China Standard Elastic Pin Shaft Coupling with Professional Manufacture

Product Description

                                Elastic Pin Shaft Coupling with Brake Wheel 
Elastic pin coupling with pin is made into a plurality of non-metallic materials, placed between the 2 half couplings and the outer ring of the inner surface of the hole, the pin transfer torque to achieve the 2 halves of the coupling, the coupling has the following features:
1. the transmission torque is big, when the rotating diameter of the same torque is smaller than that of the gear type coupling, small size, light weight, can be partially replaced by the gear type coupling.
2.compared with the gear coupling structure, the elastic pin tooth type connector is simple, less components, convenient manufacture, no gear cutting machine.
3. the elastic pin tooth type coupling and easy maintenance, long service life, remove the plate to replace the nylon pin.
4. the elastic pin tooth type coupling nylon pin for self-lubricating materials, no lubrication, not only saves the lubricating oil, and clean work environment.
5. the kinetic energy damping elastic pin tooth type coupling, large noise.   

Model Tn(N.m) [n]r/min       D   D0 D B S Kg.m2  m
Y J1
d1 d2 L L1
ZLL1 250 4000 42 30 160 98 68 3.5 0.571 7
52 38
25 28 25 28 62 44
30 32 82 60
ZLL2 630 3800 25 28 25 28 62 44 200 124 85 5 0.063 12.6
82 60
40 42 112 84
ZLL3 1600 3000 112 84 250 166 105 5 0.24 30.4
60 142 107
ZLL4 4000 2400 112 84 315 214 132 5 0.65 52.4
71 75 71 75 142 107
80 172 132
ZLL5 6300 1900 142 107 400 240 168 7 1.63 81.3
172 132
ZLL6 10000 1500 142 107 500 280 210 7 4.4 139.8
172 132
212 167
ZLL7 16000 1200 172 132 630 330 265 9 12.8 257
212 167
130 130 252 202
ZLL8 25000 1050 90 95 90 95 172 132 710 370 298 9 20.9 331
212 167
252 202
  302 242
ZLL9 31500 950 212 167 800 384 335 11 33.5 424
252 202
160 170 160 170 302 242

ZLL type with the brake wheel elastic cylinder pin tooth coupling maintenance is convenient, life is long, remove the file board can replace nylon column pin. Nylon pin is a self – lubricating material, it is not necessary to lubricate, it can not only save the lubricating oil, but also clean the working environment.

Company Profile

HangZhou CHINAMFG Machinery Manufacturing Co., Ltd. is a high-tech enterprise specializing in the design and manufacture of various types of coupling. There are 86 employees in our company, including 2 senior engineers and no fewer than 20 mechanical design and manufacture, heat treatment, welding, and other professionals.

Advanced and reasonable process, complete detection means. Our company actively introduces foreign advanced technology and equipment, on the basis of the condition, we make full use of the advantage and do more research and innovation. Strict to high quality and operate strictly in accordance with the ISO9000 quality certification system standard mode.

Our company supplies different kinds of products. High quality and reasonable price. We stick to the principle of “quality first, service first, continuous improvement and innovation to meet the customers” for the management and “zero defect, zero complaints” as the quality objective. 

Our Services

1. Design Services
Our design team has experience in Cardan shafts relating to product design and development. If you have any needs for your new product or wish to make further improvements, we are here to offer our support.

2. Product Services
raw materials → Cutting → Forging →Rough machining →Shot blasting →Heat treatment →Testing →Fashioning →Cleaning→ Assembly→Packing→Shipping

3. Samples Procedure
We could develop the sample according to your requirement and amend the sample constantly to meet your need.

4. Research & Development
We usually research the new needs of the market and develop new models when there are new cars in the market.

5. Quality Control
Every step should be a particular test by Professional Staff according to the standard of ISO9001 and TS16949.


Q 1: Are you a trading company or a manufacturer?
A: We are a professional manufacturer specializing in manufacturing
various series of couplings.

Q 2:Can you do OEM?
Yes, we can. We can do OEM & ODM for all customers with customized PDF or AI format artwork.

Q 3:How long is your delivery time?
Generally, it is 20-30 days if the goods are not in stock. It is according to quantity.

Q 4: Do you provide samples? Is it free or extra?
Yes, we could offer the sample but not for free. Actually, we have an excellent price principle, when you make the bulk order the cost of the sample will be deducted.

