Defocus measurement and control system and method for powder feeding type laser additive manufacturing equipment
A technology of laser additive and manufacturing equipment, applied in the field of additive manufacturing, can solve the problems of reduced flatness of cladding layer, reduced laser beam energy density, reduced powder utilization rate, etc., so as to improve quality, improve measurement and control accuracy, and improve process The effect of stability
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[0023] The defocus measurement and control system for powder-feeding laser additive manufacturing equipment of the present invention has a structure such as figure 1 As shown, it includes computer numerical control system 1, which is bidirectionally connected with human-computer interaction system 2; human-computer interaction system 2 is responsible for program writing, parameter input, and visual display of system status information; The lines are respectively connected to the motion controller 3, the laser controller 6 and the powder feeding controller 7; the powder feeding controller 7 is connected to the powder feeding head 5 through the powder feeding pipeline, the powder feeding head 5 is set facing the working plane 8, and the distance sensor 4 is installed On the side wall of the powder feeding head 5, the distance sensor 4 is bidirectionally connected with the computer numerical control system 1 through the data line; the motion controller 3 is used to control the mov...
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