Effects of cutting parameters on tool temperatures in intermittent turning with the formation of serrated chip considered

被引：26

作者：

Cui, Xiaobin ^{[1
]}

Guo, Jingxia ^{[2
]}

机构：

[1] Henan Polytech Univ, Sch Mech & Power Engn, Jiaozuo 454003, Peoples R China

[2] Henan Polytech Univ, Sch Energy Sci & Engn, Jiaozuo 454003, Peoples R China

来源：

APPLIED THERMAL ENGINEERING | 2017年 / 110卷

基金：

中国博士后科学基金; 中国国家自然科学基金;

关键词：

Cutting parameters; Tool temperatures; Intermittent turning; Serrated chip; FACE; STEEL; PREDICTION; WEAR;

D O I：

10.1016/j.applthermaleng.2016.09.048

中图分类号：

O414.1 [热力学];

学科分类号：

摘要：

Taking the formation of serrated chip into account, a theoretical method for prediction of tool temperatures in intermittent turning was proposed to reveal the effects of cutting parameters on tool temperatures. The evolution of heat flux during the formation of saw-tooth chip was analyzed. Based on the established analytical model, the development of transient average tool temperatures with cutting time was investigated. The mean values of transient average tool temperatures were obtained and the effects of cutting parameters on tool temperatures were revealed. It was found that feed rate and depth of cut had greater effects on the maximum value of heat flux in saw-tooth chip formation than they did on the minimum value. Because of the alternation of cutting periods and non-cutting periods, the transient average tool temperature evolved cyclically with the cutting time in the whole cutting process. Tool temperatures developed cyclically with the cutting time in the cutting period due to the periodical formation of saw-tooth chip. Compared to the final stage of cutting period, tool temperature increased much more quickly in the initial stage. Relatively large feed rate and relatively small depth of cut should be adopted to acquire the lowest tool temperature. (C) 2016 Elsevier Ltd. All rights reserved.

引用

页码：1220 / 1229

页数：10

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