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id="2kpro32" class="twoCol"><div id="nrowoq7" class="page-proshow clearfix"><p class="current"> 當(dāng)前位置:<a href="http://www.cdcfah.com/">首頁?<a href="http://www.cdcfah.com/cp/">產(chǎn)品供應(yīng)</a>?<a href="http://www.cdcfah.com/cp/second-_jxjxysb/">機械及行業(yè)設(shè)備</a>?<a href="http://www.cdcfah.com/cp/third-jxjxysb_jcscjgjim/">建材生產(chǎn)加工機械</a>?河北電鍍設(shè)備價格余姚市琰昊機械供應(yīng)</p><div id="u8mumzw" class="leftbox clearfix"><h1>河北電鍍設(shè)備價格余姚市琰昊機械供應(yīng)</h1><div id="acprjg2" class="proBig"><div id="ptg78go" class="bigimg"><div><p class="pic"><img src="http://tyunfile.71360.com/UploadFile/nbyhjx/637229901078027344/3416312.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="7nst7km" class="smallimg"><div><p class="pic"><img src="http://tyunfile.71360.com/UploadFile/nbyhjx/637229901078027344/3416312.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="fkro4ew" 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>浙江省</p><p><span>包裝要求：</span><span style="color: #f30;"></span></p><p><span>產(chǎn)品關(guān)鍵詞：</span>河北電鍍設(shè)備價格,電鍍設(shè)備</p><p><span>***更新：</span>2020-11-26 02:08:07</p><p><span id="click" >瀏覽次數(shù)：0次</span></p><a rel="nofollow" class="button">聯(lián)系我們</a></div></div><div id="pe2bd7z" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">余姚市琰昊機械廠</a></p><p><span>聯(lián)系人：</span>蘇紅濤</p><p><span>郵箱: </span>1073985827@qq.com</p><p><span>電話: </span>15824566671</p><p><span>傳真: </span>0574_</p><p><span>網(wǎng)址: </span></p><p><span>手機: </span>0574-62067066</p><p><span>地址: </span>臨山鎮(zhèn)湖堤村湖堤</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="28b77og" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="oyqdn7c" class="box"><p><p> (1)電化學(xué)極化 </p> <p> <br /> </p> <p> 由于陰極上電化學(xué)反應(yīng)速度小于外電源供給電子的速度﹐從而使電極電位向負(fù)的方向移動而引起的極化作用 </p> <p> <br /> </p> <p> (2)濃差極化 </p> <p> <br /> </p> <p> 由于鄰近電極表液層的濃度與溶液主體的濃度發(fā)生差異而產(chǎn)生的極化稱濃差極化﹐這是由于溶液中離子擴散速度小于電子運動造成的。 </p> <p> <br /> </p> <p> 第四節(jié) 金屬的電積過程 </p> <p> <br /> </p> <p> 電鍍過程是鍍液中的金屬離子在外電場的作用下﹐經(jīng)電極反應(yīng)還原成金屬原子并在陰極上進行金屬沉積的過程。下圖(1-2)是電沉積過程示意圖﹐完成電沉積過程必須經(jīng)過以下三個步驟﹕ </p> <p> <br /> </p> <p> 液相傳質(zhì)﹕鍍液中的水化金屬離子或絡(luò)離子從溶液內(nèi)部向極界面遷移﹐到達陰極的雙電層溶液一側(cè)，河北電鍍設(shè)備價格。鍍銀：改善導(dǎo)電接觸阻抗，河北電鍍設(shè)備價格，增進信號傳輸，河北電鍍設(shè)備價格。（銀性能比較好，容易氧化，氧化后也導(dǎo)電）。河北電鍍設(shè)備價格</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="河北電鍍設(shè)備價格,電鍍設(shè)備" src="http://tyunfile.71360.com/UploadFile/nbyhjx/637229901078027344/3416312.jpg"></div><p> 貴金屬電鍍通常都使用不溶性陽極，且為導(dǎo)電良好，會使用貴金屬不溶解性陽極(如白金)。陰極一般指的就是鍍件，但此處所述的陰極為鍍件導(dǎo)電用的陰極導(dǎo)電頭，一般陰極導(dǎo)電頭使用銅合金或不銹鋼材料，必須考慮導(dǎo)電，耐蝕，作業(yè)，成本，方可定材料。而陰極導(dǎo)電頭與鍍件接觸需良好，且摩擦越小越好。17.