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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>昆山達(dá)克羅多少錢一噸,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="gjbtqsu" 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(hào)</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="bpwyfgx" class="page-proshow02"><p class="title">詳細(xì)說(shuō)明</p><div id="8ya8cbm" class="box"><p><p style="text-indent:25px">達(dá)克羅優(yōu)化了對(duì)鋁電化學(xué)元素腐蝕的防護(hù)機(jī)能：一般來(lái)說(shuō)，電極電位不同的兩種金屬或合金相接觸時(shí)，就會(huì)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(rùn)滑劑后的達(dá)克羅涂層，昆山達(dá)克羅多少錢一噸，經(jīng)適當(dāng)處理可以產(chǎn)生0.06—0.12系數(shù)的**摩擦性，昆山達(dá)克羅多少錢一噸，經(jīng)一般處理則產(chǎn)生0，昆山達(dá)克羅多少錢一噸.12—0.18系數(shù)的中等摩擦性。達(dá)克羅處理的一個(gè)特點(diǎn)是工件在前處理時(shí)不進(jìn)行酸洗。昆山達(dá)克羅多少錢一噸</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="昆山達(dá)克羅多少錢一噸,達(dá)克羅" src="https://tyunfile.71360.com/UploadFile/13915042526/637333457835185547/6132357.png"></div><p style="text-indent:25px">達(dá)克羅是一種新型的表面處理技術(shù)，與傳統(tǒng)的電鍍工藝相比，達(dá)克羅是一種"綠色電鍍"。其優(yōu)勢(shì)有以下幾點(diǎn):1.較強(qiáng)的耐蝕性能:達(dá)克羅膜層的厚度*為4-8μm，但其防銹效果卻是傳統(tǒng)電鍍鋅、熱鍍鋅或涂料涂覆法的7-10倍以上。采用達(dá)克羅工藝處理的標(biāo)準(zhǔn)件、管接件經(jīng)耐鹽霧試驗(yàn)1200h以上未出現(xiàn)紅銹。2.無(wú)氫脆性:達(dá)克羅的處理工藝決定了達(dá)克羅沒有氫脆現(xiàn)象，所以達(dá)克羅非常適合受力件的涂覆。3.高耐熱性:達(dá)克羅可以耐高溫腐蝕，耐熱溫度可達(dá)300℃以上。而傳統(tǒng)的鍍鋅工藝，溫度達(dá)到100℃時(shí)就已經(jīng)起皮報(bào)廢了。4.結(jié)合力及再涂性能好:達(dá)克羅涂層與金屬基體有良好的結(jié)合力，而且與其他附加涂層有強(qiáng)烈的粘著性，處理后的零件易于噴涂著色，與有機(jī)涂層的結(jié)合力甚至超過(guò)了磷化膜。達(dá)克羅涂層處理對(duì)彎角件進(jìn)行達(dá)克羅涂敷后點(diǎn)焊，顯示達(dá)克羅涂層有良好的點(diǎn)焊性能。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="昆山達(dá)克羅多少錢一噸,達(dá)克羅" src="https://tyunfile.71360.com/UploadFile/13915042526/637333457569833984/788425.png"></div><p style="text-indent:25px">達(dá)克羅的免清洗焊接技術(shù)是目前電子裝配行業(yè)普遍使用的一種實(shí)用技術(shù)，具有保護(hù)環(huán)境、簡(jiǎn)化工藝流程、節(jié)省制造成本的優(yōu)點(diǎn)。達(dá)克羅免清洗工藝是針對(duì)原先采用的傳統(tǒng)清洗工藝而言的，是建立在保證原有品質(zhì)要求的基礎(chǔ)上簡(jiǎn)化工藝流程的一種先進(jìn)技術(shù)，而不是簡(jiǎn)單的“不清洗”——只是針對(duì)某些低檔消費(fèi)品類產(chǎn)品在品質(zhì)可靠性方面要求不高的特點(diǎn)而采取的，雖然省卻了清洗環(huán)節(jié)，卻是建立在相對(duì)降低品質(zhì)基礎(chǔ)上的。達(dá)克羅采用先進(jìn)工藝技術(shù)替代原有清洗工藝勢(shì)在必行。