ENGR-SEG-1. Students will identify the elements of working drawings.
a. Identify the different types of sectional views and their purposes.
b. Identify the different types of auxiliary views and their purposes.
c. Identify pictorials.
d. Identify various methods of tolerancing.
e. Read technical blueprints.
f. Read metric and imperial scales.
The purpose of technical blue prints is to get the builder to know what he is going to build before he starts. if you dont give him blueprints then he wont know the dimensions of the thing he building or making. The purpose of showing section views in your blueprints is so the builder know what the whole drawing looks like and to make sure there are no hidden dimmensions. Some drawings had to be done in the metric system using millimeters.