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電鍍工藝的電鍍分類有哪些

發布時間:2026-03-31 04:40:34 瀏覽量:23317 次
       常見的電鍍分類有:化學鍍、電鍍、電鑄和真空鍍等。
       1、電鍍就是利用電解的方式使金屬或合金沉積在工件表麵,以形成均勻、致密、結合力良好的金屬層的過程,就叫電鍍。
       2、常見的電鍍分類
       (1)化學鍍(自催化鍍) 在(zai)經(jing)活(huo)化(hua)處(chu)理(li)的(de)基(ji)體(ti)表(biao)麵(mian)上(shang),鍍(du)液(ye)中(zhong)金(jin)屬(shu)離(li)子(zi)被(bei)催(cui)化(hua)還(hai)原(yuan)形(xing)成(cheng)金(jin)屬(shu)鍍(du)層(ceng)的(de)過(guo)程(cheng)。這(zhe)是(shi)在(zai)我(wo)們(men)的(de)工(gong)藝(yi)過(guo)程(cheng)中(zhong)大(da)多(duo)都(dou)要(yao)涉(she)及(ji)到(dao)的(de)一(yi)個(ge)工(gong)藝(yi)工(gong)程(cheng),通(tong)過(guo)這(zhe)樣(yang)的(de)過(guo)程(cheng)才(cai)能(neng)進(jin)行(xing)後(hou)期(qi)電(dian)鍍(du)等(deng)處(chu)理(li),多(duo)作(zuo)為(wei)塑(su)件(jian)的(de)前(qian)處(chu)理(li)過(guo)程(cheng)。
       (2) 電鍍 利用電解在製件表麵形成均勻、致密、結(jie)合(he)良(liang)好(hao)的(de)金(jin)屬(shu)或(huo)合(he)金(jin)沉(chen)積(ji)層(ceng)的(de)過(guo)程(cheng),這(zhe)種(zhong)工(gong)藝(yi)過(guo)程(cheng)比(bi)較(jiao)煩(fan)雜(za),但(dan)是(shi)其(qi)具(ju)有(you)很(hen)多(duo)優(you)點(dian),例(li)如(ru)沉(chen)積(ji)的(de)金(jin)屬(shu)類(lei)型(xing)較(jiao)多(duo),可(ke)以(yi)得(de)到(dao)的(de)顏(yan)色(se)多(duo)樣(yang),相(xiang)比(bi)類(lei)同(tong)工(gong)藝(yi)較(jiao)而(er)言(yan)價(jia)格(ge)比(bi)較(jiao)低(di)廉(lian)。
       (3)電鑄 通過電解使金屬沉積在鑄模上製造或複製金屬製品(能將鑄模和金屬沉積物分開)deguocheng。zhezhongchulifangshishiwomenzaiyaoqiuzuihoudezhijianyouteshubiaomianxiaoguoruqingximingxiandepaoguangyushiwenfengexianhuoteshuderuijiaodengqingkuangxiashiyong,yibancaiyongtongcaizhizuoyigebujiandexingzhuanghou,tongguodiandudegongyishouduanjianghejinchenjizaiqibiaomianshang,tongchangchenjihoududadaojishihaomi,zhihoujiangxingqiangqiekai,fenbiexiangpindaomojudexingqiangzhong,zhushesujian,tongguozheyangchulidezhijianzailengjiaohejigemiandejiexianshanghuiyouteshudexiaoguo,manzushejidexuyao,tongchangwomenkandaohaoduodianduhougaoguangheshiwendianduxiaoguojiexianfenmingdesujiaojianzhiliangyaoqiujiaogaodetongchangdoucaiyongzheyangdeshouduanzuosheji。lengjiaofenmingdeanjianbanzaizhizaoshangcaiyongdianzhugongyidehua,huidadaolianghaodewaiguanxiaoguo。
       (4)真空鍍主要包括真空蒸鍍、濺jian射she鍍du和he離li子zi鍍du幾ji種zhong類lei型xing,它ta們men都dou是shi采cai用yong在zai真zhen空kong條tiao件jian下xia,通tong過guo蒸zheng餾liu或huo濺jian射she等deng方fang式shi在zai塑su件jian表biao麵mian沉chen積ji各ge種zhong金jin屬shu和he非fei金jin屬shu薄bo膜mo,通tong過guo這zhe樣yang的de方fang式shi可ke以yi得de到dao非fei常chang薄bo的de表biao麵mian鍍du層ceng,同tong時shi具ju有you速su度du快kuai附fu著zhe力li好hao的de突tu出chu優you點dian,但dan是shi價jia格ge也ye較jiao高gao,可ke以yi進jin行xing操cao作zuo的de金jin屬shu類lei型xing較jiao少shao,一yi般ban用yong來lai作zuo較jiao高gao檔dang產chan品pin的de功gong能neng性xing鍍du層ceng,例li如ru作zuo為wei內nei部bu屏ping蔽bi層ceng使shi用yong。
       3、電鍍工藝的用途:
       (1)防腐蝕
       (2)防護裝飾
       (3)抗磨損
       (4)電性能:根據零件工作要求,提供導電或絕緣性能的鍍層



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