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  GD&T
Geometric Dimensioning and Tolerancing

 

Universal language

GD&T uses symbols and shapes to tell us what the designer wants. The symbols have the same meaning everywhere. Therefore, it is a universal language.

GD&T = Lower Cost

Geometric Dimensioning and Tolerancing properly applied can reduce production
costs and speedup inspections. Reducing the number of vague notes on a print makes it easier and quicker to read.

GD&T allows the maximum tolerance for many features of product. This reduces the potential for scrap and that lowers the cost of production.

Datums

Datums tell us where dimensions and tolerances originate. There should be no guessing as to where to begin measuring a feature on a part. Datums provide the reference for setup and inspection.

Bonus tolerance

Two material conditions apply to certain types of features that allow production bonus tolerances. These material conditions are maximum material condition and least material condition. The bonus tolerance doesn’t affect the dimensional tolerances. It applies to the size of the tolerance zone.

Enroll in one of our seminars or have an in-plant class and learn how tolerances can be increased and retain fit, form and function.

What features can have GD&T tolerances?

Features of form, location and orientation can have GD&T tolerances. Features such as thickness cannot.

Learn what features can have GD&T tolerances. Learn the rules and
applications for datums. Discover what features need datums and how many datums.

You can have this class presented at your business for as little a $65. per person.

Class is one day.

The course includes:

·       Introduction and overview

·       Preliminary examples

·       Review of GD&T symbols

·       Feature symbols except position

·       Maximum material condition

·       Least material condition

·       Regardless of feature size

·       Position

·       Orientation

·       Workshops

·       CEU and RU credits awarded

 

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