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clearfix"><div id="k3bs84z" class="twoCol"><div id="shzw2gs" class="page-proshow clearfix"><p class="current"> 當(dāng)前位置:<a href="http://www.cdcfah.com/">首頁(yè)?<a href="http://www.cdcfah.com/cp/">產(chǎn)品供應(yīng)</a>?<a href="http://www.cdcfah.com/cp/first-_yjkc/">冶金礦產(chǎn)</a>?<a href="http://www.cdcfah.com/cp/second-yjkc_ysjshj/">有色金屬合金</a>?<a href="http://www.cdcfah.com/cp/third-ysjshj_niehejin/">鎳合金</a>?常州鋅鎳合金掛鍍企業(yè) 客戶至上上海弘夏電鍍供應(yīng)</p><div id="bv7a3b7" class="leftbox clearfix"><h1>常州鋅鎳合金掛鍍企業(yè) 客戶至上上海弘夏電鍍供應(yīng)</h1><div id="7rdqnk8" class="proBig"><div id="dnkmt7g" class="bigimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/shhxdd/637339477014921875/8154120.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="hwogyco" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/shhxdd/637339477014921875/8154120.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="2pwtaht" 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>上海市</p><p><span>包裝要求：</span><span style="color: #f30;"></span></p><p><span>產(chǎn)品關(guān)鍵詞：</span>常州鋅鎳合金掛鍍企業(yè),電鍍鋅鎳合金</p><p><span>***更新：</span>2021-01-03 06:14:23</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="pzwovse" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">上海弘夏電鍍有限公司銷售</a></p><p><span>聯(lián)系人：</span>施經(jīng)理</p><p><span>郵箱: </span>www.platessy@163.com</p><p><span>電話: </span>15221395693</p><p><span>傳真: </span>021_</p><p><span>網(wǎng)址: </span>http://shhxdd.shop.88360.com</p><p><span>手機(jī): </span>021-58088779</p><p><span>地址: </span>大團(tuán)鎮(zhèn)大泥公路139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="zevsk2k" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="88colnu" class="box"><p><p style="text-indent:25px">影響電鍍鋅鎳合金質(zhì)量的外因素：工藝條件控制因素。工藝條件的控制直接影響著電鍍層的質(zhì)量。只有掌握和控制好每個(gè)鍍種的各工藝條件，才能獲得優(yōu)良鍍層。溫度、電流密度，常州鋅鎳合金掛鍍企業(yè)、pH值、電鍍時(shí)間等工藝條件必須相匹配。