Coupling / Drive Belt: Torque Capacity 10-500 Nm

Component Specifications

Definition

A coupling or drive belt is a precision-engineered component designed to connect two rotating shafts in a leaf drive mechanism, transmitting torque while accommodating minor misalignments, damping vibrations, and providing overload protection. In industrial applications, it ensures synchronized motion between the drive motor and the leaf-handling components, maintaining operational efficiency and reducing mechanical stress.

Working Principle

Operates by transferring rotational energy from a driving shaft to a driven shaft through mechanical contact (coupling) or friction (belt). Couplings use rigid or flexible elements to connect shafts directly, while belts rely on tension and pulley systems to transmit motion without direct shaft connection, allowing for speed variation and distance bridging.

Materials

Typically made from high-strength steel, aluminum alloys, or engineered polymers (e.g., polyurethane, neoprene) for belts, with options for stainless steel in corrosive environments. Materials are selected based on load capacity, flexibility, and environmental resistance.

Technical Parameters

Parameter	Typical range	Notes & selection driver
Belt Type	V-belt, timing belt, or flat belt
Speed Range	0-3000 RPM
Coupling Type	Jaw, gear, or elastomeric
Torque Capacity	10-500 Nm
Temperature Range	-20°C to 120°C
Misalignment Tolerance	±0.5° angular, ±1 mm parallel

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

Standards

ISO 9001, DIN 740, ISO 13050

Parent Products

This component is used in the following industrial products

Leaf Drive Mechanism

A precision electromechanical system that controls the movement of individual leaves in a Multi-Leaf Collimator for radiation therapy beam shaping.

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Engineering Analysis

Risks & Mitigation

Misalignment leading to premature wear
Overload causing belt slippage or coupling failure
Material degradation in harsh environments

FMEA Triads

Trigger: Improper installation or alignment
Failure: Excessive vibration, noise, or complete disengagement
Mitigation: Follow manufacturer alignment procedures, use precision tools, and conduct regular inspections.

Trigger: Overloading beyond rated capacity
Failure: Belt breakage or coupling deformation
Mitigation: Implement torque limiters, monitor load conditions, and adhere to specified operational limits.

Industrial Ecosystem

Compatible With

Typical Suppliers & Equivalents

Compliance & Inspection

Tolerance

±0.1 mm for shaft diameters, ±2% for torque ratings

Test Method

Dynamic load testing, alignment verification, and material fatigue analysis per ISO standards

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

Check the legal entity, factory address, ownership, certifications, and direct contacts.

CNFX does not score or rank suppliers. Buyers must verify all claims and documents with the legal manufacturer before ordering.

Manufacturers of Coupling / Drive Belt

Manufacturer profiles associated with Coupling / Drive Belt.

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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 main function of a coupling or drive belt in a leaf drive mechanism?

It transmits torque and rotational motion between shafts, ensuring synchronized operation while compensating for misalignments and reducing vibration.

How do I select the right coupling or belt for my application?

Consider torque requirements, speed, shaft misalignment, environmental conditions (e.g., temperature, moisture), and material compatibility with the machine's operational demands.

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 / Drive Belt