Product Description

Professional supplier of Flexible coupling,Jaw coupling,Motor coupling JM2-40


Quick Details
Structure: Jaw / Spider
Flexible or Rigid: Flexible
Standard or Nonstandard: Standard
Material: Aluminium
Model Number: JM-C
Spider color: Red (Green and Yellow selected)

1.The materials of Spider:German Bayer.
2.Hard Aluminum alloy

Your kind response of below questions will help us to recomemnd the most suitable model to you asap.

1.Areyou looking for Setscrew type or Clamp type?
2.what is coupling outer dimeter size?
3.what is coupling inner bore size and length?
4.what is coupling material(aluminium or Stainless steel )?


Model Inner bore D
Nominal Torque
The Max of Torque
dmin dmax
JM2-25 4 12 25 34 5.0 10.0
JM2-30 6 16 30 35 7.4 14.8
JM2-40 10 24 40 66 9.5 19.0
JM2-55 12 28 55 78 34 68
JM2-65 14 38 65 90 95 190
JM2-80 24 45          80 114 135 270
JM2-95 30 55           95 126 230 460
JM2-105 35 60         105 140 380 760
Model Allowable speed
Radial Misalignment(m.m) Angular
JM2-25 17000 0.02 1.0 +0.60
JM2-30 12000 0.02 1.0 +0.60
JM2-40 10000 0.02 1.0 +0.80
JM2-55 8000 0.02 1.0 +0.80
JM2-65 6000 0.02 1.0 +0.80
JM2-80 4600 0.02 1.0 +1.00
JM2-95 3800 0.02 1.0 +1.00
JM2-105 3400 0.02 1.0

Packaging Details:
Wooden or ply cases for export standard or according to the customers
Delivery Detail:3-5 days after receiving the 30% deposit

motor coupling

Is it Possible to Replace a Motor Coupling Without Professional Assistance?

Yes, it is possible to replace a motor coupling without professional assistance, but it requires some mechanical knowledge and proper tools. Here are the steps to replace a motor coupling:

1. Safety First:

Before attempting any maintenance or replacement, ensure the motor and driven equipment are turned off and disconnected from the power source to prevent accidents.

2. Identify the Coupling Type:

Determine the type of motor coupling currently installed in the system. Different coupling types may have slightly different installation methods.

3. Gather Necessary Tools:

Collect the necessary tools, such as wrenches, socket set, screwdrivers, and any other specific tools required for the particular coupling type.

4. Remove Fasteners:

Loosen and remove the fasteners that secure the coupling to the motor and driven equipment shafts. Keep track of the fasteners to ensure they are reinstalled correctly.

5. Disconnect the Coupling:

Disconnect the coupling from both the motor and driven equipment shafts. Depending on the coupling type, this may involve sliding the coupling off the shafts or unbolting it from the flanges.

6. Inspect the Coupling:

Inspect the old coupling for signs of wear, damage, or misalignment. This assessment will help determine if the coupling replacement is necessary.

7. Install the New Coupling:

Place the new coupling onto the motor and driven equipment shafts, ensuring it fits properly and aligns with any keyways or grooves.

8. Reattach Fasteners:

Tighten and secure the fasteners to hold the new coupling in place. Follow the manufacturer’s recommended torque values for the specific coupling model.

9. Perform Trial Run:

Before full operation, perform a trial run to check the coupling’s performance and ensure everything is working correctly. Monitor for any abnormal vibrations or noises.

10. Regular Maintenance:

After replacement, follow regular maintenance practices to inspect the coupling and the entire power transmission system for any signs of wear or issues.

While it is possible to replace a motor coupling without professional assistance, keep in mind that improper installation or failure to diagnose other underlying issues may lead to further problems. If you are unsure about the process or encounter difficulties during the replacement, it is always best to seek the help of a qualified technician or engineer to ensure a successful and safe coupling replacement.

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Comparing Motor Couplings with Direct Drives and Other Power Transmission Methods

Motor couplings, direct drives, and other power transmission methods each have their advantages and disadvantages, making them suitable for different applications. Let’s compare these methods in terms of various factors:

1. Efficiency:

Motor couplings generally offer high efficiency in power transmission since they provide a direct mechanical connection between the motor and driven equipment. In contrast, direct drives can also be efficient as they eliminate the need for intermediate components.

