Tag Archives: oem shaft

China OEM Flexible Fluid Chain Jaw Flange Gear Rigid Spacer Pin Universal Tyre Grid Servo Motor Shaft Coupling

Product Description

Product Description

 

Hot Selling GL Type Spline Rigid Shaft Couplings Roller Chain Coupling For Industry Machine

FEATURES
Manufactured according to relevant industrial standards 
Available in many sizes, ratings, and product types, including flexible shaft couplings and OK couplings 
Fabricated from a variety of high-grade steel 

BENEFITS
Several surface treatment processes protect against corrosion  
Customized products are available 
Large couplings withstand very high torque 
Flexible shaft couplings compensate for shaft misalignment

The chain coupling consists of two-strand roller chains, 2 sprockets and AL-Alloy cover, features simple and compact structure, and high flexibility, power transmission capability and durability.

What’s more ,the chain coupling allows simple connection/disconnection, and the use of the housing enhances safety and durability.    

The number of roller depends CHINAMFG the specific application

Chain No. Pitch

P

mm

Roller diameter
d1max

mm

Width between inner plates
b1min

mm

Pin diameter
d2max

mm

Pin length Inner plate depth
h2max

mm

Plate thickness

Tmax

mm

Tensile strength

Qmin

kN/lbf

Average tensile strength

Q0
kN

Weight per meter
q

kg/m

Lmax

mm

Lcmax

mm

08AF36 12.700 7.95 21.70 3.96 30.8 32.1 12.00 1.50 13.8/3135.36 16.20 1.070
10AF13 15.875 10.16 16.31 5.08 27.6 29.1 15.09 2.03 22.2/5045 27.50 1.350
10AF71 15.875 10.16 19.00 5.08 30.5 32.2 15.09 2.03 21.8/4901 24.40 1.480
*10AF75 15.875 10.16 45.60 5.08 57.0 58.5 15.09 2.03 21.8/4901 24.40 2.540
12AF2 19.050 11.91 19.10 5.94 32.6 34.4 18.00 2.42 31.8/7227 38.20 1.900
12AF6 19.050 11.91 18.80 5.94 31.9 33.5 18.00 2.42 31.8/7227 38.20 1.870
12AF26 19.050 11.91 19.36 5.94 31.9 33.5 18.00 2.42 31.8/7227 38.20 1.940
12AF34 19.050 11.91 19.00 5.94 31.9 31.9 18.00 2.42 31.1/7066 38.20 1.860
12AF54 19.050 11.91 19.50 5.84 31.9 31.9 18.00 2.29 31.1/7066 38.20 1.607
*12AF97 19.050 11.91 35.35 5.94 48.8 50.5 18.00 2.42 31.8/7149 38.20 2.630
*12AF101 19.050 11.91 37.64 5.94 51.2 52.9 18.00 2.42 31.8/7149 38.20 1.990
*12AF124 19.050 11.91 20.57 5.94 33.9 35.7 18.00 2.42 31.8/7149 38.20 1.910
16AF25 25.400 15.88 25.58 7.92 42.4 43.9 24.00 3.25 56.7/12886 63.50 3.260
*16AF40 25.400 15.88 70.00 7.92 87.6 91.1 24.00 3.25 56.7/12886 63.50 5.780
*16AF46 25.400 15.88 36.00 7.92 53.3 56.8 24.00 3.25 56.7/12886 63.50 3.880
*16AF75 25.400 15.88 56.00 7.92 73.5 76.9 24.00 3.25 56.7/12746 63.50 5.110
*16AF111 25.400 15.88 45.00 7.92 62.7 65.8 24.00 3.25 56.7/12746 63.50 4.480
*16AF121 25.400 15.88 73.50 7.92 91.3 94.7 24.00 3.25 56.7/12746 63.50 6.000

*The number of roller depends CHINAMFG the specific application

Chain No. Pitch
P

mm

Roller diameter
d1max

mm

Width between inner plates
b1min

mm

Pin diameter
d2max

mm

Pin length Inner plate depth
h2max

mm

Plate thickness

Tmax

mm

Tensile strength

Qmin

kN/lbf

Average tensile strength

Q0

kN

Weight per meter
q

kg/m

Lmax

mm

Lcmax

mm

*20AF44 31.750 19.05 32.00 9.53 53.5 57.8 30.00 4.00 86.7/19490 99.70 4.820
*24AF27 38.100 22.23 75.92 11.10 101.0 105.0 35.70 4.80 124.6/28571 143.20 9.810
*06BF27 9.525 6.35 18.80 3.28 26.5 28.2 8.20 1.30 9.0/2045 9.63 0.770
*06BF31 9.525 6.35 16.40 3.28 23.4 24.4 8.20 1.30 9.0/2045 9.63 0.660
*06BF71 9.525 6.35 16.50 3.28 24.5 25.6 8.20 1.30 9.0/2571 9.63 0.830
08BF97 12.700 8.51 15.50 4.45 24.8 26.2 11.80 1.60 18.0/4989.6 19.20 0.980
*08BF129 12.700 8.51 35.80 4.45 45.1 46.1 11.80 1.60 18.0/4989.6 19.02 1.500
10BF21 15.875 10.16 42.83 5.08 52.7 54.1 14.70 1.70 22.0/5000 25.30 2.260
10BF43 15.875 7.03 27.80 5.08 39.0 40.6 14.70 2.03 22.4/5090 25.76 1.140
*10BF43-S 15.875 10.00 27.80 5.08 39.0 40.6 14.70 2.03 22.4/5090 25.76 1.800
*16BF75 25.400 15.88 27.50 8.28 47.4 50.5 21.00 4.15/3.1 60.0/13488 66.00 3.420
*16BF87 25.400 15.88 35.00 8.28 54.1 55.6 21.00 4.15/3.1 60.0/13488 66.00 3.840
*16BF114 25.400 15.88 49.90 8.28 69.0 72.0 21.00 4.15/3.1 60.0/13488 66.00 4.740
*20BF45 31.750 19.05 55.01 10.19 76.8 80.5 26.40 4.5/3.5 95.0/21356 104.50 6.350
*24BF33 38.100 25.40 73.16 14.63 101.7 106.2 33.20 6.0/4.8 160.0/35968 176.00 11.840

Advantages:

1. Material:  C45 steel, Aluminum, Rubber and plastic etc.

2. High efficiency in transmission

3. Finishing: blacken, phosphate-coat, and oxidation.

4. Different models suitable for your different demands

5. Application in wide range of environment.

6. Quick and easy mounting and disassembly.

7. Resistant to oil and electrical insulation.

8. Identical clockwise and anticlockwise rotational characteristics.

9. Small dimension, low weight, high transmitted torque.

10. It has good performance.
 

Partnerships Reliable Supply-Chain:

Based on our experienced team and strict, effective supply chain management, Granville products deliver premium quality, and performance our customers have relied on for years. From a full range of bearings, mounted bearing units, power transmission products, and related markets around the world, we provide the industry’s most comprehensive range of qualified products available today.

Advantage Manufacturing Processesand Quality Control:

01 Heat Treatment

02 Centerless Grinding Machine 11200 (most advanced)

03 Automatic Production Lines for Raceway

04 Automatic Production Lines for Raceway

05 Ultrasonic Cleaning of Rings

06 Automatic Assembly

07 Ultrasonic Cleaning of Bearings

08 Automatic Greasing, Seals Pressing

09 Measurement of Bearing Vibration (Acceleration)

10 Measurement of Bearing Vibration (Speed)

11 Laser Marking

12 Automatic Packing

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

flexible gear coupling

Safety Considerations When Using Flexible Gear Couplings in Critical Applications

Flexible gear couplings are widely used in critical applications where safety and reliability are of utmost importance. While these couplings are designed to accommodate misalignments and reduce vibrations, there are some safety considerations to keep in mind:

  • Proper Installation: Ensure that the flexible gear coupling is installed correctly according to the manufacturer’s guidelines. Improper installation can lead to premature failure and safety hazards.
  • Regular Inspection: Perform regular inspections and maintenance to identify any signs of wear, damage, or misalignment. Addressing issues promptly can prevent unexpected failures.
  • Torque and Speed Ratings: Adhere to the specified torque and speed ratings of the coupling. Operating the coupling beyond its limits can lead to catastrophic failure.
  • Environmental Conditions: Consider the environmental conditions in which the coupling will operate. Factors such as temperature, humidity, and the presence of corrosive substances can impact the coupling’s performance and safety.
  • Emergency Stop Mechanism: In critical applications, it is essential to have an emergency stop mechanism in place to quickly disengage the coupling during emergencies.
  • Overload Protection: Implement overload protection systems to prevent excessive torque transmission, which could cause damage to connected equipment.
  • Periodic Maintenance: Follow a regular maintenance schedule to ensure that the coupling remains in optimal condition and to identify any potential safety risks.
  • Training and Awareness: Ensure that personnel operating and maintaining the equipment are adequately trained and aware of the safety considerations related to the flexible gear coupling.

