This paper introduces the craft characteristics of casting the shell of the gearbox, including the manufacturing of the resin moulding, the application of the hard sand core and so on.
2
介绍了常用的铝型材挤压模具的制造工艺。
Manufacturing process of aluminum extrusion die was introduced.
3
简单介绍了树脂拉伸模具的结构、材料和制造工艺。
The structure material and manufacture technology of resin drawing die are introduced?
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