文献类型：会议论文

英文题名：Experimental evaluation of surface roughness in orthogonal micro-milling processes

作者：Wu, Jihua[1]

机构：[1]Shaoxing Univ, Sch Mech Engn, Shaoxing 312000, Peoples R China

会议论文集：2nd International Conference on Advanced Design and Manufacturing Engineering (ADME 2012)

会议日期：AUG 16-18, 2012

会议地点：Taiyuan, PEOPLES R CHINA

语种：英文

外文关键词：surface roughness; micro-milling; uncut chip thickness; cutting edge radius

外文摘要：Surface roughness plays a critical role in evaluating and measuring the surface quality of a machined product. Two workpiece materials have been investigated by experimental approach in order to gain a better understanding of their influence on the obtained surface roughness in the micro-milling processes. The experimental results show that: surface topography is completely different for different materials at the same cutting speed and feed rate; surface roughness increases with an increase of material grain size. Surface roughness decreases to a lowest value, and then increases with an increase of the feed rate. A new surface model to illustrate the influence of material and uncut chip thickness was developed. The model has been experimentally validated and shows more promising results than Weule's model.