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id="airnelc" class="bigimg"><div><p class="pic"><img src="https://tyunfile.71360.com/WaterMark/UploadFile/wxqzxj/637312095515585937/3926080.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="dbn82md" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/WaterMark/UploadFile/wxqzxj/637312095515585937/3926080.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="m2vc8l8" 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)品關鍵詞：</span>上海軋輥廠家定制,軋輥</p><p><span>***更新：</span>2021-01-19 01:06:00</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="atv90br" 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: </span>0510-83451974</p><p><span>地址: </span>前洲街道友聯(lián)村</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="nwiw3ar" class="page-proshow02"><p class="title">詳細說明</p><div id="3pkdjuv" class="box"><p><p style="text-indent:25px">現(xiàn)代軋鋼廠中軋輥車間的費用直接決定著軋鋼廠成本的高低，上海軋輥廠家定制，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短。在競爭越來越激烈的情況下，產(chǎn)品質(zhì)量高、生產(chǎn)成本低是一個企業(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）成為軋輥車間的一個迫切需要解決的問題。在生產(chǎn)實踐中應用合理的軋輥探傷手段（主要是無損探傷）也成為解決這個問題比較快捷有效的途徑，并且在各軋鋼廠中普遍應用。軋輥常用的熱處理類型：去應力退火、等溫球化退火、擴散退火、正火，上海軋輥廠家定制、回火，上海軋輥廠家定制、淬火、深冷處理。上海軋輥廠家定制</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="上海軋輥廠家定制,軋輥" src="https://tyunfile.71360.com/WaterMark/UploadFile/wxqzxj/637312095515585937/3926080.png"></div><p style="text-indent:25px">實際的軋輥生產(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80年代被非常普遍用于精軋前架。目前，高鉻鑄鐵復合軋輥已普遍用作熱軋帶 (鋼)連軋機，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Ａ3的高溫熱處理。高鉻軋輥表面材料的珠光體基體，希望具有極細的片間距，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。上海軋輥廠家定制合理選材及采用合適的熱處理方式高質(zhì)量地制造軋輥，可以節(jié)約大量的輥材。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="上海軋輥廠家定制,軋輥" src="https://tyunfile.71360.com/WaterMark/UploadFile/wxqzxj/637312095481171875/9090792.png"></div><p style="text-indent:25px">軋輥按制造方法又可分為整體鑄造軋輥和復合鑄造軋輥兩類。鍛造軋輥按材質(zhì)分為：⑴鍛造合金鋼軋輥； ⑵鍛造半鋼軋輥；⑶鍛造半高速鋼軋輥； ⑷鍛造白口鑄鐵軋輥。工藝方法：整體軋輥、冶金復合軋輥和組合軋輥。1、整體軋輥是相對于復合軋輥而言的，整體軋輥的輥身外層與心部以及輥頸采用單一材質(zhì)鑄造或鍛造而成，輥身外層和輥頸不同的組織、性能通過鑄造或鍛造工藝以及熱處理工藝過程來控制和調(diào)整。鍛造軋輥和靜態(tài)鑄造的軋輥均屬于整體軋輥。整體軋輥分為整體鑄造和整體鍛造軋輥兩種；?</p><p style="text-indent:25px">軋輥是使（軋材）金屬產(chǎn)生塑性變形的工具，是決定軋機效率和軋材質(zhì)量的重要消耗部件。軋輥是軋鋼廠軋鋼機上的重要零件，利用一對或一組軋輥滾動時產(chǎn)生的壓力來軋碾鋼材。它主要承受軋制時的動靜載荷，磨損和溫度變化的影響。軋輥分類。軋輥種類很多，常用的軋輥品種有鑄鋼軋輥、鑄鐵軋輥和鍛造軋輥三大類。在型材軋機上還有少量硬質(zhì)合金軋輥。成型方法：鑄造軋輥是指將冶煉鋼水或熔煉鐵水直接澆注成型制造的軋輥。鑄造軋輥按材質(zhì)又可分為鑄鋼軋輥和鑄鐵軋輥兩類；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="上海軋輥廠家定制,軋輥" src="https://tyunfile.71360.com/WaterMark/UploadFile/wxqzxj/637312095526367187/2356698.png"></div><p style="text-indent:25px">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，與灼熱的鋼坯相接觸，需要承受強大的軋制力，同時表面要承受軋材的強力磨損，反復被熱軋材加熱及冷卻水冷卻，經(jīng)受溫度變化幅度較大的熱疲勞作用。這就要求熱軋輥材料必須具有高的淬透性、低的熱膨脹系數(shù)、高的熱傳導能力和高的高溫屈服強度及高的抗氧化性。國內(nèi)曾經(jīng)使用過鍛鋼軋輥和無限冷硬鑄鐵軋輥，除普通冷硬鑄鐵外，還有低鎳鉻鉬、中鎳鉻鉬、高鎳鉻鉬鑄鐵材料，比較好次的冷硬鑄鐵材料為高鎳鉻鉬冷硬鑄鐵。這類材質(zhì)軋輥的缺點是硬度低，耐磨性不好。扎輥身下降進入噴水器位置后，低壓大水量連續(xù)噴射冷卻7~10min。上海軋輥廠家定制</p><p style="text-indent:25px">生產(chǎn)中要降低設備的沖擊震動，避免軋輥的磨損。上海軋輥廠家定制</p><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為軋輥應力超過芯部強度造成的。其產(chǎn)生原因與軋輥本身殘余應力，軋制時機械應力以及軋輥熱應力有關，特別是當輥身的表面和芯部的溫差大時更容易產(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始時軋輥表面過熱引起。軋輥的這種表面和芯部間的巨大溫差引起較大的熱應力，當較大的熱應力，機械應力以及軋輥的殘余應力超過軋輥的芯部強度時引起斷輥。上海軋輥廠家定制</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/2905424.html</p></div></div></div></div></div><div id="bac7pvm" class="page-right twoColRt"><div id="wq3ctpq" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="xvhqwcc" 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配件哪家強信息推薦自業(yè)物資供應" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></div><p>福建ZF配件哪家強信息推薦自業(yè)物資供應</p></a></div><div id="ajv2djk" class="recomPic likePro"><a 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