---
title: "Actuator Arm"
industry: "Machinery and Equipment Manufacturing"
verification_protocol:
  urn: "URN:CNFX:ME:ACTUATOR_ARM"
  data_integrity_hash: "3affb5b4ca5ac65a7f6596a7ef608abf"
  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:ACTUATOR_ARM"
  data_source_uri: "https://cnfx.com/llms/industry/machinery-and-equipment-manufacturing/product/actuator-arm.md"
  official_resource_url: "https://cnfx.com/industry/machinery-and-equipment-manufacturing/product/actuator-arm"
  is_verified_logic: true
attributes:
  spec:
    status: "config-dependent"
    typical_range: "0.5-2.5 N·m torque, 0.1-5.0 mm displacement, 0-85° angular motion"
    unit: "mm"
engineering_limits:
  max_safe_operating_point:
    value: 350
    unit: "MPa"
    consequence: "High-cycle fatigue at stress concentration points (notch factor Kt=2.8), adhesive wear at Hertzian contact pressure exceeding 1.2 GPa, torsional buckling at critical torque of 3.2 N·m"
fmea_matrix_quantitative:
  - node_1:
      trigger: "Lubricant degradation at 120°C causing boundary lubrication failure"
      severity: 8
      occurrence: 3
      detection: 4
      mitigation_protocol: "Implement PTFE-coated bearing surfaces with thermal stability to 200°C, integrate temperature sensors with automatic cooling activation at 100°C"
  - node_2:
      trigger: "Resonance excitation at 125 Hz matching arm's natural frequency"
      severity: 8
      occurrence: 3
      detection: 4
      mitigation_protocol: "Design with tuned mass damper (5% critical damping), implement frequency monitoring with automatic shutdown at 115 Hz excitation"
bom_nodes:
  pivot-arbor:
    type: "component"
    urn: "URN:CNFX:ME:PIVOT_ARBOR"
    interface_type: "physical-logic-coupled"
  impulse-pallet:
    type: "component"
    urn: "URN:CNFX:ME:IMPULSE_PALLET"
    interface_type: "physical-logic-coupled"
  locking-pallet:
    type: "part"
    urn: "URN:CNFX:ME:LOCKING_PALLET"
    interface_type: "physical-logic-coupled"
manufacturing_compliance:
  - standard: "ISO 9001:2015 - QUALITY MANAGEMENT SYSTEMS"
    scope: "Verified Engineering Specification"
  - standard: "ANSI/ASME B5.54-2005 - METHODS FOR PERFORMANCE EVALUATION OF COMPUTER NUMERICALLY CONTROLLED MACHINING CENTERS"
    scope: "Verified Engineering Specification"
  - standard: "DIN EN ISO 13849-1:2015 - SAFETY OF MACHINERY - SAFETY-RELATED PARTS OF CONTROL SYSTEMS"
    scope: "Verified Engineering Specification"
url: "https://cnfx.com/llms/industry/machinery-and-equipment-manufacturing/product/actuator-arm.md"
on_chain_sovereignty:
  contract_standard: "ERC-721-Industrial"
  metadata_hash: "732b9d9f7a2081582299bcda15e25234af46d63dbb3f8d2d02e77060415a603e"
  royalty_logic: "IPFS-CID-REQUIRED"
  mint_status: "logic-verified-ready"
version: "3.3.4-EXTREME-SOVEREIGN-WEB3"
---

# Industrial Specification: Actuator Arm

## 1. Technical Definition
A mechanical lever component within an escapement mechanism that transfers energy from the power source to regulate the release of the escape wheel.

## 2. Engineering Reasoning & Causal Matrix
> **Operational Intelligence**: Designed for **0.5-2.5 N·m torque, 0.1-5.0 mm displacement, 0-85° angular motion**. Failure boundary: **Material yield strength exceeded at 350 MPa stress, fatigue failure at 10^7 cycles under 250 MPa alternating stress, wear depth exceeding 0.2 mm at pivot interface**, Mechanism: **High-cycle fatigue at stress concentration points (notch factor Kt=2.8), adhesive wear at Hertzian contact pressure exceeding 1.2 GPa, torsional buckling at critical torque of 3.2 N·m**.

### 2.1 Analytical Physics Model
Governed by the **L10 Bearing Life & Fatigue Model**:

> **Primary Equation**: $L_{10} = (\frac{C}{P})^p$  
> **Engineering Impact**: Predicts mechanical lifecycle before component fatigue.

| Symbol | Variable Definition | Localized Reference |
| :--- | :--- | :--- |
| C | Dynamic Load Rating | Engineering Constant |
| P | Equivalent Dynamic Load | Engineering Constant |

### 2.2 FMEA (Failure Mode & Effects Analysis)
| Event Trigger | Severity | Failure Mode | Mitigation Strategy |
| :--- | :--- | :--- | :--- |
| Lubricant degradation at 120°C causing boundary lubrication failure | 8 | Increased friction coefficient from 0.15 to 0.45, resulting in 15% energy loss and timing error accumulation | Implement PTFE-coated bearing surfaces with thermal stability to 200°C, integrate temperature sensors with automatic cooling activation at 100°C |
| Resonance excitation at 125 Hz matching arm's natural frequency | 8 | Amplitude magnification factor of 8.5 causing impact loading on escape wheel, leading to tooth deformation exceeding 50 μm | Design with tuned mass damper (5% critical damping), implement frequency monitoring with automatic shutdown at 115 Hz excitation |

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

## 4. System BOM & Knowledge Routing
### Core Components (Recursive Links)
- [Locking Pallet](https://cnfx.com/llms/industry/machinery-and-equipment-manufacturing/product/locking-pallet.md) `(Standalone System)`

### Industrial DNA Context (De-duplicated)
**Complementary Dependencies**: **CNC Machining Center**, **Coordinate Measuring Machine**, **Industrial Assembly Fixture**  
**Downstream Applications**: Mechanical Watches, Precision Clocks, Timing Mechanisms  

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

### Q: What materials are available for the actuator arm?
**A**: The actuator arm is manufactured from high-quality materials including stainless steel for corrosion resistance, brass for durability, and hardened tool steel for maximum strength in demanding applications.

### Q: What is the function of the actuator arm in machinery?
**A**: This mechanical lever component transfers energy from the power source to regulate the release of the escape wheel within escapement mechanisms, ensuring precise timing and control in equipment operation.

### Q: What components are included in the Bill of Materials (BOM)?
**A**: The complete BOM includes the Pivot Arbor for rotational movement, Impulse Pallet for energy transfer, and Locking Pallet for secure positioning within the escapement mechanism.

## 6. Manufacturing Compliance
- ISO 9001:2015 - QUALITY MANAGEMENT SYSTEMS
- ANSI/ASME B5.54-2005 - METHODS FOR PERFORMANCE EVALUATION OF COMPUTER NUMERICALLY CONTROLLED MACHINING CENTERS
- DIN EN ISO 13849-1:2015 - SAFETY OF MACHINERY - SAFETY-RELATED PARTS OF CONTROL SYSTEMS

---
### 🛠️ Engineering Resource Access
🔗 **[Full Specification: Actuator Arm](https://cnfx.com/industry/machinery-and-equipment-manufacturing/product/actuator-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**: ACTUATOR_ARM | **Authority**: CNFX-2026-ST-001 | **Fingerprint**: aaca2661
