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 ...
Example 26: Solution: Example 27: Solution: 0.25t MACHINE DRAWING Sketch freehand the Front view, Top view and Side view of a woodruff key, suitable for a shaft of diameter 40mm. Give standard dimensions. Refer Fig 2.59 t R=2t Fig 2.59 Sketch freehand a woodruff-key in position, on a shaft of diameter 60mm, keeping the axis of the shaft parallel to V.P and H.P. Give standard dimensions. Refer Fig 2.60 0.25t WOODRUFF KEY R=2t FRONT VIEW D 40 t = D 6 84 ENGINEERING GRAPHICS t R=2t SIDE VIEW R = 2t 0.25t 6.7 13.4 10 WOODRUFF KEY 0.5t Ød SECTIONAL SIDE VIEW WOODRUFF KEY WITH SHAFT Fig 2.60 t FRONT VIEW TOP VIEW d 60 0.25t 0.5t 0.25t 2t 20 1 0 2.5 5
MACHINE DRAWING 2.15.1.3 DOUBLE HEADED FEATHER KEY WITH GIB HEAD Example 28: Solution: Feather key is a kind of sunk parallel key. In parallel key, the thickness remains same throughout the length of the key. Fig 2.61 shows a feather key with gib head. A double head feather key with gib head on both ends grips the hub between its heads. Sketch freehand the front view, side view and plan of a double-head gib key for a shaft of diameter 60mm. Give standard dimensions. Refer Fig 2.62 W FEATHER KEY 45° RIGHT SIDE VIEW FRONT VIEW L L TOP VIEW 1.5t Fig 2.62 DOUBLE HEADED GIB HEADED FEATHER KEY Fig 2.61 ENGINEERING GRAPHICS 85 1.5t 45° t W t 1.75t 1.75t d 60 W t 1.5t 15 10 15 1.75t 17.5 DOUBLE HEADED GIB HEADED FEATHER KEY
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- Page 55 and 56: MACHINE DRAWING 2.4.2 METRIC THREAD
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- Page 59 and 60: MACHINE DRAWING 2.5 BOLTS In day to
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- Page 97 and 98: BEARINGS 3. Plummer Block or Pedest
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- Page 111 and 112: BEARINGS EXPLODED VIEW OF A FOOT ST
- Page 113 and 114: BEARINGS 5 15 15 40 15 15 ENGINEERI
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- Page 117 and 118: ROD JOINTS DIMENSIONS OF A COTTER:
- Page 119 and 120: ROD JOINTS SLEEVE AND COTTER JOINT:
- Page 121 and 122: ROD JOINTS Solution of fig : 4.5 Qu
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MACHINE DRAWING<br />
2.15.1.3 DOUBLE HEADED FEATHER KEY WITH GIB HEAD<br />
Example 28:<br />
Soluti<strong>on</strong>:<br />
Feather key is a kind <strong>of</strong> sunk parallel key.<br />
In parallel key, the thickness remains<br />
same throughout the length <strong>of</strong> the key. Fig<br />
2.61 shows a feather key with gib head. A<br />
double head feather key with gib head <strong>on</strong><br />
both ends grips the hub between its<br />
heads.<br />
Sketch freehand the fr<strong>on</strong>t view, side view and plan <strong>of</strong> a double-head gib key for a<br />
shaft <strong>of</strong> diameter 60mm. Give standard dimensi<strong>on</strong>s.<br />
Refer Fig 2.62<br />
W<br />
FEATHER KEY<br />
45°<br />
RIGHT SIDE VIEW FRONT VIEW<br />
L<br />
L<br />
TOP VIEW<br />
1.5t<br />
Fig 2.62<br />
DOUBLE HEADED<br />
GIB HEADED FEATHER KEY<br />
Fig 2.61<br />
ENGINEERING GRAPHICS 85<br />
1.5t<br />
45°<br />
t<br />
W<br />
t<br />
1.75t<br />
1.75t<br />
d 60<br />
W<br />
t<br />
1.5t<br />
15<br />
10<br />
15<br />
1.75t 17.5<br />
DOUBLE HEADED GIB HEADED FEATHER KEY
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