Общий каталог Dijet 2018 - страница 188
Навигация
Общий каталог Dijet 2012 на русском
■ RECOMMENDED CUTTING CONDITIONS / HIGH FEED MACHINING
- MRX type with HRM/FRM insert ＋MSN Carbide Shank Holder ※Recommended to reduce depth of cut ap by corner radius with keeping feed speed Vf. (Refer the below table)
Tool dia. (mm)
| Work | Insert | φ16×R3/φ17×R3 | φ20×R3/φ22×R3 | |
| Materials | Grades | ℓ |
| ae | ap | n | Vf | ℓ | ae | ap | n | Vf | |||||
| (mm) | (mm) | (mm) | (min-1) | (mm/min) | (mm) | (mm) | (mm) | (min-1) | (mm/min) | ||||
| Carbon steel | 80 | 7.0 | 0.60 | 3,800 | 3,800 | 100 | 9.8 | 0.60 | 3,000 | 3,000 | |||
| S50C, S55C | 120 | 7.0 | 0.40 | 3,800 | 3,800 | 150 | 9.8 | 0.40 | 3,000 | 3,000 |
JC8015 (C50, C55)
| Below 250HB | 160 | 7.0 | 0.30 | 3,800 | 3,800 | 200 | 9.8 | 0.30 | 3,000 | 3,000 | |
| Mold steel | 80 | 7.0 | 0.60 | 3,500 | 3,500 | 100 | 9.8 | 0.60 | 2,800 | 2,800 | |
| HPM7, PX5, NAK80, P20 | 120 | 7.0 | 0.40 | 3,500 | 3,500 | 150 | 9.8 | 0.40 | 2,800 | 2,800 |
JC8015 (1.2311, P20)
| 30-43HRC | 160 | 7.0 | 0.30 | 3,500 | 3,500 | 200 | 9.8 | 0.30 | 2,800 | 2,800 | |
| Die steel | 80 | 7.0 | 0.60 | 3,500 | 3,500 | 100 | 9.8 | 0.60 | 2,800 | 2,800 | |
| SKD61, SKD11 | JC8015 | 120 | 7.0 | 0.40 | 3,500 | 3,500 | 150 | 9.8 | 0.40 | 2,800 | 2,800 |
(1.2344, 1.2379)
| Below 255HB | 160 | 7.0 | 0.30 | 3,500 | 3,500 | 200 | 9.8 | 0.30 | 2,800 | 2,800 |
| 80 | 7.0 | 0.60 | 3,400 | 3,400 | 100 | 9.8 | 0.60 | 2,700 | 2,700 |
Stainless steel
| SUS304 | JC8015 | 120 | 7.0 | 0.40 | 3,400 | 3,400 | 150 | 9.8 | 0.40 | 2,700 | 2,700 | |
| Below 250HB | 160 | 7.0 | 0.30 | 3,400 | 3,400 | 200 | 9.8 | 0.30 | 2,700 | 2,700 | ||
| Hardened die steel | 80 | 7.0 | 0.60 | 3,000 | 3,000 | 100 | 9.8 | 0.60 | 2,400 | 2,400 | ||
| SKD61, DAC, DHA | JC8015 | 120 | 7.0 | 0.40 | 3,000 | 3,000 | 150 | 9.8 | 0.40 | 2,400 | 2,400 |
(1.2344, 1.2379)
| 40-50HRC | 160 | 7.0 | 0.30 | 3,000 | 3,000 | 200 | 9.8 | 0.30 | 2,400 | 2,400 | ||
| Grey & Nodular | 80 | 7.0 | 0.60 | 3,200 | 3,200 | 100 | 9.8 | 0.60 | 2,500 | 2,500 | ||
| cast iron | JC8015 | 120 | 7.0 | 0.40 | 3,200 | 3,200 | 150 | 9.8 | 0.40 | 2,500 | 2,500 |
FC, FCD (GG, GGG)
| Below 300HB | 160 | 7.0 | 0.30 | 3,200 | 3,200 | 200 | 9.8 | 0.30 | 2,500 | 2,500 | |||
| R1 | ap×0.50 | R1 | ap×0.50 | ||||||||||
| Depth of cut adjustment | Corner | R1.5 | ap×0.60 | Corner | R1.5 | ap×0.60 | |||||||
| by corner radius | radius | R2 | ap×0.75 | radius | R2 | ap×0.75 | |||||||
| (ap×ratio) | R3 | ap×1.0 | R3 | ap×1.0 |
※Recommend to reduce depth of cut ap according to above table with keeping feed speed ℓ: Overhung length, ap: Depth of cut, ae: Pick feed, n: Spindle speed, Vf: Feed speed
■NOTE
1) The cutting parameters to be adjusted according to the machine rigidity or work rigidity. 2) In case chatter occurrs, recommend to reduce depth of cut or feed speed. 3) If machine does not have enough power, recommend to reduce depth of cut first and reduce spindle speed and feed speed. 4) Use air blow to flush the chips out.
5) In case of 50-55 HRC (Hardened die steel), recommend to reduce ap, n, Vf by 30% on
above table. 6) In case of good surface requirement, recommend to reduce feed speed. 7) In case of ramping, ramping angle up to 2° 30’ is recommended. 8) In case of ramping and helical interpolation, apply 70% or less feed speed from above table.
★Instruction for mounting insert
1. Clean the insert seat carefully. Dimensions Recommended Torque 2 .Clean the insert, especially hole and location face. φDc N~m