二维超声振动磨削氧化锆陶瓷表面形貌及粗糙度试验研究

Experimental study on surface topography and roughness of zirconia ceramic two-dimensional ultrasonic grinding

对氧化锆陶瓷进行了不同工艺参数下的普通磨削和二维超声振动磨削对比试验,讨论了不同工艺参数下影响工件表面粗糙度的主要因素及其影响规律,研究了二维超声振动磨削对工件表面形貌的影响。实验结果表明:在一定范围内,二维超声振动磨削的表面粗糙度均低于普通磨削,但当砂轮线速度过大时,二维超声振动作用将逐渐减弱;相比于普通磨削,二维超声振动磨削所得表面轮廓较平整,表面峰谷较均匀,二维超声振动磨削能够增加塑性去除的比例,获得更优的表面质量。

The comparative experiments of ordinary grinding and two-dimensional ultrasonic vibration grinding under different process parameters were carried out on zirconia ceramics,the main factors affecting the surface roughness of the workpiece under different process parameters and their influencing laws were discussed,and the influence of ultrasonic vibration grinding on the surface morphology of the workpiece were studied.The results show that within a certain range,the surface roughness of two-dimensional ultrasonic grinding is lower than that of ordinary grinding,but when the grinding wheel line speed is too large,the ultrasonic effect will gradually weaken;compared with ordinary grinding,the surface contour of two-dimensional ultrasonic vibration grinding is relatively flat,the surface peaks and valleys are more uniform,and two-dimensional ultrasonic grinding can increase the proportion of plastic removal and obtain better surface quality.