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China high quality 36V 350W Jiangsu Changzhou Conversion Kit Safeway Electric Bike with Rear Drive Motor near me manufacturer

Product Description

36V 350W ZheJiang HangZhou conversion kit safeway electric bike with Rear Drive motor

1 Product Specification

Electric Specification		Bodywork Specification
Motor Type	Rear Drive	Frame	Aluminum Alloy 6061#
Motor Power	36V350W	Tyres	26″*1.95inch KENDA
Working Style	PAS & Throttle,1:1 with 0-5 Level	Rim	Alloy Single Wall
Controller	36V15A	Brake	F/R: Disc brake
Display	LCD display	Brake Lever	Cut-off while braking
Light	F: LED light QD139-2	Front Fork	Steel, / Seat post: Steel
Battery	Lithium battery Samung 36V10.4AH	Derailleur	Shimano 7 speed tourney
Charger	50-60HZ, AC90-240V	Other	Trumb Throttle
Performance		Business Item
Max Speed	25-28km/h	Available Colors	Black,white, silver, red, etc
Range	35-45KM	Body Size
Max Loading	100KG	Packing Size	1550280870
Climbing	20%	N.W / G.W	28kgs/38kgs
Charge Time	5-6H / Cricle Life > 600times	Container Load

2 Company information
HangZhou Merry Gold Machinary Co.,ltd, is a manufacturer and trader specialized in machinery and electronics products such as ebike electric bicycle. We mainly offer motors, electric bicycles,electric vehicles and its spare parts, bicycle and its spare parts etc. We have exported our electric bikes and its rated products to over 60 countries in the world, especially in US, Canada, Mexico, France, Spain, Italy, Germany, Australia, New Zealand, Russia, North Europe etc All of our products can comply with international quality standards and are greatly meeting in a variety of markets around the world. For example, we have EN15194 European certificate, CE certificate and EEC certificate. These certificates ensure us can enter into any country. We can also provide OEMand ODM service if you need. We are located in HangZhou city, ZheJiang province, which is about 150km from ZheJiang city. If you are interested in any of our products or discuss a customized order, please feel free to contact us and kindly get back your comments to us. We are sure any of your feedback will get our prompt attention & reply. We are looking forward to establishing successful business relationships with clients all over the world.

3 packaging and shipping
We fold electric bicycle and wrap them with foamed plastic films and pack them in cartons
The electric bikes ordered by our clients can be shipped by sea, air and train.

4 Our service

1. OEM Manufacturing Welcome: product, package, etc…
2. Sample Order
3. All inquiries will be replied in 24 hours
4. After the sending,we will track the shipment for you each 2 days until it arrives. When you got the electric bicycle, please test them and give us a feedback. if you have any question, please contact us. we will offer the solve way for you.

5 Certificates

6 FAQ

Q1. What is your terms of packing?
A: Generally,electric bicycle is packed with foam protection and foam block inside, cartons outside. If you have any legally registered
patent, we can pack the electric bicycle in your branded boxed after getting your authorization letters.

Q2. What is your terms of payment?
A: T/T 30% as deposit, and 70% before delivery. We’ll show you the photos of electric bicycle and packages before you pay the balance.

Q3. What is your terms of delivery?
A: EXW, FOB, CFR, CIF, DDU.

Q4. How about your delivery time?
A: Generally, it will take 30-60 days after the receipt of deposit payment. If there are materials stocked for this style, then it
takes around 15-30 days.

Q5. Can you produce according to the samples?
A: Yes, the production can be arranged depending on your samples or technical drawings. We can build the molds and fixtures.

Q6. What is your sample policy?
A: The samples can be supplied if there are ready parts in stock, and the client will cover the sample and courier cost.

Q7. Do you test all of your electric bike bicycle before delivery?
A: Yes, the goods are all 100% test and inspected before delivery.

Q8. How do you make our business long-term and good relationships?
A: 1. We keep quality and competitive price to ensure our clients’ benefit;
2. We respect every customer as our friend and we sincerely do business no matter where they come from.

What Are Screw Shaft Threads?

A screw shaft is a threaded part used to fasten other components. The threads on a screw shaft are often described by their Coefficient of Friction, which describes how much friction is present between the mating surfaces. This article discusses these characteristics as well as the Material and Helix angle. You’ll have a better understanding of your screw shaft’s threads after reading this article. Here are some examples. Once you understand these details, you’ll be able to select the best screw nut for your needs.
screwshaft

Coefficient of friction between the mating surfaces of a nut and a screw shaft

There are 2 types of friction coefficients. Dynamic friction and static friction. The latter refers to the amount of friction a nut has to resist an opposing motion. In addition to the material strength, a higher coefficient of friction can cause stick-slip. This can lead to intermittent running behavior and loud squeaking. Stick-slip may lead to a malfunctioning plain bearing. Rough shafts can be used to improve this condition.
The 2 types of friction coefficients are related to the applied force. When applying force, the applied force must equal the nut’s pitch diameter. When the screw shaft is tightened, the force may be removed. In the case of a loosening clamp, the applied force is smaller than the bolt’s pitch diameter. Therefore, the higher the property class of the bolt, the lower the coefficient of friction.
In most cases, the screwface coefficient of friction is lower than the nut face. This is because of zinc plating on the joint surface. Moreover, power screws are commonly used in the aerospace industry. Whether or not they are power screws, they are typically made of carbon steel, alloy steel, or stainless steel. They are often used in conjunction with bronze or plastic nuts, which are preferred in higher-duty applications. These screws often require no holding brakes and are extremely easy to use in many applications.
The coefficient of friction between the mating surfaces of t-screws is highly dependent on the material of the screw and the nut. For example, screws with internal lubricated plastic nuts use bearing-grade bronze nuts. These nuts are usually used on carbon steel screws, but can be used with stainless steel screws. In addition to this, they are easy to clean.

Helix angle

In most applications, the helix angle of a screw shaft is an important factor for torque calculation. There are 2 types of helix angle: right and left hand. The right hand screw is usually smaller than the left hand one. The left hand screw is larger than the right hand screw. However, there are some exceptions to the rule. A left hand screw may have a greater helix angle than a right hand screw.
A screw’s helix angle is the angle formed by the helix and the axial line. Although the helix angle is not usually changed, it can have a significant effect on the processing of the screw and the amount of material conveyed. These changes are more common in 2 stage and special mixing screws, and metering screws. These measurements are crucial for determining the helix angle. In most cases, the lead angle is the correct angle when the screw shaft has the right helix angle.
High helix screws have large leads, sometimes up to 6 times the screw diameter. These screws reduce the screw diameter, mass, and inertia, allowing for higher speed and precision. High helix screws are also low-rotation, so they minimize vibrations and audible noises. But the right helix angle is important in any application. You must carefully choose the right type of screw for the job at hand.
If you choose a screw gear that has a helix angle other than parallel, you should select a thrust bearing with a correspondingly large center distance. In the case of a screw gear, a 45-degree helix angle is most common. A helix angle greater than zero degrees is also acceptable. Mixing up helix angles is beneficial because it allows for a variety of center distances and unique applications.
screwshaft

Thread angle

The thread angle of a screw shaft is measured from the base of the head of the screw to the top of the screw’s thread. In America, the standard screw thread angle is 60 degrees. The standard thread angle was not widely adopted until the early twentieth century. A committee was established by the Franklin Institute in 1864 to study screw threads. The committee recommended the Sellers thread, which was modified into the United States Standard Thread. The standardized thread was adopted by the United States Navy in 1868 and was recommended for construction by the Master Car Builders’ Association in 1871.
Generally speaking, the major diameter of a screw’s threads is the outside diameter. The major diameter of a nut is not directly measured, but can be determined with go/no-go gauges. It is necessary to understand the major and minor diameters in relation to each other in order to determine a screw’s thread angle. Once this is known, the next step is to determine how much of a pitch is necessary to ensure a screw’s proper function.
Helix angle and thread angle are 2 different types of angles that affect screw efficiency. For a lead screw, the helix angle is the angle between the helix of the thread and the line perpendicular to the axis of rotation. A lead screw has a greater helix angle than a helical one, but has higher frictional losses. A high-quality lead screw requires a higher torque to rotate. Thread angle and lead angle are complementary angles, but each screw has its own specific advantages.
Screw pitch and TPI have little to do with tolerances, craftsmanship, quality, or cost, but rather the size of a screw’s thread relative to its diameter. Compared to a standard screw, the fine and coarse threads are easier to tighten. The coarser thread is deeper, which results in lower torques. If a screw fails because of torsional shear, it is likely to be a result of a small minor diameter.

Material

Screws have a variety of different sizes, shapes, and materials. They are typically machined on CNC machines and lathes. Each type is used for different purposes. The size and material of a screw shaft are influenced by how it will be used. The following sections give an overview of the main types of screw shafts. Each 1 is designed to perform a specific function. If you have questions about a specific type, contact your local machine shop.
Lead screws are cheaper than ball screws and are used in light-duty, intermittent applications. Lead screws, however, have poor efficiency and are not recommended for continuous power transmission. But, they are effective in vertical applications and are more compact. Lead screws are typically used as a kinematic pair with a ball screw. Some types of lead screws also have self-locking properties. Because they have a low coefficient of friction, they have a compact design and very few parts.
Screws are made of a variety of metals and alloys. Steel is an economical and durable material, but there are also alloy steel and stainless steel types. Bronze nuts are the most common and are often used in higher-duty applications. Plastic nuts provide low-friction, which helps reduce the drive torques. Stainless steel screws are also used in high-performance applications, and may be made of titanium. The materials used to create screw shafts vary, but they all have their specific functions.
Screws are used in a wide range of applications, from industrial and consumer products to transportation equipment. They are used in many different industries, and the materials they’re made of can determine their life. The life of a screw depends on the load that it bears, the design of its internal structure, lubrication, and machining processes. When choosing screw assemblies, look for a screw made from the highest quality steels possible. Usually, the materials are very clean, so they’re a great choice for a screw. However, the presence of imperfections may cause a normal fatigue failure.
screwshaft

Self-locking features

Screws are known to be self-locking by nature. The mechanism for this feature is based on several factors, such as the pitch angle of the threads, material pairing, lubrication, and heating. This feature is only possible if the shaft is subjected to conditions that are not likely to cause the threads to loosen on their own. The self-locking ability of a screw depends on several factors, including the pitch angle of the thread flank and the coefficient of sliding friction between the 2 materials.
One of the most common uses of screws is in a screw top container lid, corkscrew, threaded pipe joint, vise, C-clamp, and screw jack. Other applications of screw shafts include transferring power, but these are often intermittent and low-power operations. Screws are also used to move material in Archimedes’ screw, auger earth drill, screw conveyor, and micrometer.
A common self-locking feature for a screw is the presence of a lead screw. A screw with a low PV value is safe to operate, but a screw with high PV will need a lower rotation speed. Another example is a self-locking screw that does not require lubrication. The PV value is also dependent on the material of the screw’s construction, as well as its lubrication conditions. Finally, a screw’s end fixity – the way the screw is supported – affects the performance and efficiency of a screw.
Lead screws are less expensive and easier to manufacture. They are a good choice for light-weight and intermittent applications. These screws also have self-locking capabilities. They can be self-tightened and require less torque for driving than other types. The advantage of lead screws is their small size and minimal number of parts. They are highly efficient in vertical and intermittent applications. They are not as accurate as lead screws and often have backlash, which is caused by insufficient threads.

China high quality 36V 350W Jiangsu Changzhou Conversion Kit Safeway Electric Bike with Rear Drive Motor near me manufacturer

China Standard New Arrival Fatbike 20″ X4.0 Rear Drive Motor Mountain E Bike 48V 500W/1000W Electric Fat Tire Bike with Great quality

Product Description

Features

1.500W integrated wheel motor (marked as 250W)with water proof connector

2.Disc brake for both

3.48V 13AH Lithium Battery(Sumsung cells)
4.K-Meter LCD display
5.LED light for front

6.Front fork: MOZO hydraulic suspension fork with lock

7.7 speed CZPT gear shift

Frame		Aluminum alloy frame
Motor		500W
Battery		48V 13AH Lithium battery
Display		LCD display
Light		LED light for front
Tire		20”×4.0 Kenda Tire
Brake		Disc brake for both
Front Fork		Aluminum alloy with hydraulic suspension
Derailleurs		7 speed CZPT gear shift
Max speed		25km/h-32km/h
Driving distance		Approx 45-70km
Loading capacity		150KGS
G.W		40KGS
Packing size		160×27×85cm
Container loads		80pcs/20’GP; 165pcs/40’HQ

1.K-Meter LCD display

speed indocator, battery indicator, HangZhouage indicator.

