Tag Archives: dog food machine

China OEM High Speed Multi-Function Laminated Film LDPE HDPE Polythene PA Poly Heavy Duty / Light Duty Pouch Bag Making Machine with Servo-Drive System for Dog Cat Food near me factory

Product Description

 

SPECIFICATION
 

Center Lap Seal Pouch / Bag Making Machine Serious

Equipment Center Lap Seal 350 Center Lap Seal 450 Center Lap Seal 600
Model HD-350BTZ HD-450BTZ HD-600BTZ
Max. Unwinding Width(mm) 850 1050 1200
Max. Pouch Width(mm) 350 450 600
Min. Pouch Height(mm) 50
Max. Gusset Depth(mm) 60
Max. Feeding Speed(m/min) 45
Pouch Making Speed(pcs/min) 120-200  Depends on specific condition of machine operating and material

 

Center Lap & Fin Pouch / Bag Making Machine Serious

Equipment Center Lap & Fin Seal
350
Center Lap & Fin Seal
450
Center Lap & Fin Seal
600
Model HD-350BTQZ HD-450BTQZ HD-600BTQZ
Max. Unwinding Width(mm) 850 1050 1200
Max. Pouch Width(mm) 350 450 600
Min. Pouch Height(mm) 50
Max. Gusset Depth(mm) 60
Max. Feeding Speed(m/min) 45
Pouch Making Speed(pcs/min) 120-200  Depends on specific condition of machine operating and material

 

Center Seal Stand-Up Pouch / Bag Machine Serious

Equipment Center Lap & Fin Seal 450 Center Seal & Stand-up 600
Model HD-450BTZMML HD-600BTZMML
Max. Unwinding Width(mm) 1050 1200
Max. Pouch Width(mm) 450 600
Min. Pouch Height(mm) 30
Max. Gusset Depth(mm) 60
Max. Feeding Speed(m/min) 45
Pouch Making Speed(pcs/min) 100-180  Depends on specific condition of machine operating and material

 

3-Side Seal Pouch / Bag Making Machine Serious

Equipment 3-Side Seal 600
Model HD-600BU
Max. Unwinding Width(mm) 1200
Max. Pouch Width(mm) 600
Min. Pouch Height(mm) 30
Max. Feeding Speed(m/min) 45
Pouch Making Speed(pcs/min) 200  Depends on specific condition of machine operating and material

 

3-Side Seal & Stand-Up Pouch / Bag Making Machine Serious

Equipment 3-Side Seal & Stand-Up 600
Model HD-600BUML
Max. Unwinding Width(mm) 1200
Max. Pouch Width(mm) 600
Min. Pouch Height(mm) 50
Max. Feeding Speed(m/min) 45
Pouch Making Speed(pcs/min) 100-180  Depends on specific condition of machine operating and material

3-Side Seal & Stand-Up Plus Pouch / Bag Making Machine Serious

Equipment 3-Side Seal & Stand-Up Plus 600
Model HD-600BULL
Max. Unwinding Width(mm) 1200
Max. Pouch Width(mm) 600
Min. Pouch Height(mm) 50
Max. Feeding Speed(m/min) 45
Pouch Making Speed(pcs/min) 100-180  Depends on specific condition of machine operating and material

 

3-Side Seal & Stand-Up Ultra Pouch / Bag Making Machine Serious

Equipment 3-Side Seal & Stand-Up
Ultra 850
3-Side Seal & Stand-Up
Ultra 1100
3-Side Seal & Stand-Up
Ultra 1250
Model HD-850BU HD-1100BU HD-1250BU
Max. Unwinding Width(mm) 1500 Single Unwiding 1100 Double Unwiding 1250 Double Unwiding
Max. Pouch Width(mm) 850 1100 1250
Min. Pouch Height(mm) 50
Max. Feeding Speed(m/min) 45
Pouch Making Speed(pcs/min) 120-180  Depends on specific condition of machine operating and material

 

