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href="http://www.cdcfah.com/">首頁?<a href="http://www.cdcfah.com/cp/">產(chǎn)品供應(yīng)</a>?<a href="http://www.cdcfah.com/cp/first-_yinshua/">印刷</a>?<a href="http://www.cdcfah.com/cp/second-yinshua_ysjzypj/">印刷機械**配件</a>?<a href="http://www.cdcfah.com/cp/third-ysjzypj_jiaogun/">膠輥</a>?上海冶金膠輥供應(yīng) 無錫市前洲橡膠制品供應(yīng)</p><div id="ik3fx8t" class="leftbox clearfix"><h1>上海冶金膠輥供應(yīng) 無錫市前洲橡膠制品供應(yīng)</h1><div id="p2uw77e" class="proBig"><div id="oqsumd7" class="bigimg"><div><p class="pic"><img src="https://tyunfile.71360.com/WaterMark/UploadFile/wxqzxj/637318170161533203/6892878.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="o2d7sub" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/WaterMark/UploadFile/wxqzxj/637318170161533203/6892878.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="nuqnzqs" 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>上海冶金膠輥供應(yīng),冶金膠輥</p><p><span>***更新：</span>2021-01-30 06:06:46</p><p><span id="click" >瀏覽次數(shù)：1次</span></p><a rel="nofollow" class="button">聯(lián)系我們</a></div></div><div id="3z3z7qn" 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(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="8k42mel" class="page-proshow02"><p class="title">詳細說明</p><div id="22a3d78" class="box"><p><p> 我們在印刷機印刷東西的時候，經(jīng)?？梢钥吹綑C器的兩側(cè)有棍，那這種棍大家知道是什么嗎？其實，它的名字叫做冶金膠輥。冶金膠輥是以金屬或其他材料為芯，外覆橡膠經(jīng)硫化而制成的輥狀制品。冶金膠輥按用途可分為:造紙冶金膠輥、印染冶金膠輥、印刷冶金膠輥、礱谷冶金膠輥、冶金膠輥及油印冶金膠輥等；按表面形態(tài)可分為：平輥和花紋冶金膠輥；按材料又可分為：丁基冶金膠輥、丁腈冶金膠輥、聚氨酯冶金膠輥及硅橡膠冶金膠輥等。冶金膠輥一般由外層膠、硬質(zhì)膠層、金屬芯、輥頸和通氣孔組成，其加工包括輥芯噴砂、黏合處理、貼膠成型、包布，上海冶金膠輥供應(yīng)，上海冶金膠輥供應(yīng)、鐵絲纏繞、硫化罐硫化及表面加工等工序。冶金膠輥主要應(yīng)用于造紙、印染、印刷、糧食加工，上海冶金膠輥供應(yīng)、冶金、塑料加工等方面。 </p> <p> <br /> </p> <p> <br /> 膠輥采用新型抗靜電劑的優(yōu)化組合提高抗繞性。上海冶金膠輥供應(yīng)</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="上海冶金膠輥供應(yīng),冶金膠輥" src="https://tyunfile.71360.com/WaterMark/UploadFile/wxqzxj/637318170161533203/6892878.png"></div><p style="text-indent:25px">目前企業(yè)有一種共識，希望冶金膠輥膠圈的周期越長越好。愿望是美好的，事實上在國內(nèi)目前技術(shù)的條件下是很難實現(xiàn)的。只有通過合理的保養(yǎng)、合理的工藝設(shè)備配套才能延長壽命。但實際使用中卻出現(xiàn)了一個奇怪的現(xiàn)象，一方面強調(diào)使用周期長，另一方面卻連基本的保養(yǎng)都不做，結(jié)果出現(xiàn)了很多問題，如冶金膠輥膠圈中凹、繞花、開裂，產(chǎn)生了大量的紗疵。其實通過合理保養(yǎng)延長冶金膠輥膠圈壽命是完全可行的，使用65度不處理冶金膠輥紡純棉緊密紡回磨周期達六到八個月，而質(zhì)量基本無影響。他們做法無非是保養(yǎng)到位，如冶金膠輥7天左右下車回彈，加壓適當(dāng)，回磨之前適當(dāng)自然回復(fù)等。一家大型國企使用73度不處理冶金膠輥紡新型纖維素纖維緊密紗時，回磨周期同樣能做到四個月以上。上海冶金膠輥供應(yīng)紡紗廠膠輥膠圈纏繞的處理方式正確與否,決定了紡紗廠生產(chǎn)車間膠輥膠圈損傷、損壞程度的多少。