
■ RECOMMENDED CUTTING CONDITIONS
Tooling by DIJET
| Tool d | ia. (mm) | ||||
| Insert | 25 | /26 | |||
| Work Materials | Grades | No.of | teeth 3N | ||
| ℓ (mm) | ap (mm) | n (min-1) | Vf (mm/min) | ||
| Carbon steel | JC7560 | 90 | 0.6 | 2,300 | 6,900 |
| S50C, S55C (C50, C55) | (JC5040) | 140 | 0.5 | 2,300 | 6,900 |
| Below 250HB | (JC8050) | 210 | 0.3 | 1,900 | 5,700 |
| Mold steel HPM7 PX5 | JC8118 | 90 | 0.6 | 2,300 | 6,900 |
| , , NAK80, P20 (1.2311P20) | JC5118 (JC7560) | 140 | 0.5 | 2,300 | 6,900 |
| , 30-43HRC | (Below 36HRC) | 210 | 0.3 | 1,900 | 5,700 |
| Die steel | JC7560 | 90 | 0.6 | 2,300 | 6,900 |
| SKD61, SKD11 (1.2344, 1.2379) | (JC5040) | 140 | 0.5 | 2,300 | 6,900 |
| Below 255HB | (JC8050) | 210 | 0.3 | 1,900 | 5,700 |
| Stainless steel | JC7560 | 90 | 0.6 | 2,000 | 6,000 |
| SUS304 Below 250HB | (JC5118) (JC8050) | 140 | 0.5 | 2,000 | 6,000 |
| (JC8118) | 210 | 0.3 | 1,900 | 5,700 | |
| Hardened die steel | JC8118 | 90 | 0.5 | 1,100 | 2,000 |
| SKD61, DAC, DHA (1.2344, 1.2379) | JC5118 | 140 | 0.3 | 1,000 | 1,800 |
| 40-50HRC | JC8015 | 210 | – | – | – |
| Grey&Nodular | JC8118 | 90 | 0.8 | 1,900 | 6,900 |
| cast iron FC, FCD (GG, GGG) | JC5118 JC8015 | 140 | 0.6 | 1,900 | 6,300 |
| Below 300HB | (JC7560) | 210 | 0.5 | 1,600 | 5,300 |
| SKD61, DAC, DHA | 120 | 0.2 | 2,380 | 2,380 | 120 | 0.3 | 1,200 | 1,400 | ||
| (1.2344,1.2379) | JC8015 | |||||||||
| ℓ: Overhung length, ap: Depth of cut, n: Spindle speed, Vf: Feed speed 160––– | 190 | – | – – | |||||||
| 40-50HRC | ||||||||||
| Grey & Nodular | 70 | 0.5 | 2,980 | 6,550 | 70 | 0.6 | 2,400 | 5,800 | ||
| JC5118 | ||||||||||
| cast iron | JC8015 | 120 | 0.4 | 2,980 | 5,960 | 120 | 0.5 | 2,400 | 5,300 | |
| FC, FCD (GG, GGG) | (JC7560) | |||||||||
| Below 300HB | 160 | 0.3 | 2,500 | 5,000 | 190 | 0.4 | 2,000 | 4,800 |
ℓ : Overhung length, ap : Depth of cut, n : Spindle speed, Vf : Feed speed ■■ NOTENOTE 1) ) The cutting parameters to be adjusted according to the machine rigidity or work rigidity. 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 spindle speed with kee- 2)In case chatter occurrs, recommend to reduce depth of cut or spindle speed with keeping ping feed per tooth. feed per tooth. 3) If machine does not have enough power, recommend to reduce depth of cut first and 3)If machine does not have enough power, recommend to reduce depth of cut first and reduce reduce spindle speed and feed speed. 4) spindle speed and feed speed.Use air blow to flush the chips out. 45) In case of 50-55HRC (Hardened die steel), recommend to reduce 30% above ap, n, Vf. )Use air blow to flush the chips out. 5)In case of 50-55HRC (Hardened die steel), recommend to reduce 30% above a , n, Vf. 6) In case of unfavourable conditions, insert grade JC8050 is recommended. p 6)In case of unfavourable conditions, insert grade JC8050 is recommended.