Subject: Production Process 2

Topic: Metal Cutting

Difficulty: Medium

"A workpiece of 38 mm diameter is being turned on a lathe with a tool having a rake angle of 33 degree and a feed of 0.15 mm/rev. The length of chip over one revolution of workpiece is 72 mm. The cutting speed is 12.5 m/min. The tangential force is 410N and feed force is 170N Calculate,

a) Coefficient of friction on rake face

b) Thickness of chip

c) Velocity of shear

d) Velocity of chip along the tool face."