Question

In a turning operation the following parameters apply:

Cutting speed 200 m/min

Cut depth = 4 mm

Rake angle 15^o

Thrust force F_t = 1400 N

Resultant of cutting force F_c and thrust force F_t = 2523.9 N

Assume Merchant’s analysis applies, and find:

a)Power consumed in shearing the material

b)Coefficient of friction between chip and tool

Answer 1