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clearfix"><h1>南京專業(yè)電鍍液壓閥塊鋅鎳合金滾鍍歡迎咨詢上海弘夏電鍍供應(yīng)</h1><div id="vpqktub" class="proBig"><div id="mp3ypgx" class="bigimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/shhxdd/637339477066816406/187249.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="vtulxok" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/shhxdd/637339477066816406/187249.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="oc7jarx" 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>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>南京專業(yè)電鍍液壓閥塊鋅鎳合金滾鍍,電鍍鋅鎳合金</p><p><span>***更新：</span>2021-02-04 07:14:30</p><p><span id="click" >瀏覽次數(shù)：5次</span></p><a rel="nofollow" class="button">聯(lián)系我們</a></div></div><div id="qypgx8l" 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: </span>021-58088779</p><p><span>地址: </span>大團鎮(zhèn)大泥公路139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="zmx3h2c" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="u8g2du2" class="box"><p><p style="text-indent:25px">鋅鎳合金電鍍在我國迅速發(fā)展普及還是近幾年的事，但發(fā)展的只是堿性鋅鎳合金電鍍，酸性鋅鎳合金電鍍卻并未得到相應(yīng)發(fā)展。如前所述，南京專業(yè)電鍍液壓閥塊鋅鎳合金滾鍍，酸性鋅鎳合金電鍍與堿性鋅鎳合金電鍍的工藝特點與酸性鍍鋅與堿性鍍鋅的特點類似，工藝的選擇均取決于工件的形狀(除某些鋼種外)，有的適用堿性工藝，有的適用酸性工藝，因此，按理鋅鎳合金電鍍兩種工藝的使用比例應(yīng)與酸性鍍鋅與堿性鍍鋅的比例大致接近，而不應(yīng)有懸殊的差別。據(jù)知，南京專業(yè)電鍍液壓閥塊鋅鎳合金滾鍍，南京專業(yè)電鍍液壓閥塊鋅鎳合金滾鍍，我國酸性鍍鋅占電鍍鋅總量的50%以上，堿性鍍鋅約占40%左右，而酸性鋅鎳合金電鍍雖未見全國統(tǒng)計數(shù)據(jù)但據(jù)筆者估計不會超過10%。酸性鋅鎳合金電鍍所占比例如此之低的原因就在于大量本應(yīng)采用酸性鋅鎳合金電鍍的工件目前普遍采用了堿性鋅鎳合金電鍍工藝。鋅鎳合金鍍層的耐蝕性能更加優(yōu)異。南京專業(yè)電鍍液壓閥塊鋅鎳合金滾鍍</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="南京專業(yè)電鍍液壓閥塊鋅鎳合金滾鍍,電鍍鋅鎳合金" src="https://tyunfile.71360.com/UploadFile/shhxdd/637339477066816406/187249.png"></div><p style="text-indent:25px">電鍍鋅鎳合金的特點有：1.鍍層與基體間有足夠的結(jié)合力，以保證鍍層發(fā)揮其高耐蝕性。2.優(yōu)良的耐熱疲勞性能。在-60-250℃之間鍍層經(jīng)激冷激熱處理后，其耐蝕性無變化。3.可加工性與電鍍純鋅層相當(dāng)。鍍層經(jīng)變形加工后，仍具有優(yōu)于純鋅鍍層的耐蝕性。4.低氫脆性。鋅鎳合金鍍層氫脆率*為1.5%，而電鍍純鋅的脆化率一般均在40%以上，光亮鍍鎘層為18%左右。5.鋅鎳合金鍍層的硬度比純鋅高，因而具有更好的耐磨性。6.工藝操作簡便。電鍍鋅鎳合金的工藝流程及設(shè)備與電鍍純鋅一樣，不需增加特殊的裝備。工藝流程：鍍前驗收→除油→水洗→酸洗除銹→清洗→活化→水洗→電鍍鋅鎳合金→水洗→鈍化→水洗→干燥→分類包裝。寧波五金電鍍鋅鎳合金價錢電鍍鋅鎳合金液體系中存在離子對。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="南京專業(yè)電鍍液壓閥塊鋅鎳合金滾鍍,電鍍鋅鎳合金" src="https://tyunfile.71360.com/UploadFile/shhxdd/637339476914326172/9348988.png"></div><p style="text-indent:25px">電鍍鋅鎳合金鍍層有***、麻點與脫皮是電鍍中較常見的故障：***、麻點與脫皮電鍍鋅鎳合金鍍層有***、麻點與脫皮是電鍍中較常見的故障，熱處理工藝不當(dāng)：在機械加工過程中，零部件表面粘附的防銹油脂、切削液、機械油、潤滑油脂、磨削液、脫模劑等與塵埃、打磨粉塵混粘在一起，形成較厚的污垢。