在(zai)電(dian)泳(yong)加(jia)工(gong)中(zhong),不(bu)同(tong)材(cai)質(zhi)基(ji)材(cai)的(de)帶(dai)電(dian)特(te)性(xing)存(cun)在(zai)明(ming)顯(xian)不(bu)同(tong)。像(xiang)金(jin)屬(shu)基(ji)材(cai),例(li)如(ru)鋼(gang)鐵(tie),其(qi)本(ben)身(shen)具(ju)有(you)良(liang)好(hao)的(de)導(dao)電(dian)性(xing),在(zai)電(dian)泳(yong)過(guo)程(cheng)中(zhong),電(dian)場(chang)作(zuo)用(yong)下(xia)電(dian)子(zi)能(neng)較(jiao)容(rong)易(yi)地(di)在(zai)金(jin)屬(shu)表(biao)麵(mian)移(yi)動(dong),使(shi)金(jin)屬(shu)基(ji)材(cai)表(biao)麵(mian)能(neng)快(kuai)速(su)且(qie)均(jun)勻(yun)地(di)帶(dai)上(shang)電(dian)荷(he),從(cong)而(er)能(neng)吸(xi)附(fu)電(dian)泳(yong)漆(qi)顆(ke)粒(li)。
泰tai州zhou電dian泳yong後hou的de工gong件jian,後hou續xu處chu理li環huan節jie至zhi關guan重zhong要yao,直zhi接jie影ying響xiang塗tu膜mo的de性xing能neng和he工gong件jian的de質zhi量liang。先xian是shi清qing洗xi步bu驟zhou,電dian泳yong完wan成cheng後hou,工gong件jian表biao麵mian會hui殘can留liu一yi些xie未wei沉chen積ji的de塗tu料liao粒li子zi和he槽cao液ye,需xu要yao用yong去qu離li子zi水shui進jin行xing清qing洗xi。清qing洗xi的de目mu的de是shi除chu去qu這zhe些xie殘can留liu物wu,防fang止zhi它ta們men在zai後hou續xu幹gan燥zao過guo程cheng中zhong附fu著zhe在zai塗tu膜mo表biao麵mian,影ying響xiang塗tu膜mo的de外wai觀guan和he性xing能neng。清qing洗xi時shi要yao注zhu意yi控kong製zhi水shui的de壓ya力li和he溫wen度du,避bi免mian對dui剛gang形xing成cheng的de塗tu膜mo造zao成cheng損sun傷shang。
當(dang)過(guo)濾(lv)裝(zhuang)置(zhi)處(chu)理(li)含(han)有(you)特(te)殊(shu)顆(ke)粒(li)的(de)電(dian)泳(yong)液(ye)時(shi),容(rong)易(yi)出(chu)現(xian)堵(du)塞(sai)和(he)過(guo)濾(lv)效(xiao)率(lv)下(xia)降(jiang)的(de)問(wen)題(ti)。特(te)殊(shu)顆(ke)粒(li)可(ke)能(neng)具(ju)有(you)不(bu)規(gui)則(ze)形(xing)狀(zhuang)或(huo)粘(zhan)性(xing),容(rong)易(yi)附(fu)著(zhe)在(zai)過(guo)濾(lv)介(jie)質(zhi)上(shang),導(dao)致(zhi)過(guo)濾(lv)通(tong)道(dao)被(bei)堵(du)塞(sai),影(ying)響(xiang)電(dian)泳(yong)液(ye)的(de)正(zheng)常(chang)循(xun)環(huan)。
蘇su州zhou電dian泳yong加jia工gong麵mian對dui不bu同tong材cai質zhi的de合he金jin工gong件jian時shi,需xu要yao考kao慮lv合he金jin成cheng分fen對dui電dian泳yong效xiao果guo的de影ying響xiang。例li如ru,鋁lv合he金jin工gong件jian表biao麵mian容rong易yi形xing成cheng氧yang化hua膜mo,這zhe層ceng氧yang化hua膜mo會hui影ying響xiang電dian泳yong塗tu層ceng的de附fu著zhe力li。因yin此ci,在zai電dian泳yong前qian需xu要yao對dui鋁lv合he金jin工gong件jian進jin行xing特te殊shu的de前qian處chu理li,如ru化hua學xue轉zhuan化hua處chu理li,形xing成cheng一yi層ceng均jun勻yun、致密的轉化膜,提高塗層與工件的結合力。
電泳加工的工藝流程大致可分為以下幾個關鍵步驟。先是前處理,這一步是為了除去工件表麵的油汙、鏽跡、氧化皮等雜質,使工件表麵達到清潔、活化的狀態,通常包括脫脂、除鏽、磷化等工序,前處理的質量直接影響後續電泳塗層的質量。
電(dian)泳(yong)加(jia)工(gong)後(hou),漆(qi)膜(mo)需(xu)要(yao)經(jing)過(guo)固(gu)化(hua)形(xing)成(cheng)穩(wen)定(ding)的(de)交(jiao)聯(lian)結(jie)構(gou)。溫(wen)度(du)和(he)時(shi)間(jian)是(shi)影(ying)響(xiang)交(jiao)聯(lian)結(jie)構(gou)的(de)關(guan)鍵(jian)參(can)數(shu)。從(cong)溫(wen)度(du)方(fang)麵(mian)看(kan),在(zai)一(yi)定(ding)範(fan)圍(wei)內(nei),升(sheng)高(gao)固(gu)化(hua)溫(wen)度(du),會(hui)加(jia)快(kuai)漆(qi)膜(mo)中(zhong)樹(shu)脂(zhi)分(fen)子(zi)的(de)運(yun)動(dong)速(su)度(du),使(shi)分(fen)子(zi)間(jian)的(de)交(jiao)聯(lian)反(fan)應(ying)速(su)率(lv)提(ti)高(gao)。
suzhoudianyongjiagongzhenduibutongjinshujicai,yuchuliyouzheteshuqiexizhideyaoqiu。xianglvhejinjicai,youyuqibiaomianyishengchengyanghuamo,ruobutuoshanchulihuiyingxiangdianyongtucengfuzheli。suoyiyuchulishixujinxingruojianxingchuyou,chuqubiaomianyouwuhou,zaicaiyongzhuanmendehuaxuepaoguanghuojianshigongyi,tiaozhengyanghuamojiegou,shiqigengjunyun、致密,為後續電泳塗層提供良好基底。
電泳塗裝的工藝流程通常主要包括以下步驟:先是前處理,這一步是為了除去被塗物表麵的油汙、鏽跡、氧化皮等雜質,使被塗物表麵達到清潔、活化的狀態,以保證後續電泳塗膜的附著力和質量。
dianyongpeijiandeteshushejizaitishengdianyongxiaolvfangmianfahuizheguanjianzuoyong。yidianyongguajuweili,yixiexinxingguajucaiyongleteshudejiegousheji,nenggouzengjiagongjianyudianyongyedejiechumianji,shidianliugengjunyundifenbuzaigongjianbiaomian,congerjiakuaidianyongchenjisudu,tigaotucengdezhilianghejunyunxing。
在泰州電泳加工裏,水質是影響電泳漆液穩定性和塗層質量的重要因素。水中的雜質離子,如鈣、鎂離子,會與電泳漆中的成分發生反應,導致漆液的化學平衡被打破,使漆液穩定性下降。硬度過高的水,會使電泳漆出現凝聚、沉澱現象,影響漆液的正常使用。