吉林大学学报(工学版) ›› 2016, Vol. 46 ›› Issue (3): 831-838.doi: 10.13229/j.cnki.jdxbgxb201603023

• Orginal Article • Previous Articles     Next Articles

Form grinding error analysis of precision screw rotor profiles

SHEN Zhi-huang1, YAO Bin1, 2, LU Ru-sheng1, FENG Wei1, ZHANG Xiang-lei1, WANG Meng-meng1   

  1. 1.School of Physics and Mechanical & Electrical Engineering, Xiamen University, Xiamen 361005, China;;
    2.School of Mechanical Engineering, Shanxi University of Technology, Hanzhong 723001, China
  • Received:2014-07-23 Online:2016-06-20 Published:2016-06-20

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Abstract: In order to comprehensively analyze the influence of the grinding process system error on the manufacturing precision of rotor profile, a new method of error analysis of rotor profile is presented. This method consists of five independent error models and one synthetic error model. The machined rotor profiles are calculated by the error models, and the effects of center distance error, offset error, axial position error, setting angle error and pitch error on rotor profile are then revealed. Finally, the error of rotor profile is compensated based on the above error analysis and the tolerance is controlled within 0.01 mm. The results show that the proposed method can be well used to improve the manufacturing precision of rotor profile.

Key words: automation of mechanical manufacturing, screw rotor, grinding, forming tool, profile, machining error

CLC Number: 

  • TH455
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