Каталог Sumitomo пластины с кубическим нитридом бора Sumiboron - страница 103

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SUMIBORON Small Hole Boring Bars BNBX Type ● Newly developed high rigidity slit-clamping system, BNBX excellent for small hole boring • Maximum overhang of L/D=5 possible. Boring & Facing • Minimal bar deformation produces excellent boring accuracy. • Minimal vibration produces superior surface finish. • Easy bar indexing without sleeve removal. ● BN2000 for hardened steel and BN7000 for sintered alloy are available ■ Brazed Boring Bars Dimensions (mm) Min. Dia. Diameter Height Length Nose radius Applicable Stock Cat. No. BN2000 BN7000 BN700 DMIN DCON H LF RE Sleeves BNBX 020R D D F 2.5 2.0 1.8 40 0.2 HBX 2016 025R D D F 3.0 2.5 2.2 40 0.2 HBX 2516 DMIN Min Bore Dia 030R D D F 3.5 3.0 2.7 40 0.2 HBX 3016 3° DCON 035R D D F 4.0 3.5 3.2 40 0.2 HBX 3516 040R D D F 4.5 4.0 3.7 40 0.2 HBX 4016 H RE LF 045R D D F 5.0 4.5 4.2 40 0.2 HBX 4516 050R D D F 5.5 5.0 4.7 60 0.2 HBX 5016 055R D D F 6.0 5.5 5.2 60 0.2 HBX 5516 060R D D F 6.5 6.0 5.7 60 0.2 HBX 6016 BNBX 065R D 7.0 6.5 6.2 60 0.2 HBB 6516 070R D 7.5 7.0 6.7 80 0.2 HBB 716 075R D 8.0 7.5 7.2 80 0.2 HBB 7516 080R D 8.5 8.0 7.7 80 0.2 HBB 816 ■ Adaptor Sleeves ■ Parts (For Sleeve) BT06035T TRD TH Diameter Cat. No. Stock Applicable Bar DCB D (For Torx HBX 2016 2.0 BNBX 020R BT0404 holes) ø16 DCB 2516 D 2.5 BNBX 025R Applicable Screw Set Screws Wrenches 3016 D 3.0 BNBX 030R Sleeves 15 15 3516 D 3.5 BNBX 035R 100 1.5 HBX2SSS 4016 D 4.0 BNBX 040R 4516 D 4.5 BNBX 045R BFTX0409N BT06035T TRD15 HBX3SSS HBX4SSS 5016 D 5.0 BNBX 050R 3.0 HBX5SSS 5516 D 5.5 BNBX 055R HBX6SSS 6016 D 6.0 BNBX 060R Q Q BT0404 TH020 HBBSSSS L D SUMIBORON ø16 DCB HBB 6516 6.5 BNBX 065R 716 D 7.0 BNBX 070R 15 7516 D 7.5 BNBX 075R 100 816 D 8.0 BNBX 080R * BNBX bars can be use with HBB type sleeves, however, HBX type sleeves are recommended for bars below ø6mm. ■ Recommended Cutting Conditions ■ Important notes Low speed may cause (1) Shorten overhang as much as possible (Max. L/D=5). More than Spindle speed n chattering and chipping on the (2) Even minor workpiece run-out may affect tool life. 2,000min-1 cutting edge. (3) Select a boring bar with a diameter closest to the bore diameter. Excessive depth of cut may cause Depth of cut ap 0.01 to 0.2mm larger tool deformation resulting in (4) Although it is difficult to increase the rotational speed in deterioration of bore accuracy. small diameter boring applications, higher speeds are recommended whenever possible. Feed rate f 0.01 to 0.1mm/rev ― Recommended Tightening Torque (N·m) F mark : To be replaced by new item (Please confirm stock availability) L103