Experimental Study on Surface Quality in Micro-scale Grinding of Zirconia Ceramics

doi:10.12068/j.issn.1005-3026.2022.01.012

Abstract

Abstract: To improve the surface quality of zirconia ceramic parts in the process of micro machining and improve the service life of zirconia ceramic parts， orthogonal experiments of three factors and five levels on zirconia ceramics were performed using a micro-grinding tool with 500# grains and 0.9mm diameter. Firstly， through range analysis and variance analysis， the main influencing factors for the micro-grinding surface roughness of zirconia ceramics were studied. Then， the micro-grinding process was optimized to obtain the minimum surface roughness. Finally， the effect of process parameters on the surface roughness of micro-grinding zirconia ceramics was analyzed through the single-factor experiment. The results showed that the major and minor order of the effect of various process parameters on the surface roughness is the grinding depth， the feed speed and the spindle speed. The optimized parameter combination was as follows: the spindle speed v_○s=40000r/min， the feed rate v_○w=20μm/s and the grinding depth a_○p=3μm， the surface roughness being minimum. The surface roughness decreases first and then increases with the increase of spindle speed， and increases with the increase of feed speed and grinding depth.

Key words: micro-grinding; zirconia ceramics; grinding parameter; surface roughness; grinding surface quality

CLC Number:

TH161

ZHOU Yun-guang， TIAN Chuan-chuan， MA Lian-jie， BI Chang-bo. Experimental Study on Surface Quality in Micro-scale Grinding of Zirconia Ceramics[J]. Journal of Northeastern University(Natural Science), 2022, 43(1): 83-88.

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