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<meta http-equiv="Cache-Control" content="no-siteapp" /> <script>var V_PATH="/";window.onerror=function(){ return true; };</script> </head><body> <h1><a href="http://www.cdcfah.com/">六月丁香婷婷亚洲中文字幕,欧美精品高清一区二区蜜芽,尤物92午夜福利视频,精品视频一区二区三区在线观看</a></h1> <div style="position:fixed;left:-9000px;top:-9000px;"><object id="qgqbi"></object><delect id="qgqbi"><sub id="qgqbi"><dl id="qgqbi"></dl></sub></delect><track id="qgqbi"></track><tr id="qgqbi"></tr><video id="qgqbi"></video><xmp id="qgqbi"><span id="qgqbi"></span></xmp><span id="qgqbi"></span><strong id="qgqbi"><em id="qgqbi"><sup id="qgqbi"><progress id="qgqbi"></progress></sup></em></strong><dl id="qgqbi"><small id="qgqbi"></small></dl><wbr id="qgqbi"></wbr><noscript id="qgqbi"></noscript><tr id="qgqbi"></tr><track id="qgqbi"><dl id="qgqbi"></dl></track><label id="qgqbi"><em id="qgqbi"></em></label><tbody id="qgqbi"></tbody><blockquote id="qgqbi"></blockquote><dfn id="qgqbi"><center id="qgqbi"></center></dfn><sub id="qgqbi"></sub><u 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clearfix"><h1>金山區(qū)鍍鎳合金專業(yè)生產(chǎn) 歡迎來電上海弘夏電鍍供應(yīng)</h1><div id="4b8ykwn" class="proBig"><div id="gf8ctar" class="bigimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/shhxdd/637339477004326172/4417783.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="8bikgcy" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/shhxdd/637339477004326172/4417783.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="c3waqxo" 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>金山區(qū)鍍鎳合金專業(yè)生產(chǎn),電鍍鋅鎳合金</p><p><span>***更新：</span>2021-02-03 01:13:13</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="ziszlso" 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="3ipg7lj" class="page-proshow02"><p class="title">詳細說明</p><div id="xlhtse2" class="box"><p><p style="text-indent:25px">現(xiàn)舉例說明堿性電鍍鋅鎳合金鍍液組成及工藝條件。氧化鋅8～12g／L，硫酸鎳(NiS04·6H20)10～14g／L，氫氧化鈉100～140g／L，乙二胺20～30mL／L，三乙醇胺30～50mL／L，ZQ18～14mL／L。電流密度1～5A／dm2，工作溫度15～35℃，陽極采用鋅和鎳板，鍍層鎳含量約l3％左右。鍍液中主鹽zn2+：Ni2+比值對鍍層中鎳含量影響很大，金山區(qū)鍍鎳合金專業(yè)生產(chǎn)，其關(guān)系見圖4-1。氫氧化鈉為鋅離子的絡(luò)合劑，乙二胺、三乙醇胺為鎳離子絡(luò)合劑，盡管二者也能與鋅離子絡(luò)合，但與鋅離子絡(luò)合能力較鎳離子弱，所以其用量對鍍層中鎳含量有影響。**報道堿性鋅鎳合金光亮劑由三類組成：開始一類為有機胺與環(huán)氧氯丙烷的縮合物，單獨使用，金山區(qū)鍍鎳合金專業(yè)生產(chǎn)，可使鍍層結(jié)晶細致，金山區(qū)鍍鎳合金專業(yè)生產(chǎn)，呈半光亮狀態(tài)；第二類為有機醛，如香草醛等，主要起光亮作用；第三類為碲酸鈉等無機鹽，可使**電流密度部分共沉積鎳含量提高。鋅鎳合金具的耐磨性好。金山區(qū)鍍鎳合金專業(yè)生產(chǎn)</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="金山區(qū)鍍鎳合金專業(yè)生產(chǎn),電鍍鋅鎳合金" src="https://tyunfile.71360.com/UploadFile/shhxdd/637339477004326172/4417783.png"></div><p style="text-indent:25px">電鍍鋅鎳合金主要是使用在一些需要防護的地方，屬于陰性的鍍層，而且孔隙的密度高，比起其他方式更加的適用，在一些汽車行業(yè)和醫(yī)療行業(yè)中都得到很普遍的使用，一般在使用中會出現(xiàn)一些小故障，下面我們就來看看這些小故障的問題和維修的方法是什么。