TEYU CWFL Series: The Cooling Power Behind Today’s High-Power Fiber Lasers

As laser manufacturing moves toward higher power and higher precision, temperature control has become a crucial factor that directly impacts laser performance, stability, and lifetime. TEYU's CWFL Series Fiber Laser Chillers were created for exactly this purpose — delivering reliable cooling for fiber lasers ranging from 1kW all the way to 240kW.

Full Power Coverage for Any Fiber Laser
Whether you're running a compact micromachining system or a 30kW+ industrial cutting line, the CWFL Series covers the entire power range. The unified design ensures consistent performance, easy integration, and compatibility with major global fiber laser brands.

Dual Temperature Control for Maximum Stability
The CWFL Series features a dual-loop design:
High-temperature loop for laser heads
Low-temperature loop for the laser source
This ensures each component operates in its ideal temperature range, keeping the beam stable and reducing thermal drift during long shifts.

Smart Temperature Modes
You can choose between:
Intelligent mode — automatically adjusts based on ambient temperature to prevent condensation
Constant mode — fixed temperature for specialized processes
This flexibility allows the chiller to adapt to nearly any industrial environment.

Industrial-Grade Protection & Communication
Models above CWFL-3000 support ModBus-485, enabling remote monitoring, data exchange, alarms, and automation integration. Multiple built-in protections ensure safe, continuous operation even under heavy workloads.

From Mid-Power to Ultra-High-Power
TEYU provides tailored models for different power levels:
1kW–2kW compact chillers with ±0.5°C accuracy
3kW–12kW chillers built for continuous industrial operation
20kW–120kW chillers featuring large tanks, strong pumps, and eco-friendly refrigerants

A New Milestone: The 240kW CWFL-240000
In 2025, TEYU released the 240kW CWFL-240000 — a major global breakthrough in high-power laser cooling. It supports ultra-high-power laser systems with smart adaptive cooling, improved heat exchange efficiency, and full ModBus-485 connectivity.
This product earned the OFweek 2025 Innovation Award for its technical achievements.

Built for Every Industry
The CWFL Series is trusted in:
Metal cutting
Automotive welding
Aerospace
Shipbuilding
Rail equipment manufacturing
From thin-sheet precision cutting to heavy-duty thick-plate operations, TEYU keeps laser systems stable and productive.

Cooling That Powers the Future
From kilowatt-level precision to 240kW industrial giants, TEYU CWFL chillers ensure every laser operates at peak performance. TEYU continues to innovate toward higher power, higher precision, and higher efficiency manufacturing.

Source: https://www.teyuchiller.com/teyu-cwfl-series-fiber-laser-chillers-ensure-stable-cooling-for-high-power-laser-systems.html

What Is a Precision Chiller?

1. What is a precision chiller and how does it work?

Q1: What exactly is a "precision chiller"?
A precision chiller is a cooling system designed to maintain a very stable and tightly controlled fluid (often water or glycol) outlet temperature with minimal variation (for example ±0.1 °C), suitable for applications where temperature drift must be avoided. For example, TEYU's 0.1°C Precision Chiller series offers stability of ±0.08°C to ±0.1°C with advanced PID control systems.

Q2: How does the precision chiller differ from a standard industrial chiller?
While both are refrigeration-based systems that remove heat from a process fluid, precision chillers emphasize temperature stability, tight control, rapid response to load changes, low drift over time, and often feature higher quality components (sensors, PID controllers, flow regulation) than standard industrial chillers which may tolerate wider temperature swings and less stringent control.

Q3: What is the working principle of a precision chiller?
A typical working principle (vapor-compression cycle) common to chillers also applies, but with additional design choices for precision:
A refrigerant circulates via compressor → condenser → expansion valve → evaporator, absorbing heat from the process fluid and rejecting it to air or water.
The process fluid (e.g., water) is actively circulated through a heat-exchanger or evaporator surface; the chiller reduces its temperature to the setpoint.
A closed-loop or well-controlled loop ensures minimal external influence, and PID (proportional–integral–derivative) control and temperature sensors monitor and maintain the fluid at a tightly controlled setpoint (e.g., ±0.1 °C).

The circulation pump, piping, and external connections must be designed so that flow rate, heat load and system stability are maintained; drift from sensor error, ambient fluctuations or load changes must be compensated.

