Tag Archives: Shaft

China manufacturer 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

rubber coupling

Diagnosing and Troubleshooting Rubber Coupling Issues

Diagnosing and troubleshooting problems with rubber couplings in machinery systems involves a systematic approach:

  1. Visual Inspection: Check for signs of wear, cracking, or deformation in the rubber elements.
  2. Vibration Analysis: Monitor vibration levels using sensors to identify excessive vibrations or irregular patterns.
  3. Noise Assessment: Listen for unusual noises during operation, which could indicate misalignment or worn components.
  4. Temperature Check: Monitor the operating temperature of the coupling, as overheating might indicate issues.
  5. Alignment Check: Ensure proper alignment between connected shafts to prevent excessive stress on the coupling.
  6. Torque Measurement: Measure the transmitted torque to identify any discrepancies from the expected values.
  7. Dynamic Testing: Conduct dynamic tests with load variations to identify performance issues.
  8. 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.

rubber coupling

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.

rubber coupling

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.

China manufacturer CNC Aluminum Elastic Rubber Spider Jaw Shaft Coupler GF14*22 20*25 25*30 40*50 Shaft Flexible Coupling Ball Screw Plum Coupling China manufacturer CNC Aluminum Elastic Rubber Spider Jaw Shaft Coupler GF14*22 20*25 25*30 40*50 Shaft Flexible Coupling Ball Screw Plum Coupling
editor by CX 2024-04-24

China Standard Xld Large Torque Coupling Elastic Coupling Jaw Coupling Flexible Shaft Coupling Rubber Coupling

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

rubber coupling

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.

rubber coupling

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.

rubber coupling

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.

China Standard Xld Large Torque Coupling Elastic Coupling Jaw Coupling Flexible Shaft Coupling Rubber Coupling China Standard Xld Large Torque Coupling Elastic Coupling Jaw Coupling Flexible Shaft Coupling Rubber Coupling
editor by CX 2024-04-23

China Best Sales Original Excavator Parts Coupling CF-a Series Rubber Flexible Torsionally Steel Universal Shaft Coupling for Centaflex

Product Description

Original Excavator Parts Coupling CF-a Series Rubber Flexible Torsionally Steel Universal Shaft Coupling for Centafle

Product Display:                                                                                                                                                        
 

 Model  Outer Diameter(mm)  Inner Diameter(mm)  Hight(mm)  Diameter from Hole to Hole(mm)  Weight(kg)
4A/4AS 103 53 28 68 0.18
8A/8AS 134 71 32 88 0.26
16A/16AS 160 80 41 110 0.54
22A/22AS 165 86 41 128 0.66
25A/25AS 183 102 46 123 0.78
28A/AS         0.88
30A/30AS 213 117 57 145 1.28
50A/50AS 220 123 57 165 1.48
80A/80As 225 120 65 167 1.92
90A/90As 278 148 70 190 3.1
140A/140AS 285 151 71 215 3.42
250A/250AS         6.6
284B         6.34
4, 4655134, EX3, ZAX460MTH, ZAX480MTH, 4636444, ZX470-3, EX470, ZAX470, ZAX450-3, ZAX450-3F, ZAX5, Atlas Copco,,

 

AC 385,  AC 396, AC415, AC416, AC 455, AC485,

AC 486,  AC86, AC836, AC976, AC 6-712, 4DNV98

Chinese Brand Excavators: 

LGK: 6085, 200

CLG 60, 205, 220, 906, 907, 908, 920, 925, 936, CLG906C, CLG922LG

YC50-8, YC60-8, YC60-8, YC135-8, YC230, YC230-8, YC230LC-8, YC360, YC85, YC50,  YC85-7, YC60-7, YC135

SW50, 60, 70, 150

FR85-7, FR65, FR80, FR150-7,

ZL 60, 205, 230, 360 

SY55, SY60, SY215, SY230, SY210, SY220, SY310 
 

/* 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

rubber coupling

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.

rubber coupling

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.

rubber coupling

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.

