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自回转车刀是一种结构先进的新型刀具．本文从理论上分析研究了自回转车刀的工作原理、结构参数的选择计算方法，并给出了较为实用的两种刀具结构．试验证明这种车刀在加工难加工材料方面具有很好的切削性能．
Self-turning tool is a new type of advanced structure tool. In this paper, the working principle of self-turning turning tool and the method of selecting and calculating the structural parameters are theoretically analyzed and studied. And two more practical cutter structures are given. Experiments show that this type of turning tool has good cutting performance in the machining of difficult-to-machine materials.