Turning Grades Cutting performance (NC3220) P Alloy Steel (SCR420H, hot forging) P Carbon Steel(S48C, cold forging) Cutting vc(m/min) = 360 430 condition f

Turning Grades Cutting performance (NC3220) P Alloy Steel (SCR420H, hot forging) P Carbon Steel(S48C, cold forging) Cutting vc(m/min) = 360 430 condition fn(mm/rev) = 0.2 ap(mm) = 1.2 1.5 (external machining / facing), wet i Designation insert HOLDER Test result CNMG120408-VB(NC3220) PCLNR2225-M12 076 - 020 NC3220 Competitor Cutting condition vc(m/min) = 280 fn(mm/rev) = 0.2 0.25 ap(mm) = 1 dry i Designation insert HOLDER i Test result CNMG120412-VB(NC3220) PCLNR2525-M12 80 120 NC3220 Competitor 379 250 320 150 P Alloy Steel (SCM420H, hot forging) P Carbon Steel(S53C, cold forging) i Cutting vc(m/min) = 80 500 condition fn(mm/rev) = 0.15 0.3 (External machining / facing / grooving / tapping) ap(mm) = 0.7 1.5, wet i Designation insert HOLDER Test result DNMG150608-VB(NC3220) PDJNR2525-M15 030 NC3220 Competitor 175 Cutting vc(m/min) = 280 condition fn(mm/rev) = 0.2 0.25 (External machining / internal machining) ap(mm) = 1, dry i Designation insert DNMG150608-VB(NC3220) HOLDER PDJNR2525-M15 Test result 160 090 13 9 Alloy Steel (SCR series, cold forging) Cutting vc(m/min) = 314 condition fn(mm/rev) = 0.25 (external machining / facing) ap(mm) = 1, wet Designation insert CNMG120408-VM(NC3220) HOLDER PCLNR2525-M12