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onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="d3ik7xw" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/WaterMark/UploadFile/wxqzxj/637312095493271484/4391479.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="3iury23" 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>上海軋輥批發(fā)報(bào)價(jià),軋輥</p><p><span>***更新：</span>2020-09-20 08:04:49</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="gkmolcu" 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="hw3dyu2" class="page-proshow02"><p class="title">詳細(xì)說(shuō)明</p><div id="7hd8i3k" class="box"><p><p style="text-indent:25px">硬面軋輥：肖氏硬度約為60~85，用于薄板、中板、中型型鋼和小型型鋼軋機(jī)的粗軋機(jī)及四輥軋機(jī)的支撐輥。 ⑷特硬輥：肖氏硬度約為85~100，用于冷軋機(jī)。軋機(jī)類(lèi)型：按軋機(jī)類(lèi)型軋輥可分為以下三類(lèi)： ⑴平面軋輥：即板帶軋機(jī)軋輥，其輥身呈圓柱形。一般熱軋鋼板軋機(jī)軋輥?zhàn)龀晌夹危軣崤蛎洉r(shí)，可獲得較好的板形；冷軋鋼板軋機(jī)軋輥?zhàn)龀晌⑼剐?，上海軋輥批發(fā)報(bào)價(jià)，在軋制時(shí)，軋輥產(chǎn)生彎曲，以獲得良好的板形。⑵帶槽軋輥：它用于軋制大、中、小各種型鋼、線材及初軋開(kāi)坯。在輥面上刻有軋槽使軋件成形，上海軋輥批發(fā)報(bào)價(jià)。鑄鐵軋輥的生產(chǎn)中，普遍采用消除內(nèi)應(yīng)力退火，上海軋輥批發(fā)報(bào)價(jià)、石墨化退火、正火和回火等工藝。上海軋輥批發(fā)報(bào)價(jià)</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="上海軋輥批發(fā)報(bào)價(jià),軋輥" src="https://tyunfile.71360.com/WaterMark/UploadFile/wxqzxj/637312095493271484/4391479.png"></div><p style="text-indent:25px">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，原因是軋輥表面生成一層致密且有韌性的鉻的氧化膜，能減少熱裂紋的數(shù)量和深度。因此，高鉻鑄鐵輥在20世紀(jì)80年代被非常普遍用于精軋前架。目前，高鉻鑄鐵復(fù)合軋輥已普遍用作熱軋帶 (鋼)連軋機(jī)，粗軋和精軋前段工作輥、寬中厚板；粗軋和精軋工作輥及小型型鋼和棒材軋機(jī)精軋輥等。高鉻鑄鐵軋輥的熱處理有兩種形式，一是低于臨界轉(zhuǎn)變溫度的亞臨界熱處理，另一種是高于臨界點(diǎn)Ａ3的高溫?zé)崽幚?。高鉻軋輥表面材料的珠光體基體，希望具有極細(xì)的片間距，并在基體上有大量彌散分布的二次碳化物，要求有盡量低的殘余奧氏體和殘余應(yīng)力，所以一般選用后一種形式的熱處理，具體為正火加回火。上海軋輥批發(fā)報(bào)價(jià)軋輥的表面質(zhì)量直接決定著軋制產(chǎn)品的質(zhì)量。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="上海軋輥批發(fā)報(bào)價(jià),軋輥" src="https://tyunfile.71360.com/WaterMark/UploadFile/wxqzxj/637318170171738281/8025121.png"></div><p style="text-indent:25px">現(xiàn)代軋鋼廠中軋輥車(chē)間的費(fèi)用直接決定著軋鋼廠成本的高低，軋輥的表面質(zhì)量直接決定著軋制產(chǎn)品的質(zhì)量，軋輥的內(nèi)部質(zhì)量則決定著軋輥的使用壽命的長(zhǎng)短。