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我厂硝氨车间的一个230千瓦氧化氮排风机的不锈钢机轴,因长期使用,其与轴承相接触的滚动部位,由于磨损而不能使用。就此报废不仅给国家造成经济损失,而且不锈钢也是当前我国比较缺乏的钢材。我厂焊工师傅遵照伟大领袖毛主席关于“节省每一个铜板为着战争和革命事业,为着我们的经济建设”的教导,决心用电焊法把它修复。不锈钢的焊接难处并不大,主要的问题是焊后轴的变形较大。我们想,如果在焊接
I plant nitric ammonia workshop a 230 kW nitrogen oxide exhaust fan stainless steel shaft, because of long-term use, the rolling contact with the rolling parts, due to wear and can not be used. This scrapped not only caused economic losses to the country, but also the current lack of stainless steel in our country more steel. In accordance with the teachings of Chairman Mao, the great leader, “Saving every copper plate for the cause of war and revolution and for our economic construction,” our master welder is determined to repair it by electric welding. The difficulty of welding stainless steel is not large, the main problem is the greater distortion of the shaft after welding. We want to, if in welding