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Engineering, 31.01.2021 21:00 NewKidnewlessons

The tool life decreases from 0.8 min to 0.2 min due to the increase in cutting speed from 60 m/min to 120 m/min in a turning operation. Compute is the value of the cutting speed at 0.4 min.

a-)Determine the spindle speed in rpm.

b-)Find the required power for the unit force.

c-)The friction between tool and workpiece varies 0.25-0.35 during the process.
d-)Calculate the rate of maximum force to minimum force.

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The tool life decreases from 0.8 min to 0.2 min due to the increase in cutting speed from 60 m/min t...
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