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ER16 1.5KW Square Air Cooled
110V/220V
10000-24000 RPM
4.3kg
Air cooled
ER16
1.5KW
8A
247X90X105mm
Download the Zhong Hua Jiang 2025 CNC Router Machine Catalogue (PDF)
The Zhong Hua Jiang Square ER16 1.5kW Air-Cooled CNC Spindle Motor Kit combines a square-frame spindle motor, a 1.5kW variable frequency drive (VFD), ER16 collets and installation accessories for CNC routing, engraving and light-duty milling. It is intended for machine builders, CNC workshops, distributors and professional buyers planning complete spindle upgrades.
The ER16 collet system accommodates a wider listed tool-shank range than the ER11 version on this site. The supplied VFD is used to set and control spindle speed, while the air-cooled motor does not require a separate water pump or coolant tank for spindle cooling.
Available voltage configurations are described as 110V and 220V, with a published speed range of 10,000–24,000 RPM. Buyers should confirm the precise VFD input rating, the spindle nameplate and the selected power supply before ordering or wiring the kit.
Request ER16 Square Spindle Kit Pricing
| Specification | Published product information |
|---|---|
| Spindle motor power | 1.5kW (1500W) |
| Motor design | Square, air-cooled CNC spindle motor |
| Collet interface | ER16 |
| Speed range | 10,000–24,000 RPM |
| Voltage options | 110V / 220V versions; confirm the selected spindle and VFD ratings |
| Rated current | 8A (product overview listing) |
| Spindle frequency | 400Hz (high-frequency spindle operation; configure the VFD accordingly) |
| Spindle weight | 4.3kg (published motor weight; not total kit shipping weight) |
| Spindle size | 242 × 90 × 105mm in the kit component table; request the current installation drawing |
| Intended machinery | CNC router and engraving equipment; installation and controller interfacing must be verified |
For mechanical installation, request the current dimension drawing: the published product overview lists a slightly different overall length from the kit table. All VFD settings and electrical connections must match the selected motor and local supply.
The standard kit configuration below enables buyers to confirm the scope of supply before placing an order.
| Quantity | Component / kit detail |
|---|---|
| 1× | 1.5kW square air-cooled spindle motor |
| 1× | 1.5kW VFD inverter |
| 13× | ER16 collets (listed size range: 1–10mm) |
| 10× | Drill bits (listed: 0.8–3mm, 1/8-inch shank) |
| 1× | Aviation wire |
| 1× | Power wire |
| 4× | Wrenches |
| Spindle motor size: 242 × 90 × 105mm (9.5 × 3.5 × 4.1in), as listed for this kit configuration. | |
| Spindle motor weight: 4.3kg. | |
The listed ER16 collet range does not specify all 13 individual collet diameters. Confirm the exact collet sizes, VFD model, plug/wiring standard and accessory list in the purchase order.
Confirm Kit Contents and Request a Quote
This square 1.5kW ER16 spindle kit is intended for CNC router engraving, profile routing, signmaking and compatible light-duty milling operations. Material suitability depends on the workpiece, cutter, machine stiffness, toolpath and cooling conditions.
Use the spindle for lettering, relief carving and profile routing in suitable wood and wood-based boards. Select the tool size and feed rate for the material and verify that the spindle remains within its specified operating range.
Suitable CNC setups can use the ER16 square spindle for engraving, lettering, slots and profiles in acrylic and other machinable plastics. Chip evacuation, cutter geometry and heat management are important to the finished edge.
Light-duty machining of aluminum or brass may be possible on a sufficiently rigid CNC machine with appropriate tooling, workholding and conservative cutting parameters. The spindle kit is not a substitute for verifying machine rigidity or machining capability.
Discuss CNC Materials and Spindle Compatibility
The ER16 spindle nose is designed for compatible ER16 collets. The kit lists 13 collets covering a nominal 1–10mm range and 10 drill bits with 1/8-inch shanks. Check each included collet bore against the intended cutter shanks before machining.