China Best Sales Original Excavator Parts Coupling CF-a Series Rubber Flexible Torsionally Steel Universal Shaft Coupling for Centaflex China Best Sales Original Excavator Parts Coupling CF-a Series Rubber Flexible Torsionally Steel Universal Shaft Coupling for Centaflex
editor by CX 2024-04-22

China Good quality Hot Sale Spider Coupling Rubber for Flexible Pump Shaft Coupling

Product Description

Hot Sale Spider Coupling Rubber For Flexible Pump Shaft Coupling

HangZhou CHINAMFG Industry Co., Ltd. introduces a new standard polyurethane material for its spiders, offering enhanced performance and durability. The improved material is designed to withstand higher temperatures, ensuring a longer service life compared to the previous polyurethane material.

Our spider couplings are highly customizable, allowing users to tailor the performance to their specific application needs. The spiders are available in 3 durometers, providing options for different levels of dampening and torsional stiffness. Choose from 85 Shore A for maximum dampening, 92 Shore A for a balance of dampening and torsional stiffness, or 98 Shore A for a small amount of dampening and the highest torsional stiffness.

With stand offs on the spider limbs, our couplings make installation easier by maintaining proper spacing between the 2 hubs. This ensures electrical isolation and enables full angular misalignment capabilities.

Designed as the wear element of the coupling, the spiders can be easily replaced, making it a cost-effective solution while restoring the full performance abilities of the coupling.

Size GE19 GE24 GE28 GE38 GE42 GE48 GE55 GE65 GE75 GE90 GE100 GE110 GE125 GE140 GE160 GE180
Material Rubber/PU
Colour Yellow, Red
Spider Hardness Yel1ow: 92SHA; Blue: 95SHA; Red: 98SHA
Packing Plastic film, plastic bag, Bubble bag, Color Box, Blister card…etc

/* 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

rubber coupling

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.

rubber coupling

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.

rubber coupling

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.

China Good quality Hot Sale Spider Coupling Rubber for Flexible Pump Shaft Coupling China Good quality Hot Sale Spider Coupling Rubber for Flexible Pump Shaft Coupling
editor by CX 2024-04-19

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

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rubber coupling

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.

rubber coupling

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.

rubber coupling

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.

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 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
editor by CX 2024-04-17

China best Manufacturers Multiple Types/Size Flexible Coupling Rubber Shaft Coupling 16as for Excavator Coupling

Product Description

Manufacturers Multiple Types/Size Flexible Coupling rubber shaft coupling 16AS for excavator coupling
Our main products:
steel cover lock, filter, oil grid, pump, cylinder head, crankshaft, camshaft, connecting rod, connecting rod bearing, valve, plunger, nozzle, exhaust valve, engine assembly, intake pump , fan blade, engine preheater, radiator, intake valve, main bearing, crankshaft bearing, nozzle, nozzle pipe, oil pump, piston, piston pin, piston ring, plunger, valve seat, thrust bearing, valve guide, valve Seats, valve seals, gasket sets, water pumps, turbochargers, generators, starters, sensors…

