Общий каталог Dijet 2018 - страница 208
Навигация
Общий каталог Dijet 2012 на русском
SMSR
Recommended cutting conditions for SMSR TYPE ■ Shoulder cutting
| Work Materials | Carbo | n steel (C50, | C55) below | 250HB | Mold | steel (1.2311 | ,P20), 30-4 | 3HRC |
| Tool dia. φDc(mm) | n(min-1) | Vf (mm/min) | ap | ae | n(min-1) | Vf (mm/min) | ap | ae |
| 16 | 2,980 | 1,430 | ～0.8Dc | ～0.1Dc | 2,390 | 1,150 | ～0.8Dc | ～0.1Dc |
| 20 | 2,390 | 1,150 | ～0.8Dc | ～0.1Dc | 1,910 | 920 | ～0.8Dc | ～0.1Dc |
| 22 | 1,910 | 920 | ～0.8Dc | ～0.1Dc | 1,530 | 730 | ～0.8Dc | ～0.1Dc |
| 25 | 1,590 | 760 | ～0.8Dc | ～0.1Dc | 1,270 | 610 | ～0.8Dc | ～0.1Dc |
| 28 | 1,490 | 720 | ～0.8Dc | ～0.1Dc | 1,190 | 610 | ～0.8Dc | ～0.1Dc |
| Work Materials | Hardened | die steel (1.2 | 344,1.2379) | , 42-52HRC | St | ainless steel, | Below 250 | HB |
| Tool dia | ||||||||
| . φDc(mm) | n(min-1) | Vf (mm/min) | ap | ae | n(min-1) | Vf (mm/min) | ap | ae |
| 16 | 1,390 | 670 | ～0.8Dc | ～0.05Dc | 1,990 | 960 | ～0.8Dc | ～0.1Dc |
| 20 | 1,110 | 540 | ～0.8Dc | ～0.05Dc | 1,590 | 760 | ～0.8Dc | ～0.1Dc |
| 25 | 890 | 430 | ～0.8Dc | ～0.05Dc | 1,270 | 610 | ～0.8Dc | ～0.1Dc |
| 30 | 740 | 360 | ～0.8Dc | ～0.05Dc | 1,060 | 510 | ～0.8Dc | ～0.1Dc |
| 32 | 700 | 330 | ～0.8Dc | ～0.05Dc | 1,000 | 480 | ～0.8Dc | ～0.1Dc |
| Work Materials | Titanium allo | y (Ti-6AI-4V) | Inconel (I | nco718) | ||||
| Tool dia. φDc(mm) | n(min-1) | Vf (mm/min) | ap | ae | n(min-1) | Vf (mm/min) | ap | ae |
| 16 | 1,590 | 640 | ～0.8Dc | ～0.05Dc | 1,000 | 200 | ～0.8Dc | ～0.1Dc |
| 20 | 1,270 | 510 | ～0.8Dc | ～0.05Dc | 800 | 160 | ～0.8Dc | ～0.1Dc |
| 25 | 1,020 | 410 | ～0.8Dc | ～0.05Dc | 640 | 130 | ～0.8Dc | ～0.1Dc |
| 30 | 850 | 340 | ～0.8Dc | ～0.05Dc | 530 | 110 | ～0.8Dc | ～0.1Dc |
| 32 | 800 | 320 | ～0.8Dc | ～0.05Dc | 500 | 100 | ～0.8Dc | ～0.1Dc |
Vc: Cutting speed, Vf: Feed speed, ap: Depth of cut, ae: width of cut, n: Spindle speed,
The reduction rate for SMSR type. In case of lengthening overhung length, the figures above need to be reduced according to the reduction rate.
| L／D | n (min-1) | Vf`(`mm/min`)` | ap(mm ) | ae(mm ) |
| L≦4D | 0% | 0% | 0% | 0% |
| 4D＜L≦6D | 20% reduction | 30% reduction | 0% | ～0.05Dc |
| 6D＜L | 30% reduction | 50% reduction | ～0.5Dc | ～0.025Dc |
1) Slotting is not recommended.