Written by 
Introducing the 5.5 kW ATC Automatic Tool Change Water‑Cooled Spindle – the ultimate power solution for high‑precision CNC metal‑working. Engineered with a robust BT30 collet, dual‑pole speed options, and versatile voltage compatibility, this spindle delivers unmatched performance, reliability, and efficiency for demanding machining environments.
Key Highlights
- Powerful 5.5 kW motor for rapid material removal and consistent torque.
- Dual‑pole configuration: 4‑pole @ 24 000 rpm | 8‑pole @ 18 000 rpm for flexible speed control.
- Water‑cooled design ensures optimal temperature stability and extended spindle life.
- BT30 collet system supports a wide range of tool sizes (Ø 3 mm‑12 mm).
- Universal voltage options: 220 V | 380 V, compatible with most industrial power supplies.
- Integrated VFD (Variable Frequency Drive) for smooth acceleration, deceleration, and precise speed tuning.
- Seamless ATC (Automatic Tool Change) integration reduces downtime and boosts productivity.
Technical Specifications
- Motor Power: 5.5 kW (7.4 HP)
- Speed Range: 24 000 rpm (4‑pole) / 18 000 rpm (8‑pole)
- Voltage: 220 V ± 10 % / 380 V ± 10 %
- Frequency: 50 Hz / 60 Hz
- Cooling: Closed‑loop water cooling system (max. 30 °C rise)
- Collet Type: BT30, 3 mm – 12 mm
- Mounting: R‑8 flange, 80 mm depth
- Dimensions: 300 mm × 150 mm × 180 mm (L × W × H)
- Weight: 18 kg (without water)
- Operating Environment: -10 °C to +45 °C, dust‑free workshop
Why Choose This Spindle?
Designed for CNC routers, milling machines, and multi‑axis centers, this spindle offers a perfect blend of speed, power, and cooling efficiency. The built‑in VFD eliminates the need for external drives, simplifying wiring and reducing overall system cost. Its water‑cooled architecture maintains consistent performance even during long‑run operations, while the ATC compatibility ensures rapid tool swaps for uninterrupted workflow.
Ideal Applications
- Aluminum and brass milling
- Precision engraving and PCB drilling
- Prototype part production
- Small‑batch metal fabrication
- Educational CNC labs and training centers
Installation & Support
Each spindle ships with a comprehensive installation guide, mounting hardware, and a 2‑year warranty. Our technical support team is available 24/7 to assist with setup, VFD configuration, and routine maintenance.
Upgrade your CNC workstation today with the 5.5 kW ATC Automatic Tool Change Water‑Cooled Spindle and experience faster cycles, higher precision, and lower operating costs.
Price: Original price was: $ 1 178.00.$ 824.60Current price is: $ 824.60.