CNC spindles in the 1–3 kW range are widely used across global manufacturing, powering everything from CNC engraving machines and small machining centers to precision mold engravers and PCB drilling machines. These spindles combine compact construction, high power density, and rapid dynamic response—and rely heavily on stable temperature control to maintain machining accuracy.

Whether operating at low speed or high speed, spindle systems generate continuous heat around bearings, coils, and stators. Over time, insufficient cooling can lead to thermal drift, reduced tool life, and even spindle deformation. For industries requiring high precision and reliability, choosing a suitable CNC spindle chiller is essential to protect equipment performance.

Why Cooling Matters for Small and Mid-Power CNC Spindles
Even at modest power levels, CNC spindles experience significant thermal stress due to:
* Long-duration high-RPM rotation
* Tight machining tolerances
* Heat concentration in compact structures
Without an effective industrial chiller, temperature rise can compromise micro-level machining accuracy and long-term spindle stability.

TEYU CW-3000: A Compact and Efficient CNC Spindle Chiller
As a professional chiller manufacturer, TEYU offers the CW-3000 small industrial chiller, engineered specifically for the thermal management needs of 1–3 kW CNC machine tools and spindle systems. Its passive cooling structure delivers reliable heat dissipation with extremely low power consumption, making it one of the most cost-effective cooling solutions for small CNC setups.

Key Features of the TEYU CW-3000 Industrial Chiller
* Approx. 50 W/°C heat-dissipation capacity
For every 1°C rise in water temperature, the unit can remove about 50 W of heat—ideal for compact CNC and engraving applications.
* Compressor-free passive cooling design
A simplified cooling structure reduces operating noise, improves energy savings, and minimizes maintenance requirements.
* Integrated fan, circulation pump, and 9 L water tank
Ensures steady water flow and rapid thermal balance, supporting stable spindle operation.
* Ultra-low power consumption (0.07–0.11 kW)
Helps reduce operating costs for small workshops and automated manufacturing lines.
* International certifications
CE, RoHS, and REACH compliance demonstrate TEYU's commitment to global safety and environmental standards.
* 2-year warranty
Provides long-term reliability and peace of mind for CNC users worldwide.

A Reliable Cooling Partner for Small CNC Machine Tools
With precision manufacturing increasingly dependent on stable thermal control, the TEYU CW-3000 stands out as a trusted, affordable, and energy-efficient CNC chiller. It is perfectly suited for 1–3 kW CNC engraving machines, mold engraving systems, and PCB drilling machines that require consistent cooling to maintain accuracy and extend spindle life.

For CNC operators looking to upgrade their machine tool cooling, the TEYU CW-3000 chiller offers a professional balance of performance, reliability, and value.

Guangzhou Teyu Electromechanical Co., Ltd. was established in 2002, which specializes in developing, producing and selling industrial chillers for more than 20 years with annual output of 120,000 units of water chiller. We has a dedicated R&D, quality inspection team and production base, a total 25,000 square meters production plant located in Haizhu District and Panyu District in Guangzhou, becoming the largest manufacturer of small power industrial chiller in China. By always adhere to “Quality First, Strive for Excellence” business philosophy of design and production, brands “S&A” and “TEYU” have achieved the trust from hundreds of domestic and foreign manufacturers, product export ratio reaching over 60%. Teyu refrigeration technology is leading in industrial refrigeration field with CW and CWFL series product having become industry standard products and known as "industrial refrigeration expert"
With thermolysis type and refrigeration type industrial chillers as the core of production, and dozens of CW/CWFL series chillers as unique feature of professional brand, we produce and design chillers in accordance with modern laser equipment characteristics and requirements using energy-efficient and precise intelligent temperature control technology.
Our chillers are mainly applied in professional fields such as high-power industrial laser machinery, water-cooled high speed spindle, precision optics mechanism, laboratory apparatus, etc. And it's used in industries of costume, shoes making, advertisement, printing, marking, mould, glasses, chemical and toys and so on. It is mostly exported to USA, Canada, Brazil, France, Italy, Germany, Ukraine, Russia, South Africa, Dubai, Israel, India, Philippine, Singapore, Vietnam, Thailand, Korea and Taiwan, etc. We provide corollary equipment and technical support to more than one thousand domestic and international factories.
We implement a standardized modern enterprise management mode to product green product and have passed the ISO9001 international quality management system certification, CE and RoHS certification. As a professional industrial refrigeration equipment brands, we provide high quality service, not only paying attention to service-oriented attitude, but more to service levels from the whole process of product selection, ordering to after-sales service. S&A always satisfies your requirements by "professional quality, hard service".