目录摘要......................................................................................................................................................................IIAbstract:..............................................................................................................................................................III第一章绪论.......................................................................................................................................................11.1研究背景及意义.................................................................................................................................11.2用数控技术改造机床的适应性和特点..............................................................................................11.3PLC的优点与作用...............................................................................................................................3第二章XA6132铣床控制电路分析...............................................................................................................52.1XA6132铣床简介.................................................................................................................................52.2XA6132铣床主要特点.........................................................................................................................52.3XA6132铣床技术参数.........................................................................................................................62.4XA6132铣床的控制要求.....................................................................................................................72.5XA6132铣床元件选型.........................................................................................................................82.6XA6132铣床电路分析.......................................................................................................................102.6.2进给拖动控制电路................................................................................................................122.6.3圆工作台的控制....................................................................................................................142.6.4冷却泵和机床照明的控制....................................................................................................152.6.5控制电路的联锁与保护........................................................................................................15第三章XA6132铣床PLC控制的硬件设计.....................................................................................................173.1电动机选择.......................................................................................................................................173.2PLC的选型及其功能简介.................................................................................................................173.3统计I/O点数及其系统元器件的选择............................................................................................183.3.1I/O口的分配.........................................................................................................................183.3.2系统元器件的选择................................................................................................................193.4PLC外部接线图的设计......................
