Projection of planes 029
1
Q12.10: A thin rectangular plate of sides 60 mm X 30 mm has its shorter side in the V.P. and inclined at 30º to the H.P. Project its top view if its front view is a square of 30 mm long sides X Y a b 30 a’ b’ c’ A rectangle can be seen as a square in the F.V. only when its surface is inclined to VP. So for the first view keep the plane // to VP & shorter edge ┴ to HP F.V. (square) is drawn first Incline a 1 ’b 1 ’ at 30º to the H.P. d’ 60 c d a b c d a 1 ’ b 1 ’ c 1 ’ d 1 ’ 30º a 1 b 1 c 1 d 1
-
Upload
akash-sood -
Category
Documents
-
view
343 -
download
1
Transcript of Projection of planes 029
Q12.10: A thin rectangular plate of sides 60 mm X 30 mm has its shorter side in the V.P. and inclined at
30º to the H.P. Project its top view if its front view is a square of 30 mm long sides
X Y
a
b
30
a’
b’ c’
A rectangle can be seen as a square
in the F.V. only when its surface is
inclined to VP. So for the first view
keep the plane // to VP & shorter
edge ┴ to HP
F.V. (square) is drawn first Incline a1’b1’ at 30º to the H.P.
d’
60
c
da
b
c
d
a1’
b1’ c1’
d1’ 30ºa1b1
c1 d1