Case Studies
Motor Spindles
E4000 series
♯ Special Purpose Machine
♯ Milling
♯ Casting Iron
♯ Automotive
♯ φ3.1～φ5.0
φ4.0㎜ Helical processing (Gray casｔ iron)
Product： BMS-4020
Spindle O.D.：φ40mm
- Product series
- E4000
- Product
- BMS-4020
- Spindle O.D.
- φ40mm
- Tools
- NS TOOL φ4.0 3-Flute MUGEN-COATING
POWER“Z”End Mill MSZ345 φ4 - Work
- Gray casting iron
- Cutting
- φ6.8×8.15L Drilling through hole×8 holes
φ4.0×8.15L Drilling through hole×2 holes
φ4㎜ End mill Helical processing - Coolant
- Non-water-soluble cutting oil
Cutting Condition
| NS TOOL | NAKANISHI | |
|---|---|---|
| Cutting Speed[m/min] | 75（φ6.8） 57（φ4.0） | 251 |
| Spindle Speed [min-1] | 3,500（φ6.8） 4,500（φ4.0） | 20,000 |
| Drilling Feed [mm/min] | 300(0.085mm/rev) 400(0.089mm/rev) | 600 |
| Helical processing Feed [mm/min] | － | 1,000 pitch1.2 |
| Processing Time [sec] | 13.4 | 15.8 |
Point
Helical processing of φ6.0 andφ4.8
holes byφ4 End mill
↓
Good finishing surface
