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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>蘇州鍍鋅合金多少錢,電鍍鋅鎳合金</p><p><span>***更新：</span>2021-02-07 09:13:39</p><p><span id="click" >瀏覽次數(shù)：15次</span></p><a rel="nofollow" class="button">聯(lián)系我們</a></div></div><div id="aofw7ws" 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(hào)</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="03fbfbc" class="page-proshow02"><p class="title">詳細(xì)說(shuō)明</p><div id="6rag33z" class="box"><p><p style="text-indent:25px">電鍍鋅金屬或構(gòu)件的使用條件和使用壽命與電鍍層厚度有著密切的關(guān)系，使用條件越嚴(yán)格和使用壽命越長(zhǎng),所要求的電鍍鋅層應(yīng)越厚。不同的產(chǎn)品,要根據(jù)使用的具體環(huán)境(溫度、濕度、降雨、大氣成分等)確定預(yù)期的使用壽命的電鍍層厚度,盲目的加厚會(huì)造成各種浪費(fèi).但如果厚度不足,又會(huì)達(dá)不到預(yù)期的使用壽命要求不同的生產(chǎn)廠家,依據(jù)自己設(shè)備狀況,在確定鍍種的情況下,要編制一套較完整合理的工藝流程，蘇州鍍鋅合金多少錢,明確電鍍參數(shù)，蘇州鍍鋅合金多少錢，蘇州鍍鋅合金多少錢,控制電鍍液濃度,進(jìn)行規(guī)范操作。鍍鋅層的顏色是由鈍化工藝決定的。蘇州鍍鋅合金多少錢</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="蘇州鍍鋅合金多少錢,電鍍鋅鎳合金" src="https://tyunfile.71360.com/UploadFile/shhxdd/637339477004326172/4417783.png"></div><p style="text-indent:25px">鑄鐵件酸性電鍍鋅鎳合金工藝：工藝流程：超聲波清洗─水洗─熱浸除油─水洗─酸洗─水洗─超聲波清洗─水洗─電解除油─水洗─40%(體積分?jǐn)?shù))鹽酸活化─水洗─電鍍─水洗─2%(體積分?jǐn)?shù))硝酸出光─水洗─鈍化─水洗─封閉─流平─干燥。鍍前處理：（1）超聲波清洗，超聲波清洗利用強(qiáng)大的沖擊波能滲透到工件表面孔隙里，使鑄鐵件表面徹底清洗干凈。（2）熱浸除油，熱浸除油直接決定了鑄鐵件前處理和電鍍的成敗，因?yàn)樗岷退寂c油脂表面不相容，除油不徹底不僅會(huì)導(dǎo)致后續(xù)酸洗失敗，而且會(huì)形成不均勻的潤(rùn)濕表面，造成電鍍?nèi)毕荨|高鹽霧試驗(yàn)的鍍鋅鎳合金電鍍鋅要注意電鍍的工藝流程跟所有表面處理的工藝一樣。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="蘇州鍍鋅合金多少錢,電鍍鋅鎳合金" src="https://tyunfile.71360.com/UploadFile/shhxdd/637339477014921875/8154120.png"></div><p style="text-indent:25px">電鍍鋅鎳合金制作方法：(1)鎳絡(luò)合劑的制備：將各組分溶于水中，定容攪拌均勻即可。(2)鋅絡(luò)合劑的制備：將各組分溶于水中，定容攪拌均勻即可；(3)光亮劑的制備：將各組分溶于水中，定容攪拌均勻即可。(4)走位劑的制備：將各組分溶于水中，定容攪拌均勻即可。(5)鎳源的制備：將硫酸鎳加入600g水中，加熱至60～65℃，加入2～6g活性炭，攪拌均勻后靜置1～2h后過(guò)濾，直至鍍液中不含活性炭顆粒為止，加水定容，攪拌均勻即可。