---
title: "Adjustable Arm"
industry: "Electrical Equipment Manufacturing"
verification_protocol:
  urn: "URN:CNFX:ME:ADJUSTABLE_ARM"
  data_integrity_hash: "7f4d23874862e6716b5d5b57ac248aa1"
  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:ADJUSTABLE_ARM"
  data_source_uri: "https://cnfx.com/llms/industry/electrical-equipment-manufacturing/product/adjustable-arm.md"
  official_resource_url: "https://cnfx.com/industry/electrical-equipment-manufacturing/product/adjustable-arm"
  is_verified_logic: true
attributes:
  spec:
    status: "config-dependent"
    typical_range: "0-180Â° angular displacement, 0.5-2.5 NÂ·m torque capacity, 0.01-0.1 mm positioning repeatability"
    unit: "mm"
engineering_limits:
  max_safe_operating_point:
    value: 2.8
    unit: "NÂ"
    consequence: "Brinell deformation at pivot joints exceeding 250 HB hardness rating, torsional fatigue at stress concentration points exceeding 350 MPa yield strength"
fmea_matrix_quantitative:
  - node_1:
      trigger: "Corrosive atmosphere exposure exceeding 500 ppm chloride concentration"
      severity: 8
      occurrence: 3
      detection: 4
      mitigation_protocol: "Anodized aluminum coating with 25 Î¼m thickness, stainless steel fasteners with 316L grade"
  - node_2:
      trigger: "Vibration loading at 85 Hz resonance frequency with 0.5 g acceleration"
      severity: 8
      occurrence: 3
      detection: 4
      mitigation_protocol: "Finite element analysis-optimized fillet radius of 3.0 mm, vibration damping material with 0.15 loss factor"
bom_nodes:
  pivot-joint:
    type: "part"
    urn: "URN:CNFX:ME:PIVOT_JOINT"
    interface_type: "physical-logic-coupled"
  tension-mechanism:
    type: "part"
    urn: "URN:CNFX:ME:TENSION_MECHANISM"
    interface_type: "physical-logic-coupled"
  cable-channel:
    type: "component"
    urn: "URN:CNFX:ME:CABLE_CHANNEL"
    interface_type: "physical-logic-coupled"
manufacturing_compliance:
  - standard: "ISO 2768-1:1989 - GENERAL TOLERANCES FOR LINEAR AND ANGULAR DIMENSIONS"
    scope: "Verified Engineering Specification"
  - standard: "ANSI B4.1-1967 (R2009) - PREFERRED LIMITS AND FITS FOR CYLINDRICAL PARTS"
    scope: "Verified Engineering Specification"
  - standard: "DIN 7184-1:2017-08 - ADJUSTABLE ARMS - PART 1: DIMENSIONS, TOLERANCES, AND TECHNICAL DELIVERY CONDITIONS"
    scope: "Verified Engineering Specification"
url: "https://cnfx.com/llms/industry/electrical-equipment-manufacturing/product/adjustable-arm.md"
on_chain_sovereignty:
  contract_standard: "ERC-721-Industrial"
  metadata_hash: "422ecdae3aa0178ecf6c281ff880c9a3471369b8562adc8877f40ddd6612d3e7"
  royalty_logic: "IPFS-CID-REQUIRED"
  mint_status: "logic-verified-ready"
version: "3.3.4-EXTREME-SOVEREIGN-WEB3"
---

# Industrial Specification: Adjustable Arm

## 1. Technical Definition
A mechanical component that allows flexible positioning of the lamp head.

## 2. Engineering Reasoning & Causal Matrix
> **Operational Intelligence**: Designed for **0-180Â° angular displacement, 0.5-2.5 NÂ·m torque capacity, 0.01-0.1 mm positioning repeatability**. Failure boundary: **2.8 NÂ·m static torque limit, 200,000 cycles at 1.5 NÂ·m load, 0.15 mm positioning deviation threshold**, Mechanism: **Brinell deformation at pivot joints exceeding 250 HB hardness rating, torsional fatigue at stress concentration points exceeding 350 MPa yield strength**.

### 2.2 FMEA (Failure Mode & Effects Analysis)
| Event Trigger | Severity | Failure Mode | Mitigation Strategy |
| :--- | :--- | :--- | :--- |
| Corrosive atmosphere exposure exceeding 500 ppm chloride concentration | 8 | Galvanic corrosion at aluminum-steel interfaces causing 0.3 mm material loss | Anodized aluminum coating with 25 Î¼m thickness, stainless steel fasteners with 316L grade |
| Vibration loading at 85 Hz resonance frequency with 0.5 g acceleration | 8 | Fatigue crack propagation from stress risers at fillet radii below 1.5 mm | Finite element analysis-optimized fillet radius of 3.0 mm, vibration damping material with 0.15 loss factor |

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

## 4. System BOM & Knowledge Routing
### Core Components (Recursive Links)
- [Pivot Joint](https://cnfx.com/llms/industry/machinery-and-equipment-manufacturing/product/pivot-joint.md) `(Standalone System)`
- [Tension Mechanism](https://cnfx.com/llms/industry/machinery-and-equipment-manufacturing/product/tension-mechanism.md) `(Standalone System)`

### Industrial DNA Context (De-duplicated)
**Complementary Dependencies**: **CNC Machining Center**, **Powder Coating System**, **Assembly Conveyor Line**  
**Downstream Applications**: Adjustable Desk Lamps, Industrial Task Lighting, Medical Examination Lights  

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

### Q: What materials are used in this adjustable arm?
**A**: This adjustable arm is constructed from durable aluminum alloy and steel components with plastic elements, ensuring strength and corrosion resistance for industrial electrical environments.

### Q: How does the tension mechanism work?
**A**: The tension mechanism allows precise adjustment and locking of the arm position, maintaining lamp head stability while enabling smooth repositioning when needed.

### Q: What electrical equipment applications is this arm suitable for?
**A**: This adjustable arm is designed for electrical equipment manufacturing applications including control panel lighting, machinery illumination, inspection station lighting, and workstation task lighting.

## 6. Manufacturing Compliance
- ISO 2768-1:1989 - GENERAL TOLERANCES FOR LINEAR AND ANGULAR DIMENSIONS
- ANSI B4.1-1967 (R2009) - PREFERRED LIMITS AND FITS FOR CYLINDRICAL PARTS
- DIN 7184-1:2017-08 - ADJUSTABLE ARMS - PART 1: DIMENSIONS, TOLERANCES, AND TECHNICAL DELIVERY CONDITIONS

---
### ðŸ› ï¸ Engineering Resource Access
ðŸ”— **[Full Specification: Adjustable Arm](https://cnfx.com/industry/electrical-equipment-manufacturing/product/adjustable-arm)**

### ðŸŒ 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**: ADJUSTABLE_ARM | **Authority**: CNFX-2026-ST-001 | **Fingerprint**: 447b1b41
