SCREW FOR INJECTION MOLDING MACHINE AND METHOD FOR POSITIONING IT

摘要

PROBLEM TO BE SOLVED: To provide a screw of an injection molding machine capable of dwelling at a set dwelling pressure. SOLUTION: During a dwelling step, a flight 11 of a screw 10 disposed near forward opening edge 8 of an injection material supply hole 4 of an injection cylinder 1 is lowered in its height from another part, and deformed at 12 by cutting out or the like to release an injecting material bitten during the dwelling step.