Large-breadth jointless splicing precise laser drilling device
A technology of seamless splicing and laser drilling, used in laser welding equipment, welding equipment, metal processing equipment, etc., can solve the problems of many process parameters, immature process, short design cycle, etc., and achieve the effect of broad application prospects.
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[0018] Laser drilling belongs to the category of material removal processing. It uses the characteristics of high laser power density to focus it, so that the processed material is instantly heated and melted and vaporized. The molten material is squeezed out by the residual pressure of the vapor to form a hole. That is, the laser spot shape is used to repeatedly punch holes at the same position, and the light from the laser is expanded to form parallel light (in order to facilitate finer focusing), and then pass through two directions of rotating mirrors to form a plane scan. Then focus on the focal plane (the surface of the workpiece) through an appropriate focusing lens. Where there are patterns, the laser Q switch is turned on to perform light-emitting perforation at a high-frequency (20KHz) repetition frequency.
[0019] Such as figure 1 As shown, the large-format seamless splicing precision laser drilling device includes a laser 1, a beam expander 2, a galvanometer 3, and a...
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