Product Description

Horizontal Automatic Energy Saving Servo Drive PET Plastic Preform Making Injection Blow Moulding Machine

Our automatic plastic perform injection molding machine adopts a thermal flow system and high-pressure injection molding to get high precision of bottle mouth, bottleneck and screw. It can inject all kinds of plastic parts such as bottle preform, engineering plastic, UPVC, PVC, PE pipes fitting, pomponents for automotive, household, eletronics,  telecommunication, etc.

Advantages of Our Plastic Preform Injection Molding Machine

1. Even the mainframe has no height limit for the workshop to be placed due to its low fuselage.

2. The product can be automatically dropped occasions, do not need to use a manipulator can also achieve automatic molding.

3. Because of the low fuselage, it is convenient for feeding and maintenance.

4. The mold shall be installed by crane.

5. The molding products are easy to be collected and packed by the conveyor belt when multiple sets are arranged in parallel.
Details of Our Plastic Preform Injection Molding Machine

Technical Parameters

Item	PM-1300A			PM-1600A			PM-2000A
screw diameter (mm)	35	40	45	45	50	55	50	55	60
screw l/d ratio (l/d)	24	21	18.7	23.3	21	19.1	23.1	21	19
theoretical shot volume (mm³)	173	226	286	358	442	534	491	594	707
shot weight (ps) (g)	158	206	260	326	402	486	447	540	643
injection pressure (mpa)	235	142	142	219	178	147	215	178	149
theoretical injection rate (ps) (g/s)	110	181	181	142	175	212	145	175	208
plasticising capacity (g/s)	13.8	19.7	27.1	20.1	26.5	34.2	22.5	28.7	35.4
max screw rotate speed (r/min)	250			200			170
injection stroke (mm)	180			225			250
Max.Clamping force(kn)	1300			1600			2000
Max.Opening stroke (mm)	400			460			500
space between (mm)	420*420			480*480			505*505
mould height (mm)	160-440			180-500			190-530
Max.Daylight (mm)	840			960			1030
pump motor power (kw)	13			15			18.5
heating power (kw)	9.2			13.6			16.6
heating zone	4			4			4
net weight	4.3			5.6			6.4
oil tank capacity (t)	360			420			420
intenational designation (l)	1300-410			1600-785			2000-1060

Our Service
Customized service
We can design the machines according your requirements(material,power,filling type,the kinds of the bottles,and so on),at the same time we will give you our professional suggestion,as you know,we have been in this industry for many years.

After-sales service
1.We will delivery the machine and provide the bill of load on time to make sure you can get the machine quickly 
2.When you finish the Preparation conditions,our fast and professional aftersales service engineer team will go to your factory to install the machine,give you the operating manual,and train your employee until they can operate the machine well. 
3.We often ask feedback and offer help to our customer whose machine have been used in their factory for some time.
4.We provide 1 year warranty 
5.Well-trained & experienced staff are to answer all your inquiries in English and Chinese
6.24 hours for engineer response (all services part 5days in customer hand by Intl’ courier). 
7.12 Months guarantee and life-long technical support.
8.Your business relationship with us will be confidential to any third party. 
9.Good after-sale service offered, please get back to us if you got any questions.

Quality Control
We have separate quality control department, which make sure the raw materials are qualified,also ensure the machine running smoothly. 
If you want to know more information about the product,Send inquiry to us, we will solve any of your problems and send you running video for reference.

Packaging & Shipping

Company Information
HangZhou Proman Machine Co., Ltd. is a production manufacturer and exporter in China, specialized in water treatment plants,beverage filling machine, packing machine, bottle blowing machine, injection moulding machine and spare parts of filling line.

Our factory was established in the year of 1998, with the long history of accumulated experience in filling machine industry in south ZheJiang . There are many development engineers of filling machine in our company. We devote ourselves to the development, research and production of liquid food and beverage packing and filling industry.

Besides, we have our own designs for the bottles.

Proman Machine cooperated with many customers in recent years, we win the trust of customers from our high-quality products. And we are looking forward to the future cooperation with you if our products can impress you deeply!

