China Good quality Transmission Flexible Coupling

Product Description

JJ is a leading provider of dependable, high-quality power transmission products for customers. One of our facilities focuses on manufacturing chain coupling, curved-tooth coupling, claw-type coupling, and disc-type coupling. We're available to make customers satisfied. We also comply with customers requirements OEM-embranced.
 

ITEM NO. TORGUE PLAIN
BORE
MAX.
BORE
BUSH
LENGTH
BUSH
DIA
BORE
OF
CENTER
D DH L E T T S A C ADJUST.
NUT
ADJUST.
BOLT
SET
SCREW
WEIGHT
kgf-m mm mm mm   mm   mm mm mm mm mm mm mm mm mm mm kg
TL200-1 0.3-1 7.0 14.0 3.8 30 -0.571 30 .+0.03 50.0 24.0 29.0 6.5 2.6 2.5 7.0   38.0 M24
P1.0
    0.2
TL200-2 0.7-2 -0.049 0
TL250-1 0.7-2.8 10.0 22.0 4.5 41 -0.571 41 .+0.05 65.0 35.0 48.0 16.0 4.5 3.2 9.0 4.0 50.0 M35
P1.5
  M5 0.5
TL250-2 1.4-5.5 -0.045 0
TL350-1 2.0-7.6 17.0 25.0 6.5 49 -0.571 49 .+0.05 89.0 42.0 62.0 19.0 4.5 3.2 16.0 6.0 63.0 M42
P1.5
  M6 1.2
TL350-2 3.5-15.2 -0.065 0
TL500-1 4.8-21.4 20.0 42.0 6.5 74 -0.050 74 .+0.05 127.0 65.0 76.0 22.0 5.7 3.2 16.0 7.0   M65
P1.5
M8 P1.0
3 PCS
M8 3.0
TL500-2 9.0-42.9 -0.100 0
TL700-1 11.8-58.1 30.0 64.0 9.5 105 -0.075 105 .+0.05 178.0 95.0 98.0 24.0 7.7 3.2 29.0 8.0   M95
P1.5
M10 P1.5
3 PCS
M10 6.7
TL700-2 22.8-110.6 -0.125 0
TL100-16 40-130 30.0 72.0 12.5 135 -0.085 135 .+0.07 254.0 100.0 115.0 23.0 15.0 4.0 24.0   19.0   M18 P1.5
3 PCS
  21.0
TL100-24 60-190 -0.125 -0.125
TL140-10 90-272 40.0 100.0 15.5
19.5
23.5
183 -0.070 183 .+0.07 356.0 145.0 150.0 31.0 13.0 4.0 29.0   27.0   M26 P1.5
3 PCS
  52.0
TL140-15 200-400 -0.120 0
TL240-6 250-500 50.0 130.0 15.5
19.5
23.5
226 -0.070 226 .+0.07 508.0 185.0 175.0 36.0 15.0 4.0 31.0   36.0   M32 P1.5
3 PCS
  117.0
TL240-12 470-950 -0.120 0

flexible coupling

How does a flexible coupling handle electrical insulation between shafts?

Flexible couplings are typically not designed to provide electrical insulation between shafts. In most cases, flexible couplings are used solely for the purpose of transmitting mechanical power from one shaft to another while accommodating misalignment and absorbing shocks and vibrations. They do not offer any electrical isolation or insulation properties.

When electrical insulation is required between two rotating shafts in a system, additional components or specialized couplings are used. For applications where electrical isolation is necessary, insulated couplings or special insulation components can be employed. These types of couplings feature insulating materials, coatings, or designs that prevent electrical current from flowing between the connected shafts.

Insulated couplings can be beneficial in certain applications, such as electric motor drives or systems involving sensitive electronics. They help prevent stray currents, ground loops, and electrical interference that could potentially damage equipment or affect the accuracy of electronic signals. However, it is important to note that not all flexible couplings provide this electrical insulation capability, and users should carefully select couplings that meet the specific electrical isolation requirements of their application.

Summary: Flexible couplings, as standard mechanical components, do not inherently provide electrical insulation between shafts. They are primarily used for mechanical power transmission and misalignment compensation. If electrical insulation is needed between rotating shafts, insulated couplings or specialized components with insulating properties should be chosen to meet the specific requirements of the application.

flexible coupling

What are the differences between flexible couplings and rigid couplings in terms of performance?

Flexible couplings and rigid couplings are two distinct types of couplings used in mechanical systems, and they differ significantly in terms of performance and applications.

