---
title: "Clutch Assembly"
industry: "Motor Vehicle Manufacturing"
verification_protocol:
  urn: "URN:CNFX:ME:CLUTCH_ASSEMBLY"
  data_integrity_hash: "753f25a768d57888112af6d499ad5249"
  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:CLUTCH_ASSEMBLY"
  data_source_uri: "https://cnfx.com/llms/industry/motor-vehicle-manufacturing/product/clutch-assembly.md"
  official_resource_url: "https://cnfx.com/industry/motor-vehicle-manufacturing/product/clutch-assembly"
  is_verified_logic: true
attributes:
  spec:
    status: "config-dependent"
    typical_range: "0.5-2.5 MPa engagement pressure, -40°C to 150°C operating temperature"
    unit: "mm"
engineering_limits:
  max_safe_operating_point:
    value: 300
    unit: "°C"
    consequence: "Thermal degradation of friction material beyond glass transition temperature (Tg &gt; 250°C), exceeding yield strength of spring steel (σ_y &gt; 1200 MPa)"
fmea_matrix_quantitative:
  - node_1:
      trigger: "Insufficient lubrication flow rate (&lt; 0.1 L/min)"
      severity: 8
      occurrence: 3
      detection: 4
      mitigation_protocol: "Positive displacement lubrication pump with 0.15 L/min minimum flow sensor"
  - node_2:
      trigger: "Misalignment exceeding 0.05 mm radial runout"
      severity: 8
      occurrence: 3
      detection: 4
      mitigation_protocol: "Precision ground splines with 0.02 mm maximum tolerance and laser alignment verification"
bom_nodes:
  friction-disc:
    type: "component"
    urn: "URN:CNFX:ME:FRICTION_DISC"
    interface_type: "physical-logic-coupled"
  pressure-plate:
    type: "component"
    urn: "URN:CNFX:ME:PRESSURE_PLATE"
    interface_type: "physical-logic-coupled"
  clutch-cover:
    type: "part"
    urn: "URN:CNFX:ME:CLUTCH_COVER"
    interface_type: "physical-logic-coupled"
  release-bearing:
    type: "part"
    urn: "URN:CNFX:ME:RELEASE_BEARING"
    interface_type: "physical-logic-coupled"
manufacturing_compliance:
  - standard: "ISO 9001:2015 - QUALITY MANAGEMENT SYSTEMS"
    scope: "Verified Engineering Specification"
  - standard: "ISO 16281:2008 - ROLLING BEARINGS - METHODS FOR CALCULATING THE MODIFIED REFERENCE RATING LIFE FOR UNIVERSALLY LOADED BEARINGS"
    scope: "Verified Engineering Specification"
url: "https://cnfx.com/llms/industry/motor-vehicle-manufacturing/product/clutch-assembly.md"
on_chain_sovereignty:
  contract_standard: "ERC-721-Industrial"
  metadata_hash: "cecbdb281094fd7e10e304b4b089d72268d05016bdc92b96bed799a608d77994"
  royalty_logic: "IPFS-CID-REQUIRED"
  mint_status: "logic-verified-ready"
version: "3.3.4-EXTREME-SOVEREIGN-WEB3"
---

# Industrial Specification: Clutch Assembly

## 1. Technical Definition
A mechanical assembly that engages and disengages power transmission between the engine and transmission system.

## 2. Engineering Reasoning & Causal Matrix
> **Operational Intelligence**: Designed for **0.5-2.5 MPa engagement pressure, -40°C to 150°C operating temperature**. Failure boundary: **Friction coefficient drops below 0.25, temperature exceeds 300°C, wear exceeds 1.5 mm lining thickness**, Mechanism: **Thermal degradation of friction material beyond glass transition temperature (Tg &gt; 250°C), exceeding yield strength of spring steel (σ_y &gt; 1200 MPa)**.

### 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 |
| :--- | :--- | :--- | :--- |
| Insufficient lubrication flow rate (&lt; 0.1 L/min) | 8 | Friction material thermal runaway and delamination | Positive displacement lubrication pump with 0.15 L/min minimum flow sensor |
| Misalignment exceeding 0.05 mm radial runout | 8 | Uneven wear pattern and vibration-induced fatigue cracking | Precision ground splines with 0.02 mm maximum tolerance and laser alignment verification |

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

## 4. System BOM & Knowledge Routing
### Core Components (Recursive Links)
- [Clutch Cover](https://cnfx.com/llms/industry/motor-vehicle-manufacturing/product/clutch-cover.md) `(Standalone System)`
- [Release Bearing](https://cnfx.com/llms/industry/motor-vehicle-manufacturing/product/release-bearing.md) `(Standalone System)`

### Industrial DNA Context (De-duplicated)
**Complementary Dependencies**: **Hydraulic Press**, **CNC Machining Center**, **Automated Assembly Line**  
**Downstream Applications**: Manual Transmission System, Automated Manual Transmission, Dual-Clutch Transmission  

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

### Q: What are the signs that a clutch assembly needs replacement?
**A**: Common signs include slipping during acceleration, difficulty shifting gears, unusual noises when engaging/disengaging, and a burning smell from friction material wear.

### Q: How do I choose between organic, ceramic, or metallic friction materials?
**A**: Organic offers smooth engagement for daily driving, ceramic provides higher heat resistance for performance/towing, and metallic delivers maximum durability for heavy-duty applications.

### Q: What maintenance extends clutch assembly lifespan?
**A**: Avoid riding the clutch, ensure proper hydraulic system function, maintain correct pedal free play, and replace all components (disc, plate, bearing, cover) together for optimal performance.

## 6. Manufacturing Compliance
- ISO 9001:2015 - QUALITY MANAGEMENT SYSTEMS
- ISO 16281:2008 - ROLLING BEARINGS - METHODS FOR CALCULATING THE MODIFIED REFERENCE RATING LIFE FOR UNIVERSALLY LOADED BEARINGS

---
### 🛠️ Engineering Resource Access
🔗 **[Full Specification: Clutch Assembly](https://cnfx.com/industry/motor-vehicle-manufacturing/product/clutch-assembly)**

### 🌐 Knowledge Graph Topology
> **Node Status**: Verified Engineering Spec
> **Connectivity**: Linked to **4** standalone system nodes
> **Global Context**: Part of a 5,814 node industrial cluster within the CNFX Graph

> **Reference ID**: CLUTCH_ASSEMBLY | **Authority**: CNFX-2026-ST-001 | **Fingerprint**: b832dea0
