WSI.7液压支架PM4电液控制系统常见故障及其排除方法

Common Troubles and the Soled Way of PM4 Controlling System by Electricity with WSI.7 Hydraulic Pressure Trestle

德国威斯特伐得亚公司生产的WSI .7液压支架 ,是世界上最先进的液压支架。文中讨论了该支架采用的PM4电液控制系统在应用中常见的故障是 :①PM4系统网络中断 ;②PM4邻架操作不动作 ;③成组推溜故障 ;④PM4显示不正常 ,同时给出了故障产生的原因 ,提出了排除故障的基本方法。

WSI.7 Hydraulic pressure trestle made by WXTFDY German is the most advanced ones. This paper discusses the common troubles in use of PM4 controlling by electricity: 1. suspending of PM4 system; 2. mechanism next to the PM4 could not be controlled; 3. something is wrong in PM4; 4. PM4's indications is wrong, and finds some reasons made troubles, put forwards basic way to solve the questions.