Flat Bottom Pouch / Bag Making Machine Serious

Equipment Flat Bottom 600
Model HD-600BF
Max. Unwinding Width(mm) 1200
Max. Feeding Speed(m/min) 45
Pouch Making Speed(pcs/min) 90-110  Depends on specific condition of machine operating and material

As a technology-based company with independent R&D and manufacturing capabilities, Tie Min’s founding team already has extensive experience in the flexible packaging industry more earlier before its establishement in 2001, which makes Tie Min can design and produce the bag / pouch machine from the perspective of customers – we came from the customers, and we are going back to the customers, we know flexible packaging industry better, so can make pouch / bag making machine right.After more than 20 years of continuous development in the industry, Tie Min has accumulated a wealth of experience in designing, technical and economic evaluation, manufacturing, installation, commissioning, staff training, and after-sales service, and have been striving to create lasting relationships with customers all over the world, guarantee that they can count on us for CZPT pricing and quality with zero hassle, which is based on a complete set of production and testing equipment, a perfect managment of supply chain, as well as a group of highly qualified professional technicians of designing, construction, and manufacturing.
Tie Min Machine is dedicated to helping customers get the most right solutions of flexible packaging. 
Let us know what we can do for your business by leaving us a message. We’re here to make sure you don’t have to worry about anything.
Features:  · PLC Controlled Pneumatic Locking Unwinding System integrated with extra EPC to achieve more precise control and more stable feeding – Pouch Making Speed and Yield Rate Guaranteed · Multiple Photoelectric Sensors and Mechanical Limits are applied to the material with and without printing to achieve production with different materials in just 1 machine – Early Investment Minimized · CRT Touch Screen with  Remote Diagnostic and Restoration Function, plus a full set of manual CZPT and mature after-sales service -Convenience of machine operation guaranteed · Multiple auto-running functions available, such as Auto counting, Hole Punching/ Length Measuring / Sealing Speed Setting, making it possible for multiple machines controlled by just 1 man – Labour Cost Minimized · Mature Warning and Auto Stop System avoid loss caused by Temperature Lossing, Abnormal Unwinding and Feeding, Photoelectric Sensor and Servo Motor Going Down, etc. to Minimize Material Waste – Production costs Minimized FAQ Q:Are you factory or trading company? A:We are an original FACTORY specializing in designing, manufacturing, and customizing pouch bag making machines for over 20 years, we sincerely and warmly welcome all kinds of clients including the end customers, dealers, and sole agencies discuss with us about all forms of cooperation. Q:Where is your factory located? A:We are located in HangZhou City, 2 hours from ZheJiang by train or car, and 3 hours from HangZhou by air. Q: What kind of pouch bags can your machine make? A:The regular machine types we are selling can produce varieties of laminated pouches/bags,  including but not limited to the following bag types: 2-Side seal pouch bag, 3-Side seal pouch bag, 4-Side seal pouch bag; Lap seal pouch bag, Fin seal pouch bag; Side gusset pouch bag, Bottom gusset pouch bag; Center seal pouch bag, Side seal pouch bag, Bottom seal pouch bag; Flat bottom pouch bag / Plough bottom pouch bag; K Seal pouch bag / Skirt seal pouch bag; Round bottom pouch bag / Doyen bag / Doypack; Corner bottom pouch bag / Plow bottom pouch bag/ Folded bottom pouch bag. We will be very glad to discuss with our clients if they have any special demand for packing solutions, providing them with varieties of customization. Q: What kinds of pouch bag material are available for your machine? A: Our machines can produce laminated pouch bags made with varieties of material, including Aluminum and Plastic like PET, BOPET, OPP, BOPP, LDPE, HDPE, PA, and so on, any special demands of material will be welcome to be discussed with us, we will be glad to help our customers to get the right packing solutions. Q:What’s your after-sale service policy? A:6 months warranty for electronic components + 12 months warranty for mechanical parts. On-site installation and adjustment or remote guidance via the internet Employee technical training Repair and Technical Support Q: What certification do you have? A: With the cooperation of a responsible production management team and an experienced technical team, we have obtained ISO9001 certification from UKAS and CE certification from SGS, and have independently developed more than 30 patents in the past 20 years.