By adhering to these safety considerations and following best practices, the use of flexible gear couplings in critical applications can contribute to safe and reliable operation, reducing the risk of downtime and costly failures.

flexible gear coupling

Design Considerations for Selecting a Flexible Gear Coupling

When selecting a flexible gear coupling for a specific application, several design considerations are crucial to ensure optimal performance and reliability:

  • Torque Capacity: Determine the maximum torque requirement of the application and choose a coupling with sufficient torque capacity to handle the transmitted loads without exceeding its limits.
  • Speed: Consider the operating speed of the machinery and select a coupling that can handle the rotational speed without generating excessive heat or vibrations.
  • Misalignment Tolerance: Assess the expected misalignment between the shafts in the system and choose a coupling that can accommodate both angular and parallel misalignments within acceptable limits.
  • Service Environment: Evaluate the working conditions, including temperature, humidity, and the presence of corrosive agents, and select a coupling made from materials suitable for the specific environment.
  • Space Limitations: Take into account the available space for the coupling installation and choose a compact design that fits within the available constraints.
  • Alignment Maintenance: Consider the ease of alignment and maintenance requirements of the selected coupling. Some couplings may require more frequent maintenance than others.
  • Backlash: Evaluate the application’s tolerance for backlash (angular play) in the coupling and select a design that meets the required precision.
  • Torsional Stiffness: Determine the need for torsional stiffness in the system to avoid torsional vibrations and ensure accurate torque transmission.
  • Resonance Avoidance: Identify potential resonance frequencies in the system and choose a coupling that helps avoid resonance, preventing amplified vibrations.
  • Cost: Consider the budget constraints and compare the cost-effectiveness of different coupling options while ensuring the selected coupling meets all the necessary requirements.

By carefully considering these design factors, engineers and designers can choose the most suitable flexible gear coupling for their specific application, ensuring smooth operation, reduced maintenance, and extended equipment lifespan.

flexible gear coupling

Industry Standards and Certifications for Flexible Gear Couplings

Flexible gear couplings are essential components in mechanical power transmission systems, and there are industry standards and certifications that govern their design, manufacturing, and performance. Some of the most commonly recognized standards and certifications for flexible gear couplings include:

  • ISO 9001: This certification ensures that the manufacturer follows a quality management system that meets international standards, ensuring consistent and reliable production of flexible gear couplings.
  • AGMA Standards: The American Gear Manufacturers Association (AGMA) has published various standards related to gear couplings, including AGMA 9002 for flexible couplings, which provides guidelines for design, selection, installation, and lubrication.
  • API Standards: The American Petroleum Institute (API) has established standards for couplings used in the oil and gas industry. API 671 specifically covers the requirements for special-purpose couplings, including gear couplings, used in petroleum, chemical, and gas industry services.
  • CE Marking: The CE marking indicates that the flexible gear coupling complies with the European Union’s health, safety, and environmental protection standards, making it eligible for sale within the EU market.
  • ATEX Certification: If the flexible gear coupling is intended for use in potentially explosive atmospheres, it may require ATEX certification, which ensures compliance with European Union directives for explosive atmosphere protection.

When selecting a flexible gear coupling, it is essential to verify if it conforms to the necessary industry standards and certifications to ensure the coupling’s performance, safety, and reliability in your specific application.

China OEM Flexible Fluid Chain Jaw Flange Gear Rigid Spacer Pin Universal Tyre Grid Servo Motor Shaft Coupling  China OEM Flexible Fluid Chain Jaw Flange Gear Rigid Spacer Pin Universal Tyre Grid Servo Motor Shaft Coupling
editor by CX 2024-05-13

China OEM Customized Giclz Type Crane Gear Coupling, Drum Gear Shaft Coupling, Gear Coupling for Crane gear coupling

Product Description

Hot Selling Stainlenss Steel Drum Gear Coupling Flexible Giclz Type Shaft Axle Couplings

Description:

A gear coupling is a mechanical device for transmitting torque between 2 shafts that are not collinear. It consists of a flexible joint fixed to each shaft. The 2 joints are connected by a third shaft, called the spindle.

Each joint consists of a 1:1 gear ratio internal/external gear pair. The tooth flanks and outer diameter of the external gear are crowned to allow for angular displacement between the 2 gears. Mechanically, the gears are equivalent to rotating splines with modified profiles. They are called gears because of the relatively large size of the teeth.

Gear couplings and universal joints are used in similar applications. Gear couplings have higher torque densities than universal joints designed to fit a given space while universal joints induce lower vibrations. The limit on torque density in universal joints is due to the limited cross sections of the cross and yoke. The gear teeth in a gear coupling have high backlash to allow for angular misalignment. The excess backlash can contribute to vibration.

Gear couplings are generally limited to angular misalignments, i.e., the angle of the spindle relative to the axes of the connected shafts, of 4-5°. Universal joints are capable of higher misalignments.

 

Product paramters:

Advantages:

1. Lowest price based on large scale production.

2. High and stable quality level.

3. Widely used in various mechanical and hydraulic fields.

4. Compensation for axial, radial and angular misalignment.

5. Convenient axial plugging assembly.

6. No brittlement at low temperature.

7. Good slippery and frictional properties.

8. Resistance to chemical corrosion.

9. Rich experience working with big companies in this field.

Packing & Delivery:

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

flange coupling

Can Gear Couplings Accommodate High Torque and High-Speed Applications?

Yes, gear couplings are well-suited for high torque and high-speed applications in various industries. They are designed to transmit large amounts of torque efficiently while providing torsional rigidity and compensating for misalignment between shafts. The robust construction and unique toothed gear design of gear couplings allow them to handle heavy-duty and demanding operating conditions.

The key factors that enable gear couplings to accommodate high torque and high-speed applications are:

  • Sturdy Construction: Gear couplings are typically made from high-quality materials such as steel or alloy, ensuring strength, durability, and the ability to withstand substantial torque loads without failure.
  • High Torque Capacity: The toothed gear design of gear couplings allows for a large surface area of contact between the teeth, distributing torque evenly and effectively. This design significantly enhances the coupling’s torque-carrying capacity.
  • Torsional Rigidity: Gear couplings offer excellent torsional rigidity, meaning they can resist angular deflection and maintain accurate torque transmission even under heavy loads and at high speeds.
  • High-Speed Balancing: Gear couplings are precisely balanced during manufacturing to minimize vibration and prevent harmful effects on connected equipment, even when operating at high speeds.
  • Misalignment Compensation: Gear couplings can accommodate both angular and parallel misalignment between shafts, which is common in high-speed applications where thermal expansion and dynamic forces come into play.
  • Lubrication: Proper lubrication is crucial for reducing friction and wear in gear couplings, especially in high-speed applications where heat generation is higher. Lubrication also helps dissipate heat and ensures smooth operation.

Due to their ability to handle high torque and high speeds, gear couplings are commonly used in various industries, including steel, mining, power generation, paper mills, and more. However, it is essential to select the right size and type of gear coupling based on the specific application requirements and operating conditions to ensure optimal performance and reliability.

China OEM Customized Giclz Type Crane Gear Coupling, Drum Gear Shaft Coupling, Gear Coupling for Crane  gear couplingChina OEM Customized Giclz Type Crane Gear Coupling, Drum Gear Shaft Coupling, Gear Coupling for Crane  gear coupling
editor by CX 2024-05-09

China OEM Stainless Steel Coupling Gear Rigid Roller Chain Fluid Tyre Grid Jaw Spider HRC Nm Motor Flange Gear Pump Rubber Spline Shaft Flexible Universal Joint Coupling

Product Description

Stainless Steel Coupling Gear Rigid Roller Chain Fluid Tyre Grid Jaw Spider HRC Nm Motor Flange Gear Pump Rubber Spline Shaft Flexible Universal Joint Coupling

Product Description

Main products
Coupling refers to a device that connects 2 shafts or shafts and rotating parts, rotates together during the transmission of motion and power, and does not disengage under normal conditions. Sometimes it is also used as a safety device to prevent the connected parts from bearing excessive load, which plays the role of overload protection.

