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class="content"><p><span>需求數(shù)量：</span>0</p><p><span>價(jià)格要求：</span>面議</p><p><span>所在地：</span>江蘇省</p><p><span>包裝要求：</span><span style="color: #f30;"></span></p><p><span>產(chǎn)品關(guān)鍵詞：</span>機(jī)械式限位開(kāi)關(guān)符號(hào),限位開(kāi)關(guān)</p><p><span>***更新：</span>2020-10-23 01:21:01</p><p><span id="click" >瀏覽次數(shù)：0次</span></p><a rel="nofollow" class="button">聯(lián)系我們</a></div></div><div id="5duqxyp" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">無(wú)錫市凱爾利科技有限公司</a></p><p><span>聯(lián)系人：</span>陳經(jīng)理</p><p><span>郵箱: </span>414323414@qq.com</p><p><span>電話(huà): </span>18118900923</p><p><span>傳真: </span>0510_</p><p><span>網(wǎng)址: </span>http://www.kerly.com.cn</p><p><span>手機(jī): </span>0510-81150880</p><p><span>地址: </span>梅村工業(yè)集中區(qū)錫鴻路48-2號(hào)樓</p><p>[當(dāng)前離線] <a rel="nofollow"> [加為商友] </a><a rel="nofollow"> [發(fā)送信件] </a></p></div></div><div id="6evbsjk" class="page-proshow02"><p class="title">詳細(xì)說(shuō)明</p><div id="n8337hv" class="box"><p><p style="text-indent:25px">限位開(kāi)關(guān)可廣fan應(yīng)用于建筑、港口、礦山等行業(yè)的起重、傳輸機(jī)械的空間三坐標(biāo)的控制和限位，限位開(kāi)關(guān)由高精度的大傳動(dòng)比減速器和與其輸出軸同步的機(jī)械記憶控制機(jī)構(gòu)、傳感器組成，因限位開(kāi)關(guān)具有體積小、功能多、精度高、限位可調(diào)、通用性強(qiáng)及維護(hù)安裝和使用調(diào)整方便等特點(diǎn)在工程機(jī)械中應(yīng)用極其廣fan。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。工作限位開(kāi)關(guān)安裝在機(jī)構(gòu)需要改變工況的位置，機(jī)械式限位開(kāi)關(guān)符號(hào)，開(kāi)關(guān)動(dòng)作后，給出信號(hào)，機(jī)械式限位開(kāi)關(guān)符號(hào)，進(jìn)行別的相關(guān)動(dòng)作，機(jī)械式限位開(kāi)關(guān)符號(hào)。極限限位開(kāi)關(guān)安裝在機(jī)構(gòu)動(dòng)作的遠(yuǎn)端，用來(lái)保護(hù)機(jī)構(gòu)動(dòng)作過(guò)大出現(xiàn)機(jī)構(gòu)損壞。限位開(kāi)關(guān)在市場(chǎng)上可以覆蓋大多數(shù)限位應(yīng)用。機(jī)械式限位開(kāi)關(guān)符號(hào)</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="機(jī)械式限位開(kāi)關(guān)符號(hào),限位開(kāi)關(guān)" src="https://tyunfile.71360.com/UploadFile/kaierli/637332699518974609/3737910.png"></div><p style="text-indent:25px">行程開(kāi)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(jiǎn)單的開(kāi)關(guān)能起什么作用呢？它主要是起連鎖保護(hù)的作用。常見(jiàn)的例子莫過(guò)于其在洗衣機(jī)和錄音機(jī)（錄像機(jī)）中的應(yīng)用了。在洗衣機(jī)的脫水（甩干）過(guò)程中轉(zhuǎn)速很高，如果此時(shí)有人由于疏忽打開(kāi)洗衣機(jī)的門(mén)或蓋后，再把手伸進(jìn)去，很容易對(duì)人造成傷害，為了避免這種事故的發(fā)生，在洗衣機(jī)的門(mén)或蓋上裝了個(gè)電接點(diǎn)，一旦有人開(kāi)啟洗衣機(jī)的門(mén)或蓋時(shí)，就自動(dòng)把電機(jī)斷電，甚至還要靠機(jī)械辦法聯(lián)動(dòng)，使門(mén)或蓋一打開(kāi)就立刻“剎車(chē)”，強(qiáng)迫轉(zhuǎn)動(dòng)著的部件停下來(lái)，免得傷害人身。