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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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href="http://www.cdcfah.com/cp/third-gntl_fftl/">防腐涂料</a>?北京達(dá)克羅涂覆有限公司誠信為本常州捷邁特表面工程技術(shù)供應(yīng)</p><div id="74yuwva" class="leftbox clearfix"><h1>北京達(dá)克羅涂覆有限公司誠信為本常州捷邁特表面工程技術(shù)供應(yīng)</h1><div id="8fjiub7" class="proBig"><div id="vyfxoqc" class="bigimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/13915042526/637333457687958984/8664291.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="zt22yqx" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/13915042526/637333457687958984/8664291.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="m8movx8" 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>北京達(dá)克羅涂覆有限公司,達(dá)克羅</p><p><span>***更新：</span>2020-11-12 02:18:25</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="3rvb8m3" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">常州捷邁特表面工程技術(shù)有限公司</a></p><p><span>聯(lián)系人：</span>張建平</p><p><span>郵箱: </span>2228205437@qq.com</p><p><span>電話: </span>13806111697</p><p><span>傳真: </span>0519_89886107</p><p><span>網(wǎng)址: </span>http://www.jmtdacromet.com</p><p><span>手機(jī): </span>0519-89886107</p><p><span>地址: </span>昆侖路35號</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="udfxjfh" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="bqspr3u" class="box"><p><p style="text-indent:25px">帶有油脂的工件表面必須進(jìn)行脫脂，方法一般有三種：有機(jī)溶劑脫脂、水基脫脂劑脫脂、高溫炭化脫脂。脫脂是否徹底有效，將直接影響涂層的附著力及耐腐蝕性。除銹除毛刺：凡是有銹或有毛刺的工件嚴(yán)禁直接涂覆，必須通過除銹除毛刺工序，北京達(dá)克羅涂覆有限公司，此工序較好用機(jī)械方法，避免酸洗，以防氫脆，且酸洗除銹,因酸洗影響達(dá)克羅涂層的耐蝕性。涂覆：經(jīng)過除油除銹的清潔工件必須盡快通過浸涂\噴涂\刷涂的方式進(jìn)行表面涂覆。工件涂覆加工時，涂液的比重、ph、粘度、cr6+含量、涂液的溫度及流動狀況等將直接影響工件的涂覆效果，北京達(dá)克羅涂覆有限公司，影響涂層的各項(xiàng)性能。所以涂覆過程中要調(diào)整好溫度、溶液指標(biāo)以及浸涂中離心機(jī)轉(zhuǎn)速三者之間的關(guān)系，北京達(dá)克羅涂覆有限公司。達(dá)克羅工藝處理的零部件在250℃長期使用，其外觀幾乎不變，抗腐蝕能力很強(qiáng)。北京達(dá)克羅涂覆有限公司</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="北京達(dá)克羅涂覆有限公司,達(dá)克羅" src="https://tyunfile.71360.com/UploadFile/13915042526/637333457687958984/8664291.png"></div><p style="text-indent:25px">解決鋼結(jié)構(gòu)件點(diǎn)焊并鍍鋅后出現(xiàn)的焊點(diǎn)銹蝕問題：引進(jìn)達(dá)克羅技術(shù)前，組合結(jié)構(gòu)件采用點(diǎn)焊工藝和鍍鋅防護(hù)，表面質(zhì)量與產(chǎn)品防護(hù)性皆差。先點(diǎn)焊后鍍鋅，在組合件夾層間由于酸液清洗不干凈，造成出廠后產(chǎn)品銹蝕。若先鍍鋅后點(diǎn)焊則焊點(diǎn)處鋅層破壞，外觀質(zhì)量不保。工藝部門左右為難。采用了達(dá)克羅技術(shù)后，因達(dá)克羅涂層技術(shù)遠(yuǎn)離酸、堿（鍍液），避免了腐蝕問題。更令人高興的是涂達(dá)克羅零件點(diǎn)焊后焊點(diǎn)涂層完好，且無灼色。至此，一切迎刃而解。