Cosmetic iav raj mis electroplating txheej txheem qhia

Cosmetic iav raj mis electroplating txheej txheem qhia

Electroplating yog lub ntsiab lus ntawm electrolytic hlau plating. Electroplating yog muab tso rau hauv qhov chaw plated (cov khoom) hauv cov potion uas muaj cov hlau ions kom plated thiab txuas cov cathode thiab tso qhov tsim nyog anode (soluble lossis insoluble) ntawm lwm qhov kawg ntawm potion. txheej txheem txheej hlau rau hauv nyias zaj duab xis. Kev nkag siab yooj yim yog qhov hloov pauv lossis kev sib xyaw ntawm physics thiab chemistry. Cov txheej txheem feem ntau ntsib electroplating tam sim no: aqueous electroplating (chim plating, khib plating, nruam plating), tshuaj plating.

Tus nqi txheej txheem:pwm nqi (tsis muaj), ib daim nqi (siab);

Cov khoom raug: kev kho deg ntawm tsheb, cov khoom siv hluav taws xob, rooj tog zaum, hniav nyiaj hniav kub thiab nyiaj txiag, thiab lwm yam .;

cov zis yog tsim nyog:ib thooj mus rau loj batch;

zoo:tsis tshua muaj siab gloss, anti-oxidative corrosion;

ceev:Nruab nrab ceev, nyob ntawm seb hom khoom thiab txheej thickness.

1. Cov khoom siv electroplating

Qhov txiaj ntsig zoo tshaj plaws ntawm electroplating yog qhov tshiab thiab tsis tshua muaj glossy hlau txheej tuaj yeem tsim rau ntawm qhov chaw ntawm ob qho tib si hlau thiab tsis yog hlau, uas ncaj qha txhim kho qhov pom kev zoo ntawm cov khoom qub. Tus nqi qis dua li cov khoom siv hlau ncaj qha. Electroplating ntawm cov chaw tshwj xeeb ntawm qhov chaw ntawm tib qho tuaj yeem siv rau thaj chaw uas tsis tas yuav tsum tau electroplating nrog tshwj xeeb waxes thiab coatings. Chrome plating yog dav siv rau kev kho deg hauv tsheb thiab rooj tog kev lag luam.

2. Cov ntaub ntawv tseem ceeb

Muaj ntau tshaj 30 hom electroplating hlau, ntawm uas ntau tshaj kaum yog dav siv, xws li galvanized, cadmium, tooj liab, npib tsib xee, chromium, nyiaj, tin, kub, hlau, cobalt, lead, antimony, platinum, titanium, cymbal, lwm. Ntxiv nrog rau cov txheej txheem hlau, muaj ntau cov txheej txheem hlau, xws li tooj liab-tin, tooj liab-zinc, tooj liab-nickel, nickel-hlau, lead-tin, zinc-tin, zinc-hlau, zinc-nickel, tooj liab-cadmium. , zinc-cadmium, tin-hlau, tin-cobalt, Hlau tungsten, thiab lwm yam.

Hais txog cov yas, ABS yog feem ntau siv, vim tias ABS tuaj yeem tiv taus qhov kub ntawm electroplating ntawm 60 degree (140 degree F), thiab nws cov txheej txheej electroplating thiab tsis-plating txheej muaj lub zog sib txuas siab. Cov hlau feem ntau tuaj yeem ua electroplated, tab sis cov hlau sib txawv muaj cov qib sib txawv. Purity thiab plating efficiency. Feem ntau ntawm cov no yog: tin, chromium, npib tsib xee, nyiaj, kub thiab rhodium (rhodium: ib hom platinum uas kim heev thiab tuav lub ci ci rau lub sijhawm ntev, thiab tuaj yeem tiv taus cov tshuaj thiab cov kua qaub ntau. ntxiv luster rau cov khoom nto cov khoom uas yuav tsum tau siab heev, xws li trophies thiab medals), nickel hlau yuav tsum tsis txhob siv rau electroplating cov khoom uas tuaj rau hauv kev sib cuag nrog daim tawv nqaij vim hais tias nickel yog irritating thiab lom rau ntawm daim tawv nqaij.

3. Txheej piav qhia

Raws li cov txheej txheem, nws tuaj yeem muab faib ua chrome plating, tooj liab plating, cadmium plating, tin plating, zinc plating thiab lwm yam.

Thaum lub sij hawm electroplating, plated hlau los yog lwm yam insoluble khoom siv raws li anode, lub workpiece yuav plated yog siv raws li cathode, thiab cov cations ntawm cov hlau plated raug txo rau saum npoo ntawm lub workpiece yuav plated los ua ib tug plated txheej. . Txhawm rau tshem tawm qhov cuam tshuam ntawm lwm cov cations thiab ua rau cov txheej txheem sib xws thiab ruaj khov, cov tshuaj uas muaj hlau cations hauv txheej yuav tsum tau siv los ua cov tshuaj electroplating kom cov concentration ntawm cov hlau cations hauv txheej tsis hloov. Lub hom phiaj ntawm electroplating yog txheej txheej hlau ntawm lub substrate thiab hloov cov khoom nto ntawm lub substrate.

Peb coj cov khoom siv electroplating ntawm ABS yas ua piv txwv. ABS electroplating yog chemically corrode B (butadiene) nyob rau hauv ABS, yog li ntawd ib co xoob pores tshwm nyob rau saum npoo ntawm cov khoom, thiab ces ib txheej ntawm tus neeg xyuas pib (xws li tooj liab) txuas mus rau nws muaj peev xwm ua hluav taws xob thiab tom qab electroplated. tib yam li hlau electroplating. Yog li, ABS plating yog sib xyaw ntawm electroless plating thiab electroplating.

4. Cov txheej txheem electroplating

Pretreatment (sib tsoo → ntxuav ua ntej → ntxuav dej → electrolytic degreasing → dej ntxuav → kua qaub dipping thiab ua kom dej → ntxuav dej) → neutralization → dej ntxuav → electroplating (priming) → dej ntxuav → neutralization → dej ntxuav → electroplating (surface txheej) → dej ntxuav → dej ntshiab → Lub cev qhuav dej → ziab

Hauv kev lag luam ntim tshuaj pleev ib ce, vim tias cov txheej txheej electroplated tsis tuaj yeem sib cuag ncaj qha nrog cov ntsiab lus, cov txheej txheem electroplating feem ntau yog siv rau cov khoom siv sab nraud, xws li ntau yam ntim cov khoom siv plhaub, daim di ncauj plhaub, lub raj mis cap plhaub, cov khoom siv tshuaj pleev ib ce, thiab lwm yam.