---
title: "Yoke/Hinge Assembly"
industry: "Machinery and Equipment Manufacturing"
verification_protocol:
  urn: "URN:CNFX:ME:YOKEHINGE_ASSEMBLY"
  data_integrity_hash: "3519d484a721014db4e6f439c1d4bc18"
  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:YOKEHINGE_ASSEMBLY"
  data_source_uri: "https://cnfx.com/llms/industry/machinery-and-equipment-manufacturing/product/yokehinge-assembly.md"
  official_resource_url: "https://cnfx.com/industry/machinery-and-equipment-manufacturing/product/yokehinge-assembly"
  is_verified_logic: true
attributes:
  spec:
    status: "config-dependent"
    typical_range: "0-180° rotational angle, 0.5-2.5 N·m torque transmission, -40°C to 85°C temperature range"
    unit: "mm"
engineering_limits:
  max_safe_operating_point:
    value: 150
    unit: "MPa"
    consequence: "Fatigue failure due to cyclic bending stress exceeding 110 MPa at stress concentration points, fretting wear at pin-bushing interface with coefficient of friction &gt;0.15, plastic deformation from torque loads exceeding yield strength of 250 MPa"
fmea_matrix_quantitative:
  - node_1:
      trigger: "Misalignment-induced bending moment exceeding 1.8 N·m"
      severity: 8
      occurrence: 3
      detection: 4
      mitigation_protocol: "Precision jig alignment during assembly with ±0.05 mm tolerance, tapered pin design with 1:50 ratio, shot peening to induce 400 MPa compressive residual stress"
  - node_2:
      trigger: "Lubricant degradation at temperatures above 120°C"
      severity: 8
      occurrence: 3
      detection: 4
      mitigation_protocol: "PTFE-impregnated bronze bushings with 25% porosity, forced air cooling maintaining &lt;80°C at interface, MoS₂ coating with 0.08 coefficient of friction"
bom_nodes:
  yoke-bracket:
    type: "component"
    urn: "URN:CNFX:ME:YOKE_BRACKET"
    interface_type: "physical-logic-coupled"
  hinge-pin:
    type: "component"
    urn: "URN:CNFX:ME:HINGE_PIN"
    interface_type: "physical-logic-coupled"
  friction-washer:
    type: "component"
    urn: "URN:CNFX:ME:FRICTION_WASHER"
    interface_type: "physical-logic-coupled"
manufacturing_compliance:
url: "https://cnfx.com/llms/industry/machinery-and-equipment-manufacturing/product/yokehinge-assembly.md"
on_chain_sovereignty:
  contract_standard: "ERC-721-Industrial"
  metadata_hash: "270b18ff4b7a1463148fe44296683d679b16679059eece1c95c38a92594da4b7"
  royalty_logic: "IPFS-CID-REQUIRED"
  mint_status: "logic-verified-ready"
version: "3.3.4-EXTREME-SOVEREIGN-WEB3"
---

# Industrial Specification: Yoke/Hinge Assembly

## 1. Technical Definition
A mechanical assembly that connects and allows rotational movement between headband segments.

## 2. Engineering Reasoning & Causal Matrix
> **Operational Intelligence**: Designed for **0-180° rotational angle, 0.5-2.5 N·m torque transmission, -40°C to 85°C temperature range**. Failure boundary: **Shear stress exceeding 150 MPa at pin interface, angular deflection beyond ±5° from nominal position, wear depth exceeding 0.1 mm at bearing surfaces**, Mechanism: **Fatigue failure due to cyclic bending stress exceeding 110 MPa at stress concentration points, fretting wear at pin-bushing interface with coefficient of friction &gt;0.15, plastic deformation from torque loads exceeding yield strength of 250 MPa**.

### 2.1 Analytical Physics Model
Governed by the **Frame Structural Deflection Analysis**:

> **Primary Equation**: $\delta = \frac{5 q L^4}{384 E I}$  
> **Engineering Impact**: Ensures structural stability for multi-stage machines.

| Symbol | Variable Definition | Localized Reference |
| :--- | :--- | :--- |
| q | Uniform Load | Engineering Constant |
| E | Elastic Modulus | Engineering Constant |
| I | Moment of Inertia | Engineering Constant |

### 2.2 FMEA (Failure Mode & Effects Analysis)
| Event Trigger | Severity | Failure Mode | Mitigation Strategy |
| :--- | :--- | :--- | :--- |
| Misalignment-induced bending moment exceeding 1.8 N·m | 8 | Pin shear fracture at stress concentration points | Precision jig alignment during assembly with ±0.05 mm tolerance, tapered pin design with 1:50 ratio, shot peening to induce 400 MPa compressive residual stress |
| Lubricant degradation at temperatures above 120°C | 8 | Adhesive wear at bushing interface with wear rate &gt;0.01 mm³/N·m | PTFE-impregnated bronze bushings with 25% porosity, forced air cooling maintaining &lt;80°C at interface, MoS₂ coating with 0.08 coefficient of friction |

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

## 4. System BOM & Knowledge Routing
### Core Components (Recursive Links)

### Industrial DNA Context (De-duplicated)
**Complementary Dependencies**: **CNC Machining Center**, **Coordinate Measuring Machine**, **Industrial Assembly Press**  
**Downstream Applications**: Safety Helmets, VR Headsets, Welding Masks  

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

### Q: What materials are used in this yoke/hinge assembly?
**A**: This assembly is constructed from stainless steel, zinc alloy, and engineering plastic for durability and smooth operation in machinery applications.

### Q: What components are included in the BOM for this assembly?
**A**: The bill of materials includes a yoke bracket, hinge pin, and friction washer, designed to work together for reliable rotational movement.

### Q: What industries commonly use this type of yoke/hinge assembly?
**A**: Primarily used in machinery and equipment manufacturing, especially for applications requiring precise rotational connections between headband segments or similar components.

## 6. Manufacturing Compliance

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### 🛠️ Engineering Resource Access
🔗 **[Full Specification: Yoke/Hinge Assembly](https://cnfx.com/industry/machinery-and-equipment-manufacturing/product/yokehinge-assembly)**

### 🌐 Knowledge Graph Topology
> **Node Status**: Verified Engineering Spec
> **Connectivity**: Linked to **3** standalone system nodes
> **Global Context**: Part of a 5,814 node industrial cluster within the CNFX Graph

> **Reference ID**: YOKEHINGE_ASSEMBLY | **Authority**: CNFX-2026-ST-001 | **Fingerprint**: 5bfb6b3b
