目录
摘要 ..................................................................................I
Abstract .............................................................................II
第 1 章 绪 论 ..........................................................................1
1.1 课题意义 ......................................................................1
1.2 课题的国内外现状及趋势 .......................................................1
1.2.1 国内电焊机科技水平及发展趋势............................................1
1.2.2 国外电焊机科技水平的现状和发展..........................................1
1.3．课题内容 .....................................................................2
第 2 章 点焊机工艺的介绍 ...............................................................3
2.1 点焊机控制系统 ................................................................3
2.1.1 系统原理 ................................................................3
2.1.2 系统控制框图............................................................3
2.2 点焊机控制系统的结构介绍 .....................................................4
2.3 点焊的基本原理 ................................................................4
2.4 点焊机控制系统的工艺流程 .....................................................5
2.5 本章小结 ......................................................................6
第 3 章 控制方案比较...................................................................7
3.1 方案比较 ......................................................................7
3.1.1 确定控制方案 ............................................................7
3.1.2 确定控制方向 ............................................................8
3.2 本章小结 ......................................................................8
第 4 章 硬件设计 .......................................................................9
4.1 控制要求 ......................................................................9
4.2 控制方案 ......................................................................9
4.3 硬件控制系统 ..................................................................9
4.4 硬件选型 .....................................................................10
4.4.1 PLC 选型 ...............................................................10
4.4.2 伺服电机的选型.........................................................11
4.4.3 伺服驱动器的选型.......................................................12
4.4.4 触摸屏的选型 ...........................................................14
4.4.5 熔断器的选型 ...........................................................15
4.4.6 按钮开关的选型.........................................................15
4.4.7 行程开关的选型.........................................................16
4.4.8 焊枪的选择 .............................................................17
4.4.9 交流接触器的选型.......................................................17
4.5 PLC 的 I/O 地址表 .............................................................18
4.5.1.输入点 .................................................................18
4.5.2.输出点 .................................................................18
4.6 PLC 外部接线图 ...............................................................19
4.7 本章小结 .....................................................................19
第 5 章 伺服系统设计..................................................................20
5.1 系统设计思想.................................................................20
5.2 伺服方案设计 .................................................................20
