A control system based on single chip microprocessor is designed for submerged arc welder with magnetrol power source.

针对磁放大器式电源埋弧自动焊机设计了单片机控制系统。

The purpose of prebending process of longitudinal submerged arc welding pipe production line is introduced;character of roller prebending and mould press type prebending is analyzed.

对螺旋埋弧焊钢管在生产过程中产生咬边的原因进行了分析,提出了针对这些原因应采取的相应措施。