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href="http://www.cdcfah.com/zh/"><span>展會(huì)信息</span></a></li></ul></div></nav><section class="wrap clearfix"><section class="container clearfix tcPro"><section class="home-main container clearfix"><div id="ishyfhj" class="twoCol"><div id="uifxp8e" 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/second-_wjgj/">五金、工具</a>?<a href="http://www.cdcfah.com/cp/third-wjgj_wjgjxmhz/">五金工具項(xiàng)目合作</a>?南京檢測(cè)儀外殼鍍銀廠家惠州市微納科技供應(yīng)</p><div id="jhe2iax" class="leftbox clearfix"><h1>南京檢測(cè)儀外殼鍍銀廠家惠州市微納科技供應(yīng)</h1><div id="mas9czv" class="proBig"><div id="uuc9sel" class="bigimg"><div><p class="pic"><img src="http://tyunfile.71360.com/UpLoadFile/2019/8/30/15/637027771353417715_hzwnkj_4532960.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="ot32rn3" class="smallimg"><div><p class="pic"><img src="http://tyunfile.71360.com/UpLoadFile/2019/8/30/15/637027771353417715_hzwnkj_4532960.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="a8whiwd" 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>廣東省</p><p><span>包裝要求：</span><span style="color: #f30;"></span></p><p><span>產(chǎn)品關(guān)鍵詞：</span>南京檢測(cè)儀外殼鍍銀廠家,鍍銀</p><p><span>***更新：</span>2020-07-06 06:15:26</p><p><span id="click" >瀏覽次數(shù)：3次</span></p><a rel="nofollow" class="button">聯(lián)系我們</a></div></div><div id="78zrjgn" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">惠州市微納科技有限公司</a></p><p><span>聯(lián)系人：</span>李先生</p><p><span>郵箱: </span>lijn@vacano.com</p><p><span>電話: </span>13421322633</p><p><span>傳真: </span>0752_6531566</p><p><span>網(wǎng)址: </span></p><p><span>手機(jī): </span>0752-6531558</p><p><span>地址: </span>廣東惠東縣大嶺鎮(zhèn)產(chǎn)業(yè)轉(zhuǎn)移園華源軒大道遠(yuǎn)銘揚(yáng)工業(yè)</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="dtifrtv" class="page-proshow02"><p class="title">詳細(xì)說(shuō)明</p><div id="oxzt3dd" class="box"><p><p style="text-indent:25px">鍍銀工藝可以分為滾鍍銀和掛鍍銀。以滾鍍銀使用的滾鍍方式為，影響該工藝的因素包括有轉(zhuǎn)速印象、滾桶眼孔徑影響、鍍液成分影響和電流強(qiáng)度影響。滾鍍的轉(zhuǎn)速影響，轉(zhuǎn)速低的時(shí)候鍍層厚度變化大，分散能力也不太理想，但是達(dá)到一個(gè)額定值后，繼續(xù)增加轉(zhuǎn)速則會(huì)造成跟轉(zhuǎn)速低一樣的情況。滾桶眼孔徑是方便鍍液流動(dòng)，孔徑的大小是影響鍍液的流動(dòng)和電流通過(guò)的。鍍液成分對(duì)滾鍍鍍層的厚度和分散能力也是有比較大的影響的，南京檢測(cè)儀外殼鍍銀廠家。電流強(qiáng)度的增加，南京檢測(cè)儀外殼鍍銀廠家，鍍層厚度的變化幅度增大，鍍層的均勻性下降，南京檢測(cè)儀外殼鍍銀廠家。在無(wú)氰電鍍方面，鍍鋅和鍍銅均已獲得工業(yè)性生產(chǎn)的成效，但鍍銀的差{距則較大。南京檢測(cè)儀外殼鍍銀廠家</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="南京檢測(cè)儀外殼鍍銀廠家,鍍銀" src="http://tyunfile.71360.com/UpLoadFile/2019/8/30/15/637027771353417715_hzwnkj_4532960.jpg"></div><p style="text-indent:25px">鍍銀工藝蕞早出現(xiàn)在十九世紀(jì)元年，蕞早的鍍銀**是英國(guó)伯明翰兩兄弟與1838年提出申請(qǐng)的，當(dāng)時(shí)電鍍銀使用的電鍍液是呈堿性的**物鍍液。到現(xiàn)在為止，鍍銀液的配方和早期的配方基本上沒(méi)有太大的區(qū)別，***的區(qū)別可能在于提高了銀配位離子濃度從而達(dá)到快速鍍銀的目的罷了。近些年來(lái)，快速發(fā)展的額電子元器件都選擇性鍍銀，比如引線框架的選擇性鍍銀，并采用噴射鍍的方法進(jìn)行鍍銀。電鍍銀所用的電流密度高達(dá)300~3000A/dm，鍍液中**銀鉀[KAg(CN)2]的濃度高達(dá)40~75g/L，陽(yáng)極采用白金或鍍鉑的鈦陽(yáng)極。