Q: Why is ±0.1 °C stability important, and how is it achieved?

In many high-precision manufacturing, laser, semiconductor, analytical laboratory, or optics test applications, even small fluctuations in cooling fluid temperature can translate into dimensional drift, focus error, wavelength shifts or process instability. Achieving ±0.1 °C (or better) stability is achieved by:

* High-accuracy sensors

* PID control algorithms

* Good insulation and minimal heat gain from the ambient

* Stable flow rate and minimal turbulence

A well-designed refrigeration loop with minimal thermal inertia and rapid response to changes.

TEYU precision chiller line offers ±0.08 °C to ±0.1 °C stability.

2. What are the main application fields for precision chillers?

Q: Which industries use precision chillers?

Precision chillers are used anywhere where equipment or processes require very stable cooling or temperature control. Typical fields include:

Laser systems (ultrafast, UV, fiber lasers) – TEYU precision chiller series is designed for ultrafast and UV lasers, semiconductors and lab systems.

Semiconductor manufacturing and test – where thermal stability is critical for process accuracy.

Optics, spectroscopy, and metrology equipment – e.g., in research labs where drift must be minimized.

Analytical and laboratory systems (mass spectrometers, chromatography, microscopes) – cooling circuits that must remain stable.

CNC machining or high-precision manufacturing – where tool, spindle, or coolant temperature must not fluctuate, to avoid thermal expansion or dimensional error.

Medical imaging or device cooling – equipment that generates heat and must be cooled very precisely.

Cleanroom or photonics environments – where temperature stability is a component of process stability.

Q: What makes precision chillers especially suited versus general industrial process chillers in these applications?

Because these applications demand:

* Very tight temperature stability (often ±0.1 °C or better)

* Low temperature drift over time or load changes

* Rapid recovery from thermal disturbances

Clean and reliable operation (minimal contamination, stable flow, minimal vibration)

Thus, a precision chiller is designed and built with enhanced components and controls.

Source: https://www.teyuchiller.com/what-is-a-precision-chiller-working-principle-applications-and-maintenance-tips.html

How to Solve CNC Spindle Overheating Problems?

In high-speed, high-precision machining, the spindle of a CNC machine operates like its "heart." Its stability directly determines machining accuracy and product quality. However, overheating, often described as the spindle's "fever", is a common and serious issue. Excessive spindle temperature can trigger alarms, halt production, damage bearings, and cause permanent accuracy loss, leading to significant downtime and costs.

So, how can we effectively diagnose and solve spindle overheating?

1. Accurate Diagnosis: Identify the Source of Heat

Before applying cooling measures, it's essential to find the real cause of overheating. Spindle temperature rise generally results from four major factors:

(1) Excessive internal heat generation

Overtight bearing preload: Improper adjustment during assembly or repair increases bearing friction and heat generation.

Poor lubrication: Insufficient or degraded lubricants fail to form an effective oil film, causing dry friction and high thermal buildup.

(2) Insufficient external cooling
This is the most common and most overlooked reason.

Weak or missing cooling system: Built-in cooling units in many CNC machines are not designed for continuous, high-load operation.

Cooling system malfunction: Long-term neglect of the industrial chiller leads to blocked pipelines, low coolant levels, or reduced pump/compressor efficiency, preventing effective heat removal.

(3) Abnormal mechanical condition

Bearing wear or damage: Fatigue or contamination causes pitting and vibration, increasing heat.

Unbalanced spindle rotation: Tool imbalance leads to strong vibration, and that mechanical energy converts into heat.

2. Targeted Solutions: A Comprehensive Cooling Strategy

To completely eliminate spindle overheating, a multi-level solution covering internal adjustments, external cooling, and preventive maintenance is required.

Step 1: Optimize Internal Conditions (Root Cause Control)

Adjust bearing preload precisely: Use specialized tools to ensure preload matches manufacturer standards.

Establish a proper lubrication plan: Use high-quality lubricants in the right quantity and change them periodically.

Step 2: Strengthen External Cooling (Core Solution)

The most effective and direct way to maintain spindle temperature stability is to equip the machine with a dedicated spindle chiller—essentially a "smart air conditioner" for your CNC system.