如在鍍硬鉻時(shí)，溫度和電流密度配合不當(dāng)，對(duì)鍍鉻溶液的陰極電流效率、分散能力，常州鋅鎳合金掛鍍企業(yè)、鍍層硬度和光亮度都有很大的影響，常州鋅鎳合金掛鍍企業(yè)。當(dāng)溫度較高時(shí)，需適當(dāng)增加電流密度，才可以獲得所需的鍍層。二者互相制約，改變其一，另一因素必須跟著變化。因此對(duì)工藝條件控制不好，就會(huì)發(fā)生電鍍質(zhì)量事故。為了進(jìn)一步提高合金鍍層的耐蝕性，一般還需要鍍后處理。常州鋅鎳合金掛鍍企業(yè)</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="常州鋅鎳合金掛鍍企業(yè),電鍍鋅鎳合金" src="https://tyunfile.71360.com/UploadFile/shhxdd/637339477014921875/8154120.png"></div><p style="text-indent:25px">電鍍鋅與熱鍍鋅的區(qū)別:1、熱鍍鋅作為金屬防腐方式，它通常是將要進(jìn)行除銹處理的鋼結(jié)構(gòu)放入500℃左右的鋅液中，讓鋅層在鋼結(jié)構(gòu)表面附著。冷鍍鋅則通過電解作用讓金屬等材料表面附著一層金屬膜，使得材料表層質(zhì)地均勻、防腐耐磨、外觀更為美觀。2、熱鍍鋅的鍍層較厚，一般為30-60微米，鍍層防腐能力較高。適合于戶外工作的鋼鐵制件，如高速公路圍欄、電力鐵塔、大尺寸緊固件等較為“粗糙”的工件的長(zhǎng)期防銹。冷鍍鋅，工件表面光滑平整，但是因?yàn)殄儗颖容^薄，一般在5-30微米以內(nèi)，所以防腐蝕的時(shí)間會(huì)比較短。都用在室內(nèi)使用制件的防銹，如機(jī)殼底、面板，小規(guī)格緊固件等。金山區(qū)鋅鎳電鍍加工中心鍍液指標(biāo)是電鍍工藝的主要指標(biāo)。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="常州鋅鎳合金掛鍍企業(yè),電鍍鋅鎳合金" src="https://tyunfile.71360.com/UploadFile/shhxdd/637339477004326172/4417783.png"></div><p style="text-indent:25px">當(dāng)鋅鎳合金鍍層中含鎳量為8%~15%(較佳值13%)時(shí),其耐蝕性能優(yōu)良,約為同等厚度下鍍鋅層的3倍~5倍;而且含鎳量15%以下的鋅鎳合金鍍層還可以鈍化,鈍化后耐蝕性得到一定的增強(qiáng);鋅鎳合金鍍層基本無氫脆,可焊性和延展性也較好。所以,鋅鎳合金鍍層是一種適合緊固件的成熟、合理的防護(hù)層。通過相關(guān)工藝試驗(yàn),著重對(duì)鋅鎳合金鍍層性能進(jìn)行了分析研究。相比鋅鍍層而言,鋅鎳合金鍍層的耐蝕性能更加優(yōu)異。研究表明,當(dāng)鋅鎳合金鍍層發(fā)生腐蝕時(shí),鎳的存在導(dǎo)致其腐蝕產(chǎn)物為ZnCl2?4Zn(OH)2,該產(chǎn)物均勻致密地覆蓋在表面上,且不易導(dǎo)電,故對(duì)鍍層有保護(hù)作用;而且,鎳對(duì)陰極過程有阻抑的作用,這也有利于耐蝕性的提高。然而,鋅鍍層的腐蝕產(chǎn)物主要是疏松、無保護(hù)性的半導(dǎo)體ZnO。這些原因合理解釋了試驗(yàn)結(jié)果。</p><p style="text-indent:25px">堿性Zn-Ni合金電鍍液中，添加劑不僅能夠影響電流效率，改善分散能力，還能拓寬光亮區(qū)，增加陰極極化，獲得更均勻細(xì)致光亮的鍍層，可供選用的添加劑有:①胺類與環(huán)氧類化合物的縮合物:②芳香醛類;③有機(jī)胺類;④有機(jī)胺類與鹵烷烴的聚合物:⑤含氮雜環(huán)的添加劑:⑥無機(jī)光亮劑等。一般直接使用胺類與環(huán)氧的縮合加.上聚胺如聚乙烯亞胺)，或芳族吡啶衍生物和炔類化合物的復(fù)配。堿性Zn-Ni合金電鍍所使用的陽(yáng)極可分為不溶性陽(yáng)極和可溶性陽(yáng)極。1)一般采用的不溶性陽(yáng)極主要有:不銹鋼板、鎳板、鈦板、銥鉭陽(yáng)極、釕銥陽(yáng)極等。2)一般采用的可溶性陽(yáng)極主要有:鋅陽(yáng)極，但它存在著置換出鍍液中的鎳離子這一問題，而Zn-Ni合金陽(yáng)極存在著鑄造困難，所以一般不使用。