Please click here>>>>Contact us for more factory price,shipping and discounts

ENGINE CUSHION
NO. LB NO. Model OEM NO. Name NO. LB NO. Model OEM NO. Name NO. LB NO. Model OEM NO. Name
1 KLB-Q3001 PC40 105*53*10 ENGINE CUSHION 15 KLB-Q3015 E312
FRONT		 95*28*16 ENGINE CUSHION 29 KLB-Q3571 SK230 90*45*21 ENGINE CUSHION
2 KLB-Q3002 PC120-6 4D102 82*46*18 ENGINE CUSHION 16 KLB-Q3016 EX312
REAR		 95*29*17 ENGINE CUSHION 30 KLB-Q3030 HD250 59*31*13 ENGINE CUSHION
3 KLB-Q3003 PC200-3 124*68*45
205-01-71111		 ENGINE CUSHION 17 KLB-Q3017 ZAX230
FRONT		 95*28*16 ENGINE CUSHION 31 KLB-Q3031 HD450
FRONT		 97*15*19 ENGINE CUSHION
4 KLB-Q3004 PC200-5/6
FRONT		 80*46*19
20Y-01-12210		 ENGINE CUSHION 18 KLB-Q3018 E320B 110*40*22 ENGINE CUSHION 32 KLB-Q3032 HD450
REAR		 118*36*19 ENGINE CUSHION
5 KLB-Q3005 PC200-5
REAR		 130*73*25
20Y-01-12221		 ENGINE CUSHION 19 KLB-Q3019 E330B 136*44*25 ENGINE CUSHION 33 KLB-Q3033 LS120 87*42*17 ENGINE CUSHION
6 KLB-Q3006 PC200-6
6D102		 20Y-01-12222 ENGINE CUSHION 20 KLB-Q3571 DH220-3
FRONT		 68*70*12 ENGINE CUSHION 34 KLB-Q3034 LS280
FRONT		 86*23*16 ENGINE CUSHION
7 KLB-Q3007 EX200   ENGINE CUSHION 21 KLB-Q3571 DH220-3
REAR		 110*105*14 ENGINE CUSHION 35 KLB-Q3035 LS280
REAR		 96*25*16 ENGINE CUSHION
8 KLB-Q3008 EX200-5
REAR		 167*110*14 ENGINE CUSHION 22 KLB-Q3571 DH220-5 104*74*19 ENGINE CUSHION 36 KLB-Q3036 SH60
SH65		 120*110*12 ENGINE CUSHION
9 KLB-Q3009 EX200-6
REAR		 175*135*16 ENGINE CUSHION 23 KLB-Q3571 DH280
FRONT		 165*200*16 ENGINE CUSHION 37 KLB-Q3037 6D22
FRONT		 70*35*21 ENGINE CUSHION
10 KLB-Q3571 EX200
FRONT		 120*155*14 ENGINE CUSHION 24 KLB-Q3571 DH280
REAR		 200*110*20 ENGINE CUSHION 38 KLB-Q3038 6D22
REAR		 95*41*22 ENGINE CUSHION
11 KLB-Q3011 EX200
REAR		 165*105*14 ENGINE CUSHION 25 KLB-Q3571 SK60
FRONT		 98*103*12 ENGINE CUSHION 39 KLB-Q3039 DH55
FRONT		 100*48*17 ENGINE CUSHION
12 KLB-Q3012 EX200 126*100*11 ENGINE CUSHION 26 KLB-Q3026 SK60
REAR		 98*103*16 ENGINE CUSHION 40 KLB-Q3040 SH200A3 137*160*16 ENGINE CUSHION
13 KLB-Q3013 EX300
FRONT		 87*35*20 ENGINE CUSHION 27 KLB-Q3571 SK120
FRONT		 100*15*19 ENGINE CUSHION          
14 KLB-Q3014 EX300
REAR		 110*39*22 ENGINE CUSHION 28 KLB-Q3571 SK120
FEAR		 100*47*19 ENGINE CUSHION          

