Общий каталог Sumitomo 2019 - 2020 - страница 20
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Hardened Steel Chipbreaker and Grade Selection Guide for Turning
Hardened Steel
Grades
- Coated SUMIBORON, Coated Carbide
- Uncoated SUMIBORON
300 BNC100 300
BNX20 BNC160 BN1000BN1000 High-precision Machining BNC200 BNC2010BNC2010 BNX25BNX25
200 200
A
General-purpose Cutting BNC2020BNC2020 General-purpose Cutting
100 Interrupted Cutting 100 BN2000BN2000
BNC300BNC300 Interrupted Cutting BN350BN350 AC503U (Coated Carbide)
0 0
Finishing Roughing Finishing Roughing
Continuous Partially Interrupted Interrupted Continuous Partially Interrupted Interrupted
SUMIBORON L2 Chipbreakers LV/FV Type Chipbreaker : For chip control during finishing of hardened steel SV Type Chipbreaker : For chip control during carburised layer removal
0.7 SV Type 0.6 0.5 SV Type 0.4 LV Type 0.3 LV Type 0.2 FV Type FV 0.1 Type
| 0 0.1 | 0.3 0.2 SUMIBORON | |
| Feed Rate f (mm/rev) | L26 Break Master | |
| Recommended Cutting Conditions | ||
| Hardened Steel | (Red text indicates 1st recommendation) | |
| Min. - Optimum - Max. Cutting Conditions | ||
| Cutting Process | Grade |
Depth of Cut a (mm) Feed Rate f (mm/rev) Cutting Speed v (m/min)
p c
BNC2010 / BNC2020 / BN1000 / BN2000
BNC2010 : For high-precision finishing requiring good surface roughness and dimensional tolerance. Maintains excellent surface roughness thanks to coating with high boundary wear resistance and CBN substrate. BNC2020 : General-purpose grade suitable for typical hardened steel machining applications. Achieves long tool life thanks to highly wear-resistant, highly adhesive coating and tough CBN substrate. BN1000 : For high-speed machining, BN1000 provides the highest wear resistance of all uncoated BNC2010 / BNC2020 SUMIBORON grades, improving fracture resistance while maintaining an emphasis on wear resistance. BN2000 : General-purpose grade for general hardened steel machining with a high degree of fracture and wear resistance.
BNC2010 BNC2020
- Continuous Cutting of Hardened Steel
- Interrupted Cutting of Hardened Steel
Stable cutting
7 After Cutting 8km After Cutting 5km
Conventional Tool 6 ■ BNC2020 5
After Cutting 3km 4 Conventional Tool
Boundary wear occurs Conventional
| 3 | After Cutting 8km | Tool | |
| ●BNC2010 |
| 2 | ● | After Cutting 2.5km | ||
| ●■ | Competitor's | |||
| 1 | Product A | |||
| 0 | BNC2010 |
2 4 6 8 0 2.5 5.0
Reduces boundary wear Cutting Distance (km) Tool Life (km) Work Material: SCM415 58-62HRC (Continuous) Work Material: SCM415-5V 58-62HRC (Interrupted Cutting) Insert: 4NC-DNGA150408 Cutting Edge Treatment: S01225 Insert: 4NC-CNGA120412 Cutting Edge Treatment: S01225
Cutting Conditions: v =160m/min, f=0.08mm/rev, a =0.1mm Wet Cutting Conditions: v =130m/min, f=0.1mm/rev, a =0.6mm Dry
c p c p
BN1000 / BN2000
| Ctti P | Gd | Cutting Conditions | Min. -Optimum- Max. | |
| ung rocess | rae | |||
| Depth of Cutap(mm) | Feed Ratef(mm/rev) | Cutting Speedvc(m/min) | ||
| BNC2010 | 0.03-0.20-0.35 | 0.03-0.10-0.25 | 120-200-300 | |
| BNC100 | 0.03-0.20-0.30 | 0.03-0.10-0.20 | 120-200-300 | |
| Continuous | BN1000 | 0.03-0.15-0.20 | 0.03-0.10-0.15 | 120-180-300 |
| Cutting | BNX10 | 0.03-0.10-0.20 | 0.03-0.10-0.15 | 120-180-300 |
| AC503U (Coated Carbide) | 0.03-0.50-1.00 | 0.02-0.05-0.10 | 40-70-100 | |
| BNC2020 | 0.03-0.30-0.50 | 0.03-0.20-0.40 | 50-130-220 | |
| BNC160 | 0.03-0.20-0.35 | 0.03-0.10-0.20 | 120-180-250 | |
| General Cutting | BNC200 | 0.05-0.30-0.50 | 0.05-0.10-0.35 | 50-130-220 |
| BN2000 | 0.03-0.20-0.30 | 0.03-0.10-0.20 | 50-100-200 | |
| BNX20 | 0.03-0.30-0.50 | 0.03-0.15-0.30 | 70-130-170 | |
| BNC300 | 0.03-0.20-0.30 | 0.03-0.10-0.20 | 50-100-150 | |
| Interrupted Cutting | BN350 | 0.03-0.20-0.30 | 0.03-0.10-0.20 | 50-100-150 |
| BNX25 | 0.03-0.20-0.50 | 0.03-0.15-0.30 | 120-160-220 |