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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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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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Stop Mixing Dimensions (#148)

(In accordance with Y14.5M-1994 standard)

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A recurring problem occurs when position tolerancing is used but the dimensions locating the features are not all basic. Below is a redraw of a print I recently received. The 20 and 80mm dimensions are not basic. In addition, this appears to be a symmetric part. The part could be set up two different ways (if datum feature A is not identified in …

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Back to Tips Tip added May 2002