Electrode Holder (Clamp): Temperature Range -20°C to 200°C

Component Specifications

Definition

A precision mechanical clamping device designed to securely hold and position welding electrodes or EDM electrodes during operation. It ensures stable electrical contact, proper alignment, and efficient heat dissipation while allowing quick electrode changes. The clamp maintains consistent pressure to prevent arcing, slippage, or misalignment during high-current applications.

Working Principle

Operates through mechanical leverage (often via screw, spring, or cam mechanisms) to apply controlled clamping force on the electrode. This creates a secure electrical connection while allowing for thermal expansion and vibration damping. The design ensures minimal resistance at the contact point for efficient current transfer.

Materials

Copper alloy (typically C11000 or C17200) for conductivity, with stainless steel (304 or 316) for structural components. Insulation parts use ceramic or high-temperature polymer. Contact surfaces may have silver plating for enhanced conductivity.

Technical Parameters

Parameter	Typical range	Notes & selection driver
Clamping Force	50-200 N
Temperature Range	-20°C to 200°C
Contact Resistance	< 0.5 mΩ
Max Current Rating	600 A
Insulation Resistance	> 100 MΩ
Electrode Diameter Range	1.6-6.0 mm

Ranges are indicative industry figures for RFQ preparation, not a supplier commitment. Confirm every value and standard with the legal manufacturer before ordering.

Standards

ISO 5821, ISO 5828, DIN 43125

Parent Products

This component is used in the following industrial products

Electrode Arm & Holder

A structural assembly that positions, supports, and conducts electrical current to the electrodes in an electric arc furnace.

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Engineering Analysis

Risks & Mitigation

Electrical arcing due to poor contact
Overheating from insufficient clamping force
Electrode slippage during operation
Material degradation at high temperatures

FMEA Triads

Trigger: Worn contact surfaces
Failure: Increased electrical resistance leading to overheating
Mitigation: Regular surface inspection and replacement of worn components

Trigger: Insufficient clamping force
Failure: Electrode slippage during operation
Mitigation: Periodic torque calibration and spring tension verification

Industrial Ecosystem

Compatible With

Typical Suppliers & Equivalents

Compliance & Inspection

Tolerance

±0.1 mm for electrode diameter accommodation, ±5% for clamping force

Test Method

ASTM B667 for electrical contact resistance, ISO 17662 for welding equipment validation

Procurement Evaluation Criteria

A practical evidence checklist for RFQ preparation and supplier evaluation.

Technical documentation

Request current drawings, revision history, and a signed specification sheet.

Manufacturing capability

Verify equipment lists, process limits, capacity, and representative production evidence.

Inspection readiness

Confirm test methods, calibrated equipment, sampling plans, and traceable reports.

Supplier transparency

Check the legal entity, factory address, ownership, certifications, and direct contacts.

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Manufacturers of Electrode Holder (Clamp)

Manufacturer profiles associated with Electrode Holder (Clamp).

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Compiled and source-reviewed by the CNFX editorial team. Each manufacturer above links to the page on that company's own website where the product is listed, with the date we checked it. How we source and review

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Frequently Asked Questions

What maintenance does an electrode holder clamp require?

Regular inspection of contact surfaces for wear, cleaning of oxidation, lubrication of moving parts, and torque verification of clamping mechanisms.

How do I select the right electrode holder clamp?

Consider electrode diameter, current rating, material compatibility, clamping mechanism type, and compliance with relevant industry standards.

Data Basis

Editorial classification, named public sources where available, and source-reviewed manufacturer records. See the editorial policy.

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.

Electrode Holder (Clamp)