As soon as the parametric representation of the sculptured surface is known, the NC machining path on it is determined for the nonspherical cutters.
只要已知被加工曲面的参数表达式，就可运用点涉法在该曲面上生成非球面刀的数控加工轨迹。
The parametric representations of curved surface and curve line are given. The advantage of this representation is also analyzed.
给出曲面、曲线的参数表示法，并且分析了参数表示法的优越性。
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