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12 tooth gear and 1/4 pitch worm gear

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  • 12 tooth gear and 1/4 pitch worm gear

    Well, my buddy's old South Bend 10K kicked my Hardinge's ass making the worm gear.
    I made the 12 tooth mating gear.
    Both are unconventional in tooth profile, but work very well for the 1 r/hour speed.
    Some minor clean up to do on the worm, and set screws to be installed yet.





  • #2
    Looks great. I was thinking of a standard involute gear but for a clock type mechanism lots of profiles are used.

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    • #3
      Yup, should work just fine.
      just a challenge to make that worm!

      Sid

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      • #4
        Originally posted by sid pileski View Post
        ... just a challenge to make that worm!
        Why is that? Isn't it just a very course square thread?

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        • #5
          Originally posted by Bob Engelhardt View Post

          Why is that? Isn't it just a very course square thread?
          Yes! The challenge came by the fact that my Hardinge could not readily cut a 4 pitch thread!
          Hence, my comment about my buddy’s SB.

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