1·This article analyses the influence of the support of oil film vibration damping of the main spindle on cutting degree of roughness through cutting test.
本文通过粗糙度切削试验，分析讨论了车床主轴油膜减振支承对其加工粗糙度的影响。
2·This paper analyzes the offcenter error of installing reference ball as testing lathe main spindle rotation errors in Ningxia Institute of Technology and puts forward the way of eliminating errors.
本文对宁夏工学院测试车床主轴回转误差运动时基准球安装偏心引起的误差进行了分析，并提出了剔除该误差的方法。
3·Through alter the method on scraping contact surface between main spindle head and lathe frame, we may increase contact point and improve the contact rigidity.
通过改进普通车床主轴箱与床身接触面的刮削方法增加接触点，从而提高接触刚度。
4·A new mechanical model of the vibration between the workpiece and the main spindle caused by the grinding wheel unbalance is proposed in this paper.
建立了一种新的由砂轮不平衡量引起工件及砂轮主轴系统振动的力学模型。
5·Average type beam drill is composed of base, inside and outside column, rocker arm, main spindle box and job.
普通型摇臂钻床由底座、内外立柱、摇臂、主轴箱及工作组成。