China Good quality L150 Jaw Coupling

Product Description

L150 jaw coupling
AVAILABLE SIZES: 35, 50, 70, 75, 90, 95, 99, 100, 110, 150, 190, 225 

1. Material :Cast iron GG25 
2. Good stability 
3. Easy to maintain 
L   coupling   have below advantage :
1. It is easy to maintain ,no need the tool can install 
2. Can undertake high torque 
3. Have the good buffer .
Economical and practical using
Easy pulling out
Simple construction and light weight
NBR rubber with excellent resistance to oil and drugs
Minimum space
No lubrication
 L coupling parameters and data :

Coupling type Rated torque  HP-100PRM    
In-Lbs. Horsepower Capacity at Varying Speed(RPM) Max Bore
Rubber Hytrel Rubber Hytrel 300 1200 1800 3600  
L-035 3.5   0.0056   0.017 0.067 0.1 0.2  3/8
L-050 25.2   0.04   0.12 0.48 0.72 1.44  5/8
L-070 37.8   0.06   0.18 0.72 1.08 2.16  3/4
L-075 75.6   0.12   0.36 1.44 2.16 4.32  7/8
L-090 126   0.2   0.6 2.4 3.6 7.2  7/8
L-095 176   0.28   0.84 3.36 5.04 10.8  1-1/8
L-099 265   0.42   1.26 5.04 7.56 15.1  1-3/16
L-100 278   0.6   1.8 7.2 10.8 21.6  1-3/8
L-110 693 2079 1.1 3.3 3.3 13.2 19.8 39.6  1-5/8
L-150 1071 3213 1.7 5.1 5.1 20.4 30.6 61.2  1-7/8

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jaw coupling

Minimizing Wear and Tear on Connected Components with Jaw Couplings

A jaw coupling plays a critical role in minimizing wear and tear on connected components by providing several key benefits:

  • Shock Absorption: Jaw couplings have a flexible elastomeric element between the two hubs, which acts as a cushion and absorbs shocks and vibrations. When the connected machinery experiences sudden jolts or impacts, the jaw coupling helps dampen these forces, protecting the equipment from damage and reducing wear on components.
  • Misalignment Compensation: In mechanical systems, misalignment between shafts is a common issue that can lead to premature wear on components. Jaw couplings can tolerate a certain degree of angular, parallel, and axial misalignment, allowing for better alignment between the driving and driven components. This feature helps distribute forces more evenly and reduces stress on connected components.
  • Resilience to Overloads: Jaw couplings can withstand temporary overloads, such as starting torque or sudden load spikes, without causing damage to the connected equipment. The elastomeric element of the jaw coupling acts as a torque limiter, protecting the machinery from excessive loads and preventing wear and tear.
  • Backlash Prevention: Backlash, which is the play or clearance between mating gears or components, can cause impact forces during reversing motions. Jaw couplings offer low backlash performance, reducing the potential for impact and minimizing wear on gears and other components.
  • Reduced Maintenance: By providing shock absorption, misalignment compensation, overload protection, and low backlash, jaw couplings help extend the service life of connected components. This, in turn, reduces the frequency of maintenance and replacement, leading to cost savings and increased productivity.
  • Smooth Power Transmission: Jaw couplings transmit power smoothly between the driving and driven shafts, resulting in less stress on components. The torsional flexibility of the elastomeric element helps prevent abrupt torque spikes, contributing to improved component longevity.

Overall, the jaw coupling’s ability to absorb shocks, compensate for misalignment, handle overloads, and provide smooth power transmission makes it an effective solution for minimizing wear and tear on connected components. Regular inspection and maintenance of the jaw coupling are still essential to ensure its optimal performance and extend the life of the entire mechanical system.

jaw coupling

How does a jaw coupling help in power transmission efficiency?

