1. Figure 21.4 provides suggested cutting speeds and feeds for turn- ing. You are cutting a...

1. Figure 21.4 provides suggested cutting speeds and feeds for turn- ing. You are cutting a wrought carbon steel (1012) at normalized to 100 Bhn and have have selected a high speed steel tool. For a DOC of 150 in., What speed and feed would you select?

2. For problem 1, suppose you selected a speed of 145 sfpm and a feed of 0.015 in. per revolution. The workpiece is 4 in. in diameter.

a. What is the input rpm? b. What is the MRR? c. What is the cutting time for a 6-in. cut?

Only question 2 please.. if you need more info please let me know

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samet mamat answered 2 years ago

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