4. An alloy is extruded w/o lubrication from 15 cm diameter to 5 cm diameter. The extrusion speed is 5 cm/sec, true stress of material is 250 mpa, length of billet is 37.5 cm, coeff of friction = 0.1, semi die angle is 45 degree. Calculate the extrusion load required considering well friction.
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forces Bulk deformation is the processing of workpieces that have a relatively small surfacearea-to-volume (or surface-area-tothickness) Bulk Deformation Bulk Deformation processes can be grouped by : Deformation Temperature Size Shape of the work-piece Type of operation For example, using temperature as a criterion
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