ME1432B万能外圆磨床是我厂的主导产品之一，年产量平均在20O台左右，属中批量生产规模。所以该产品的主要部件的加工经济性，直接关系到我厂的经济效益。对于我厂的该产品的内圆磨具支架，一直沿用着以前的老结构（见图1a），内磨支架为旋转式结构。进行内孔磨削加工时，需将 ME1432B Universal Cylindrical Grinder is one of the leading products of our factory, the average annual output of about 20O units, which is in mass production scale. Therefore, the processing of the main components of the economy, a direct bearing on the economic benefits of our plant. For the inner cylindrical grinding wheel bracket of this product of our factory, the former old structure has been used (see Figure 1a). The inner grinding bracket is a rotary structure. In bore grinding, the need to be