Powerful Water Cooled CNC Spindle Motor 5.5KW 380V 11A 24000 RPM With ER25 Chuck And 4 Hole Aerial Plug 120mm Diameter For CNC Milling And Grinding Machine
✔️ 5.5kW, 380V, 24000 rpm, ER25 chuck, 120mm dia, 330mm length
This high-powered water-cooled spindle motor is built for CNC milling and engraving, delivering robust torque in metalworking, wood engraving, and PCB routing. It’s ideal for CNC machines that require steady heat management and precision under load.
✅ Spindle power: 5.5 kW; Voltage: 380V; Current: 11A; Frequency: 400-800 Hz
✅ Speed and size: 0-24000 rpm; Dia 120 mm (4.72 in); Length 330 mm (12.99 in)
✅ Construction: stainless steel body; double dustproof head bearing; sealed and waterproof
✅ Connectors & installation: ER25 chuck nut; 4-hole aerial plug; three-phase inverter connection
✅ Installation & use: connect via three-phase inverter; run-in and warm-up recommended
💡 What is a water-cooled CNC spindle used for in high-speed milling and engraving? In short, it powers cutting tools with high torque while keeping heat in check for accuracy under heavy use.
- Handy for engraving wood, PCB, PVC, acrylic
- Great for milling aluminum and brass
- ER25 chuck enables quick tool changes
- Needs proper coolant flow and run-in for longevity