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1958年4月苏联中央机器制造与工艺科学研究院主任研究员、技术科学博士拉彼杜斯同志,在黄河三门峡工程局作焊接专题报告中指出:4焊条属于50型,不仅可用来堆焊及焊补锻模,还可堆焊挖土机铲头与推土机刀片作抗磨损材料。同月,我们着手进行4、5和T-540等抗磨焊条试验。同年十月间利用试制成功的仿苏4焊条完成了水泥震动溜管主要部件末端缓冲器(图1)缓冲板的堆焊任务,质量合乎标准。
1958 April Soviet Union Central Institute of Machinery Manufacturing and Technology Research Fellow, Ph.D. Science and Technology Labpe Dusi in the Yellow River Sanmenxia Engineering Bureau for Welding Special Report pointed out: 4 electrode is 50, not only for surfacing and welding Forging die, but also surfacing shovel bulldozer blades and bulldozers for wear-resistant materials. In the same month, we set out to conduct tests for wear electrodes such as 4, 5 and T-540. The same year in October using the successful trial of imitation Su-4 electrode to complete the main components of cement shake the main components of the buffer (Figure 1) buffer plate surfacing tasks, the quality standards.