Общий каталог Sumitomo 2018 - 2019 - страница 539
Навигация
Общий каталог Sumitomo 2012
Каталог Sumitomo резьбонарезной инструмент
Каталог Sumitomo пластины с режущей кромкой-моноалмаз Sumicristal
Каталог Sumitomo инструмент для обработки канавок
Общий каталог Sumitomo 2019 - 2020
Каталог Sumitomo запасные части- Pages 3-6_CS6_EN_web
- A 1-20 insert selection EN_web
- B 1-14 grades_EN_web
- C01-17 inserts intro pages_EN_web
- C18-56 negative inserts_EN_web
- C57-86 positive inserts_EN_web
- D 1-46 tool holders_EN_web
- E 1-24 boring bars_EN_web
- F 1-48 grooving_thread tools_EN_web
- G 1-54 milling cutters_EN_web
- H 1-48 insert type endmills_EN_web
- J 1-24 new endmills_EN_web
- J 25-50 endmills_EN_web
- K 1-46 Multi-Drills_EN_web
- K 47-76 Multi-Drills_EN_web
- L 1-28 cbn_pcd grades_EN_web
- M 1-34 cbn_pcd inserts_EN_web
- M 35-56 SHM tools_EN_web
- N1-24 technical guidance_EN_web
- P 1-8 spare parts_neu_EN_web
- P 9-22 index_notes_EN_web
SUMIBORON Small Hole Boring Tools
BNBB Type For Hardened Steel
BNBB type small hole boring tools for hardened work pieces up to diameter 3,5 mm
„Sumiboron“ Brazed Boring Tools for Small Hole Boring
| Cat. No. | Stock | Dmin | d Dime | l1 nsions | h (mm) | r | Applicable holder | Grade of brazed cutting edge | |
| BNBB (Carbide shank) | BNBB 03 R | l | 3,5 | 3 | 60 | 2,4 | 0,2 | HBB 316 | |
| BNBB 04 R | l | 4,5 | 4 | 60 | 3,4 | 0,2 | HBB 416 | SUMIBORON | |
| BNBB 05 R | l | 5,5 | 5 | 80 | 4,4 | 0,2 | HBB 516 | (CBN) | |
| BNBB 06 R | l | 6,5 | 6 | 80 | 5,4 | 0,2 | HBB 616 | BN250 | |
| BNBB 08 R | l | 8,5 | 8 | 100 | 7,4 | 0,2 | HBB 816 |
Holder Spare Parts
Dimensions (mm)
| Cat. No. | Stock | Wrench Screw | |
| d1 L d2 H | |||
| HBB 316 | l | 3 | |
| HBB 416 | l | 4 | |
| HBB 516 | l | 16 100 | 15 5 |
| HBB 616 | l | 6 | |
| HBB 816 | l | 8 |
BT 0404 TH 020
Recommended Cutting Conditions Precaution On Use
| Work Material | SUMIBOR | ON BN250 | Notes |
| Cutting speed (vc) | 30 ~ 150 m/ min | Low speed may cause chattering in cutting process and chipping occurence on the cutting edge. | |
| Hardened steels (HRC45~68) | Feed rate ( f ) | 0,03 ~ 0,1 mm/rev | - |
| Depth of cut (doc) | 0,03 ~ 0,2 mm | Excessive depth of cut may cause larger deformation of tool,resulting in deterioration of bore accuracy. |