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The Drafting Zone helps users more accurately apply and interpret ASME, ANSI, ISO, etc. standards to the drawings they create and work with. It will keep you current with the most up-to-date drafting practices and techniques. It will also help you develop and maintain your own in-house drafting manual. Paid subscribers have access to every feature available at this site. Since subscriber satisfaction is guaranteed, we urge you to begin a subscription today and experience exactly how the Drafting Zone will help your organization learn, save time, and reduce costs. You won't regret it.

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Online Drafting Manual

Two Ways to Unlock the Zone
Subscriptions provide unrestricted access to all areas of the Zone, including the Modern Drafting Practices and Standards Manual. Free Guest Memberships provide access to selected areas of the Zone.
Latest News
  Drafting Manual Update 79 Now Complete
With the completion of this massive Update on January 11, 2010, the GD&T Section 6 of the online versions of Genium's Drafting Manual are now based on and in complete compliance with ASME Y14.5-2009. The following sections were rewritten as part of this revision. Drafting Zone subscribers have unrestricted access to each of them. Drafting Zone Guest Members have preview access to only those sections highlighted in orange:

6.0 - GD&T Introduction and Glossary (Guest Preview)
Full Section (Subscribers only)
6.1 - GD&T Symbols
6.2 - General Dimensioning Application
6.2.1 - Metric Dimensioning
6.2.2 - GD&T Rules
6.3 - General Tolerancing
6.4 - Datums
6.5 - Position, Concentricity and Symmetry
6.5.1 - Verifying Dimensional Requirements
6.5.3 - Formulas for Positional Tolerancing
6.5.4 - Certification as a GD&T Professional
6.6 - Form, Orientation, Profile & Runout
6.8 - Dual Dimensioning

Note: Distribution dates for the CD-ROM and hard-copy versions of Update 79 will be posted in this space soon.
  General Dimensioning #6
This tip covers diameters, depth, keyways, and dimensioning more than one feature.
  Understanding Third Angle Projection
Third Angle Projection is used in drawings for most United States standards. This tip explains Third Angle Projection and along with the First Angle Projection tip published earlier helps you to understand a major difference between ISO drawings and US drawings.
  Drafting Manual Update Preview
Section 6 (GD&T) of the Genium Drafting Manual is being revised to reflect the changes in the recently released 2009 version of ASME Y14.5. This new tip on verifying form tolerances is from this update.
  Understanding First Angle Projection
First Angle Projection is used for most ISO standards while Third Angle Projection is used for US standards. This tip explains First Angle Projection thus helping people to better understand the drawings in ISO standards.
  Surface Texture Capabilities Chart
This chart shows the possible surface texture smoothnesss for 29 manufacturing processes.
  General Dimensioning #5
This latest dimensioning tip focuses on specifying counterbore and counterdrill holes along with spotface, depth of holes, and thru holes.
  General Dimensioning #4
Consult this latest DZ tip to learn about a critical radius, a non-critical radius, and other important aspects for dimensioning a radius.

 
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