Development and Application of High Vacuum Control System for Die Casting Process

Wan Li; Lin Hai; He Wei; Wu Shusen

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Development and Application of High Vacuum Control System for Die Casting Process
Vol. 30, Issue 7, Pages: 633-635(2010)
Published： 2010 ，
DOI：

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[1]万里,林海,何伟,吴树森.压铸用高真空控制系统的开发与应用[J].特种铸造及有色合金,2010,30(07):633-635+584.

Wan Li, Lin Hai, He Wei, et al. Development and Application of High Vacuum Control System for Die Casting Process. [J]. Special Casting & Nonferrous Alloys 30(7):633-635(2010)
[1]万里,林海,何伟,吴树森.压铸用高真空控制系统的开发与应用[J].特种铸造及有色合金,2010,30(07):633-635+584. DOI：

Wan Li, Lin Hai, He Wei, et al. Development and Application of High Vacuum Control System for Die Casting Process. [J]. Special Casting & Nonferrous Alloys 30(7):633-635(2010) DOI：

摘要

针对国内压铸企业在高真空压铸技术方面的应用现状

开发了一套具有自主知识产权、基于PLC和触摸屏的、在普通压铸机上使用的高真空控制系统。该系统能和现有的压铸机匹配

适应于压铸机的普通压铸（无真空）和高真空压铸工作模式

并能对模具的密封状态及真空系统管路进行检测。同时

在压铸过程中系统可自动监测模具型腔中的真空度、真空抽气管路的堵塞情况

以确保高真空压铸生产的可靠性和稳定性。该系统已在某汽车底盘保安零件的压铸生产中得到应用

满足了高真空压铸的要求。

Abstract

According to practical environment of HVDC （high vacuum die casting）process in the domestic plant

a set of high vacuum control system was developed based on the PLC and touching screen technology to apply for common DC machine.The control system exhibits the features of automatically matching with DC machine and two modes feasible for general DC and for HVDC process as well as detecting die sealing and pipe blocking in vacuum system.Meanwhile

cavity vacuum in the die and blocking of vacuum pumping line can be monitored automatically in order to improve production stability and reliability of DC process.The system has been used to produce car chassis part

meeting the requirement of HVDC.