Ch15 Metal Extrusion And Drawing Processes
Ch15 Metal Extrusion And Drawing Processes
Ch15 Metal Extrusion And Drawing Processes
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<strong>Drawing</strong> g Practice<br />
Usually, the smaller the initial cross section, the<br />
smaller smaller the reduction per pass<br />
Fine wires: 15 – 25% reduction<br />
Larger g wires: 20 – 45% reduction<br />
Usually a ‘cold’ process (room temperature)<br />
Sizing Sizing Sizing Sizing Pass Pass Pass Pass<br />
A small reduction on rods to improve finish &<br />
dimensional accuracy<br />
Results in non non-uniform uniform deformation across section
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