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Coro on a router

Discussion in 'Tips & Tricks' started by letterman7, Jul 6, 2012.

  1. letterman7

    letterman7 Very Active Member

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    Did we cover this somewhere? I did a search but didn't turn up much. Has anyone been able to cut 3mm coro on a router and not have to deal with the fuzzies on the edge? I've got a bunch of shapes to do and I'd rather not deal with trying to clean the edges. I thought I had read somewhere someone had rigged a knife to act as a drag knife without turning on the spindle?

    R
     
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  2. SebastienL

    SebastienL Active Member

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    The oscillating knife you talk about is an option on some routers. There is no way to get a clean edge with a rotating bit on coro. What I usually do is cut a template out of plexi on the router and use that to cut the coro with a knife.

    Hope this is helpfull!
    :toasting:
     
  3. FatCat

    FatCat Very Active Member

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    I think a cutawl would be your best bet - have used mine like that and it works good on coro.
     
  4. letterman7

    letterman7 Very Active Member

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    That's what I thought. Maybe it was the reciprocating knife I had read about...
    I've got several different shapes to cut and I hate the thought of using a cutawl or jigsaw to do these.. just a pain to do. Thanks for the suggestions, guys!
     
  5. Typestries

    Typestries Very Active Member

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    Brand new /very sharp onsrud 2 flute 1/8" high feed rate eg 400ipm+ works great.
     
  6. rubo

    rubo Member

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    laser?
     
  7. nwsigns

    nwsigns Member

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    Its been a while but I tried lots of bits and the best was a straight 2 flute in climb mode - got very clean edges.
     
  8. FireSprint

    FireSprint Very Active Member

    How many are you doing? Might be something to have die cut.
     
  9. letterman7

    letterman7 Very Active Member

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    Never thought about a straight flute - I'll have to try that. Been experimenting with the spiral upcuts. A laser would be useful if I had enough to sub out - I don't at this point. There's less than 20 that I need to do. Same thing with a die - they're all different, so the investment wouldn't be worth it.

    I'll be trying the Onsrud bits next week, though! Thanks, guys!
     
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