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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>上海市</p><p><span>包裝要求：</span><span style="color: #f30;"></span></p><p><span>產(chǎn)品關(guān)鍵詞：</span>多圈單圈編碼器批發(fā)價(jià),編碼器</p><p><span>***更新：</span>2021-01-26 04:14:35</p><p><span id="click" >瀏覽次數(shù)：1次</span></p><a rel="nofollow" class="button">聯(lián)系我們</a></div></div><div id="ri34jbn" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">桁萱自動(dòng)化科技（上海）有限公司</a></p><p><span>聯(lián)系人：</span>儲(chǔ)焰青</p><p><span>郵箱: </span>272205845@qq.com</p><p><span>電話: </span>18017028721</p><p><span>傳真: </span>021_</p><p><span>網(wǎng)址: </span>http://www.sh-hengxuan.com</p><p><span>手機(jī): </span>021-57658113</p><p><span>地址: </span>嘉好路1333號(hào)501</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="oskcjqn" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="kdaheg3" class="box"><p><p style="text-indent:25px">對(duì)于距離測(cè)量應(yīng)用，從技術(shù)角度看，選用增量型編碼器都是可以實(shí)現(xiàn)的，編碼器的優(yōu)勢(shì)更多是體現(xiàn)在精度性能等方面，而增量型編碼器則顯得更加經(jīng)濟(jì)、實(shí)用。若沒有特殊要求，在測(cè)量物料進(jìn)給距離時(shí)，就沒有必要采用反饋，充其量為了提升測(cè)量精度，可以使用單圈編碼器。而如果要實(shí)現(xiàn)對(duì)物體的位置測(cè)量，就非常有必要考慮使用編碼器了，因?yàn)檫@將涉及到反饋編碼性的問題。反饋編碼指的是編碼器在一個(gè)特定的旋轉(zhuǎn)周期范圍內(nèi)不會(huì)出現(xiàn)重復(fù)的信號(hào)輸出，多圈單圈編碼器批發(fā)價(jià)，每個(gè)角度的位置編碼都是獨(dú)特的，多圈單圈編碼器批發(fā)價(jià)。脈沖編碼器的結(jié)構(gòu)：在一個(gè)圓盤的圓周上刻有等間距線紋，多圈單圈編碼器批發(fā)價(jià)，分為透明和不透明的部分，稱為圓光柵。多圈單圈編碼器批發(fā)價(jià)</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="多圈單圈編碼器批發(fā)價(jià),編碼器" src="https://tyunfile.71360.com/UploadFile/shhxzdh/637425141691041878/9476999.png"></div><p style="text-indent:25px">編碼器如是驅(qū)動(dòng)器輸出，一般信號(hào)電平是5V的，連接的時(shí)候要小心，不要讓24V的電源電平串入5V的信號(hào)接線中去而損壞編碼器的信號(hào)端。在很多的情況之下是編碼器并沒有壞，而只是干擾的原因，造成波型不好，導(dǎo)致計(jì)數(shù)不準(zhǔn)。請(qǐng)教如何進(jìn)行判斷？編碼器屬精密元件，這主要因?yàn)榫幋a器周圍干擾比較嚴(yán)重，比如：是否有大型電動(dòng)機(jī)、電焊機(jī)頻繁起動(dòng)造成干擾，是否和動(dòng)力線同一管道傳輸?shù)?。選擇什么樣的輸出對(duì)抗干擾也很重要，一般輸出帶反向信號(hào)的抗干擾要好一些，即A+~A-,B+~B-,Z+~Z-，其特征是加上電源8根線，而不是5根線(共零)。多圈單圈編碼器批發(fā)價(jià)常用的為增量型編碼器，如果對(duì)位置、零位有嚴(yán)格要求用編碼器。伺服系統(tǒng)要具體分析，看應(yīng)用場(chǎng)合。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="多圈單圈編碼器批發(fā)價(jià),編碼器" src="https://tyunfile.71360.com/UploadFile/shhxzdh/637425141633805584/6668321.png"></div><p style="text-indent:25px">常見編碼器本身故障和維修：編碼器本身故障：是指編碼器本身元器件出現(xiàn)故障，導(dǎo)致其不能產(chǎn)生和輸出正確的波形。這種情況下需更換編碼器或維修其內(nèi)部器件。