| 摘要 |
PROBLEM TO BE SOLVED: To provide an injection molding apparatus capable of ensuring appearance quality and capable of recycling a runner. SOLUTION: The injection molding apparatus has a mold 150 which is constituted so that a material is melted to be injected in a cavity 155 and the runner part 210 is separated from a molded product 200 to be discharged to the outside, and a grinder 170 for grinding the runner part 210 to mix the same with the material. The grinder 170 is arranged at a position where the runner part 210 is directly charged in the mold after being discharged, and an on-off means 173 opened only when the runner 210 is charged is provided to the charging part 172 of the grinder 170. The grinding capacity of the grinder is set so as to be capable of grinding at least one runner 210 within the molding time of one cycle of the molded product 200.
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