Boost your machine's versatility with an ER20 Water Cooled Spindle. The ER20 collet system supports a broad range of tool shank diameters (up to 13mm), making it suitable for both detailed work and more aggressive cutting. The er20 water cooling spindle ensures thermal stability across all applications, from fine engraving to heavy routing.
■ Product Description
■ Technical Parameters
| Model | STM80-3.0-ER20 |
| Power | 3.0kW |
| Voltage | 220V |
| Current | 10.0A |
| Poles | 4 |
| Torque | 0.71Nm |
| Speed | 40000rpm |
| Frequency | 1333Hz |
| Cooling | Water |
| Tool interface | ER20 |
■ Product Advantages
Robust Sustained Fine Machining Power (3.0kW)
The power is ample, providing stable and strong torque, capable of easily driving medium-to-large diameter tools. This allows the spindle not only to handle fine engraving but also to accommodate medium milling, deep slotting, and high-speed nesting, significantly improving the production efficiency of medium-to-large workpieces.
High Precision and Excellent Temperature Control
The 3.0kW spindle has high-speed capability (usually 24,000 RPM or higher). When combined with an efficient water-cooled or optimized air-cooled system, it ensures an extremely low temperature rise and high thermal stability during long periods of high-load operation. Stable temperature is key to guaranteeing bearing life and machining accuracy.
Noise Control Optimization
Both the water-cooled structure (eliminating wind noise) and the optimized low-noise air-cooled structure aim to provide a quiet and comfortable working environment, making it suitable for industrial settings where ambient noise is a concern.
Wide Range of Applicable Tools and Workpieces
Capable of stably clamping tools ranging from very small to medium diameters, suitable for the entire process from roughing to finishing, especially for handling larger-sized workpieces.
High Reliability and Versatility
The 3.0kW power segment is an important configuration in industrial applications, offering reliable performance and easy integration with various high-performance drivers and CNC systems.
■ Application Scenarios
Medium-to-Large Precision Wood Engraving
Applicable to deep, high-efficiency routing, fine carving, and slotting for large solid wood furniture, wooden doors, large artwork, etc., balancing large-area material removal and high detail accuracy.
Medium Mold Manufacturing
Performing high-precision, medium-volume milling, finishing, and complex surface contouring of materials like resin, artificial wood, gypsum, and medium-intensity soft metals (such as aluminum alloys and copper).
Batch High-Quality Processing in the Advertising Industry
Used for fast, high-quality polishing and complex shaping of materials like thick acrylic, PVC, and large three-dimensional signs, suitable for production requiring high quality in batch products.
Precision Mechanical Parts Processing
Used for high-precision milling and drilling of small mechanical parts or fixtures.
■ Adapted Equipment
● High-Performance General CNC Engraving Machines/Milling Machines
General CNC equipment used for medium-to-large workpieces, mold manufacturing, or applications requiring high efficiency.
● High-Precision Multi-Head Engraving Machines
Used in medium-to-large equipment where multiple spindles must work simultaneously to achieve high efficiency and high precision.
● Small Precision Machining Centers (High-Load Type)
Platforms dedicated to processing precision parts and molds that require prolonged, high-load operation.
● Customized Automated Production Lines
Customized machines used for fine, automated, continuous production of medium-sized products.
■ 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.