編碼器+5V電源下降：是指+5V電源過低，通常不能低于4.75V，造成過低的原因是供電電源故障或電源傳送電纜阻值偏大而引起損耗，這時(shí)需檢修電源或更換電纜。編碼器安裝松動(dòng)：這種故障會(huì)影響位置控制精度，造成停止和移動(dòng)中位置偏差量超差，甚至剛一開機(jī)即產(chǎn)生伺服系統(tǒng)過載報(bào)警，請(qǐng)?zhí)貏e注意。編碼器電池電壓下降：這種故障通常有含義明確的報(bào)警，這時(shí)需更換電池，如果參考點(diǎn)位置記憶丟失，還須執(zhí)行重回參考點(diǎn)操作。</p><p style="text-indent:25px">編碼器的脈沖信號(hào)的輸出頻率與轉(zhuǎn)速成線性比例關(guān)系的。隨著轉(zhuǎn)速的增加編碼器的輸出信號(hào)頻率增加。從故障現(xiàn)象看，這是典型的信號(hào)長(zhǎng)線傳輸高頻特性不良造成的問題。通過線路及電纜的情況調(diào)查，基本將問題鎖定在編碼器傳輸線路上。改善信號(hào)電纜的輸出特性；減小高頻信號(hào)的傳輸距離；信號(hào)電纜的空間排布；增強(qiáng)編碼器輸出帶載能力等?；诂F(xiàn)場(chǎng)實(shí)際情況，重新整理信號(hào)電纜的傳輸距離（從130m減小到90m）后，較大減小了信號(hào)傳輸?shù)木嚯x，極大的改善了長(zhǎng)線高頻信號(hào)傳輸?shù)奶匦?。前者成為碼盤，后者稱碼尺，按照讀出方式編碼器可以分為接觸式和非接觸式兩種。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="多圈單圈編碼器批發(fā)價(jià),編碼器" src="https://tyunfile.71360.com/UploadFile/shhxzdh/637425141735553574/4272572.png"></div><p style="text-indent:25px">編碼器的脈沖信號(hào)的輸出頻率與轉(zhuǎn)速成線性比例關(guān)系的。隨著轉(zhuǎn)速的增加編碼器的輸出信號(hào)頻率增加。從故障現(xiàn)象看，這是典型的信號(hào)長(zhǎng)線傳輸高頻特性不良造成的問題。通過線路及電纜的情況調(diào)查，基本將問題鎖定在編碼器傳輸線路上。問題的解決：改善信號(hào)電纜的輸出特性；減小高頻信號(hào)的傳輸距離；信號(hào)電纜的空間排布；增強(qiáng)編碼器輸出帶載能力等?；诂F(xiàn)場(chǎng)實(shí)際情況，重新整理信號(hào)電纜的傳輸距離（從130m減小到90m）后，較大減小了信號(hào)傳輸?shù)木嚯x，極大的改善了長(zhǎng)線高頻信號(hào)傳輸?shù)奶匦?。編碼器產(chǎn)生電信號(hào)后由數(shù)控制置CNC、可編程邏輯控制器PLC、控制系統(tǒng)等來處理。SSI編碼器IP67</p><p style="text-indent:25px">脈沖編碼器的抗污染能力差，容易損壞。多圈單圈編碼器批發(fā)價(jià)</p><p style="text-indent:25px">旋轉(zhuǎn)編碼器選型注意事項(xiàng)，旋轉(zhuǎn)編碼器和接近開關(guān)、光電開關(guān)優(yōu)勢(shì)比較：編碼器單圈從經(jīng)濟(jì)型8位到高精度17位；編碼器多圈大部分用25位，輸出有SSI，總線Profibus-DP,Can L2,Interbus,DeviceNet。旋轉(zhuǎn)增量式編碼器以轉(zhuǎn)動(dòng)時(shí)輸出脈沖，通過計(jì)數(shù)設(shè)備來知道其位置，當(dāng)編碼器不動(dòng)或停電時(shí)，依靠計(jì)數(shù)設(shè)備的內(nèi)部記憶來記住位置。這樣，當(dāng)停電后，編碼器不能有任何的移動(dòng)，當(dāng)來電工作時(shí)，編碼器輸出脈沖過程中，也不能有干擾而丟失脈沖，不然，計(jì)數(shù)設(shè)備記憶的零點(diǎn)就會(huì)偏移，而且這種偏移的量是無從知道的，只有錯(cuò)誤的生產(chǎn)結(jié)果出現(xiàn)后才能知道。解決的方法是增加參考點(diǎn)，編碼器每經(jīng)過參考點(diǎn)，將參考位置修正進(jìn)計(jì)數(shù)設(shè)備的記憶位置。在參考點(diǎn)以前，是不能保證位置的準(zhǔn)確性的。為此，在工控中就有每次操作先找參考點(diǎn)，開機(jī)找零等方法。多圈單圈編碼器批發(fā)價(jià)</p></p><br /><p>文章來源地址: http://m.cdcfah.com/cp/3013667.html</p></div></div></div></div></div><div id="ibognpm" class="page-right twoColRt"><div id="8uqxzlx" class="box01 margin10 clearfix"><h3><a href="http://m.cdcfah.com/cp/">猜你喜歡</a></h3><div id="folnpwt" class="recomPic likePro"><a href="http://m.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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