Review

Current situation and development trend of robot precise belt grinding for aero-engine blade

  • HUANG Yun ,
  • XIAO Guijian ,
  • ZOU Lai
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  • State Key Laboratory of Mechanical Transmissions, Chongqing University, Chongqing 400044, China

Received date: 2018-07-02

  Revised date: 2018-07-23

  Online published: 2018-08-16

Supported by

National Natural Science Foundation of China (51705047); Major projects of aero engines and gas turbines (2017-VⅡ-002-0095); The fundamental Research Funds for the Central Universities (2018CDQYCD0038); Technological Innovation and Application Demonstration of Chongqing (cstc2018jszx-cyzd0092)

Abstract

The profile precision and high surface quality of aero-engine blade are very important to the air flow dynamics and performance of the aero engine. Robot belt grinding is one of the effective processing method to improve the blade surface integrity due to its good flexibility, easy operation and strong commonality. However, industrial robots are generally suitable for rough machining. For the semi-precision machining and precision machining, the key problem to determine the surface quality is the positioning accuracy of the robots. The current situation and development trend of robot precise belt grinding for aero-engine blade is summarized to provide reference for the development of blade precise grinding technology and its automation. Firstly, the structure and systems of robot belt grinding for blade are reviewed, and the mechanism of robot belt grinding is analyzed from the aspects of the grinding contact profile type, the law of material removal and surface integrity. Secondly, the robot belt grinding trajectory planning is summarized based on the CAD model, the mathematical model and artificial knowledge learning. And then, the motion control technology of robot belt grinding is introduced, and the integrated technology is analyzed. Finally, the current situation of robot precise belt grinding for aero-engine blade is summarized, and the development trend is analyzed.

Cite this article

HUANG Yun , XIAO Guijian , ZOU Lai . Current situation and development trend of robot precise belt grinding for aero-engine blade[J]. ACTA AERONAUTICAET ASTRONAUTICA SINICA, 2019 , 40(3) : 22508 -022508 . DOI: 10.7527/S1000-6893.2018.22508

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