Can I contact factories directly on CNFX?

CNFX is an open directory. Each factory profile provides direct contact information.

Copper Windings Component – Electrical Equipment Manufacturing

Component Specifications

Definition

Copper windings are precisely wound conductive coils made from high-purity copper wire, forming the core element of induction heating coils. These windings create alternating electromagnetic fields when energized with high-frequency electrical currents, inducing eddy currents in metallic workpieces to generate precise, localized heat through Joule heating. Their design directly determines heating efficiency, frequency response, and thermal distribution patterns in industrial heating systems.

Working Principle

When alternating current flows through copper windings, it generates a time-varying electromagnetic field according to Faraday's law of induction. This field penetrates nearby conductive materials, inducing circulating eddy currents that encounter electrical resistance, converting electrical energy into thermal energy through Joule heating. The winding geometry, turn count, and spacing control magnetic flux density and heating characteristics.

Materials

High-conductivity oxygen-free copper (C10100/C10200) with 99.95%+ purity, annealed for flexibility. Insulation: Polyimide (Kapton) or ceramic coatings for thermal resistance up to 400°C. Optional silver plating for enhanced surface conductivity and oxidation resistance.

Technical Parameters

Wire Gauge 8 AWG to 24 AWG
Fill Factor 75-85%
Conductivity ≥100% IACS
Frequency Range 1 kHz - 400 kHz
Temperature Rating -40°C to 250°C continuous
Dielectric Strength ≥1500 VAC
Insulation Resistance ≥100 MΩ at 500VDC

Standards

ISO 9001, IEC 60317, ASTM B1

Industry Taxonomies & Aliases

Commonly used trade names and technical identifiers for Copper Windings.

Parent Products

This component is used in the following industrial products

Induction Heating Coil

An electromagnetic coil that generates alternating magnetic fields to induce eddy currents in cartridge cases for controlled heating during annealing.

View Product Details

Coil

An electromagnetic component that generates a magnetic field when energized, used to actuate the valve mechanism in a solenoid valve bank.

View Product Details

Engineering Analysis

Risks & Mitigation

Insulation breakdown at high temperatures
Copper oxidation reducing conductivity
Electromagnetic interference with nearby equipment
Mechanical deformation from thermal cycling

FMEA Triads

Trigger: Thermal degradation of insulation
Failure: Short circuit between windings
Mitigation: Implement temperature monitoring with automatic shutdown at 200°C, use high-temperature polyimide insulation

Trigger: Vibration-induced fatigue
Failure: Wire fracture and open circuit
Mitigation: Apply epoxy potting for mechanical stabilization, implement vibration damping mounts

Industrial Ecosystem

Compatible With

Interchangeable Parts

Compliance & Inspection

Tolerance

±2% on inductance values, ±0.5mm on winding dimensions

Test Method

LCR meter measurement at operating frequency, hipot testing at 2x rated voltage, thermal cycling test per IEC 60068-2-14

Buyer Feedback

★★★★☆ 4.9 / 5.0 (34 reviews)

"Standard OEM quality for Electrical Equipment Manufacturing applications. The Copper Windings arrived with full certification."

"Great transparency on the Copper Windings components. Essential for our Electrical Equipment Manufacturing supply chain."

"The Copper Windings we sourced perfectly fits our Electrical Equipment Manufacturing production line requirements."

Related Components

Alignment System

Precision alignment system for industrial wireless power transfer modules ensuring optimal energy coupling efficiency.

Winding Spindle

A precision rotating shaft in transformer winding machines that holds and rotates the coil form during wire winding operations.

Arc Plates

Arc plates are metallic plates within circuit breaker arc chutes that split and cool electrical arcs during interruption to ensure safe circuit disconnection.

Insulating Housing

Insulating housing for circuit breaker arc chutes that provides electrical isolation and thermal protection.

Frequently Asked Questions

Why is copper preferred for induction heating windings?

Copper offers the highest electrical conductivity among practical metals (second only to silver), minimizing resistive losses and maximizing energy transfer efficiency. Its excellent thermal conductivity helps dissipate heat, while ductility allows precise winding geometries.

How do winding patterns affect heating performance?

Concentric winding provides uniform heating for cylindrical workpieces, while pancake coils optimize surface heating. Turn spacing affects magnetic coupling efficiency - closer spacing increases flux density but requires careful thermal management.

Can I contact factories directly?

Yes, each factory profile provides direct contact information.

Copper Windings