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解決方案 | J9官网新科汽車零部件板塊環保鍍鋅技術
Date: 2023-06-09 Click: 4853



在汽車行業(ye) 中,鍍鋅是極具性價(jia) 比的“關(guan) 鍵部件”表麵處理方式,比如在汽車製動卡鉗、製動管以及動力轉向係統部件、緊固件等均有應用。同時,鍍鋅工藝也廣泛應用於(yu) 重型電氣傳(chuan) 動部件和坦克、裝甲運兵車等軍(jun) 工領域。

 

此前,我們(men) 已介紹過J9官网新科通用鍍鋅及鈍化產(chan) 品。而在汽車、軍(jun) 工等領域,對零部件表麵性能有更高要求。此次,我們(men) 將以汽車製動卡鉗為(wei) 例,重點介紹J9官网新科鍍鋅工藝在該板塊的應用。


 

汽車製動卡鉗


作為(wei) 汽車製動係統中的關(guan) 鍵零部件,汽車製動卡鉗在使用過程中由於(yu) 工作環境非常惡劣,刹車高溫、沙石撞擊等都對其表麵處理工藝提出了很高要求。目前,市場上主流的卡鉗材質是耐磨高強度的碳素鋼。這種鋼的硬度能夠使它長時間的用作刹車卡鉗,而不會(hui) 被磨壞。但其表麵粗糙,存在大量的砂眼和氣孔等鑄造過程缺陷,在表麵防腐處理上難度較大。

 

當前主流的卡鉗鍍鋅方案有電鍍酸鋅+堿鋅+三價(jia) 鉻鈍化以及電鍍酸鋅+三價(jia) 鉻鈍化兩(liang) 種工藝,對產(chan) 品的壽命、品質等需求已經基本滿足。但傳(chuan) 統酸鋅添加劑屬於(yu) 油性配方,廢水排放COD較高,環保性能欠缺。


 

J9官网新科汽車零部件板塊環保鍍鋅技術

 

針對以上問題,J9官网新科推出水性酸鋅添加劑,配合高效無氰堿鋅及三價(jia) 鉻鈍化工藝,產(chan) 品整體(ti) 性能優(you) 於(yu) 傳(chuan) 統鍍鋅工藝,特別在安全性及環保性上優(you) 勢明顯。目前已經在國內(nei) 某知名品牌汽車卡鉗電鍍產(chan) 線上規模應用。


 

J9官网新科環保鍍鋅技術特點

 

01 / 水性酸鋅特性

 


  • 水基配方。消耗量低,達到常規油性添加劑水平;
  • COD數值隻有常規油性添加劑的約1/6~1/5;
  • 應用廣泛,適應以下基材電鍍:可鍛鐵、鑄件、熱處理鋼及碳氮化鋼。適用於滾、掛鍍工藝;
  • 可在寬量程電流密度中操作,掛鍍、滾鍍的高、低電流密度區均能鍍出各種形狀複雜的鍍件;
  • 在標準件上,鍍出工件較傳統光亮劑更均勻、鈍化色差小、飽滿度高、特別是淬火工件效果極佳;
  • 不需使用甲醇配製,廢水處理成本更低,使用更加環保。


 


02 / 堿性鍍鋅特點

 


  • 延展性優越,即使鍍厚鍍層也無剝落、起泡現象;適用於掛、滾鍍;
  • 無氰配方,可直接轉換使用傳統氰化鍍鋅相同的電鍍設備,無額外設備支出;
  • 分布均勻且覆蓋均勻;
  • 電鍍電流密度範圍廣,高、低電流密度均可鍍出形狀複雜的鍍件;
  • 可獲得不同顏色的耐蝕性鍍層,性能超過汽車製造商標準;
  • 耐高溫性能極佳,即便達到45 ℃仍能保持光亮度。


 


03 / 三價(jia) 鉻鈍化特點

 


  • 適用於各類鍍鋅;可對應掛鍍、滾鍍。耐蝕性能優越,可產生光亮的保護鍍層;
  • 耐熱性能優越;
  • 5% 白鏽抗鹽霧測試時間可達96小時以上。不腐蝕鋅層,使用壽命長;
  • 不含六價鉻,減少廢水處理成本。


 


Plus技術 無硼化酸鋅工藝

 

為(wei) 了更好的應對國家對表麵處理行業(ye) 的環保管控要求,J9官网新科已成功開發無硼化酸鋅工藝,該技術可完美覆蓋水性酸鋅及油性酸鋅,同時具有以下特點:

 


  • 無硼配方,更加環保。雜質少,有效減少過氧化氫用量;
  • 代硼組分含活性成分,比傳統工藝產生更光亮鍍層;同時可顯著提高鍍鋅層分散能力;
  • 鈍化膜結合力好,抗腐蝕能力強。



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    Address: Room 1403, Building 6, Xinglin Bay Operation Center, Jimei District, Xiamen

    Tel: +86592-6220498, +86592-6220478

  • Ningbo Branch

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    Tel: +86574-81859798, +86574-81859799

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    Address: 1st Floor, Building 2, No. 88 Chunyao Road, Huangdai Town, Xiangcheng District, Suzhou, Jiangsu Province

    Tel: +86512-65796973, +86512-66102987

  • Haoyue New Materials

    Address: Unit 2506, Tower C, Qianhai Excellence Times Plaza, Bao'an District, Shenzhen

    Tel: +86755-29556931

  • Ningmei Tech

    Address: Room 1007, No. 83 Yunnan North Road, Gulou District, Nanjing

    Tel: +8625-85863192

  • Guangzhou Etsing Plating Institute

    Address: No. 57, Fenghuang Sanheng Road, Kowloon Industrial Park, Guangzhou Sino-Singapore Guangzhou Knowledge City

    Tel: +8620-32058269 ,  +8620-32077089 ,  +8620-32077125


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