S7-300F在数控压力机上的应用  

Application of S7-300F in CNC press

作　　者：谭亚丽[1] 张安莉[1] 郭霞[1] TAN Yali;ZHANG Anli;GUO Xia(Department of Electrical and Information Engineering,Xi’an Jiaotong University City College,Xi’an 710018,China)

机构地区：[1]西安交通大学城市学院电气与信息工程系,陕西西安710018

出　　处：《电子设计工程》2020年第21期109-113,共5页Electronic Design Engineering

基　　金：陕西高等教育教学改革研究项目(19BY139)。

摘　　要：数控压力机是汽车悬架系统弹簧装配工序中的关键设备。文中设计并开发了基于西门子S7-300F安全系列的高性能数控压力机控制系统。通过将高安全性数字控制技术、高性能伺服驱动技术集成于压力机电气控制回路,实现了压装过程中压头力、位移及速度等主要参数的实时检测和精确控制,压装过程中压装零件装配状态的自动判读。设备现场应用表明:整套设备安全等级为SIL2,部分控制单元安全等级可达SIL3,实现了对悬架弹簧压装工序的自动检测和可靠控制。CNC press is the key equipment in the spring assembly process of automobile suspension system.This paper designs and develops a high performance CNC press control system based on Siemens S7-300F safety series.By integrating the high safety digital control technology and high performance servo drive technology into the electric control circuit of the press,the real⁃time detection and accurate control of the main parameters such as the force,displacement and speed of the medium pressure head in the press mounting process are realized,and the automatic interpretation of the assembly state of the medium pressure mounting parts in the press mounting process is realized.The field application of the equipment shows that the safety level of the whole equipment is SIL2,and the safety level of some control units can reach SIL3,which realizes the automatic detection and reliable control of the pressing process of suspension spring.

关 键 词：S7-300F 分布式安全 数控压力机 弹簧装配 

分 类 号：TN98[电子电信—信息与通信工程]