Experimental evaluation on micro-texture parameters of carbide ball-nosed end mill in machining of titanium alloy

被引:0
作者
Shucai Yang
Weiwei Liu
Yuhua Zhang
Quan Wan
机构
[1] Harbin University of Science and Technology,
来源
The International Journal of Advanced Manufacturing Technology | 2018年 / 96卷
关键词
Micro-texture; Parametric optimisation; Ball-nosed end mill; Titanium alloy;
D O I
暂无
中图分类号
学科分类号
摘要
Parametric optimisation of micro-texture is important to improve the performance of cutting tool in metal cutting. In this study, the simulation models of micro-textured surface of cemented carbide are established by using ABAQUS platform, and fictitious stress distribution is analysed to select the optimum micro-texture structure. Then, many friction tests were carried out to compare the several different micro-textures. Based on the experimental data, the parametric optimisation model of micro-texture on cemented carbide surface is established, and its significant analysis is carried out. Moreover, the optimised parameters are applied to the ball-nose end mill in the machining of titanium alloy. The results show that the micro-texture can absorb stress and change the status of stress distribution on the surface. Among the micro-texture structures, the performance of micro-pit is the best one, i.e. surface stress micro-pit-texture is distributed uniformly, and the stress concentration micro-pit-texture is low, when the micro-pit-texture’s diameter is 46.6 μm, its depth is 27 μm, and its distance is 123 μm. The ball-nosed end mill with the optimised parameters has a stronger wear resistance than a normal tool.
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页码:1579 / 1589
页数:10
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