Couplings can be divided into rigid couplings and flexible couplings.
Rigid couplings do not have buffering property and the ability to compensate the relative displacement of 2 axes. It is required that the 2 axes be strictly aligned. However, such couplings are simple in structure, low in manufacturing cost, convenient in assembly and disassembly, and maintenance, which can ensure that the 2 axes are relatively neutral, have large transmission torque, and are widely used. Commonly used are flange coupling, sleeve coupling and jacket coupling.
Flexible coupling can also be divided into flexible coupling without elastic element and flexible coupling with elastic element. The former type only has the ability to compensate the relative displacement of 2 axes, but cannot cushion and reduce vibration. Common types include slider coupling, gear coupling, universal coupling and chain coupling; The latter type contains elastic elements. In addition to the ability to compensate the relative displacement of 2 axes, it also has the functions of buffering and vibration reduction. However, due to the strength of elastic elements, the transmitted torque is generally inferior to that of flexible couplings without elastic elements. Common types include elastic sleeve pin couplings, elastic pin couplings, quincunx couplings, tire type couplings, serpentine spring couplings, spring couplings, etc

Coupling performance

1) Mobility. The movability of the coupling refers to the ability to compensate the relative displacement of 2 rotating components. Factors such as manufacturing and installation errors between connected components, temperature changes during operation and deformation under load all put CHINAMFG requirements for mobility. The movable performance compensates or alleviates the additional load between shafts, bearings, couplings and other components caused by the relative displacement between rotating components.
(2) Buffering. For the occasions where the load is often started or the working load changes, the coupling shall be equipped with elastic elements that play the role of cushioning and vibration reduction to protect the prime mover and the working machine from little or no damage.
(3) Safe, reliable, with sufficient strength and service life.
(4) Simple structure, easy to assemble, disassemble and maintain.

How to select the appropriate coupling type

The following items should be considered when selecting the coupling type.
1. The size and nature of the required transmission torque, the requirements for buffering and damping functions, and whether resonance may occur.
2. The relative displacement of the axes of the 2 shafts is caused by manufacturing and assembly errors, shaft load and thermal expansion deformation, and relative movement between components.
3. Permissible overall dimensions and installation methods, and necessary operating space for assembly, adjustment and maintenance. For large couplings, they should be able to be disassembled without axial movement of the shaft.
In addition, the working environment, service life, lubrication, sealing, economy and other conditions should also be considered, and a suitable coupling type should be selected by referring to the characteristics of various couplings.

If you cannot determine the type, you can contact our professional engineer

Related products

 

Company Profile

 

Our Equipments

Main production equipment:
Large lathe, surface grinder, milling machine, gear shaper, spline milling machine, horizontal broaching machine, gear hobbing machine, shaper, slotting machine, bench drilling machine, radial drilling machine, boring machine, band sawing machine, horizontal lathe, end milling machine, crankshaft grinder, CNC milling machine, casting equipment, etc.
Inspection equipment:
Dynamic balance tester, high-speed intelligent carbon and sulfur analyzer, Blochon optical hardness tester, Leeb hardness tester, magnetic yoke flaw detector, special detection, modular fixture (self-made), etc.

Machining equipments
Heat equipment

 

Our Factory
Application – Photos from our partner customers

Company Profile
Our leading products are mechanical transmission basic parts – couplings, mainly including universal couplings, drum gear couplings, elastic couplings and other 3 categories of more than 30 series of varieties. It is widely used in metallurgical steel rolling, wind power, hydropower, mining, engineering machinery, petrochemical, lifting, paper making, rubber, rail transit, shipbuilding and marine engineering and other industries.
Our factory takes the basic parts of national standards as the benchmark, has more than 40 years of coupling production experience, takes “scientific management, pioneering and innovation, ensuring quality and customer satisfaction” as the quality policy, and aims to continuously provide users with satisfactory products and services. The production is guided by reasonable process, and the ISO9001:2015 quality management system standard is strictly implemented. We adhere to the principle of continuous improvement and innovation of coupling products. In recent years, it has successfully developed 10 national patent products such as SWF cross shaft universal coupling, among which the double cross shaft universal joint has won the national invention patent, SWF cross shaft universal coupling has won the new product award of China’s general mechanical parts coupling industry and the ZHangZhoug Province new product science and technology project.
Our factory has strong technical force, excellent process equipment, complete professional production equipment, perfect detection means, excellent after-sales service, various products and complete specifications. At the same time, we can provide the design and manufacturing of special non-standard products according to the needs of users. Our products sell well at home and abroad, and are trusted by the majority of users. We sincerely welcome friends from all walks of life at home and abroad to visit and negotiate for common development.p

  /* 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

flexible gear coupling

Materials Used in Manufacturing Flexible Gear Couplings and Their Impact on Performance

Flexible gear couplings are designed to transmit torque while accommodating misalignments and reducing vibrations. The choice of materials for manufacturing these couplings plays a crucial role in their overall performance and suitability for specific applications. Some common materials used in flexible gear couplings include:

  • Steel: Steel is a popular material for flexible gear couplings due to its high strength and durability. It can handle substantial torque loads and provides good resistance to wear and fatigue. Steel couplings are commonly used in heavy-duty applications, such as steel mills, mining, and power generation.
  • Stainless Steel: Stainless steel is used when corrosion resistance is required, making it suitable for applications in corrosive environments like the marine, chemical, and petrochemical industries.
  • Alloy Steel: Alloy steel is used to improve specific properties, such as hardness and heat resistance. It is often employed in high-temperature applications found in steel processing and power generation.
  • Cast Iron: Cast iron is known for its excellent wear resistance and damping capabilities. It is used in applications where shock absorption and vibration reduction are critical, such as pumps and compressors.
  • Aluminum: Aluminum is lightweight and offers good corrosion resistance, making it suitable for applications where weight reduction is important, such as aerospace and certain industrial machinery.
  • Bronze: Bronze is used for its self-lubricating properties and resistance to wear. It is often found in couplings used in low-speed applications, such as conveyor systems.
  • Nylon and Plastics: Nylon and other plastics are used in some couplings where electrical isolation and lightweight properties are essential, such as in medical equipment and certain automation systems.

The selection of materials depends on the specific requirements of the application, including torque, speed, temperature, environmental conditions, and the presence of corrosive substances. Proper material selection ensures that the flexible gear coupling can operate efficiently and reliably, providing optimal performance and minimizing maintenance needs.

flexible gear coupling

Comparison of Flexible Gear Couplings with Diaphragm Couplings and Beam Couplings

Flexible gear couplings, diaphragm couplings, and beam couplings are all types of flexible couplings used in mechanical power transmission systems. Each type has its unique characteristics and advantages:

  • Flexible Gear Couplings: These couplings consist of gear teeth that mesh together to transmit torque. They are known for their high torque capacity, ability to accommodate misalignment, and torsional stiffness. Flexible gear couplings are commonly used in heavy machinery, such as industrial conveyors and mining equipment, where high torque and misalignment compensation are required.
  • Diaphragm Couplings: Diaphragm couplings utilize a thin metal diaphragm to transmit torque between the shafts. They are ideal for applications that demand high precision and no backlash. Diaphragm couplings offer excellent torsional rigidity and can handle axial, angular, and parallel misalignments. They are often used in precision machinery, robotics, and medical equipment.
  • Beam Couplings: Beam couplings consist of one or more helical cuts along a cylindrical coupling body. They are known for their flexibility, zero backlash, and compact design. Beam couplings can handle misalignment and are suitable for applications with limited space, such as small motors and positioning systems.

The choice between flexible gear couplings, diaphragm couplings, and beam couplings depends on the specific requirements of the application:

  • Flexible gear couplings are preferred for high-torque and heavy-duty applications with substantial misalignments.
  • Diaphragm couplings excel in applications where precision and backlash-free operation are critical.
  • Beam couplings are suitable for compact systems and applications with limited misalignment.

Each type of coupling has its strengths and limitations, and selecting the most appropriate one depends on factors like torque requirements, misalignment, precision, space constraints, and environmental conditions. Consulting with coupling manufacturers or experts can help in making the right choice for a specific application.

“`flexible gear coupling

Advantages of Flexible Gear Couplings

Flexible gear couplings offer several advantages over other types of couplings:

  1. Misalignment Compensation: Flexible gear couplings can accommodate angular, parallel, and axial misalignments between the connected shafts. This ability to compensate for misalignment reduces stress on the machinery, shafts, and bearings, leading to improved overall system reliability and reduced maintenance requirements.
  2. Vibration Damping: The elastomeric flexible element in the coupling acts as a damping mechanism, absorbing vibrations and shocks during operation. This feature helps in reducing noise levels and protecting the connected equipment from damage caused by excessive vibrations.
  3. High Torque Transmission: Flexible gear couplings are designed to handle high torque loads, making them suitable for heavy-duty applications in various industries.
  4. Compact Design: Compared to some other types of couplings, flexible gear couplings have a relatively compact design, making them suitable for applications with space constraints.
  5. Easy Installation and Maintenance: The simple design and flexible nature of these couplings make them easy to install and maintain, minimizing downtime and associated costs.
  6. Reliability: Flexible gear couplings are known for their reliability and long service life, ensuring uninterrupted power transmission in critical industrial processes.
  7. Torsional Flexibility: The elastomeric material used in the coupling provides high torsional flexibility, enabling smooth torque transmission even in applications with varying loads and speeds.

