China Standard Jm120c Od120mm Flexible Aluminum Jaw Coupling

Product Description

JM120C OD120mm Flexible Aluminum Jaw Coupling

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)
Out diameter: 120mm
Inner bore: 20-74
Length: 160mm
Torque:60.0-120.0 N.m

Specifications
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 )?

Dimensions:

Model Inner bore D
(mm)
L
(mm)
Nominal Torque
(N.m)
The Max of Torque
(N.m)
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
(rpm)
Radial Misalignment(m.m) Angular
Misalignment(°)
Axle
Misalignment(mm)
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

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jaw coupling

Use of Jaw Couplings in Corrosive or Harsh Environments

Jaw couplings can be used in certain corrosive or harsh environments, but the choice of materials and design should be carefully considered to ensure the coupling’s performance and longevity. Here’s how jaw couplings can be utilized in such environments:

  • Material Selection: For corrosive environments, it is essential to choose materials that can withstand the specific chemicals or substances present. Stainless steel or other corrosion-resistant alloys are commonly used in jaw couplings to ensure resistance to rust and corrosion. These materials protect the coupling from degradation caused by exposure to corrosive elements.
  • Sealing Mechanism: In harsh environments where contaminants or particles may be present, proper sealing becomes crucial. Many jaw couplings have various sealing options to prevent foreign materials from entering the coupling and affecting its performance. Seals can help keep the coupling’s interior clean and protect it from damage due to harsh substances.
  • Environmental Protection: In applications where the coupling is exposed to harsh elements, it might be beneficial to utilize protective covers or guards. These can shield the coupling from direct contact with abrasive materials or chemicals, further extending its lifespan in challenging conditions.
  • Regular Maintenance: In corrosive or harsh environments, proper and regular maintenance is crucial. Cleaning and inspecting the coupling periodically can help identify any signs of wear or damage and allow for timely replacements or repairs, minimizing the risk of failure in service.

While jaw couplings can be used in certain corrosive or harsh environments, it is essential to assess the specific conditions and requirements of the application carefully. In some instances, alternative coupling types or additional protective measures may be more suitable to ensure optimal performance and longevity. Consulting with coupling manufacturers or engineering experts can provide valuable insights in selecting the most appropriate coupling for a given environment.

jaw coupling

Can jaw couplings be used in marine and automotive applications?

Yes, jaw couplings can be used in both marine and automotive applications, and they have proven to be effective in various scenarios within these industries. Here’s how jaw couplings are utilized in marine and automotive settings:

Marine Applications:

In the marine industry, jaw couplings are commonly used to connect the engine to various components, such as propellers, pumps, generators, and auxiliary equipment. They offer several advantages that make them suitable for marine applications:

  • Corrosion Resistance: Marine environments are exposed to saltwater and other corrosive elements. Jaw couplings made from materials such as stainless steel or other corrosion-resistant alloys can withstand these harsh conditions and ensure long-lasting performance.
  • Misalignment Compensation: Vessel movement and hull flexing can lead to misalignment between the engine and driven components. Jaw couplings can accommodate both angular and parallel misalignment, ensuring efficient power transmission even in dynamic marine conditions.
  • Vibration Damping: The elastomer spider in the jaw coupling absorbs vibrations generated by the engine and other equipment, contributing to smoother operation and reduced wear on the components.
  • Compact Design: Space is often limited on boats and ships. Jaw couplings have a compact and lightweight design, making them suitable for applications with space constraints.

Automotive Applications:

In the automotive industry, jaw couplings are used in various applications, including power steering systems, engine-driven accessories, and HVAC blowers. They offer several benefits for automotive applications:

  • Misalignment Compensation: Jaw couplings can handle small misalignments that can occur due to engine movements or assembly tolerances, ensuring reliable power transmission and reducing stress on the drivetrain.
  • Vibration Damping: The elastomer spider in the jaw coupling dampens engine vibrations, contributing to a smoother and quieter ride for passengers.
  • Compact and Lightweight: In modern vehicles, lightweight components are essential for fuel efficiency and overall performance. Jaw couplings’ compact design and low inertia make them suitable for automotive applications.
  • Cost-Effectiveness: Jaw couplings are often more cost-effective compared to some other coupling types, making them a popular choice for automotive applications where cost considerations are essential.

In conclusion, jaw couplings are versatile and can be successfully used in marine and automotive applications. Their ability to handle misalignment, dampen vibrations, and provide efficient power transmission makes them reliable components in various dynamic and demanding environments.

jaw coupling

Maintenance Requirements for Jaw Couplings

Jaw couplings are relatively low-maintenance components, but regular inspections and preventive measures can help ensure their optimal performance and longevity. Here are the maintenance requirements for jaw couplings:

  • Visual Inspections: Regularly inspect the jaw coupling for signs of wear, damage, or misalignment. Look for cracks, chips, or deformation in the elastomeric spider, hubs, and other components.
  • Lubrication: Some jaw couplings require periodic lubrication of the elastomeric spider to prevent dry rot and ensure flexibility. Refer to the manufacturer’s guidelines for the appropriate lubrication schedule and type.
  • Tighten Fasteners: Check and tighten all fasteners, including set screws, regularly to prevent coupling slippage and maintain a secure connection between the shafts and hubs.
  • Alignment: Ensure that the shafts connected by the jaw coupling are properly aligned. Excessive misalignment can lead to premature wear and failure of the elastomeric spider.
  • Replace Worn Parts: If any component of the jaw coupling shows signs of wear beyond acceptable limits, promptly replace it to avoid further damage and potential system failure.
  • Operating Conditions: Monitor the operating conditions of the machinery to prevent overheating or overloading, which can affect the performance and life of the coupling.

Following these maintenance practices can extend the life of the jaw coupling, reduce the risk of unexpected failures, and contribute to the overall reliability of the mechanical system.

China Standard Jm120c Od120mm Flexible Aluminum Jaw Coupling  China Standard Jm120c Od120mm Flexible Aluminum Jaw Coupling
editor by CX 2024-05-06

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