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ER11 65mm 0.8KW Round Air Cooled
110V/220V
10000-24000 RPM
2.6kg
Air cooled
ER11
0.8KW
6.5A
Ф65mm*244mm
The Zhong Hua Jiang ER11 0.8kW Air-Cooled CNC Spindle Motor Kit pairs an 800W round spindle with a 1.5kW variable frequency drive (VFD) and installation accessories. The supplied configuration is intended for CNC routers and engraving equipment that can accommodate the 65 mm spindle body and a compatible inverter.
The kit combines ER11 toolholding, air-cooled operation and adjustable spindle speed for wood engraving, acrylic machining, PCB processing and appropriately controlled light work on softer metals. Tool choice, workpiece conditions and the machine frame determine the practical cutting capacity.
Buyer summary: 0.8kW spindle motor; 65 mm body; ER11 collets; 400 Hz specification; 1.5kW VFD in the listed package; clamp mount, cables, bits and wrenches. Check the ordered VFD input-voltage variant and the required machine mounting dimensions before purchase.
Request a Quote for the 0.8kW VFD Spindle Kit
| Product | ER11 0.8kW air-cooled spindle motor kit |
| Spindle power | 0.8kW / 800W |
| Spindle body diameter | 65 mm (round) |
| Motor dimensions | 65 mm diameter × 244 mm length |
| Listed spindle weight | 2.6 kg |
| Collet system | ER11, listed 1–7 mm collet range |
| Listed speed range | 5,000–24,000 RPM; verify permitted continuous operating range for the supplied model |
| Rated frequency information | 400 Hz; VFD settings must match the motor nameplate |
| Listed spindle runout | Less than 0.005 mm; measurement position and test method should be confirmed |
| Cooling | Air cooled; no water pump or coolant circuit required |
| Included VFD | 1.5kW inverter supplied in the listed package; correct input voltage and settings to be confirmed |
| Typical work materials | Wood, MDF, acrylic, PVC, other plastics, PCB; limited soft-metal machining subject to tooling and machine rigidity |
The 0.8kW value specifies motor power. The 1.5kW value specifies the included VFD capacity, not an increase in spindle output power. Electrical ratings and interface settings should follow the nameplates and documentation supplied with the ordered variant.
Confirm Spindle and VFD Specifications
Watch the supplied product video for a visual introduction to Zhong Hua Jiang CNC spindle equipment. Confirm the exact motor and VFD version in a quotation when comparing kit options.
View the Zhong Hua Jiang CNC equipment catalogue for related spindle motors, VFD models and CNC router equipment.
CNC Router Machine Catalogue 2025 (PDF)
For CNC workshops, resellers and equipment integrators, a combined spindle-and-VFD package can simplify component sourcing. The kit groups the specified 65 mm motor with a matching inverter category and commonly needed mounting and wiring parts.
Coordinated components: 800W air-cooled motor and listed 1.5kW VFD supplied together.
ER11 tooling: collet selection for different cutter shank diameters within the stated range.
Air cooling: eliminates a coolant pump, hoses and water tank, while requiring adequate ventilation.
Mounting preparation: supplied 65 mm clamp is intended for a compatible machine mounting arrangement.
Machine-dependent applications: suitable projects and cutting parameters depend on materials, bits, speed settings and CNC machine capability.
Ask About Package Configuration and Pricing
The following package contents and quantities describe the advertised kit configuration. For purchasing orders, confirm the VFD voltage, accessory specifications and packaging details with Zhong Hua Jiang.
| 1× | 65 mm 0.8kW round air-cooled CNC spindle motor |
| 1× | 1.5kW VFD inverter |
| 1× | 65 mm spindle clamp mount |
| 13× | ER11 collets covering the listed 1–7 mm range |
| 10× | Drill/engraving bits, listed 0.8–3 mm with 1/8-inch shanks |
| 1× | Aviation wire |
| 1× | Power wire |
| 2× | Wrenches |
| Spindle motor dimensions: 65 mm diameter × 244 mm length | |
| Listed spindle weight: 2.6 kg | |
The kit contains a VFD, but it is not a preassembled CNC machine. Installation requires correct electrical connections, earthing, motor parameter configuration and mounting. Qualified personnel should verify the wiring and safety arrangements before operation.
