ER11 0.8KW 65mm 4 Bearings 110V/ 220V Air Cooled CNC Spindle Motor for CNC Router Engraving Machine

ER11 0.8kW 65mm Air-Cooled CNC Spindle Motor

The Zhong Hua Jiang 0.8kW (800W) air-cooled CNC spindle motor is a round, high-speed spindle for CNC routers, engraving equipment, woodworking and light milling applications. It features an ER11 tool-holding interface, a nominal 65 mm body diameter and a published spindle speed range of 10,000–24,000 RPM.

Choose the appropriate 110V or 220V motor version and pair it with a correctly configured 400 Hz variable frequency drive (VFD). The motor uses air cooling, so there is no separate cooling-water circuit to install. Buyers should verify the mounting clamp, VFD output specifications, collet size and machine clearance before ordering.

At a glance: 0.8kW power · ER11 collet system · 65 mm round housing · 400 Hz VFD requirement · air-cooled design · CNC engraving and light routing.

Request a Quote for the 0.8kW Spindle

0.8kW Air-Cooled Spindle Motor Key Specifications

The table below summarizes the published details of this spindle model. Confirm the selected voltage version, VFD parameters and final unit weight on the order specification.

CNC Spindle Motor Video

The following video is part of the original product media. For a demonstration of the exact ER11 0.8kW configuration, request model-specific operating footage.

Zhong Hua Jiang Product Catalogue (PDF)

Review the broader range of CNC spindle motors and CNC router equipment in the downloadable Zhong Hua Jiang catalogue. Confirm current model specifications with our team before purchase.

Download Zhong Hua Jiang Catalogue 2025 (PDF)

0.8kW Air-Cooled CNC Spindle Motor Technical Specifications

Check both electrical and mechanical data when replacing a CNC spindle: the VFD must match the selected motor voltage and current requirements, while the mounting hardware must suit the cylindrical housing and available Z-axis travel.

Electrical Matching and Installation

Use a suitable 400 Hz VFD programmed for the exact motor and local power-supply arrangement. The 110V and 220V references identify available spindle versions; they do not mean the spindle can be wired directly to either mains supply. Connections, grounding, motor current and VFD parameters should be checked by qualified personnel.

The original packaging description lists one round 0.8kW spindle and one pre-soldered aviation cable. A VFD, collet set and mounting clamp are not identified as standard package contents in the supplied list. Ask for a written packing confirmation when requesting a quote.

Check 110V/220V Spindle and VFD Compatibility

CNC Router Applications and Workpiece Materials

This spindle can support routing, engraving and light milling within the limits of the host machine, cutting tool and workholding setup. Depth of cut, feed rate, spindle speed and tool diameter must be selected for each material.

Wood and MDF Engraving

Suitable applications include lettering, decorative patterns, small signage, woodworking details and CNC craft components. Plan appropriate dust extraction and secure the workpiece before machining.

Acrylic, PVC and Plastic Machining

Used for engraving acrylic signage, plastic panels, display components, patterns and light profile cutting. Use suitable cutters and machining settings to reduce heat buildup and edge melting.

PCB and Light Soft-Metal Work

PCB isolation work and controlled, light engraving in aluminum or brass may be possible with a rigid machine and appropriate tooling. This compact spindle is not represented as a heavy-duty steel-cutting solution. Machining results depend on the complete CNC setup.

Key Features of the ER11 0.8kW Air-Cooled Spindle

ER11 Collet Tool-Holding System

The ER11 collet interface supports a range of cutter shank sizes when fitted with the correctly sized ER11 collet. Match collet bore to the actual cutter shank; do not assume every collet size is included with the spindle.

10,000–24,000 RPM Operating Range

The published product specification lists 10,000–24,000 RPM. Actual permissible operating speed and torque depend on the motor configuration and VFD settings. Do not use another kit listing’s wider speed range as the operating specification for this motor without written confirmation.

Compact 65 mm Air-Cooled Housing

The round 65 mm housing is intended for appropriately sized CNC spindle mounts. The product information also cites a housing length of approximately 244 mm. Check clamp fit, overall clearance and airflow before installing or replacing a spindle.

Four-Bearing Construction and Runout

The product information describes a four-bearing design and a runout claim of less than 0.005 mm. For precision purchasing, request the inspection method and report, including the measurement position, test conditions and applicable tolerance for the selected motor.

Air Cooling Without a Water Circuit

Integrated air cooling simplifies installation where a cooling tank, pump and hoses are undesirable. Keep air inlets and outlets clear, and assess noise, ambient temperature and duty cycle for the application.

