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ER11 65mm 1.5KW Round Air Cooled
110V/220V
10000-24000 RPM
2.9kg
Air cooled
ER11
1.5KW
8A
Ф65mm*268mm
The Zhong Hua Jiang ER11 1.5kW 65mm round air-cooled spindle motor kit with VFD provides a matched motor-and-drive solution for CNC routers, engraving equipment and compatible machine upgrades. The package includes the ER11 spindle, a 1.5kW variable frequency drive, a 65mm clamp mount, tool-holding accessories and connection cables.
Published spindle data includes 1.5kW power, a 10,000–24,000 RPM speed range, 8A rated current, Ø65 × 268mm spindle dimensions and approximately 2.9kg spindle weight. The product is offered in 110V and 220V configurations; confirm the exact motor and VFD electrical ratings before ordering.
This package is intended for CNC equipment distributors, workshop buyers, resellers and OEM machine builders sourcing a complete ER11 spindle configuration, rather than a bare replacement motor.
Request a Quotation for This ER11 1.5kW Spindle Kit
Download CNC Router Machine Catalogue 2025 (PDF)
A 65mm round spindle body and included clamp mount allow installation on compatible CNC Z-axis structures after checking the available mounting space, clearance and machine load capacity. The ER11 collet interface holds appropriately sized engraving tools, small end mills and drill bits.
Compared with a spindle-only purchase, the listed kit also contains the variable frequency drive and basic electrical and tool-changing accessories. This is useful when specifying a new CNC router or replacing an existing spindle-and-controller combination.
The integral air-cooling arrangement does not require a water pump, coolant tubing or water reservoir. Keep ventilation openings clear and select cutting parameters suitable for the cutter, material and CNC machine.
Ask for the Complete 1.5kW ER11 VFD Kit Configuration
| Spindle Specification | Published Value | Buyer Information |
|---|---|---|
| Spindle configuration | 65mm round, ER11 | For CNC engraving and routing systems with a compatible spindle clamp. |
| Rated power | 1.5kW | Match the inverter rating and motor nameplate. |
| Spindle speed | 10,000–24,000 RPM | Actual machining speed must suit the tool, material and drive setup. |
| Voltage version | 110V / 220V | Confirm whether the selected package is the 110V or 220V version; do not assume one unit accepts both. |
| Published current | 8A | Verify VFD output current and the specific motor nameplate. |
| Tool holder | ER11 | Kit packing list identifies 13 ER11 collets in the 1–7mm size range. |
| Spindle body diameter | Ø65mm | Use the included Ø65mm clamp or a dimensionally compatible fixture. |
| Spindle body size | Ø65 × 268mm | Measure clearance against machine travel and mounting location. |
| Spindle weight | Approx. 2.9kg | Motor weight only; inverter, mount and other accessories add to shipping weight. |
| Cooling system | Air cooled | Cooling fan and unobstructed airflow are required during operation. |
The product specifications give a spindle weight of approximately 2.9kg. Dimensions and mechanical fit should be checked against the current technical drawing before designing a new CNC machine mounting plate.
The following quantities are reproduced from the product’s original kit table. Confirm the exact ER11 collet increments, VFD input specification and cable lengths on the order quotation.
| 1x | Ø65mm 1.5KW Round Spindle Motor |
| 1x | 1.5KW VFD Inverter |
| 1x | Ø65mm Clamp Mount |
| 13x | Collets ER11(1mm-7mm) |
| 10x | Drill Bits(0.8-3mm, 1/8" Shank) |
| 1x | Aviation wire |
| 1x | Power wire |
| 2x | Wrenches |
| Spindle motor Size: Ø65mm*268mm | |
| Spindle Weight: 2.9kg |
The listed package contains 1 × 1.5kW Ø65mm spindle motor, 1 × 1.5kW VFD, 1 × Ø65mm clamp mount, 13 × ER11 collets (1–7mm), 10 × drill bits (0.8–3mm, 1/8-inch shank), 1 × aviation wire, 1 × power wire and 2 × wrenches. The source table also lists Ø65 × 268mm motor dimensions and a 2.9kg spindle weight.
Confirm Included Accessories and VFD Input Voltage
The ER11 spindle kit is used for CNC engraving and routing operations with suitable tool diameters and cutting parameters. The examples below show representative workpiece materials rather than a guarantee of cutting depth or cycle time.
Suitable for detailed wood engraving, MDF machining, lettering and decorative routing when tool geometry, dust collection, feed rate and spindle speed are correctly selected.
