Enter the realm of high-production machining with our 5.5KW Water Cooled Spindle. This is an industrial-grade powerhouse, where the 5.5kw water cooled cnc spindle design ensures that even under maximum load, thermal stability is maintained. It's the perfect choice for large-format CNC routers and machining centers that operate around the clock.
■ Product Description
■ Technical Parameters
| Model | STZ125-5.5-ER25 |
| Power | 5.5kW |
| Voltage | 380V |
| Current | 11.0A |
| Poles | 2 |
| Torque | 2.19Nm |
| Speed | 24000rpm |
| Frequency | 400Hz |
| Cooling | Water |
| Tool interface | ER25 |
■ Product Advantages
Powerful Performance for Heavy-Duty Cutting
The 5.5kW rated power provides the spindle with strong cutting torque and driving force. This allows it to easily handle a variety of high-hardness materials like hardwood, metal, and stone, meeting the demands of heavy-duty cutting and large feed rates to ensure efficient and stable production.
Superior Cooling for Extended Operation
Water has a higher specific heat capacity than air, allowing it to more efficiently absorb and dissipate heat generated by the spindle. This ensures that the water-cooled spindle maintains a minimal temperature rise during long, high-load, continuous operation, preventing performance degradation caused by overheating.
High Precision, Eliminating Thermal Deformation
The efficient cooling system effectively suppresses thermal deformation of the spindle. During long, continuous processing, the spindle's temperature remains constant, ensuring unparalleled machining accuracy and stability. This is crucial for fields with strict precision requirements, such as mold manufacturing and precision parts processing.
Low Noise, Optimized Work Environment
Unlike air-cooled spindles, water-cooled spindles do not have a fan, resulting in extremely low operational noise. This creates a quieter, more comfortable work environment for operators, reduces noise pollution, and contributes to improved work efficiency and employee health.
■ Application Scenarios
Mold Manufacturing
This is the most typical application for the 5.5kW water-cooled spindle. When machining steel, copper, or aluminum alloy molds, the spindle must run under a high load for extended periods and requires extremely high precision and surface finish. The efficient water-cooling system ensures the spindle's temperature rise remains minimal during long-term operation, eliminating thermal deformation and guaranteeing machining accuracy and product quality.
Metal Processing
This spindle can easily handle the milling, drilling, and tapping of various non-ferrous metals (such as aluminum and copper) and even some steel. Its powerful output and high stability can meet the demands of heavy cutting and high feed rates, significantly boosting production efficiency.
Precision Woodworking and Furniture Manufacturing
When processing hardwoods, solid woods, or high-density boards, the spindle's strong power and high-precision advantages are still apparent. For factories that need to produce high-quality furniture parts in large batches over long periods, the water-cooled spindle's stability can significantly shorten production cycles and reduce defect rates.
Stone and Marble Processing
This spindle is suitable for cutting, engraving, and milling hard materials like stone, marble, and granite. Its powerful output and efficient cooling ensure a smooth cutting process and extend tool life.
■ Adapted Equipment
● CNC Machining Centers
This is the primary compatible equipment. Whether for a woodworking, small-scale metal, or stone machining center, this spindle can serve as the core power unit, providing powerful support for automated, multi-functional, and high-efficiency production.
● Heavy-Duty CNC Engraving Machines
This spindle is suitable for CNC engraving machines that perform high-precision, long-duration, and heavy-duty cutting tasks. Installing this spindle can upgrade a standard machine into a powerful "mini machining center."
■ FAQ
Q: Why choose a water-cooled spindle?A: They have good heat dissipation, low noise, and high machining accuracy.
Q: What should be paid attention to in the daily maintenance of a water-cooled spindle?A: Use clean water (purified water), change the water regularly, and remember to use antifreeze in winter.
Q: How to choose the right power for a water-cooled spindle?A: 3.2kW and below: Suitable for engraving wood, plastic, and other materials.
5.5kW and above: Suitable for processing hard materials like metal and stone.
Q: Why does the spindle get hot?A: If the water isn't circulating (for example, if the pump is broken or the pipe is blocked), the spindle will overheat.
Q: What type of water is best for cooling?A: It's best to use purified or distilled water.
Q: How big should the water tank be for the cooling system?A: The bigger the water tank, the better the heat dissipation. A 10-20 liter tank is generally sufficient for a small spindle.
