Blair,

I'll address the Quality question.

If you're missing a component, have an incorrect polarity, etc. on one board, chances are very good that you'll find this reject duplicated on the remaining boards on the panel.  I have seen incidents where such defects are isolated to a single board, but those are rare events.  That would usually point to someone manually changing the placement program while trying to address some other issue.

Leland

-----Original Message-----
From: TechNet [mailto:[log in to unmask]] On Behalf Of Blair Hogg
Sent: Friday, March 21, 2014 10:16 AM
To: [log in to unmask]
Subject: [TN] NTC - (somewhat) regarding X-outs

Happy Spring, Technetters! Having enjoyed a very snowy winter here in PA I am now ready to enjoy some warmer weather.

I have a few question as to how others handle x-out boards in a panel, both from an assembly point of view, from a planning point of view, and from a quality point of view.

Assembly - we are planning to run these boards on our Phillips / Assembleon equipment, and there should be a way to have the machine automatically detect an x-out panel and not populate it, or am I asking too much? We can't seem to figure out how to get this to work.

Planning - there are n boards in a panel, but 1 is an x-out, and the planning / ERP system thinks there will be n boards, but you get 1 less, how do you tell the ERP system this?

Quality - If there is a defect on 1 board in the panel, should there be concerns that the other boards may also have defects that weren't detected?

Thanks!

Blair

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