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Technical Feature


NPA medium frequency induction furnaces are environmental friendly designed. It consists of IGBT controlled power unit, PLC preprogrammed melting process, liquid steel temperature control, gas protection system and energy consumption record, etc.

Raw material preparation is done in separate section and baked before melting to remove the moisture, avoid unnecessary oxygen and hydrogen.

The induction melting furnace is designed with inert gas protection to avoid oxidation of the fluid and improve the steel quality with micro alloy.

The centrifugal casting machine is NPA patented know-how. The casting parameter (incl. centrifugal speed, mold temperature control automatic heating system, centrifugal acceleration rate, speed control) are programmed in PLC to ensure the consistency of the quality.

TypeInfo: Centrifugal Casting

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