Product Description
XLD large torque coupling elastic coupling Jaw Coupling Flexible Shaft Coupling Rubber Coupling
Features:
XLD star-shaped flexible coupling is made of aluminum alloy as bushings and engineering plastic as an elastic element, suitable for connecting the 2 coaxial transmission shaft system.
Similar function as of XL type,but the bore dimension and outer dimension is bigger than XL type.
Technical paramters:
Star Coupling
Model: XLDType
Norminal Torque: 34N. M – 35000N. M
Connection: Shaft hole
Shaft Hole Diameter(d1,d2): 6mm – 220mm
Shaft Hole Length (L): 25mm – 195mm
The elastomer hardness is 92shA
Small dimensions, low weight and low mass moments of inertia yet transmit high torques
Running quality and long service life of the coupling are improved by accurate all-over machining
Their application is ideal for transmitting torque while damping torsional vibrations and absorbing shocks produced by the uneven operation of certain prime movers
Axial plug-in,Maintenance-free, easy assembly, easy to inspect visually
Working temperature -35~80ºC
Failsafe
Same function as CHINAMFG which is made in Germany
The bushing is made of aluminum allory or steel, which is especially suitable for heavy-duty transmission,especially suitable for lifts, rolling mills, construction machinery and Metallurgy, mining, transportation, petroleum, chemical, ships, textile, light industry, agricultural machinery, printing machines and pumps, fans, compressors, machine tools and other mechanical equipment and industry shaft transmission.
Other customized design.
Packing & shipping:
1 Prevent from damage.
2. As customers’ requirements, in perfect condition.
3. Delivery : As per contract delivery on time
4. Shipping : As per client request. We can accept CIF, Door to Door etc. or client authorized agent we supply all the necessary assistant.
FAQ:
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 the customers with customized artworks in PDF or AI format.
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: How long is your warranty?
A: Our Warranty is 12 months under normal circumstances.
Q 5: Do you have inspection procedures for coupling?
A:100% self-inspection before packing.
Q 6: Can I have a visit to your factory before the order?
A: Sure, welcome to visit our factory. /* January 22, 2571 19:08:37 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1

Recent Advancements in Rubber Coupling Technology
In recent years, rubber coupling technology has seen several advancements aimed at improving performance, durability, and overall efficiency:
- Enhanced Rubber Compounds: Development of advanced rubber compounds with improved resistance to wear, heat, chemicals, and environmental conditions.
- Advanced Manufacturing Techniques: Utilization of innovative manufacturing processes like injection molding and vulcanization to create couplings with consistent quality and higher precision.
- Improved Design: Integration of advanced design techniques and computer simulations to optimize the shape and characteristics of rubber elements, resulting in enhanced flexibility and damping properties.
- Customization: Increasing focus on offering customizable rubber couplings to meet specific application requirements and environmental conditions.
- Smart Couplings: Incorporation of sensors and monitoring systems into rubber couplings, allowing real-time tracking of coupling performance and condition.
These advancements have led to rubber couplings that offer better torque transmission, improved vibration isolation, longer service life, and reduced maintenance needs.

Handling Torque and Vibration Suppression in Rubber Couplings
Rubber couplings are designed to effectively handle both high levels of torque transmission and vibration suppression. The flexibility and damping properties of rubber make it well-suited for these purposes:
- Torque Transmission: Rubber couplings can transmit torque between shafts while accommodating angular misalignment. The rubber element flexes and deforms as torque is applied, allowing the coupling to transmit power even in misaligned conditions.
- Vibration Suppression: Rubber’s inherent damping characteristics help absorb and dissipate vibrations and shocks generated during the operation of machinery. This feature reduces the transfer of vibrations to connected components, minimizing wear and enhancing overall system performance.
Engineers select the appropriate rubber material and coupling design to ensure that the coupling can effectively handle the required torque levels and provide the desired vibration suppression. Rubber couplings find applications in various industries where torque transmission and vibration damping are critical for smooth and reliable machinery operation.

Challenges of Misaligned Rubber Couplings and Their Resolution
Misaligned rubber couplings can lead to several challenges that impact the performance and reliability of machinery. These challenges include:
1. Reduced Efficiency: Misalignment can result in increased friction, causing energy loss and reduced efficiency in power transmission.
2. Increased Wear: Misaligned rubber couplings can cause uneven wear on the coupling’s rubber element and other connected components, leading to premature failure.
3. Vibrations and Noise: Misalignment can cause vibrations and noise, which not only affect the machinery’s operation but also contribute to discomfort for operators.
4. Overloading: Misalignment can lead to uneven loading on the coupling and connected components, potentially causing overloading and damage.
5. Premature Failure: Continuous operation with misaligned couplings can accelerate wear and fatigue, leading to premature failure of the coupling and other components.
To resolve these challenges, proper alignment practices are crucial:
1. Regular Maintenance: Perform routine inspections to identify misalignment and other issues early, allowing for timely adjustments.
2. Precise Installation: Ensure accurate alignment during the installation process to prevent initial misalignment.
3. Laser Alignment: Use laser alignment tools for accurate and reliable alignment between shafts.
4. Corrective Measures: If misalignment is detected, take corrective actions promptly to restore proper alignment.
5. Balancing Loads: Distribute loads evenly across the coupling and connected components to prevent overloading.
By addressing misalignment challenges proactively and adopting appropriate maintenance practices, the longevity and performance of rubber couplings can be significantly improved, minimizing downtime and maintenance costs in industrial applications.


editor by CX 2024-04-23
China supplier HRC70 90 110 180 230 Flexible Rubber Elastic Camlock Jaw Coupling Taper Bush HRC Coupling B/F/H
Product Description
Product Description
1.Installation is quick and easy without special tools required, only a hexagonal wrench is needed.
2.Maintenance is virtually eliminated without lubrication required.
3.The electro metric element allows HRC to be suitable for use in most conditions.
4.In the unlikely event of the flexible element being destroyed, drive will be maintained by inner action of the integrally cast driving dogs.
Applications
Manufacturing
Agriculture
Building Material
Oil and Gas
Technology and Science
High Quality
Corrosion resistance
Durable, Robust and Reliable
Bad Condition Resistance
Lower Weight–High Speed
High Performance
Strong Ultimate Tensile Strength
Perfect Surface Treatment
Durable, Flexible
Detailed Photos
Applications
Conveyor: Belt conveyor.AFC conveyor.Chain conveyor.Screw conveyor.
Pump: Water pump, oil pump, slush pump,etc
Fan: Draft fan,,fanner, boiler fan,etc
Excavator: Bucket excavator. Bucket wheel excavators.Bucket wheel stacker reclaimer.
Crane: Tower crane.Gantry crane.Bridge crane.
Others: Various elevators.Coal plough.Ball mill.Crusher.Recreation machine.Blender equipment.Centrifuger.Washer.Leather-making machine.machine for recreation park mixer wire drawing machine.Extruder,dregs crusher of boiler. Plastic feeder.Rubber smelling machine.etc.
Mainly used in the mining, metallurgical, cement, chemicals, construction, building materials, electric power, telecommunications, textiles, and transportation departments
Packaging & Shipping
| Package | Standard suitable package / Pallet or container. Polybag inside export carton outside, blister and Tape and reel package available. If customers have specific requirements for the packaging, we will gladly accommodate. |
| Shipping |
10-20working days ofter payment receipt comfirmed (based on actual quantity). Professional goods shipping forward. |
Company Profile
FAQ
Q: Are you manufacturer or trading company
A: We are factory.
Q: How long is your delivery time?
A: Generally it is 5-10 days if the goods are in stock. or it is 15-20 days if the goods are not in stock, it is according to quantity.
Q: Do you provide samples ? is it free or extra ?
A: Yes, we could offer the sample for free charge but do not pay the cost of freight.
Q: What is your terms of payment ?
A: Payment=1000USD, 30% T/T in advance ,balance before shippment.
We warmly welcome friends from domestic and abroad come to us for business negotiation and cooperation for mutual benefit. To supply customers excellent quality products with good price and punctual delivery time is our responsibility. /* January 22, 2571 19:08:37 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1

