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The focusing principle of the laser die cutting machine
By Esperanza  2018-09-30
laser die cutting machine, die cutting,

The convex lens is made according to the principle of light refraction for the laser die cutting machine. The convex lens is a lens with a thick center and a thin edge for the laser die cutting machine.. The convex lens is divided into a form of biconvex, plano-convex and concave-convex (or positive meniscus) for the laser die cutting mchine.  

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The convex lens has a converging effect, which is also called a collecting lens. The thick convex lens has a long-distance, converging effect, etc., for the laser die cutting machine. which is related to the thickness of the lens for the laser die cutting machine.

 

Parallel rays (such as sunlight) are incident on the convex lens in parallel with the main optical axis (the line connecting the centers of the two spherical surfaces of the convex lens)for laser die cutting machine and the light is concentrated on the axis after being refracted twice on both sides of the lens. The upper point is called the focal point of the convex lens (marked as F, English is: focus) for the laser die cutting machine. The convex lens has a solid focus on both sides of the mirror for the laser die cutting machine

 

For a thin lens, the distance between the two focal points to the center of the lens is approximately equal for the laser die cutting machine. The focal length of a convex lens refers to the distance from the focus to the center of the lens for the laser die cutting machine, usually denoted by f. The smaller the spherical radius of the convex lens, the shorter the focal length (mark: f, English: focal length)  for  the laser die cutting machine. The convex lens can be used for glasses worn by people with magnifying glasses, presbyopia and farsightedness, cameras, film projectors, slide projectors, microscopes, lenses of telescopes  for  the laser die cutting machine, and so on.





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