---
title: "Hinge System"
industry: "Machinery and Equipment Manufacturing"
verification_protocol:
  urn: "URN:CNFX:ME:HINGE_SYSTEM"
  data_integrity_hash: "42b58feac48ebc0ac2ea437e87c805ca"
  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:HINGE_SYSTEM"
  data_source_uri: "https://cnfx.com/llms/industry/machinery-and-equipment-manufacturing/product/hinge-system.md"
  official_resource_url: "https://cnfx.com/industry/machinery-and-equipment-manufacturing/product/hinge-system"
  is_verified_logic: true
attributes:
  spec:
    status: "config-dependent"
    typical_range: "0-1.5 NÂ·m torque, -40Â°C to 120Â°C temperature, 10^-6 to 10^-3 mbar vacuum pressure"
    unit: "mm"
engineering_limits:
  max_safe_operating_point:
    value: 2.0
    unit: "NÂ"
    consequence: "Yield strength of AISI 304 stainless steel hinge pin (205 MPa) exceeded at 2.0 NÂ·m torque, PTFE seal degradation at 150Â°C due to glass transition temperature, outgassing at 10^-6 mbar from absorbed water vapor in elastomers"
fmea_matrix_quantitative:
  - node_1:
      trigger: "Misalignment exceeding 0.1 mm during installation"
      severity: 8
      occurrence: 3
      detection: 4
      mitigation_protocol: "Laser alignment fixtures with 0.01 mm precision during assembly"
  - node_2:
      trigger: "Cyclic thermal loading between -40Â°C and 120Â°C at 5 cycles/hour"
      severity: 8
      occurrence: 3
      detection: 4
      mitigation_protocol: "Redesign with continuous fillet welds using 316L stainless steel with lower thermal expansion coefficient"
bom_nodes:
  hinge-pin:
    type: "component"
    urn: "URN:CNFX:ME:HINGE_PIN"
    interface_type: "physical-logic-coupled"
  mounting-plate:
    type: "component"
    urn: "URN:CNFX:ME:MOUNTING_PLATE"
    interface_type: "physical-logic-coupled"
  bearing-assembly:
    type: "part"
    urn: "URN:CNFX:ME:BEARING_ASSEMBLY"
    interface_type: "physical-logic-coupled"
  seal-interface:
    type: "component"
    urn: "URN:CNFX:ME:SEAL_INTERFACE"
    interface_type: "physical-logic-coupled"
manufacturing_compliance:
  - standard: "ISO 9001:2015 - QUALITY MANAGEMENT SYSTEMS"
    scope: "Verified Engineering Specification"
  - standard: "DIN EN 1935 - BUILDING HARDWARE - SINGLE-AXIS HINGES"
    scope: "Verified Engineering Specification"
url: "https://cnfx.com/llms/industry/machinery-and-equipment-manufacturing/product/hinge-system.md"
on_chain_sovereignty:
  contract_standard: "ERC-721-Industrial"
  metadata_hash: "8218273c404061cc87bd92de782aeb5e44521084ac0bfaab6cd1b535a1eb387d"
  royalty_logic: "IPFS-CID-REQUIRED"
  mint_status: "logic-verified-ready"
version: "3.3.4-EXTREME-SOVEREIGN-WEB3"
---

# Industrial Specification: Hinge System

## 1. Technical Definition
A mechanical assembly that enables the controlled rotation and sealing of a vacuum door panel.

## 2. Engineering Reasoning & Causal Matrix
> **Operational Intelligence**: Designed for **0-1.5 NÂ·m torque, -40Â°C to 120Â°C temperature, 10^-6 to 10^-3 mbar vacuum pressure**. Failure boundary: **Torque exceeding 2.0 NÂ·m causes permanent deformation of hinge pin, temperature beyond 150Â°C degrades PTFE seals, vacuum pressure below 10^-6 mbar induces outgassing**, Mechanism: **Yield strength of AISI 304 stainless steel hinge pin (205 MPa) exceeded at 2.0 NÂ·m torque, PTFE seal degradation at 150Â°C due to glass transition temperature, outgassing at 10^-6 mbar from absorbed water vapor in elastomers**.

### 2.2 FMEA (Failure Mode & Effects Analysis)
| Event Trigger | Severity | Failure Mode | Mitigation Strategy |
| :--- | :--- | :--- | :--- |
| Misalignment exceeding 0.1 mm during installation | 8 | Accelerated wear of bearing surfaces leading to increased rotational resistance | Laser alignment fixtures with 0.01 mm precision during assembly |
| Cyclic thermal loading between -40Â°C and 120Â°C at 5 cycles/hour | 8 | Thermal fatigue cracking at weld joints between hinge plate and mounting bracket | Redesign with continuous fillet welds using 316L stainless steel with lower thermal expansion coefficient |

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

## 4. System BOM & Knowledge Routing
### Core Components (Recursive Links)
- [Bearing Assembly](https://cnfx.com/llms/industry/furniture-manufacturing/product/bearing-assembly.md) `(Standalone System)`

### Industrial DNA Context (De-duplicated)
**Complementary Dependencies**: **Vacuum Pump System**, **Precision CNC Machining Center**, **Surface Treatment Equipment**  
**Downstream Applications**: Industrial Vacuum Chambers, Semiconductor Processing Equipment, Aerospace Testing Chambers  

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

### Q: What materials are used in this hinge system for durability?
**A**: This hinge system is constructed with corrosion-resistant stainless steel, bronze bushings for smooth rotation, and polymer seals to maintain vacuum integrity in demanding industrial environments.

### Q: How does this hinge system maintain vacuum sealing during operation?
**A**: The system incorporates specialized polymer seals at the seal interface that compress during rotation, creating a reliable barrier that prevents air ingress while allowing controlled door movement.

### Q: What components are included in the hinge system BOM?
**A**: The bill of materials includes a precision hinge pin, mounting plate for secure installation, bearing assembly with bronze bushings, and seal interface components to ensure proper vacuum sealing.

## 6. Manufacturing Compliance
- ISO 9001:2015 - QUALITY MANAGEMENT SYSTEMS
- DIN EN 1935 - BUILDING HARDWARE - SINGLE-AXIS HINGES

---
### ðŸ› ï¸ Engineering Resource Access
ðŸ”— **[Full Specification: Hinge System](https://cnfx.com/industry/machinery-and-equipment-manufacturing/product/hinge-system)**

### ðŸŒ 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**: HINGE_SYSTEM | **Authority**: CNFX-2026-ST-001 | **Fingerprint**: 00a1ff28
