Guide to the select of composite cutting tools

Description of symbols used on range

Composite cutting tools are are marked according to a table containing a description of a given range.

Workpiece material	Processing	Cutting speed – V [m/min] [m/min]	Feed rate – S [mm/rev]	Depth of cut – t [m/min]
tool steels, alloy steels, structural steels and hardened steels with a hardness of 40÷60HRC	without impact loads	50 ÷ 180	0,03 ÷ 0,2	0,05 ÷ 3,0
tool steels, alloy steels, structural steels and hardened steels with a hardness of 40÷60HRC	with impact loads	40 ÷ 120	0,03 ÷ 0,1	0,05 ÷ 1,0
high-speed steels, tool steels, high-alloy steels, hardened steels with a hardness of 58÷70HRC	without impact loads	50 ÷ 120	0,03 ÷ 0,01	0,05 ÷ 0,8
high-speed steels, tool steels, high-alloy steels, hardened steels with a hardness of 58÷70HRC	with impact loads	40 ÷ 100	0,03 ÷ 0,07	0,05 ÷ 0,4
grey and high-strength cast iron with a hardness of 160÷270HB	without impact loads	400 ÷ 1000	0,03 ÷ 0,5	0,05 ÷ 3,0
grey and high-strength cast iron with a hardness of 160÷270HB	with impact loads	300 ÷ 800	0,03 ÷ 0,2	0,05 ÷ 2,0
white cast iron with a hardness of 400÷600HB	without impact loads	50 ÷ 200	0,03 ÷ 0,5	0,05 ÷ 2,0
white cast iron with a hardness of 400÷600HB	with impact loads	40 ÷ 90	0,03 ÷ 0,1	0,2 ÷ 0,5
sintered carbides with a cobalt content of at least 15% and a hardness of 88÷90HRA	without impact loads	5 ÷ 20	0,03 ÷ 0,1	0,1 ÷ 0,2
wear-resistant nickel-based coatings (plasma deposited) with a hardness of 47÷57HRC	without impact loads	4 ÷ 100	0,03 ÷ 0,15	0,1 ÷ 0,5

Workpiece material	Processing	Cutting speed – V [m/min]	Feed rate – S [mm/rev]	Depth of cut – t [m/min]
tool steels, alloy steels, structural steels and hardened steels with a hardness of 40÷60HRC	roughing	40 ÷ 90	0,1 ÷ 0,15	0,3 ÷ 0,5
tool steels, alloy steels, structural steels and hardened steels with a hardness of 40÷60HRC	semi-finishing	50 ÷ 100	0,04 ÷ 0,06	0,1÷0,3
tool steels, alloy steels, structural steels and hardened steels with a hardness of 40÷60HRC	finishing	60 ÷ 100	0,005 ÷ 0,02	0,05 ÷ 0,1
high-speed steels, tool steels, high-alloy steels, hardened steels with a hardness of 58÷64HRC	semi-finishing	40 ÷ 70	0,03 ÷ 0,07	0,2 ÷ 0,4
high-speed steels, tool steels, high-alloy steels, hardened steels with a hardness of 58÷64HRC	finishing	60 ÷ 80	0,005 ÷ 0,02	0,05 ÷ 0,1
grey and high-strength cast iron with a hardness of 160÷270HB	roughing	200 ÷ 300	0,1 ÷ 0,15	0,5 ÷ 0,7
grey and high-strength cast iron with a hardness of 160÷270HB	semi-finishing	300 ÷ 400	0,02 ÷ 0,08	0,2 ÷ 0,5
white cast iron with a hardness of 400÷600HB	roughing	60 ÷ 100	0,01 ÷ 0,15	0,5 ÷ 0,7
white cast iron with a hardness of 400÷600HB	semi-finishing	100 ÷ 160	0,02 ÷ 0,07	0,2 ÷ 0,5
sintered carbides	semi-finishing	5 ÷ 10	0,04 ÷ 0,09	0,1 ÷ 0,2
sintered carbides	finishing	8 ÷ 12	0,005 ÷ 0,02	0,05 ÷ 0,1