Общий каталог Sumitomo 2019 - 2020 - страница 969

Cutting Force (N) 150° DCh7 Stock Stock Cutting Force (N) DCONh6 150° DCh7 DCONh6 OthersBrazedReamersIndexableIndexableInsert TypeHead TypeSolidDrilling SEC-MultiDrills SMD-MB Type for Bridge (Internal Coolant Supply) Carbon Steel/ Carbon Steel/MBAlloy SteelAlloy Steelup to 0.28%from 0.29% Indexable head Coolant Hole Indexable Coat Type Only use the special MB type head with a B3 type holder. *Refer to N38 for the tolerance of h6 and h7 Steel Fig. 1 (Indexable Head) Fig. 2 (Holder Dimensional Figure) Fig. 3 (Mounted Figure) LU LS PL LF OAL Cutting Edge Indexable Head MB Type Diameter ø24.5 to 26.7 mmDia.DC Cat. No. Shoulder LengthLF TipPL Dimensions (mm) JApplicable HolderFig 24.5 ● SMDT 2450 MB24.7●SMDT 2470 MB 14.1 3.3 SMDH 240B3 11 26.5 ● SMDT 2650 MB26.7●SMDT 2670 MB 15.3 3.6 SMDH 260B3 11 Grade: ACX80 Holder Dimensions with MB Type set Parts Dimensions (mm) Cap Screw Wrench Dia.DC Cat. No. EffectiveLengthOverallLengthShankFlangeDiameterShank Dia. FigLUOALLSDCSFMSDCON Nm 23.8 < D ≤ 24.8 ● SMDH 240B3 84 173 60 Q 32 2,3 BXD03512IP 2.79 to 3.72 TRDR15IP 25.8 < D ≤ 26.8 ● SMDH 260B3 90 179 60 Q 32 2,3 BXD04014IP 4.14 to 5.52 TRDR20IP Inquire about production of holders not listed in stock. Coolant for Greater Lubricity MTL Type / MEL Type MB Type Holder Coolant supply to the drill tip has been improved. Head Coolant Comparison of Cutting Force (Thrust) 7,000 Thrust increasesat entry point of hole 7,000 Stable drillingat entry point of hole 6,000 6,000 5,000 5,000 4,000 MTL Type / MEL Type 4,000 MB Type 3,000 3,000 2,000 2,000 1,000 1,000 0 0 2 4 6 8 10 12 14 2 4 6 8 10 12 14 Cutting Time (sec) Cutting Time (sec) Work Material: SS400, Drill Diameter: ø24.7, Cutting Conditions: vc = 70m/min, f = 0.35mm/rev, Coolant: MQL *Due to the difference in oil hole positions and ute shapes, MTL/MEL type drill heads are not compatible to use with B3 type drill holders and similarly, MB type drill heads are not compatible for use with M/L/D type drill holders. N m Recommended Tightening Torque (N·m) J109