Re: Tolerance in text

Subject: Re: Tolerance in text
From: "Gene Kim-Eng" <techwr -at- genek -dot- com>
To: <eric -dot- dunn -at- ca -dot- transport -dot- bombardier -dot- com>
Date: Wed, 22 Feb 2006 07:51:59 -0800

The danger can occur in both cases...

The first company I worked for out of school (as an engineer, not a
writer) had a prototype shop that tested the engineers' designs before
taking them to manufacture. The guys in the shop would frequently
send back drawings with comments about the tolerances (too tight,
too loose, could be tighter, etc.), and their comments were based on
their years of experience in "shop folklore." The next company did
not have such a shop in-house, *and* contracted most of their machining to outside shops, most of which were not specialists "in
that industry." My experiences dealing with my previous employer's
prototype machinists helped me avoid the kinds of errors that often
occurred when other engineers who lacked that background sent out drawings with inadequate or improper tolerances and the shops
either "implied" tolerances based on drawing units or blindly followed
tolerances that their "shop folklore" told them were bogus instead of sending back questions about what tolerances were actually required.
If accuracy is your goal, "implication" = "assumption," and you know what "assume" makes out of "u" and "me."

Gene Kim-Eng

----- Original Message ----- From: <eric -dot- dunn -at- ca -dot- transport -dot- bombardier -dot- com>

Only danger is when the shop hands refuse to abandon shop folklore for engineering demands. But, then again, shop folklore often trumps engineering theory.


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Re: Tolerance in text: From: eric . dunn

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