電鍍鋅鎳合金的外觀是灰白色到銀白色，與鋅層一樣，都是陽(yáng)極的鍍層。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="常州鋅鎳合金掛鍍企業(yè),電鍍鋅鎳合金" src="https://tyunfile.71360.com/UploadFile/shhxdd/637339476726601563/4372690.png"></div><p style="text-indent:25px">電鍍加工的目的是什么？電鍍是指利用電解原理使金屬表面鍍上一層其他金屬薄膜，電鍍的應(yīng)用非常普遍，主要應(yīng)用于：首飾行業(yè)、工業(yè)產(chǎn)品、機(jī)械配件、部件、零件、線管等方面。常見電鍍金、電鍍銀這兩種電鍍工藝相差不大，都普遍應(yīng)用于首飾和工業(yè)方面。電鍍的作用是什么？（1）鍍金：改善導(dǎo)電接觸阻抗，增進(jìn)信號(hào)傳輸。（2）鍍鈀鎳：改善導(dǎo)電接觸阻抗，增進(jìn)信號(hào)傳輸，耐磨性高于金。（3）鍍銅：打底用，增進(jìn)電鍍層附著能力，及抗蝕能力。（銅容易氧化，深圳電鍍金氧化后，銅綠不再導(dǎo)電，所以鍍銅產(chǎn)品一定要做銅保護(hù)）（4）鍍鎳：打底用或做外觀，增進(jìn)抗蝕能力及耐磨能力，(其中化學(xué)鎳為現(xiàn)代工藝中耐磨能力超過鍍鉻)。（注意，許多電子產(chǎn)品，比如DIN頭，N頭，已經(jīng)不再使用鎳打底，主要是由于鎳有磁性，會(huì)影響到電性能里面的無源互調(diào)）（5）鍍錫鉛：增進(jìn)焊接能力，快被其他替物取代(因含鉛現(xiàn)大部分改為鍍亮錫及霧錫)。（6）鍍銀：改善導(dǎo)電接觸阻抗，增進(jìn)信號(hào)傳輸。(銀性能很好，容易氧化，氧化后也導(dǎo)電)。電鍍鋅鎳合金的鋅鎳合金鍍層是以鋅作為主體的。合金鍍鎳大概多少錢</p><p style="text-indent:25px">鋅含量的影響鋅含量太高，光亮范圍窄，容易獲得厚的鍍層，鍍層中鐵含量降低。常州鋅鎳合金掛鍍企業(yè)</p><p style="text-indent:25px">鑄鐵件電鍍雖然難度較大，工藝相對(duì)復(fù)雜，但通過采用自動(dòng)化的控制設(shè)備，加強(qiáng)每道工藝的過程控制，便可實(shí)現(xiàn)穩(wěn)定的批量化生產(chǎn)。近年來隨著汽車工業(yè)的發(fā)展，酸性鋅鎳合金大規(guī)模地應(yīng)用于汽車制動(dòng)鉗，出現(xiàn)了一些自動(dòng)化程度較高的鋅鎳合金電鍍線。酸性電鍍鋅鎳合金工藝經(jīng)過多次的試用與改善，鍍層中鎳含量能穩(wěn)定在11-15%，經(jīng)過彩色鈍化、藍(lán)色鈍化、黑色鈍化、本色鈍化后耐腐蝕性能提高，中性鹽霧測(cè)試出白銹時(shí)間可在250個(gè)小時(shí)以上，電流效率高時(shí)，分散能力好，完全可以滿足鑄鐵件電鍍生產(chǎn)要求。常州鋅鎳合金掛鍍企業(yè)</p><p style="text-indent:25px">上海弘夏電鍍有限公司位于大團(tuán)鎮(zhèn)大泥公路139號(hào)。上海弘夏電鍍致力于為客戶提供良好的電鍍鋅鎳合金，電鍍鎳，電鍍錫，電鍍銀，一切以用戶需求為中心，深受廣大客戶的歡迎。公司注重以質(zhì)量為中心，以服務(wù)為理念，秉持誠(chéng)信為本的理念，打造機(jī)械及行業(yè)設(shè)備良好品牌。上海弘夏電鍍憑借創(chuàng)新的產(chǎn)品、專業(yè)的服務(wù)、眾多的成功案例積累起來的聲譽(yù)和口碑，讓企業(yè)發(fā)展再上新高。</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/2683421.html</p></div></div></div></div></div><div id="qkroqry" class="page-right twoColRt"><div id="lvnf3wq" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="j2t8lub" class="recomPic likePro"><a 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