1、粗磨加工用高效率砂轮粗磨加工的高效化由于磨削负荷的增大和砂轮线速度的提高而取得了成果。其发展过程如表1所示。可以看出大型机械的研用和新品种磨料砂轮的发展两者相结合而使粗磨加工显著高效化。特别是一九六九年发展的热磨削法,可以说是个划时代的方法。 1, Rough grinding High-efficiency grinding wheel grinding efficiency of grinding due to increased grinding load and increase the wheel speed and achieved results. The development process shown in Table 1. It can be seen that the combination of large-scale machine research and the development of a new breed of abrasive grinding wheel have resulted in significantly more efficient roughing. In particular, the hot grinding method developed in 1969 can be regarded as an epoch-making method.