---
title: "Door Assembly"
industry: "Fabricated Metal Product Manufacturing"
verification_protocol:
  urn: "URN:CNFX:ME:DOOR_ASSEMBLY"
  data_integrity_hash: "9379ac7d587f6e5d108b0b2a08c227b0"
  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:DOOR_ASSEMBLY"
  data_source_uri: "https://cnfx.com/llms/industry/fabricated-metal-product-manufacturing/product/door-assembly.md"
  official_resource_url: "https://cnfx.com/industry/fabricated-metal-product-manufacturing/product/door-assembly"
  is_verified_logic: true
attributes:
  spec:
    status: "config-dependent"
    typical_range: "0-150 N·m torque, -40°C to 85°C ambient temperature, 0-100% relative humidity (non-condensing)"
    unit: "mm"
engineering_limits:
  max_safe_operating_point:
    value: 000
    unit: "cycles"
    consequence: "High-cycle fatigue at hinge pin stress concentrators exceeding 250 MPa (S-N curve for AISI 4140 steel), viscoelastic creep in EPDM seals under continuous 0.7 MPa compression, abrasive wear reducing latch cam surface hardness below 45 HRC"
fmea_matrix_quantitative:
  - node_1:
      trigger: "Corrosive chloride ion concentration exceeding 500 ppm in atmosphere"
      severity: 8
      occurrence: 3
      detection: 4
      mitigation_protocol: "Isolate dissimilar metals with 1.5 mm thick neoprene gaskets and apply zinc-rich epoxy coating (ASTM B117 salt spray resistance &gt;1000 hours)"
  - node_2:
      trigger: "Repeated impact loading exceeding 50 J from forklift collisions"
      severity: 8
      occurrence: 3
      detection: 4
      mitigation_protocol: "Integrate 4 mm thick 6061-T6 aluminum reinforcement ribs with 25 mm spacing and energy-absorbing polyurethane bumpers (ASTM D256 impact resistance &gt;10 ft-lb/in)"
bom_nodes:
  door-panel:
    type: "part"
    urn: "URN:CNFX:ME:DOOR_PANEL"
    interface_type: "physical-logic-coupled"
  door-frame:
    type: "component"
    urn: "URN:CNFX:ME:DOOR_FRAME"
    interface_type: "physical-logic-coupled"
  hinges:
    type: "component"
    urn: "URN:CNFX:ME:HINGES"
    interface_type: "physical-logic-coupled"
  locking-mechanism:
    type: "part"
    urn: "URN:CNFX:ME:LOCKING_MECHANISM"
    interface_type: "physical-logic-coupled"
  door-seals:
    type: "component"
    urn: "URN:CNFX:ME:DOOR_SEALS"
    interface_type: "physical-logic-coupled"
manufacturing_compliance:
  - standard: "ISO 9001:2015 - QUALITY MANAGEMENT SYSTEMS"
    scope: "Verified Engineering Specification"
  - standard: "EN 14351-1:2006 - WINDOWS AND DOORS - PRODUCT STANDARD, PERFORMANCE CHARACTERISTICS"
    scope: "Verified Engineering Specification"
url: "https://cnfx.com/llms/industry/fabricated-metal-product-manufacturing/product/door-assembly.md"
on_chain_sovereignty:
  contract_standard: "ERC-721-Industrial"
  metadata_hash: "32503cd52f4a86a88131e462286930ad77f3af671d9fab9a4b23b7f474d693c6"
  royalty_logic: "IPFS-CID-REQUIRED"
  mint_status: "logic-verified-ready"
version: "3.3.4-EXTREME-SOVEREIGN-WEB3"
---

# Industrial Specification: Door Assembly

## 1. Technical Definition
A complete set of components that form a functional door unit for industrial enclosures.

## 2. Engineering Reasoning & Causal Matrix
> **Operational Intelligence**: Designed for **0-150 N·m torque, -40°C to 85°C ambient temperature, 0-100% relative humidity (non-condensing)**. Failure boundary: **Hinge fatigue fracture at 200,000 cycles (ASTM E466), seal compression set exceeding 15% permanent deformation (ASTM D395), latch engagement force dropping below 45 N**, Mechanism: **High-cycle fatigue at hinge pin stress concentrators exceeding 250 MPa (S-N curve for AISI 4140 steel), viscoelastic creep in EPDM seals under continuous 0.7 MPa compression, abrasive wear reducing latch cam surface hardness below 45 HRC**.

### 2.2 FMEA (Failure Mode & Effects Analysis)
| Event Trigger | Severity | Failure Mode | Mitigation Strategy |
| :--- | :--- | :--- | :--- |
| Corrosive chloride ion concentration exceeding 500 ppm in atmosphere | 8 | Galvanic corrosion at aluminum-steel interfaces causing 0.5 mm/year material loss | Isolate dissimilar metals with 1.5 mm thick neoprene gaskets and apply zinc-rich epoxy coating (ASTM B117 salt spray resistance &gt;1000 hours) |
| Repeated impact loading exceeding 50 J from forklift collisions | 8 | Plastic deformation of door frame exceeding 3 mm permanent deflection | Integrate 4 mm thick 6061-T6 aluminum reinforcement ribs with 25 mm spacing and energy-absorbing polyurethane bumpers (ASTM D256 impact resistance &gt;10 ft-lb/in) |

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

## 4. System BOM & Knowledge Routing
### Core Components (Recursive Links)
- [Door Panel](https://cnfx.com/llms/industry/fabricated-metal-product-manufacturing/product/door-panel.md) `(Standalone System)`
- [Locking Mechanism](https://cnfx.com/llms/industry/fabricated-metal-product-manufacturing/product/locking-mechanism.md) `(Standalone System)`

### Industrial DNA Context (De-duplicated)
**Complementary Dependencies**: **Sheet Metal Roll Forming Machine**, **Industrial Spot Welder**, **Powder Coating System**  
**Downstream Applications**: Electrical Enclosures, Industrial Control Panels, Telecommunications Cabinets  

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

### Q: What materials are available for this door assembly?
**A**: Our door assemblies are fabricated in galvanized steel, stainless steel, and aluminum to suit different industrial environments and corrosion resistance requirements.

### Q: What components are included in the complete door assembly?
**A**: Each assembly includes a door panel, door frame, hinges, locking mechanism, and door seals - everything needed for a functional industrial enclosure door.

### Q: Are these door assemblies customizable for specific industrial applications?
**A**: Yes, we offer customization options including material selection, dimensions, and specialized locking systems to meet specific fabricated metal product manufacturing needs.

## 6. Manufacturing Compliance
- ISO 9001:2015 - QUALITY MANAGEMENT SYSTEMS
- EN 14351-1:2006 - WINDOWS AND DOORS - PRODUCT STANDARD, PERFORMANCE CHARACTERISTICS

---
### 🛠️ Engineering Resource Access
🔗 **[Full Specification: Door Assembly](https://cnfx.com/industry/fabricated-metal-product-manufacturing/product/door-assembly)**

### 🌐 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**: DOOR_ASSEMBLY | **Authority**: CNFX-2026-ST-001 | **Fingerprint**: 755d02a8