Maintaining and Preserving Rubber Coupling Performance
To ensure the longevity and optimal performance of rubber couplings, the following best practices should be observed:
- Regular Inspections: Perform visual inspections for signs of wear, cracks, or damage.
- Lubrication: Apply appropriate lubricants to minimize friction and extend rubber life.
- Alignment: Maintain proper alignment between connected shafts to prevent undue stress on the coupling.
- Temperature Control: Monitor operating temperatures to prevent overheating that can accelerate rubber degradation.
- Load Monitoring: Avoid overloading the coupling beyond its rated capacity.
- Vibration Analysis: Monitor vibration levels and address excessive vibrations promptly.
- Regular Maintenance: Follow manufacturer’s recommendations for maintenance schedules.
- Replacement: Replace worn or damaged rubber elements as needed.
By adhering to these practices, the performance and service life of rubber couplings can be effectively preserved.

Industry Standards and Guidelines for Rubber Couplings
There are no specific industry standards or guidelines that exclusively govern the design and application of rubber couplings. However, various general standards and engineering practices apply to flexible couplings, including rubber couplings:
- ISO 14691: This standard provides guidelines for the installation, use, and maintenance of industrial flexible couplings, which include rubber couplings.
- AGMA 9005: The American Gear Manufacturers Association (AGMA) standard provides information on selecting lubricants and lubrication methods for flexible couplings, ensuring proper performance and longevity.
- API 671: This API standard specifies the requirements for special-purpose couplings used in petroleum, chemical, and gas industry services, which can include rubber couplings for specific applications.
- Manufacturer Recommendations: Many rubber coupling manufacturers provide guidelines, specifications, and installation instructions for their products, helping users select the right coupling and use it correctly.
Since rubber couplings fall under the category of flexible couplings, engineers and designers can follow these broader standards and best practices while considering the specific characteristics and performance requirements of rubber couplings for their applications.

Utilization of Rubber Couplings in Mechanical Systems
A rubber coupling is a type of flexible coupling that utilizes rubber elements to connect two shafts while allowing a certain degree of misalignment and vibration damping. It is commonly used in mechanical systems to transmit torque, accommodate misalignment, and reduce shock and vibration. Here’s how rubber couplings are utilized:
- Torque Transmission: Rubber couplings transmit torque from one shaft to another, enabling the transfer of power between components while allowing for slight angular, parallel, and axial misalignments.
- Misalignment Compensation: These couplings can accommodate both angular and axial misalignments, which can occur due to manufacturing tolerances, thermal expansion, or other factors. The flexibility of the rubber element helps prevent excessive loads on connected equipment.
- Vibration Damping: The elastic properties of rubber help dampen vibrations and shocks generated during the operation of rotating machinery. This prevents the transmission of harmful vibrations to other parts of the system and reduces wear and fatigue.
- Noise Reduction: Rubber couplings help reduce noise by absorbing vibrations and minimizing the transmission of sound waves through the system.
- Equipment Protection: By absorbing shocks and vibrations, rubber couplings protect sensitive equipment and components from damage, thereby extending their lifespan.
- Simple Installation: Rubber couplings are relatively easy to install and require minimal maintenance, making them a convenient choice for various applications.
- Wide Range of Applications: Rubber couplings find applications in various industries, including automotive, industrial machinery, pumps, compressors, and more.
In summary, rubber couplings are utilized in mechanical systems to transmit torque, accommodate misalignment, reduce vibration and shock, protect equipment, and enhance the overall performance and reliability of rotating machinery.


editor by CX 2024-04-22
China Custom CNC Aluminum Elastic Rubber Spider Jaw Shaft Coupler GF14*22 20*25 25*30 40*50 Shaft Flexible Coupling Ball Screw Plum Coupling
Product Description
Product Description
Coupling Deatails
Name: High precision plum blossom
coupling Model: LM-Material: Aviation Aluminum Alloy
Working temperature: -40 ° C ~ 100 ° C
Support customization: Factory direct sales support customization.
Features:
1.Intermediate Elastomer Connection-Absorbs vibration, compensates for radial, angular, and axial 2.misalignment
3.Oil resistance and electrical insulation
4.Clockwise and counterclockwise rotation characteristics are identical-there are 3 different hardness 5.elastomer
6.Fixation by clamping screw.
|
Model parameter |
ΦD |
L |
LF |
LP |
F |
M |
Tightening screw torque |
|
(N.M) |
|||||||
|
GF-14X22 |
14 |
22 |
14.3 |
6.6 |
3.8 |
M 3 |
0.7 |
|
GF-20X25 |
20 |
25 |
16.7 |
8.6 |
4 |
M 3 |
0.7 |
|
GF-20X30 |
20 |
30 |
19.25 |
8.6 |
5.3 |
M 4 |
1.7 |
|
GF-25X30 |
25 |
30 |
20.82 |
11.6 |
5.6 |
M 4 |
1.7 |
|
GF-25X34 |
25 |
34 |
22.82 |
11.6 |
5.6 |
M 4 |
1.7 |
|
GF-30X35 |
30 |
35 |
23 |
11.5 |
5.75 |
M 4 |
1.7 |
|
GF-30X40 |
30 |
40 |
25.6 |
11.5 |
10 |
M 4 |
1.7 |
|
GF-40X50 |
40 |
50 |
32.1 |
14.5 |
10 |
M 5 |
4 |
|
GF-40X55 |
40 |
55 |
34.5 |
14.5 |
10 |
M 5 |
4 |
|
GF-40X66 |
40 |
66 |
40 |
14.5 |
12.75 |
M 5 |
4 |
|
GF-55X49 |
55 |
49 |
32 |
16.1 |
13.5 |
M 6 |
8.4 |
|
GF-55X78 |
55 |
78 |
46.4 |
16.1 |
15.5 |
M 6 |
8.4 |
|
GF-65X80 |
65 |
80 |
48.5 |
17.3 |
18.1 |
M 8 |
10.5 |
|
GF-65X90 |
65 |
90 |
53.5 |
17.3 |
18.1 |
M 8 |
10.5 |
Product Parameters
Detailed Photos
/* January 22, 2571 19:08:37 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1

Minimizing Resonance and Improving Machinery Performance with Rubber Couplings
A rubber coupling can play a significant role in minimizing resonance and enhancing the overall performance of machinery by effectively damping vibrations and reducing the risk of resonance-related issues. Resonance is a phenomenon where a mechanical system’s natural frequency matches the frequency of external vibrations, leading to amplified oscillations and potential damage.
The following ways illustrate how rubber couplings contribute to minimizing resonance and improving machinery performance:
- Vibration Damping: Rubber couplings utilize the inherent damping properties of elastomers to absorb and dissipate vibrations generated during operation. These vibrations can include those caused by unbalanced loads, eccentricities, or other disturbances. By damping these vibrations, rubber couplings prevent them from building up and causing resonance.
- Vibration Isolation: Rubber couplings act as isolators by decoupling the connected components from each other. This isolation prevents vibrations from being transmitted directly from one component to another, thereby reducing the potential for resonance to occur.
- Misalignment Compensation: Rubber couplings can accommodate misalignments between shafts, which often contribute to excessive vibrations. By allowing a certain degree of misalignment, the coupling prevents additional forces that could trigger resonance.
- Reduced Stiffness: The flexibility of the elastomer elements in rubber couplings can reduce the overall stiffness of the system. A lower stiffness helps avoid the amplification of resonance by allowing some deformation of the coupling under varying loads and conditions.
- Dynamic Absorption: Rubber couplings are effective at absorbing dynamic loads, including sudden shocks or impacts. These dynamic events can excite resonance, and the coupling’s ability to absorb and disperse such forces helps prevent resonance-related issues.
By effectively dampening vibrations, isolating components, and accommodating misalignments, rubber couplings can help minimize the risk of resonance-related problems. Engineers and designers must carefully select the appropriate rubber coupling type, elastomer material, and design to match the specific machinery and operating conditions, thereby ensuring improved machinery performance and longevity.

