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
R1×1°30′×12 · R0.5×1°30′×12 · R0.5×1°30′×12
•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.