Aluminum alloy handle bar

2.Make a safe cycling

LED light with higher brightness ,energy conservation and environment protection, low consumption

3.BMS system keep your battery safe from over-charging,over outlet and high temperature.And the battery is convinent to removable.
1. Warranty policy

a.)     For main electronic parts, charger, controller and battery, we provide 6 months warranty.
b.)     For motor, we provide 12 months warranty.
c.)     For frame, handlebar, stem and wheel rim we provide 2 years warranty.

1.1 The following conditions, not including in warranty policy
a.)     Any damages caused by human factor.
b.)     Dismounting any parts without professional technical people.
c.)     Use other parts in our electric bike or scooter.
d.)     Damages caused by traffic accident and other accident.
e.)     The problem caused by overloading.

2. Technical support

a.)     We provide “electric circuit diagram” for each model.
b.)     We can train customer’s 1 or 2 technical workers for free.
c.)     When oversea customers meet serious problem, they can not work out by technican, we will dispatch engineer to customer’s company to give help.

FAQ

1. Can I order sample?
Answer: Yes, we accept sample for trial order?

2. How long for delivery time?
Answer: For sample order, our delivery time is 20 to 30days; for 1 full container, it’s 25 to 45days.

3. Which colores will be available?
Answer: Normally, we will introduce the most popular colores to customers. At the same time, we are CZPT to make colores according to customer’s demands.

4. Can I use my logo(sticker) on the electric bike?
Answer: Yes, we can make customer’s logo(sticker) on the electric bike for 1 full container order.

5. How to delivery to foreign buyer?
Answer: For sample order, the customer can select by sea or by air. For full container order, by sea is the best choice.

6. Need I assemble parts of the electric bike when we get them?
Answer: Yes, we will take out few parts, like pedals(if have), mirrors(if have), front wheel, front fender, and rear trunk(if have) before package. Our workers will put these parts in electric bike cartons. And will send 1 professional tool bag to help you assemble. It’s easy to make it.

7. Can I mix different models in 1 full container order?
Answer: Yes, we accept different models in 1 full container.

8. Need I buy spare parts for first order?
Answer: Yes, you need to buy some spare parts for future service. The quantity depends on your electric bike order. We will give you advice when you need.

Our service
1. OEM Manufacturing welcome: Product, Package…
2. Sample order
3. We will reply you for your inquiry in 24 hours.
4. After sending, we will track the products for you once every 2 days, until you get the products. When you got the goods, test them, and give me a feedback.If you have any questions about the problem, contact with us, we will offer the solve way for you.

Certifications

Company Profile

Packaging & Shipping

FAQ

Lead Screws and Clamp Style Collars

If you have a lead screw, you’re probably interested in learning about the Acme thread on this type of shaft. You might also be interested in finding out about the Clamp style collars and Ball screw nut. But before you buy a new screw, make sure you understand what the terminology means. Here are some examples of screw shafts:

Acme thread

The standard ACME thread on a screw shaft is made of a metal that is resistant to corrosion and wear. It is used in a variety of applications. An Acme thread is available in a variety of sizes and styles. General purpose Acme threads are not designed to handle external radial loads and are supported by a shaft bearing and linear guide. Their design is intended to minimize the risk of flank wedging, which can cause friction forces and wear. The Centralizing Acme thread standard caters to applications without radial support and allows the thread to come into contact before its flanks are exposed to radial loads.
The ACME thread was first developed in 1894 for machine tools. While the acme lead screw is still the most popular screw in the US, European machines use the Trapezoidal Thread (Metric Acme). The acme thread is a stronger and more resilient alternative to square threads. It is also easier to cut than square threads and can be cut by using a single-point threading die.
Similarly to the internal threads, the metric versions of Acme are similar to their American counterparts. The only difference is that the metric threads are generally wider and are used more frequently in industrial settings. However, the metric-based screw threads are more common than their American counterparts worldwide. In addition, the Acme thread on screw shafts is used most often on external gears. But there is still a small minority of screw shafts that are made with a metric thread.
ACME screws provide a variety of advantages to users, including self-lubrication and reduced wear and tear. They are also ideal for vertical applications, where a reduced frictional force is required. In addition, ACME screws are highly resistant to back-drive and minimize the risk of backlash. Furthermore, they can be easily checked with readily available thread gauges. So, if you’re looking for a quality ACME screw for your next industrial project, look no further than ACME.
screwshaft

Lead screw coatings

The properties of lead screw materials affect their efficiency. These materials have high anti-corrosion, thermal resistance, and self-lubrication properties, which eliminates the need for lubrication. These coating materials include polytetrafluoroethylene (PFE), polyether ether ketone (PEK), and Vespel. Other desirable properties include high tensile strength, corrosion resistance, and rigidity.
The most common materials for lead screws are carbon steel, stainless steel, and aluminum. Lead screw coatings can be PTFE-based to withstand harsh environments and remove oil and grease. In addition to preventing corrosion, lead screw coatings improve the life of polymer parts. Lead screw assembly manufacturers offer a variety of customization options for their lead screw, including custom-molded nuts, thread forms, and nut bodies.
Lead screws are typically measured in rpm, or revolutions per minute. The PV curve represents the inverse relationship between contact surface pressure and sliding velocity. This value is affected by the material used in the construction of the screw, lubrication conditions, and end fixity. The critical speed of lead screws is determined by their length and minor diameter. End fixity refers to the support for the screw and affects its rigidity and critical speed.
The primary purpose of lead screws is to enable smooth movement. To achieve this, lead screws are usually preloaded with axial load, enabling consistent contact between a screw’s filets and nuts. Lead screws are often used in linear motion control systems and feature a large area of sliding contact between male and female threads. Lead screws can be manually operated or mortised and are available in a variety of sizes and materials. The materials used for lead screws include stainless steel and bronze, which are often protected by a PTFE type coating.
These screws are made of various materials, including stainless steel, bronze, and various plastics. They are also made to meet specific requirements for environmental conditions. In addition to lead screws, they can be made of stainless steel, aluminum, and carbon steel. Surface coatings can improve the screw’s corrosion resistance, while making it more wear resistant in tough environments. A screw that is coated with PTFE will maintain its anti-corrosion properties even in tough environments.
screwshaft

Clamp style collars

The screw shaft clamp style collar is a basic machine component, which is attached to the shaft via multiple screws. These collars act as mechanical stops, load bearing faces, or load transfer points. Their simple design makes them easy to install. This article will discuss the pros and cons of this style of collar. Let’s look at what you need to know before choosing a screw shaft clamp style collar. Here are some things to keep in mind.
Clamp-style shaft collars are a versatile mounting option for shafts. They have a recessed screw that fully engages the thread for secure locking. Screw shaft clamp collars come in different styles and can be used in both drive and power transmission applications. Listed below are the main differences between these 2 styles of collars. They are compatible with all types of shafts and are able to handle axial loads of up to 5500 pounds.
Clamp-style shaft collars are designed to prevent the screw from accidentally damaging the shaft when tightened. They can be tightened with a set screw to counteract the initial clamping force and prevent the shaft from coming loose. However, when tightening the screw, you should use a torque wrench. Using a set screw to tighten a screw shaft collar can cause it to warp and reduce the surface area that contacts the shaft.
Another key advantage to Clamp-style shaft collars is that they are easy to install. Clamp-style collars are available in one-piece and two-piece designs. These collars lock around the shaft and are easy to remove and install. They are ideal for virtually any shaft and can be installed without removing any components. This type of collar is also recommended for those who work on machines with sensitive components. However, be aware that the higher the OD, the more difficult it is to install and remove the collar.
Screw shaft clamp style collars are usually one-piece. A two-piece collar is easier to install than a one-piece one. The two-piece collars provide a more effective clamping force, as they use the full seating torque. Two-piece collars have the added benefit of being easy to install because they require no tools to install. You can disassemble one-piece collars before installing a two-piece collar.
screwshaft

Ball screw nut

The proper installation of a ball screw nut requires that the nut be installed on the center of the screw shaft. The return tubes of the ball nut must be oriented upward so that the ball nut will not overtravel. The adjusting nut must be tightened against a spacer or spring washer, then the nut is placed on the screw shaft. The nut should be rotated several times in both directions to ensure that it is centered.
Ball screw nuts are typically manufactured with a wide range of preloads. Large preloads are used to increase the rigidity of a ball screw assembly and prevent backlash, the lost motion caused by a clearance between the ball and nut. Using a large amount of preload can lead to excessive heat generation. The most common preload for ball screw nuts is 1 to 3%. This is usually more than enough to prevent backlash, but a higher preload will increase torque requirements.
The diameter of a ball screw is measured from its center, called the ball circle diameter. This diameter represents the distance a ball will travel during 1 rotation of the screw shaft. A smaller diameter means that there are fewer balls to carry the load. Larger leads mean longer travels per revolution and higher speeds. However, this type of screw cannot carry a greater load capacity. Increasing the length of the ball nut is not practical, due to manufacturing constraints.
The most important component of a ball screw is a ball bearing. This prevents excessive friction between the ball and the nut, which is common in lead-screw and nut combinations. Some ball screws feature preloaded balls, which avoid “wiggle” between the nut and the ball. This is particularly desirable in applications with rapidly changing loads. When this is not possible, the ball screw will experience significant backlash.
A ball screw nut can be either single or multiple circuits. Single or multiple-circuit ball nuts can be configured with 1 or 2 independent closed paths. Multi-circuit ball nuts have 2 or more circuits, making them more suitable for heavier loads. Depending on the application, a ball screw nut can be used for small clearance assemblies and compact sizes. In some cases, end caps and deflectors may be used to feed the balls back to their original position.

China Standard New Arrival Fatbike 20

China Good quality Shuagnye 26 Inch MID Drive Electric Bike 250W Motor 7 Speed near me factory

Product Description

Shuagnye 26 inch mid drive electric bike 250w motor 7 speed

Detail Image

Motor
Different with hub motor, 350w mid dirve CZPT motor is not built into the wheel, but is usually mounted near the bottom of bike frame. Thus the propulsion is provided at the pedals rather than at the wheel, being eventually applied to the wheel via the bike’s drive train. Because the power is applied through the chain and sprocket, the mid drive electric bike use 250 watts or 350 watts motor power, which can better to protect against fast wear on the drivetrain.

Display
Equipped with a mid drive motor CZPT LCD display and a three-button control element. The large display panel informs about all important driving data like speed, support level, driving distance, battery status and time. The up and down buttons can adjust Pedal-Assist Level(from 0 to 5). The front light can be switched on at night or in bad weather.

Headlight
A 3W bright front LED light for night riding to ensure your riding safety, and equipped with a mobile phone charging port for your phone on low battery power.

Brake
To make ensure each rider have a comfortable and security cycling condition, we use a pair of aluminum alloy brake lever and 160 mechanical disc brake system on each mid drive ebike. Both of them can stop the bicycle front wheel or rear wheel easily when rider press the aluminum alloy lever.

Battery
This mid drive ebike use hidden battery design which is in the bike frame, and was allowed 36V 10AH lithium battery. And on a sigle full charging, this mid drive ebike’s HangZhouage range can get 25-30 HangZhous under E-bike mode and 50-60 HangZhous under Pedal-Assisted mode. Combine 2 modes, help you cycling easily and faster than normal bike. And its removable function make you take out the battery easily to charge at any place where have sockets. And Its charging time is 5-7 hours.

