利用(yong)電暈放(fang)電現(xian)象使粉末涂層(ceng)吸附在工(gong)件上。包頭(tou)防(fang)風抑塵(chen)網其工(gong)(gong)藝是:粉末(mo)涂(tu)層(ceng)通(tong)過粉末(mo)供應系統通(tong)過壓(ya)(ya)縮空(kong)氣(qi)氣(qi)體進入噴槍,在(zai)噴槍前端增加(jia)高壓(ya)(ya)靜電(dian)發(fa)生器(qi),由于(yu)電(dian)暈放電(dian),在(zai)其附近產生密集的(de)電(dian)荷(he)(he),當粉末(mo)從噴嘴噴出時,形成帶電(dian)涂(tu)層(ceng)顆粒,它(ta)受(shou)到(dao)靜電(dian)的(de)影響,相反的(de)工(gong)(gong)作部(bu)件,隨著噴霧粉末(mo)的(de)增加(jia),電(dian)荷(he)(he)積(ji)累(lei)越多,當達到(dao)厚度時,由于(yu)靜電(dian)排斥(chi),它(ta)不會繼續吸附,使(shi)(shi)整個工(gong)(gong)件獲得厚度的(de)粉末(mo)涂(tu)層(ceng),然(ran)后(hou)在(zai)高溫下使(shi)(shi)粉末(mo)熔化(hua)、找平、固(gu)化(hua),即在(zai)工(gong)(gong)件表面形成硬涂(tu)層(ceng)。
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