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How do you load drills of various diameters in the router?

Discussion in 'CNC Mills/Routers' started by btown, Jun 26, 2019.

  1. btown

    btown Well-Known
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    I have a LEAD running the Dewalt router. I do have a 1/8 inch collet for it.

    I need to be able to drill holes in a many diameters other than just .25 or .125in (mostly just smaller). Is there a chuck I can get that fits this router? Sets of drill bits with a common 1/8 shanks? Sets of collets?

    Thanks in advance!
     
  2. jeffmorris

    jeffmorris Veteran
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  3. David the swarfer

    David the swarfer OpenBuilds Team
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    sets of drills with 1/8" shanks is best. drill chucks tend to be unbalanced, not a problem on your electric screwdriver but a real vibration issue on a router.
     
    Alex Chambers likes this.
  4. Alex Chambers

    Alex Chambers Openbuilds Team
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    And if you are going smaller than 1/8" a good chance of breaking the bit - especially if it's carbide.
    Alex. :(
     
  5. btown

    btown Well-Known
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    I would like to get a set of these, do you know of a good supplier? Or even for 1/16 common shanks?

    Thanks for the replies
     
  6. Alex Chambers

    Alex Chambers Openbuilds Team
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    As you have 1/4" and 1/8" collets I would suggest you look for 1/8" shank bits on E-bay. Do they need to be drill bits? Most people use router bits or end mills - smaller than desired hole and use cad software to design hole size and position.
    Alex.
     
  7. btown

    btown Well-Known
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    I can do that as well and I already have a stash of end mills down to 1/32 all with 1/8 shafts that I use pretty regularly on the pocketNC. I am just shy to put those fragile little tools in this fumbling giant of a router and subject them to side loads.

    Thank you Alex and David, I think I have enough to go off of at this point!
     
  8. David the swarfer

    David the swarfer OpenBuilds Team
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    I don't know where to get drills in your country. What I can say is do not buy the cheapest stuff you can find, they will disappoint you.

    Managing side loads is mostly about calculating sensible RPM and feedrates to match the size of the bit and the number of teeth.
    For really small bits you also need to worry more about runout.
     

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