電(dian)(dian)泳涂(tu)(tu)(tu)裝是把工(gong)件和對應的電(dian)(dian)極(ji)放入水溶(rong)性涂(tu)(tu)(tu)料(liao)(liao)中(zhong),接上電(dian)(dian)源后(hou),依靠電(dian)(dian)場所產生的物理化學作用,使涂(tu)(tu)(tu)料(liao)(liao)中(zhong)的樹脂(zhi)、顏填料(liao)(liao)在以被涂(tu)(tu)(tu)物為電(dian)(dian)極(ji)的表面上均勻析出(chu)沉積形成(cheng)不溶(rong)于水的漆膜的一種(zhong)涂(tu)(tu)(tu)裝方法。
(1)采用水溶(rong)性涂料,以(yi)水為溶(rong)解(jie)介(jie)質,節省了(le)(le)(le)大(da)(da)(da)量(liang)有機溶(rong)劑,大(da)(da)(da)大(da)(da)(da)降低(di)了(le)(le)(le)大(da)(da)(da)氣污(wu)染和(he)環境(jing)危害,安(an)全衛生,同時(shi)避免(mian)了(le)(le)(le)火災的(de)隱患(huan);
(2)涂(tu)裝效率高(gao),涂(tu)料損失小,涂(tu)料的利用率可達90%~95%;
(3)涂(tu)膜(mo)(mo)厚(hou)度均(jun)勻,附著力強,涂(tu)裝質(zhi)量好,工(gong)(gong)件各個部(bu)位如內層、凹陷、焊(han)縫等(deng)處都(dou)能獲(huo)得(de)均(jun)勻、平滑的漆膜(mo)(mo),解(jie)決了其(qi)他涂(tu)裝方法對復雜形(xing)狀工(gong)(gong)件的涂(tu)裝難題;
(4)生產(chan)效率高(gao),施工可(ke)實現(xian)自動化連續生產(chan),大大提(ti)高(gao)勞動效率;
(5)設備復雜,投資費(fei)用高,耗(hao)電量大,其烘干固化要求的(de)溫度較高,涂(tu)料、涂(tu)裝的(de)管(guan)理復雜,施(shi)工(gong)條件嚴格,并需進行(xing)廢(fei)水處理;
(6)只能采用水溶性涂(tu)料(liao),在涂(tu)裝過程中不能改變顏色,涂(tu)料(liao)貯存(cun)過久穩定性不易控制(zhi)。
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