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Separating PC Boards

Discussion in 'Electronic Basics' started by Don A. Gilmore, Apr 22, 2007.

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  1. Hi guys:

    What's the best way to separate PC boards that loses the least amount of
    material? Currently, when I have several small circuits on a single PCB
    that need to be cut apart, I use a band saw. But this method is crude,
    comes too close to the traces, and I end up wasting a lot of material.

    Is there a better way? How do the board manufacturers cut their boards?

    Thanks for any replies.

    Don
     
  2. Eeyore

    Eeyore Guest

    You can have them scored so they 'break apart'.

    Graham
     
  3. I score both sides with a scoring knife and break them, then
    sand the edges with silicon carbide paper.

    http://www.epinions.com/Stanley_Scoring_Knife_Shop_Tools
    They route the outline, either all the way through with a
    cylindrical cutter, or V grove each side with a pointed bit,
    for later break separation.
     
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