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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>上海橡膠輥供應(yīng),橡膠輥</p><p><span>***更新：</span>2021-01-25 01:05:22</p><p><span id="click" >瀏覽次數(shù)：2次</span></p><a rel="nofollow" class="button">聯(lián)系我們</a></div></div><div id="lrppzn7" 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="9rdnbdx" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="rjvr11l" class="box"><p><p> 在硫化后對表面進(jìn)行研磨時即有可能出現(xiàn)砂眼，由此將導(dǎo)致整個膠輥出現(xiàn)超標(biāo)返修，甚至報廢。二、成型膠輥成型主要是在金屬芯上粘貼包覆橡膠，有包貼法、擠出法、模壓法、注壓法和注射法等。目前國內(nèi)主要以機(jī)械或手工粘貼成型為主，國外多數(shù)已實(shí)現(xiàn)了機(jī)械自動化。大中型膠輥基本上采用仿形擠出，用壓出膠片連續(xù)粘貼成型或擠出膠條連續(xù)纏繞成型的方式生產(chǎn)。同時，在成型過程中以微機(jī)自動控制其規(guī)格尺寸和外觀形狀，有的也可用壓出機(jī)直角和異形擠出的方法進(jìn)行成型。上述成型方法不*能減輕勞動強(qiáng)度，同時還能消除可能產(chǎn)生的氣泡。為防止膠輥硫化中變形并防止氣泡和海綿的產(chǎn)生，尤其對包貼法成型的膠輥，外部還要采用柔性加壓的方法。通常是在膠輥外表面包扎纏繞數(shù)層棉布或錦綸布，再用鋼絲或纖維繩索加以固定加壓。盡管這一工藝早已實(shí)現(xiàn)了機(jī)械化，但由于硫化之后還要除去包扎物，形成一個“盲腸”工藝，使制造過程復(fù)雜化，而且因包扎布，上海橡膠輥供應(yīng)、纏繞繩的使用次數(shù)極為有限，上海橡膠輥供應(yīng)、消耗量大而造成浪費(fèi)。對小型和微型膠輥可以采用手工貼片、擠出套入，上海橡膠輥供應(yīng)、注壓、注射和澆注等多種生產(chǎn)工藝形式。為提高生產(chǎn)效率，現(xiàn)已大多采用模制法，而且精度也遠(yuǎn)遠(yuǎn)高于非模制法。解決的方法就是：膠輥之間的壓力應(yīng)該和接觸版面的壓力基本一致。上海橡膠輥供應(yīng)</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="上海橡膠輥供應(yīng),橡膠輥" src="https://tyunfile.71360.com/UploadFile/wxqzxj/637412316872061107/1098569.png"></div><p> 2.過濾：使膠體均勻、無雜質(zhì)。這一點(diǎn)對于高速印刷機(jī)尤為重要：在高速運(yùn)轉(zhuǎn)中受力均勻，傳遞能量均勻由于各種因素造成膨脹或收縮時，仍能保持均勻一致，這樣*依靠調(diào)節(jié)就可減輕或避免不利影響。3.固化：通過加溫加壓及硫化處理，穩(wěn)定贈速劑，使橡膠受外力時收縮降到小程度。將松軟并有延展性能的化合物變成堅實(shí)，而又有一定柔軟度的材料，從而更適合油墨的傳遞和轉(zhuǎn)移。4.研磨及拋光：決定膠輥尺寸精度及表面積的關(guān)鍵，尤其是酒精水輥的弧度處理。橡膠表面看起來是光滑的，但在高倍放大鏡下，有很多細(xì)小的凸起和凹陷部分。這些凸起和凹陷的部分增大了膠輥的表面積，使得其具有優(yōu)越得油墨轉(zhuǎn)移、傳遞性能。綜上所述，現(xiàn)今生產(chǎn)使用的膠輥已形成了具有獨(dú)特工藝的產(chǎn)品系列。