Specification

Model	A6AH26MD
Motor	250w/350w CZPT mid drive motor
PAS	1:1 intelligent pedal assistant system/only pedal assistant
Battery	36V10AH hidden lithium battery
Range	1:1 PAS mode,40-60KM
Controller	Intelligent brushless 36V
Charger	AC100V-240V,42V2A
Charging time	6-8 hours
Max speed	25-30km/h
Loading	100-120kg
Frame	Aluminum alloy
Tyre	26″1.95/27.5″1.95
Rim	Aluminum alloy Rim or Double Rim
Front fork	Aluminum alloy suspension
Front brake	160 mechanical disc brake
Rear brake	160 mechanical disc brake
Derailleur	7 gears
Handle bar	Aluminum alloy
Brake lever	Aluminum,cut-off when braking
Chain	Rust resistant chain
Saddle	Comfortable saddle
Pedal	Aluminum alloy
Front light	3W LED light with USB charging port
warranty	(Battery,motor,controller,charger) 1 year Battery first year capacity > 80%,second year capacity >65%

FAQ
1. What’s the minimum ebike order MOQ?
MOQ 10pc
2. How long is delivery time?
2 days to 30 days, depend on model and quantity
3. Can I order spare parts?
Yes, we have all parts list available for our models
4. How about warranty ?
alloy frame 36 months, motor 24 months, lithium battery 12 months, controller 12 months.
5. Is sample available?
Yes, sample order is acceptable, but there will be extra cost.
6. Can i choose the colors ?
Yes, there would be extra cost.
7. What certificate do you have for electric bicycle?
Every electric bicycle has CE/EN15194 certificate for EU
8. Could I use my own LOGO or design on goods?
Yes. When order quantity is big, you can use your own LOGO or your language manual etc.

Company information
As professional manufacturer engaged in the research, development, production, sale and service,we are committed to manufacturing electric bike, electric bike lithium battery, charger, lithium battery BMS and electric bike controller.

1. Good knowledge on different market can meet special requirements.

2. Real manufacturer with our own factory located in HangZhou,ZheJiang ,China

3. Strong professional technical team ensure to produce the top quality electric bike.

4. Special cost control system ensure to provide the most favorable price.

5. Rich experience on manufacture field with 14 years’ product electric bike battery.

Our service
our company HangZhou shuangye produce electric bike,ebike kit,ebike battery more than 8 years.
enjoy high repution in our industries.
the more about us you can visit our website: http://zhsydz
or leave a message for us,we will reply you in first time.

Axle Spindle Types and Installation

Are you looking for a new axle spindle for your vehicle? If so, you’ve come to the right place. Learn more about their types, functions, and installation. After reading this article, you’ll be well on your way to finding your new axle spindle. Axle spindles are essential to your vehicle. There are several types and each has unique characteristics. Here’s how to choose the best 1 for your car.

Dimensions

Axle spindle dimensions are crucial for safe wheel support. This component experiences significant stress and load during bearing mounting and must provide sufficient strength. The axle spindle can be hot-forged or shaped to include an integral shoulder. The shape of the bearing stop region must be abruptly transitioned from a straight to a curved configuration. Dimensions of axle spindle vary with different materials, manufacturing techniques, and applications.
The bearing surfaces of the axle spindle are 1.376 inches across, while the bearing spacer is 1.061 inch across. The axle spindle is 1.376 inches long and includes a cotter pin and nut. Typical axle spindle dimensions are listed below. Some axles may have additional components to reduce their weight, while others may not have any. The number of axles and bearings is also important to consider when determining the dimensions of the axle.
The outside shape of the axle spindle 40 is similar to that of the prior art spindle 10. The outer wheel bearing region 44 is cylindrical with a diameter D 1 and an inner wheel bearing region 46. An axially-separating transition region 48 separates the inner bearing region 46 from the outer wheel bearing region 44. It is important to note that the internal diameter is generally slightly larger than the outer wheel bearing region 46.
Axle spindles can be integrally formed or welded to the housing or central beam. They can also be designed differently depending on the intended function. For example, the trailer axle spindle may have a circular or rectangular cross section. Once again, axle spindles are important for safety and longevity, so it is important to know their dimensions. You can also check online for the dimensions of axle spindles.
Driveshaft

Function

Axle spindles are crucial components of a vehicle’s suspension system. They enable a vehicle to move forward, turn, brake, and accelerate. The axle also supports the wheel bearings. In addition to supporting the wheel hub, the axle spindle connects the arms of each wheel to the chassis. This piece is also known as a steering knuckle. The axle spindle’s job is to provide sufficient strength to support the axle.
The functional elements of an axle spindle are cylindrical and have a transition region and an outer surface with an irregular pattern. They have a first and a second diameter, and are shaped to form the spindle’s beam portion and spindle region. The transition region forms a pivotal connection between the axle and the suspension. It also provides the connection between the axle and the trailer. It allows a vehicle to rotate without causing excessive vibrations.
Axle spindles can be circular in structure and are similar to those of the prior art. They support wheel hub configurations. The first end of a spindle is threaded, while the second end is open. The outer wheel bearing region has an outer surface with a diameter D1, while the inner wheel bearing region 46 has a cylindrical outer surface with a diameter D2. The transition region separates the spindle from the rest of the axle.
The spindle nut retains the wheel hub on the spindle, whereas the spindle nut holds the hub assembly in place. A spindle nut retains the wheel on the spindle. A hub cap protects the locking nut assembly and lubrication area. A hub cap is also a common component of the axle. The hub cap also provides a protective shield for the spindle nut.
Steering axle spindles do not extend to the right of the oil seal. They extend from the steering kunckle, which is pivotally joined to the steering axle beam. Despite the differences in bearing seals, wheel hub mounting means, and brake assemblies, the basic spindle configuration is the same. A spindle consists of 2 axially separated bearing regions, 1 with a larger diameter than the other, with a bearing stop adjacent to the inner bearing region.
Driveshaft

Types

The axle is the basic unit of an automobile, and it includes several components. Among these are bearings, axle housings, and wheel hubs. Bearings and axle housings take on all of the radial loads placed on them during operation. As a result, they are necessary to ensure that a vehicle is able to function at its optimum level. But if you’re not sure what these components are, they can make all the difference in your ride.
Axle type depends on a number of factors, including the amount of force produced. In some cases, the vehicle already has pre-designed axles that come in standard formats, but in other cases, a customer can order a custom-made axle for the specific needs of his vehicle. Customized axles give the vehicle operator greater control over the speed and torque of the wheels. To choose the correct axle type for your vehicle, it’s helpful to know the measurements of the axle.
Axle gear sets and lubrication passages are also different. Reverse-cut gears can’t be used in place of standard cut gears, and vice-versa. The 2 types of axle are compatible, but the spline count of the differential case must match that of the axle. It’s important to remember that a different type of axle may work with a different type of machine tool.
Different axle spindle materials have their own advantages and disadvantages. Some are more durable than others, depending on their load capacity. Disc brake hubs and axle spindles are similar to the non-braking ones, but include a rotor and a caliper yoke. The yoke design on the rotor or caliper spindle is specific for each rotor.
Bearing-type axles are the most durable. They transfer the weight of the vehicle to the axle casing. The axle housing is retained by a flange bolted to the hub, and the axle bearings are secured on the spindle by a large nut. Alternatively, axles with bearings are supported solely on the axle spindle and don’t require a hub. Floating axles are typically better for long-term operation, but may be a limited choice for vehicles.
Driveshaft

Installation

Axle spindle installation involves tightening the axle spindle nut to retain the spacer and bearing cones in position. When properly tightened, the axle spindle nut provides the clamp force required to compress the bearing spacer and bearing cone. Preloading is an important part of axle spindle installation because it optimizes bearing life by limiting the tolerance range of end play. Here are some tips on axle spindle installation.
To start the process, you should remove the axle spindle from the vehicle. If the old spindle is not a bolt-on type, a technician will need to cut the weld that holds the axle spindle in place. Then, he or she would need to thread the new spindle back into place. The axle tube must be threaded to accept the new spindle. Once the axle spindle is properly installed, the technician will need to tighten it to the specified torque.
Once the axle spindle is installed, the technician will continue tightening the nut assembly. To ensure a tight grip, the technician will rotate the outer washer while adjusting the torque level on the axle spindle nut. If the nut is not correctly torqued, it may loosen the axle spindle. In addition, improper torque can cause excessive inboard pressure on the outer nut, which can result in over or under-compression of the bearing cone.
The second axle spindle includes an inboard bearing 54 and an outboard bearing 56. The inboard bearing has an inboard surface that abuts the shoulder 26 of the axle spindle. The outboard bearing 57 is mounted on the axle spindle near its outboard end. A bearing spacer 58 is positioned between the inboard and outboard bearings. The spacer and bearing cone group comprises the bearing cones 54 and 56.
Proper alignment of the new spindle is essential for a secure fit. Taking your trailer to a licensed repair facility for a trailer spindle installation is a good idea, as a poorly installed axle can result in improper wheel tracking and premature tire wear. A licensed trailer repair facility can do this for you without much difficulty. This way, you won’t waste your time or frustration on a DIY trailer axle replacement.

China Good quality Shuagnye 26 Inch MID Drive Electric Bike 250W Motor 7 Speed near me factory

China Standard Factory Supply Integrate Frame 28 Inch E Bike CZPT Rear Drive Motor City Road Ebike Electric Electrical Electronic Rickshaw Dirt Ebikes wholesaler

Product Description

Electric System
Motor	250w – 750w rear drive hub motor
Battery	Samsung, 8.8Ah – 17.5Ah lithium battery
Controller	14-18A Integrated controller
Display	LED / LCD display
Charger	110-240v AC 50-60HZ, 2A CE / UL Applied
PAS	Speed / Torque sensor
Throttle	Thumb / twist throttle

Main Components
Frame	6161 Aluminum Alloy, 20-29 inch
Front Fork	Aluminum alloy suspension fork, adjustable with lock.
Rims	Double wall, aluminum alloy, 36H*13G
Tires	HangZhou / CZPT / Kenda tire
Brake	Front&Rear disc brake
Speed Gears	Shimano 7 speed
Light	Front LED light with horn
Rear Derailleur	Shimano 7 speed
Saddle	Comfortable Saddle
Pedal	Foldable pedal
Stem	Aluminum alloy
Brake Levers	HangZhoung brake levels, with cut-off function
Crankset	Aluminum, 42T – 52T
Fenders	Full covered,Alloy / steel / plastic fenders
Rear Rack	Rear alloy carrier optional

Performance
Max Speed	42-45km/h
Travel Distance	30km by Throttle, 40-60km by PAS
Loading Capacity	120kg
Charging Time & Life	4-6 Hours, >900 Cycles
N.W./G.W.	28KG/32KG
Carton size	160X26X80CM
Container Loading	80pcs/20ft; 190pcs/40HQ

Features

1.500W hub motor(Marked as 250w) with water proof connector

2.Disc brake for both
3.48V 13A Lithium Battery(Samsung cells)
4.LCD display
5.LED Light for Front&Rear battery light
6.PAS& Throttle

Soft and comfortable saddle
Rear carrier max loading is 150kgs

LED front light with higher brightness

Make a safer cycling
Hidden battery more convenient to charging

1. Warranty policy

a.)     For main electronic parts, charger, controller and battery, we provide 6 months warranty.
b.)     For motor, we provide 12 months warranty.
c.)     For frame, handlebar, stem and wheel rim we provide 2 years warranty.

1.1 The following conditions, not including in warranty policy
a.)     Any damages caused by human factor.
b.)     Dismounting any parts without professional technical people.
c.)     Use other parts in our electric bike or scooter.
d.)     Damages caused by traffic accident and other accident.
e.)     The problem caused by overloading.

2. Technical support

a.)     We provide “electric circuit diagram” for each model.
b.)     We can train customer’s 1 or 2 technical workers for free.
c.)     When oversea customers meet serious problem, they can not work out by technican, we will dispatch engineer to customer’s company to give help.

FAQ

1. Can I order sample?
Answer: Yes, we accept sample for trial order?

2. How long for delivery time?
Answer: For sample order, our delivery time is 20 to 30days; for 1 full container, it’s 25 to 45days.

3. Which colores will be available?
Answer: Normally, we will introduce the most popular colores to customers. At the same time, we are CZPT to make colores according to customer’s demands.

4. Can I use my logo(sticker) on the electric bike?
Answer: Yes, we can make customer’s logo(sticker) on the electric bike for 1 full container order.

5. How to delivery to foreign buyer?
Answer: For sample order, the customer can select by sea or by air. For full container order, by sea is the best choice.

6. Need I assemble parts of the electric bike when we get them?
Answer: Yes, we will take out few parts, like pedals(if have), mirrors(if have), front wheel, front fender, and rear trunk(if have) before package. Our workers will put these parts in electric bike cartons. And will send 1 professional tool bag to help you assemble. It’s easy to make it.

