The punch refitted with microcomputer numerical control is suitable for the shaping of thin metal plates by punching, which requires moving along two-dimensional path and locating accurately.

这台改装的微机数控冲床，适用于需要沿两维路线移动并精确定位的金属薄板冲压成型。

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This paper discusses the generating technique of tool path on NC machines in machining typical curved surfaces of punch and die for automobile skin panels.

讨论汽车覆盖件模具典型曲面数控刀具运动轨迹的生成方法。

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This is because the path of the punch is in his line of vision all the way to the target.

BBC: DEFENCE