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噴涂工藝

裂紋漆常見的烤漆工藝問題

日(ri)期:2019-03-25作者(zhe):
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1、玻(bo)(bo)璃(li)漆(qi)(qi)(qi)(qi)(qi)(qi)(qi)的(de)裂痕(hen)過細(xi)乃至裂痕(hen)面(mian)(mian)(mian)不(bu)裂開:因(yin)(yin)(yin)為裂痕(hen)圖案設計是(shi)靠漆(qi)(qi)(qi)(qi)(qi)(qi)(qi)層勻裂而(er)展(zhan)現,因(yin)(yin)(yin)而(er)不(bu)可(ke)以(yi)一次性噴(pen)(pen)得太厚(hou),不(bu)然(ran)裂痕(hen)會細(xi)細(xi)的(de)乃至裂痕(hen)面(mian)(mian)(mian)不(bu)裂開,應(ying)當心操縱出剩余(yu)油及槍數以(yi)挑(tiao)選最(zui)好(hao)圖案設計。另(ling)外因(yin)(yin)(yin)為玻(bo)(bo)璃(li)漆(qi)(qi)(qi)(qi)(qi)(qi)(qi)對溫(wen)度(du)(du)、環境(jing)濕(shi)(shi)度(du)(du)比(bi)較比(bi)較敏感,平(ping)(ping)均氣溫(wen)太低,裂痕(hen)細(xi)微乃至不(bu)裂開;平(ping)(ping)均氣溫(wen)太高,紋(wen)路很大(da)(da)。因(yin)(yin)(yin)而(er)空(kong)氣相(xiang)對濕(shi)(shi)度(du)(du)過大(da)(da)、溫(wen)度(du)(du)過高、過低時(shi)(shi)均不(bu)適合(he)工(gong)(gong)程施工(gong)(gong),一般以(yi)溫(wen)度(du)(du)25℃,空(kong)氣濕(shi)(shi)度(du)(du)75%為宜,以(yi)防造成(cheng)欠佳實(shi)際效果(guo)。也有(you)(you)一些狀況(kuang)是(shi)因(yin)(yin)(yin)為對玻(bo)(bo)璃(li)漆(qi)(qi)(qi)(qi)(qi)(qi)(qi)的(de)基(ji)礎特(te)(te)點把握不(bu)足,在(zai)(zai)農村(cun)基(ji)層面(mian)(mian)(mian)漆(qi)(qi)(qi)(qi)(qi)(qi)(qi)工(gong)(gong)程施工(gong)(gong)時(shi)(shi)應(ying)用(yong)非(fei)硝(xiao)基(ji)類特(te)(te)點的(de)漆(qi)(qi)(qi)(qi)(qi)(qi)(qi)料(包(bao)含(han)氧化鋁(lv)粉(fen)(fen)、珠(zhu)光粉(fen)(fen)、銀(yin)粉(fen)(fen)等有(you)(you)色板(ban)塊面(mian)(mian)(mian)漆(qi)(qi)(qi)(qi)(qi)(qi)(qi))導致了(le)玻(bo)(bo)璃(li)漆(qi)(qi)(qi)(qi)(qi)(qi)(qi)沒法(fa)與面(mian)(mian)(mian)漆(qi)(qi)(qi)(qi)(qi)(qi)(qi)合(he)理融(rong)合(he)并呈(cheng)現另(ling)一裂痕(hen)特(te)(te)點。但是(shi),解決(jue)方(fang)案非(fei)常簡單,對已工(gong)(gong)程施工(gong)(gong)好(hao)的(de)非(fei)硝(xiao)基(ji)類特(te)(te)點的(de)漆(qi)(qi)(qi)(qi)(qi)(qi)(qi)料面(mian)(mian)(mian)漆(qi)(qi)(qi)(qi)(qi)(qi)(qi)(包(bao)含(han)氧化鋁(lv)粉(fen)(fen)、珠(zhu)光粉(fen)(fen)、銀(yin)粉(fen)(fen)等有(you)(you)色板(ban)塊面(mian)(mian)(mian)漆(qi)(qi)(qi)(qi)(qi)(qi)(qi))在(zai)(zai)噴(pen)(pen)漆(qi)(qi)(qi)(qi)(qi)(qi)(qi)玻(bo)(bo)璃(li)漆(qi)(qi)(qi)(qi)(qi)(qi)(qi)前先噴(pen)(pen)漆(qi)(qi)(qi)(qi)(qi)(qi)(qi)硝(xiao)基(ji)清(qing)漆(qi)(qi)(qi)(qi)(qi)(qi)(qi)1-2道(dao),等10-20分鐘(zhong)上(shang)下(視工(gong)(gong)作(zuo)溫(wen)度(du)(du)狀況(kuang)決(jue)策)待硝(xiao)基(ji)清(qing)漆(qi)(qi)(qi)(qi)(qi)(qi)(qi)處(chu)在(zai)(zai)半干的(de)情況(kuang)時(shi)(shi)馬上(shang)噴(pen)(pen)漆(qi)(qi)(qi)(qi)(qi)(qi)(qi)玻(bo)(bo)璃(li)漆(qi)(qi)(qi)(qi)(qi)(qi)(qi)1道(dao),就可(ke)以(yi)造成(cheng)裂痕(hen)實(shi)際效果(guo)。

