Ventilation System Of UV Violet Printer

It consists of a fan, an air duct, and a wind collecting hood. It should be noted here that the selection of the fan, the control of the air volume, and the way of exhausting air.

1. The selection of the fan should be determined according to the power of the UV lamp and the actual situation of the cabinet space. Generally, there are two fans for distribution of wind and induced draft, but there are also only one induced draft fan. Insufficient fan power and insufficient exhaust volume will cause the temperature in the cabinet to be too high, the life of the lamp tube will be shortened, and even the melting will make it difficult to guarantee the quality of the cured product. The UV lamp cannot work at full power, and the cured product is not easy to dry.

2. Air volume control means that the air volume of the UV curing device should be adjustable. This is because it is necessary to consider that the temperature difference between winter and summer is large, and many factories do not have a constant temperature workshop. Therefore, if the UV curing device works with the same air volume in winter and summer, it will definitely affect the quality of the product. Generally, two fans are controlled by a temperature control method. One fan is automatically started when a certain temperature is reached, and another fan is started when a certain temperature is reached. A flap valve is installed on the exhaust and air inlet to control the inlet. The amount of wind and exhaust.

3. The method of exhausting air refers to adopting the methods such as directing the air down and up or directing the air down. But in any way, do not blow the wind directly to the UV lamp, because the consequence of this is that the UV lamp cannot work at full power due to excessive heat loss (the light changes from white to unglare blue). The ink cannot be dried at all.