In a single pass turning operation the cutting speed is the only variable Based on the cutting time cost and the cutting edge cost. The tool life for minimum cost given that cost of $$1$$ cutting edge is Rs.$$5$$, operator wages including the machine tool cost is Rs. $$75$$/hour and tool life equation is $$V{T^{0.1}}$$ is $$100.$$

Reamers have usually even number of teeth so that the cutting forces on teeth are properly balanced.

A grinding wheel is said to be glazed if

The material most commonly used for manufacturing of machine tool beds is