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Yuav ua li cas zinc alloy tuag-casting manufacturers daws cov pa npuas?
Zinc alloy yog cov hlau uas muaj zinc ntxiv nrog rau lwm cov khoom. Zinc alloys yog ib qho yooj yim rau kev tsim, muaj zog plasticity, tus nqi qis, kev ua haujlwm siab, thiab ntau yam kev siv. Txawm li cas los xij, cov teeb meem foaming (electroplating thiab txau) ntawm Jiangmen zinc alloy tuag castings yog qee qhov teeb meem. Yog li yuav ua li cas los daws qhov ua rau blistering? Cov ntsiab lus hauv qab no:
1. Cov khoom tsim
Thaum tsim cov khoom siv zinc alloy tuag-casting pib, nws yog ib qho tsim nyog yuav tsum xav txog qhov chaw nres nkoj pub, slag tawm chaw nres nkoj thiab qhov chaw tso tawm ntawm qhov tuag-casting pwm. Vim tias txoj hauv kev ntws ntawm cov khoom siv rau kev pub mis thiab slagging yog du, tsis muaj cua nkag, tsis muaj dej stains, thiab tsis muaj npuas tsaus, uas cuam tshuam ncaj qha rau cov hlwv electroplating tom ntej. Tsim nyog noj thiab slagging. Cov pwm yog tuag-casted. , Tsis muaj dej stains.
2. Kev loj hlob ntawm tuag casting pwm
Nyob rau hauv txoj kev loj hlob ntawm tuag-casting pwm, lub tonnage, siab, tsis txaus siab, thiab tsis zoo ntawm lub tshuab molding yuav tsum tau xav txog. Tsis muaj teeb meem li cas kev kho mob ua ntej ntawm plating yog daws, muaj ib txwm 20-30% blistering. Cov pwm raug thaiv thiab hloov mus rau ob peb Daim, tsis rov ua npuas tom qab plating.
3. Kev kho mob ua ntej
Cov txheej txheem ua ntej ntawm cov kua polishing, polishing paste, thiab oxide txheej tsis huv, thiab feem ntau dov. Cov zinc alloy tuag-casting tom qab dov yog ci. Ntau tus neeg ua haujlwm hauv cov txheej txheem electroplating cog pickling yog pickled casually. Tus neeg saib xyuas polishing txuas rau saum npoo tsis tau ntxuav, thiab blistering feem ntau tshwm sim. Tsis tas li ntawd, lub calender siv los ntawm calendering thiab polishing nroj tsuag kuj muaj kev sib raug zoo, thiab qee cov surfactants nyob rau hauv lub calender yog nyuaj rau ntxuav.
4. Thaum cov khoom nkag mus rau alkali tooj liab
Ua ntej cov khoom nkag mus rau hauv alkali tooj liab plating tank, zinc alloy tuag-casting qhov chaw tseem muaj cov yeeb yaj kiab dub uas tsis kho nrog oxide zaj duab xis kom tshem tawm cov quav thiab roj. Yog li ntawd, kev tshem tawm ntawm daim nyias nyias yog qhov tseem ceeb heev. Nyob rau hauv thaum ntxov xyoo, nws tuaj yeem raug tshem tawm los ntawm kev siv ntsev los tiv thaiv staining. Kev tiv thaiv ib puag ncig tam sim no tsis tso cai tso tawm cov dej khib nyiab uas muaj cov tshuaj tiv thaiv staining ntsev.
5. Alkali tooj liab plating tank
Muaj ntau cov organic tshuaj nyob rau hauv alkaline tooj liab plating tank, thiab muaj ntau impurities, thiab dawb cyanide tsis nyob rau hauv ntau yam. Ntsuam xyuas cov khoom xyaw ntawm alkaline tooj liab tank kom pom tias sodium cyanide tsawg lossis sodium hydroxide siab! Tseem ceeb heev, nws raug nquahu kom kho cov pa roj carbon ib zaug txhua 3-5 hnub.
6. conductivity ntawm alkali tooj liab lub tog raj kheej
Lub conductivity ntawm alkaline tooj liab lub tog raj kheej kuj tseem ceeb heev. Seb lub anode yog yaj kom zoo thiab lub phaj tooj liab anode txaus yuav ua rau blistering.
7. Cov khoom ua npuas ncauj tom qab tawm hauv qhov cub
Nws tuaj yeem tshwm sim los ntawm qhov kub tsis sib xws ntawm qhov cub, uas yog, qhov kub thiab txias siab dhau. Vim tsis muaj qhov nruj thaum lub sij hawm tuag casting, nws yog ib qho yooj yim rau cov kua qaub nkag mus rau hauv cov dej stained trachoma ntawm zinc alloy tuag castings.Cov kua qaub thiab zinc tseem yuav ua rau cov tshuaj lom neeg txawm tias muaj txheej txheej, tsim cov hydrogen H. . Thaum lub siab sab hauv siab dua atmospheric siab mus rau ib qho twg, ntxiv qhov kub thiab txias yuav ua npuas.
Chaw tsim tshuaj paus ntawm zinc alloy tuag casting: Hoshimoto CO., Ltd www.hoshimoto-sh.com