雖然目前國內(nèi)仍以傳統(tǒng)產(chǎn)品為主，但技術(shù)含量在不斷提高，不少產(chǎn)品已經(jīng)進(jìn)入高新技術(shù)領(lǐng)域，附加值逐漸增大，正成為工業(yè)橡膠制品中又一個經(jīng)濟(jì)亮點(diǎn)。五、膠輥配方舉例作者：曾立新推薦文章技術(shù)力量是提升競爭力的法寶橡膠制品在汽車中的應(yīng)用膠輥中使用的膠粘劑建議方案！橡膠配方與各種物性之間的關(guān)系！橡膠技術(shù)網(wǎng)絡(luò)培訓(xùn)班（系列課程），報名學(xué)習(xí)！邀請函：2019年（青島）橡膠技術(shù)交流會，4月8-10日學(xué)習(xí)知識。安徽**橡膠輥加速膠輥的老化和變形。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="上海橡膠輥供應(yīng),橡膠輥" src="https://tyunfile.71360.com/UploadFile/wxqzxj/637412316825655016/8184655.png"></div><p> 膠輥輥芯在大部分檢測標(biāo)準(zhǔn)中都有提到，所以我們也可以作為膠輥檢測的參考指標(biāo)。膠輥主要檢測項目1.膠輥硬度檢測項目：橡膠國際硬度、趙氏硬度、邵爾A硬度；2.膠輥用膠料物理性能檢測項目：硬度、硬度公差、拉伸強(qiáng)度、拉伸伸長率、屈撓龜裂、撕裂強(qiáng)度、壓縮長久表現(xiàn)、回彈性、耐油質(zhì)量變化率、阿克隆磨耗、吸振性、摩擦性能；3.膠輥用膠料化學(xué)性能檢測項目：耐液體性能、耐酸試驗、耐堿試驗、熱空氣老化、耐腐蝕性、導(dǎo)電性、傳熱性、親水性、耐溶劑性；4.膠輥表面特性檢測項目：脫層、機(jī)械損傷、雜質(zhì)、氣泡、砂眼、表面粗糙度、表面處理；5.膠輥其他檢測項目：尺寸公差、膠層厚度、膠層與輥芯黏合強(qiáng)度；6.膠輥輥芯檢測項目：尺寸、表面質(zhì)量、壁厚、平衡量、焊縫質(zhì)量。常見質(zhì)量問題和修補(bǔ)缺陷1.有砂眼、雜志、氣孔、凹陷。膠料雜志過濾不凈，膠層過后搭接厚氣體排不出等造成。輕微的可以先把損壞處挖成凹形，處理界面厚涂抹熱硫化黏合劑和混煉膠高溫硫化成型，帶冷卻后車床打磨即可。嚴(yán)重的返工重新做。2.橡膠與金屬芯脫層輥芯表面處理不到位，螺紋太大比表面積小，膠黏劑沒有干燥好直接纏膠硫化、硫化罐升溫過快翹開或欠硫所致。要重新制作。3.重皮膠料返煉不均。</p><p> 促進(jìn)劑、軟化劑等須用原則與硬質(zhì)輥相同。（3）軟質(zhì)膠輥軟質(zhì)膠輥硬度在30~40（邵爾A），大多數(shù)為印染及印刷膠輥，由于性能要求不同，使用膠種不同，配合體系不同。①天然橡膠配合。要求硬度低達(dá)到30（邵爾A），均勻一致，表面光滑，彈性及柔軟性好。對于軟化劑，必須大量使用才能降低硬度，若要求硬度在20（邵爾A）左右時，軟化劑用量相當(dāng)于生膠的1~2倍，但會給混煉工藝造成困難，容易出現(xiàn)遷移現(xiàn)象，可以使用大量油膏填充，以保證半成品遷性。硫化體系一般硫黃倍，促進(jìn)劑選擇硫化流動性好，定型慢的促進(jìn)劑為主。常用促進(jìn)劑M、DM單用，用量一份左右。填料一般為輕質(zhì)碳酸鈣，碳酸鎂為主，用量不宜過多，約20~30份，其他用氯化鋅填充。②丁腈橡膠配合。丁腈橡膠適用于耐油印刷膠輥。采用合成酯類作為丁腈橡膠的軟化劑，用量不宜過多，避免造成噴出，可與油膏并用，既可降低硬度，又能保證加工工藝順利進(jìn)行，總用量約為200份左右。硫化體系與天然橡膠配合相同，只是硫黃用量稍低，促進(jìn)劑用量稍高。其他配合與天然橡膠配合相同。03配方舉例《橡膠制品配方》節(jié)選張玉龍01膠料制備對膠輥來說，膠料的混煉是為關(guān)鍵的環(huán)節(jié)。再用洗車水或汽油把殘留在膠輥上的煤油和浮石粉清洗干凈。