Note, commercial PCB drilling is not done with vacuum tables. Often multiple layers of boards are stacked and pinned to the table. The drill head basically has a spring-loaded ring that presses down on the PCBs while drilling. Bertho [Non-text portions of this message have been removed]
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RE: [Homebrew_PCBs] Re: PCB drilling vacuum table ??
2011-02-15 by Boman33