Ch15 Metal Extrusion And Drawing Processes
Ch15 Metal Extrusion And Drawing Processes
Ch15 Metal Extrusion And Drawing Processes
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FIGURE 15.8 <strong>Extrusion</strong> of a seamless tube<br />
(a) using using an an internal internal mandrel mandrel that that moves moves independently independently of<br />
of<br />
the ram. (An alternative arrangement has the mandrel<br />
integral with the ram.)<br />
(b) using i a spider id die di (see ( Fig. Fi 15.9) 15 9) to t produce d seamless l<br />
tubing.
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