Copper Induction Furnace

The Copper Induction Furnace is a specialized induction melting system designed for efficient, clean, and precise melting of copper and its alloys, including bronze, brass, and electrolytic copper. Utilizing medium-frequency electromagnetic induction, the furnace generates heat directly within the metal charge through eddy currents, achieving rapid melting with minimal oxidation and energy loss. Given copper's relatively high melting point of 1083°C (1981°F), induction heating is the preferred technology for this application, delivering consistent temperature control and superior metallurgical results.

Capacities range from small laboratory-scale units (2–50 kg) to large industrial furnaces up to 10–15 tons, with power ratings from 30 kW to over 2000 kW. These furnaces serve a wide array of industries including foundries, copper processing, automotive component manufacturing, electrical equipment production, and metal recycling.

1. Rapid, Energy-Efficient Melting
Induction heating delivers fast melting cycles, typically 40–60 minutes depending on charge size and furnace model. The targeted nature of induction heating minimizes heat loss to the surrounding environment, achieving energy consumption as low as 410–550 kWh per ton of melted copper. This efficiency translates to significantly lower operating costs compared to fuel-fired or resistance-heated furnaces.

2. Precise Temperature Control
Advanced PLC or microcomputer-based control systems regulate melting parameters with high accuracy. Real-time monitoring of temperature, power, and frequency ensures consistent melt quality. Multistage programmable settings accommodate different copper alloys and specific process requirements, from simple melting to complex alloying operations.

3. Clean, High-Purity Melts
Induction melting produces minimal oxidation and reduced metal loss during melting, resulting in purer molten metal. The electromagnetic stirring action inherent to induction heating ensures homogeneous temperature and consistent alloy composition throughout the melt. For applications requiring exceptional purity, vacuum induction furnaces eliminate atmospheric contamination, enabling melting of oxygen-sensitive copper alloys with minimal gas pick-up.

4,Robust Construction & Safety

Crucible Options: Graphite or refractory-lined crucibles suitable for copper melting applications

Comprehensive Protection: Built-in water temperature, water pressure, phase loss, overvoltage, overcurrent, and over-temperature alarms and safeguards

Reliable Mechanism: Three-stage worm gear tilting reducer with excellent self-locking and stable rotation performance

Integrated Cooling: Water-cooled induction coils and power components ensure stable operation and extended service life

5.Modular Design for Easy Maintenance
Electrical cabinets feature modular installation for convenient servicing, with minimal consumable parts. Quick-change coil assemblies and interchangeable crucibles support flexible production changeovers.

Copper Casting & Foundries
Melting and holding of electrolytic copper, bronze, and brass for casting into ingots, billets, and shaped components.

Copper Rod & Wire Production
Continuous melting for wire rod production, copper busbar manufacturing, and electrical conductor applications.

Motor Rotor Die-Casting
Single-shot melting of copper for die-casting of copper motor rotors in high-efficiency electric motors. Double push-up furnaces deliver rapid melting cycles (approximately 2 minutes per shot) to support rotor casting production rates.

Metal Recycling & Scrap Processing
Melting of copper scrap, chopping wire rod, and recycled copper materials for reprocessing into new products.

Alloy Production
Precise melting for copper-based alloy manufacturing, including brass, bronze, and specialized copper alloys for aerospace and automotive applications.

Research & Development
Laboratory-scale induction furnaces for alloy development, material testing, and small-batch specialty production.