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TECHNICAL PAPERS

Using Dynamic Analysis for Compact Gear Design

[+] Author and Article Information
Ping-Hsun Lin, Hsiang Hsi Lin

Department of Mechanical Engineering, The University of Memphis, Memphis, TN 38152

Fred B. Oswald, Dennis P. Townsend

National Aeronautics and Space Administration, Glenn Research Center, Cleveland, OH 44135

J. Mech. Des 124(1), 91-97 (Jul 01, 1999) (7 pages) doi:10.1115/1.1423637 History: Received July 01, 1999
Copyright © 2002 by ASME
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References

Lin, H. H., Wang, J., Oswald, F. B., and Coy, J. J., 1993, “Effect of Extended Tooth Contact on the Modeling of Spur Gear Transmissions,” AIAA-93-2148.
Lin,  H. H., Townsend,  D. P., and Oswald,  F. B., 1989, “Profile Modification to Minimize Spur Gear Dynamic Loading,” Proc. of ASME 5th Int. Power Trans. and Gearing Conf., Chicago, IL, 1, pp. 455–465.
Liou,  C. H., Lin,  H. H., and Oswald,  F. B., 1992, “Effect of Contact Ratio on Spur Gear Dynamic Load,” Proc. of ASME 6th Int. Power Trans. and Gearing Conf., Phoenix, AZ, 1, pp. 29–33.
Bowen,  C. W., 1978, “The Practical Significance of Designing to Gear Pitting Fatigue Life Criteria,” ASME J. Mech. Des., 100, pp. 46–53.
Gay,  C. E., 1970, “How to Design to Minimize Wear in Gears,” Mach. Des., 42, pp. 92–97.
Coy,  J. J., Townsend,  D. P., and Zaretsky,  E. V., 1979, “Dynamic Capacity and Surface Fatigue Life for Spur and Helical Gears,” ASME J. Lubr. Technol., 98, No. 2, pp. 267–276.
Anon, 1965, “Surface Durability (Pitting) of Spur Gear Teeth,” AGMA Standard 210.02.
Rozeanu, L., and Godet, M., 1977, “Model for Gear Scoring,” ASME Paper 77-DET-60.
Savage,  M., Coy,  J. J., and Townsend,  D. P., 1982, “Optimal Tooth Numbers for Compact Standard Spur Gear Sets,” ASME J. Mech. Des., 104, pp. 749–758.
Carroll,  R. K., and Johnson,  G. E., 1984, “Optimal Design of Compact Spur Gear Sets,” ASME J. Mech., Transm., Autom. Des., 106, pp. 95–101.
Andrews,  G. C., and Argent,  J. D., 1992, “Computer Aided Optimal Gear Design,” Proc. of ASME 6th Int. Power Trans. and Gearing Conf., Phoenix, AZ, 1, pp. 391–396.
Savage,  M., Lattime,  S. B., Kimmel,  J. A., and Coe,  H. H., 1992, “Optimal Design of Compact Spur Gear Reductions,” Proc. of ASME 6th Int. Power Trans. and Gearing Conf., Phoenix, AZ, 1, pp. 383–390.
Wang,  H. L., and Wang,  H. P., 1994, “Optimal Engineering Design of Spur Gear Sets,” Mech. Mach. Theory, 29, No. 7, pp. 1071–1080.
Cornell,  R. W., 1981, “Compliance and Stress Sensitivity of Spur Gear Teeth,” ASME J. Mech. Des., 103, pp. 447–459.
Heywood, R. B., 1952, Designing by Photoelasticity, Chapman and Hall, Ltd.
Townsend, D. P., 1992, Dudley’s Gear Handbook, 2nd edition, McGraw-Hill Inc.
South, D. W., and Ewert, R. H., 1992, Encyclopedic Dictionary of Gears and Gearing, McGraw-Hill.
Shigley, J. E., and Mitchell, L. D., 1983, Mechanical Engineering Design, 4th Ed., McGraw-Hill.
Shigley, J. E., and Mischke, C. R., 1989, Mechanical Engineering Design, 5th Ed., McGraw-Hill.
Oswald,  F. B., Townsend,  D. P., Rebbechi,  B., and Lin,  H. H., 1996, “Dynamic Forces in Spur Gears-Measurement, Prediction, and Code Validation,” Proc. of ASME 7th Int. Power Trans. and Gearing Conf., San Diego, CA, 9–15.

Figures

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Tooth geometry nomechlature for root stress calculations 14
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Design space of stress constraints for sample gears.
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Design space to determine optimal gear set of sample gears at an input speed of 1120 rpm. (a) Required number of pinion teeth versus diametral pitch. (b) Center distance versus diametral pitch.
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Effects of speed on pinion tooth number and center distance of optimal gear sets using DANST for dynamic analysis. (a) Required number of pinion teeth versus speed. (b) Center distance versus speed.
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Three-dimensional design space and contour diagram of sample gears using DANST for dynamic analysis. (a) Three-dimensional design space. (b) Contour plot.
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Required center distance of sample gears using AGMA high precision formula for dynamic analysis.

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