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Ken Youssefi Mechanical and Aerospace Engineering Dept., SJSU 1
Section Views
Orthographic views showing all hidden lines may not be
clear enough to describe an objects internal details.
This shortcoming can be overcome by imagining that part
of the object has been cut away and shown in a cross-sectional view. This view is called a section view.
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Ken Youssefi Mechanical and Aerospace Engineering Dept., SJSU 2
Type of Section Views
Full section view
Offset section view (multiple offset views)
Half section view Broken section view
Aligned and Revolved section views
Removed view
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Ken Youssefi Mechanical and Aerospace Engineering Dept., SJSU 3
Section View Ful l Section
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Ken Youssefi Mechanical and Aerospace Engineering Dept., SJSU 4
Section View Of fset Section
Offset cutting plane
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Ken Youssefi Mechanical and Aerospace Engineering Dept., SJSU 6
Section View Half Section
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Ken Youssefi Mechanical and Aerospace Engineering Dept., SJSU 7
Section View Broken Section
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Ken Youssefi Mechanical and Aerospace Engineering Dept., SJSU 8
Section View Aligned & Revolved Section
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Ken Youssefi Mechanical and Aerospace Engineering Dept., SJSU 11
Homework #3 Due Friday 9/29/06
page 265 (4thedition) and page 272 (5thedition)
Problems 1 and 7 Given the two views, front and
right side, freehand sketch the missing view top,
freehand sketch all three views. As an additional
exercise, create an isometric view of the object
page 407-410 (4thed.) and page 417-420 (5thed.)
Problem 8.1 part B only, full section view (fig. 8.53)
Problem 8.2 part Bonly, offset section view (fig. 8.54)
Freehand sketch both views and convert the front
view to a section view.
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Ken Youssefi Mechanical and Aerospace Engineering Dept., SJSU 13
ANSI Standard Section L ines
for Various Mater ials
ANSI-31
ANSI-133
ANSI-134
American
National
Standards
Institute
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Ken Youssefi Mechanical and Aerospace Engineering Dept., SJSU 14
Archi tectural Drawing
Crosshatching patterns
for various buildingmaterials that go into the
construction of
foundation, roof details,
or wall sections.
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Ken Youssefi Mechanical and Aerospace Engineering Dept., SJSU 15
AutoCAD Crosshatching
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Ken Youssefi Mechanical and Aerospace Engineering Dept., SJSU 17
Auxil iary Views