Q 5: How long is your warranty?
A: Our Warranty is 12 months under normal circumstances. 

Q 6: What is the MOQ?
A: Usually our MOQ is 1pcs.

Q 7: Do you have inspection procedures for coupling?
A:100% self-inspection before packing.

Q 8: Can I have a visit to your factory before the order? 
A: Sure, welcome to visit our factory.

Q 9: What’s your payment?
A:1) T/T. 

Contact Us

Web: huadingcoupling
Add: No.11 HangZhou Road,Chengnan park,HangZhou City,ZheJiang Province,China

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elastic coupling

Material Selection and Design Durability of Elastic Couplings

The choice of materials for elastic couplings significantly influences their design and overall durability. Material selection affects factors such as flexibility, torsional stiffness, fatigue resistance, and resistance to environmental conditions. Here’s how material selection plays a crucial role:

  • Elastomer Material: The elastomer used in elastic couplings determines the coupling’s flexibility, vibration absorption capabilities, and resilience. Common elastomers include natural rubber, synthetic rubber, and polyurethane. The selected elastomer should provide the desired level of elasticity and durability while maintaining its properties over time.
  • Hub and Spacer Material: The hubs and spacers of elastic couplings are typically made from metals like steel, aluminum, or alloy materials. These components need to be strong enough to transmit torque while accommodating misalignments and vibrations. The material should also resist wear, corrosion, and fatigue.
  • Bolt or Pin Material: Bolts or pins used to connect the hubs and elastomer element must possess sufficient strength to handle the torsional forces and loads. They should be made from materials with high tensile strength and corrosion resistance.
  • Environmental Factors: Depending on the application environment, material selection should consider factors such as temperature, moisture, chemicals, and UV exposure. The chosen materials should be able to withstand these conditions without deterioration.

Ultimately, a well-considered material selection enhances the coupling’s durability, operational performance, and resistance to wear, ensuring that the elastic coupling can reliably function under varying conditions and loads.

elastic coupling

Backlash in Elastic Couplings

Backlash refers to the amount of play or clearance between mating components in a mechanical system, particularly in elastic couplings. In an elastic coupling, backlash is the angular movement or rotation that occurs when there is a change in direction of the input shaft without an immediate response from the output shaft.

Backlash is a result of the elasticity and flexibility of the coupling’s components, such as the elastomer or other flexible elements. When the input direction changes, the elastic elements need to overcome their deformation before transmitting torque to the output shaft. This delay can lead to a temporary loss of motion and reduced precision in positioning applications.

Backlash can have a negative impact on the accuracy, repeatability, and overall performance of a machinery system. It can result in positioning errors, reduced responsiveness, and even potential damage to the system. Therefore, minimizing backlash is crucial in applications that require high precision and responsiveness.

Engineers can address backlash in elastic couplings by selecting couplings with lower compliance, optimizing the design to minimize the flexibility of the coupling elements, and using additional components like anti-backlash devices or preloaded mechanisms.

elastic coupling

Industries Using Elastic Couplings

Elastic couplings find extensive use in various industries due to their unique benefits:

  • Industrial Manufacturing: Elastic couplings are widely used in manufacturing equipment, conveyors, and assembly lines to maintain smooth operation and reduce vibrations.
  • Automotive: Automotive applications include engine components, powertrain systems, and vehicle suspension systems where flexibility and vibration dampening are crucial.
  • Power Generation: Elastic couplings are used in power generation equipment such as generators, turbines, and pumps to absorb torsional vibrations and enhance efficiency.
  • Aerospace: In aerospace applications, elastic couplings help dampen vibrations in critical components like aircraft engines and control systems.
  • Renewable Energy: Wind turbines and solar tracking systems benefit from elastic couplings to accommodate misalignments and vibrations caused by changing wind conditions.
  • Mining: Mining equipment such as crushers, conveyors, and screens utilize elastic couplings to handle varying loads and minimize shock loads.
  • Marine: Elastic couplings are used in marine propulsion systems and ship equipment to manage torque fluctuations and reduce vibrations.

These industries rely on elastic couplings to enhance performance, extend machinery lifespan, and minimize downtime due to vibrations, misalignments, and shock loads.

China Standard Elastic Pin Shaft Coupling with Professional Manufacture  China Standard Elastic Pin Shaft Coupling with Professional Manufacture
editor by CX 2024-05-07