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 18:<br />
Soluti<strong>on</strong>:<br />
Steps Involved:<br />
Example 19:<br />
Soluti<strong>on</strong><br />
Sketch freehand the Fr<strong>on</strong>t view and<br />
Top view <strong>of</strong> a Plain stud <strong>of</strong> diameter =<br />
20mm, keeping its axis vertical.<br />
Fefer Fig 2.43<br />
(i) Calculate the values <strong>of</strong> standard<br />
dimensi<strong>on</strong>s.<br />
(ii) Draw free hand two circles <strong>of</strong><br />
diameters d =20mm and 0.85d = 17<br />
mm as top view.<br />
(iii) Draw a rectangle for the fr<strong>on</strong>t view<br />
with approximate measurements.<br />
(iv) The metal end is chamfered and the<br />
nut end is either chamfered or<br />
rounded.<br />
(v) Dimensi<strong>on</strong> the views in term <strong>of</strong> 'd'.<br />
NUT END SIDE<br />
2d+6<br />
TOP VIEW<br />
PLAIN STUD<br />
Fig 2.43<br />
Sketch free hand the Fr<strong>on</strong>t view and Side view <strong>of</strong> a collar stud with diameter 20<br />
mm, when its axis is parallel to V.P and H.P. Give standard dimensi<strong>on</strong>s.<br />
2d+6<br />
R=d<br />
d<br />
20<br />
0.4d<br />
FRONT VIEW<br />
1.5d<br />
30<br />
ENGINEERING GRAPHICS 75<br />
2d+6<br />
46<br />
COLLAR STUD<br />
Fig 2.44<br />
ANY<br />
METAL<br />
END SIDE<br />
d to 1.5 d<br />
Ø d<br />
0.4d<br />
08<br />
0.85 d<br />
Ø 1.5 d<br />
Ø d<br />
FRONT VIEW<br />
SIDE VIEW<br />
d 20<br />
0.85d 17<br />
1.5d 30<br />
2d+6 46
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