Question 1

Can you use tap water in a laser chiller?

Accepted Answer

For short-term projects, tap water can be tried, but it is not recommended for long-term use. Tap water contains calcium, magnesium, impurities, and trace metal ions. Long-term circulation in the piping can cause scale buildup, reduced heat exchange efficiency, and blockage in the internal water channels of the laser.

This is especially critical for fiber lasers, which have very narrow cooling channels—any blockage can lead to high maintenance costs. It is recommended to use distilled or deionized water and regularly check water quality.

Question 2

What happens if a laser overheats?

Accepted Answer

A laser cutting machine generates a large amount of heat during operation. Without timely cooling by a chiller, its temperature rises quickly. Continuous high temperature accelerates aging of internal components and shortens the machine’s lifespan. Heat from the cutting point spreads rapidly to the surrounding material. Without assisted cooling during cutting, the material may deform from heat and the cut will become rough.

Question 3

How often should you maintain a laser chiller?

Accepted Answer

Perform basic inspections weekly and complete maintenance every 3 to 6 months. Check water levels, alarm records, blocked air outlets, and abnormal pump noise during weekly inspections. Every 3 to 6 months, replace the cooling water, clean condenser dust, check the water filter, and inspect joints for leaks. The exact maintenance frequency should be adjusted according to your installation environment and usage habits.

Question 4

Is water-cooled better than air-cooled for laser cutting?

Accepted Answer

Both types are suitable for different conditions, and neither is inherently better. Air-cooled chillers are easy to install and do not require a separate cooling water system, but their performance is highly affected by ambient temperature.

They are generally used for fiber lasers under 1000W in workshops below 35℃. Water-cooled chillers require a cooling tower and more complex installation, but they are suitable for high cooling demand scenarios. If your workshop’s ambient temperature is consistently above 40℃, water-cooled systems are recommended.

Question 5

Why do laser cutting machines generate so much heat?

Accepted Answer

A laser works by concentrating high energy. Electrical energy that is not converted into light is released as heat. Both CO2 and fiber laser cutting systems have less than 100% electro-optical efficiency, and the remaining energy becomes heat. CO2 lasers have conversion efficiency below 20%, generating even more heat.

Question 6

How does a laser chiller work?

Accepted Answer

The laser chiller connects to the laser cutting machine through two pipes, usually at the cooling port on the back or casing of the laser. Once you set the target temperature on the chiller, the system activates as soon as the laser temperature rises. The chiller compresses the refrigerant, lowering the coolant to the set value. The water pump circulates the coolant to the laser or components, absorbs heat, and returns it to the chiller’s evaporator for cooling, completing the cycle.

Question 7

Can you use DIY cooling for a laser cutting machine?

Accepted Answer

For low-power CO2 lasers, temporary cooling with an ice bucket and water pump may work. However, DIY cooling is not recommended for fiber lasers. Homemade systems cannot reliably control temperature and lack safety protections and alarms. Even if it seems fine at first, continuous operation will gradually increase water temperature during cutting, risking the laser and quality.

Question 8

Can one chiller cool two laser machines?

Accepted Answer

Yes, but the chiller’s capacity must be sufficient to handle the heat from both lasers. There are two common approaches: a single water circuit system, which is cheaper but allows water temperature to fluctuate between the two lasers, or a dual-circuit chiller with independently controlled loops for each laser. For high-precision operations, single-circuit cooling for multiple machines is not recommended.

Question 9

Is oversizing a laser chiller a problem?

Accepted Answer

When selecting a chiller, 20% to 50% extra capacity is usually allowed to handle high temperature and heavy load conditions. However, excessive oversizing can cause frequent compressor start-stop cycles, temperature fluctuations, and increased energy consumption.

반도체 칠러

산업용 칠러

동적온도조절

가스 칠러

자동차실험 온도조절기

직팽식 칠러

TCU온도 제어 장치

가열 순환 장치

산업용 냉동고

환경 시험 챔버

회사소개

영상

반도체 FAB

반도체 패키징·테스트

원료의약품·중간체

바이오의약

신소재·특수 가스

항공우주 소재·시험

마이크로채널·튜브 반응기

수소 에너지 산업

신에너지 산업

증류·농축

화학 매체 냉각

초저온 소재

블로그

LNEYA의 제품 선정, 장점, 그리고 냉각기 산업에 관한 정보

blog - LNEYA Thermo Refrigeration Co.,Ltd

Why Laser Cutting Machine Need a Chiller?

How Does a Plate Heat Exchanger Work

Chiller Temperature Range: What Temperature Should a Chiller Be

Ultimate Guide to Chiller Fluids: Water, Glycol, Oil & More

Scroll Chiller vs Screw Chiller：How to Choose the Right One？

Comprehensive Guide to Industrial Chillers

Industrial Chiller Maintenance You Should Know

Why Is Temperature Cycling Testing Performed On Chips?

What Are The Differences Between A Chiller And A Cooling Tower?

Glycol Chiller VS Water Chiller — Which Is A Better Choice