宜興標準件達克羅貼心服務(wù) 常州捷邁特表面工程技術(shù)供應(yīng)-b2b網(wǎng)站_b2b電子商務(wù)平臺【買產(chǎn)品】-上?？谄蚴称酚邢薰?/title><meta name="description" content="解決鋼結(jié)構(gòu)件點焊并鍍鋅后出現(xiàn)的焊點銹蝕問題：引進達克羅技術(shù)前，組合結(jié)構(gòu)件采用點焊工藝和鍍鋅防護，宜興標準件達克羅，表面質(zhì)量與產(chǎn)品防護性皆差。先點焊后鍍鋅，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。若先鍍鋅后點焊則焊點處鋅層破壞，"><meta name="keywords" content="宜興標準件達克羅,達克羅"><link rel="canonical" href="http://www.cdcfah.com/"/><meta name="applicable-device" content="pc"><link rel="shortcut icon" href="/static/new_net_01/images/favicon.ico"><link rel="stylesheet" href="/static/new_net_01/css/slick.css" /><link rel="stylesheet" href="/static/new_net_01/css/addnew.css"><link rel="stylesheet" href="/static/new_net_01/css/sidenav.css"><link rel="stylesheet" href="/static/new_net_01/css/style.css" /><link rel="stylesheet" href="/static/new_net_01/css/tab.css"><link rel="stylesheet" href="/static/new_net_01/css/404.css"> <meta name="baidu-site-verification" content="OBVzrC9aaQ" /> <meta http-equiv="Cache-Control" 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src="https://tyunfile.71360.com/UploadFile/13915042526/637333457802675781/1784574.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="uifxz97" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/13915042526/637333457802675781/1784574.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="e2yx37l" 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>宜興標準件達克羅,達克羅</p><p><span>***更新：</span>2021-01-19 10:14:29</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="dxphw4x" 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: </span>0519-89886107</p><p><span>地址: </span>昆侖路35號</p><p>[當前離線] <a rel="nofollow"> [加為商友] </a><a rel="nofollow"> [發(fā)送信件] </a></p></div></div><div id="kjqxe98" class="page-proshow02"><p class="title">詳細說明</p><div id="gurj8so" class="box"><p><p style="text-indent:25px">解決鋼結(jié)構(gòu)件點焊并鍍鋅后出現(xiàn)的焊點銹蝕問題：引進達克羅技術(shù)前，組合結(jié)構(gòu)件采用點焊工藝和鍍鋅防護，宜興標準件達克羅，表面質(zhì)量與產(chǎn)品防護性皆差。先點焊后鍍鋅，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。若先鍍鋅后點焊則焊點處鋅層破壞，外觀質(zhì)量不保，宜興標準件達克羅。工藝部門左右為難。采用了達克羅技術(shù)后，因達克羅涂層技術(shù)遠離酸、堿（鍍液），避免了腐蝕問題。更令人高興的是涂達克羅零件點焊后焊點涂層完好，且無灼色，宜興標準件達克羅。至此，一切迎刃而解。達克羅涂層技術(shù)得到推廣，呈燎原之勢。宜興標準件達克羅</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="宜興標準件達克羅,達克羅" src="https://tyunfile.71360.com/UploadFile/13915042526/637333457802675781/1784574.png"></div><p style="text-indent:25px">各種金屬表面涂層使用達克羅技術(shù)，也是必要的。一是因為原電鍍件防蝕性差，易生銹;防熱腐蝕性差，易變形;涂層表面穩(wěn)定性差，易氫脆;二是因為達克羅技術(shù)克服了電鍍的這些缺點，可以做到十年以上不生銹，可以適應(yīng)用戶的要求，適應(yīng)出口產(chǎn)品的要求。