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 ...

24.04.2013 Views

116 ROD JOINTS of alignment so that driving in of the cotter tends to pull the slots in a line, thus making the joint perfectly tight and rigid. A clearance of 2 to 3 mm is made in these joints for the proper functioning of the cotter. CLEARANCE X,Y AND Z=3mm 1 Ø1.75d Ø d 2 SECTION AT GG 3.3d-6mm Ø1.2d Z Y 3 mm gap 1.3d TAPER 1:30 X 3 Fig 4.12 0.4d Ø d Ø1.5d Ø2.5d ENGINEERING GRAPHICS G 0.3d PARALLEL FRONT VIEW LEFT SIDE VIEW TOP VIEW d TAPER SOCKET AND SPIGOT JOINT R R G 3.5d TO 4d

ROD JOINTS Question: The details of a socket and spigot joint are shown in fig 4.13. Assemble these parts correctly and then draw its following views to scale full size. Ø24 Ø36 (a) Front view upper half in section. (b) Side view, as viewed from right. Print heading and scale used. Draw projection symbol. Give six important dimensions SPIGOT (1-OFF) 12 3 18 34 70 84 18 Ø29 Ø29 FRONT VIEW FRONT VIEW FRONT VIEW 8 31 TAPER 1:30 COTTER (1-OFF) DETAILS OF A SOCKET AND SPIGOT COTTER JOINT Fig 4.13 ENGINEERING GRAPHICS 117 24 73 31 3 21 12 SOCKET (1-OFF) Ø24 Ø42

116<br />

ROD JOINTS<br />

<strong>of</strong> alignment so that driving in <strong>of</strong> the cotter tends to pull the slots in a line, thus making the joint<br />

perfectly tight and rigid. A clearance <strong>of</strong> 2 to 3 mm is made in these joints for the proper<br />

functi<strong>on</strong>ing <strong>of</strong> the cotter.<br />

CLEARANCE X,Y AND Z=3mm<br />

1<br />

Ø1.75d<br />

Ø d<br />

2<br />

SECTION AT GG<br />

3.3d-6mm<br />

Ø1.2d<br />

Z Y<br />

3 mm gap<br />

1.3d<br />

TAPER 1:30<br />

X<br />

3<br />

Fig 4.12<br />

0.4d<br />

Ø d<br />

Ø1.5d<br />

Ø2.5d<br />

ENGINEERING GRAPHICS<br />

G<br />

0.3d<br />

PARALLEL<br />

FRONT VIEW LEFT SIDE VIEW<br />

TOP VIEW<br />

d<br />

TAPER<br />

SOCKET AND SPIGOT JOINT<br />

R<br />

R<br />

G<br />

3.5d TO 4d

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