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Recent content by TCookie

  1. TCookie

    Planetary Gearbox Noise Reduction and Tolerancing

    plasgears, First off, thanks for the response. I'm not sure I can go to helicals, because it means a lot of little bearings all over the place. In my design, everything is a bit on the edge, including the pins and carriers, so adding an additional force might not be good in terms of cost and...
  2. TCookie

    Planetary Gearbox Noise Reduction and Tolerancing

    Hi, I'm a young engineer working out the details of a planetary gearbox for a power wheelchair. I have a 4.5K RPM motor, and need to get a total reduction of ~30:1 I have a few solutions worked out, with my favorite coming in at ~28:1 in two stages. I am concerned about the noise produced by...

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