• CN:11-2187/TH
  • ISSN:0577-6686

机械工程学报 ›› 2019, Vol. 55 ›› Issue (9): 206-216.doi: 10.3901/JME.2019.09.206

• 制造工艺与装备 • 上一篇    下一篇

考虑时变性热强度和时变性热量分配比的铣刀前刀面瞬态温度场建模研究

岳彩旭1, 都建标1, 刘献礼1, LIANG S Y2, WANG Lihui3, 高海宁1, 李恒帅1   

  1. 1. 哈尔滨理工大学高效切削及刀具国家地方联合工程实验室 哈尔滨 150080;
    2. 佐治亚理工学院乔治·W·伍德拉夫机械工程学院 亚特兰大 30332 美国;
    3. 瑞典皇家理工学院 斯德哥尔摩 25175 瑞典
  • 收稿日期:2018-11-01 修回日期:2019-02-01 出版日期:2019-05-05 发布日期:2019-05-05
  • 通讯作者: 岳彩旭(通信作者),男,1982年出生,博士,副教授,博士研究生导师。主要研究方向为硬态切削理论、切削过程建模仿真及切削过程稳定性。E-mail:yuecaixu@hrbust.edu.cn
  • 作者简介:都建标,男,1993年出生,硕士研究生。主要研究方向为切削温度及刀具磨损。E-mail:djb324@163.com;刘献礼,男,1961年出生,博士,教授,博士研究生导师。主要研究方向为金属切削理论及刀具技术、数字化加工技术。E-mail:xlliu@hrbust.edu.cn;LIANG S Y,男,1958年出生,博士,教授,博士研究生导师。主要研究方向为智能制造、超精密加工技术。E-mail:steven.liang@me.gatech.edu;WANG Lihui,男,1959年出生,博士,教授,博士研究生导师。主要研究方向为切削加工工艺规划,分布式工艺系统规划。E-mail:lihui.wang@iip.kth.se;高海宁,男,1989年出生,博士研究生。主要研究方向为切削动力学。E-mail:18804622627@163.com;李恒帅,男,1996年出生,硕士研究生。主要研究方向为开放式数控系统。E-mail:17862727626@163.com
  • 基金资助:
    国家自然科学基金国际(地区)合作与交流(51720105009)、哈尔滨理工大学理工英才计划杰出青年(LGYC2018JQ015)哈尔滨理工大学青年拔尖人才支持计划(201507)资助项目。

Modeling Research on Transient Temperature Field of Rake Face on End Mills Considering Time-varying Heat Intensity and Time-varying Distribution Ratio

YUE Caixu1, DU Jianbiao1, LIU Xianli1, LIANG S Y2, WANG Lihui3, GAO Haining1, LI Hengshuai1   

  1. 1. The Lab of National and Local United Engineering for High-Efficiency Cutting & Tools, Harbin University of Science and Technology, Harbin 150080;
    2. George W. Woodruff School of Mechanical Engineering, Georgia Institute of Technology, Atlanta, 30332, USA;
    3. KTH Royal Institute of Technology, Stockholm, 25175, Sweden
  • Received:2018-11-01 Revised:2019-02-01 Online:2019-05-05 Published:2019-05-05

摘要: 高速周铣是一种加工范围广和生产效率高的机械加工方式,其加工过程中会出现大量铣削热,尤其是加工导热率较低的工件时更为显著,铣削温度上升和下降的周期性变化会加速刀具磨损,进而降低工件表面加工质量。由于目前在周铣加工研究中缺乏对铣刀前刀面瞬态温度场的研究,为此,综合考虑第二变形区时变性热强度、时变性热量分配比以及前角因素,提出了一种基于“移动热源法”的铣刀前刀面瞬态温度场建模方法。首先建立第一变形区热源影响下的铣刀前刀面瞬态温度场温升模型,其次建立第二变形区热源影响下的铣刀前刀面瞬态温度场温升模型,最后进行温升模型叠加计算,进而建立铣刀前刀面瞬态温度场模型。仿真与试验结果验证了模型的准确性,该模型将进一步为研究铣刀前刀面抗磨设计提供理论支持。

关键词: 前刀面瞬态温度场, 时变性热量分配比, 时变性热强度, 周铣

Abstract: High-speed peripheral milling is a kind of mechanical processing method with wide processing range and high production efficiency. There will be a lot of milling heat during the milling process, especially when the workpiece with low thermal conductivity is processed, the periodic change of milling temperature will accelerate tool wear, and then reduce the workpiece surface processing quality. Due to the lack of research on transient temperature field of rake face of end mills in the research of peripheral milling at present, against the context, a modeling method of transient temperature field of rake face of end mills is proposed based on "moving heat source method" considering the time-varying heat intensity, time-varying heat distribution ratio and rake angle in the second deformation zone. Firstly, transient temperature field of rake face of milling cutter under the influence of the first deformation zone heat source is developed. Then, transient temperature field of rake face of milling cutter under the influence of the second deformation zone heat source is developed. Finally, the temperature rise model superposition calculation is carried out, and then the prediction model of transient temperature field of rake face is modeled. The accuracy of the model is verified by simulation and experiments results, theoretical support be provided for further research on the wear resistance design of rake face of milling cutter.

Key words: peripheral milling, time-varying heat distribution ratio, time-varying heat intensity, transient temperature field of rake face

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