How to Choose the Right Worm Shaft

You might be curious to know how to choose the right Worm Shaft. In this article, you will learn about worm modules with the same pitch diameter, Double-thread worm gears, and Self-locking worm drive. Once you have chosen the proper Worm Shaft, you will find it easier to use the equipment in your home. There are many advantages to selecting the right Worm Shaft. Read on to learn more.
worm shaft

Concave shape

The concave shape of a worm’s shaft is an important characteristic for the design of a worm gearing. Worm gearings can be found in a wide range of shapes, and the basic profile parameters are available in professional and firm literature. These parameters are used in geometry calculations, and a selection of the right worm gearing for a particular application can be based on these requirements.
The thread profile of a worm is defined by the tangent to the axis of its main cylinder. The teeth are shaped in a straight line with a slightly concave shape along the sides. It resembles a helical gear, and the profile of the worm itself is straight. This type of gearing is often used when the number of teeth is greater than a certain limit.
The geometry of a worm gear depends on the type and manufacturer. In the earliest days, worms were made similar to simple screw threads, and could be chased on a lathe. During this time, the worm was often made with straight-sided tools to produce threads in the acme plane. Later, grinding techniques improved the thread finish and reduced distortions resulting from hardening.
When a worm gearing has multiple teeth, the pitch angle is a key parameter. A greater pitch angle increases efficiency. If you want to increase the pitch angle without increasing the number of teeth, you can replace a worm pair with a different number of thread starts. The helix angle must increase while the center distance remains constant. A higher pitch angle, however, is almost never used for power transmissions.
The minimum number of gear teeth depends on the angle of pressure at zero gearing correction. The diameter of the worm is d1, and is based on a known module value, mx or mn. Generally, larger values of m are assigned to larger modules. And a smaller number of teeth is called a low pitch angle. In case of a low pitch angle, spiral gearing is used. The pitch angle of the worm gear is smaller than 10 degrees.
worm shaft

Multiple-thread worms

Multi-thread worms can be divided into sets of one, two, or 4 threads. The ratio is determined by the number of threads on each set and the number of teeth on the apparatus. The most common worm thread counts are 1,2,4, and 6. To find out how many threads you have, count the start and end of each thread and divide by two. Using this method, you will get the correct thread count every time.
The tangent plane of a worm’s pitch profile changes as the worm moves lengthwise along the thread. The lead angle is greatest at the throat, and decreases on both sides. The curvature radius r” varies proportionally with the worm’s radius, or pitch angle at the considered point. Hence, the worm leads angle, r, is increased with decreased inclination and decreases with increasing inclination.
Multi-thread worms are characterized by a constant leverage between the gear surface and the worm threads. The ratio of worm-tooth surfaces to the worm’s length varies, which enables the wormgear to be adjusted in the same direction. To optimize the gear contact between the worm and gear, the tangent relationship between the 2 surfaces is optimal.
The efficiency of worm gear drives is largely dependent on the helix angle of the worm. Multiple thread worms can improve the efficiency of the worm gear drive by as much as 25 to 50% compared to single-thread worms. Worm gears are made of bronze, which reduces friction and heat on the worm’s teeth. A specialized machine can cut the worm gears for maximum efficiency.

