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href="http://www.cdcfah.com/cp/second-_xiangsu/">橡塑</a>?<a href="http://www.cdcfah.com/cp/third-xiangsu_gyyxjzp/">工業(yè)用橡膠制品</a>?上海軋輥采購(gòu) 無(wú)錫市前洲橡膠制品供應(yīng)</p><div id="wg7zlif" class="leftbox clearfix"><h1>上海軋輥采購(gòu) 無(wú)錫市前洲橡膠制品供應(yīng)</h1><div id="ujbixj3" class="proBig"><div id="nrtlike" class="bigimg"><div><p class="pic"><img src="https://tyunfile.71360.com/WaterMark/UploadFile/wxqzxj/637312095595625000/6272565.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="pt7ub2h" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/WaterMark/UploadFile/wxqzxj/637312095595625000/6272565.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="xmjbya2" 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>上海軋輥采購(gòu),軋輥</p><p><span>***更新：</span>2020-09-27 02:14:43</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="ih8xzw9" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">無(wú)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="jdkheq4" class="page-proshow02"><p class="title">詳細(xì)說(shuō)明</p><div id="guryvn4" class="box"><p><p style="text-indent:25px">軋輥滲透著色探傷優(yōu)點(diǎn)：（1）不需要電源；（2）可以探測(cè)復(fù)雜的形狀，指出缺陷的形狀和尺寸；　?。?）能夠顯示很少很密的缺陷；（4）能夠探測(cè)黑色及有色金屬。滲透著色探傷缺點(diǎn)：（1）不能探測(cè)次表面的缺陷；（2）表面必須干凈無(wú)油污而且干燥。3、渦流探傷渦流探傷是7O年代開(kāi)始使用這種方法，此方法是開(kāi)發(fā)并被自動(dòng)化的個(gè)裂紋探傷系統(tǒng)。當(dāng)表面裂紋存在時(shí)，上海軋輥采購(gòu)，它能給磨工清楚正確的信號(hào)，上海軋輥采購(gòu)，上海軋輥采購(gòu)。它也能查明缺陷的位置和裂紋的級(jí)別。由于渦流探傷主要用于確定表面裂紋?！　≤堓伆粗圃旆椒ㄓ挚煞譃檎w鑄造軋輥和復(fù)合鑄造軋輥兩類。上海軋輥采購(gòu)</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="上海軋輥采購(gòu),軋輥" src="https://tyunfile.71360.com/WaterMark/UploadFile/wxqzxj/637312095595625000/6272565.png"></div><p style="text-indent:25px">感應(yīng)淬火過(guò)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，當(dāng)感應(yīng)器離開(kāi)輥身上端面時(shí)，功率也有大到小逐漸減小，直至全部離開(kāi)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，輥面溫度下降到850℃左右，不會(huì)影響淬火硬度。上海軋輥圖片軋輥除磨損外，還經(jīng)常出現(xiàn)裂紋、斷裂、剝落、壓痕等各種局部損傷和表面損傷。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="上海軋輥采購(gòu),軋輥" src="https://tyunfile.71360.com/WaterMark/UploadFile/wxqzxj/637312095550410156/898556.png"></div><p style="text-indent:25px">高速鋼作為熱軋輥材料的應(yīng)用在1988年始于日本，20世紀(jì)90年代初期美國(guó)和歐洲也進(jìn)行了研制，我國(guó)在20世紀(jì)90年代后期開(kāi)始研制和使用高速鋼軋輥。