COUPLING
NO. LB NO. Model OEM NO. Name NO. LB NO. Model OEM NO. Name NO. LB NO. Model OEM NO. Name
1 KLB-Q2001   25H  162*92 COUPLING 22 KLB-Q2571 16A 155*76 COUPLING 43 KLB-Q2043 S32S 235*97 COUPLING
2 KLB-Q2002 MS110 DH55 30H 195*105 COUPLING  23 KLB-Q2571 16AS 155*76 COUPLING 44 KLB-Q2044 S25S 163*58 COUPLING
3 KLB-Q2003 30H  195*105 COUPLING ASSY 24 KLB-Q2571 22A 153*76 COUPLING 45 KLB-Q2045 E200B 14T     COUPLING
4 KLB-Q2004 EX200-2 40H 170*90 COUPLING 25 KLB-Q2571 25A 185*102 COUPLING 46 KLB-Q2046 50AC 14T  205*40 COUPLING
5 KLB-Q2005 40H   170*90 COUPLING ASSY 26 KLB-Q2026 25AS 185*102 COUPLING 47 KLB-Q2047 SH280   COUPLING
6 KLB-Q2006 45H  183*92 COUPLING 27 KLB-Q2571 28A 178*93 COUPLING 48 KLB-Q2048 E200B  12T   COUPLING
7 KLB-Q2007 45H 183*92 COUPLING ASSY 28 KLB-Q2571 28AS 178*93 COUPLING 49 KLB-Q2049 50AM  16T 205*45 COUPLING
8 KLB-Q2008 90H  203*107 COUPLING 29 KLB-Q2571 30A 215*118 COUPLING 50 KLB-Q2050 SH200 14T  205*40 COUPLING
9 KLB-Q2009 90H  203*107 COUPLING ASSY 30 KLB-Q2030 30AS 215*118 COUPLING 51 KLB-Q2051 E330C 350*145 COUPLING
10 KLB-Q2571 50H  195*110 COUPLING 31 KLB-Q2031 50A 205*108 COUPLING 52 KLB-Q2052 E330C   COUPLING
11 KLB-Q2011 50H   195*110 COUPLING ASSY 32 KLB-Q2032 50AS  205*108 COUPLING 53 KLB-Q2053 168mm*48m 26T 3H   COUPLING
12 KLB-Q2012 110H  215*110 COUPLING 33 KLB-Q2033 90A 272*140 COUPLING 54 KLB-Q2054 242mm*72mm 50T 8H   COUPLING
13 KLB-Q2013 110H 215*110 COUPLING ASSY 34 KLB-Q2034 90AS 272*140 COUPLING 55 KLB-Q2055 295mm*161mm 48T 12H   COUPLING
14 KLB-Q2014 140H  245*125 COUPLING 35 KLB-Q2035 140A 262*132 COUPLING 56 KLB-Q2056 352mm*161mm 48T 8H   COUPLING
15 KLB-Q2015 140H   245*125 COUPLING ASSY 36 KLB-Q2036 140AS 262*132 COUPLING 57 KLB-Q2057 352mm*161mm 46T 8H   COUPLING
16 KLB-Q2016 160H  255*134 COUPLING 37 KLB-Q2037 E300B  16T  278*54 COUPLING 58 KLB-Q2058 318mm*72mm 50T 8H   COUPLING
17 KLB-Q2017 160H  255*134 COUPLING ASSY 38 KLB-Q2038 E450 16T 360*52 COUPLING 59 KLB-Q2059 315mm 42T   COUPLING
18 KLB-Q2018 4A 104*53 COUPLING 39 KLB-Q2039 SH430   12T  205*35 COUPLING 60 KLB-Q2060 268mm*100mm 42T 6H   COUPLING
19 KLB-Q2019 4AS 104*53 COUPLING 40 KLB-Q2040 SH200 14T  205*40 COUPLING 61 KLB-Q2061 167mm*90mm 47T 3H   COUPLING
20 KLB-Q2571 8A 130*70 COUPLING 41 KLB-Q2041 50ASM  20T  205*40 COUPLING 62 KLB-Q2062 182mm 42T    COUPLING
21 KLB-Q2571 8AS 130*70 COUPLING 42 KLB-Q2042 SH160(SH60)  15T 173*22 COUPLING 63 KLB-Q2063 220mm 46T    COUPLING

1Q:What is your brand?
1A:Our own brand: Mita Group and its range of excavator parts.

2Q:Do you have your own factory? Can we have a visit?
2A:Absolutely, you are alwayswelcome to visit our factory.

3Q:How do you control the quality of the products?
3A:Our factory was obtained the ISO9001CERTIFICATE.Every process of the production is strictly controlled. And all products will be inspected by QC before shipment.

4Q:How long is the delivery time?
4A:2 to 7 days for ex-stock orders. 15 to 30 days for production.

5Q:Can we print our company logo onproduct and package?
5A:Yes, but the quantity of the order is required. And we need you to offer the Trademark Authorization to us.

