There are many common parts of fiber laser cutting machine, which can be replaced according to the use time and loss.Many processing manufacturers in order to ensure production efficiency, generally will prepare a lot of accessories, to ensure the normal operation of the fiber laser cutting machine, in case of emergency. Accessories need to be replaced frequently, because the use of fiber laser cutting machine, will cause some accessories loss, we introduce these accessories to you.
1. Reflection lens: in a typical laser system, there may be only one or two transmission optical elements, which are usually used as the output mirror of the laser cavity and the focus lens at the end. On the other hand, in some other laser systems, there may be five or more reflective lenses. The reflective lens is used as the tail mirror and the refractive mirror for the beam steering in the laser cavity and in the beam transmission system.
2. Beam expanding lens: beam expanding lens is a lens assembly that can change the diameter and divergence Angle of laser beam.
3. Protective lens: the main function of laser protective lens is to prevent debris splash, prevent splash damage to the lens, and coat both sides with anti-reflection film with high damage threshold to reduce reflection. (the replacement time cycle of these lenses is generally about 3 months, which is more determined by the actual processing situation).
4. Copper nozzle: it can help gas spewing out quickly and effectively prevent sundries such as melting stains from bouncing up, thus protecting the focusing mirror. At the same time, it can control the area and size of gas diffusion, which will affect the cutting quality of laser cutting machine. At the same time, the diameter of the nozzle will vary according to the thickness of the cutting material. The replacement period is about two months.
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