ER32 125mm 5.5KW 220V/380V CNC Automatic tool changer Water Cooled Spindle Motor for CNC Precision Engraving Machine

 ER32 125mm 5.5KW Water Cooled Spindle Motor Video

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 ER32 125mm 5.5KW Water Cooled Spindle Motor for Sale

The Zhong Hua Jiang ER32 125mm 5.5KW water cooled spindle motor is built for CNC routers, engraving machines, woodworking machines, acrylic cutting equipment, and soft-metal machining applications that require higher torque, stable cooling, and precise tool holding.

This model features ER32 collet connection, 125mm round body diameter, 5.5KW rated power, 220V/380V voltage options, 11A current, 400Hz frequency, 12,000–24,000 RPM speed range, ceramic ball bearings, and approximately 27KG spindle weight.

The water-cooled structure helps control spindle temperature during long machining cycles, reducing heat buildup and supporting stable cutting performance for professional CNC workshops, machine builders, distributors, and OEM projects.

For B2B buyers, this ER32 5.5KW CNC water cooled spindle motor offers a strong balance of power, tool rigidity, high-speed machining capability, and factory-direct supply for machine upgrades, bulk replacement demand, and customized CNC solutions.

 Technical Specifications of ER32 5.5KW Water Cooled Spindle Motor

Key specifications include 5.5KW rated power, ER32 connection, Φ125mm round body, 220V/380V voltage options, 11A current, 400Hz frequency, 12,000–24,000 RPM speed range, water cooling, ceramic ball bearings, approximately 27KG spindle weight, and recommended VFD control for CNC engraving and routing machines.

 Applications & Use Cases for CNC Machining

This ER32 125mm 5.5KW water cooled CNC spindle motor is suitable for high-speed engraving, cutting, milling, and routing applications on wood, acrylic, plastics, PCB materials, PVC, MDF, and soft metals such as aluminum and brass.

Wood CNC Engraving and Cutting

Acrylic CNC Engraving and Cutting

Soft Metals CNC Machining

 Features of ER32 125mm 5.5KW Water Cooled Spindle Motor

The ER32 5.5KW water cooled spindle motor is designed for demanding CNC machining environments where precision, thermal stability, tool rigidity, and long service life are important for continuous production.

VFD Speed Control and Easy Operation

Zhong Hua Jiang ER32 5.5KW Quiet Water Cooled Spindle Motor features an intelligent control system, designed for ease of operation, making it accessible for users of all skill levels.

ER32 High-Precision Collet System

Equipped with an ER32 collet, ensuring secure tool holding, minimal runout, and precise machining for consistent results.

VFD / PLC Speed Control Compatibility

Integrated with program logic controller (PLC) compatibility, allowing easy adjustments for speed (12000-24000 RPM) and other parameters to suit various project needs.

Reliable 220V/380V Electrical Configuration

All electrical components, supporting 220V/380V and 11A current, are branded for stability and reliability, ensuring long-lasting performance.

12,000–24,000 RPM Speed Regulation

Features precise speed control with a range of 12000-24000 RPM, enabling smooth and accurate operation for diverse CNC applications.

Optimized Φ125mm Water-Cooling Design

The solely and specially-designed water-cooling system (Ф125mm*403mm, 27KG) ensures efficient heat dissipation with reduced noise, enhancing durability and performance for extended CNC operations.

 Package of ER32 5.5KW Water Cooled Spindle Motor

Whether you're a hobbyist or a professional CNC workshop, we have the ideal Zhong Hua Jiang water cooled spindle motor solution for you. Our water cooled spindle motors support a wide range of projects, from intricate engravings to heavy-duty cuts, suitable for various skill levels. If the standard configuration doesn't meet your needs, please feel free to contact our professional sales team to customize the perfect water cooled spindle motor solution for your projects.

