The requirements of controls by main components of packaging machine were analyzed. The methods of the design of control system were put forward and the practical reference programs were provided.
在简单介绍包装机械的基础上，分析了包装机械各主要组成部分对控制的要求，提出了解决包装机械控制系统设计的方法及实用参考程序。
This paper puts forth the calculating formula of the deflection caused by shear distortion, which has a reference value to the design of the main shaft of the machine tool.
本文给出了考虑剪切变形引起的挠度计算公式，对现代机床的主轴设计具有一定的指导意义。
The main point in the PLC programming design for the high speed milling machine is pointed out. It provides the technical reference for the control of this kind of high speed CNC machine.
指出了这台铣床P LC 程序设计中的重点问题，为此类高速数控机床的控制提供了技术参考。
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