Brake Lining: Thickness 5-15mm, Pressure Rating 0.5-2.5 MPa

Component Specifications

Definition

Brake lining is a consumable friction material component specifically engineered for clutch-brake systems in industrial machinery. It consists of a composite material bonded to a metal backing plate, designed to create controlled friction against a rotating brake drum or disc. The lining converts kinetic energy into thermal energy through friction, enabling precise speed control, positioning, and emergency stopping in industrial applications. Key characteristics include consistent friction coefficient, thermal stability, wear resistance, and compatibility with specific operating conditions including temperature ranges, pressure loads, and environmental factors.

Working Principle

The brake lining operates on the principle of friction-based energy conversion. When the clutch-brake system is engaged, hydraulic, pneumatic, or mechanical force presses the lining against a rotating surface (drum or disc). The resulting friction creates resistance that converts the machinery's kinetic energy into thermal energy, gradually or abruptly reducing rotational speed until stopping. The lining's material composition ensures consistent friction characteristics across operating temperatures while minimizing wear on mating surfaces.

Materials

Composite friction materials typically containing: organic resins (phenolic, rubber-modified), reinforcing fibers (aramid, glass, carbon, steel), friction modifiers (graphite, cashew particles, metal powders), fillers (barium sulfate, clay), and bonding agents. Backing plate: cold-rolled steel (CRS) or stainless steel, 2-5mm thickness, with anti-corrosion coating.

Technical Parameters

Parameter	Typical range	Notes & selection driver
Thickness	5-15mm
Wear Rate	<0.5mm/1000 operating hours
Shear Strength	>15 MPa
Pressure Rating	0.5-2.5 MPa
Friction Coefficient	0.35-0.45 (dry)
Operating Temperature	-40°C to 350°C

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 15484, DIN 15434, SAE J661

Parent Products

This component is used in the following industrial products

Clutch-Brake System

A safety-critical control system that enables precise starting, stopping, and positioning of the press ram during stamping operations.

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Engineering Analysis

Risks & Mitigation

Friction coefficient variation
Thermal degradation
Delamination from backing plate
Contamination reducing effectiveness
Improper installation causing uneven wear

FMEA Triads

Trigger: Overheating due to excessive duty cycles
Failure: Glazing or hardening of friction surface
Mitigation: Implement thermal monitoring, adequate cooling, and proper duty cycle management

Trigger: Oil or fluid contamination
Failure: Reduced friction coefficient and slippage
Mitigation: Install protective seals, regular inspection, and immediate cleaning of contaminated surfaces

Trigger: Improper torque during installation
Failure: Cracking or uneven contact pressure
Mitigation: Use calibrated torque wrenches and follow manufacturer installation specifications

Industrial Ecosystem

Compatible With

Typical Suppliers & Equivalents

Compliance & Inspection

Tolerance

Thickness: ±0.2mm, Flatness: 0.1mm across surface, Parallelism: 0.05mm

Test Method

ISO 15484 for friction performance, DIN 53516 for compression set, SAE J661 for quality verification

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 Brake Lining

Manufacturer profiles associated with Brake Lining.

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Frequently Asked Questions

How often should brake lining be replaced in industrial applications?

Replacement intervals depend on operating conditions: typically 6-24 months. Monitor wear indicators, performance degradation, or follow manufacturer's maintenance schedule based on duty cycles.

What causes premature brake lining wear?

Common causes include: excessive heat from frequent braking, contamination (oil, dust), improper alignment, using incompatible lining materials, or exceeding pressure/temperature specifications.

Can different brake lining materials be mixed in the same system?

No. Mixing materials can cause uneven braking, reduced efficiency, and accelerated wear. Always use identical lining specifications on all contact points.

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.

Brake Lining