The importance of cooling water tank for UV laser marking machine

Water is to water-cooled laser marking machine as blood is to people. When the cooling water of the laser marking machine is not pure and contains impurities, it is like a person suffering from leukemia. The following takes the ultraviolet laser marking machine as an example to explain the effect of cooling water on the laser marking machine.

UV laser marking machine

The cooling water of the laser marking machine is mainly to cool the cavity and Q head of the laser marking machine.

First of all, let's explain the effect of water on the cavity. Because there are krypton lamps and laser rods in the cavity, the krypton lamps work through 220V alternating current. Krypton lamp is the light source of laser marking machine. The operating temperature is quite high. If the krypton lamp does not have cooling water for a moment when it is working. Then there will be a krypton lamp explosion accident.

Generally, the explosion of the lamp occurs in the absence of water, which is very serious. Basically, the things in the cavity, such as laser rods and glass tubes, are blown to pieces. In this case, thousands of dollars or even tens of thousands of dollars will be damaged. Therefore, when turning on the light, we must pay attention to the return water in the circulating water of the laser marking machine must be unblocked before the light can be lighted.

If the laser marking machine explodes when there is water to cool the cavity, it is generally caused by the aging of the krypton lamp. The frying lights found in such situations are generally mild. Because in the presence of water, the water for frying the lamp has a great buffering force for the impact of frying the lamp, that is, the force generated when frying the lamp is greatly reduced under the condition of water cooling.

UV laser marking machine

Let's talk about the effect of cooling water on the Q head. The Q head is a component that processes the laser. The temperature at work is also a bit high. Generally, a moment of waterless work will not cause a burnout failure for the Q head. But if the Q head works without water for a long time (usually within 3 seconds), then the Q head is also easy to burn out. If the Q head is burnt out, it is also a loss of several thousand yuan.

Secondly, let's talk about the impact of impure cooling water on the laser marking machine. The cooling water is impure, which means that the cooling water has sediment after being used for a long time, or there are other things in the water tank due to improper protection. Let’s talk about the sediment of cooling water first. It is generally recommended that the cooling water of laser marking machine use distilled water or pure water, but many customers use mineral water. Mineral water contains a variety of minerals that will slowly precipitate a substance when used for a long time. If this substance is too much in the refrigeration system, because the water has to pass through the krypton lamp and the laser rod and the Q head.

If the water quality is not good, it will form a surrounding circle for the laser rod, krypton lamp and Q head. When the surface deposits of the krypton lamp and the laser rod are too much, the intensity of the laser must be greatly affected. Because the laser is refracted in the cavity and emitted through the laser rod. The cleaner the cavity, the better the light intensity. But the quality of the laser is not only determined by one part of the cavity. Let's take a look at the fact that if the sediment accumulates in the Q head, it will cause a water blockage in the Q head. In this way, the Q head is easy to burn out.

Ultraviolet Laser Marking Machine

Z Later, see if there are impurities such as small plastics, iron filings, etc. in the cooling water. Because the pressure of the water pump of the water tank is very large, and some manufacturers design the water tank to design the water inlet under the water tank Z, then once any impurities fall into the water tank, it is likely to be flushed by the pump into the cavity or even the water tank. Inside the Q head. Usually inside the cavity. If impurities are flushed into the cavity. The internal structure of the cavity is also very small. When impurities pass through, they may be stuck in the cavity, resulting in insufficient water supply or no water in the cavity.

Because some manufacturers design water protection to install it on the pump. So as long as the water pump works, the laser power supply can light the light. And in the case of impurity blocking water and water protection is installed on the pump. At this time, it is very likely that the lamp will explode. Then this bombing lamp is the same as the situation mentioned above. Therefore, the cooling water must be clean and free of impurities.

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