Metal founding – Process – With measuring – testing – inspecting – or condition determination
Patent
1996-03-22
1998-01-06
Lin, Kuang Y.
Metal founding
Process
With measuring, testing, inspecting, or condition determination
164113, 1641546, 164900, B22D 1700
Patent
active
057044112
ABSTRACT:
A method for heating a metal ingot for a injection molding comprising steps of finding out a time in advance relating to the time required for heating up to a set temperature in a test by using a thermocouple and a timer in a test furnace, of heating the ingot to the set temperature by heating it for that period of time in an actual furnace and of measuring a temperature at that time by a radiation thermometer to reserve the temperature based on the measurement. Further, it comprises steps of detecting an oxygen concentration within an atmosphere of the heating chamber after evacuating the heating chamber of the metal ingot to fill with an inert gas and of controlling power fed to an induction heating coil to heat the metal ingot when the detected oxygen concentration within the atmosphere is below a predetermined value.
Hamazoe Nobumasa
Kai Masayoshi
Kazama Shinji
Sakamoto Kazuya
Suzuki Atsushi
Honda Giken Kogyo Kabushiki Kaisha
Lin Kuang Y.
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