1·The main spindle is driven by a variable frequency controlled AC motor.
主轴是由变频控制交流电机驱动。
2·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。
3·Main spindle device, composite processing machine with the main spindle device, and method of assembling main spindle device.
主轴装置，包括该主轴装置的加工中心，以及装配该主轴装置的方法。
4·It is one of the key technologies of refitting ultra-high speed grinder to select the radial and axial gap of the main spindle.
试验证明合理的选择主轴径向间隙和轴向间隙是改装超高速磨床的关键技术之一。
5·The main spindle of the dividing head drives the workpiece by means of a 3-jaw universal chuck or a dog and live centre similar to a lathe.
分度头的主要纺锤通过3下颌普遍牛颈肉或一个狗和活中心驾驶制件相似与车床。
6·High machining precision and low surface roughness may improve the main spindle rotating precision and decrease the wear of the main spindle.
提高主轴的加工精度和降低表面粗糙度，可提高主轴的旋转精度和减少主轴的磨损。
7·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。
8·A new model of vibration mechanics concerning the vibration of the workplace and the main spindle caused by the grinding wheel unbalance is proposed.
本文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。
9·The main spindle system is a key part on the machine tools. The quality of thermal behavior influences the machining accuracy of machine tools directly.
机床主轴系统是机床的核心部件，其热特性的好坏，直接影响机床的加工精度；
10·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。