7. Can I mix different models in 1 full container order?
Answer: Yes, we accept different models in 1 full container.

8. Need I buy spare parts for first order?
Answer: Yes, you need to buy some spare parts for future service. The quantity depends on your electric bike order. We will give you advice when you need.

Certifications

Company Profile

Packaging & Shipping

FAQ

What Are Screw Shaft Threads?

Coefficient of friction between the mating surfaces of a nut and a screw shaft

Helix angle

Thread angle

Material

Self-locking features

China Standard Factory Supply Integrate Frame 28 Inch E Bike CZPT Rear Drive Motor City Road Ebike Electric Electrical Electronic Rickshaw Dirt Ebikes wholesaler

China Best Sales BBS01 36V 250W 350W CZPT 8fun BBS02 48V 500W 750W MID Drive Motor Electric Bike Conversion Kit with Best Sales

Product Description

bafang 8fun bbs01 250w 350w bbs02 500w 750w central motor kit

With an integrated speed sensor, this mid-drive motor which is compatible with a 68/100/110/120mm bottom bracket has a rated power of 250w,350w,500w and 750w. a reduction ratio of 1:21.9 and a maximum torque of 160N.m, will provide the rider with great explosive force when starting the system. Hightly strong and efficient, this motor greatly enhances riding joy and is suitable for mountain bikes and sand bikes, which are the favorites of riders who love challenges as well as transport bikes.

Buyers Show

Product Parameters

Motor Power	36V 250W 350W 48v 500W 750W mid motor
Wheel diameter	optional
Max Torque	80 N.M
Efficiency	>= 80
Pedal sensor	Speed sensor
Color	Black
Operating Temperature	-20 degree to 45 degree
Mangnet poles	8
Ip (waterproof)	IP65
Bottom Bracket	68mm /100mm/110mm/120mm for choosing
Controller	inside the motor
Certification	CE / EN 14764 / ROHS

Detailed Photos

Packing List

1.bafang bbshd mid crank motor(controller inside)

2.C965 LCD display or DPC-14 /DPC-18 colour display for choosing

3.chain wheel

4.crank

5.speed sensor and magnet

6.brake lever

7.thumb throttle

8. Nuts

1.Packing:
Standard export carton packing, with professional foam protection.
2.Shipping:
For samples, we deliver goods to customer by UPS,FEDEX,DHL,TNT or EMS.
For mass production order, we deliver goods to customer by air or by sea.

36V 11.6ah Frear Racktype Battery

Company Profile

CNEBIKES Co., Ltd is located in HangZhou city ,ZheJiang ,China. We are just 1 hour from ZheJiang by high-speed train . It is easy for potential customers to come and have a look at our facility and products. We manufacture a variety of products . Our products are reliable and durable. We export to Europe, the USA, Canada, Southeast Asia, Australia and many other countries . Our customers have given us high praise for our products and service.

Warranty terms

motor—>2 years(guarantee replacement in first year, guarantee repair in the next year.)
battery—->1years(guarantee replacement.),
other parts—->half an year

The Functions of Splined Shaft Bearings

Splined shafts are the most common types of bearings for machine tools. They are made of a wide variety of materials, including metals and non-metals such as Delrin and nylon. They are often fabricated to reduce deflection. The tooth profile will become deformed with time, as the shaft is used over a long period of time. Splined shafts are available in a huge range of materials and lengths.

Functions

Splined shafts are used in a variety of applications and industries. They are an effective anti-rotational device, as well as a reliable means of transmitting torque. Other types of shafts are available, including key shafts, but splines are the most convenient for transmitting torque. The following article discusses the functions of splines and why they are a superior choice. Listed below are a few examples of applications and industries in which splines are used.
Splined shafts can be of several styles, depending on the application and mechanical system in question. The differences between splined shaft styles include the design of teeth, overall strength, transfer of rotational concentricity, sliding ability, and misalignment tolerance. Listed below are a few examples of splines, as well as some of their benefits. The difference between these styles is not mutually exclusive; instead, each style has a distinct set of pros and cons.
A splined shaft is a cylindrical shaft with teeth or ridges that correspond to a specific angular position. This allows a shaft to transfer torque while maintaining angular correspondence between tracks. A splined shaft is defined as a cylindrical member with several grooves cut into its circumference. These grooves are equally spaced around the shaft and form a series of projecting keys. These features give the shaft a rounded appearance and allow it to fit perfectly into a grooved cylindrical member.
While the most common applications of splines are for shortening or extending shafts, they can also be used to secure mechanical assemblies. An “involute spline” spline has a groove that is wider than its counterparts. The result is that a splined shaft will resist separation during operation. They are an ideal choice for applications where deflection is an issue.
A spline shaft’s radial torsion load distribution is equally distributed, unless a bevel gear is used. The radial torsion load is evenly distributed and will not exert significant load concentration. If the spline couplings are not aligned correctly, the spline connection can fail quickly, causing significant fretting fatigue and wear. A couple of papers discuss this issue in more detail.
splineshaft

Types

There are many different types of splined shafts. Each type features an evenly spaced helix of grooves on its outer surface. These grooves are either parallel or involute. Their shape allows them to be paired with gears and interchange rotary and linear motion. Splines are often cold-rolled or cut. The latter has increased strength compared to cut spines. These types of shafts are commonly used in applications requiring high strength, accuracy, and smoothness.
Another difference between internal and external splined shafts lies in the manufacturing process. The former is made of wood, while the latter is made of steel or a metal alloy. The process of manufacturing splined shafts involves cutting furrows into the surface of the material. Both processes are expensive and require expert skill. The main advantage of splined shafts is their adaptability to a wide range of applications.
In general, splined shafts are used in machinery where the rotation is transferred to an internal splined member. This member can be a gear or some other rotary device. These types of shafts are often packaged together as a hub assembly. Cleaning and lubricating are essential to the life of these components. If you’re using them on a daily basis, you’ll want to make sure to regularly inspect them.
Crowned splines are usually involute. The teeth of these splines form a spiral pattern. They are used for smaller diameter shafts because they add strength. Involute splines are also used on instrument drives and valve shafts. Serration standards are found in the SAE. Both kinds of splines can also contain a ball bearing for high torque. The difference between the 2 types of splines is the number of teeth on the shaft.
Internal splines have many advantages over external ones. For example, an internal spline shaft can be made using a grinding wheel instead of a CNC machine. It also uses a more accurate and economical process. Furthermore, it allows for a shorter manufacturing cycle, which is essential when splining high-speed machines. In addition, it stabilizes the relative phase between the spline and thread.
splineshaft

Manufacturing methods

There are several methods used to fabricate a splined shaft. Key and splined shafts are constructed from 2 separate parts that are shaped in a synchronized manner to transfer torque uniformly. Hot rolling is 1 method, while cold rolling utilizes low temperatures to form metal. Both methods enhance mechanical properties, surface finishes, and precision. The advantage of cold rolling is its cost-effectiveness.
Cold forming is 1 method, as well as machining and assembling. Cold forming is a unique process that allows the spline to be shaped to the desired shape. The resulting shape provides maximum contact area and torsional strength. Standard splines are available in standard sizes, but custom lengths can also be ordered. CZPT offers various auxiliary equipment, such as mating sleeves and flanged bushings.
Cold forging is another method. This method produces long splined shafts that are used in automobile propellers. After the spline portion is cut out, it is worked on in a hobbing machine. Work hardening enhances the root strength of the splined portion. It can be used for bearings, gears, and other mechanical components. Listed below are the manufacturing methods for splined shafts.
Parallel splines are the simplest of the splined shaft manufacturing methods. Parallel splines are usually welded to shafts, while involute splines are made of metal or non-metals. Splines are available in a wide variety of lengths and materials. The process is usually accompanied by a process called milling. The workpiece rotates to produce the serrated surface.
Splines are internal or external grooves in a splined shaft. They work in combination with keyways to transfer torque. Male and female splines are used in gears. Female and male splines correspond to 1 another to ensure proper angular correspondence. Involute splines have more surface area and thus are stronger than external splines. Moreover, they help the shaft fit into a grooved cylindrical member without misalignment.
A variety of other methods of manufacturing a splined shaft can be used to produce a splined shaft. Spline shafts can be produced using broaching and shaping, 2 precision machining methods. Broaching uses a metal tool with successively larger teeth to remove metal and create ridges and holes in the surface of a material. However, this process is expensive and requires special expertise.
splineshaft

Applications

The splined shaft is a mechanical component with a helix-like shape formed by the equal spacing of grooves in a circular ring. The splines can either have parallel or involute sides. The splines minimize stress concentration in stationary joints and can be used in both rotary and linear motion. In some cases, splines are rolled rather than cut. The latter is more durable than cut splines and is often used in applications requiring high strength, accuracy, and smooth finish.
Splined shafts are commonly made of carbon steel. This alloy steel has a low carbon content, making it easy to work with. Carbon steel is a great choice for splines because it is malleable. Generally, high-quality carbon steel provides a consistent motion. Steel alloys are also available that contain nickel, chromium, copper, and other metals. If you’re unsure of the right material for your application, you can consult a spline chart.
Splines are a versatile mechanical component. They are easy to cut and fit. Splines can be internal or external, with teeth positioned at equal intervals on both sides of the shaft. This allows the shaft to engage with the hub around the entire circumference of the hub. It also increases load capacity by creating a constant multiple-tooth point of contact with the hub. For this reason, they’re used extensively in rotary and linear motion.
Splined shafts are used in a wide variety of industries. CZPT Inc. offers custom and standard splined shafts for a variety of applications. When choosing a splined shaft for a specific application, consider the surrounding mated components, torque requirements, and size requirements. These 3 factors will make it the ideal choice for your rotary equipment. And you’ll be pleased with the end result!
There are many types of splines and their applications are endless. They transfer torque and angular misalignment between parts, and they also enable the axial rotation of assembled components. Therefore, splines are an essential component of machinery and are used in a wide range of applications. This type of shaft can be found in various types of machines, from household appliances to industrial machinery. So, the next time you’re looking for a splined shaft, make sure you look for a splined one.

China Best Sales BBS01 36V 250W 350W CZPT 8fun BBS02 48V 500W 750W MID Drive Motor Electric Bike Conversion Kit with Best Sales

China Hot selling 48V/1000W Electric Bike Motor Kit MID Drive Motor Engine Kit with high quality

Product Description

supplier CZPT 162988663

Packaging and Delivery
Packaging Details: standard package of electric bicycle
Delivery Time: 7-15days after payment

Our Company
We at CZPT are a dedicated team with many years of combined experiences in the field of electric bicycles. Our product line covers various electric bikes, electric bike conversion kits, and relative parts for electric bicycles.
We are located in HangZhou city ,ZheJiang ,China. We are just 1 hour from ZheJiang by high-speed train .
Our factory is certified by CE, SGS, CCC, EEC and other related certifications. Our products are reliable and durable. We export to Europe, the USA, Canada, Southeast Asia, Australia and many other countries . At CZPT we always pay close attention to good customerservice and a logical service.

FAQ:
Q: What is the electric bike conversion kit?
A: The kit is designed to transform your standard bicycle(manual pedal power)to an electric-powered by a motor and battery pack.

Q: Will the conversion kit fit my bicycle?
A: The conversion was designed to fit 90% of the bicycles, and you can check your bicycle fork(the 2 metal pieces that attach the wheel to the bicycle) to be sure. You will need at least 100mm for front wheel and 135mm for rear wheel.

Q: If my bicycle meet your standard, how can I choose to install front wheel or rear wheel motor?
A: A front hub kit is normally much easier to install than a rear wheel kit since you don’t have to worry about gearing or derailers. When riding, the rider can easily see the front wheel and respond quickly to problems such as wheel spinning.
Rear wheel drive has the advantage of better traction which is great for hills and inclines. And because the rear frame dropouts are normally stronger than the front fork dropouts, a rear wheel can handle more torque and increased power.

Q: How fast will it go?
A: The speed would be decided by the motor power, controller and battery spec. According to different countries rules, we provide 25km/h for EU and AU market, provide 30km/h for other market.

Q: How far can I go on 1 charge?
This varies depending on usage, your specification will affect the your battery performance and life. And mostly of the battery have a cycle life of more than 700charges.

