Technology
Deep Milling Model
STAVAX 52HRC
MRBTNH230 / Long Taper Neck Ball End Mill
Work size : 7.5 x 7 x 12 mm
Material : STAVAX 52HRC
Cutting Time : 2hr26min
More rigidity by adopting new designed taper neck! Realized high precision deep milling to the hardened steels.
Tool
MRBTNH230
•Taper neck type ball end mill improves accuracy for deep milling.
•Optimized taper neck design and MUGEN-COATING PREMIUM realized to show its higher ability for hardened steels.
•Lineup of total 159 sizes with high versatility 2-flute end mills.
Cutting Condition
| Cutting process | Roughing | Stock removal | Semi-finishing | Finishing |
| Tool | MRBTNH230 R1×1°30'×12 |
MRBTNH230 R0.5×1°30'×12 |
MRBTNH230 R0.5×1°30'×12 |
|
| Spindle speed (min-1) |
18,000 | 15,000 | 12,000 | 12,000 |
| Feed （mm/min） |
2,000 | 600 | 500 | 300 |
| Depth of cut ap×ae(mm) |
0.15×0.35 | 0.025×0.08 | 0.02×0.02 | 0.01×0.01 |
| Coolant | Oil mist | |||
| Cutting time | 14min | 12min | 23min | 1hr37min |
Comment
Accurate cutting has realized in tolerance -0.004mm. Also realized the surface roughness of Ra 0.121 μm and Rz 0.898 μm without chattering.