Drawing of rods, wires and tubes
Drawing of rods, wires and tubes
Drawing of rods, wires and tubes
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Tube-drawing Tube drawing processes<br />
Seamless stainless <strong>tubes</strong>/pipes<br />
Copper <strong>and</strong> brass <strong>tubes</strong><br />
Tube drawing<br />
• Following the hot forming process,<br />
<strong>tubes</strong> are cold drawn using dies,<br />
plugs or m<strong>and</strong>rels to the required<br />
shape, size, tolerances <strong>and</strong><br />
mechanical strength.<br />
• provides good surface finishes.<br />
• increase mechanical properties by<br />
strain hardening.<br />
• can produce <strong>tubes</strong> with thinner walls<br />
or smaller diameters than can be<br />
obtained from other hot forming<br />
methods.<br />
• can produce more irregular shapes.<br />
Suranaree University <strong>of</strong> Technology Tapany Udomphol<br />
Jan-Mar 2007
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