一、如何噴金屬漆
金(jin)屬(shu)(shu)漆(qi)(qi)噴(pen)涂工(gong)藝相對(dui)于其它(ta)色漆(qi)(qi)而言復雜的多,一般(ban)采用空(kong)氣(qi)噴(pen)涂,這種工(gong)藝的特點(dian)是:首(shou)先(xian)霧噴(pen)一遍,讓其與中(zhong)涂漆(qi)(qi)能夠(gou)充分結合后,再用正常的方(fang)式噴(pen)涂金(jin)屬(shu)(shu)漆(qi)(qi),最后則是修補金(jin)屬(shu)(shu)漆(qi)(qi)噴(pen)涂過程中(zhong)出現的問題(ti)及缺陷。要在這里注意的是罩(zhao)光清(qing)漆(qi)(qi)第一遍最好薄噴(pen),而第二道(dao)罩(zhao)光清(qing)漆(qi)(qi)則是起到(dao)裝飾作用,所以可(ke)根據具體需求確定噴(pen)涂厚度。
金(jin)屬漆(qi)(qi)的(de)(de)(de)(de)(de)(de)噴(pen)(pen)(pen)(pen)(pen)(pen)涂(tu)(tu)(tu)(tu)(tu)(tu)方(fang)法(fa)是(shi)(shi)(shi)什么(me)(me)?以(yi)(yi)銀(yin)粉色(se)漆(qi)(qi)為(wei)例,銀(yin)粉色(se)漆(qi)(qi)噴(pen)(pen)(pen)(pen)(pen)(pen)涂(tu)(tu)(tu)(tu)(tu)(tu)分(fen)三遍(bian)(bian)(bian)噴(pen)(pen)(pen)(pen)(pen)(pen)涂(tu)(tu)(tu)(tu)(tu)(tu):第(di)(di)一(yi)遍(bian)(bian)(bian)噴(pen)(pen)(pen)(pen)(pen)(pen)涂(tu)(tu)(tu)(tu)(tu)(tu)時(shi)只需如(ru)薄霧般的(de)(de)(de)(de)(de)(de)薄噴(pen)(pen)(pen)(pen)(pen)(pen)涂(tu)(tu)(tu)(tu)(tu)(tu)即可(ke)(ke),目(mu)的(de)(de)(de)(de)(de)(de)是(shi)(shi)(shi)使涂(tu)(tu)(tu)(tu)(tu)(tu)料能與中(zhong)涂(tu)(tu)(tu)(tu)(tu)(tu)涂(tu)(tu)(tu)(tu)(tu)(tu)膜結合,從(cong)而能夠確(que)認是(shi)(shi)(shi)否有魚眼(yan)等噴(pen)(pen)(pen)(pen)(pen)(pen)涂(tu)(tu)(tu)(tu)(tu)(tu)缺(que)陷的(de)(de)(de)(de)(de)(de)發(fa)生,若(ruo)在(zai)這時(shi)候發(fa)現有魚眼(yan)缺(que)陷,便需要(yao)(yao)(yao)稍(shao)微提高些(xie)空氣(qi)壓力,然后通過施(shi)工人員的(de)(de)(de)(de)(de)(de)噴(pen)(pen)(pen)(pen)(pen)(pen)涂(tu)(tu)(tu)(tu)(tu)(tu)技巧從(cong)而將(jiang)魚眼(yan)的(de)(de)(de)(de)(de)(de)缺(que)陷填平(ping)(ping)。第(di)(di)二(er)遍(bian)(bian)(bian)噴(pen)(pen)(pen)(pen)(pen)(pen)涂(tu)(tu)(tu)(tu)(tu)(tu)則(ze)是(shi)(shi)(shi)為(wei)了遮(zhe)蓋中(zhong)涂(tu)(tu)(tu)(tu)(tu)(tu)漆(qi)(qi),然后顯出面(mian)(mian)漆(qi)(qi)的(de)(de)(de)(de)(de)(de)顏(yan)色(se)。所以(yi)(yi)基本都使用(yong)(yong)單程(cheng)噴(pen)(pen)(pen)(pen)(pen)(pen)涂(tu)(tu)(tu)(tu)(tu)(tu)方(fang)式噴(pen)(pen)(pen)(pen)(pen)(pen)涂(tu)(tu)(tu)(tu)(tu)(tu),當然在(zai)此要(yao)(yao)(yao)注意在(zai)施(shi)工途中(zhong)盡可(ke)(ke)能不要(yao)(yao)(yao)產生銀(yin)粉色(se)漆(qi)(qi)的(de)(de)(de)(de)(de)(de)色(se)斑(ban)缺(que)陷,噴(pen)(pen)(pen)(pen)(pen)(pen)槍的(de)(de)(de)(de)(de)(de)噴(pen)(pen)(pen)(pen)(pen)(pen)涂(tu)(tu)(tu)(tu)(tu)(tu)速(su)度(du)(du)稍(shao)快即可(ke)(ke)。