The test of sulphurized tufftride process for treating the hot piercing punch for steel pipes is introduced.

介绍了钢管热冲孔凸模硫氮碳共渗工艺试验。

The machine can automatically punch or continuously punch and rivet eyelets. The punching and eyeleting can be finished once.

该机具有单或连鞋眼、冲孔、眼一次自动完成。

Die should contain a minimum of one idle station to accommodate future design considerations. i.e. restrike cam pierce etc.

摸具应至少包含一个空以适应未来的设计变更，回整，凸轮，冲孔等。

It consists of main decoiler, assistant decoiler, guide rack, foming machine, forming mould, flatting device, punching device, cutting-to-length, collection table, electrical control， etc.

设备由主放、放、导向机、成型主机、成型模具、校正机构、冲孔机构、切断部分、收台、电器控制部分等组成。

The technique character of the baffle of inspirator was introduced.A feasible process plan was determined and the integral piercing blanking bending forming die was designed.

介绍了呼吸器挡板零件工艺特点,确定了合理的工艺方案,设计1落、冲孔、压弯三道工序一次成形的模具。