When you need more cutting power, our 2.2KW Air Cooled Spindle is your go-to solution. This 2.2 kw spindle air cooled can handle harder materials like aluminum and brass with greater efficiency. As a professional 2.2 kw Spindle Air Cooled China Factory, we ensure every 2.2 kw Air Cooled CNC Spindle is rigorously tested to deliver unparalleled performance and reliability.
■ Product Description

■ Technical Parameters
| Model | STF47-82-2.2-ER20 |
| Power | 2.2kW |
| Voltage | 220/380V |
| Current | 7.9/4.6A |
| Poles | 2 |
| Torque | 1.17Nm |
| Speed | 18000rpm |
| Frequency | 300Hz |
| Cooling | Air |
| Tool interface | ER20 |
■ 2.2kW Air Cooled CNC Spindle Motor Advantages

Market Mainstream, High Cost-Effectiveness
The 2.2kW power level is medium, capable of meeting the needs of most medium-to-light duty engraving and cutting tasks, making it one of the most widely applied and cost-effective models in the industry.

Moderate Cutting Force, High Efficiency
It possesses stronger torque compared to the 1.5kW, supporting larger feed rates and deeper cutting depths, effectively improving machining efficiency.

Square Structure, Strong Rigidity and High Stability
The square casing design ensures more secure mounting. During high-load or prolonged continuous operation, it effectively suppresses vibration, ensuring machining precision and extending tool life.

Air-Cooled Convenience, Low Maintenance Cost
Uses fan cooling, eliminating the need for any external water circulation system. Installation is simple, completely avoiding the maintenance and antifreeze issues associated with water-cooled systems.

High Speed Ensures Surface Quality
Typically achieves a high speed of 24,000 RPM, ensuring a smooth, burr-free cutting surface when processing materials like acrylic and wood.
■ Application Scenarios

Panel Furniture and Wood Nesting
Suitable for nesting, routing, and drilling of medium-thickness panels (such as 15mm-18mm MDF or particleboard), serving as a standard configuration for light furniture production lines.

Advertising Signage Production
Fast, deep cutting and fine engraving of non-metallic materials like thick acrylic, PVC, and foam boards.

General Industrial Engraving
Suitable for processing various medium-sized molds (such as resin, artificial wood) and general non-metallic material milling.

Limited Processing of Light Metal Materials
Can be used for light milling and trimming of soft metal materials like aluminum composite panels and thin aluminum profiles.
■ Adapted Equipment
● Small and Medium CNC Engraving Machines
Working table sizes are typically 1325 (1.3m × 2.5m) and smaller, used for batch woodworking or advertising engraving.
● Light CNC Nesting Machines
Cost-effective, integrated nesting and drilling machines specialized for the panel furniture industry.
● Multi-functional Advertising Engraving/Milling Machines
Models requiring multi-material, multi-process mixed machining.
● General Medium CNC Platforms
General milling platforms used in small workshops or educational institutions that have higher requirements for power and stability.
■ FAQ
Q: How to choose the right power?A: It depends on the material you're processing.
2.2kW: Suitable for engraving materials like acrylic and PVC.
3kW - 4.5kW: Most common, used for nesting and engraving various wood panels.
6kW and above: Ideal for heavy cutting, like cutting solid wood.
Q: What should be noted when using an air-cooled spindle?A: Keep it clean, don't overload it, and check if the fan is spinning correctly.
Q: How to match an air-cooled spindle with an inverter?A: The inverter's power, voltage, and frequency must match the spindle's specifications.
Q: Is it normal for an air-cooled spindle to get hot during use?A: Slight warmth is normal. However, if it feels very hot to the touch, the fan may be broken or the spindle could be overloaded.
Q: What is the typical lifespan of an air-cooled spindle?A: The lifespan of an air-cooled spindle mainly depends on its bearings. With proper maintenance and without overloading, a good spindle can last for thousands or even tens of thousands of hours.