Double-thread worm gears

In many different applications, worm gears are used to drive a worm wheel. These gears are unique in that the worm cannot be reversed by the power applied to the worm wheel. Because of their self-locking properties, they can be used to prevent reversing motion, although this is not a dependable function. Applications for worm gears include hoisting equipment, elevators, chain blocks, fishing reels, and automotive power steering. Because of their compact size, these gears are often used in applications with limited space.
Worm sets typically exhibit more wear than other types of gears, and this means that they require more limited contact patterns in new parts. Worm wheel teeth are concave, making it difficult to measure tooth thickness with pins, balls, and gear tooth calipers. To measure tooth thickness, however, you can measure backlash, a measurement of the spacing between teeth in a gear. Backlash can vary from 1 worm gear to another, so it is important to check the backlash at several points. If the backlash is different in 2 places, this indicates that the teeth may have different spacing.
Single-thread worm gears provide high speed reduction but lower efficiency. A multi-thread worm gear can provide high efficiency and high speed, but this comes with a trade-off in terms of horsepower. However, there are many other applications for worm gears. In addition to heavy-duty applications, they are often used in light-duty gearboxes for a variety of functions. When used in conjunction with double-thread worms, they allow for a substantial speed reduction in 1 step.
Stainless-steel worm gears can be used in damp environments. The worm gear is not susceptible to rust and is ideal for wet and damp environments. The worm wheel’s smooth surfaces make cleaning them easy. However, they do require lubricants. The most common lubricant for worm gears is mineral oil. This lubricant is designed to protect the worm drive.
worm shaft

Self-locking worm drive

A self-locking worm drive prevents the platform from moving backward when the motor stops. A dynamic self-locking worm drive is also possible but does not include a holding brake. This type of self-locking worm drive is not susceptible to vibrations, but may rattle if released. In addition, it may require an additional brake to keep the platform from moving. A positive brake may be necessary for safety.
A self-locking worm drive does not allow for the interchangeability of the driven and driving gears. This is unlike spur gear trains that allow both to interchange positions. In a self-locking worm drive, the driving gear is always engaged and the driven gear remains stationary. The drive mechanism locks automatically when the worm is operated in the wrong manner. Several sources of information on self-locking worm gears include the Machinery’s Handbook.
A self-locking worm drive is not difficult to build and has a great mechanical advantage. In fact, the output of a self-locking worm drive cannot be backdriven by the input shaft. DIYers can build a self-locking worm drive by modifying threaded rods and off-the-shelf gears. However, it is easier to make a ratchet and pawl mechanism, and is significantly less expensive. However, it is important to understand that you can only drive 1 worm at a time.
Another advantage of a self-locking worm drive is the fact that it is not possible to interchange the input and output shafts. This is a major benefit of using such a mechanism, as you can achieve high gear reduction without increasing the size of the gear box. If you’re thinking about buying a self-locking worm gear for a specific application, consider the following tips to make the right choice.
An enveloping worm gear set is best for applications requiring high accuracy and efficiency, and minimum backlash. Its teeth are shaped differently, and the worm’s threads are modified to increase surface contact. They are more expensive to manufacture than their single-start counterparts, but this type is best for applications where accuracy is crucial. The worm drive is also a great option for heavy trucks because of their large size and high-torque capacity.

China OEM High Speed Multi-Function Laminated Film LDPE HDPE Polythene PA Poly Heavy Duty / Light Duty Pouch Bag Making Machine with Servo-Drive System for Dog Cat Food   near me factory China OEM High Speed Multi-Function Laminated Film LDPE HDPE Polythene PA Poly Heavy Duty / Light Duty Pouch Bag Making Machine with Servo-Drive System for Dog Cat Food   near me factory

China manufacturer Multi-Function Laminated Film LDPE HDPE Polythene PA Poly Round Bottom / Doyen / Doypack Pouch Bag Making Machine with Servo-Drive System for Dog Cat Food with high quality

Product Description

 

SPECIFICATION
 

Center Lap Seal Pouch / Bag Making Machine Serious

Equipment Center Lap Seal 350 Center Lap Seal 450 Center Lap Seal 600
Model HD-350BTZ HD-450BTZ HD-600BTZ
Max. Unwinding Width(mm) 850 1050 1200
Max. Pouch Width(mm) 350 450 600
Min. Pouch Height(mm) 50
Max. Gusset Depth(mm) 60
Max. Feeding Speed(m/min) 45
Pouch Making Speed(pcs/min) 120-200  Depends on specific condition of machine operating and material

