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

被引：7
|
作者：
Chen Y. [1 ]
Cao H. [2 ]
Yang X. [2 ]
机构：
[1] Chongqing Key laboratory of Urban Rail Vehicle System Integration & Control, Chongqing Jiaotong University, Chongqing
[2] State Key Laboratory of Mechanical Transmission, Chongqing University, Chongqing
来源：
Jixie Gongcheng Xuebao | / 15卷 / 181-187期
关键词：
Cutting load; High speed dry hobbing; Hob wear; Load distribution;
D O I：
10.3901/JME.2017.15.181
中图分类号：
学科分类号：
摘要：
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. © 2017 Journal of Mechanical Engineering.
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页码：181 / 187
页数：6
相关论文
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