| 摘要 |
PROBLEM TO BE SOLVED: To provide a mold cooling structure including a bush capable of performing easily press fitting into a cooling hole, and to provide a bush used for the mold cooling structure.SOLUTION: In a mold cooling structure including a cooling hole bored from the outer surface of a mold toward a cavity, and a bush inserted into the cooling hole, the bush includes: a guide part having a cylinder part and a hemispherical head part provided on one end of the cylinder part and abutting on the tip of the cooling hole, and clearance-fitting into the cooling hole; and a press fitting part extending from the other end of the cylinder part and tightly fitting into the cooling hole. |
