4.5kW Water-Cooled Spindle Motor ER20 High-Speed Precision CNC (24000RPM)

Overview

This 4.5kW round water-cooled spindle motor is manufactured with high-precision engineering to ensure stable performance and a long service life. It is widely used in woodworking, metalworking, engraving, and cutting equipment. Each spindle undergoes strict testing and dynamic balancing to maintain low noise and high accuracy even at top speeds.

Specifications

Key Features

1. High Speed & Power – Capable of heavy-duty machining for extended periods, improving efficiency and productivity.

2. Water Cooling System – Efficiently reduces operating temperatures, extending the spindle’s service life.

3. Precision Manufacturing – High-quality bearings and precise dynamic balancing ensure smooth operation and excellent surface finish.

4. Durable Construction – Made from premium materials for long-term reliability and reduced maintenance costs.

5. Versatile Applications – Suitable for woodworking, acrylic, aluminum, copper, and other non-ferrous or soft metal processing.

What’s Included

When you purchase this product, you will receive:

• 1 × 4.5kW Water-Cooled Spindle Motor – ER20 collet chuck pre-installed

• 1 × ER20 Nut – For securing collets

• 2 × ER20 Collets – For tool shank sizes from 1–16 mm (sizes may vary)

• 1 × Aviation Plug – For reliable electrical connection

• 2 × Water Pipes – For easy setup of the water cooling system

This complete package allows you to start CNC machining immediately without the need for additional accessories.

Usage Notes

• When viewed from the spindle output end, the rotation direction must be counterclockwise (CCW).

• Always ensure tools and workpieces are securely clamped before operation to prevent accidents or damage.

Warranty & Service

• Warranty Period: 1 year against manufacturing defects (excluding misuse or accidental damage).

• Within Warranty: Free repair service.

• After Warranty: Repair available at cost price.