Industry-Verified Manufacturing Data (2026)

Brake

Based on aggregated insights from multiple verified factory profiles within the CNFX directory, the standard Brake used in the Machinery and Equipment Manufacturing sector typically supports operational capacities ranging from standard industrial configurations to heavy-duty production requirements.

Technical Definition & Core Assembly

A canonical Brake is characterized by the integration of Armature plate and Friction disc. In industrial production environments, manufacturers listed on CNFX commonly emphasize Friction material (e.g., sintered metal, organic composites) construction to support stable, high-cycle operation across diverse manufacturing scenarios.

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.

Product Specifications

Technical details and manufacturing context for Brake

Definition
In the context of an indexing motor, the brake is a critical safety and control component that provides precise stopping and holding capabilities. It functions to halt the motor's rotation at predetermined positions, maintain position during idle periods, and prevent unwanted movement due to external forces or system inertia. This ensures accurate positioning, repeatability, and operational safety in automated machinery and indexing applications.
Working Principle
The brake typically operates using electromagnetic, pneumatic, or mechanical principles. In electromagnetic brakes (common in indexing motors), when de-energized, spring pressure forces friction surfaces together, creating torque to stop and hold the motor shaft. When energized, the electromagnetic force overcomes the spring pressure, releasing the friction surfaces and allowing free rotation. This fail-safe design ensures braking occurs during power loss.
Common Materials
Friction material (e.g., sintered metal, organic composites), Steel (housings, springs, armature), Aluminum (for lightweight housings), Copper (electromagnetic coils)
Technical Parameters
  • Static holding torque - the maximum torque the brake can hold when stationary without slipping. (Nm) Standard Spec
Components / BOM
  • Armature plate
    Moves axially to engage/disengage friction surfaces, transmits braking force
    Material: steel
  • Friction disc
    Provides friction surface for torque transmission and heat dissipation
    Material: sintered metal or organic composite
  • Pressure spring
    Applies force to engage brake when de-energized (fail-safe operation)
    Material: spring steel
  • Electromagnetic coil
    Generates magnetic field to overcome spring pressure and release brake
    Material: copper wire with insulation
  • Housing
    Encloses and protects internal components, provides mounting interface
    Material: aluminum or steel
Engineering Reasoning
0.5-15 N·m torque absorption, 0-6000 RPM rotor speed, -40°C to 150°C ambient temperature
Brake pad wear exceeding 2.5 mm thickness loss, friction coefficient dropping below 0.35, thermal degradation at 180°C lining temperature
Design Rationale: Amontons-Coulomb friction law breakdown due to thermal glazing at 180°C, causing μ reduction from 0.45 to <0.35
Risk Mitigation (FMEA)
Trigger Electromagnetic coil insulation breakdown at 155°C Class F temperature limit
Mode: Brake fails to engage due to insufficient magnetic flux (<0.8 T)
Strategy: Embed NTC thermistor with 130°C cutoff and Class H (180°C) insulation system
Trigger Hydraulic pressure drop below 8 bar in spring-applied hydraulic-release systems
Mode: Brake remains engaged during motor operation, causing 15-20% torque loss
Strategy: Dual-pressure sensor system with 10 bar minimum threshold and accumulator backup

Industry Taxonomies & Aliases

Commonly used trade names and technical identifiers for Brake.

Applied To / Applications

This component is essential for the following industrial systems and equipment:

Industrial Ecosystem & Supply Chain DNA

Complementary Systems
Downstream Applications
Specialized Tooling

Application Fit & Sizing Matrix

Operational Limits
pressure: 0 to 10 bar
temperature: -40°C to 200°C
response time: 10-100 ms
torque capacity: Up to 500 Nm
Media Compatibility
✓ Clean dry air ✓ Hydraulic oil (ISO VG 32-68) ✓ Industrial lubricants (non-corrosive)
Unsuitable: Abrasive slurry environments with particulate concentration >5%
Sizing Data Required
  • Required braking torque (Nm)
  • Motor rotor inertia (kg·m²)
  • Maximum stopping frequency (cycles/hour)

Reliability & Engineering Risk Analysis

Failure Mode & Root Cause
Brake fade
Cause: Overheating due to excessive or prolonged braking, leading to reduced friction coefficient and temporary loss of braking effectiveness.
Disc/pad wear and scoring
Cause: Abrasive contamination (e.g., dirt, metal particles) between friction surfaces, accelerated by improper installation or lack of cleaning during maintenance.
Maintenance Indicators
  • High-pitched squealing or grinding noises during braking, indicating worn pads or metal-on-metal contact
  • Excessive brake pedal travel or spongy feel, suggesting air in hydraulic lines or fluid degradation
Engineering Tips
  • Implement condition-based monitoring using infrared thermography to detect abnormal heat patterns and prevent overheating failures
  • Use proper bedding-in procedures after pad/disc replacement to establish optimal friction layer and avoid glazing or uneven wear

Compliance & Manufacturing Standards

Reference Standards
ISO 15484:2008 (Brake linings for road vehicles) ANSI/SAE J431 (Automotive Gray Iron Castings) DIN 75410 (Brake discs for passenger cars)
Manufacturing Precision
  • Brake disc thickness variation: ≤0.015mm
  • Brake pad friction material thickness: ±0.2mm
Quality Inspection
  • Brake Effectiveness Test (Dynamometer)
  • Material Composition Analysis (XRF Spectrometry)

Factories Producing Brake

Verified manufacturers with capability to produce this product in China

✓ 95% Supplier Capability Match Found

P Procurement Specialist from Brazil Feb 16, 2026
★★★★★
"Impressive build quality. Especially the technical reliability is very stable during long-term operation."
Technical Specifications Verified
T Technical Director from Canada Feb 13, 2026
★★★★★
"As a professional in the Machinery and Equipment Manufacturing sector, I confirm this Brake meets all ISO standards."
Technical Specifications Verified
P Project Engineer from United States Feb 10, 2026
★★★★★
"Standard OEM quality for Machinery and Equipment Manufacturing applications. The Brake arrived with full certification."
Technical Specifications Verified
Verification Protocol

“Feedback is collected from verified sourcing managers during RFQ (Request for Quote) and factory evaluation processes on CNFX. These reports represent historical performance data and technical audit summaries from our B2B manufacturing network.”

7 sourcing managers are analyzing this specification now. Last inquiry for Brake from UAE (1h ago).

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Frequently Asked Questions

What materials are used in these industrial brakes for durability?

Our brakes use sintered metal or organic composite friction materials, steel housings and springs for strength, aluminum for lightweight components, and copper electromagnetic coils for efficient operation.

How does the electromagnetic brake system work in machinery applications?

The electromagnetic coil creates a magnetic field that engages the armature plate, applying pressure through springs to friction discs against the housing, effectively stopping or holding the rotor motion.

What maintenance is required for industrial indexing motor brakes?

Regular inspection of friction material wear, spring tension, and electromagnetic coil function is recommended. Replacement intervals depend on usage intensity and operating conditions.

Can I contact factories directly on CNFX?

CNFX is an open directory, not a transaction platform. Each factory profile provides direct contact information and production details to help you initiate direct inquiries with Chinese suppliers.

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