Your Source for GD&T Training
Based on The GD&T Hierarchy

Tec-Ease, Inc. provides the most comprehensive GD&T training and coaching in the industry. Our GD&T courses are designed to keep the participant interested and engaged, while having fun.

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Your Source for GD&T Software
and Computer Based Training

Tec-Ease, Inc. software packages are designed to help train and offer continued support to companies and employees in the industrial manufacturing field.

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We offer On-Site Courses,
Public Seminars,
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Break Rule #1 with Independency (#233)

(In accordance with the ASME Y14.5-2009 standard)

PDF is Available with GD&T Reference Center Subscription.

Rule #1 requires that a feature not violate an envelope of perfect form at MMC. On this part, MMC of the hole is Ø5.95. If an actual hole measures Ø5.95 at every cross section, the only way it could meet this requirement is if it is perfectly straight, circular and cylindrical. Of course, this "perfect" hole cannot exist. But, if a …

Max the Tec-Ease mascot
Back to Tips Tip added Jun 2009