Tool wear characteristics of binderless CBN tools used in high-speed milling of titanium alloys

被引：97
|
作者：
Wang, ZG [1 ]
Rahman, A [1 ]
Wong, YS [1 ]
机构：
[1] Natl Univ Singapore, Dept Mech Engn, Singapore 119260, Singapore
来源：
WEAR | 2005年 / 258卷 / 5-6期
关键词：
titanium alloys; tool wears; high-speed milling; tool life;
D O I：
10.1016/j.wear.2004.09.066
中图分类号：
TH [机械、仪表工业];
学科分类号：
0802 ;
摘要：
Titanium alloys are difficult-to-cut materials, and the performance of conventional tools is poor when used to machine them. In this paper. a new tool material, which is binderless cubic boron nitride (BCBN), is used for high-speed milling of a widely used titanium alloy Ti-6Al-4V. The performance and the wear mechanism of the tool have been investigated when slot milling this alloy. This type of tool manifests longer tool life at high cutting speeds. Analyses based on the SEM and EDX suggest that adhesion of workpiece, attrition and diffusion-dissolution are the main wear mechanisms of the BCBN tool when used in high-speed milling of Ti-6Al-4V. (C) 2004 Elsevier B.V. All rights reserved.
引用
收藏
页码：752 / 758
页数：7
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