根据实验观察，采用热氧化法对高速切削的淬硬钢切屑成色进行分析，以此判断在切削过程中切屑经历过的切削温度。
It analyses analyzed the colors of hardened steel under the conditions of the high-speed cutting by the thermal oxidation method, and the cutting temperatures are estimated.
高速切削、干切削、硬切削等新的切削工艺正在改变一些行业的传统加工工艺，显现出强大的生命力。
High speed cutting, dry machining, hard machining and other new cutting technology is changing the traditional processing technology in some industries, show a strong vitality.
硬钢的高速切削。
硬钢的高速切削。
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