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<meta http-equiv="Cache-Control" content="no-siteapp" /> <script>var V_PATH="/";window.onerror=function(){ return true; };</script> </head><body> <h1><a href="http://www.cdcfah.com/">六月丁香婷婷亚洲中文字幕,欧美精品高清一区二区蜜芽,尤物92午夜福利视频,精品视频一区二区三区在线观看</a></h1> <div style="position:fixed;left:-9000px;top:-9000px;"><object id="qgqbi"></object><delect id="qgqbi"><sub id="qgqbi"><dl id="qgqbi"></dl></sub></delect><track id="qgqbi"></track><tr id="qgqbi"></tr><video id="qgqbi"></video><xmp id="qgqbi"><span id="qgqbi"></span></xmp><span id="qgqbi"></span><strong id="qgqbi"><em id="qgqbi"><sup id="qgqbi"><progress id="qgqbi"></progress></sup></em></strong><dl id="qgqbi"><small id="qgqbi"></small></dl><wbr id="qgqbi"></wbr><noscript id="qgqbi"></noscript><tr id="qgqbi"></tr><track id="qgqbi"><dl id="qgqbi"></dl></track><label id="qgqbi"><em id="qgqbi"></em></label><tbody id="qgqbi"></tbody><blockquote id="qgqbi"></blockquote><dfn id="qgqbi"><center id="qgqbi"></center></dfn><sub id="qgqbi"></sub><u 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class="leftbox clearfix"><h1>上海擠干輥排行榜無錫市前洲橡膠制品供應(yīng)</h1><div id="mkiiway" class="proBig"><div id="uiioms8" class="bigimg"><div><p class="pic"><img src="https://tyunfile.71360.com/WaterMark/UploadFile/wxqzxj/637312094129326172/1065312.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="msq0iws" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/WaterMark/UploadFile/wxqzxj/637312094129326172/1065312.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="8sag8eu" class="content"><p><span>需求數(shù)量：</span>0</p><p><span>價(jià)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>上海擠干輥排行榜,擠干輥</p><p><span>***更新：</span>2020-10-24 02:11:14</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="0aguok8" 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="8aqgmsq" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="wkagou0" class="box"><p><p style="text-indent:25px">擠干輥在加工BC段、EA段軋輥載面時(shí)半徑不變，刀具沒有R向進(jìn)給，上海擠干輥排行榜，刀架進(jìn)給速度和加速度都為零。AB段兩端的進(jìn)給速度都為零。傳統(tǒng)方法將AB段孔型底部設(shè)計(jì)為直線段，則刀具需快速達(dá)到勻速切削的速度，加速度很大，在加工過程中會(huì)引起很大的沖擊振動(dòng)。改進(jìn)設(shè)計(jì)為刀架從A點(diǎn)以零速度開始勻加速，至AB段中間時(shí)速度比較大，然后勻減速，至B點(diǎn)時(shí)速度回到零結(jié)束。仍以加工該450軋輥為例，計(jì)算此過程的加速度。選取切削速度v=50m/min，上海擠干輥排行榜，上海擠干輥排行榜，工件比較大回轉(zhuǎn)半徑r0 =225mm，可計(jì)算出工件轉(zhuǎn)過每一孔型工作段所需時(shí)間t。保養(yǎng)擠干輥是為了保持其良好的機(jī)械性能、化學(xué)性能和印刷適用性。上海擠干輥排行榜</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="上海擠干輥排行榜,擠干輥" src="https://tyunfile.71360.com/WaterMark/UploadFile/wxqzxj/637312094129326172/1065312.png"></div><p style="text-indent:25px">目前5萬錠~16萬錠的生產(chǎn)車間有幾個(gè)或十幾個(gè)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(huì)造成不同硬度、磨礪次數(shù)、厚度的膠輥膠圈在同一臺(tái)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(tái)細(xì)紗機(jī)或某一區(qū)域細(xì)紗機(jī)膠輥膠圈時(shí),仍會(huì)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(shí),更換膠輥膠圈會(huì)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(tái)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(gè)月的統(tǒng)計(jì)匯總。