INDUSTRY COMPONENT

Coupling Ring

A coupling ring is a mechanical component that connects two shafts to transmit torque while accommodating misalignment.

Component Specifications

Definition
A coupling ring is a critical component in coupling mechanisms designed to join two rotating shafts, enabling the transmission of power and torque from one shaft to another. It serves to compensate for minor axial, radial, and angular misalignments between connected shafts, reducing stress and wear on machinery. Typically installed as part of a flexible or rigid coupling assembly, it ensures smooth rotational motion and maintains operational integrity in various industrial applications.
Working Principle
The coupling ring operates by physically linking two shafts, allowing torque transfer through mechanical engagement. In flexible designs, it accommodates misalignment via elastic deformation or sliding elements, while rigid versions maintain precise alignment. It distributes rotational forces evenly, minimizing vibration and preventing power loss, ensuring efficient energy transmission between connected components.
Materials
Common materials include carbon steel (e.g., AISI 1045), stainless steel (e.g., AISI 304/316), alloy steel, aluminum alloys, or engineered polymers like polyurethane, selected based on load, corrosion resistance, and environmental conditions.
Technical Parameters
  • Max RPM 3000-6000
  • Inner Diameter 20-100 mm
  • Outer Diameter 50-200 mm
  • Torque Capacity Up to 500 Nm
  • Misalignment Tolerance Axial: ±2 mm, Radial: ±1 mm, Angular: ±1°
Standards
ISO 9001, DIN 740, ISO 14691

Industry Taxonomies & Aliases

Commonly used trade names and technical identifiers for Coupling Ring.

Parent Products

This component is used in the following industrial products

Engineering Analysis

Risks & Mitigation
  • Misalignment leading to premature wear
  • Material fatigue under cyclic loading
  • Improper installation causing vibration
FMEA Triads
Trigger: Excessive misalignment beyond design limits
Failure: Accelerated wear or fracture of the ring
Mitigation: Regular alignment checks and using flexible coupling designs
Trigger: Over-torque or shock loads
Failure: Plastic deformation or cracking
Mitigation: Implement torque limiters and select rings with higher safety factors

Industrial Ecosystem

Compatible With

Interchangeable Parts

Compliance & Inspection

Tolerance
Dimensional tolerances per ISO 2768-m, surface finish Ra ≤ 3.2 μm
Test Method
Torque testing per ISO 14691, alignment checks via laser alignment tools

Buyer Feedback

★★★★☆ 4.6 / 5.0 (29 reviews)

"The Coupling Ring we sourced perfectly fits our Machinery and Equipment Manufacturing production line requirements."

"Found 23+ suppliers for Coupling Ring on CNFX, but this spec remains the most cost-effective."

"The technical documentation for this Coupling Ring is very thorough, especially regarding technical reliability."

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Frequently Asked Questions

What is the primary function of a coupling ring?

The primary function is to connect two rotating shafts to transmit torque while accommodating minor misalignments, ensuring smooth and efficient power transfer in machinery.

How do I select the right coupling ring material?

Choose based on application requirements: use steel for high torque and durability, stainless steel for corrosion resistance, or polymers for lightweight and dampening applications.

Can I contact factories directly?

Yes, each factory profile provides direct contact information.

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