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="上海橡膠輥供應(yīng),橡膠輥" src="https://tyunfile.71360.com/UploadFile/wxqzxj/637412316444082648/281271.png"></div><p> 用于高速、高壓下的聚氨酯膠輥，重點(diǎn)要改進(jìn)動態(tài)脫輥問題及裂紋現(xiàn)象。④硅橡膠：耐熱性達(dá)200-250度，耐化學(xué)藥品侵蝕性很好，主要缺點(diǎn)是拉伸強(qiáng)度低。硅橡膠輥典型的用途有織物熱定型，塑料的熱定型壓紋、壓延，復(fù)印機(jī)的定影等。成型硅橡膠輥采用膠片包卷成型，由于強(qiáng)度低，操作必須小心。⑤氯磺化聚乙烯；具有高韌性及彈性．耐磨耗，耐熱性可達(dá)150度，對各種化學(xué)藥品、油有好的抗耐性，有較好的絕緣性?？捎贸凉茶T法以外的各種方法制造，生產(chǎn)過程中膠料要避免陽光照射。⑥乙丙橡膠：能在150度高溫條件下使用，具有較好的耐化學(xué)藥品性能，耐極性溶劑，但不耐烴類溶劑和油類可用于制作擠壓膠輥、輸送膠輥、接觸含**和酯類溶劑的油墨的印刷輥。制輥可包卷成型和壓出成型，工藝操作中注意避免接觸油和烴類溶劑。聲明：[本文由哈爾濱軸承集團(tuán)濟(jì)南公司（hz-1950）自網(wǎng)絡(luò)轉(zhuǎn)載發(fā)布，*供參考、交流之目的，版權(quán)歸原作者所有，如有侵犯到您的權(quán)益，請留言聯(lián)系刪除。膠輥在發(fā)熱膨脹，加大膠輥的磨擦，這樣會使得膠輥的使用壽命縮短。上海橡膠輥供應(yīng)</p><p style="text-indent:25px">噴砂是為了讓膠輥表面更粗糙，包膠后膠與鐵芯粘合的更好。上海橡膠輥供應(yīng)</p><p>作為一家印刷膠輥生產(chǎn)商，我們不*在膠輥生產(chǎn)上掌握著先進(jìn)的技術(shù)，同時在膠輥的運(yùn)輸、貯存上有著深刻的體會，下面小編給大家分享一下印刷膠輥的貯存環(huán)境以及貯存注意事項。貯存環(huán)境1、膠輥在運(yùn)輸與貯存過程中，應(yīng)避免陽光直射，雨雪浸淋、禁止與酸、堿、油類及有機(jī)溶劑等按觸，并距熱源2m之外。2、膠輥應(yīng)貯存在溫度為10～35℃，相對濕度為50～80％的倉庫中。溫度過高或過低，會使膠面老化、龜裂、變硬、無彈性，造成不耐磨。濕度過大，會造成輥芯吸潮生銹。3、要用厚紙和黑塑料布覆蓋在輥的周圍等避光措施，不要在強(qiáng)光和紫外線下放置，否則會造成膠面老化、脫色、龜裂等，降低膠輥的使用壽命和影響印品質(zhì)量。貯存需注意事項膠輥在貯存時，要支撐起軸部存放，嚴(yán)禁擠壓堆放，輥間距不應(yīng)少于5mm。1、搬運(yùn)移動時，須抬、吊軸部，防止膠面磕、碰、劃傷。2、新輥暫時不用，請不要把包裝紙取下，包裝紙能起防護(hù)作用。3、超標(biāo)準(zhǔn)期存放的膠輥，使用前應(yīng)檢查膠輥無問題方可上機(jī)使用。為您推薦膠輥保護(hù)架移動方便，減少在搬運(yùn)過程中出現(xiàn)為失誤使用軸頭固定，對膠面起到有效的保護(hù)尺寸可調(diào)。上海橡膠輥供應(yīng)</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/2993832.html</p></div></div></div></div></div><div id="z9b5r91" class="page-right twoColRt"><div id="n9dvrb9" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="v9vpnx1" class="recomPic likePro"><a 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