常州專業(yè)鋅鎳來電咨詢上海弘夏電鍍供應(yīng)-b2b網(wǎng)站_b2b電子商務(wù)平臺(tái)【買產(chǎn)品】-上?？谄蚴称酚邢薰?/title><meta name="description" content="電金前工序-電鎳，在PCB生產(chǎn)中，電鎳一般是為下一步工序電金所做的鍍層，當(dāng)然也有單純鍍鎳。為什么要在電金前先鍍一層金屬鎳呢？這要視乎金屬活動(dòng)性而決定，經(jīng)此工序以保證產(chǎn)品的穩(wěn)定性。電鍍鎳常見故障現(xiàn)象及分析：1、鍍層有小孔、麻點(diǎn)與脫皮，鍍層有小"><meta name="keywords" content="常州專業(yè)鋅鎳,電鍍鋅鎳合金"><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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href="http://www.cdcfah.com/cp/third-ysjshj_niehejin/">鎳合金</a>?常州專業(yè)鋅鎳來電咨詢上海弘夏電鍍供應(yīng)</p><div id="zmdzqwc" class="leftbox clearfix"><h1>常州專業(yè)鋅鎳來電咨詢上海弘夏電鍍供應(yīng)</h1><div id="fdugcip" class="proBig"><div id="trievw7" class="bigimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/shhxdd/637339476822841797/7617865.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="spgnjfr" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/shhxdd/637339476822841797/7617865.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="fdeqhio" 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>常州專業(yè)鋅鎳,電鍍鋅鎳合金</p><p><span>***更新：</span>2021-02-03 09:16:20</p><p><span id="click" >瀏覽次數(shù)：2次</span></p><a rel="nofollow" class="button">聯(lián)系我們</a></div></div><div id="dgcy8de" 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="hplhi23" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="nvm838z" class="box"><p><p style="text-indent:25px">電金前工序-電鎳，在PCB生產(chǎn)中，電鎳一般是為下一步工序電金所做的鍍層，當(dāng)然也有單純鍍鎳。為什么要在電金前先鍍一層金屬鎳呢？這要視乎金屬活動(dòng)性而決定，經(jīng)此工序以保證產(chǎn)品的穩(wěn)定性。電鍍鎳常見故障現(xiàn)象及分析：1、鍍層有小孔、麻點(diǎn)與脫皮，鍍層有小孔、麻點(diǎn)與脫皮是電鍍中常見的故障，主要是由以下幾種原因造成的。(1)熱處理工藝不當(dāng)，在機(jī)械加工過程中，零部件表面粘附的防銹油脂、切削液、機(jī)械油、潤(rùn)滑油脂、磨削液、脫模劑等與塵埃、打磨粉塵混粘在一起，常州專業(yè)鋅鎳，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(shí)氣泡附著其上使鍍層形成氣體滯留型小孔，常州專業(yè)鋅鎳，常州專業(yè)鋅鎳。電鍍鋅就是利用電解，在制件表面形成均勻、致密、結(jié)合良好的金屬或合金沉積層的過程！常州專業(yè)鋅鎳</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="常州專業(yè)鋅鎳,電鍍鋅鎳合金" src="https://tyunfile.71360.com/UploadFile/shhxdd/637339476822841797/7617865.png"></div><p style="text-indent:25px">鍍鋅常見故障：除油不凈：（1）前處理溶液溫度過低，加溫至工藝要求范圍。（2）超聲波功率小或電解電流小，應(yīng)調(diào)整至工藝范圍內(nèi)。（3）前處理溶液老化，應(yīng)按照要求進(jìn)行添加及更換。（4）制件油污太重，按照正常工藝不能將油除干凈。(應(yīng)該減少用油量或者使用合格的防銹油)在上掛以前采用手工擦拭的方法除去絕大多數(shù)的油污。（5）前處理溶液表面漂浮油污太多，以致工件在提出溶液時(shí)又粘附上油污。應(yīng)清理溶液表面的油污。（6）除銹槽及其后的水洗槽被油污染，應(yīng)進(jìn)行掃除。（7）鍍鋅后的清洗槽或出光及出光后的水洗槽被油污染，應(yīng)進(jìn)行掃除。（8）在除油槽內(nèi)導(dǎo)電不好或不導(dǎo)電，應(yīng)檢查掛具、銅排、飛靶三角、圓寶座、整流器是否導(dǎo)電良好，必要時(shí)進(jìn)行清理或者維修。?鋅鎳企業(yè)在電鍍鎳中小孔的產(chǎn)生是由于在陰極概況留有氣泡，造成絕緣。