A Text Book on Engineering Graphics - Central Board of Secondary ...
A Text Book on Engineering Graphics - Central Board of Secondary ...
A Text Book on Engineering Graphics - Central Board of Secondary ...
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MACHINE DRAWING<br />
Example 15:<br />
Soluti<strong>on</strong>:<br />
Example 16:<br />
Soluti<strong>on</strong>:<br />
Ø0.8d<br />
Draw to scale 1:1, the Fr<strong>on</strong>t View and Side View <strong>of</strong> an assembly <strong>of</strong> hexag<strong>on</strong>al bolt <strong>of</strong><br />
diameter 24mm bolt length = 90mm and a hexag<strong>on</strong>al nut, keeping the axis parallel<br />
to H.P and V.P<br />
Ød<br />
Refer Fig 2.30<br />
The steps involved are similar to the previous example.<br />
Ø1.5d+3<br />
Fig 2.30<br />
Draw to scale 1:1, the Fr<strong>on</strong>t View and Side View <strong>of</strong> an assembly <strong>of</strong> a square bolt <strong>of</strong><br />
diameter 25 mm and a square nut, keeping the axis parallel to V.P and H.P. Take<br />
length <strong>of</strong> the bolt as 100 mm.<br />
Refer Fig 2.31<br />
0.8d<br />
1.2 d<br />
RIGHT SIDE VIEW FRONT VIEW<br />
d<br />
24<br />
0.8d<br />
19.2<br />
The figure is self explanatory.<br />
SIDE VIEW FRONT VIEW<br />
1.5 d 0.8 d<br />
R = 2d<br />
ENGINEERING GRAPHICS 67<br />
L<br />
2d+6<br />
1.2d 1.5d+3 2d+6<br />
28.8 39 54<br />
COMBINATION OF HEXAGONAL HEADED BOLT WITH HEXAGONAL NUT<br />
d<br />
25<br />
0.8d<br />
20<br />
Ø d<br />
Fig 2.31<br />
L<br />
d<br />
1.5d 2d 2d+6<br />
37.5 50 56<br />
SQUARE BOLT AND SQUARE NUT IN POSITION<br />
Ød<br />
L<br />
90<br />
0.8 d<br />
L<br />
90
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