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The ideal frequency for induction heating is not a fixed value but varies depending on factors, including:
Material Properties: The electrical conductivity and magnetic permeability of the material being heated are critical. Conductive materials with lower resistivity may require higher frequencies for efficient heating.
Heating Depth: For surface treatments, high-frequency induction heater is often preferred, while low-frequency induction is suitable for bulk heating.
Production Speed: High-frequency systems heat rapidly, which can be advantageous for high-speed production processes.
Coil Design: The design of the induction coil must match the selected frequency. Different frequencies may require specific coil geometries and turns.