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Question for the acetal nut guys

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  • #16
    Nylon changes size by up to 5% depending on humidity. Acetal doesn't absorb water and is very stable.
    Free software for calculating bolt circles and similar: Click Here

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    • #17
      Once engaged an acetal nut will probably work just as well. However, acetal is one of the more brittle plastics from memory. I'm wondering if the initial engagement of the nut on the leadscrew may cause problems and the nut eventually get shipped away?

      Another thought is that an acetal nut as described is a very close fit. While great for minimum backlash, the fit may be too good to easily engage on the leadscrew.

      Just a couple of thoughts

      Michael

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      • #18
        Leadscrew

        The Acetal is pretty tough and the thread form is tapered so it will engage easily. A square thread might be tricky to get going, but not Acme.

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        • #19
          The sliding-mesh gears in my lathe are acetal and haven't chipped so far.
          Peter - novice home machinist, modern motorcycle enthusiast.

          Denford Viceroy 280 Synchro (11 x 24)
          Herbert 0V adapted to R8 by 'Sir John'.
          Monarch 10EE 1942

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