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What are the steps to protect the lens of the laser cutting machine?

What are the steps to protect the lens of the laser cutting machine?

 

Three steps to choose the protective lens of laser cutting machine:
1) The shape and size match, this is easy to understand;
2) Material, according to different laser power, considering the cost of use, you can choose K9, quartz, in the actual application process, professional manufacturers divide these two types of materials into multiple grades, customers can choose the corresponding specifications according to actual needs.
3) Coating, laser anti-reflection coating, adopt different coating technical parameters according to the use environment.
Although the protective lens of the laser cutting machine is a wearing part, in order to improve its utilization rate and reduce production costs, the protective lens can be cleaned regularly to achieve the purpose of reuse. The following are the three cleaning steps summarized by the high-energy laser:
1. The protective lens material is ZnSe (zinc arsenic), which is relatively brittle and afraid of falling; pay attention to when disassembling: do not use excessive force and do not collide with hard objects. There is an antireflection coating on the surface, which is afraid of pollution, humidity, oiliness, and scratching; therefore, it is required to provide dry and degreased air in the work. Never handle the laser cutting machine directly to protect the lens of the lens because of skin oil Will cause permanent damage to the lens surface. On the contrary, you can wear gloves and its special set for operation. For smaller lenses, it is more convenient to use optical tweezers or vacuum tweezers. No matter what method is used to clamp the laser cutting machine to protect the lens, it can only be clamped along the non-optical surface, such as the frosted edge of the mirror plaque.
2. Under normal circumstances, it is necessary to check the protection of the lens of the laser cutting machine before use and before and after cleaning. Because the size of most contaminants and surface defects is relatively small, we often need to use magnifying equipment when inspecting lenses. In addition to the magnifying equipment, sometimes we need to illuminate the optical surface with a relatively bright light to enhance the specular reflection intensity of surface contaminants and defects, so that the contaminants and defects can be more easily found.

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