Homebrew PCBs

Craig,

That looks amazing.  How long did it take for the mill to do it's thing?

On Wed, Mar 2, 2011 at 8:42 PM, designer_craig <cs6061@...> wrote:

>
> I did my first CNC milled PWB today.  It came out great and far
> exceeding my expectations.  The board is a little 3" x 2" solar panel
> controller for solar battery charger.   The two layer board was designed
> in DipTrace then converted to island milling G-Code by LineGrinder and
> cut on my  Mach3 CNC converted Bridgeport mill.   The accuracy of the
> milling was amazing.  I was able to drill .022" dia via holes and not
> get any break-out  of the .040" dia via pads on the far side.
>
> My bigest limitation is the spindle speed of the BP, at 6800 RPM and I
> really need to get some sort of high speed spindle.
>
> I postes some pictures on my Picasa web album:
> Pictures of the board:
> https://picasaweb.google.com/cschaffter/PCB_Stuff?feat=directlink
> <https://picasaweb.google.com/cschaffter/PCB_Stuff?feat=directlink>
> Craig
>
> --
Erik L. Knise
Pacific Shipping Company
Seattle, WA


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