一、概况轴瓦是我厂生产的铁路货车转向架上的一个球墨铸铁件,加工面比较复杂,批量也很大(每年三万多件)。过去用七台通用机床加工,七名工人操作,班产24件,远远满足不了生产的需要。遵照毛主席关于“我们必须打破常规,尽量采用先进技术”的教导,我厂广大 First, an overview Bearing is a ductile iron castings on the railway truck bogie produced by our factory, the processing surface is more complex, the volume is also very large (more than 30,000 pieces each year). In the past with seven general-purpose machine tool processing, seven workers operating class production 24, far can not meet the production needs. Following Chairman Mao’s teaching on “We must break the routine and try our best to adopt advanced technology”, our factory is vast