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Thread: Looking for a small spindle

  1. #1

    Default Looking for a small spindle

    I recently threw this unit together with the hope of doing some engraving.
    It uses a couple of X Y tables taken from an old film developing unit. (remember film?)
    Anyway I got it up and running under Mach3 and it works fine except the spindle is a cheap wannabe Dremel running at 12000 rpm.
    The problem is that it is impossible to predict where the tip of the engraving tool is - it varies by as much as .05" on the z axis making the lettering alternately deep and shallow.
    Is there an under $100 spindle available with decent bearings or do I have to go to something like a Foredom unit?

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    Attached Thumbnails Attached Thumbnails -engrave-003a-jpg   -engrave-005a-jpg  
    I used to be appalled, now I'm just amused.

  2. #2


    You can get just the handpiece from foredom for about $100, then you would have to hook a motor it (maybe your dremel with a pulley mounted in it), or you can buy the foredom motor and be ready to go. Either way, the foredom is in a whole different league from a dremel.


  3. #3


    Yeah I've looked at the Foredom units and I could get set up for about $300.*57

    The problem with that is this was envisioned more as a toy. If I were to spend $300 on the spindle then I would have to upgrade the screws and then the table and then the motors and then......

    Pretty soon you end up with a machining center.

    I'll probably end up with a Foredom, I was just hoping there is someone out there as squeaky cheap as I am.

    I used to be appalled, now I'm just amused.

  4. #4
    Registered draughted's Avatar
    Join Date
    Sep 2007


    i'm looking at a taig spindle head, they tend to come in a ER16 collet head that will give you a range of tools from 1/16th to 3/8th.

    match that to a powerful DC motor that runs under 10,000 rpm and you should be able to do aluminium milling

    at ( i have seen these go for a decent price.

  5. #5


    You could try getting a Wolfgang Engineering spindle from ebay... there are a few posts on other bits of cnczone by people who've used them for engraving (specifically PCB routing) and been generally happy.

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