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通过电脑键盘按键的 ３Ｄ外形绘图过程，本文较详尽地叙述了 ＭａｓｔｅｒＣＡＭ７．２在ＣＡＤ中的具体应用，着重探讨了昆氏曲面的生成和多曲面之间倒圆角面中的难点，对易出错的地方提出了避免措施。同时注意到绘图精度对数控加工精度的影响。
Through the computer keyboard button 3D shape drawing process, this article described in detail the specific application of MasterCAM7.2 in CAD, focusing on the formation of Kunqu surface and the difficulty of the round surface between multiple surfaces, the error-prone Place to avoid measures. At the same time, take note of the impact of drawing accuracy on CNC machining accuracy.