Общий каталог Dijet 2018 - страница 212
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Общий каталог Dijet 2012 на русском
■ CASE STUDIES
1. Replacement from solid carbide ball nose endmill to indexable tool.
| Partname | Die casting mold | ||
| ork | Material | DH21:Hardened die steel (1.2344MD) | |
| W | Hardness | 48HRC | |
| Tool | Tool No. | Head:MRN-120-M6-H(Through coolant hole) Holder:MSN-M6-50-S12C | |
| Insert No. Grade | HRM-120-R20(JC8015) | ||
| n, (Vc) | n=4,000min-1,Vc=150m/min | ||
| s | Vf,(f ) | Vf=4,000mm/min,f=1mm/rev | |
| ition | ap | 0.25mm | |
| We recommend High feed mirror radius | d | ||
| lt instead of solid carbide ball nose end mill of competitor. HRM can machine from roughing to i | g con | ae | 5mm |
| Resu semi-finishing on hardened steel without chat- tering and machine efficiency has been highly improved and also chip clogging problem | Cuttin | Coolant | Wet cu t(Coolant through) |
| solved because of coolant was flushed through coolant hole. | Machine | Vertical MC |
2. Replacement to coolant through modular head.
| Partname | Injection mold | ||
| Work | Material | P20 Mold steel(PX5) | |
| Hardness | 28-32HRC | ||
| Tool | Tool No. | Head:MRN-120-M6-H(Through coolant hole) Holder:MSN-M6-90S-S12C | |
| Insert No. Grade | HRM-120-R20(JC8015) | ||
| n, (Vc) | n=3,000min-1,Vc=113m/min | ||
| ns | Vf, (f ) | Vf=1,500mm/min, f=0.5 mm/rev | |
| ditio | ap | 0.5mm | |
| lt At 50mm deep cavity milling, competitor’s tool without through coolant hole was damaged due to unable to flush the chips in the cavity | ng con | ae | 4mm |
| Resu l and it was replaced with MRN Head+MSN Shank with through coolant hole. It was obser- d th tl lif t hih fd it illi | Cutti | Coolant | Internal air blow |
| veeooeageecavymngwas more than 2 hours without any damage. | Machine | Vertical MC |