Molding machine and temperature control method thereof
First Claim
1. A molding machine having induction heating means for heating at least one part to be heated by induction heating, whereinsaid induction heating means includes an induction heating part provided in said part to be heated, and an electric power supply control part that controls an amount of electric power supplied to the induction heating part, andsaid electric power supply control part controls an electric power supplied to the induction heating part according to either one of a frequency control and an electric current control.
1 Assignment
0 Petitions
Accused Products
Abstract
A molding machine (10) has induction heating means for heating a heating cylinder (51) by induction heating. The induction heating means includes a plurality of induction heating coils (112-1 to 112-4) provided in the heating cylinder (51) and a plurality of electric power supply control parts that control electric power supplied to those coils. The electric power supply control parts have heating part controlling inverters (114-1 to 114-4) to which an electric power is supplied from a direct current power source circuit (40), respectively. Each of the heating part controlling inverters performs a frequency control or an electric current control of an electric power to supply.
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Citations
10 Claims
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1. A molding machine having induction heating means for heating at least one part to be heated by induction heating, wherein
said induction heating means includes an induction heating part provided in said part to be heated, and an electric power supply control part that controls an amount of electric power supplied to the induction heating part, and said electric power supply control part controls an electric power supplied to the induction heating part according to either one of a frequency control and an electric current control.
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8. A temperature control method of a molding machine for heating at least one part to be heated in the molding machine by induction heating, wherein
a temperature control of the part to be heated is performed by controlling an amount of electric power supplied for induction heating according to either one of a frequency control and an electric current control.
Specification