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class="home-main container clearfix"><div id="uyv9vhj" class="twoCol"><div id="ei3yaxo" class="page-proshow clearfix"><p class="current"> 當(dāng)前位置:<a href="http://www.cdcfah.com/">首頁?<a href="http://www.cdcfah.com/cp/">產(chǎn)品供應(yīng)</a>?<a href="http://www.cdcfah.com/cp/first-_jxjxysb/">機(jī)械及行業(yè)設(shè)備</a>?<a href="http://www.cdcfah.com/cp/second-jxjxysb_yyjyyj/">液壓機(jī)械與元件</a>?<a href="http://www.cdcfah.com/cp/third-yyjyyj_yeyaxitong/">液壓系統(tǒng)</a>?金華疊加液壓閥客戶至上蘇州旭展機(jī)械供應(yīng)</p><div id="ketnoqm" class="leftbox clearfix"><h1>金華疊加液壓閥客戶至上蘇州旭展機(jī)械供應(yīng)</h1><div id="scet2d7" class="proBig"><div id="mqsw8fm" class="bigimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/xuzhan1996/637368872482939453/6693343.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="7ul8dfr" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/xuzhan1996/637368872482939453/6693343.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="rvxrqho" 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>金華疊加液壓閥,液壓閥</p><p><span>***更新：</span>2021-01-22 07:12:49</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="ga3gikr" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">蘇州旭展機(jī)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(jī): </span>138-12753904</p><p><span>地址: </span>黃埭鎮(zhèn)東橋長旺路150號(hào)</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="k3ur7se" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="sjvxrsz" class="box"><p><p style="text-indent:25px">由于節(jié)流閥的流量不僅取決于節(jié)流口面積的大小，金華疊加液壓閥，還與節(jié)流口前后的壓差有關(guān)，閥的剛度小，故只適用于執(zhí)行元件負(fù)載變化很小且速度穩(wěn)定性要求不高的場合。對(duì)于執(zhí)行元件負(fù)載變化大及對(duì)速度穩(wěn)定性要求高的節(jié)流調(diào)速系統(tǒng)，金華疊加液壓閥，必須對(duì)節(jié)流閥進(jìn)行壓力補(bǔ)償來保持節(jié)流閥前后壓差不變，從而達(dá)到流量穩(wěn)定。當(dāng)節(jié)流閥（即蝴蝶閥）被沉積物所阻礙時(shí)，節(jié)氣門開度值產(chǎn)生紊亂，發(fā)動(dòng)機(jī)不能穩(wěn)定，金華疊加液壓閥、精確的控制其開度，開度值過低造成啟動(dòng)困難、怠速不穩(wěn)或異常熄火；發(fā)動(dòng)機(jī)加減速時(shí)，節(jié)流閥不能及時(shí)響應(yīng)會(huì)導(dǎo)致加速延遲或突然提速。順序閥：能使一個(gè)執(zhí)行元件（如液壓缸﹑液壓馬達(dá)等）動(dòng)作以后，再按順序使其他執(zhí)行元件動(dòng)作。金華疊加液壓閥</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="金華疊加液壓閥,液壓閥" src="https://tyunfile.71360.com/UploadFile/xuzhan1996/637368872482939453/6693343.png"></div><p style="text-indent:25px">液控單向閥是可以使單向閥反向流通的閥。這種閥在煤機(jī)械的液壓支護(hù)設(shè)備中占有較重要的地位。液控單向閥與普通單向閥不同之處是多了一個(gè)控制油路K，當(dāng)控制油路未接通壓力油液時(shí)，液控單向閥就象普通單向閥一樣工作，壓力油只從進(jìn)油口流向出油口，不能反向流動(dòng)。當(dāng)控制油路油控制壓力輸入時(shí)，活塞頂桿在壓力油作用下向右移動(dòng)，用頂桿頂開單向閥，使進(jìn)出油口接通。若出油口大于進(jìn)油口就能使油液反向流動(dòng)。液控單向閥是方向控制閥中的一種。具體分類：方向控制閥按其在液壓系統(tǒng)中的功能分為單向閥和換向閥兩大類。單向閥在液壓傳動(dòng)中有普通單向閥和液控單向閥。金華疊加液壓閥液壓控制閥（簡稱液壓閥）在液壓系統(tǒng)中的功用是通過控制調(diào)節(jié)液壓系統(tǒng)中油液的流向、壓力和流量。