Overall, the advantages of flexible gear couplings make them a popular choice for power transmission systems in various industries, including mining, steel, paper, and chemical processing, where the demands for performance, reliability, and durability are essential.

China OEM Stainless Steel Coupling Gear Rigid Roller Chain Fluid Tyre Grid Jaw Spider HRC Nm Motor Flange Gear Pump Rubber Spline Shaft Flexible Universal Joint Coupling  China OEM Stainless Steel Coupling Gear Rigid Roller Chain Fluid Tyre Grid Jaw Spider HRC Nm Motor Flange Gear Pump Rubber Spline Shaft Flexible Universal Joint Coupling
editor by CX 2024-05-06

China OEM OEM 2404110115 for Mercedes Drive Propshaft Flex Shaft Coupling Flexible

Product Description

Basic Info.

Model NO. 245710115 Parts Shaft Coupling
Dimension(mm) 8*12*120 Trademark YTK or Customized
Price Negotiable Transport Packing Neutral Packing & Customized
Exportation ZheJiang Port Bearing Quality ZV3 Level
Warranty One Year or Above Laser Mark Available
Applicable Models Mercedes-Benz Production Capacity 60, Φ30 CB   Φ35   Φ40 3535730 Φ60
Φ60 Φ60 6 Φ65

-FAQ:

 

Q1. What is your terms of packing?

      Generally, we pack our goods in neutral  boxes and brown cartons or as your demand.
       If you have legally registered patent,we can pack the goods in your branded boxes after getting your authorization letters.

 

Q2. What is your terms of delivery?

       EXW, FOB, CIF, CFR

 

Q3. How about your delivery time?

      Generally, it will take 10 to 30 days after receiving your advance payment.
      The specific delivery time depends on the items and the quantity of your order.

  /* 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

flexible coupling

What are the real-world applications of flexible couplings in various industries?

Flexible couplings are widely used in a variety of industries to transmit power and motion between rotating shafts while accommodating misalignments and reducing vibrations. Some of the real-world applications of flexible couplings include:

  • Industrial Machinery: Flexible couplings are extensively used in industrial machinery such as pumps, compressors, fans, mixers, and conveyors. They help transmit power from motors to driven equipment, while absorbing misalignments and reducing shock loads and vibrations.
  • Automotive: In the automotive industry, flexible couplings are used in various applications, including drive shafts, steering systems, and engine accessories. They help transmit power and motion while allowing for misalignment and reducing torsional vibrations.
  • Aerospace: In aircraft and aerospace applications, flexible couplings are used in engine systems, landing gear, and flight control systems. They provide reliable power transmission while accommodating misalignment and reducing vibrations in the demanding aerospace environment.
  • Marine: Flexible couplings are used in marine propulsion systems to connect the engine to the propeller shaft. They help transmit power and motion while compensating for shaft misalignment and reducing vibrations in marine vessels.
  • Renewable Energy: In wind turbines and solar tracking systems, flexible couplings are used to transfer power and motion between the turbine or solar panel and the generator. They allow for misalignment caused by wind and sun direction changes, ensuring optimal energy conversion.
  • Oil and Gas: In the oil and gas industry, flexible couplings are used in pumps, compressors, and drilling equipment. They provide reliable power transmission while accommodating misalignments and reducing vibrations in harsh and demanding oilfield environments.
  • Mining and Construction: Flexible couplings are used in heavy-duty mining and construction equipment, including excavators, bulldozers, and loaders. They help transmit power from engines to drive systems while compensating for misalignments and reducing vibrations in rugged and challenging environments.
  • Food and Beverage: In food processing and packaging machinery, flexible couplings are used to transmit power and motion while meeting strict hygiene and safety requirements. They help prevent contamination while accommodating shaft misalignments.
  • Medical Equipment: Flexible couplings are used in medical devices and equipment, including imaging machines and robotic surgical systems. They help transmit motion and power while reducing vibrations and maintaining precision.
  • Textile Industry: In textile manufacturing machines, flexible couplings are used in spinning, weaving, and dyeing processes. They help transmit power efficiently while accommodating misalignments and reducing vibrations during high-speed operation.

These are just a few examples of the diverse applications of flexible couplings in various industries. Their ability to enhance power transmission efficiency, accommodate misalignments, and reduce vibrations makes them a versatile and indispensable component in modern machinery and equipment.

flexible coupling

What are the common signs of wear and failure in flexible couplings?

Flexible couplings can experience wear and failure over time, which may lead to operational issues and potential equipment damage. Some common signs of wear and failure in flexible couplings include:

  • Excessive Vibrations: An increase in vibrations during operation can indicate wear or misalignment in the flexible coupling. Excessive vibrations can also lead to additional wear on connected equipment.
  • Strange Noises: Unusual noises, such as squealing, rattling, or clunking sounds, may indicate misalignment, fatigue, or damaged elements in the flexible coupling.
  • Increased Heat: If a flexible coupling is operating at a higher temperature than usual, it could indicate increased friction due to wear or improper lubrication.
  • Visible Damage: Physical inspection may reveal visible signs of wear, such as cracks, tears, or distortion in the flexible coupling’s components.
  • Reduced Performance: A decrease in the performance of the connected machinery, such as lower speed or torque transmission, may be a sign of coupling wear.
  • Looseness or Play: Excessive play or looseness in the coupling may indicate worn or damaged components, which can lead to misalignment and decreased efficiency.
  • Leakage: In the case of fluid-filled couplings, leakage of the fluid can indicate seal damage or wear in the coupling.
  • Cracks or Corrosion: Cracks or signs of corrosion on metallic components of the coupling can indicate material fatigue or exposure to harsh environmental conditions.
  • Uneven Wear: Uneven wear patterns on coupling elements or unusual wear at specific points can be indicative of misalignment or excessive torque.
  • Increased Friction: If the flexible coupling starts to exhibit increased resistance or friction during operation, it may be a sign of wear or inadequate lubrication.

Regular maintenance and inspection are essential to identify these signs of wear and failure early on and prevent further damage to the flexible coupling and connected equipment. Timely replacement or repair of worn or damaged components can help maintain the reliability and efficiency of the system.

flexible coupling

What are the differences between elastomeric and metallic flexible coupling designs?

Elastomeric and metallic flexible couplings are two distinct designs used to transmit torque and accommodate misalignment in mechanical systems. Each type offers unique characteristics and advantages, making them suitable for different applications.

Elastomeric Flexible Couplings:

Elastomeric flexible couplings, also known as flexible or jaw couplings, employ an elastomeric material (rubber or similar) as the flexible element. The elastomer is typically molded between two hubs, and it acts as the connector between the driving and driven shafts. The key differences and characteristics of elastomeric couplings include:

  • Misalignment Compensation: Elastomeric couplings are designed to handle moderate levels of angular, parallel, and axial misalignment. The elastomeric material flexes to accommodate the misalignment while transmitting torque between the shafts.
  • Vibration Damping: The elastomeric material in these couplings offers excellent vibration dampening properties, reducing the transmission of vibrations from one shaft to another. This feature helps protect connected equipment from excessive vibrations and enhances system reliability.
  • Shock Load Absorption: Elastomeric couplings can absorb and dampen shock loads, protecting the system from sudden impacts or overloads.
  • Cost-Effective: Elastomeric couplings are generally more cost-effective compared to metallic couplings, making them a popular choice for various industrial applications.
  • Simple Design and Installation: Elastomeric couplings often have a straightforward design, allowing for easy installation and maintenance.
  • Lower Torque Capacity: These couplings have a lower torque capacity compared to metallic couplings, making them suitable for applications with moderate torque requirements.
  • Common Applications: Elastomeric couplings are commonly used in pumps, compressors, fans, conveyors, and other applications that require moderate torque transmission and misalignment compensation.

Metallic Flexible Couplings:

Metallic flexible couplings use metal components (such as steel, stainless steel, or aluminum) to connect the driving and driven shafts. The metallic designs can vary significantly depending on the type of metallic coupling, but some general characteristics include:

  • High Torque Capacity: Metallic couplings have higher torque transmission capabilities compared to elastomeric couplings. They are well-suited for applications requiring high torque handling.
  • Misalignment Compensation: Depending on the design, some metallic couplings can accommodate minimal misalignment, but they are generally not as flexible as elastomeric couplings in this regard.
  • Stiffer Construction: Metallic couplings are generally stiffer than elastomeric couplings, offering less vibration dampening but higher torsional stiffness.
  • Compact Design: Metallic couplings can have a more compact design, making them suitable for applications with limited space.
  • Higher Precision: Metallic couplings often offer higher precision and concentricity, resulting in better shaft alignment.
  • Higher Cost: Metallic couplings are typically more expensive than elastomeric couplings due to their construction and higher torque capacity.
  • Common Applications: Metallic couplings are commonly used in high-speed machinery, precision equipment, robotics, and applications with high torque requirements.