Q: Do I have to pedal to assist the motor?
A: There are 2 kinds of modes available, throttle controller and pedal assist.
Throttle controller means you use a throttle to control power and speed. To get started, simply twist the throttle to accelerate and hold it to maintain speed.
Pedal assist means once you start peHangZhoung, a torque sensor picks up your movement and power integrates seamlessly while you ride. Just pedal and go. Once you use the brakes or quit peHangZhoung, the power is deactivated and you need to pedal again (lightly) to re-activate pedal assistance.

Q: How long does it take to recharge the battery?
A: usually it takes 4-6 hours.

Q. When should I recharge batteries?
A. The battery can be charged after every ride. We do recommend that every 20th charge that you run the battery flat and give it a full charge.

Q: How should I store my battery?
A: Store in cool dry place, you should fully charge your battery before storing it.

Q: How can I get the best battery performance and range?
A: Pedal while the motor is on, start the motor after the bike is moving, use the motor mainly to climb hills, and don’t use the motor while you are going downhill.

Why Checking the Drive Shaft is Important

If you hear clicking noises while driving, your driveshaft may need repair. An experienced mechanic can tell if the noise is coming from 1 side or both sides. This problem is usually related to the torque converter. Read on to learn why it’s so important to have your driveshaft inspected by an auto mechanic. Here are some symptoms to look for. Clicking noises can be caused by many different things. You should first check if the noise is coming from the front or the rear of the vehicle.

hollow drive shaft

Hollow driveshafts have many benefits. They are light and reduce the overall weight of the vehicle. The largest manufacturer of these components in the world is CZPT. They also offer lightweight solutions for various applications, such as high-performance axles. CZPT driveshafts are manufactured using state-of-the-art technology. They offer excellent quality at competitive prices.
The inner diameter of the hollow shaft reduces the magnitude of the internal forces, thereby reducing the amount of torque transmitted. Unlike solid shafts, hollow shafts are getting stronger. The material inside the hollow shaft is slightly lighter, which further reduces its weight and overall torque. However, this also increases its drag at high speeds. This means that in many applications hollow driveshafts are not as efficient as solid driveshafts.
A conventional hollow drive shaft consists of a first rod 14 and a second rod 14 on both sides. The first rod is connected with the second rod, and the second rod extends in the rotation direction. The 2 rods are then friction welded to the central area of the hollow shaft. The frictional heat generated during the relative rotation helps to connect the 2 parts. Hollow drive shafts can be used in internal combustion engines and environmentally-friendly vehicles.
The main advantage of a hollow driveshaft is weight reduction. The splines of the hollow drive shaft can be designed to be smaller than the outside diameter of the hollow shaft, which can significantly reduce weight. Hollow shafts are also less likely to jam compared to solid shafts. Hollow driveshafts are expected to eventually occupy the world market for automotive driveshafts. Its advantages include fuel efficiency and greater flexibility compared to solid prop shafts.

Cardan shaft

Cardan shafts are a popular choice in industrial machinery. They are used to transmit power from 1 machine to another and are available in a variety of sizes and shapes. They are available in a variety of materials, including steel, copper, and aluminum. If you plan to install 1 of these shafts, it is important to know the different types of Cardan shafts available. To find the best option, browse the catalog.
Telescopic or “Cardan” prop shafts, also known as U-joints, are ideal for efficient torque transfer between the drive and output system. They are efficient, lightweight, and energy-efficient. They employ advanced methods, including finite element modeling (FEM), to ensure maximum performance, weight, and efficiency. Additionally, the Cardan shaft has an adjustable length for easy repositioning.
Another popular choice for driveshafts is the Cardan shaft, also known as a driveshaft. The purpose of the driveshaft is to transfer torque from the engine to the wheels. They are typically used in high-performance car engines. Some types are made of brass, iron, or steel and have unique surface designs. Cardan shafts are available in inclined and parallel configurations.
Single Cardan shafts are a common replacement for standard Cardan shafts, but if you are looking for dual Cardan shafts for your vehicle, you will want to choose the 1310 series. This type is great for lifted jeeps and requires a CV-compatible transfer case. Some even require axle spacers. The dual Cardan shafts are also designed for lifts, which means it’s a good choice for raising and lowering jeeps.

universal joint

Cardan joints are a good choice for drive shafts when operating at a constant speed. Their design allows a constant angular velocity ratio between the input and output shafts. Depending on the application, the recommended speed limit may vary depending on the operating angle, transmission power, and application. These recommendations must be based on pressure. The maximum permissible speed of the drive shaft is determined by determining the angular acceleration.
Because gimbal joints don’t require grease, they can last a long time but eventually fail. If they are poorly lubricated or dry, they can cause metal-to-metal contact. The same is true for U-joints that do not have oil filling capability. While they have a long lifespan, it can be difficult to spot warning signs that could indicate impending joint failure. To avoid this, check the drive shaft regularly.
U-joints should not exceed 70 percent of their lateral critical velocity. However, if this speed is exceeded, the part will experience unacceptable vibration, reducing its useful life. To determine the best U-joint for your application, please contact your universal joint supplier. Typically, lower speeds do not require balancing. In these cases, you should consider using a larger pitch diameter to reduce axial force.
To minimize the angular velocity and torque of the output shaft, the 2 joints must be in phase. Therefore, the output shaft angular displacement does not completely follow the input shaft. Instead, it will lead or lag. Figure 3 illustrates the angular velocity variation and peak displacement lead of the gimbal. The ratios are shown below. The correct torque for this application is 1360 in-Ibs.

Refurbished drive shaft

Refurbished driveshafts are a good choice for a number of reasons. They are cheaper than brand new alternatives and generally just as reliable. Driveshafts are essential to the function of any car, truck, or bus. These parts are made of hollow metal tubes. While this helps reduce weight and expense, it is vulnerable to external influences. If this happens, it may crack or bend. If the shaft suffers this type of damage, it can cause serious damage to the transmission.
A car’s driveshaft is a critical component that transmits torque from the engine to the wheels. A1 Drive Shaft is a global supplier of automotive driveshafts and related components. Their factory has the capability to refurbish and repair almost any make or model of driveshafts. Refurbished driveshafts are available for every make and model of vehicle. They can be found on the market for a variety of vehicles, including passenger cars, trucks, vans, and SUVs.
Unusual noises indicate that your driveshaft needs to be replaced. Worn U-joints and bushings can cause excessive vibration. These components cause wear on other parts of the drivetrain. If you notice any of these symptoms, please take your vehicle to the AAMCO Bay Area Center for a thorough inspection. If you suspect damage to the driveshaft, don’t wait another minute – it can be very dangerous.

The cost of replacing the drive shaft

The cost of replacing a driveshaft varies, but on average, this repair costs between $200 and $1,500. While this price may vary by vehicle, the cost of parts and labor is generally equal. If you do the repair yourself, you should know how much the parts and labor will cost before you start work. Some parts can be more expensive than others, so it’s a good idea to compare the cost of several locations before deciding where to go.
If you notice any of these symptoms, you should seek a repair shop immediately. If you are still not sure if the driveshaft is damaged, do not drive the car any distance until it is repaired. Symptoms to look for include lack of power, difficulty moving the car, squeaking, clanking, or vibrating when the vehicle is moving.
Parts used in drive shafts include center support bearings, slip joints, and U-joints. The price of the driveshaft varies by vehicle and may vary by model of the same year. Also, different types of driveshafts require different repair methods and are much more expensive. Overall, though, a driveshaft replacement costs between $300 and $1,300. The process may take about an hour, depending on the vehicle model.
Several factors can lead to the need to replace the drive shaft, including bearing corrosion, damaged seals, or other components. In some cases, the U-joint indicates that the drive shaft needs to be replaced. Even if the bearings and u-joints are in good condition, they will eventually break and require the replacement of the drive shaft. However, these parts are not cheap, and if a damaged driveshaft is a symptom of a bigger problem, you should take the time to replace the shaft.

This entry was posted in Product Catalog and tagged bike electric motor, bike motor, bike with motor, china motor, electric bike mid motor, electric bike motor, electric bike motor kit, electric drive motor, electric motor, electric motor electric motor, electric motor kit, engine motor, engine motor kit, kit motor, mid drive motor, motor, motor bike, motor bike electric, motor bike kit, motor drive, motor electric, motor electric bike kit, motor engine, motor kit, motor kit electric bike, motor motor on June 28, 2022 by ep.

China Best Sales E Bike with MID Drive System CZPT G510 Center Motor 27.5inch Mountain Electric Bike near me shop

Product Description

Main Features

250w-1000w geared brushless motor 8FUN, SOF, MXUS brand

36v/48v lithium battery, rear rack battery

OEM options of frame and wheel colors

Main Components

AMS-TDE-14B other options

Motor: 36v350W rear hub motor 48V 350W/500W/750w/1000w

Battery: 36V10Ah Lithium battery 48v 11.6Ah or much more powerful

Display : LED 790 LCD functional display

Brake system Disc Brake Hydraulic brake

PAS: 1:1 intelligent PAS systerm

Charger: 110~240V, 50-60Hz, Plug according to final market requirement

Brake lever: Cheap option and TEKTRO brand

Wheel: 26″x4.0 W/O wholes

Controller: 36V/48V smart controller

Fork: suspension fork

Optional Components

F/R Light LED

Throttle: Thumb or Twist throttle

Color: shinning black/mat black/white/black/orange/blue/green/any other specilized

Seat post: suspension

Packing

G.W. 36 kgs

N.W: 32 kgs

Carton size: 156*38*80 CM

Container QTY: 60pcs/20’GP, 120pcs/40’GP

Company Information

HangZhou Aimos Technology Co.,Ltd, located in HangZhou City, ZheJiang Province,one hour hi-speed
train from ZheJiang and HangZhou.
The company is engaged in export kinds of electric products and techniques of Electric Bikes , electric
bike kits, and electric scooters, and so on.

Our Services

1. Our products are targeted for the overseas demanding market, and we have a strong sense of
   responsibility for the quality, we consider quality as our life.

2. We choose good suppliers to work together; the main fittings are mostly from Japan, ZheJiang
    and other top suppliers.

3. We carry on periodic training to our staffs, in order to enhance their consciousness of quality.

4. All the components should be checked carefully before assembling, thus, we can make sure that
    the broken or deficient components will not be fixed to the electric bikes.

5. Each electric bikes will be strictly inspected before packing and shipping out to insure that the
    could be satisfied with you.

6. We always try to improve the quality of our products, meanwhile we pay much attention to our
     customer service, we will provide a certain amount of free spare part to you when you
     place a quantity order, quality problems will be solved at the first time when you come across it.

FAQ

1. Q: Can I get some samples?
    A:we offer sample for quality check. Considering electric bike as big item with certern value,we don’t
       offer free sample and transportation fee is not contained in sample price .

2. Q: Do you have the products in stock?
    A: we do have product in stock for demestic sale,it may not suit your demand.

3. Q: What’s the delivery time?
    A: It usually takes about 15-25 working days
   But the exact delivery time might be different for different orders or at different time.Once we
         confirmed all detail of order, we’ll put all source into it.

4. Q: Can I mix different models in 1 container?
    A: Yes, different models can be mixed in 1 container.

5. Q: Should we pay the high taxes?
    A:  We can make a low-value invoice to help you clearing Customs and avoid the taxes.

6. Q:Do you accept Paypal ?
    A: Yes, we accept Paypal. Besides, we offer bank transfer and Western Union.

7. Q:Why choose you?
    A:Strong quality controll : We test and check all the parts before on produce line
       Check and test esch unit when it ready.

8.Q:When you on the line for service
A: We ussally on the line at 8:30am to 5:30pm ZheJiang time. Otherwise,
     We also can do service for you after the working time.

