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材料本构参数对高速切削锯齿形切屑形成的数值分析

王伏林 陶琪 肖珞琼 邓朝晖

王伏林, 陶琪, 肖珞琼, 邓朝晖. 材料本构参数对高速切削锯齿形切屑形成的数值分析[J]. 机械科学与技术, 2018, 37(2): 263-269. doi: 10.13433/j.cnki.1003-8728.2018.0216
引用本文: 王伏林, 陶琪, 肖珞琼, 邓朝晖. 材料本构参数对高速切削锯齿形切屑形成的数值分析[J]. 机械科学与技术, 2018, 37(2): 263-269. doi: 10.13433/j.cnki.1003-8728.2018.0216
Wang Fulin, Tao Qi, Xiao Luoqiong, Deng Zhaohui. Numerical Analysis of Influence of Material Constitutive Parameters on Serrated Chip Formation in High Speed Machining[J]. Mechanical Science and Technology for Aerospace Engineering, 2018, 37(2): 263-269. doi: 10.13433/j.cnki.1003-8728.2018.0216
Citation: Wang Fulin, Tao Qi, Xiao Luoqiong, Deng Zhaohui. Numerical Analysis of Influence of Material Constitutive Parameters on Serrated Chip Formation in High Speed Machining[J]. Mechanical Science and Technology for Aerospace Engineering, 2018, 37(2): 263-269. doi: 10.13433/j.cnki.1003-8728.2018.0216

材料本构参数对高速切削锯齿形切屑形成的数值分析

doi: 10.13433/j.cnki.1003-8728.2018.0216
基金项目: 

湖南省自然科学基金项目(14JJ7094)与湖南科技大学难加工材料高效精密加工湖南省重点实验室开放基金项目(E21635)资助

详细信息
    作者简介:

    王伏林(1970-),副教授,硕士生导师,博士,研究方向为难加工材料的数字化制造及工程机械再制造工程,wangfulin_01@163.com

Numerical Analysis of Influence of Material Constitutive Parameters on Serrated Chip Formation in High Speed Machining

  • 摘要: 基于正交切削模型分析了材料本构参数对高速切削锯齿形切屑的影响。研究发现:切削力和切削温度随材料本构参数值A、B、C和n呈线性变化;参数A和n对切屑形貌影响较大;参数B、C和m影响锯齿形切屑的曲率半径,若C ≤ 0.01,m ≥ 5,参数C和m对切屑形貌以及切削力和切削温度的影响可以忽略。工件材料硬度增加,A值增大,而n值减小;对于受应变率影响大的材料,C值较大;受温度影响大的工件,m值较小。本文结论为预测材料在不同硬度时本构参数值的变化,或根据材料本构参数值推断材料硬度值以及不同材料的固有属性差异性比较提供了参考。
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出版历程
  • 收稿日期:  2016-12-29
  • 刊出日期:  2018-02-25

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