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公司基本資料信息
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陜西欣鴻然自動化設(shè)備有限公司
v?聯(lián)系人:寧輝
v?熱??線:029-83338940
v?手?機:18049484083??
v?Q?Q:271968858????Q?Q:1067802570????????
v?傳真:029-83561013??
行程開關(guān)就是一般所說的限位開關(guān)??梢岳斫鉃槭且唤M接通或斷開的簡單電路。
“用來檢測物體是否移動到限定的位置”,例如,機床的移動工作臺上裝撞塊,相對不動的床身上裝行程開關(guān),當機床工作臺移動預(yù)先設(shè)定的距離后,工作臺上的撞塊壓動床身上安裝的行程開關(guān),行程開關(guān)斷開或接通,就有電信號反應(yīng)到控制柜中,工作臺停止移動或反向移動。
“原理是當物體碰觸到限位開關(guān),開關(guān)的常開點閉合,常閉點斷開,用來控制電路或接受信號”
常開與常閉是開關(guān)的兩種原始狀態(tài),常開型一般指沒有壓下的狀態(tài)電路是開通的,常閉型一般指沒有壓下的狀態(tài)電路是斷開的。根據(jù)需要來進行選擇,開關(guān)的常開點斷開或常閉點閉合。
如撞塊壓下行程開關(guān)常開點斷開(斷開電路)或常閉點閉合(接通電路)
常開接點:在不受外力(包括電力)的作用下,開關(guān)斷開的,就是常開接點。
物體碰觸到限位開關(guān),開關(guān)的常開點閉合,常閉點斷開,用來控制電路或接受信號。物體可以是任何機械裝置。行程開關(guān)與繼電器是不同的“開關(guān)”繼電器是有電磁線圈的,行程開關(guān)是沒有的,內(nèi)部只有開關(guān)接點,需要外力的作用才使開關(guān)轉(zhuǎn)換狀態(tài)。
限位開關(guān)的應(yīng)用方面很多,很多電器里面都有它的身影。那這么簡單的開關(guān)能起什么作用呢?它主要是起連鎖保護的作用。最常見的例子莫過于其在洗衣機和錄音機(錄像機)中的應(yīng)用了。
Limit?switch?is?mainly?used?for?the?mechanical?displacement?into?an?electrical?signal,?the?motor?running?state?can?be?changed,?so?as?to?control?mechanical?action?or?to?be?used?in?process?control.
Position?switch?real?handy?limit?is?in?industry,?where?it?and?other?equipment,?composed?of?more?complex?automation?equipment.
Machine?tools?have?many?such?limit?switch,?it?is?used?to?control?the?movement?of?the?workpiece?or?automatic?feed?stroke,?to?avoid?collision.?Sometimes?use?the?limit?switch?makes?the?controlled?objects?between?the?provisions?of?the?two?position?automatic?reversing,?so?as?to?obtain?the?continuous?reciprocating?motion.?Such?as?auto?transport?material?car?reaches?the?finishing?touch?limit?switch,?to?connect?to?the?dumper?body,?put?an?overturned?car?material,?and?return?to?the?starting?point.?Arrive?at?the?starting?point?after?the?starting?point?of?the?touch?switch,?the?circuit?charging?mechanism,?start?automatic?loading.?Always?go?on?like?this,?it?becomes?a?set?of?automatic?production?line,?need?not?tube,?working?day?and?night,?save?the?manual?labor.
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