---
title: "Bending Arm Frame"
industry: "Machinery and Equipment Manufacturing"
verification_protocol:
  urn: "URN:CNFX:ME:BENDING_ARM_FRAME"
  data_integrity_hash: "cd03239a83cfbfea8ffba786433f9269"
  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:BENDING_ARM_FRAME"
  data_source_uri: "https://cnfx.com/llms/industry/machinery-and-equipment-manufacturing/product/bending-arm-frame.md"
  official_resource_url: "https://cnfx.com/industry/machinery-and-equipment-manufacturing/product/bending-arm-frame"
  is_verified_logic: true
attributes:
  spec:
    status: "config-dependent"
    typical_range: "0-1500 N·m bending moment, -40°C to 120°C temperature"
    unit: "mm"
engineering_limits:
  max_safe_operating_point:
    value: 250
    unit: "MPa"
    consequence: "Stress concentration at mounting holes exceeding material yield strength (ASTM A36 steel, σ_y = 250 MPa) due to cyclic loading at 10⁶ cycles (S-N curve fatigue limit)"
fmea_matrix_quantitative:
  - node_1:
      trigger: "Cyclic bending moment exceeding 1500 N·m at 5 Hz frequency"
      severity: 8
      occurrence: 3
      detection: 4
      mitigation_protocol: "Increase mounting hole radius to 2.0 mm with shot peening surface treatment (Ra 0.8 μm)"
  - node_2:
      trigger: "Thermal expansion differential of 12×10⁻⁶/°C between frame and mounting bolts"
      severity: 8
      occurrence: 3
      detection: 4
      mitigation_protocol: "Use matched coefficient of thermal expansion materials (17×10⁻⁶/°C Invar 36 inserts)"
bom_nodes:
  base-plate:
    type: "component"
    urn: "URN:CNFX:ME:BASE_PLATE"
    interface_type: "physical-logic-coupled"
  vertical-supports:
    type: "component"
    urn: "URN:CNFX:ME:VERTICAL_SUPPORTS"
    interface_type: "physical-logic-coupled"
  cross-braces:
    type: "component"
    urn: "URN:CNFX:ME:CROSS_BRACES"
    interface_type: "physical-logic-coupled"
  mounting-brackets:
    type: "component"
    urn: "URN:CNFX:ME:MOUNTING_BRACKETS"
    interface_type: "physical-logic-coupled"
manufacturing_compliance:
url: "https://cnfx.com/llms/industry/machinery-and-equipment-manufacturing/product/bending-arm-frame.md"
on_chain_sovereignty:
  contract_standard: "ERC-721-Industrial"
  metadata_hash: "3446ef5cbaf489fe51cfe68121e77ae3a652fbae2844db56ae1e444909066da6"
  royalty_logic: "IPFS-CID-REQUIRED"
  mint_status: "logic-verified-ready"
version: "3.3.4-EXTREME-SOVEREIGN-WEB3"
---

# Industrial Specification: Bending Arm Frame

## 1. Technical Definition
The structural support component of a bending arm assembly that provides rigidity and mounting points for other parts.

## 2. Engineering Reasoning & Causal Matrix
> **Operational Intelligence**: Designed for **0-1500 N·m bending moment, -40°C to 120°C temperature**. Failure boundary: **Yield strength exceeded at 250 MPa stress concentration factor of 2.5 at mounting holes**, Mechanism: **Stress concentration at mounting holes exceeding material yield strength (ASTM A36 steel, σ_y = 250 MPa) due to cyclic loading at 10⁶ cycles (S-N curve fatigue limit)**.

### 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 |
| :--- | :--- | :--- | :--- |
| Cyclic bending moment exceeding 1500 N·m at 5 Hz frequency | 8 | Fatigue crack initiation at mounting hole radius (0.5 mm) | Increase mounting hole radius to 2.0 mm with shot peening surface treatment (Ra 0.8 μm) |
| Thermal expansion differential of 12×10⁻⁶/°C between frame and mounting bolts | 8 | Bolt preload loss exceeding 30% at 120°C operating temperature | Use matched coefficient of thermal expansion materials (17×10⁻⁶/°C Invar 36 inserts) |

## 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**: **Hydraulic Power Unit**, **CNC Bending Machine**, **Laser Cutting System**  
**Downstream Applications**: Automotive Chassis Components, Aerospace Structural Frames, Heavy Machinery Support Arms  

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

### Q: What materials are used in the bending arm frame construction?
**A**: Our bending arm frames are constructed from high-grade structural steel or cast iron, providing exceptional durability and rigidity for industrial machinery applications.

### Q: What components are included in the bending arm frame assembly?
**A**: Each bending arm frame includes a base plate, vertical supports, cross braces, and mounting brackets - all designed for easy integration into bending arm systems.

### Q: How does the bending arm frame improve machinery performance?
**A**: The frame provides critical structural support that enhances stability, reduces vibration, and ensures precise alignment of bending arm components during operation.

## 6. Manufacturing Compliance

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### 🛠️ Engineering Resource Access
🔗 **[Full Specification: Bending Arm Frame](https://cnfx.com/industry/machinery-and-equipment-manufacturing/product/bending-arm-frame)**

### 🌐 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**: BENDING_ARM_FRAME | **Authority**: CNFX-2026-ST-001 | **Fingerprint**: 36fd586a
