Coupling Ring: Torque Capacity Up to 500 Nm, Max RPM 3000-6000

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

Parameter	Typical range	Notes & selection driver
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°

Ranges are indicative industry figures for RFQ preparation, not a supplier commitment. Confirm every value and standard with the legal manufacturer before ordering.

Standards

DIN 740, ISO 14691

Parent Products

This component is used in the following industrial products

Coupling Mechanism

A mechanical interface within a high-frequency RF connector that ensures secure, repeatable, and low-loss electrical connection between mating components.

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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

Typical Suppliers & Equivalents

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

Procurement Evaluation Criteria

A practical evidence checklist for RFQ preparation and supplier evaluation.

Technical documentation

Request current drawings, revision history, and a signed specification sheet.

Manufacturing capability

Verify equipment lists, process limits, capacity, and representative production evidence.

Inspection readiness

Confirm test methods, calibrated equipment, sampling plans, and traceable reports.

Supplier transparency

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Manufacturers of Coupling Ring

Manufacturer profiles associated with Coupling Ring.

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Compiled and source-reviewed by the CNFX editorial team. Each manufacturer above links to the page on that company's own website where the product is listed, with the date we checked it. How we source and review

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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.

Data Basis

Editorial classification, named public sources where available, and source-reviewed manufacturer records. See the editorial policy.

Preliminary Technical Classification

This page supports structured research, RFQ preparation, and supplier evaluation. It does not replace buyer-led supplier qualification, standards review, or technical approval.

Coupling Ring