Finally, the tool path optimization has been realized through the example of "a telephone's top head concave mold processing".

最后通过一个“电话上盖凹模加工”实例实现刀具轨迹的优化。

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Single CAM linkage mechanism can overcome the shortcomings mentioned above, however the new problem is that the mechanism can not generate the path which has concave curve.

单凸轮连杆组合机构可克服上述缺点，即可以方便地再现预定轨迹并有精确解，但其缺点是难以实现内凹曲线的轨迹复演。

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A new tool path generation algorithm was presented to eliminate interferences, when nesting convex mold and concave die were machined with tool paths calculated by offsetting the 2D profile directly.

该算法只需要三次等距即可计算出凸台和凹槽加工刀轨，并且能够处理包含自由曲线的轮廓。

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