Industry-Verified Manufacturing Data (2026)

Workpiece Positioning Fixture

Based on aggregated insights from multiple verified factory profiles within the CNFX directory, the standard Workpiece Positioning Fixture used in the Fabricated Metal Product Manufacturing sector typically supports operational capacities ranging from standard industrial configurations to heavy-duty production requirements.

Technical Definition & Core Assembly

A canonical Workpiece Positioning Fixture is characterized by the integration of Baseplate and Locator Pin. In industrial production environments, manufacturers listed on CNFX commonly emphasize Carbon Steel construction to support stable, high-cycle operation across diverse manufacturing scenarios.

A mechanical device that securely holds and precisely positions workpieces during robotic welding operations.

Product Specifications

Technical details and manufacturing context for Workpiece Positioning Fixture

Definition
A specialized fixture within a Robotic Welding Station designed to accurately locate, clamp, and support metal workpieces in the correct orientation and position for consistent, high-quality automated welding. It ensures repeatable positioning to maintain welding precision and efficiency.
Working Principle
The fixture uses mechanical clamps, locators (pins, stops), and supports to immobilize the workpiece against a reference datum. It interfaces with the robotic welding cell, ensuring the workpiece is presented at the programmed welding coordinates, allowing the robot to execute its weld path accurately on each cycle.
Common Materials
Carbon Steel, Tool Steel
Technical Parameters
  • Fixture baseplate dimensions and positional tolerance of locating features. (mm) Standard Spec
Components / BOM
  • Baseplate
    Provides the rigid foundation and mounting surface for all other fixture components.
    Material: steel
  • Locator Pin
    Precisely positions the workpiece by engaging with pre-drilled holes or edges.
    Material: hardened steel
  • Clamp Arm
    Applies force to hold the workpiece firmly against the locators.
    Material: steel
  • Support Block
    Prevents workpiece deflection or vibration during welding.
    Material: steel
Engineering Reasoning
0.02-0.05 mm positioning accuracy, 500-2000 N clamping force, -20°C to 80°C operating temperature
Clamping force drops below 450 N, positioning error exceeds 0.06 mm, temperature exceeds 85°C
Design Rationale: Thermal expansion of aluminum alloy components (coefficient 23.1×10⁻⁶/°C) causing dimensional instability, wear at clamping interface reducing friction coefficient from 0.4 to below 0.3
Risk Mitigation (FMEA)
Trigger Accumulated particulate contamination (iron oxide, welding spatter) at clamping surfaces
Mode: Progressive loss of clamping force due to reduced friction coefficient
Strategy: Integrated air blast cleaning system with 6 bar pressure, hard chrome plating (50 μm) on clamping surfaces
Trigger Cyclic thermal loading from welding heat input (2-5 kJ/mm)
Mode: Thermal fatigue cracking in fixture mounting points
Strategy: Water-cooled fixture base with 10 L/min flow rate, Inconel 718 thermal barrier inserts

Industry Taxonomies & Aliases

Commonly used trade names and technical identifiers for Workpiece Positioning Fixture.

Applied To / Applications

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

Industrial Ecosystem & Supply Chain DNA

Complementary Systems
Downstream Applications
Specialized Tooling

Application Fit & Sizing Matrix

Operational Limits
pressure: Max clamping force: 5000 N
other spec: Positioning accuracy: ±0.05 mm, Repeatability: ±0.02 mm
temperature: -20°C to 150°C
Media Compatibility
✓ Steel alloys ✓ Aluminum alloys ✓ Stainless steel
Unsuitable: High-vibration environments without damping
Sizing Data Required
  • Workpiece dimensions (LxWxH)
  • Required clamping force
  • Robot reach and mounting interface

Reliability & Engineering Risk Analysis

Failure Mode & Root Cause
Wear and Loosening of Clamping Components
Cause: Repeated clamping cycles and vibration lead to material fatigue, causing wear on jaws, pins, or screws, resulting in reduced clamping force and positional accuracy.
Misalignment and Positioning Drift
Cause: Accumulation of debris, thermal expansion, or improper calibration causes the fixture to lose its precise alignment, leading to inconsistent workpiece positioning.
Maintenance Indicators
  • Visible play or wobble in the fixture when unclamped, indicating worn components.
  • Audible grinding or scraping noises during clamping, signaling debris buildup or misalignment.
Engineering Tips
  • Implement a regular cleaning and lubrication schedule to prevent debris accumulation and reduce wear on moving parts.
  • Use precision alignment tools and perform periodic calibration checks to maintain positioning accuracy and detect drift early.

Compliance & Manufacturing Standards

Reference Standards
ISO 9001:2015 Quality Management Systems ANSI B5.54-2005 Machine Tools - Workholding Fixtures DIN 6325-1 Cylindrical Workpiece Clamping Fixtures
Manufacturing Precision
  • Positional Accuracy: +/-0.01mm
  • Surface Flatness: 0.05mm per 100mm
Quality Inspection
  • Coordinate Measuring Machine (CMM) Verification
  • Hardness Testing (Rockwell C Scale)

Factories Producing Workpiece Positioning Fixture

Verified manufacturers with capability to produce this product in China

✓ 95% Supplier Capability Match Found

P Project Engineer from Brazil Jan 05, 2026
★★★★★
"Impressive build quality. Especially the technical reliability is very stable during long-term operation."
Technical Specifications Verified
S Sourcing Manager from Canada Jan 02, 2026
★★★★★
"As a professional in the Fabricated Metal Product Manufacturing sector, I confirm this Workpiece Positioning Fixture meets all ISO standards."
Technical Specifications Verified
P Procurement Specialist from United States Dec 30, 2025
★★★★★
"Standard OEM quality for Fabricated Metal Product Manufacturing applications. The Workpiece Positioning Fixture arrived with full certification."
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.”

5 sourcing managers are analyzing this specification now. Last inquiry for Workpiece Positioning Fixture from Brazil (15m ago).

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Frequently Asked Questions

What materials are used in this workpiece positioning fixture?

This fixture is constructed from durable carbon steel and tool steel components, including the baseplate, locator pins, clamp arms, and support blocks, ensuring longevity and precision in demanding metal fabrication environments.

How does this fixture improve robotic welding operations?

The fixture securely holds and precisely positions workpieces using locator pins and clamp arms, eliminating movement during welding. This ensures consistent weld quality, reduces rework, and increases throughput in automated welding cells.

What are the main components of this positioning fixture?

Key components include a sturdy baseplate for mounting, precision locator pins for accurate positioning, adjustable clamp arms for secure holding, and support blocks for stability. This BOM ensures reliable performance in metal product manufacturing.

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.

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