The supplied 1.5kW VFD is intended to provide adjustable spindle speed within the motor’s stated 10,000–24,000 RPM range. Match the inverter output voltage, motor current, operating frequency and acceleration settings to the spindle nameplate and the inverter manual.
The square body allows mounting to compatible CNC structures without the water-cooling pump, hoses and tank required by a water-cooled spindle. Air inlets and outlets must remain clear and the mounting arrangement must match the motor drawing.
Where the CNC controller and the selected VFD offer compatible control terminals, speed command and start/stop control can be configured through the appropriate VFD interface. Verify GRBL controller outputs, grounding, signal isolation and VFD parameters before installation; compatibility is not automatic for every controller.
The product describes a four-bearing spindle and dynamically balanced rotor intended to support stable high-speed operation. Published runout illustrations show a sample result below 0.005mm; actual runout depends on the measurement position, collet, tool, assembly and test method. Request relevant inspection data for production-critical applications.
The included aviation wire, power wire and four wrenches support machine installation and routine tool changes. Electrical installation and VFD commissioning should be carried out by qualified personnel with appropriate grounding, protection and motor parameter checks.
Dynamic balancing is used to help reduce spindle vibration during high-speed engraving and routing. Actual noise, surface finish and operating stability also depend on bearings, workpiece mounting, cutter geometry and the CNC machine frame.
The ER16 square spindle is described as using four upgraded steel bearings and a copper winding design. Bearing condition and service life depend on load, duty cycle, operating temperature, dust exposure and maintenance; no fixed service-life multiple is guaranteed for every installation.
The comparison images and figures illustrate manufacturer-stated sample measurements; these values do not replace a runout inspection report for the specific spindle supplied.
| Zhong Hua Jiang Spindle Motor | Reference Spindle Motor |
|---|---|
 |  |
| Published example runout: less than 0.005mm. | Published reference example: about 0.05mm. |
The spindle housing uses mounting positions on the square body. The VFD is described as pre-programmed. Verify its actual delivered parameter settings, motor rotation direction and stop behavior before starting production.
Ask for Spindle Drawings and VFD Specifications
The standard kit configuration described above includes the motor, 1.5kW VFD, collets, drill bits, wiring and wrenches. Protective packaging and international shipping arrangements should be confirmed for the requested order volume and destination.
Distributors and OEM buyers can request quotation details for voltage selection, packing units, branding and accessories. Provide your destination market, CNC controller type and expected order quantity to help identify the appropriate configuration.
Request Bulk Pricing and Packing Details
Compare spindle power, ER collet size, square or round housing, controller requirements and included accessories before selecting a CNC spindle kit. The options below are separate product configurations.
The 500W spindle kit is a separate lower-power configuration. Confirm its motor and controller type rather than assuming it uses the same 1.5kW AC VFD system.
Huajiang states that its CNC spindle motor manufacturing business began in 2000 and later expanded into variable frequency drives and CNC engraving machines. The Zhong Hua Jiang brand was introduced in 2018.
The company describes manufacturing and exporting CNC spindle motors and related machine components for international customers. It also cites an air-cooled spindle motor patent reference, No. 200730184245.5. Buyers may request supporting patent and product documentation for their purchasing records.
Contact the CNC Spindle Manufacturer
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| Quality Control Inspection procedures and product checks before shipment. | Patent Documentation Manufacturer patent information is available for inquiry. | Manufacturer Experience CNC spindle motors, VFDs and CNC machine components. |
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| Factory-Direct Supply Pricing and quotation details for professional buyers. | Technical Support Support for installation and product configuration inquiries. | Export Coordination Shipment arrangements and order updates based on the agreed quotation. |
Explore compact CNC router formats and larger-format machines, including 3018, 3020, 3040 and 6090 product families, according to work area and application requirements.
