In laser and manufacturing industries, a suitable cooling system can greatly boost the life span and the precision of the machines, making the best of them. In order to achieve that, it is very important to choose the right UV laser chiller. Here are some tips:
Matching cooling capacity
Cooling capacity, known from its name, is the real capacity of cooling down a system. It is an indicator of choosing laser equipment. The cooling capacity of a UV laser chiller must outstrip the heat from the machine that need to be cooled down. Generally, we can calculate the heat based on the photoelectric conversion efficiency. Then we can determine the cooling capacity in a way that use input rating power of the laser to subtract the output power.
Matching water flow
Water flow must conform to requirements. Different flow affects the accuracy. Cooling capacity means the refrigeration capacity that a compressor can provide, whereas water flow stands for the capacity of a chiller to remove heat. That causes a commonly-seen phenomenon: a chiller with a nominated 1000w cooling capacity connects with a glass tube of 80w. The chiller display shows 25 ℃, but the laser tube gives off too much heat. It is something to do with the water flow.
The mode of temperature control matching with accuracy
Different temperature control mode and accuracy determine that whether a chiller is suitable for working. Such determination totally depends on the laser. For semi-conductor laser, the control accuracy has to be ±0.1℃. It requires the compressor can perceive the temperature variation of the load and adapt to such changes. Usually, that can not be achieved by an integrated temperature control module. For CO2 laser, however, it requires the temperature accuracy to be ±2℃ to ±5℃, which common chillers can achieve that.
Above are a few suggestions on choosing a right laser chiller. Please feel free to contact us if you have any further question.