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Date: | Tue, 04 Mar 1997 14:23:26 -0500 |
Content-Type: | text/plain |
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Circo Craft Co inc. wrote:
>
> Good afternoon
>
> I work with ATI machines (CNC routing machine) to cut printed circuit at
> the end of the manufacturing process. We encounter a problem lately
> whith the control unit of the machine. Trough a program, the machine
> completly looses all its data and continues to cut anywhere, which
> creates important losses. We believes that this problem has to do whith
> static electricity and all the machine has been grounded including the
> panels from which the circuits are cut out and the operators. Still the
> problem comes back from time to time. Did anyone experienced this
> problem and has sloved it?
>
> Richard Bilodeau
> Process technician
> routing department
> Circo Craft CO inc.
Hi Richard,
I'm not in the board business but have worked on a routing
machine in another entirely different line of work.
Does the machine have a vacuum hose for pickup?
That's a great place for ESD to build up on a NON-conductive
surface, i.e. no bleed off until it discharges all at once.
We had to run a bare 12 AWG wire from end to end down the
inside of the vacuum hose.
Regards, Doug
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The comments and opinions stated herein are mine alone,
and do not reflect those of my employer.
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