Design of Control System for Underwater Laser Welding Device
In order to solve the problems of underwater welding and maintenance difficulties after the damage of the spent fuel pool in the nuclear power plant,and the maintenance personnel are easily exposed to strong radiation environment,a set of underwater laser welding device was designed.The device was divided into hardware part and software part,the hardware part was composed of Reisai PMCPLC,HMI touch screen,continuous fiber laser,welding gun,welding slide table and other parts.The software part was composed of the touch screen control interface designed by ourselves and the automatic welding program of the control device.The working principle and workflow of the control system were introduced.Through the underwater welding equipment,the underwater welding experiment was completed,and the feasibility of the laser welding system was verified.The experimental results show that the underwater laser welding device can be used in underwater working environment such as spent fuel pool repair,and provides an efficient solution for underwater welding operation in harsh environment.
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