Design and Performance Details

Dynamic Balancing and Vibration Control

The spindle is presented with a dynamically balanced rotating assembly intended to support smoother high-speed operation. Final vibration and machining finish also depend on tool balance, holder condition, mount rigidity and the host machine.

Bearing Assembly and Service Considerations

The original product information describes four upgraded steel bearings and copper winding construction. Proper speed setting, ventilation and spindle loading are important to service life; operating lifetime varies with conditions and maintenance.

For process validation, buyers can request detailed bearing and inspection information rather than relying on a fixed service-life prediction.

Zhong Hua Jiang Spindle	Illustrative Comparison
Published runout reference: less than 0.005 mm (request inspection data)	Illustrative reference shown in the original comparison: 0.05 mm (not a universal competitor specification)

Runout comparisons are illustrative. Ask for model-specific measurement conditions and test results before assessing precision differences.

Concentricity and Tool Setup

Spindle runout, ER11 collet condition, cutter shank accuracy and tool installation all affect engraving quality. Use clean, correctly sized collets and verify assembled tool runout before demanding work.

Pre-Soldered Aviation Connector

The listed motor package includes a pre-soldered aviation wire for installation. Connector and cable details should be checked against the selected VFD and the machine electrical layout before energizing the spindle.

Discuss Motor Dimensions and Runout Requirements

Standard 0.8kW Air-Cooled Spindle Package

The supplied packing table lists the motor and pre-soldered aviation cable. Other components such as a VFD, 65 mm mount, collets and cutters should be specified separately unless included in the written quotation.

For distributors and machine builders, please provide the target machine model, required spindle voltage, collet bore, annual purchase estimate and destination market so the supplied configuration can be checked.

Request the 0.8kW Spindle Packing List

Related Air-Cooled Spindle Motors and Kits

A wider range of air-cooled spindle models is available for different machine sizes, tool-holding requirements and workloads. Compare spindle power, mounting size, collet type, cooling design and required VFD before changing equipment.

1.5kW ER11 Round Air-Cooled Spindle

2.2kW ER20 Round Air-Cooled Spindle

3kW ER20 Round Air-Cooled Spindle

1.5kW Square Air-Cooled Spindle

2.2kW Square Air-Cooled Spindle

3kW Square Air-Cooled Spindle

4kW ER25 Square Air-Cooled Spindle

5kW ER32 Square Air-Cooled Spindle

6kW ER32 Square Air-Cooled Spindle

7.5kW ER32 Square Air-Cooled Spindle

Round Air-Cooled Spindle Kits

Square Air-Cooled Spindle Kits

Zhong Hua Jiang Spindle Motor Manufacturer

Huajiang describes its origins in CNC engraving spindle motor manufacturing in 2000, followed by expansion into variable frequency drives and engraving machines. The Zhong Hua Jiang brand was established in 2018.

Manufacturing Background

Zhong Hua Jiang supplies CNC spindle motors and related CNC equipment. Company materials refer to an air-cooled spindle motor patent, No. 200730184245.5. Patent ownership or company-level documents should not be interpreted as a certification of every product variant.

Product sourcing teams can request the applicable motor drawing, quality records, voltage-specific data, packaging confirmation and export documentation for their intended destination.

Why Purchase CNC Spindles from Zhong Hua Jiang?

Zhong Hua Jiang offers spindle products to equipment manufacturers, distributors, workshops and professional users. Buyers can discuss model selection, mounting dimensions, electrical matching and the documentation required for their application.

Product Quality Review Discuss inspection criteria, runout checks and application requirements.	Patent and Company Documentation Request documentation relevant to the ordered model; coverage and scope vary.	Product Selection Compare spindle configurations across the available range.
Factory-Side Inquiry Request a quotation for the specified motor version and order quantity.	Technical Communication Discuss compatibility, VFD parameters and installation questions.	Shipping Coordination Confirm production and delivery details against the quotation.

Request Distributor or OEM Pricing

Other CNC Equipment and Components

CNC router machines: compact 3018/3020 models and larger-format CNC routers for different workspace requirements.

Air-cooled and water-cooled spindle motors: select according to power, toolholding, frame size, service environment and cooling preference.

Spindle drives and accessories: compatible VFDs, collets, clamps and spindle connection components should be checked against the selected system.

Motors and electrical cables: relevant motor and cable options are available in the wider Zhong Hua Jiang range, subject to model specifications.