Summary:

In summary, the main differences between elastomeric and metallic flexible coupling designs lie in their flexibility, torque capacity, vibration dampening, cost, and applications. Elastomeric couplings are suitable for applications with moderate torque, misalignment compensation, and vibration dampening requirements. On the other hand, metallic couplings are chosen for applications with higher torque and precision requirements, where flexibility and vibration dampening are less critical.

China OEM OEM 2404110115 for Mercedes Drive Propshaft Flex Shaft Coupling Flexible  China OEM OEM 2404110115 for Mercedes Drive Propshaft Flex Shaft Coupling Flexible
editor by CX 2024-04-22

China OEM Cast Ironl Standard FCL 180 Flexible Gear Shaft Coupling in Pump

Product Description

Product Description

      FCL Coupling/Shaft Coupling /Pin & Bush Coupling /FCL Flexible Coupling/NBK FCL Coupling is widely used for its compacts designing, easy installation, convenient maintenance, small and light weight. 
     As long as the relative displacement between shafts is kept within the specified tolerance, couplings will operate the best function and have a longer working life.
     Thus it is greatly demanded in medium and minor power transmission systems driven by motors, such as speed reducers, hoists, compressors, conveyors, spinning and weaving machines and ball mills.

Technical Date

KASIN No. A d L C1 C2 B F1 F2 n a M t   Parts No. Max. Torque Max.R.P.M Eccentricity Angularity End-Play
FCL 1/8822 0571 -57152031              Fax: 86~/8822 0571 -57152030
 
Http://kasinchain   

/* 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

flexible gear coupling

Safety Considerations When Using Flexible Gear Couplings in Critical Applications

Flexible gear couplings are widely used in critical applications where safety and reliability are of utmost importance. While these couplings are designed to accommodate misalignments and reduce vibrations, there are some safety considerations to keep in mind:

  • Proper Installation: Ensure that the flexible gear coupling is installed correctly according to the manufacturer’s guidelines. Improper installation can lead to premature failure and safety hazards.
  • Regular Inspection: Perform regular inspections and maintenance to identify any signs of wear, damage, or misalignment. Addressing issues promptly can prevent unexpected failures.
  • Torque and Speed Ratings: Adhere to the specified torque and speed ratings of the coupling. Operating the coupling beyond its limits can lead to catastrophic failure.
  • Environmental Conditions: Consider the environmental conditions in which the coupling will operate. Factors such as temperature, humidity, and the presence of corrosive substances can impact the coupling’s performance and safety.
  • Emergency Stop Mechanism: In critical applications, it is essential to have an emergency stop mechanism in place to quickly disengage the coupling during emergencies.
  • Overload Protection: Implement overload protection systems to prevent excessive torque transmission, which could cause damage to connected equipment.
  • Periodic Maintenance: Follow a regular maintenance schedule to ensure that the coupling remains in optimal condition and to identify any potential safety risks.
  • Training and Awareness: Ensure that personnel operating and maintaining the equipment are adequately trained and aware of the safety considerations related to the flexible gear coupling.

By adhering to these safety considerations and following best practices, the use of flexible gear couplings in critical applications can contribute to safe and reliable operation, reducing the risk of downtime and costly failures.

flexible gear coupling

Comparison of Flexible Gear Couplings with Diaphragm Couplings and Beam Couplings

Flexible gear couplings, diaphragm couplings, and beam couplings are all types of flexible couplings used in mechanical power transmission systems. Each type has its unique characteristics and advantages:

  • Flexible Gear Couplings: These couplings consist of gear teeth that mesh together to transmit torque. They are known for their high torque capacity, ability to accommodate misalignment, and torsional stiffness. Flexible gear couplings are commonly used in heavy machinery, such as industrial conveyors and mining equipment, where high torque and misalignment compensation are required.
  • Diaphragm Couplings: Diaphragm couplings utilize a thin metal diaphragm to transmit torque between the shafts. They are ideal for applications that demand high precision and no backlash. Diaphragm couplings offer excellent torsional rigidity and can handle axial, angular, and parallel misalignments. They are often used in precision machinery, robotics, and medical equipment.
  • Beam Couplings: Beam couplings consist of one or more helical cuts along a cylindrical coupling body. They are known for their flexibility, zero backlash, and compact design. Beam couplings can handle misalignment and are suitable for applications with limited space, such as small motors and positioning systems.

The choice between flexible gear couplings, diaphragm couplings, and beam couplings depends on the specific requirements of the application:

  • Flexible gear couplings are preferred for high-torque and heavy-duty applications with substantial misalignments.
  • Diaphragm couplings excel in applications where precision and backlash-free operation are critical.
  • Beam couplings are suitable for compact systems and applications with limited misalignment.

Each type of coupling has its strengths and limitations, and selecting the most appropriate one depends on factors like torque requirements, misalignment, precision, space constraints, and environmental conditions. Consulting with coupling manufacturers or experts can help in making the right choice for a specific application.

“`flexible gear coupling

Accommodating Misalignment and Reducing Vibrations in Flexible Gear Couplings

Flexible gear couplings use an elastomeric flexible element, often made of high-quality rubber, to connect the two gear hubs. This design allows the coupling to accommodate misalignment between the connected shafts and reduce vibrations during operation.

1. Misalignment Accommodation: The flexible nature of the elastomeric element allows it to bend and flex as the shafts move out of alignment. Flexible gear couplings can accommodate three main types of misalignment:

  • Angular Misalignment: Occurs when the shafts are not parallel and are at an angle to each other.
  • Parallel Misalignment: Occurs when the shafts are not in a straight line but are parallel to each other.
  • Axial Misalignment: Occurs when the shafts are displaced along their axis.

The ability to handle these types of misalignment is crucial in various industrial applications where machinery may experience movement, thermal expansion, or other dynamic forces.

2. Vibration Reduction: The elastomeric material in the flexible gear coupling acts as a damping mechanism. It absorbs and dissipates vibrations and shocks generated during operation. This damping effect helps in reducing noise levels and protects the connected equipment from damage caused by excessive vibrations.

Overall, the combination of misalignment accommodation and vibration reduction in flexible gear couplings contributes to improved system reliability, reduced maintenance requirements, and extended machinery life.

China OEM Cast Ironl Standard FCL 180 Flexible Gear Shaft Coupling in Pump  China OEM Cast Ironl Standard FCL 180 Flexible Gear Shaft Coupling in Pump
editor by CX 2024-04-19

China OEM Flexible Drum Gear Coupling Shaft Coupling

Product Description

                             

Flexible Drum Gear Coupling Shaft Coupling 

Drum type coupling is just flexible coupling, coupling is made within the same number of ring gear and belt tooth flange half couplings and other parts. Divided into straight teeth and drum tooth outside 2 kinds of tooth profile, drum gear coupling Allows a larger angular displacement (as opposed to straight tooth coupling), can improve the tooth contact conditions, improve the ability to transfer torque, prolong service life.
With the radial, axial and angular and axial deviation compensation ability, has the advantages of compact structure, small turning radius, its large carrying capacity, high transmission efficiency, low noise and long maintenance cycle, especially suitable for low speed and heavy load condition, such as metallurgy, mining, lifting, transportation and other industries are also applicable to the drive shaft of petroleum and chemical industry, general machinery and other kinds of machinery.

 

Model

Tn(N.m)

[n](r/min)

       d1,d2,dz

 

D

C

C1

C2

Kg.m2

Kg

Y

Z1,J1

L

GICL1

630

71

21

19

16

15

14

13

1200

470

380

855

13

44

167.41

2263

Production Pictures
           

Company Profile

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

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

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

Our Services

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

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

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

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

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

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 customers with customized PDF or AI format artwork.

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

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

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

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

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

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

Q 9: What’s your payment?
A:1) T/T. 

Contact Us

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

/* 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

flexible gear coupling

Safety Considerations When Using Flexible Gear Couplings in Critical Applications

Flexible gear couplings are widely used in critical applications where safety and reliability are of utmost importance. While these couplings are designed to accommodate misalignments and reduce vibrations, there are some safety considerations to keep in mind:

  • Proper Installation: Ensure that the flexible gear coupling is installed correctly according to the manufacturer’s guidelines. Improper installation can lead to premature failure and safety hazards.
  • Regular Inspection: Perform regular inspections and maintenance to identify any signs of wear, damage, or misalignment. Addressing issues promptly can prevent unexpected failures.
  • Torque and Speed Ratings: Adhere to the specified torque and speed ratings of the coupling. Operating the coupling beyond its limits can lead to catastrophic failure.
  • Environmental Conditions: Consider the environmental conditions in which the coupling will operate. Factors such as temperature, humidity, and the presence of corrosive substances can impact the coupling’s performance and safety.
  • Emergency Stop Mechanism: In critical applications, it is essential to have an emergency stop mechanism in place to quickly disengage the coupling during emergencies.
  • Overload Protection: Implement overload protection systems to prevent excessive torque transmission, which could cause damage to connected equipment.
  • Periodic Maintenance: Follow a regular maintenance schedule to ensure that the coupling remains in optimal condition and to identify any potential safety risks.
  • Training and Awareness: Ensure that personnel operating and maintaining the equipment are adequately trained and aware of the safety considerations related to the flexible gear coupling.