Common Rubber Materials Used in Manufacturing Rubber Couplings
Various rubber materials are used in the manufacturing of rubber couplings, each chosen based on its specific properties and the intended application:
- Neoprene: Known for its oil and chemical resistance, neoprene rubber is used in couplings that require durability and resistance to harsh environments.
- Nitrile: Nitrile rubber offers excellent oil and fuel resistance, making it suitable for applications in machinery that involve contact with lubricants.
- Natural Rubber: Natural rubber provides good elasticity and flexibility, making it suitable for couplings requiring high levels of shock and vibration absorption.
- EPDM: Ethylene Propylene Diene Monomer (EPDM) rubber offers good resistance to weather, ozone, and aging, making it suitable for outdoor or high-temperature applications.
- Polyurethane: Polyurethane rubber offers high abrasion resistance and can handle higher load capacities, making it suitable for heavy-duty applications.
The choice of rubber material depends on factors such as the operating environment, chemical exposure, temperature range, flexibility requirements, and load conditions. Engineers select the appropriate rubber material to ensure the coupling’s performance and longevity in specific applications.

Role of Rubber Flexibility in Accommodating Misalignment
Rubber couplings are designed with a flexible element, usually made of elastomers, that plays a crucial role in accommodating misalignment between connected shafts. The flexibility of the rubber element allows it to deform and absorb angular, axial, and radial misalignments, providing several benefits:
1. Angular Misalignment: When the input and output shafts are not perfectly aligned in terms of angle, the rubber element can flex and twist, allowing the coupling to transmit torque even when the axes are not parallel.
2. Axial Misalignment: Axial misalignment occurs when the shafts move closer together or farther apart along their axis. The rubber element can compress or extend, adjusting the distance between the shafts without hindering torque transfer.
3. Radial Misalignment: Radial misalignment refers to the offset between the centers of the shafts. The rubber element can bend in response to radial displacement, ensuring that the coupling remains operational while accommodating the offset.
This flexibility not only enables the rubber coupling to handle misalignment but also helps prevent excessive stress on the connected machinery. By absorbing shock loads and distributing forces, the rubber element reduces wear and tear on components and minimizes the risk of premature failure.
In essence, the rubber’s flexibility in the coupling acts as a buffer against misalignment-induced stresses, contributing to smoother operation, improved longevity, and reduced maintenance in mechanical systems.


editor by CX 2024-04-17
China supplier Elastic Rubber Coupling for Air Compressor
Product Description
Quick Details
Place of Origin: ZheJiang , China (Mainland)
Brand Name: CHINAMFG
Model Number: ELASTIC rubber coupling G80HE rubber coupling
Application: Construction machines
Engine Model 1: for Hatz 2L/3L/4L41C 2M/3M/4M41
Engine Model 2: for Hatz W35
Engine Model 3: for Hatz 1D81/1D90 Z788/Z789/Z790
Model: ELASTIC rubber coupling G80HE rubber coupling
Machines: Excavators, bulldozers, Wheel loader flange
Description: Engine Drive Coupling
Material: Rubber, PA6
Coupling assy: Element,
HPV102, 8DC8 8DC9, TierII 522192, 60, 1,
385, 396, 415, 416, 455, 485,
VIO75, VIO70, 172187-712, 4DNV98
/* January 22, 2571 19:08:37 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1

Maintaining and Preserving Rubber Coupling Performance
To ensure the longevity and optimal performance of rubber couplings, the following best practices should be observed:
- Regular Inspections: Perform visual inspections for signs of wear, cracks, or damage.
- Lubrication: Apply appropriate lubricants to minimize friction and extend rubber life.
- Alignment: Maintain proper alignment between connected shafts to prevent undue stress on the coupling.
- Temperature Control: Monitor operating temperatures to prevent overheating that can accelerate rubber degradation.
- Load Monitoring: Avoid overloading the coupling beyond its rated capacity.
- Vibration Analysis: Monitor vibration levels and address excessive vibrations promptly.
- Regular Maintenance: Follow manufacturer’s recommendations for maintenance schedules.
- Replacement: Replace worn or damaged rubber elements as needed.
By adhering to these practices, the performance and service life of rubber couplings can be effectively preserved.

Common Rubber Materials Used in Manufacturing Rubber Couplings
Various rubber materials are used in the manufacturing of rubber couplings, each chosen based on its specific properties and the intended application:
- Neoprene: Known for its oil and chemical resistance, neoprene rubber is used in couplings that require durability and resistance to harsh environments.
- Nitrile: Nitrile rubber offers excellent oil and fuel resistance, making it suitable for applications in machinery that involve contact with lubricants.
- Natural Rubber: Natural rubber provides good elasticity and flexibility, making it suitable for couplings requiring high levels of shock and vibration absorption.
- EPDM: Ethylene Propylene Diene Monomer (EPDM) rubber offers good resistance to weather, ozone, and aging, making it suitable for outdoor or high-temperature applications.
- Polyurethane: Polyurethane rubber offers high abrasion resistance and can handle higher load capacities, making it suitable for heavy-duty applications.
The choice of rubber material depends on factors such as the operating environment, chemical exposure, temperature range, flexibility requirements, and load conditions. Engineers select the appropriate rubber material to ensure the coupling’s performance and longevity in specific applications.

Transmitting Torque and Damping Vibrations with a Rubber Coupling
A rubber coupling utilizes its flexible rubber element to achieve both torque transmission and vibration damping:
1. Torque Transmission: The rubber element connects two hubs, which are attached to the input and output shafts. As the input shaft rotates, it causes the rubber element to deform due to the applied torque. This deformation creates a shearing action within the rubber material, transmitting torque from the input to the output shaft.
2. Vibration Damping: The flexible rubber element of the coupling acts as a vibration isolator. When the coupling experiences external vibrations or shocks, the rubber absorbs the energy and dampens the vibrations before they reach the output shaft. The rubber’s elasticity and damping properties help mitigate vibrations and reduce the impact on the connected machinery, enhancing overall system performance and longevity.
This combination of torque transmission and vibration damping makes rubber couplings suitable for applications where misalignment compensation, shock absorption, and dampening of vibrations are essential, such as in pumps, compressors, HVAC systems, and various industrial machinery.


