Q16
For machining a cast iron workpiece by a high speed steel tool, the average cutting speed is
A.
10 m/min
B.
15 m/min
C.
22 m/min
AnswerD.
30 m/min
Answer: Option C
Solution
Answer: Option C
Solution:
For machining a cast iron workpiece by a high speed steel tool, the average cutting speed is 22 m/min and for a mild steel is 30 m/min