Общий каталог Sumitomo 2018 - 2019 - страница 351

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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) GSXVL4000-2.5D 4Flutes ø2 ~ ø20a J 20 GSX-B 20000 2Flutes Rø0,2 ~ ø15(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 CBN Ballnose Mill GSXVL4000-R-2.5D 4Flutes ø3 ~ ø20 GS Hard Mill Ball a J 21 n Cutting Range n Cutting Resistance Mill Ball GS vc (m/min) (N) Low vibration Mill Ball 150 GSX ( vc= 120 m/min) low High 100 Anti-vibration Chip Removal Rate Q (cc/min)n Application Examples 50 Conventional Design GSXAnti-vibration l Flank Wear Competitor CCompetitor A (N) Competitor B 1D 2D 3DDepth of Cut(mm) GSX Mill Ball 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 ChatteringClean SurfacePoor SurfacePoor SurfaceWork material:C50Grooving:Tool dimension:ø10Cutting Conditions:n = 4.800 rpmvf = 800 mm/minDepth of cutdoc = 10 mmEquipment:BT50Work Material :X40CrVMo5-1 (50HRC)Tool Dimensions :R3 (2 Flutes)Cutting Conditions :  vc= 179 m/min (n = 9.500 rpm)Chipping in centreHeavy wear onvf= 2.250 mm/min (ft = 0,12 mm/t)flank facedoc = 0,2 ~ 1,0 mm,woc =0,3 mm,WetEquipment Vertical Machining CentreBT40 J6 l = Euro stock Coated Endmills Cutting ResistanceCutting Resistance Wear (mm) Workpiece Hardness (HRC)