熔剂垫在自动焊中是个重要的辅助设备。过去,我厂曾用过各种皮带式熔剂垫,由于使用不方便,质量很难保证。因此历年来在自动焊之前。需先用手工焊打底。这样,不但生产率低,而且焊缝质量不稳定。我厂铆焊车间职工发扬了“自力更生”、“艰苦奋斗”、敢想、敢干,敢于创新的革命精神,在一九七○年试制成功了螺旋 Flux pad in the automatic welding is an important auxiliary equipment. In the past, I have used a variety of belt-type flux mat, due to inconvenience, quality is difficult to guarantee. Therefore, over the years before the automatic welding. Need to use hand welding bottoming. In this way, not only is the productivity low, but also the weld quality is not stable. The workers in our factory have carried forward the revolutionary spirit of “self-reliance”, “arduous struggle”, daring to think, daring to do something and innovation. In 1970, the successful trial of the spiral