1.5 kW Square ER16 Air-Cooled Spindle Motor

ER16 1.5kW Square Air-Cooled CNC Spindle Motor

The Zhong Hua Jiang ER16 1.5kW square air-cooled CNC spindle motor is designed for engraving, routing and suitable light milling applications. It is an independent spindle motor for machine builders, CNC workshops, distributors and OEM equipment purchasers. Compatible 400Hz VFD control is required; a VFD is not included in the standard motor-only package.

At a glance: 1.5kW rated power, 10,000–24,000 RPM, 400Hz operating frequency, 8A listed current, ER16 collet interface, 242 × 90 × 105mm body dimensions and 4.3kg weight. Choose the 110V or 220V motor version that matches your drive and installation requirements.

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Video: 1.5kW Square ER16 Air-Cooled Spindle Motor

Zhong Hua Jiang CNC Product Catalogue PDF

    CNC Router Machine Catalogue 2025.pdf  

ER16 1.5kW Square Air-Cooled Spindle Motor for Sale

This square-body 1.5kW ER16 CNC spindle motor is a component for engraving, profiling, routing and suitable light milling operations. The ER16 interface supports interchangeable collets to suit properly matched tool shanks; confirm collet size, tool capacity and machining requirements before use.

Air cooling eliminates the need for a separate water tank and pump. The square housing is intended for compatible CNC machine mounting arrangements, while the pre-soldered aviation cable described in the packing information can simplify part of the installation process.

Zhong Hua Jiang supplies CNC spindle motors for workshops, machine manufacturers, distributors and OEM customers. Buyers can request the motor alone, discuss compatible VFD options and confirm packing, voltage, inspection requirements and order terms.

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1.5kW ER16 Square Spindle Motor Specifications

Before purchasing, check the specific motor nameplate, dimensioned mounting drawing and compatible VFD ratings. Exact voltage configuration and mounting clearances are particularly important when replacing an existing spindle.

Motor Electrical and Installation Details

A pre-soldered aviation cable and two wrenches are listed in the motor specifications. Please confirm the accessories supplied with your order; the standard motor-only package does not identify an included VFD.

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CNC Routing, Engraving and Light Milling Applications

Woodworking, MDF and Wood Engraving

Suitable operations include decorative engraving, profiling, sign making and appropriate routing of wood-based workpieces. Match feed rates, cutter diameter and spindle speed to the material and machine stiffness.

Acrylic, PVC and Engineering Plastics

For acrylic and selected plastics, cutter geometry, chip evacuation and heat management are essential to minimize melting and edge defects. The machine controller and VFD determine how the commanded spindle speed is applied.

Aluminum, Brass and Other Soft-Metal Tasks

The spindle may be used for suitable light machining of nonferrous metals when the CNC frame, workholding, cutting tool, feed rate and cooling or lubrication approach are appropriate. Material examples do not imply suitability for heavy industrial metal cutting.

  Discuss Your CNC Material and Tool Requirements  

Key Features of the ER16 Square Air-Cooled Spindle

ER16 Tool-Holding Interface

An ER16 collet system allows the operator to select collets suited to the cutter shank. Inspect the collet, nut and tool engagement before operation, and use accessories intended for the specific spindle.

1.5kW Power for CNC Engraving and Routing

The rated output is 1.5kW. Cutting capability depends on spindle torque characteristics, cutter diameter, material, feed rates and machine rigidity, not only rated power.

400Hz VFD Speed Control

The motor is specified for 400Hz operation with a compatible VFD. It is not a direct-to-mains fixed-speed motor. Match motor voltage and current settings and configure the drive before use.

110V and 220V Configuration Options

The 110V and 220V versions require correctly matched motor and VFD ratings. Confirm the local mains supply, VFD input/output voltage and wiring arrangement; a single motor should not be assumed to accept both voltage configurations.

Air-Cooled Operation

The air-cooled housing avoids a water circulation system. Allow sufficient airflow around the motor, avoid obstructing vents and maintain a clean workshop environment.

Four-Bearing Construction

The four-bearing spindle construction is designed for CNC machining use. Bearing life depends on correct installation, operating speed, tool loads, temperature management and routine maintenance.

Square Housing for Equipment Integration

The square profile includes mounting provisions for CNC frames. Check the 242 × 90 × 105mm overall dimensions, fixing-hole pattern and cable clearance against your equipment drawing before installation.

Controller Integration Through the VFD

GRBL-based or other CNC controllers may be integrated with a compatible VFD when the required control signals, interfaces and parameter settings are supported. Confirm electrical compatibility before wiring.

When comparing spindle motors, confirm the required collet system, tool shank diameters, drive output ratings, rated frequency, cooling airflow and intended cutting duty. A matching VFD and a correctly sized CNC machine are as important as the motor's stated power rating.

