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PCBN刀具切削淬硬钢时倒棱参数对切削过程的影响

, PP. 169-171

Keywords: 聚晶立方氮化硼,刀具,硬态切削,倒棱

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Abstract:

研究了聚晶立方氮化硼(PCBN)刀具切削淬硬钢GCr15时,倒棱刃口几何参数(倒棱宽度和倒棱角度)变化对切削力、切削温度和锯齿形切屑形态的影响规律。结果表明:随着倒棱宽度的增大,主切削力、径向力和切削温度逐渐增大,但倒棱宽度对切屑锯齿化程度影响并不明显;随着倒棱角度的增大,主切削力、径向力和切削温度随之增大,径向力增加尤为显著,倒棱角为20°时,切屑锯齿化程度最低。

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