山東電泳加工有哪些優勢和局限性?
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發布時間 : 2019-02-17
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電泳加工(gong)(gong)(gong)的質(zhi)量要求,構成其表(biao)面處(chu)理工(gong)(gong)(gong)序(xu)(xu)的主(zhu)要有五個(ge),包括脫脂除銹-水洗-表(biao)調-磷化-水洗。脫脂除銹是表(biao)面處(chu)理工(gong)(gong)(gong)藝當(dang)(dang)中(zhong)重要的一道(dao)工(gong)(gong)(gong)序(xu)(xu),不僅是因為此工(gong)(gong)(gong)序(xu)(xu)的處(chu)理成本是整個(ge)表(biao)面處(chu)理工(gong)(gong)(gong)藝當(dang)(dang)中(zhong)較大(da)的一個(ge)工(gong)(gong)(gong)序(xu)(xu),對于(yu)整個(ge)涂裝成本的影響很(hen)重要。
山東(dong)電泳加工產品一般要需要用硫酸洗一次再來上掛,然后再把二合一藥水加重,在電貨之前多倒幾桶到處理糟去,這樣就可以節約前處理時間了。還就有是,油漆濃度要到位,小鐵件掛得多了,油漆濃度達不到15-18個點的話容易出現麻點,所以一般電泳的烤箱數多的話要記得保持油漆的濃度。鍍鋅板電泳的時候要把表層的鋅除去才行,否則有的不導電,有的表面像蜂窩。這個鍍鋅層要鹽酸才可以除,可以先除,也可以掛起來才除。
電(dian)(dian)泳(yong)(yong)加工(gong)僅適(shi)用(yong)(yong)于具有導電(dian)(dian)性的(de)被涂(tu)(tu)(tu)物涂(tu)(tu)(tu)底漆。如木材、塑料、布等無導電(dian)(dian)性的(de)物件不(bu)能(neng)采用(yong)(yong)這(zhe)種(zhong)涂(tu)(tu)(tu)裝(zhuang)方法。由(you)多種(zhong)金屬組合成(cheng)的(de)被涂(tu)(tu)(tu)物,如電(dian)(dian)泳(yong)(yong)特(te)性不(bu)一樣,也(ye)不(bu)宜采用(yong)(yong)電(dian)(dian)泳(yong)(yong)涂(tu)(tu)(tu)裝(zhuang)工(gong)藝(yi)(yi)。不(bu)能(neng)耐高溫的(de)被涂(tu)(tu)(tu)物,也(ye)不(bu)能(neng)采用(yong)(yong)電(dian)(dian)泳(yong)(yong)涂(tu)(tu)(tu)裝(zhuang)工(gong)藝(yi)(yi),在國外已開發成(cheng)功在120℃、150℃下烘(hong)干的(de)電(dian)(dian)泳(yong)(yong)涂(tu)(tu)(tu)料。
電(dian)泳涂(tu)裝對顏色有限定(ding)要(yao)求的(de)涂(tu)裝不(bu)宜采用電(dian)泳涂(tu)裝,變(bian)化(hua)涂(tu)抹(mo)的(de)顏色需(xu)分槽涂(tu)裝。對小批(pi)量生產場合也不(bu)宜推薦(jian)采用電(dian)泳涂(tu)裝,因槽液的(de)更新速度太慢(man),槽液中的(de)樹脂老化(hua)和溶劑含(han)量的(de)變(bian)動大(da),而使(shi)槽液不(bu)穩定(ding)。