  • Torsional Flexibility: The primary difference between flexible and rigid couplings lies in their ability to handle misalignments and torsional flexibility. Flexible couplings are designed with elements, such as elastomeric inserts or metal bellows, that can deform or twist to accommodate shaft misalignments, angular offsets, and axial movements. On the other hand, rigid couplings do not have any flexibility and maintain a fixed connection between the shafts, which means they cannot compensate for misalignment.
  • Misalignment Compensation: Flexible couplings can absorb and mitigate misalignment between shafts, reducing stress and wear on connected components. In contrast, rigid couplings require precise alignment during installation, and any misalignment can lead to increased loads on the shafts and bearings, potentially leading to premature failure.
  • Vibration Damping: Flexible couplings, especially those with elastomeric elements, offer damping properties that can absorb and dissipate vibrations. This damping capability reduces the transmission of vibrations and shocks through the drivetrain, improving the overall system performance and protecting connected equipment. Rigid couplings, being solid and without damping elements, do not provide this vibration damping effect.
  • Backlash: Flexible couplings can have some degree of backlash due to their flexibility, particularly in certain designs. Backlash is the play or free movement between connected shafts. In contrast, rigid couplings have minimal or no backlash, providing a more precise and immediate response to changes in rotational direction.
  • Torque Transmission: Rigid couplings are more efficient in transmitting torque since they do not have any flexible elements that can absorb some torque. Flexible couplings, while capable of transmitting substantial torque, may experience some power loss due to the deformation of their flexible components.
  • Applications: Flexible couplings are widely used in applications that require misalignment compensation, damping, and shock absorption, such as pumps, motors, and industrial machinery. On the other hand, rigid couplings are used in situations where precise alignment is critical, such as connecting shafts of well-aligned components or shafts that require synchronous operation, like in some encoder applications.

In summary, flexible couplings excel in applications where misalignment compensation, vibration damping, and shock absorption are required. They are more forgiving in terms of alignment errors and can accommodate dynamic loads. Rigid couplings, on the other hand, are used in situations where precise alignment and zero backlash are essential, ensuring direct and immediate power transmission between shafts.

flexible coupling

Are there any limitations or disadvantages of using flexible couplings?

While flexible couplings offer numerous advantages, they do come with some limitations and disadvantages that should be considered when selecting them for specific applications. Here are some of the common limitations and disadvantages of using flexible couplings:

  • Torsional Stiffness: Flexible couplings provide some level of torsional flexibility, which is advantageous in many applications. However, in systems that require high precision and minimal angular deflection, the inherent flexibility of the coupling may not be suitable. In such cases, a rigid coupling may be more appropriate.
  • Limitation in High-Torque Applications: While some flexible couplings can handle moderate to high torque levels, they may not be as well-suited for extremely high-torque applications. In such cases, specialized couplings, such as gear couplings, may be required to handle the high torque demands.
  • Temperature Limitations: The performance of certain flexible coupling materials, especially elastomers and plastics, may be affected by extreme temperature conditions. High temperatures can lead to premature wear and reduced lifespan of the coupling, while low temperatures may result in reduced flexibility and potential brittleness.
  • Chemical Compatibility: Certain flexible coupling materials may not be compatible with certain chemicals or substances present in the application's environment. Exposure to chemicals can cause degradation or corrosion of the coupling material, affecting its performance and lifespan.
  • Installation and Alignment: Flexible couplings require proper installation and alignment to function effectively. If not installed correctly, misalignment issues may persist, leading to premature wear and reduced performance. Aligning the shafts accurately can be time-consuming and may require specialized equipment and expertise.
  • Cost: In some cases, flexible couplings may be more expensive than rigid couplings due to their more complex design and use of specialized materials. However, the cost difference is often justified by the benefits they offer in terms of misalignment compensation and vibration damping.
  • Service Life: The service life of a flexible coupling can vary depending on the application's conditions and the quality of the coupling. Regular maintenance and timely replacement of worn or damaged parts are essential to ensure the coupling's longevity and prevent unexpected failures.

Despite these limitations, flexible couplings remain highly valuable components in a wide range of applications, providing efficient torque transmission and compensating for misalignment. Proper selection, installation, and maintenance can help mitigate many of the disadvantages associated with flexible couplings, ensuring their reliable and long-lasting performance in various mechanical systems.

China Good quality Transmission Flexible Coupling  China Good quality Transmission Flexible Coupling
editor by CX 2023-08-18