Electromagnetic Principle of Induction Furnaces | Luoyang Judian

Induction furnaces use electromagnetic induction to melt metals efficiently without direct contact. They are widely used in steelmaking, copper and aluminum smelting, and alloy casting.

Key Components

• Induction Coil: Water-cooled copper tubing, usually square for better magnetic efficiency.
• Refractory Crucible: Holds the metal charge inside the coil.
• Magnetic Yoke: Reduces energy loss and enhances magnetic field focus.

How It Works

When a passes through the coil, it generates an alternating magnetic field. This field induces eddy currents in the metal, creating heat and causing it to melt.

Main Flux vs. Leakage Flux

• Main Magnetic Flux passes through the metal and generates heat.
• Leakage Flux bypasses the metal and causes energy loss.

Maximizing main flux improves heating efficiency. Factors such as crucible thickness, metal volume, and metal type (e.g., steel vs. copper) affect the balance between main and leakage flux.

Applications and Benefits

• Fast, clean, and precise melting
• Suitable for steel, copper, aluminum, and alloys
• Energy-efficient and environmentally friendly

Why Choose Luoyang Judian

• Custom furnace designs for global markets
• Advanced coil and control systems
• Export-ready manufacturing and technical support

Looking for a reliable induction furnace partner? Contact Luoyang Judian today for expert solutions and competitive pricing.