绘图机毕业设计说明书

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1、内容内容摘要摘要： 系统单击运行及与 PC 及联机运行。按照从 PC 机上接受到的信息去完成任务。 该系统与 PC 机有两套通信接口， 既并口通信与串口通信。 它以实验条件和方便为选 择。在单机运行的情况下用十进制拨盘作为输入设备，方便人们学习和应用。它配 有七段数码显示器，便于在执行过程中显示运行状况。用软件实现插补，送给脉冲 步进电机并运行，经机械转换装置转换为 X、Y 两轴构成的平面绘图系统。并探讨一 种均匀脉冲插补方法。 关键字关键字：通信 插补 品面绘图 显示 Abstract： System click operation and rain PC and online operat

2、ion. From the PC to receive information to accomplish a task. This system with the PC has two sets of communication interface, already parallel communication and serial interface communication. It with experimental condition and convenient for choice. Under the condition of the single operation with

3、 decimal dial the plate as input devices, convenient for people to study and application. It is equipped with seven segment digital displays, facilitate implementation process show to run condition. Use software to realize interpolation, gave pulse stepping motor and run by converting mechanical con

4、version device X, Y composed of two axis plane drawing system. And to explore a uniform pulse interpolation method. Key word: communication interpolation product surface drawing display 1 目 录 第一章 综述2 1.1 计算机数控系统及其概念2 1.2 数控技术的发展概况3 1.3 数控设备的优点4 1.4 数控系统组成4 1.5 计算机数控系统硬件5 1.6 并行口 EPP 6 第二章 步进电机10 2.1 步进电机