A square ER16 spindle differs from a round ER11 or ER16 spindle in its mounting arrangement and collet interface. This motor uses a square housing with mounting points, rather than a cylindrical body intended for a 65mm or 80mm clamp. Check the mounting-hole drawing and available Z-axis travel before replacement or OEM integration.

Choosing a Square ER16 Spindle Motor for Your CNC Router

Benefits of the Square Air-Cooled Spindle Motor

Dynamic Balance and High-Speed Operation

Dynamic balancing helps control vibration during high-speed spindle operation. Machining quality also depends on cutter balance, workholding, bearings, feed rates and the rigidity of the CNC frame.

Bearing Construction and Service Life

The spindle uses a four-bearing construction and copper motor winding design. Service life depends on ventilation, cutter loading, correct VFD settings and working conditions rather than bearing count alone.

Spindle Runout and Concentricity

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

The comparison data shows runout below 0.005mm, while other product information gives a figure below 0.01mm. For precision-sensitive applications, agree on a runout acceptance limit, measurement position and test method, and request inspection information for the supplied motor.

Pre-Soldered Aviation Cable and Mounting

The pre-soldered aviation cable helps connect the spindle to a correctly rated drive system. The square housing incorporates side mounting points; check the fixing-hole dimensions and wiring arrangement before modifying an existing CNC machine.

  Request Technical Drawings and Inspection Details  

ER16 Square Air-Cooled Spindle Motor Packing List

This motor-only configuration comprises the ER16 1.5kW square air-cooled spindle motor and a pre-soldered aviation cable. A compatible 400Hz VFD must be selected separately, unless the order is specifically quoted as a complete kit.

Two wrenches are also mentioned in the technical specification table. Please confirm the final accessory list, aviation cable configuration and any additional components in the itemized quotation.

A compatible VFD is needed to operate the motor. If you require the motor, inverter, collets, cutting tools and cables as a combined supply, ask Zhong Hua Jiang for a separately specified kit quotation.

   

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Related CNC Air-Cooled Spindle Motors

Compare ER11, ER16, ER20, ER25 and ER32 spindle options by rated power, motor housing, collet interface, electrical configuration and intended machining duty. The product cards link to other models in the Zhong Hua Jiang range.

     

    ER11 0.8KW Air Cooled Spindle Motor    

     

    ER11 1.5KW Air Cooled Spindle Motor    

     

    ER20 2.2KW Air Cooled Spindle Motor    

     

    ER20 3KW Air Cooled Spindle Motor    

     

    ER20 2.2KW Air Cooled Spindle Motor    

     

    ER20 3KW Air Cooled Spindle Motor    

     

    ER25 4KW Air Cooled Spindle Motor    

     

    ER32 5KW Air Cooled Spindle Motor    

     

    ER32 6KW Air Cooled Spindle Motor    

     

    ER32 7.5KW Air Cooled Spindle Motor    

Round Air Cooled Spindle Motor Kits

Square Air Cooled Spindle Motor Kits

Zhong Hua Jiang CNC Spindle Motor Manufacturer

Spindle Manufacturing and Brand Development

Huajiang states that it began producing CNC engraving spindle motors in 2000 and later expanded its range to variable frequency drives and engraving machines. The Zhong Hua Jiang brand was introduced in 2018 for international markets.

The manufacturer lists patent number 200730184245.5 in connection with its air-cooled spindle motor range. Buyers requiring current patent documentation or market-specific supporting records can request the relevant materials from the company.

Zhong Hua Jiang supplies spindle motors and CNC equipment for customers in global markets, including the United States and Germany. Product matching, technical drawings and proposed order configuration can be discussed directly with its team.

Why Source CNC Spindle Motors from 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 High 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

Buyers can discuss factory-direct quotations, product variants, inspection documentation and order packaging. Please confirm the exact commercial terms, certification scope and delivery schedule for your destination market before placing an order.

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Other CNC Products and Components

CNC Router Machines

CNC engraving and routing machines, including the 3018, 3020, 3040 and 6090 product families, for different working areas and machining requirements.

Air-Cooled and Water-Cooled Spindle Motors

Spindle motors across multiple power ratings, housing styles and collet interfaces for matching to a specific CNC machine.

CNC Accessories

Machine accessories including limit switches, Z probes and emergency-stop components for compatible control systems.

Electrical Cables

Shielded wiring and cable options for suitable CNC wiring and motion-control installations.

Stepper Motors

Stepper motors and related components for CNC motion axes and controlled mechanical positioning.

Product Certificates and Supporting Documents

Certificates and supporting documents are available for review on request. Confirm the certificate holder, applicable model, referenced standard and document validity for your procurement or regulatory requirements.