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="常州專業(yè)鋅鎳,電鍍鋅鎳合金" src="https://tyunfile.71360.com/UploadFile/shhxdd/637339477029921875/3508864.png"></div><p style="text-indent:25px">堿性鋅鎳合金電鍍應(yīng)用于滾鍍時(shí)，需根據(jù)滾鍍的特點(diǎn)來要求工藝特征：1.工藝深鍍能力好。據(jù)了解，市場(chǎng)上鍍層鎳含量在10%以上的多數(shù)添加劑供應(yīng)商提供的工藝深鍍能力都適合滾鍍要求。2.電流效率又高又好。堿性鋅鎳合金鍍層在堿性下存在溶解現(xiàn)象，如果電流效率過低，特別是小電流區(qū)，可能存在鍍不上鍍層，滾鍍本身特點(diǎn)決定了鍍層上鍍慢，化時(shí)多，如果電流效率過低，鍍出一槽活來，更需耐心?，F(xiàn)在市場(chǎng)上很多堿性鋅鎳合金電鍍工藝效率在35%左右，鍍8微米厚，需4-5小時(shí)是很正常的。市場(chǎng)上也有效率在75%左右的高效堿性鋅鎳合金工藝，可以節(jié)時(shí)一半以上。3.堿性鋅鎳合金工藝，電鍍溫度要求在35度以下，所以需有冷凍設(shè)備。4.添加劑選擇，現(xiàn)在市場(chǎng)上很多公司鋅鎳合金工藝在電鍍時(shí)需同時(shí)添加5、6種添加劑，對(duì)初使用者，添加和維護(hù)帶來很大的不便。添加種類越少，各種添加劑功能越明確越好。</p><p style="text-indent:25px">鍍鋅鎳合金用于增加導(dǎo)電率、反光性和美觀。在各種制造工業(yè)中都有著較多的應(yīng)用。鍍鋅鎳合金層很容易拋光，有很強(qiáng)的反光能力和良好的導(dǎo)熱、導(dǎo)電、焊接性能。銀鍍層較早應(yīng)用于裝飾。在電子工業(yè)、通訊設(shè)備和儀器儀表制造業(yè)中，普遍采用鍍鋅鎳合金以減少金屬零件表面的接觸電阻，提高金屬的焊接能力。此外，探照燈及其他反射器中的金屬反光鏡也需鍍鋅鎳合金。由于銀原子容易擴(kuò)散和沿材料表面滑移，在潮濕大氣中易產(chǎn)生“銀須”造成短路，故銀鍍層不宜在印刷電路板中使用。電鍍鋅鎳合金含鎳質(zhì)量分?jǐn)?shù)7％～9％的鋅鎳合金耐蝕性是鍍鋅的3倍以上。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="常州專業(yè)鋅鎳,電鍍鋅鎳合金" src="https://tyunfile.71360.com/UploadFile/shhxdd/637339476726601563/4372690.png"></div><p style="text-indent:25px">電鍍鋅鐵磷三元合金的鍍液配方及工藝是什么？鋅鐵磷三元合金鍍層含有0.1%~30%的鐵，0.001%~1.5%的磷。該鍍層具有良好的可焊性和耐蝕性，由于磷的存在使鍍層抗局部腐蝕和點(diǎn)蝕的能力也有所改善。純銅鍍鉻,鍍鎳的質(zhì)量標(biāo)準(zhǔn)？厚度，密度，等等的要求是什么？有分等級(jí)嗎？如何分法？怎樣比。電鍍工藝技術(shù)簡(jiǎn)介：新推出的技術(shù).該技術(shù)系統(tǒng)新的技術(shù)資料，該資料實(shí)用性強(qiáng)，每個(gè)技術(shù)都包含了詳細(xì)的工藝原理，制作方法，配方實(shí)例及應(yīng)用場(chǎng)所，是一本不可多得的科研，生產(chǎn)，學(xué)習(xí)的大規(guī)模技術(shù)匯編。以下全部技術(shù)。包括全部技術(shù)資料，每項(xiàng)技術(shù)資料均為正式全文說明書，含技術(shù)配方、加工工藝、質(zhì)量標(biāo)準(zhǔn)等；同時(shí)包括發(fā)明人、權(quán)利要求書、說明書和附圖等。電鍍鋅鎳合金的發(fā)展方向要在品質(zhì)至上的前提下，參照環(huán)保問題日益突出和受到重視的當(dāng)今社會(huì)現(xiàn)狀。金山區(qū)鍍鋅合金表面處理找哪家</p><p style="text-indent:25px">鋅是相對(duì)便宜而又易鍍覆的一種金屬。常州專業(yè)鋅鎳</p><p style="text-indent:25px">鍍鋅鎳合金-局部電鍍方法：蠟劑保護(hù)法。用蠟制劑絕緣的特點(diǎn)是，與零件的粘接性能好，使用溫度范圍寬，絕緣層的端邊不會(huì)翹起，因此，適用于對(duì)絕緣端邊尺寸公差要求高、形狀較復(fù)雜的零件。此外，蠟制劑也可重復(fù)使用，損耗小，但其使用方法比較復(fù)雜，周期較長(zhǎng)。涂覆蠟制劑時(shí)，零件應(yīng)預(yù)熱到50～70℃，再涂覆熔化了的蠟制劑，先涂一薄層，覆蓋整個(gè)需絕緣的表面，這時(shí)蠟不應(yīng)中途凝固，然后再反復(fù)涂至所需厚度。涂覆后在尚未冷卻到室溫之前的溫?zé)釥顟B(tài)下，用小刀對(duì)絕緣端邊進(jìn)行修整，再用棉球沾汽油反復(fù)擦拭欲鍍表面，該操作要十分仔細(xì)。鍍后可在熱水或**蠟桶內(nèi)將蠟制劑熔化回收，然后用汽油等溶劑或水溶性清洗劑對(duì)零件進(jìn)行清洗。常州專業(yè)鋅鎳</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/3141818.html</p></div></div></div></div></div><div id="uxyzl8u" class="page-right twoColRt"><div id="adua7h3" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="qevhigc" 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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