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="金華疊加液壓閥,液壓閥" src="https://tyunfile.71360.com/UploadFile/xuzhan1996/637368872457958984/8075708.png"></div><p style="text-indent:25px">通斷式開關(guān)閥是液壓系統(tǒng)中使用較為普遍的。閥口只能進(jìn)行“開”或“關(guān)”的調(diào)節(jié)，閥口開度大小若被調(diào)定則不可再更變。這種靠調(diào)節(jié)手柄、凸輪等結(jié)構(gòu)設(shè)定的壓力、流量和方向參數(shù)均不可連續(xù)按比例進(jìn)行控制，且控制精度并不高，除非操作者再次手動(dòng)調(diào)節(jié)，否則數(shù)值仍不改變。究其上述，這類閥無法較好的滿足高質(zhì)量控制系統(tǒng)的操作要求，但由于價(jià)格相對(duì)實(shí)惠，可適應(yīng)大批中端液壓系統(tǒng)的技術(shù)要求。一種新型比例伺服閥——即高性能比例方向閥，它也采用比例電磁鐵作為電-機(jī)械轉(zhuǎn)換器，同時(shí)閥芯和閥套采用與伺服閥相同的加工工藝、配合精度和零遮蓋的閥口等，其抗污染能力遜色于伺服閥，但控制性能與伺服閥更為接近，也能用于各種工業(yè)閉環(huán)控制中。</p><p style="text-indent:25px">液壓閥在液壓系統(tǒng)中的功用是通過控制調(diào)節(jié)液壓系統(tǒng)中油液的流向、壓力和流量，使執(zhí)行器及其驅(qū)動(dòng)的工作機(jī)構(gòu)獲得所需的運(yùn)動(dòng)方向、推力（轉(zhuǎn)矩）及運(yùn)動(dòng)速度（轉(zhuǎn)速）等。任何一個(gè)液壓系統(tǒng)，不論其如何簡單，都不能缺少液壓閥；同一工藝目的的液壓機(jī)械設(shè)備，通過液壓閥的不同組合使用，可以組成油路結(jié)構(gòu)截然不同的多種液壓系統(tǒng)方案。因此，液壓閥是液壓技術(shù)中品種與規(guī)格較多、應(yīng)用較普遍、較活躍的部分（元件）；一個(gè)新設(shè)計(jì)或正在運(yùn)轉(zhuǎn)的液壓系統(tǒng)，能否按照既定要求正?？煽康剡\(yùn)行，在很大程度上取決于其中所采用的各種液壓閥的性能優(yōu)劣及參數(shù)匹配是否合理。利用調(diào)節(jié)閥芯和閥體間的節(jié)流口面積和它所產(chǎn)生的局部阻力對(duì)流量進(jìn)行調(diào)節(jié)，從而控制執(zhí)行元件的運(yùn)動(dòng)速度。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="金華疊加液壓閥,液壓閥" src="https://tyunfile.71360.com/UploadFile/xuzhan1996/637368872422851562/3506660.png"></div><p style="text-indent:25px">節(jié)流閥前、后的壓力p2和p3分別引到減壓閥閥芯右、左兩端，當(dāng)負(fù)載壓力p3增大，于是作用在減壓閥芯左端的液壓力增大，閥芯右移，減壓口加大，壓降減小，使p2也增大，從而使節(jié)流閥的壓差（p2-p3）保持不變；反之亦然。這樣就使調(diào)速閥的流量恒定不變（不受負(fù)載影響）。調(diào)速閥是由定差減壓閥與節(jié)流閥串聯(lián)而成的組合閥。節(jié)流閥用來調(diào)節(jié)通過的流量，定差減壓閥則自動(dòng)補(bǔ)償負(fù)載變化的影響，使節(jié)流閥前后的壓差為定值，消除了負(fù)載變化對(duì)流量的影響。節(jié)流閥前、后的壓力分別引到減壓閥閥芯右、左兩端，當(dāng)負(fù)載壓力增大，于是作用在減壓閥芯左端的液壓力增大，閥芯右移，減壓口加大，壓降減小，從而使節(jié)流閥的壓差（p2-p3）保持不變；反之亦然。這樣就是調(diào)速閥的流量恒定不變（不受負(fù)載影響）。恒流量調(diào)節(jié)閥是以補(bǔ)償方式時(shí)行變阻力的動(dòng)作，它有倆個(gè)閥瓣，一個(gè)是調(diào)節(jié)閥瓣。金華疊加液壓閥</p><p style="text-indent:25px">流量閥是由一個(gè)手動(dòng)調(diào)節(jié)閥組和一個(gè)自動(dòng)平衡閥組組成。金華疊加液壓閥</p><p style="text-indent:25px">定壓溢流作用：在定量泵節(jié)流調(diào)節(jié)系統(tǒng)中，定量泵提供的是恒定流量。當(dāng)系統(tǒng)壓力增大時(shí)，會(huì)使流量需求減小。此時(shí)溢流閥開啟，使多余流量溢回油箱，保證溢流閥進(jìn)口壓力，即泵出口壓力恒定（閥口常隨壓力波動(dòng)開啟）。穩(wěn)壓作用：溢流閥串聯(lián)在回油路上，溢流閥產(chǎn)生背壓，運(yùn)動(dòng)部件平穩(wěn)性增加。系統(tǒng)卸荷作用：在溢流閥的遙控口串接溢小流量的電磁閥，當(dāng)電磁鐵通電時(shí)，溢流閥的遙控口通油箱，此時(shí)液壓泵卸荷。溢流閥此時(shí)作為卸荷閥使用。安全保護(hù)作用：系統(tǒng)正常工作時(shí)，閥門關(guān)閉。只有負(fù)載超過規(guī)定的極限（系統(tǒng)壓力超過調(diào)定壓力）時(shí)開啟溢流，進(jìn)行過載保護(hù)，使系統(tǒng)壓力不再增加（通常使溢流閥的調(diào)定壓力比系統(tǒng)較高工作壓力高10%～20%）。金華疊加液壓閥</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/2958608.html</p></div></div></div></div></div><div id="nhopfc3" class="page-right twoColRt"><div id="nrjamd2" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="8vh7np3" 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)" 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