editor by CX 2024-04-17
China wholesaler CNC Aluminum Elastic Rubber Spider Jaw Shaft Coupler GF14*22 20*25 25*30 40*50 Shaft Flexible Coupling Ball Screw Plum Coupling
Product Description
Product Description
Coupling Deatails
Name: High precision plum blossom
coupling Model: LM-Material: Aviation Aluminum Alloy
Working temperature: -40 ° C ~ 100 ° C
Support customization: Factory direct sales support customization.
Features:
1.Intermediate Elastomer Connection-Absorbs vibration, compensates for radial, angular, and axial 2.misalignment
3.Oil resistance and electrical insulation
4.Clockwise and counterclockwise rotation characteristics are identical-there are 3 different hardness 5.elastomer
6.Fixation by clamping screw.
|
Model parameter |
ΦD |
L |
LF |
LP |
F |
M |
Tightening screw torque |
|
(N.M) |
|||||||
|
GF-14X22 |
14 |
22 |
14.3 |
6.6 |
3.8 |
M 3 |
0.7 |
|
GF-20X25 |
20 |
25 |
16.7 |
8.6 |
4 |
M 3 |
0.7 |
|
GF-20X30 |
20 |
30 |
19.25 |
8.6 |
5.3 |
M 4 |
1.7 |
|
GF-25X30 |
25 |
30 |
20.82 |
11.6 |
5.6 |
M 4 |
1.7 |
|
GF-25X34 |
25 |
34 |
22.82 |
11.6 |
5.6 |
M 4 |
1.7 |
|
GF-30X35 |
30 |
35 |
23 |
11.5 |
5.75 |
M 4 |
1.7 |
|
GF-30X40 |
30 |
40 |
25.6 |
11.5 |
10 |
M 4 |
1.7 |
|
GF-40X50 |
40 |
50 |
32.1 |
14.5 |
10 |
M 5 |
4 |
|
GF-40X55 |
40 |
55 |
34.5 |
14.5 |
10 |
M 5 |
4 |
|
GF-40X66 |
40 |
66 |
40 |
14.5 |
12.75 |
M 5 |
4 |
|
GF-55X49 |
55 |
49 |
32 |
16.1 |
13.5 |
M 6 |
8.4 |
|
GF-55X78 |
55 |
78 |
46.4 |
16.1 |
15.5 |
M 6 |
8.4 |
|
GF-65X80 |
65 |
80 |
48.5 |
17.3 |
18.1 |
M 8 |
10.5 |
|
GF-65X90 |
65 |
90 |
53.5 |
17.3 |
18.1 |
M 8 |
10.5 |
Product Parameters
Detailed Photos
/* January 22, 2571 19:08:37 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1

Impact of Elastomer Element Design on Rubber Coupling Performance
The design of the elastomer elements in a rubber coupling plays a critical role in determining its overall performance and capabilities. The elastomer elements are the heart of the coupling, responsible for transmitting torque, absorbing vibrations, and accommodating misalignments. The following aspects of elastomer element design significantly impact the coupling’s performance:
- Elastomer Material: The choice of elastomer material influences the coupling’s flexibility, damping characteristics, and resistance to wear. Different elastomers offer varying levels of resilience, chemical resistance, and temperature tolerance. Common elastomers used include natural rubber, synthetic rubber compounds, and polyurethane.
- Elastomer Hardness (Durometer): The durometer hardness of the elastomer affects its flexibility and ability to absorb vibrations. Softer elastomers have higher damping capabilities but may offer less torsional stiffness. Harder elastomers provide better torque transmission but may have reduced vibration isolation.
- Elastomer Shape and Geometry: The shape and geometry of the elastomer elements influence their flexibility and deformation characteristics. Different designs, such as cylindrical, star-shaped, or spider-shaped elements, affect the coupling’s ability to accommodate misalignments and transmit torque smoothly.
- Elastomer Bonding: The way the elastomer is bonded to the coupling’s hubs or inserts impacts the coupling’s overall durability and reliability. Proper bonding ensures that the elastomer effectively transfers torque and maintains its properties over time.
- Elastomer Properties Over Temperature: Elastomers can exhibit changes in performance with temperature fluctuations. Understanding how the chosen elastomer material behaves at different temperatures is essential for applications with varying operating conditions.
The design of the elastomer elements is a delicate balance between providing flexibility for vibration isolation and misalignment compensation while ensuring adequate torque transmission and overall coupling stiffness. Engineers must carefully select elastomer materials and design features based on the specific requirements of the application to achieve optimal coupling performance.

Handling Torque and Vibration Suppression in Rubber Couplings
Rubber couplings are designed to effectively handle both high levels of torque transmission and vibration suppression. The flexibility and damping properties of rubber make it well-suited for these purposes:
- Torque Transmission: Rubber couplings can transmit torque between shafts while accommodating angular misalignment. The rubber element flexes and deforms as torque is applied, allowing the coupling to transmit power even in misaligned conditions.
- Vibration Suppression: Rubber’s inherent damping characteristics help absorb and dissipate vibrations and shocks generated during the operation of machinery. This feature reduces the transfer of vibrations to connected components, minimizing wear and enhancing overall system performance.
Engineers select the appropriate rubber material and coupling design to ensure that the coupling can effectively handle the required torque levels and provide the desired vibration suppression. Rubber couplings find applications in various industries where torque transmission and vibration damping are critical for smooth and reliable machinery operation.

Types of Rubber Couplings Designed for Specific Uses
There are several types of rubber couplings, each designed with specific characteristics to suit various applications:
- Flexible Jaw Couplings: These couplings consist of two hubs connected by a flexible rubber element. They are commonly used in applications where misalignment, vibrations, and shocks need to be dampened, such as in pumps, fans, and compressors.
- Oldham Couplings: Oldham couplings use a rubber disk as the intermediate element between two hubs. They provide compensation for misalignment while maintaining a constant velocity between input and output shafts, often used in printing, packaging, and CNC machinery.
- Tyre Couplings: These couplings have a high degree of torsional flexibility and are suitable for applications with substantial misalignment and shock absorption requirements, like in heavy-duty machinery and construction equipment.
- Pin and Bush Couplings: These couplings use rubber bushes to provide vibration isolation and accommodate misalignment. They are used in various industrial applications, including conveyors, mixers, and crushers.
- Diaphragm Couplings: Diaphragm couplings use a flexible rubber diaphragm to transmit torque and compensate for misalignment. They are commonly found in precision equipment like servo motors and robotics.
Each type of rubber coupling is designed to address specific needs in different applications. The choice of coupling depends on factors such as the degree of misalignment, torque requirements, shock absorption, and the level of precision needed.


editor by CX 2024-04-12
China OEM CNC Aluminum Elastic Rubber Spider Jaw Shaft Coupler GF14*22 20*25 25*30 40*50 Shaft Flexible Coupling Ball Screw Plum Coupling
Product Description
Product Description
Coupling Deatails
Name: High precision plum blossom
coupling Model: LM-Material: Aviation Aluminum Alloy
Working temperature: -40 ° C ~ 100 ° C
Support customization: Factory direct sales support customization.
Features:
1.Intermediate Elastomer Connection-Absorbs vibration, compensates for radial, angular, and axial 2.misalignment
3.Oil resistance and electrical insulation
4.Clockwise and counterclockwise rotation characteristics are identical-there are 3 different hardness 5.elastomer
6.Fixation by clamping screw.
|
Model parameter |
ΦD |
L |
LF |
LP |
F |
M |
Tightening screw torque |
|
(N.M) |
|||||||
|
GF-14X22 |
14 |
22 |
14.3 |
6.6 |
3.8 |
M 3 |
0.7 |
|
GF-20X25 |
20 |
25 |
16.7 |
8.6 |
4 |
M 3 |
0.7 |
|
GF-20X30 |
20 |
30 |
19.25 |
8.6 |
5.3 |
M 4 |
1.7 |
|
GF-25X30 |
25 |
30 |
20.82 |
11.6 |
5.6 |
M 4 |
1.7 |
|
GF-25X34 |
25 |
34 |
22.82 |
11.6 |
5.6 |
M 4 |
1.7 |
|
GF-30X35 |
30 |
35 |
23 |
11.5 |
5.75 |
M 4 |
1.7 |
|
GF-30X40 |
30 |
40 |
25.6 |
11.5 |
10 |
M 4 |
1.7 |
|
GF-40X50 |
40 |
50 |
32.1 |
14.5 |
10 |
M 5 |
4 |
|
GF-40X55 |
40 |
55 |
34.5 |
14.5 |
10 |
M 5 |
4 |
|
GF-40X66 |
40 |
66 |
40 |
14.5 |
12.75 |
M 5 |
4 |
|
GF-55X49 |
55 |
49 |
32 |
16.1 |
13.5 |
M 6 |
8.4 |
|
GF-55X78 |
55 |
78 |
46.4 |
16.1 |
15.5 |
M 6 |
8.4 |
|
GF-65X80 |
65 |
80 |
48.5 |
17.3 |
18.1 |
M 8 |
10.5 |
|
GF-65X90 |
65 |
90 |
53.5 |
17.3 |
18.1 |
M 8 |
10.5 |
Product Parameters
Detailed Photos
/* January 22, 2571 19:08:37 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1