9.Q:Are you a factory or a import and export company?
   A:We are a manufacture ,So as a professional manufacture we not only can supply the bike we
       have, We also can design for you if you have the draft

Drive shaft type

The driveshaft transfers torque from the engine to the wheels and is responsible for the smooth running of the vehicle. Its design had to compensate for differences in length and angle. It must also ensure perfect synchronization between its joints. The drive shaft should be made of high-grade materials to achieve the best balance of stiffness and elasticity. There are 3 main types of drive shafts. These include: end yokes, tube yokes and tapered shafts.

tube yoke

Tube yokes are shaft assemblies that use metallic materials as the main structural component. The yoke includes a uniform, substantially uniform wall thickness, a first end and an axially extending second end. The first diameter of the drive shaft is greater than the second diameter, and the yoke further includes a pair of opposing lugs extending from the second end. These lugs have holes at the ends for attaching the axle to the vehicle.
By retrofitting the driveshaft tube end into a tube fork with seat. This valve seat transmits torque to the driveshaft tube. The fillet weld 28 enhances the torque transfer capability of the tube yoke. The yoke is usually made of aluminum alloy or metal material. It is also used to connect the drive shaft to the yoke. Various designs are possible.
The QU40866 tube yoke is used with an external snap ring type universal joint. It has a cup diameter of 1-3/16″ and an overall width of 4½”. U-bolt kits are another option. It has threaded legs and locks to help secure the yoke to the drive shaft. Some performance cars and off-road vehicles use U-bolts. Yokes must be machined to accept U-bolts, and U-bolt kits are often the preferred accessory.
The end yoke is the mechanical part that connects the drive shaft to the stub shaft. These yokes are usually designed for specific drivetrain components and can be customized to your needs. Pat’s drivetrain offers OEM replacement and custom flanged yokes.
If your tractor uses PTO components, the cross and bearing kit is the perfect tool to make the connection. Additionally, cross and bearing kits help you match the correct yoke to the shaft. When choosing a yoke, be sure to measure the outside diameter of the U-joint cap and the inside diameter of the yoke ears. After taking the measurements, consult the cross and bearing identification drawings to make sure they match.
While tube yokes are usually easy to replace, the best results come from a qualified machine shop. Dedicated driveshaft specialists can assemble and balance finished driveshafts. If you are unsure of a particular aspect, please refer to the TM3000 Driveshaft and Cardan Joint Service Manual for more information. You can also consult an excerpt from the TSB3510 manual for information on angle, vibration and runout.
The sliding fork is another important part of the drive shaft. It can bend over rough terrain, allowing the U-joint to keep spinning in tougher conditions. If the slip yoke fails, you will not be able to drive and will clang. You need to replace it as soon as possible to avoid any dangerous driving conditions. So if you notice any dings, be sure to check the yoke.
If you detect any vibrations, the drivetrain may need adjustment. It’s a simple process. First, rotate the driveshaft until you find the correct alignment between the tube yoke and the sliding yoke of the rear differential. If there is no noticeable vibration, you can wait for a while to resolve the problem. Keep in mind that it may be convenient to postpone repairs temporarily, but it may cause bigger problems later.

end yoke

If your driveshaft requires a new end yoke, CZPT has several drivetrain options. Our automotive end yoke inventory includes keyed and non-keyed options. If you need tapered or straight holes, we can also make them for you.
A U-bolt is an industrial fastener that has U-shaped threads on its legs. They are often used to join 2 heads back to back. These are convenient options to help keep drivetrain components in place when driving over rough terrain, and are generally compatible with a variety of models. U-bolts require a specially machined yoke to accept them, so be sure to order the correct size.
The sliding fork helps transfer power from the transfer case to the driveshaft. They slide in and out of the transfer case, allowing the u-joint to rotate. Sliding yokes or “slips” can be purchased separately. Whether you need a new 1 or just a few components to upgrade your driveshaft, 4 CZPT Parts will have the parts you need to repair your vehicle.
The end yoke is a necessary part of the drive shaft. It connects the drive train and the mating flange. They are also used in auxiliary power equipment. CZPT’s drivetrains are stocked with a variety of flanged yokes for OEM applications and custom builds. You can also find flanged yokes for constant velocity joints in our extensive inventory. If you don’t want to modify your existing drivetrain, we can even make a custom yoke for you.

This entry was posted in Product Catalog and tagged bike electric motor, bike motor, bike with motor, china motor, e motor, e-bike motor, electric bike mid motor, electric bike motor, electric drive motor, electric motor, electric motor electric motor, mid drive e bike motor, mid drive motor, motor, motor bike, motor bike electric, motor drive, motor e bike, motor electric, motor motor on June 28, 2022 by ep.

China Hot selling 48V/17.5ah Li-ion Battery Electric Mountain Bike with Suspension Fork 1000W CZPT Motor Ebike with Best Sales

Product Description

2571 Lohas HI-END fat tire electric bike with 1000w mid drive motor

Specification

Electric system Main components

Motor 1000w CZPT mid drive motor G510 Frame 6061 aluminium alloy.

Tyres 26″ ×4.0 Kenda

Battery 48V 11.6Ah CZPT battery Rim Al alloy double wall and CNC side wall.

Front fork RST Xihu (West Lake) Dis.  with Suspenion and Lockout

Front brake Tektro Hydraulic Disc Brake

PAS TORQUE SENSOR Rear brake Tektro Hydraulic Disc Brake

Controller intelligent bruhsless.12 month warranty Speed gears SHIMANO Acera 8 speeds gear

Charger AC 100V -240V 2amps smart charger Rear derailleur SHIMANO

Charging time:4-6hours 12 month warranty Stem al alloy

Performance Brake lever With power off switch.Tektro

Max speed 45km/h (USA & Canada). Chain KMC Rust resistant chain.

Range 40-60km per charge Chain wheel al alloy crank.

Saddle mountain style saddle. SR

Max load 120kgs Rear suspension A5 rear shock absorber

Net weight 29.50kgs Lighting front LED

Gross weight 32.0kgs Pedal Mountain style pedal .

Container load 96pcs/20ft container Packing size 165*27*77cm

More details

Acera 8 speed gear

Rear Shock Absorber

1000w CZPT mid drive G510

Bafang DCP 18 display

8 speed gear shifter

RST XIHU (WEST LAKE) DIS. suspension fork

Company Information

LOHAS VEHICLE  is an electric bicycle factory which is located in HangZhou city, ZHangZhoug Province which is near ZheJiang and HangZhou . High speed train straight  to arrive to our company.

We have more than 10years OEM experience, supported by top Technical Team and excellent Sales Team.

After developing the new electric bicycle,Staff in  our company keep riding the bikes for commuter everyday ,to test the stability ,also to improve the model from every aspect.

FAQ

1. What’s the minimum order MOQ?

Our MOQ is 15pcs(30 pcs is required for special model )

2. What is the production and delivery time?

Production time is from 15 to 50days. Depending on the models.

3. Can I order a sample?

Yes. we will send a sample to you by shipping or DHL/TNT, but you must pay the sample and shipping or DHL/TNT fee.

4. How about warranty ?

alloy frame 3 years , motor 1 years, lithium battery 2 years, controller 1 years.

5. Could I use my own LOGO or design on goods?

Yes. When order quantity is big, you can use your own LOGO or your language manual etc,

6. Does company accept EURO ?

Yes. We also have EURO account, not only USD.

7. What is the payment terms?

We accept T/T, L/C, DP, DA , OA, West Union

8. How can I go to the factory ?

our  factory is located in HangZhou city, ZHangZhoug province, China.

It is 1.5 hours by air from HangZhou;  2 hours by D-train from Shangha to HangZhou ;

9. Can we mix the 20ft/40ft/40HQ container?

Yes, you can mix it , you can mix 2-5 models in a 20FCL container for Alloy Electric bicycle

Guide to Drive Shafts and U-Joints

If you’re concerned about the performance of your car’s driveshaft, you’re not alone. Many car owners are unaware of the warning signs of a failed driveshaft, but knowing what to look for can help you avoid costly repairs. Here is a brief guide on drive shafts, U-joints and maintenance intervals. Listed below are key points to consider before replacing a vehicle driveshaft.

Symptoms of Driveshaft Failure

Identifying a faulty driveshaft is easy if you’ve ever heard a strange noise from under your car. These sounds are caused by worn U-joints and bearings supporting the drive shaft. When they fail, the drive shafts stop rotating properly, creating a clanking or squeaking sound. When this happens, you may hear noise from the side of the steering wheel or floor.
In addition to noise, a faulty driveshaft can cause your car to swerve in tight corners. It can also lead to suspended bindings that limit overall control. Therefore, you should have these symptoms checked by a mechanic as soon as you notice them. If you notice any of the symptoms above, your next step should be to tow your vehicle to a mechanic. To avoid extra trouble, make sure you’ve taken precautions by checking your car’s oil level.
In addition to these symptoms, you should also look for any noise from the drive shaft. The first thing to look for is the squeak. This was caused by severe damage to the U-joint attached to the drive shaft. In addition to noise, you should also look for rust on the bearing cap seals. In extreme cases, your car can even shudder when accelerating.
Vibration while driving can be an early warning sign of a driveshaft failure. Vibration can be due to worn bushings, stuck sliding yokes, or even springs or bent yokes. Excessive torque can be caused by a worn center bearing or a damaged U-joint. The vehicle may make unusual noises in the chassis system.
If you notice these signs, it’s time to take your car to a mechanic. You should check regularly, especially heavy vehicles. If you’re not sure what’s causing the noise, check your car’s transmission, engine, and rear differential. If you suspect that a driveshaft needs to be replaced, a certified mechanic can replace the driveshaft in your car.

Drive shaft type

Driveshafts are used in many different types of vehicles. These include four-wheel drive, front-engine rear-wheel drive, motorcycles and boats. Each type of drive shaft has its own purpose. Below is an overview of the 3 most common types of drive shafts:
The driveshaft is a circular, elongated shaft that transmits torque from the engine to the wheels. Drive shafts often contain many joints to compensate for changes in length or angle. Some drive shafts also include connecting shafts and internal constant velocity joints. Some also include torsional dampers, spline joints, and even prismatic joints. The most important thing about the driveshaft is that it plays a vital role in transmitting torque from the engine to the wheels.
The drive shaft needs to be both light and strong to move torque. While steel is the most commonly used material for automotive driveshafts, other materials such as aluminum, composites, and carbon fiber are also commonly used. It all depends on the purpose and size of the vehicle. Precision Manufacturing is a good source for OEM products and OEM driveshafts. So when you’re looking for a new driveshaft, keep these factors in mind when buying.
Cardan joints are another common drive shaft. A universal joint, also known as a U-joint, is a flexible coupling that allows 1 shaft to drive the other at an angle. This type of drive shaft allows power to be transmitted while the angle of the other shaft is constantly changing. While a gimbal is a good option, it’s not a perfect solution for all applications.
CZPT, Inc. has state-of-the-art machinery to service all types of drive shafts, from small cars to race cars. They serve a variety of needs, including racing, industry and agriculture. Whether you need a new drive shaft or a simple adjustment, the staff at CZPT can meet all your needs. You’ll be back on the road soon!

U-joint

If your car yoke or u-joint shows signs of wear, it’s time to replace them. The easiest way to replace them is to follow the steps below. Use a large flathead screwdriver to test. If you feel any movement, the U-joint is faulty. Also, inspect the bearing caps for damage or rust. If you can’t find the u-joint wrench, try checking with a flashlight.
When inspecting U-joints, make sure they are properly lubricated and lubricated. If the joint is dry or poorly lubricated, it can quickly fail and cause your car to squeak while driving. Another sign that a joint is about to fail is a sudden, excessive whine. Check your u-joints every year or so to make sure they are in proper working order.
Whether your u-joint is sealed or lubricated will depend on the make and model of your vehicle. When your vehicle is off-road, you need to install lubricable U-joints for durability and longevity. A new driveshaft or derailleur will cost more than a U-joint. Also, if you don’t have a good understanding of how to replace them, you may need to do some transmission work on your vehicle.
When replacing the U-joint on the drive shaft, be sure to choose an OEM replacement whenever possible. While you can easily repair or replace the original head, if the u-joint is not lubricated, you may need to replace it. A damaged gimbal joint can cause problems with your car’s transmission or other critical components. Replacing your car’s U-joint early can ensure its long-term performance.
Another option is to use 2 CV joints on the drive shaft. Using multiple CV joints on the drive shaft helps you in situations where alignment is difficult or operating angles do not match. This type of driveshaft joint is more expensive and complex than a U-joint. The disadvantages of using multiple CV joints are additional length, weight, and reduced operating angle. There are many reasons to use a U-joint on a drive shaft.

maintenance interval

Checking U-joints and slip joints is a critical part of routine maintenance. Most vehicles are equipped with lube fittings on the driveshaft slip joint, which should be checked and lubricated at every oil change. CZPT technicians are well-versed in axles and can easily identify a bad U-joint based on the sound of acceleration or shifting. If not repaired properly, the drive shaft can fall off, requiring expensive repairs.
Oil filters and oil changes are other parts of a vehicle’s mechanical system. To prevent rust, the oil in these parts must be replaced. The same goes for transmission. Your vehicle’s driveshaft should be inspected at least every 60,000 miles. The vehicle’s transmission and clutch should also be checked for wear. Other components that should be checked include PCV valves, oil lines and connections, spark plugs, tire bearings, steering gearboxes and brakes.
If your vehicle has a manual transmission, it is best to have it serviced by CZPT’s East Lexington experts. These services should be performed every 2 to 4 years or every 24,000 miles. For best results, refer to the owner’s manual for recommended maintenance intervals. CZPT technicians are experienced in axles and differentials. Regular maintenance of your drivetrain will keep it in good working order.

