Общий каталог Sumitomo 2018 - 2019 - страница 391

SUMIBORON ”Helical Master” Spiral CBN Endmill for Hardened Steel BNES Type dge tin gE Cut ical Hel De sign ron ket m iBo ade oc Su 0 gr ial P 5 Spe c BN3 Endmills BNES Type with 1 Spiral Flute Stock Dimensions (mm) Cat. No. BN350 øD ød l1 l2 L BNES 1060 q 6,0 10 7,0 11 60 BNES 1080 q 8,0 10 10,0 14 70 BNES 1100 q 10,0 12 12,0 17 75 BNES 1120 q 12,0 12 14,0 20 80 BNES 1140 q 14,0 16 16,0 21,5 80 BNES 1160 q 16,0 16 18,0 24 80 Helix angle : 15˚ right-hand cut, right-hand helix Recommended Cutting Conditions Cutting speed: v c (m/min), Spindle revolutions: n (rpm), Feed per tooth: f t (mm/tooth), Feed speed: v f (mm/min) Hardened steel (HRC 50 ~ 57) Hardened steel (HRC 58 ~ 65) Tooling example øD vc = 100 ~ 170 m/min vc = 80 ~ 150 m/min woc ≤ 0,1 n= v f (mm/min) = woc ≤ 0,08 mm n= v f (mm/min) = ø6 ~ 8 mm 4000 ~ 9000 240 ~ 540 3200 ~ 8000 150 ~ 370 n= v f (mm/min) = n= v f (mm/min) ø 10 ~ 12 woc ≤ 0,15 mm woc ≤ 0,12 mm doc 2700 ~ 5400 180 ~ 360 2100 ~ 4800 120 ~ 270 n= v f (mm/min) = n= v f (mm/min) = ø 14 ~ 16 woc ≤ 0,2 mm woc ≤ 0,15 mm wo 2000 ~ 3800 140 ~ 260 1600 ~ 3400 110 ~ 230 c Recommendation: Dry cutting (Air coolant) D Down-cut milling Depth of cut : doc ≤ D Minimise the overhang Uncoated Endmills Use a rigid machine Performance l Long Tool Life and High Efficiency l Excellent Surface Roughness Competitor’s coated solid carbide endmill for ”Helical Master” BNES 1080 ø 8,0 0,10 - shoulder milling hardened steel Flank wear width 0,08 - --> Vibration (VB / mm) 0,06 - 0,04 - A direction B direction 0,02 - „Helical Master“ BNES 1120 Conventional straight flute CBN endmill, ø 8,0 0- l l l l l 1 2 3 4 5 Cutting length (m) Work material: X155CrVMo12-1 Hardness: HRC 60 A direction B direction Work material: 15Cr3 Cutting data: 8 mm Hardness: HRC 55~58 vc = 100 m/min (Helical Master) Cutting data: vc = 130 m/min 0,0 vc = 40 m/min (Competitor’s coated v f = 310 mm/min mm 5 solid carbide endmill) v f = 186 mm/min Down-cut milling 4 mm 0,0 Dry cutting 5m ø10 mm Down-cut milling m ø8,0 mm Dry cutting J46 l = Euro stock q = Delivery on request