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  1. sac14

    Planetary gears set with compound planet gear

    Hi all, I want to model planetary gearset having compound planet gear i.e. One gear of compound planet is meshing with ring gear and the other gear meshing with sun gear. Does anyone knows how to model this scenario using KISSsoft. The current planetary module avialable in KISSsoft allows only...
  2. sac14

    Planetary sizing

    That's a good suggestion. Currently I am using 3 number of planets, let me try with more than 3 number of planets. Thanks you.
  3. sac14

    Planetary sizing

    I am calculating ratio using (Sun no of teeth + Ring no of teeth)/Sun teeth. With this formula I get reduction ratio of 3 but if I use the formula, Reduction ratio = (2 x ring_diameter/sun_diameter) -1 then I get higher than 3.
  4. sac14

    Planetary sizing

    Thnaks Brian. Yes, my previous experiece has been with planetary design of tractor transmissions as a final rediction ratio. Where we had sun gear teeth cut on the sunshaft and we always had configurations where sun teeth were lesser than planet. But as you say it is not the case most of the...
  5. sac14

    Planetary sizing

    Hi, I am sizing planetary gear set for an automotive transmission using KISSsys. But when I use its rough sizing feature I get large number of teeth on sun gear as compared to planet gears. My previous experience is always sun gear teeth are lower than planet gears. So wanted to understand if...

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