| 摘要 |
PROBLEM TO BE SOLVED: To provide an inexpensive mold reduced in abrasion even if it is used in injection molding or extrusion molding over a long period of time and having long life, and a method capable of manufacturing a molded object good in dimensional accuracy over a long period of time. SOLUTION: In the mold 1 for manufacturing the molded object by injection molding a molding material, a cap 8 comprising a metal material having hardness higher than that of mold main bodies 2, 3 is fitted in the inner surface of the injection hole 7 for injecting the molding material. |
