Surface Layer States of Worn Uncoated and TiN-Coated WC/Co-Cemented Carbide Cutting Tools after Dry Plain Turning of Carbon Steel

Table 2

Cutting parameter combinations used in cutting experiments for the uncoated tool (all values) and for the TiN coated tool (values marked with symbol *).

Cutting speed (m/min)	50*	100*	125	150*	100	100	100	100	100*
Feed rate (mm/rev)	0.2*	0.2*	0.2	0.2*	0.1	0.15	0.25	0.3	0.5*