第(di)(di)三遍(bian)(bian)(bian)噴(pen)(pen)(pen)(pen)(pen)(pen)涂(tu)(tu)(tu)(tu)(tu)(tu)則(ze)是(shi)(shi)(shi)修正(zheng)第(di)(di)二(er)遍(bian)(bian)(bian)噴(pen)(pen)(pen)(pen)(pen)(pen)涂(tu)(tu)(tu)(tu)(tu)(tu)中(zhong)的(de)(de)(de)(de)(de)(de)色(se)斑(ban)和噴(pen)(pen)(pen)(pen)(pen)(pen)涂(tu)(tu)(tu)(tu)(tu)(tu)不均,從(cong)而凸顯銀(yin)粉色(se)漆(qi)(qi)的(de)(de)(de)(de)(de)(de)立體感,當然為(wei)了防(fang)止透明漆(qi)(qi)層(ceng)在(zai)噴(pen)(pen)(pen)(pen)(pen)(pen)涂(tu)(tu)(tu)(tu)(tu)(tu)時(shi)引起的(de)(de)(de)(de)(de)(de)銀(yin)粉色(se)斑(ban)的(de)(de)(de)(de)(de)(de)作用(yong)(yong),所以(yi)(yi)噴(pen)(pen)(pen)(pen)(pen)(pen)槍的(de)(de)(de)(de)(de)(de)運行(xing)速(su)度(du)(du)需要(yao)(yao)(yao)稍(shao)微加快。在(zai)噴(pen)(pen)(pen)(pen)(pen)(pen)涂(tu)(tu)(tu)(tu)(tu)(tu)完(wan)成后,大概15分(fen)鐘便可(ke)(ke)使部分(fen)溶劑揮發(fa),而涂(tu)(tu)(tu)(tu)(tu)(tu)膜也(ye)會變得(de)干(gan)燥。這時(shi)候可(ke)(ke)以(yi)(yi)用(yong)(yong)手指輕(qing)輕(qing)觸及涂(tu)(tu)(tu)(tu)(tu)(tu)面(mian)(mian),如(ru)果(guo)(guo)不粘(zhan)上顏(yan)色(se),那(nei)么(me)(me)就可(ke)(ke)以(yi)(yi)進(jin)行(xing)罩(zhao)光(guang)漆(qi)(qi)的(de)(de)(de)(de)(de)(de)噴(pen)(pen)(pen)(pen)(pen)(pen)涂(tu)(tu)(tu)(tu)(tu)(tu)。罩(zhao)光(guang)漆(qi)(qi)的(de)(de)(de)(de)(de)(de)第(di)(di)一(yi)遍(bian)(bian)(bian)噴(pen)(pen)(pen)(pen)(pen)(pen)涂(tu)(tu)(tu)(tu)(tu)(tu)切忌不可(ke)(ke)厚涂(tu)(tu)(tu)(tu)(tu)(tu),以(yi)(yi)稍(shao)許能出現光(guang)澤的(de)(de)(de)(de)(de)(de)程(cheng)度(du)(du)噴(pen)(pen)(pen)(pen)(pen)(pen)涂(tu)(tu)(tu)(tu)(tu)(tu),噴(pen)(pen)(pen)(pen)(pen)(pen)槍的(de)(de)(de)(de)(de)(de)運行(xing)速(su)度(du)(du)比普通稍(shao)快。若(ruo)第(di)(di)一(yi)遍(bian)(bian)(bian)就采用(yong)(yong)厚涂(tu)(tu)(tu)(tu)(tu)(tu)的(de)(de)(de)(de)(de)(de)方(fang)式,會使得(de)已完(wan)成的(de)(de)(de)(de)(de)(de)銀(yin)粉漆(qi)(qi)層(ceng)崩潰,也(ye)就是(shi)(shi)(shi)引起色(se)斑(ban)。第(di)(di)二(er)遍(bian)(bian)(bian)罩(zhao)光(guang)漆(qi)(qi)噴(pen)(pen)(pen)(pen)(pen)(pen)涂(tu)(tu)(tu)(tu)(tu)(tu)基本就是(shi)(shi)(shi)純粹裝飾之用(yong)(yong),所以(yi)(yi)要(yao)(yao)(yao)注意平(ping)(ping)坦性重疊地噴(pen)(pen)(pen)(pen)(pen)(pen)涂(tu)(tu)(tu)(tu)(tu)(tu)。如(ru)果(guo)(guo)采用(yong)(yong)的(de)(de)(de)(de)(de)(de)是(shi)(shi)(shi)雙程(cheng)噴(pen)(pen)(pen)(pen)(pen)(pen)涂(tu)(tu)(tu)(tu)(tu)(tu)方(fang)法(fa),那(nei)么(me)(me)噴(pen)(pen)(pen)(pen)(pen)(pen)槍在(zai)運行(xing)當中(zhong),需要(yao)(yao)(yao)保(bao)證正(zheng)常(chang)或稍(shao)慢速(su)度(du)(du)即可(ke)(ke)。
