---
title: "Interlock Mechanism"
industry: "Machinery and Equipment Manufacturing"
verification_protocol:
  urn: "URN:CNFX:ME:INTERLOCK_MECHANISM"
  data_integrity_hash: "22cee7d9f5fa21982cef6e23a8bf1771"
  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:INTERLOCK_MECHANISM"
  data_source_uri: "https://cnfx.com/llms/industry/machinery-and-equipment-manufacturing/product/interlock-mechanism.md"
  official_resource_url: "https://cnfx.com/industry/machinery-and-equipment-manufacturing/product/interlock-mechanism"
  is_verified_logic: true
attributes:
  spec:
    status: "config-dependent"
    typical_range: "0.5-2.5 mm actuator displacement, 24 VDC ±10% control voltage, -20°C to +85°C ambient temperature"
    unit: "N/A"
engineering_limits:
  max_safe_operating_point:
    value: 0.1
    unit: "mm"
    consequence: "Fretting corrosion at electrical contacts due to micro-motion under vibration &gt;5 g RMS, thermal expansion mismatch between stainless steel (17.3 μm/m·K) and aluminum (23.1 μm/m·K) components"
fmea_matrix_quantitative:
  - node_1:
      trigger: "Electromagnetic interference from adjacent 480 VAC motor starters inducing &gt;100 V transients in control wiring"
      severity: 8
      occurrence: 3
      detection: 4
      mitigation_protocol: "Shielded twisted-pair cabling with ferrite cores, optical isolation using 4N35 optocouplers in signal path"
  - node_2:
      trigger: "Accumulated particulate contamination (ISO 4406 Class 18/16/13) in pneumatic actuator"
      severity: 8
      occurrence: 3
      detection: 4
      mitigation_protocol: "IP67-rated enclosure with HEPA filtration, dry nitrogen purge at 0.2 bar positive pressure"
bom_nodes:
  locking-bolt-latch:
    type: "component"
    urn: "URN:CNFX:ME:LOCKING_BOLT_LATCH"
    interface_type: "physical-logic-coupled"
  actuator-mechanical-or-pneumatic:
    type: "part"
    urn: "URN:CNFX:ME:ACTUATOR_MECHANICAL_OR_PNEUMATIC"
    interface_type: "physical-logic-coupled"
  position-sensor:
    type: "part"
    urn: "URN:CNFX:ME:POSITION_SENSOR"
    interface_type: "physical-logic-coupled"
  control-interface:
    type: "part"
    urn: "URN:CNFX:ME:CONTROL_INTERFACE"
    interface_type: "physical-logic-coupled"
manufacturing_compliance:
  - standard: "CE MARKING (MACHINERY DIRECTIVE 2006/42/EC)"
    scope: "Verified Engineering Specification"
url: "https://cnfx.com/llms/industry/machinery-and-equipment-manufacturing/product/interlock-mechanism.md"
on_chain_sovereignty:
  contract_standard: "ERC-721-Industrial"
  metadata_hash: "ca6cb59e3f31316ed6897d0388b1969f015a457e6359c38f8bda2fbe2a6b8082"
  royalty_logic: "IPFS-CID-REQUIRED"
  mint_status: "logic-verified-ready"
version: "3.3.4-EXTREME-SOVEREIGN-WEB3"
---

# Industrial Specification: Interlock Mechanism

## 1. Technical Definition
A safety and control device that prevents simultaneous operation of incompatible functions in a Rapid Transfer Port (RTP).

## 2. Engineering Reasoning & Causal Matrix
> **Operational Intelligence**: Designed for **0.5-2.5 mm actuator displacement, 24 VDC ±10% control voltage, -20°C to +85°C ambient temperature**. Failure boundary: **Mechanical wear exceeding 0.1 mm clearance tolerance, electrical contact resistance &gt;50 mΩ, solenoid coil temperature &gt;105°C**, Mechanism: **Fretting corrosion at electrical contacts due to micro-motion under vibration &gt;5 g RMS, thermal expansion mismatch between stainless steel (17.3 μm/m·K) and aluminum (23.1 μm/m·K) components**.

### 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 |
| :--- | :--- | :--- | :--- |
| Electromagnetic interference from adjacent 480 VAC motor starters inducing &gt;100 V transients in control wiring | 8 | Solid-state relay latch-up causing permanent 'engaged' state | Shielded twisted-pair cabling with ferrite cores, optical isolation using 4N35 optocouplers in signal path |
| Accumulated particulate contamination (ISO 4406 Class 18/16/13) in pneumatic actuator | 8 | Stiction exceeding 0.8 N·m breakaway torque requirement | IP67-rated enclosure with HEPA filtration, dry nitrogen purge at 0.2 bar positive pressure |

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

## 4. System BOM & Knowledge Routing
### Core Components (Recursive Links)
- [Actuator (Mechanical or Pneumatic)](https://cnfx.com/llms/industry/machinery-and-equipment-manufacturing/product/actuator-mechanical-or-pneumatic.md) `(Standalone System)`
- [Position Sensor](https://cnfx.com/llms/industry/machinery-and-equipment-manufacturing/product/position-sensor.md) `(Standalone System)`
- [Control Interface](https://cnfx.com/llms/industry/machinery-and-equipment-manufacturing/product/control-interface.md) `(Standalone System)`

### Industrial DNA Context (De-duplicated)
**Complementary Dependencies**: **Rapid Transfer Port (RTP)**, **Programmable Logic Controller (PLC)**, **Safety Light Curtain**  
**Downstream Applications**: Pharmaceutical Isolators, Biocontainment Systems, Semiconductor Processing Equipment  

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

### Q: What materials are used in this interlock mechanism?
**A**: This interlock mechanism is constructed from high-grade materials including Stainless Steel (316L) for corrosion resistance and Hardened Alloy Steel for durability in industrial environments.

### Q: How does this interlock mechanism enhance safety in Rapid Transfer Ports?
**A**: The mechanism prevents simultaneous operation of incompatible functions in RTP systems, ensuring only one operation can occur at a time to eliminate hazardous conditions and maintain process integrity.

### Q: What components are included in the Bill of Materials (BOM)?
**A**: The BOM includes an Actuator (Mechanical or Pneumatic), Control Interface, Locking Bolt/Latch, and Position Sensor, providing comprehensive safety control for machinery applications.

## 6. Manufacturing Compliance
- CE MARKING (MACHINERY DIRECTIVE 2006/42/EC)

---
### 🛠️ Engineering Resource Access
🔗 **[Full Specification: Interlock Mechanism](https://cnfx.com/industry/machinery-and-equipment-manufacturing/product/interlock-mechanism)**

### 🌐 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**: INTERLOCK_MECHANISM | **Authority**: CNFX-2026-ST-001 | **Fingerprint**: 1bfd4d08
