Lecture 11 Flashcards
Name 3 reasons for using section views?
- to show internal details/features
- To document how multiple parts are to be assembled or built.
- To aid in visualizing the internal workings of a design.
The line drawn for a cutting plane should be as ____ as visible lines
thick
What are the two styles of lines you can use for cutting plane?
î_______ _ _ _______ _ _ _______î
î__ __ __ __ __ __ __ __ __ __ __î
(hiden line for comparison _ _ _ _ )
what is the general section line symbol used?
the sectioning symbol for iron
section lines should be drawn with your ___ pencil and they should be ____ to ____ mm apart
2H
1.5 to 3
Section lines should be drawn at a ___º angle to the horizontal unless…? then what…?
they are (or are close to) perpendicular or parallel to a prominent visible outline. IF this is the case draw them at a 30º or a 60º angle
Draw section lines of different parts in an assembly at ______ angles to distinguish the parts.
different or varying
Draw section lines on separated positions of the same part (both sides of a hole here) in ____ ____ _____.
the same direction
should you show hidden lines in a section view?
nope
Can hidden lines bound a section view?
NEVER. A section-lined area is always completely bounded by visible outline
should you hatch a rib? If so when?
hatch ribs when they are being cut through sideways and do not hatch ribs when they are being cut edge wise
When the part is cut fully in half, the resulting view is called a ____ ____
full section
what is the advantage of a half section (1/4 cut out)?
it exposes one half of the interior while still shwoing helf of the exterior
Can half sections be used for non symmetrical objects?
not usually
