hw4Fs09 - Manufacturing Methods Fall, 2009 MAE 4500 1....

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Manufacturing Methods MAE 4500 Fall, 2009      Homework #4                                                                                                                                                                                                       1. A 1015 steel disc of 8.0 in. diameter and 1.0 in. in height is forged cold in a press of  v=300 ipm.  No lubricant is used.  Calculate:  (a) the starting workpiece length, if  bar diameter is 5.0 in., (b) the flow stress at the end of the stroke, (c) the average  die pressure, (d) the forging force.  (e) What decrease in die pressure and forging  force would occur if mineral oil is used as a lubricant? 2.
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This note was uploaded on 06/29/2011 for the course MAE 4500 taught by Professor El-gizawy during the Spring '06 term at Missouri (Mizzou).

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hw4Fs09 - Manufacturing Methods Fall, 2009 MAE 4500 1....

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