在錄音機(jī)和錄像機(jī)中，我們常常使用到快進(jìn)或者倒帶，磁帶急速地轉(zhuǎn)動(dòng)，但是當(dāng)?shù)竭_(dá)磁帶的端點(diǎn)時(shí)會(huì)自動(dòng)停下來(lái)。在這里行程開(kāi)關(guān)又一次發(fā)揮了作用，不過(guò)這一次不是靠碰撞而是靠磁帶的張力的突然增大引起動(dòng)作的。機(jī)械式限位開(kāi)關(guān)符號(hào)極限限位開(kāi)關(guān)采用的是混合技術(shù)通過(guò)電磁灶確定目標(biāo)位置的。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="機(jī)械式限位開(kāi)關(guān)符號(hào),限位開(kāi)關(guān)" src="https://tyunfile.71360.com/UploadFile/kaierli/637332699372011719/2914577.png"></div><p style="text-indent:25px">限位開(kāi)關(guān)就是用以限定機(jī)械設(shè)備的運(yùn)動(dòng)極限位置的電氣開(kāi)關(guān)。限位開(kāi)關(guān)有接觸式的和非接觸式的。接觸式的比較直觀，機(jī)械設(shè)備的運(yùn)動(dòng)部件上，安裝上行程開(kāi)關(guān)，與其相對(duì)運(yùn)動(dòng)的固定點(diǎn)上安裝極限位置的擋塊，或者是相反安裝位置。當(dāng)行程開(kāi)關(guān)的機(jī)械觸頭碰上擋塊時(shí)，切斷了（或改變了）控制電路，機(jī)械就停止運(yùn)行或改變運(yùn)行。由于機(jī)械的慣性運(yùn)動(dòng)，這種行程開(kāi)關(guān)有一定的“超行程”以保護(hù)開(kāi)關(guān)不受損壞。非接觸式的形式很多，常見(jiàn)的有干簧管、光電式、感應(yīng)式等，這幾種形式在電梯中都能夠見(jiàn)到。當(dāng)然還有更多的先進(jìn)形式。限位開(kāi)關(guān)主要有開(kāi)關(guān)元件，接線端子、開(kāi)關(guān)操動(dòng)件、傳動(dòng)部分組成，根據(jù)開(kāi)關(guān)觸頭接通和斷開(kāi)機(jī)械機(jī)理，開(kāi)關(guān)元件有以下兩類(lèi)：慢動(dòng)開(kāi)關(guān)：開(kāi)關(guān)的接通和斷開(kāi)動(dòng)作切換時(shí)間與開(kāi)關(guān)的操動(dòng)速度有關(guān)，操動(dòng)速度越快，開(kāi)關(guān)的切換也越快?？靹?dòng)開(kāi)關(guān)：開(kāi)關(guān)的接通和斷開(kāi)的轉(zhuǎn)換時(shí)間與開(kāi)關(guān)**動(dòng)的速度無(wú)關(guān)，只要開(kāi)關(guān)操動(dòng)部件**動(dòng)到一定位置，開(kāi)關(guān)便發(fā)生接通和斷開(kāi)切換，此過(guò)程時(shí)間一般為彈簧彈跳所需時(shí)間，此時(shí)間極短，為一常數(shù)。</p><p style="text-indent:25px">小型限位開(kāi)關(guān)動(dòng)作特性：fp（自由位置）：沒(méi)有施加外力時(shí)驅(qū)動(dòng)桿的位置op（動(dòng)作位置）：驅(qū)動(dòng)桿施加外力,使開(kāi)關(guān)接點(diǎn)剛從自由位置狀態(tài)開(kāi)始反轉(zhuǎn)時(shí)的驅(qū)動(dòng)桿位置ttp（總行程位置）：驅(qū)動(dòng)桿到達(dá)傳動(dòng)停止位置時(shí)驅(qū)動(dòng)桿的位置rp（返回位置）：減小對(duì)驅(qū)動(dòng)桿的外力，使開(kāi)關(guān)的可動(dòng)接點(diǎn)剛從動(dòng)作位置反轉(zhuǎn)到自由位置狀態(tài)時(shí)的驅(qū)動(dòng)桿位置限位開(kāi)關(guān)的動(dòng)作特性of（動(dòng)作力）：為了從自由位置移動(dòng)到工作位置所必須給驅(qū)動(dòng)桿施加的力rf（回復(fù)力）：為了從總行程位置移動(dòng)到回復(fù)位置必須對(duì)驅(qū)動(dòng)桿施加的力ttf（總行程所需的力）：從自由位置運(yùn)行到總行程位置必須加到驅(qū)動(dòng)桿上的力限位開(kāi)關(guān)的動(dòng)作特性pt（預(yù)行程）：驅(qū)動(dòng)桿從自由位置到動(dòng)作位置的移動(dòng)距離或移動(dòng)角度ot（過(guò)行程）：驅(qū)動(dòng)桿從動(dòng)作位置到總行程位置的移動(dòng)距離或移動(dòng)角度md（應(yīng)差行程）：驅(qū)動(dòng)桿從動(dòng)作位置到返回位置的移動(dòng)距離或移動(dòng)角度tt（總行程）：驅(qū)動(dòng)桿從自由位置到總行程位置的移動(dòng)距離或移動(dòng)角度。無(wú)線限位開(kāi)關(guān)可減少因接近傳感器而導(dǎo)致設(shè)備停機(jī)時(shí)間以及生產(chǎn)力損失。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="機(jī)械式限位開(kāi)關(guān)符號(hào),限位開(kāi)關(guān)" src="https://tyunfile.71360.com/UploadFile/kaierli/637332699399355469/4660755.png"></div><p style="text-indent:25px">行程開(kāi)關(guān)主要用于將機(jī)械位移轉(zhuǎn)變成電信號(hào)，使電動(dòng)機(jī)的運(yùn)行狀態(tài)得以改變，從而控制機(jī)械動(dòng)作或用作程序控制。