在競(jìng)爭(zhēng)越來(lái)越激烈的情況下，產(chǎn)品質(zhì)量高、生產(chǎn)成本低是一個(gè)企業(yè)能夠生存和發(fā)展的前提。如何降低成本（軋輥消耗）、提高產(chǎn)品質(zhì)量（符合軋鋼生產(chǎn)線要求的軋輥）成為軋輥車(chē)間的一個(gè)迫切需要解決的問(wèn)題。在生產(chǎn)實(shí)踐中應(yīng)用合理的軋輥探傷手段（主要是無(wú)損探傷）也成為解決這個(gè)問(wèn)題比較快捷有效的途徑，并且在各軋鋼廠中普遍應(yīng)用。</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)。傳統(tǒng)熱軋輥材料的選用及熱處理工藝熱軋輥常工作在700℃～800℃的高溫環(huán)境。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="上海軋輥批發(fā)報(bào)價(jià),軋輥" src="https://tyunfile.71360.com/WaterMark/UploadFile/wxqzxj/637312095541904297/9092899.png"></div><p style="text-indent:25px">由于軋輥超聲波有測(cè)量盲區(qū)的固有特性，因此，如果近距離測(cè)量時(shí)，當(dāng)測(cè)量位置發(fā)生變化而接收到的數(shù)據(jù)不變時(shí)，說(shuō)明進(jìn)入了測(cè)量盲區(qū)。3、超聲波在測(cè)量遠(yuǎn)處物體時(shí)，如果沒(méi)有測(cè)量數(shù)據(jù)返回，可能是超出測(cè)量范圍，或是測(cè)量角度不對(duì)?？梢赃m當(dāng)調(diào)整測(cè)量角度。合理的軋輥探傷工藝的優(yōu)點(diǎn)1.節(jié)約成本。（1）未使用軋輥探傷的軋鋼廠在修磨軋輥時(shí)一般采用開(kāi)環(huán)磨削或車(chē)削的方式操作，一般說(shuō)來(lái)這意味著要去掉軋輥表面的一個(gè)標(biāo)準(zhǔn)深度，如果缺陷較小，造成了不必要的浪費(fèi)；如果缺陷較大，可能去除不干凈。軋輥按制造方法又可分為整體鑄造軋輥和復(fù)合鑄造軋輥兩類(lèi)。上海軋輥批發(fā)報(bào)價(jià)</p><p style="text-indent:25px">冷軋輥主要失效形式包括劃傷、粘輥和剝落等。上海軋輥批發(fā)報(bào)價(jià)</p><p style="text-indent:25px">軋輥斷裂原因：1、脆性斷裂，此類(lèi)軋輥斷口形狀較為平整，斷口周?chē)伾肀砻孑^為齊整；?2、韌性斷裂，此類(lèi)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。上海軋輥批發(fā)報(bào)價(jià)</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，以科技創(chuàng)新實(shí)現(xiàn)***管理的追求。無(wú)錫前洲橡膠深耕行業(yè)多年，始終以客戶的需求為向?qū)В瑸榭蛻籼峁?**的膠輥，擠干輥，軋輥，熔噴線收卷機(jī)膠輥。無(wú)錫前洲橡膠不斷開(kāi)拓創(chuàng)新，追求出色，以技術(shù)為先導(dǎo)，以產(chǎn)品為平臺(tái)，以應(yīng)用為重點(diǎn)，以服務(wù)為保證，不斷為客戶創(chuàng)造更高價(jià)值，提供更優(yōu)服務(wù)。無(wú)錫前洲橡膠始終關(guān)注橡塑市場(chǎng)，以敏銳的市場(chǎng)洞察力，實(shí)現(xiàn)與客戶的成長(zhǎng)共贏。</p></p><br /><p>文章來(lái)源地址: http://www.cdcfah.com/cp/1352433.html</p></div></div></div></div></div><div id="en93utq" class="page-right twoColRt"><div 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