PIZZATOFP1031限位開(kāi)關(guān) 介紹
限位開(kāi)關(guān)是一種檢測(cè)并控制機(jī)械運(yùn)動(dòng)超過(guò)限制位移的一種傳感器，比如電卷簾閘門到位限位器，就是保證閘門開(kāi)啟或關(guān)閉到規(guī)定位置時(shí)電機(jī)就停止工作，保證電機(jī)和機(jī)械構(gòu)件不會(huì)過(guò)度工作而損壞。常用的限位開(kāi)關(guān)有各種行程開(kāi)關(guān)，微動(dòng)開(kāi)關(guān)光電開(kāi)關(guān)，總之，只要搭配相應(yīng)的檢測(cè)裝置并完成功能要求的 都可以作為限位開(kāi)關(guān)。
限位開(kāi)關(guān)的原理和作用分別是什么？
限位開(kāi)關(guān)就是以限定機(jī)械設(shè)備的運(yùn)動(dòng)極限位置的電氣開(kāi)關(guān)。它主要可以分為兩種，接觸式的和非接觸式的。限位開(kāi)關(guān) 又稱行程限位開(kāi)關(guān)，用于控制機(jī)械設(shè)備的行程及限位保護(hù)。在實(shí)際生產(chǎn)中，將行程限位開(kāi)關(guān)安裝在預(yù)先安排的位置。限位開(kāi)關(guān)分工作限位開(kāi)關(guān)和極限限位開(kāi)關(guān)，工作限位開(kāi)關(guān)是用來(lái)給出機(jī)構(gòu)動(dòng)作到位信號(hào)的。極限限位開(kāi)關(guān)是防止機(jī)構(gòu)動(dòng)作超出設(shè)計(jì)范圍而發(fā)生事故的
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SKF177-300-093SKF 177?300?093
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