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Home made PCBs

Discussion in 'Electronic Basics' started by Charles Jean, Dec 19, 2005.

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  1. Charles Jean

    Charles Jean Guest

    What's the best way to make little ones from big ones? I would like a
    method that takes a small kerf and produces a straight line. For
    one-at-a-time boards. One that a klutz can handle.
  2. Pooh Bear

    Pooh Bear Guest

    Sorry mate. I don't understand your line of banter.

  3. Guest

    I have used a straightedge and a tool that is used to scribe and cut
    plastic laminate and has a carbide cutter on a steel
    blade and after lining up the straightedge I give the cutter a few
    pulls to make a groove...then remove the straightedge and keep pulling
    the cutter thru...turning the board around every few strokes to make it

    This produces a clean but beveled edge which I flatten up by rubbing
    the cut edge on a file.

    scroll down page to see one
  4. JazzMan

    JazzMan Guest

    I use aviation style tin snips, the kind with the compound
    action. Use the straight cut.

    Please reply to jsavage"at"
    Curse those darned bulk e-mailers!
    "Rats and roaches live by competition under the laws of
    supply and demand. It is the privilege of human beings to
    live under the laws of justice and mercy." - Wendell Berry
  5. ehsjr

    ehsjr Guest

    Best? Dunno. Easiest? A paper trimmer. Item # 818674 at
  6. Jeff Dege

    Jeff Dege Guest

    I score both sides, with a screwdriver, then stick it in a vice and snap
    it off.
  7. Jasen Betts

    Jasen Betts Guest

    the "best way" is to start with them the right size,

    assuming a typical garage/basement workshop...

    use a steel ruler and a sharp knife (box cutter etc)

    mark the ends of the cut with notches or holes

    clamp the ruler to the PCB (use a vice, g-clamps, Vice-grips(tm) etc)
    and make several passes with the knife,

    repeat on the other side.

    repuat until cut all the way though or go about 1/4 way and snap it off.

    smooth the edge on a file or other abrasive surface,
  8. I once, very long ago, in a galaxy far away, made a 6-up of a 2.5"dia.
    round circuit, double-sided, on .031 fiberglass. (copper clad, both sides,
    I etched it in FeCl3, drilled it with a little Dremel drill press, and
    fudged on the vias).

    I don't remember exactly what tool I used to trim them to size, but just
    that fact that I don't remember indicates to me that it must have been
    trivially easy. Like, Mom's sewing shears or something.

    But this was .031" stock - I guess for .062, if I was really persnickety,
    I'd press a die grinder into service as a little router.

    Getting them apart in the first place, well, I'd say, shear them, score
    and snap them, saw cut them, whatever works. It's pretty much a matter of
    taste and getting your hands dirty. ;-)

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