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Article #469

Specifying Tolerances

#469
From: Paul Burnett
Date: Sun, 24 Jan 1993 05:52
23 lines
1638 bytes
TO: burstedt@oscar.UUCP

  >I am not concerned about the critical dimensions that I
  >specify on the drawing, but how can I protect the design intent of the
  >features that I do not specifically tolerance.

  >...the idea is to use as few dimensions as possible while
  >still requiring the molder to give us parts that are within
  >specification.

DB>What concerns me the most is how to tell the molder that I will inspect
  >the first article parts.  I need to be able to show the molder if he has
  >not kept the tolerances that we agreed upon.

Sounds to me like you want something for nothing.  The only way you can
"protect the design intent" _is_ to specifically tolerance every
dimension.  Can you say _why_ you want "to use as few dimensions as
possible"?  You can't "show the molder he has not kept tolerances" if
you don't _give_ the molder the tolerances.  If I was a molder, I would
agree upon tolerances on a signed drawing, and nothing else.
---
 . QMPro 1.0 41-8688 . ...from San Jose, CA
                                                                                                                                                
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From: paul.burnett@pcs.sj.ca.us (Paul Burnett)
Newsgroups: sci.engr
Subject: Specifying Tolerances
Message-ID: <74.16.uupcb@pcs.sj.ca.us>
Date: 24 Jan 93 05:52:00 GMT
Reply-To: paul.burnett@pcs.sj.ca.us (Paul Burnett)
Organization: PCS-BBS - San Jose, CA - 408-270-4085
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