 

Center Lap & Fin Pouch / Bag Making Machine Serious

Equipment Center Lap & Fin Seal
350
Center Lap & Fin Seal
450
Center Lap & Fin Seal
600
Model HD-350BTQZ HD-450BTQZ HD-600BTQZ
Max. Unwinding Width(mm) 850 1050 1200
Max. Pouch Width(mm) 350 450 600
Min. Pouch Height(mm) 50
Max. Gusset Depth(mm) 60
Max. Feeding Speed(m/min) 45
Pouch Making Speed(pcs/min) 120-200  Depends on specific condition of machine operating and material

 

Center Seal Stand-Up Pouch / Bag Machine Serious

Equipment Center Lap & Fin Seal 450 Center Seal & Stand-up 600
Model HD-450BTZMML HD-600BTZMML
Max. Unwinding Width(mm) 1050 1200
Max. Pouch Width(mm) 450 600
Min. Pouch Height(mm) 30
Max. Gusset Depth(mm) 60
Max. Feeding Speed(m/min) 45
Pouch Making Speed(pcs/min) 100-180  Depends on specific condition of machine operating and material

 

3-Side Seal Pouch / Bag Making Machine Serious

Equipment 3-Side Seal 600
Model HD-600BU
Max. Unwinding Width(mm) 1200
Max. Pouch Width(mm) 600
Min. Pouch Height(mm) 30
Max. Feeding Speed(m/min) 45
Pouch Making Speed(pcs/min) 200  Depends on specific condition of machine operating and material

 

3-Side Seal & Stand-Up Pouch / Bag Making Machine Serious

Equipment 3-Side Seal & Stand-Up 600
Model HD-600BUML
Max. Unwinding Width(mm) 1200
Max. Pouch Width(mm) 600
Min. Pouch Height(mm) 50
Max. Feeding Speed(m/min) 45
Pouch Making Speed(pcs/min) 100-180  Depends on specific condition of machine operating and material

3-Side Seal & Stand-Up Plus Pouch / Bag Making Machine Serious

Equipment 3-Side Seal & Stand-Up Plus 600
Model HD-600BULL
Max. Unwinding Width(mm) 1200
Max. Pouch Width(mm) 600
Min. Pouch Height(mm) 50
Max. Feeding Speed(m/min) 45
Pouch Making Speed(pcs/min) 100-180  Depends on specific condition of machine operating and material

 

3-Side Seal & Stand-Up Ultra Pouch / Bag Making Machine Serious

Equipment 3-Side Seal & Stand-Up
Ultra 850
3-Side Seal & Stand-Up
Ultra 1100
3-Side Seal & Stand-Up
Ultra 1250
Model HD-850BU HD-1100BU HD-1250BU
Max. Unwinding Width(mm) 1500 Single Unwiding 1100 Double Unwiding 1250 Double Unwiding
Max. Pouch Width(mm) 850 1100 1250
Min. Pouch Height(mm) 50
Max. Feeding Speed(m/min) 45
Pouch Making Speed(pcs/min) 120-180  Depends on specific condition of machine operating and material

 

Flat Bottom Pouch / Bag Making Machine Serious

Equipment Flat Bottom 600
Model HD-600BF
Max. Unwinding Width(mm) 1200
Max. Feeding Speed(m/min) 45
Pouch Making Speed(pcs/min) 90-110  Depends on specific condition of machine operating and material

