The authors propose an approach for the design of one-stage planetary gear train with reduced transmission errors, localized bearing contact and improved conditions of distribution of load between the planetary gears. The planetary gear train is considered as a multi-body mechanical system of rigid bodies. The proposed approach is based: (i) on modification of geometry of gear tooth surfaces, and (ii) minimization and equalization of the backlash between the contacting gear tooth surfaces. The modification of geometry is accomplished: (i) by double-crowning of planetary gears, and (ii) by application of screw involute surfaces of the same direction of screws for the sun and the ring gears. The proposed geometry enables: (i) predesign of parabolic function of transmission errors for reduction of noise and vibration, and (ii) a simple method of regulation and equalization of the backlash between the gear tooth.
Design of One Stage Planetary Gear Train With Improved Conditions of Load Distribution and Reduced Transmission Errors
Contributed by the Design Theory and Methodology Committee for publication in the JOURNAL OF MECHANICAL DESIGN. Manuscript received March 2001. Associate Editor: M. Raghavan.
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Litvin , F. L., Vecchiato , D., Demenego, A., Karedes , E., Hansen, B., and Handschuh, R. (November 26, 2002). "Design of One Stage Planetary Gear Train With Improved Conditions of Load Distribution and Reduced Transmission Errors ." ASME. J. Mech. Des. December 2002; 124(4): 745–752. https://doi.org/10.1115/1.1515797
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