This paper presents procedures for designing compact spur gear sets with the objective of minimizing the gear size. The allowable tooth stress and dynamic response are incorporated in the process to obtain a feasible design region. Various dynamic rating factors were investigated and evaluated. The constraints of contact stress limits and involute interference combined with the tooth bending strength provide the main criteria for this investigation. A three-dimensional design space involving the gear size, diametral pitch, and operating speed was developed to illustrate the optimal design of spur gear pairs. The study performed here indicates that as gears operate over a range of speeds, variations in the dynamic response change the required gear size in a trend that parallels the dynamic factor. The dynamic factors are strongly affected by the system natural frequencies. The peak values of the dynamic factor within the operating speed range significantly influence the optimal gear designs. The refined dynamic factor introduced in this study yields more compact designs than AGMA dynamic factors.
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e-mail: hlin1@memphis.edu
e-mail: Fred.B.Oswald@grc.nasa.gov
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March 2002
Technical Papers
Using Dynamic Analysis for Compact Gear Design
Ping-Hsun Lin,
e-mail: hlin1@memphis.edu
Ping-Hsun Lin
Department of Mechanical Engineering, The University of Memphis, Memphis, TN 38152
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Hsiang Hsi Lin,
Hsiang Hsi Lin
Department of Mechanical Engineering, The University of Memphis, Memphis, TN 38152
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Fred B. Oswald,
e-mail: Fred.B.Oswald@grc.nasa.gov
Fred B. Oswald
National Aeronautics and Space Administration, Glenn Research Center, Cleveland, OH 44135
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Dennis P. Townsend
Dennis P. Townsend
National Aeronautics and Space Administration, Glenn Research Center, Cleveland, OH 44135
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Ping-Hsun Lin
Department of Mechanical Engineering, The University of Memphis, Memphis, TN 38152
e-mail: hlin1@memphis.edu
Hsiang Hsi Lin
Department of Mechanical Engineering, The University of Memphis, Memphis, TN 38152
Fred B. Oswald
National Aeronautics and Space Administration, Glenn Research Center, Cleveland, OH 44135
e-mail: Fred.B.Oswald@grc.nasa.gov
Dennis P. Townsend
National Aeronautics and Space Administration, Glenn Research Center, Cleveland, OH 44135
Contributed by the Power Transmission & Gearing Committee for publication in the JOURNAL OF MECHANICAL DESIGN. Manuscript received July 1999. Associate Editor: R. F. Handschuh.
J. Mech. Des. Mar 2002, 124(1): 91-97 (7 pages)
Published Online: July 1, 1999
Article history
Received:
July 1, 1999
Citation
Lin, P., Lin, H. H., Oswald, F. B., and Townsend, D. P. (July 1, 1999). "Using Dynamic Analysis for Compact Gear Design." ASME. J. Mech. Des. March 2002; 124(1): 91–97. https://doi.org/10.1115/1.1423637
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