Durometer Hardness in Rubber Coupling Materials
Durometer hardness is a measure of the material’s resistance to indentation or penetration by a specified indenter. In rubber couplings, durometer hardness is a critical characteristic that influences their performance. It is typically measured using a durometer instrument.
The durometer hardness scale commonly used for rubber materials is the Shore durometer scale, indicated by a letter followed by a numerical value (e.g., Shore A, Shore D). Lower durometer values indicate softer and more flexible rubber, while higher values indicate harder and less flexible rubber.
In relation to rubber couplings:
- Higher Durometer (Harder Rubber): Couplings made from harder rubber materials have better torque transmission capabilities and higher load-bearing capacity. However, they may offer less vibration isolation and misalignment compensation.
- Lower Durometer (Softer Rubber): Couplings made from softer rubber materials provide greater flexibility, vibration damping, and misalignment compensation. They are suitable for applications where vibration reduction is crucial.
The choice of durometer hardness depends on the specific requirements of the application, including torque levels, vibration, misalignment, and desired performance characteristics.

Industries and Applications of Rubber Couplings
Rubber couplings are widely utilized in various industries and applications where their unique characteristics are beneficial. Some examples include:
- Automotive: Rubber couplings are commonly used in automotive drivetrains to connect the engine to the transmission and other components. They help absorb engine vibrations and shocks, enhancing passenger comfort.
- Pumping Systems: Rubber couplings find applications in pumps and fluid handling systems, where they dampen vibrations and reduce wear on connected equipment.
- Material Handling: Conveyor systems and material handling equipment use rubber couplings to minimize vibrations and shock loads during the movement of materials.
- Industrial Machinery: Rubber couplings are employed in various types of industrial machinery, such as compressors, generators, and gearboxes, to ensure smooth torque transmission and vibration isolation.
- Marine: In marine applications, rubber couplings connect propulsion systems and power transmission components, contributing to the overall reliability and performance of vessels.
- Renewable Energy: Wind turbines and solar tracking systems utilize rubber couplings to absorb dynamic loads and vibrations caused by changing wind conditions.
These examples highlight the versatility and importance of rubber couplings in maintaining efficient and reliable operation across a wide range of industries and applications.

Transmitting Torque and Damping Vibrations with a Rubber Coupling
A rubber coupling utilizes its flexible rubber element to achieve both torque transmission and vibration damping:
1. Torque Transmission: The rubber element connects two hubs, which are attached to the input and output shafts. As the input shaft rotates, it causes the rubber element to deform due to the applied torque. This deformation creates a shearing action within the rubber material, transmitting torque from the input to the output shaft.
2. Vibration Damping: The flexible rubber element of the coupling acts as a vibration isolator. When the coupling experiences external vibrations or shocks, the rubber absorbs the energy and dampens the vibrations before they reach the output shaft. The rubber’s elasticity and damping properties help mitigate vibrations and reduce the impact on the connected machinery, enhancing overall system performance and longevity.
This combination of torque transmission and vibration damping makes rubber couplings suitable for applications where misalignment compensation, shock absorption, and dampening of vibrations are essential, such as in pumps, compressors, HVAC systems, and various industrial machinery.


editor by CX 2024-04-08
China Hot selling Elastic Rubber Coupling for Air Compressor
Product Description
Quick Details
Place of Origin: ZheJiang , China (Mainland)
Brand Name: CHINAMFG
Model Number: ELASTIC rubber coupling G80HE rubber coupling
Application: Construction machines
Engine Model 1: for Hatz 2L/3L/4L41C 2M/3M/4M41
Engine Model 2: for Hatz W35
Engine Model 3: for Hatz 1D81/1D90 Z788/Z789/Z790
Model: ELASTIC rubber coupling G80HE rubber coupling
Machines: Excavators, bulldozers, Wheel loader flange
Description: Engine Drive Coupling
Material: Rubber, PA6
Coupling assy: Element,
HPV102, 8DC8 8DC9, TierII 522192, 60, 1,
385, 396, 415, 416, 455, 485,
VIO75, VIO70, 172187-712, 4DNV98
/* January 22, 2571 19:08:37 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1

Recent Advancements in Rubber Coupling Technology
In recent years, rubber coupling technology has seen several advancements aimed at improving performance, durability, and overall efficiency:
- Enhanced Rubber Compounds: Development of advanced rubber compounds with improved resistance to wear, heat, chemicals, and environmental conditions.
- Advanced Manufacturing Techniques: Utilization of innovative manufacturing processes like injection molding and vulcanization to create couplings with consistent quality and higher precision.
- Improved Design: Integration of advanced design techniques and computer simulations to optimize the shape and characteristics of rubber elements, resulting in enhanced flexibility and damping properties.
- Customization: Increasing focus on offering customizable rubber couplings to meet specific application requirements and environmental conditions.
- Smart Couplings: Incorporation of sensors and monitoring systems into rubber couplings, allowing real-time tracking of coupling performance and condition.
These advancements have led to rubber couplings that offer better torque transmission, improved vibration isolation, longer service life, and reduced maintenance needs.

Signs of Wear or Deterioration in Rubber Couplings
Rubber couplings can show signs of wear and deterioration over time due to factors like torque, temperature, and environmental conditions. To identify potential issues, watch out for the following signs:
- Visible Cracks or Damage: Inspect the rubber element for visible cracks, tears, or physical damage. Such issues can weaken the coupling’s torque transmission and vibration damping capabilities.
- Reduced Flexibility: Stiff or less flexible rubber indicates material degradation, which can impact the coupling’s ability to accommodate misalignment and absorb vibrations.
- Increased Vibrations: Excessive machinery vibrations may suggest worn-out rubber couplings. Deterioration of the rubber diminishes its vibration dampening properties.
- Unusual Noises: Any unusual sounds like squeaking or knocking might point to improper rubber coupling function and the need for inspection.
- Altered Performance: Decline in machinery performance, such as reduced torque transmission or higher energy consumption, can indicate coupling wear.
Regular inspections, visual checks, vibration analysis, and performance monitoring can help detect wear and deterioration early. This enables timely replacement and avoids operational problems.

