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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TIE-ROD AND PIPE JOINTS<br />
(We have discussed about the c<strong>on</strong>venti<strong>on</strong>al representati<strong>on</strong> <strong>of</strong> screw threads (RH & LH) in the<br />
previous chapter, refer secti<strong>on</strong> 3).<br />
Even the two rods / ring bolts have threads <strong>of</strong> opposite hand, which are screwed in and out <strong>of</strong> the<br />
body simultaneously to adjust the pull/ push (tensi<strong>on</strong>) or length, without twisting the wires or<br />
attached cables.<br />
5.1.2 Orthographic views<br />
Example 1<br />
ASSEMBLY OF A TURNBUCKLE (PICTORIAL VIEW)<br />
Fig 5.4<br />
Now, let us understand their orthographic views, with the help <strong>of</strong> an example and move <strong>on</strong><br />
to assembly <strong>of</strong> different parts <strong>of</strong> the `Turnbuckle' and then drawing <strong>of</strong> the required<br />
secti<strong>on</strong>al views.<br />
The fig 5.5 shows details <strong>of</strong> the parts <strong>of</strong> a Turnbuckle. Assemble these parts<br />
correctly and then draw its following views to scale 1:1, inserting 50mm<br />
threaded porti<strong>on</strong> <strong>of</strong> each rod inside the body <strong>of</strong> Turnbuckle.<br />
(a) Fr<strong>on</strong>t view, upper half in secti<strong>on</strong>.<br />
(b) Top view.<br />
ROD END (LH)<br />
(c) Side view as viewed from left.<br />
ROD END (RH)<br />
SOCKET / BODY<br />
Write heading and scale used. Draw projecti<strong>on</strong> symbol. Give important<br />
dimensi<strong>on</strong>s.<br />
ENGINEERING GRAPHICS 137
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