For lettering, decorative panels, signage and small-format woodworking, match cutter geometry, spindle speed, depth of cut and workholding to the wood species and router structure. The images below illustrate representative wood engraving applications.
The spindle can be considered for acrylic signs, plastic panels, fixtures and other light machining when the cutting tool and feed conditions are suitable. Plastic machining needs attention to chip evacuation and heat buildup.
For PCB isolation milling and occasional aluminum or brass engraving, verify spindle rigidity, tool diameter, collet fit and the machine axis structure. Conservative feeds and shallow passes are often important for smaller CNC machines.
The included 1.5kW VFD provides motor frequency control. Users should configure the inverter according to the 0.8kW motor nameplate, especially its operating voltage, current, frequency and permitted speed range. The VFD control interface must be checked before connecting a CNC controller.
ER11 collets are used for smaller engraving and milling cutters. Choose the correct individual collet for each cutter shank; verify the actual supplied collet sizes and compatible tool dimensions before purchase.
This motor uses air cooling, avoiding the external pump and coolant plumbing required by water-cooled spindle designs. Keep the cooling air path unobstructed and use suitable dust control around woodworking and plastic chips.
The spindle is listed with a 65 mm outside diameter and a matching clamp. Before upgrading an existing CNC router, check Z-axis load capacity, clamp clearance, bracket fastening and the spindle body length of 244 mm.
The listing includes an aviation cable and a power cable. VFD-to-spindle wiring and protective earthing must be made according to the applicable manuals. GRBL or other CNC-controller integration depends on the actual control signals available on both the controller and VFD.
The published product information states a spindle runout below 0.005 mm and refers to a four-bearing construction. For inspection-sensitive procurement, request measurement conditions, spindle test records and the confirmed bearing configuration for the specific unit supplied.
Request Electrical Drawings and Technical Details
Spindle balance and machine mounting affect vibration, noise, cutting finish and bearing loads. Proper tool clamping and appropriate VFD parameters are important for consistent operation.
The published description references four steel bearings and a copper motor winding. Operating life is affected by duty cycle, dust, heat, tool balance and loading; buyers should obtain maintenance instructions and confirm the exact bearing specification for the ordered model.
| Zhong Hua Jiang spindle motor | Illustrative comparison spindle |
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| Published runout figure: <0.005 mm; request test method and records | Runout is model-dependent; confirm actual specification rather than assuming an industry-wide value |
Toolholder cleanliness, suitable ER11 collet selection and tightening are essential to minimize runout at the cutting tool. A spindle-only runout figure does not automatically equal cutting-tool tip runout under load.
The product configuration lists an aviation wire and power wire to support installation. The inverter settings must still be checked before powering the spindle; do not assume factory settings are correct for every voltage option or controller installation.
The packaging photos below illustrate the packing format; final accessories, carton arrangement and shipping terms should be confirmed against the approved purchase order.
For distributor or OEM orders, please provide the required voltage, destination market, purchase quantity and preferred component configuration so that the supplier can confirm the appropriate package and quotation.
Get Bulk and Distributor Pricing
Compare kit configurations based on motor output power, body size, ER collet interface, VFD input voltage and mounting requirements.
Huajiang was founded in 2000 with CNC engraving spindle motor production and subsequently expanded into variable frequency drives and engraving machines. The Zhong Hua Jiang brand was established in 2018.
The company describes a manufacturing history beginning in 2000 and a product range covering air-cooled spindle motors, VFDs and CNC equipment. Its published company introduction references an air-cooled spindle series patent numbered 200730184245.5.
Buyers selecting a spindle motor supplier should review configuration consistency, dimensional drawings, VFD compatibility, inspection information, after-sales arrangements and commercial terms. Zhong Hua Jiang offers spindle equipment for end users, distributors and professional machine builders.
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| Quality Assurance Product quality checks and technical specifications | Patents and Certifications Company patents and supporting documents, where applicable | Brand Experience CNC spindle and related equipment product range |
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| Pricing and Quotations Request order-specific pricing and quantity terms | Technical Support Discuss installation details, motor and VFD configuration | Delivery Planning Confirm lead time, packing and shipping options per order |
Discuss specific drawings, technical documentation and procurement needs with the supplier to identify a suitable spindle motor and VFD package.
Equipment including the 3018, 3020, 3040 and 6090 series for different engraving and routing requirements.