邳州達(dá)克羅表面處理價(jià)格達(dá)克羅（鋅鉻涂層）技術(shù)是目前應(yīng)用比較普遍的一種金屬表面防腐處理技術(shù)。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="北京達(dá)克羅涂覆有限公司,達(dá)克羅" src="https://tyunfile.71360.com/UploadFile/13915042526/637333457938593750/8986644.png"></div><p style="text-indent:25px">達(dá)克羅與電鍍相比，對于小孔的內(nèi)壁，電鍍時是很困難的，但達(dá)克羅涂覆時則能很好的涂覆上去。經(jīng)相關(guān)試驗(yàn)，收緊的彈簧件經(jīng)過達(dá)克羅處理后，放開后再作鹽霧試驗(yàn)，其耐鹽霧試驗(yàn)的時間仍可達(dá)到240ｈ以上，說明達(dá)克羅涂液已滲入緊密結(jié)合的縫隙處。也是由于鋅鉻涂層（達(dá)克羅）以上的這些優(yōu)勢，通常鋅鉻涂層（達(dá)克羅）抗震支架產(chǎn)品價(jià)格會稍高一些。達(dá)克羅涂覆工件，可以采用浸涂法，這是較常用的一種方法，主要用于標(biāo)準(zhǔn)件或比較小的工件。對于尺寸比較大的零件，可以采用噴涂或刷涂。</p><p style="text-indent:25px">相對于部分傳統(tǒng)的電鍍工藝，達(dá)克羅具有更多的優(yōu)勢。例如使用達(dá)克羅工藝后的產(chǎn)品，防腐蝕性能是傳統(tǒng)鍍鋅的幾十倍，通過鹽霧測試后發(fā)現(xiàn)，普通達(dá)克羅可以達(dá)到鍍鋅的20倍，而那些長效達(dá)克羅的測試時間會更長，在核工業(yè)中的有些部件使用達(dá)克羅工藝，使用壽命能達(dá)到30年。達(dá)克羅不會像其它電鍍工藝那樣，在受到拉伸和應(yīng)力作用后有裂紋，或者斷裂現(xiàn)象。在高溫環(huán)境下達(dá)克羅有很好的穩(wěn)定性，這比傳統(tǒng)的鍍鋅耐高溫性能要高很多。使用達(dá)克羅工藝后的產(chǎn)品有非常好的抗沖擊性能，所以達(dá)克羅工藝非常適合那些受力部件，這是因?yàn)檫_(dá)克羅滲透性好，能將表面鍍層與產(chǎn)品很好的結(jié)合在一起。達(dá)克羅涂層主要由鱗片狀鋅片、鋁片以及無定形復(fù)合鉻酸鹽聚合物組成。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="北京達(dá)克羅涂覆有限公司,達(dá)克羅" src="https://tyunfile.71360.com/UploadFile/13915042526/637333457835185547/6132357.png"></div><p style="text-indent:25px">達(dá)克羅的涂層經(jīng)過高溫烘烤后，在工件的表面形成了由鋅、鋁片及復(fù)合鹽組成的涂層，它與鋼鐵基體有著良好的結(jié)合力，所以它的附著性相當(dāng)?shù)暮?。同時，這樣形成的涂層表面，有利于各種涂料的再涂裝。達(dá)克羅使用技巧介紹：1.達(dá)克羅遇光照會迅速老化，所以達(dá)克羅的涂覆過程應(yīng)該在室內(nèi)進(jìn)行。2.達(dá)克羅烘烤溫度過低、過高都會使達(dá)克羅喪失防腐能力，達(dá)克羅應(yīng)該在合適的溫度范圍內(nèi)烘烤。3.達(dá)克羅的使用周期很短，所以應(yīng)該盡快用完。達(dá)克羅的耐磨性能較差，所以應(yīng)頂涂達(dá)克羅，然后再涂以耐磨性的其他涂料。這項(xiàng)技術(shù)特別適用于管類及型腔復(fù)雜的汽車零件的防腐，有些組裝件在裝配好以后也適宜進(jìn)行達(dá)克羅處理。達(dá)克羅對烘烤固化方面有著嚴(yán)格的要求。達(dá)克羅涂層處理</p><p style="text-indent:25px">達(dá)克羅是DACROMET譯音和縮寫，簡稱達(dá)克羅、達(dá)克銹、迪克龍。北京達(dá)克羅涂覆有限公司</p><p style="text-indent:25px">達(dá)克羅優(yōu)化了對鋁電化學(xué)元素腐蝕的防護(hù)機(jī)能：一般來說，電極電位不同的兩種金屬或合金相接觸時，就會產(chǎn)生電化學(xué)腐蝕、鍍鋅的防腐蝕機(jī)理是金屬鋅的**腐蝕導(dǎo)致防蝕效果，而達(dá)克羅的防腐機(jī)理是建立在Cr酸的鈍化作用和鋅的受控**保護(hù)作用上，所以優(yōu)化了機(jī)理，控制了鋅的消耗，從而大幅度提高了防蝕性能的安全性。達(dá)克羅低摩擦性：加入潤滑劑后的達(dá)克羅涂層，經(jīng)適當(dāng)處理可以產(chǎn)生0.06—0.12系數(shù)的**摩擦性，經(jīng)一般處理則產(chǎn)生0.12—0.18系數(shù)的中等摩擦性。北京達(dá)克羅涂覆有限公司</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/1950839.html</p></div></div></div></div></div><div id="v3kh8y4" class="page-right twoColRt"><div id="aurt7ut" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="x8np3bq" 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) 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