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噴涂生產線設備中靜電噴涂和烤漆有什么區別

發布時間:2018-10-26 09:40:43  瀏覽次數:

  我們都知道,在涂裝行業中,靜電噴涂和烤漆都是常見的噴涂工藝,并且廣泛應用于家具、五金、汽車等行業,然而,噴涂生產線設備中靜電噴(pen)涂和烤漆有什么區別呢?

  靜電噴涂是指利(li)用(yong)電(dian)暈放電(dian)原理使霧化涂(tu)(tu)料(liao)在高(gao)壓(ya)直流電(dian)場(chang)作用(yong)下荷負電(dian),并吸附于荷正電(dian)基底表面放電(dian)的(de)涂(tu)(tu)裝方法。靜(jing)電(dian)噴(pen)涂(tu)(tu)設備由噴(pen)槍、噴(pen)杯以及靜(jing)電(dian)噴(pen)涂(tu)(tu)高(gao)壓(ya)電(dian)源等組成。

  靜(jing)電噴涂(tu)是根(gen)據靜(jing)電吸引的原理,即以接(jie)(jie)地(di)的被涂(tu)物作為(wei)(wei)正極,油料霧化器(即噴杯或(huo)噴盤)接(jie)(jie)高壓電作為(wei)(wei)負極。

  要(yao)涂(tu)油(you)(you)(you)(you)的(de)(de)(de)帶(dai)(dai)(dai)鋼(gang)(gang)穿過上、下(xia)兩根噴(pen)(pen)(pen)油(you)(you)(you)(you)梁,噴(pen)(pen)(pen)油(you)(you)(you)(you)梁用(yong)特制(zhi)的(de)(de)(de)鋁合金制(zhi)成(cheng),并固(gu)定在(zai)(zai)可調節的(de)(de)(de)絕緣支(zhi)臂(bei)上。噴(pen)(pen)(pen)油(you)(you)(you)(you)梁上的(de)(de)(de)縫隙可均勻(yun)地(di)調到0.2mm,在(zai)(zai)其內(nei)部開設有油(you)(you)(you)(you)槽(cao),進油(you)(you)(you)(you)管接(jie)在(zai)(zai)中部,兩根回(hui)油(you)(you)(you)(you)管分別接(jie)在(zai)(zai)兩端。上、下(xia)噴(pen)(pen)(pen)油(you)(you)(you)(you)梁與帶(dai)(dai)(dai)鋼(gang)(gang)相(xiang)隔(ge)一定的(de)(de)(de)距離,噴(pen)(pen)(pen)油(you)(you)(you)(you)梁被設計成(cheng)油(you)(you)(you)(you)在(zai)(zai)零(ling)壓(ya)下(xia)流到噴(pen)(pen)(pen)油(you)(you)(you)(you)口。噴(pen)(pen)(pen)油(you)(you)(you)(you)梁通電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian),在(zai)(zai)噴(pen)(pen)(pen)油(you)(you)(you)(you)梁和接(jie)地(di)的(de)(de)(de)帶(dai)(dai)(dai)鋼(gang)(gang)之間產(chan)生一個高壓(ya)靜(jing)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)場,在(zai)(zai)負(fu)極(ji)(ji)產(chan)生電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)暈(yun)放電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian),使噴(pen)(pen)(pen)出的(de)(de)(de)油(you)(you)(you)(you)霧帶(dai)(dai)(dai)負(fu)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)。帶(dai)(dai)(dai)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)微(wei)粒(li)受靜(jing)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)場的(de)(de)(de)作用(yong),沿電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)力(li)線方向高效、均勻(yun)地(di)吸附到穿過的(de)(de)(de)帶(dai)(dai)(dai)鋼(gang)(gang)上,呈現獨特的(de)(de)(de)“環抱效果”。靜(jing)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)噴(pen)(pen)(pen)涂(tu)也可采用(yong)正極(ji)(ji)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)暈(yun)放電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian),但負(fu)極(ji)(ji)性電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)暈(yun)放電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)的(de)(de)(de)臨界電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)壓(ya)(起始電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)壓(ya))較正極(ji)(ji)性電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)暈(yun)放電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)低,較為穩定,安(an)全且不(bu)易產(chan)生火花。

