光学工具曲线磨床以及万能工具磨床，其砂轮的更换是相当频繁的。而所有磨床砂轮法兰盘的拆卸基本上都是两个步骤，先从主轴上拧下紧固螺钉，然后将拨头拧进法兰盘，将其从砂轮主轴上拨下来。对于经常更换砂轮的这类机床来说这种方法就显得比较麻烦。有的进口机床采用了类似图1 Optical tool curve grinder and universal tool grinder, the wheel replacement is quite frequent. The removal of all grinding wheel flange is basically a two-step process, first unscrew the fastening screw from the spindle, and then tighten the dial into the flange, dial it from the wheel spindle. This method can be cumbersome for such machines that often change grinding wheels. Some imported machines used a similar figure