6Q:Can you provide OEM BRAND package?
6A:Sorry, we can only offer our company ACT BRAND package or neutral packing,blank package ifyou need, and the Buyers’ Brand as authorized.7Q:How long is the warranty period?7A:3 months /* 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

rubber coupling

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.

rubber coupling

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.

rubber coupling

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.

China best Manufacturers Multiple Types/Size Flexible Coupling Rubber Shaft Coupling 16as for Excavator Coupling China best Manufacturers Multiple Types/Size Flexible Coupling Rubber Shaft Coupling 16as for Excavator Coupling
editor by CX 2024-04-15

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

rubber coupling

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.

rubber coupling

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.

rubber coupling

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.

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 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
editor by CX 2024-04-12

China Custom Manufacturers Multiple Types/Size Flexible Coupling Rubber Shaft Coupling 16as for Excavator Coupling

Product Description

Manufacturers Multiple Types/Size Flexible Coupling rubber shaft coupling 16AS for excavator coupling
Our main products:
steel cover lock, filter, oil grid, pump, cylinder head, crankshaft, camshaft, connecting rod, connecting rod bearing, valve, plunger, nozzle, exhaust valve, engine assembly, intake pump , fan blade, engine preheater, radiator, intake valve, main bearing, crankshaft bearing, nozzle, nozzle pipe, oil pump, piston, piston pin, piston ring, plunger, valve seat, thrust bearing, valve guide, valve Seats, valve seals, gasket sets, water pumps, turbochargers, generators, starters, sensors…

Please click here>>>>Contact us for more factory price,shipping and discounts

ENGINE CUSHION
NO. LB NO. Model OEM NO. Name NO. LB NO. Model OEM NO. Name NO. LB NO. Model OEM NO. Name
1 KLB-Q3001 PC40 105*53*10 ENGINE CUSHION 15 KLB-Q3015 E312
FRONT		 95*28*16 ENGINE CUSHION 29 KLB-Q3571 SK230 90*45*21 ENGINE CUSHION
2 KLB-Q3002 PC120-6 4D102 82*46*18 ENGINE CUSHION 16 KLB-Q3016 EX312
REAR		 95*29*17 ENGINE CUSHION 30 KLB-Q3030 HD250 59*31*13 ENGINE CUSHION
3 KLB-Q3003 PC200-3 124*68*45
205-01-71111		 ENGINE CUSHION 17 KLB-Q3017 ZAX230
FRONT		 95*28*16 ENGINE CUSHION 31 KLB-Q3031 HD450
FRONT		 97*15*19 ENGINE CUSHION
4 KLB-Q3004 PC200-5/6
FRONT		 80*46*19
20Y-01-12210		 ENGINE CUSHION 18 KLB-Q3018 E320B 110*40*22 ENGINE CUSHION 32 KLB-Q3032 HD450
REAR		 118*36*19 ENGINE CUSHION
5 KLB-Q3005 PC200-5
REAR		 130*73*25
20Y-01-12221		 ENGINE CUSHION 19 KLB-Q3019 E330B 136*44*25 ENGINE CUSHION 33 KLB-Q3033 LS120 87*42*17 ENGINE CUSHION
6 KLB-Q3006 PC200-6
6D102		 20Y-01-12222 ENGINE CUSHION 20 KLB-Q3571 DH220-3
FRONT		 68*70*12 ENGINE CUSHION 34 KLB-Q3034 LS280
FRONT		 86*23*16 ENGINE CUSHION
7 KLB-Q3007 EX200   ENGINE CUSHION 21 KLB-Q3571 DH220-3
REAR		 110*105*14 ENGINE CUSHION 35 KLB-Q3035 LS280
REAR		 96*25*16 ENGINE CUSHION
8 KLB-Q3008 EX200-5
REAR		 167*110*14 ENGINE CUSHION 22 KLB-Q3571 DH220-5 104*74*19 ENGINE CUSHION 36 KLB-Q3036 SH60
SH65		 120*110*12 ENGINE CUSHION
9 KLB-Q3009 EX200-6
REAR		 175*135*16 ENGINE CUSHION 23 KLB-Q3571 DH280
FRONT		 165*200*16 ENGINE CUSHION 37 KLB-Q3037 6D22
FRONT		 70*35*21 ENGINE CUSHION
10 KLB-Q3571 EX200
FRONT		 120*155*14 ENGINE CUSHION 24 KLB-Q3571 DH280
REAR		 200*110*20 ENGINE CUSHION 38 KLB-Q3038 6D22
REAR		 95*41*22 ENGINE CUSHION
11 KLB-Q3011 EX200
REAR		 165*105*14 ENGINE CUSHION 25 KLB-Q3571 SK60
FRONT		 98*103*12 ENGINE CUSHION 39 KLB-Q3039 DH55
FRONT		 100*48*17 ENGINE CUSHION
12 KLB-Q3012 EX200 126*100*11 ENGINE CUSHION 26 KLB-Q3026 SK60
REAR		 98*103*16 ENGINE CUSHION 40 KLB-Q3040 SH200A3 137*160*16 ENGINE CUSHION
13 KLB-Q3013 EX300
FRONT		 87*35*20 ENGINE CUSHION 27 KLB-Q3571 SK120
FRONT		 100*15*19 ENGINE CUSHION          
14 KLB-Q3014 EX300
REAR		 110*39*22 ENGINE CUSHION 28 KLB-Q3571 SK120
FEAR		 100*47*19 ENGINE CUSHION          