Certificates and Product Documentation

The image below is retained from the original company product page. If a specific certification or test report is required for procurement, confirm the document issuer, valid scope and applicability to the exact 0.8kW spindle variant.

Customer Feedback and Application References

The customer-feedback image is retained from the original page. For a production purchase, request application-specific references or operating demonstrations relevant to the motor and host machine you plan to use.

ER11 0.8kW Air-Cooled CNC Spindle Motor FAQ

What is the rated power of the Zhong Hua Jiang ER11 0.8kW spindle?

This model is presented as a 0.8kW (800W) round air-cooled CNC spindle motor for engraving, routing and light milling. Its rated specifications must be matched to a suitable VFD and the host CNC machine.

What is the spindle speed range and rated frequency?

The main specification tables list 10,000–24,000 RPM and a 400 Hz VFD requirement. Confirm VFD settings and permissible operating limits for the exact motor before commissioning.

Is the 0.8kW CNC spindle available in 110V and 220V versions?

Yes. The published listing identifies 110V and 220V options. Choose the correct motor version and matching VFD output; do not connect the spindle directly to mains power.

Does the 0.8kW air-cooled spindle motor include a VFD?

The original package list identifies one motor and one pre-soldered aviation wire, but does not list a VFD as included. The motor requires a compatible 400 Hz VFD. Ask for a quotation if you also require the inverter.

What is the motor body diameter and approximate size?

The product identifies a round 65 mm spindle housing, and its feature description cites approximately 65 mm diameter by 244 mm length. Check the latest mechanical drawing and machine clearance before ordering.

Which collets and cutter shanks can the ER11 spindle use?

This spindle uses the ER11 collet interface. The actual supported cutter shank size depends on the fitted ER11 collet; select a collet that matches the tool shank, and confirm which collets are supplied.

Can the 0.8kW spindle engrave wood, MDF, acrylic and PVC?

These are among the application materials described for the spindle. Feasible cutting operations depend on tooling, chip removal, spindle speed, feed rate, machine rigidity and workpiece holding.

Can this 800W CNC spindle machine aluminum and brass?

Light engraving or shallow machining in suitable soft-metal grades may be possible with correctly chosen cutters and rigid CNC equipment. It is not intended to imply heavy-duty metal removal or steel milling capability.

Is the spindle suitable for PCB milling and engraving?

It can be considered for PCB-related engraving where a rigid CNC machine, suitable cutting tool and controlled depth are used. Evaluate runout, fixturing and spindle speed for the required trace resolution.

How does an air-cooled CNC spindle compare with a water-cooled spindle?

An air-cooled spindle does not need a separate water pump, tank and hoses. A water-cooled option uses a cooling loop and may be preferable for some noise, operating or installation requirements. Match the cooling method to the application.

Can the ER11 0.8kW spindle work with GRBL or Mach3 controllers?

Compatibility is determined by the CNC controller-to-VFD speed-control and switching connections, not by the spindle motor alone. Confirm that the selected VFD accepts the control signals available from the GRBL- or Mach3-based system.

What is the specified spindle runout?

The original product text cites a value of less than 0.005 mm. Actual acceptance should be based on the measurement location, conditions and test report for the ordered spindle rather than an unconditional system-accuracy claim.

What is included in the standard motor package?

The supplied package table lists one 0.8kW round air-cooled spindle motor and one pre-soldered aviation wire. It notes that a suitable 400 Hz VFD is required. Confirm any additional components before payment.

How can I confirm the spindle weight before shipment?

The detailed product information references approximately 2.4 kg, while the website product listing displays 2.7 kg. Ask for the net weight and packing weight of the exact supplied version when planning logistics.

Can distributors or OEM machine builders request volume quotations?

Yes. Submit the voltage requirement, requested quantity, destination market, machine application and any mounting or packaging requirements. The sales team can confirm the available configuration and commercial terms.

What is the minimum order quantity for this spindle model?

The original sales information describes flexibility for smaller trial orders and bulk purchasing, without publishing a fixed MOQ. Confirm the current minimum order quantity for the chosen configuration and any customization.

What lead time and warranty information is available?

The original sales guidance cites approximately 3–7 working days for standard orders and 10–20 days for larger or customized orders, subject to confirmation. It also describes a 12-month warranty. Final lead time, coverage and terms should be stated in the written quotation.

Is technical support available for installation and VFD setup?

The product information describes after-sales assistance with installation, parameter setup and troubleshooting. Provide the motor model, VFD model and CNC controller information when requesting technical guidance.

Send an Inquiry for the ER11 0.8kW Spindle