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Dynamic Behavior of Planetary Gears - June 2020

Dr.-Ing. Burkhard Pinnekamp, Dr.-Ing. Michael Heider, and M.Sc. Andreas Beinstingel

The article "Dynamic Behavior of Planetary Gears" appeared in the June 2020 issue of Power Transmission Engineering.

Summary
In planetary gear systems of high power density and high gear ratio, helical gears create undesirable tilting moments on the planet gears; therefore, spur gears are still preferred for planetary gears -- a special challenge with respect to noise. Specifically, the different behavior of planetary gears with sequential and symmetric gear mesh is explained in this paper.

Keywords
planetary gears, Rexnord, gear drives

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