吉林大学学报(工学版) ›› 2015, Vol. 45 ›› Issue (2): 448-453.doi: 10.13229/j.cnki.jdxbgxb201502017

• Orignal Article • Previous Articles     Next Articles

Modeling of joint site of end milling processing system and dynamic characteristics prediction

LIU Yu, LI Qing-xiang   

  1. School of Mechanical Engineering and Automation, Northeastern University, Shenyang 110819, China
  • Received:2013-06-28 Online:2015-04-01 Published:2015-04-01

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Abstract: A two points Receptance Coupling Subsystem Algorithm (RCSA) model is proposed at the joint site of tool subsystem and holder subsystem of an end milling processing system. The displacement receptance of tool point was obtained according to the RCSA model. Harmonic response analysis was carried out to get the displacement receptance of tool subsystem and holder subsystem using ANSYS software. Matlab was adopted to write the program of two points RCSA. Data from ANSYS were used to calculate the displacement receptance of the tool point. A finite element model of the system, including tool subsystem and holder subsystem, was established in ANSYS, and displacement receptance of tool point was obtained. The results of the RCSA model and finite element model were compared and relative error of the two models was calculated. The relative error is less than 0.7% in the frequency range concerned. Experiment was conducted, and the experiment results and theoretical results are in good agreement.

Key words: mechanical design, two point coupling, receptance coupling, end milling, tool point

CLC Number: 

  • TH113.1
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