
Recommended Cutting Conditions ら峿⎖⏙╒㜇
- Recommended Cutting Conditions EHSWH4, EHCWH4 (Square Head - 4F, Corner Radius Head - 4F) Shoulder Milling L/D 3 (Reference L/D ratio table, reduce vc, fz and ae value)
| Material | Pr | e-Harde NAK80 | ned Ste CENA1 | els | | Hardene SKD61 | d Steel ,SKD11 | s | | Hardene SKD11, | d Steels SKH51 | |
| Hardness | | HRC | 35~45 | | | HRC | 40~55 | | | HRC | 55~65 | |
| VC | | 90 ~ 15 | 0(m/min) | | | 80 ~ 120 | (m/min | ) | | 70 ~ 100 | (m/min) | |
| Dia | RPM | fz (mm/ tooth) | ap (mm) | ae (mm) | RPM | fz (mm/ tooth) | ap (mm) | ae (mm) | RPM | fz (mm/ tooth) | ap (mm) | ae (mm) |
| 10mm | 3820 | 0.05 | 8.0 | 2.0 | 3190 | 0.05 | 8.0 | 1.5 | 2390 | 0.05 | 8.0 | 1.0 |
| 12mm | 3190 | 0.05 | 9.6 | 2.4 | 2650 | 0.05 | 9.6 | 1.8 | 2000 | 0.05 | 9.6 | 1.2 |
| 16mm | 2390 | 0.06 | 12.8 | 3.2 | 2000 | 0.06 | 12.8 | 2.4 | 1500 | 0.06 | 12.8 | 1.6 |
| 20mm | 1910 | 0.06 | 16.0 | 4.0 | 1600 | 0.06 | 16.0 | 3.0 | 1190 | 0.06 | 16.0 | 2.0 |
Slot Milling L/D 3 (Reference L/D ratio table, reduce vc and fz value)
| Material | Pre- | Hardened S NAK80 CENA | teels 1 | Ha | rdened Ste SKD61,SKD11 | els | Ha S | rdened Ste KD11,SKH51 | els |
| Hardness | | HRC 35~45 | | | HRC 40~55 | | | HRC 55~65 | |
| VC | 60 | ~ 100(m/m | in) | 50 | ~ 90 (m/mi | n) | 40 | ~ 80 (m/mi | n) |
| Dia | RPM | fz (mm/tooth) | ap (mm) | RPM | fz (mm/tooth) | ap (mm) | RPM | fz (mm/tooth) | ap (mm) |
| 10mm | 2550 | 0.02 | 4.0 | 2390 | 0.02 | 4.0 | 1900 | 0.02 | 4.0 |
| 12mm | 2120 | 0.02 | 4.8 | 2000 | 0.02 | 4.8 | 1590 | 0.02 | 4.8 |
| 16mm | 1590 | 0.03 | 6.4 | 1490 | 0.03 | 6.4 | 1190 | 0.03 | 6.4 |
| 20mm | 1275 | 0.03 | 8.0 | 1190 | 0.03 | 8.0 | 950 | 0.03 | 8.0 |
EHBWH2 (Ball Nose Head - 2F)
L/D 3 (Reference L/D ratio table, reduce vc and fz value)
| Material | Pr | e-Harde NAK80 | ned Ste CENA1 | els | | Hardene SKD61, | d Steel SKD11 | s | | Hardene SKD11, | d Steel SKH51 | s |
| Hardness | | HRC | 35~45 | | | HRC | 40~55 | | | HRC | 55~65 | |
| VC | 1 | 00 ~ 19 | 0(m/min | ) | | 90 ~ 160 | (m/min | ) | | 70 ~ 140 | (m/min | ) |
| Dia | RPM | fz (mm/ tooth) | ap (mm) | ae (mm) | RPM | fz (mm/ tooth) | ap (mm) | ae (mm) | RPM | fz (mm/ tooth) | ap (mm) | ae (mm) |
| 10mm | 4620 | 0.1 | 0.7 | 2 | 3980 | 0.05 | 0.4 | 1.5 | 3345 | 0.02 | 0.2 | 1.0 |
| 12mm | 3850 | 0.1 | 0.84 | 2.4 | 3320 | 0.05 | 0.5 | 1.8 | 2790 | 0.02 | 0.2 | 1.2 |
| 16mm | 2885 | 0.15 | 1.12 | 3.2 | 2485 | 0.075 | 0.64 | 2.4 | 2090 | 0.03 | 0.3 | 1.6 |
| 20mm | 2300 | 0.2 | 1.4 | 4.0 | 2000 | 0.1 | 0.8 | 3.0 | 1670 | 0.04 | 0.4 | 2.0 |
- +RZWRVHWFXWWLQJFRQGLWLRQVRQGL௺HUHQWRYHUKDQJOHQJWK The recommended cutting condition is depended by the L/D factor. L/D ratio table : EX :
Tool : Ød=12mm Square Head
| L/D | VC (m/min) | fz (mm/t) | ae (mm) |
| 2 ~ 3 | 100% | 100% | 100% |
| 4 ~ 5 | 70% | 80% | 50% |
| 6 ~ 7 | 50% | 70% | 30% |
| 8 ~ 9 | 40% | 60% | 20% |
L/D : 50/12 = 4.16
Application : Shoulder Milling
Cutting condition is recommended as :
fz = 0.05*80% = 0.04 mm/t
max ae = 2.4*50% = 1.2 mm