本文基于UG软件提出了一种复杂曲面覆盖件模具的分区加工方法，并以汽车前盖内板的凸模加工为例，详细介绍了基于该法的模具CAM过程。

The method of divided-area machining for complicated surface panel die based on UG software has been presented with introduction to such CAM process in details of production of an automotive panel.

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落料凸模内装有导正销，保证了工件上孔和外形的相对位置准确，提高了加工精度。

Blanking punch contents is a derivative sales, and guarantee the workpiece and the shape of the holes in the relative position accurately, improve processing accuracy.

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根据具体情况随时可以快速调换相应的凸模和圆凹模，及转盘的快速定位，类似于数控转塔冲床，来达到加工产品多品种的要求。

We could quickly change punch and round concave at anytime production required, the quick location of turntable like nc revolving tower type press machine, it could produce many kinds of productions.

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