COUPLING
NO. LB NO. Model OEM NO. Name NO. LB NO. Model OEM NO. Name NO. LB NO. Model OEM NO. Name
1 KLB-Q2001   25H  162*92 COUPLING 22 KLB-Q2571 16A 155*76 COUPLING 43 KLB-Q2043 S32S 235*97 COUPLING
2 KLB-Q2002 MS110 DH55 30H 195*105 COUPLING  23 KLB-Q2571 16AS 155*76 COUPLING 44 KLB-Q2044 S25S 163*58 COUPLING
3 KLB-Q2003 30H  195*105 COUPLING ASSY 24 KLB-Q2571 22A 153*76 COUPLING 45 KLB-Q2045 E200B 14T     COUPLING
4 KLB-Q2004 EX200-2 40H 170*90 COUPLING 25 KLB-Q2571 25A 185*102 COUPLING 46 KLB-Q2046 50AC 14T  205*40 COUPLING
5 KLB-Q2005 40H   170*90 COUPLING ASSY 26 KLB-Q2026 25AS 185*102 COUPLING 47 KLB-Q2047 SH280   COUPLING
6 KLB-Q2006 45H  183*92 COUPLING 27 KLB-Q2571 28A 178*93 COUPLING 48 KLB-Q2048 E200B  12T   COUPLING
7 KLB-Q2007 45H 183*92 COUPLING ASSY 28 KLB-Q2571 28AS 178*93 COUPLING 49 KLB-Q2049 50AM  16T 205*45 COUPLING
8 KLB-Q2008 90H  203*107 COUPLING 29 KLB-Q2571 30A 215*118 COUPLING 50 KLB-Q2050 SH200 14T  205*40 COUPLING
9 KLB-Q2009 90H  203*107 COUPLING ASSY 30 KLB-Q2030 30AS 215*118 COUPLING 51 KLB-Q2051 E330C 350*145 COUPLING
10 KLB-Q2571 50H  195*110 COUPLING 31 KLB-Q2031 50A 205*108 COUPLING 52 KLB-Q2052 E330C   COUPLING
11 KLB-Q2011 50H   195*110 COUPLING ASSY 32 KLB-Q2032 50AS  205*108 COUPLING 53 KLB-Q2053 168mm*48m 26T 3H   COUPLING
12 KLB-Q2012 110H  215*110 COUPLING 33 KLB-Q2033 90A 272*140 COUPLING 54 KLB-Q2054 242mm*72mm 50T 8H   COUPLING
13 KLB-Q2013 110H 215*110 COUPLING ASSY 34 KLB-Q2034 90AS 272*140 COUPLING 55 KLB-Q2055 295mm*161mm 48T 12H   COUPLING
14 KLB-Q2014 140H  245*125 COUPLING 35 KLB-Q2035 140A 262*132 COUPLING 56 KLB-Q2056 352mm*161mm 48T 8H   COUPLING
15 KLB-Q2015 140H   245*125 COUPLING ASSY 36 KLB-Q2036 140AS 262*132 COUPLING 57 KLB-Q2057 352mm*161mm 46T 8H   COUPLING
16 KLB-Q2016 160H  255*134 COUPLING 37 KLB-Q2037 E300B  16T  278*54 COUPLING 58 KLB-Q2058 318mm*72mm 50T 8H   COUPLING
17 KLB-Q2017 160H  255*134 COUPLING ASSY 38 KLB-Q2038 E450 16T 360*52 COUPLING 59 KLB-Q2059 315mm 42T   COUPLING
18 KLB-Q2018 4A 104*53 COUPLING 39 KLB-Q2039 SH430   12T  205*35 COUPLING 60 KLB-Q2060 268mm*100mm 42T 6H   COUPLING
19 KLB-Q2019 4AS 104*53 COUPLING 40 KLB-Q2040 SH200 14T  205*40 COUPLING 61 KLB-Q2061 167mm*90mm 47T 3H   COUPLING
20 KLB-Q2571 8A 130*70 COUPLING 41 KLB-Q2041 50ASM  20T  205*40 COUPLING 62 KLB-Q2062 182mm 42T    COUPLING
21 KLB-Q2571 8AS 130*70 COUPLING 42 KLB-Q2042 SH160(SH60)  15T 173*22 COUPLING 63 KLB-Q2063 220mm 46T    COUPLING

