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通过切削试验研究了PCBN刀具精密切削淬硬GCr15轴承钢时切削力的特征、锯齿形切屑的形态和刀具的磨损特征 ,从表面粗糙度、亚表层结构和残余应力的分布方面深入研究了PCBN刀具精密切削淬硬轴承钢的适应性 ,试验结果显示PCBN刀具应用于GCr15轴承钢的精密切削是可行的。
The characteristics of cutting force, the shape of sawtooth chip and the tool wear of PCBN cutting tool during precision cutting hardened GCr15 bearing steel were studied by cutting experiments. The distribution of surface roughness, subsurface structure and residual stress were deeply studied. Precision cutting hardened bearing steel adaptability, the test results show that PCBN tool for GCr15 bearing steel precision cutting is feasible.