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Reply To: | TechNet E-Mail Forum. |
Date: | Mon, 13 Apr 1998 16:36:27 -0400 |
Content-Type: | TEXT/PLAIN |
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Greetings-
We are currently in the midst of a lively discussion
in our CAD department over the pros and cons of
geometric dimensioning and tolerancing (GDT) when
used on PWB fabrication drawings. From what I've seen:
Pros:
More accurate (potentially)
Provides maximum producibility in achievement of
desired fit (when competently applied)
"Encouraged" by IPC
Cons:
Poorly understood by many draftsmen
Poorly understood by some board shops (this bothers me)
Takes longer to produce a drawing
Many consider it "overkill"
I'd like some feedback from other designers, board shops,
ME's, etc., on this issue. Has anyone had any compellingly
positive or negative experiences with GDT? Would you write
it into *your* PWB CAD process?
TIA,
--
Ross Eskite
"Though I fervently recite the Mass in perfect Latin to the cannibals,
somehow I always end up in the big black pot with the carrots" - me
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