针对锻压机械对位置控制和同步控制的精度要求, 介绍几种位移传感器的基本工作原理、性能特点以及相应的安装使用方法L 对工程技术人员正确选用和安装位置检测元件具有一定的指导意义L关键词: 位移传感器; 位置检测; 锻压机械Abstract: A im ing at accu racy dem ands of po sit ion con t ro l & synch ronou s con t ro l on m etal fo rm2 ing m ach ines, th is paper in t roduces a few type disp lacem en t t ran sducers, w h ich include wo rk p rincip le, perfo rm ance, u sing and f ix ing m ethod. It has h igh p ract ical engineering value fo r engi2 neers to bo th choo se and f ix such po sit ion m easu re elem en t.Key words: disp lacem en t t ran sducer; po sit ion m easu re; m etal fo rm ing m ach ines