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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>上海軋輥廠家哪家好,軋輥</p><p><span>***更新：</span>2020-09-13 09:04:52</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="bl3g49t" 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(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="xkhegiu" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="o8ofhjl" 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)類型：按軋機(jī)類型軋輥可分為以下三類： 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，可獲得較好的板形；冷軋鋼板軋機(jī)軋輥?zhàn)龀晌⑼剐?，在軋制時，軋輥產(chǎn)生彎曲，以獲得良好的板形，上海軋輥廠家哪家好。⑵帶槽軋輥：它用于軋制大、中、小各種型鋼，上海軋輥廠家哪家好、線材及初軋開坯，上海軋輥廠家哪家好。在輥面上刻有軋槽使軋件成形。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。上海軋輥廠家哪家好</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="上海軋輥廠家哪家好,軋輥" src="https://tyunfile.71360.com/WaterMark/UploadFile/wxqzxj/637318170161533203/6892878.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(yīng)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(yīng)力有關(guān)。軋輥在上機(jī)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(yīng)力也處于比較大值。如果軋輥的熱應(yīng)力和軋輥的殘余應(yīng)力相疊加，并且超過了軋輥芯部的強(qiáng)度極限時就可能發(fā)生軋輥斷裂的事故。防止斷裂應(yīng)該從減小制造殘余應(yīng)力，機(jī)械應(yīng)力，組織應(yīng)力和熱應(yīng)力四方面進(jìn)行。上海軋輥廠家哪家好軋輥在使用中磨損、溫度和輥形的不斷變化。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="上海軋輥廠家哪家好,軋輥" src="https://tyunfile.71360.com/WaterMark/UploadFile/wxqzxj/637318170171738281/8025121.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(shè)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(biāo)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(xì)紗機(jī)或某一區(qū)域細(xì)紗機(jī)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(zhǔn)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(yán)重影響棉紗質(zhì)量,導(dǎo)致質(zhì)量投訴。適當(dāng)?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(yán)格執(zhí)行大車間紡紗機(jī)臺區(qū)域管理控制、建立嚴(yán)格統(tǒng)一的標(biāo)準(zhǔn)化膠輥膠圈損傷和損壞更換模式、加強(qiáng)設(shè)備維護(hù)與保養(yǎng)、強(qiáng)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(diǎn)。表5是不同規(guī)模紡紗廠細(xì)紗車間膠輥膠圈混雜一個月的統(tǒng)計匯總。</p><p style="text-indent:25px">扎輥身下降進(jìn)入噴水器位置后，低壓大水量連續(xù)噴射冷卻7~10min，使淬硬層深度范圍內(nèi)的冷卻速度超過貝氏體臨界冷卻速度直至冷卻到Ms以下，再浸水冷卻。浸水冷卻時間按輥身直徑每100mm冷卻15min計算，終冷溫度≤50℃。冷軋工作輥淬火后應(yīng)及時回火。回火溫度根據(jù)要求的輥身表面硬度而定。一般來說，硬度大于90HS的軋輥的回火溫度為140℃~150℃，硬度為70~85HS的軋輥的回火溫度為310℃~330℃。輥身硬度大于95HS的軋輥，在精車和粗磨后應(yīng)進(jìn)行第二次回火，回火溫度比次低10℃。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="上海軋輥廠家哪家好,軋輥" src="https://tyunfile.71360.com/WaterMark/UploadFile/wxqzxj/637312095481171875/9090792.png"></div><p style="text-indent:25px">為提高軋輥淬硬層深及接觸疲勞壽命，降低淬硬層脆性及過熱敏感性，同時也為滿足軋件對冷軋工作輥力學(xué)性能和使用性能的進(jìn)一步要求，自20世紀(jì)80年代中、后期，國外軋輥生產(chǎn)廠對5%Ｃｒ冷軋輥鋼進(jìn)行了化學(xué)成分的優(yōu)化工作，主要是在5%Ｃｒ鋼中增加鉬、釩的含量或加入鈦、鎳等元素。添加0.1%左右鈦的5%Ｃｒ鋼軋輥中，鈦以碳氮化合物(ＴｉＣＮ)形式在基體中微細(xì)析出，經(jīng)過摩擦損耗后ＴｉＣＮ脫落，在軋輥表面形成劃痕，使適度的粗度再生。在鍍錫板軋機(jī)的實際操作中，有效利用粗糙度降低小的優(yōu)點(diǎn)，從軋制初期就可高速軋制。軋輥1.5%～2%Cr鍛鋼的**終熱處理通常采用淬火加低溫回火。上海軋輥廠家哪家好</p><p style="text-indent:25px">熱軋輥工作在交變的高溫和力的作用下，其表面反復(fù)受到摩擦，會產(chǎn)生強(qiáng)烈的磨損。上海軋輥廠家哪家好</p><p style="text-indent:25px">感應(yīng)淬火過程時將整體預(yù)熱的軋輥預(yù)熱到指定溫度后，將軋輥裝卡到活動框架上，輥身下端面與工頻感應(yīng)器下平面保持在一個水平面上，兩個感應(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)器離開輥身上端面時，功率也有大到小逐漸減小，直至全部離開輥身。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，不會影響淬火硬度。上海軋輥廠家哪家好</p><p style="text-indent:25px">無錫市前洲橡膠制品有限公司致力于橡塑，是一家生產(chǎn)型公司。公司自成立以來，以質(zhì)量為發(fā)展，讓匠心彌散在每個細(xì)節(jié)，公司旗下膠輥，擠干輥，軋輥，熔噴線收卷機(jī)膠輥深受客戶的喜愛。公司秉持誠信為本的經(jīng)營理念，在橡塑深耕多年，以技術(shù)為先導(dǎo)，以自主產(chǎn)品為重點(diǎn)，發(fā)揮人才優(yōu)勢，打造橡塑良好品牌。無錫前洲橡膠秉承“客戶為尊、服務(wù)為榮、創(chuàng)意為先、技術(shù)為實”的經(jīng)營理念，全力打造公司的重點(diǎn)競爭力。</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/1264842.html</p></div></div></div></div></div><div id="hwols3y" class="page-right twoColRt"><div id="furjqce" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div 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