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onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="z2biacb" class="smallimg"><div><p class="pic"><img src="http://tyunfile.71360.com/UploadFile/nbyhjx/637229901209345703/9370594.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="cb7wh2h" 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>重慶電鍍設(shè)備,電鍍設(shè)備</p><p><span>***更新：</span>2021-02-06 02:06:16</p><p><span id="click" >瀏覽次數(shù)：1次</span></p><a rel="nofollow" class="button">聯(lián)系我們</a></div></div><div id="m3wdk3k" 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(jī)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(jī): </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="gv3woqx" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="lfcp3bq" class="box"><p><p> 7.冷卻系統(tǒng)：一般有直接冷凍法和間接冷凍法，重慶電鍍設(shè)備。而直接冷凍法是將抽至冷凍機(jī)內(nèi)冷卻，此方法冷凍效果好。間接冷凍法則是在槽內(nèi)排冷卻水管間接冷凍，此法冷凍效果較差，清槽困難。冷凍機(jī)的散熱方式有水冷法(須有冷卻水塔)與氣冷法(風(fēng)扇)。錫鉛若能保持24小時低溫狀態(tài)，比較不會造成渾濁情形。 </p> <p> 8.電控系統(tǒng)：除上述加熱及冷卻系統(tǒng)的電控之外，尚有泵，過濾機(jī)，重慶電鍍設(shè)備，震蕩機(jī)，整流器，傳動，重慶電鍍設(shè)備，烤箱，鼓風(fēng)機(jī)等的電控，通常都以電源控制箱匯總控制。而整流器與傳動是設(shè)定為連動裝置。是利用電解作用使金屬或其它材料制件的表面附著一層金屬膜的工藝從而起到防止金屬氧化。重慶電鍍設(shè)備</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="重慶電鍍設(shè)備,電鍍設(shè)備" src="http://tyunfile.71360.com/UploadFile/nbyhjx/637229901209345703/9370594.jpg"></div><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(kuò)散速度小于電子運(yùn)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(jìn)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(dá)陰極的雙電層溶液一側(cè)。重慶電鍍設(shè)備在有些情況下，如鍍鉻，是采用鉛、鉛銻合金制成的不溶性陽極，它只起傳遞電子、導(dǎo)通電流的作用。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="重慶電鍍設(shè)備,電鍍設(shè)備" src="http://tyunfile.71360.com/UploadFile/nbyhjx/637229901403437500/6028293.jpg"></div><p> 鍍鉻是一個漢語詞語，拼音是dù luò，是一種常見的精加工處理技術(shù)屬于電鍍的一種，采用了鉻的電解沉積原理。日常生活中，厚度薄、裝飾明亮的鍍鉻是鍍鉻技術(shù)**為常見的形式之一。如今的鍍烙主要有兩種類型的應(yīng)用：一種是工業(yè)應(yīng)用；另一種是裝飾性應(yīng)用。工業(yè)鍍鉻也被稱為硬鉻或鉻工程。 </p> <p> 鍍鉻(ge)，由于電鍍行業(yè)還有一個鍍鎘（ge），同音，為了區(qū)別，把鉻讀成絡(luò)（luo）. </p> <p> <br /> </p> <p> 鍍鉻是一種常見的精加工處理技術(shù)，這是采用了鉻的電解沉積原理。日常生活中，厚度薄、裝飾明亮的鍍鉻是鍍鉻技術(shù)**為常見的形式之一。 </p><p> 3.電流密度的影響 </p> <p> <br /> </p> <p> 任何電鍍都必須有一個能產(chǎn)生正常鍍層的電流密度范圍。當(dāng)電流密度過低時﹐陰極極化作用較小﹐鍍層桔晶粗大﹐甚至沒有鍍層。隨著電流密度的增加﹐陰極極化作用隨著增加﹐鍍層晶粒越來越細(xì)。當(dāng)電流密度過高﹐超過極限電流密度時﹐鍍層質(zhì)量開始惡化﹐甚至出現(xiàn)海綿體﹐枝晶狀﹐燒焦及發(fā)黑等。電流密度的變化的上限和下限是由電鍍液的本性﹐濃度﹐溫度和攪拌等因素決定的。一般情況下種餮聞ǘ仍齟螬o鍍層溫度升高﹐以及有攪拌的條件下﹐可以允許采用較大的電流密度。利用電解池原理在機(jī)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="重慶電鍍設(shè)備,電鍍設(shè)備" src="http://tyunfile.71360.com/UploadFile/nbyhjx/637229901039218750/6810569.jpg"></div><p> 整流器的管理不只是電工人員的事，電鍍企業(yè)要將每臺整流器定人定崗管理。即由使用人負(fù)責(zé)日常的管理，對整流器進(jìn)行使用監(jiān)視和維護(hù)，比如，嚴(yán)禁操作過程中的電極短路，不讓鍍液等腐蝕性液體灑到整流器上等，要每天進(jìn)行表面清潔維護(hù)，遇有異常，立即關(guān)機(jī)并通知電工到場處理，非電工人員不得擅自開拆和修理整流電源。當(dāng)然提倡高級電鍍工要獲得相應(yīng)電工資格，從而有動手處理整流器故障的能力和資格。 </p> <p> <br /> </p> <p> <br /> </p> <p> <br /> </p> <p> 應(yīng)該建立整流器設(shè)備檔案，將產(chǎn)品說明書、合格證、保修單全部歸檔，并有維修或零件更換記錄，具有文件化的管理資料。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。江蘇環(huán)保電鍍設(shè)備</p><p style="text-indent:25px">任何鍍液都有一個獲得良好鍍層的電流密度范圍，獲得良好鍍層的**小電流密度稱電流密度下限.重慶電鍍設(shè)備</p><p> 不是所有的金屬離子都能從水溶液中沉積出來，如果陰極上氫離子還原為氫的副反應(yīng)占主要地位，則金屬離子難以在陰極上析出.根據(jù)實驗，金屬離子自水溶液中電沉積的可能性，可從元素周期表中得到一定的規(guī)律，如表1.1所示。 </p> <p> <br /> </p> <p> 陽極分為可溶性陽極和不溶性陽極，大多數(shù)陽極為與鍍層相對應(yīng)的可溶性陽極，如：鍍鋅為鋅陽極，鍍銀為銀陽極，鍍錫-鉛合金使用錫-鉛合金陽極.但是少數(shù)電鍍由于陽極溶解困難，使用不溶性陽極，如酸性鍍金使用的是多為鉑或鈦陽極.鍍液主鹽離子靠添加配制好的標(biāo)準(zhǔn)含金溶液來補(bǔ)充.鍍鉻陽極使用純鉛，鉛-錫合金，鉛-銻合金等不溶性陽極。重慶電鍍設(shè)備</p><p style="text-indent:25px">余姚市琰昊機(jī)械廠致力于五金、工具，以科技創(chuàng)新實現(xiàn)***管理的追求。琰昊機(jī)械廠深耕行業(yè)多年，始終以客戶的需求為向?qū)В瑸榭蛻籼峁?**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(jī)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(jī)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/3182728.html</p></div></div></div></div></div><div id="fprtvse" 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