Case Studies
Motor Spindles
E4000 series
φ3㎜ Drilling (A7075)
Product: BMS-4020-MQL-CHK
Spindle O.D.:φ40mm
- Product series
 - E4000
 - Product
 - BMS-4020-MQL-CHK
 - Spindle O.D.
 - φ40mm
 - Tools
 - NACHi Aqua drill EX flat oil hole
L/D=3 φ3 AQDEXZOH3D0300 - Work
 - Aluminum alloy (A7075)
 - Hole depth
 - 9mm (L/D=3) Blind hole Non-step
 - Coolant
 - processing
Non-water-soluble cutting oil (1.5MPa)
Internal coolant 
- 
              

Drilling Condition
 - 
              

Machining mounted
 
Drilling condition
| NACHI | NAKANISHI | |
|---|---|---|
| Cutting Speed [m/min] | 70.7 | 141.3 | 
| Spindle Speed [min-1] | 7,400 | 15,000 | 
| Feed Rate [mm/rev] | 0.071 | 0.066 | 
| Feed [mm/min] | 532 | 1,000 | 
Comparison result
Cutting Speed [m/min] 2times
Spindle Speed[min-1] 2times
Feed[mm/min] 2times
Point
E4000 controller :Two load meter lighting(continuous duty area)
This CHK-type slim spindle head can get close to the work,
the tool over hang can be minimized.
The processing efficiency is improved by 2 times on the grounds that
Spindle speed and feed can be increased.
↓
The minimized tool overhang enables precise processing.
The tool life improves due to efficient chip evacuation.