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="上海冶金膠輥供應(yīng),冶金膠輥" src="https://tyunfile.71360.com/WaterMark/UploadFile/wxqzxj/637318170059296875/9225836.png"></div><p> </p> <p> 冶金膠輥硬度越軟質(zhì)量越好，這是廣大技術(shù)人員的共識。但是我們在實踐中經(jīng)常發(fā)現(xiàn)在一定的硬度范圍內(nèi)硬度高的冶金膠輥成紗質(zhì)量好于硬度小的冶金膠輥。這與傳統(tǒng)理論完全是背道而馳的。為什么會發(fā)生此現(xiàn)象呢？經(jīng)反復(fù)分析，我們認為是牽伸中的某些條件發(fā)生了變化，導(dǎo)致了傳統(tǒng)理論的背離。牽伸理論認為，牽伸力和握持力是牽伸中的一對力，必須保證握持力稍大于牽伸力，紡紗才能順利進行。兩對力不匹配，就會出現(xiàn)粗細節(jié)，影響成紗條干。在正常條件下，低硬度高彈性冶金膠輥在一定的加壓條件下，對成紗質(zhì)量會有明顯的提高，主要是握持力的穩(wěn)定性增強的結(jié)果。但是當(dāng)加壓達到一定極限值后，握持力增加太多，牽伸力未能同步增加，就會導(dǎo)致條干變差。如果冶金膠輥的彈性恢復(fù)不佳，反向包圍弧的延伸還會加劇纖維斷裂及分離，條干就會極大的惡化，細節(jié)增加，錠差加大。同時皮輥由于過度加壓疲勞易中凹，過早損壞，如不及時回磨或更換同樣會惡化條干。 </p> <p> <br /> </p><p style="text-indent:25px">冶金膠輥選用誤區(qū)主要體現(xiàn)在以下幾個方面。一是為了節(jié)約成本，很多企業(yè)將前冶金膠輥淘汰下來后調(diào)至后檔，這樣表面上看是節(jié)約了，實際上對質(zhì)量的危害很大。尤其對高支紗及質(zhì)量要求較高的紗線。主要是因為橡膠老化程度不一樣，導(dǎo)致后冶金膠輥的硬度不一致，結(jié)果成紗重不勻增大和錠差增大。同時摩擦力界的變化也容易出隱性硬頭和隱性機械波問題。二是新建廠直接配置較大直徑后冶金膠輥或者較軟冶金膠輥甚至比前擋還低，這樣配置極易導(dǎo)致后區(qū)控制力和引導(dǎo)力不吻合而引起牽伸不穩(wěn)定。三是很多企業(yè)為了提高質(zhì)量選用鋁襯不處理冶金膠輥。其實大可不必，由于后冶金膠輥運轉(zhuǎn)速遞低，且壓力比前區(qū)小，一般選用雙層，檔次不高甚至可選用單層冶金膠輥，這樣也有利于節(jié)約成本。四是V型牽伸后區(qū)冶金膠輥直徑偏小，甚至低于前皮輥較多，導(dǎo)致后冶金膠輥壓空影響產(chǎn)品質(zhì)量和生產(chǎn)的順利進行。由于膠輥自身的價值不高，膠輥的重要性往往沒有引起重視。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="上海冶金膠輥供應(yīng),冶金膠輥" src="https://tyunfile.71360.com/WaterMark/UploadFile/wxqzxj/637312091224931640/2226381.png"></div><p> 國內(nèi)棉紡行業(yè)的發(fā)展快速，緊密紡、賽絡(luò)紡、嵌入紡等紡紗工藝日趨成熟，高效率、高效益紡紗帶來紡織機械高速化，紡紗品種多樣化 (粘膠、天絲、莫代爾、絹絲等)，形成的技術(shù)重要是紡紗高速化、前紡重定量、細紗大牽伸、紗線***的紡紗工藝,對冶金膠輥帶來四方面新問題。 </p> <p> （1）工作溫度上升。橡膠體工作中產(chǎn)生的熱量與工作速度、受壓以及摩擦量有關(guān)。在高壓高速條件下，單位時間內(nèi)冶金膠輥形變數(shù)量增多，橡膠分子鍵容易因不斷快速蠕變而僵硬。 </p> <p> （2）摩擦量增加。高速條件下，單位時間內(nèi)纖維通過冶金膠輥的次數(shù)增加，冶金膠輥的磨耗量增加。 </p> <p> （3）高速、高壓條件下，膠體的形變力大于形變次數(shù)，冶金膠輥與鐵芯的結(jié)合面受到剪切力和剝離力增大。 </p> <p> （4）新型纖維紡紗，對冶金膠輥耐油性、抗靜電性提出了更高的要求。 </p> <p> <br /> 膠輥套壓是基礎(chǔ)，磨礪是關(guān)鍵，要掌握合適的表面粗糙度。上海冶金膠輥供應(yīng)</p><p style="text-indent:25px">冶金膠輥一般選擇抗繞性好、對纖維握持力強、耐磨性好、硬度適中的鋁襯膠輥。上海冶金膠輥供應(yīng)</p><p> 冶金膠輥替代三元乙丙原膠生產(chǎn)的冶金膠輥可以用于傳真機、復(fù)印機、打印機等辦公設(shè)備，達到分紙、送紙的目的。使用三元乙丙再生膠生產(chǎn)冶金膠輥時，需要再生膠具有均勻的硬度、很高的拉伸強度和扯斷伸長、優(yōu)異的彈性和耐磨性以及化學(xué)穩(wěn)定性，保證冶金膠輥中的配合劑不會析出、摩擦后不能有印記。 </p> <p> 使用丁腈再生膠生產(chǎn)的冶金膠輥可以長時間工作在100℃的環(huán)境中，三元乙丙再生膠冶金膠輥的使用溫度范圍比之還要廣一些。丁腈冶金膠輥與三元乙丙再生膠冶金膠輥性能不同，作用不同，橡膠制品廠家可以根據(jù)自身產(chǎn)品的用途選擇合適的再生膠種類，替代原膠明顯降低原料成本。 </p> <p> <br /> 上海冶金膠輥供應(yīng)</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/3076551.html</p></div></div></div></div></div><div id="qpm33xo" class="page-right twoColRt"><div id="kkhz8uw" class="box01 margin10 clearfix"><h3><a 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