電泳加工的詳細步驟不管你能不能成為電泳jiagongdekehu,douyaoqiunilejiedianyongjiagongdeyixiexiangguandaxuewenti,youqishidianyongjiagongdekehu,yinggailejieqiyunzuodequanguocheng。zhiyoucaozongzhezhongdaxueti,cainengchulifengxianheshigu。1、電解反應:2h2o 2e-= H2 = 2oh-;
2、電泳原理:RN H(C2H4OH)2:和H方向陰極練習;
3、陰極電沉積:H對陰極充放電,OH-濃度在陰極和漆液頁上升。當OH-濃度上升時(pH值可達12),漆膜會在陰極(產品工件)表麵堆積;
4、電滲:電泳加工整個過程中,漆膜堆積初期,分析顆粒(或正離子)的正電荷並沒有全部被中和、帶電和放電。沉積的漆膜結構疏鬆,含水量很高,正離子可以通過。所以電滲的作用是:再(zai)次(ci)插(cha)電(dian)時(shi),陰(yin)極(ji)表(biao)麵(mian)引(yin)起(qi)的(de)陽(yang)離(li)子(zi)通(tong)過(guo)漆(qi)膜(mo)向(xiang)陽(yang)極(ji)氧(yang)化(hua)方(fang)向(xiang)移(yi)動(dong),與(yu)漆(qi)膜(mo)表(biao)麵(mian)的(de)建(jian)築(zhu)塗(tu)料(liao)顆(ke)粒(li)結(jie)合(he),形(xing)成(cheng)新(xin)的(de)堆(dui)積(ji)漆(qi)膜(mo)。同(tong)時(shi),硬(ying)件(jian)電(dian)泳(yong)加(jia)工(gong)帶(dai)入(ru)水(shui)的(de)運(yun)動(dong),使(shi)漆(qi)膜(mo)中(zhong)的(de)水(shui)分(fen)逐(zhu)漸(jian)排(pai)出(chu)漆(qi)膜(mo)外(wai),形(xing)成(cheng)含(han)水(shui)量(liang)極(ji)低(di)、電阻高的高密度漆膜。這種漆膜可以直接在幹燥箱中幹燥,形成電泳塗層。