
■ Recommended Cutting Conditions 1. For stable machining performance use rigid, high-precision machines and holders. 2. Use air blow when dry machining. 3. Use wet machining for stainless steel, heat resistant alloy, and titanium alloy applications. 4. In rare cases, chattering may occur in early milling stages, dissipating after 2m of cutting. 5. If chattering is a problem, reduce the spindle speed and feed rate indicated in the table below by the same ratio, or reduce the depth of cut. 6. If the machine cannot achieve the recommended spindle speed, please use the max. spindle speed available.
a a e e DC
| `●`Side | Milling | |||||||||||||||
| Work Material Cond. | Structur S | al Steel S | Carbon S (150 to | Steel C 250HB) | Cast F | Iron C | Alloy SC (25 to 3 | Steel M 5HRC) | Tempered Steel, NAK, (35 to 4 | Hardened Steel HPM 5HRC) | Hardene (45 to 5 | d Steel 5HRC) | Stainle SUS304, | ss Steel SUS316 | Heat Resi Titaniu | stant Alloy m Alloy |
| DC(mm) | Spindle Speed (min-1) | Feed Rate (mm/min) | Spindle Speed (min-1) | Feed Rate (mm/min) | Spindle Speed (min-1) | Feed Rate (mm/min) | Spindle Speed (min-1) | Feed Rate (mm/min) | Spindle Speed (min-1) | Feed Rate (mm/min) | Spindle Speed (min-1) | Feed Rate (mm/min) | Spindle Speed (min-1) | Feed Rate (mm/min) | Spindle Speed (min-1) | Feed Rate (mm/min) |
| 1.0 | 18,500 | 250 | 18,500 | 250 | 18,500 | 250 | 17,000 | 150 | 11,500 | 100 | 8,000 | 65 | 9,400 | 65 | 8,000 | 45 |
| 2.0 | 9,400 | 250 | 9,400 | 250 | 9,400 | 250 | 8,500 | 200 | 6,700 | 130 | 4,000 | 65 | 4,600 | 90 | 4,000 | 60 |
| 4.0 | 4,500 | 350 | 4,500 | 350 | 4,500 | 350 | 4,300 | 250 | 3,500 | 210 | 2,000 | 110 | 2,300 | 110 | 2,000 | 70 |
| 6.0 | 3,100 | 400 | 3,100 | 400 | 3,100 | 400 | 2,800 | 300 | 2,400 | 220 | 1,300 | 120 | 1,500 | 120 | 1,300 | 90 |
| 8.0 | 2,300 | 380 | 2,300 | 380 | 2,300 | 380 | 2,100 | 300 | 1,800 | 220 | 950 | 120 | 1,100 | 120 | 900 | 90 |
| 10.0 | 1,800 | 350 | 1,800 | 350 | 1,800 | 350 | 1,700 | 300 | 1,400 | 220 | 700 | 120 | 900 | 120 | 800 | 90 |
| 12.0 | 1,500 | 350 | 1,500 | 350 | 1,500 | 350 | 1,400 | 300 | 1,200 | 220 | 650 | 110 | 750 | 120 | 650 | 90 |
| 16.0 | 1,100 | 300 | 1,100 | 300 | 1,100 | 300 | 1,000 | 240 | 900 | 190 | 480 | 90 | 550 | 100 | 490 | 70 |
| 20.0 | 900 | 280 | 900 | 280 | 900 | 280 | 850 | 210 | 700 | 170 | 400 | 80 | 440 | 90 | 400 | 60 |
| 25.0 | 720 | 220 | 720 | 220 | 720 | 220 | 680 | 170 | 560 | 130 | 320 | 60 | 352 | 70 | 320 | 50 |
| Standard ap | 2.5 | DC | 2.0 | DC | ||||||||||||
| Depth-of-cut ae | Below | ø3 :0.02DC | Fromø | 3 to below | ø8 : 0.05D | C ø8 an | d above :0. | 07DC | 0.01 | DC |
| `●`Groo | ve Finis | hing | Carbo | Steel | Allo | teel | Temered Steel | Hardened Steel | ||||||||
| Work Material Cond. | Structur S | al Steel S | S (150 to 2 | C 50HB) | Cast F | Iron C | y SC (25 to 3 | M 5HRC) | p , NAK, (35 to 4 | HPM 5HRC) | Hardene (45 to 5 | d Steel 5HRC) | Stainle SUS304, | ss Steel SUS316 | Heat Resi Titaniu | stant Alloy m Alloy |
| DC(mm) | Spindle Speed | Feed Rate | Spindle Speed | Feed Rate | Spindle Speed | Feed Rate | Spindle Speed | Feed Rate | Spindle Speed | Feed Rate | Spindle Speed | Feed Rate | Spindle Speed | Feed Rate | Spindle Speed | Feed Rate |
| (min-1) | (mm/min) | (min-1) | (mm/min) | (min-1) | (mm/min) | (min-1) | (mm/min) | (min-1) | (mm/min) | (min-1) | (mm/min) | (min-1) | (mm/min) | (min-1) | (mm/min) | |
| 1.0 | 18,500 | 250 | 18,500 | 250 | 18,500 | 250 | 17,000 | 150 | 11,500 | 100 | 8,000 | 65 | 9,400 | 65 | 8,000 | 45 |
| 2.0 | 9,400 | 250 | 9,400 | 250 | 9,400 | 250 | 8,500 | 200 | 6,700 | 130 | 4,000 | 65 | 4,600 | 90 | 4,000 | 60 |
| 4.0 | 4,500 | 350 | 4,500 | 350 | 4,500 | 350 | 4,300 | 250 | 3,500 | 210 | 2,000 | 110 | 2,300 | 110 | 2,000 | 70 |
| 6.0 | 3,100 | 400 | 3,100 | 400 | 3,100 | 400 | 2,800 | 300 | 2,400 | 220 | 1,300 | 120 | 1,500 | 120 | 1,300 | 90 |
| 8.0 | 2,300 | 380 | 2,300 | 380 | 2,300 | 380 | 2,100 | 300 | 1,800 | 220 | 950 | 120 | 1,100 | 120 | 900 | 90 |
| 10.0 | 1,800 | 350 | 1,800 | 350 | 1,800 | 350 | 1,700 | 300 | 1,400 | 220 | 700 | 120 | 900 | 120 | 800 | 90 |
| 12.0 | 1,500 | 350 | 1,500 | 350 | 1,500 | 350 | 1,400 | 300 | 1,200 | 220 | 650 | 110 | 750 | 120 | 650 | 90 |
| 16.0 | 1,100 | 300 | 1,100 | 300 | 1,100 | 300 | 1,000 | 240 | 900 | 190 | 480 | 90 | 550 | 100 | 490 | 70 |
| 20.0 | 900 | 280 | 900 | 280 | 900 | 280 | 850 | 210 | 700 | 170 | 400 | 80 | 440 | 90 | 400 | 60 |
| 25.0 | 720 | 220 | 720 | 220 | 720 | 220 | 680 | 170 | 560 | 130 | 320 | 60 | 352 | 70 | 320 | 50 |
| Standard ap | 1.5 | DC | ||||||||||||||
| Depth-of-cut ae | 0.02D | C Max. |
Square 2 Flutes 3 Flutes 4 Flutes 6 Flutes 8 Flutes Radius Ballnose DLC SUMIDIA Coat Long Neck Uncoated CBN PCD