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onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="k3cjqx7" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/WaterMark/UploadFile/wxqzxj/637318170171738281/8025121.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="wr7r2s9" 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>上海軋輥產(chǎn)品介紹,軋輥</p><p><span>***更新：</span>2020-12-14 00:18:25</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="smtqspr" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">無錫市前洲橡膠制品有限公司</a></p><p><span>聯(lián)系人：</span>楚駿杰</p><p><span>郵箱: </span>89202885@qq.com</p><p><span>電話: </span>13921100029</p><p><span>傳真: </span>0510_</p><p><span>網(wǎng)址: </span></p><p><span>手機(jī): </span>0510-83451974</p><p><span>地址: </span>前洲街道友聯(lián)村</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="ys2nhi2" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="8d7jbia" class="box"><p><p style="text-indent:25px">感應(yīng)淬火過程時(shí)將整體預(yù)熱的軋輥預(yù)熱到指定溫度后，將軋輥裝卡到活動(dòng)框架上，輥身下端面與工頻感應(yīng)器下平面保持在一個(gè)水平面上，兩個(gè)感應(yīng)器從送電到全部進(jìn)入輥身正常淬火，其功率逐漸增加，直到淬火全功率。同樣，上海軋輥產(chǎn)品介紹，當(dāng)感應(yīng)器離開輥身上端面時(shí)，功率也有大到小逐漸減小，直至全部離開輥身。感應(yīng)加熱完成后，為減小淬火應(yīng)力，應(yīng)進(jìn)行適當(dāng)預(yù)冷后再噴淬。由于奧氏體在高溫階段比較穩(wěn)定，噴水器與下感應(yīng)器之間有40mm的空隙，上海軋輥產(chǎn)品介紹，上海軋輥產(chǎn)品介紹，輥面溫度下降到850℃左右，不會(huì)影響淬火硬度。軋輥1.5%～2%Cr鍛鋼的**終熱處理通常采用淬火加低溫回火。上海軋輥產(chǎn)品介紹</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="上海軋輥產(chǎn)品介紹,軋輥" src="https://tyunfile.71360.com/WaterMark/UploadFile/wxqzxj/637318170171738281/8025121.png"></div><p style="text-indent:25px">軋輥渦流檢測(cè)原理：渦流檢測(cè)是建立在電磁感應(yīng)原理基礎(chǔ)之上的一種無損檢測(cè)方法，它適用于導(dǎo)電材料。當(dāng)把一塊導(dǎo)體置于交變磁場(chǎng)之中，在導(dǎo)體中就有感應(yīng)電流存在，即產(chǎn)生渦流。由于導(dǎo)體自身各種因素（如電導(dǎo)率、磁導(dǎo)率、形狀，尺寸和缺陷等）的變化，會(huì)導(dǎo)致渦流的變化，利用這種現(xiàn)象判定導(dǎo)體性質(zhì)，狀態(tài)的檢測(cè)方法，叫渦流檢測(cè)。渦流探傷的優(yōu)點(diǎn)：1、檢測(cè)時(shí)，線圈不需要接觸工件，也無需耦合介質(zhì)，所以檢測(cè)速度快。2、對(duì)工件表面或近表面的缺陷，有很高的檢出靈敏度，且在一定的范圍內(nèi)具有良好的線性指示，可用作質(zhì)量管理與控制。3、能測(cè)量金屬覆蓋層或非金屬涂層的厚度。上海軋輥哪家比較便宜提升軋輥的質(zhì)量，我們就需要做動(dòng)平衡。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="上海軋輥產(chǎn)品介紹,軋輥" src="https://tyunfile.71360.com/WaterMark/UploadFile/wxqzxj/637312095526367187/2356698.png"></div><p style="text-indent:25px">雖然軋輥的探傷方法也有很多種，但是總的來說都是為了將軋輥上各種各樣的缺陷去除干凈，以保證軋線用輥的表面質(zhì)量和內(nèi)部質(zhì)量的合格，為了達(dá)到此目的，現(xiàn)在軋輥探傷向著自動(dòng)化（安裝在軋輥磨床上）、綜合化（幾種探傷方法聯(lián)合使用）、專業(yè)化（設(shè)置專業(yè)探傷人員）的方向發(fā)展。