By adhering to these safety considerations and following best practices, the use of flexible gear couplings in critical applications can contribute to safe and reliable operation, reducing the risk of downtime and costly failures.

flexible gear coupling

Comparison of Flexible Gear Couplings with Diaphragm Couplings and Beam Couplings

Flexible gear couplings, diaphragm couplings, and beam couplings are all types of flexible couplings used in mechanical power transmission systems. Each type has its unique characteristics and advantages:

  • Flexible Gear Couplings: These couplings consist of gear teeth that mesh together to transmit torque. They are known for their high torque capacity, ability to accommodate misalignment, and torsional stiffness. Flexible gear couplings are commonly used in heavy machinery, such as industrial conveyors and mining equipment, where high torque and misalignment compensation are required.
  • Diaphragm Couplings: Diaphragm couplings utilize a thin metal diaphragm to transmit torque between the shafts. They are ideal for applications that demand high precision and no backlash. Diaphragm couplings offer excellent torsional rigidity and can handle axial, angular, and parallel misalignments. They are often used in precision machinery, robotics, and medical equipment.
  • Beam Couplings: Beam couplings consist of one or more helical cuts along a cylindrical coupling body. They are known for their flexibility, zero backlash, and compact design. Beam couplings can handle misalignment and are suitable for applications with limited space, such as small motors and positioning systems.

The choice between flexible gear couplings, diaphragm couplings, and beam couplings depends on the specific requirements of the application:

  • Flexible gear couplings are preferred for high-torque and heavy-duty applications with substantial misalignments.
  • Diaphragm couplings excel in applications where precision and backlash-free operation are critical.
  • Beam couplings are suitable for compact systems and applications with limited misalignment.

Each type of coupling has its strengths and limitations, and selecting the most appropriate one depends on factors like torque requirements, misalignment, precision, space constraints, and environmental conditions. Consulting with coupling manufacturers or experts can help in making the right choice for a specific application.

“`flexible gear coupling

Proper Installation of Flexible Gear Couplings for Optimal Performance and Reliability

Proper installation of a flexible gear coupling is crucial to ensure its optimal performance, reliability, and longevity. Here are the steps to follow for a successful installation:

  1. Inspect the Coupling: Before installation, carefully inspect the coupling components, including the hubs, gear teeth, and flexible element, for any damage or defects.
  2. Clean the Components: Ensure that all components are clean and free from dirt, debris, and any contaminants that could affect the coupling’s performance.
  3. Check Alignment: Verify that the shafts of the connected equipment are properly aligned within the manufacturer’s recommended tolerances. Misalignment can lead to premature wear and failure of the coupling.
  4. Grease or Lubricate: Apply the appropriate coupling lubricant or grease to the gear teeth and the flexible element. Lubrication helps reduce friction, heat generation, and wear.
  5. Assemble the Coupling: Carefully assemble the coupling by aligning the gear teeth of the hubs and the internal sleeve. Follow the manufacturer’s guidelines for the correct orientation and positioning.
  6. Tighten Fasteners: Gradually tighten the fasteners, such as bolts or screws, in a cross-pattern to ensure even pressure distribution. Do not overtighten, as it can cause deformation of the coupling components.
  7. Perform a Trial Run: After installation, perform a trial run to check for any abnormalities, unusual noises, or vibrations. Monitor the coupling during the trial run to detect any potential issues.
  8. Regular Maintenance: Implement a regular maintenance schedule to inspect and lubricate the coupling periodically. Follow the manufacturer’s maintenance guidelines to ensure the coupling’s continued performance and reliability.
  9. Replace Worn Components: If any components of the coupling show signs of wear or damage during maintenance inspections, replace them promptly to prevent further issues.

It is essential to follow the manufacturer’s installation instructions and guidelines specific to the flexible gear coupling model to achieve the best results. Proper installation enhances the coupling’s ability to handle misalignment, transmit torque efficiently, and ensure reliable operation in the power transmission system.

China OEM Flexible Drum Gear Coupling Shaft Coupling  China OEM Flexible Drum Gear Coupling Shaft Coupling
editor by CX 2024-04-08

China Hot selling OEM Marine Shaft Couplings/Marine Flexible Coupling

Product Description

OEM Marine Shaft Couplings/Marine Flexible Coupling

Application:

The shaft coupling is the component to be joined the propeller shaft and the gearbox output flange.
Some are bolted directly to the gearbox but many users adopt a flexible couplings like R&D flexible couplings.

In general, there are some types of shaft coupling as following:
Standard coupling
CHINAMFG Half Coupling
Clamp on or split half coupling
Bobbin Coupling
Coupling adapter

Marine Propeller Shaft Coupling
Material: Steel, stainless steel, Alloy steel;
Processing methods: ingot—forging—heat treatment—rough machining—UT.MT—Q+T—inspection—finishing machining—UT.MT—packing
Dimension: Min.OD 300mm,wall thickness:min.100mm;length:150-4000mm
Standard: ASTM,JIS,DIN,ISO,API,EN
Package: Wooden cases,steel strip and wooden pallets or wooden cases

WE CAN DESIGN AND MANUFACTURE THE WHOLE SET OF PROPULSION SYSTEM.

IF YOU ARE INTERESTED IN OUR PRODUCTS, PLEASE FEEL FREE TO CONTACT ME.
  /* 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

flexible gear coupling

Compensation for Axial, Angular, and Parallel Misalignments with Flexible Gear Couplings

Flexible gear couplings are known for their ability to accommodate various types of misalignments, including axial, angular, and parallel misalignments. Here’s how they compensate for each type:

  • Axial Misalignment: Axial misalignment occurs when the two shafts move closer or farther away from each other along the axis of rotation. Flexible gear couplings can absorb this type of misalignment through their flexible design, allowing the gear teeth to articulate and adjust to the axial movement without transmitting harmful forces to the connected equipment.
  • Angular Misalignment: Angular misalignment occurs when the two shafts are not collinear and form an angle with each other. Flexible gear couplings can accommodate angular misalignment by allowing the gear teeth to articulate and flex as the shafts are angularly displaced. This flexibility ensures that torque transmission remains smooth and minimizes stress on the coupling and connected equipment.
  • Parallel Misalignment: Parallel misalignment happens when the two shafts are offset horizontally while maintaining parallelism. Flexible gear couplings can handle this misalignment by utilizing their flexible elements to adjust to the lateral displacement of the shafts. The ability to compensate for parallel misalignment prevents excessive forces from being transmitted to the machinery, protecting it from damage.

Thanks to their design and material properties, flexible gear couplings provide a reliable solution for compensating for axial, angular, and parallel misalignments, making them suitable for a wide range of applications in various industries.

flexible gear coupling

Enhanced Performance of Flexible Gear Couplings through Gear Teeth Flexibility

The flexibility of gear teeth in flexible gear couplings plays a crucial role in enhancing their overall performance. This flexibility allows the coupling to compensate for misalignments and absorb shocks and vibrations, providing several key benefits:

  • Misalignment Compensation: As the machinery operates, shafts may experience angular, parallel, or axial misalignments due to various factors like thermal expansion, foundation settlement, or manufacturing tolerances. The flexible gear teeth in the coupling can accommodate these misalignments by slight bending or elastic deformation, ensuring the smooth transmission of torque between the shafts despite their misaligned positions.
  • Vibration Damping: During operation, rotating equipment can generate vibrations caused by uneven loads, resonance, or other factors. The flexible gear teeth act as shock absorbers, dampening these vibrations and preventing them from propagating throughout the system. This helps reduce noise, wear, and stress on the machinery components, contributing to smoother and quieter operation.
  • Load Distribution: The flexibility of the gear teeth allows the coupling to distribute the transmitted load evenly across the entire tooth surface. This even load distribution reduces wear and fatigue on the gear teeth, increasing the coupling’s overall lifespan and reliability.
  • Overload Protection: In case of sudden shock loads or overloads, the flexible gear teeth can absorb part of the impact, protecting the connected equipment from damage. This feature is especially important in applications with variable loads or potential shock events.
  • Torsional Flexibility: The gear teeth’s flexibility enables the coupling to handle torsional movements, ensuring that torque is smoothly transferred between the shafts even if they are not perfectly aligned. This feature helps maintain constant velocity transmission, critical in precision systems.

