主轴

Summary: This system imbeds the multi-axis motion controller PMAC card into PC to constitute open numerical control system applied in horizontal twin spindles double column drill press, using the software of the PMAC card, and the software and the hardware resources of PC, this system complete the numerical control function for the horizontal twin spindles double column drill press, and incarnate the open character of the system adequately.

邬再新，吕洪波摘要：本系统采用多轴运动控制器PMAC卡嵌入PC机的模式，构成一种专门应用于双主轴龙门钻床的开放式数控系统，利用该卡配置的软件和PC机的软、硬件资源，使系统完成双主轴龙门钻床的数控功能，并充分体现系统的开放性。

Semi-closed loop servo control, the use of variable frequency stepless speed spindle, spindle plus encoder can be car thread, and realize cutting Constant Linear Velocity.

采用半闭环伺服控制，主轴采用变频无级调速，主轴加编码器，可以车螺纹，并实现恒线速度切削。

In this paper, fuzy theory is applied to research on the fuzzy reliability of big power inverted umbrella aeration machine shaft.

本文以大功率倒伞曝气机主轴为研究对象，应用模糊理论，对其主轴进行模糊可靠性研究。

The developments of four strain components and the volumetric strain with number of cycles, the relationship between shear stress and shear strain and the effects of deviatoric stress and effective mean normal stress were studied.

着重分析了4个应变分量及体应变随应力主轴循环旋转周数的变化关系、剪应力剪应变关系以及所施加的剪应力水平和有效球应力在应力主轴循环旋转过程中对砂土变形特性的影响。

Advanced electro-spindle, machine tool spindle design and manufacture technology, excellent equipment, reliable quality.

拥有先进的电主轴、机床主轴设计和制造技术，设备精良，品质可靠。

In the paper, the solution to the optimal structural design of machine tool spindle with respect to dynamic properties based on artificial neural network and genetic algorithm is studied.

本文研究了基于人工神经网络和遗传算法的机床主轴动态特性结构优化设计的求解方法，利用人工神经网络实现机床主轴动态特性的近似分析，借助遗传算法实现给定固有频率下的最小重量设计。

The static and dynamic deformation of the machine tool spindle system is the main reason which affects the machining accuracy. So the static and dynamic analysis of the spindle system structure plays an important role in the design of machine tool.

机床主轴系统的静态、动态刚度是影响机床加工精度的主要原因之一，因此机床主轴系统的静、动态性能分析在机床设计中占据重要地位。

Based on the transfer matrix method and ball bearing analysis theory, the dynamic characteristics of rotor-bearing system of high speed machine tool spindle are researched.

完成5SD51A和5SD18-4等两款高速磨削电主轴的动态设计，分析了各种结构因素对主轴临界转速、不平衡响应和动、静刚度的影响。

Heat deformation of the machine tool spindle system is one main reason which affects the accuracy of the machining, so the heat design of the machine tool spindle system play an important role in designing the machine tool. Research of this area had been made more progress at home and abroad, but extent and deepness of theory and engineering application is not enough.

机床主轴系统的热变形是影响机床加工精度的主要原因之一，因此机床主轴系统的热设计在机床设计中占据重要地位，国内外在该领域的研究虽然取得较大进展，但理论和工程应用的广度和深度还不够。

Applicable to high-precision coordinates grinder spindle lubrication, and other precision machine tool spindle, bearing lubrication, low pressure systems can also be used as hydraulic oil.

适用于高精度坐标磨床主轴的润滑，和其他精密机床主轴、轴承的润滑，还可以用作低压系统的液压用油。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。