1Q:What is your brand?
1A:Our own brand: Mita Group and its range of excavator parts.

2Q:Do you have your own factory? Can we have a visit?
2A:Absolutely, you are alwayswelcome to visit our factory.

3Q:How do you control the quality of the products?
3A:Our factory was obtained the ISO9001CERTIFICATE.Every process of the production is strictly controlled. And all products will be inspected by QC before shipment.

4Q:How long is the delivery time?
4A:2 to 7 days for ex-stock orders. 15 to 30 days for production.

5Q:Can we print our company logo onproduct and package?
5A:Yes, but the quantity of the order is required. And we need you to offer the Trademark Authorization to us.

6Q:Can you provide OEM BRAND package?
6A:Sorry, we can only offer our company ACT BRAND package or neutral packing,blank package ifyou need, and the Buyers’ Brand as authorized.7Q:How long is the warranty period?7A:3 months /* 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

rubber coupling

Suitability of Rubber Couplings for High-Speed Rotation and Varying Loads

Rubber couplings are generally well-suited for applications involving high-speed rotation and varying loads, thanks to their unique properties and design features.

High-Speed Rotation: Rubber couplings can effectively handle high-speed rotation due to their inherent flexibility and damping characteristics. The elastomeric material used in rubber couplings helps absorb and dissipate vibrations that can occur at high speeds, contributing to smoother operation and reduced wear on connected machinery components.

Varying Loads: Rubber couplings are capable of accommodating varying loads due to their ability to deform under stress. The flexibility of rubber allows it to absorb shocks and impacts caused by changes in load, preventing damage to connected equipment. This feature is particularly beneficial in applications where sudden changes in load can occur, such as in industrial machinery.

However, it’s important to consider the specific requirements of the application. While rubber couplings provide excellent vibration isolation and misalignment compensation, they may not offer the same level of torsional rigidity as some other coupling types. In cases where precise torque transmission is crucial, and minimal torsional deflection is required, other coupling options might be more suitable.

Overall, rubber couplings can provide reliable performance in applications involving high-speed rotation and varying loads, especially when the benefits of vibration damping and misalignment compensation are essential.

rubber coupling

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.

rubber coupling

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.

