JA21-160型机械压力机的PLC控制  

PLC control of JA21-160 mechanical press

作　　者：赵升吨[1] 闫伍超[1] 王二郎[1] 尚春阳[1] 史维祥[1] 

机构地区：[1]西安交通大学机械工程学院,710049

出　　处：《机床与液压》2000年第6期15-19,共5页Machine Tool & Hydraulics

基　　金：高等学校全国优秀博士学位论文作者专项基金;西安交通大学机械制造系统工程国家重点实验室开发研究基金资助项目

摘　　要：本文成功地将传统控制方式和PLC控制方式有机地结合在一起 ,从而为实现PLC对机械压力机的控制奠定了坚实的基础 ,精心设计完成的JA2 1-16 0型机械压力机PLC控制方案具有许多独特优点并成功地用于生产实际中。On the basis of analyzing existence problems in the control circuit of JA21-160 mechanical press with other and traditional control methods of electric relay-contactor, the necessity is pointed out that control circuit of electric relay-contactor must be exchanged into the PLC control circuit Requirement of the press for its control system is obtained, and equivalent circuit diagrams for each operation rule of the press are established Basic strategies of PLC control for the press are mapped out The traditional relay-contactor control method is successfully and organically integrated with PLC control methe The PLC control scheme designed elaborately has a lot of unique merits and is successfully used in production practice

关 键 词：机械压力机 电气控制 继电器 接触器 PLC 

分 类 号：TG31[金属学及工艺—金属压力加工] TP273.5[自动化与计算机技术—检测技术与自动化装置]