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介绍首钢中小型厂冷床齐头辊的性能、结构和制造关键技术，特别是齐头辊辊槽堆焊特性，保证了齐头辊制造质量。
This paper introduces the performance, structure and manufacturing key technologies of the cold bed simultaneous rolling roll of Shougang small and medium sized factory, especially the welding characteristics of the first roll roll groove, which ensures the manufacturing quality of the first roll.