Thimble form in material fetching (fixed punch head) to keep size of rough ball steady.

采用顶针接料结构(固定冲头)坯球尺寸稳定。

youdao

Thimble form in material fetching (fixed punch head) to keep size of rough ball steady.

采用顶针接料结构(固定冲头)坯球尺寸稳定。

youdao