ER20 80mm 2.2KW Quiet Water Cooled Spindle Motor for CNC Router Engraving Machine

ER20 2.2KW Water Cooled CNC Spindle Motor

VIDEO OF CNC SPINDLE MOTOR

CATALOGUE OF ZHONG HUA JIANG (PDF Download)

      CNC Router Machine Catalogue 2025.pdf

WATER COOLED SPINDLE MOTOR FOR SALE

Are you searching for an efficient and reliable solution to power your CNC woodworking, engraving, milling, or DIY crafting projects? Zhong Hua Jiang ER20 2.2KW water cooled spindle motor is a powerful and stable spindle solution for CNC routers and engraving machines.

This round water cooled CNC spindle motor is designed for hobbyists, students, small workshops, and professional users who need quiet operation, stable speed, and accurate machining. With 2.2KW power, ER20 collet compatibility, 110V/220V/380V voltage options, and 10000-24000 RPM speed range, it is suitable for engraving, carving, drilling, cutting, and light milling tasks.

The water-cooling structure helps maintain lower spindle temperature during long-duration CNC work, reducing noise and improving continuous machining stability. It is a practical upgrade for CNC routers processing wood, acrylic, MDF, PVC, PCB, plastics, and soft metals such as aluminum, brass, and copper.

Zhong Hua Jiang water cooled spindle motors are built with durable materials, precision bearings, and stable electrical components to support long service life, accurate cutting, and smooth surface finish.

TECHNICAL SPECIFICATIONS

APPLICATIONS & USE CASES

The ER20 2.2KW water cooled CNC spindle motor is suitable for CNC engraving, routing, carving, drilling, and light milling. It is widely used for wood, acrylic, MDF, PVC, PCB, plastic sheets, and soft metal machining.

Wood

Acrylic

Soft Metals

FEATURES OF CNC WATER COOLED SPINDLE MOTOR

Zhong Hua Jiang ER20 80mm 2.2KW Water Cooled Spindle Motor is designed for simple operation, accurate machining, and long-duration CNC work. It combines ER20 tool holding, 400Hz VFD speed control, and stable water cooling for professional engraving and cutting performance.

This round water-cooled spindle motor delivers 2.2KW of power, supports 10000-24000 RPM, and achieves runout less than 0.005mm. Four upgraded high-precision steel bearings and advanced dynamic balancing technology help reduce vibration and noise while improving cutting stability.

The water-cooled design provides excellent heat dissipation and quieter operation, making it ideal for long-duration engraving, carving, and cutting on wood, acrylic, MDF, PVC, PCB, and soft metals.

Key Features of Water Cooled CNC Spindle Motor

User-Friendly Control

The ER20 2.2KW water cooled spindle motor supports compatible VFD speed control, making operation and adjustment easier for users of different skill levels.

High-Precision Collet System

Equipped with an ER20 collet, the spindle provides secure tool holding, minimal runout, and precise machining for consistent cutting quality.

Advanced GRBL Compatibility

The spindle can work with common CNC control systems and allows easy speed adjustment from 10000-24000 RPM for different materials and project needs.

Reliable Electrical Components

Supporting 110V/220V/380V and 8.5A current, the spindle is built with stable electrical components for reliable long-term performance.

Accurate Speed Regulation

With 400Hz VFD control, the spindle provides smooth speed regulation and stable operation for engraving, cutting, and milling applications.

Optimized Water-Cooling Design

The water-cooling system dissipates heat efficiently, reduces noise, and enhances durability for extended CNC operation.

ADVANTAGES OF WATER COOLED SPINDLE MOTOR

Advanced Dynamic Balance Design

Innovative dynamic balancing technology helps reduce noise, improve spindle stability, and support smoother high-speed CNC machining.

Extended Working Life

Four upgraded steel bearings, superior bearing durability, and an all-copper rotor coil help extend spindle service life. Under correct cooling and VFD settings, working life can reach 2 years at 8 hours per day.

Our Spindle Motor	Other Spindle Motor
Runout less than 0.005mm	Runout 0.05mm

High Accuracy & Concentricity

Further precision processing helps keep spindle runout less than 0.005mm, delivering up to 10 times better precision than ordinary spindle motors.

 10 TIMES PRECISION RUNOUT OFF 

Easy and Fast Installation

Equipped with pre-soldered aviation wire and power wire, this spindle motor supports quick installation and easier connection to a compatible 400Hz VFD.