攪拌器：為促使電鍍效率，增加電鍍均勻度，提高電流密度，故必須加強攪拌效果。一般有用強水流攪拌，陰極震蕩攪拌，超音波攪拌，空氣攪拌等方式。河北電鍍設(shè)備價格利用電解池原理在機械制品上沉積出附著良好的、但性能和基體材料不同的金屬覆層的技術(shù)。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="河北電鍍設(shè)備價格,電鍍設(shè)備" src="http://tyunfile.71360.com/UploadFile/nbyhjx/637229901163378906/7907760.jpg"></div><p> 2.添加劑的影響 </p> <p> 鍍液中的光亮劑﹐整平劑﹐潤濕劑等添加劑能明顯改善鍍層。對此添加劑有無機和有機之<。無機添加劑起作用的原因是由于它們在電解液中形成散度的氫氧化物或硫化物膠體﹐吸附在陰極表面阻礙金屬析出﹐提高陰極極化作用。有機添加劑起作用的原因是這類添加劑多為表面活性物質(zhì)﹐它們會吸附在陰極表面形成一層附膜﹐阻礙金屬析出﹐因而提高陰極極化作用。另外﹐<些有機添加劑在電解液中形成膠體﹐會與金屬離子絡(luò)合形成膠體-金屬離子型絡(luò)合物﹐阻礙金屬離子放電而提高陰極極化作用。 </p><p> 9.刮水設(shè)備：在連續(xù)電鍍設(shè)備中，刮水方法有使用橡膠刮板，毛刷，吹氣，吸水海綿等方法。其中以吹氣法效果比較好，但成本比較高，目前吹氣產(chǎn)生方式有空壓機生成式和鼓風(fēng)機生成式。端子結(jié)構(gòu)較差(易變形)的不適用毛刷和刮板，矽橡膠刮板適合扁平狀的端子。 </p> <p> 10.干燥系統(tǒng)：在電鍍結(jié)束后，端子表面水滴必須除去，否則干燥效果會很差。一般干燥的烤箱都用HEATER或IR，并且在熱風(fēng)循環(huán)下干燥。烤箱須有溫度控制裝置。 </p> <p> 11.放料系統(tǒng)：一般放料方式有水平式和垂直式。放料區(qū)設(shè)有卷紙裝置，連動開關(guān)，定位導(dǎo)輪。若生產(chǎn)速度很快時，更要設(shè)有緩沖接線。陰極：被鍍物，指各種接插件端子。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="河北電鍍設(shè)備價格,電鍍設(shè)備" src="http://tyunfile.71360.com/UploadFile/nbyhjx/637229901449482422/7098509.jpg"></div><p> 2.絡(luò)合劑 </p> <p> 有些情況下﹐若鍍液中主鹽的金屬離子為簡單離子時﹐則鍍層晶粒粗大﹐因此﹐要采用絡(luò)合離子的鍍液。獲得絡(luò)合離子的方法是加入絡(luò)合劑﹐即能絡(luò)合主鹽的金屬離子形成絡(luò)合物的物質(zhì)。絡(luò)合物是一種由簡單化合物相互作用而形成的“分子化合物”。在含絡(luò)合物的鍍液中﹐影響電鍍效果的主要是主鹽與絡(luò)合劑的相對含量﹐即絡(luò)合劑的游離量﹐而不是含量。 </p> <p> 3.附加鹽 </p> <p> 附加鹽是電鍍中除主要鹽外的某些堿金屬或堿土金屬鹽類﹐主要用于提高電鍍液的導(dǎo)電性﹐對主鹽中的金屬離子不起絡(luò)合作用。有些附加還能改善鍍液的深鍍能力﹐分散能力﹐產(chǎn)生細(xì)致的鍍層。通電后，電鍍液中的金屬離子，在電位差的作用下移動到陰極上形成鍍層。陽極的金屬形成金屬離子進入電鍍液。河北電鍍設(shè)備價格</p><p style="text-indent:25px">通以直流電的電源后，陽極的金屬會氧化（失去電子），溶液中的正離子則在陰極還原成原子并積聚在陰極表層。河北電鍍設(shè)備價格</p><p> 第四節(jié) 金屬的電積過程 </p> <p> 電鍍過程是鍍液中的金屬離子在外電場的作用下﹐經(jīng)電極反應(yīng)還原成金屬原子并在陰極上進行金屬沉積的過程。下圖(1-2)是電沉積過程示意圖﹐完成電沉積過程必須經(jīng)過以下三個步驟﹕ </p> <p> 液相傳質(zhì)﹕鍍液中的水化金屬離子或絡(luò)離子從溶液內(nèi)部向極界面遷移﹐到達陰極的雙電層溶液一側(cè)。 </p> <p> 電化學(xué)反應(yīng)﹕水化金屬離子或絡(luò)離子通過雙電層﹐并去掉它周圍的水化分子或配位體層﹐從陰極上得電子生成金屬原子。有三種方式﹕電遷移﹐對流和擴散。 </p> <p> 電結(jié)晶﹕金屬原子沿金屬表面擴散到結(jié)晶生長點﹐以金屬原子態(tài)排列在晶格內(nèi)﹐形成鍍層。 </p> <p> 電鍍時﹐以上三個步驟是同時進行的﹐但進行的速度不同﹐速度最慢的一個被稱為整個沉積過程的控制性環(huán)節(jié)。不同步驟作為控制性環(huán)節(jié)﹐的電沉積結(jié)果是不一樣的。河北電鍍設(shè)備價格</p><p style="text-indent:25px">余姚市琰昊機械廠致力于五金、工具，以科技創(chuàng)新實現(xiàn)高品質(zhì)管理的追求。琰昊機械廠深耕行業(yè)多年，始終以客戶的需求為向?qū)?，為客戶提供高品質(zhì)的龍門電鍍線，環(huán)形電鍍線，鋁氧化生產(chǎn)線，廢氣處理設(shè)備。琰昊機械廠致力于把技術(shù)上的創(chuàng)新展現(xiàn)成對用戶產(chǎn)品上的貼心，為用戶帶來良好體驗。琰昊機械廠始終關(guān)注五金、工具市場，以敏銳的市場洞察力，實現(xiàn)與客戶的成長共贏。</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/2143666.html</p></div></div></div></div></div><div id="n77cpr3" class="page-right twoColRt"><div id="394r2eb" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div 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