Today was the first day of our Geometric Dimensioning and Tolerancing (GDT) class in Mankato. The class is for eight hours not including homework and goes on the next two ,days. Today, we got a an introduction into GDT, and tomorrow, we will improve on what we have already learned. One big thing we learned was how to dimension parts using a machine called a Coordinate Measurement Machine (CMM). This machine allows you to measure parts in three axises (x,y,z). To calculate surface tolerances the probe of the machine is touched multiple points on a part in a certaint order. When the sensor touches the part it records the position of the sensor. Then the data is sent to the computer where it builds the part in the computer from the points you gathered off your part. After you are done you can see your the part on the computer with dimensions.
proofed by: Austin and Alex
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