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Thread: Mass Inertia calculation of Planetary gearbox

  1. #1
    Associate Engineer
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    Nov 2017
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    Mass Inertia calculation of Planetary gearbox

    Does anybody know the formula to calculate mass Inertia of planetary gearbox? It's 32mm size gearbox with 3 stage, 100 ratio, 175gm weight, 6000 input speed & can take a load of 4.5 Mm at output shaft.plz help.

  2. #2
    Administrator Kelly Bramble's Avatar
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    Feb 2011
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    You need the mass moment of inertia for each gear.. then sum the inertia's see:

    https://www.engineersedge.com/mechan...ions_13091.htm
    Tell me and I forget. Teach me and I remember. Involve me and I learn.

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