河北建筑工程学院课程设计任务书课程名称：电气控制与PLC应用学院：电气工程学院专业：建筑电气与智能化班级：电智131学号：2013318109学生姓名：刘见林指导教师：范永胜目录引言…………………………………………………………………………………………………………4第一章T68镗床电气控制系统的PLC改造设计.........................................................................................51.1设计要求...........................................................................................................................................51.2设计思路...........................................................................................................................................51.3设计目的...........................................................................................................................................5第二章T68卧式镗床的基本结构及工作原理.............................................................................................62.1卧式镗床的概述及加工范围...........................................................................................................62.2T68卧式镗床的基本结构及工作原理............................................................................................62.3T68卧式镗床主要技术参数.............................................................................................................62.4电力拖动及控制特点.......................................................................................................................72.5PLC改造方案....................................................................................................................................82.6梯形图程序的设计方案...................................................................................................................82.7设计流程图说明...............................................................................................................................9第三章T68卧式镗床的电气元件表........................................................................................................11第四章PLC的I/O口分配........................................................................................................................124.1输入输出分配.................................................................................................................................124.2PLC硬件接线图..............................................................................................................................13第五章梯形图程序第六章调试说明.......................................................................................................14第六章调试说明.........................................................................................................................................176.1主轴正转低速.................................................................................................................................176.2主轴正转高速.................................................................................................................................176.3主轴正转点动.................................................................................................................................176.4主轴反转低速................................................................................................
