Precision control and compensation of helical gear hobbing via electronic gearbox Cross-Coupling controller

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• 作者：Xiao-Qing Tian (1)
  Jiang Han (1)
  Lian Xia (1)
  
  1. School of Mechanical and Automotive Engineering ; Hefei University of Technology ; Hefei ; 230009 ; China
  
• 关键词：Electronic gearbox (EGB) ; Cross ; coupling controller ; Gear generation process ; Hobbing
• 刊名：International Journal of Precision Engineering and Manufacturing
• 出版年：2015
• 出版时间：April 2015
• 年：2015
• 卷：16
• 期：4
• 页码：797-805
• 全文大小：1,259 KB
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• 刊物类别：Engineering
• 刊物主题：Industrial and Production Engineering
  Materials Science
  
• 出版者：Korean Society for Precision Engineering, in co-publication with Springer Verlag GmbH
• ISSN：2005-4602

文摘

The gear generation process is strongly dependent on the accuracy of the multi-axis relative motion, which is controlled by the electronic gearbox (EGB). This research mainly focuses on helical gear hobbing and on EGB control error analysis, estimation and compensation in the generation process of a gear hobbing machine. First, a simple approach for estimation of the helical gear pitch error and the spiral line contour error is proposed. Then, in conjunction with this estimation method, an EGB cross-coupling controller (ECCC) architecture, which is connected by the EGB and the cross-coupling controller, is presented. Simulation results show that the proposed ECCC has higher control accuracy than an uncoupled controller, and its control accuracy can be further improved using friction compensation. Finally, experiments are conducted on an YS3118 six-axis hobbing machine. The helical gears machined using this machine have high precision. In addition, the proposed ECCC architecture can be implemented easily on most motion systems that are in current use.