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Antifreeze method of laser tube for laser engraving machine

Source:www.taoguopin.com Time:2021-08-26 17:39 Viewed:

This year is colder than last year, in order to make their laser equipment can work normally, please protect the laser tube!

Winter is coming

At present, most northern cities in China have sub-zero temperatures, which is when water usually freezes. In order to avoid cooling fluid icing caused by laser tube crack resulting in pipe scrap, today to tell you about the laser tube antifreeze methods and solutions.

Laser engraving machine

The basic principle and method of antifreeze of laser tube:

As we all know, liquids have their own "freezing point", when the liquid temperature is lower than the "freezing point" temperature, the liquid will solidify to form a solid, and the laser tube coolant deionized water and pure water in the solidification process will grow in volume, this will "support bad" water cooling tube and sealing connection, causing damage to the laser tube.

Laser tube

In order to avoid damage of laser tube, output head and water cooler caused by solidification of cooling liquid, there are three solutions as follows:

1. If there is absolutely no power cut in the local area and the water cooler is not turned off when it does not work at night, at the same time, in order to achieve the purpose of energy saving, the temperature of low temperature and normal temperature water is adjusted to 5-10 ℃ to ensure that the coolant of the laser tube is in the circulating state and the temperature is not lower than the freezing point.

2. Empty the cooling liquid in the laser tube and the water cooler after each shutdown.

3. Use antifreeze as coolant.

When the use of laser machine often occurs in the environment of power failure or do not have the condition of draining coolant every day, it is necessary to use antifreeze to antifreeze. The base liquid of antifreeze is composed of alcohols and water, which will not corrode metal parts, rubber hoses and other laser machine accessories. When selecting or deploying antifreeze, the freezing point of antifreeze should be about 5℃ lower than the minimum temperature of the use environment.

1. Use ethanol as short-term antifreeze:

Such as electricity and can not empty the case of cooling water, the need for temporary short-term antifreeze, can be added in the deionized water or pure water ethanol (alcohol), the amount of addition can not exceed half of the tank volume. Because ethanol is highly corrosive, it cannot be used for a long time. Within a week, the ethanol mixture must be emptied and the cooling pipeline must be cleaned with pure water or deionized water. If antifreeze is still needed, special antifreeze must be selected.

2. Use specialized antifreeze of professional brands:

It is recommended to choose brand antifreeze. There are two types of antifreeze suitable for laser engraving machine system:

1) Antifrogenn glycol - water type (industrial supplies, toxic to human body);

2) Antifrogenl propylene glycol - water (food grade, harmless to humans). Both coolants are readily available for purchase.

Note: any antifreeze cannot completely replace deionized water and cannot be used continuously throughout the year.

After the winter must use deionized water or pure water to clean the pipeline that has used coolant, and restore the use of deionized water or pure water as the coolant of the laser pipeline.

Water cooling machine

If the working conditions or the environment permit, it is still recommended to improve the working electricity environment, keep the water cooler running continuously, or upgrade the design of cooling waterway, so that the cooling water can be simply and quickly drained every day.

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