基于PLC的低压铸造机自动控制系统设计  

Design of Automatic Control System for Low-pressure Casting Machine Base on PLC

作　　者：张培彦 余泽通[2] 

机构地区：[1]郑州旅游职业学院,河南郑州450009 [2]河南科技学院,河南新乡453000

出　　处：《铸造技术》2015年第7期1863-1864,共2页Foundry Technology

基　　金：河南省教育厅科学技术研究重点项目(14A110024)

摘　　要：为了提高低压铸造工艺过程的液面压力与模具温度控制的精准度,运用自动控制、PLC、传感器等技术设计了一种基于PLC的低压铸造机自动控制系统,系统准确采集工艺过程中的压力与温度后,使用PLC控制数字组合阀、冷却阀等完成压力与温度的调节,提高两参数控制的精准度,提高了低压铸造机控制的自动化水平与铸件质量。In order to improve the low pressure casting process of liquid surface pressure and mold temperature control precision, a kind of automatic control system for low pressure casting machine was designed based on PLC using automatic control, PLC, sensor technology. After accurately collecting pressure and temperature parameters, the system can complete the adjustment of pressure and temperature use using PLC control digital combination valve, cooling valve, improve the control precision of the two kinds of physical parameters, improve the automatic control level of low pressure casting machine and the quality of castings.

关 键 词：低压铸造机 PLC 温度 压力 

分 类 号：TG233.1[金属学及工艺—铸造]