Recommended Cooling Solutions from TEYU Chiller Manufacturer:

For general machining, The TEYU CW-3000 spindle chiller offers efficient air-cooled heat dissipation. It's a cost-effective option to keep the spindle within safe temperature limits during standard machining operations.

For high-precision or ultra-high-speed machining: The TEYU CW-5000 chiller and higher series feature intelligent temperature control with ±0.3℃~±1°C accuracy, ensuring the spindle operates at a constant, optimal temperature. This precision eliminates thermal expansion and contraction, protecting both spindle accuracy and bearing life.

Step 3: Enhance Monitoring and Maintenance (Prevention)

Daily checks: Before startup, touch the spindle housing and listen for abnormal noise or heat.

Regular maintenance: Clean the chiller filters, replace coolant periodically, and keep both the CNC machine and chiller in top working condition.

Conclusion

By applying these comprehensive measures: precise diagnosis, optimized lubrication, professional cooling, and regular maintenance, you can effectively "cool down" your CNC spindle and maintain its long-term precision and stability.
With a TEYU spindle chiller as part of your setup, your CNC machine's "heart" will stay strong, efficient, and ready for continuous high-performance operation.

Source: https://www.teyuchiller.com/how-to-solve-cnc-spindle-overheating-problems.html

Technology Trends in the Handheld Laser Welding Market

 As Industry 4.0 merges with advanced welding technology, a new wave of manufacturing efficiency is unfolding worldwide. Handheld laser welding has become one of the key enablers of smart and digital manufacturing, offering precision, flexibility, and sustainability. From automotive and aerospace to consumer electronics and new energy equipment, this technology is reshaping production lines and driving industries toward higher efficiency, intelligence, and environmental responsibility.

By 2025, the global handheld laser welding market has developed a clear regional structure: China leads in large-scale adoption and industrial integration, Europe and the United States focus on high-value, high-precision applications, while emerging markets such as Southeast Asia, Latin America, and the Middle East show the fastest growth potential.

Regional Market Landscape: Competition and Differentiation

Asia – Scaled Manufacturing and Rapid Adoption
China has become the global center of handheld laser welding production and consumption. Supported by favorable policies, cost efficiency, and a mature supply chain, adoption is accelerating across small and medium-sized enterprises. Meanwhile, Southeast Asian countries such as Vietnam and India are experiencing rising demand driven by industrial relocation and manufacturing upgrades, particularly in electronics and automotive parts. The Asian market, centered on China, is now the world's fastest-growing hub for handheld laser welding technology.

Europe & North America – Precision and Automation Focus
In Western markets, handheld laser welders are defined by high precision, high power, and strong automation capabilities, commonly applied in aerospace, automotive, and advanced fabrication sectors. Though adoption rates grow more moderately due to higher costs and technical barriers, environmental regulations and carbon reduction policies are accelerating the transition toward laser-based processes. Leading companies such as Trumpf and IPG Photonics are introducing AI-powered welding systems capable of real-time process monitoring and adaptive control—paving the way for smart welding ecosystems.

Emerging Regions – Infrastructure and OEM Growth
In Latin America, particularly Mexico and Brazil, automotive production has spurred demand for handheld welding in body repair and component joining. Across the Middle East and Africa, expanding infrastructure projects are creating opportunities for low-power, portable handheld laser welders, favored for their efficiency and adaptability in environments with limited power access.

Technology Trends: From Tools to Intelligent Ecosystems

1. AI-Driven Welding Intelligence
Next-generation handheld welders are increasingly equipped with vision recognition, adaptive control, and real-time AI analysis of weld seams and molten pools. These systems automatically optimize power, speed, and focus parameters—reducing defects and improving consistency. According to the International Federation of Robotics (IFR), over 4.28 million robots were operating in global factories in 2024, with a significant share dedicated to welding automation, underscoring the growing synergy between AI and laser processing.

2. Green Efficiency and Low-Carbon Innovation
Compared with traditional arc welding, handheld laser welding features lower energy consumption, smaller heat-affected zones, and zero fume emissions—making it a sustainable choice for carbon reduction goals. As global regulations such as the EU Carbon Border Adjustment Mechanism (CBAM) tighten, manufacturers are rapidly adopting energy-efficient laser welding to replace high-emission methods.
To support this shift, TEYU's handheld laser welding chillers ensure precise temperature control and stable laser performance, helping welding systems maintain peak efficiency while reducing energy loss and prolonging component lifespan—perfectly aligning with global green manufacturing trends.

