Engineering Drawing
An engineering drawing is a subcategory of technical drawings. The purpose is to convey all the information necessary for manufacturing a product or a part. Engineering drawings use standardised language and symbols. This makes understanding the drawings simple with little to no personal interpretation possibilities.
Engineering drawing symbols
| Orientation | |||||
 |
Perpendicularity | ||||
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Angularity | ||||
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Parallelism | ||||
| Runout | |||||
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Circular Runout | ||||
 |
Total Runout | ||||
| Location | |||||
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Position | ||||
 |
Concentricity | ||||
 |
Symmetry | ||||
Datum :-
The theoretically exact plane
A
1
2
