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cutting pcb

Discussion in 'Electronic Repair' started by Patt, Mar 20, 2006.

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  1. Patt

    Patt Guest

    What do you use to cut a perforated circuit board? I need to cut a roundish
    piece from a bigger piece.
    Patt
     
  2. Guest

    Nibble cutters work pretty well, or abrasive or carbide rotary bits.
    The latter make a nasty mess tho. I've used a bandsaw, but if the blade
    is dull it takes forever to cut through FR4, and it makes the edges all
    feathery.
     
  3. Yukio YANO

    Yukio YANO Guest

    I've always used a Jeweller's Saw. It looks like a small Copping saw.
    Look in a Hobby store under Lapidary Supplies and Jewellery making. Buy
    a Dozen blades of a couple of pitches at a time. Remember to mount the
    blade to cut on the PULL not on Push as a western Carpenter Saw.

    Yukio YANO
     
  4. G

    G Guest

    Howdy Patt......I usually use a powered scroll saw (a hand coping saw
    does the same job) and finish up lightly sanding the edges (400 grit) if
    required. Making a cut-out of a pcb can be done the same way.

    Gord
     
  5. andro000

    andro000 Guest

    I use an xacto laser saw for the bulk of the cutting. Finishing inside
    corners with a jewlers saw like the one mentioned above. I coat the
    jewlers blade with bees wax to avoid binding. I then finish the edges
    with 320 sand paper.
     
  6. andro000

    andro000 Guest

    I use an xacto laser saw for the bulk of the cutting. Finishing inside
    corners with a jewlers saw like the one mentioned above. I coat the
    jewlers blade with bees wax to avoid binding. I then finish the edges
    with 320 sand paper.
     
  7. default

    default Guest

    Hole saws for round pieces. Tin snips work well for straight cuts, or
    nearly straight. Saber saw with a narrow blade and large offset to
    the teeth. It's a little hard on the blade if you do fiberglass - but
    a paper cutter will make straight cuts.
     
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