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UV光油返修成本高?工藝繁瑣?使用炅盛UV返工水神馬都是浮云
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2016/10/27

 噴UV光油時因為車間環境氣溫高、濕度大導致噴出來的成品,表面出現大量的塵點,由于素材昂貴不得不進行返工,推薦使用UV返工水低價提高良率,主要提高UV返工UV層與UV層的附著力。由于市場上的UV體系繁多,所以購買時需選擇一款與UV性能相匹配的UV返工水。本品低揮發,無刺激,基本無氣味。

操作工藝流程:

(1)、涂裝工藝流程:(不良品→不良打磨)工件表面的清潔→噴涂UV返工水(膜厚為3-5μm)→65°烤箱烘烤5min→翻噴UV光油→IR流平(60±10℃×4~6min)→UV固化(700±100mj/cm2)→檢驗,成品。

(2)、施工粘度:8±1秒(巖田2#杯)    

(3)、施工氣壓:3-4Kg/cm2

噴UV光油時除了容易引起塵點不良率問題之外還會導致光澤度不高,具體因素如下:

1. 產品品質問題:選用了非高光澤的產品、批次波動等,不同的UV油,光澤相差很大;
2. 配套產品的問題:底油太軟,紙張太粗糙,噴粉量大或顆粒粗糙,油墨不平滑等。

3.施工工藝的問題:涂層太薄,加入稀釋劑過多,施工黏度調整不合適,產生輥痕等。


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