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20 Cards in this Set
- Front
- Back
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Perspective drawings |
They appear to the eye or from you perspective (Not drawn to scale) |
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Oblique drawings |
One surface drawn orthographically (true shape and size) can be drawn to scale ONLY ONE ANGLE Receding, edges, drawn, parallel normally at 45 degrees |
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Isometric drawings |
Horizontal planes always recede at 30 degrees MORE THEN ONE ANGLE Advantage of showing all directions made to scale |
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Arrow head leader line |
Points to applicable area or part |
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Solid dot leader line |
When surface area is referenced |
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Conventional dimensioning |
Each dimension is adjacent to the next |
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Baseline dimensioning |
Taken from a common extenison line |
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Running dimensions |
Make use of only one dimension line |
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Orthographic projection |
Method of describing the true shape of an object using two or more views |
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Orthographic views |
Used to describe any shape in sufficient detail to permit fabrication |
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Unidirectional |
Back (Definition) |
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Aligned |
(Must align yourself) |
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Concentric circles |
Have a common centre |
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Eccentric circles |
Have different centres |
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Parallelogram |
Four sided figure the opposite size of which are parallel and equal |
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Trapezoid |
A four sided figure with two parallel sides, two non-parallel sides |
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Hexagon |
A polygon of six equal size and six equal angles |
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Pentagon |
A polygon of five equal sides, and five equal angles |
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Acute angle |
Less then 90 degrees |
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Obtuse angle |
More than 90 degrees |