As a technology-based company with independent R&D and manufacturing capabilities, Tie Min’s founding team already has extensive experience in the flexible packaging industry more earlier before its establishement in 2001, which makes Tie Min can design and produce the bag / pouch machine from the perspective of customers – we came from the customers, and we are going back to the customers, we know flexible packaging industry better, so can make pouch / bag making machine right.After more than 20 years of continuous development in the industry, Tie Min has accumulated a wealth of experience in designing, technical and economic evaluation, manufacturing, installation, commissioning, staff training, and after-sales service, and have been striving to create lasting relationships with customers all over the world, guarantee that they can count on us for CZPT pricing and quality with zero hassle, which is based on a complete set of production and testing equipment, a perfect managment of supply chain, as well as a group of highly qualified professional technicians of designing, construction, and manufacturing.
Tie Min Machine is dedicated to helping customers get the most right solutions of flexible packaging. 
Let us know what we can do for your business by leaving us a message. We’re here to make sure you don’t have to worry about anything.
Features:  · PLC Controlled Pneumatic Locking Unwinding System integrated with extra EPC to achieve more precise control and more stable feeding – Pouch Making Speed and Yield Rate Guaranteed · Multiple Photoelectric Sensors and Mechanical Limits are applied to the material with and without printing to achieve production with different materials in just 1 machine – Early Investment Minimized · CRT Touch Screen with  Remote Diagnostic and Restoration Function, plus a full set of manual CZPT and mature after-sales service -Convenience of machine operation guaranteed · Multiple auto-running functions available, such as Auto counting, Hole Punching/ Length Measuring / Sealing Speed Setting, making it possible for multiple machines controlled by just 1 man – Labour Cost Minimized · Mature Warning and Auto Stop System avoid loss caused by Temperature Lossing, Abnormal Unwinding and Feeding, Photoelectric Sensor and Servo Motor Going Down, etc. to Minimize Material Waste – Production costs Minimized FAQ Q:Are you factory or trading company? A:We are an original FACTORY specializing in designing, manufacturing, and customizing pouch bag making machines for over 20 years, we sincerely and warmly welcome all kinds of clients including the end customers, dealers, and sole agencies discuss with us about all forms of cooperation. Q:Where is your factory located? A:We are located in HangZhou City, 2 hours from ZheJiang by train or car, and 3 hours from HangZhou by air. Q: What kind of pouch bags can your machine make? A:The regular machine types we are selling can produce varieties of laminated pouches/bags,  including but not limited to the following bag types: 2-Side seal pouch bag, 3-Side seal pouch bag, 4-Side seal pouch bag; Lap seal pouch bag, Fin seal pouch bag; Side gusset pouch bag, Bottom gusset pouch bag; Center seal pouch bag, Side seal pouch bag, Bottom seal pouch bag; Flat bottom pouch bag / Plough bottom pouch bag; K Seal pouch bag / Skirt seal pouch bag; Round bottom pouch bag / Doyen bag / Doypack; Corner bottom pouch bag / Plow bottom pouch bag/ Folded bottom pouch bag. We will be very glad to discuss with our clients if they have any special demand for packing solutions, providing them with varieties of customization. Q: What kinds of pouch bag material are available for your machine? A: Our machines can produce laminated pouch bags made with varieties of material, including Aluminum and Plastic like PET, BOPET, OPP, BOPP, LDPE, HDPE, PA, and so on, any special demands of material will be welcome to be discussed with us, we will be glad to help our customers to get the right packing solutions. Q:What’s your after-sale service policy? A:6 months warranty for electronic components + 12 months warranty for mechanical parts. On-site installation and adjustment or remote guidance via the internet Employee technical training Repair and Technical Support Q: What certification do you have? A: With the cooperation of a responsible production management team and an experienced technical team, we have obtained ISO9001 certification from UKAS and CE certification from SGS, and have independently developed more than 30 patents in the past 20 years.

