基于PLC的丝网印刷机控制系统样本.doc

基于 PLC 丝网印刷机控制系统设计

摘要

由于丝网印刷在基板大小和形状方面没有限制，可适应油墨，印刷油墨层厚度可调

特性而被广泛使用，因而，对开发控制精度高，性能高，操作简易以便丝网印刷机是非

常有必要。

在本文重要简介采用高性能三菱 PLC 对原有老旧丝印机电气控制系统进行设计改

造过程。在开发之前，对丝网印刷机工作流程进行了详细分析，进而明确了控制系统任

务，再从硬件和软件两个方面进行改造。

在硬件设计方面，本文采用了三菱 FX 系列 PLC，其中选取了高性能微解决器 FX2N，

核心词：丝网印刷,可编程控制器,伺服驱动,触摸屏

Design of control system for screen printing machine based on PLC

Abstract

Because of no restriction on the size and shape of the substrate in the screen printing，ink

to adapt to，the printing ink layer thickness adjustable properties，which can be widely used.

Therefore ， to develop high control precision ， high performance ， simple and convenient

operation of the silk screen printing machine is very necessary.

In this paper，the use of high-performance MITSUBISHI PLC to the original old screen

printing machine electrical control system design and transformation of the process. Before

the development，the work flow of the screen printing machine is analyzed in detail，and then

In the aspect of printing ink control，AC servo drive system is used to control the synchronous

belt printing..

In software design，the program can simulate debugging，manual procedures，automatic

procedures and reset procedures for three parts. According to the method of modularization，

the important modules in the ladder diagram are described in detail.. In the man-machine

interface ， the use of the corresponding software to develop a touch screen in the various

functional interfaces ， improve the operation performance ， easy operator to operate

experience.

Key Words： Screen printing,programmable controller,Servo drive，touch screen

1 绪论 ................................................................1

1.1 丝网印刷及丝网印刷机 ..........................................1

1.2 国内外丝网印刷机发呈现状与趋势 ................................2

1.2.1 国外丝网印刷机发呈现状及趋势 ............................2

1.3 课题研究背景、目及意义 ........................................4

1.4 本文研究重要内容 ..............................................5

3.1 三菱 FX2N 基本单元 I/O 地址分派 ...............................10

3.2 丝网印刷机电气原理图 ........................................10

3.3 丝网印刷机 PLC 接线图 ........................................12

3.4 伺服电机选型 ................................................13

3.5 PLC 基本构造与选型...........................................14

3.6 三菱 FX2N-48MR 重要技术数据 ..................................16

3.7 设计规定 ....................................................18

3.8 安全保护办法设计 ............................................18

4 丝网印刷机控制系统软件设计 ........................................20

4.1 系统软件设计规定 ............................................20

4.2 PLC 控制软件设计............................................20

5 系统调试 ..........................................................25