(6)堿性鋅鎳合金鍍液的制備：①鎳補(bǔ)充劑的配制，將鎳源與鎳絡(luò)合劑加入適量水中混合均勻得鎳補(bǔ)充劑備用;②向容器中加入所需體積50%的水，加入氫氧化鈉，攪拌使其溶解后加入氧化鋅，繼續(xù)攪拌至少8h以上;③待氧化鋅完全溶解后，依次加入鋅絡(luò)合劑、鎳補(bǔ)充劑、光亮劑、走位劑，攪拌使其混合均勻;④補(bǔ)充水至所需體積，開(kāi)始試鍍。</p><p style="text-indent:25px">鍍鋅加工的基本概念：1、鍍鋅加工的原理。由于鋅在干燥空氣中不易變化，而在潮濕的空氣中，表面能生成一種很致密的碳酸鋅薄膜，這種薄膜能有效保護(hù)內(nèi)部不再受到腐蝕。并且當(dāng)某種原因使鍍層發(fā)生破壞而露出不太大的基體時(shí)，鋅與鋼基體形成微電池，使緊固件基體成為陰極而受到保護(hù)。在汽車運(yùn)輸?shù)刃袠I(yè)中應(yīng)用較廣，但需要的是三價(jià)鉻鈍化層、鋅鎳合金鍍封閉涂層，減少六價(jià)鉻鈍化有害、有毒層。2、鍍鋅加工的性能特點(diǎn)。鋅鍍層較厚，結(jié)晶細(xì)致、均勻且無(wú)孔隙，抗腐蝕性良好；電鍍所得鋅層較純，在酸、堿等霧氣中腐蝕較慢，鞥有效保護(hù)緊固沙件基體，鍍鋅層經(jīng)鉻酸鈍化后形成白色、彩色、軍綠色等，美觀大方，具有一定的裝飾性，由于鍍鋅層具有良好的延展性，因此可進(jìn)行冷沖、軋制、折彎等各種成型而不損壞鍍層。3、鍍鋅加工的應(yīng)用范圍。電鍍鋅所涉及的領(lǐng)域越來(lái)越多，緊固件產(chǎn)品的應(yīng)用已遍及機(jī)械制造、電子、精密儀器、化工、交通運(yùn)輸、航天等在國(guó)民經(jīng)濟(jì)中有重大意義。合金鍍層相比于純鋅鍍層具有更佳的耐蝕性。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="蘇州鍍鋅合金多少錢,電鍍鋅鎳合金" src="https://tyunfile.71360.com/UploadFile/shhxdd/637339476771845703/8505200.png"></div><p style="text-indent:25px">鍍鋅是指在金屬、合金或者其它材料的表面鍍一層鋅，可以起到美觀、防銹等作用的表面處理技術(shù)。主要采用的方法是熱鍍鋅。鋅易溶于酸，也能溶于堿，故稱它為兩性金屬。鋅在干燥的空氣中幾乎不發(fā)生變化。在潮濕的空氣中，鋅表面會(huì)生成致密的堿式碳酸鋅膜。在含二氧化硫、硫化氫以及海洋性氣氛中，鋅的耐蝕性較差，尤其在高溫高濕含有機(jī)酸的氣氛里，鋅鍍層極易被腐蝕。鋅的標(biāo)準(zhǔn)電極電位為-0.76V，對(duì)鋼鐵基體來(lái)說(shuō)，鋅鍍層屬于陽(yáng)極性鍍層，它主要用于防止鋼鐵的腐蝕，其防護(hù)性能的優(yōu)劣與鍍層厚度關(guān)系甚大。鋅鍍層經(jīng)鈍化處理、染色或涂覆護(hù)光劑后，能提高其防護(hù)性和裝飾性。電鍍加工中常見(jiàn)的兩個(gè)故障：一、電鍍鍍前處理不當(dāng)，二、熱處理加工不當(dāng)。江蘇專業(yè)合金鍍鎳</p><p style="text-indent:25px">熱鍍鋅的鋅與鎳合金的配比是多少？蘇州鍍鋅合金多少錢</p><p style="text-indent:25px">鍍鋅可以分為**物鍍鋅，氯化鉀鍍鋅，堿性鋅鹽鍍鋅，硫酸鹽鍍鋅等。電鍍鋅工藝影響因素：電流密度對(duì)鍍鋅產(chǎn)品的外觀和耐蝕都有重要的影響。電流密度越高，電鍍層的腐蝕電位越高，腐蝕速率降低，耐蝕性增強(qiáng)。體系鍍液是影響鍍鋅品質(zhì)好壞的另一個(gè)非常重要的因素，不同的體系要考慮濃度的配比，溫度，PH等。另外，伴隨材料發(fā)展出現(xiàn)一些新材料的鍍鋅方法，比如各種合金、納米結(jié)構(gòu)的鋅。所謂鋅合金，是指電鍍合金中以鋅為主要金屬，其含量要在51%以上(質(zhì)量百分?jǐn)?shù))。除此之外，還含有一種或幾種其他金屬。例如:鋅鎳合金(含鎳l0%左右)、鋅鐵合金(分高鐵合金和低鐵合金，前者質(zhì)量百分?jǐn)?shù)為7%以上，而后者為<1%)、鋅銅合金(俗稱白銅，含銅質(zhì)量百分?jǐn)?shù)為15%~25%)。蘇州鍍鋅合金多少錢</p></p><br /><p>文章來(lái)源地址: 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