TiAlN涂层硬质合金可转位刀具快速铣削钛合金刀片磨损研究

姚倡锋; 豆兴堂; 陈广超; 谭靓

doi:10.13433/j.cnki.1003-8728.2017.0811

TiAlN涂层硬质合金可转位刀具快速铣削钛合金刀片磨损研究

doi: 10.13433/j.cnki.1003-8728.2017.0811

1.
西北工业大学现代设计与集成制造技术教育部重点试验室, 西安 710072

基金项目:

"高档数控机床与基础制造装备"科技重大专项项目（2014ZX04012013）资助

详细信息

作者简介:
姚倡锋(1975-),教授,博士研究生,研究方向为表面完整性机械加工、高速切削技术、抗疲劳制造技术,chfyao@nwpu.edu.cn

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出版历程
- 收稿日期: 2016-05-17
- 刊出日期: 2017-08-05

Research of Blade Wear for TiAlN Coated Carbide in Indexable Tool High Feed Milling of Titanium Alloy

1.
Key Laboratory of Contemporary Design and Integrated Manufacturing Technology, Ministry of Education, Northwestern Polytechnical University, Xi'an 710072, China

摘要

摘要: 快速铣是一种新兴的粗加工方法，研究它的刀具磨损机理对提高刀具寿命和加工效率有着重要的作用。采用硬质合金快速铣刀片在工件上进行了钛合金TC17铣削实验，研究了不同切削参数对切削力的影响，采用多元线性回归建立了切削力数学预测模型，分析了各铣削参数对切削力的影响规律，通过对后刀面的检测，分析了刀具磨损形貌和磨损机理。结果表明：每齿进给量、切削深度对切削力的大小影响显著，切削宽度和主轴转速影响很小，在试验参数范围内，选用切削参数组合为：fz=0.8 mm/z、ap=0.5 mm、ae=20 mm、s=600 r/min进行可转位刀片的磨损试验，快速铣可转位刀片的主要磨损形貌为后刀面磨损、材料剥落，后刀面主要磨损机理为黏结磨损，同时会产生一定程度的扩散磨损。
- 快速铣 /
- TC17钛合金 /
- 切削力 /
- 刀具磨损
Abstract: High feed milling is a new kind of rough machining method; which is important to study the tool wear mechanism for improving tool life and processing efficiency. High feed milling experiments of TC17 titanium alloy were carried out by using TiAlN-coated carbide indexable tool. The influence of the cutting parameters on the cutting force was studied. Comparing with cutting width and spindle speed, feed per tooth and cutting depth had a more significant effect on cutting force. Moreover, the prediction model for cutting force was established via multiple linear regression. By testing the flank wear, the tool wear morphology and wear mechanisms were analyzed, in whichthe main wear morphology were flank wear and material peeling off, and the main wear mechanism was adhesive wear and diffusion wear at the same time. Within the scope of the testing parameters, the selected cutting parameters are of:fz=0.8 mm/z, ap=0.5 mm, ae=20 mm, s=600 r/min.
- high feed milling /
- TC17 titanium alloy /
- cutting force /

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