</p><p style="text-indent:25px">達(dá)克羅的免清洗焊接技術(shù)包括免洗波峰焊技術(shù)和免洗回流焊技術(shù)。前者由傳統(tǒng)波峰焊接發(fā)展而來(lái)，通過(guò)對(duì)設(shè)備、材料等方面的變革達(dá)到免清洗效果，主要解決插裝元器件和固化后貼裝元器件的波峰焊接。而后者則是裝配中的重要工藝環(huán)節(jié)，通過(guò)材料選擇和工藝控制來(lái)達(dá)到免清洗效果，主要解決貼裝元器件的回流焊接。達(dá)克羅涂層發(fā)花原因有很多，其一是空氣潮濕，氣溫低，會(huì)導(dǎo)致在烘烤時(shí)涂料中的水跡揮發(fā)不全，從而形成發(fā)花；第二就是在烘烤時(shí)爐子的參數(shù)不對(duì)，烘烤出來(lái)的工件也會(huì)產(chǎn)***花現(xiàn)象。發(fā)花會(huì)影響外觀，同時(shí)對(duì)鹽霧性能也會(huì)產(chǎn)生一定的影響。達(dá)克羅涂液的X組份：由鋅片、鋁片及乙二醇等組成的。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="昆山達(dá)克羅多少錢一噸,達(dá)克羅" src="https://tyunfile.71360.com/UploadFile/13915042526/637333457687958984/8664291.png"></div><p style="text-indent:25px">達(dá)克羅涂層固化原理與節(jié)能的可能性：達(dá)克羅技術(shù)在國(guó)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(guò)程都有哪些比較直觀物理化學(xué)反應(yīng)還沒有文獻(xiàn)可查。目前只是通過(guò)簡(jiǎn)單的生物光學(xué)顯微鏡對(duì)載玻片上涂燒的樣品進(jìn)行觀察。結(jié)果與討論如下：室溫至120℃目前大多數(shù)企業(yè)的標(biāo)準(zhǔn)網(wǎng)帶爐加熱裝置是將預(yù)熱區(qū)的溫度控制在80~120℃。這段加熱的主要目的是將涂膜中的水份在不爆沸的條件下蒸發(fā)去除，同時(shí)肯定伴隨有6價(jià)鉻被醇還原的化學(xué)過(guò)程。對(duì)此判定的方法是由純的達(dá)克羅B劑（鉻酐水溶液）與聚乙二醇類還原劑按比例混合后，在載玻片上進(jìn)行涂燒，在120℃的條件下加熱15min，水份被蒸發(fā)掉，留下的物質(zhì)呈暗綠色的濕膜。如果將試片加熱到120min，涂膜的色澤變成亮綠色，涂膜變硬，但用水可以沖洗掉。很顯然，不可能采用120℃長(zhǎng)期加熱的措施來(lái)操作達(dá)克羅的一涂。達(dá)克羅涂覆保證無(wú)氫脆，適用于**度緊固件，國(guó)外已明確建議汽車緊固件使用達(dá)克羅涂層防腐。達(dá)克羅涂層處理</p><p style="text-indent:25px">達(dá)克羅不*要考慮結(jié)構(gòu)設(shè)計(jì)和制造工藝，還要注意到裝配的工藝性，甚至環(huán)保及經(jīng)濟(jì)性的要求。昆山達(dá)克羅多少錢一噸</p><p style="text-indent:25px">達(dá)克羅有良好的滲透性:由于靜電屏蔽效應(yīng)，工件的深孔、狹縫，管件的內(nèi)壁等部位難以電鍍上鋅，因此工件的上述部位無(wú)法采用電鍍的方法進(jìn)行保護(hù)。達(dá)克羅則可以進(jìn)入工件的這些部位形成達(dá)克羅涂層。無(wú)污染和公害:達(dá)克羅在生產(chǎn)加工及工件涂覆的整個(gè)過(guò)程中，不會(huì)產(chǎn)生對(duì)環(huán)境有污染的廢水廢氣，不用三廢治理，降低了處理成本。達(dá)克羅的燒結(jié)溫度較高、時(shí)間較長(zhǎng)，能耗大。達(dá)克羅的表面硬度不高、耐磨性不好，而且達(dá)克羅涂層的制品不適合與銅、鎂、鎳和不銹鋼的零部件接觸與連接，因?yàn)樗鼈儠?huì)產(chǎn)生接觸性腐蝕，影響制品表面質(zhì)量及防腐性能。昆山達(dá)克羅多少錢一噸</p></p><br /><p>文章來(lái)源地址: http://www.cdcfah.com/cp/1950840.html</p></div></div></div></div></div><div id="vevmye8" class="page-right twoColRt"><div id="rqmo2o2" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="lfrik3e" 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" 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