2、裂(lie)痕(hen)(hen)尺寸不(bu)(bu)勻(yun)(yun)稱(cheng):裂(lie)痕(hen)(hen)尺寸勻(yun)(yun)稱(cheng)遭受(shou)較多(duo)要素危害,特別(bie)是在是施工(gong)(gong)隊伍對(dui)噴(pen)(pen)(pen)漆(qi)(qi)方法(fa)的把(ba)握掌握情況,這只(zhi)(zhi)有提(ti)升對(dui)施工(gong)(gong)隊伍的學習培訓(xun)和鍛練,沒有別(bie)的近(jin)道(dao)可走。但另外還要把(ba)握裂(lie)痕(hen)(hen)尺寸的基本原(yuan)理:若必須(xu)大裂(lie)痕(hen)(hen)實(shi)際(ji)效(xiao)(xiao)果(guo),則底漆(qi)(qi)層厚(hou)應(ying)厚(hou)一(yi)些,而玻璃漆(qi)(qi)也應(ying)多(duo)噴(pen)(pen)(pen)2-3次(ci),且供(gong)氣量不(bu)(bu)需(xu)很大;若必須(xu)小裂(lie)痕(hen)(hen)實(shi)際(ji)效(xiao)(xiao)果(guo),則面漆(qi)(qi)不(bu)(bu)需(xu)太厚(hou),而玻璃漆(qi)(qi)應(ying)噴(pen)(pen)(pen)薄一(yi)些,供(gong)氣量可稍大一(yi)點。但自始至終應(ying)維持噴(pen)(pen)(pen)漆(qi)(qi)的勻(yun)(yun)稱(cheng)性(xing),才(cai)可以得到勻(yun)(yun)稱(cheng)的裂(lie)痕(hen)(hen)實(shi)際(ji)效(xiao)(xiao)果(guo),特別(bie)是在是噴(pen)(pen)(pen)漆(qi)(qi)時(shi)只(zhi)(zhi)有噴(pen)(pen)(pen)漆(qi)(qi)一(yi)道(dao),理應(ying)一(yi)槍(qiang)(qiang)取得成功,不(bu)(bu)可回槍(qiang)(qiang)或(huo)補槍(qiang)(qiang),假如薄厚(hou)不(bu)(bu)勻(yun)(yun)稱(cheng)、回槍(qiang)(qiang)、補槍(qiang)(qiang)都是導致裂(lie)痕(hen)(hen)尺寸不(bu)(bu)勻(yun)(yun)稱(cheng)的問(wen)題。(在噴(pen)(pen)(pen)漆(qi)(qi)全過程中紋裂(lie)并未停止前(qian),可在裂(lie)痕(hen)(hen)上再噴(pen)(pen)(pen),以操縱(zong)裂(lie)痕(hen)(hen)尺寸,但這必須(xu)施工(gong)(gong)隊伍具(ju)備十分精湛(zhan)的技(ji)術性(xing)技(ji)巧,一(yi)般施工(gong)(gong)隊伍不(bu)(bu)提(ti)議應(ying)用(yong))。

