Welding power source is an important research content in the field of welding technology. It is of significance to organize the design database of welding power source, construct its development platform, and realize its CAD and simulation system based on Web. In the scope of this paper, the core technology applied in above aspects were analyzed and summarized, the current development status and future trend of the application of computer and internet technology in welding power source areas were introduced.
In this paper, remote monitoring technology and its application to control of industrial power supply are discussed in detail, including its composition, function and classification. The two approaches of wired and wireless communication are analyzed, and four cases of typical systems are introduced as well. Practice has proved that the presented several control schemes are feasible and effective.
A kind of automatic welding machine and its microcomputer control system were designed in this paper. The mechanical system includes a floating welding workbench, the two-dimension mechanism and the indexing mechanism. There are two choices for the control system, based on PLC or IPC separately. The automatic welding machine can be applied to train hook buildup welding. Experiments showed that reasonable buildup welding was achieved, and the automatic buildup welding equipment can improve productivity and work conditions.
In recent years, remarkable progress has been made in the field of MIG welding technology. In this paper, three kinds of innovative MIG welding technology were introduced - pulsed MIG welding, double wire MIG welding and MIG hybrid welding. Recent development and achievements were summarized, including features of the various processes and applications. In the end, the future tendency was discussed.
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