南京檢測(cè)儀外殼鍍銀廠家預(yù)鍍液一般分為兩類，其標(biāo)準(zhǔn)的組成如下：鋼鐵等基材上的預(yù)鍍銀；銅基材上的預(yù)鍍銀。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="南京檢測(cè)儀外殼鍍銀廠家,鍍銀" src="http://tyunfile.71360.com/UpLoadFile/2019/12/20/16/637124555983893360_hzwnkj_9453693.jpg"></div><p style="text-indent:25px">鍍銀過(guò)程并非一次性完成的，會(huì)先經(jīng)過(guò)預(yù)鍍銀工序，預(yù)鍍銀能防止工件直接進(jìn)如銀槽銅與銀一字置換以及銀層結(jié)合力。預(yù)鍍銀的原理是鍍液中采用低主鹽高絡(luò)合物組成，不僅能有效降低置換反反應(yīng)的速度，而且能讓鍍液有較高的絡(luò)合度從而提高陰極化，讓鍍層或者一層結(jié)晶致密且絡(luò)合度良好的過(guò)渡層。借助化學(xué)反應(yīng)原理，在電的作用下，銀離子會(huì)在工件上得到電子而生成銀單質(zhì)，從而沉積到工件表面上，而不溶性的陽(yáng)極只會(huì)做析氧返傭。鍍銀中使用的鍍液主要是由**銀鉀、**鉀配置而成的。</p><p style="text-indent:25px">國(guó)內(nèi)國(guó)外對(duì)于防止銀變色方法各有各的方法，但是總體來(lái)說(shuō)是八九不離十吧。國(guó)內(nèi)目前采用的主流方法有：化學(xué)鈍化、電化學(xué)鈍化、預(yù)鍍膜、脈沖電鍍、有機(jī)化合鈍化處理、電泳法和涂有機(jī)溶劑保護(hù)層等方法。我們拿化學(xué)鈍化和脈沖電鍍進(jìn)行對(duì)比說(shuō)明：化學(xué)鈍化采用重鉻酸鹽溶液處理，在表面形成氧化銀和鉻酸銀薄膜。鉻酸鹽鈍化成本低，操作簡(jiǎn)單，維護(hù)方便，但這種膜抗變色能力較差。脈沖電鍍采用間歇式供電，陰極電位隨時(shí)間作周期性變化，這樣可以提高陰極電流效率，減少***，增加銀層的密度。尤其是當(dāng)無(wú)氰鍍銀不再采用堿性和表面活性都很強(qiáng)的**鉀后，可以在更寬的范圍選用表面活性劑；</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="南京檢測(cè)儀外殼鍍銀廠家,鍍銀" src="http://tyunfile.71360.com/UpLoadFile/2019/8/30/15/637027771353730089_hzwnkj_2379527.jpg"></div><p> 鋁材鍍銀液屬于鋁材表面處理中的一種，鋁材表面化學(xué)轉(zhuǎn)化處理能為鋁材表面提供多種多樣的保護(hù)，通常采用的方法有陽(yáng)極氧化法、復(fù)合氧化法、稀土轉(zhuǎn)化膜法、微弧氧化法、有機(jī)硅烷化處理等等。以其中的陽(yáng)極氧化法和化學(xué)氧化法為例，鋁材使用陽(yáng)極氧化法是將鋁材作為陽(yáng)極，讓入***等電解液中，施加陽(yáng)極電壓進(jìn)行電解,讓鋁的表面形成一層致密的三氧化二鋁膜,此膜是由致密的阻礙層和柱狀結(jié)構(gòu)的多孔層組成的雙層結(jié)構(gòu)。鋁才化學(xué)氧化法是在相關(guān)的溫度條件下，借助化學(xué)反應(yīng)在加工件表面形成一層氧化膜的方法。擴(kuò)大了推薦工藝配方的空間，這將使無(wú)氰鍍銀的鍍液性能、鍍層質(zhì)量和鍍液管理都會(huì)有所提升。南京檢測(cè)儀外殼鍍銀廠家</p><p style="text-indent:25px">這里所說(shuō)的鍍銀前的處理不是通常意義上的鍍前處理。南京檢測(cè)儀外殼鍍銀廠家</p><p> 電鍍的鍍種包括有鍍銀、鍍銅、鍍鋅、鍍鎳等，不同的鍍種鍍液也是有區(qū)別的，但是從鍍液的主要成分上主要可以分為**物鍍液、鹽酸類鍍液、氯化物鍍液和硫|酸鹽鍍液四大類。采用**物鍍液此工藝電鍍產(chǎn)品質(zhì)量好，尤其是彩膜效果，經(jīng)過(guò)鈍化后色彩依舊能很好的保持。鹽酸類鍍液是在**物鍍液的基礎(chǔ)上發(fā)展而來(lái)的，采用這種鍍液其鍍層晶格結(jié)構(gòu)為柱狀，耐腐蝕性好。氯化物鍍液此工藝在電鍍行業(yè)應(yīng)用比較多，以鍍鋅為例鈍化后可以鋅代鉻(與鍍鉻相媲美）。硫|酸類鍍液此工藝適合于連續(xù)鍍(線材、帶材、簡(jiǎn)單、粗大型零、部件)，成本比較低技術(shù)成熟。南京檢測(cè)儀外殼鍍銀廠家</p><p style="text-indent:25px">惠州市微納科技有限公司注冊(cè)資金2000-3000萬(wàn)元，是一家擁有51~100人***員工的企業(yè)。公司業(yè)務(wù)分為[ "濺射鍍膜", "真空鍍膜", "濺射鍍膜", "外殼" ]等，目前不斷進(jìn)行創(chuàng)新和服務(wù)改進(jìn)，為客戶提供質(zhì)量的產(chǎn)品和服務(wù)。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，打造橡塑質(zhì)量品牌。截止當(dāng)前，我公司年?duì)I業(yè)額度達(dá)到50-100萬(wàn)元，爭(zhēng)取在一公分的領(lǐng)域里做出一公里的深度。</p></p><br /><p>文章來(lái)源地址: http://www.cdcfah.com/cp/510219.html</p></div></div></div></div></div><div id="aoqftza" class="page-right twoColRt"><div id="39u22tv" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="d3t9myv" 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" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></div><p>福建ZF配件哪家強(qiáng) 信息推薦自業(yè)物資供應(yīng)</p></a></div><div id="gacol3u" class="recomPic 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