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IndustryArena Forum > Mechanical Engineering > Linear and Rotary Motion > best design for anti backlash rotary stage?
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  1. #1
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    best design for anti backlash rotary stage?

    Considering several ideas for my 4th axis large scale foam carving build.

    I've got a few planetary gearheads laying around the shop so that would make a fourth axis easy.
    As the machine is quite large (requirements being able to machine a 4x4x4 cube} I'm worried about backlash on the rotary axis.

    gear drive? belt ? other ideas?
    Is a sentance fragment?

  2. #2
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    Re: best design for anti backlash rotary stage?

    Strain wave gear drive is what I would suggest. They are fairly expensive but you can find used ones on eBay etc. for reasonable cost. I believe Harmonic is one of the major brand names.


    Sent from my iPhone using Tapatalk

  3. #3
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    Re: best design for anti backlash rotary stage?

    Quote Originally Posted by Paul-JB View Post
    Strain wave gear drive is what I would suggest. They are fairly expensive but you can find used ones on eBay etc. for reasonable cost. I believe Harmonic is one of the major brand names.


    Sent from my iPhone using Tapatalk
    This is what I really need. Checking Ebay to see if I can find something useful.

    Now that I know what to look for I might be able to source one from one of the local scrapyards.
    Is a sentance fragment?

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