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鋁板生產廠家分享鋁板表面為何出現黑斑?

來源:http://www.fuzore.com  發布時間:2019-11-21 15:31:33  

  在鋁板的工廠或應用過程中,有時會有上面出現黑點的情況,對這種情況是怎么回事?鋁板生產廠家帶我們來分析一下。一是鋁板的材料。鋁板廠家生產的鋁板上蓋為0.5mm厚LF21鋁板。該模型的鋁板具有多種相同的材料,相似的形狀,相同的零件加工過程,以及相同的加工周期,形狀相似的零件沒有這樣的缺陷。而這并不是原材料的缺陷和造成的故障。所以在加工過程中,蓋鍍銀的一般工藝路線是:機床加件─預處理─電鍍鋅─電鍍銅─電鍍銀─涂料─浸鍍823─貯存。
  In the process of aluminum plate factory or application, sometimes there are black spots on it. What's the matter? The aluminum plate manufacturer will take us to analyze. One is the material of aluminum plate. The top cover of aluminum plate produced by aluminum plate manufacturer is LF21 aluminum plate with thickness of 0.5mm. The aluminum plate of the model has many kinds of the same materials, similar shapes, the same part processing process, and the same processing cycle. The parts with similar shapes have no such defects. This is not the defect of raw materials and the failure caused. Therefore, in the process of processing, the general process of silver plating on the cover is: machine tool add-on-pretreatment-electro-galvanizing-electro-copper-electro-silvering-coating-dip-823-storage.

鋁板生產廠家
  在電鍍鋁板的過程中,首先可能是電鍍的某些生產環節發生了變化,導致失敗。但同時加工的類似零件在生產條件沒有改變的情況下,并沒有出現這樣的故障。因此,不包括電鍍生產條件的變化。根據以往的生產經驗,鍍銀變色更常見的原因是硫元素對鍍銀層的影響。
  In the process of electroplating aluminum plate, first of all, some production links of electroplating may have changed, leading to failure. However, the similar parts processed at the same time did not have such failures when the production conditions did not change. Therefore, the change of electroplating production conditions is not included. According to previous production experience, the most common reason for discoloration of silver plating is the influence of sulfur element on silver plating layer.
  在過去,發生鍍銀后的零件沒有及時包裝和密封保存,長時間在電鍍車間和導致鍍銀層發黃。但故障件鍍銀后及時包裝并儲存在干燥的容器中,不受車間空氣氣氛的影響。在噴漆過程中,發現在封面噴漆過程中,已經有了一批維修記錄。更主要的原因是縫隙未被堵塞,讓漆霧進入,并附著在銀色涂層的表面而無法去除。為防止此類故障的發生,加工時建議用3M膠帶封好縫隙,防止油漆霧進入。
  In the past, the parts after silver plating were not packed and sealed in time, which resulted in yellow plating layer in electroplating workshop for a long time. However, the defective parts shall be timely packed and stored in dry containers after silver plating, which shall not be affected by the air atmosphere in the workshop. In the process of painting, it is found that a batch of maintenance records have been made in the process of painting the cover. The main reason is that the gap is not blocked, allowing the paint mist to enter and adhere to the surface of the silver coating. In order to prevent this kind of failure, it is recommended to seal the gap with 3M tape during processing to prevent paint mist from entering.
  通過這種消除方法,我們找到了問題的根本原因,我們立即采取措施消除隱患,使鋁板表面光亮如新,出廠率大大提高。http://www.fuzore.com
  Through this elimination method, we found the root cause of the problem, and we immediately took measures to eliminate the hidden dangers, so that the aluminum plate surface is bright as new, and the delivery rate is greatly increased. http://www.fuzore.com

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