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为适应水运工业的全面发展,我厂根据国家需要,除了继续建造万吨级远洋货轮外,还承担了建造长江中下游大班轮及港作拖轮等类型船只的任务。这类船舶的上层建筑大部分是薄板结构,其中板厚在3～4毫米左右的数量也不少。由于薄板本身的特点,在采用自动焊工艺时,极易出现气孔和焊穿等缺陷。花费在处理这些缺陷上的劳动量往往超
In order to meet the all-round development of the water transport industry, our factory, in addition to continuing to build 10,000-ton ocean-going cargo ships, undertook the task of building large and medium-sized ships in the middle and lower reaches of the Yangtze River and tugboats for Hong Kong according to the needs of the country. Most superstructures of such ships are sheet structures, of which the number of sheets is about 3 to 4 millimeters. Due to the characteristics of the sheet itself, the use of automatic welding process, prone to defects such as pores and welding wear. The amount of labor spent on dealing with these deficiencies is often excessive