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Friction disc Component – Motor Vehicle Manufacturing

Component Specifications

Definition

A friction disc is a critical component in brake assemblies, typically consisting of a disc-shaped element made from composite materials designed to withstand high temperatures and mechanical stress. It interfaces with brake pads or calipers to create frictional resistance, enabling controlled deceleration or stopping of rotating machinery. In industrial applications, it ensures precise braking performance, safety, and operational reliability in equipment such as presses, conveyors, and automotive systems.

Working Principle

The friction disc operates on the principle of converting kinetic energy into thermal energy via frictional contact. When engaged, it presses against a mating surface (e.g., brake pad or rotor), generating friction that opposes motion, thereby reducing rotational speed or bringing it to a halt. This process dissipates energy as heat, which must be managed through material design and cooling mechanisms to prevent overheating and maintain efficiency.

Materials

Typically composed of composite materials such as sintered metals (e.g., copper-based alloys), ceramic composites, or organic resins reinforced with fibers (e.g., carbon, aramid). Materials are selected for high thermal stability, wear resistance, and consistent friction coefficients under varying loads and temperatures.

Technical Parameters

Diameter 100-500 mm
Thickness 5-20 mm
Maximum Pressure 10-50 MPa
Friction Coefficient 0.3-0.6
Operating Temperature -40°C to 300°C

Standards

ISO 15484, DIN 75410

Industry Taxonomies & Aliases

Commonly used trade names and technical identifiers for Friction disc.

Parent Products

This component is used in the following industrial products

Brake

A mechanical device that inhibits motion by absorbing energy from a moving system, specifically used to stop or hold the rotor of an indexing motor.

View Product Details

Clutch Assembly

A mechanical assembly that engages and disengages power transmission between the engine and transmission system.

View Product Details

Engineering Analysis

Risks & Mitigation

Overheating leading to reduced efficiency
Material wear causing brake failure
Improper installation resulting in uneven friction

FMEA Triads

Trigger: Excessive heat generation due to prolonged braking
Failure: Thermal degradation and cracking of the disc
Mitigation: Use materials with higher thermal conductivity and implement cooling systems or intermittent braking protocols.

Trigger: Contamination from oils or debris
Failure: Reduced friction coefficient and unpredictable braking
Mitigation: Regular cleaning and use of sealed brake assemblies to prevent contamination.

Industrial Ecosystem

Compatible With

Interchangeable Parts

Compliance & Inspection

Tolerance

±0.1 mm on thickness, ±0.5 mm on diameter

Test Method

Performance tested per ISO 15484 for friction characteristics, wear resistance, and thermal stability under simulated operating conditions.

Procurement Evaluation Criteria

Not customer reviews or live demand data. These dimensions support RFQ preparation and supplier evaluation.

Technical documentation

4/5

Manufacturing capability

4/5

Inspection readiness

5/5

Supplier transparency

3/5

These scores are example evaluation dimensions, not real customer ratings, country-specific buyer feedback, or live inquiry activity.

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Frequently Asked Questions

What is the primary function of a friction disc?

The primary function is to provide controlled friction to stop or slow rotating machinery by converting kinetic energy into thermal energy.

How often should friction discs be replaced?

Replacement intervals depend on usage intensity and material wear; typically, inspect every 6-12 months in industrial settings, replacing when thickness falls below manufacturer specifications.

Can I contact factories directly?

Yes, each factory profile provides direct contact information.

Data Basis

CNFX manufacturer profiles, technical classification, publicly available product information, and ongoing plausibility checks.

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.

Friction disc