Каталог Sumitomo сверла и развертки - страница 103

Предыдущая страница Следующая страница

Навигация

SEC-MultiDrill SMD Type (Structural Steel) Carbon Steel, Alloy Steel Tempered Hardened Steel Stainless Ti Heat-resistant Cast Ductile Aluminum Copper Composite W/ Oil Hole MB Up to 0.28% From 0.29% Steel Up to 45HRC From 46HRC Steel Alloy Steels Iron Cast Iron Alloy Alloy CFRP G G Indexable 3D ● Drill Head ● Mounted Figure Only use a MB type head with a B3 type holder. DCONh6 DC h7 150° Indexable Head 150° DC h7 B MType LU LS PL LF OAL ● Holder Dimensions ■ Drill Heads MB Type ø24.5, ø24.7mm DCONh6 (mm) ■ Drill Heads MB Type ø26.5, ø26.7mm (mm) Stock Stock Diameter Shoulder Length Tip Diameter Shoulder Length Tip Cat. No. Applicable Holders Cat. No. Applicable Holders DC(mm) LF PL DC(mm) LF PL 24.5 D SMDT 2450 MB 26.5 D SMDT 2650 MB 14.1 3.3 SMDH 240B3 15.3 3.6 SMDH 260B3 24.7 D 2470 MB 26.7 D 2670 MB Grade: ACX80 Grade: ACX80 ■ Holder ■ Dimensions of Assembled Drill with SMD Type ■ Spare Parts Dimensions (mm) Cap Screw Wrench Diameter Stock Cat. No. Effective Length Total length Shank Boss Side Lock Flat DC(mm) Nm LU OAL LS DCSFMS DCON 2.79 Above 23.8 to 24.8 D SMDH 240B3 90 173 60 Q 32 BXD03512IP to TRDR15IP 3.72 4.14 Above 25.8 to 26.8 D 260B3 96 179 60 Q 32 BXD04014IP to TRDR20IP 5.52 Inquire about production of holders not listed in stock. ■ Improved Lubricity with Coolant MTL/MEL MB Holder Coolant supply to the tip of the drill has been improved. Head J Drilling Coolant Solid Special Comparison of Cutting Resistance (Thrust Force) Indexable Thrust increases at 7,000 7,000 Stable drilling at Reamer start of hole start of hole 6,000 6,000 Brazed Cutting Force (N) Cutting Force (N) 5,000 5,000 Others 4,000 MTL/MEL 4,000 MB 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 holes and cutting edge positions, MTL/MEL type drill heads are not compatible to use with B3 type drill holders and similarly incompatible for MB type drill heads to use M/L/D type drill holders. N m Recommended Tightening Torque(N·m) J81