Laser twin-wire indirect arc hybrid welding device and wire feeding speed prediction calculation method

Abstract

The invention discloses a laser double wire indirect arc composite welding device and a wire feeding speed predicting and calculating method and belongs to the technical field of laser-consumable electrode arc composite welding. The laser double wire indirect arc composite welding device and the wire feeding speed predicting and calculating method aim at solving the problems that in a laser-double wire indirect arc composite welding method, relative positions of double wires and a laser spot are different to adjust and the wire feeding speed is difficult to determine. The device comprises a variable-polarity welding power source, a laser welding head, a first welding wire position adjusting mechanism, a second welding wire position adjusting mechanism, a first wire feeding mechanism, a second wire feeding mechanism, a first welding wire and a second welding wire. Before welding, the first welding wire position adjusting mechanism and the second welding wire position adjusting mechanism are adjusted, it can be achieved that the first welding wire, the second welding wire and laser beams are located on a same plane, and the first welding wire and the second welding wire are made to be intersected at the position of the laser spot; and in the welding process, the first welding wire and the second welding wire are connected with two electrodes of the variable-polarity welding power source correspondingly to form a current loop. The laser double wire indirect arc composite welding device and the wire feeding speed predicting and calculating method are used in laser-double wire indirect arc composite welding.

Description

technical field [0001] The invention relates to a laser-twin-wire indirect arc compound welding device and a wire feeding speed prediction calculation method, which is a laser-arc compound welding method and belongs to the field of welding technology. Background technique [0002] Welding technology is an indispensable processing technology in modern manufacturing and industrial production processes. The current demand for high-quality and efficient welding technology is becoming stronger and stronger. The main way to achieve high-efficiency welding is to increase the welding speed and deposition speed, but the improvement of these two aspects ultimately comes down to the increase of the welding current, and with the increase of the welding current, the welding heat input will inevitably increase, resulting in the deterioration of the welding quality. decline. [0003] Laser-twin-wire indirect arc combination is a new type of high-efficiency welding method. It combines lase...

AI Technical Summary

Problems solved by technology

[0004] The present invention aims to solve the problems that the relative position adjustment of the twin wires and the laser spot needs precise adjustment and the wire feeding speed is difficult to determine in the laser-twin-wire indirect arc hybrid welding method, and provides a laser-twin-wire indirect arc hybrid welding device and Predictive Calculation Method of Wire Feeding Speed

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