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  1. swcadguy

    timing pulley ratios

    I feel dumb asking this but I am trying to find the how much a pulley will turn. I start with a 10t driver pulley and via belt a 120t pulley. Attached to this 120t pulley is another 10t pulley. With another belt goes from the 10t to another driven 120t. I am crazy or are we back where we...
  2. swcadguy

    Will worm gear/worm back drive?

    The worm has a lead angle of 1 degreee 35 minutes The worm gear has a pressure angle of 14 1/2 degrees.. Thanks for your help
  3. swcadguy

    Will worm gear/worm back drive?

    To all, Thanks so much for the input. First time using this forum but it is awesome. My fixture see`s no vibration. Only static load. The worm/worm gear I have picked pout has a lead angle of 14 1/2 degree ( 180:1 ratio, 48 pitch). Have not see any lesser L,A.. Anybody have experience with...
  4. swcadguy

    Will worm gear/worm back drive?

    I am designing a simple fixture and would like to use a worm and worm gear arrangement for rotatation . I need to ratate the load +/- 5 degrees from zero 1. Can I move the load by turning the hand knob on top? 2. Any chance the worm gear will back-drive the worm? Any help on this would be...
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