---
title: "Bending Arm"
industry: "Machinery and Equipment Manufacturing"
verification_protocol:
  urn: "URN:CNFX:ME:BENDING_ARM"
  data_integrity_hash: "3073d9f23f4e658e55a5551b8ce77663"
  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"
  data_source_uri: "https://cnfx.com/llms/industry/machinery-and-equipment-manufacturing/product/bending-arm.md"
  official_resource_url: "https://cnfx.com/industry/machinery-and-equipment-manufacturing/product/bending-arm"
  is_verified_logic: true
attributes:
  spec:
    status: "config-dependent"
    typical_range: "15-35 kN bending force, 0.1-2.0 mm/s actuation speed, 0-120° angular displacement"
    unit: "mm"
engineering_limits:
  max_safe_operating_point:
    value: 45
    unit: "kN"
    consequence: "Plastic deformation due to exceeding yield strength of AISI 4140 steel (415 MPa), hydraulic seal failure from pressure exceeding 210 bar design limit, or bearing seizure from angular displacement beyond 135° causing misalignment"
fmea_matrix_quantitative:
  - node_1:
      trigger: "Hydraulic fluid contamination exceeding ISO 4406 Class 18/16/13"
      severity: 8
      occurrence: 3
      detection: 4
      mitigation_protocol: "Install dual 3-micron absolute filtration with differential pressure monitoring and automatic bypass"
  - node_2:
      trigger: "Bending moment arm misalignment exceeding 0.05 mm/mm over 300 mm length"
      severity: 8
      occurrence: 3
      detection: 4
      mitigation_protocol: "Implement laser alignment verification system with 0.01 mm resolution and automated correction via piezoelectric actuators"
bom_nodes:
  arm-linkage:
    type: "component"
    urn: "URN:CNFX:ME:ARM_LINKAGE"
    interface_type: "physical-logic-coupled"
  tool-mounting-interface:
    type: "component"
    urn: "URN:CNFX:ME:TOOL_MOUNTING_INTERFACE"
    interface_type: "physical-logic-coupled"
  position-sensor-target:
    type: "component"
    urn: "URN:CNFX:ME:POSITION_SENSOR_TARGET"
    interface_type: "physical-logic-coupled"
manufacturing_compliance:
  - standard: "ISO 12100:2010 - SAFETY OF MACHINERY"
    scope: "Verified Engineering Specification"
  - standard: "DIN 8580:2003 - MANUFACTURING PROCESSES"
    scope: "Verified Engineering Specification"
url: "https://cnfx.com/llms/industry/machinery-and-equipment-manufacturing/product/bending-arm.md"
on_chain_sovereignty:
  contract_standard: "ERC-721-Industrial"
  metadata_hash: "2d109d71674d09de9b4fbbc9b629d1feaba54b98ae2f677c1dd60c0b3e835b8e"
  royalty_logic: "IPFS-CID-REQUIRED"
  mint_status: "logic-verified-ready"
version: "3.3.4-EXTREME-SOVEREIGN-WEB3"
---

# Industrial Specification: Bending Arm

## 1. Technical Definition
A mechanical component of a Servo Bending Unit that applies controlled force to bend materials.

## 2. Engineering Reasoning & Causal Matrix
> **Operational Intelligence**: Designed for **15-35 kN bending force, 0.1-2.0 mm/s actuation speed, 0-120° angular displacement**. Failure boundary: **Material yield strength exceeded at 45 kN bending force, hydraulic pressure exceeding 210 bar, or angular displacement beyond 135° causing mechanical interference**, Mechanism: **Plastic deformation due to exceeding yield strength of AISI 4140 steel (415 MPa), hydraulic seal failure from pressure exceeding 210 bar design limit, or bearing seizure from angular displacement beyond 135° causing misalignment**.

### 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 |
| :--- | :--- | :--- | :--- |
| Hydraulic fluid contamination exceeding ISO 4406 Class 18/16/13 | 8 | Servo valve spool sticking causing uncontrolled bending force application | Install dual 3-micron absolute filtration with differential pressure monitoring and automatic bypass |
| Bending moment arm misalignment exceeding 0.05 mm/mm over 300 mm length | 8 | Asymmetric loading causing premature bearing wear and angular position drift | Implement laser alignment verification system with 0.01 mm resolution and automated correction via piezoelectric actuators |

## 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**: **Material Feeding System**, **CNC Control Panel**, **Coolant Circulation Unit**  
**Downstream Applications**: Automotive Exhaust Pipes, Structural Steel Beams, HVAC Ductwork  

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

### Q: What materials are used in the bending arm construction?
**A**: Our bending arms are manufactured from either high-strength alloy steel or hardened tool steel, selected based on application requirements for durability and precision.

### Q: How does the position sensor target improve bending accuracy?
**A**: The integrated position sensor target enables real-time feedback to the servo system, ensuring precise control of bending angles and repeatability in manufacturing processes.

### Q: What types of materials can this bending arm handle?
**A**: This bending arm is designed to apply controlled force to various bendable materials including metals, plastics, and composites used in machinery and equipment manufacturing.

## 6. Manufacturing Compliance
- ISO 12100:2010 - SAFETY OF MACHINERY
- DIN 8580:2003 - MANUFACTURING PROCESSES

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

### 🌐 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**: BENDING_ARM | **Authority**: CNFX-2026-ST-001 | **Fingerprint**: d3fcfce9
