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球面高速精磨模加工面的径向跳动量除依靠机床的跳动控制在0.01mm外,还要依靠基体模的径向定位基面保证主轴螺纹与基体模之间的同轴性。当机床的主轴径向跳动量达不到0.01mm,或机械加工的基体模球面径向跳动达不到适合高速精磨的精度时,可修正基体模球面和高速精磨模加工面,达到所要求的精度。修正的方法是先将基体模装到高速精磨机床主轴上,用百分表测量出要修正最大值方向,在钢球模与基体模用金刚砂对磨时,在最大值方向用手加压(凸凹基体模置钢模之上),加压之后再对
Spherical high-speed precision grinding process surface in addition to the radial run-out by the machine tool runout control in 0.01mm, but also rely on the base mold radial positioning of the base surface to ensure that the coaxiality between the spindle thread and the base mold. When the machine tool spindle radial runout of less than 0.01mm, or machining of the substrate die radial runout for less than the accuracy of high-speed precision grinding can be modified base mold surface and high-speed precision grinding mold surface, Required accuracy. The correct method is to first mold base mounted to the high-speed precision grinding machine spindle measured with a dial indicator to correct the maximum direction, the steel ball mold and base mold with diamond grinding, the maximum direction by hand pressure (Punch and die set on the steel mold above), after the pressure on the right