Journal of the Korean Society of Manufacturing Technology Engineers (한국생산제조학회지)

The Korean Society of Manufacturing Technology Engineers (한국생산제조학회)
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Signal Acquisition for Effective Prediction of Chatter Vibration in Milling Processes

밀링가공에서 효과적인 채터진동 판별을 위한 신호 획득

  • Jo, M.H. (School of Mechanical Engineering, Pusan National Univ.) ;
  • Kim, H. (School of Mechanical Engineering, Pusan National Univ.) ;
  • Koo, J.Y. (School of Mechanical Engineering, Pusan National Univ.) ;
  • Lee, J.H. (Dept. of Mechatronics Engineering, Korea Polytechnic Air Colleges) ;
  • Kim, Jeong Suk (School of Mechanical Engineering, ERC/NSDM, Pusan National Univ.)
  • Received : 2014.05.08
  • Accepted : 2014.06.24
  • Published : 2014.08.15
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Abstract

This paper proposes a method to predict chatter vibration generated in milling processes and to enhance machining quality and surface finish. Chatter vibration is a common problem in the milling of thin walls and floors. It causes a poor surface finish, or even marks, to appear on the final machined surface. Therefore, an effective method is necessary to predict chatter vibration in machine tools. In this investigation, chatter vibration is measured by an accelerometer, microphone, and Acoustic Emission (AE) sensor in a machining operation. Based on the results of the experiment, a microphone can be applied for the prediction of chatter vibration in milling processes.

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References

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