球墨铸铁离心铸管主机行走控制的改造  

Reformation of Stepped Control of Centrifugal Machine Used in Nodular Cast Iron Pipe

作　　者：冯云涛[1] 付保军[1] 李伟荣[1] 

机构地区：[1]安阳钢铁集团有限公司,河南安阳455133

出　　处：《铸造技术》2003年第4期305-306,共2页Foundry Technology

摘　　要：球墨铸铁管离心铸造时 ,对承口段浇注提出改进方案。经对主机行走控制的改造 ,使 1次成型率由改造前的 80 %提高到 95 %以上 ,1次打压合格率由原来的 60 %提高到 85 %以上。The Improvement project of pouring of bearing entrance section is put forward when nodular iron pipe is forged by centrifugal casting method. Through reformation of operation control of main part, each molding rate is increased from former 80% to present 95%, every qualified rate in pressure testing is also increased from 60% to 85%.

关 键 词：PID控制 浇注 离心铸管 主机 

分 类 号：TG233[金属学及工艺—铸造]