Laser deep penetration welding intelligent monitoring system and method based on plasma electric signals
A laser deep penetration welding and plasma technology, applied in welding equipment, metal processing equipment, manufacturing tools, etc., can solve the problems of large image information, insufficient processing speed, and difficult real-time application, so as to reduce operating costs and realize feedback The effect of control
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[0020] The technical solution of the present invention will be described in detail below with reference to the drawings and embodiments. .
[0021] Such as figure 1 Shown here is an intelligent monitoring system for laser deep penetration welding based on plasma electrical signals of the present invention, which includes three parts: a laser welding subsystem, a motion control subsystem, and an electrical signal acquisition subsystem, wherein the laser welding subsystem includes The laser 15 generates a laser beam 1 with a wavelength of 1064nm transmitted through the optical fiber 4, and is focused on the metal surface of the base material (3) through a parabolic mirror 16 with a focal length of 160mm. The metal is heated and melted to form a molten pool 9. Under the condition of laser action, the phenomenon of keyhole 10 is generated in the molten pool 9 and plasma 18 is ejected from the keyhole 10. This subsystem also includes a laser driving servo motor 8 to control the laser ...
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