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一、前言我厂生产的S7450大型螺纹磨床,磨削螺纹直径可达400毫米,长度为6米,螺距规格计有80种。这样大的工件在磨削过程中如要取下来测量是十分不便和不经济的,一般也没有这么大的测量仪器。伟大领袖毛主席说“中国人民有志气,有能力,一定要在不远的将来,赶上和超过世界先进水平”。我们遵照毛主席“自力更生,奋发图强”的教导,为了介决临床动态测量,在各级党组织领导下,组成工人,技术人员,干部三结合战斗组,实行开门办科研,
I. Preface The S7450 large-scale thread grinder produced by our factory can grind thread diameter up to 400mm and length of 6m, and there are 80 kinds of pitch specifications. Such a large workpiece in the grinding process to take off to measure is very inconvenient and uneconomical, and generally not so big measuring instruments. The great leader Chairman Mao said: “The Chinese people are ambitious and capable. We must catch up with and surpass advanced world standards in the near future.” In line with Chairman Mao’s teachings of “self-reliance and work hard,” we conducted a three-pronged battle group consisting of workers, technicians and cadres under the leadership of party organizations at all levels in order to resolve the clinical dynamic measurement.