Общий каталог Mitsubishi 2020 - 2021 - страница 1693

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DRILLING (EXCHANGEABLE HEAD) TAW RECOMMENDED CUTTING CONDITIONS DCWork Material &.5625" ─ &.6094"& 14.0─ & 15.4mm &.6250" ─ &.7188"& 15.5 ─ & 18.4mm &.7344" ─ &.8438"& 18.5 ─ & 21.4mm Conditions Cutting Speed Feed fr Cutting Speed Feed fr Cutting Speed Feed fr Hardness vc (SFM) (IPR) vc (SFM) (IPR) vc (SFM) (IPR) P Mild Steel < 180HB 230 (195 ─295) .008 (.006─.010) 260 (195─330) .010 (.008─ .012) 295 (230─ 360) .010 (.008 ─ .012) Carbon Steel 180 ─280HB 230 (195 ─295) .008 (.006─.010) 260 (195─330) .010 (.008─.012) 260 (195─330) .010 (.008 ─ .012) Alloy Steel 280 ─350HB 195 (165 ─260) .006 (.005─ .007) 230 (165─295) .008 (.006─ .010) 230 (165─295) .008 (.006─ .010) M Stainless Steel < 200HB 165 (130 ─195) .006 (.005─.007) 165 (130─195) .006 (.005─ .007) 195 (165─ 230) .008 (.006 ─ .009) K Gray Cast Iron Tensile Strength< 350MPa230 (165 ─295).008 (.006─.010)330 (195─395) .010 (.008─ .012) 390 (195─ 460) .010 (.008 ─ .012) Ductile Cast Iron Tensile Strength< 450MPa230 (165 ─295).008 (.006─.010)260 (195─295) .010 (.008─ .012) 260 (195 ─295) .010 (.008 ─.012) DCWork Material &.8594" ─ &.9531"& 21.5─ & 24.4mm &.9688" ─ &1.0781" & 1.0938" ─ & 1.1875"& 24.5 ─ & 27.4mm& 27.5 ─ & 30.4mm Conditions Cutting Speed Feed fr Cutting Speed Feed fr Cutting Speed Feed fr Hardness vc (SFM) (IPR) vc (SFM) (IPR) vc (SFM) (IPR) P Mild Steel < 180HB 330 (260 ─390) .012 (.010─.014) 360 (260─390) .012 (.010─ .014) 360 (260─ 390) .012 (.010 ─ .014) Carbon Steel 180 ─280HB 295 (230 ─360) .012 (.010─.014) 330 (260─390) .012 (.010─.014) 330 (260─390) .012 (.010 ─ .014) Alloy Steel 280 ─350HB 260 (195 ─330) .010 (.008─ .012) 295 (230─360) .010 (.008─ .012) 295 (230─360) .010 (.008─ .012) M Stainless Steel < 200HB 195 (165 ─230) .008 (.006─.009) 230 (195─260) .010 (.008─ .011) 230 (195─ 260) .010 (.008 ─ .011) K Gray Cast Iron Tensile Strength< 350MPa425 (260 ─490).014 (.010─.016)460 (295─525) .014 (.010─ .016) 460 (295 ─525) .016 (.012 ─.018) Ductile Cast Iron Tensile Strength< 450MPa295 (195 ─330).012 (.010─.014)330 (260─360) .012 (.010─ .014) 330 (260 ─360) .012 (.010 ─.014) NOTES ON USE y INSERT INSTALLATION a Loosen insert screw of holder to install insert. a Mesh the insert serration to holder grooves. a Fasten the insert screw using the provided wrench while holding rake face of the insert lightly with your thumb. (Figure 1) a Check that there is no clearance between the insert bottom and holder flute end. (Figure 2) Slit M OK NG Clearance Figure 1 Figure 2 y NOTE ON INSERT REPLACEMENT a Clean insert guide grooves by blowing air before installing a new insert. a Clean the “slit” underneath the insert on the holder with the provided plate. a Use the provided anti-seize lubricant for lubricating the threads of the insert screw. M220 DRILLING