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onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="ih2f48s" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/xuzhan1996/637368873031943359/5665498.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="qf2bqby" class="content"><p><span>需求數(shù)量：</span>0</p><p><span>價格要求：</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>萊蕪油壓電磁換向閥,電磁換向閥</p><p><span>***更新：</span>2021-02-01 10:13:56</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="xmje3ak" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">蘇州旭展機械有限公司</a></p><p><span>聯(lián)系人：</span>邱小姐</p><p><span>郵箱: </span>2851551878@qq.com</p><p><span>電話: </span>13812753904</p><p><span>傳真: </span>138_</p><p><span>網(wǎng)址: </span>http://www.xu-zhan.com</p><p><span>手機: </span>138-12753904</p><p><span>地址: </span>黃埭鎮(zhèn)東橋長旺路150號</p><p>[當前離線] <a rel="nofollow"> [加為商友] </a><a rel="nofollow"> [發(fā)送信件] </a></p></div></div><div id="kzr73jb" class="page-proshow02"><p class="title">詳細說明</p><div id="fzwlcyf" class="box"><p><p style="text-indent:25px">電磁換向閥常見問題有：不常見問題導致，也有可能是其他一些不常見的問題，比如有電壓，電流不穩(wěn)定，有較大沖擊波動，而導致燒毀。以及根據(jù)電磁鐵工作原理，當電磁換向閥閥芯卡死，而導致電磁鐵通電后銜鐵無法移動到位，此時線圈溫度將急劇升高，并極易導致短時間內(nèi)燒毀，此類故障占電磁閥線圈故障中的多數(shù)。因此在實際維修中，發(fā)生線圈燒毀應當首先檢查電磁閥的工作是否順暢，在排除閥芯卡阻等故障后，更換新線圈，否則線圈更換后仍有可能燒毀。電磁換向閥02通徑的線圈內(nèi)徑為20mm，不同廠家的線圈此數(shù)值可能有所不同，更換的線圈內(nèi)徑及長度必須與原產(chǎn)品一致，萊蕪油壓電磁換向閥，否則無法使用。電磁換向閥可以借助于按鈕開關(guān)，萊蕪油壓電磁換向閥，萊蕪油壓電磁換向閥,行程開關(guān),限位開關(guān),壓力繼電器等發(fā)出的電信號進行控制。萊蕪油壓電磁換向閥</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="萊蕪油壓電磁換向閥,電磁換向閥" src="https://tyunfile.71360.com/UploadFile/xuzhan1996/637368873031943359/5665498.png"></div><p style="text-indent:25px">液壓電磁換向閥的換向和復位時間：一般規(guī)定從電磁鐵通電到閥芯換向終止的時問為電磁換向閥的換向時間，而從電磁鐵斷電到閥芯回到初始位置的時間為電磁換向閥的復位時間。通常換向時間并不等于復位時間，但大致相當，交流電磁換向閥的換向時間約為0.01～0.03s，直流電磁閥的換向時間約為0.02-0.07s。換向頻率：電磁換向閥的換向頻率是指在單位時間內(nèi)閣所允許的換向次數(shù)，電磁換向閥的換向頻率主要受電磁鐵特性的限制，交流電磁鐵的起動電流比正常吸合時的電流高出3倍以上，經(jīng)常起動會加劇線圈的發(fā)熱，一般交流電磁鐵的允許工作頻率在60次／min以下，濕式電磁鐵的散熱條件較好，換向頻率比干式高些。萊蕪油壓電磁換向閥電磁換向閥長期使用后，執(zhí)行機構(gòu)出現(xiàn)運動速度會變慢。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="萊蕪油壓電磁換向閥,電磁換向閥" src="https://tyunfile.71360.com/UploadFile/xuzhan1996/637368872925048828/1797129.png"></div><p style="text-indent:25px">電磁換向閥的主要故障及損排除：換向頻率過高，線圈過熱。干式型電磁閥換向閥推桿處外滲漏油：1．一般電磁閥兩端的油腔是泄油腔或回油腔，應檢查該腔壓力是否過高。如果在系統(tǒng)中多個電磁閥的泄油或回油管道串接在一起造成背壓過高，則應將它們分別單獨接回油箱。2．推桿處的動密封“O”形密封圈磨損過大，應更換。板式連接電磁換向閥與底板的接合面處滲油：1．安裝底板應磨削加工，光潔度達0.8，同時應有不平度誤差要求100：0.01，并不得凸起。 2．安裝螺釘擰得太松。3．螺釘材料不符合要求，強度不夠。目前，許多板式連接電磁換向閥的安裝螺釘均采用合金鋼螺釘。