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tcPro"><section class="home-main container clearfix"><div id="oksqous" class="twoCol"><div id="ssyoeq0" class="page-proshow clearfix"><p class="current"> 當前位置:<a href="http://www.cdcfah.com/">首頁?<a href="http://www.cdcfah.com/cp/">產(chǎn)品供應</a>?<a 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>?上海軋輥品牌推薦無錫市前洲橡膠制品供應</p><div id="g0y2eye" class="leftbox clearfix"><h1>上海軋輥品牌推薦無錫市前洲橡膠制品供應</h1><div id="00msiym" class="proBig"><div id="0cc08wc" class="bigimg"><div><p class="pic"><img src="https://tyunfile.71360.com/WaterMark/UploadFile/wxqzxj/637312095575009765/4841836.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="ocaqgmk" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/WaterMark/UploadFile/wxqzxj/637312095575009765/4841836.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="qksgmyw" 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(guān)鍵詞：</span>上海軋輥品牌推薦,軋輥</p><p><span>***更新：</span>2020-11-16 02:08:39</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="w0msiqm" 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="wu8iyus" class="page-proshow02"><p class="title">詳細說明</p><div id="oua88ye" class="box"><p><p style="text-indent:25px">特殊軋輥：它用于鋼管軋機、車輪軋機，上海軋輥品牌推薦、鋼球軋機及穿孔機等**軋機上。這種軋機的軋輥具有各種不同的形狀，如鋼管軋制中采用斜軋原理軋制的軋輥有圓錐形、腰鼓形或盤形。工作原理抗熱裂，上海軋輥品牌推薦。通常對粗軋輥以強度、抗熱裂為主要要求；小型20輥軋機的工作軋輥重*100克左右，而寬厚板軋機的支承輥重量已超過200噸，上海軋輥品牌推薦。選用軋輥時首先根據(jù)軋機對軋輥的基本強度要求，選定安全承載的主體材料（各種級別的鑄鐵、鑄鋼或鍛鋼等）。?硬度。而精軋輥速度較高，軋制比較終產(chǎn)品要有一定的表面質(zhì)量，對它以硬度、耐磨等為主要要求。然后考慮軋輥使用時所應有的耐磨性。軋輥要在加熱爐內(nèi)整體預熱，心部要預熱透。提高預熱溫度。上海軋輥品牌推薦</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="上海軋輥品牌推薦,軋輥" src="https://tyunfile.71360.com/WaterMark/UploadFile/wxqzxj/637312095575009765/4841836.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。上海軋輥品牌推薦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。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="上海軋輥品牌推薦,軋輥" src="https://tyunfile.71360.com/WaterMark/UploadFile/wxqzxj/637312095508603515/3473601.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，為了達到此目的，現(xiàn)在軋輥探傷向著自動化（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，我們努力學習掌握更先進的探傷技術(shù)和探傷經(jīng)驗。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)在性能包括強度和硬度等方面。要使軋輥具有足夠的強度，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">冷軋工作輥的熱處理一般有鍛后熱處理，調(diào)質(zhì)和表面淬火。鍛后熱處理鍛后熱處理的目的是降低硬度，消除殘余應力，同時還改善組織，得到細粒珠光體，消除網(wǎng)狀碳化物。鍛后熱處理還有擴氫作用。擴氫時間視鋼錠氫含量而定，一般認為[H]≤2×10-4%時，可取消擴氫處理。調(diào)質(zhì)：調(diào)質(zhì)的目的是為表面淬火提供組織準備，使輥頸和輥心得到強韌性配合良好的粒狀珠光體組織，獲得良好的綜合力學性能，以承受激烈的表面淬火。表面淬火：表面淬火使工作輥獲得高硬化層。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。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="上海軋輥品牌推薦,軋輥" src="https://tyunfile.71360.com/WaterMark/UploadFile/wxqzxj/637312095501367187/283856.png"></div><p style="text-indent:25px">目前5萬錠~16萬錠的生產(chǎn)車間有幾個或十幾個棉紗品種和各種不同硬度、厚度、磨礪次數(shù)的膠輥膠圈,給紡紗廠生產(chǎn)車間的膠輥膠圈管理帶來了諸多不便。即使采用備用膠輥膠圈更換,也會造成不同硬度、磨礪次數(shù)、厚度的膠輥膠圈在同一臺紡紗設備上使用。膠輥膠圈管理和生產(chǎn)車間管理較好的大紡紗車間,盡管都采用標記來區(qū)分不同硬度、厚度、磨礪次數(shù)的膠輥膠圈,但在處理某一臺細紗機或某一區(qū)域細紗機膠輥膠圈時,仍會發(fā)現(xiàn)混雜有不同厚度、硬度、磨礪次數(shù)的膠輥膠圈。很多紡紗廠膠輥膠圈處理室為紡紗車間不同品種準備了不同的備用膠輥膠圈便于中夜班更換,但是沒有考慮到不同生產(chǎn)品種對膠輥膠圈的消耗程度不同,也沒有考慮膠輥膠圈在磨礪次數(shù)、厚度、硬度方面相差較大時,更換膠輥膠圈會造成棉紗質(zhì)量存在較大偏差和變異,嚴重影響棉紗質(zhì)量,導致質(zhì)量投訴。適當?shù)膶^大規(guī)模生產(chǎn)車間減少棉紗品種的多樣性生產(chǎn)、嚴格執(zhí)行大車間紡紗機臺區(qū)域管理控制、建立嚴格統(tǒng)一的標準化膠輥膠圈損傷和損壞更換模式、加強設備維護與保養(yǎng)、強化紡紗膠輥膠圈的檢查與交接班是減少紡紗廠生產(chǎn)車間膠輥膠圈亂象的重點。表5是不同規(guī)模紡紗廠細紗車間膠輥膠圈混雜一個月的統(tǒng)計匯總。軋輥的耐沖擊是對軋輥還有一些特殊要求。上海軋輥品牌推薦</p><p style="text-indent:25px">球墨復合鑄鐵軋輥，相對而言，使用壽命提高了幾倍。上海軋輥品牌推薦</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(guān)，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。上海軋輥品牌推薦</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/2005928.html</p></div></div></div></div></div><div id="8ousio0" class="page-right twoColRt"><div id="cq0aqyg" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="qgmuayw" 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="p87ayi7" class="recomPic likePro"><a 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