Blueprint Reading and Introduction to Geometric Dimensioning and Tolerancing (GD&T) Symbols

The purpose of this training is to give participants the skills and knowledge to interpret the main aspects of a mechanical drawing. Some people have the innate ability to visualize objects in three-dimensional space from a two-dimensional drawing. But anyone can accomplish this if some basic rules are in place and honed with practice.

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The class will begin with a discussion of the categories of drawings, and the meaning of each line type. Then the major focus will be on interpreting and visualizing orthographic projection. Also covered are auxiliary information on a print (such as the title block and notes), interpreting dimensions/tolerances, and other special symbols (such as roughness callouts and screw threads). Multiple examples will be provided to show specific applications.