Kev siv hluav taws xob (electroplating) yog ib txoj kev kho qhov chaw uas xav tau kev ruaj khov ntawm lub zog fais fab, kev tswj tau, thiab qhov zoo ntawm cov zis. Nyob rau xyoo tas los no, cov khoom siv fais fab thim rov qab tau raug siv ntau dua hauv cov kab hluav taws xob vim lawv muaj peev xwm txhim kho qhov zoo ntawm cov txheej txheem thiab kev ua haujlwm zoo dua piv rau cov khoom siv fais fab DC ib txwm muaj.
Lub zog fais fab rov qab tuaj yeem hloov pauv qhov polarity ntawm cov hluav taws xob zoo thiab tsis zoo thaum lub sijhawm plating. Qhov kev hloov pauv tam sim no tswj tau no ua lub luag haujlwm tseem ceeb hauv kev tswj hwm kev txav mus los ntawm ion hauv electrolyte thiab txhim kho tus cwj pwm tso rau ntawm qhov chaw ua haujlwm.
Ib qho ntawm cov txiaj ntsig tseem ceeb ntawm kev siv lub zog fais fab rov qab hauv electroplating yog kev txhim kho ntawm kev sib npaug ntawm cov txheej. Thaum lub sijhawm DC plating ib txwm muaj, cov hlau ions feem ntau yuav sib sau ua ke yooj yim dua ntawm ntug thiab ces kaum, ua rau cov tuab tsis sib npaug lossis hlawv tsis zoo. Los ntawm kev qhia cov pulses luv luv rov qab, cov hlau ntau dhau ntawm cov cheeb tsam tawm tuaj yeem yaj ib nrab, uas tso cai rau cov tam sim no tom ntej kom rov faib cov hlau kom sib npaug thoob plaws tag nrho qhov chaw.
Cov khoom siv fais fab rov qab kuj tseem zoo rau kev txo cov qhov tsis zoo xws li qhov pinholes, roughness, thiab nodules. Cov hluav taws xob rov qab pab tshem tawm cov npuas hydrogen thiab cov khoom tsis huv ntawm qhov chaw cathode, uas txhim kho kev sib txuas thiab ua rau muaj txheej du thiab ntom dua. Qhov no yog qhov tshwj xeeb tshaj yog rau cov ntawv thov plating siab, xws li cov khoom siv hluav taws xob, cov khoom siv tsheb, thiab cov plating kho kom zoo nkauj.
Lwm qhov txiaj ntsig tseem ceeb yog kev tswj hwm zoo dua ntawm cov txheej txheem plating. Cov khoom siv fais fab rov qab niaj hnub no tso cai rau kev hloov kho qhov tseeb ntawm cov tam sim no mus tom ntej, cov tam sim no rov qab, lub sijhawm piv, thiab waveform. Qhov kev ywj pheej no ua rau cov engineers tuaj yeem ua kom zoo dua cov kev teeb tsa rau ntau yam kev daws teeb meem plating thiab cov ntaub ntawv, xws li nickel, tooj liab, chromium, thiab zinc. Yog li ntawd, kev ruaj khov ntawm cov txheej txheem thiab kev rov ua dua tau zoo dua.
Los ntawm qhov kev pom ntawm kev tsim khoom, cov khoom siv fais fab thim rov qab kuj tseem tuaj yeem pab txhawb kev ua haujlwm zoo dua thiab txo qis kev ua haujlwm rov ua dua. Qhov zoo ntawm cov txheej txheem zoo dua txo qhov xav tau kev ua tiav tom qab thiab kev kho qhov tsis zoo, uas pab txuag ob lub sijhawm thiab cov nqi ua haujlwm. Hauv qee qhov kev siv, kev siv thev naus laus zis thim rov qab tuaj yeem ua rau qhov ceev ntawm cov hluav taws xob tso cai, ua rau cov plating ceev dua yam tsis muaj kev cuam tshuam rau qhov zoo.
Hauv kev xaus lus, cov khoom siv fais fab rov qab muab cov txiaj ntsig zoo hauv cov txheej txheem electroplating niaj hnub. Los ntawm kev txhim kho kev sib npaug ntawm cov txheej txheem, txo cov qhov tsis zoo, thiab muab kev tswj hwm cov txheej txheem ntau dua, lawv tau dhau los ua qhov kev daws teeb meem tseem ceeb rau cov chaw tsim khoom uas tab tom nrhiav cov txiaj ntsig electroplating zoo dua thiab txhim khu kev qha dua.
Lub sijhawm tshaj tawm: Lub Ib Hlis-23-2026