  烤(kao)漆(qi),在(zai)家(jia)具制(zhi)造中(zhong)新興的一種噴(pen)漆(qi)制(zhi)作方(fang)(fang)法(工(gong)藝)。其方(fang)(fang)法是:在(zai)打磨到(dao)一定粗糙程度的基(ji)底上(通常是高(gao)密度板材),噴(pen)上若干層油漆(qi)。并(bing)經高(gao)溫烘烤(kao)定型。 該工(gong)藝目前對油漆(qi)要求較高(gao),顯色性好。

  烤(kao)(kao)(kao)漆(qi)(qi)需要在烤(kao)(kao)(kao)漆(qi)(qi)房當中進行。烤(kao)(kao)(kao)漆(qi)(qi)的(de)(de)(de)(de)(de)(de)(de)主要動(dong)力是(shi)來(lai)源(yuan)于外(wai)部(bu)的(de)(de)(de)(de)(de)(de)(de)空(kong)(kong)氣,外(wai)部(bu)的(de)(de)(de)(de)(de)(de)(de)空(kong)(kong)氣通過(guo)(guo)(guo)(guo)初級(ji)的(de)(de)(de)(de)(de)(de)(de)過(guo)(guo)(guo)(guo)濾網(wang),由(you)風(feng)機送到(dao)了房屋(wu)的(de)(de)(de)(de)(de)(de)(de)頂部(bu),在經(jing)過(guo)(guo)(guo)(guo)頂部(bu)的(de)(de)(de)(de)(de)(de)(de)過(guo)(guo)(guo)(guo)濾網(wang)過(guo)(guo)(guo)(guo)濾過(guo)(guo)(guo)(guo)后然后再進入到(dao)房屋(wu)之(zhi)內,這(zhe)樣可以使(shi)得房屋(wu)內的(de)(de)(de)(de)(de)(de)(de)空(kong)(kong)氣是(shi)經(jing)過(guo)(guo)(guo)(guo)凈化(hua)(hua)的(de)(de)(de)(de)(de)(de)(de),不(bu)含(han)有任(ren)何的(de)(de)(de)(de)(de)(de)(de)顆粒(li)物(wu)。外(wai)部(bu)進入的(de)(de)(de)(de)(de)(de)(de)空(kong)(kong)氣含(han)有了一(yi)定(ding)的(de)(de)(de)(de)(de)(de)(de)壓力,可以使(shi)得烤(kao)(kao)(kao)漆(qi)(qi)物(wu)品的(de)(de)(de)(de)(de)(de)(de)周圍,有一(yi)定(ding)的(de)(de)(de)(de)(de)(de)(de)恒溫氣流,從而能(neng)夠最大限度地(di)保(bao)證噴漆(qi)(qi)的(de)(de)(de)(de)(de)(de)(de)質量,靠近時可以將風(feng)門(men)調(diao)到(dao)烤(kao)(kao)(kao)漆(qi)(qi)的(de)(de)(de)(de)(de)(de)(de)位置,然后進行熱風(feng)循環,烤(kao)(kao)(kao)房內的(de)(de)(de)(de)(de)(de)(de)溫度,會(hui)(hui)迅速(su)的(de)(de)(de)(de)(de)(de)(de)提升(sheng)。通過(guo)(guo)(guo)(guo)外(wai)部(bu)新鮮(xian)空(kong)(kong)氣的(de)(de)(de)(de)(de)(de)(de)注(zhu)入,將風(feng)能(neng)轉化(hua)(hua)為了熱能(neng),作為烤(kao)(kao)(kao)漆(qi)(qi)的(de)(de)(de)(de)(de)(de)(de)加熱使(shi)用,通過(guo)(guo)(guo)(guo)對時間(jian)的(de)(de)(de)(de)(de)(de)(de)設定(ding),當烤(kao)(kao)(kao)漆(qi)(qi)的(de)(de)(de)(de)(de)(de)(de)金屬(shu)物(wu)件(jian),經(jing)過(guo)(guo)(guo)(guo)不(bu)斷(duan)的(de)(de)(de)(de)(de)(de)(de)烘烤(kao)(kao)(kao)之(zhi)后,到(dao)達設定(ding)的(de)(de)(de)(de)(de)(de)(de)時間(jian),烤(kao)(kao)(kao)漆(qi)(qi)房就會(hui)(hui)自動(dong)關機,烤(kao)(kao)(kao)漆(qi)(qi)的(de)(de)(de)(de)(de)(de)(de)過(guo)(guo)(guo)(guo)程也完成了。


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