Acrylic and selected plastics can be machined with sharp cutters, correct workholding and settings chosen to manage chip evacuation and heat generation.
Light milling of aluminum and brass may be possible when the CNC router is sufficiently rigid and the selected tooling, lubrication method and process settings are appropriate. Confirm the allowable cutting load for the machine and spindle before production use.
The ER11 collet interface provides a compact tool-holding arrangement for engraving bits and small-diameter milling cutters. The original packing table specifies 13 ER11 collets covering 1–7mm; select each collet by the tool shank diameter, not by cutter diameter alone.
The included VFD provides variable-frequency motor operation after the correct motor parameters are configured. Set the inverter according to the motor nameplate, VFD documentation and intended machine-control method; do not connect a high-frequency spindle directly to a conventional AC mains supply.
The product lists 110V and 220V versions and 8A spindle current. Specify the correct supply, motor rating and inverter input/output configuration for the installation location. The two voltage options do not imply that every supplied VFD has universal input.
Some CNC motion controllers, including certain GRBL-based systems, can provide spindle-speed or start/stop control through a suitably configured VFD interface. Compatibility depends on the controller’s available outputs, the inverter input type and correct wiring; check both manuals before integration.
Built-in air cooling avoids the need for a separate pump, radiator or water tank. Maintain airflow around the spindle and prevent dust accumulation in its cooling path.
The product description identifies four upgraded steel bearings and a copper-winding design. The bearing configuration and operating service life should be assessed in relation to load, cooling, working environment and maintenance rather than an unconditional lifespan guarantee.
Request Detailed Motor and VFD Specifications
The motor design incorporates dynamic-balancing features intended to limit vibration during high-speed routing. Actual performance depends on the selected cutting tool, proper collet installation, spindle mounting, tool condition and speed.
The original product literature identifies a four-bearing structure, and gives an illustrative operating-life example based on eight hours of use per day. Actual service life varies with cutting load, cooling, contamination, maintenance and operating conditions; ask the supplier for application-specific guidance.
The supplier’s comparative illustration quotes runout below 0.005mm for its illustrated spindle, compared with a 0.05mm reference figure. These are promotional comparison values, not a measurement report for every delivered unit. Buyers requiring a strict tolerance should request test conditions and batch-specific inspection evidence.
| Illustrated Zhong Hua Jiang Spindle | Illustrated Comparison Spindle |
|---|---|
 |  |
| Source comparison: runout below 0.005mm | Source comparison: runout 0.05mm |
The kit includes a Ø65mm clamp and wiring accessories. Mount the spindle securely, provide adequate ventilation, ground the installation correctly and configure the VFD before enabling spindle rotation. Electrical installation should be performed by competent personnel.
The supplier’s original material describes the inverter as pre-programmed. Regardless of initial settings, verify motor nameplate values, maximum speed, rotation direction, acceleration and deceleration parameters before the first machining operation.
Ask for Installation Guidance and Runout Test Details
Spindle, VFD and accessory configurations should be checked against the written packing list. For reseller and OEM orders, provide the target market, local electrical supply, machine model and expected quantity to discuss packaging and documentation.
A packaging photograph is illustrative and does not replace a confirmed list of included parts. Buyers should also confirm the motor-only weight versus the complete kit shipping weight.
Request Distributor Pricing or OEM Kit Packaging
Compare collet sizes, spindle housing shape, power rating and compatible VFD specifications when selecting the right machine configuration. An ER11 65mm round spindle is not mechanically interchangeable with every ER16, ER20 or square-body model.
ER11 0.5kW Round Kit
ER11 0.8kW Round Kit
ER16 1.5kW Round Kit
ER20 2.2kW Round Kit
ER20 3kW Round Kit
ER11 1.5kW Square Kit
ER16 1.5kW Square Kit
ER20 2.2kW Square Kit
ER20 3kW Square Kit
ER25 4kW Square Kit
Huajiang states that its CNC engraving spindle motor production began in 2000, with later expansion into variable frequency drives and CNC engraving machinery. The Zhong Hua Jiang brand was established in 2018 for international market development.
The manufacturer identifies air-cooled spindle patent number 200730184245.5 in its company information and describes export experience with overseas CNC equipment buyers. Model-specific technical documents and intellectual-property records can be requested when needed for supplier qualification.
 | ||
| Quality Control Discuss incoming inspection, spindle testing and shipment checks. | Patent and Product Documents Request relevant patent details and applicable model documents. | Established Product Range CNC spindle motors, inverters, accessories and machines. |
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| Factory-Direct Enquiries Request prices for trial, wholesale and repeat orders. | Technical Assistance Discuss inverter matching, installation and troubleshooting. | Export Coordination Confirm packing, production and logistics by order. |
For supplier assessment, ask for the exact specification sheet, quality-test information, warranty terms, shipping schedule and final packing list for the chosen spindle and VFD combination.
