---
title: "Actuator (e.g., Hydraulic Piston, Wedge)"
industry: "Machinery and Equipment Manufacturing"
verification_protocol:
  urn: "URN:CNFX:ME:ACTUATOR_E_G_HYDRAULIC_PISTON_WEDGE"
  data_integrity_hash: "108ca1856626fcefa5adce436d171c32"
  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_HYDRAULIC_PISTON_WEDGE"
  data_source_uri: "https://cnfx.com/llms/industry/machinery-and-equipment-manufacturing/product/actuator-e-g-hydraulic-piston-wedge.md"
  official_resource_url: "https://cnfx.com/industry/machinery-and-equipment-manufacturing/product/actuator-e-g-hydraulic-piston-wedge"
  is_verified_logic: true
attributes:
  spec:
    status: "config-dependent"
    typical_range: "5-210 bar hydraulic pressure, 0.1-2.0 m/s linear velocity, -20°C to 120°C ambient temperature"
    unit: "mm"
engineering_limits:
  max_safe_operating_point:
    value: 250
    unit: "bar"
    consequence: "Seal extrusion failure due to excessive pressure differential exceeding material yield strength (Young's modulus 5-15 MPa for polyurethane), boundary lubrication breakdown at Reynolds number &gt;2300 causing metal-to-metal contact"
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 3 μm absolute filtration with differential pressure monitoring at 0.8 bar threshold"
  - node_2:
      trigger: "Piston rod misalignment exceeding 0.05 mm/m perpendicularity tolerance"
      severity: 8
      occurrence: 3
      detection: 4
      mitigation_protocol: "Integrate laser alignment verification during assembly with 0.01 mm resolution"
bom_nodes:
  piston-rod:
    type: "component"
    urn: "URN:CNFX:ME:PISTON_ROD"
    interface_type: "physical-logic-coupled"
  cylinder-housing:
    type: "component"
    urn: "URN:CNFX:ME:CYLINDER_HOUSING"
    interface_type: "physical-logic-coupled"
  seals:
    type: "component"
    urn: "URN:CNFX:ME:SEALS"
    interface_type: "physical-logic-coupled"
  wedge-surface:
    type: "component"
    urn: "URN:CNFX:ME:WEDGE_SURFACE"
    interface_type: "physical-logic-coupled"
manufacturing_compliance:
url: "https://cnfx.com/llms/industry/machinery-and-equipment-manufacturing/product/actuator-e-g-hydraulic-piston-wedge.md"
on_chain_sovereignty:
  contract_standard: "ERC-721-Industrial"
  metadata_hash: "a06ec2ddc41f4188cac91548d5616924c1190b5f8d0679be7ceb797cdc33fec5"
  royalty_logic: "IPFS-CID-REQUIRED"
  mint_status: "logic-verified-ready"
version: "3.3.4-EXTREME-SOVEREIGN-WEB3"
---

# Industrial Specification: Actuator (e.g., Hydraulic Piston, Wedge)

## 1. Technical Definition
A mechanical component that converts energy into motion to apply clamping force in tool clamping systems.

## 2. Engineering Reasoning & Causal Matrix
> **Operational Intelligence**: Designed for **5-210 bar hydraulic pressure, 0.1-2.0 m/s linear velocity, -20°C to 120°C ambient temperature**. Failure boundary: **Seal failure at 250 bar hydraulic pressure, piston scoring at 2.5 m/s velocity, thermal degradation at 150°C**, Mechanism: **Seal extrusion failure due to excessive pressure differential exceeding material yield strength (Young's modulus 5-15 MPa for polyurethane), boundary lubrication breakdown at Reynolds number &gt;2300 causing metal-to-metal contact**.

### 2.1 Analytical Physics Model
Governed by the **Thin-Wall Pressure Vessel Stress Analysis**:

> **Primary Equation**: $\sigma_h = \frac{P \cdot D}{2t}$  
> **Engineering Impact**: Determines the hoop stress boundary to prevent rupture.

| Symbol | Variable Definition | Localized Reference |
| :--- | :--- | :--- |
| P | Internal Pressure | Engineering Constant |
| D | Diameter | Engineering Constant |
| t | Wall Thickness | 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 | Spool valve stiction causing 500 ms response delay | Install 3 μm absolute filtration with differential pressure monitoring at 0.8 bar threshold |
| Piston rod misalignment exceeding 0.05 mm/m perpendicularity tolerance | 8 | Asymmetric seal wear leading to 15% force degradation within 1000 cycles | Integrate laser alignment verification during assembly with 0.01 mm resolution |

## 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 Machining Center**, **Coordinate Measuring Machine**  
**Downstream Applications**: Machine Tool Spindles, Industrial Presses, Automated Assembly Systems  

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

### Q: What materials are used in these actuators for durability?
**A**: Our actuators are constructed from high-grade steel, aluminum alloy, and hardened tool steel components to withstand industrial environments and provide long-lasting performance in tool clamping applications.

### Q: How does the wedge mechanism improve clamping force?
**A**: The wedge surface design amplifies hydraulic pressure to generate superior clamping force with minimal energy input, ensuring secure tool holding in machining operations while reducing system wear.

### Q: What maintenance do the seals and piston rods require?
**A**: High-quality seals and precision-ground piston rods require minimal maintenance. Regular inspection for wear and proper lubrication ensures optimal performance and prevents fluid leakage in hydraulic systems.

## 6. Manufacturing Compliance

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### 🛠️ Engineering Resource Access
🔗 **[Full Specification: Actuator (e.g., Hydraulic Piston, Wedge)](https://cnfx.com/industry/machinery-and-equipment-manufacturing/product/actuator-e-g-hydraulic-piston-wedge)**

### 🌐 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**: ACTUATOR_E_G_HYDRAULIC_PISTON_WEDGE | **Authority**: CNFX-2026-ST-001 | **Fingerprint**: c9204a9f