A jaw coupling plays a significant role in enhancing power transmission efficiency in mechanical systems. It achieves this by incorporating several design features that minimize energy losses and maximize the transfer of power from one shaft to another. Here are some ways in which a jaw coupling helps improve power transmission efficiency:

  1. Mechanical Flexibility: Jaw couplings utilize a flexible elastomer spider as the connecting element between the two shafts. This elastomer spider allows for a certain degree of angular and parallel misalignment between the shafts without imposing significant additional loads on the connected equipment. The mechanical flexibility of the elastomer helps reduce the generation of excess heat and vibration, thereby optimizing power transmission efficiency.
  2. Vibration Damping: The elastomer spider in a jaw coupling also acts as a vibration-damping element. It absorbs and dissipates vibrations generated during the operation of rotating machinery. By dampening vibrations, the coupling reduces energy losses due to mechanical oscillations, which can otherwise decrease the overall power transmission efficiency.
  3. Shock Absorption: In addition to damping vibrations, jaw couplings can handle sudden shocks and impacts that may occur during equipment operation. The elastomer spider’s ability to absorb shocks prevents sudden force spikes from propagating through the system and helps maintain steady power transmission, thus improving overall efficiency.
  4. Reduced Friction: The design of jaw couplings minimizes sliding friction between the shafts and the coupling components. This reduced frictional resistance results in lower energy losses and less heat generation during power transmission, contributing to higher efficiency in the system.
  5. Torsional Wind-Up Compensation: When torque is transmitted through the shafts, there can be some degree of torsional wind-up or twist in the coupling. Jaw couplings can compensate for this torsional movement, ensuring that the transmitted power reaches the intended equipment without significant losses due to torsional deformation.
  6. Simple and Robust Design: Jaw couplings have a simple construction, typically consisting of two hubs and an elastomer spider. This straightforward design reduces the number of moving parts and potential points of failure, resulting in a robust and reliable coupling. A reliable coupling minimizes the risk of power losses due to mechanical inefficiencies or breakdowns, thus improving overall power transmission efficiency.

In summary, a jaw coupling enhances power transmission efficiency by providing mechanical flexibility, vibration damping, shock absorption, reduced friction, and torsional wind-up compensation. Its simple and robust design further contributes to reliable power transmission. When selecting a jaw coupling for a specific application, it is essential to consider factors such as torque requirements, operating conditions, and misalignment compensation to ensure optimal efficiency and performance in the system.

jaw coupling

Limitations and Disadvantages of Using Jaw Couplings

While jaw couplings offer several advantages, they also have some limitations and disadvantages that should be considered when selecting them for specific applications:

  • Angular Misalignment: Jaw couplings are sensitive to angular misalignment, and excessive misalignment can lead to increased wear and reduced service life.
  • Radial Misalignment: Similar to angular misalignment, radial misalignment should be kept within acceptable limits to prevent premature wear.
  • Temperature Limitations: The operating temperature range of jaw couplings may be limited by the material used. For high-temperature applications, other coupling types may be more suitable.
  • Shock Load Absorption: While jaw couplings can handle moderate shock loads, they may not be ideal for applications with severe shock loads, which can lead to increased stress and failure.
  • Torsional Stiffness: Jaw couplings have a certain level of torsional stiffness, which means they may not provide the same level of vibration isolation as other coupling types.
  • Backlash: Jaw couplings can have some degree of backlash due to their elastomeric element, which may not be desirable in precision positioning applications.
  • Speed Limitations: High-speed applications may require careful consideration of the jaw coupling’s design and material selection to avoid issues related to centrifugal forces.

Despite these limitations, jaw couplings remain a popular choice in many applications due to their ease of installation, simple design, and cost-effectiveness. Proper selection, installation, and maintenance can help mitigate some of these limitations and ensure optimal performance and reliability of the jaw coupling.

China Good quality L150 Jaw Coupling  China Good quality L150 Jaw Coupling
editor by CX 2024-04-17

flexible jaw coupling

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