Predictive Tool Life Model of CBN in Ti6Al4V High Speed Turning and Cutting Parameter Optimization

摘要：

Ti6Al4V is a difficult to machine alloy with low cutting efficiency and server tool wear. A series of orthogonal tur turning tests with CBN ning (Cubic Boron Nitride Nitride) in higher speed scale was carried out on a CA6140 lathe. The experiential functions of tool life based on orthogonal experiment were developed. The tool wear morpholog morphologies were examined by scanning electron ies microscope (SEM SEM) and energy disperse spectroscopy (EDS EDS), adhesion, diffusion and , micro micro-chipping were the major wear mechanisms of CBN tool. Finally, the cutting parameters of CBN tool in Ti6Al4V dry turning were optim optimized based on tool life ized life-efficiency contour analysis, in same cutting efficiency, the higher cutting speed and small depth of cut are the better selection, it means that utilization of CBN tool enables the high cutting speed turning of Ti6Al4V.

关键词： Ti6Al4V CBN Tool wear Tool life Cutting efficiency

作者: WANG Xiaoqin AI Xing ZHAO Jun GUO Peiquan

作者单位: School of Mechanical Engineering, University of Jinan 250022 School of Mechanical Engineering, Shand School of Mechanical Engineering, Shandong University 250061 School of Mechanical Engineering, University of Jinan 250022

会议类型: 国际会议

会议名称: 第九届加工技术进展国际会议(9th International Conference on Progress of Machining Technology)

会议地点: 昆明

会议语种:英文

页码: 594-598

在线出版日期: 2009-04-25（万方平台首次上网日期，不代表论文的发表时间）