为高速数控立、卧车床，高速立、卧加工中心等配套的高速、高精密主轴轴承，产品精度达到了P2级；
For high-speed nc made, WoChe bed, the high speed machining center, etc, down made of high speed and high precision supporting spindle bearing, the product precision P2 level;
介绍一种在现有制造精度基础上，利用国外的精密轴承，通过人为干预装配过程来提高主轴回转精度的行之有效的方法。
This paper introduces an effective method to improve rotary precision of the spindle by person-controlled assembly and by using foreign precision bearing on the basis of present machining precision.
万能组配技术，使精密机床主轴用角接触球轴承实现了任意方式的配对使用。
Universal set of technology, make precision machine tool spindle use Angle contact ball bearing realized either way matching use.
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