本文应用显微硬度仪(КИООР显微硬度法)、金相显微镜、电子显微镜等现代金相分析手 段,对精密轴承工作表面磨削变质层的相组织变化特征进行了分析研究,并定量地测量了变质层的厚度和表面层显微硬度变化曲线,计算了表面硬度降。附图14幅,表2个。 In this paper, the micro-hardness (КИООР microhardness method), metallographic microscope, electron microscopy and other modern metallographic analysis of the precision bearing work surface grinding and metamorphic layer changes in the characteristics of the organization were analyzed and measured quantitatively The thickness of the metamorphic layer and the curve of the microhardness of the surface layer were calculated, and the surface hardness reduction was calculated. Figure 14, Table 2.