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onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="vtamtp4" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/shhxdd/637339476748232422/8488084.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="24vxevk" class="content"><p><span>需求數(shù)量：</span>0</p><p><span>價(jià)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>常州集成閥塊鍍鋅鎳合金表面處理加工,電鍍鋅鎳合金</p><p><span>***更新：</span>2021-02-01 12:19:37</p><p><span id="click" >瀏覽次數(shù)：3次</span></p><a rel="nofollow" class="button">聯(lián)系我們</a></div></div><div id="bpmovh9" 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(jī): </span>021-58088779</p><p><span>地址: </span>大團(tuán)鎮(zhèn)大泥公路139號</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="m23fmts" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="8jbs8np" class="box"><p><p style="text-indent:25px">熱鍍鋅要注意向鋅鍋內(nèi)加鋅時(shí)，鋅錠要先預(yù)熱，加鋅時(shí)決不允許一捆捆加鋅，加鋅每次不多于五塊，應(yīng)將鋅錠縱向貼向鋅鍋壁面緩緩劃下，以免沖擊損壞鋅鍋和濺出大量鋅傷人；鋅液內(nèi)嚴(yán)禁鐵類物質(zhì)掉入，以防產(chǎn)生大量鋅渣。熔鋅時(shí)應(yīng)緩慢加熱，常州集成閥塊鍍鋅鎳合金表面處理加工，不可燒急火，否則會(huì)有損鍍鋅鍋的壽命，而且有大量的鋅蒸汽揮發(fā)出來。這種有害氣體被人體吸入過量后，會(huì)患一種“鑄工熱”的病癥。在熔鋅過程中，常州集成閥塊鍍鋅鎳合金表面處理加工，一旦鋅已具有較高溫度切不可用手去撥動(dòng)鋅塊，以免灼傷，應(yīng)采用適當(dāng)?shù)墓ぞ呷軇?dòng)它。電鍍鋅鎳合金分類之鎳基高溫合金：主要合金元素有鉻、鎢，常州集成閥塊鍍鋅鎳合金表面處理加工、鉬、鈷、鋁、鈦、硼、鋯等。常州集成閥塊鍍鋅鎳合金表面處理加工</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="常州集成閥塊鍍鋅鎳合金表面處理加工,電鍍鋅鎳合金" src="https://tyunfile.71360.com/UploadFile/shhxdd/637339476748232422/8488084.png"></div><p style="text-indent:25px">鋼鐵作為人類社會(huì)中較重要、使用比較普遍的金屬，也是遭受腐蝕損失較為嚴(yán)重的金屬。人們針對其開發(fā)了很多防腐技術(shù)，尤以鍍Zn、Ni、Ti、Sn.Cd等及其合金具有表示性。其中電鍍鋅及其合金鍍層以其好的耐蝕性、外觀良好、鈍化后裝飾性好、成本低等優(yōu)點(diǎn)，在鋼鐵材料的防腐中得到了較為普遍的采用。鍍鋅鋼板由于其好的加工性能，抗沖壓能力和耐腐蝕能力，在汽車上的應(yīng)用非常普遍，歐美乘用車白車身鍍鋅鋼板的應(yīng)用比例高達(dá)90%，主要應(yīng)用于汽車的發(fā)動(dòng)機(jī)倉蓋、后蓋、汽車門內(nèi)板、復(fù)雜的車底板、油底殼、輪罩、前后翼子板等重要車身零件。南京鋅鎳哪家好電鍍鋅可以提高鋼鐵的耐蝕性及使用壽命。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="常州集成閥塊鍍鋅鎳合金表面處理加工,電鍍鋅鎳合金" src="https://tyunfile.71360.com/UploadFile/shhxdd/637339476726601563/4372690.png"></div><p style="text-indent:25px">鋅鎳合金電鍍層容易腐蝕，影響其使用性能，必須進(jìn)行后處理。除氫、鈍化和封閉技術(shù)的進(jìn)行：(1) 除氫為了消除高的強(qiáng)度鋼零件電鍍過程中因酸洗及滲入氫元素造成氫脆斷裂，在電鍍鋅鎳合金12h之后，采用熱風(fēng)循環(huán)電熱鼓風(fēng)干燥箱除氫:溫度190～210℃，時(shí)間為8h。(2) 鈍化150mL/LFinidip128鈍化液，pH值為2.8～3.0;溫度25～45℃，時(shí)間30～60s。(3) 封閉780～820mL/LFinigard105封閉劑，pH值8.8～9.2，溫度20～30℃，時(shí)間20～30s。在生產(chǎn)過程中，采用ISO17075:2007或DIN53314:2006方法對鈍化膜中的六價(jià)鉻進(jìn)行檢測，執(zhí)行GMW3034鍍鋅鎳層六價(jià)鉻含量的規(guī)定，零件電鍍、鈍化后放置1個(gè)月，膜層中六價(jià)鉻含量<0.01μg/cm2為合格。