有的時候鍍層會出現(xiàn)一些***和一些麻點還有就是一些電鍍中常見的一些故障，這些故障一般由以下幾種原因造成的，首先就是熱處理方面的原因，在機械加工中，零部件表面會粘接一些防銹的油脂還有一些機械油和一些磨削液等等，形成很厚的一些污垢，如果處理前沒有把這些污垢去除的話，淬火燒結(jié)成的一些固體的油脂去除都是很難干凈的，還有一個原因就是熱處理的時候表面沾上了一層污漬，當這些灰塵落在現(xiàn)在的表面上的話，并且會和油脂粘在一起，時間長了以后是很難清洗的，從而會使這些表面形成很多細小的斑點等，施鍍的時候也會沾上一些油斑，還有的是在淬火的時候，工件方面有油污和灰塵進行和結(jié)合，成為非常頑固的一些固體的油污，從而會使鍍層上面產(chǎn)生很多的麻點的現(xiàn)象，隨著現(xiàn)在的氣泡方面的逐漸長大，鍍層也會自動的漲破，產(chǎn)生一些蛻皮的現(xiàn)象。浙江閥塊電鍍鍍鎳合金鍍鋅鎳合金層有很強的反光能力和良好的導熱、導電、焊接性能。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="金山區(qū)鍍鎳合金專業(yè)生產(chǎn),電鍍鋅鎳合金" src="https://tyunfile.71360.com/UploadFile/shhxdd/637339476959169922/5401608.png"></div><p style="text-indent:25px">鋅鎳合金電鍍歸于一種ZN-211酸性銨鹽鋅鎳合金電鍍技術(shù)，這種技術(shù)技術(shù)具有弱酸性氯化物電鍍鋅鎳合金所本身帶有的電流效率高、堆積速度敏捷和可以鍍覆高碳鋼以及鑄鐵外表的優(yōu)勢。鎳合金電鍍較高沉積的速度可以到達每小時80微米，合適用于板條物的敏捷電鍍，鍍液具有極好的整平性，而且鍍層呈現(xiàn)白色，亮光，通常鍍層的鎳含量可以操控在812%規(guī)模內(nèi)，恰當?shù)倪M行調(diào)整也可以得到鎳含量相對比較低的鋅鎳合金鍍層。在進行這樣的鋅鎳合金電鍍工藝的時候，使用的都是優(yōu)良的材質(zhì)和先進的工藝，這樣也就是能夠使得制品較終的使用性能更加的好了，從而對于實際的使用也就是能夠帶來了優(yōu)勢。</p><p style="text-indent:25px">什么是電鍍鋅?行業(yè)內(nèi)又稱冷鍍鋅，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。電鍍鋅有以下特點：1、抗腐蝕性好，結(jié)合細致均勻，不易被腐蝕性氣體或液體進入內(nèi)部。2、由于鋅層比較純，無論在酸或堿環(huán)境底下都不易被腐蝕。長時間有效的保護鋼體。3、經(jīng)鉻酸鈍化后形成各種顏色使用，可根據(jù)客戶喜愛挑選，鍍鋅美觀大方，具有裝飾性。4、鋅鍍層具有良好的延展性，在進行各種折彎，搬運撞擊等都不會輕易掉落。電鍍鋅鎳合金管廠的負責人指出，從現(xiàn)在的需求上來看，鋼結(jié)構(gòu)的發(fā)展前景還是不錯的。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="金山區(qū)鍍鎳合金專業(yè)生產(chǎn),電鍍鋅鎳合金" src="https://tyunfile.71360.com/UploadFile/shhxdd/637339476803779297/5276732.png"></div><p style="text-indent:25px">電鍍鋅鎳合金工藝：電鍍鋅鎳合金是利用電解的原理將導電體鋪上一層金屬的方法。除了導電體以外，電鍍亦可用于經(jīng)過特殊處理的塑膠上。電鍍的過程基本如下：把鍍上去的金屬接在陽極，或者把待鍍金屬的可溶性鹽添加在槽液中。要被電鍍的物件接在陰極。陰陽極以鍍上去的金屬的正離子組成的電解質(zhì)溶液相連。通以直流電的電源后，陽極的金屬會釋放電子，溶液中的正離子則在陰極還原（得到電子）成原子并積聚在陰極表層。電鍍后被電鍍物件的美觀性和電流密度大小有關(guān)系，在可操作電流密度范圍內(nèi)，電流密度越小，被電鍍的物件便會越美觀；反之則會出現(xiàn)一些不平整的形狀。電流密度指一定面積上的電流分布，常用的電流密度單位是安培每平方分米[ASD]和安培每平方英尺。一般情況下，電鍍槽液呈酸性，能夠腐蝕溶解陰極鍍層金屬，當電流密度太小時（小于5ASF時），由于酸性槽液的溶解，鍍層金屬會呈現(xiàn)疏松和無光澤的外觀。電鍍的主要用途包括防止金屬氧化（如銹蝕）以及進行裝飾。不少硬幣的外層亦為電鍍。電鍍產(chǎn)生的污水（如失去效用的電解質(zhì)）是水污染的重要來源。鋅鎳合金鍍層是一種新型的優(yōu)良防護性鍍層。啟東高鹽霧試驗的鋅鎳</p><p style="text-indent:25px">電鍍鋅鎳合金厚度保持在螺紋公差范圍內(nèi)5～15μm的厚度。金山區(qū)鍍鎳合金專業(yè)生產(chǎn)</p><p style="text-indent:25px">兩種電鍍鋅鎳合金工藝優(yōu)點比較：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。堿性鋅鎳合金電鍍的優(yōu)點：1、均鍍能力(分散能力)好，鍍層，均鍍能力(分散能力)相對較低，厚度分布相對均勻。 2、工件高、低電流密度區(qū)鍍層中鎳的含量差別較小。酸性鋅鎳合金電鍍的優(yōu)點：1、電流效率高，一般為90%左右；鍍層沉積速度快，高可達1.0微米/分以上。2、生產(chǎn)運行成本低，較堿性工藝低50%左右。3、保持鍍槽正常運轉(zhuǎn)相對較易。4、可以鍍覆鑄鐵、滲碳鋼、高碳鋼。金山區(qū)鍍鎳合金專業(yè)生產(chǎn)</p></p><br /><p>文章來源地址: 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