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TECHNICAL PAPERS

The Influence of Gear Design Parameters on Gear Tooth Damage Detection Sensitivity

[+] Author and Article Information
Lin Liu, Darryll J. Pines

Alfred Gessow Rotorcraft Center, Department of Aerospace Engineering, University of Maryland, College Park, MD 20742e-mail: djpterp@glue.umd.edu.

J. Mech. Des 124(4), 794-804 (Nov 26, 2002) (11 pages) doi:10.1115/1.1519275 History: Received June 01, 2001; Online November 26, 2002
Copyright © 2002 by ASME
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References

Figures

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Schematic graph of pitting
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Model of tooth root crack; (a) Idealized tooth root crack; (b) Modeling of crack
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Nomenclature for bending deflection
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Model of tooth wear: (a) Modeling of wear; (b) Trace of displacement caused by wear
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Calculation of tensile stress: (a) Location of critical point; (b) Determination of x dimension from a tooth layout
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Pitting effect on TE: (a) Pitting effect on TE for gear face width 0.75 in.; (b) Pitting effect on TE for gear face width 0.30 in.
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Face width effect on detection sensitivity: (a) Absolute damage detection sensitivity vs. face width; (b) Relative damage detection sensitivity vs. face width
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Diametral pitch effect on damage detection sensitivity for pitting: (a) Diametral pitch effect on absolute damage detection sensitivity; (b) Diametral pitch effect on relative damage detection sensitivity
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Pressure angle effect on damage detection sensitivity for pitting: (a) Pressure angle effect on absolute damage detection sensitivity; (b) Pressure angle effect on relative damage detection sensitivity
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Number of teeth effect on damage detection sensitivity for pitting: (a) Number of teeth effect on absolute damage detection sensitivity; (b) Number of teeth effect on relative damage detection sensitivity; (c) Number of teeth effect on absolute damage detection sensitivity; (d) Number of teeth effect on relative damage detection sensitivity; (e) Number of teeth effect on absolute damage detection sensitivity; (f ) Number of teeth effect on relative damage detection sensitivity
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Crack width effect on transmission error: (a) Tooth profile with crack width 0.1 percent of tooth height; (b) Transmission error with crack width 0.1 percent of tooth height; (c) Tooth profile with crack width 5 percent of tooth height; (d) Transmission error with crack width 0.1 percent of tooth height
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Crack width effect on detection sensitivity: (a) Crack width vs. absolute detection sensitivity; (b) Crack width vs. relative detection sensitivity
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Diametral pitch effect on detection sensitivity for crack: (a) diametral pitch vs. absolute detection sensitivity; (b) Diametral pitch vs. relative detection sensitivity
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Pressure angle effect on detection sensitivity for crack: (a) Pressure angle vs. absolute detection sensitivity; (b) Pressure angle vs. relative detection sensitivity
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Number of teeth effect on detection sensitivity for crack; (a) Number of teeth vs. absolute detection sensitivity; (b) Number of teeth vs. relative detection sensitivity
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Wear’s effect on transmission error
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Diametral pitch effect on detection sensitivity for wear: (a) Diametral pitch effect on absolute damage detection sensitivity; (b) Diametral pitch effect on relative damage detection sensitivity
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Pressure angle effect on detection sensitivity for wear: (a) Pressure angle effect on absolute damage detection sensitivity; (b) Pressure angle effect on relative damage detection sensitivity
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Number of teeth effect on detection sensitivity for wear: (a) Number of teeth effect on absolute damage detection sensitivity; (b) Number of teeth effect on relative damage detection sensitivity

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