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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>產品關鍵詞：</span>奉化區(qū)正規(guī)電鍍設備,電鍍設備</p><p><span>***更新：</span>2021-01-08 04:06:56</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="jdvs8pw" 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="d2i8jlx" class="page-proshow02"><p class="title">詳細說明</p><div id="888cog3" class="box"><p><p> 2.絡合劑 </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﹐要采用絡合離子的鍍液。獲得絡合離子的方法是加入絡合劑﹐即能絡合主鹽的金屬離子形成絡合物的物質，奉化區(qū)正規(guī)電鍍設備。絡合物是一種由簡單化合物相互作用而形成的“分子化合物”。在含絡合物的鍍液中﹐影響電鍍效果的主要是主鹽與絡合劑的相對含量﹐即絡合劑的游離量﹐而不是含量。 </p> <p> 3，奉化區(qū)正規(guī)電鍍設備，奉化區(qū)正規(guī)電鍍設備.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電性﹐對主鹽中的金屬離子不起絡合作用。有些附加還能改善鍍液的深鍍能力﹐分散能力﹐產生細致的鍍層。電鍍過程是鍍液中的金屬離子在外電場的作用下，經電極反應還原成金屬原子并在陰極上進行金屬沉積的過程。奉化區(qū)正規(guī)電鍍設備</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="奉化區(qū)正規(guī)電鍍設備,電鍍設備" 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。即由使用人負責日常的管理，對整流器進行使用監(jiān)視和維護，比如，嚴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，要每天進行表面清潔維護，遇有異常，立即關機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。當然提倡高級電鍍工要獲得相應電工資格，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> 應該建立整流器設備檔案，將產品說明書、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。奉化區(qū)正規(guī)電鍍設備鍍鎳：打底用或做外觀，增進抗蝕能力及耐磨能力，（其中化學鎳為現(xiàn)代工藝中耐磨能力超過鍍鉻）。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="奉化區(qū)正規(guī)電鍍設備,電鍍設備" src="http://tyunfile.71360.com/UploadFile/nbyhjx/637229901300644531/5019611.jpg"></div><p> 整流器的管理： </p> <p> 用于電鍍的整流器對防腐蝕性能有一定要求，不能采用非電鍍用整流電源，否則在電鍍現(xiàn)場使用壽命會很大程度縮短。同時所選功率要恰當，決不可以小于工作滿載時的比較大工作電流強度，也不要超過比較大工作電流太多。有些企業(yè)讓1000A的整流器為只需要l00～200A電流的鍍種工作，造成資源的浪費。還有些企業(yè)則讓需要300A以上電流強度的鍍種采用實際只有100A出力的脈沖電流供電，結果是經常發(fā)生整流器燒壞的事件，這都是選型不當?shù)慕Y果。 </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﹐經電極反應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過以下三個步驟﹕ </p> <p> 液相傳質﹕鍍液中的水化金屬離子或絡離子從溶液內部向極界面遷移﹐到達陰極的雙電層溶液一側。 </p> <p> 電化學反應﹕水化金屬離子或絡離子通過雙電層﹐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> 電結晶﹕金屬原子沿金屬表面擴散到結晶生長點﹐以金屬原子態(tài)排列在晶格內﹐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**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)﹐的電沉積結果是不一樣的。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、導通電流的作用。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="奉化區(qū)正規(guī)電鍍設備,電鍍設備" src="http://tyunfile.71360.com/UploadFile/nbyhjx/637229900917861328/1643900.jpg"></div><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準含金溶液來補充.鍍鉻陽極使用純鉛，鉛-錫合金，鉛-銻合金等不溶性陽極。電鍍需要一個向電鍍槽供電的低壓大電流電源以及由電鍍液、待鍍零件(陰極)和陽極構成的電解裝置。奉化區(qū)正規(guī)電鍍設備</p><p style="text-indent:25px">電鍍層比熱浸層均勻，一般都較薄，從幾個微米到幾十微米不等。奉化區(qū)正規(guī)電鍍設備</p><p> 像加熱器這類輔助設備，有時是被納入低值易耗品管理。像電燈泡一樣，隨壞隨換。是不是加熱器產品質量有問題?這當然是有的，有些加熱器產品確實存在質量問題。不僅壽命短，而且還發(fā)生漏電等問題。這在采購時就要加以杜絕。 </p> <p> 使用中的損壞是大量的，**常見是超時升溫和液位不足導致的局部空燒，使結點處過熱而損壞。而使用不當也就是管理不當?shù)慕Y果。 </p> <p> 過濾機的損壞也很大程度上是使用不當引起的，當然也有產品質量和設計壽命的問題。但是即使是進口的高技術設備，使用和管理不當，其壽命也會下降。所以加強對輔助設備的管理，要像對主要設備一樣，建立考核制度。在規(guī)定的使用壽命內出現(xiàn)損壞的要分析原因進行相應的問責制。這樣一來，就可以提高輔助設備的使用效率和壽命，從而提高電鍍生產管理的整體水平。奉化區(qū)正規(guī)電鍍設備</p><p style="text-indent:25px">余姚市琰昊機械廠是一家電鍍設備、噴涂設備、環(huán)保廢氣設備、烘箱烘道、塑料電鍍等產品，機械設備、五金件的制造、加工。余姚市琰昊機械廠是電鍍設備、噴涂設備、環(huán)保廢氣設備、烘箱烘道、塑料電鍍等產品專業(yè)生產加工的公司，擁有完整、科學的質量管理體系。余姚市琰昊機械廠的誠信、實力和產品質量獲得業(yè)界的認可。歡迎各界朋友蒞臨參觀、指導和業(yè)務洽談。的公司，是一家集研發(fā)、設計、生產和銷售為一體的專業(yè)化公司。琰昊機械廠作為電鍍設備、噴涂設備、環(huán)保廢氣設備、烘箱烘道、塑料電鍍等產品，機械設備、五金件的制造、加工。余姚市琰昊機械廠是電鍍設備、噴涂設備、環(huán)保廢氣設備、烘箱烘道、塑料電鍍等產品專業(yè)生產加工的公司，擁有完整、科學的質量管理體系。余姚市琰昊機械廠的誠信、實力和產品質量獲得業(yè)界的認可。歡迎各界朋友蒞臨參觀、指導和業(yè)務洽談。的企業(yè)之一，為客戶提供良好的龍門電鍍線，環(huán)形電鍍線，鋁氧化生產線，廢氣處理設備。琰昊機械廠繼續(xù)堅定不移地走高質量發(fā)展道路，既要實現(xiàn)基本面穩(wěn)定增長，又要聚焦關鍵領域，實現(xiàn)轉型再突破。琰昊機械廠始終關注自身，在風云變化的時代，對自身的建設毫不懈怠，高度的專注與執(zhí)著使琰昊機械廠在行業(yè)的從容而自信。</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/2750868.html</p></div></div></div></div></div><div id="992vn34" class="page-right twoColRt"><div id="uskhrvc" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="b8jdasu" class="recomPic likePro"><a href="http://www.cdcfah.com/cp/814588.html"><div><img 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