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Recent content by tncarroll

  1. tncarroll

    Crossed Axis Helical Surface Compressive Stress

    I'm designing a hand operated lifting mechanism using a crossed axis helical gearset with a 40:1 ratio. As this gives a point contact, the compressive stress on the tooth surface is in the neighborhood of 200 ksi, and I'm having difficulty reducing this. Some things I've tried: (a) increased...

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