Hauv kev lag luam automotive,ntawv xuab zebraws li ib qho tseem ceeb ntawm cov cuab yeej kho deg, dav siv nyob rau hauv ib tug xov tooj ntawm cov txheej txheem tseem ceeb, los ntawm cov kev kho mob ua ntej ntawm lub cev mus rau nplua polishing, txhua kauj ruam tej zaum yuav inseparable los ntawm kev pab ntawm cov ntawv xuab zeb. peb yuav tshawb xyuas kom meej tias cov txheej txheem hauv kev lag luam tsheb yuav tsum tau ua cov ntawv xuab zeb thiab muab cov lus qhia tswv yim yuav ua li cas xaiv cov ntawv xuab zeb zoo.
daim ntawv thov txheej txheem ntawm cov ntawv xuab zeb hauv kev lag luam automotive
1. Lub cev sib tsoo
Kev sib tsoo lub cev yog ib qho tseem ceeb hauv cov txheej txheem ntawm kev tsim tsheb thiab kev saib xyuas. Ua ntej siv cov xim tshiab, lub cev saum npoo yuav tsum tau polished kom huv si kom tshem tawm cov xim qub, xeb, roj thiab qhov tsis sib xws. Nyob rau hauv cov txheej txheem no, sib txawv grit sandpaper yog siv successively, los ntawm ntxhib mus rau nplua, maj mam smooth lub cev nto, nteg ib tug zoo lub hauv paus rau tom ntej painting ua hauj lwm.
2. Kho khawb khawb
Lub tsheb nyob rau hauv kev siv niaj hnub yuav inevitably tshwm khawb, thiaj li yuav kho lub cev kev zoo nkauj, khawb kho tau los ua ib qho kev pabcuam tseem ceeb. Nyob rau hauv cov txheej txheem kho, raws li qhov tob ntawm khawb, xaiv cov ntawv xuab zeb uas tsim nyog rau kev sib tsoo hauv zos kom tshem tawm cov xim qub txheej los yog qhov puas ntawm qhov khawb, thiab tom qab ntawd sau, xim thiab polish.
3. Kev kho polishing
Polishing yog cov kauj ruam tseem ceeb los txhim kho cov xim ntawm lub tsheb. Tom qab pleev xim los yog khawb kho, siv cov ntawv xuab zeb zoo los yog cov ntawv tshwj xeeb polishing sanding rau lub teeb sanding, tuaj yeem tshem tawm qhov tsis txaus ntseeg, ua rau lub ntsej muag ntawm lub tsheb pleev xim ntau dua. Tom qab ntawd, nrog tus neeg saib xyuas polishing thiab polishing tshuab rau kev sib sib zog nqus polishing, kom ua tiav daim iav nyhuv.
ces yuav ua li cas xaiv sandpaper?
1. Grit xaiv
Granularity yog qhov tseem ceeb hauv kev xaiv cov ntawv xuab zeb, uas txiav txim siab qhov tuab ntawm cov ntawv xuab zeb. Feem ntau, coarse grit sandpaper (xws li P80-P120) yog qhov tsim nyog rau kev tshem tawm sai ntawm cov khoom loj lossis cov xuab zeb pib; Qhov nruab nrab loj (P150-P240) haum rau kev sib tsoo thiab ua tiav; Qhov loj me me (saum toj no P320) yog siv rau kev npaj ua ntej kev sib tsoo zoo thiab polishing. Xaiv qhov loj me me raws li cov kev xav tau tshwj xeeb tuaj yeem ua kom ua haujlwm zoo thiab sib tsoo zoo.
2. Cov khoom siv thiab ua haujlwm ntev
Cov ntaub ntawv ntawm cov ntawv xuab zeb ncaj qha cuam tshuam rau nws cov kav ntev thiab siv cov nyhuv. Cov ntaub ntawv sandpaper feem ntau yog daim ntawv puag, ntaub puag thiab daim txhuam cev. Ntawv-raws li cov ntawv xuab zeb muaj tus nqi qis thiab tsim nyog rau kev sib tsoo dav dav; Cov ntaub ntawv xuab zeb yog qhov ruaj khov dua, tsis yooj yim tawg, haum rau kev sib tsoo hnyav; Daim txhuam cev raws li cov ntawv xuab zeb muaj qhov yooj yim dua thiab yoog raws, haum rau kev sib tsoo nkhaus lossis qhov tsis sib xws. Xaiv cov khoom tsim nyog raws li kev xav tau ntawm kev ua haujlwm tuaj yeem txuas ntxiv lub neej kev pabcuam ntawm cov ntawv xuab zeb thiab txo cov nqi siv.
3. Abrasive hom
Abrasive yog cov khoom me me ntawm cov ntawv xuab zeb, thiab nws hom thiab hardness txiav txim siab txiav peev xwm thiab sib tsoo cov nyhuv ntawm cov ntawv xuab zeb. Cov abrasives feem ntau yog alumina, silicon carbide thiab lwm yam. Alumina abrasive yog tsim rau kev sib tsoo hlau, ntoo thiab lwm yam ntaub ntawv; Silicon carbide abrasive vim nws qhov siab hardness thiab hnav tsis kam, tshwj xeeb tshaj yog haum rau carbide thiab ceramics thiab lwm yam khoom sib tsoo. Xaiv qhov zoo ntawm abrasive raws li cov khoom ntawm cov khoom siv los kho tuaj yeem ua kom pom kev sib tsoo zoo.
Kauj ruam 4: Kev ruaj ntseg
Kev nyab xeeb kuj tseem ceeb thaum siv cov ntawv xuab zeb. Xaiv cov khoom siv xuab zeb uas ua tau raws li cov qauv kev nyab xeeb thiab tsis txhob siv cov ntawv tsis zoo lossis cov ntawv xuab zeb tas sij hawm. Nyob rau tib lub sijhawm, hnav cov cuab yeej tiv thaiv tsim nyog, xws li hnab looj tes thiab tsom iav, thaum lub sijhawm ua haujlwm los tiv thaiv kev raug mob los ntawm cov xuab zeb txaws. Tsis tas li ntawd, kev tu lub chaw ua haujlwm tsis tu ncua thiab ua kom ib puag ncig huv si kuj tseem ceeb rau kev ua haujlwm kom nyab xeeb.
Hauv cov ntsiab lus,ntawv xuab zebyog dav siv thiab tseem ceeb hauv kev lag luam automotive. Los ntawm kev xaiv tsim nyog thiab siv cov ntawv xuab zeb, kev ua haujlwm zoo thiab cov khoom lag luam tuaj yeem txhim kho tau zoo. Nws cia siab tias qhov kev taw qhia ntawm tsab xov xwm no tuaj yeem muab cov ntaub ntawv siv tau zoo thiab pab rau cov kws kho mob hauv kev lag luam tsheb.
