China OEM Cheaper High Torque Spider Type Jaw Coupling for Motor

Product Description

Cheaper High Torque Spider Type Jaw Coupling for motor

Quick Details
Structure: Jaw / Spider
Flexible or Rigid: Flexible
Standard or Nonstandard: Standard
Material: Aluminium
Brand Name: YD
Place of Origin: ZheJiang , China (Mainland)
Model Number: JM
Certificate: ISO9001:2008
Bore forming: Made by CNC centres
Unique Feature: Exquisite Workmanship
Bore Size: Meet inch dimension
Invertory: In stock
Spider color: Red (Green and Yellow selected)
Area of Min.aperture: 3-22mm
Area of Max.Aperture: 7-80mm
Max. Torque: 2.4-1880mm

Features:
1. Light weight, smal  moment of inertia and high torque.
2. Getting  the drive vibration buffer, and absorbing the impact generated by motor’s uneven operation
3. Effectively correcting  the installation deviation of axial and radial and angular

Your kind response of below questions will help us to recommed the most suitable model to you asap.
1.Are you looking for JM type(setscrew) or JM-C type(clamp)?
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 Diameter Outer
Diameter
Length Torque(N.M.)
D1 D2
Min. Max. Min. Max.
JM14 3 7 3 7 14 22 0.7
JM16 3 7 3 7 16 22 0.7
JM20 4 10 4 10 20 30 1.7
JM25 4 12 4 12 25 34 1.7
JM30 5 16 5 16 30 35 1.7
JM40 6 24 6 24 40 66 4.0
JM55 8 28 8 28 55 78 4.0
JM65 10 38 10 38 65 90 15.0
JM80 12 45 12 45 80 114 15.0
JM95 14 55 14 55 95 126 15.0
JM105 15 62 15 62 105 140 15.0
JM120 20 74 20 74 120 160 32.0
JM135 22 80 22 80 135 185 32.0
 

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

Contact Us

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spider coupling

What materials are typically used in manufacturing spider couplings and why?

Spider couplings are constructed using a combination of materials to achieve durability, flexibility, and efficient torque transmission. The choice of materials depends on factors such as application requirements, environmental conditions, and the desired balance between strength and flexibility. Common materials used in manufacturing spider couplings include:

  • Aluminum: Aluminum is lightweight and corrosion-resistant, making it suitable for applications where weight reduction is important. It offers good mechanical properties and can be used in various industries.
  • Steel: Steel provides excellent strength and durability. It’s often used in heavy-duty applications where high torque transmission is required. Surface treatments can enhance corrosion resistance.
  • Stainless Steel: Stainless steel offers corrosion resistance in aggressive environments. It’s commonly used in industries such as food processing, pharmaceuticals, and chemical processing.
  • Cast Iron: Cast iron is known for its high compressive strength and wear resistance. It’s suitable for applications requiring robust construction and can handle high torque loads.
  • Plastic/Polymer: Certain polymers and plastics, such as polyurethane or nylon, are used for the elastomeric spider element. These materials provide flexibility, vibration dampening, and misalignment compensation.

The choice of materials depends on the specific requirements of the application. For example, aluminum or stainless steel may be chosen for industries requiring corrosion resistance, while steel or cast iron may be selected for heavy-duty applications. The elastomeric spider is typically made from a durable polymer to ensure flexibility and effective torque transmission while accommodating misalignment. Overall, selecting the right materials ensures that spider couplings can withstand the demands of the intended application and provide reliable performance over their lifespan.

spider coupling

Can you explain the concept of torsional stiffness in relation to spider couplings?

Torsional stiffness is a crucial concept in the design and functionality of spider couplings. It refers to the ability of a coupling to resist rotational deformation (twisting) when subjected to a torque load. In other words, torsional stiffness measures how much a coupling can maintain its shape and transmit torque without excessive twisting or deformation.

In the context of spider couplings:

  • High Torsional Stiffness: A coupling with high torsional stiffness exhibits minimal angular deflection or twisting when torque is applied. This ensures accurate torque transmission and precise alignment between connected shafts. High torsional stiffness is especially important in applications that require accurate positioning and synchronization.
  • Low Torsional Stiffness: A coupling with low torsional stiffness allows for some degree of angular misalignment between shafts and can accommodate slight variations in torque load. This flexibility can be advantageous in applications where misalignment or shock absorption is necessary.

When selecting a spider coupling for a specific application, the torsional stiffness of the coupling needs to be considered based on the requirements of the machinery system. The choice between high and low torsional stiffness depends on factors such as the level of precision needed, the type of load, the degree of misalignment, and the overall performance objectives.

It’s important to note that while torsional stiffness is a key consideration, other factors like the material of the elastomeric spider, size of the coupling, and the type of spider profile also play a role in the coupling’s overall performance and behavior.

spider coupling

What is a spider coupling and how is it used in mechanical systems?

A spider coupling, also known as a jaw coupling or elastomeric coupling, is a type of flexible coupling used to connect two shafts while accommodating misalignment and transmitting torque between them. It consists of three main components: two hubs and an elastomeric spider or insert that fits between them.

The elastomeric spider is typically made of a flexible and durable material, such as rubber or polyurethane, with a series of lobes or fins that fit into matching grooves on the inner surfaces of the hubs. These lobes allow the spider to flex and absorb misalignments between the connected shafts while transmitting torque.

The spider coupling is used in mechanical systems to:

  • Transmit Torque: The primary function of a spider coupling is to transmit torque from one shaft to another. As the shafts rotate, the elastomeric spider deforms slightly, allowing the hubs to move relative to each other while maintaining torque transmission.
  • Accommodate Misalignment: Spider couplings can accommodate different types of misalignment, including angular, axial, and parallel misalignments, without causing excessive stress on the connected components. This flexibility helps prevent premature wear and failure.
  • Dampen Vibrations: The elastomeric material of the spider acts as a shock absorber, dampening vibrations and reducing the transmission of vibrations between the connected shafts. This can improve overall system performance and reduce wear on components.
  • Isolate Shock Loads: In applications with sudden changes in torque or shock loads, the spider coupling can absorb and dampen these shocks, protecting the connected components from damage.
  • Reduce Maintenance: Spider couplings require minimal maintenance due to their simple design and absence of lubrication points. This can lead to reduced downtime and maintenance costs in industrial machinery.
  • Provide Electric Insulation: Spider couplings can provide electrical isolation between the connected shafts, making them suitable for applications where electrical grounding needs to be minimized.

Spider couplings are commonly used in various machinery and equipment, such as pumps, compressors, conveyors, fans, and industrial machinery. They are particularly well-suited for applications that require flexibility, misalignment compensation, vibration reduction, and ease of maintenance.

China OEM Cheaper High Torque Spider Type Jaw Coupling for Motor  China OEM Cheaper High Torque Spider Type Jaw Coupling for Motor
editor by CX 2024-05-16