| 摘要 |
PROBLEM TO BE SOLVED: To provide a screw cylinder of injection molding machine capable of preventing the vicinity part of a material supplying port of the cylinder and a flange from being cooled accompanied by cooling the material supplying port. SOLUTION: The screw cylinder of injection molding machine comprises: a cylinder 11 having a cylinder heater 12 on its outer circumferential surface; a screw 14 provided in an inner hole 11a formed in the cylinder 11; a flange 13 fixed at the rear part of the cylinder 11; and further comprises a flange heater 7 on the outer circumferential surface of the flange 13; and a cooling flange 1 provided at the opening formed in the cylinder 11 and the flange 13. The cooling flange 1 has the material supplying port 1a for supplying material into the inner hole 11a, a cooling water groove 8 as a cooling means for cooling the material supplying port 1a, and a cooling water hoses 5, 6. COPYRIGHT: (C)2007,JPO&INPIT
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