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鋼鋁共線涂裝前處理關鍵技術研究
文章作者admin: 時間:2022-07-08 09:02

鋼鋁共線涂裝前處理關鍵技術研究

吳吉霞,侯 域,王 林

(安徽江淮汽車集團股份有限公司技術中心,合肥 230601

 

摘要:隨著汽車輕量化技術的發展,汽車設計選材逐漸加大鋁合金等輕量化材料的使用,這對涂裝工藝設計、工藝管理和質量管控等方面均提出了全新的挑戰和要求,尤其是對涂裝前處理工藝設計、材料選型、工藝參數管控、質量管理等方面提出了新的要求。本文重點介紹了鋼鋁共線涂裝生產線的兩種前處理工藝技術,從工藝角度,重點介紹了脫脂、表調和磷化等關鍵工藝要求和管理要點,并對無磷轉化薄膜前處理工藝進行了對比闡述,同時對鍍鋅鋼板和鋁合金板材分別經過磷化和無磷轉化薄膜前處理方法對應的電泳涂膜配套性進行了分析和研究。

關鍵詞鋼鋁共線;鋼鋁面積比;前處理;涂裝性能

 

Research on key technology of pretreatment for steel aluminum collinear coating

 

WU Ji-xia,HOU Yu,WANG Lin

(Technological Centre,Anhui,Jianghuai Automobile Co.,Ltd., Hefei,230601,China)

 

AbstractWith the development of automobile lightweight technology, the use of aluminum alloy and other lightweight plates is gradually increased in automobile design, which puts forward new challenges and requirements for coating process design, process management and quality control, especially for coating pretreatment process design, material selection, process parameter control and quality management. This paper mainly introduces two kinds of pretreatment technology of steel aluminum collinear coating production line. From the process point of view, it mainly introduces the key process requirements and management points such as degreasing, surface blending and phosphating, and compares the pretreatment process of phosphorus free conversion film, and at the same time, the corresponding electrophoresis of phosphating and phosphorus free conversion film pretreatment methods for galvanized steel sheet and aluminum alloy plate is carried out The compatibility of the coating was analyzed and studied.

Key words: Steel aluminum collinear, steel aluminum area ratio, pretreatment, coating performance



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