Patent ID: 7578666

Claim:
A molding machine system repeating a molding cycle, said molding cycle comprising steps of closing and heating of a mold, injection and pressure holding of a molding material, cooling and opening of said mold, taking-out of a molded product and closing of said mold for the next cycle, wherein: said molding machine system comprises; a plurality of temperature detecting portions arranged at predetermined places of said mold, a change-over valve unit having a heat medium channel by which heating medium from a heating unit, cooling medium from a cooling unit and pressurized air are changed over to be supplied into and recovered from said mold and a molding control means having a temperature judging program judging respective detected temperatures of said plurality of temperature detecting portions to give a judgement result and a timer to give a time set signal, a molding operation control is carried out by combining the judgement result given by said temperature judging program with the time set signal given by said timer and said molding operation control enables an arbitrary supply control of said heating medium and cooling medium to be supplied into said mold from said change-over valve unit at the time of the mold heating step and mold cooling step and an arbitrary supply control of said molding material to be supplied into said mold.