3257/CH9/EX9.6/Ex9_6.txt


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 Example 9.6

 Part A:
 Machining time for EDM is 5.4 min.
 This time is 2.46 time of that for ECM. 
 This time is 17.41 time of that for drilling. 
 Part B:
 Wear rate of electrode is 0.064 mm^3/min.