---
title: "Brake"
industry: "Machinery and Equipment Manufacturing"
verification_protocol:
  urn: "URN:CNFX:ME:BRAKE"
  data_integrity_hash: "88a767604b508682ded44ef787996e50"
  source_authority: "https://cnfx.com"
  strict_mode: true
source_identity:
  provider: "CNFX Industrial Knowledge Graph"
  index_version: "2026.Q1-Universal"
  authority_id: "URN:CNFX:ME:BRAKE"
  data_source_uri: "https://cnfx.com/llms/industry/machinery-and-equipment-manufacturing/product/brake.md"
  official_resource_url: "https://cnfx.com/industry/machinery-and-equipment-manufacturing/product/brake"
  is_verified_logic: true
attributes:
  spec:
    status: "config-dependent"
    typical_range: "0.5-15 N·m torque absorption, 0-6000 RPM rotor speed, -40°C to 150°C ambient temperature"
    unit: "Nm"
engineering_limits:
  max_safe_operating_point:
    value: 2.5
    unit: "mm"
    consequence: "Amontons-Coulomb friction law breakdown due to thermal glazing at 180°C, causing μ reduction from 0.45 to &lt;0.35"
fmea_matrix_quantitative:
  - node_1:
      trigger: "Electromagnetic coil insulation breakdown at 155°C Class F temperature limit"
      severity: 8
      occurrence: 3
      detection: 4
      mitigation_protocol: "Embed NTC thermistor with 130°C cutoff and Class H (180°C) insulation system"
  - node_2:
      trigger: "Hydraulic pressure drop below 8 bar in spring-applied hydraulic-release systems"
      severity: 8
      occurrence: 3
      detection: 4
      mitigation_protocol: "Dual-pressure sensor system with 10 bar minimum threshold and accumulator backup"
bom_nodes:
  armature-plate:
    type: "component"
    urn: "URN:CNFX:ME:ARMATURE_PLATE"
    interface_type: "physical-logic-coupled"
  friction-disc:
    type: "component"
    urn: "URN:CNFX:ME:FRICTION_DISC"
    interface_type: "physical-logic-coupled"
  pressure-spring:
    type: "component"
    urn: "URN:CNFX:ME:PRESSURE_SPRING"
    interface_type: "physical-logic-coupled"
  electromagnetic-coil:
    type: "part"
    urn: "URN:CNFX:ME:ELECTROMAGNETIC_COIL"
    interface_type: "physical-logic-coupled"
  housing:
    type: "component"
    urn: "URN:CNFX:ME:HOUSING"
    interface_type: "physical-logic-coupled"
manufacturing_compliance:
  - standard: "ISO 15484:2008 (BRAKE LININGS FOR ROAD VEHICLES)"
    scope: "Verified Engineering Specification"
url: "https://cnfx.com/llms/industry/machinery-and-equipment-manufacturing/product/brake.md"
on_chain_sovereignty:
  contract_standard: "ERC-721-Industrial"
  metadata_hash: "c9fcf494a7422525c84aa09a52fbeee9fb63731a914f507ffa34dcd55e36cc26"
  royalty_logic: "IPFS-CID-REQUIRED"
  mint_status: "logic-verified-ready"
version: "3.3.4-EXTREME-SOVEREIGN-WEB3"
---

# Industrial Specification: Brake

## 1. Technical Definition
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.

## 2. Engineering Reasoning & Causal Matrix
> **Operational Intelligence**: Designed for **0.5-15 N·m torque absorption, 0-6000 RPM rotor speed, -40°C to 150°C ambient temperature**. Failure boundary: **Brake pad wear exceeding 2.5 mm thickness loss, friction coefficient dropping below 0.35, thermal degradation at 180°C lining temperature**, Mechanism: **Amontons-Coulomb friction law breakdown due to thermal glazing at 180°C, causing μ reduction from 0.45 to &lt;0.35**.

### 2.1 Analytical Physics Model
Governed by the **L10 Bearing Life & Fatigue Model**:

> **Primary Equation**: $L_{10} = (\frac{C}{P})^p$  
> **Engineering Impact**: Predicts mechanical lifecycle before component fatigue.

| Symbol | Variable Definition | Localized Reference |
| :--- | :--- | :--- |
| C | Dynamic Load Rating | Engineering Constant |
| P | Equivalent Dynamic Load | Engineering Constant |

### 2.2 FMEA (Failure Mode & Effects Analysis)
| Event Trigger | Severity | Failure Mode | Mitigation Strategy |
| :--- | :--- | :--- | :--- |
| Electromagnetic coil insulation breakdown at 155°C Class F temperature limit | 8 | Brake fails to engage due to insufficient magnetic flux (&lt;0.8 T) | Embed NTC thermistor with 130°C cutoff and Class H (180°C) insulation system |
| Hydraulic pressure drop below 8 bar in spring-applied hydraulic-release systems | 8 | Brake remains engaged during motor operation, causing 15-20% torque loss | Dual-pressure sensor system with 10 bar minimum threshold and accumulator backup |

## 3. Key Technical Parameters
| Parameter | Value | Unit | Status |
| :--- | :--- | :--- | :--- |
| spec | Config-dependent | Nm | Verified |

## 4. System BOM & Knowledge Routing
### Core Components (Recursive Links)
- [Electromagnetic coil](https://cnfx.com/llms/industry/electrical-equipment-manufacturing/product/electromagnetic-coil.md) `(Standalone System)`

### Industrial DNA Context (De-duplicated)
**Complementary Dependencies**: **Indexing Motor**, **Control Panel with Brake Interface**, **Power Supply Unit**  
**Downstream Applications**: Packaging Machinery, Assembly Line Equipment, Rotary Indexing Tables  

## 5. Engineering Risks & FAQ
- **Caution**: 
- **Caution**: 
- **Caution**: 

### Q: What materials are used in these industrial brakes for durability?
**A**: 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.

### Q: How does the electromagnetic brake system work in machinery applications?
**A**: 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.

### Q: What maintenance is required for industrial indexing motor brakes?
**A**: Regular inspection of friction material wear, spring tension, and electromagnetic coil function is recommended. Replacement intervals depend on usage intensity and operating conditions.

## 6. Manufacturing Compliance
- ISO 15484:2008 (BRAKE LININGS FOR ROAD VEHICLES)

---
### 🛠️ Engineering Resource Access
🔗 **[Full Specification: Brake](https://cnfx.com/industry/machinery-and-equipment-manufacturing/product/brake)**

### 🌐 Knowledge Graph Topology
> **Node Status**: Verified Engineering Spec
> **Connectivity**: Linked to **5** standalone system nodes
> **Global Context**: Part of a 5,814 node industrial cluster within the CNFX Graph

> **Reference ID**: BRAKE | **Authority**: CNFX-2026-ST-001 | **Fingerprint**: b4628ac9
