Structured Manufacturing Data (2026)

Clamping Arm

Based on aggregated insights from structured factory profiles within the CNFX directory, the standard Clamping Arm 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 Clamping Arm is characterized by the integration of Arm Body and Contact Pad. 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 arm component of a positioning fixture that applies controlled clamping force to secure workpieces during manufacturing operations.

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Product Specifications

Technical details and manufacturing context for Clamping Arm

Definition
The clamping arm is a critical component of the Case Positioning Fixture, designed to securely hold and position cases or workpieces during assembly, machining, or inspection processes. It provides precise, repeatable clamping force to prevent movement while allowing for quick release and repositioning as needed in industrial manufacturing environments.
Working Principle
The clamping arm operates through mechanical, pneumatic, or hydraulic actuation to apply controlled force to the workpiece. When activated, the arm moves into position and exerts pressure through its contact surface, securely holding the case in place against the fixture's reference points. Release mechanisms allow for quick disengagement when the operation is complete.
Common Materials
Carbon Steel, Stainless Steel
Technical Parameters
  • Clamping force range and arm length specifications (mm) Standard Spec
Components / BOM
  • Arm Body Part
    Main structural component that provides rigidity and houses other elements
    Material: Carbon Steel
  • Contact Pad Part
    Interface surface that makes direct contact with the workpiece to distribute clamping force
    Material: Polyurethane or Rubber
  • Pivot Mechanism
    Allows rotational movement of the arm for positioning and clamping
    Material: Stainless Steel
  • Actuator Interface
    Connection point for pneumatic, hydraulic, or electric actuation systems
    Material: Aluminum or Steel

Industry Taxonomies & Aliases

Commonly used trade names and technical identifiers for Clamping Arm.

heavy duty clamping arm for machinery carbon steel positioning fixture arm stainless steel workpiece clamping component mechanical arm for manufacturing fixtures industrial pivot mechanism clamping arm

Applied To / Applications

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

Case Positioning Fixture
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Clamping Units
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Clamping Fixture
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Mirror Clamping Mechanism
View system integration details

Industrial Ecosystem & Supply Chain Structure

Complementary Systems
Downstream Applications
Specialized Tooling

Application Fit & Sizing Matrix

Operational Limits
pressure: Up to 10 MPa clamping force
other spec: Maximum workpiece weight: 500 kg, Repeatability: ±0.05 mm
temperature: -20°C to 150°C
Media Compatibility
✓ Metallic workpieces (steel, aluminum) ✓ Composite materials ✓ Plastic components
Unsuitable: Corrosive chemical environments without protective coating
Sizing Data Required
  • Workpiece dimensions and weight
  • Required clamping force (N)
  • Fixture mounting interface specifications

Reliability & Engineering Risk Analysis

Failure Mode & Root Cause
Fatigue cracking
Cause: Cyclic loading from repeated clamping operations leading to stress concentration at weld joints or material transitions
Hydraulic seal degradation
Cause: Contamination in hydraulic fluid causing seal abrasion, or thermal degradation from excessive operating temperatures
Maintenance Indicators
  • Irregular or jerky movement during clamping cycles indicating hydraulic fluid contamination or cylinder wear
  • Visible fluid leaks at hydraulic connections or cylinder seals, especially during pressure application
Engineering Tips
  • Implement regular hydraulic fluid analysis and filtration maintenance to prevent contamination-induced wear
  • Establish torque verification procedures for clamping force calibration to prevent overloading and ensure consistent operation

Compliance & Manufacturing Standards

Reference Standards
ISO 9001:2015 - Quality management systems ANSI B11.19 - Performance requirements for safeguarding CE Marking - Machinery Directive 2006/42/EC
Manufacturing Precision
  • Bore diameter: +/-0.02mm
  • Parallelism of clamping surfaces: 0.05mm
Quality Inspection
  • Hardness testing (Rockwell C scale)
  • Dimensional verification with CMM

Factories Producing Clamping Arm

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 available for this clamping arm?

This clamping arm is available in carbon steel for general industrial use and stainless steel for applications requiring corrosion resistance or cleanroom compatibility.

How does the clamping arm secure workpieces during manufacturing?

The clamping arm uses a pivot mechanism and actuator interface to apply controlled clamping force, holding workpieces firmly in place within positioning fixtures during machining or assembly operations.

What are the main components of this clamping arm assembly?

The clamping arm consists of four key components: the arm body, contact pad for workpiece interface, pivot mechanism for movement, and actuator interface for force application control.

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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