Overall, the flexibility of gear teeth in flexible gear couplings allows these couplings to adapt to changing conditions, provide protection against unexpected forces, and improve the performance and reliability of mechanical power transmission systems.

flexible gear coupling

Industry Standards and Certifications for Flexible Gear Couplings

Flexible gear couplings are essential components in mechanical power transmission systems, and there are industry standards and certifications that govern their design, manufacturing, and performance. Some of the most commonly recognized standards and certifications for flexible gear couplings include:

  • ISO 9001: This certification ensures that the manufacturer follows a quality management system that meets international standards, ensuring consistent and reliable production of flexible gear couplings.
  • AGMA Standards: The American Gear Manufacturers Association (AGMA) has published various standards related to gear couplings, including AGMA 9002 for flexible couplings, which provides guidelines for design, selection, installation, and lubrication.
  • API Standards: The American Petroleum Institute (API) has established standards for couplings used in the oil and gas industry. API 671 specifically covers the requirements for special-purpose couplings, including gear couplings, used in petroleum, chemical, and gas industry services.
  • CE Marking: The CE marking indicates that the flexible gear coupling complies with the European Union’s health, safety, and environmental protection standards, making it eligible for sale within the EU market.
  • ATEX Certification: If the flexible gear coupling is intended for use in potentially explosive atmospheres, it may require ATEX certification, which ensures compliance with European Union directives for explosive atmosphere protection.

When selecting a flexible gear coupling, it is essential to verify if it conforms to the necessary industry standards and certifications to ensure the coupling’s performance, safety, and reliability in your specific application.

China Hot selling OEM Marine Shaft Couplings/Marine Flexible Coupling  China Hot selling OEM Marine Shaft Couplings/Marine Flexible Coupling
editor by CX 2024-04-04

China OEM Transmission Parts Shaft Coupling Gear Coupling Size 1010 with Good Price gear coupling

Product Description


Product Description

We are the leading top Chinese coupling manufacturer, and are specializing in various high quality coupling.

KASIN COUPLINGS:

1. Material: the hub of the Couplings is Cast Iron,Cast steel,forged steel, the Elastomer is Rubber.
2. OEM and ODM are available.
3. High efficiency in transmission.
4. Finishing: The surface treatment is normally blackening.
5. High quality with competitive price.
6. Different models suitable for your different demands.

7. Stock for different bore size on both sides available.
8. Application in wide range of environment.
9. Quick and easy mounting and disassembly.
10. Resistant to oil and electrical insulation.
11. Identical clockwise and anticlockwise rotational characteristics.
12. Small dimension, low weight, high transmitted torque.
13. It has good performance on compensating the misalignment.
14.Feature of couplings:free of maintenance,simple structure and easy to install.
15.Application:Mainly used in the mining, metallurgical, cement, chemicals, construction, building materials, electric power, telecommunications, textiles, and transportation departments.

Related Products 

                              Roller Chain Coupling                                               FCL Coupling                                                   Curved Jaw Coupling

Manufacturing

Applications:  

C ouplings are offered in the industry’s largest variety of stock bore/keyway combinations. These couplings require no lubrication and provide highly reliable service for light, medium, and heavy duty electrical motor and internal combustion power transmission applications.  Applications include power transmission to industrial equipment such as pumps, gear boxes, compressors, blowers, mixers, and conveyors.

About Us

Kasin group was established in 1989, and its first product is casting carrier trolley for power & free conveyor system. In 1995, CHINAMFG purchased HangZhou Guoping Forging Factory (LYGP), a marketer of forging bolts & nuts to power & free line market in china. With this acquisition, CHINAMFG positioned itself as 1 of major parts suppliers of monorail and power & free conveyor system in china.

In 2/8822 0571 -57152031              Fax: 86~/8822 0571 -57152030

 
Http://kasinchain      

/* 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

flange coupling

Materials Used in Manufacturing Gear Couplings

Gear couplings are designed to transmit torque between shafts while accommodating misalignment. To ensure the durability and reliability of gear couplings, manufacturers use a variety of materials, each with its specific properties. Commonly used materials in manufacturing gear couplings include:

  • Steel: Steel is the most widely used material for gear couplings. It offers excellent strength, durability, and resistance to wear and fatigue. Steel gear couplings are suitable for a wide range of applications, including heavy-duty industrial machinery.
  • Stainless Steel: Stainless steel is chosen for gear couplings that require resistance to corrosion and high-temperature environments. Stainless steel couplings are commonly used in food processing, pharmaceutical, and chemical industries.
  • Alloy Steel: Alloy steel is utilized to enhance specific properties, such as increased strength and improved performance under high loads and extreme conditions. Alloy steel gear couplings are ideal for demanding applications in heavy industries.
  • Cast Iron: Cast iron is known for its excellent machinability and good resistance to wear. Cast iron gear couplings are suitable for low to moderate torque applications and can be cost-effective in certain scenarios.
  • Non-Metallic Materials: In some cases, non-metallic materials like nylon or urethane may be used for specific gear coupling applications, especially in situations where electrical isolation or chemical resistance is required.

The choice of material depends on the application’s demands, including the torque, speed, environmental conditions, and budget considerations. Gear coupling manufacturers carefully select materials that will provide optimal performance and longevity while meeting the specific requirements of the intended application.

China OEM Transmission Parts Shaft Coupling Gear Coupling Size 1010 with Good Price  gear couplingChina OEM Transmission Parts Shaft Coupling Gear Coupling Size 1010 with Good Price  gear coupling
editor by CX 2024-03-28

China Custom OEM Marine Shaft Couplings/Marine Flexible Coupling

Product Description

OEM Marine Shaft Couplings/Marine Flexible Coupling

Application:

The shaft coupling is the component to be joined the propeller shaft and the gearbox output flange.
Some are bolted directly to the gearbox but many users adopt a flexible couplings like R&D flexible couplings.

In general, there are some types of shaft coupling as following:
Standard coupling
Solid Half Coupling
Clamp on or split half coupling
Bobbin Coupling
Coupling adapter

Marine Propeller Shaft Coupling
Material: Steel, stainless steel, Alloy steel;
Processing methods: ingot—forging—heat treatment—rough machining—UT.MT—Q+T—inspection—finishing machining—UT.MT—packing
Dimension: Min.OD 300mm,wall thickness:min.100mm;length:150-4000mm
Standard: ASTM,JIS,DIN,ISO,API,EN
Package: Wooden cases,steel strip and wooden pallets or wooden cases

WE CAN DESIGN AND MANUFACTURE THE WHOLE SET OF PROPULSION SYSTEM.

IF YOU ARE INTERESTED IN OUR PRODUCTS, PLEASE FEEL FREE TO CONTACT ME.
  /* 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

flexible gear coupling

Safety Considerations When Using Flexible Gear Couplings in Critical Applications

Flexible gear couplings are widely used in critical applications where safety and reliability are of utmost importance. While these couplings are designed to accommodate misalignments and reduce vibrations, there are some safety considerations to keep in mind:

  • Proper Installation: Ensure that the flexible gear coupling is installed correctly according to the manufacturer’s guidelines. Improper installation can lead to premature failure and safety hazards.
  • Regular Inspection: Perform regular inspections and maintenance to identify any signs of wear, damage, or misalignment. Addressing issues promptly can prevent unexpected failures.
  • Torque and Speed Ratings: Adhere to the specified torque and speed ratings of the coupling. Operating the coupling beyond its limits can lead to catastrophic failure.
  • Environmental Conditions: Consider the environmental conditions in which the coupling will operate. Factors such as temperature, humidity, and the presence of corrosive substances can impact the coupling’s performance and safety.
  • Emergency Stop Mechanism: In critical applications, it is essential to have an emergency stop mechanism in place to quickly disengage the coupling during emergencies.
  • Overload Protection: Implement overload protection systems to prevent excessive torque transmission, which could cause damage to connected equipment.
  • Periodic Maintenance: Follow a regular maintenance schedule to ensure that the coupling remains in optimal condition and to identify any potential safety risks.
  • Training and Awareness: Ensure that personnel operating and maintaining the equipment are adequately trained and aware of the safety considerations related to the flexible gear coupling.

By adhering to these safety considerations and following best practices, the use of flexible gear couplings in critical applications can contribute to safe and reliable operation, reducing the risk of downtime and costly failures.

flexible gear coupling

Potential Causes of Failure in Flexible Gear Couplings and Prevention

Flexible gear couplings, like any mechanical component, may experience failures if not properly maintained or operated. Some potential causes of failure and ways to prevent them include:

  • Misalignment: Misalignment between the shafts can cause excessive stress on the coupling components, leading to failure. Regularly check and align the shafts to ensure they are properly aligned within specified tolerances.
  • Overloading: Exceeding the rated torque capacity of the coupling can result in premature failure. Always operate within the recommended torque limits and avoid sudden shock loads.
  • Poor Lubrication: Inadequate or improper lubrication can lead to increased friction, wear, and overheating. Follow the manufacturer’s guidelines for lubrication frequency and use the correct type of lubricant.
  • Corrosion: Exposure to corrosive environments can degrade the coupling’s material over time. Select couplings made from corrosion-resistant materials or use protective coatings when necessary.
  • Fatigue: Cyclic loading and continuous operation can cause fatigue failure in flexible gear couplings. Ensure the coupling is rated for the application’s required number of cycles and replace it if it shows signs of fatigue or wear.
  • Temperature: Operating the coupling at temperatures beyond its limits can lead to material degradation and reduced performance. Check the coupling’s temperature rating and operate within the specified range.

