本文系中国机械工程学会机械加工学会“第二届机床设计研究年会”论文。本文通过对超精密级轴承的精度分析和试验，研制了“电磁无心夹具，总结了一套实现高光洁度无振纹磨削工艺，实现了 ０．３μｍ高垂直度精度和１２无振纹磨削。本文还提出了新机床的设计方案。 This article is the Chinese Mechanical Engineering Institute of Mechanical Processing, “Second Machine Design Research Conference” thesis. In this paper, the precision analysis and testing of ultra-precision bearings, developed the "electromagnetic incense fixture, summed up to achieve a high-finish vibration-free grinding process to achieve a high vertical accuracy of 0.3μm and 12 without vibration grinding The paper also presents the design plan of the new machine tool.