31 Каталог KORLOY 2020 Инструмент и оснастка для станков по металлу Стр.A19

Каталог KORLOY 2020 Инструмент для станков по металлу Стр. A19 0031 Lab2u

Turning Grades O The physical properties of uncoated carbide grades Workpiece Grade Hardness (HRA) TRS (kgf/mm2) Young’s modulus (103kgf/mm2) Thermal expansion coefficient (10'6/°C) Thermal conductivity (cal/cm sec °C P ST10 92.1 175 48 6.2 25 ST20 91.9 200 56 5.2 45 ST30A 91.3 230 53 5.2 - M U20 91.1 210 88 ST30A 91.3 230 53 5.2 - K H01 92.9 210 66 4.7 109 G10 90.9 250 63 105 S H01 92.9 210 66 4.7 109 H05 91.8 250 - 1KPa = 102kgf/m2, 1w/mk = 2.39x10-3cal/cm'sec'°c Application examples (H01/H05) S Titanium alloy (Ti-6Al-4V) Cutting condition vc (m/min) = 100 fn (mm/rev) = 0.1 ap (mm) = 0.5, wet Designation Insert : CNMG120408-VP1 (H01) Holder: PCLNR2525-M12 Test result H01 (VP1) H01 (VP3) Competitor S Titanium alloy (Ti-6Al-4V) Cutting condition vc (m/min) = 80 fn (mm/rev) = 0.2 ap (mm) = 2.0, wet Designation Insert : CNMG120408-VP3 (H05) Holder : PCLNR2525-M12 Test result H05 Competitor A Competitor B S Titanium alloy (Ti-6Al-4V) Workpiece Part of an industrial machine Cutting condition Designation Test result CD A vc (m/min) = 60, fn (mm/rev) = 0.2 ap (mm) = 0.8, wet Insert : CNMG120408-VP3 (H01) Holder : PCLNR2525-M12 H01 Competitor S Titanium alloy (Ti-6Al-4V) Workpiece Part of an industrial machine Cutting condition Designation Test result CD A vc (m/min) = 50, fn (mm/rev) = 0.15 ap (mm) = 2.0, wet Insert : CNMG120408-VP3 (H05) Holder: PCLNL2525-M12 H05 Competitor Grades & Chip Breakers 19