Factors to Consider When Selecting a Rubber Coupling
Choosing the right rubber coupling for a specific application involves considering various factors:
1. Torque Requirements: Evaluate the torque that needs to be transmitted between the input and output shafts. Select a coupling with a rubber element that can handle the required torque without exceeding its limits.
2. Misalignment Compensation: Determine the degree of misalignment (angular, axial, and radial) present in the system. Choose a rubber coupling with appropriate flexibility to accommodate the expected misalignment while maintaining efficient torque transmission.
3. Vibration Damping: Assess the level of vibrations and shocks in the application. Opt for a rubber coupling with effective vibration-damping properties to protect the machinery and enhance its reliability.
4. Service Environment: Consider the operating conditions, including temperature, humidity, exposure to chemicals, and potential contaminants. Select a rubber material that can withstand the environment without deteriorating.
5. Shaft Sizes: Ensure that the coupling’s bore sizes match the shaft diameters of the connected equipment. Proper shaft fitment is crucial for efficient torque transmission.
6. Maintenance Requirements: Evaluate the maintenance practices of the system. Some rubber couplings may require periodic inspection and replacement due to wear over time.
7. Cost and Budget: Factor in the budget constraints while choosing a suitable rubber coupling. Balancing performance and cost is essential for an optimal solution.
8. Application Type: Different industries and applications have unique requirements. Choose a coupling type (spider, jaw, tire, etc.) based on the specific needs of the application.
By carefully considering these factors, you can select a rubber coupling that provides efficient torque transmission, vibration isolation, and durability in your mechanical system.


editor by CX 2024-04-08
China high quality Jaw Coupling Ltq Type Rubber Pin Flexible Elastic Pin Bush Coupling Shaft Coupling
Product Description
Jaw Coupling LTQ Type Rubber Pin Flexible Elastic Pin Bush Coupling Shaft Coupling
Description:
FCL coupling is widely used for its compact designing,easy installation,convenientmaintenance,small size and light weight.As long as the’relative displacement between shafts is kept within the specified tolerance,the coupling will operate the best function and a longer working life,thus it is greatly demanded in medium and minorpower transmission systems drive by moters,such as speed reducers,hoists,compressor,spining &weaving machines and ball mills,permittable relative displacement:Radial displacement 0.2-0.6mm ; Angel displacemente 0o30′–1o30′
Features:
1. Maintenance, a FCLcoupling doesn’t need maintenance.
2. Environmental, elastic components make FCL coupling applies to a variety of working conditions.
3. Reliable transmission, in case of elastic component is damaged, the coupling spider still keep the transmission processing reliably.
4. Economic, FCL couplings have already been made of optimization design,which make transmission power match the transmission shaft diameter.
5. Good recovery capacity, elastic components can reduce the load at the CHINAMFG moments, and the deviation is a major consideration when designing.
6. Adaptability of misalignment, FCL coupling contains parallel shift, angle shift and axis shift which happen some times.
Parameters:
Applications:
Conveyor: Belt conveyor.AFC conveyor.Chain conveyor.Screw conveyor.
Pump: Water pump, oil pump, slush pump,etc
Fan: Draft fan,fanner, boiler fan,etc
Excavator: Bucket excavator. Bucket wheel excavators.Bucket wheel stacker reclaimer.
Crane: Tower crane.Gantry crane.Bridge crane.
Others: Various elevators.Coal plough.Ball mill.Crusher.Recreation machine.Blender equipment.Centrifuger.Washer.Leather-making machine.
Packing & shipping:
1 Prevent from damage.
2. As customers’ requirements, in perfect condition.
3. Delivery : As per contract delivery on time
4. Shipping : As per client request. We can accept CIF, Door to Door etc. or client authorized agent we supply all the necessary assistant.
FAQ:
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 the customers with customized artworks in PDF or AI format.
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: How long is your warranty?
A: Our Warranty is 12 months under normal circumstances.
Q 5: Do you have inspection procedures for coupling?
A:100% self-inspection before packing.
Q 6: Can I have a visit to your factory before the order?
A: Sure, welcome to visit our factory. /* January 22, 2571 19:08:37 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1

Minimizing Resonance and Improving Machinery Performance with Rubber Couplings
A rubber coupling can play a significant role in minimizing resonance and enhancing the overall performance of machinery by effectively damping vibrations and reducing the risk of resonance-related issues. Resonance is a phenomenon where a mechanical system’s natural frequency matches the frequency of external vibrations, leading to amplified oscillations and potential damage.
The following ways illustrate how rubber couplings contribute to minimizing resonance and improving machinery performance:
- Vibration Damping: Rubber couplings utilize the inherent damping properties of elastomers to absorb and dissipate vibrations generated during operation. These vibrations can include those caused by unbalanced loads, eccentricities, or other disturbances. By damping these vibrations, rubber couplings prevent them from building up and causing resonance.
- Vibration Isolation: Rubber couplings act as isolators by decoupling the connected components from each other. This isolation prevents vibrations from being transmitted directly from one component to another, thereby reducing the potential for resonance to occur.
- Misalignment Compensation: Rubber couplings can accommodate misalignments between shafts, which often contribute to excessive vibrations. By allowing a certain degree of misalignment, the coupling prevents additional forces that could trigger resonance.
- Reduced Stiffness: The flexibility of the elastomer elements in rubber couplings can reduce the overall stiffness of the system. A lower stiffness helps avoid the amplification of resonance by allowing some deformation of the coupling under varying loads and conditions.
- Dynamic Absorption: Rubber couplings are effective at absorbing dynamic loads, including sudden shocks or impacts. These dynamic events can excite resonance, and the coupling’s ability to absorb and disperse such forces helps prevent resonance-related issues.
By effectively dampening vibrations, isolating components, and accommodating misalignments, rubber couplings can help minimize the risk of resonance-related problems. Engineers and designers must carefully select the appropriate rubber coupling type, elastomer material, and design to match the specific machinery and operating conditions, thereby ensuring improved machinery performance and longevity.

Signs of Wear or Deterioration in Rubber Couplings
Rubber couplings can show signs of wear and deterioration over time due to factors like torque, temperature, and environmental conditions. To identify potential issues, watch out for the following signs:
- Visible Cracks or Damage: Inspect the rubber element for visible cracks, tears, or physical damage. Such issues can weaken the coupling’s torque transmission and vibration damping capabilities.
- Reduced Flexibility: Stiff or less flexible rubber indicates material degradation, which can impact the coupling’s ability to accommodate misalignment and absorb vibrations.
- Increased Vibrations: Excessive machinery vibrations may suggest worn-out rubber couplings. Deterioration of the rubber diminishes its vibration dampening properties.
- Unusual Noises: Any unusual sounds like squeaking or knocking might point to improper rubber coupling function and the need for inspection.
- Altered Performance: Decline in machinery performance, such as reduced torque transmission or higher energy consumption, can indicate coupling wear.
Regular inspections, visual checks, vibration analysis, and performance monitoring can help detect wear and deterioration early. This enables timely replacement and avoids operational problems.

Challenges of Misaligned Rubber Couplings and Their Resolution
Misaligned rubber couplings can lead to several challenges that impact the performance and reliability of machinery. These challenges include:
1. Reduced Efficiency: Misalignment can result in increased friction, causing energy loss and reduced efficiency in power transmission.
2. Increased Wear: Misaligned rubber couplings can cause uneven wear on the coupling’s rubber element and other connected components, leading to premature failure.
3. Vibrations and Noise: Misalignment can cause vibrations and noise, which not only affect the machinery’s operation but also contribute to discomfort for operators.
4. Overloading: Misalignment can lead to uneven loading on the coupling and connected components, potentially causing overloading and damage.
5. Premature Failure: Continuous operation with misaligned couplings can accelerate wear and fatigue, leading to premature failure of the coupling and other components.
To resolve these challenges, proper alignment practices are crucial:
1. Regular Maintenance: Perform routine inspections to identify misalignment and other issues early, allowing for timely adjustments.
2. Precise Installation: Ensure accurate alignment during the installation process to prevent initial misalignment.
3. Laser Alignment: Use laser alignment tools for accurate and reliable alignment between shafts.
4. Corrective Measures: If misalignment is detected, take corrective actions promptly to restore proper alignment.
5. Balancing Loads: Distribute loads evenly across the coupling and connected components to prevent overloading.
By addressing misalignment challenges proactively and adopting appropriate maintenance practices, the longevity and performance of rubber couplings can be significantly improved, minimizing downtime and maintenance costs in industrial applications.