This entry was posted in Product Catalog and tagged 1000w motor, battery motor, bike electric motor, bike motor, bike with motor, china motor, ebike motor, electric bike motor, electric motor, electric motor electric motor, motor, motor battery, motor bike, motor bike electric, motor ebike, motor electric, motor motor on June 28, 2022 by ep.

China Professional Ce Approved MID Drive Motor Mountain Electric Bike Hi-End China near me manufacturer

Product Description

2571 Lohas HI-END fat tire electric bike with 1000w mid drive motor

Specification

Electric system Main components

Motor 1000w CZPT mid drive motor G510 Frame 6061 aluminium alloy.

Tyres 26″ ×4.0 Kenda

Battery 48V 11.6Ah CZPT battery Rim Al alloy double wall and CNC side wall.

Front fork RST Xihu (West Lake) Dis.  with Suspenion and Lockout

Front brake Tektro Hydraulic Disc Brake

PAS TORQUE SENSOR Rear brake Tektro Hydraulic Disc Brake

Controller intelligent bruhsless.12 month warranty Speed gears SHIMANO Acera 8 speeds gear

Charger AC 100V -240V 2amps smart charger Rear derailleur SHIMANO

Charging time:4-6hours 12 month warranty Stem al alloy

Performance Brake lever With power off switch.Tektro

Max speed 45km/h (USA & Canada). Chain KMC Rust resistant chain.

Range 40-60km per charge Chain wheel al alloy crank.

Saddle mountain style saddle. SR

Max load 120kgs Rear suspension A5 rear shock absorber

Net weight 29.50kgs Lighting front LED

Gross weight 32.0kgs Pedal Mountain style pedal .

Container load 96pcs/20ft container Packing size 165*27*77cm

More details

Acera 8 speed gear

Rear Shock Absorber

1000w CZPT mid drive G510

Bafang DCP 18 display

8 speed gear shifter

RST XIHU (WEST LAKE) DIS. suspension fork

Company Information

LOHAS VEHICLE  is an electric bicycle factory which is located in HangZhou city, ZHangZhoug Province which is near ZheJiang and HangZhou . High speed train straight  to arrive to our company.

We have more than 10years OEM experience, supported by top Technical Team and excellent Sales Team.

After developing the new electric bicycle,Staff in  our company keep riding the bikes for commuter everyday ,to test the stability ,also to improve the model from every aspect.

FAQ

1. What’s the minimum order MOQ?

Our MOQ is 15pcs(30 pcs is required for special model )

2. What is the production and delivery time?

Production time is from 15 to 50days. Depending on the models.

3. Can I order a sample?

Yes. we will send a sample to you by shipping or DHL/TNT, but you must pay the sample and shipping or DHL/TNT fee.

4. How about warranty ?

alloy frame 3 years , motor 1 years, lithium battery 2 years, controller 1 years.

5. Could I use my own LOGO or design on goods?

Yes. When order quantity is big, you can use your own LOGO or your language manual etc,

6. Does company accept EURO ?

Yes. We also have EURO account, not only USD.

7. What is the payment terms?

We accept T/T, L/C, DP, DA , OA, West Union

8. How can I go to the factory ?

our  factory is located in HangZhou city, ZHangZhoug province, China.

It is 1.5 hours by air from HangZhou;  2 hours by D-train from Shangha to HangZhou ;

9. Can we mix the 20ft/40ft/40HQ container?

Yes, you can mix it , you can mix 2-5 models in a 20FCL container for Alloy Electric bicycle

What is a drive shaft?

If you notice a clicking noise while driving, it is most likely the driveshaft. An experienced auto mechanic will be able to tell you if the noise is coming from both sides or from 1 side. If it only happens on 1 side, you should check it. If you notice noise on both sides, you should contact a mechanic. In either case, a replacement driveshaft should be easy to find.

The drive shaft is a mechanical part

A driveshaft is a mechanical device that transmits rotation and torque from the engine to the wheels of the vehicle. This component is essential to the operation of any driveline, as the mechanical power from the engine is transmitted to the PTO (power take-off) shaft, which hydraulically transmits that power to connected equipment. Different drive shafts contain different combinations of joints to compensate for changes in shaft length and angle. Some types of drive shafts include connecting shafts, internal constant velocity joints, and external fixed joints. They also contain anti-lock system rings and torsional dampers to prevent overloading the axle or causing the wheels to lock.
Although driveshafts are relatively light, they need to handle a lot of torque. Torque applied to the drive shaft produces torsional and shear stresses. Because they have to withstand torque, these shafts are designed to be lightweight and have little inertia or weight. Therefore, they usually have a joint, coupling or rod between the 2 parts. Components can also be bent to accommodate changes in the distance between them.
The drive shaft can be made from a variety of materials. The most common material for these components is steel, although alloy steels are often used for high-strength applications. Alloy steel, chromium or vanadium are other materials that can be used. The type of material used depends on the application and size of the component. In many cases, metal driveshafts are the most durable and cheapest option. Plastic shafts are used for light duty applications and have different torque levels than metal shafts.

It transfers power from the engine to the wheels

A car’s powertrain consists of an electric motor, transmission, and differential. Each section performs a specific job. In a rear-wheel drive vehicle, the power generated by the engine is transmitted to the rear tires. This arrangement improves braking and handling. The differential controls how much power each wheel receives. The torque of the engine is transferred to the wheels according to its speed.
The transmission transfers power from the engine to the wheels. It is also called “transgender”. Its job is to ensure power is delivered to the wheels. Electric cars cannot drive themselves and require a gearbox to drive forward. It also controls how much power reaches the wheels at any given moment. The transmission is the last part of the power transmission chain. Despite its many names, the transmission is the most complex component of a car’s powertrain.
The driveshaft is a long steel tube that transmits mechanical power from the transmission to the wheels. Cardan joints connect to the drive shaft and provide flexible pivot points. The differential assembly is mounted on the drive shaft, allowing the wheels to turn at different speeds. The differential allows the wheels to turn at different speeds and is very important when cornering. Axles are also important to the performance of the car.

It has a rubber boot that protects it from dust and moisture

To keep this boot in good condition, you should clean it with cold water and a rag. Never place it in the dryer or in direct sunlight. Heat can deteriorate the rubber and cause it to shrink or crack. To prolong the life of your rubber boots, apply rubber conditioner to them regularly. Indigenous peoples in the Amazon region collect latex sap from the bark of rubber trees. Then they put their feet on the fire to solidify the sap.

it has a U-shaped connector

The drive shaft has a U-joint that transfers rotational energy from the engine to the axle. Defective gimbal joints can cause vibrations when the vehicle is in motion. This vibration is often mistaken for a wheel balance problem. Wheel balance problems can cause the vehicle to vibrate while driving, while a U-joint failure can cause the vehicle to vibrate when decelerating and accelerating, and stop when the vehicle is stopped.
The drive shaft is connected to the transmission and differential using a U-joint. It allows for small changes in position between the 2 components. This prevents the differential and transmission from remaining perfectly aligned. The U-joint also allows the drive shaft to be connected unconstrained, allowing the vehicle to move. Its main purpose is to transmit electricity. Of all types of elastic couplings, U-joints are the oldest.
Your vehicle’s U-joints should be inspected at least twice a year, and the joints should be greased. When checking the U-joint, you should hear a dull sound when changing gears. A clicking sound indicates insufficient grease in the bearing. If you hear or feel vibrations when shifting gears, you may need to service the bearings to prolong their life.

it has a slide-in tube

The telescopic design is a modern alternative to traditional driveshaft designs. This innovative design is based on an unconventional design philosophy that combines advances in material science and manufacturing processes. Therefore, they are more efficient and lighter than conventional designs. Slide-in tubes are a simple and efficient design solution for any vehicle application. Here are some of its benefits. Read on to learn why this type of shaft is ideal for many applications.
The telescopic drive shaft is an important part of the traditional automobile transmission system. These driveshafts allow linear motion of the 2 components, transmitting torque and rotation throughout the vehicle’s driveline. They also absorb energy if the vehicle collides. Often referred to as foldable driveshafts, their popularity is directly dependent on the evolution of the automotive industry.

It uses a bearing press to replace worn or damaged U-joints

A bearing press is a device that uses a rotary press mechanism to install or remove worn or damaged U-joints from a drive shaft. With this tool, you can replace worn or damaged U-joints in your car with relative ease. The first step involves placing the drive shaft in the vise. Then, use the 11/16″ socket to press the other cup in far enough to install the clips. If the cups don’t fit, you can use a bearing press to remove them and repeat the process. After removing the U-joint, use a grease nipple Make sure the new grease nipple is installed correctly.
Worn or damaged U-joints are a major source of driveshaft failure. If 1 of them were damaged or damaged, the entire driveshaft could dislocate and the car would lose power. Unless you have a professional mechanic doing the repairs, you will have to replace the entire driveshaft. Fortunately, there are many ways to do this yourself.
If any of these warning signs appear on your vehicle, you should consider replacing the damaged or worn U-joint. Common symptoms of damaged U-joints include rattling or periodic squeaking when moving, rattling when shifting, wobbling when turning, or rusted oil seals. If you notice any of these symptoms, take your vehicle to a qualified mechanic for a full inspection. Neglecting to replace a worn or damaged u-joint on the driveshaft can result in expensive and dangerous repairs and can cause significant damage to your vehicle.

This entry was posted in Product Catalog and tagged bike electric motor, bike motor, china motor, electric bike mid motor, electric bike motor, electric drive motor, electric motor, electric motor electric motor, mid drive motor, motor, motor bike, motor bike electric, motor drive, motor electric, motor motor on June 28, 2022 by ep.

China supplier MID Drive System 48V Bangfang Motor Electric Bike with Best Sales

Product Description

We have kinds of options regarding the wheels size, battery packs, brake levers, tires, controllers, etc.
Motors could be 250w/350w/500w/750w/1000w/1500w/2000w/3000w
Any comments and requirements are welcome!

Main Features

250w-750w geared brushless motor 8FUN, SOF, MXUS brand

36v/48v lithium battery, Panasonic, Samsung, Sanyo

OEM options of frame and wheel colors

Main Components

AMS-TDE-08B other options

Motor: 36v350W rear hub motor 48V 350W/500W/750w

Battery: 36V10Ah Lithium battery 48v 11.6Ah much more powerful

Display : LED 790 3 level LCD 5 level display

Brake system Disc Brake Hydraulic disc brake

PAS: 1:1 intelligent PAS systerm

Charger: 110~240V, 50-60Hz, Plug according to final market requirement

Brake lever: Cheap option or TEKTRO brand

Wheel: 26″x4.0 W/O wholes

Controller: 36V/48V smart controller

Fork: suspension fork

Optional Components

F/R Light LED

Throttle: Thumb or Twist throttle

Color: shinning black/mat black/white/black/orange/blue/green/any other specilized

Seat post: suspension

Packing

G.W. 28 kgs

N.W: 35 kgs

Carton size: 156*38*80 CM

Container QTY: 60pcs/20’GP, 120pcs/40’GP

Company Information

HangZhou Aimos Technology Co.,Ltd, located in HangZhou City, ZheJiang Province,one hour hi-speed
train from ZheJiang and HangZhou.
The company is engaged in export kinds of electric products and techniques of Electric Bikes , electric
bike kits, and electric scooters, and so on.

Our Services

1. Our products are targeted for the overseas demanding market, and we have a strong sense of
   responsibility for the quality, we consider quality as our life.

2. We choose good suppliers to work together; the main fittings are mostly from Japan, ZheJiang
    and other top suppliers.

3. We carry on periodic training to our staffs, in order to enhance their consciousness of quality.

4. All the components should be checked carefully before assembling, thus, we can make sure that
    the broken or deficient components will not be fixed to the electric bikes.

