Antifreeze method for laser cutting machine in winter

by:VENTECH     2021-12-17


The weather is getting colder and colder. What impact does the cold winter have on laser cutting opportunities? Today, Hongte laser cutting machine manufacturers will introduce in detail the antifreeze methods of laser cutting machines in winter.



Method: After the laser cutting machine is not working, do not turn off the chiller (suitable for non-cold areas)



After the laser cutting machine is not working, in order to ensure that the power supply is not cut off (except for power failure), do not turn off the chiller to keep the refrigerant circulating and in the same state. Time, the normal temperature can be adjusted to about 10C. In this way, the coolant temperature cannot reach the freezing point, so the laser cutting machine will not be damaged.



Method: Discharge the coolant in the laser cutting machine (suitable for long holidays)



Drain the coolant in each part of the equipment through the water outlet of the laser cutting machine, and inject pure gas to ensure that there is no coolant in the entire circulating water cooling system, so that the machine will not damage the laser cutting at low temperatures.



Method: Add antifreeze to the laser cutting machine (suitable for indoor freezing cold areas)



Add antifreeze to the equipment, but you should choose a reputable antifreeze, otherwise the antifreeze will contain impurities, and sticking to the laser tube and other components will also damage the equipment. Messer recommends the use of Clariant’s Antifrogen N antifreeze at a ratio of 3:7 (3 is antifreeze and 7 is water). After adding the antifreeze, it can resist -20 without freezing.



It should be noted that after adding antifreeze, it can only ensure that the water will not freeze at -20C, but it cannot be said that the water cooler can work normally at very cold temperatures. The normal working temperature of our water cooler should be higher than 5. The cold start temperature must be higher than 10C.



Special reminder: No antifreeze can completely replace deionized water and cannot be used for a long time. After winter, deionized water or purified water should be used to clean the pipes, and deionized water or purified water should be used as the refrigerant.



Extreme cold weather may cause irreparable damage to the optical components of the laser. Remind you that the laser should be stored and used strictly in accordance with the storage temperature and working temperature specified in the laser manual to avoid trouble.


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