FAQ

1. Where is your factory? 
Our Factory is located in HangZhou City, 2 hours drive from ZheJiang and 1 hour drive from HangZhou(airplane & high-speed rail). If you arrive at ZheJiang or HangZhou, we can pick you up to visit our factory.

2. Do you have any technical supports with your Plastic Preform Injection Molding Machines? 
Yes, We have a professional team of engineers who owned many installation, debug and training experiences abroad, are available to service machinery overseas. 

3. What’s your guarantee or the warranty of the quality if we buy your machines? 
We offer high quality machines with 1 year warranty and supply life-long technical support. 
You’re always welcome to visit our company. If you have any interest on our products. Please do not hesitate to contact us.

Calculating the Deflection of a Worm Shaft

In this article, we’ll discuss how to calculate the deflection of a worm gear’s worm shaft. We’ll also discuss the characteristics of a worm gear, including its tooth forces. And we’ll cover the important characteristics of a worm gear. Read on to learn more! Here are some things to consider before purchasing a worm gear. We hope you enjoy learning! After reading this article, you’ll be well-equipped to choose a worm gear to match your needs.

Calculation of worm shaft deflection

The main goal of the calculations is to determine the deflection of a worm. Worms are used to turn gears and mechanical devices. This type of transmission uses a worm. The worm diameter and the number of teeth are inputted into the calculation gradually. Then, a table with proper solutions is shown on the screen. After completing the table, you can then move on to the main calculation. You can change the strength parameters as well.
The maximum worm shaft deflection is calculated using the finite element method (FEM). The model has many parameters, including the size of the elements and boundary conditions. The results from these simulations are compared to the corresponding analytical values to calculate the maximum deflection. The result is a table that displays the maximum worm shaft deflection. The tables can be downloaded below. You can also find more information about the different deflection formulas and their applications.
The calculation method used by DIN EN 10084 is based on the hardened cemented worm of 16MnCr5. Then, you can use DIN EN 10084 (CuSn12Ni2-C-GZ) and DIN EN 1982 (CuAl10Fe5Ne5-C-GZ). Then, you can enter the worm face width, either manually or using the auto-suggest option.
Common methods for the calculation of worm shaft deflection provide a good approximation of deflection but do not account for geometric modifications on the worm. While Norgauer’s 2021 approach addresses these issues, it fails to account for the helical winding of the worm teeth and overestimates the stiffening effect of gearing. More sophisticated approaches are required for the efficient design of thin worm shafts.
Worm gears have a low noise and vibration compared to other types of mechanical devices. However, worm gears are often limited by the amount of wear that occurs on the softer worm wheel. Worm shaft deflection is a significant influencing factor for noise and wear. The calculation method for worm gear deflection is available in ISO/TR 14521, DIN 3996, and AGMA 6022.
The worm gear can be designed with a precise transmission ratio. The calculation involves dividing the transmission ratio between more stages in a gearbox. Power transmission input parameters affect the gearing properties, as well as the material of the worm/gear. To achieve a better efficiency, the worm/gear material should match the conditions that are to be experienced. The worm gear can be a self-locking transmission.
The worm gearbox contains several machine elements. The main contributors to the total power loss are the axial loads and bearing losses on the worm shaft. Hence, different bearing configurations are studied. One type includes locating/non-locating bearing arrangements. The other is tapered roller bearings. The worm gear drives are considered when locating versus non-locating bearings. The analysis of worm gear drives is also an investigation of the X-arrangement and four-point contact bearings.

