日韩av在线精品一区二区三区,日本偷拍中文字幕电影,精品日本韩国一区二区三区,人妻露脸国语对白字幕

靜電粉末噴涂設(shè)備銷售供應(yīng):家電粉末涂裝前處理工藝

靜電粉末噴涂設(shè)備銷售供應(yīng):家電粉末涂裝前處理工藝

(1)飲水機(jī)殼體的涂裝前處理工藝

熱水洗(30s,50~65 ℃ ) → 預(yù)脫脂(60s,50~65 ℃)→脫脂(150s,50~65 ℃) →水洗1(直排)→水洗1[30s,室溫(RT)]→水洗2(30s,RT)→新鮮水直噴→表調(diào)(30s,RT)→磷化(150s,50~60 ℃)→水洗3(30s,RT)→水洗4(30s,RT)→新鮮純水直噴。

靜電粉末噴涂設(shè)備銷售供應(yīng)

(2)空調(diào)器殼體涂裝前處理工藝

熱水洗(40s,50~65 ℃) →預(yù)脫脂(80s,50~65℃ ) →脫脂(120s,50~65℃ ) →水洗1(45s,RT)→水洗2(50s,RT)→新鮮水直噴→表調(diào)(45s,RT)→磷化(150s,38~45 ℃) →水洗3(45s,RT)→水洗4(50 s,RT)→純水洗(50s,RT)→新鮮純水直噴。

(3)一種特殊的涂裝前處理工藝

脫脂磷化(90s,120~140 ℃ )→水洗1(60s,120~140 ℃ )→純水噴(5s,RT)→水洗2(60s,RT)→純水噴(5s,RT)。

相關(guān)新聞

| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |