Tag Archives: supplier shaft

China supplier Flexible Shaft Coupling Jaw Type Coupling

Product Description

Product Name

Flexible Shaft Coupling Jaw Type Coupling


Aluminum alloy,stainless steel,brass

Surface treatment

Natural color anode

Customized service

Support light customization and logo customization


The default engraving brand name and size of the product. If you need not engraving, please contact the customer service for comments

Packaging Details Carton box with anti-static package,carton plus with wooden case.
Main Products Shaft Parts, Timing Belt Pulley, Gears, CNC Machining Parts, Sheet Metal Fabrication
Certifications(2) ISO9001:2015, IPMS
Applicable Industries Building Material Shops, Manufacturing Plant, Food & Beverage Factory, Farms
Supply Ability 100000 Piece/Pieces per Month
Dimension oem provided
Surface finish anodized
Lead Time 25 days
Application Furniture,cabinet
Custom OEM and ODM services are welcome,we can make cutom LOGO and products according to customer’s requests.
Quality control Our Finished product inspection,Warranty available
service Swiss machining;deburring;lathe/turning;5 axis;micromachining
silver,gold,black,red,bulue,and according to the customer requests.

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flexible coupling

Can flexible couplings be used in servo motor and stepper motor applications?

Yes, flexible couplings are commonly used in both servo motor and stepper motor applications. They play a crucial role in connecting the motor shaft to the driven load while compensating for misalignments and providing other essential benefits:

  • Servo Motor Applications: Servo motors require precise motion control and high responsiveness. Flexible couplings are well-suited for servo motor applications because they offer the following advantages:
  • Misalignment Compensation: Servo motors are sensitive to misalignments, which can lead to decreased performance and increased wear. Flexible couplings can accommodate angular, parallel, and axial misalignments, ensuring that the motor and driven load remain properly aligned during operation.
  • Vibration Damping: Flexible couplings help reduce vibrations, which is crucial for servo motor applications that require smooth and precise motion. By absorbing and dissipating vibrations, flexible couplings contribute to the overall stability and accuracy of the system.
  • Backlash Minimization: Some flexible couplings have minimal to no backlash, making them suitable for high-precision servo motor applications where any play or clearance between components could affect performance.
  • High Torque Capacity: Servo motors often require high torque transmission capabilities. Flexible couplings are available in various designs and materials, allowing for the selection of couplings with appropriate torque ratings for specific servo motor applications.
  • Stepper Motor Applications: Stepper motors are commonly used in open-loop control systems where precise positioning is necessary. Flexible couplings are used in stepper motor applications due to the following reasons:
  • Misalignment Tolerance: Stepper motors can experience misalignments, especially in dynamic applications. Flexible couplings can handle misalignments without introducing significant backlash or affecting the stepper motor’s accuracy.
  • Cost-Effectiveness: Flexible couplings are often more cost-effective than other types of couplings, making them a practical choice for stepper motor applications, especially in cases where precision requirements are not as stringent as in servo motor systems.
  • Shock Load Absorption: Some stepper motor applications involve abrupt starts and stops, leading to shock loads. Flexible couplings can absorb these shocks and protect the motor and driven load from damage.
  • Simplicity: Flexible couplings are simple in design and easy to install, making them a popular choice in various stepper motor applications.

Overall, flexible couplings offer valuable benefits in both servo motor and stepper motor applications. They help improve system performance, reduce wear on components, and enhance the overall reliability of the motion control systems they are employed in.

flexible coupling

Can flexible couplings be used in power generation equipment, such as turbines and generators?

Yes, flexible couplings are commonly used in power generation equipment, including turbines and generators. These critical components of power generation systems require reliable and efficient shaft connections to transfer power from the prime mover (e.g., steam turbine, gas turbine, or internal combustion engine) to the electricity generator.

Flexible couplings play a vital role in power generation equipment for the following reasons:

  • Misalignment Compensation: Power generation machinery often experiences misalignment due to factors like thermal expansion, settling, and foundation shifts. Flexible couplings can accommodate these misalignments, reducing the stress on shafts and minimizing wear on connected components.
  • Vibration Dampening: Turbines and generators can generate significant vibrations during operation. Flexible couplings help dampen these vibrations, reducing the risk of resonance and excessive mechanical stress on the system.
  • Torsional Shock Absorption: Power generation equipment may encounter torsional shocks during startup and shutdown processes. Flexible couplings can absorb and dissipate these shocks, protecting the entire drivetrain from damage.
  • Isolation of High Torque Loads: Some power generation systems may have torque fluctuations during operation. Flexible couplings can isolate these fluctuations, preventing them from propagating to other components.
  • Electrical Isolation: In certain cases, flexible couplings with non-metallic elements can provide electrical isolation, preventing the transmission of electrical currents between shafts.

Power generation applications impose specific requirements on flexible couplings, such as high torque capacity, robust construction, and resistance to environmental factors like temperature and humidity. Different types of flexible couplings, including elastomeric, metallic, and composite couplings, are available to meet the varying demands of power generation equipment.

When selecting a flexible coupling for power generation equipment, engineers must consider factors such as the type of prime mover, torque and speed requirements, operating conditions, and the specific application’s environmental challenges. Consulting with coupling manufacturers and following their engineering recommendations can help ensure the appropriate coupling is chosen for each power generation system.

flexible coupling

Can flexible couplings handle misalignment between shafts?

Yes, flexible couplings are specifically designed to handle misalignment between shafts in rotating machinery and mechanical systems. Misalignment can occur due to various factors, including installation errors, thermal expansion, manufacturing tolerances, or shaft deflection during operation.

Flexible couplings offer the ability to compensate for different types of misalignment, including:

  • Angular Misalignment: When the shafts are not collinear and have an angular offset, flexible couplings can accommodate this misalignment by flexing or twisting, allowing the two shafts to remain connected while transmitting torque smoothly.
  • Parallel Misalignment: Parallel misalignment occurs when the two shafts are not perfectly aligned along their axes. Flexible couplings can adjust to this misalignment, ensuring that the shafts remain connected and capable of transmitting power efficiently.
  • Axial Misalignment: Axial misalignment, also known as end float or axial displacement, refers to the relative axial movement of the two shafts. Some flexible coupling designs can accommodate axial misalignment, allowing for slight axial movements without disengaging the coupling.

The ability of flexible couplings to handle misalignment is essential in preventing premature wear and failure of the connected equipment. By compensating for misalignment, flexible couplings reduce the stress on the shafts, bearings, and seals, extending the service life of these components and improving overall system reliability.

It is crucial to select the appropriate type of flexible coupling based on the specific misalignment requirements of the application. Different coupling designs offer varying degrees of misalignment compensation, and the choice depends on factors such as the magnitude and type of misalignment, the torque requirements, and the operating environment.

In summary, flexible couplings play a vital role in handling misalignment between shafts, ensuring efficient power transmission and protecting mechanical systems from the adverse effects of misalignment. Their ability to accommodate misalignment makes them indispensable components in various industrial, automotive, aerospace, and marine applications.

China supplier Flexible Shaft Coupling Jaw Type Coupling  China supplier Flexible Shaft Coupling Jaw Type Coupling
editor by CX 2024-02-15

China supplier Gfc-80X114 Manufacturer Flexible Clamp Style Shaft Spider Gear Motor Jaw Coupling gear coupling

Product Description

GFC-80X114 Manufacturer Flexible Clamp Style GFC Shaft Spider Gear Motor Jaw Coupling


GFC-80X114 Manufacturer Flexible Clamp Style GFC Shaft Spider Gear Motor Jaw Coupling

model parameter common bore diameter d1,d2 ΦD L LF LP F M tightening screw torque
GFC-14X22 3,4,5,6,6.35 14 22 14.3 6.6 5.0 M2.5 1.0
GFC-20×25 3,4,5,6,6.35,7,8,9,9.525,10 20 25 16.7 8.6 5.9 M3 1.5
GFC-20X30 3,4,5,6,6.35,7,8,9,9.525,10 20 30 19.25 8.6 5.9 M3 1.5
GFC-25X30 4,5,6,6.35,7,8,9,9.525,10,11,12 25 30 20.82 11.6 8.5 M4 2.5
GFC-25X34 4,5,6,6.35,7,8,9,9.525,10,11,12 25 34 22.82 11.6 8.5 M4 2.5
GFC-30×35 5,6,6.35,7,8,9,10,11,12,12.7,14,15,16 30 35 23 11.5 10 M4 2.5
GFC-30X40 5,6,6.35,7,8,9,10,11,12,12.7,14,15,16 30 40 25 11.5 10 M4 2.5
GFC-40X50 6,8,9,10,11,12,12.7,14,15,16,17,18,19,20,22,24 40 50 32.1 14.5 14 M5 7
GFC-40X55 6,8,9,10,11,12,12.7,14,15,16,17,18,19,20,22,24 40 55 34.5 14.5 14 M5 7
GFC-40X66 6,8,910,11,12,12.7,14,15,16,17,18,19,20,22,24 40 66 40 14.5 14 M5 7
GFC-55X49 10,11,12,12.7,14,15,16,17,18,19,20,22,24,25,28,30,32 55 49 32 16.1 13.5 M6 12
GFC-55X78 8,10,12,12.7,14,15,16,17,18,19,20,22,24,25,28,30,32 55 78 46.4 16.1 19 M6 12
GFC-65X80 14,15,16,17,18,19,20,22,24,25,28,30,32,35,38,40 65 80 48.5 17.3 14 M8 20
GFC-65X90 14,15,16,17,18,19,20,22,24,25,28,30,32,35,38,40 65 90 53.5 17.3 22.5 M8 20
GFC-80X114 19,20,22,24,25,28,30,32,35,38,40,42,45 80 114 68 22.5 16 M8 20
GFC-95X126 19,20,22,24,25,28,30,32,35,38,40,42,45,50,55 95 126 74.5 24 18 M10 30

model parameter Rated torque
allowable eccentricity
allowable deflection angle
allowable axial deviation
maximum speed
static torsional stiffness
moment of inertia
Material of shaft sleeve Material of shrapnel surface treatment weight
GFC-14X22 5.0 0.1 1 ±02 10000 50 1.0×10-6 High strength aluminum alloy Polyurethane imported from Germany Anodizing treatment 10
GFC-20X25 5.0 0.1 1 ±02 10000 50 1.0×10-6 15
GFC-20X30 5.0 0.1 1 ^02 10000 53 1.1×10-6 19
GFC-25X30 10 0.1 1   10000 90 5.2X10-6 33
GFC-25X34 10 0.1 1 £)2 10000 90 5.2×10-6 42
GFC-30X35 12.5 0.1 1 ±02 10000 123 6.2×10-6 50
GFC-30×40 12.5 0.1 1 102 10000 123 6.2×10-6 60
GFC-40X50 17 0.1 1   8000 1100 3.8×10-5 115
GFC-40X55 17 0.1 1 ±02 8000 1100 3.8×10-5 127
GFC-40X66 17 0.1 1   7000 1140 3.9×10-5 154
GFC-55X49 45 0.1 1 ±02 6500 2350 1.6×10-3 241
GFC-55X78 45 0.1 1 102 6000 2500 1.6×10-3 341
GFC-65X80 108 0.1 1 ±02 5500 4500 3.8×10-3 433
GFC-65X90 108 0.1 1 ±02 5500 4800 3.8×10-3 583
GFC-80X114 145 0.1 1 £)2 4500 5000 1.8×10-3 1650
GFC-95X126 250 0.1 1 ±02 4000 5000 2.0×10-3 1000




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flange coupling

Types of Gear Coupling Designs

There are several types of gear coupling designs available, each with its own specific characteristics and applications. The main types of gear couplings are:

  1. Sleeve Gear Couplings: Sleeve gear couplings consist of two hubs with external gears and a center sleeve with internal gears. The hubs are mounted on the shaft ends, and the center sleeve connects the two hubs. This design allows for angular and axial misalignment while transmitting torque between the shafts. Sleeve gear couplings are suitable for general-purpose applications and offer easy maintenance.
  2. Continuous Sleeve Gear Couplings: Continuous sleeve gear couplings are an improved version of sleeve gear couplings. In this design, the center sleeve is extended to cover the entire length of the hubs, providing additional support and increasing torque capacity. The continuous sleeve design reduces the bending effect on the shafts and allows for higher torque transmission.
  3. Flanged Sleeve Gear Couplings: Flanged sleeve gear couplings are similar to continuous sleeve couplings but include flanges at the ends of the center sleeve. These flanges provide extra support and help maintain proper alignment between the shafts. Flanged sleeve gear couplings are commonly used in high-speed and heavy-duty applications.
  4. Half Gear Couplings: Half gear couplings, also known as semi-rigid gear couplings, consist of one flexible half and one rigid half. The flexible half has internal gear teeth, while the rigid half has external gear teeth. This design allows for angular misalignment while offering higher torque capacity than fully flexible couplings. Half gear couplings are often used in applications where some degree of misalignment is expected, but not as much as what sleeve gear couplings can handle.
  5. Full Gear Couplings: Full gear couplings consist of two hubs with external gear teeth that mesh directly with each other. This design provides high torque capacity and is suitable for applications requiring minimal misalignment. Full gear couplings offer excellent torsional rigidity and are often used in precision applications where accurate shaft alignment is critical.
  6. Flexible Gear Couplings: Flexible gear couplings combine the features of gear couplings and flexible couplings. They consist of two hubs with external gears and a flexible element, such as a membrane or elastomeric material, connecting the hubs. This design allows for some misalignment while providing damping of vibrations and shock absorption.

Each type of gear coupling has its advantages and limitations, and the choice of coupling design depends on the specific requirements of the application, including the level of misalignment, torque capacity, speed, and environmental conditions.

China supplier Gfc-80X114 Manufacturer Flexible Clamp Style Shaft Spider Gear Motor Jaw Coupling  gear couplingChina supplier Gfc-80X114 Manufacturer Flexible Clamp Style Shaft Spider Gear Motor Jaw Coupling  gear coupling
editor by CX 2024-02-11

China supplier Gcld Drum Tooth Coupling 45# Steel Tooth Coupling Power Shaft Transmission Pin Gear Flexible Coupling gear coupling

Product Description

GCLD gear coupling Drum toothed coupling


GCLD series of drum gear coupling, especially suitable for low speed and heavy load conditions, such as metallurgy, mining, lifting and transportation industries, also suitable for petroleum, chemical, general machinery and other machinery shafting transmission.Characteristics of drum gear coupling (compared with straight gear coupling, it has the following characteristics). 


Norminal Torque: 0.4kN. M – 4500kN. M
Allowed Rotation Speed: 4000rpm -460rpm
Connection: Keyway & Shaft hole 
Shaft Hole Diameter: 16mm – 1040mm
Shaft Hole Length (Y): 42mm – 1100mm



1. The bearing capacity is strong.
2. Large amount of angular displacement compensation
3. The drum shaped tooth surface improves the contact conditions of the inner and outer teeth, avoids the disadvantages of edge extrusion and stress concentration at the straight tooth end under the condition of angular displacement, improves the friction and wear condition of the tooth surface, reduces the noise, and has a long maintenance cycle;
4. The tooth end of the outer tooth sleeve is in the shape of a horn, which makes the assembly and disassembly of the inner and outer teeth very convenient.
5. The transmission efficiency is as high as 99.7%.

Packing & Delivery:

Metallurgy, mining, lifting and transportation industries, petroleum, chemical, general machinery and other heavy machinery shaft drive.

About us:
HangZhou CHINAMFG machinery technology Co., Ltd is an industry transmission solutions manufacuturer and service provider.

We offer 1 stop solution for power transmission products for different factories, such as chemicals, energy, material handling, environmental, extraction, pulp and paper, steel and metal, food and beverage, and construction industries.

We supply: Customised gears, Small gearmotors, Industrial gearboxes, Motors, Brand product sourcing.

Our industrial Gear, Gearbox, gearmotor and motor are sold to more than 30 countries. High quality, good price, in time response and sincere service are our value and promises. We aim at making happy cooperation with our customers, bring them reliable and comfortable service.
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flange coupling

Maintenance Requirements for Gear Couplings

Gear couplings, like any mechanical component, require regular maintenance to ensure optimal performance, reliability, and longevity. Proper maintenance can help prevent unexpected failures and downtime, leading to cost savings and increased productivity. Here are the key maintenance requirements for gear couplings:

  • Lubrication: Regular and proper lubrication is essential for gear couplings. The coupling’s gear teeth and mating surfaces should be adequately lubricated to minimize friction and wear. The lubrication interval and type of lubricant used depend on the application, load, and operating conditions. It is crucial to follow the manufacturer’s recommendations for lubrication intervals and the appropriate lubricant to use.
  • Inspections: Routine inspections should be performed to check for signs of wear, misalignment, or damage. Visual inspections can help detect any abnormalities, such as pitting, scoring, or corrosion on the gear teeth. Additionally, inspections can identify any misalignment issues that may need to be addressed to prevent further damage.
  • Torque Monitoring: Monitoring the torque transmitted through the coupling can help identify any abnormal increases that might indicate a problem in the system. Sudden changes in torque levels could signal misalignment or other issues that need attention.
  • Alignment Checks: Regularly checking and correcting shaft alignment is crucial for the proper functioning of gear couplings. Misalignment can lead to increased wear and premature failure of the coupling. Proper alignment reduces the stress on the coupling and connected equipment.
  • Temperature Monitoring: Monitoring the operating temperature of the coupling can provide insights into potential problems. Abnormally high temperatures could indicate insufficient lubrication or other issues that need investigation.
  • Coupling Removal and Cleaning: Periodically removing the coupling for cleaning and inspection of internal components can be beneficial, especially in harsh or dirty environments. This allows for a more thorough inspection and helps maintain the coupling’s performance.
  • Replacement of Worn Components: If any components of the gear coupling, such as seals or gaskets, are worn or damaged, they should be replaced promptly to maintain the coupling’s integrity and prevent leaks.
  • Proper Storage: If the coupling is temporarily removed from service or stored, it should be stored in a clean and dry environment to prevent corrosion and damage to the components.

It is essential to follow the manufacturer’s maintenance guidelines and recommendations for the specific gear coupling model being used. Regular maintenance and adherence to proper procedures can help extend the service life of gear couplings and ensure reliable and efficient operation in the mechanical system.

China supplier Gcld Drum Tooth Coupling 45# Steel Tooth Coupling Power Shaft Transmission Pin Gear Flexible Coupling  gear couplingChina supplier Gcld Drum Tooth Coupling 45# Steel Tooth Coupling Power Shaft Transmission Pin Gear Flexible Coupling  gear coupling
editor by CX 2024-02-04

China supplier CNC Customizable Forged Steel Flexible Jaw Tooth Shaft Gear Couplings

Product Description


20CrMn5,20CrMnTi,40Cr,Powder deposit,45#steel,42CrMo,Stainless steel and so on as per your requests.



Lead Time

Sample: 20-30 days after deposit received, Batch goods: 30-45days after samples have been approved. Die opening product:7-15days after samples have been approved.It takes 45-60 days to open the mold.


Forging,Machining,Hobbing,Milling,Shaving,Grinding teeth, inserting teeth, shot blasting, Grinding,Heat treatment……

Heat Treatment

Intermediate frequency, high frequency, tempering, desalinating, carburizing……

Main Machines

CNC gear hobbing machine, CNC gear cutting machine, CNC lathe, CNC gear shaving machine, CNC gear milling machine, CNC gear grinding machine, CNC Grinding Machine….

CHINAMFG has been engaged in manufacturing of forgings, castings, heat treatment and CNC machining parts since 1999.  

The products materials have passed EN15714-3.1 certification, covering various grades of: low carbon steel, alloy steel, stainless steel, ductile iron, aluminum alloy, copper alloy, titanium alloy. 

The main processes are: free forging, die forging, rolling ring, high pressure casting, centrifugal casting, normalizing, quenching and tempering, solution treatment, aging treatment, carbonitriding, turning, milling, drilling, grinding, hobbing, high frequency quenching, galvanizing, chrome plating, anodizing, powder spraying and other processes.

Rings and plates dimensions: Max 3000mm, shafts length: Max 12000mm, single piece weight: Max 16 Tons, at the same time we are good at terminal machining of complex products, dimension accuracy: Min 0.01mm, roughness: Min Ra0.6. 

Products can be strictly examined by chemical composition, tensile strength, yield strength, reduction of area, impact at low temperature, intergranular corrosion, hardness, metallographic, NDT, size, static balance etc performance parameter. 

Products are widely used in: aerospace, ships, trains, automobiles, engineering vehicles, chemical industry and petroleum refining, wellheads, x-mas tree equipment, mining machinery, food machinery, hydraulic and wind power generation, new energy equipment etc field. 

Welcome to send: PDF, IGS, STP and other format drawings, of course we could also make material judgment and size survey according to your samples. 

With more than 20 years of manufacturing experience and overseas sales team, we have achieved 100% customer satisfaction. The warranty period of products sold is 365 days. We look CHINAMFG to your consultation and cooperation at any time and common prosperity development.

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flexible coupling

What are the key features to look for when purchasing a flexible coupling?

When purchasing a flexible coupling, several key features should be considered to ensure it meets the specific requirements of the application and provides reliable performance. The following are the key features to look for:

  • 1. Type of Coupling: There are different types of flexible couplings available, such as jaw couplings, beam couplings, bellows couplings, disc couplings, and more. Each type has its advantages and limitations, so choosing the right type depends on factors like misalignment compensation needed, torque capacity, and application requirements.
  • 2. Material: The material of the coupling is crucial for its durability and performance. Common materials include stainless steel, aluminum, steel, and various elastomers. Select a material that can withstand the environmental conditions, loads, and temperature ranges of the application.
  • 3. Size and Dimensions: Ensure that the coupling’s size and dimensions match the shaft sizes and available space in the system. Oversized or undersized couplings may lead to inefficiencies, misalignment, and reduced performance.
  • 4. Torque Rating: Consider the maximum torque the coupling can handle to ensure it can transmit the required power without failure or damage.
  • 5. Speed Rating: Check the coupling’s maximum rotational speed capability to ensure it can handle the desired operating speed without issues.
  • 6. Misalignment Compensation: Different couplings offer varying degrees of misalignment compensation, such as angular, parallel, and axial misalignment. Choose a coupling that can accommodate the expected misalignments in the system.
  • 7. Backlash: For precision applications, consider couplings with minimal or zero-backlash to prevent motion inaccuracies and ensure precise positioning.
  • 8. Operating Environment: Assess the environmental conditions, including temperature, humidity, dust, and chemical exposure, and select a coupling with suitable resistance to these factors.
  • 9. Maintenance: Decide whether maintenance-free couplings or those requiring periodic lubrication align better with the application’s requirements and maintenance schedule.
  • 10. Electrical Isolation: If required, choose couplings with electrical isolation features to prevent current flow between connected shafts.
  • 11. Dynamic Behavior: Evaluate the coupling’s dynamic performance, including resonance and damping characteristics, to ensure smooth operation under various loads and speeds.
  • 12. Application Compatibility: Verify that the selected coupling is suitable for the specific application, such as pumps, compressors, robotics, automation, or other industrial processes.

Summary: When purchasing a flexible coupling, consider factors such as the type of coupling, material, size, torque rating, speed rating, misalignment compensation, backlash, operating environment, maintenance, electrical isolation, dynamic behavior, and application compatibility. Careful consideration of these features will ensure that the coupling meets the demands of the application, provides reliable performance, and contributes to the overall efficiency of the mechanical system.

flexible coupling

Can flexible couplings be used in marine and automotive applications?

Yes, flexible couplings are commonly used in both marine and automotive applications. They offer various advantages that make them suitable for these industries:

  • Misalignment Compensation: In marine and automotive systems, there can be misalignments due to factors such as hull flexing in marine vessels or engine movements in vehicles. Flexible couplings can accommodate these misalignments, ensuring efficient power transmission between the engine and the propeller or wheels.
  • Vibration Damping: Both marine and automotive environments experience vibrations from engines, propellers, or road conditions. Flexible couplings help dampen these vibrations, reducing wear on components and enhancing the comfort of passengers or crew members.
  • Shock Load Absorption: Marine vessels and vehicles can encounter shock loads during operation, especially in rough sea conditions or uneven terrains. Flexible couplings can absorb and dissipate the impact of these shock loads, protecting the drivetrain and transmission components.
  • Compact Design: Space is often limited in marine vessels and automotive systems. Flexible couplings come in various compact designs, making them suitable for applications with restricted installation space.
  • Corrosion Resistance: Marine environments expose components to corrosive seawater, while automotive systems may encounter exposure to road salt and other corrosive substances. Flexible couplings made from corrosion-resistant materials, such as stainless steel or non-metallic compounds, are ideal for these applications.
  • Easy Maintenance: Flexible couplings with self-lubricating features or low maintenance requirements are well-suited for marine and automotive applications, where regular maintenance can be challenging.
  • High Torque Capacity: Automotive systems, especially in heavy-duty vehicles, require couplings that can handle high torque levels. Flexible couplings designed for automotive use offer high torque capacity and reliability.

Overall, the adaptability, vibration damping, and misalignment compensation provided by flexible couplings make them suitable for various marine and automotive applications. Whether used in boats, yachts, ships, cars, trucks, or other vehicles, flexible couplings contribute to smooth and reliable power transmission, leading to improved performance and reduced maintenance requirements.

flexible coupling

Can flexible couplings be used in applications with varying operating temperatures?

Yes, flexible couplings can be used in applications with varying operating temperatures. The suitability of a flexible coupling for a specific temperature range depends on its design and the materials used in its construction. Different types of flexible couplings are available to handle a wide range of temperature conditions, making them versatile for use in various industries and environments.

High-Temperature Applications:

For applications with high operating temperatures, such as those found in certain industrial processes, exhaust systems, or high-temperature machinery, flexible couplings made from materials with excellent heat resistance are used. These materials may include stainless steel alloys, heat-treated steels, or specialized high-temperature elastomers. High-temperature flexible couplings are designed to maintain their mechanical properties, including flexibility and torque transmission capabilities, even at elevated temperatures.

Low-Temperature Applications:

Conversely, for applications in extremely cold environments or cryogenic processes, flexible couplings constructed from materials with low-temperature resistance are employed. These couplings are designed to remain flexible and functional at very low temperatures without becoming brittle or losing their ability to handle misalignment. Some low-temperature couplings may use special polymers or elastomers with excellent cold-temperature performance.

Temperature Range Considerations:

When selecting a flexible coupling for applications with varying operating temperatures, it is essential to consider the specific temperature range in which the coupling will operate. Some flexible couplings have a wider temperature range, allowing them to function effectively in both high and low-temperature environments. However, in extreme temperature conditions, specialized couplings may be necessary to ensure reliable performance and prevent premature failure.

Manufacturer Guidelines:

Manufacturers of flexible couplings provide guidelines and specifications regarding the temperature range of their products. It is crucial to consult the manufacturer’s documentation to ensure that the chosen coupling is suitable for the intended operating temperature of the application. Using a coupling beyond its recommended temperature range can lead to performance issues, reduced efficiency, or even failure.


Flexible couplings with varying temperature resistance find use in numerous industries, including aerospace, automotive, manufacturing, power generation, and more. Whether in high-temperature exhaust systems, low-temperature cryogenic processes, or regular industrial applications with temperature fluctuations, flexible couplings play a vital role in providing reliable power transmission and misalignment compensation.

In summary, flexible couplings can be effectively used in applications with varying operating temperatures, provided that the coupling’s design and material properties align with the specific temperature requirements of the application.

China supplier CNC Customizable Forged Steel Flexible Jaw Tooth Shaft Gear Couplings  China supplier CNC Customizable Forged Steel Flexible Jaw Tooth Shaft Gear Couplings
editor by CX 2024-01-25

China supplier Machinery Part Roller Chain Coupling Aluminum Case with Sprockets Shaft Flexible Coupling Kc 4012-10020

Product Description

Product Description

     The roller chain coupling is a flexible coupling of amazingly simple construction. It consists of a combination of 1 coupling chain and a pair of coupling sprockets. Flexible and strong, the  roller chain coupling is suitable for a wide range of coupling applications.
     Roller chain coupling can used for the environment which with high temperature, wet and dirty conditions. It is not suitable for the occasion which is in high speed and with strong impact load. Roller chain coupling should working with excellent lubrication and protection cover conditions. 
The common chain coupling includes double roller chain coupling, single row roller chain coupling, tooth shape chain coupling, nylon chain coupling. Its scale is compact and its weight is light. But roller chain coupling don’t have high requirement to installation precision. 
     Generally speaking, it is usually in long service life. Production line equipment for various kinds of frozen food and dehydrated vegetables should transport by stainless steel chain. Roller chains are widely applied to household, industrial and agricultural machinery, includes conveyor, drawing machine, printing machine, automobile, motorcycle and bicycle.

Main Features
1.Simple structure,easy assembly and disassembly.
2.Light weight,and long service life.
3.Have a certain ability to compensate for installation less precision.
4.Suitable for high temperature,wet and dusty industrial environment.
5.Can not for high speed,violent vibration.

Techncial Date

KASIN No. Chain Type d L G S D H C Weight/Kg A B Casing Weight/Kg
3012 06B-2 × 12 12~16 64.8 29.8 5.2 35 45 10.2 0.31 69 63 0.22
4012 40-2 × 12 12~22 79.4 36 7.4 35 62 14.4 0.73 77 72 0.3
4014 40-2 × 14 12~28 79.4 36 7.4 43 69 14.4 1.12 84 75 0.31
4016 40-2 × 16 14~32 87.4 40 7.4 50 77 14.4 1.5 92 72 0.35
5014 50-2 × 14 15~35 99.7 45 9.7 55 86 18.1 2.15 101 85 0.47
5016 50-2 × 16 16~40 99.7 45 9.7 62 93 18.1 2.75 110 87 0.5
5018 50-2 × 18 16~45 99.7 45 9.7 70 106 18.1 3.6 122 85 0.6
6018 60-2 × 18 20~56 123.5 56 11.5 85 127 22.8 6.55 147 105 1.2
6571 60-2 × 20 20~60 123.5 56 11.5 1/8822 0571 -57152031              Fax: 86~/8822 0571 -57152030


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flexible coupling

Can flexible couplings be used in heavy-duty applications such as mining and construction?

Yes, flexible couplings can be used in heavy-duty applications such as mining and construction, where the equipment operates under challenging conditions and encounters high loads, vibrations, and misalignments. Flexible couplings offer several advantages that make them suitable for these demanding environments:

  • Misalignment Compensation: Heavy-duty equipment in mining and construction may experience misalignment due to the rough terrain, uneven surfaces, or heavy loads. Flexible couplings can handle both angular and parallel misalignment, ensuring smooth power transmission even in these adverse conditions.
  • Shock and Vibration Absorption: Mining and construction operations often involve high-impact loads and vibrations. Flexible couplings can dampen and absorb these shocks, protecting the connected components from damage and reducing wear and tear on the equipment.
  • Torsional Stiffness: While flexible couplings are designed to accommodate misalignment, they still maintain a certain level of torsional stiffness to transmit torque efficiently. This is crucial in heavy-duty applications, where high torque is required to drive the machinery.
  • Corrosion and Contamination Resistance: In mining and construction environments, equipment may be exposed to dust, dirt, water, and chemicals. Flexible couplings made from corrosion-resistant materials can withstand these harsh conditions, ensuring reliable performance and longevity.
  • High Torque Transmission: Heavy-duty machinery often requires high torque transmission between the driving and driven components. Flexible couplings are capable of transmitting high torque efficiently, which is essential for the operation of large-scale equipment.
  • Reduced Downtime: The robustness and reliability of flexible couplings in heavy-duty applications contribute to reduced downtime. By minimizing the impact of misalignment, shocks, and vibrations, flexible couplings help prevent unexpected breakdowns and maintenance issues.

When selecting a flexible coupling for heavy-duty applications, it’s important to consider the specific requirements of the machinery and the operating conditions. Factors such as the type of equipment, torque and speed requirements, environmental conditions, and expected loads should be taken into account.

Overall, flexible couplings are a versatile solution for power transmission in heavy-duty applications, providing the necessary flexibility, durability, and performance to withstand the challenges posed by the mining and construction industries.

flexible coupling

What are the differences between single and double flexible coupling designs?

Single and double flexible couplings are two common designs used for power transmission in various mechanical systems. Here are the main differences between the two:

  • Design: The primary difference lies in their configuration. A single flexible coupling consists of one flexible element connecting two shafts, while a double flexible coupling, also known as a two-piece flexible coupling, uses two flexible elements with an intermediate shaft in between. The double flexible coupling resembles two single couplings connected in series.
  • Torsional Flexibility: Single flexible couplings typically provide greater torsional flexibility than double flexible couplings. The presence of an intermediate shaft in the double coupling design adds some rigidity and reduces the overall torsional flexibility of the system.
  • Compensation of Misalignment: Both single and double flexible couplings can compensate for angular and parallel misalignment between shafts. However, due to its additional flexible element, the double flexible coupling may have slightly better misalignment compensation capabilities.
  • Length and Space: Single flexible couplings are generally shorter in length compared to double flexible couplings. The double flexible coupling’s design requires additional space to accommodate the intermediate shaft, making it longer than the single coupling.
  • Shaft Separation: Single flexible couplings connect the two shafts directly without any intermediate components, while the double flexible coupling separates the shafts using an intermediate shaft. This shaft separation in the double design can be advantageous in certain applications.
  • Stiffness: The double flexible coupling tends to be slightly stiffer than the single flexible coupling due to the presence of the intermediate shaft, which may affect its ability to absorb vibrations and shock loads.
  • Application: Single flexible couplings are commonly used in various applications, including pumps, compressors, fans, and general power transmission systems. Double flexible couplings are often preferred in applications where a higher level of torsional stiffness is required, such as certain industrial machinery.

Both single and double flexible coupling designs have their advantages and are suitable for different types of machinery and power transmission requirements. The choice between the two depends on factors such as the specific application, the level of misalignment compensation needed, the available space, and the desired torsional flexibility for the system.

flexible coupling

How do flexible couplings compare to other types of couplings in terms of performance?

Flexible couplings offer distinct advantages and disadvantages compared to other types of couplings, making them suitable for specific applications. Here is a comparison of flexible couplings with other commonly used coupling types in terms of performance:

  • Rigid Couplings:

Rigid couplings are simple in design and provide a solid connection between two shafts, allowing for precise torque transmission. They do not offer any flexibility and are unable to compensate for misalignment. As a result, rigid couplings require accurate shaft alignment during installation, and any misalignment can lead to premature wear and increased stress on connected equipment. Rigid couplings are best suited for applications where shaft alignment is precise, and misalignment is minimal, such as in well-aligned systems with short shaft spans.

  • Flexible Couplings:

Flexible couplings, as discussed previously, excel at compensating for misalignment between shafts. They offer angular, parallel, and axial misalignment compensation, reducing stress on connected components and ensuring smooth power transmission. Flexible couplings are versatile and can handle various applications, from light-duty to heavy-duty, where misalignment, vibration damping, or shock absorption is a concern. They provide a cost-effective solution for many industrial, automotive, and machinery applications.

  • Oldham Couplings:

Oldham couplings are effective at compensating for angular misalignment while maintaining constant velocity transmission. They offer low backlash and electrical isolation between shafts, making them suitable for precision motion control and applications where electrical interference must be minimized. However, Oldham couplings have limited capacity to handle parallel or axial misalignment, and they may not be suitable for applications with high torque requirements.

  • Gear Couplings:

Gear couplings are robust and can handle high torque levels, making them suitable for heavy-duty applications such as mining and steel mills. They offer good misalignment compensation and have a compact design. However, gear couplings are relatively more expensive and complex than some other coupling types, and they may generate more noise during operation.

  • Disc Couplings:

Disc couplings provide excellent misalignment compensation, including angular, parallel, and axial misalignment. They have high torsional stiffness, making them ideal for applications where accurate torque transmission is critical. Disc couplings offer low inertia and are suitable for high-speed applications. However, they may be more sensitive to shaft misalignment during installation, requiring precise alignment for optimal performance.

  • Conclusion:

The choice of coupling type depends on the specific requirements of the application. Flexible couplings excel in compensating for misalignment and vibration damping, making them versatile and cost-effective solutions for many applications. However, in situations where high torque, precision, or specific electrical isolation is necessary, other coupling types such as gear couplings, disc couplings, or Oldham couplings may be more suitable. Proper selection, installation, and maintenance of the coupling are essential to ensure optimal performance and reliability in any mechanical system.

China supplier Machinery Part Roller Chain Coupling Aluminum Case with Sprockets Shaft Flexible Coupling Kc 4012-10020  China supplier Machinery Part Roller Chain Coupling Aluminum Case with Sprockets Shaft Flexible Coupling Kc 4012-10020
editor by CX 2024-01-19

China supplier High Quality Drum Gear Flexible Shaft Coupling with Intermediate Sleeve

Product Description

High Quality Drum Gear Flexible Shaft Coupling With Intermediate Sleeve

WGT type drum gear coupling with intermediate sleeve is suitable forconnecting horizontal 2 coaxial transmission shaft systems. The toothpitch is small, the relative radial displacement is small, and the structureis compact. It is allowed to rotate in the CHINAMFG and reverse directions,and either side can also be used as the active input terminal to transmita nominal torque of N.m.

Product paramter:
Length: 122~545mm
Outside diameter: 122~410 mm
Application:Servo, progressive motor, universal motor connection. 

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.

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.
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flexible gear coupling

Common Industries and Use Cases for Flexible Gear Couplings

Flexible gear couplings find widespread applications across various industries due to their ability to transmit torque efficiently while accommodating misalignments and reducing vibrations. Some of the common industries and specific use cases include:

1. Power Generation:

Flexible gear couplings are extensively used in power generation plants, including thermal power plants, hydroelectric power plants, and wind farms. They connect turbines, generators, and other rotating equipment, allowing for smooth power transmission and accommodating misalignments caused by thermal expansion or settling.

2. Steel and Metal Processing:

In steel and metal processing industries, flexible gear couplings are employed in rolling mills, continuous casting machines, and other heavy machinery. They handle the high torque and misalignments that occur during metal forming processes, providing reliable power transmission and reducing downtime.

3. Petrochemical and Oil & Gas:

These industries often deal with harsh environments, high temperatures, and corrosive substances. Flexible gear couplings with appropriate materials and coatings are used in pumps, compressors, and other critical equipment to ensure efficient power transmission and reliability.

4. Mining:

Mining operations involve large machines and heavy loads, requiring couplings that can handle substantial torque and misalignment. Flexible gear couplings are used in conveyor systems, crushers, and other mining equipment to maintain smooth and efficient operation.

5. Marine and Shipbuilding:

In marine applications, flexible gear couplings are used to connect marine diesel engines to propeller shafts. They absorb vibrations and misalignments caused by the motion of the ship, ensuring reliable power transmission and reduced wear on the propulsion system.

6. Pulp and Paper:

In the pulp and paper industry, flexible gear couplings are utilized in various stages of the papermaking process, including pulp refiners, digesters, and winding machines. They provide precision torque transmission and minimize vibrations, contributing to the efficiency of the paper production process.

These are just a few examples, and flexible gear couplings can be found in many other industries, such as cement, chemical, food and beverage, and more. Their versatility and ability to handle challenging conditions make them a preferred choice in various power transmission applications across industries.

flexible gear coupling

Handling Torsional Stiffness and Dynamic Balancing in Flexible Gear Couplings

Flexible gear couplings are designed to effectively handle torsional stiffness and dynamic balancing in rotating machinery. Here’s how they achieve this:

  • Torsional Stiffness: Flexible gear couplings are engineered to provide a certain level of torsional stiffness while still allowing for some flexibility. This stiffness helps transmit torque efficiently from one shaft to another, ensuring minimal power loss. The flexibility of the coupling allows it to accommodate misalignments and shock loads, reducing the risk of damage to connected equipment.
  • Dynamic Balancing: Proper dynamic balancing is crucial in rotating machinery to prevent vibrations that could lead to premature wear and damage. Flexible gear couplings are designed to have symmetrical and evenly distributed masses. This helps minimize any dynamic imbalances that could occur during rotation, resulting in smoother and more stable operation.

The combination of torsional stiffness and dynamic balancing in flexible gear couplings makes them suitable for various industrial applications, providing reliable power transmission while dampening vibrations and accommodating misalignments. It ensures that the connected machinery operates efficiently and with reduced wear and tear, resulting in longer equipment lifespan and enhanced overall system performance.

flexible gear coupling

Handling High Torque Loads and Maintaining Constant Velocity Transmission in Flexible Gear Couplings

Flexible gear couplings are designed to handle high torque loads and maintain constant velocity transmission between the connected shafts. The unique construction of flexible gear couplings allows them to achieve these characteristics:

1. High Torque Capacity: The design of flexible gear couplings includes robust gear teeth that engage with each other. These gear teeth transmit torque from one shaft to the other efficiently. The use of high-quality materials and precise manufacturing ensures that the coupling can handle substantial torque loads without failure or deformation.

2. Constant Velocity Transmission: The meshing of the gear teeth in flexible gear couplings provides a positive drive, ensuring constant velocity transmission between the input and output shafts. This means that the rotational speed of the output shaft remains consistent with that of the input shaft, even under varying torque conditions.

These features make flexible gear couplings suitable for various industrial applications, including heavy machinery, high-power drives, and equipment requiring precise speed control.

China supplier High Quality Drum Gear Flexible Shaft Coupling with Intermediate Sleeve  China supplier High Quality Drum Gear Flexible Shaft Coupling with Intermediate Sleeve
editor by CX 2024-01-09