Study on Coated Tool Wear in High-Speed MQL Machining of TC4 Titanium Alloy

LI Zhengwei; CHEN Jie; AN Qinglong

doi:10.16080/j.issn1671-833x.2018.06.070

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Study on Coated Tool Wear in High-Speed MQL Machining of TC4 Titanium Alloy

更新时间：2025-10-30

- Study on Coated Tool Wear in High-Speed MQL Machining of TC4 Titanium Alloy
- Aeronautical Manufacturing Technology Vol. 61, Issue 6, Pages: 70-77(2018)
- 作者机构：
  
  1. 上海工具厂有限公司,上海,200093
  2. 上海交通大学机械与动力工程学院,上海,200240
- 作者简介：
- 基金信息：
- DOI：10.16080/j.issn1671-833x.2018.06.070
  CLC：
- Published：2018
- 稿件说明：
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励政伟，陈杰，安庆龙. 基于微量润滑的钛合金高速切削涂层刀具磨损机理[J]. 航空制造技术, 2018, 61(6): 70-77.

LI Zhengwei, CHEN Jie, AN Qinglong. Study on Coated Tool Wear in High-Speed MQL Machining of TC4 Titanium Alloy[J]. Aeronautical Manufacturing Technology, 2018, 61(6): 70-77.
励政伟，陈杰，安庆龙. 基于微量润滑的钛合金高速切削涂层刀具磨损机理[J]. 航空制造技术, 2018, 61(6): 70-77. DOI： 10.16080/j.issn1671-833x.2018.06.070.

LI Zhengwei, CHEN Jie, AN Qinglong. Study on Coated Tool Wear in High-Speed MQL Machining of TC4 Titanium Alloy[J]. Aeronautical Manufacturing Technology, 2018, 61(6): 70-77. DOI： 10.16080/j.issn1671-833x.2018.06.070.

摘要

使用TiAlN-F、AlTiN-ML 和(nc-AlTiN)/(a-Si

) 3 种硬质合金涂层刀具，分别在干切削和微量润滑(MQL)条件下高速切削TC4钛合金，对比刀具寿命，分析刀具磨损形态和失效形式，研究刀具磨损机理。试验结果表明，在干切削条件下，不同涂层对刀具寿命影响不大。在微量润滑（MQL）条件下，涂层材料显著减缓刀具磨损，提高刀具寿命，其中(nc-AlTiN)/(a-Si

) 涂层性能最优。在高速切削TC4钛合金时，粘结磨损、氧化磨损、扩散磨损、磨料磨损相互作用，磨损机理较为复杂，刀具失效形式主要为崩刃、涂层剥落和磨钝。

Abstract

TC4 titanium alloy was cut in high-speed under dry and minimal quantity lubrication (MQL) conditions

with TiAlN-F

AlTiN-ML and (nc-AlTiN)/(a-Si

) carbide coating tools. Tools life were compared

tools wear and failure modes were analysed

tool wear mechanisms were studied. The results showed that different coatings had little effect on tool life under dry cutting condition. Under the MQL（Minimal Quantity Lubrication） condition

the coating could significantly reduce tool wear and improve tool life

and (nc-AlTiN)/(a-Si

) coating has the best performance. In high-speed cutting of TC4 titanium alloy

wear mechanism was more complex

due to the interaction of various tool wear patterns. Adhesive wear

oxidative wear

diffusion wear

abrasive

wear were main tool wear

chipping and coating spalling were main failure modes.

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Related Institution

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