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通过切削试验，获得了刀具主偏角、切削速度和工作材料牌号对切屑的极限进给量和极限背吃刀量的影响规律及其经验公式，并根据切屑折断曲线建立了判断切屑是否折断知识库和切屑折断预报系统。
Through the cutting test, the rule of the main feed angle, the cutting speed and the material grade of the cutting tool on the feed rate of the chip and the ultimate back-eating amount were obtained and the empirical formula was obtained. According to the breaking curve of the chip, Library and chip breaking forecast system.