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直形对接接缝的电渣焊接,在我国机械制造业中已开始应用,并掌握了这一焊接技术。但环形对接缝的电渣焊接仍处在研究准备阶段。苏联已成功地运用了环形对接缝的电渣焊接。如大容量水轮发电机主轴与法兰的联接,高压锅爐筒身与封头的联接,重型水压机汽缸与封头的联接,都采用了环缝电渣焊接。本文在综述有关这方面的资料时,将对环缝电渣焊接的特点,成形装置,施焊过程及设备分别加以讨论。环缝电渣焊接的特点从整个环缝焊接的特点来看,在开始和结束焊接时不仅需要机头作直线升降运动,而更重要的是要焊件本
Electroslag welding of straight butt joints has started to be applied in China’s machinery manufacturing industry and mastered this welding technology. However, electroslag welding of annular butt joints is still in the research preparation stage. The Soviet Union has successfully used electroslag welding of annular butt joints. Such as high-capacity hydro-generator spindle and flange connection, high-pressure boiler body and the head of the connection, heavy-duty hydraulic cylinder head with the connection, have adopted the ring seam electroslag welding. This article summarizes the relevant information in this area, the girth arc welding characteristics, forming equipment, welding process and equipment are discussed. The characteristics of girth ESR From the characteristics of the girth welding, it is not only necessary for the nose to make linear movements at the beginning and the end of the welding, but more importantly, the parts to be welded