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Diy Rotary Tool

Discussion in 'Milling, Drilling, & Cutting' started by ToddR, Nov 29, 2018.

  1. ToddR

    ToddR Putterer, Tinkerer, Waster of Time Staff Member

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    Like many others, I have purchased more than one rotary tool over the years. I have burned out 3 or 4 of them and end up with a case full of bits and accessories. I now have a big box full of accessories including things like the flexshaft and the router base etc. These are occasionally useful tools and bits.

    So I've been thinking (uh-oh) is it just a motor with a chuck and (sometimes) speed control? My question is this --- is there an adapter anyone knows of that will allow me to connect a small dremel-sized chuck to the shaft of a regular old AC motor? The motor would spin much slower with more power than the dremel and, with steel, I figure that's a good thing. Anybody else ever think about this zany idea? Any links to sites or docs and/or anecdotes would be greatly appreciated.

    Sadly, if I can't get this going I may have no choice but to break down and just get another rotary tool - with all the accessories. It sucks I know. I always tell my wife that I'll make every effort to get the old one working or make due if I can. It's amazing at how many highly specialized tasks one does in the shop where you just can't seem to workaround the problem. At least, that's been my experience. : )
     
  2. dancom

    dancom Dust Maker Best Shop Tool

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  3. ToddR

    ToddR Putterer, Tinkerer, Waster of Time Staff Member

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    Thanks Dan. I didn't know these were a thing. So, pardon my senseless, once I thread the chuck to the threads on the coupler, I need a new (likely smaller) collet? I think I'm thinking something incorrect but I figured the chuck to be like one on a drill. ( ie. No collet right). It sounds like you're talking about a chuck more like one on a router?? I may just be confusing my terms but I'm a bit confused about what the chuck looks like that I'm threading onto the coupler and how it takes a collet. I am likely naive about what's available and how the collet gets used.

    Sorry for the likely silly question but I'm having a tough time visualizing it. I think I'm googling the wrong terms.

    Thanks for your help (and patience).
     
  4. ToddR

    ToddR Putterer, Tinkerer, Waster of Time Staff Member

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    I did some googling and found what I think you're talking about. I found on ebay a think called a collet chuck that has different sizes collets just like a router only smaller. So the check gets threaded into the coupler and serves only to hold the collet, again like a router. So the task, I think, is to find one with 1/2" threads that will hold a tiny collet. I think dremels are 1/8".

    Thanks again Dan. I just had to find a picture I'm a visual guy.

    On a similar note, I found a foredom knock off with a pedal and the shaft for $60. Is it reasonable to assume that even a "cheap" motor will function similarly to a much more expensive one? It's a good deal but at 10% the cost of a foredom it makes me wonder what I'm missing. I can deal with the pedal and accessories being flimsy as long as the motor is a like other motors.
     
  5. dancom

    dancom Dust Maker Best Shop Tool

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    I found another use for the arbor motor coupler and I like zany. Check this idea out.
    [​IMG]

    [​IMG]

    Dan
     
  6. ToddR

    ToddR Putterer, Tinkerer, Waster of Time Staff Member

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    Is that a homemade horizontal milling machine? You're like the Tony Stark of the knife world. That's awesome.

    Still though, it would be better if it was powered by an arc reactor and shot repulsor beams.
     
  7. dancom

    dancom Dust Maker Best Shop Tool

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    I am not sure what this thing is. I just got the DC motor controller, speed control pot and forward reverse switch installed. I was hoping to use it to mill slots in bolsters and guards. I wanted to call it the "Questionable Purpose Rotating XYZ Machine" but I like your name better. Dang, my arc reactor is on the fritz; but my 3 stoat powered treadmill drive is up and running. ;)
     

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