Customer Feedback on CNC Spindle Products

Customer feedback is shown for the Zhong Hua Jiang spindle motor range. For your application, confirm tooling requirements, mounting compatibility and relevant inspection criteria when selecting a square ER16 motor.

FAQ: ER16 1.5kW Square Air-Cooled Spindle Motor

1. What is the Zhong Hua Jiang ER16 1.5kW square spindle motor used for?

It is an air-cooled CNC spindle intended for compatible engraving, routing, profiling and suitable light milling machines. Material performance depends on tooling, machine stiffness, feed settings and workholding.

2. Is this ER16 spindle a standalone motor or a VFD kit?

This is a motor-only configuration. The packing list identifies one square ER16 spindle and one pre-soldered aviation cable. A compatible 400Hz VFD is required separately unless your quotation explicitly includes one.

3. What are the rated power and operating speed?

This ER16 motor is rated at 1.5kW with a stated operating range of 10,000–24,000 RPM and a 400Hz frequency requirement. Speed is controlled by a correctly rated and configured VFD.

4. What are the motor dimensions and weight?

The manufacturer’s product specifications list 242 × 90 × 105mm and 4.3kg for the square ER16 spindle. Request a dimensioned mounting drawing when clearances and fixing points must match an existing CNC machine.

5. What is the difference between ER16 and ER11 spindle collets?

ER16 and ER11 are different collet interfaces. ER16 supports a different range of compatible collets and tool shanks; they are not directly interchangeable. Select collets and a nut specifically matched to the ER16 spindle.

6. Does the ER16 motor include an inverter or VFD?

No VFD is listed in the standalone motor packing information. A 400Hz VFD with ratings compatible with the ordered spindle configuration is necessary for operation. Ask for a separate motor-and-VFD kit if needed.

7. Can I select a 110V or 220V version?

The manufacturer lists 110V and 220V configurations. Confirm the required motor version, VFD input supply, inverter output voltage and motor nameplate data when ordering; the two options are not an unconditional dual-voltage guarantee.

8. Is the stated spindle current 8A?

The specified motor current is 8A. Use the supplied motor nameplate and VFD documentation to set the appropriate operating and protection parameters.

9. Can this spindle connect to a GRBL CNC controller?

It may be integrated using a compatible VFD interface if the CNC controller supplies appropriate signals and settings. Verify start/stop commands, speed control method, grounding and electrical isolation for your setup.

10. Can the motor machine wood, MDF, acrylic and PVC?

These materials are cited applications for CNC engraving and routing. Select suitable cutters, chip removal and feed rates for the material and respect the machine and spindle operating limits.

11. Can the ER16 spindle mill aluminum or brass?

Suitable light-duty machining of nonferrous metals may be possible with adequate machine stiffness, fixturing and tooling. This should not be interpreted as a guarantee for heavy metal removal.

12. How does air cooling compare with water cooling?

Air cooling eliminates the need for a water pump, reservoir and coolant lines. It still requires unobstructed airflow and reasonable thermal loading. Select the cooling system based on machine layout, duty cycle and ambient conditions.

13. What accessories are included in the motor-only package?

The motor-only package lists one ER16 1.5kW square air-cooled spindle motor and one pre-soldered aviation cable. Two wrenches are also mentioned in the technical specifications; confirm their inclusion when ordering.

14. Does this motor require a specific mounting bracket?

The product uses a square housing with described side mounting provisions. Confirm the mounting drawing, hole pattern, clearances and structural rigidity instead of assuming compatibility with a round 65mm or 80mm clamp.

15. What is the motor runout specification?

Product information gives runout figures below 0.005mm and below 0.01mm in different contexts. For precision-critical orders, confirm the acceptance tolerance, measurement location, test method and inspection records.

16. Can I purchase ER16 spindle motors in bulk or for OEM equipment?

Zhong Hua Jiang welcomes inquiries from distributors, CNC equipment manufacturers, wholesalers and OEM buyers. Submit quantity, destination, voltage configuration and technical requirements for a tailored quotation.

17. What is the minimum order quantity?

Small trial orders and volume purchasing can be discussed. Ask for the minimum order quantity applicable to the exact motor version, destination and any OEM customization.

18. What are the expected production and delivery times?

Indicative production and dispatch guidance is 3–7 working days for standard orders and 10–20 days for larger or customized orders. The confirmed schedule depends on the final order configuration and shipping destination.

19. Is there a warranty and technical support?

The stated product terms describe a 12-month warranty and remote technical support. Confirm the written warranty conditions, exclusions and claims process applicable to the ordered motor.

20. What details should I send to obtain an accurate quotation?

Please provide the required quantity, 110V or 220V configuration, VFD requirement, mounting dimensions, intended materials, tool shank sizes, destination country and any inspection or documentation requirements.

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