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  1. 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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