Calculate the machining time to complete the job as shown below from a bar 120 mm long and 60 mm diameter, Assume: cutting speed for turning 30 m/min, feed for turning 1 mm/rev, depth of cut not to exceed 5 mm, cutting speed for drilling 25 m/min, feed for drilling 0.3 mm/rev, point angle 120°? 30 30 60 Ø40
Calculate the machining time to complete the job as shown below from a bar 120 mm long and 60 mm diameter, Assume: cutting speed for turning 30 m/min, feed for turning 1 mm/rev, depth of cut not to exceed 5 mm, cutting speed for drilling 25 m/min, feed for drilling 0.3 mm/rev, point angle 120°? 30 30 60 Ø40
Precision Machining Technology (MindTap Course List)
2nd Edition
ISBN:9781285444543
Author:Peter J. Hoffman, Eric S. Hopewell, Brian Janes
Publisher:Peter J. Hoffman, Eric S. Hopewell, Brian Janes
Chapter5: Turning
Section5.3: Machining Operations On The Lathe
Problem 5RQ: Calculate spindle RPM and machining time for cutting a 1.5" diameter 4" long at 225 SFPM using a...
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