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onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="tp9lht9" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/WaterMark/UploadFile/wxqzxj/637312092524365234/5951659.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="jzlp7vt" 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>上海絲光直輥廠家哪家便宜,絲光直輥</p><p><span>***更新：</span>2020-12-21 12:08:19</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="j9zvhtp" 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="hzfvfbz" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="fpdf7bf" class="box"><p><p style="text-indent:25px">實(shí)際生產(chǎn)中,各種規(guī)格的絲光直輥經(jīng)緯向縮水率是不平衡的?？ㄆ?、府調(diào)等經(jīng)密較高的織物,經(jīng)向縮水率多方面超過緯向縮水率，上海絲光直輥廠家哪家便宜,所以優(yōu)先考慮經(jīng)向張力;而平布等一類薄織物則正好相反。溫度燒堿與纖維素纖維的作用是放熱反應(yīng),所以提高堿液溫度有減弱纖維溶脹的作用,從而降低絲光效果,表現(xiàn)在收縮率和鋇值下降,所以絲光堿液以低溫較好,但實(shí)際生產(chǎn)中考慮到經(jīng)濟(jì)效益,以及溫度過低堿液粘度增大，上海絲光直輥廠家哪家便宜,使減液難以滲透到紗線和織物內(nèi)部,再有擴(kuò)幅較難，上海絲光直輥廠家哪家便宜,所以通常采用軋槽夾層通入冷流水使堿液冷卻即可。絲光直輥輥身長度，這兩個(gè)參數(shù)的確定是設(shè)計(jì)絲光直輥的前提。上海絲光直輥廠家哪家便宜</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="上海絲光直輥廠家哪家便宜,絲光直輥" src="https://tyunfile.71360.com/WaterMark/UploadFile/wxqzxj/637312092524365234/5951659.png"></div><p style="text-indent:25px">絲光是一個(gè)復(fù)雜的過程,關(guān)于棉纖維在濃堿液中發(fā)生劇烈溶脹的原因作出解釋。水合理論(1)燒堿與天然纖維素(纖維素)作用,生成堿纖維素,主要有兩種類型:①醇化合物:②分子化合物(加成化合物):兩種產(chǎn)物都不穩(wěn)定,經(jīng)水洗便水解成水合纖維素,再通過脫水烘干后即成為絲光纖維素(纖維素Ⅱ)整個(gè)過程纖維素的變化表示如下:纖維素Ⅰ Ⅱ 從而引起棉纖維物理和化學(xué)特性的相互的變化,呈現(xiàn)出優(yōu)良的性能(2)棉纖維經(jīng)濃NaOH處理發(fā)生劇烈的不可逆溶脹原因是:鈉離子體積小,它可以進(jìn)入到纖維的晶區(qū);上海絲光直輥廠家哪家便宜絲光直輥中凹將影響鉗口對(duì)纖維的有效握持，易出現(xiàn)不正常牽伸作用而導(dǎo)致條干惡化。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="上海絲光直輥廠家哪家便宜,絲光直輥" src="https://tyunfile.71360.com/WaterMark/UploadFile/wxqzxj/637312092469902344/7185310.png"></div><p style="text-indent:25px">矯直處理目前只針對(duì)盤條鋼筋，由于盤條在鋼廠的軋制、收卷、熱處理、運(yùn)輸、堆放等過程中容易產(chǎn)生殘余應(yīng)力。而直條鋼筋相對(duì)盤條鋼筋情況大不相同，一般可直接投入生產(chǎn)。在工廠化的鋼筋加工中，鋼筋平直性尤為重要，其涉及后續(xù)的配送、彎曲、焊接等各項(xiàng)生產(chǎn)要素。目前的鋼筋矯直都是采用矯直機(jī)進(jìn)行矯直。蟬蛹的矯直機(jī)構(gòu)有兩種：輥式矯直機(jī)構(gòu)和旋轉(zhuǎn)式矯直機(jī)構(gòu)。輥式矯直機(jī)構(gòu)結(jié)構(gòu)較為簡(jiǎn)單，成本低，但矯直效果較差，對(duì)鋼筋內(nèi)部殘余應(yīng)力的去掉不夠徹底。