Answers (8)

roze 02-09-2012
roze - Alagappa University
Extrusion is a compression process in which the work material is forced to flow through a die orifice, thereby forcing its cross section to assume the profile of the orifice.
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agrata 01-11-2012
agrata - Avila University (MO)
"In indirect extrusion, also known as backwards extrusion, the billet and container move together while the die is stationary. The die is held in place by a ""stem"" which has to be longer than the container length. The maximum length of the extrusion is ultimately dictated by the column strength of the stem. Because the billet moves with the container the frictional forces are eliminated. This leads to the following advantages "
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