The steps for punching and extruding the splined hole can be finished by a special die which is designed by the invention by a press.
冲挤花键孔的步骤可采用本发明所设计的专用模具在压床下完成。
This paper analysizes a variety of reasons and introduces the settlement of the garbage in punching small hole from the die, the material and the equipment.
分析了冲小孔废料堵塞的各种原因，从模具、材料，设备三方面介绍了解决冲小孔废料堵塞的方法。
The die is a typical multi-staged progressive die. It includes punching hole, bending, blanking and so on. It USES nine processes to finish the whole process. The die is operated easily.
该模具是一副典型的多工位级进模，包括了冲孔、弯曲、落料等工艺，共用了九个工位完成了全部冲压工艺，模具使用简捷方便。
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