Hardware knowledge: development and trend of welding machines

The energy saving of the electric welder is reflected in two aspects: energy saving at no load and energy saving at load. When no-load, the welding machine can put the main circuit, fan and so on into the stop state, the no-load power consumption is only a few watts; the efficiency of the welding machine load is higher than that of the thyristor rectifier welding machine. According to the relevant parameter statistics, the national welding industry DC in 2008 The demand for welding machines is 890,000 units. If all welding machines are used, it can directly save 43,000 tons of copper, 64,000 tons of steel, save 680 million KW.H of electricity, indirectly save 566,500 tons of coal and 10.34 million tons of water. Reduced CO2 emissions by 1,144,500 tons. It can be seen that vigorously promoting the welding machine has enormous economic and social benefits.

2. Stable welding performance

Since the working frequency of the electric welder is above 20KHZ and has a fast response speed, the droplet transfer can be subdivided into multiple stages for control. For CO2 gas shielded welding, the splash can be greatly reduced, the pulse melting MIG/MAG welding can effectively control the stability of the jet transition, and the droplet transfer and the movement of the wire feeding mechanism can be combined to further control the melting. During the drop transition process, good weld formation is obtained and the welding performance is stable. These are not possible with conventional rectifier welders.

Third, achieve centralized control

The welding machine uses a large number of digital controllers such as single-chip microcomputer, DSP, FPGA, etc., and realizes network communication between multiple welding machines or upper computer and welding machine through Ethernet and field bus. It not only solves the problem of multiple welders working together, but also facilitates centralized control during the welding process, and realizes the setting or monitoring of remote welder parameters, making remote fault diagnosis and maintenance of the welder possible.
Http://news.chinawj.com.cn Editor: (Hardware Business Network Information Center) http://news.chinawj.com.cn

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