一般高速鋼的成分為1%～2%Ｃ，0%～5%Ｃｏ，0%～5%Ｎｂ，3%～10%Ｃｒ，2%～7%Ｍｏ，2%～7%Ｖ，1%～5%Ｗ。因?yàn)閾碛写罅靠尚纬蓮?qiáng)碳化物的合金元素如Ｗ和Ｖ，其比較終的顯微組織含有大約10%～15%具有極高硬度和高溫穩(wěn)定性的碳化物，所以在高溫下工作能保持較高的強(qiáng)度和硬度。其工作層硬度高，可達(dá)到80～85ＨＳ，具有較好的耐磨性和抗熱裂性，軋輥表面沒(méi)有出現(xiàn)熱裂紋，一般沒(méi)有剝落現(xiàn)象。</p><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(wú)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(wú)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。軋輥能感生渦流的非金屬材料其主要優(yōu)點(diǎn)是能探測(cè)次表面缺陷以及能探測(cè)復(fù)合澆注軋輥的結(jié)合處的缺陷。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="上海軋輥采購(gòu),軋輥" src="https://tyunfile.71360.com/WaterMark/UploadFile/wxqzxj/637318170123691406/9909541.png"></div><p style="text-indent:25px">軋輥斷裂原因：1、脆性斷裂，此類軋輥斷口形狀較為平整，斷口周圍輥身表面較為齊整；?2、韌性斷裂，此類軋輥斷口形狀多呈"蘑菇頭"狀，斷口附近的輥身均成粉碎狀破碎。脆性斷裂和韌性斷裂都是因?yàn)檐堓亼?yīng)力超過(guò)芯部強(qiáng)度造成的。其產(chǎn)生原因與軋輥本身殘余應(yīng)力，軋制時(shí)機(jī)械應(yīng)力以及軋輥熱應(yīng)力有關(guān)，特別是當(dāng)輥身的表面和芯部的溫差大時(shí)更容易產(chǎn)生。這種溫差可能由不良的輥冷卻，冷卻中斷或在新的軋制周期開(kāi)始時(shí)軋輥表面過(guò)熱引起。軋輥的這種表面和芯部間的巨大溫差引起較大的熱應(yīng)力，當(dāng)較大的熱應(yīng)力，機(jī)械應(yīng)力以及軋輥的殘余應(yīng)力超過(guò)軋輥的芯部強(qiáng)度時(shí)引起斷輥。接觸軋件分為工作軋輥和支承輥。上海軋輥圖片</p><p style="text-indent:25px">好的軋輥，其強(qiáng)度、耐磨性和其他各種性能指標(biāo)間應(yīng)有較優(yōu)的匹配。上海軋輥采購(gòu)</p><p style="text-indent:25px">軋輥能感生渦流的非金屬材料其主要優(yōu)點(diǎn)是能探測(cè)次表面缺陷以及能探測(cè)復(fù)合澆注軋輥的結(jié)合處的缺陷。一般說(shuō)來(lái)，用耦合晶柱探頭對(duì)次表層探傷。為了使聲波有效地傳入軋輥要使用水（油）作為耦合劑。進(jìn)一步開(kāi)發(fā)了表面波和切面波合成探頭，可能會(huì)代替渦流探傷。超聲波探傷原理：超聲波探傷是利用超聲波在物質(zhì)中的傳播、反射和衰減等物理特性來(lái)發(fā)現(xiàn)缺陷的一種探傷方法。超聲波探傷具有靈敏度高、探測(cè)速度快、成本低、操作方便、探測(cè)厚度大對(duì)人體和環(huán)境無(wú)害，特別對(duì)裂紋、未熔合等危險(xiǎn)性缺陷探傷靈敏度高等優(yōu)點(diǎn)。上海軋輥采購(gòu)</p><p style="text-indent:25px">無(wú)錫市前洲橡膠制品有限公司致力于橡塑，是一家生產(chǎn)型的公司。公司業(yè)務(wù)涵蓋膠輥，擠干輥，軋輥，熔噴線收卷機(jī)膠輥等，價(jià)格合理，品質(zhì)有保證。公司注重以質(zhì)量為中心，以服務(wù)為理念，秉持誠(chéng)信為本的理念，打造橡塑良好品牌。無(wú)錫前洲橡膠秉承“客戶為尊、服務(wù)為榮、創(chuàng)意為先、技術(shù)為實(shí)”的經(jīng)營(yíng)理念，全力打造公司的重點(diǎn)競(jìng)爭(zhēng)力。</p></p><br /><p>文章來(lái)源地址: http://www.cdcfah.com/cp/1435730.html</p></div></div></div></div></div><div id="lspm7dx" class="page-right twoColRt"><div id="blikric" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="e23p8bn" class="recomPic likePro"><a 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