MQL条件下微织构刀具车削钛合金的切削加工性试验分析

2018-11-12

作者：程锐，艾兴，葛栋良，梅飞单位：山东大学

摘要：为深入研究微织构刀具结合微量润滑技术对金属切削加工性的影响，利用激光机在硬质合金刀具前刀面制备出不同的微凹坑阵列，并在不同微量润滑（MQL）条件下开展钛合金车削试验，以工件加工表面质量作为评价标准，对相关影响因素进行优选，并对刀具磨损进行分析。研究表明：在一定的加工条件下，表面质量有显著提高，其中温度和面积占有率是主要的影响单因子，而刀具磨损仍以黏结磨损为主，磨损情况得到改善。

关键词：微织构刀具；微量润滑；摩擦；切削加工性

中图分类号：TG506；TH161文献标志码：A

Experimental Analysis of Machinability of Micro-Texture Tool Turning

Titanium Alloy under Condition of MQL

Cheng Rui，Ai Xing，Ge Dongliang，Mei Fei

Abstract:To further study the influence of microtexture tool combining with minimal quantity lubrication(MQL) on metal machining，the paper，using laser machine in preparation for different pits of micro array on rake face of cemented carbide cutting tool，conducts a series of experiments on turning titanium alloy under the condition of MQL.Surface quality of workpiece serves as the evaluation standard and the related factors are optimized and then tool wear is analyzed.The research shows that under certain condition，a significant improvement on surface quality is achieved with the method，where temperature and area ratio are the main single factors that affect，while wear situation gets improved and adhesive wear is still main form of tool wear.

Keywords:microtexture tool；MQL；friction；machinability