南京車載攝像頭外殼鍍銀惠州市微納科技供應-b2b網(wǎng)站_b2b電子商務平臺【買產(chǎn)品】-上?？谄蚴称酚邢薰?/title><meta name="description" content="國內(nèi)國外對于防止銀變色方法各有各的方法，但是總體來說是八九不離十吧。國內(nèi)目前采用的主流方法有：化學鈍化、電化學鈍化、預鍍膜、脈沖電鍍、有機化合鈍化處理、電泳法和涂有機溶劑保護層等方法。我們拿化學鈍化和脈沖電鍍進行對比說明：化學鈍化采用重鉻酸"><meta name="keywords" content="南京車載攝像頭外殼鍍銀,鍍銀"><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" content="no-transform" /> <meta http-equiv="Cache-Control" 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clearfix"><h1>南京車載攝像頭外殼鍍銀惠州市微納科技供應</h1><div id="btfho8v" class="proBig"><div id="3bdfhtx" class="bigimg"><div><p class="pic"><img src="http://tyunfile.71360.com/UpLoadFile/2019/8/30/15/637027771472344356_hzwnkj_9740047.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="nbif2t8" class="smallimg"><div><p class="pic"><img src="http://tyunfile.71360.com/UpLoadFile/2019/8/30/15/637027771472344356_hzwnkj_9740047.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="pne2vh7" 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>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>南京車載攝像頭外殼鍍銀,鍍銀</p><p><span>***更新：</span>2020-07-28 11:09:10</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="umewdp9" 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: </span>0752-6531558</p><p><span>地址: </span>廣東惠東縣大嶺鎮(zhèn)產(chǎn)業(yè)轉(zhuǎn)移園華源軒大道遠銘揚工業(yè)</p><p>[當前離線] <a rel="nofollow"> [加為商友] </a><a rel="nofollow"> [發(fā)送信件] </a></p></div></div><div id="onkcu2c" class="page-proshow02"><p class="title">詳細說明</p><div id="a7xegnm" class="box"><p><p style="text-indent:25px">國內(nèi)國外對于防止銀變色方法各有各的方法，但是總體來說是八九不離十吧。國內(nèi)目前采用的主流方法有：化學鈍化、電化學鈍化、預鍍膜、脈沖電鍍、有機化合鈍化處理、電泳法和涂有機溶劑保護層等方法。我們拿化學鈍化和脈沖電鍍進行對比說明：化學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，南京車載攝像頭外殼鍍銀，操作簡單，維護方便，但這種膜抗變色能力較差。脈沖電鍍采用間歇式供電，南京車載攝像頭外殼鍍銀，南京車載攝像頭外殼鍍銀，陰極電位隨時間作周期性變化，這樣可以提高陰極電流效率，減少***，增加銀層的密度。金屬銀粒對光敏感，因此是制作照相膠卷的重要原料。南京車載攝像頭外殼鍍銀</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="南京車載攝像頭外殼鍍銀,鍍銀" src="http://tyunfile.71360.com/UpLoadFile/2019/8/30/15/637027771472344356_hzwnkj_9740047.jpg"></div><p style="text-indent:25px">銀本身的性質(zhì)較為活潑，其在鍍液中的穩(wěn)定性能也是比較差的，容易引起鍍液分解。因為在元素周期里，銀是屬于貴金屬中的一員，它很難與其他的金屬形成合金鍍層.鍍銀用的鍍液也是比較有限的,大都數(shù)使用的都是含有**物的堿性溶液,**物大家都明白是什么物質(zhì)了.鍍銀的性能特點包括有:鍍層應呈銀白色,結(jié)晶細致平滑;與空氣接觸會逐漸氧化變色，遇硫會變黑;接觸電阻低，導電性能極好;導熱性能好;防粘結(jié)性強;易焊接;具有優(yōu)良的反光特性;表面光潔銀亮，膜層均勻。鍍液一定要謹慎保管處理。南京車載攝像頭外殼鍍銀改善鍍層質(zhì)量還有另一個途徑，就是采用脈沖電源進行電鍍。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="南京車載攝像頭外殼鍍銀,鍍銀" src="http://tyunfile.71360.com/UpLoadFile/2019/8/30/15/637027771352949154_hzwnkj_3055730.jpg"></div><p style="text-indent:25px">高壓局部鍍銀目前在許多工業(yè)生產(chǎn)中扮演中重要的角色，但是高壓局部鍍銀相比起普通鍍銀工藝需要更加專業(yè)的技術(shù)人員才能進行，普通人員若是沒有經(jīng)過訓練和實操是不建議操作的。