Industry-Verified Manufacturing Data (2026)

Workpiece Fixture

Based on aggregated insights from multiple verified factory profiles within the CNFX directory, the standard Workpiece Fixture 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 Workpiece Fixture is characterized by the integration of Base Plate and Locating Pins. In industrial production environments, manufacturers listed on CNFX commonly emphasize Steel construction to support stable, high-cycle operation across diverse manufacturing scenarios.

A mechanical device used to securely hold and position a workpiece during manufacturing operations

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Product Specifications

Technical details and manufacturing context for Workpiece Fixture

Definition
A workpiece fixture is a critical component within industrial systems that provides precise, stable, and repeatable positioning of workpieces during machining, assembly, inspection, or other manufacturing processes. It ensures the workpiece remains stationary and properly oriented relative to tools or measurement devices, enabling accurate and efficient operations while maintaining safety standards.
Working Principle
The workpiece fixture operates by applying mechanical clamping forces through various mechanisms (such as hydraulic, pneumatic, or manual systems) to securely hold the workpiece against locating surfaces. These locating surfaces establish the reference position and orientation of the workpiece within the coordinate system of the industrial equipment. The fixture typically incorporates adjustable elements to accommodate different workpiece sizes and shapes while maintaining precise alignment.
Common Materials
Steel, Aluminum Alloy
Technical Parameters
  • Maximum workpiece holding capacity dimension (mm) Per Request
Components / BOM
  • Base Plate
    Provides the foundation and mounting surface for all fixture components
    Material: Steel or Cast Iron
  • Locating Pins
    Establish precise reference points for workpiece positioning
    Material: Hardened Steel
  • Clamping Mechanism
    Applies force to secure the workpiece against locating surfaces
    Material: Steel with wear-resistant surfaces
  • Quick-Change Adapter Optional
    Enables rapid fixture changeover between different workpieces
    Material: Precision-machined Steel
Engineering Reasoning
0.5-25 kN clamping force, 0.01-0.1 mm positioning accuracy, -20°C to 150°C temperature range
Clamping force exceeds 30 kN causing permanent deformation, positioning error exceeds 0.15 mm, temperature exceeds 200°C causing thermal expansion beyond 0.2%
Design Rationale: Plastic deformation at yield strength (typically 250-400 MPa for steel fixtures), thermal expansion coefficient mismatch (α=11.7×10⁻⁶/°C for steel vs α=23×10⁻⁶/°C for aluminum workpiece), fatigue failure at stress concentration points (notch factor Kt=2.5-4.0)
Risk Mitigation (FMEA)
Trigger Cyclic loading at 10⁶ cycles exceeding 50% of yield strength
Mode: Fatigue crack propagation at fixture base mounting holes
Strategy: Design with fillet radii R≥3t (t=material thickness), shot peening to induce compressive residual stress of 400-600 MPa
Trigger Thermal gradient of 100°C across fixture-workpiece interface
Mode: Differential thermal expansion causing 0.3 mm positional drift
Strategy: Material matching with thermal expansion coefficient difference Δα≤5×10⁻⁶/°C, active thermal compensation using Peltier elements with 0.1°C control accuracy

Industry Taxonomies & Aliases

Commonly used trade names and technical identifiers for Workpiece Fixture.

Workholding Fixture Jig heavy-duty workpiece clamping fixture quick-change workpiece positioning device steel aluminum alloy workholding fixture machinery manufacturing workpiece holder precision workpiece locating fixture

Applied To / Applications

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

Electromagnetic Induction Heater
View system integration details
Surface Finishing Station
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Industrial Ecosystem & Supply Chain DNA

Complementary Systems
Downstream Applications
Specialized Tooling

Application Fit & Sizing Matrix

Operational Limits
pressure: 0 to 500 psi
other spec: Workpiece weight capacity: 0.5 to 500 kg
temperature: -20°C to 150°C
Media Compatibility
✓ Metals (steel, aluminum, titanium) ✓ Plastics (ABS, polycarbonate, nylon) ✓ Composites (carbon fiber, fiberglass)
Unsuitable: Highly corrosive chemical baths (e.g., strong acids like hydrochloric or sulfuric acid)
Sizing Data Required
  • Workpiece dimensions (length, width, height)
  • Workpiece weight and center of gravity
  • Required clamping force and positioning accuracy

Reliability & Engineering Risk Analysis

Failure Mode & Root Cause
Clamping Force Degradation
Cause: Wear in clamping mechanisms (e.g., worn jaws, hydraulic/pneumatic seal leaks), thermal expansion/contraction cycles, or material fatigue from repeated loading/unloading.
Misalignment or Positioning Drift
Cause: Accumulated debris on locating surfaces, loose fasteners/bushings, or structural deformation from over-torquing or impact loads.
Maintenance Indicators
  • Visible workpiece slippage or inconsistent machining results (e.g., out-of-tolerance dimensions)
  • Unusual noises (e.g., grinding, clicking) during clamping/unclamping cycles
Engineering Tips
  • Implement regular torque checks and alignment verification using precision instruments (e.g., dial indicators, laser alignment tools).
  • Establish a cleaning and lubrication schedule for moving parts, and use protective covers to minimize contamination from chips/coolants.

Compliance & Manufacturing Standards

Reference Standards
ISO 9001:2015 - Quality management systems ANSI B5.54-2005 - Methods for performance evaluation of computer numerically controlled machining centers DIN 69893-1:2012 - Tool holders for machine tools - Shanks and receiving bores for tool holders with cylindrical shank
Manufacturing Precision
  • Flatness: 0.05mm per 300mm
  • Bore diameter: H7 tolerance (+0.000mm/+0.025mm)
Quality Inspection
  • Coordinate Measuring Machine (CMM) verification of critical dimensions
  • Surface roughness measurement using profilometer

Factories Producing Workpiece Fixture

Verified manufacturers with capability to produce this product in China

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✓ 98% Supplier Capability Match Found

P Project Engineer from Singapore Jan 01, 2026
★★★★★
"Found 49+ suppliers for Workpiece Fixture on CNFX, but this spec remains the most cost-effective."
Technical Specifications Verified
S Sourcing Manager from Germany Dec 29, 2025
★★★★★
"The technical documentation for this Workpiece Fixture is very thorough, especially regarding technical reliability."
Technical Specifications Verified
P Procurement Specialist from Brazil Dec 26, 2025
★★★★★
"Reliable performance in harsh Machinery and Equipment Manufacturing environments. No issues with the Workpiece Fixture so far."
Technical Specifications Verified
Verification Protocol

“Feedback is collected from verified sourcing managers during RFQ (Request for Quote) and factory evaluation processes on CNFX. These reports represent historical performance data and technical audit summaries from our B2B manufacturing network.”

7 sourcing managers are analyzing this specification now. Last inquiry for Workpiece Fixture from Thailand (1h ago).

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Frequently Asked Questions

What materials are used in this workpiece fixture?

This workpiece fixture is constructed from high-grade steel and aluminum alloy, providing optimal durability and precision for industrial manufacturing applications.

How does the quick-change adapter improve manufacturing efficiency?

The quick-change adapter allows operators to rapidly switch between different workpiece setups without extensive recalibration, significantly reducing downtime and increasing production throughput.

What types of manufacturing operations is this fixture suitable for?

This workpiece fixture is designed for various machining operations including milling, drilling, grinding, and assembly processes in machinery and equipment manufacturing environments.

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 Specifications verified by CNFX Industrial Index (v2.6.03) for Machinery and Equipment Manufacturing sector.

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