Influence of tooth forces on bending stiffness of a worm gear

The bending stiffness of a worm gear is dependent on tooth forces. Tooth forces increase as the power density increases, but this also leads to increased worm shaft deflection. The resulting deflection can affect efficiency, wear load capacity, and NVH behavior. Continuous improvements in bronze materials, lubricants, and manufacturing quality have enabled worm gear manufacturers to produce increasingly high power densities.
Standardized calculation methods take into account the supporting effect of the toothing on the worm shaft. However, overhung worm gears are not included in the calculation. In addition, the toothing area is not taken into account unless the shaft is designed next to the worm gear. Similarly, the root diameter is treated as the equivalent bending diameter, but this ignores the supporting effect of the worm toothing.
A generalized formula is provided to estimate the STE contribution to vibratory excitation. The results are applicable to any gear with a meshing pattern. It is recommended that engineers test different meshing methods to obtain more accurate results. One way to test tooth-meshing surfaces is to use a finite element stress and mesh subprogram. This software will measure tooth-bending stresses under dynamic loads.
The effect of tooth-brushing and lubricant on bending stiffness can be achieved by increasing the pressure angle of the worm pair. This can reduce tooth bending stresses in the worm gear. A further method is to add a load-loaded tooth-contact analysis (CCTA). This is also used to analyze mismatched ZC1 worm drive. The results obtained with the technique have been widely applied to various types of gearing.
In this study, we found that the ring gear’s bending stiffness is highly influenced by the teeth. The chamfered root of the ring gear is larger than the slot width. Thus, the ring gear’s bending stiffness varies with its tooth width, which increases with the ring wall thickness. Furthermore, a variation in the ring wall thickness of the worm gear causes a greater deviation from the design specification.
To understand the impact of the teeth on the bending stiffness of a worm gear, it is important to know the root shape. Involute teeth are susceptible to bending stress and can break under extreme conditions. A tooth-breakage analysis can control this by determining the root shape and the bending stiffness. The optimization of the root shape directly on the final gear minimizes the bending stress in the involute teeth.
The influence of tooth forces on the bending stiffness of a worm gear was investigated using the CZPT Spiral Bevel Gear Test Facility. In this study, multiple teeth of a spiral bevel pinion were instrumented with strain gages and tested at speeds ranging from static to 14400 RPM. The tests were performed with power levels as high as 540 kW. The results obtained were compared with the analysis of a three-dimensional finite element model.

Characteristics of worm gears

Worm gears are unique types of gears. They feature a variety of characteristics and applications. This article will examine the characteristics and benefits of worm gears. Then, we’ll examine the common applications of worm gears. Let’s take a look! Before we dive in to worm gears, let’s review their capabilities. Hopefully, you’ll see how versatile these gears are.
A worm gear can achieve massive reduction ratios with little effort. By adding circumference to the wheel, the worm can greatly increase its torque and decrease its speed. Conventional gearsets require multiple reductions to achieve the same reduction ratio. Worm gears have fewer moving parts, so there are fewer places for failure. However, they can’t reverse the direction of power. This is because the friction between the worm and wheel makes it impossible to move the worm backwards.
Worm gears are widely used in elevators, hoists, and lifts. They are particularly useful in applications where stopping speed is critical. They can be incorporated with smaller brakes to ensure safety, but shouldn’t be relied upon as a primary braking system. Generally, they are self-locking, so they are a good choice for many applications. They also have many benefits, including increased efficiency and safety.
Worm gears are designed to achieve a specific reduction ratio. They are typically arranged between the input and output shafts of a motor and a load. The 2 shafts are often positioned at an angle that ensures proper alignment. Worm gear gears have a center spacing of a frame size. The center spacing of the gear and worm shaft determines the axial pitch. For instance, if the gearsets are set at a radial distance, a smaller outer diameter is necessary.
Worm gears’ sliding contact reduces efficiency. But it also ensures quiet operation. The sliding action limits the efficiency of worm gears to 30% to 50%. A few techniques are introduced herein to minimize friction and to produce good entrance and exit gaps. You’ll soon see why they’re such a versatile choice for your needs! So, if you’re considering purchasing a worm gear, make sure you read this article to learn more about its characteristics!
An embodiment of a worm gear is described in FIGS. 19 and 20. An alternate embodiment of the system uses a single motor and a single worm 153. The worm 153 turns a gear which drives an arm 152. The arm 152, in turn, moves the lens/mirr assembly 10 by varying the elevation angle. The motor control unit 114 then tracks the elevation angle of the lens/mirr assembly 10 in relation to the reference position.
The worm wheel and worm are both made of metal. However, the brass worm and wheel are made of brass, which is a yellow metal. Their lubricant selections are more flexible, but they’re limited by additive restrictions due to their yellow metal. Plastic on metal worm gears are generally found in light load applications. The lubricant used depends on the type of plastic, as many types of plastics react to hydrocarbons found in regular lubricant. For this reason, you need a non-reactive lubricant.