5. Each electric bikes will be strictly inspected before packing and shipping out to insure that the
    could be satisfied with you.

6. We always try to improve the quality of our products, meanwhile we pay much attention to our
     customer service, we will provide a certain amount of free spare part to you when you
     place a quantity order, quality problems will be solved at the first time when you come across it.

FAQ

1. Q: Can I get some samples?
    A:we offer sample for quality check. Considering electric bike as big item with certern value,we don’t
       offer free sample and transportation fee is not contained in sample price .

2. Q: Do you have the products in stock?
    A: we do have product in stock for demestic sale,it may not suit your demand.

3. Q: What’s the delivery time?
    A: It usually takes about 15-25 working days
   But the exact delivery time might be different for different orders or at different time.Once we
         confirmed all detail of order, we’ll put all source into it.

4. Q: Can I mix different models in 1 container?
    A: Yes, different models can be mixed in 1 container.

5. Q: Should we pay the high taxes?
    A:  We can make a low-value invoice to help you clearing Customs and avoid the taxes.

6. Q:Do you accept Paypal ?
    A: Yes, we accept Paypal. Besides, we offer bank transfer and Western Union.

7. Q:Why choose you?
    A:Strong quality controll : We test and check all the parts before on produce line
       Check and test esch unit when it ready.

8.Q:When you on the line for service
A: We ussally on the line at 8:30am to 5:30pm ZheJiang time. Otherwise,
     We also can do service for you after the working time.

9.Q:Are you a factory or a import and export company?
   A:We are a manufacture ,So as a professional manufacture we not only can supply the bike we
       have, We also can design for you if you have the draft

How to Replace the Drive Shaft

Several different functions in a vehicle are critical to its functioning, but the driveshaft is probably the part that needs to be understood the most. A damaged or damaged driveshaft can damage many other auto parts. This article will explain how this component works and some of the signs that it may need repair. This article is for the average person who wants to fix their car on their own but may not be familiar with mechanical repairs or even driveshaft mechanics. You can click the link below for more information.

Repair damaged driveshafts

If you own a car, you should know that the driveshaft is an integral part of the vehicle’s driveline. They ensure efficient transmission of power from the engine to the wheels and drive. However, if your driveshaft is damaged or cracked, your vehicle will not function properly. To keep your car safe and running at peak efficiency, you should have it repaired as soon as possible. Here are some simple steps to replace the drive shaft.
First, diagnose the cause of the drive shaft damage. If your car is making unusual noises, the driveshaft may be damaged. This is because worn bushings and bearings support the drive shaft. Therefore, the rotation of the drive shaft is affected. The noise will be squeaks, dings or rattles. Once the problem has been diagnosed, it is time to repair the damaged drive shaft.
Professionals can repair your driveshaft at relatively low cost. Costs vary depending on the type of drive shaft and its condition. Axle repairs can range from $300 to $1,000. Labor is usually only around $200. A simple repair can cost between $150 and $1700. You’ll save hundreds of dollars if you’re able to fix the problem yourself. You may need to spend a few more hours educating yourself about the problem before handing it over to a professional for proper diagnosis and repair.
The cost of repairing a damaged driveshaft varies by model and manufacturer. It can cost as much as $2,000 depending on parts and labor. While labor costs can vary, parts and labor are typically around $70. On average, a damaged driveshaft repair costs between $400 and $600. However, these parts can be more expensive than that. If you don’t want to spend money on unnecessarily expensive repairs, you may need to pay a little more.

Learn how drive shafts work

While a car engine may be 1 of the most complex components in your vehicle, the driveshaft has an equally important job. The driveshaft transmits the power of the engine to the wheels, turning the wheels and making the vehicle move. Driveshaft torque refers to the force associated with rotational motion. Drive shafts must be able to withstand extreme conditions or they may break. Driveshafts are not designed to bend, so understanding how they work is critical to the proper functioning of the vehicle.
The drive shaft includes many components. The CV connector is 1 of them. This is the last stop before the wheels spin. CV joints are also known as “doughnut” joints. The CV joint helps balance the load on the driveshaft, the final stop between the engine and the final drive assembly. Finally, the axle is a single rotating shaft that transmits power from the final drive assembly to the wheels.
Different types of drive shafts have different numbers of joints. They transmit torque from the engine to the wheels and must accommodate differences in length and angle. The drive shaft of a front-wheel drive vehicle usually includes a connecting shaft, an inner constant velocity joint and an outer fixed joint. They also have anti-lock system rings and torsional dampers to help them run smoothly. This guide will help you understand the basics of driveshafts and keep your car in good shape.
The CV joint is the heart of the driveshaft, it enables the wheels of the car to move at a constant speed. The connector also helps transmit power efficiently. You can learn more about CV joint driveshafts by looking at the top 3 driveshaft questions
The U-joint on the intermediate shaft may be worn or damaged. Small deviations in these joints can cause slight vibrations and wobble. Over time, these vibrations can wear out drivetrain components, including U-joints and differential seals. Additional wear on the center support bearing is also expected. If your driveshaft is leaking oil, the next step is to check your transmission.
The drive shaft is an important part of the car. They transmit power from the engine to the transmission. They also connect the axles and CV joints. When these components are in good condition, they transmit power to the wheels. If you find them loose or stuck, it can cause the vehicle to bounce. To ensure proper torque transfer, your car needs to stay on the road. While rough roads are normal, bumps and bumps are common.

Common signs of damaged driveshafts

If your vehicle vibrates heavily underneath, you may be dealing with a faulty propshaft. This issue limits your overall control of the vehicle and cannot be ignored. If you hear this noise frequently, the problem may be the cause and should be diagnosed as soon as possible. Here are some common symptoms of a damaged driveshaft. If you experience this noise while driving, you should have your vehicle inspected by a mechanic.
A clanging sound can also be 1 of the signs of a damaged driveshaft. A ding may be a sign of a faulty U-joint or center bearing. This can also be a symptom of worn center bearings. To keep your vehicle safe and functioning properly, it is best to have your driveshaft inspected by a certified mechanic. This can prevent serious damage to your car.
A worn drive shaft can cause difficulty turning, which can be a major safety issue. Fortunately, there are many ways to tell if your driveshaft needs service. The first thing you can do is check the u-joint itself. If it moves too much or too little in any direction, it probably means your driveshaft is faulty. Also, rust on the bearing cap seals may indicate a faulty drive shaft.
The next time your car rattles, it might be time for a mechanic to check it out. Whether your vehicle has a manual or automatic transmission, the driveshaft plays an important role in your vehicle’s performance. When 1 or both driveshafts fail, it can make the vehicle unsafe or impossible to drive. Therefore, you should have your car inspected by a mechanic as soon as possible to prevent further problems.
Your vehicle should also be regularly lubricated with grease and chain to prevent corrosion. This will prevent grease from escaping and causing dirt and grease to build up. Another common sign is a dirty driveshaft. Make sure your phone is free of debris and in good condition. Finally, make sure the driveshaft chain and cover are in place. In most cases, if you notice any of these common symptoms, your vehicle’s driveshaft should be replaced.
Other signs of a damaged driveshaft include uneven wheel rotation, difficulty turning the car, and increased drag when trying to turn. A worn U-joint also inhibits the ability of the steering wheel to turn, making it more difficult to turn. Another sign of a faulty driveshaft is the shuddering noise the car makes when accelerating. Vehicles with damaged driveshafts should be inspected as soon as possible to avoid costly repairs.

This entry was posted in Product Catalog and tagged 48v motor, bike electric motor, bike motor, bike with motor, china motor, electric bike mid motor, electric bike motor, electric drive motor, electric motor, electric motor 48v, electric motor electric motor, mid drive motor, motor, motor 48v, motor bike, motor bike electric, motor drive, motor electric, motor motor on June 28, 2022 by ep.

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Main Features
250w-1000w geared brushless motor 8FUN, SOF, MXUS brand
36v/48v lithium battery, rear rack battery
OEM options of frame and wheel colors
Main Components
	AMS-TDE-14B	other options
Motor:	36v350W rear hub motor	48V 350W/500W/750w/1000w
Battery:	36V10Ah Lithium battery	48v 11.6Ah or much more powerful
Display :	LED 790	LCD functional display
Brake system	Disc Brake	Hydraulic brake
PAS:	1:1 intelligent PAS systerm
Charger:	110~240V, 50-60Hz, Plug according to final market requirement
Brake lever:	Cheap option and TEKTRO brand
Wheel:	26″x4.0 W/O wholes
Controller:	36V/48V smart controller
Fork:	suspension fork
Optional Components
F/R Light	LED
Throttle:	Thumb or Twist throttle
Color:	shinning black/mat black/white/black/orange/blue/green/any other specilized
Seat post:	suspension
Packing
G.W.	36 kgs
N.W:	32 kgs
Carton size:	1563880 CM
Container QTY:	60pcs/20’GP, 120pcs/40’GP

Main Features
250w-750w geared brushless motor 8FUN, SOF, MXUS brand
36v/48v lithium battery, Panasonic, Samsung, Sanyo
OEM options of frame and wheel colors
Main Components
	AMS-TDE-08B	other options
Motor:	36v350W rear hub motor	48V 350W/500W/750w
Battery:	36V10Ah Lithium battery	48v 11.6Ah much more powerful
Display :	LED 790 3 level	LCD 5 level display
Brake system	Disc Brake	Hydraulic disc brake
PAS:	1:1 intelligent PAS systerm
Charger:	110~240V, 50-60Hz, Plug according to final market requirement
Brake lever:	Cheap option or TEKTRO brand
Wheel:	26″x4.0 W/O wholes
Controller:	36V/48V smart controller
Fork:	suspension fork
Optional Components
F/R Light	LED
Throttle:	Thumb or Twist throttle
Color:	shinning black/mat black/white/black/orange/blue/green/any other specilized
Seat post:	suspension
Packing
G.W.	28 kgs
N.W:	35 kgs
Carton size:	1563880 CM
Container QTY:	60pcs/20’GP, 120pcs/40’GP

Product Description

What Are Screw Shaft Threads?

Coefficient of friction between the mating surfaces of a nut and a screw shaft

Helix angle

Thread angle

Material

Self-locking features

Product Description

Features

Lead Screws and Clamp Style Collars

Acme thread

Lead screw coatings

Clamp style collars

Ball screw nut

Product Description

Axle Spindle Types and Installation

Dimensions

Function

Types

Installation

Product Description

Features

What Are Screw Shaft Threads?

Coefficient of friction between the mating surfaces of a nut and a screw shaft

Helix angle

Thread angle

Material

Self-locking features

Product Description

1.Packing:Standard export carton packing, with professional foam protection. 2.Shipping:For samples, we deliver goods to customer by UPS,FEDEX,DHL,TNT or EMS.For mass production order, we deliver goods to customer by air or by sea.

36V 11.6ah Frear Racktype Battery

Warranty terms motor—>2 years(guarantee replacement in first year, guarantee repair in the next year.)battery—->1years(guarantee replacement.),other parts—->half an year

The Functions of Splined Shaft Bearings

Functions

Types

Manufacturing methods

Applications

Product Description

Why Checking the Drive Shaft is Important

hollow drive shaft

Cardan shaft

universal joint

Refurbished drive shaft

The cost of replacing the drive shaft

Product Description

Drive shaft type

tube yoke

end yoke

Product Description

Guide to Drive Shafts and U-Joints

Symptoms of Driveshaft Failure

Drive shaft type

U-joint

maintenance interval

Product Description

What is a drive shaft?

The drive shaft is a mechanical part

It transfers power from the engine to the wheels

It has a rubber boot that protects it from dust and moisture

it has a U-shaped connector

it has a slide-in tube

It uses a bearing press to replace worn or damaged U-joints

Product Description

How to Replace the Drive Shaft

Repair damaged driveshafts

Learn how drive shafts work

Common signs of damaged driveshafts

1.Packing:
Standard export carton packing, with professional foam protection.
2.Shipping:
For samples, we deliver goods to customer by UPS,FEDEX,DHL,TNT or EMS.
For mass production order, we deliver goods to customer by air or by sea.

Warranty terms

motor—>2 years(guarantee replacement in first year, guarantee repair in the next year.)
battery—->1years(guarantee replacement.),
other parts—->half an year