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Load Distribution in Planetary Gears - May/June 2001

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Archive > 2001 > May/June 2001 > Load Distribution in Planetary Gears

The article "Load Distribution in Planetary Gears " appeared in the May/June 2001 issue of Gear Technology.

Summary
Two-shaft planetary gear drives are power-branching transmissions, which lead the power from input to output shaft on several parallel ways. A part of the power is transferred loss-free as clutch power. That results in high efficiency and high power density. Those advantages can be used optimally only if an even distribution of load on the individual branches of power is ensured. Static over-constraint, manufacturing deviations and the internal dynamics of those transmission gears obstruct the load balance. With the help of complex simulation programs, it is possible today to predict the dynamic behavior of such gears. The results of those investigations consolidate the approximation equations for the calculation of the load factors...

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