1075 Каталог KORLOY 2020 Инструмент и оснастка для станков по металлу Стр.G75

Каталог KORLOY 2020 Инструмент для станков по металлу Стр. G75 1075 Lab2u

Technical Information for Mach Solid Flat Drill O Application methods Application type II ae A Recommended machining conditions Radial depth of cuts should be less than half the drill radius In case of increasing depth of cuts, divide the machining process into two passes Use the tool within 30° from the center of the curve Reduce the feed rate when the tool penetrates the workpiece to the end part Workpiece (0) Slope angle (a°) Performance Applied (fn) £0100 s20° ◎ 100% 20° -40° O 80% £40° A 60% Application type Recommended machining conditions Reduce the feed rate by half the recommended condition when the tool enters the workpiece Reduce the feed rate by half the recommended condition when the tool penetrates the workpiece to the end part Recommended depth of cut is under 2D Recommended slope angle range is under 30° In case of machining at slope angle over 30° reduce the feed rate when the tool enters the workpiece Slope angle (a°) Performance Applied (fn) 20° ◎ 100% 20° -40° O 80% £40° A 60% O Recommended cutting conditions Workpiece Grade vc (m/min) Aspect ratio (L/D) = 2D 3D Feed rate (mm/rev) per drill dia. (mm) ISO Workpiece hb 02.5 04.0 04.1 08.0 08.1 012.0 P Carbon steel Low carbon steel 80-120 PC325U 75 (60-90) 0.03-0.10 0.05-0.15 0.10-0.20 High carbon steel 180-280 PC325U 75 (60-80) 0.03-0.10 0.05-0.15 0.10-0.20 Alloy steel Low alloy steel 140-260 PC325U 65 (50-80) 0.03-0.10 0.05-0.15 0.10-0.20 High alloy steel 50-260 PC325U 65 (50-80) 0.03-0.10 0.05-0.15 0.10-0.20 O Application examples Workpiece Carbon steel (SM45C) Cutti ng c o ndition s Tools vc (m/min) = 80 fn (mm/min) = 0.1 ap (mm) = 12, wet MSFD060-2P (PC325U) Test result ro A MSFD Competitor Workpiece Alloy steel (SCM440) vc (m/min) = 100 fn (mm/min) = 0.1 ap (mm) = 14, wet Tools MSFDH060-3P (PC325U) Cutti ng condition s Test result MSFD Competitor Drills J. 75