Общий каталог Sumitomo 2019 - 2020 - страница 927

140° DC h8 DCON h6 OthersBrazedReamersIndexableIndexableInsert TypeHead TypeSolidDrilling Strong MultiDrills HX Type (Internal Coolant Supply) Cast Iron DuctileCast Iron Coolant Hole Coat *Refer to N38 for the tolerance of h6 and h8 Steel Fig 1 LU PL LCF OAL Recommended Cutting Conditions (vc: Cutting Speed (m/min), f: Feed Rate (mm/rev)) J Dia. DC Cutting Gray Cast Iron Ductile Cast Iron (mm) Conditions FC250 FCD450 ø3.0 vc 50 - 70 - 90 40 - 50 - 80 f 0.10 - 0.20 - 0.30 0.12 - 0.18 - 0.24 ø5.0 vc 50 - 70 - 90 40 - 50 - 80 f 0.15 - 0.25 - 0.35 0.15 - 0.22 - 0.30 ø10.0 vc 60 - 80 - 100 50 - 60 - 90 f 0.20 - 0.35 - 0.50 0.20 - 0.30 - 0.40 ø20.0 vc 70 - 100 - 120 60 - 80 - 100 f 0.25 - 0.50 - 0.70 0.25 - 0.45 - 0.60 Min. - Optimum - Max. J67