1. Cov khoom ua tiav thiab cov khoom tiav yuav tsum tsis txhob muab pov tseg rau sab nraud kom txog thaum lawv tau txais kev paub dhau los.

2. Cov burrs nyob rau sab nrauv ntawm lubwelded steel yeeb nkab, vuam daim tawv nqaij, vuam pob qhov rooj, spatters, plua plav thiab nplai, thiab lwm yam yuav tsum tau ntxuav ua ntej tshem tawm xeb, thiab xoob oxide nplai thiab tuab xeb txheej yuav tsum tau muab tshem tawm tib lub sijhawm.

3. Yog hais tias muaj roj thiab roj nyob rau saum npoo ntawm welded steel yeeb nkab, nws yuav tsum tau muab ntxuav ua ntej xeb tshem tawm.Yog tias muaj cov roj stains thiab roj rau ntawm ib feem ntawm thaj chaw xwb, ib nrab txoj kev pov tseg feem ntau yog xaiv tau;yog tias muaj thaj chaw loj lossis txhua qhov chaw, koj tuaj yeem xaiv qhov hnyav lossis kub alkali rau kev tu.

4. Thaum muaj cov kua qaub, alkalis, thiab ntsev nyob rau saum npoo ntawm cov yeeb nkab steel, koj tuaj yeem xaiv ntxuav lawv nrog dej kub lossis chav.Txawm li cas los xij, yuav tsum tau saib xyuas cov dej pov tseg, uas tsis tuaj yeem ua rau muaj kuab paug ib puag ncig.

5. Qee cov yeeb nkab uas tsis muaj steel hlau tshiab tau coated nrog cov xim kho kom tsis txhob xeb thaum lub sij hawm luv luv cia thiab kev thauj mus los.Cov kav hlau stainless coated nrog cov xim kho yuav tsum muab pov tseg raws li cov xwm txheej tshwj xeeb.Yog hais tias cov xim curing yog ob txheej txheej kho los ntawm tus neeg sawv cev kho, thiab cov txheej txheem yog qhov qub, nws tuaj yeem kho nrog emery daim ntaub, stainless hlau raj velvet lossis lub teeb tawg, thiab cov plua plav tuaj yeem raug tshem tawm, thiab tom qab ntawd tom ntej no. kauj ruam ntawm kev tsim kho.

6. Cov txheej rau kho cov primer los yog ib txwm primer ntawm txheej txheej ntawm welded steel yeeb nkab feem ntau yog txiav txim siab raws li cov txheej xwm ntawm txheej thiab cov xim txhawb ntxiv tom ntej.Txhua yam uas tsis tuaj yeem siv rau txheej txheej ntxiv lossis cuam tshuam rau adhesion ntawm cov txheej tom ntej yuav tsum tau muab tshem tawm tag nrho.