3. System Integration and Smart Connectivity
Handheld laser welding is evolving beyond a standalone tool into a connected manufacturing node. Integrated with robotic arms, MES systems, and digital twin simulations, modern welding setups enable real-time monitoring, traceability, and predictive maintenance—forming an intelligent, collaborative welding ecosystem.
TEYU's intelligent chillers further complement this ecosystem with RS-485 communication, multi-alarm protection, and adaptive temperature modes—ensuring reliable cooling performance even in fully automated welding lines.

Source: https://www.teyuchiller.com/global-landscape-and-technology-trends-in-the-handheld-laser-welding-market.html

Industrial Chiller Water Maintenance Tips for Better Cooling Efficiency

In industrial cooling systems, water quality maintenance plays a vital role in ensuring stable and efficient operation. Clean cooling water not only extends the service life of equipment but also enhances productivity and reduces maintenance costs. As extended holidays approach, such as National Day, planning proper industrial chiller water maintenance becomes even more important to prevent downtime issues when production resumes.

Why Regular Water Replacement Matters

1. Protecting the Laser Source
For laser equipment, stable temperature control directly affects production quality. Poor water quality reduces heat transfer efficiency, causing the laser source to overheat, lose power, and even become damaged. Regularly replacing cooling water helps maintain proper flow and efficient heat dissipation, keeping the laser operating at peak performance.

2. Ensuring Accurate Flow Sensor Performance
Contaminated water often carries impurities and microorganisms that can accumulate on flow sensors, disrupting accurate readings and triggering system faults. Fresh, clean water keeps sensors sensitive and reliable, ensuring consistent chiller performance and effective temperature regulation.

Recommended Water Maintenance Before Long Holidays

1. Replace Cooling Water in Advance

If your equipment will be idle for 3–5 days, it's best to replace the cooling water beforehand. Fresh water minimizes bacterial growth, scale buildup, and pipe blockages. When replacing water, thoroughly clean the system's internal piping before refilling with new distilled or purified water.

2. Drain Water for Extended Shutdowns

If your system will be idle for more than a week, drain all water before shutdown. This prevents stagnant water from fostering microbial growth or clogging pipes. Make sure the entire system is fully emptied to maintain a clean internal environment.

3. Refill and Inspect After the Holiday

Once operations resume, check the cooling system for leaks and refill it with distilled or purified water to restore optimal operation.

Daily Water Quality Maintenance Tips

Keep the Cooling Circuit Clean: Regularly flush the system to remove scale, impurities, and biofilm. Replace cooling water approximately every three months to maintain system hygiene and efficiency.

Use the Right Type of Water: Always use distilled or purified water. Avoid tap water and mineral water, which can accelerate scaling and microbial growth.

Maintaining proper water quality is one of the simplest yet most effective ways to protect your industrial chiller and laser equipment. By following these guidelines, especially before and after long holidays, you can extend equipment lifespan, stabilize cooling performance, and ensure your production runs smoothly year-round.

Source: https://www.teyuchiller.com/industrial-chiller-water-maintenance-tips-for-better-cooling-efficiency.html

Industrial Chiller Buying Guide: How to Choose a Reliable Chiller Manufacturer

In modern industrial production, an industrial chiller is essential for maintaining temperature stability in processes such as laser cutting, plastic molding, electronic manufacturing, and electroplating. A high-performance chiller ensures precision, efficiency, and equipment longevity. However, with so many chiller manufacturers in the market, finding a trustworthy partner can be challenging. This guide explains how to choose the right chiller and manufacturer for your business.

1. Choose by Performance and Application
A reliable industrial chiller provides stable operation and strong cooling efficiency. Its key components, like the compressor, water pump, evaporator, fan, and controller, directly impact performance and energy efficiency.

Different industries require specific cooling features:
Plastic & Electronics: Maintain mold temperature for shorter cycles and higher-quality products; stabilize molecular structures in electronic components for better yield rates.
Electroplating & Machinery: Control plating temperature to improve surface finish and density; regulate hydraulic oil temperature to extend oil life, enhance lubrication, and reduce wear.

