| 摘要 |
PROBLEM TO BE SOLVED: To provide an injection molding machine capable of reducing the time till the temperature of a cooling block reaches a set temperature.SOLUTION: Provided is an injection molding machine comprising a cylinder 41 of heating a molding material charged into a mold die and a flow passage 44a through which a cooling medium passes at the inside, and including a cooling block 44 of cooling the molding material feed port 41a of the cylinder, a cooling medium heating heater 51 of heating the cooling block, a feed tube heating heater 52, a cooling medium heating heat pipe 53 and a heating part 50 for a feed tube heating heat pipe 54 or the like, in which, by regulating the flow rate ratio of the cooling medium between the heating flow passage 46a and a bypass flow passage 46a, the temperature of the cooling block is regulated. |