2. Misalignment Compensation:

Motor couplings are designed to accommodate misalignments between the motor and driven equipment shafts, making them suitable for applications where misalignment is expected. Direct drives, on the other hand, require precise alignment between the motor and driven equipment.

3. Maintenance:

Motor couplings often have minimal maintenance requirements since they do not have intricate components. Direct drives can be maintenance-free as well since they eliminate the need for belts, chains, or gears.

4. Backlash:

Motor couplings typically have low or zero backlash, ensuring precise torque transmission. Direct drives also offer low or no backlash since there are no intermediate components to introduce play.

5. Cost:

Motor couplings are generally more cost-effective compared to direct drives, which may involve higher initial investment in specialized components. However, the overall cost may vary depending on the application and system requirements.

6. Space and Size:

Motor couplings are compact and can fit in tight spaces, making them suitable for applications with limited room. Direct drives may require more space, depending on their design and motor size.

7. Shock Absorption:

Motor couplings, especially those with elastomeric elements, can absorb shocks and vibrations, protecting the motor and driven equipment. Direct drives may not have the same level of shock absorption.

8. Torque Transmission:

Both motor couplings and direct drives are efficient in torque transmission. However, some direct drives may offer higher torque capacity for heavy-duty applications.

9. Installation Complexity:

Motor couplings are generally easier to install compared to direct drives, which may involve more intricate assembly and alignment procedures.

10. Application:

Motor couplings are versatile and can be used in various industrial setups, especially when misalignment compensation is required. Direct drives are commonly found in applications where high precision and direct mechanical connection are crucial.

Ultimately, the choice between motor couplings, direct drives, and other power transmission methods depends on the specific needs and constraints of the application. Each method offers distinct advantages, and selecting the most suitable option requires careful consideration of the application’s requirements, space limitations, budget, and maintenance preferences.

“`motor coupling

Types of Motor Couplings and Their Applications in Different Industries

Motor couplings come in various types, each designed to meet specific requirements and applications in different industries. Here are some common types of motor couplings and their typical uses:

1. Rigid Couplings:

Rigid couplings provide a solid and inflexible connection between the motor shaft and the driven equipment. They are ideal for applications where precise alignment and torque transmission are critical. Rigid couplings are commonly used in machine tools, robotics, and high-precision industrial equipment.

2. Flexible Couplings:

Flexible couplings are designed to accommodate misalignment between the motor and driven equipment shafts. They can handle angular, parallel, and axial misalignment, reducing stress on bearings and increasing the system’s flexibility. Flexible couplings find applications in pumps, compressors, conveyors, and other machinery where misalignment may occur due to vibration or thermal expansion.

3. Gear Couplings:

Gear couplings use toothed gears to transmit torque between the motor and the driven equipment. They provide high torque capacity and are suitable for heavy-duty applications, such as steel rolling mills, cranes, and marine propulsion systems.

4. Disc Couplings:

Disc couplings use thin metal discs to transmit torque. They offer high torsional stiffness, allowing precise motion control in applications like servo systems, CNC machines, and robotics.

5. Jaw Couplings:

Jaw couplings use elastomeric elements to dampen vibrations and accommodate misalignment. They are commonly used in small electric motors and general-purpose machinery.

6. Bellows Couplings:

Bellows couplings have a flexible accordion-like structure that compensates for misalignment while maintaining torsional rigidity. They are used in vacuum systems, optical equipment, and other high-precision applications.

7. Grid Couplings:

Grid couplings use a flexible grid element to transmit torque and dampen vibrations. They are suitable for applications in pumps, compressors, and conveyor systems where shock loads and misalignment are common.

8. Magnetic Couplings:

Magnetic couplings use magnetic fields to transmit torque between the motor and driven equipment. They are commonly used in applications requiring hermetic sealing, such as pumps and mixers handling hazardous or corrosive fluids.

Each type of motor coupling offers unique advantages and is chosen based on the specific needs of the industry and the application. Proper selection and installation of the right coupling type enhance efficiency, reliability, and safety in motor-driven systems across various industries.

China Professional Professional Supplier of Flexible Coupling, Jaw Coupling, Motor Coupling Jm2-40   motor couplingChina Professional Professional Supplier of Flexible Coupling, Jaw Coupling, Motor Coupling Jm2-40   motor coupling
editor by CX 2023-09-21