---
title: "Elevation Pivot Joint"
industry: "Machinery and Equipment Manufacturing"
verification_protocol:
  urn: "URN:CNFX:ME:ELEVATION_PIVOT_JOINT"
  data_integrity_hash: "61a2a90a24850cc70eb5d25e779ade16"
  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:ELEVATION_PIVOT_JOINT"
  data_source_uri: "https://cnfx.com/llms/industry/machinery-and-equipment-manufacturing/product/elevation-pivot-joint.md"
  official_resource_url: "https://cnfx.com/industry/machinery-and-equipment-manufacturing/product/elevation-pivot-joint"
  is_verified_logic: true
attributes:
  spec:
    status: "config-dependent"
    typical_range: "0-90 degrees rotation, 0-500 N·m torque, -40°C to 120°C temperature"
    unit: "mm"
engineering_limits:
  max_safe_operating_point:
    value: 350
    unit: "MPa"
    consequence: "Hertzian contact stress exceeding material yield strength (SAE 52100 steel: 1.8 GPa ultimate tensile strength) causing spalling, thermal expansion mismatch (α_steel=11×10⁻⁶/°C, α_aluminum=23×10⁻⁶/°C) inducing binding at &gt;120°C"
fmea_matrix_quantitative:
  - node_1:
      trigger: "Lubricant degradation due to water ingress &gt;0.5% contamination"
      severity: 8
      occurrence: 3
      detection: 4
      mitigation_protocol: "Integral labyrinth seal with 0.05 mm radial clearance and IP67 rating"
  - node_2:
      trigger: "Cyclic torsional loading at 8-12 Hz resonance with natural frequency"
      severity: 8
      occurrence: 3
      detection: 4
      mitigation_protocol: "Finite element optimization for stress distribution &lt;200 MPa at 10⁷ cycles (S-N curve for 4340 steel)"
bom_nodes:
  pivot-pin:
    type: "component"
    urn: "URN:CNFX:ME:PIVOT_PIN"
    interface_type: "physical-logic-coupled"
  bearing-bushing:
    type: "component"
    urn: "URN:CNFX:ME:BEARING_BUSHING"
    interface_type: "physical-logic-coupled"
  retaining-ring:
    type: "component"
    urn: "URN:CNFX:ME:RETAINING_RING"
    interface_type: "physical-logic-coupled"
manufacturing_compliance:
  - standard: "ISO 9001:2015 - QUALITY MANAGEMENT SYSTEMS"
    scope: "Verified Engineering Specification"
  - standard: "CE MARKING - DIRECTIVE 2006/42/EC (MACHINERY)"
    scope: "Verified Engineering Specification"
url: "https://cnfx.com/llms/industry/machinery-and-equipment-manufacturing/product/elevation-pivot-joint.md"
on_chain_sovereignty:
  contract_standard: "ERC-721-Industrial"
  metadata_hash: "9752a9a8ddcd3dc82768f1c1ae3c3464948c4b8a02ef2b3279fd52fc265f9601"
  royalty_logic: "IPFS-CID-REQUIRED"
  mint_status: "logic-verified-ready"
version: "3.3.4-EXTREME-SOVEREIGN-WEB3"
---

# Industrial Specification: Elevation Pivot Joint

## 1. Technical Definition
A mechanical joint that allows rotational movement for elevation adjustment within a swivel base assembly.

## 2. Engineering Reasoning & Causal Matrix
> **Operational Intelligence**: Designed for **0-90 degrees rotation, 0-500 N·m torque, -40°C to 120°C temperature**. Failure boundary: **Shear stress exceeding 350 MPa in bearing raceways, angular deflection &gt;0.5° from nominal position under 400 N·m load, surface temperature &gt;150°C**, Mechanism: **Hertzian contact stress exceeding material yield strength (SAE 52100 steel: 1.8 GPa ultimate tensile strength) causing spalling, thermal expansion mismatch (α_steel=11×10⁻⁶/°C, α_aluminum=23×10⁻⁶/°C) inducing binding at &gt;120°C**.

### 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 |
| :--- | :--- | :--- | :--- |
| Lubricant degradation due to water ingress &gt;0.5% contamination | 8 | Boundary lubrication regime transition causing adhesive wear (coefficient of friction μ&gt;0.15) | Integral labyrinth seal with 0.05 mm radial clearance and IP67 rating |
| Cyclic torsional loading at 8-12 Hz resonance with natural frequency | 8 | Fatigue crack initiation at stress concentrators (Kt&gt;3.0) in fillet radii | Finite element optimization for stress distribution &lt;200 MPa at 10⁷ cycles (S-N curve for 4340 steel) |

## 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 Heat Treatment Furnace**  
**Downstream Applications**: Construction Equipment Booms, Agricultural Sprayer Arms, Material Handling Robotic Arms  

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

### Q: What materials are used in the Elevation Pivot Joint?
**A**: The Elevation Pivot Joint is constructed from high-strength alloy steel for durability, features a bronze bushing for smooth rotation, and includes lubricant for reduced friction and wear.

### Q: What are the main components in the BOM for this joint?
**A**: The Bill of Materials includes a bearing bushing for support, a pivot pin for the rotational axis, and a retaining ring to secure components in place within the assembly.

### Q: How does the Elevation Pivot Joint function in machinery?
**A**: It enables precise rotational movement for elevation adjustment within a swivel base assembly, allowing controlled angular positioning in industrial equipment and machinery applications.

## 6. Manufacturing Compliance
- ISO 9001:2015 - QUALITY MANAGEMENT SYSTEMS
- CE MARKING - DIRECTIVE 2006/42/EC (MACHINERY)

---
### 🛠️ Engineering Resource Access
🔗 **[Full Specification: Elevation Pivot Joint](https://cnfx.com/industry/machinery-and-equipment-manufacturing/product/elevation-pivot-joint)**

### 🌐 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**: ELEVATION_PIVOT_JOINT | **Authority**: CNFX-2026-ST-001 | **Fingerprint**: 4991face
