Research on simulation of abrasive belt polishing process for blade finishing

As the key part of energy power equipment of turbine, aircraft engines and so on, blade has high requirement on profile accuracy and surface quality. The abrasive belt polishing technology can ensure the profile accuracy and higher surface quality of the blade surface, and improve the blade processing efficiency. In this paper, the abrasive belt polishing process was analyzed by simulating single abrasive grain belt polishing process. The model of abrasive belt grain was constructed. The plastic finite element method was used to simulate the single abrasive grain polishing process. The simulation processing was determined according to the characteristics of blade abrasive belt polishing. The polishing process under different polishing parameters was simulated, and the variation curves of polishing forces of single abrasive grain under different polishing parameters were obtained. Based on the developed hybrid polishing machine tool for blade finishing, a testing system for abrasive belt polishing force was built. Through polishing experiments, the influence rule of polishing parameters on the polishing force of abrasive belt is obtained, and the correctness of the simulation is verified by the consistency of the rule.