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CNC spindles

High-Speed 5.5kW BT30 ATC Water-Cooled CNC Spindle

Whether you're a procurement manager searching for dependable components, a factory owner scaling production, or a DIY user upgrading your machine, the 5.5kW ATC spindle motor delivers the precision, power, and durability you need.

Among the best in class is the 5.5kW Water Cooled Spindle, featuring a BT30 taper, automatic tool changing, and high-speed capabilities. It’s specifically designed for milling, engraving, and cutting across wood, plastic, aluminum, and non-ferrous metals.

Table of Contents

Why Choose a 5.5kW Water-Cooled ATC Spindle?

The 5.5kW spindle motor hits the sweet spot between power and efficiency. It’s powerful enough for demanding tasks, yet energy-efficient and compact enough for various CNC applications.

Top Benefits:

  • Stable High-Speed Milling (up to 24,000 RPM)

  • BT30 Taper with ATC for quick, reliable tool changes

  • Water Cooling System for consistent performance during long runs

  • Durable Bearings & Structure for heavy-duty, continuous use

  • Compatible with Most CNC Routers and Milling Machines

Common Applications

  • Precision wood engraving

  • Mold machining

  • Aluminum panel cutting

  • Composite material milling

  • Mass production of furniture, signs, and parts

Technical Parameters – 5.5kW ATC Water Cooled BT30 Spindle

ModelGDZ125-5.5-24Z/3
Power Output5.5kW
Voltage380V (3-phase)
Frequency300Hz
Max Speed24,000 RPM
Cooling MethodWater-cooled
Tool InterfaceBT30
ATC CapabilityYes
Bearings4 pcs Ceramic Angular Contact Bearings
LubricationGrease
Application MaterialsWood, Plastic, Acrylic, Aluminum, MDF
Housing MaterialAluminum Alloy
WeightApprox. 18~20 kg

What Makes This Spindle Stand Out?

  • Smooth Operation: The water-cooling system ensures the motor stays cool even under continuous loads.

  • BT30 Precision: The industry-standard taper guarantees rigid clamping, low vibration, and quick automatic tool changes.

  • Extended Life: High-quality ceramic bearings reduce wear, extend service life, and support high-speed performance.

Conclusion: A Perfect Balance of Power and Precision

If you’re upgrading your CNC system, the 5.5kW Water-Cooled BT30 ATC Spindle Motor is a smart investment. It’s fast, efficient, and engineered for reliability. Whether you’re producing custom signs or running a full-scale milling operation, this spindle motor provides the torque and accuracy you demand.

Call to Action: Upgrade to a 5.5kW ATC Spindle Today

Ready to take your CNC milling to the next level?

👉 Contact us now for factory-direct pricing, expert advice, and fast global shipping. We supply high-performance 5.5kW spindle motors, complete with BT30 ATC interface and water-cooling systems—perfect for your next project.

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