Deformation and Bending Stress Analysis of a Three-dimensional, Thin-rimmed Gear

[+] Author and Article Information
Shuting Li

Teijin Seiki Co., Ltd, Oak-Hills 202, Heki-cho 7028-2, Hisai-shi, Mie-ken, 514-1138, Japane-mail: j-ri@teijinseiki.co.jp

J. Mech. Des 124(1), 129-135 (Jan 01, 2001) (7 pages) doi:10.1115/1.1427928 History: Received August 01, 2000; Revised January 01, 2001
Copyright © 2002 by ASME
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Arai,  N., Harada,  S., and Aida,  T., 1981, “Study on bending Strength of a Thin-rimmed Spur Gear (In Japanese),” JSME Int. J. Ser. C, , 47, No. 413, pp. 47–56.
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Ishida,  T., and Hidaka,  T., 1994, “Stress of Planet Gear with Thin Rim,” Gear Technology, 11, No. 2, pp. 26–31.
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Lewicki,  D. G., and Ballarini,  R., 1997, “Effect of Rim Thickness on Gear Crack Propagation Path,” ASME J. Mech. Des., 119, pp. 88–95.
Graziano, C., Francesco, A. R., Dario, G., and Carlo, B., 1991, “Three-dimensional, Stress Analysis of Thin-Rimmed Gears,” MPT’91 JSME International Conference on Motion and Powertransmissions, Nov., Hiroshima, Japan, pp. 787–794.
Tessema,  A., Walton,  D., and Weale,  D., 1995, “Effect of Web & Flange Thickness on Nonmetallic Gear Performance,” Gear Technology, Nov.-Dec., pp. 30–35.
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Grahic Jump Location
FEM model (Elements=42416 Notes=51935)
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Tooth load at worst load point
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Rim radial dimensionless deformation (Butterfly-like curve)
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Tooth longitudinal distribution of the rim radial dimensionless deformation
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Web dimensionless deformation
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Positions of strain gauges
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Root strain comparison; (a) strain at measurement point 1; (b) strain at measurement point 2; (c) strain at measurement point 3; (d) strain at measurement point 4
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Tooth longitudinal distributions of root stresses at 30° tangential line
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Stress distributions along tooth profile
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Position of critical stress points
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Rim circle equivalent stress
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Six stress components of rim circle ②
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Relationship between rim thickness and the root and the joint equivalent stress
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Contour lines of web equivalent stress
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Radial distribution of web stress
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Pressure angle versus root stress and joint stress
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Module versus root stress and joint stress




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