Zinc alloy tuag casting yog ib tug txheej txheem ntawm kev ua tau zoo tshaj plaws. Yuav ua tiav hauv cov qauv duab ntawm yam ntxwv, hauv tsheb, tsev hauv tsev siv dav, tab sis zinc alloy tsis muaj zog atmospheric corrosion, yuav tsum yog nyob rau hauv nws cov tsos tooj liab plating, chrome tiv hniav zoo nkauj txheej. Lub substrate nws tus kheej thiab tshwj xeeb daim ntawv ntawm lub substrate nws tus kheej muaj ib tug tseem ceeb feem on lub plating.
1) alloy tuag casting khoom rau zinc-aluminium alloy, yog active amphoteric hlau. Thiab ob hom hlau thiab txhuas hauv cov txheej txheem thiab cov tshuaj electroplating yog qhov nyuaj tshaj plaws, nws yuav tsum tswj cov txheej txheem txhuas, cov xeb zinc zinc hlau tuag casting khoom, aluminium ntsiab lus (pawg feem) yuav tsum tsis tshaj 4%, aluminium ntau dhau heev , yuav ua rau lub plating nyuaj rau qub.
2) qhov tsim tsim yuav tsum tsim nyog, tuag casting puab yuav tsum tau coj mus rau hauv tus account lub peev xwm los npog lub plating, kom txo lub qhov, thiaj li hais tias dej tsis yooj yim rau nqa cov kev daws. Txo cov ntse ntse thiab lwm qhov chaw, yog li ntawd thaum faib ntawm hluav taws xob kab sib npaug.
3) tuag casting txheej txheem, tuag casting pwm tsim yog tsim nyog, ces tuag casting tsis tsim shrinkage, pinholes thiab xoob xoob, qhov defects yuav ncaj qha mus rau lub txheej lo adhesion.
4) tuag casting txheej txheem, kom txo cov kev xav tshwm sim. Xws li qee qhov chaw ntawm qhov txhuas cais, nyob hauv lub degreasing, aluminium yog thawj zaug rau yaj, yuav tuag nyob rau hauv qhov tuag qhov pores, pinholes thiab tsis tuaj yeem ntxhua, ua rau cov neeg pluag adhesion, uas ua rau txheej co ntim tshuaj.
5) kev sib tsoo polishing txheej txheem yuav tsum faj kom paub qhov kev sib piv, kev tuag casting ntim cua txias txheej txheem tsim 0.05 ~ 0.1 hli ntom txheej tseem ceeb heev rau plating, sib tsoo polishing los txo cov poob ntawm txheej txheej, yog txheej txheem sib tsoo, Exposed yuav ntxeem, thiab tsis muaj zoo plating yuav tsum tuaj rau ntawm txheej txheej no.
6) Copper-chromium plating txheej, uas yog muaj ntau ntau hauv plating, yog muaj txheej txheem tiv thaiv rau lub substrate, tsuas yog cov neeg kho tshuab tiv thaiv, thiab zinc alloy yog corroded nyob rau hauv cov huab cua humid, yog li nws yuav tsum xyuas kom meej tias lub txheej muaj tsis muaj qhov Qhov Txwv tsis pub cov khoom xeb ntawm zinc alloy yuav ua rau txheej npuas. Txheeb rau cov hlau, qhov txheej yuav tsum hnav ris tsho ob, tuaj yeem siv rau zinc alloy tuag casting.
7) tuag castings nyob rau hauv tuag casting thiab machining txheej txheem seem, tom qab ua yuav tsum tau ntxuav li ntau li ntau tau. Vim tias qhov seem yog ib qho hlau zoo, nyob rau hauv txhua qhov txheej txheem ntawm electroplating, yuav hnov mob nrog kev daws, thiab ua rau tus da dej, ua rau muaj kev cuam tshuam ntawm plating zoo.