我們現(xiàn)有的探傷水平有待提高，我們努力學(xué)習(xí)掌握更先進(jìn)的探傷技術(shù)和探傷經(jīng)驗(yàn)。軋輥的壽命主要取決于軋輥的內(nèi)在性能和工作受力。內(nèi)在性能包括強(qiáng)度和硬度等方面。要使軋輥具有足夠的強(qiáng)度，主要從軋輥材料方面來考慮；硬度通常是指軋輥工作表面的硬度，它決定軋輥的耐磨性，在一定程度上也決定軋輥的使用壽命，通過合理的材料選用和熱處理方式可以滿足軋輥的硬度要求。</p><p style="text-indent:25px">軋輥的耐沖擊：對(duì)軋輥還有一些特殊要求，如壓下量大時(shí)，要求軋輥有較強(qiáng)的咬入能力，耐沖擊性好；光潔度：軋制薄規(guī)格產(chǎn)品時(shí)，則對(duì)軋輥的剛性、組織性能均勻性、加工精度以及表面光潔度等要求較嚴(yán)；切削性能：軋制復(fù)雜斷面的型鋼時(shí)，還要考慮輥身工作層的切削加工性能等。選用軋輥時(shí)，對(duì)軋輥的有些性能要求往往是彼此對(duì)立的，軋輥購(gòu)置費(fèi)和維護(hù)費(fèi)用又很昂貴，所以應(yīng)充分權(quán)衡技術(shù)和經(jīng)濟(jì)上的利弊，決定用鑄的還是鍛的，合金的還是非合金的，單一材料的還是復(fù)合材料的。實(shí)際的軋輥生產(chǎn)表明，高鉻鑄鐵軋輥有較好的抗熱裂性能。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="上海軋輥產(chǎn)品介紹,軋輥" src="https://tyunfile.71360.com/WaterMark/UploadFile/wxqzxj/637312095493271484/4391479.png"></div><p style="text-indent:25px">扎輥身下降進(jìn)入噴水器位置后，低壓大水量連續(xù)噴射冷卻7~10min，使淬硬層深度范圍內(nèi)的冷卻速度超過貝氏體臨界冷卻速度直至冷卻到Ms以下，再浸水冷卻。浸水冷卻時(shí)間按輥身直徑每100mm冷卻15min計(jì)算，終冷溫度≤50℃。冷軋工作輥淬火后應(yīng)及時(shí)回火?；鼗饻囟雀鶕?jù)要求的輥身表面硬度而定。一般來說，硬度大于90HS的軋輥的回火溫度為140℃~150℃，硬度為70~85HS的軋輥的回火溫度為310℃~330℃。輥身硬度大于95HS的軋輥，在精車和粗磨后應(yīng)進(jìn)行第二次回火，回火溫度比次低10℃。鑄鐵軋輥的生產(chǎn)中，普遍采用消除內(nèi)應(yīng)力退火、石墨化退火、正火和回火等工藝。上海軋輥哪家比較便宜</p><p style="text-indent:25px">軋輥的探傷方法也有很多種，但是總的來說都是為了將軋輥上各種各樣的缺陷去除干凈。上海軋輥產(chǎn)品介紹</p><p> 膠輥的質(zhì)量主要取決于膠料的配方設(shè)計(jì)，丁腈橡膠(NBR)仍是目前紡紗膠輥的優(yōu)先膠種。配方的確定需要進(jìn)行大量的試驗(yàn)，其中對(duì)性能影響較大的幾種材料可以采用正交法設(shè)計(jì)多組方案，再通過機(jī)械性能比較進(jìn)行優(yōu)化，以篩選出理想的配方設(shè)計(jì)。 </p> <p> 并條機(jī)膠輥的成型方式一般有三種：直接包膠模壓硫化；膠管擠出一硫化罐硫化成型；鋁襯管膠管套裝成型。第一種成型工藝缺點(diǎn)是效率低、成本高，但比較大優(yōu)點(diǎn)是膠層密實(shí)，膠層與輥芯粘結(jié)牢靠而不會(huì)出現(xiàn)脫輥現(xiàn)象，使用壽命長(zhǎng)。后兩種制造工藝使用的成型設(shè)備主要為擠出機(jī)和硫化罐，是現(xiàn)在膠輥制造企業(yè)普遍采用的成型工藝。上海軋輥產(chǎn)品介紹</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/2389775.html</p></div></div></div></div></div><div id="w2ln88l" class="page-right twoColRt"><div id="kebif2f" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="gur3l3a" 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" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></div><p>福建ZF配件哪家強(qiáng) 信息推薦自業(yè)物資供應(yīng)</p></a></div><div id="etq28cb" class="recomPic likePro"><a href="http://www.cdcfah.com/cp/846569.html"><div><img 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