Detecting Gear Tooth Breakage Using Acoustic Emission: a Feasibility and Sensor Placement Study

Author:

Singh A.1,Houser D. R.2,Vijayakar S.3

Affiliation:

1. GM Powertrain Group, General Motors Corporation, 37350 Ecorse Road Romulus, Michigan 48174

2. Department of Mechanical Engineering, The Ohio State University, 208 W. 18th Avenue Columbus, Ohio 43210

3. Advanced Numerical Solutions, 3554 Mark Twain Court, Hilliard, Ohio

Abstract

Vibration and debris monitoring methods are being increasingly used to detect gear tooth breakage. In this paper an alternate method of detecting gear tooth cracking is investigated. It is based on the phenomenon of acoustic emission (AE). The detectability of growing cracks using AE is established. Before this method can be used to detect crack growth in real systems, the transmissibility of these waves has to be studied. These waves have to propagate across a number of mechanical interfaces as they travel from the source to the sensor. The loss in strength of these waves at various interfaces commonly encountered in mechanical systems is studied in this paper.

Publisher

ASME International

Subject

Computer Graphics and Computer-Aided Design,Computer Science Applications,Mechanical Engineering,Mechanics of Materials

Reference17 articles.

1. Bell R. L. , “A Progress Report on the use of Acoustic Emission to Detect Incipient Failure in Nuclear Pressure Vessels,” Nuclear Safety, Vol. 15, No. 5, pp. 554–571, Sep.–Oct. 1974.

2. Boulahbal, D., Golnaraghi, M. F., and Ismail, F., “Detection of Fatigue Cracks in Gears with the Continuous Wavelet Transform,” AGMA Fall Technical Meeting, Paper 97FTM3, 1997.

3. Braun S. G. , and SethB. B., “On the Extraction and Filtering of Signals Acquired from Rotating Machines,” Journal of Sound and Vibration, Vol. 65, No. 1, pp. 37–50, 1979.

4. Brennan, M. J., Chen, M. H., and Reynolds, A. G., “Use of Vibration Measurements to Detect Local Tooth Defects in Gears,” Sound and Vibration, pp. 12–17, Nov. 1997.

5. Castagnede, B., Sachse, W., and Kim, K. Y., “Location of Pointlike Acoustic Emission Sources in Anisotropic Plates,” Journal of the Acoustical Society of America, pp. 1161–1171, Sep. 1989.

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