Regular inspection, maintenance, and adherence to the manufacturer’s guidelines are essential to prevent failure and ensure the reliable performance of flexible gear couplings. Implementing preventive measures can extend the couplings’ lifespan, minimize downtime, and enhance the overall efficiency of the machinery they are part of.

flexible gear coupling

Industry Standards and Certifications for Flexible Gear Couplings

Flexible gear couplings are essential components in mechanical power transmission systems, and there are industry standards and certifications that govern their design, manufacturing, and performance. Some of the most commonly recognized standards and certifications for flexible gear couplings include:

  • ISO 9001: This certification ensures that the manufacturer follows a quality management system that meets international standards, ensuring consistent and reliable production of flexible gear couplings.
  • AGMA Standards: The American Gear Manufacturers Association (AGMA) has published various standards related to gear couplings, including AGMA 9002 for flexible couplings, which provides guidelines for design, selection, installation, and lubrication.
  • API Standards: The American Petroleum Institute (API) has established standards for couplings used in the oil and gas industry. API 671 specifically covers the requirements for special-purpose couplings, including gear couplings, used in petroleum, chemical, and gas industry services.
  • CE Marking: The CE marking indicates that the flexible gear coupling complies with the European Union’s health, safety, and environmental protection standards, making it eligible for sale within the EU market.
  • ATEX Certification: If the flexible gear coupling is intended for use in potentially explosive atmospheres, it may require ATEX certification, which ensures compliance with European Union directives for explosive atmosphere protection.

When selecting a flexible gear coupling, it is essential to verify if it conforms to the necessary industry standards and certifications to ensure the coupling’s performance, safety, and reliability in your specific application.

China Custom OEM Marine Shaft Couplings/Marine Flexible Coupling  China Custom OEM Marine Shaft Couplings/Marine Flexible Coupling
editor by CX 2024-03-14

China Professional OEM Marine Shaft Couplings/Marine Flexible Coupling

Product Description

OEM Marine Shaft Couplings/Marine Flexible Coupling

Application:

The shaft coupling is the component to be joined the propeller shaft and the gearbox output flange.
Some are bolted directly to the gearbox but many users adopt a flexible couplings like R&D flexible couplings.

In general, there are some types of shaft coupling as following:
Standard coupling
Solid Half Coupling
Clamp on or split half coupling
Bobbin Coupling
Coupling adapter

Marine Propeller Shaft Coupling
Material: Steel, stainless steel, Alloy steel;
Processing methods: ingot—forging—heat treatment—rough machining—UT.MT—Q+T—inspection—finishing machining—UT.MT—packing
Dimension: Min.OD 300mm,wall thickness:min.100mm;length:150-4000mm
Standard: ASTM,JIS,DIN,ISO,API,EN
Package: Wooden cases,steel strip and wooden pallets or wooden cases

WE CAN DESIGN AND MANUFACTURE THE WHOLE SET OF PROPULSION SYSTEM.

IF YOU ARE INTERESTED IN OUR PRODUCTS, PLEASE FEEL FREE TO CONTACT ME.
  /* March 10, 2571 17:59:20 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1

flexible gear coupling

Safety Considerations When Using Flexible Gear Couplings in Critical Applications

Flexible gear couplings are widely used in critical applications where safety and reliability are of utmost importance. While these couplings are designed to accommodate misalignments and reduce vibrations, there are some safety considerations to keep in mind:

  • Proper Installation: Ensure that the flexible gear coupling is installed correctly according to the manufacturer’s guidelines. Improper installation can lead to premature failure and safety hazards.
  • Regular Inspection: Perform regular inspections and maintenance to identify any signs of wear, damage, or misalignment. Addressing issues promptly can prevent unexpected failures.
  • Torque and Speed Ratings: Adhere to the specified torque and speed ratings of the coupling. Operating the coupling beyond its limits can lead to catastrophic failure.
  • Environmental Conditions: Consider the environmental conditions in which the coupling will operate. Factors such as temperature, humidity, and the presence of corrosive substances can impact the coupling’s performance and safety.
  • Emergency Stop Mechanism: In critical applications, it is essential to have an emergency stop mechanism in place to quickly disengage the coupling during emergencies.
  • Overload Protection: Implement overload protection systems to prevent excessive torque transmission, which could cause damage to connected equipment.
  • Periodic Maintenance: Follow a regular maintenance schedule to ensure that the coupling remains in optimal condition and to identify any potential safety risks.
  • Training and Awareness: Ensure that personnel operating and maintaining the equipment are adequately trained and aware of the safety considerations related to the flexible gear coupling.

By adhering to these safety considerations and following best practices, the use of flexible gear couplings in critical applications can contribute to safe and reliable operation, reducing the risk of downtime and costly failures.

flexible gear coupling

Design Considerations for Selecting a Flexible Gear Coupling

When selecting a flexible gear coupling for a specific application, several design considerations are crucial to ensure optimal performance and reliability:

  • Torque Capacity: Determine the maximum torque requirement of the application and choose a coupling with sufficient torque capacity to handle the transmitted loads without exceeding its limits.
  • Speed: Consider the operating speed of the machinery and select a coupling that can handle the rotational speed without generating excessive heat or vibrations.
  • Misalignment Tolerance: Assess the expected misalignment between the shafts in the system and choose a coupling that can accommodate both angular and parallel misalignments within acceptable limits.
  • Service Environment: Evaluate the working conditions, including temperature, humidity, and the presence of corrosive agents, and select a coupling made from materials suitable for the specific environment.
  • Space Limitations: Take into account the available space for the coupling installation and choose a compact design that fits within the available constraints.
  • Alignment Maintenance: Consider the ease of alignment and maintenance requirements of the selected coupling. Some couplings may require more frequent maintenance than others.
  • Backlash: Evaluate the application’s tolerance for backlash (angular play) in the coupling and select a design that meets the required precision.
  • Torsional Stiffness: Determine the need for torsional stiffness in the system to avoid torsional vibrations and ensure accurate torque transmission.
  • Resonance Avoidance: Identify potential resonance frequencies in the system and choose a coupling that helps avoid resonance, preventing amplified vibrations.
  • Cost: Consider the budget constraints and compare the cost-effectiveness of different coupling options while ensuring the selected coupling meets all the necessary requirements.

By carefully considering these design factors, engineers and designers can choose the most suitable flexible gear coupling for their specific application, ensuring smooth operation, reduced maintenance, and extended equipment lifespan.

flexible gear coupling

Different Types of Flexible Gear Couplings and Their Applications

Flexible gear couplings are available in various designs, each suited for specific applications based on their features and capabilities. Some common types of flexible gear couplings and their applications include:

  • Full Gear Couplings: These couplings consist of two hubs with external gear teeth that mesh with an internal gear sleeve. They offer high torque capacity and are commonly used in heavy machinery, such as steel rolling mills, cranes, and conveyors.
  • Half Gear Couplings: Half gear couplings have one flexible half with internal gear teeth and one rigid half with external gear teeth. They are ideal for applications requiring torsional rigidity and misalignment compensation, such as pumps and compressors.
  • Nylon Sleeve Gear Couplings: These couplings have a nylon sleeve inserted between the gear teeth of the hubs and the internal sleeve. They are known for their vibration damping properties and are used in applications where noise reduction is essential, such as printing presses and textile machinery.
  • Chain Gear Couplings: Chain gear couplings use chains to transmit torque between the hubs. They are well-suited for high-speed and high-torque applications and can accommodate significant misalignment. These couplings find applications in turbines, generators, and large fans.
  • U-Joint Gear Couplings: These couplings have a universal joint-like mechanism that compensates for angular misalignment. They are commonly used in automotive drivetrains, agricultural equipment, and marine propulsion systems.
  • Spacer Gear Couplings: Spacer gear couplings have two hubs separated by a spacer that accommodates large misalignments. They are commonly used in paper mills, mining equipment, and other heavy machinery.

When selecting a flexible gear coupling, it is essential to consider the specific requirements of the application, including torque, speed, misalignment, and environmental conditions, to choose the most suitable type for optimal performance and longevity.

China Professional OEM Marine Shaft Couplings/Marine Flexible Coupling  China Professional OEM Marine Shaft Couplings/Marine Flexible Coupling
editor by CX 2024-02-17