Structured Manufacturing Data (2026)

Modular Connection Interface

Based on aggregated insights from structured factory profiles within the CNFX directory, the standard Modular Connection Interface used in the Machinery and Equipment Manufacturing sector typically supports operational capacities ranging from standard industrial configurations to heavy-duty production requirements.

Technical Definition & Core Assembly

A canonical Modular Connection Interface is characterized by the integration of Base Plate and Alignment Dowel/Pin. In industrial production environments, manufacturers listed on CNFX commonly emphasize Alloy Steel construction to support stable, high-cycle operation across diverse manufacturing scenarios.

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

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Product Specifications

Technical details and manufacturing context for Modular Connection Interface

Definition
The Modular Connection Interface is a critical component within Modular Tooling Fixtures systems, designed to provide a precise, rigid, and reliable connection point. It serves as the standardized mating surface that allows for the quick assembly, disassembly, and reconfiguration of modular tooling setups, such as jigs, fixtures, and clamping systems, ensuring accurate alignment and positioning in manufacturing processes.
Working Principle
The interface typically employs a combination of mechanical features like tapered pins, dowels, or precisely machined surfaces for alignment, along with a clamping mechanism (e.g., hydraulic, pneumatic, or manual clamps, bolts, or quick-release levers) to secure the connection. It ensures zero-play mating by eliminating gaps between connected modules, transferring forces effectively, and maintaining positional accuracy under load.
Common Materials
Alloy Steel, Tool Steel
Technical Parameters
  • Interface grid pattern or bolt circle diameter defining the standard connection layout. (mm) Standard Spec
Components / BOM
  • Base Plate Part
    Provides the primary mounting surface with a standardized grid of threaded or precision-bored holes.
    Material: Alloy Steel
  • Alignment Dowel/Pin Part
    Ensures precise radial and angular alignment between connected modules before clamping.
    Material: Hardened Tool Steel
  • Clamping Mechanism
    Applies force to lock the connected module securely against the base plate, eliminating play.
    Material: Steel

Industry Taxonomies & Aliases

Commonly used trade names and technical identifiers for Modular Connection Interface.

modular tooling connection interface standardized fixture interface component machinery equipment modular connection alloy steel clamping mechanism interface repeatable workpiece connection system

Applied To / Applications

This component is essential for the following industrial systems and equipment:

Modular Tooling Fixtures
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Industrial Ecosystem & Supply Chain Structure

Complementary Systems
Downstream Applications
Specialized Tooling

Application Fit & Sizing Matrix

Operational Limits
pressure: 0 to 10 bar
other spec: Max flow rate: 50 L/min, Max slurry concentration: 15% solids by weight
temperature: -40°C to 150°C
Media Compatibility
✓ Hydraulic fluids (e.g., HLP 46) ✓ Coolants (water-based) ✓ Compressed air (dry, filtered)
Unsuitable: Highly corrosive chemicals (e.g., concentrated acids, strong oxidizers)
Sizing Data Required
  • Workpiece/fixture connection diameter (mm)
  • Required connection force (N)
  • Operating cycle frequency (cycles/hour)

Reliability & Engineering Risk Analysis

Failure Mode & Root Cause
Contact degradation
Cause: Oxidation, fretting corrosion, or contamination buildup on electrical/mechanical contact surfaces due to environmental exposure, vibration, or improper sealing
Mechanical disengagement
Cause: Wear on locking mechanisms, fatigue failure of retention features, or plastic deformation from repeated mating cycles or over-torquing during installation
Maintenance Indicators
  • Intermittent signal loss or increased electrical resistance readings during routine testing
  • Visible corrosion, debris accumulation at interface, or audible clicking/looseness when manually checking connection security
Engineering Tips
  • Implement regular cleaning and application of appropriate contact lubricants/protectants compatible with the operating environment
  • Establish torque-controlled installation procedures and periodic inspection schedules for locking mechanisms and alignment features

Compliance & Manufacturing Standards

Reference Standards
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
Manufacturing Precision
  • Bore diameter: +/-0.01mm
  • Flatness of mounting surface: 0.02mm
Quality Inspection
  • Dimensional verification with coordinate measuring machine (CMM)
  • Hardness testing using Rockwell or Brinell methods

Factories Producing Modular Connection Interface

Manufacturer profiles with relevant production capability in China

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Manufacturer listings support early research and capability understanding. They are not certification, ranking, or transaction guarantees.

Technical documentation
4/5
Manufacturing capability
4/5
Inspection readiness
5/5
Supplier transparency
3/5

These scores are example evaluation dimensions, not real customer ratings, country-specific buyer feedback, or live inquiry activity.

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Frequently Asked Questions

What materials are used in the Modular Connection Interface?

The interface is constructed from high-strength Alloy Steel and Tool Steel components, ensuring durability and precision in demanding machinery manufacturing environments.

How does the Modular Connection Interface improve manufacturing efficiency?

It provides standardized, secure connections between modular tooling fixtures and workpieces, reducing setup time, ensuring repeatable positioning accuracy, and minimizing alignment errors during production.

What components are included in the Modular Connection Interface BOM?

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.

Can I contact factories directly on CNFX?

CNFX is an open directory, not a transaction platform. Each factory profile provides direct contact information and production details to help you initiate direct inquiries with Chinese suppliers.

Data basis: CNFX manufacturer profiles, technical classification, publicly available product information, and ongoing plausibility checks for Machinery and Equipment Manufacturing.

Data Basis

CNFX manufacturer profiles, technical classification, publicly available product information, and ongoing plausibility checks.

Preliminary Technical Classification
This page supports structured research, RFQ preparation, and supplier evaluation. It does not replace buyer-led supplier qualification, standards review, or technical approval.

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