The fiber laser protective window is a relatively precise optical component. The fiber laser protective window is very important for the laser cutting machine. Its cleanliness directly affects the processing performance and quality of the laser cutting machine. If the fiber laser protective window is not properly selected, it will cause large laser loss, frequent damage to the protective lens, unstable product quality, and even cause serious losses to the enterprise. Although the fiber laser protective window is a vulnerable part, in order to improve its utilization rate and reduce production costs, it can be cleaned and protected regularly to achieve the purpose of reuse. Therefore, the fiber laser protective window should be maintained frequently.
(1) Pay attention when disassembling and installing the fiber laser protective window: Don't use too much force, and don't collide it with hard objects. There is an antireflection film on the surface, which is vulnerable to pollution, humidity, oiliness, and scratching; therefore, it is required to provide dry and degreasing air during work. Do not directly handle the fiber laser protective window by hand, because skin oil will cause permanent damage to the surface.
(2) Under normal circumstances, it is necessary to check the condition of the fiber laser protective window before use and before and after cleaning. Because most contaminants and surface defects are relatively small in size, we often need to use magnifying equipment when inspecting fiber laser protective windows. In addition to magnifying equipment, sometimes we also need to illuminate the optical surface with a relatively bright light to enhance the intensity of specular reflection of surface contaminants and defects, so that contaminants and defects can be found more easily.
(3) The fiber laser protective window is a consumable product. When the cleanliness is still not high after it being cleaned for many times, please replace it to ensure the processing efficiency of the laser cutting machine, so as not to delay production.