Stiffness and Torsional Vibration of Spline-Couplings

In this paper, we describe some basic characteristics of spline-coupling and examine its torsional vibration behavior. We also explore the effect of spline misalignment on rotor-spline coupling. These results will assist in the design of improved spline-coupling systems for various applications. The results are presented in Table 1.
splineshaft

Stiffness of spline-coupling

The stiffness of a spline-coupling is a function of the meshing force between the splines in a rotor-spline coupling system and the static vibration displacement. The meshing force depends on the coupling parameters such as the transmitting torque and the spline thickness. It increases nonlinearly with the spline thickness.
A simplified spline-coupling model can be used to evaluate the load distribution of splines under vibration and transient loads. The axle spline sleeve is displaced a z-direction and a resistance moment T is applied to the outer face of the sleeve. This simple model can satisfy a wide range of engineering requirements but may suffer from complex loading conditions. Its asymmetric clearance may affect its engagement behavior and stress distribution patterns.
The results of the simulations show that the maximum vibration acceleration in both Figures 10 and 22 was 3.03 g/s. This results indicate that a misalignment in the circumferential direction increases the instantaneous impact. Asymmetry in the coupling geometry is also found in the meshing. The right-side spline’s teeth mesh tightly while those on the left side are misaligned.
Considering the spline-coupling geometry, a semi-analytical model is used to compute stiffness. This model is a simplified form of a classical spline-coupling model, with submatrices defining the shape and stiffness of the joint. As the design clearance is a known value, the stiffness of a spline-coupling system can be analyzed using the same formula.
The results of the simulations also show that the spline-coupling system can be modeled using MASTA, a high-level commercial CAE tool for transmission analysis. In this case, the spline segments were modeled as a series of spline segments with variable stiffness, which was calculated based on the initial gap between spline teeth. Then, the spline segments were modelled as a series of splines of increasing stiffness, accounting for different manufacturing variations. The resulting analysis of the spline-coupling geometry is compared to those of the finite-element approach.
Despite the high stiffness of a spline-coupling system, the contact status of the contact surfaces often changes. In addition, spline coupling affects the lateral vibration and deformation of the rotor. However, stiffness nonlinearity is not well studied in splined rotors because of the lack of a fully analytical model.
splineshaft

Characteristics of spline-coupling

The study of spline-coupling involves a number of design factors. These include weight, materials, and performance requirements. Weight is particularly important in the aeronautics field. Weight is often an issue for design engineers because materials have varying dimensional stability, weight, and durability. Additionally, space constraints and other configuration restrictions may require the use of spline-couplings in certain applications.
The main parameters to consider for any spline-coupling design are the maximum principal stress, the maldistribution factor, and the maximum tooth-bearing stress. The magnitude of each of these parameters must be smaller than or equal to the external spline diameter, in order to provide stability. The outer diameter of the spline must be at least 4 inches larger than the inner diameter of the spline.
Once the physical design is validated, the spline coupling knowledge base is created. This model is pre-programmed and stores the design parameter signals, including performance and manufacturing constraints. It then compares the parameter values to the design rule signals, and constructs a geometric representation of the spline coupling. A visual model is created from the input signals, and can be manipulated by changing different parameters and specifications.
The stiffness of a spline joint is another important parameter for determining the spline-coupling stiffness. The stiffness distribution of the spline joint affects the rotor’s lateral vibration and deformation. A finite element method is a useful technique for obtaining lateral stiffness of spline joints. This method involves many mesh refinements and requires a high computational cost.
The diameter of the spline-coupling must be large enough to transmit the torque. A spline with a larger diameter may have greater torque-transmitting capacity because it has a smaller circumference. However, the larger diameter of a spline is thinner than the shaft, and the latter may be more suitable if the torque is spread over a greater number of teeth.
Spline-couplings are classified according to their tooth profile along the axial and radial directions. The radial and axial tooth profiles affect the component’s behavior and wear damage. Splines with a crowned tooth profile are prone to angular misalignment. Typically, these spline-couplings are oversized to ensure durability and safety.