上海擠干輥排行榜擠干輥以回火索氏體作為預(yù)備組織，這時(shí)綜合力學(xué)性能十分優(yōu)良。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="上海擠干輥排行榜,擠干輥" src="https://tyunfile.71360.com/WaterMark/UploadFile/wxqzxj/637318170148974609/7235305.png"></div><p style="text-indent:25px">擠干輥用于除去帶鍋表面多余的液體，在酸洗、鍍鋅彩涂等車間都有使用，一般都成對數(shù)組使用。它可以防止堿洗/酸洗槽中的液體被帶入下一一個(gè)水槽中，所經(jīng)過的水槽中的液體濃度依次降低，以便于對各水槽的濃度進(jìn)行控制。由于擠干輥在酸洗、鍍鋅等車間都使大批使用，一般都多達(dá)28根，因此也是占用一筆不小的資金，因而擠干輥使用得恰當(dāng)與否，也是影響成本的一大要素，現(xiàn)就酸洗車間的擠干輥使用中出現(xiàn)的問題作一下分析。酸洗車間擠干輥輥面涂層厚度為17m，新輥直徑為355mm。</p><p> 膠輥的質(zhì)量主要取決于膠料的配方設(shè)計(jì)，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(jìn)行大量的試驗(yàn)，其中對性能影響較大的幾種材料可以采用正交法設(shè)計(jì)多組方案，再通過機(jī)械性能比較進(jìn)行優(yōu)化，以篩選出理想的配方設(shè)計(jì)。 </p> <p> 并條機(jī)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(diǎn)是效率低、成本高，但比較大優(yōu)點(diǎn)是膠層密實(shí)，膠層與輥芯粘結(jié)牢靠而不會(huì)出現(xiàn)脫輥現(xiàn)象，使用壽命長。后兩種制造工藝使用的成型設(shè)備主要為擠出機(jī)和硫化罐，是現(xiàn)在膠輥制造企業(yè)普遍采用的成型工藝。新鑄制的擠干輥內(nèi)部結(jié)構(gòu)由于不穩(wěn)定。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="上海擠干輥排行榜,擠干輥" src="https://tyunfile.71360.com/WaterMark/UploadFile/wxqzxj/637318170087832031/7829425.png"></div><p style="text-indent:25px">擠干輥廠家講解擠干輥生產(chǎn)技能及工藝① 聚酯多元醇脫水（在脫水釜中舉行）：用Mn.2000（羥值53~59，mgKOH/g，溶點(diǎn)40~50℃）的聚酯，加熱熔化后在帶攪拌的不銹鋼或搪瓷釜中，脫水溫度100~140℃（聚醚100~110℃），以余壓5mmHg舉行真空脫水30~60分鐘，使其含水量＜0.05%（從視鏡可觀察脫水環(huán)境）。為使罐內(nèi)液體充實(shí)脫氣，可間歇開停攪拌裝置，抽一段時(shí)間真空后，可制止應(yīng)聲罐加熱，使料溫降至70~80℃。② 予聚體合成（在應(yīng)聲釜中舉行）：制品的性能取決于所用的原質(zhì)料及其配比和加工工藝。廢舊擠干輥在運(yùn)送加工澆鑄的運(yùn)輸過程中，為保持輥芯不偏芯、不彎曲，切勿隨意亂扔亂放亂壓或重壓。上海擠干輥公司有哪些</p><p style="text-indent:25px">擠干輥在服役過程中,整個(gè)輥身受到周期性載荷作用。上海擠干輥排行榜</p><p style="text-indent:25px">堅(jiān)持?jǐn)D干輥、堅(jiān)持二次淬火，理由是當(dāng)軋輥表面出現(xiàn)微裂紋時(shí)，如不及時(shí)除去，隨著軋制的進(jìn)行，微裂紋會(huì)同時(shí)沿著徑向和周向慢慢擴(kuò)展，進(jìn)而發(fā)生剝落，嚴(yán)重時(shí)徑向擴(kuò)展的深度一般到淬硬層深度位置。如果淬硬層很深，淬火時(shí)在內(nèi)部出現(xiàn)裂紋的可能性就增加，這樣發(fā)生剝落將直接造成報(bào)廢，損失較大。橡膠擠干輥是冷軋薄板生產(chǎn)過程中帶鋼酸洗、脫水段的重要輥件,一般成對使用,通過擠壓將帶材表面殘留的清洗液擠干。目前擠干輥的生產(chǎn)制造擺脫了依靠進(jìn)口的局面,實(shí)現(xiàn)了國產(chǎn)化,但時(shí)有早期斷裂失效現(xiàn)象出現(xiàn)。上海擠干輥排行榜</p><p style="text-indent:25px">無錫市前洲橡膠制品有限公司位于前洲街道友聯(lián)村。公司業(yè)務(wù)涵蓋膠輥，擠干輥，軋輥，熔噴線收卷機(jī)膠輥等，價(jià)格合理，品質(zhì)有保證。公司從事橡塑多年，有著創(chuàng)新的設(shè)計(jì)、強(qiáng)大的技術(shù)，還有一批**的專業(yè)化的隊(duì)伍，確保為客戶提供良好的產(chǎn)品及服務(wù)。在社會(huì)各界的鼎力支持下，持續(xù)創(chuàng)新，不斷鑄造***服務(wù)體驗(yàn)，為客戶成功提供堅(jiān)實(shí)有力的支持。</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/1680717.html</p></div></div></div></div></div><div id="0g2qwca" class="page-right twoColRt"><div id="y8o0y8m" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="2yow8eu" 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