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1971年在捷克斯诺伐克的布尔诺举办了第十三届国际机器制造展览会。参加这次展览会的有30个国家的1519家公司,陈列的展品有2万多件。本文仅就展览会上展出的焊接设备作一简单介绍:布拉格工厂制造的可控硅焊接整流器参加了展出。此焊接整流器可供直流弧焊之用,具有陡降外特性曲线(运行部分实际上是垂直下降曲线)。焊接电流调节均匀平稳,并可远距离调节。焊接整流器安装在橡皮轮子的车子上。焊接整流器的外形见图
In 1971 in Brno, Czech Republic held the thirteenth International Machine Building Exhibition. To participate in the exhibition of 1519 companies in 30 countries, displaying more than 20,000 pieces of exhibits. This article is only a brief introduction to the welding equipment exhibited at the exhibition: the SCR factory in Prague made its debut. This welding rectifier for DC arc welding purposes, with steep drop outside the characteristic curve (running part is actually a vertical descent curve). Welding current regulation even and stable, and can be adjusted remotely. Welding rectifier mounted on the rubber wheel of the car. Welded rectifier shape see figure