3、裂痕裂開后車漆(qi)(qi)(qi)掉(diao)下(xia)來:因為玻(bo)璃漆(qi)(qi)(qi)的粉性(xing)大(da)、收攏性(xing)大(da),柔韌度(du)小,粘(zhan)合力差(cha),因而車漆(qi)(qi)(qi)干躁收攏后較非常容易掉(diao)下(xia)來。以便使玻(bo)璃漆(qi)(qi)(qi)牢(lao)固(gu)耐久(jiu)度(du),更(geng)為明亮美觀大(da)方,在玻(bo)璃漆(qi)(qi)(qi)晾干后,打磨拋光光滑(hua),表層消除整潔后罩(zhao)半啞光、亞光硝基清漆(qi)(qi)(qi)或聚(ju)酯漆(qi)(qi)(qi)、聚(ju)氨酯漆(qi)(qi)(qi)、雙雙組分(fen)PU上(shang)光油等。罩(zhao)光時(shi),清油漆(qi)(qi)(qi)噴涂(tu)應把握好(hao)薄噴數次(最少分(fen)二次噴涂(tu))。

施(shi)工(gong)現(xian)場(chang)有(you)(you)(you)的(de)(de)(de)施(shi)工(gong)隊伍因為對玻(bo)璃(li)漆(qi)(qi)(qi)的(de)(de)(de)基(ji)(ji)礎特(te)點欠缺(que)掌握,用一(yi)(yi)般刮(gua)(gua)刮(gua)(gua)膩子(zi)等(deng)內搭后(hou)再(zai)工(gong)程施(shi)工(gong)非硝基(ji)(ji)類(lei)特(te)點的(de)(de)(de)漆(qi)(qi)(qi)料(包含氧(yang)化鋁粉(fen)(fen)(fen)、珠光(guang)粉(fen)(fen)(fen)、銀粉(fen)(fen)(fen)等(deng)有(you)(you)(you)色板(ban)塊(kuai)面(mian)漆(qi)(qi)(qi)),導致肌(ji)底過軟,玻(bo)璃(li)漆(qi)(qi)(qi)噴漆(qi)(qi)(qi)后(hou)內部地(di)應力造成較(jiao)高的(de)(de)(de)牽扯抗壓強(qiang)(qiang)度,在(zai)收(shou)攏全過程時會將(jiang)軟肌(ji)底所有(you)(you)(you)連底翻開,導致大規模(mo)的(de)(de)(de)脫皮(pi)、脫落。但是(shi),解決(jue)方(fang)(fang)案也非常簡單(dan),不必返修再(zai)次(ci)(ci)內搭,對用一(yi)(yi)般刮(gua)(gua)刮(gua)(gua)膩子(zi)等(deng)內搭后(hou)再(zai)工(gong)程施(shi)工(gong)非硝基(ji)(ji)類(lei)特(te)點的(de)(de)(de)漆(qi)(qi)(qi)料(包含氧(yang)化鋁粉(fen)(fen)(fen)、珠光(guang)粉(fen)(fen)(fen)、銀粉(fen)(fen)(fen)等(deng)有(you)(you)(you)色板(ban)塊(kuai)面(mian)漆(qi)(qi)(qi))的(de)(de)(de)可(ke)選用聚脂面(mian)漆(qi)(qi)(qi)或聚氨酯材料面(mian)漆(qi)(qi)(qi)等(deng)封閉型較(jiao)強(qiang)(qiang)、漆(qi)(qi)(qi)層堅韌、層厚面(mian)硬的(de)(de)(de)漆(qi)(qi)(qi)料先將(jiang)原農村(cun)基(ji)(ji)層封閉式(shi)加強(qiang)(qiang)后(hou),再(zai)再(zai)次(ci)(ci)噴漆(qi)(qi)(qi)配制好的(de)(de)(de)氧(yang)化鋁粉(fen)(fen)(fen)、珠光(guang)粉(fen)(fen)(fen)、銀粉(fen)(fen)(fen)等(deng)漆(qi)(qi)(qi)1-2道,干后(hou)除灰整潔既可(ke)噴漆(qi)(qi)(qi)玻(bo)璃(li)漆(qi)(qi)(qi)1道,就(jiu)可(ke)以造成裂痕實際(ji)效果,整體面(mian)層罩漆(qi)(qi)(qi)方(fang)(fang)式(shi) 跟(gen)上面(mian)一(yi)(yi)樣。


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