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corner rounding and notching?

Discussion in 'General Signmaking Topics' started by SIGNTIME, Sep 6, 2012.

  1. SIGNTIME

    SIGNTIME Active Member

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    We have an arbor press for rounding corners but there is no avalible die to notch the corners. What do other shops use to notch the corners of signs say 3/4"-3" of radius that don't have routing tables? In the past I have used a hole saw but cant do it to a 4x8 sheet with the hole saw, and a jigsaw wouldn't give me a smooth cut.
     
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  2. SIGNTIME

    SIGNTIME Active Member

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    maybe a verticle bandsaw or a dremmel?
     
  3. J Hill Designs

    J Hill Designs Major Contributor

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    better blade for your jigsaw. wrestling a 4x8 up to a band saw is no easy task...

    edit: or a set of templates and a hand held router with a profile bit
     
  4. CanuckSigns

    CanuckSigns Very Active Member

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    make a few templates out of 1/4" thick MDF, and use a router with a flush cut bit to follow the pattern.

    edit: jhill beat me to it
     
  5. SIGNTIME

    SIGNTIME Active Member

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    wha ttype of bite do i want for cuttign acm?
     
  6. J Hill Designs

    J Hill Designs Major Contributor

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    this would probably cut it like butter
     
  7. SIGNTIME

    SIGNTIME Active Member

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    so you would put the template underneath? I was planning on have the welding shop next store burn out a few different templates on their cnc plasma cutter out of 1/4" steel ... would i be able to find this type of bit at lowes?
     
  8. J Hill Designs

    J Hill Designs Major Contributor

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    nah lowe's etc usually only carries wood/laminate ones - you can try them first, as the one posted is fairly spendy
     
  9. CanuckSigns

    CanuckSigns Very Active Member

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    heres a video on youtube showing the general idea
    http://www.youtube.com/watch?v=Z5uL4hI4yK8

    If you are dealing with larger sizes, I wouldn't use the router table, just the hand router.

    Also, be careful making the templates out of steel, if something goes wrong, the steel will kill the bit very fast. aluminum may be a better choice
     
  10. eahicks

    eahicks Very Active Member

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    DALLAS, TEXAS
    This...cuts up to 6" notches....
    Yes we have cool tools.

    EDIT: Just re-read....you were asking about rounded notches....my bad.
     

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