The rotating of the stepping motor, the working procedure of the NC Machine Tools and the movement of the conveyer belt are controlled by PLC.
采用PLC对数控机床的加工工艺流程、步进电机的旋转以及零件输送带的运动进行控制。
Realizing the direct transmission from motor to the working assembly(spindle, table or slide etc. ) is the basic feature Ultra-High Speed Machine Tools.
取消一切中间传动环节，实现动力源对机床工作部件的直接传动，是超高速机床的基本特征。
A good vibration damping measure is very important for the enhanced working accuracy of machine tools, especially for that of ultra-precision machines.
良好的减振措施是提高机床，特别是超精密机床加工精度的重要技术之一。
By combining with the machining needs of parallel machine tools, the working space and the law along with the variation of its autorotation Angle were studied.
结合并联机床的加工要求，研究了工作空间及其随自转角的变化规律。
A shortcut route has been provided for working out the post-process program of parallel-link machine tools.
为编制虚拟轴机床数控后处理程序提供一条捷径。
Simulation results show that the analysis can reflect the complete working space of 3-ptt CNC serial-parallel machine tools and provide a theoretical basis for automatic control of working process.
仿真结果表明：此分析能较好地反映3—PT T串并联数控机床的完全工作空间，为工作过程的数字化控制提供了理论依据。
Other angular contact ball bearings with different contact angles are mainly used in working spindles of machine tools.
不同的接触角的其他角接触球轴承主要用于机床主轴工作。
Other angular contact ball bearings with different contact angles are mainly used in working spindles of machine tools.
不同的接触角的其他角接触球轴承主要用于机床主轴工作。
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