If the laser tube is used for a long time, the scale will occur, and the heat dissipation efficiency will be reduced, which will cause the laser tube power to drop. In particular, some users use tap water as cooling water, the scale is becoming more and more serious. The relatively safe cleaning method is: use citric acid mixed with warm water, and then use the syringe to soak in the tube for more than half an hour to remove most of the scale. More dust can be used 1% share of hydrofluoric acid immersion for less than half an hour, this method must pay attention to safety protection.
Another day a laser reminds you: at least use barreled pure water grade water as cooling water.
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