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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Example 21:<br />
Soluti<strong>on</strong>:<br />
Example 22:<br />
45°<br />
MACHINE DRAWING<br />
Sketch freehand the fr<strong>on</strong>t view and top view <strong>of</strong> a 90° flat counter sunk machine<br />
screw <strong>of</strong> size M2O, keeping its axis vertical. Give standard dimensi<strong>on</strong>s.<br />
Refer Fig 2.48<br />
Fig 2.48<br />
d 20<br />
0.2d 4<br />
0.25d 5<br />
d/8 2.5<br />
0.85d 17<br />
1.8d 36<br />
Sketch freehand the fr<strong>on</strong>t view and top view <strong>of</strong> a socket head machine screw <strong>of</strong><br />
size M10, keeping its axis perpendicular to H.P. Give standard dimensi<strong>on</strong>s.<br />
0.5d<br />
0.12d<br />
1.8d<br />
0.2d<br />
0.85d<br />
Ø d<br />
FRONT VIEW<br />
TOP VIEW<br />
0.85d<br />
0.85d<br />
0.8d<br />
Ø d<br />
0.25d<br />
FRONT VIEW<br />
TOP VIEW<br />
90° FLAT CSK SCREW<br />
SOCKET HEAD<br />
MACHINE SCREW<br />
Fig 2.49<br />
d 10<br />
0.8d 8<br />
0.85d 8.5<br />
1.5d 15<br />
0.12d 1.2<br />
0.5d 5<br />
78 ENGINEERING GRAPHICS
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