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一导言随着新中国经济建设事业的飞跃发展,焊接工作在机械契造修理和装配的过程当中,已经获得了更大限度的广泛应用。随着电焊条消费数量的增加,和对其质量要求的提高,已经直接刺激或帮助了我国电焊条制造技术的改进与发展。目前,在政府的大力扶持之下,在国营经济成份直接领导之下,上海具有一定规模的电焊条制造厂为数已经不少。接受国家加工订货任务的即有:斌诚、大成、厚诚、泰华、强力、永新、镕新、龙华、上海、华福等十家。其产品主要为直径3、4、5公厘,长度350及400公厘的软钢焊条。按性能
I. INTRODUCTION With the rapid development of the economic construction in New China, the welding work has gained wider application in the process of mechanical repairs and assembly. With the increase in the number of welding electrodes consumed and the improvement of their quality requirements, they have directly stimulated or helped improve and develop the welding electrode manufacturing technology in China. At present, under the strong support of the government, under the direct leadership of the state-owned economy, there are already a large number of welding electrode manufacturers in Shanghai. There are ten companies including Bincheng, Dacheng, Houcheng, Taihua, Qiangli, Yongxin, Fuxin, Longhua, Shanghai, and Huafu. Its products are mainly mild steel electrodes with diameters of 3, 4, and 5 mm and lengths of 350 and 400 mm. By performance