Perfect for detailed engraving and PCB milling, the 800W Water Cooled Spindle offers precision in a quiet package. The 800w water cooled cnc spindle is a significant upgrade for desktop CNCs, providing better performance than stock spindles. Often featuring an 800w water cooled spindle er11 collet, it is optimized for fine-detail work.
■ Product Description
■ Technical Parameters
| Model | STZ65-0.8-ER11 |
| Power | 0.8kW |
| Voltage | 220V |
| Current | 3.5A |
| Poles | 2 |
| Torque | 0.32Nm |
| Speed | 24000rpm |
| Frequency | 400Hz |
| Cooling | Water |
| Tool interface | ER11 |
■ Product Advantages
Extremely Low Operating Noise
The water-cooled structure conducts heat via liquid, eliminating the need for forced fan cooling. This means it generates almost no wind noise during operation, running much quieter than air-cooled spindles, making it highly suitable for environments where ambient noise levels are a concern.
Excellent Temperature Rise Control
The water circulation cooling system quickly removes heat from inside the spindle. Even during long periods of continuous, high-speed operation (e.g., 24,000 RPM), it maintains an extremely low temperature rise, ensuring bearing longevity and long-term operational accuracy of the spindle.
High Speed and High Precision
Although the power is low, the 0.8kW spindle is typically designed for high rotational speeds. Coupled with its excellent temperature control, it is suitable for driving small-diameter tools for high-precision, high-finish fine engraving.
Compact Structure and Light Weight
Spindles in the 0.8kW power segment are small and lightweight, allowing them to be configured on small-scale, lightweight CNC equipment or 3-axis/multi-axis engraving machines with minimal load on the machine's motion platform.
Suitable for Harsh Environments
The water cooling system effectively isolates the spindle's interior from external dust and debris, increasing reliability in environments with wood chips, dust, or oil mist.
■ Application Scenarios
Small-Scale Precision Engraving
Applicable to fine, high-finish engraving and lettering for seal engraving, small crafts, badges, and nameplates.
PCB and Electronic Component Processing
Used for micro-drilling, precision cutting, and trimming of circuit boards, demanding extremely high speed and precision.
Fine Machining of Light Materials
High-precision, low-material-removal milling and polishing of lightweight materials such as plastics, acrylic, wax molds, and wood.
■ Adapted Equipment
● Desktop/Small CNC Engraving Machines
Compact engraving equipment for personal or small studio use.
● Micro Precision Machining Centers
Machining equipment specifically dedicated to PCBs, small molds, or precision parts.
● Auxiliary Tool for Laser Engraving/Fiber Cutting Machines
Functions as an auxiliary tool head for milling or polishing.
● Multi-Head/Multi-Axis Engraving Machines
Used on equipment where multiple spindles must work simultaneously and there are restrictions on the weight and size of each spindle.
■ 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.
