高速磨头上有一个零件叫外壳轴套。这个轴套的技术条件是:两孔φ62的不同心度为0.005,锥度跟椭圆度不得大于0.005;2)φ80外径对φ62孔的相互摆差不得大0.01:3)φ62孔对端面A的振摆为0.003。磨削这种轴套按一般的方法是:先磨好轴套外径,再装在磨床的四爪卡盘和中心架上用千分表校正,校正到没有摆差后再磨削内孔。但因机床主轴与轴承间有 High-speed grinding head has a part called shell sleeve. The technical conditions of the sleeve are: the two holes φ62 different concentricity of 0.005, taper and ellipticity of not more than 0.005; 2) φ80 outer diameter of the φ62 hole for each other must not swing 0.01: 3) φ62 hole on the end A The pendulum is 0.003. Grinding this type of sleeve by the general method is: first grind the outer diameter of the sleeve, and then installed in the grinder and the center of the four-jaw chuck with a dial gauge correction, and then adjusted to no error after grinding the hole . However, due to the spindle between the machine and bearing