Question
A disc of 200 mm outer and 80 mm inner diameter is faced at a feed of 0.1 mm/rev with a depth of cut of
1 mm. The facing operation is undertaken at a constant cutting speed of 90 m/min in a CNC lathe. The main
(tangential) cutting force is 200 N. Assuming approach and over-travel of the cutting tool to be zero, the machining time in min is
1 mm. The facing operation is undertaken at a constant cutting speed of 90 m/min in a CNC lathe. The main
(tangential) cutting force is 200 N. Assuming approach and over-travel of the cutting tool to be zero, the machining time in min is
Answer: Option A
Was this answer helpful ?
-NA-
Was this answer helpful ?
More Questions on This Topic :
Latest Videos
Latest Test Papers
Submit Solution