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High-Performance 5.5kW Water Cooling CNC Router ATC Spindle Motor for Precision Metal Machining

When it comes to CNC machining, choosing the right spindle motor determines the precision, speed, and reliability of your entire system.

For high-demand applications such as aluminum cutting, steel engraving, and heavy-duty woodworking, the 5.5kW Water Cooling CNC Router ATC Spindle Motor is an exceptional choice.

This BT30 water ATC spindle motor is specifically designed for automatic tool changing, and is ideal for professional-grade metal spindle applications requiring stable temperature control and extended duty cycles.

Table of Contents

Why Choose a Water-Cooled BT30 ATC Spindle Motor?

The BT30 water ATC spindle motor combines efficiency and durability. Water cooling keeps the motor running at optimal temperatures, preventing overheating during long machining sessions. This is crucial when cutting hard materials like aluminum or carbon steel, or when working with complex 3D shapes.

Key Advantages:

  • Powerful 5.5kW Output: Delivers consistent torque and performance for precision tasks.

  • BT30 Tool Holder: Ensures fast and reliable automatic tool changes, improving production efficiency.

  • Stable Water Cooling System: Maintains spindle performance with minimal thermal expansion.

  • Oil-cooled Bearings: Reduce wear and extend spindle life under heavy loads.

  • 125mm Diameter Design: Balances power with compact integration for CNC routers or mills.

5.5kW BT30 Water Cooling CNC ATC Spindle Motor for Metal

Ideal Applications

The oil-cooled BT30 125mm ATC spindle motor is used across industries like:

  • Metalworking: Steel, brass, copper, aluminum engraving and drilling.

  • CNC Woodworking: High-speed, fine-finish routing and 3D carving.

  • Plastic & Composite Processing: Smooth cutting of PVC, carbon fiber, and acrylic.

  • Mold Making: Ideal for precision cutting of mold components and prototypes.

Technical Specifications

  • SpecificationDetails
    Spindle ModelBT30-125mm-5.5kW-24K
    Power Output5.5 kW
    Cooling TypeWater Cooling (optional oil-cooled)
    Tool HolderBT30
    Max Speed24,000 RPM
    Voltage380V / 220V (3-phase)
    Bearing TypeCeramic + oil-cooled
    ApplicationMetal, wood, plastics, mold making

Technical Parameters (2.2kW Air Cooling Spindle)

SpecificationDetails
Power2.2kW
Voltage220V/380V
Cooling TypeAir cooled (internal fan)
Max Speed24,000 RPM
Frequency0–400Hz
Collet TypeER20
Spindle BodyAluminum alloy shell
Bearings4 High-speed angular contact bearings
Application MaterialWood, MDF, Plastic, Soft Metals

Why Choose Our Air Cooling Spindles?

We are a trusted manufacturer and exporter of high-performance air cooling spindles tailored for CNC router machines. Our spindles are known for:

  • ✔ Consistent high-speed performance

  • ✔ Factory-direct pricing with warranty

  • ✔ Wide range of models (ISO, ER collets, ATC options)

  • ✔ Fast shipping and global support

  • ✔ Compatibility with leading CNC controller brands

Ready to Upgrade Your CNC Router?

If you want reliable power, easy setup, and minimal maintenance, an air cooling spindle is an excellent investment for most CNC router applications. It’s especially ideal for dry environments, small to medium workload shops, and users who prefer a plug-and-play setup over water-cooled complexity.

Contact us today for a quote or more technical guidance. We’ll help you find the best air-cooled spindle for your CNC machine!

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