高速干切滚齿工艺滚刀切削刃载荷分布特性研究

doi:10.3901/JME.2017.15.181

机械工程学报 ›› 2017, Vol. 53 ›› Issue (15): 181-187.doi: 10.3901/JME.2017.15.181

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高速干切滚齿工艺滚刀切削刃载荷分布特性研究

陈永鹏¹, 曹华军², 杨潇²

1. 重庆交通大学城市轨道交通系统集成与控制重庆市重点实验室重庆 400074;
2. 重庆大学机械传动国家重点实验室重庆 400044

收稿日期:2016-10-03 修回日期:2017-02-26 出版日期:2017-08-05 发布日期:2017-08-05
通讯作者: 陈永鹏(通信作者),男,1987年出生,博士,讲师,硕士研究生导师。主要研究方向为金属绿色切削工艺及理论,齿轮绿色切削工艺与装备。E-mail:ypchen@cqjtu.edu.cn
作者简介:曹华军,男,1978年出生,博士,教授,博士研究生导师。主要研究方向为绿色切削工艺与装备、再制造和低碳制造。E-mail:hjcao@cqu.edu.cn;杨潇,男,1987年出生,博士研究生。主要研究方向为齿轮绿色切削工艺与装备。E-mail:yangxiao878@126.com
基金资助:
国家自然科学基金（51475058）、重庆市基础与前沿研究计划（cstc2016jcyjA0109）和重庆市教委科学技术研究（KJ1705134）资助项目。

Research on Load Distribution Characteristic on the Cutting Edge in High Speed Gear Hobbing Process

CHEN Yongpeng¹, CAO Huajun², YANG Xiao²

1. Chongqing Key laboratory of Urban Rail Vehicle System Integration & Control, Chongqing Jiaotong University, Chongqing 400074;
2. State Key Laboratory of Mechanical Transmission, Chongqing University, Chongqing 400044

Received:2016-10-03 Revised:2017-02-26 Online:2017-08-05 Published:2017-08-05

摘要/Abstract

摘要： 高速干切滚齿工艺是一种发展迅速的齿轮绿色制造工艺，但干切条件下刀具容易磨损，特别是滚切工艺材料去除过程的复杂性，导致切削刃的载荷分布不均，刀具局部磨损严重，影响该工艺的经济性。面向齿轮滚切工艺的材料去除过程，提出了基于三维切屑的切削刃载荷计算方法，根据不同切屑几何获得相应单刃切削载荷分布状态及批量加工中切削刃的平均载荷分布状态。通过仿真计算和滚切试验案例，对比分析了切削刃载荷分布与切削刃实际磨损的关系，发现侧刃和顶刃过度圆弧处切削载荷最大，切削刃磨损也最严重，验证了该方法的有效性。最后，基于该方法分析了滚切进给方向和进给量对切削刃载荷分布的影响，其结论对于生产实践中控制刀具磨损具有指导意义。

关键词: 高速干切滚齿, 滚刀磨损, 切削载荷, 载荷分布

Abstract: High-speed dry hob cutting technology is rapidly developing as a green manufacturing technology for gear. But the cutting tool would wear quickly in condition of dry cutting. Especially, non-uniform load distribution on the cutting edge, which is induced by the complexity of the material removal process during gear hobbing, causes serious localized wear, and it affects the economy of this technology. This article is oriented to the material removal process of gear hobbing process. And calculation method of the load distribution on the cutting edge is proposed based on the 3D chip geometry. By the proposed method, the load distribution on single cutting edge is acquired with corresponding chip geometry, and the general load distribution on cutting edge in the actual batch processing is formed. Then a case of simulation and high-speed hobbing experiment is proposed. By comparative analysis of the relationship between load distribution and wear of the cutting edge, the effectiveness of this method is validated. It is found that the cutting load on the fillet arc between the side edge and top edge is maximal and the cutting edge wear is also the most serious. Finally, the influence of feed direction and feed rate on cutting load distribution is analyzed based on the proposed method. The corresponding conclusion is of guiding significance for the control of tool wear in production practice.

Key words: cutting load, high speed dry hobbing, hob wear, load distribution

中图分类号:

TG61

陈永鹏, 曹华军, 杨潇. 高速干切滚齿工艺滚刀切削刃载荷分布特性研究[J]. 机械工程学报, 2017, 53(15): 181-187.

CHEN Yongpeng, CAO Huajun, YANG Xiao. Research on Load Distribution Characteristic on the Cutting Edge in High Speed Gear Hobbing Process[J]. Journal of Mechanical Engineering, 2017, 53(15): 181-187.

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高速干切滚齿工艺滚刀切削刃载荷分布特性研究

Research on Load Distribution Characteristic on the Cutting Edge in High Speed Gear Hobbing Process

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