Aerodynamic noise generated in high speed face milling cutters is usually much higher than the noise exposure limit set by OSHA. Experiments were conducted on two different face milling cutters to understand the aerodynamic noise generation in face milling cutters. It is observed that dipole sources of noise are most important in determining the noise generation in rotating face milling cutters. The aerodynamic noise spectrum consists of discrete tones at the rotational frequency and a broad range of higher frequencies, with the broadband spectrum contributing significantly to overall noise. A mathematical model based on the Ffowcs Williams-Hawkings Equation is used to predict (un-weighted) aerodynamic noise. The noise predicted compares well with the experimental observations. The cutter gullet shape was found to be an important factor in determining broadband noise.
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e-mail: sgkapoor@uiuc.edu
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February 2007
Technical Papers
Modeling and Analysis of Aerodynamic Noise in Milling Cutters
Karthikeyan Sampath,
Karthikeyan Sampath
Graduate Research Assistant
Department of Mechanical and Industrial Engineering,
University of Illinois at Urbana-Champaign
, Urbana, IL 61801
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Shiv G. Kapoor,
Shiv G. Kapoor
Professor
Fellow ASME
Department of Mechanical and Industrial Engineering,
e-mail: sgkapoor@uiuc.edu
University of Illinois at Urbana-Champaign
, Urbana, IL 61801
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Richard E. DeVor
Richard E. DeVor
Professor
Fellow ASME
Department of Mechanical and Industrial Engineering,
University of Illinois at Urbana-Champaign
, Urbana, IL 61801
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Karthikeyan Sampath
Graduate Research Assistant
Department of Mechanical and Industrial Engineering,
University of Illinois at Urbana-Champaign
, Urbana, IL 61801
Shiv G. Kapoor
Professor
Fellow ASME
Department of Mechanical and Industrial Engineering,
University of Illinois at Urbana-Champaign
, Urbana, IL 61801e-mail: sgkapoor@uiuc.edu
Richard E. DeVor
Professor
Fellow ASME
Department of Mechanical and Industrial Engineering,
University of Illinois at Urbana-Champaign
, Urbana, IL 61801J. Manuf. Sci. Eng. Feb 2007, 129(1): 5-11 (7 pages)
Published Online: May 10, 2006
Article history
Received:
July 15, 2004
Revised:
May 10, 2006
Citation
Sampath, K., Kapoor, S. G., and DeVor, R. E. (May 10, 2006). "Modeling and Analysis of Aerodynamic Noise in Milling Cutters." ASME. J. Manuf. Sci. Eng. February 2007; 129(1): 5–11. https://doi.org/10.1115/1.2335861
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