On-Line Chatter Detection Using Wavelet-Based Parameter Estimation

[+] Author and Article Information
Taejun Choi

Graduate Research Assistant

Yung C. Shin

School of Mechanical Engineering, Purdue University, West Lafayette, IN 47907

J. Manuf. Sci. Eng 125(1), 21-28 (Mar 04, 2003) (8 pages) doi:10.1115/1.1531113 History: Received October 01, 2000; Revised February 01, 2002; Online March 04, 2003
Copyright © 2003 by ASME
Your Session has timed out. Please sign back in to continue.



Grahic Jump Location
A comparison of wavelet coefficients between stable and unstable turning processes
Grahic Jump Location
(a) Vibration signal under stable cut (b) histogram of the signal and Gaussian probability density function (pdf) with the same mean and standard deviation as in the cutting signal (mean: −0.0382, standard deviation: 2.21)
Grahic Jump Location
Flow chart for implementing the applied algorithm
Grahic Jump Location
Acceleration signals and corresponding chatter indexes. Conventional turning with the 45 deg tool, a spindle speed of 1250 rpm and a feed of 0.0965 mm/rev. (a) depth of cut=1.62 mm (b) depth of cut=2.49 mm (•: estimation point).
Grahic Jump Location
Conventional turning with the same setup as in Fig. 2 (•:estimation point)
Grahic Jump Location
Test points to determine the critical depth of cut at 680 rpm
Grahic Jump Location
FFT plots of x-force signals and estimation of γ at the critical points (•: estimation point)
Grahic Jump Location
Experimental test points (Range 1900–2700 rpm)
Grahic Jump Location
FFT plots of x-force signals and estimation of γ to validate the selected threshold (•: estimation point)
Grahic Jump Location
X-force signals and estimated γ values at test point EE, Y and Z (•: estimation point)




Some tools below are only available to our subscribers or users with an online account.

Related Content

Customize your page view by dragging and repositioning the boxes below.

Related Journal Articles
Related eBook Content
Topic Collections

Sorry! You do not have access to this content. For assistance or to subscribe, please contact us:

  • TELEPHONE: 1-800-843-2763 (Toll-free in the USA)
  • EMAIL: asmedigitalcollection@asme.org
Sign In