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color:#999;">來(lái)源：原創(chuàng)更新時(shí)間：2015-10-19點(diǎn)擊：1334次</li> <li><p>在盛有電鍍液的鍍槽中，經(jīng)過(guò)清理和特殊預(yù)處理的待鍍件作為陰極，用鍍覆金屬制成陽(yáng)極，兩極分別與直流電源的負(fù)極和正極聯(lián)接。電鍍液由含有鍍覆金屬的化合物、導(dǎo)電的鹽類(lèi)、緩沖劑、pH調(diào)節(jié)劑和添加劑等的水溶液組成。通電后，電鍍液中的金屬離子，在電位差的作用下移動(dòng)到陰極上形成鍍層。陽(yáng)極的金屬形成金屬離子進(jìn)入電鍍液，以保持被鍍覆的金屬離子的濃度[1]。在有些情況下，如鍍鉻，是采用鉛、鉛銻合金制成的不溶性陽(yáng)極，它只起傳遞電子、導(dǎo)通電流的作用。電解液中的鉻離子濃度，需依靠定期地向鍍液中加入鉻化合物來(lái)維持。電鍍時(shí)，陽(yáng)極材料的質(zhì)量、電鍍液的成分、溫度、電流密度、通電時(shí)間、攪拌強(qiáng)度、析出的雜質(zhì)、電源波形等都會(huì)影響鍍層的質(zhì)量，需要適時(shí)進(jìn)行控制。<br /> 　　電鍍電源經(jīng)歷了四個(gè)發(fā)展階段：<br /> 　　(1) 直流發(fā)電機(jī)階段這種電源耗能大、效率低、噪聲大．已經(jīng)被淘汰。<br /> 　　(2) 硅整流階段是直流發(fā)電機(jī)的換代產(chǎn)品，技術(shù)十分成熟，但效率低，體積大，控制不方便。目前，仍有許多企業(yè)使用這種電鍍電源。<br /> 　　(3) 可控硅整流階段是目前替代硅整流電源的主流電源，具有效率高、體積小、調(diào)控方便等特點(diǎn)。隨著核心器件——可控硅技術(shù)的成熟與發(fā)展．該電源技術(shù)日趨成熟，已獲得廣泛應(yīng)用。<br /> (4) 晶體管開(kāi)關(guān)電源即脈沖電源階段脈沖電鍍電源是當(dāng)今最為先進(jìn)的電鍍電源，它的出現(xiàn)是電鍍電源的一次革命。這種電源具有體積小、效率高、性能優(yōu)越、紋波系數(shù)穩(wěn)定．而且不易受輸出電流影響等特點(diǎn)。脈沖電鍍電源是發(fā)展的方向，現(xiàn)已開(kāi)始在企業(yè)中使用了。</p> </li> </ul> <div id="njl7nlj" class=" cl"></div> <div class="ljlljl1" id="nypa"> <ul> <a href="/xingyezixun/367.html" class="fl">上一篇: 上市公司環(huán)保不及格將進(jìn)入黑名單</a> <a href="/xingyezixun/627.html" class="fr">下一篇: 鋁陽(yáng)極氧化與染色技術(shù) 之二陽(yáng)極化處理</a> </ul> </div> <div id="nj1nnjl" class=" cl"></div>  <div id="jl1njlj" class="nenyw"> <h3>相關(guān)資訊</h3> <ul> <li> <span>[2016.03.03]</span> <a href="/xingyezixun/544.html">使用“耐酸堿化工泵”的過(guò)程中應(yīng)該記住的事項(xiàng)</a> </li> <li> <span>[2016.04.11]</span> <a href="/jiejuefangan/557.html">鋅合金表面鍍鋅層與涂裝涂層附著力不良的主要原因</a> </li> <li> <span>[2015.10.17]</span> <a href="/xingyezixun/318.html">電鍍廠選擇全自動(dòng)滾鍍?cè)O(shè)備的原因</a> </li> <li> <span>[2017.04.01]</span> <a href="/changjianwenti/612.html">電鍍藥液過(guò)濾機(jī)使用過(guò)程中正確使用方法</a> </li> <li> <span>[2017.04.06]</span> <a href="/jiejuefangan/616.html">電鍍?cè)O(shè)備對(duì)電鍍質(zhì)量的影響</a> </li> <li> <span>[2017.04.17]</span> <a href="/jiejuefangan/628.html">工業(yè)酸洗廢氣處理設(shè)備哪種效果好?</a> </li> <li> <span>[2017.04.18]</span> <a href="/jiejuefangan/632.html">超聲波清洗機(jī)常見(jiàn)應(yīng)用范圍</a> </li> <li> <span>[2017.04.20]</span> <a href="/jiejuefangan/634.html">電鍍?cè)O(shè)備中電鍍掛具對(duì)于電鍍工藝的重要性</a> </li> <li> <span>[2017.04.21]</span> <a href="/changjianwenti/636.html">不銹鋼材料管怎樣防止生銹</a> </li> <li> <span>[2017.05.02]</span> <a href="/jiejuefangan/642.html">化學(xué)鎳退鍍應(yīng)該注意哪些問(wèn)題</a> </li> </ul> <div id="jnj1j7l" class="cl"></div> </div></div> </div> <div id="nln777l" class="cl"></div> <div id="nljj7nl" class="sdihe"></div> </div> </div> <div id="nlnnjjl" class="baqok"> <div id="njjn17n" class="w1000 bavab "> <span><a href="/" title="振遠(yuǎn)首頁(yè)">振遠(yuǎn)首頁(yè)</a></span> <span><a href="/diandushebei/21-1.html" title="電鍍?cè)O(shè)備">電鍍?cè)O(shè)備</a></span> <span><a href="/gundushebei/34-1.html" title="滾鍍?cè)O(shè)備">滾鍍?cè)O(shè)備</a></span> <span><a href="/yangjiyanghuashebei/22-1.html" title="陽(yáng)極氧化設(shè)備">陽(yáng)極氧化設(shè)備</a></span> <span><a href="/kaolu/kaoxiang/23-1.html" title="廢氣處理設(shè)備">廢氣處理設(shè)備</a></span> <span><a href="/xingyezixun/5-1.html" title="電鍍資訊">電鍍資訊</a></span> <span><a href="/gongchenganli/14-1.html" title="工程現(xiàn)場(chǎng)">工程現(xiàn)場(chǎng)</a></span> <span><a href="/guanyuzhengyuan.html" title="關(guān)于振遠(yuǎn)">關(guān)于振遠(yuǎn)</a></span> <span><a href="/lianxiwomen.html" title="聯(lián)系振遠(yuǎn)">聯(lián)系振遠(yuǎn)</a></span> </div> <div id="nj77jnl" class="w1000 qanb"> <div><img class="fl qanlq" height="115" src="/assets/Front/images/kseihq.jpg" width="150" /> <p class="fl" style="line-height: 29px;">東莞市振遠(yuǎn)環(huán)保科技有限公司版權(quán)所有 @ Copyright 2015 <a target="_blank">粵ICP備14080940號(hào) </a> <a href="https://#baidu.com/web/welcome/ico?s=4c91e45580bd9fe0bde6d62d9bf89ad1" target="_blank">【百度統(tǒng)計(jì)】 </a> <script> var _hmt = _hmt || []; 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