editor by CX 2024-04-04
China Standard Gr90 Gr100 Gr140 Red Yellow Shaft Coupling Rubber PU Elastic Buffer
Product Description
Product Description
China factory high quality GR90 GR100 GR140 red yellow Shaft Coupling Rubber PU Elastic Buffer
Polyurethane or called PU, Urethane is 1 of the strongest, toughest and most durable materials for making custom urethane parts and custom urethane products.
Our company can produce and supply cast polyurethane elastomer, which has excellent chemical characters: oil resistant, CHINAMFG resistant, aging resistant, corrosion resistant, hydrolysis resistant, heat and cold resistant, etc. Also polyurethane has excellent physical characters: high tear resistant, high impact resistant, high elasticity, high load-bearing resistant, etc. Compared to rubber, plastic and other material, polyurethane offers perfect mechanical properties.
With our in-house mold making capabilities, and 3D printer, we’re able to easily manufacture precise shapes cost-effectively.
Polyurethane products mainly include: Polyurethane block of coal plates, polyurethane scraper, etc., to meet different customer needs, special orders can be made as drawing and sample.
Custom Polyurethane PU Part as per your design.
1. Material: PU Polyurethane or rubber
2. Size: According to your drawing or sample.
3. Color: Black, white, Transparent, gray, green, yellow, blue, red and so on.
Hand Cast Mold Polyurethane Parts PU Coupling Cushion, PU spider, PU coupling:
1. Most of the plastic corrosion resistance is strong, does not react with acid, alkali.
2. Plastic manufacturing cost is low.
3. Durable, waterproof, light.
4. Easy to be with molding into different shapes.
5. Is a good insulator.
6. Plastic can be used for the preparation of fuel oil and fuel gas, so that we can reduce oil consumption
|
Product Name |
Hand Cast Mold Polyurethane Parts PU Coupling Cushion, PU spider, PU coupling |
|
Material |
PU, ABS, PC, PP, PS, POM, PMMA, PBT, PVC, PA6, PA66, PA66+30% GF, PTFE, PC+ABS, TPE, etc |
|
Surface Finish |
Color painting,Texture, Silk-printing, Vacuum coating, rubber coating, etc. |
|
Cavity Variety: |
One-stop solution,Multi-cavity mold,Family plastic mold,Hot runner plastic mold |
|
Quality Control |
ISO/TS16949:2002 and ISO14001:2004 system |
|
Business Scope |
Mold and parts designing and making,Parts machining,Injection molding, CNC prototype manufacturing |
|
Mold Processing |
CNC EDM machine processing then assembly and trial |
|
Color |
Red, blue, green, yellow,all pantone colors and RAL colors |
Besides plum CHINAMFG pad, or called GR mat, polyurethane sprockets, coupling cushion gasket, etc, we also can customize various PU products according to your drawing. Some cases are below:
Product Parameters
|
Feature: |
1.Abrasion resistant, High rebound, High load capacity |
|||
|
Advantage: |
Wear resistance,Tensile strength, Anti-static, High load capacity , Temperature resistant ,Mechanical formulation ,Oil resistance |
|||
|
Application: |
– Machine parts |
|||
Company Profile
HangZhou CITY SANSHI RUBBER CO.,LTD.
Was founded in 1980,we are located in HangZhou HangZhou city, ZheJiang province of China,
covers 9000 square meters,with more than hundred workemates and 30 sets of machinery equipment.
Rubber Oil seal are our major products also with customerized rubber parts , Rubber gaskets, Rubber damping blocks,Rubber sealing strip, Rubber sealing band,Polyurethane parts,Plastic Products, Bakelite Products , ring, Hardware stamping parts.
Our advantages
1. Various material.
2. We are direct factory, so small order quantity is acceptable and lots of samples are free.
3. There are about 8000 sets of moulds are free.
4. Our factory locates in the north of China, the cheaper labor cost brings us lower production cost.
5. With more than 30-year experience, we could supply you suitable solutions.
FAQ
Q1: Are you trading company or manufacturer?
We are a manufacturer specializing in rubber & plastic products.
Q2: Can I have a sample order for the product?
Yes, we welcome sample order to test and check quality.
Q3: Do you provide OEM/ODM service?
Yes, OEM/ODM are welcome.
Q4: I want to know more information, what should I do?
Welcome talk with us online or leave a message. Besides, you can also contact us by Email.
We will reply to you within 24 hours on weekdays.
Q5: What about the lead time?
Sample needs 5-7 days, mass production time is subject to your quantity. 15-20 days to deliver 1×20″ container of roof flashing for
instance.
Q6: Is it OK to print my logo on the product?
Yes. Please inform us formally before our production and confirm the design firstly based on our sample.
material: Polyurethane,
color: white, black, yellew, orange
feature: wearable, high qualtiy and best price
T type plum 6 corner pump pad
Performance and application:
This product is suitable for the pump and the drive mechanism to connect the elastic buffer.
Use temperature: 0C ~+80 0C -40
Product hardness: 5.75A + 5 +
Gauge: T200 – T40
Cars, tractors gearbox seal with nitrile rubber, its poor performance. Instead polyurethane elastomer seals, has good flexibility, water resistance, elasticity, abrasion resistance, low temperature resistance and mechanical strength.
custom-made is welcome, and the mold charge is for free.
| Material available | NBR, HNBR(H), HNBR(X), EPDM, NR,SBR, ACM,CFR,VMQ, CR,FKM(V), FFKM(K), PU, ECO,AFLAC |
| Mold | We can make mold by ourselves with competitive price, And if the quantity is up to 1000 pcs, the mold is for free. And more, for various oil seal, we have more than 10,000 molds in stock. |
| Size range | From 10mm to 2000mm Diameter |
| Weight range of products | 5g to 20kg |
| Colors available | Red, orange, yellow, green, blue, gray, purple, brown, milk color |
| processing equipment | Rubber molding machines, rubber injection machines, extruding machines. |
More about our company :
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Diagnosing and Troubleshooting Rubber Coupling Issues
Diagnosing and troubleshooting problems with rubber couplings in machinery systems involves a systematic approach:
- Visual Inspection: Check for signs of wear, cracking, or deformation in the rubber elements.
- Vibration Analysis: Monitor vibration levels using sensors to identify excessive vibrations or irregular patterns.
- Noise Assessment: Listen for unusual noises during operation, which could indicate misalignment or worn components.
- Temperature Check: Monitor the operating temperature of the coupling, as overheating might indicate issues.
- Alignment Check: Ensure proper alignment between connected shafts to prevent excessive stress on the coupling.
- Torque Measurement: Measure the transmitted torque to identify any discrepancies from the expected values.
- Dynamic Testing: Conduct dynamic tests with load variations to identify performance issues.
- Comparative Analysis: Compare coupling behavior to baseline performance data.
If any issues are identified, they should be promptly addressed through proper maintenance, realignment, or replacement of damaged components.

Comparison of Rubber Couplings with Other Flexible Coupling Types
Rubber couplings, elastomeric couplings, and disc couplings are all flexible coupling options used in various mechanical systems. Here’s a comparison of rubber couplings with these alternatives:
Rubber Couplings:
- Transmit torque while damping vibrations through the flexibility of rubber elements.
- Provide good misalignment compensation and shock absorption.
- Relatively simple construction and cost-effective.
- Effective in reducing noise and vibration in applications.
- Suitable for moderate to high torque applications with moderate misalignment.
Elastomeric Couplings:
- Similar to rubber couplings, utilize elastomeric materials for flexibility and vibration damping.
- Offer higher torque capacity and stiffness compared to rubber couplings.
- Provide better misalignment compensation and torsional stiffness.
- Wider range of sizes and configurations for various applications.
- Commonly used in pumps, compressors, and other machinery.
Disc Couplings:
- Use a series of metal discs to transmit torque and accommodate misalignment.
- Offer high torsional stiffness and accuracy in torque transmission.
- Can handle higher speeds and torque compared to rubber or elastomeric couplings.
- Require precision in manufacturing and installation.
- Used in applications requiring high precision and minimal backlash.
When choosing between these flexible coupling types, considerations such as torque requirements, misalignment compensation, torsional stiffness, and application-specific needs play a significant role in making the appropriate selection. Each type has its advantages and limitations, making it important to assess the specific requirements of the machinery system.

