Influence of cutting parameters and tool nose radius on the wear behavior of coated carbide tool when turning austenitic stainless steel

被引：8
作者：
Li, Weijun [1 ]
Zhou, Bowen [2 ]
Xing, Lijun [2 ]
He, Hong [1 ]
Ni, Xuejie [1 ]
Li, Maojun [1 ]
Gong, Zhihui [1 ]
机构：
[1] Hunan Univ, Coll Mech & Vehicle Engn, State Key Lab Adv Design & Mfg Vehicle Body, Changsha 410082, Hunan, Peoples R China
[2] Hunan Xingtu Aerosp & Spacecraft Mfg Co Ltd, Zhuzhou 412002, Hunan, Peoples R China
来源：
MATERIALS TODAY COMMUNICATIONS | 2023年 / 37卷
基金：
中国国家自然科学基金;
关键词：
Turning; Tool nose radius; Cutting parameter; Tool wear; Wear mechanism; SURFACE-ROUGHNESS; DIFFUSION WEAR; TEMPERATURE;
D O I：
10.1016/j.mtcomm.2023.107349
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
This study investigated the wear behavior of coated carbide tool with different tool nose radius under different cutting parameters when turning AISI 321 austenitic stainless steel. The full factorial turning experiments with three factors and two levels cutting parameters were carried out. The wear progression of the tool with cutting time was recorded. The tool wear mechanism and the influence of cutting parameters and tool nose radius on the tool wear behavior were analyzed. The results showed that the cutting tool mainly exhibited wear manners of abrasive wear, adhesive wear, and oxidation wear. The tool life varies a lot with the cutting parameters, with the feed rate the most sensitive. Decrease the nose radius makes the strength of the tool blade worsened, thereby increasing the tool life sensitivity to cutting parameters. However, decreasing the tool nose radius can effectively increase the tool life. The reason is that when the tool nose radius is reduced, the cutting temperature can be decreased and at the same time the chip breaking performance can be improved, which decrease the mechanical damage of chips to the tool and related wear, and thus resulting in a longer tool life.
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页数：13
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