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Drafting Symbol -A- or -B-

Printed From: CAD Forum
Category: EN
Forum Name: CAD - general
Forum Description: General discussion about CAD, formats, standards, management, licensing, networking, harware, other CAD applications
URL: https://www.cadforum.cz/forum_en/forum_posts.asp?TID=755
Printed Date: 29.Sep.2026 at 12:04


Topic: Drafting Symbol -A- or -B-
Posted By: nici daniels
Subject: Drafting Symbol -A- or -B-
Date Posted: 21.May.2008 at 20:34
I am trying to read a CAD drawing of a tool and there are two places where -A- and -B- are written, I'm not sure what they mean.  I was hoping someone here could tell me.  Thank you for your help.

Nici



Replies:
Posted By: Arben.Allaraj
Date Posted: 22.May.2008 at 11:26
 
 Maybe this can you help.
 
 Datum - A theoretically exact plane, point or axis from which a dimensional  measurement is made. 
Datum Feature - A part feature that contacts a datum. 


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Ing Arben.Allaraj
http://cad-drafting-corner.blogspot.com



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