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鞍钢轧辊厂和鞍钢第一薄板厂党委和革委会对φ630毫米冷硬复合球墨铸铁轧辊的质量问题非常重视。两厂在1970年成立了厂际革新小组,专门研究φ630毫米轧辊的质量问题。革新小组在鞍钢轧辊厂党委的领导下,深入到工人群众中去,虚心向老工人学习,总结工人群众的宝贵经验,获得了大量的第一手技术资料。革新小组又把这些丰富材料经过整理,提交轧辊厂的广大工人、技术人员和干部反复进行讨论,对现有铸造工艺进行了改革,同时拟
Anshan Iron and Steel Company and Anshan Iron and Steel Company’s first sheet mill Party Committee and the Revolutionary Committee of φ630 mm chilled ductile iron ductile iron quality problems very seriously. The two plants set up an interstate innovation team in 1970 to study the quality of φ630mm rolls. Under the leadership of the party committee of Anshan Iron and Steel Rolling Mill, the innovation team went deep into the masses of workers, humbly studied with old workers, summed up the precious experience of the workers and obtained a great deal of first-hand technical information. The innovation team again put these rich materials after finishing, submitted to the Roller Mill workers, technicians and cadres repeatedly discussed the existing casting process has been reform, while the proposed