2.2 kW 220V Air Cooled ER20 18000 RPM Spindle Motor
Explore our efficient and reliable General Air Cooled Spindle series. As a classic Air-Cooled Spindle, it ensures stable, long-term operation through forced air cooling, eliminating the need for complex water-cooling systems. Whether you're a beginner or seeking a cost-effective solution, our air cooling spindle and Air Cooled Router Spindle meet fundamental requirements for precision and durability, making them the ideal starting point for any CNC project.
■ Product Description
■ Technical Parameters
| Model | STF36-110B-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 |
■ Product Advantages
Secure Mounting, Lasting Durability
The flying-edge design, secured by bolts, provides superior vibration resistance and stability. This not only guarantees high precision during high-speed cutting but also extends the lifespan of both the spindle and tools.
High Rigidity, Strong Load Capacity
The square cross-section structure effectively resists cutting forces, reducing deformation and maintaining machining accuracy, especially during heavy-duty cutting or large-mold processing. Square spindles can accommodate larger, heavier tool systems, adapting to complex processes (such as milling and boring) and ensuring machining stability.
High Cost-Effectiveness, Fast ROI
This spindle integrates the benefits of the flying-edge function and an air-cooled design. It offers exceptional performance at a more competitive price than complex custom spindles. By reducing subsequent sanding and maintenance costs, it shortens the return on investment period.
■ Application Scenarios
Advertising and Signage
This is one of the primary application areas for this spindle. It can easily handle the rapid cutting and engraving of non-metallic materials such as acrylic, PVC, and two-color boards. When creating signs, 3D letters, or decorative pieces, its flying-edge function ensures a smooth cut surface, reducing the need for post-sanding and significantly improving product quality and efficiency.
Small-Scale Woodworking and Craft Production
The spindle is suitable for engraving and milling materials like wood, MDF, and particleboard. For the creation of small furniture, wooden crafts, or musical instruments, its precise flying-edge function guarantees flawless, smooth edges.
■ Adapted Equipment
● 1Small-Scale CNC Engraving Machines
This spindle is suitable for engraving machines with smaller work tables that still need to process a variety of materials and require high-quality cutting.
● CNC Trimming Machines
Some professional CNC trimming or sanding machines also use this type of spindle to ensure optimal flatness and a smooth finish during high-speed trimming.
● Small CNC Nesting Machines
This spindle is ideal for small nesting machines on a panel furniture production line, where it is used to cut small or custom-shaped parts and ensure excellent cutting quality.
■ 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.