若熱處理前未將以上污垢除去，則其淬火燒結(jié)成頑固的固體油垢后除油除銹很難清洗干凈，施鍍時氣泡附著其上使鍍層形成氣體滯留型***；鍍前處理不良。</p><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，增進信號傳輸。（2）鍍鈀鎳：改善導(dǎo)電接觸阻抗，增進信號傳輸，耐磨性高于金。（3）鍍銅：打底用，增進電鍍層附著能力，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）（4）鍍鎳：打底用或做外觀，增進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，會影響到電性能里面的無源互調(diào)）（5）鍍錫鉛：增進焊接能力，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，增進信號傳輸。(銀性能很好，容易氧化，氧化后也導(dǎo)電)。電鍍鋅鎳合金含鎳量13％左右的鋅鎳合金是鍍鋅層的5倍以上。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="南京專業(yè)電鍍液壓閥塊鋅鎳合金滾鍍,電鍍鋅鎳合金" src="https://tyunfile.71360.com/UploadFile/shhxdd/637339476959169922/5401608.png"></div><p style="text-indent:25px">鋅鎳合金工藝自問世以來，因為它在防止腐蝕能力方面具有的無法比較的優(yōu)勢而受到電鍍業(yè)界普遍的關(guān)注，但是由于一些諸如陽極、鈍化等問題的存在，致使其不能得到普遍的應(yīng)用。在相當(dāng)長的一段時間里面，**在學(xué)術(shù)研究層次上進行。隨著科學(xué)的發(fā)展，很多問題的到解決，逐漸的在汽車、電子、航天航空以及特殊領(lǐng)域的到相繼的推廣和應(yīng)用。特別是近幾年來在汽車行業(yè)得到了蓬勃的發(fā)展。在國外較早在上世紀(jì)的80年代便得到了工業(yè)的應(yīng)用，在國內(nèi)則滯后很多，直到上世紀(jì)90年代才有相關(guān)的研究報道，真正能夠投入生產(chǎn)還是近幾年的事情，而且在應(yīng)用的過程中多多少少還是存在一些問題，現(xiàn)在看來鋅鎳合金工藝還是有待改進的，并沒有趨向于成熟，但是相信隨著科技的進步，鋅鎳合金在應(yīng)用方面遇到的問題肯定也可以很好的解決的，我們期待著鋅鎳合金工藝在很多的行業(yè)中可以得到實際的使用，這樣的話將會為生產(chǎn)帶來較大的好處。電鍍鋅生產(chǎn)工藝控制：工藝段控制參數(shù)及處理辦法鍍鋅技術(shù)門檻很低，但做好也比較難。蘇州鍍鋅鎳合金專業(yè)生產(chǎn)</p><p style="text-indent:25px">電鍍鋅鎳合金：隨著工業(yè)技術(shù)的發(fā)展，對防腐技術(shù)的要求越來越高。南京專業(yè)電鍍液壓閥塊鋅鎳合金滾鍍</p><p style="text-indent:25px">電鍍鋅鎳合金：鍍鋅，鋅易溶于酸，也能溶于堿，所以稱它為兩性金屬。而鋅在干燥的空氣中幾乎不發(fā)生變化。如果在潮濕的空氣中，鋅表面會生成致密的堿式碳酸鋅膜。在含二氧化硫、硫化氫以及海洋性氣氛中，鋅的耐蝕性較差的，尤其在高溫高濕含有機酸的氣氛里，鋅鍍層很可能會被腐蝕。鍍鋅是指在金屬、合金或者其它材料的表面鍍一層鋅以起美觀、防銹等作用的表面處理技術(shù)。我們主要采用的方法是熱鍍鋅。鍍鋅工藝的發(fā)展，高性能鍍鋅光亮劑的采用，鍍鋅已從單純的防護目的進入防護-裝飾性應(yīng)用。南京專業(yè)電鍍液壓閥塊鋅鎳合金滾鍍</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/3156432.html</p></div></div></div></div></div><div id="ktfw8qs" class="page-right twoColRt"><div id="n8833lx" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="sl2aghv" 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配件哪家強信息推薦自業(yè)物資供應(yīng)</p></a></div><div id="bjamsjf" class="recomPic likePro"><a href="http://www.cdcfah.com/cp/846569.html"><div><img 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