Factors to Consider When Selecting a Rubber Coupling
Choosing the right rubber coupling for a specific application involves considering various factors:
1. Torque Requirements: Evaluate the torque that needs to be transmitted between the input and output shafts. Select a coupling with a rubber element that can handle the required torque without exceeding its limits.
2. Misalignment Compensation: Determine the degree of misalignment (angular, axial, and radial) present in the system. Choose a rubber coupling with appropriate flexibility to accommodate the expected misalignment while maintaining efficient torque transmission.
3. Vibration Damping: Assess the level of vibrations and shocks in the application. Opt for a rubber coupling with effective vibration-damping properties to protect the machinery and enhance its reliability.
4. Service Environment: Consider the operating conditions, including temperature, humidity, exposure to chemicals, and potential contaminants. Select a rubber material that can withstand the environment without deteriorating.
5. Shaft Sizes: Ensure that the coupling’s bore sizes match the shaft diameters of the connected equipment. Proper shaft fitment is crucial for efficient torque transmission.
6. Maintenance Requirements: Evaluate the maintenance practices of the system. Some rubber couplings may require periodic inspection and replacement due to wear over time.
7. Cost and Budget: Factor in the budget constraints while choosing a suitable rubber coupling. Balancing performance and cost is essential for an optimal solution.
8. Application Type: Different industries and applications have unique requirements. Choose a coupling type (spider, jaw, tire, etc.) based on the specific needs of the application.
By carefully considering these factors, you can select a rubber coupling that provides efficient torque transmission, vibration isolation, and durability in your mechanical system.


editor by CX 2024-04-04
China Hot selling CNC Aluminum Elastic Rubber Spider Jaw Shaft Coupler GF14*22 20*25 25*30 40*50 Shaft Flexible Coupling Ball Screw Plum Coupling
Product Description
Product Description
Coupling Deatails
Name: High precision plum blossom
coupling Model: LM-Material: Aviation Aluminum Alloy
Working temperature: -40 ° C ~ 100 ° C
Support customization: Factory direct sales support customization.
Features:
1.Intermediate Elastomer Connection-Absorbs vibration, compensates for radial, angular, and axial 2.misalignment
3.Oil resistance and electrical insulation
4.Clockwise and counterclockwise rotation characteristics are identical-there are 3 different hardness 5.elastomer
6.Fixation by clamping screw.
|
Model parameter |
ΦD |
L |
LF |
LP |
F |
M |
Tightening screw torque |
|
(N.M) |
|||||||
|
GF-14X22 |
14 |
22 |
14.3 |
6.6 |
3.8 |
M 3 |
0.7 |
|
GF-20X25 |
20 |
25 |
16.7 |
8.6 |
4 |
M 3 |
0.7 |
|
GF-20X30 |
20 |
30 |
19.25 |
8.6 |
5.3 |
M 4 |
1.7 |
|
GF-25X30 |
25 |
30 |
20.82 |
11.6 |
5.6 |
M 4 |
1.7 |
|
GF-25X34 |
25 |
34 |
22.82 |
11.6 |
5.6 |
M 4 |
1.7 |
|
GF-30X35 |
30 |
35 |
23 |
11.5 |
5.75 |
M 4 |
1.7 |
|
GF-30X40 |
30 |
40 |
25.6 |
11.5 |
10 |
M 4 |
1.7 |
|
GF-40X50 |
40 |
50 |
32.1 |
14.5 |
10 |
M 5 |
4 |
|
GF-40X55 |
40 |
55 |
34.5 |
14.5 |
10 |
M 5 |
4 |
|
GF-40X66 |
40 |
66 |
40 |
14.5 |
12.75 |
M 5 |
4 |
|
GF-55X49 |
55 |
49 |
32 |
16.1 |
13.5 |
M 6 |
8.4 |
|
GF-55X78 |
55 |
78 |
46.4 |
16.1 |
15.5 |
M 6 |
8.4 |
|
GF-65X80 |
65 |
80 |
48.5 |
17.3 |
18.1 |
M 8 |
10.5 |
|
GF-65X90 |
65 |
90 |
53.5 |
17.3 |
18.1 |
M 8 |
10.5 |
Product Parameters
Detailed Photos
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Recent Advancements in Rubber Coupling Technology
In recent years, rubber coupling technology has seen several advancements aimed at improving performance, durability, and overall efficiency:
- Enhanced Rubber Compounds: Development of advanced rubber compounds with improved resistance to wear, heat, chemicals, and environmental conditions.
- Advanced Manufacturing Techniques: Utilization of innovative manufacturing processes like injection molding and vulcanization to create couplings with consistent quality and higher precision.
- Improved Design: Integration of advanced design techniques and computer simulations to optimize the shape and characteristics of rubber elements, resulting in enhanced flexibility and damping properties.
- Customization: Increasing focus on offering customizable rubber couplings to meet specific application requirements and environmental conditions.
- Smart Couplings: Incorporation of sensors and monitoring systems into rubber couplings, allowing real-time tracking of coupling performance and condition.
These advancements have led to rubber couplings that offer better torque transmission, improved vibration isolation, longer service life, and reduced maintenance needs.

Handling Torque and Vibration Suppression in Rubber Couplings
Rubber couplings are designed to effectively handle both high levels of torque transmission and vibration suppression. The flexibility and damping properties of rubber make it well-suited for these purposes:
- Torque Transmission: Rubber couplings can transmit torque between shafts while accommodating angular misalignment. The rubber element flexes and deforms as torque is applied, allowing the coupling to transmit power even in misaligned conditions.
- Vibration Suppression: Rubber’s inherent damping characteristics help absorb and dissipate vibrations and shocks generated during the operation of machinery. This feature reduces the transfer of vibrations to connected components, minimizing wear and enhancing overall system performance.
Engineers select the appropriate rubber material and coupling design to ensure that the coupling can effectively handle the required torque levels and provide the desired vibration suppression. Rubber couplings find applications in various industries where torque transmission and vibration damping are critical for smooth and reliable machinery operation.

Challenges of Misaligned Rubber Couplings and Their Resolution
Misaligned rubber couplings can lead to several challenges that impact the performance and reliability of machinery. These challenges include:
1. Reduced Efficiency: Misalignment can result in increased friction, causing energy loss and reduced efficiency in power transmission.
2. Increased Wear: Misaligned rubber couplings can cause uneven wear on the coupling’s rubber element and other connected components, leading to premature failure.
3. Vibrations and Noise: Misalignment can cause vibrations and noise, which not only affect the machinery’s operation but also contribute to discomfort for operators.
4. Overloading: Misalignment can lead to uneven loading on the coupling and connected components, potentially causing overloading and damage.
5. Premature Failure: Continuous operation with misaligned couplings can accelerate wear and fatigue, leading to premature failure of the coupling and other components.
To resolve these challenges, proper alignment practices are crucial:
1. Regular Maintenance: Perform routine inspections to identify misalignment and other issues early, allowing for timely adjustments.
2. Precise Installation: Ensure accurate alignment during the installation process to prevent initial misalignment.
3. Laser Alignment: Use laser alignment tools for accurate and reliable alignment between shafts.
4. Corrective Measures: If misalignment is detected, take corrective actions promptly to restore proper alignment.
5. Balancing Loads: Distribute loads evenly across the coupling and connected components to prevent overloading.
By addressing misalignment challenges proactively and adopting appropriate maintenance practices, the longevity and performance of rubber couplings can be significantly improved, minimizing downtime and maintenance costs in industrial applications.


editor by CX 2024-03-30