對于個別要求高的零件，如汽車、摩托車、航天航空，公路橋梁、電器電子等要求高的零件，電鍍技術(shù)是無法滿足的，只能用達克羅技術(shù)才能解決，這是電鍍無法比擬的。達克羅表面處理技術(shù)是傳統(tǒng)電鍍無法比擬的，達克羅良好的防腐蝕性使它首先在世界汽車行業(yè)上得到普遍應(yīng)用。那么如何檢測達克羅涂層的優(yōu)劣呢？可以從以下幾點來判斷。陽光下肉眼觀察顏色，鋅鉻涂層基本色調(diào)為銀灰色，經(jīng)改性也可為黑色等其他顏色。涂層基本均勻，無明顯局部過后現(xiàn)象，無漏涂、氣泡、剝落、裂紋、麻點、夾雜物等缺陷。江蘇全自動達克羅涂覆機各種復(fù)雜的零件，達克羅都有****的擴散性，這是電鍍鋅所很難實現(xiàn)。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="宜興標準件達克羅,達克羅" src="https://tyunfile.71360.com/UploadFile/13915042526/637333457445234375/1084208.png"></div><p style="text-indent:25px">對于達克羅的生產(chǎn)工藝，我們必須熟悉，現(xiàn)在有專門的涂料清洗設(shè)備對達克羅的加工，這項技術(shù)已經(jīng)在我們的生活中發(fā)揮了重要的作用。在達克羅加工過程中，使用達克羅涂料的優(yōu)越性。一方面，金屬的外層往往需要涂層來保護其未來的穩(wěn)定使用。鍍鋅等方法會在金屬保護層中起一定的作用一段時間，但經(jīng)過長時間的使用，無論是鐵基還是鋁基，都會發(fā)生電化學(xué)反應(yīng)，較大降低其耐腐蝕性。達克羅涂層是基于鉻酸鈍化和對有鱗鋅層的受控**保護，不產(chǎn)生任何電化學(xué)腐蝕，因此相對控制了鋅的消耗，也控制了鋁的腐蝕。</p><p style="text-indent:25px">達克羅技術(shù)在國內(nèi)的發(fā)展與研究已經(jīng)比較深入與普遍，但至今還不完善，主要是缺乏系統(tǒng)性研究，就涂層的固化過程都有哪些比較直觀物理化學(xué)反應(yīng)還沒有文獻可查。經(jīng)過預(yù)熱蒸發(fā)水份后的達克羅涂膜，其中的水份已經(jīng)被蒸發(fā)，剩余的物質(zhì)主要是Zn、Al、6價鉻離子、氧化鋅和鉻酸鋅、硼酸及其與鉻離子和鉻酸離子的化合物、醇類和少量表面活性劑等有機物質(zhì)，這些復(fù)雜的混合物很難用化學(xué)表達式進行表述。如果只將聚乙二醇放在載玻片進行加熱，5min內(nèi)樣品開始冒煙，20min后取出觀察，看到玻璃片上仍然有少量變色的液體。將混合B劑的混合液（不加金屬片粉）進行加熱，5min內(nèi)開始冒煙，20min后冷卻到室溫觀察，涂膜呈現(xiàn)淡綠色，光學(xué)顯微鏡下涂膜呈透明淡綠色。此時的涂膜已經(jīng)比較堅硬，可以呈受一般的機械沖擊，但能夠用氨水溶解掉，用水也可以沖洗下去。達克羅的不同的表面處理工藝會產(chǎn)生不同的摩擦系數(shù)，摩擦系數(shù)較高時，螺栓的防松性能相對較好。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="宜興標準件達克羅,達克羅" src="https://tyunfile.71360.com/UploadFile/13915042526/637333457712724609/3077365.png"></div><p style="text-indent:25px">達克羅涂層具有高的耐腐蝕性，高的耐候性，非常適合這類汽車零部件的表面處理。載重汽車上各種形狀復(fù)雜的管類、腔類零部件的防腐，如發(fā)動機的排氣管、消聲器等。如果這類零件采用電鍍處理，由于此類零件形狀復(fù)雜和電鍍工藝的局限性，形成的鍍層不均勻，甚至可能會發(fā)生漏鍍，會使制件抗腐蝕能力急劇下降，直接影響汽車零件的性能和使用壽命。而達克羅工藝采用浸漬等方式，不存在電鍍過程中均涂能力和深度能力不好的問題，而且達克羅處理液具有優(yōu)良的的滲透能力，在緊密接觸的縫隙中也能形成良好的防護膜，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行達克羅處理。達克羅涂層技術(shù)遠離酸、堿（鍍液），避免了腐蝕問題。宜興標準件達克羅</p><p style="text-indent:25px">達克羅發(fā)生化學(xué)反應(yīng)生成致密的鈍化膜。宜興標準件達克羅</p><p style="text-indent:25px">達克羅涂復(fù)表面對油漆、涂料的附著力強，可以在達克羅涂復(fù)面進行再涂裝，形成各種各樣的色彩。使用達克羅的必然性、必要性和效益分析：由于電鍍不僅對大氣、土地、水源造成嚴重污染，對操作工人也危害很大。國家已三令五申盡快，需要出臺新的綠色產(chǎn)業(yè)來取而代之。所以電鍍行業(yè)的消失是必然結(jié)果，而電鍍件轉(zhuǎn)用達克羅也是必然的，達克羅生產(chǎn)過程中，沒有任何污染，是國家鼓勵發(fā)展的真正的綠色工業(yè)。各種金屬表面涂層使用達克羅技術(shù)，也是必要的。一是因為原電鍍件防蝕性差，易生銹。宜興標準件達克羅</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/2916713.html</p></div></div></div></div></div><div id="baxprbn" class="page-right twoColRt"><div 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