Good Circuit Boards Require Good Clamping #3

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    Board on left full of burr's due to poor clamping which results in
    vibration and burrs. Board on right made with better clamping through
    use of fender washers.

    Laen and EverydayInventors added this photo to their favorites.

    1. jmsaltzman 47 months ago | reply

      Wow such a huge improvement, congratulations!

    2. 2fic 47 months ago | reply

      definitely nice net result for the extra $4!

    3. John_NY_LMR 47 months ago | reply

      Wow! Nice result. I've had 2 mills that produced the circuit board on the left. I can't wait to try proper clamping.

    4. mikey and wendy 47 months ago | reply

      Good clamping helps a lot. I find these two steps help a lot:

      1. Put the bit shaft deep into the chuck to reduce wobble.

      2. Consider doing multiple passes @ 1 mil increments. Deep cuts create lots of issues.

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