Select spindle technology according to power needs, machine mounting, cooling requirements, duty cycle and tooling.
Accessories include control and machine components such as limit switches, Z probes, emergency-stop devices and shielded cables for appropriate CNC installations.
Stepper motor options serve CNC positioning and related motion applications; select the rated motor and driver for the required machine axis.
Documentation displayed here is supplied for reference. If a certificate, declaration or specific market-compliance document is required, request evidence applicable to the exact motor, VFD and destination market.
Shown customer feedback relates to Zhong Hua Jiang CNC spindle products; application requirements and results may vary by spindle configuration and CNC machine.
The published package list specifies one 1.5kW square spindle, one 1.5kW VFD, 13 ER16 collets, 10 drill bits, one aviation wire, one power wire and four wrenches. Confirm the exact sizes and supplied inverter model with the quotation.
This version uses an ER16 collet interface and has a listed collet range of 1–10mm. ER11 and ER16 collets are different systems; check cutter-shank dimensions and the motor interface before selecting a kit.
Yes. The listed kit includes one 1.5kW VFD inverter. Confirm input voltage, model, control terminals and operating settings for your local supply and CNC controller.
The published working speed is 10,000–24,000 RPM. The spindle is described as a 400Hz high-frequency model, and the VFD must be configured according to the correct nameplate and motor specifications.
The product offers 110V and 220V configurations. These should be treated as order options, not as permission to connect a single motor or VFD indiscriminately to either supply. Confirm the ordered configuration and wiring instructions.
The package table states 242 × 90 × 105mm and 4.3kg. A separate product specification lists a slightly different overall length, so obtain the latest installation drawing before machining a mounting bracket.
The package lists 13 ER16 collets within a stated 1–10mm range. The individual bore increments are not given in the table; request the exact size breakdown if your tools require specific diameters.
The kit list identifies 10 drill bits described as 0.8–3mm with 1/8-inch shanks, plus four wrenches. Verify the precise bit sizes and tool types in the order confirmation.
These are listed applications for compatible CNC setups. Results depend on cutting tool selection, feeds and speeds, material characteristics, dust or chip control and machine stiffness.
The supplier identifies light-duty soft-metal machining as a possible application. Confirm the CNC machine rigidity, suitable tools, workholding, cutting parameters and the expected duty cycle for your specific operation.
It may be integrated when the controller provides suitable VFD control signals and the chosen inverter offers compatible control inputs. Confirm spindle start/stop, speed control, isolation and wiring requirements before purchase.
No external water-cooling pump or coolant reservoir is required for spindle cooling. Keep the motor air passages clear and follow installation and maintenance instructions.
The VFD is described as pre-programmed. Confirm the delivered inverter parameters and verify rotation direction, motor voltage, current, frequency and protection settings during commissioning.
An illustrative comparison reports a sample value below 0.005mm. For a specific purchase, request the runout specification and its measurement method, location and inspection conditions.
Zhong Hua Jiang welcomes distributors, machine builders and wholesale buyers. Share your required voltage configuration, quantity, destination, packaging and technical needs to request a formal quotation.
The manufacturer discusses OEM/ODM options covering branding, packaging, voltage and other requirements. Engineering feasibility, component options and commercial terms should be agreed for each project.
The supplier states that small trial orders may be considered for standard kits. The quantity for customized or bulk orders is discussed according to the requested configuration and quotation.
The published guidance states approximately 3–7 working days for standard configurations after payment and 10–20 days for large or customized orders. These are indicative production periods, not guaranteed arrival dates; confirm the current schedule and shipping method.
A 12-month warranty and ongoing technical support are described for spindle, VFD and related products. Confirm coverage, exclusions, service procedures and replacement terms in the final sales agreement.
Specify 110V or 220V supply, CNC controller model, required ER16 collet sizes, machine mounting drawing, target materials, quantity, shipping country and any OEM packaging requirements. These details help identify a suitable kit configuration.
