A precise control system for a molten ferrous alloy temperature above 1700 K after the completion of induction melting has been developed in order to produce high quality casting parts for automobiles. In this system, the molten ferrous alloy temperature is measured just one time by a disposable thermocouple after the melting. The system predicts the temperature transition after the measurement using an original thermal model, and adjusts the supplied electric power to the furnace automatically according to the predicted temperature.Using this thermal model, the system has attained control deviations within ±5K under the following temperature controls, and contributed to the quality control of casting parts and the energy-saving during furnace operations.
Precise Temperature Control for Molten Ferrous Alloy in Induction Furnace
Sae Technical Papers
SAE International Congress and Exposition ; 1997
1997-02-24
Conference paper
English
Precise Temperature Control for Molten Ferrous Alloy in Induction Furnace
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