</p><p style="text-indent:25px">電鍍鋅鎳合金分高鎳和低鎳兩種：1高鎳的通常12-15%鎳含量，因?yàn)槿齼r(jià)鉻鈍化的需求鎳也可以到12-18%通常的都是這么一個(gè)請求，特別是汽車行業(yè)，根本都是這個(gè)規(guī)模。2低鎳的鋅鎳合金鍍層中5-10%鎳含量，這個(gè)對比少了，通常低鎳含量的鋅鎳合金鍍層除了防腐才能對比好外，鍍層的延展才能也對比好，所以會(huì)用在一些電鍍后有扣壓或拉拔需求的工件。任何的電鍍工藝包括電鍍鎳合金工藝都要一定用到若干的通用指標(biāo)，通常會(huì)分為和鍍液性能有關(guān)的指標(biāo)與鍍層性能相關(guān)的指標(biāo)。鍍液指標(biāo)是電鍍工藝當(dāng)中的主要指標(biāo)，包括鍍液的電流效率(和沉積速度有關(guān))、深鍍能力、分散能力、鍍層結(jié)晶狀態(tài)、鍍液穩(wěn)定性與可操作性(包括工藝條件的控制以及對設(shè)備有沒有特別要求)、對環(huán)境的影響、電鍍加工成本（經(jīng)濟(jì)效益）等。電鍍鋅主要用于各行業(yè)的金屬結(jié)構(gòu)設(shè)施上。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="常州集成閥塊鍍鋅鎳合金表面處理加工,電鍍鋅鎳合金" src="https://tyunfile.71360.com/UploadFile/shhxdd/637339476842617188/3624562.png"></div><p style="text-indent:25px">堿性鋅酸鹽鍍鋅-鎳添加劑的選擇，主要就是光亮劑與鎳配位劑的選擇。將簡單的鋅酸鹽堿性鍍鋅槽液，改變?yōu)殇\鎳合金鍍液。在電鍍行業(yè)內(nèi)各技術(shù)人員的共同努力下，堿性鋅酸鹽鍍鋅-鎳合金可謂是百花齊放，爭奇斗艷。經(jīng)過長時(shí)間的實(shí)驗(yàn)和探索總結(jié)出各家添加劑大體可分為以下幾大類：鎳鹽補(bǔ)充劑，光亮劑，配位劑，高區(qū)光亮劑，低區(qū)光亮劑，走位劑，整平劑，調(diào)節(jié)劑等。有的廠家推出的一套添加劑，多達(dá)六七種，這不但給廣大的電鍍生產(chǎn)廠家?guī)砹烁哳~的成本，同時(shí)為1線生產(chǎn)人員帶來了很大的操作困難性，無法很好的把握，鍍出合格的產(chǎn)品。同時(shí)也給添加劑生產(chǎn)廠家?guī)砹舜罅康氖酆蠓?wù)工作，無形中制約了其推廣的力度。就其效果而言，也可謂是參差不齊，生產(chǎn)廠家很難找到一款性價(jià)比操作性好的產(chǎn)品。電鍍鋅鎳合金在日常生活的各個(gè)領(lǐng)域都經(jīng)常見到。寧波電鍍鋅鎳合金廠</p><p style="text-indent:25px">電鍍鋅鎳合金的特點(diǎn)有：可加工性與電鍍純鋅層相當(dāng)。常州集成閥塊鍍鋅鎳合金表面處理加工</p><p style="text-indent:25px">鋅鎳合金鍍層的硬度比純鋅高，因而具有更好的耐磨性。工藝操作簡便。電鍍鋅鎳合金的工藝流程及設(shè)備與電鍍純鋅一樣，不需增加特殊的裝備。工藝流程：鍍前驗(yàn)收→除油→水洗→酸洗除銹→清洗→活化→水洗→電鍍鋅鎳合金→水洗→鈍化→水洗→干燥→分類包裝。鋅鎳合金鍍層的性質(zhì)和用途鋅和鎳對鋼鐵都有防護(hù)作用,鋅的標(biāo)準(zhǔn)電極電位=-0.76V,比鐵負(fù),對鋼鐵起陽極保護(hù)作用.鎳的標(biāo)準(zhǔn)電極電位=-0.25V,比鐵正,因而對鋼鐵不能起陽極保護(hù)作用.鋅鎳合金鍍層的電極電位為含鎳量而變,通常使用的鋅鎳合金為含鎳量7～18 %,得合金(這時(shí)鍍層的耐蝕性很高),這種鋅鎳合金鍍層對鋼鐵件來說,仍是陽極性鍍層,它能起電化學(xué)保護(hù)作用。常州集成閥塊鍍鋅鎳合金表面處理加工</p><p style="text-indent:25px">上海弘夏電鍍有限公司致力于機(jī)械及行業(yè)設(shè)備，是一家生產(chǎn)型的公司。公司自成立以來，以質(zhì)量為發(fā)展，讓匠心彌散在每個(gè)細(xì)節(jié)，公司旗下電鍍鋅鎳合金，電鍍鎳，電鍍錫，電鍍銀深受客戶的喜愛。公司注重以質(zhì)量為中心，以服務(wù)為理念，秉持誠信為本的理念，打造機(jī)械及行業(yè)設(shè)備良好品牌。上海弘夏電鍍憑借創(chuàng)新的產(chǎn)品、專業(yè)的服務(wù)、眾多的成功案例積累起來的聲譽(yù)和口碑，讓企業(yè)發(fā)展再上新高。</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/3112028.html</p></div></div></div></div></div><div id="wf82o27" class="page-right twoColRt"><div id="cq2njlp" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="bfc2r8n" class="recomPic likePro"><a href="http://www.cdcfah.com/cp/814588.html"><div><img src="http://tyunfile.71360.com/UpLoadFile/2019/11/1/14/637082168864691056_lgpj_5374157.jpg" alt="福建ZF配件哪家強(qiáng) 信息推薦自業(yè)物資供應(yīng)" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></div><p>福建ZF配件哪家強(qiáng) 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