Discuss Bulk Orders and OEM Spindle Supply
CNC router machine options include compact models such as 3018, 3020 and 3040, plus larger 6090-series equipment. Confirm spindle mounts and electrical interfaces when selecting a compatible machine.
Round and square air-cooled and water-cooled spindle motors and suitable variable frequency drives are available for different machine specifications.
Associated products include Z probes, limit switches, emergency-stop components, shielded machine wiring and stepper motors for CNC motion systems.
The image above shows manufacturer-supplied documentation. Request the specific certificate, issuing organization, scope and applicable model number if compliance documentation is required for your purchase.
Customer feedback and reference images are provided for general supplier background. Technical acceptance criteria should be documented separately on the purchase specification.
The listed package contains one Ø65mm 1.5kW round spindle motor, one 1.5kW VFD inverter, one Ø65mm clamp mount, 13 ER11 collets (1–7mm), 10 drill bits (0.8–3mm, 1/8-inch shank), one aviation wire, one power wire and two wrenches. Confirm cable lengths and the inverter model before ordering.
This product is advertised as a spindle-and-VFD kit, and the original packing list explicitly includes one 1.5kW VFD inverter. Check the voltage variant and exact VFD model on your quotation.
The published power is 1.5kW, with an indicated spindle speed range of 10,000–24,000 RPM. Set speed and acceleration appropriately for the motor, cutting tool and machine.
The published spindle dimensions are Ø65 × 268mm, with a motor weight of approximately 2.9kg. Allow additional installation space for cable routing and cooling airflow.
The product lists 110V and 220V configurations. Specify your location and electrical supply so the correct inverter input and spindle voltage version can be selected; these options do not mean every unit is dual-voltage.
The ER11 interface accepts appropriately sized tool shanks using the corresponding collet. The source kit lists a 13-piece collet set covering 1–7mm. Verify the exact included sizes and tool clearance.
ER11 is a more compact collet interface typically selected for smaller tool shanks, whereas ER16 supports a larger tool-holding range depending on the collet set. The spindle bodies, mounting dimensions and accessories may also differ.
Wood, MDF and related materials are common CNC routing applications. Tool selection, dust extraction, programmed speed and feed rate determine the appropriate process.
Yes, with compatible cutters and properly selected cutting conditions. Consider chip removal and heat buildup to prevent melting and poor surface finish.
Light machining of aluminum and brass can be considered when the CNC machine is sufficiently rigid and suitable tooling, feed rates and workholding are used. It is not a blanket recommendation for heavy metal removal.
PCB isolation milling and small-hole drilling are possible applications with appropriately sized bits, stable spindle mounting, good runout control and careful depth settings.
Certain GRBL controller boards can interface with a suitably configured VFD through their spindle control outputs. Confirm the controller signal type, VFD terminals and wiring documentation; direct compatibility is not universal.
No. This is an air-cooled model and does not require the water-circulation equipment used by water-cooled spindle systems. The cooling air path must remain unobstructed.
Use the included Ø65mm clamp on a compatible, adequately rigid Z-axis assembly. Check fastening, body clearance, wire routing and cooling airflow before running the machine.
The supplier’s comparison material illustrates runout below 0.005mm. Buyers with a mandatory tolerance should request model-specific measurement evidence and agreed inspection conditions instead of treating the illustration as an unconditional guarantee.
Yes. The product is offered to distributors, resellers, OEM buyers and machine builders. Share the target model, electrical version, quantity and destination to request a wholesale quotation.
The supplier describes OEM/ODM support for branding, packaging and selected product configurations. Feasibility and minimum order quantities depend on the requested specification.
The original sales information allows small trial orders for standard kits and describes OEM or customized quantities as negotiable. Request the applicable MOQ for your selected configuration.
The original product description states a typical 3–7 working days after payment for standard kits and approximately 10–20 days for larger or customized production orders, plus a 12-month warranty. Confirm current availability, delivery schedule, covered items and warranty terms in writing before purchasing.
The product information describes technical assistance for installation, VFD parameter setup and troubleshooting, including ongoing support channels. Discuss your machine controller, inverter model and support requirements when placing the order.
