A path planning method for error region grinding of aero-engine blades with free-form surface

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• 作者：Jianhua Yang ; Dinghua Zhang ; Baohai Wu…
• 关键词：Error region ; Belt grinding ; Aero ; engine blade ; Path planning
• 刊名：The International Journal of Advanced Manufacturing Technology
• 出版年：2015
• 出版时间：October 2015
• 年：2015
• 卷：81
• 期：1-4
• 页码：717-728
• 全文大小：1,893 KB
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• 作者单位：Jianhua Yang (1)
  Dinghua Zhang (1)
  Baohai Wu (1)
  Ying Zhang (1)
  Ming Luo (1)
  
  1. Key Laboratory of Contemporary Design and integrated Manufacturing Technology, Northwestern Polytechnical University, Xi鈥檃n, China
  
• 刊物类别：Engineering
• 刊物主题：Industrial and Production Engineering
  Production and Logistics
  Mechanical Engineering
  Computer-Aided Engineering and Design
  
• 出版者：Springer London
• ISSN：1433-3015

文摘

In the finish machining of aero-engine blades, the error of some partial area may exceed the design tolerance forming error region. The paper presents a path planning method of belt grinding for error region. Firstly, the process of error region grinding and the configuration of abrasive belt wheel are indicated. Then, error distribution and error region are obtained based on design tolerance and data processing. There are leading angle and screw angle defined to determine abrasive belt wheel location and orientation due to contact situation between abrasive belt wheel and blade surface. In addition, the grinding path is corrected and the locations are interpolated to determine the final path which guarantees to cover the entire error region and grinding steadily. At last, a simulation on VERICUT software and a blade grinding experiment are implemented to verify the present method which improves machining efficiency and machining accuracy. Keyword Error region Belt grinding Aero-engine blade Path planning