一、概况 螺纹环规的制造,过去一直是我厂工具制造方面的老大难问题。由于仪器制造所用的螺纹环规品种、规格较多,往往不能配套生产,周期也很长,远远不能满足生产需要。为了突破这项关键,我们遵照毛主席“独立自主、自力更生”,“打破洋框框,走自己工业发展道路”的教导,经过60 First, an overview of the manufacture of thread ring gauge, the past has always been my factory tool manufacturing problems. As the instrument used in the manufacture of thread ring varieties, specifications more often not supporting the production cycle is also very long, far from meeting production needs. In order to break this key, we follow the guidance of Chairman Mao’s “independence, self-reliance,” and “breaking the framework of the world and taking the road of industrial development.” After 60