二、金屬漆噴涂的注意事項
1、噴涂金屬漆(qi)后(hou),在下一次(ci)操作之前(qian)必須(xu)除塵。
2、金屬漆(qi)主要起到覆蓋作用,切勿噴(pen)涂過厚,否(fou)則漆(qi)面顏(yan)色(se)會過暗(an)過深。
3、攪拌(ban)要(yao)均勻。金屬漆(qi)中的鋁(lv)粉等(deng)金屬顆粒(li)容易沉淀在(zai)油漆(qi)罐(guan)底(di),所以金屬漆(qi)比一般本色漆(qi)在(zai)噴(pen)涂(tu)之前更需要(yao)經過徹(che)底(di)的攪拌(ban)。
4、必須根據油(you)漆廠商提供的說明書來選擇配(pei)套的稀釋劑和相應的稀釋比例,并應正確(que)使用(yong)黏度(du)計,掌(zhang)握所需的黏度(du),以確(que)保漆面顏色符合要求。
5、噴(pen)(pen)(pen)槍(qiang)的(de)(de)(de)(de)使用。噴(pen)(pen)(pen)涂金屬漆時(shi),均勻的(de)(de)(de)(de)漆膜厚(hou)(hou)度是非常重(zhong)要(yao)(yao)的(de)(de)(de)(de)。噴(pen)(pen)(pen)嘴(zui)應以垂直角度對準噴(pen)(pen)(pen)涂表面,二者之間的(de)(de)(de)(de)距離應保(bao)持在5~20cm之間,以勻速(su)直線移動(dong)噴(pen)(pen)(pen)槍(qiang),避免以弧型的(de)(de)(de)(de)方式移動(dong)噴(pen)(pen)(pen)槍(qiang)。每次(ci)往復噴(pen)(pen)(pen)涂需(xu)要(yao)(yao)50%的(de)(de)(de)(de)重(zhong)疊區域,這樣(yang)能獲得固(gu)定的(de)(de)(de)(de)顏色。需(xu)要(yao)(yao)調整噴(pen)(pen)(pen)槍(qiang)的(de)(de)(de)(de)出漆量時(shi),可以將(jiang)噴(pen)(pen)(pen)槍(qiang)扳機扣到底,用噴(pen)(pen)(pen)槍(qiang)移動(dong)的(de)(de)(de)(de)速(su)度來增加或降低漆膜的(de)(de)(de)(de)厚(hou)(hou)度和干燥程度。
三、車用金屬漆的保養
汽(qi)車金(jin)屬漆的主要成分(fen)是鋁粉,它更容易(yi)氧化,并且(qie)容易(yi)龜裂,因(yin)此更需要定時進行維(wei)護保(bao)養(yang),汽(qi)車金(jin)屬漆的保(bao)養(yang)有(you)以(yi)下幾個步驟:
1、清(qing)洗要(yao)保持金屬漆的外表(biao)干凈(jing),僅靠擦一(yi)擦灰塵是不夠的,要(yao)注(zhu)意經(jing)常和(he)及時(shi)地清(qing)洗車輛。
2、打蠟要保(bao)持(chi)金屬漆(qi)的(de)(de)容貌,打蠟是不(bu)(bu)(bu)可少(shao)的(de)(de)。但(dan)是頻繁打蠟、干脆(cui)不(bu)(bu)(bu)打蠟以及(ji)迷信(xin)進口的(de)(de)蠟,其(qi)實都是不(bu)(bu)(bu)妥當的(de)(de)。由于各種車蠟的(de)(de)性(xing)能(neng)不(bu)(bu)(bu)同(tong),其(qi)作用與(yu)效果也不(bu)(bu)(bu)一樣,所以在選用時(shi)必須慎重。選擇不(bu)(bu)(bu)當不(bu)(bu)(bu)僅不(bu)(bu)(bu)能(neng)保(bao)護車身(shen),反而會使(shi)車漆(qi)變色(se)。一般情況下,應(ying)根(gen)據車蠟的(de)(de)作用、特點,車輛(liang)的(de)(de)新(xin)舊程度、車漆(qi)顏色(se)及(ji)車輛(liang)的(de)(de)行駛環(huan)境(jing)等(deng)因素(su)綜合(he)考(kao)慮。
3、修補專業(ye)的(de)(de)(de)(de)(de)劃痕修補對(dui)作業(ye)環境有(you)嚴格要求,因為噴(pen)漆最怕(pa)的(de)(de)(de)(de)(de)就是灰(hui)塵(chen)和(he)雜質(zhi)的(de)(de)(de)(de)(de)影響(xiang)。如果(guo)灰(hui)塵(chen)、操(cao)作工人的(de)(de)(de)(de)(de)頭屑或(huo)衣服上的(de)(de)(de)(de)(de)纖維落在車身外(wai)表面上,都(dou)會形成斑點(dian)或(huo)鼓(gu)包(bao)。
4、維護對外表噴涂油(you)漆的塑(su)料件,應使(shi)用優質的清(qing)潔劑進(jin)行清(qing)潔;上蠟時(shi)不能用力過重,防止穿透油(you)漆露出底色。
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