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我厂生产的三回程机械化锅炉,其前、后封头与炉芯子尾头对接的两道内环缝,过去一直采用手工电弧焊,生产效率很低,工人的劳动强度很大。因为锅炉本体在转胎上转动时,这两道内环缝不是一个同心圆,而是一个偏心圆,而且它的水平位置焊接速度是变速的,这对实现自动焊都有很大的困难。我厂焊工师傅,通过学习毛主席的哲学著作,在“鞍钢宪法”的光辉旗帜指引下,组成了三结合的革新小组,坚决以自动焊代替手工焊焊接锅炉芯子尾头这两道环缝。
I produced three back to the mechanized boiler, the front and rear head and furnace core tail docking two inner ring seam, the past has been using manual arc welding, the production efficiency is very low, the labor intensity of the workers. Because the boiler body rotates on the tire, these two inner rings are not a concentric circle, but an eccentric circle, and its horizontal position is variable speed, which is very difficult for automatic welding. My factory welder master, by studying Chairman Mao’s philosophical works, under the glorious banner of “Anshan Iron and Steel” under the guidance of the composition of a combination of three innovations, and resolutely to replace the manual welding hand welding the core of the boiler core tail .