Каталог Sumitomo пластины с кубическим нитридом бора Sumiboron - страница 125
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Каталог Sumitomo пластины с алмазными вставками Sumidia
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22 SUMIBORON
Ball Nose BNBS
| FlutesFlutes | Endmills | Type | ||
| 22 | Hardened Steel | |||
| 45 to 55 55 to 60 60 to 65 |
| HRC | HRC | HRC | ||||
| FlutesFlutes | S | S | G | G | H | H |
Grades Side Milling Face Milling R-Groove Milling Profile Milling
- Combination of Special Grade and Spiral Cutting Edge Design
- The combination of special SUMIBORON grade with unique sprial cutting edge design is a breakthrough for high efficiency and smooth end-milling of hardened steels.
■ Cutter Bodies ■ Performances
| RE `±`0 DC `±`0.03 | .02 APMX | 10 0 20 30 40 (øD | LF 20 BNBS c) | 40 60 | 80 Units Dim | DMM 100 (mm) ( ) ensions(mm) |
| C N | Stock | Ballnose radius | Diameter | Depth of cut | Length | Shank |
| at. o. | BN350 | RE | DC | APMX | LF | DMM |
| BNBS 2020S | D | 1.0 | 2.0 | 1.5 | 50 | 4 |
| 2030S | D | 1.5 | 3.0 | 2.0 | 60 | 6 |
| 2040S | D | 2.0 | 4.0 | 3.0 | 70 | 6 |
| 2060S | D | 3.0 | 6.0 | 4.5 | 80 | 6 |
| 2080S | D | 4.0 | 8.0 | 5.5 | 90 | 8 |
| BNBS 2100S | D | 5.0 | 10.0 | 6.5 | 100 | 10 |
| 2120S | D | 6.0 | 12.0 | 7.5 | 110 | 12 |
| 2140S | 7.0 | 14.0 | 8.5 | 120 | 16 | |
| 2160S | 8.0 | 16.0 | 9.5 | 120 | 16 | |
| 2180S | 9.0 | 18.0 | 10.5 | 130 | 20 | |
| BNBS 2200S | 10.0 | 20.0 | 11.5 | 130 Grade | 20 BN350 |
Work : SKD11 (60HRC)
BN350 Cutting Speed 250m/min
Pitch feed 0.3mm
Tool BNBS2100S
Cutting length : 110m, VB=0.128mm able to continue Surface roughness : Radial feed Ry1.8µm, Feed dir. Ry2.2µm Radial feed Feed dir. Results
■ Important Notes
■ Recommended Cutting Conditions (1) Use a rigid machine and select a high cutting speed with low L
feedrate.
| Work Material Conditions | Hardene (50-57 | d Steel HRC) | Hardene (58-65 | d Steel HRC) |
| R(mm) | Spindle Speed (min-1) | Feed Rate (mm/min) | Spindle Speed (min-1) | Feed Rate (mm/min) |
| 1.0 | 26,000 | 1,100 | 22,000 | 670 |
| 1.5 | 18,000 | 700 | 15,000 | 450 |
| 2.0 | 13,000 | 530 | 11,000 | 330 |
| 3.0 | 8,800 | 610 | 7,400 | 450 |
| 4.0 | 6,600 | 460 | 5,600 | 330 |
| 5.0 | 5,300 | 630 | 4,500 | 400 |
| 6.0 | 4,400 | 530 | 3,700 | 330 |
| 8.0 | 3,300 | 390 | 2,800 | 250 |
| 10.0 | 2,600 | 320 | 2,200 | 200 |
| Depth ap | 0.01 | Dc | 0.01 | Dc |
| of cut pf | 0.02 | Dc | 0.02 | Dc |
(3) Make overhang as short as possible.