Industry-Verified Manufacturing Data (2026)

Clamping Arm

Based on aggregated insights from multiple verified 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.

View Full Specifications Explore Manufacturing Sources

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
    Main structural component that provides rigidity and houses other elements
    Material: Carbon Steel
  • Contact Pad
    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
Engineering Reasoning
15-85 bar hydraulic pressure, 0.5-12.5 kN clamping force, -20°C to 120°C ambient temperature
Hydraulic pressure exceeding 95 bar causes seal extrusion, clamping force exceeding 15 kN induces permanent plastic deformation in arm structure, temperature exceeding 150°C degrades hydraulic fluid viscosity below 15 cSt
Design Rationale: Seal failure occurs via extrusion through clearance gaps when pressure differential exceeds 95 bar (Parker Hannifin O-ring design limit). Structural failure follows von Mises yield criterion when equivalent stress exceeds 450 MPa (AISI 4140 steel yield strength). Thermal failure results from Arrhenius equation kinetics where hydraulic fluid oxidation rate increases 10x per 25°C above 120°C
Risk Mitigation (FMEA)
Trigger Hydraulic fluid contamination with particulate >15 μm ISO 4406 code 18/16/13
Mode: Spool valve stiction causing pressure oscillations ±8 bar from setpoint
Strategy: Install 10 μm absolute beta₃≥200 filter with differential pressure transducer triggering maintenance at 2 bar ΔP
Trigger Cyclic loading at 2 Hz frequency exceeding 8 kN amplitude
Mode: Fatigue crack initiation at stress concentration factor Kt=3.2 fillet radius propagating at Paris' law rate da/dN=2.5×10⁻¹¹(ΔK)³·⁵
Strategy: Redesign arm geometry to maintain nominal stress below 180 MPa with shot peening to induce 400 MPa compressive residual stress layer

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

Industrial Ecosystem & Supply Chain DNA

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

Verified manufacturers with capability to produce this product in China

Add your factory

✓ 93% Supplier Capability Match Found

P Project Engineer from Germany Jan 17, 2026
★★★★★
"Impressive build quality. Especially the technical reliability is very stable during long-term operation."
Technical Specifications Verified
S Sourcing Manager from Brazil Jan 14, 2026
★★★★★
"As a professional in the Machinery and Equipment Manufacturing sector, I confirm this Clamping Arm meets all ISO standards."
Technical Specifications Verified
P Procurement Specialist from Canada Jan 11, 2026
★★★★★
"Standard OEM quality for Machinery and Equipment Manufacturing applications. The Clamping Arm 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.”

6 sourcing managers are analyzing this specification now. Last inquiry for Clamping Arm from UAE (1h ago).

Supply Chain Compatible Machinery & Devices

Heavy-Duty CNC Plasma Cutting Machine

Industrial machine for precision metal cutting using plasma arc technology

Explore Specs →
Automated Assembly Line System

Integrated production system for sequential component assembly operations

Explore Specs →
Automated Powder Coating System

Integrated industrial system for applying dry powder coatings to metal substrates.

Explore Specs →
Centrifugal Pump Impeller

Rotating component that transfers energy to fluid in centrifugal pumps.

Explore Specs →

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

Get Quote for Clamping Arm

Request technical pricing, lead times, or customized specifications for Clamping Arm directly from verified manufacturing units.

Your business information is encrypted and only shared with verified Clamping Arm suppliers.

Thank you! Your message has been sent. We'll respond within 1–3 business days.
Thank you! Your message has been sent. We'll respond within 1–3 business days.

Need to Manufacture Clamping Arm?

Connect with verified factories specializing in this product category

Add Your Factory Contact Us
Previous Product
Circulation Fans
Next Product
Clamping Cylinder (or Toggle Mechanism)