Общий каталог Sumitomo 2019 - 2020 - страница 1140

SUMIBORON Stock ø16 BN2000 BN7000Stock SUMIBORON Small Hole Boring Bars BNBX Type 92˚ BNBX ● Newly developed high rigidity slit-clamping system, excellentfor small hole internal boring Internal Turning and Facing ● Enables maximum overhang of L/D = 5 ● Minimal deformation produces boring with excellent dimensional tolerance. ● Minimal chatter produces superior surface finish ● Easy bar indexing while clamped ● Series now includes BN2000 for hardened steel and BN7000 for powdered metal L Holder ( SUMIBORON)  Dimensions (mm) Cat. No. Min. Bore Dia. Diameter Height Overall Length Nose RadiusDMIN DCONHLFREApplicableSleeveFig Fig 1 BNBX 020R ●● 2.5 2.0 1.8 40 0.2 HBX 2016 1 Min. Bore Diameter (DMIN) 025R ●● 3.0 2.5 2.2 40 0.2 HBX 2516 1 3° DCON 030R ●● 3.5 3.0 2.7 40 0.2 HBX 3016 1 035R ●● 4.0 3.5 3.2 40 0.2 HBX 3516 1 040R ●● 4.5 4.0 3.7 40 0.2 HBX 4016 1 RE HLF 045R ●● 5.0 4.5 4.2 40 0.2 HBX 4516 1050R●●5.55.04.7600.2HBX 50161 055R ●● 6.0 5.5 5.2 60 0.2 HBX 5516 1 060R ●● 6.5 6.0 5.7 60 0.2 HBX 6016 1 BNBX 065R ● 7.0 6.5 6.2 60 0.2 HBB 6516 1 070R ● 7.5 7.0 6.7 80 0.2 HBB 716 1 075R ● 8.0 7.5 7.2 80 0.2 HBB 7516 1 080R ● 8.5 8.0 7.7 80 0.2 HBB 816 1 BNBX bars can be used with HBB type sleeves, but HBX type sleeves are recommended for bars below ø6mm. Fig 1 DCB Fig 1 ø16 DCB 15 15 100 15 100 Sleeve (HBX Type)  Dimensions (mm) Sleeve (HBB Type)  Dimensions (mm) Cat. No. Bore Dia.DCB Applicable Bar Fig Cat. No. Bore Dia.DCB Applicable Bar Fig HBX 2016 ● 2.0 BNBX 020R 1 HBB 6516 ● 6.5 BNBX 065R 1 HBX 2516 ● 2.5 BNBX 025R 1 HBB 716 ● 7.0 BNBX 070R 1 HBX 3016 ● 3.0 BNBX 030R 1 HBB 7516 ● 7.5 BNBX 075R 1 HBX 3516 ● 3.5 BNBX 035R 1 HBB 816 ● 8.0 BNBX 080R 1 HBX 4016 ● 4.0 BNBX 040R 1 HBB Type sleeve can also be used with ø2.5 to 6.0mm holders. HBX 4516 ●HBX 5016● 4.55.0 BNBX 045RBNBX 050R 11 Recommended Cutting Conditions HBX 5516 ● 5.5 BNBX 055R 1 HBX 6016 ● 6.0 BNBX 060R 1 Spindle Speed n Above 2,000 min-1 Low speeds may cause chatteringand chipping on the cutting edge. Excessive depth of cut may cause Depth of Cut ap 0.01 to 0.2mm larger tool deformation, resulting in deterioration of bore accuracy. Spare Parts (for Adapter Sleeve) Flat Screw Set Screw Wrench Feed Rate f 0.01 to 0.1mm/rev ― BT06035T TRD (For Torx Holes) Applicable Sleeve Nm Important Notes LH (1) Make the holder overhang as short as possible. (Maximum L/D = 5) BT0404 (For Hex Socket) HBX2○○○ BFTX0409N 1.5 BT06035T TRD15 (2) Even minor workpiece runout may affect tool life. HBX3○○○ (3) Select a boring bar with a diameter as close to the bore diameter HBX4○○○HBX5○○○ as possible.BFTX0409N3.0BT06035TTRD15(4) Although it is difficult to increase the rotational speed in small- HBX6○○○ diameter boring applications, higher speeds are recommended HBB○○○○ Q Q BT0404 LH020 whenever possible to extend tool life. L110 N m Recommended Tightening Torque (N·m)