Ch15 Metal Extrusion And Drawing Processes
Ch15 Metal Extrusion And Drawing Processes
Ch15 Metal Extrusion And Drawing Processes
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<strong>Extrusion</strong> Process<br />
Direct (or Forward) <strong>Extrusion</strong><br />
Billet ll in chamber h b is pushed h d through h h die d by b hydraulic h d l<br />
ram<br />
Indirect (or (or Reverse, Inverted, Backward)<br />
<strong>Extrusion</strong><br />
The die moves toward the billet<br />
Hydrostatic <strong>Extrusion</strong><br />
Billet in chamber is surrounded by fluid<br />
L Lateral t l (or ( Side) Sid ) <strong>Extrusion</strong> E t i<br />
Impact <strong>Extrusion</strong><br />
Punch descends rapidly on blank which which is is extruded<br />
extruded<br />
backwards
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