The challenge to the plating process of ion plating decorative film by surface decoration treatment of workpiece

The challenge to the plating process of ion plating decorative film by surface decoration treatment of workpiece

Stainless steel substrates are usually subjected to a variety of surface art treatments, such as polishing, drawing, sandblasting, etc., before ion plating. Although these treatments can improve the beauty of the product, they can also bring some problems. For example, polishing operations can leave behind hardened polishing wax that is difficult to remove; Nylon wheel wire drawing will leave it difficult to find polymer compounds on the drawing groove; After sandblasting, ceramic sand, glass sand, etc., may be embedded in the surface. If these pollutants can not be removed completely, it will lead to problems of spark, false adhesion of the coating, falling film, and color inequality in the process of ion plating. Due to the ion plating product design approach often a variety of combinations, traditional ultrasound to oil dewaxing method is difficult to meet the demand of cleaning. Therefore, it is necessary to adjust the cleaning process and choose the right cleaning method for different pollution, such as mechanical cleaning, gas phase cleaning, vacuum heating and then cleaning. In addition, the newly emerged plasma polishing method shows good results in cleaning before plating, which is worthy of attention.

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