部分零件局部鍍銀的常規(guī)處理方法通常是在不需要鍍銀的地方涂上保護漆和蠟，然后浸入鍍槽中對零件進行局部拋光，鍍銀后再涂上保護層去除蠟件?？蓾M足手工鍍銀的要求，但由于保護漆層厚度大，往往難以去除保護部分，且保護效果太薄。另外，根據(jù)除漆除蠟的不同方法，在去除過程中，由于零件根部的去除或機械的去除，容易損壞零件的底座，特別是精密零件的局部鍍銀難以實現(xiàn)。</p><p> 電鍍處理工序的后處理種類包括有除氫處理、鈍化保護處理。除氫處理對于電鍍后的產(chǎn)品來說是很重要的，這是因為鍍金屬離子在陰極上得到電子，氫離子也同樣會得到電子，生成原子態(tài)的氫，滲透到金屬鍍層內(nèi)部，使鍍層產(chǎn)生疏松，當放置一段時間后，原子態(tài)的氫會結(jié)合生成氫氣而體積膨脹，這樣就導致鍍層產(chǎn)生針眼孔、鼓泡甚至脫落等不良缺點。而所謂的鈍化處理則指的是在溶液中進行化學或電化學處理，使得鍍層上形成一層堅實致密的、穩(wěn)定性高的薄膜的表面處理方法，鈍化使鍍層的耐腐蝕性能進一步的提高并增加表面光澤和抗污染的能力。如果采用物理方法能夠改善鍍層性能，將是蕞好的辦法，這對于環(huán)境保護有十分重要的意義；</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="南京車載攝像頭外殼鍍銀,鍍銀" src="http://tyunfile.71360.com/UpLoadFile/2019/8/30/15/637027771353105341_hzwnkj_5743528.jpg"></div><p> 電鍍工藝中不僅前處理工作十分重要，后處理工作也是非常重要的，很多電鍍產(chǎn)品鍍膜中并沒有出現(xiàn)差錯，但是忽略了前處理和鍍膜后處理工序忽略而造成的。電鍍后處理的鍍層表面上不應該留有其他的鍍液，不要污染鍍層。裝飾性鍍層，經(jīng)鍍后處理后要保持原來的光澤與色彩，并且要能維持長久不脫色、變色，以滿足用戶的觀賞需要。防護性鍍層既要滿足防護性能的要求，也要保持其金屬光澤，即在保護其外觀的情況下，要能達到鹽霧試驗、濕熱試驗及日照試驗等的要求。實際上電鍍的后處理主要就是細節(jié)問題，用來提高鍍層的耐腐蝕性能和使用壽命。做PTFE就要比FEP等銀層要厚，而且要均勻無刮傷!這對拉絲時的機器和模具有特殊的要求；南京車載攝像頭外殼鍍銀</p><p style="text-indent:25px">其他金屬如銅、等大多數(shù)金屬在鍍銀時，都會因銀的電位較正而在電鍍時發(fā)生置換反應，使鍍層結(jié)合力出現(xiàn)問題。南京車載攝像頭外殼鍍銀</p><p style="text-indent:25px">很多人聽說過鍍銀，但是沒有聽過鍍銠銀，其本質(zhì)上指的就是鍍銠，因為與銀基本上很難從外觀分別出來，因此被人們稱為銠銀。銠屬于惰性金屬，因此電鍍之后鍍層的穩(wěn)定性和亮度的視覺保持時間比其他電鍍工藝保持時間更長，但是鍍銠的價錢上是要比其他工藝要貴上少許的。鍍銠工藝多用于首飾產(chǎn)品的電鍍上，像大家蕞常見的鉑金首飾，鉑金材質(zhì)本身就算經(jīng)過拋光，也不會很亮，只有經(jīng)過鍍銠之后才會呈亮發(fā)光。除了銀、鉑金可以鍍銠外，銅類金屬也是可以采用鍍銠工藝進行加工，常用在首飾行業(yè)上。南京車載攝像頭外殼鍍銀</p><p style="text-indent:25px">惠州市微納科技有限公司位于廣東省惠州市，創(chuàng)立于2017-11-15。公司自成立以來，以質(zhì)量為發(fā)展，讓匠心彌散在每個細節(jié)，公司旗下[ "濺射鍍膜", "真空鍍膜", "濺射鍍膜", "外殼" ]深受客戶的喜愛。公司將不斷增強企業(yè)核心競爭力，努力學習行業(yè)先進知識，遵守行業(yè)規(guī)范，植根于橡塑行業(yè)的發(fā)展。公司憑借深厚技術(shù)支持，年營業(yè)額度達到50-100萬元，并與多家行業(yè)**公司建立了緊密的合作關(guān)系。</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/728172.html</p></div></div></div></div></div><div id="u23oash" class="page-right twoColRt"><div id="cbiasjl" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="3l3ax33" 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" 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</p></a></div><div id="fe8f8rb" class="recomPic likePro"><a href="http://www.cdcfah.com/cp/846569.html"><div><img src="https://tyunfile.71360.com/WaterMark/UploadFile/nbzxsw/637298235378037109/764794.png" alt="寧波寧海直接考A2有幾個科目真誠推薦寧波助學商務信息咨詢供應" class="vcenter" 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