Stability control system for molten pool state in additive repairing process

Abstract

The invention relates to a molten pool temperature control technology, and particularly relates to a stability control system for a molten pool state in additive repairing process. The stability control system comprises a molten pool, a CCD camera, a data acquisition card and an analysis display device, wherein the CCD camera is arranged above the molten pool and is in communication connection with the data acquisition card; the data acquisition card is in communication connection with the analysis display device; the stability control system further comprises a PLC, an electromagnetic induction heating device and a water cooling device; the data acquisition card is in data connection with the PLC; the electromagnetic induction heating device and the water cooling device are arranged on the molten pool; and the PLC is further in communication connection with the electromagnetic induction heating device and the water cooling device. The closed-loop control function is achieved, the actions of preheating, temperature rising, heat preservation and cooling can be conducted on the molten pool temperature, and the dynamic adjusting process is achieved. The CCD camera is used for acquiring the molten pool temperature, the system installing compatibility can be improved, and integrated and high-precision control can be achieved.

Description

technical field [0001] The invention relates to a melting pool temperature control technology, in particular to a stability control system of the melting pool state in the process of additive repair. Background technique [0002] Since the additive repair is to slice the repair model layer by layer, and then accumulate the material layer by layer. During this process, the weld bead forming quality of the previous layer will directly affect the weld bead forming quality of the next layer, and the molten pool temperature will directly affect the welding quality, too high or too low will not work. If the temperature of the molten pool is too high, the molten iron will flow down and burn through the base material, making it difficult to control the formation of the weld bead. If the temperature is too low, the molten pool is small, the fluidity of molten iron is poor, and defects such as incomplete penetration, infusion, and slag inclusion are prone to occur. When the temperat...

AI Technical Summary

Problems solved by technology

[0009] However, there is no special design for the stability control of the temperature of the molten pool

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