A drilling operation is to be performed on a cast iron workpiece to form a through hole that wifl be subsequently tapped. The hole diameter is 0.40 in., and the material thickness is 1.25 in. The poi...

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Question

A drilling operation is to be performed on a cast iron workpiece to form a through hole that wifl be subsequently tapped. The

Answer 1

Answer #1

data Answe Given Fost Di ling opesation hole diametex D=0.4in Matetial thickness t- 125 n Helix angie , cutting speed , v 118

Answer 2

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