 Recommended Water Cooled Spindle Motor Models

Besides the Zhong Hua Jiang 5.5KW ER32 water cooled spindle motor, we offer a variety of other water cooled spindle motor models to suit diverse CNC project needs. Our lineup includes the 0.8KW water cooled spindle motor for compact precision tasks, the 1.5KW/2.2KW water cooled spindle motor for high-performance engraving and cutting on wood, acrylic, and soft metals, the 3KW water cooled spindle motor for professional projects, and specialized air-cooled spindle options for enhanced versatility.

ER11 0.8KW Water Cooled Spindle Motor

ER20 2.2KW 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

CNC Spindle Motor Manufacturer

 Why Choose Zhong Hua Jiang

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 and CNC Spindle Motor Manufacturer

Manufacturer Since 2000

 Our CNC Product Range

CNC Router Machines 

Our state-of-the-art Zhong Hua Jiang CNC router machines, including models like the 3018, 3020, 3040, and 6090, guarantee precision, efficiency, and reliability, essential for high-quality engraving and cutting projects.

CNC Spindle Motors 

Power your CNC projects with our advanced spindle motors, including air-cooled and water-cooled options, designed to meet rigorous performance standards for diverse materials.

CNC Accessories 

Enhance your CNC operations with our precision accessories, such as limit switches, Z probes, and emergency stop buttons, perfect for ensuring safety and accuracy.

Electrical Wires 

Ensure reliable and safe connections with our double-shielded cables and shielded chain cables, designed to minimize signal interference and enhance durability.

Stepper Motors 

Drive your CNC machine with our high-performance stepper motors, offering precise control and robust operation for consistent project outcomes.

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 Customer Feedback

 FAQ: ER32 125mm 5.5KW Water Cooled Spindle Motor

What is the ER32 125mm 5.5KW water cooled spindle motor used for?

It is used for CNC routing, engraving, cutting, milling, woodworking, acrylic processing, plastic machining, PCB milling, and soft-metal machining. The higher 5.5KW power output makes it suitable for professional CNC routers and heavier machining tasks than smaller 0.8KW, 1.5KW, or 2.2KW spindle motors.

What are the main specifications of this 5.5KW CNC spindle motor?

The main specifications are 5.5KW power, ER32 connection, Φ125mm round body, 220V/380V voltage options, 11A current, 400Hz frequency, 12,000–24,000 RPM speed range, water cooling, ceramic ball bearings, and approximately 27KG weight.

What VFD should I use with this spindle motor?

Use a compatible 400Hz VFD inverter matched to the spindle power, voltage, current, and input power supply. Correct VFD parameter setting is important for safe startup, stable speed control, overload protection, and long spindle service life.

Why choose a water cooled spindle motor for CNC machining?

Water cooling provides stable temperature control during long cutting cycles. It helps reduce heat buildup, supports consistent bearing performance, lowers operating noise, and improves machining stability compared with poorly cooled spindle setups.

What materials can this ER32 5.5KW spindle machine?

It can process wood, MDF, acrylic, plastics, PVC, PCB materials, plexiglass, aluminum, brass, and other soft metals when matched with suitable tooling, feed rate, spindle speed, cooling, and machine rigidity.

Is this 5.5KW spindle suitable for professional CNC router production?

Yes. The 5.5KW power level, ER32 collet capacity, ceramic ball bearings, water cooling, and 12,000–24,000 RPM speed range make it suitable for CNC workshops, machine builders, replacement spindle supply, and production-oriented router systems.

Can I purchase this ER32 5.5KW water cooled spindle motor in bulk?

Yes. Zhong Hua Jiang supports distributors, wholesalers, OEM machine builders, and B2B buyers with factory-direct supply, export support, and bulk order service.

Do you provide OEM or customized spindle motor service?

Yes. OEM and ODM customization can include logo, packaging, voltage configuration, spindle specifications, collet type, bearing configuration, cable requirements, and related CNC spindle motor solutions based on project demand.

What warranty and after-sales support do you provide?

The spindle motor is supplied with warranty support and technical assistance. Zhong Hua Jiang can help with installation guidance, VFD parameter setup, troubleshooting, and after-sales service for standard buyers and long-term distributors.