Lineup
Motor Spindle
E4000
BMS-4020-MQL-CHK [End of sales: Dec. 2024]
Coolant through spindle
(Max. 20,000 min⁻¹)
Code Number03M:7735
2M:7736
2M:7736
Products
- Type
- Motor Spindle
- Outer Diameter
- φ40 mm
- Max. rpm
- 20,000 min-1
- Spindle accuracy
- Within 1 μm
- Collet
- CHK-OH Group
(ø3.0–ø6.35 mm) - Max. power
- 1,200 W
- Cord length
- BMS-4020-MQL-CHK: 0.3m
BMS-4020-MQL-CHK-2M: 2.0m - Min. bending cord radius
- 70 mm
- Max. torque
- 1.0 N・m
- Weight
- BMS-4020-MQL-CHK: 2.3kg
BMS-4020-MQL-CHK-2M: 2.8kg - Standard accessories
- Collet nut (K-265)
Insert
Ferrule set
Wrench (12 × 14): 2 pcs. - Specifications
- Coolant pressure: 0.2–3.0 MPa
Oil mist pressure: 0.2–1.0 MPa
Power cable with Air hose: Connector diameter: ø30 mm / Air hose: ø6 mm
Signal cable: Connector diameter: ø16 mm - Options
- Collet (CHK-OH Group): ø3.0–ø6.35 mm
*Collet is sold separately.
Power cable with Air hose: Length 2 m (9253), 4 m (9254), 6 m (9255), 8 m (9256)
Signal cable: Length 2 m (9257), 4 m (9258), 6 m (9259), 8 m (9260)
*8M Motor cord cannot be used for BMS-4020-MQL-CHK 2M.
Adjuster Bolt (7739) - Comparison Table
● Pressurized coolant entered through the back of the spindle and through the cutting tool at a speed of 40,000 RPM.
● Through coolant improves chip clearance, accuracy, productivity and extends tool-life.
* "High pressure coolant device" or "oil mist supply device" to be arranged by the customer.
*The successor model is CTM-4020.
For details, please click here.