Manufacturing And Production Technology
The tool life is said to be over if

Poor surface finish is obtained
Overheating and fuming due to heat of friction starts
All of these
There is sudden increase in cutting forces and power consumption

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Manufacturing And Production Technology
The facing is an operation of

Reducing the diameter of a workpiece over a very narrow surface
Machining the ends of a workpiece to produce a flat surface square with the axis
Beveling the extreme end of a workpiece
Embossing a diamond shaped pattern on the surface of a workpiece

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