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。
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。
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。
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。
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。
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。
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；
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。
This paper studies concept, calculation and gauge design concerned with coaxality of main spindle hole and camshaft hole and points out some common errors.
对柴油机主轴孔、凸轮轴孔同轴度的有关概念、计算方法、量规设计理论进行探讨，指出通常一些做法的错误。
BP neural networks model of the main spindle system of the grinder is built and the structure model updating and optimization calculation are carried through based on the method.
基于此法建立了磨床主轴系统的BP神经网络模型并进行了结构修正与优化计算。
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。
The calculated results of rolling bearing stiffness indicate that larger preloading and constant pressure preloading for the rolling bearings of the spindle can improve the stiffness of main spindle.
另外，计算分析了滚动轴承的刚度，认为一定预紧力与定压预紧方式有益于提高主轴刚度。
The calculated results of rolling bearing stiffness indicate that larger preloading and constant pressure preloading for the rolling bearings of the spindle can improve the stiffness of main spindle.
另外，计算分析了滚动轴承的刚度，认为一定预紧力与定压预紧方式有益于提高主轴刚度。
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