Stiffness of spline-coupling in torsional vibration analysis

This article presents a general framework for the study of torsional vibration caused by the stiffness of spline-couplings in aero-engines. It is based on a previous study on spline-couplings. It is characterized by the following 3 factors: bending stiffness, total flexibility, and tangential stiffness. The first criterion is the equivalent diameter of external and internal splines. Both the spline-coupling stiffness and the displacement of splines are evaluated by using the derivative of the total flexibility.
The stiffness of a spline joint can vary based on the distribution of load along the spline. Variables affecting the stiffness of spline joints include the torque level, tooth indexing errors, and misalignment. To explore the effects of these variables, an analytical formula is developed. The method is applicable for various kinds of spline joints, such as splines with multiple components.
Despite the difficulty of calculating spline-coupling stiffness, it is possible to model the contact between the teeth of the shaft and the hub using an analytical approach. This approach helps in determining key magnitudes of coupling operation such as contact peak pressures, reaction moments, and angular momentum. This approach allows for accurate results for spline-couplings and is suitable for both torsional vibration and structural vibration analysis.
The stiffness of spline-coupling is commonly assumed to be rigid in dynamic models. However, various dynamic phenomena associated with spline joints must be captured in high-fidelity drivetrain models. To accomplish this, a general analytical stiffness formulation is proposed based on a semi-analytical spline load distribution model. The resulting stiffness matrix contains radial and tilting stiffness values as well as torsional stiffness. The analysis is further simplified with the blockwise inversion method.
It is essential to consider the torsional vibration of a power transmission system before selecting the coupling. An accurate analysis of torsional vibration is crucial for coupling safety. This article also discusses case studies of spline shaft wear and torsionally-induced failures. The discussion will conclude with the development of a robust and efficient method to simulate these problems in real-life scenarios.
splineshaft

Effect of spline misalignment on rotor-spline coupling

In this study, the effect of spline misalignment in rotor-spline coupling is investigated. The stability boundary and mechanism of rotor instability are analyzed. We find that the meshing force of a misaligned spline coupling increases nonlinearly with spline thickness. The results demonstrate that the misalignment is responsible for the instability of the rotor-spline coupling system.
An intentional spline misalignment is introduced to achieve an interference fit and zero backlash condition. This leads to uneven load distribution among the spline teeth. A further spline misalignment of 50um can result in rotor-spline coupling failure. The maximum tensile root stress shifted to the left under this condition.
Positive spline misalignment increases the gear mesh misalignment. Conversely, negative spline misalignment has no effect. The right-handed spline misalignment is opposite to the helix hand. The high contact area is moved from the center to the left side. In both cases, gear mesh is misaligned due to deflection and tilting of the gear under load.
This variation of the tooth surface is measured as the change in clearance in the transverse plain. The radial and axial clearance values are the same, while the difference between the 2 is less. In addition to the frictional force, the axial clearance of the splines is the same, which increases the gear mesh misalignment. Hence, the same procedure can be used to determine the frictional force of a rotor-spline coupling.
Gear mesh misalignment influences spline-rotor coupling performance. This misalignment changes the distribution of the gear mesh and alters contact and bending stresses. Therefore, it is essential to understand the effects of misalignment in spline couplings. Using a simplified system of helical gear pair, Hong et al. examined the load distribution along the tooth interface of the spline. This misalignment caused the flank contact pattern to change. The misaligned teeth exhibited deflection under load and developed a tilting moment on the gear.
The effect of spline misalignment in rotor-spline couplings is minimized by using a mechanism that reduces backlash. The mechanism comprises cooperably splined male and female members. One member is formed by 2 coaxially aligned splined segments with end surfaces shaped to engage in sliding relationship. The connecting device applies axial loads to these segments, causing them to rotate relative to 1 another.

China manufacturer Multi-Function Laminated Film LDPE HDPE Polythene PA Poly Round Bottom / Doyen / Doypack Pouch Bag Making Machine with Servo-Drive System for Dog Cat Food   with high qualityChina manufacturer Multi-Function Laminated Film LDPE HDPE Polythene PA Poly Round Bottom / Doyen / Doypack Pouch Bag Making Machine with Servo-Drive System for Dog Cat Food   with high quality