PACKAGE OF SPINDLE MOTOR

Whether you are a hobbyist or a professional CNC workshop, Zhong Hua Jiang provides water cooled spindle motor solutions for different CNC projects. If the standard configuration does not meet your needs, our sales team can help customize a suitable spindle solution.

RECOMMEND WATER COOLED SPINDLE MOTOR

Besides the Zhong Hua Jiang 2.2KW ER20 water cooled spindle motor, we offer 0.8KW, 1.5KW, and 3KW water cooled spindle motors, plus spindle motor VFD kits for different CNC router sizes and production needs.

ER11 0.8KW Water Cooled Spindle Motor

ER11 1.5KW Water Cooled Spindle Motor

ER20 3KW Water Cooled Spindle Motor

ER11 1.5KW Water Cooled Spindle Motor Kits

ER20 2.2KW Water Cooled Spindle Motor Kits

ER20 3KW Water Cooled Spindle Motor Kits

COMPANY PROFILE

 CNC SPINDLE MOTOR MANUFACTURER 

WHY CHOOSE US

Quality Assurance Superior quality performance Strict quality control	Patents and Certifications Several patents for air-cooled spindle motors	Additional Brand Value Brand value highly recognized by the market
Reasonable Price Direct factory sales Highly cost performance	Full Time Service Professional technical support Close and quick customer service	Fast and Reliable Delivery Fast and efficient delivery Real-time tracking and updates

 LEADING CNC MACHINE/CNC SPINDLE MOTOR 

 MANUFACTURER SINCE 2000 

OUR PRODUCT RANGE

CNC Router Machines

Our Zhong Hua Jiang CNC router machines, including models like 3018, 3020, 3040, and 6090, are designed for precision engraving and cutting projects.

CNC Spindle Motors

Power your CNC projects with air-cooled and water-cooled spindle motors designed for stable machining across diverse materials.

CNC Accessories

Enhance CNC operation with limit switches, Z probes, emergency stop buttons, and other precision accessories.

Electrical Wires

Double-shielded cables and shielded chain cables help reduce signal interference and improve connection reliability.

Stepper Motors

High-performance stepper motors provide precise motion control and robust operation for CNC machines.

PRODUCT CERTIFICATION

CUSTOMER FEEDBACK

FAQ

1. What materials can the 2.2KW CNC Spindle Motor work with?

It excels in engraving and milling wood, acrylic, MDF, plastics, PCB boards, PVC, plexiglass, and soft metals such as aluminum or brass. For soft metals, correct feed rate, tool selection, cooling, and VFD settings are important.

2. Does this ER20 2.2KW water cooled spindle motor need a VFD?

Yes. This spindle should be used with a compatible 400Hz VFD. The VFD controls spindle speed, start/stop behavior, and stable operation across the 10000-24000 RPM range.

3. What cooling accessories are required for a water cooled spindle motor?

A water pump, water tube, water tank, or closed-loop chiller is typically required. Stable coolant circulation helps prevent overheating and supports long-duration CNC machining.

4. Can I purchase the 2.2KW CNC Spindle Motor in bulk or as a distributor?

Yes. Zhong Hua Jiang has over 20 years of R&D and manufacturing experience, and we welcome global distributors, resellers, and wholesalers. We offer factory-direct pricing, stable supply, and export support.

5. Do you offer OEM or customization services?

Yes. We provide OEM and ODM services for logo, packaging, voltage specification, collet type, cable configuration, and bearing configuration according to project needs.

6. What is your minimum order quantity (MOQ)?

We are flexible with order quantities. For standard products such as the ER20 80mm 2.2KW Water Cooled CNC Spindle Motor, small trial orders are accepted before bulk purchase. OEM orders can be discussed based on project details.

7. How long is production and delivery time?

For standard kits, typical lead time is 3-7 working days after payment. For large or customized orders, production usually takes 10-20 days, depending on quantity and customization requirements.

8. What warranty do you provide for the 2.2KW Water Cooled CNC Spindle Motor?

All spindle motors, power converters, and accessories are covered by a 12-month warranty. Each product is inspected before shipping, and we provide technical support and replacement for quality-related parts during the warranty period.

9. Do you provide after-sales technical support?

Yes. Zhong Hua Jiang offers lifetime technical support by email, video call, or online chat. Our engineers can assist with installation, VFD parameter setup, cooling system guidance, and troubleshooting.