Lecture Autodesk inventor Multiview projections 2 Treatment of common surfaces. After studying this chapter you will be able to Create a multiview drawing by sketching or CAD; represent lines, curves, surfaces, holes, fillets, rounds, chamfers, runouts, and ellipses in multiview sketches; explain the importance of multiviews.
Trang 1Multiview Projections - 2
Treatment of Common Surfaces
Trang 2Normal Surfaces
A normal surface
appears as a
surface in one
multiview
The area of this
surface is the true
area of the
surface
In the other two
multiviews, a
normal surface
Trang 3Inclined Surfaces
An inclined surface
appears as a surface
in two multiviews
Not true size in either
of these views
In the third multiview the inclined surface
appears as an edge
Trang 4Oblique Surfaces
An oblique surface
appears as a
surface in all three
multiviews
In none of these
views does the
surface appear true
size
Trang 5Single-Curved Surfaces
A single-curved surface
has curvature about a
single axis
Curvature only seen in
one multiview
Center lines used to
indicate axis of
curvature
In isometric views,
single-curved surfaces
appear as ellipses
Top
Isometric
D
D
D
D
Trang 6Multiview Projections - 2
Treatment of Common Surfaces