I have also seen where we stockpiled the particular x-out by panel
location so that they could all be run at the same time.
Another option was to punch out the fiducials on the x-outs and have the
pick and place recognize which to populate.
We typically always had four up ABAB configuration panels and only one
x-out was ever allowed.
-----Original Message-----
From: TechNet [mailto:[log in to unmask]] On Behalf Of McGlaughlin, Jeffrey
A
Sent: Monday, June 06, 2011 11:19 AM
To: [log in to unmask]
Subject: Re: [TN] X-Out Policy
Our typical stance is no X-out on low board count arrays (generally
fewer than 4 boards per array). For higher part count arrays no more
than 2 x-outs per array and no more than 10% of ordered quantity in
x-outs.
Jeffrey A McGlaughlin, CID
Engineering Designer
Systems Development Engineering Services
Room 4-2-50
Phone (614)424-7582
-----Original Message-----
From: TechNet [mailto:[log in to unmask]] On Behalf Of Amol Kane
Sent: Monday, June 06, 2011 11:22 AM
To: [log in to unmask]
Subject: [TN] X-Out Policy
These is a debate currently raging on internally on whether or not to
allow X-outs on panelized assemblies. I am of the opinion to not allow
any X-outs as this entails manual intervention on the line to not
populate that particular board (we have not programmed any bad board
sense into our programs), and to a lesser extent, leads to solderpaste
wastage. Furthermore, to me, accepting X-outs means accepting a more
variable (if not a out of control) process at the board house. However,
I want to to hear to any opinions otherwise if any
What is the industry doing as a whole regarding X-outs?
Thanks,
Amol
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