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Views: 35 Author: Site Editor Publish Time: 05-31-2021 Origin: Site
01 Situation of the Laser Source without Air conditioner
If the laser used does not contain an air conditioner and is exposed to the working environment. Once the coolant temperature is lower than the dew point temperature of the environment inside the laser, moisture will be deposited on the electrical and optical modules. At this time, if no measures are taken, the outer surface of the laser will start to follow the dew. Therefore, once you see condensation on the laser housing, it means that the internal environment has condensation. The work must be stopped immediately and the working environment of the laser must be improved immediately. The solution is to configure an independent air-conditioned room for the laser.
→→Condensation inside the laser source without air conditioning
→→Condensation inside and outside the laser source without air conditioning
Note: The laser source cooling water temperature must be set above the dew point temperature of the most severe operating environment.
02 Situation of the Laser Source with Air conditioner
When using a laser with its own air conditioner and exposed to the working environment, the cooling and dehumidification effect of the air conditioner will greatly reduce the dew point temperature of the environment inside the laser. Generally, the refrigeration temperature of the industrial air conditioner is set to be the same as the cooling water temperature.
When the ambient temperature is lower than 38℃: The industrial air conditioner can maintain the safety of the environment inside the laser, but there may be condensation on the surface of the laser housing. If condensation does not form flowing water droplets, it is safe. If there are a large number of flowing water droplets and there are obvious water stains on the ground around the laser, a safe non-condensing working environment must be established for the air-conditioned laser.
When the ambient temperature is higher than 38°C: The cooling capacity of the industrial air conditioner is not enough to maintain the safety of the laser's internal environment, and condensation in the internal environment will still occur. Over time, the external environment will also follow the condensation. Therefore, there should be no obvious heat source around the laser, and the hot air outlet of the water cooler should not face the laser.
→→Condensation in the environment of the laser source with air conditioning
→→Condensation in the internal and external environment of the laser source with air-conditioning
Note: In order to eliminate the risk of environmental condensation in the laser source, it is recommended to configure an independent air-conditioned room for the laser.
03 Situation of the Laser Cutting Head
The processing is abnormal when the season changes or the temperature changes greatly on the day. You can check whether there is environmental condensation in the processing head.
Condensation can cause serious damage to the optical lens:
1. The cooling temperature is lower than the ambient dew point temperature, which will cause condensation on the inner wall of the processing head and the optical lens.
2. The use of auxiliary gas lower than the ambient dew point temperature will cause rapid condensation of the optical lens.
It is recommended to add an evaporator between the gas source and the processing head to keep the gas temperature close to the ambient temperature to reduce the risk of condensation.
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