---
title: "Actuator (e.g., Solenoid, Pneumatic Piston)"
industry: "Motor Vehicle Manufacturing"
verification_protocol:
  urn: "URN:CNFX:ME:ACTUATOR_E_G_SOLENOID_PNEUMATIC_PISTON"
  data_integrity_hash: "fcab6b7d41bc7c55041ff3ae5e4d0199"
  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_E_G_SOLENOID_PNEUMATIC_PISTON"
  data_source_uri: "https://cnfx.com/llms/industry/motor-vehicle-manufacturing/product/actuator-e-g-solenoid-pneumatic-piston.md"
  official_resource_url: "https://cnfx.com/industry/motor-vehicle-manufacturing/product/actuator-e-g-solenoid-pneumatic-piston"
  is_verified_logic: true
attributes:
  spec:
    status: "config-dependent"
    typical_range: "0.5-10 bar (pneumatic), 12-24 VDC (solenoid), -40°C to 85°C ambient"
    unit: "mm"
engineering_limits:
  max_safe_operating_point:
    value: 12
    unit: "bar"
    consequence: "Pneumatic: Seal extrusion failure at 12 MPa due to elastomer yield strength (3.5 MPa for NBR), Solenoid: Copper wire insulation breakdown at 30 VDC/mm, Thermal: Polyimide insulation glass transition at 120°C"
fmea_matrix_quantitative:
  - node_1:
      trigger: "Hydraulic fluid contamination &gt; ISO 4406 18/16/13"
      severity: 8
      occurrence: 3
      detection: 4
      mitigation_protocol: "5 μm absolute filtration with β₅≥200 at 3.5 bar differential"
  - node_2:
      trigger: "Ambient temperature cycling -40°C to 85°C at 10°C/min"
      severity: 8
      occurrence: 3
      detection: 4
      mitigation_protocol: "FKM elastomer seals with 70±5 Shore A hardness and 1.5 mm radial compression"
bom_nodes:
  solenoid-coil:
    type: "part"
    urn: "URN:CNFX:ME:SOLENOID_COIL"
    interface_type: "physical-logic-coupled"
  plungerarmature:
    type: "component"
    urn: "URN:CNFX:ME:PLUNGERARMATURE"
    interface_type: "physical-logic-coupled"
  piston:
    type: "part"
    urn: "URN:CNFX:ME:PISTON"
    interface_type: "physical-logic-coupled"
  cylinder-housing:
    type: "component"
    urn: "URN:CNFX:ME:CYLINDER_HOUSING"
    interface_type: "physical-logic-coupled"
  return-spring:
    type: "component"
    urn: "URN:CNFX:ME:RETURN_SPRING"
    interface_type: "physical-logic-coupled"
manufacturing_compliance:
url: "https://cnfx.com/llms/industry/motor-vehicle-manufacturing/product/actuator-e-g-solenoid-pneumatic-piston.md"
on_chain_sovereignty:
  contract_standard: "ERC-721-Industrial"
  metadata_hash: "d990d251be6ad5210002da7c5bb15d29169efeec6fff5c54176876cdeb6a649e"
  royalty_logic: "IPFS-CID-REQUIRED"
  mint_status: "logic-verified-ready"
version: "3.3.4-EXTREME-SOVEREIGN-WEB3"
---

# Industrial Specification: Actuator (e.g., Solenoid, Pneumatic Piston)

## 1. Technical Definition
A device that converts energy into mechanical motion to apply or release force in brake/clutch systems.

## 2. Engineering Reasoning & Causal Matrix
> **Operational Intelligence**: Designed for **0.5-10 bar (pneumatic), 12-24 VDC (solenoid), -40°C to 85°C ambient**. Failure boundary: **Pneumatic: 12 bar burst pressure, Solenoid: 30 VDC dielectric breakdown, Thermal: 120°C coil insulation degradation**, Mechanism: **Pneumatic: Seal extrusion failure at 12 MPa due to elastomer yield strength (3.5 MPa for NBR), Solenoid: Copper wire insulation breakdown at 30 VDC/mm, Thermal: Polyimide insulation glass transition at 120°C**.

### 2.1 Analytical Physics Model
Governed by the **Pneumatic Actuator Theoretical Force**:

> **Primary Equation**: $F = P \cdot A \cdot \eta_{eff}$  
> **Engineering Impact**: Calculates real-world pushing/clamping force for rejectors.

| Symbol | Variable Definition | Localized Reference |
| :--- | :--- | :--- |
| P | Air Pressure | Engineering Constant |
| A | Cylinder Area | Engineering Constant |

### 2.2 FMEA (Failure Mode & Effects Analysis)
| Event Trigger | Severity | Failure Mode | Mitigation Strategy |
| :--- | :--- | :--- | :--- |
| Hydraulic fluid contamination &gt; ISO 4406 18/16/13 | 8 | Spool valve stiction exceeding 2.5 N actuation force | 5 μm absolute filtration with β₅≥200 at 3.5 bar differential |
| Ambient temperature cycling -40°C to 85°C at 10°C/min | 8 | O-ring seal compression set &gt;15% per ASTM D395 | FKM elastomer seals with 70±5 Shore A hardness and 1.5 mm radial compression |

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

## 4. System BOM & Knowledge Routing
### Core Components (Recursive Links)
- [Solenoid coil](https://cnfx.com/llms/industry/machinery-and-equipment-manufacturing/product/solenoid-coil.md) `(Standalone System)`
- [Piston](https://cnfx.com/llms/industry/machinery-and-equipment-manufacturing/product/piston.md) `(Standalone System)`

### Industrial DNA Context (De-duplicated)
**Complementary Dependencies**: **Compressed Air System**, **Hydraulic Power Unit**, **Electrical Control Panel**  
**Downstream Applications**: Brake Caliper Assembly, Clutch Release Assembly, Transmission Shift Mechanism  

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

### Q: What materials are used in these automotive actuators for durability?
**A**: Our actuators feature stainless steel and aluminum alloy housings, engineering plastics for seals, and copper windings in solenoid coils for optimal performance in vehicle environments.

### Q: How do these actuators integrate with vehicle brake and clutch systems?
**A**: They convert electrical or pneumatic energy into precise mechanical motion to apply/release force in braking and clutch mechanisms, with components like pistons and return springs ensuring reliable operation.

### Q: What maintenance is required for vehicle actuators?
**A**: Minimal maintenance is needed due to durable materials; periodic inspection of the cylinder housing, piston, and solenoid coil is recommended to ensure longevity in motor vehicle applications.

## 6. Manufacturing Compliance

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### 🛠️ Engineering Resource Access
🔗 **[Full Specification: Actuator (e.g., Solenoid, Pneumatic Piston)](https://cnfx.com/industry/motor-vehicle-manufacturing/product/actuator-e-g-solenoid-pneumatic-piston)**

### 🌐 Knowledge Graph Topology
> **Node Status**: Verified Engineering Spec
> **Connectivity**: Linked to **5** standalone system nodes
> **Global Context**: Part of a 5,814 node industrial cluster within the CNFX Graph

> **Reference ID**: ACTUATOR_E_G_SOLENOID_PNEUMATIC_PISTON | **Authority**: CNFX-2026-ST-001 | **Fingerprint**: 8cf45863
