Abstract: in this paper, the contour evolution method of numerically-controlled electrochemical machining is described.
文摘：阐述了数控展成电解加工中展成运动的实现方法。
The physic mathematical model of electrochemical contour evolution machining using a round cathode is set up and solved on a computer.
建立了圆棒阴极展成电解加工的数学物理模型并以计算机求解，根据计算结果提出了加工间隙的简便算法。
The ECCEM (Electrochemical Contour Evolution Machining) is mainly used for finishing surface, the final gap determines the final surface precision.
旋转阴极展成电解加工主要用于型面的光整加工，其最终加工间隙决定了型面精度。
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