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src="https://tyunfile.71360.com/WaterMark/UploadFile/wxqzxj/637318170155312500/7092026.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="2tdaht2" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/WaterMark/UploadFile/wxqzxj/637318170155312500/7092026.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="eikmt8e" class="content"><p><span>需求數量：</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>產品關鍵詞：</span>上海軋輥采購哪家好,軋輥</p><p><span>***更新：</span>2020-09-15 06:05:09</p><p><span id="click" >瀏覽次數：0次</span></p><a rel="nofollow" class="button">聯系我們</a></div></div><div id="zoqszgn" 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>網址: </span></p><p><span>手機: </span>0510-83451974</p><p><span>地址: </span>前洲街道友聯村</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="3fxubsp" class="page-proshow02"><p class="title">詳細說明</p><div id="laxug8d" class="box"><p><p style="text-indent:25px">軋輥在使用中磨損、溫度和輥形的不斷變化。此外，軋制條件經常會出現異常情況。軋輥在使用后冷卻不當，也會受到熱應力的損害。所以軋輥除磨損外，還經常出現裂紋、斷裂，上海軋輥采購哪家好、剝落、壓痕等各種局部損傷和表面損傷。一個好的軋輥，其強度、耐磨性和其他各種性能指標間應有較優(yōu)的匹配。這樣，不*在正常軋制條件下持久耐用，又能在出現某些異常軋制情況時損傷較小，上海軋輥采購哪家好。所以在制造軋輥時要嚴格控制軋輥的冶金質量或輔以外部措施以增強軋輥的承載能力。合理的輥形、孔型、變形制度和軋制條件也能減小軋輥工作負荷，避免局部高峰應力，延長軋輥壽命。軋輥除磨損外，上海軋輥采購哪家好，還經常出現裂紋、斷裂、剝落、壓痕等各種局部損傷和表面損傷。上海軋輥采購哪家好</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="上海軋輥采購哪家好,軋輥" src="https://tyunfile.71360.com/WaterMark/UploadFile/wxqzxj/637318170155312500/7092026.png"></div><p> 膠輥的質量主要取決于膠料的配方設計，丁腈橡膠(NBR)仍是目前紡紗膠輥的優(yōu)先膠種。配方的確定需要進行大量的試驗，其中對性能影響較大的幾種材料可以采用正交法設計多組方案，再通過機械性能比較進行優(yōu)化，以篩選出理想的配方設計。 </p> <p> 并條機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是效率低、成本高，但比較大優(yōu)點是膠層密實，膠層與輥芯粘結牢靠而不會出現脫輥現象，使用壽命長。后兩種制造工藝使用的成型設備主要為擠出機和硫化罐，是現在膠輥制造企業(yè)普遍采用的成型工藝。上海軋輥批發(fā)哪家好合理選材及采用合適的熱處理方式高質量地制造軋輥，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="上海軋輥采購哪家好,軋輥" src="https://tyunfile.71360.com/WaterMark/UploadFile/wxqzxj/637318170117265625/19686.png"></div><p style="text-indent:25px">斷裂軋輥的外層組織中殘余奧氏體含量小于1%，故組織應力可以忽略不計。軋輥斷裂也可能與溫度不均勻造成的熱應力有關。軋輥在上機使用過程中，由于與軋材的緊密接觸，軋輥表面溫度迅速上升，而軋輥芯部的溫度上升較慢，這時軋輥面和軋輥芯部之間的溫差處于比較大值，溫差引起的軋輥熱應力也處于比較大值。