行程開(kāi)關(guān)真正的用武之地是在工業(yè)上，在那里它與其它設(shè)備配合，組成更復(fù)雜的自動(dòng)化設(shè)備。機(jī)床上有很多這樣的行程開(kāi)關(guān)，用它控制工件運(yùn)動(dòng)或自動(dòng)進(jìn)刀的行程，避免發(fā)生碰撞事故。有時(shí)利用行程開(kāi)關(guān)使被控物體在規(guī)定的兩個(gè)位置之間自動(dòng)換向，從而得到不斷的往復(fù)運(yùn)動(dòng)。比如自動(dòng)運(yùn)料的小車(chē)到達(dá)終點(diǎn)碰著行程開(kāi)關(guān)，接通了翻車(chē)機(jī)構(gòu)，就把車(chē)?yán)锏奈锪戏钩鰜?lái)，并且退回到起點(diǎn)。到達(dá)起點(diǎn)之后又碰著起點(diǎn)的行程開(kāi)關(guān)，把裝料機(jī)構(gòu)的電路接通，開(kāi)始自動(dòng)裝車(chē)?？偸沁@樣下去，就成了一套自動(dòng)生產(chǎn)線，用不著人管，日以繼夜地工作，節(jié)省了人的體力勞動(dòng)。金屬限位開(kāi)關(guān)可以安裝在相對(duì)靜止的物體上或者運(yùn)動(dòng)的物體上。機(jī)械式限位開(kāi)關(guān)符號(hào)</p><p style="text-indent:25px">限位開(kāi)關(guān)在生活中的應(yīng)用方面有很多，很多電器里面都有它的身影。機(jī)械式限位開(kāi)關(guān)符號(hào)</p><p style="text-indent:25px">限位開(kāi)關(guān)的標(biāo)準(zhǔn)：限位開(kāi)關(guān)耐環(huán)境規(guī)格、支持各種工件的驅(qū)動(dòng)桿、可與工件相匹配的動(dòng)作敏感度、有助于操作與維護(hù)的動(dòng)作指示燈以及多種配線規(guī)格，種類(lèi)豐富，應(yīng)用廣fan，可滿(mǎn)足您的各種需求。該系列包含高密閉型、高密封型、耐熱型、耐寒型、耐腐蝕型以及耐候性型。請(qǐng)根據(jù)實(shí)際環(huán)境選用。通過(guò)提高頭部結(jié)構(gòu)的耐磨耗性和滑動(dòng)性來(lái)實(shí)現(xiàn)高壽命。此外，通過(guò)用熒光顯示行程設(shè)定區(qū)域來(lái)提高設(shè)定時(shí)的目視確定性。閥門(mén)限位開(kāi)關(guān)（回訊器）是自控系統(tǒng)閥門(mén)位置顯示和信號(hào)反饋的一種現(xiàn)場(chǎng)儀表，用以將閥門(mén)的開(kāi)啟或關(guān)閉位置以開(kāi)關(guān)量（觸點(diǎn)）的信號(hào)輸出，被程控接受或計(jì)算機(jī)訪樣，確認(rèn)后執(zhí)行下一程序。該產(chǎn)品外觀美觀、質(zhì)量可靠、性能穩(wěn)定、免維護(hù)等特點(diǎn)。機(jī)械式限位開(kāi)關(guān)符號(hào)</p><p style="text-indent:25px">無(wú)錫市凱爾利科技有限公司主要經(jīng)營(yíng)范圍是機(jī)械及行業(yè)設(shè)備，擁有一支專(zhuān)業(yè)技術(shù)團(tuán)隊(duì)和良好的市場(chǎng)口碑。公司自成立以來(lái)，以質(zhì)量為發(fā)展，讓匠心彌散在每個(gè)細(xì)節(jié)，公司旗下氣動(dòng)執(zhí)行器，限位開(kāi)關(guān)，電磁閥，過(guò)濾減壓器深受客戶(hù)的喜愛(ài)。公司將不斷增強(qiáng)企業(yè)重點(diǎn)競(jìng)爭(zhēng)力，努力學(xué)習(xí)行業(yè)知識(shí)，遵守行業(yè)規(guī)范，植根于機(jī)械及行業(yè)設(shè)備行業(yè)的發(fā)展。凱爾利科技憑借創(chuàng)新的產(chǎn)品、專(zhuān)業(yè)的服務(wù)、眾多的成功案例積累起來(lái)的聲譽(yù)和口碑，讓企業(yè)發(fā)展再上新高。</p></p><br /><p>文章來(lái)源地址: http://www.cdcfah.com/cp/1665895.html</p></div></div></div></div></div><div id="dg3nlri" class="page-right twoColRt"><div id="0n2c2yp" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="o34ohtp" class="recomPic likePro"><a href="http://www.cdcfah.com/cp/814588.html"><div><img src="http://tyunfile.71360.com/UpLoadFile/2019/11/1/14/637082168864691056_lgpj_5374157.jpg" alt="福建ZF配件哪家強(qiáng) 信息推薦自業(yè)物資供應(yīng)" class="vcenter" 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