Ob lub caij nplooj ntoos hlav hlau txheej txheej thiab cov txheej txheem organic yuav tsum ua tau raws li qhov yuav tsum tau ua ntawm txheej txheej (plating) txheej tuab, zoo ib yam, thiab ruaj khov rau lub substrate. Hauv txheej txheej (plating) txheej, xws li txheej txheej (plating) txheej txheej tawm, npuas lossis tawg, thiab hauv zos tsis yog - txheej txheej, thiab lwm yam, feem ntau, nws yog vim qhov tsis huv ua ntej hlau txheej (plating). Piv nrog rau cov organic hnyav txheej, caij nplooj ntoos hlav hlau nto txheej txheej kev kho mob siv dej ua cov kuab tshuaj, xws li electroplating, anodizing, phosphating, thiab dej -raws li xim txheej, yog rhiab heev rau cov organic paug ntawm cov hlau nto, txawm tias nws yog ib txheej monomolecular. tuaj yeem ua rau tsis ua haujlwm ntawm tag nrho cov txheej txheem. Yog li ntawd, kev huv ntawm cov khoom nto tom qab txheej (plating) yog qhov tseem ceeb heev.
txoj kev:
1. Kev soj ntsuam pom thiab kho qhov muag
Cov roj stains ntawm ci iab hlau tuaj yeem pom ntawm qhov muag liab qab thiab nrog kev pab ntawm lub iav tsom iav lossis lub tshuab tsom iav. Qhov tsis zoo yog tias cov yeeb yaj kiab oxide passive ntawm cov hlau nto thiab cov roj tsis tshua muaj kuab paug yuav tsis raug kuaj pom. Rau cov hlau ntxhib thiab npub, cov hau kev saum toj no tsis muaj hwj chim, tab sis koj tuaj yeem so lub ntsej muag nrog huv, dawb paj rwb, ntaub, lossis ntawv, thiab saib seb nws puas huv los txiav txim siab seb cov hlau puas huv.
2. Nto nro txoj kev
Raws li kev cuam tshuam ntawm cov roj saum npoo ntawm nws lub zog saum npoo, lub zog saum npoo yog txiav txim siab los ntawm seb cov hlau puas yog wetted nyob rau hauv ib tug series ntawm kev ntsuam xyuas cov kev daws teeb meem nrog txawv deg tensions, thiab qhov huv si ntawm qhov chaw yog txiav txim raws li. Yog tias muaj cov kev daws teeb meem los ntawm 80 feem pua acetic acid, 20 feem pua dej) (V / V, tib yam hauv qab no) mus rau 1 feem pua ethanol thiab 99 feem pua dej tau npaj, qhov nro saum npoo nce ntawm 24.510-5N / CM rau 66.010-5N raws li. . /CM.
3. Xim txoj kev
Muab cov degreaser tso rau ntawm qhov chaw hlau, thiab tom qab ntawd evaporate kom qhuav. Yog tias tsis muaj ib qho kab, qhov saum npoo hlau yog huv si. Yog tias lub nplhaib tshwm, nws txhais tau hais tias muaj roj paug.
4. Txoj kev ntub dej
Cov hlau huv huv yog hydrophilic thiab, yog li ntawd, tuaj yeem ntub dej los ntawm dej, thiab thaum cov hlau saum npoo muaj cov roj stains, yuav muaj dej- tawg qhov chaw uas tsis ntub dej. Raws li lub hauv paus ntsiab lus ntawm seb nws yog hydrophilic los yog tsis, ntxiv rau qhov yooj yim tshaj plaws thiab feem ntau siv exhalation txoj kev thiab atomizer spray method, muaj cov nram qab no nrhiav kom tau txoj kev. Txij li cov hlau oxide zaj duab xis kuj yog hydrophilic, feem ntau ntawm cov txheej txheem no tsis tuaj yeem kuaj xyuas seb cov oxide zaj duab xis ntawm cov hlau tau raug tshem tawm.