China Custom Manufacturers Multiple Types/Size Flexible Coupling Rubber Shaft Coupling 16as for Excavator Coupling China Custom Manufacturers Multiple Types/Size Flexible Coupling Rubber Shaft Coupling 16as for Excavator Coupling
editor by CX 2024-04-11

China Professional Original Excavator Parts Coupling CF-a Series Rubber Flexible Torsionally Steel Universal Shaft Coupling for Centaflex

Product Description

Original Excavator Parts Coupling CF-a Series Rubber Flexible Torsionally Steel Universal Shaft Coupling for Centafle

Product Display:                                                                                                                                                        
 

 Model  Outer Diameter(mm)  Inner Diameter(mm)  Hight(mm)  Diameter from Hole to Hole(mm)  Weight(kg)
4A/4AS 103 53 28 68 0.18
8A/8AS 134 71 32 88 0.26
16A/16AS 160 80 41 110 0.54
22A/22AS 165 86 41 128 0.66
25A/25AS 183 102 46 123 0.78
28A/AS         0.88
30A/30AS 213 117 57 145 1.28
50A/50AS 220 123 57 165 1.48
80A/80As 225 120 65 167 1.92
90A/90As 278 148 70 190 3.1
140A/140AS 285 151 71 215 3.42
250A/250AS         6.6
284B         6.34
4, 4655134, EX3, ZAX460MTH, ZAX480MTH, 4636444, ZX470-3, EX470, ZAX470, ZAX450-3, ZAX450-3F, ZAX5, Atlas Copco,,

 

AC 385,  AC 396, AC415, AC416, AC 455, AC485,

AC 486,  AC86, AC836, AC976, AC 6-712, 4DNV98

Chinese Brand Excavators: 

LGK: 6085, 200

CLG 60, 205, 220, 906, 907, 908, 920, 925, 936, CLG906C, CLG922LG

YC50-8, YC60-8, YC60-8, YC135-8, YC230, YC230-8, YC230LC-8, YC360, YC85, YC50,  YC85-7, YC60-7, YC135

SW50, 60, 70, 150

FR85-7, FR65, FR80, FR150-7,

ZL 60, 205, 230, 360 

SY55, SY60, SY215, SY230, SY210, SY220, SY310 
 

/* 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

rubber coupling

Suitability of Rubber Couplings for High-Speed Rotation and Varying Loads

Rubber couplings are generally well-suited for applications involving high-speed rotation and varying loads, thanks to their unique properties and design features.

High-Speed Rotation: Rubber couplings can effectively handle high-speed rotation due to their inherent flexibility and damping characteristics. The elastomeric material used in rubber couplings helps absorb and dissipate vibrations that can occur at high speeds, contributing to smoother operation and reduced wear on connected machinery components.

Varying Loads: Rubber couplings are capable of accommodating varying loads due to their ability to deform under stress. The flexibility of rubber allows it to absorb shocks and impacts caused by changes in load, preventing damage to connected equipment. This feature is particularly beneficial in applications where sudden changes in load can occur, such as in industrial machinery.

However, it’s important to consider the specific requirements of the application. While rubber couplings provide excellent vibration isolation and misalignment compensation, they may not offer the same level of torsional rigidity as some other coupling types. In cases where precise torque transmission is crucial, and minimal torsional deflection is required, other coupling options might be more suitable.

Overall, rubber couplings can provide reliable performance in applications involving high-speed rotation and varying loads, especially when the benefits of vibration damping and misalignment compensation are essential.

rubber coupling

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.

rubber coupling

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.

China Professional Original Excavator Parts Coupling CF-a Series Rubber Flexible Torsionally Steel Universal Shaft Coupling for Centaflex China Professional Original Excavator Parts Coupling CF-a Series Rubber Flexible Torsionally Steel Universal Shaft Coupling for Centaflex
editor by CX 2024-04-10

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

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rubber coupling

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.

rubber coupling

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.

rubber coupling

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.

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 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
editor by CX 2024-04-08