When standard power isn't enough, our High Power Air Cooled Spindle series opens up new possibilities. This 7.5kw Air Cooled Spindle, for instance, provides relentless power for large-scale, heavy-load industrial automation lines. It is a true productivity tool designed for the most demanding manufacturing environments.
■ 7.5KW Air Cooled Spindle Motor Description
■ Technical Parameters
| Model | STF60-103-7.5-ER32 |
| Power | 7.5kW |
| Voltage | 220/380V |
| Current | 26.2/15.3A |
| Poles | 2 |
| Torque | 3.98Nm |
| Speed | 18000rpm |
| Frequency | 300Hz |
| Cooling | Air |
| Tool interface | ER32 |
■ 7.5KW Air Cooled Spindle Motor Advantages
Top-Tier Heavy Cutting Power (7.5kW)
Provides ultra-high sustained output torque and robust power, easily driving large-diameter tools for high-speed, high-feed heavy cutting, which is crucial for high-efficiency industrial nesting and deep milling.
Maximum Tool Clamping Capability (ER32)
The ER32 collet is one of the largest clamping diameter specifications among commonly used collets (typically clamping up to 20mm). It securely grips various large-diameter roughing tools, drills, and end mills, significantly broadening the machining scope and cutting capability.
Ultimate Structural Rigidity and Stability
With the robust design of the square casing and optimized bearing configuration, the spindle maintains extremely low vibration and runout even under high power and heavy load. This is the foundation for guaranteeing the precision of heavy cutting and extending tool life.
Reliability and Maintenance-Free Nature of the Air-Cooled System
Uses an integrated fan for forced cooling, avoiding all maintenance issues associated with water circulation systems (such as water quality, pumps, and anti-freeze). This boosts the equipment's reliability and continuous uptime in complex industrial environments.
Industrial-Grade Durable Design
Engineered for industrial 24/7 continuous production, the spindle's heat dissipation efficiency and internal component durability are reinforced, ensuring uncompromised performance during prolonged, heavy-load work.
■ Application Scenarios
Large-Scale Panel Furniture Machining Centers
Applicable to ultra-high-efficiency, fully automated nesting, slotting, and drilling in large custom home factories, capable of processing panels of various thicknesses and densities at extremely high speeds.
Heavy-Duty Solid Wood and Complex Shape Processing
Deep-layer, high-intensity, large-material-removal 3D surface routing and complex shaping on thick solid wood, high-hardness artificial wood, and engineering plastics.
Aerospace/Automotive Interior Material Processing
Suitable for rapid prototyping and trimming of high-density foam, resin, and lightweight composite materials, requiring extremely high speed and material removal rates.
Medium-Intensity Aluminum Milling
Serves as a powerful core for light metal machining centers, used for large-diameter tool, high-feed rate milling and drilling of soft metals like aluminum alloys and copper.
■ Adapted Equipment
● High-End Automatic Tool Change (ATC) Machining Centers
Flagship CNC machines equipped with tool magazines and automatic loading/unloading systems, used for high-intensity, multi-process complex automated production.
● Ultra-Large Gantry Machining Centers
Specifically designed for heavy-duty milling and deep cutting of large-format materials (such as 2040, 3060, or larger).
● Multi-Spindle/Multi-Station Industrial Machinery
Customized production equipment where multiple spindles must work simultaneously, requiring high power and rigidity for each spindle.
● Professional Mold Manufacturing Equipment (Non-Steel)
Used for the rapid production of large resin, artificial wood molds, and high-precision prototype models.
■ 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.
