Общий каталог Sumitomo 2019 - 2020 - страница 20

Insert GradesSteelStainlessSteelCast IronExotic AlloyHardene dNon-FerrousSteelMetalFor SmallLathes WorkCutting Speed Vc (m/min) Material Depth of Cut ap (mm) Cutting Speed Vc (m/min) Chipbreaker and Grade Selection Guide for Turning Hardened Steel Hardened Steel Grades ● Coated SUMIBORON, Coated Carbide ● Uncoated SUMIBORON 300 300 BNC100 High-precision Machining BNC160 BN1000 BNX20 200 BNC2010 BNC200 200 BNX25 A 100 General-purpose CuttingBNC2020 Interrupted CuttingBNC300 General-purpose Cutting100BN2000 Interrupted CuttingBN350 AC503U (Coated Carbide) 0 0 Finishing Roughing Finishing Roughing Continuous Partially Interrupted Interrupted Continuous Partially Interrupted Interrupted SUMIBORON L2 Chipbreakers LV/FV Type Chipbreaker : For chip control during finishing of hardened steel SV Type Chipbreaker : For chip control during carburised layer removal 0.7 SV Type 0.6 0.5 SV Type 0.4 LV Type 0.3 LV Type 0.2 FV Type FV Type 0.1 0 0.1 0.2 0.3 SUMIBORON Feed Rate f (mm/rev) Break Master L26 Recommended Cutting Conditions Hardened Steel (Red text indicates 1st recommendation) Cutting Conditions Min. - Optimum - Max. Cutting Process Grade Depth of Cut ap (mm) Feed Rate f (mm/rev) Cutting Speed vc (m/min) BNC2010 0.03-0.20-0.35 0.03-0.10-0.25 120-200-300 BNC100 0.03-0.20-0.30 0.03-0.10-0.20 120-200-300 Continuous BN1000 0.03-0.15-0.20 0.03-0.10-0.15 120-180-300 Cutting BNX10 0.03-0.10-0.20 0.03-0.10-0.15 120-180-300 AC503U(Coated Carbide) 0.03-0.50-1.00 0.02-0.05-0.10 40- 70-100 BNC2020 0.03-0.30-0.50 0.03-0.20-0.40 50-130-220 BNC160 0.03-0.20-0.35 0.03-0.10-0.20 120-180-250 General Cutting BNC200 0.05-0.30-0.50 0.05-0.10-0.35 50-130-220 BN2000 0.03-0.20-0.30 0.03-0.10-0.20 50-100-200 BNX20 0.03-0.30-0.50 0.03-0.15-0.30 70-130-170 BNC300 0.03-0.20-0.30 0.03-0.10-0.20 50-100-150 Interrupted Cutting BN350 0.03-0.20-0.30 0.03-0.10-0.20 50-100-150 BNX25 0.03-0.20-0.50 0.03-0.15-0.30 120-160-220 A20