Общий каталог Sumitomo 2018 - 2019 - страница 351

NEW "Global Standard" Endmills GSX MILL Series + J 20, J 21 + J 34 GSX MILL Anti-vibration Type (Square/Radius) GSX MILL Ball n Characteristics and Applications n Characteristics and Applications l Optimized irregular pitch and lead affords: l New coating combined with a fine-grained carbide substrate - Drastically improved chattering and fracture resistance ! affords better thermal and wear resistance. - Less cutting force Allows high-speed, high-feed cutting. l Large helix angle on cutting edge reduces cutting resistance. l Rounded lands greatly improve machined surface quality l Unique pocket design and expanded pocket area promotes (from ø4 and up). better chip evacuation. l New fine-grained carbide substrate and special coating for better rigidity and thermal and wear resistance. + Expands the range of machineable material from soft to hardened steels, and offers reliability and longer tool life. n Product Range GSX MILL Anti-vibration Square Type Series No. of Teeth Serie øD (mm) n Product Range Series No. of Teeth Serie øD (mm) 4 GSXVL4000-2.5D Flutes ø2 ~ ø20 2 Rø0,2 ~ ø15 a J 20 GSX-B 20000 Flutes (øD=0,2 ~ 30) a J 36 GSX MILL Anti-vibration Corner Radius Type Series No. of Teeth Serie øD (mm) n Application Range MOULD FINISH MASTER Workpiece Hardness CBN Ballnose Mill 4 GSXVL4000-R-2.5D Flutes ø3 ~ ø20 GS Hard Mill Ball (HRC) a J 21 n Cutting Range n Cutting Resistance Mill Ball GS vc (m/min) (N) Low vibration Mill Ball Cutting Resistance 150 ( vc = 120 m/min) low High GSX Anti-vibration Chip Removal Rate Q (cc/min) Endmills Coated 100 n Application Examples GSX 50 Conventional Design Anti-vibration l Flank Wear Competitor C Competitor A (N) Competitor B Cutting Resistance Wear (mm) 1D 2D 3D (mm) GSX Mill Ball Depth of Cut Conventional Design n Application Range Chip Removal Rate Q (cc/min) l Surface Finish Quality GSX Ball (Cutting Length 140 m) Conventional Tool (Cutting Length 80 m) GSX Anti-vibration Competitor's Anti-vibration Conventional Design Able to continue Unable to continue No Chattering Minute Chattering Heavy Chattering Work Material : X40CrVMo5-1 (50HRC) Clean Surface Poor Surface Poor Surface Tool Dimensions : R3 (2 Flutes) Chipping in centre Cutting Conditions: n = 4.800 rpm Cutting Conditions :  v c = 179 m/min (n = 9.500 rpm) Heavy wear on Work material: C50 v f = 2.250 mm/min (f t = 0,12 mm/t) flank face v f = 800 mm/min Grooving: d oc = 0,2 ~ 1,0 mm, w oc =0,3 mm, Wet Depth of cut d oc = 10 mm Tool dimension: ø10 Equipment Vertical Machining Centre BT40 Equipment: BT50 J6 l = Euro stock