Cutting Conditions (Guide) : : Stable Cutting : General Cutting : Unstable Cutting ( inch) Cutter Diameter DC Work Material Properties Cutting Width CuttingaeConditionsø1.000 (ø25 mm) ø1.125─ø3.000 (ø28 mm-ø80 mm)Depth of CutFeed per Tooth.Depth of CutFeed per Tooth. ap fz (IPT) ap fz (IPT) K < .25DC <.433<.433 .004 ─ .008.003 ─ .006 <.433<.433 .004 ─ .012.004 ─ .010 Gray Cast Iron Tensile Strength .25─.5DC < 350MPa.5─.75DC <.433<.433<.315<.315.003 ─ .006.003 ─ .005.003 ─ .005.002 ─ .004<.433<.433<.315<.315.004 ─ .010.004 ─ .008.004 ─ .008.003 ─ .006 DC(Slot) <.197<.197 .002 ─ .004.002 ─ .003 <.197<.197 .003 ─ .006.003 ─ .005 < .25DC <.433<.433 .004 ─ .008.004 ─ .006 <.433<.433 .004 ─ .010.004 ─ .008 Ductile Cast Iron Tensile Strength .25─.5DC< 800MPa.5─.75DC <.433<.433<.315<.315.004 ─ .006.003 ─ .005.003 ─ .005.002 ─ .004<.433<.433<.315<.315.004 ─ .008.004 ─ .006.004 ─ .006.003 ─ .005 DC(Slot) <.197<.197 .002 ─ .004.002 ─ .003 <.197<.197 .003 ─ .005.002 ─ .004 N < .25DC <.433<.433 .004 ─ .010.004 ─ .008 <.433<.433 .004 ─ .010.004 ─ .008 Aluminum Alloy Content .25─.5DC <.433<.433Si<5%.5─.75DC <.315<.315.004 ─ .008.004 ─ .006.002 ─ .006.002 ─ .006<.433<.433<.315<.315.004 ─ .008.004 ─ .006.003 ─ .006.003 ─ .006 DC(Slot) <.197<.197 .002 ─ .006.002 ─ .006 <.197<.197 .003 ─ .006.003 ─ .005 S < .25DC <.433 .003 ─ .006 <.433 .003 ─ .006 Titanium Alloy(Ti-6Al-4V,etc.)─ .25─.5DC.5─.75DC <.433 .003 ─ .005 <.433 .003 ─ .005<.315.002 ─ .004<.315.002 ─ .004 DC(Slot) <.197 .002 ─ .004 <.197 .002 ─ .004 < .25DC <.433 .003 ─ .005 <.433 .003 ─ .005 Titanium Alloy ─(Ti-5Al-5V-5Mo-3Cr,etc.).25─.5DC.5─.75DC <.433 .003 ─ .005 <.433 .003 ─ .005<.315.002 ─ .004<.315.002 ─ .004 DC(Slot) <.197 .002 ─ .004 <.197 .002 ─ .004 < .25DC <.433 .003 ─ .005 <.433 .003 ─ .005 Heat Resistant Alloy ─ .25─.5DC.5─.75DC <.433 .003 ─ .005 <.433 .003 ─ .005<.315.002 ─ .004<.315.002 ─ .004 DC(Slot) <.197 .002 ─ .004 <.197 .002 ─ .004 H < .25DC <.197<.197 .003 ─ .006.003 ─ .005 <.197<.197 .003 ─ .006.003 ─ .005 Hardened Steel Hardness .25─.5DC 40─55HRC.5─.75DC <.157<.157<.118<.118.003 ─ .005.002 ─ .004.002 ─ .004.002 ─ .004<.157<.157<.118<.118.003 ─ .005.002 ─ .004.002 ─ .004.002 ─ .003L DC(Slot) <.079<.079 .002 ─ .004.002 ─ .004 <.079<.079 .002 ─ .004.002 ─ .003 Note 1) These cutting conditions should be referenced for standard shank types (last letter in designation is S) and arbor shank types. If there is chatter, insert chipping, etc. during machining, alter conditions accordingly. Note 2) Chattering vibration is more likely under the following circumstances. Use a cut and feed per tooth that are at minimum recommended conditions or below. • When tool overhang is long (using a long shank, screw-in type, etc.) • Rigidity of machine, work material or attachment of work material is low • Corner radius during pocket milling Note 3) A type with fewer teeth is recommended when the depth of cut in the radius direction (ae) is .5 DC or more. Note 4) Wet cutting is recommended, when focusing on the surface finish. (Tool life is shorter than for dry cutting.) Note 5) When using under higher than recommended cutting conditions, or for long periods of time, the clamp screw may become fatigued and break during machining. Please change out the clamp screw periodically. L153 INDEXABLE MILLING