旋轉(zhuǎn)矯直機(jī)構(gòu)結(jié)構(gòu)較為復(fù)雜，成本高，還需配備旋轉(zhuǎn)動(dòng)力能耗較高，但矯直效果好，對(duì)鋼筋的環(huán)向應(yīng)力去掉的較為徹底。這兩種矯直機(jī)構(gòu)在鋼筋加工設(shè)備上得到大量的應(yīng)用。</p><p style="text-indent:25px">絲光分干布絲光和濕布絲光兩種,由于濕布絲光含濕較難控制,因此以干布絲光較多。其他堿金屬的氫氧化物對(duì)纖維素纖維也有一定的膨化作用,但其膨化能力隨原子量增大而↓,且成本較高,因此只有燒堿才具實(shí)用價(jià)值,某些酸和鹽類溶液(H2SO4,HNO3,)也可使纖維素纖維膨化,獲得絲光效果,但實(shí)際生產(chǎn)有困難,缺少實(shí)際意義。無水液氨因分子小,純度高,也是一種優(yōu)良的膨化劑,20世紀(jì)60年代未曾進(jìn)行過絲光研究,其產(chǎn)品的光澤和染色性能均不及堿絲光,但手感柔軟、尺寸穩(wěn)定性和抗皺性較高,故近年來作為與后整理中機(jī)械預(yù)縮、樹脂整理結(jié)合應(yīng)用的新工藝,稱為液氨整理。絲光直輥間一定要注重絲光直輥、軸承的管理。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="上海絲光直輥廠家哪家便宜,絲光直輥" src="https://tyunfile.71360.com/WaterMark/UploadFile/wxqzxj/637312092590468750/575161.png"></div><p style="text-indent:25px">直輥的套制和壓圓整形工作特別重要，對(duì)降低條干CV值，條干管間CVb值，尤其是對(duì)直輥機(jī)械波的產(chǎn)生影響較大。如單層直輥套差過大，造成壓圓不到位，圓周應(yīng)力差異大，即影響條干水平，又造成管間CVb值高，同時(shí)也容易產(chǎn)生直輥機(jī)械波。雙層直輥雖然圓周應(yīng)力集中在內(nèi)層上，但由于壓圓不佳，在運(yùn)轉(zhuǎn)過程中還是釋放在外層紡紗膠管上。另外，套制雙層膠和鋁襯膠管稍有不慎，造成雙層膠管內(nèi)壁某一局部損傷或破損物殘留在膠管與鐵殼之間，在運(yùn)轉(zhuǎn)中也造成有規(guī)律的應(yīng)力不勻而產(chǎn)生直輥機(jī)械波。絲光直輥曲面是由絲光直輥與管材接觸時(shí)所形成的空間曲線所確定的。上海絲光直輥生產(chǎn)線</p><p style="text-indent:25px">絲光直輥間工作人員要配合并條揩、平車及時(shí)添加潤滑油。上海絲光直輥廠家哪家便宜</p><p style="text-indent:25px">并條直輥的結(jié)構(gòu)有整體和套裝兩種形式。多數(shù)紡織廠使用的是套裝式，這種結(jié)構(gòu)對(duì)輥芯、輥芯兩端軸的硬度、抗沖擊性、潤滑條件等都有較高要求；而膠管的圓度、錐度、鍵芯的跳動(dòng)等因素，也是保證棉條質(zhì)量的前提。3 直輥使用中出現(xiàn)的問題在對(duì)并條牽伸通道的日常檢查中，經(jīng)常發(fā)現(xiàn)直輥軸頭跳動(dòng)較大，很多直輥還有軸向游動(dòng)的問題，大游動(dòng)量達(dá)到約 4 mm；將跳動(dòng)嚴(yán)重和游動(dòng)量大的直輥更換到前道進(jìn)行試驗(yàn)，均出現(xiàn)了嚴(yán)重的機(jī)械波。3.1直輥跳動(dòng)對(duì)跳動(dòng)嚴(yán)重的直輥進(jìn)行檢測(cè)，發(fā)現(xiàn)軸芯彎曲的較多，主要是因?yàn)槿庇突蚣訅翰划?dāng)造成。上海絲光直輥廠家哪家便宜</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/2492415.html</p></div></div></div></div></div><div id="z7797rv" class="page-right twoColRt"><div id="f9rndj9" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="zzb79fz" 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(qiáng) 信息推薦自業(yè)物資供應(yīng)" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></div><p>福建ZF配件哪家強(qiáng) 信息推薦自業(yè)物資供應(yīng)</p></a></div><div id="tfxtvrn" class="recomPic likePro"><a href="http://www.cdcfah.com/cp/846569.html"><div><img 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