2. Select a Manufacturer with Proven Strength
When purchasing an industrial chiller, the manufacturer’s overall capability is the foundation of reliability—covering production scale, quality management, product range, and after-sales service.
TEYU (Guangzhou Teyu Mechatronics Co., Ltd.), founded in 2002, is a leading chiller manufacturer specializing in R&D and production of industrial chillers. With 66 national patents, six automated production lines, and an annual output exceeding 200,000 units in 2024, TEYU operates a 50,000㎡ modern manufacturing base.
All core components, including sheet metal, heat exchangers, and assemblies, are independently developed and produced. TEYU implements ISO-certified production management and modularized manufacturing, ensuring over 80% standardized parts for consistent quality and reliability.

3. Five Key Factors for Selecting a Chiller Manufacturer
Production Scale: Large-scale factories with mature production systems guarantee stable product performance.
R&D Capability: Strong innovation and technical teams develop chillers that adapt to evolving industrial needs.
Product Testing: Comprehensive inspection ensures product quality and operational safety.
Product Range: A full series of models can meet diverse industrial cooling requirements.
After-sales Service: Fast, professional technical support minimizes downtime—TEYU provides fast global service.

4. Core Considerations When Choosing an Industrial Chiller
Performance & Stability: Ensure the chiller meets cooling capacity, precision (±0.1°C–±1°C), and system pressure requirements, with corrosion and leakage protection.
Energy Efficiency: Select energy-saving designs with optimal performance-to-cost ratios.
Environmental Compatibility: Consider ambient temperature and noise requirements; for quiet environments, choose a water-cooled chiller.
Brand Support: Opt for established chiller brands offering comprehensive warranties and responsive support.

TEYU Chillers – Your Reliable Cooling Partner
With over 23 years of experience, TEYU has built a strong reputation for producing industrial chillers that are precise, efficient, and intelligent. The TEYU and S&A brands are trusted worldwide, serving industries such as fiber laser, CO₂ laser, UV laser, ultrafast laser, and spindle cooling.
Every TEYU chiller delivers accurate temperature control, stable performance, and easy system integration, supported by responsive global after-sales service.
Choosing TEYU means choosing reliability and confidence. We provide stable, energy-efficient cooling solutions to boost your equipment performance and operational efficiency.

Source: https://www.teyuchiller.com/industrial-chiller-buying-guide-how-to-choose-a-reliable-chiller-manufacturer.html

TEYU Industrial Chillers Support Partner Exhibits at CIIF 2025

At the China International Industry Fair (CIIF) 2025, TEYU industrial chillers once again demonstrated their reliability and performance. Multiple partner companies chose TEYU's industrial chillers to cool their exhibited equipment, proving the trust that leading manufacturers place in our cooling solutions.

As one of the largest industrial exhibitions in Asia, CIIF gathers global innovators in laser, CNC, additive manufacturing, and other advanced industries. Stable cooling is essential to ensure that high-precision equipment runs smoothly throughout the exhibition. By providing consistent and efficient temperature control, TEYU industrial chillers helped our partners showcase their technologies without risk of overheating or downtime.

Why TEYU Chillers Earn Industry Trust?
With over 23 years of experience in industrial cooling, TEYU has become a trusted brand for laser and industrial users worldwide. Our chillers are designed with:
High stability – precise temperature control to protect sensitive laser and machining systems.
Energy efficiency – optimized performance that reduces operating costs.
Comprehensive protection – intelligent alarms and safeguards to prevent equipment damage.
Proven reliability – widely applied in global exhibitions and demanding industrial environments.

A Reliable Partner for Global Exhibitors and Manufacturers
The wide adoption of TEYU industrial chillers at CIIF 2025 highlights not only our product quality but also our strong reputation as a reliable partner. Whether it is fiber laser cutting, welding, marking, 3D printing, or CNC machining, TEYU provides tailored cooling solutions to keep your systems operating at peak performance.
For businesses looking to ensure stable and efficient equipment operation, TEYU industrial chillers are a trusted choice backed by long-term expertise, global service, and a strong record of customer satisfaction.

Source: https://www.teyuchiller.com/teyu-industrial-chillers-support-partner-exhibits-at-ciif-2025.html