如果原螺釘斷裂或丟失，隨意更換一般碳鋼螺釘，會因受油壓作用引起拉伸變形，造成接合面的滲漏。4．電磁換向閥底面“O”形密封圈老化變質(zhì)，不起密封作用，應更換。</p><p style="text-indent:25px">電磁換向閥的安全性要注意這些：1、腐蝕性介質(zhì)：宜選用塑料王電磁閥和全不銹鋼；對于強腐蝕的介質(zhì)必須選用隔離膜片式。中性介質(zhì)，也宜選用銅合金為閥殼材料的電磁閥，否則，閥殼中常有銹屑脫落，尤其是動作不頻繁的場合。氨用閥則不能采用銅材。2、危險性環(huán)境：必須選用相應防爆等級產(chǎn)品，露天安裝或粉塵多場合應選用防水，防塵品種。3、電磁閥公稱壓力應超過管內(nèi)較高工作壓力。適用性介質(zhì)特性：1）質(zhì)氣，液態(tài)或混合狀態(tài)分別選用不同品種的電磁閥；2）介質(zhì)溫度不同規(guī)格產(chǎn)品，否則線圈會燒掉，密封件老化，嚴重影響壽命命；3）介質(zhì)粘度，通常在50cSt以下。若超過此值，通徑大于15mm時，用多功能電磁閥；通徑小于15mm時，用高粘度電磁閥。4）介質(zhì)清潔度不高時都應在電磁閥前配裝反沖過濾閥，壓力低時，可選用直動膜片式電磁閥；5）介質(zhì)若是定向流通，且不允許倒流，需用雙向流通；6）介質(zhì)溫度應選在電磁閥允許范圍之內(nèi)。電磁換向閥注意事項：裝配時注意閥底部四個O型圈有無脫落。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="萊蕪油壓電磁換向閥,電磁換向閥" src="https://tyunfile.71360.com/UploadFile/xuzhan1996/637368873003964844/6105037.png"></div><p style="text-indent:25px">電磁換向閥要注意：如果使用高速混合機、混合機組的操作過程中電磁閥線圈的工作較為頻繁，非常容易導致漏氣、閥芯卡死不動作，電磁閥線圈容易燒壞等狀況，出現(xiàn)這種狀況的原因分析和整改措施主要有以下內(nèi)容：1、高速混合機應用的壓縮氣體中帶有的水份比較多，非常容易導致電磁閥線圈閥芯的O型圈老化，出現(xiàn)電磁閥線圈漏氣問題；2、高速混合機應用的自然環(huán)境粉塵比較多，粉塵進入到氣動系統(tǒng)中，非常容易導致電磁閥線圈閥芯卡死；3、高速混合機電磁閥線圈的擰緊螺栓松脫，電磁閥線圈工作時非常容易發(fā)燙，導致電磁閥線圈損壞；針對高速混合機易出現(xiàn)的以上幾個問題，在應用操作過程時要特別注意以下二點：1、高速混合機的氣動系統(tǒng)進口加1個空氣過濾器組合（又稱氣動二聯(lián)件或氣動三聯(lián)件），這樣既能除去壓縮氣體中的水分，又能給高速混合機電磁閥線圈和高速混合機氣缸加潤滑油；保護高速混合機的氣動元件。2、高速混合機電磁閥線圈卡死不動作時，將電磁閥線圈拆下來，放到汽油中將電磁閥線圈閥芯清理干凈，重裝后即可應用。3、高速混合機的氣缸保壓出現(xiàn)問題時，將氣缸的O型圈需換掉即可。電磁換向閥注意事項：應根據(jù)所需控制的流量選擇合適的換向閥通徑。萊蕪油壓電磁換向閥</p><p style="text-indent:25px">電磁換向閥安裝底板表面應磨削加工，同時應有平面度要求，不得凸起。萊蕪油壓電磁換向閥</p><p style="text-indent:25px">機械及行業(yè)設(shè)備行業(yè)，顧名思義就是與機械有關(guān)的行業(yè)，在很大程度上影響國民經(jīng)濟大發(fā)展，機械制造業(yè)也在一定程度上體現(xiàn)了經(jīng)濟建設(shè)水平。隨著經(jīng)濟的飛速發(fā)展，我國機械行業(yè)發(fā)展迅速，制造水平明顯提升。重大技術(shù)裝備是關(guān)系我國安全和國民經(jīng)濟命脈的基礎(chǔ)性、戰(zhàn)略性產(chǎn)品，是有限責任公司（自然）企業(yè)綜合實力和重點競爭力的重要標志。近年來，機械工業(yè)在重大技術(shù)裝備的自主研發(fā)中不斷取得突破，創(chuàng)新成果正逐步加入使用。不管是現(xiàn)在還是未來，液壓系統(tǒng)/液壓泵站，液壓站/油路塊定制，非標定制液壓系統(tǒng)/液壓閥，電磁換向閥/液壓動力泵站都不會過時，因為液壓系統(tǒng)/液壓泵站，液壓站/油路塊定制，非標定制液壓系統(tǒng)/液壓閥，電磁換向閥/液壓動力泵站所涵蓋的范圍比較寬泛，能夠為個人家庭、工廠生產(chǎn)、商業(yè)建設(shè)、家庭裝修裝飾等各個領(lǐng)域提供諸多的產(chǎn)品與服務(wù)，因此機械行業(yè)的未來發(fā)展前景相當不錯，可以作為一項長遠的事業(yè)來加入進去。生產(chǎn)型企業(yè)圍繞生產(chǎn)源頭、制造過程和產(chǎn)品性能三個方面加強科技研發(fā)，應用制造工藝，實現(xiàn)綠色制造。推廣節(jié)能低碳技術(shù)，采用制造工藝，發(fā)展循環(huán)經(jīng)濟，形成低加入、低消耗、低排放的業(yè)態(tài)模式，實現(xiàn)低碳制造。萊蕪油壓電磁換向閥</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/3111174.html</p></div></div></div></div></div><div id="87sr8ta" class="page-right twoColRt"><div id="po7a4vs" class="box01 margin10 clearfix"><h3><a 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