Device and method for implementing and monitoring a laser transmission welding process of plastics
A laser transmission welding and process technology, applied in laser welding equipment, measuring devices, welding equipment, etc., can solve the problem of workpiece rejection, no more detailed description of the welding seam, etc.
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[0024] figure 1 A first embodiment of a device for carrying out and monitoring a plastic laser transmission welding process is shown. The process beam source for generating and emitting a laser beam which is used as a process beam entering the joining region 1 of the two joining elements 2, 3 is not shown in more detail, since it corresponds to the Process beam source used in traditional laser transmission welding. The process beam source is used to form a weld seam 4 between two joining elements 2, 3, as in the figure 1 Between the two joining elements 2, 3 is shown in a cross-sectional view.
[0025] In order to determine the depth position of the interface 5 between the weld seam 4 and the joining elements 2, 3, in other words for welding depth monitoring in the corresponding laser transmission welding process, a measuring beam source 6 in the form of a point light source is provided, which The measuring beam 7 is processed by a lens 8 and an aperture 9 to obtain a focus...
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