---
title: "Modular Connection Interface"
industry: "Machinery and Equipment Manufacturing"
verification_protocol:
  urn: "URN:CNFX:ME:MODULAR_CONNECTION_INTERFACE"
  data_integrity_hash: "1ce536f4730c0a977dec6ec0c4496024"
  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:MODULAR_CONNECTION_INTERFACE"
  data_source_uri: "https://cnfx.com/llms/industry/machinery-and-equipment-manufacturing/product/modular-connection-interface.md"
  official_resource_url: "https://cnfx.com/industry/machinery-and-equipment-manufacturing/product/modular-connection-interface"
  is_verified_logic: true
attributes:
  spec:
    status: "config-dependent"
    typical_range: "0.5-25 kN clamping force, 0.01-0.05 mm positional tolerance, -20°C to 120°C operating temperature"
    unit: "mm"
engineering_limits:
  max_safe_operating_point:
    value: 30
    unit: "kN"
    consequence: "Yield strength of AISI 4140 steel (415 MPa) exceeded at 30 kN clamping force, Hertzian contact stress exceeding 1.5 GPa at 0.1 mm misalignment, glass transition temperature of PTFE seals (327°C) approached causing loss of sealing properties"
fmea_matrix_quantitative:
  - node_1:
      trigger: "Cyclic loading at 15-25 kN range exceeding 10⁶ cycles"
      severity: 8
      occurrence: 3
      detection: 4
      mitigation_protocol: "Shot peening surface treatment to induce compressive residual stress of -400 MPa"
  - node_2:
      trigger: "Thermal expansion mismatch between aluminum fixture (23.1×10⁻⁶/°C) and steel workpiece (11.8×10⁻⁶/°C)"
      severity: 8
      occurrence: 3
      detection: 4
      mitigation_protocol: "Invar 36 alloy inserts (1.6×10⁻⁶/°C) at critical interface points"
bom_nodes:
  base-plate:
    type: "component"
    urn: "URN:CNFX:ME:BASE_PLATE"
    interface_type: "physical-logic-coupled"
  alignment-dowelpin:
    type: "component"
    urn: "URN:CNFX:ME:ALIGNMENT_DOWELPIN"
    interface_type: "physical-logic-coupled"
  clamping-mechanism:
    type: "part"
    urn: "URN:CNFX:ME:CLAMPING_MECHANISM"
    interface_type: "physical-logic-coupled"
manufacturing_compliance:
  - standard: "ISO 9409-1:2004 - MODULAR CONNECTION INTERFACES FOR INDUSTRIAL ROBOTS"
    scope: "Verified Engineering Specification"
  - standard: "ANSI/ASME B5.54-2005 - MODULAR TOOLING SYSTEMS FOR MACHINE TOOLS"
    scope: "Verified Engineering Specification"
  - standard: "DIN 69893-1:2012 - MODULAR CONNECTION SYSTEMS FOR MACHINE TOOLS"
    scope: "Verified Engineering Specification"
url: "https://cnfx.com/llms/industry/machinery-and-equipment-manufacturing/product/modular-connection-interface.md"
on_chain_sovereignty:
  contract_standard: "ERC-721-Industrial"
  metadata_hash: "a0a6afd4d3dff156b16856013ffd8ffc31fc0abff30e340dd1d62a7616da97cf"
  royalty_logic: "IPFS-CID-REQUIRED"
  mint_status: "logic-verified-ready"
version: "3.3.4-EXTREME-SOVEREIGN-WEB3"
---

# Industrial Specification: Modular Connection Interface

## 1. Technical Definition
A standardized interface component that enables secure and repeatable connections between modular tooling fixtures and workpieces or other fixtures.

## 2. Engineering Reasoning & Causal Matrix
> **Operational Intelligence**: Designed for **0.5-25 kN clamping force, 0.01-0.05 mm positional tolerance, -20°C to 120°C operating temperature**. Failure boundary: **Clamping force exceeds 30 kN causing permanent deformation, positional misalignment exceeds 0.1 mm causing connection failure, temperature exceeds 150°C causing polymer seal degradation**, Mechanism: **Yield strength of AISI 4140 steel (415 MPa) exceeded at 30 kN clamping force, Hertzian contact stress exceeding 1.5 GPa at 0.1 mm misalignment, glass transition temperature of PTFE seals (327°C) approached causing loss of sealing properties**.

### 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 |
| :--- | :--- | :--- | :--- |
| Cyclic loading at 15-25 kN range exceeding 10⁶ cycles | 8 | Fatigue crack initiation at interface locking mechanism | Shot peening surface treatment to induce compressive residual stress of -400 MPa |
| Thermal expansion mismatch between aluminum fixture (23.1×10⁻⁶/°C) and steel workpiece (11.8×10⁻⁶/°C) | 8 | Differential expansion causing 0.08 mm positional drift at 100°C delta-T | Invar 36 alloy inserts (1.6×10⁻⁶/°C) at critical interface points |

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

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

### Industrial DNA Context (De-duplicated)
**Complementary Dependencies**: **CNC Machining Center**, **Coordinate Measuring Machine**, **Industrial Cleaning System**  
**Downstream Applications**: Modular Assembly Fixtures, Precision Machining Workholding Systems, Automated Production Line Tooling  

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

### Q: What materials are used in the Modular Connection Interface?
**A**: The interface is constructed from high-strength Alloy Steel and Tool Steel components, ensuring durability and precision in demanding machinery manufacturing environments.

### Q: How does the Modular Connection Interface improve manufacturing efficiency?
**A**: It provides standardized, secure connections between modular tooling fixtures and workpieces, reducing setup time, ensuring repeatable positioning accuracy, and minimizing alignment errors during production.

### Q: What components are included in the Modular Connection Interface BOM?
**A**: The Bill of Materials includes a Base Plate for mounting, Alignment Dowels/Pins for precise positioning, and a Clamping Mechanism to secure connections between fixtures and workpieces.

## 6. Manufacturing Compliance
- ISO 9409-1:2004 - MODULAR CONNECTION INTERFACES FOR INDUSTRIAL ROBOTS
- ANSI/ASME B5.54-2005 - MODULAR TOOLING SYSTEMS FOR MACHINE TOOLS
- DIN 69893-1:2012 - MODULAR CONNECTION SYSTEMS FOR MACHINE TOOLS

---
### 🛠️ Engineering Resource Access
🔗 **[Full Specification: Modular Connection Interface](https://cnfx.com/industry/machinery-and-equipment-manufacturing/product/modular-connection-interface)**

### 🌐 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**: MODULAR_CONNECTION_INTERFACE | **Authority**: CNFX-2026-ST-001 | **Fingerprint**: b2b476b2