Spindle solutions with different power ratings, cooling methods, body designs and collet interfaces.
Accessories such as limit switches, probes and emergency stop components for suitable CNC configurations.
Cable options for motor power, wiring and machine installations.
Stepper motor products for CNC positioning and other motion systems.
For compliance-sensitive purchasing, request certificates that identify the correct model, applicable standard and issuing organization.
Review the customer feedback illustration and contact the team for the current product configuration and commercial information.
Check machine mounting: confirm 65 mm clamp installation, Z-axis clearance and capacity for the listed spindle weight.
Confirm electrical variant: ask for the actual VFD input voltage and the motor nameplate information; 110V and 220V versions are not automatically interchangeable.
Confirm VFD settings: motor voltage, rated current, rated frequency, maximum frequency, acceleration and stopping arrangements must match the motor and operating conditions.
Check cutter compatibility: ER11 tools require the correct matching collet; do not rely on a nominal 1–7 mm range as one universal collet size.
Review the complete package: 1.5kW VFD, clamp, ER11 collets, 10 bits, wiring and wrenches are listed; verify the final items and specifications before ordering.
Select machining parameters: spindle speed, feed, cut depth and workholding must suit the cutter and material, particularly for PCB machining and light metals.
Get Installation and Compatibility Advice
The listed configuration includes one 0.8kW round air-cooled motor, one 1.5kW VFD, one 65 mm clamp, 13 ER11 collets, 10 engraving or drilling bits, aviation and power wires, and two wrenches. Confirm the final packing list when requesting a quotation.
This kit listing includes a 1.5kW VFD inverter. The related standalone 0.8kW spindle motor listing is a separate product. The included VFD rating does not change the 800W motor power.
The inverter capacity and motor rated output are different specifications. A 1.5kW VFD may drive a smaller rated motor when the required voltage, frequency, current and control parameters are correctly matched and approved by the equipment supplier.
Compatibility is not guaranteed by machine series name alone. Check that the machine can accommodate a 65 mm spindle clamp, the spindle weight and length, and the electrical and control integration required by the VFD.
The kit specification table lists 5,000–24,000 RPM and 400 Hz. Confirm the operating range for the exact motor model and observe any minimum-speed cooling or continuous-duty limits provided by the manufacturer.
No external water pump or coolant circuit is required for the spindle cooling method. The motor still requires unobstructed airflow and appropriate dust management.
The kit lists an ER11 collet assortment covering 1–7 mm and 10 bits with 1/8-inch shanks. Each tool must be fitted with an individual collet matching its shank diameter.
Light engraving or milling of certain softer metals may be possible with suitable tools, conservative cut parameters and a rigid CNC machine. The listing is not a promise of heavy-duty metal cutting capability.
The listed applications include wood, MDF, acrylic, PVC, plastics and PCB machining. Results depend on tooling, feed rates, spindle settings, material condition, machine structure and dust or chip extraction.
The kit specifies a 65 mm round body, 244 mm motor length and a listed spindle weight of 2.6 kg. Check the dimensional drawing and mounting position before upgrading your CNC machine.
The product listing states less than 0.005 mm. For precision purchasing, ask where runout is measured, the test setup and whether inspection results apply to the exact model being supplied.
Possible integration depends on the specific VFD control terminals, supported speed signals, electrical isolation and controller outputs. Confirm the control interface and wiring method before installation.
The product description references 110V and 220V options. Confirm the ordered inverter input-voltage model and local electrical supply rather than assuming one unit accepts both supply voltages.
The product description refers to a four-bearing design. Buyers who require a specific bearing specification should confirm the model drawing or technical data for the supplied configuration.
This kit lists a VFD prepared for operation, but settings must be checked against the spindle nameplate and installation requirements before starting. Proper mounting, earthing and wiring remain necessary.
Distributors, wholesalers and machine integrators can request quotations for their quantities and destination markets. Provide the preferred voltage, configuration and shipping requirements so the offer can specify the applicable terms.
The company describes OEM and customization services. Submit requested branding, configuration and technical requirements to confirm feasibility, minimum quantity and commercial terms.
Zhong Hua Jiang lists typical lead times of 3–7 working days after payment for standard kits and 10–20 days for larger or customized orders, along with a 12-month warranty and technical assistance. Confirm the current terms, coverage and shipping schedule in the order-specific quotation.
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