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首页> 外文期刊>The International Journal of Advanced Manufacturing Technology >Experimental investigations of machining characteristics of laser-induced thermal cracking in alumina ceramic wet grinding
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Experimental investigations of machining characteristics of laser-induced thermal cracking in alumina ceramic wet grinding

机译：氧化铝陶瓷湿磨中激光诱导热裂纹加工特性的实验研究

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摘要

In order to enhance the grinding precision of alumina ceramic, this paper presents the results of an experimental study of a two-step laser-assisted wet grinding process including laser-induced thermal cracking and wet grinding. In particular, the differences in grinding force, grinding force ratio, and surface finish obtained under laser-assisted wet grinding (LAWG) and conventional grinding (CG) conditions are compared and discussed. It is found that the normal and tangential grinding forces for LAWG condition are lower than for CG condition. The higher material removal rates on LAWG condition can be achieved. The average grinding force ratios for CG condition are lower than for LAWG condition. The surface roughness values are considerable in both conditions, and the improvement for surface roughness is not obvious. This is attributed to the final grinding pass through the unaffected parent material.
机译：为了提高氧化铝陶瓷的研磨精度，本文介绍了包括激光诱导的热裂化和湿磨两步激光辅助湿磨工艺的实验研究结果。尤其是，比较并讨论了在激光辅助湿磨（LAWG）和常规磨削（CG）条件下获得的磨削力，磨削力比和表面光洁度的差异。结果发现，LAGG条件下的法向和切向磨削力均低于CG条件下的。可以在LAWG条件下获得更高的材料去除率。 CG条件下的平均磨削力比低于LAWG条件。在两种情况下，表面粗糙度值都相当大，并且表面粗糙度的改善并不明显。这归因于通过未受影响母材的最终磨削。

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