如果軋輥的熱應力和軋輥的殘余應力相疊加，并且超過了軋輥芯部的強度極限時就可能發(fā)生軋輥斷裂的事故。防止斷裂應該從減小制造殘余應力，機械應力，組織應力和熱應力四方面進行。</p><p style="text-indent:25px">對熱軋輥來說，輥面不允許出現裂紋，表面裂紋缺陷容易造成應力集中，加速擴展而使軋輥失效。熱疲勞裂紋主要起因于周期**變熱應力，嚴重情況下，裂紋擴展可能造成輥面剝落，甚至斷輥。冷軋輥主要失效形式包括劃傷、粘輥和剝落等。冷軋輥輥身表面應有高而均勻的硬度，其優(yōu)劣表現在輥身工作層的耐磨性，即耐粗糙性。熱軋工作輥進行的熱處理一般有鍛后熱處理和調質。鍛后熱處理的主要目的是消除鍛后應力，細化晶粒，改善切削性能。鍛后熱處理還有擴氫作用。傳統的軋輥選材及其熱處理工藝，同時，對軋輥材料及其熱處理工藝的發(fā)展進行了展望。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="上海軋輥采購哪家好,軋輥" src="https://tyunfile.71360.com/WaterMark/UploadFile/wxqzxj/637312095575009765/4841836.png"></div><p style="text-indent:25px">粗磨膠輥時可選用粒度為40、46、54號，寬度為30 mm的大氣孔砂輪，磨削總量一般為1 mm，可分三次走刀，進刀量分別可為0.4 mm、0.3 mm、0.3 mm，這樣有利于降低膠輥表面溫度。由于粗磨對膠輥表面粗糙度無嚴格要求，主要是保證膠輥表面圓柱度。粗磨后不應立即進行精磨，要將并條膠輥放置48 h，使其經時效處理后進行。精磨膠輥時可選用粒度為60、70、80號，寬度為30 mm的大氣孔砂輪，磨削總量一般為0.5 mm，棉紡企業(yè)一般*需進行復磨而不用粗磨，磨削總量一般為0.3 mm～0.4 mm，可分三次進行，進刀量分別可為0.2 mm、0.1 mm、0.1 mm，采用小負荷磨削可使膠輥表面熱量受到控制，磨削粉塵也較少，更有利于砂輪的清潔與鋒利。在砂輪安全線速度的前提下，為保證磨礪質量，一般砂輪主軸轉速為1800 r/min，相應車頭轉速約為200 r/min。磨削前需要調整好磨床尾座，保證磨削后膠輥兩端錐度不大于0.03 mm，磨削行程要設置為自動走刀以保證磨削速度均勻，之后一次走刀速度要慢，以3 m/min～4 m/min為宜。精磨后膠輥膠層應細膩、光滑，目測其表面無螺旋線，無機械波紋，表面粗糙度Ra值達到0.4 μm～0.6 μm為好。平面軋輥是即板帶軋機軋輥，其輥身呈圓柱形。上海軋輥采購哪家好</p><p style="text-indent:25px">軋輥常用的熱處理類型：去應力退火、等溫球化退火、擴散退火等。上海軋輥采購哪家好</p><p style="text-indent:25px">磨床對膠輥的磨礪是通過砂輪與膠輥精確穩(wěn)定的相對運動，由砂輪的微粒鋒刃對膠輥表面進行磨削，磨床和砂輪的質量與其穩(wěn)定性直接影響膠輥表面的磨礪質量。通常選用粒度為(40～80)號大氣孔綠碳化硅或碳化硅砂輪，且要選用中低硬度的砂輪，太硬的磨粒變鈍后不能順利脫落，磨削力和熱量增加影響磨礪后膠輥表面質量。砂輪使用前必須調平衡并且修整，砂輪兩棱應用舊砂輪或油石倒角。目前，棉紡企業(yè)復磨并條膠輥使用的大多數磨床仍為FLJ804型等設備，其使用年限較長，磨礪膠輥前應確保具有良好的機械性能，特別是砂輪主軸、車頭主軸的跳動應不大于0.0l mm，要求其旋轉平穩(wěn)，振動小。上海軋輥采購哪家好</p><p style="text-indent:25px">無錫市前洲橡膠制品有限公司致力于橡塑，以科技創(chuàng)新實現***管理的追求。無錫前洲橡膠作為橡膠制品、印染機械及配件、其他**設備、通用設備及配件的制造、加工、銷售。橡膠制品、印染機械及配件、其他**設備、通用設備及配件的制造、加工、銷售；道路普通貨物運輸。橡膠制品、印染機械及配件、其他**設備、通用設備及配件的制造、加工、銷售。的企業(yè)之一，為客戶提供良好的膠輥，擠干輥，軋輥，熔噴線收卷機膠輥。無錫前洲橡膠繼續(xù)堅定不移地走高質量發(fā)展道路，既要實現基本面穩(wěn)定增長，又要聚焦關鍵領域，實現轉型再突破。無錫前洲橡膠始終關注自身，在風云變化的時代，對自身的建設毫不懈怠，高度的專注與執(zhí)著使無錫前洲橡膠在行業(yè)的從容而自信。</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/1286935.html</p></div></div></div></div></div><div id="qf8zbiu" 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