I. Cov ntsiab lus tseem ceeb ntawm Kev Tshawb Fawb Pom Kev
1. Kev tshuaj xyuas qhov tsis xws luag
Kev tawg: Muab faib raws axial lossis kauv kev taw qhia ntawm lub raj steel, feem ntau tshwm sim los ntawm cov khoom siv raw lossis cov txheej txheem dov.
Folds: Txheej txheej sib tshooj ntawm qhov chaw, feem ntau pom thaum hlau flanges tsis fused thaum dov.
Scales: Hlau flakes adhering rau saum npoo, nias rau saum npoo ua ntej txias.
Pockmarks/Dents: Ua los ntawm qhov chaw xeb lossis cov cim siab, cuam tshuam rau qhov sib xws ntawm cov kabmob siab.
Kos / Abrasions: Ua rau thaum thauj lossis tuav; yog tias qhov tob tshaj ntawm phab ntsa thickness sib txawv, lub raj yuav tsum tau muab tshem tawm.
2. Xaus ntsej muag thiab Geometry tshuaj xyuas
Xaus Lub ntsej muag Flatness: Qhov kev txiav yuav tsum yog perpendicular mus rau axis, tsis muaj burrs, skewing, los yog "gooseneck" khoov.
Hla-Sectional Shape: Yuav tsum yog lub voj voog zoo kawg nkaus; ellipticity yuav tsum tsis txhob tshaj tus qauv tso cai ntau yam (feem ntau Tsawg dua los yog sib npaug rau 80% ntawm cov kab uas hla sab nraud).
Phab ntsa Thickness Uniformity: Tsis muaj qhov pom tseeb tsis sib xws hauv phab ntsa thickness yuav tsum tau pom pom. Kev ntsuas micrometer tej zaum yuav tsim nyog rau kev txheeb xyuas.
3. Metallic Luster thiab huv si:
High - zoo seamless steel kav yuav tsum muaj cov xim hlau zoo nkauj, tsis muaj oxide nplai, xeb, roj stains, lossis cov khoom siv raw.
Cov kav dej txias- dov muaj qhov ci ntsa iab, thaum kub - cov kav dej dov muaj cov txheej oxide me me, uas yog qhov qub, tab sis qhov hnyav pitting lossis tev tsis raug tso cai.
II. Kev tshuaj xyuas txoj kev thiab cov ntsiab lus ua haujlwm:
1. Kev Ntsuam Xyuas Kev Pom Zoo:
Nyob rau hauv lub teeb pom kev txaus, maj mam tig cov yeeb nkab steel thiab saib cov sab hauv thiab sab nrauv ntawm txhua lub kaum sab xis.
Cov kws tshuaj ntsuam xyuas yuav tsum muaj kev paub dhau los thiab muaj peev xwm paub qhov txawv ntawm qhov khawb me me thiab cov yam ntxwv tsis xws luag.
2. Cov cuab yeej pab:
Siv lub iav tsom iav los tshuaj xyuas cov kab nrib pleb.
Siv tus pas ntsuas thiab square los xyuas seb lub bevel lub kaum sab xis thiab blunt ntug ntawm lub ntsej muag kawg ua tau raws li qhov yuav tsum tau ua.
3. Kev sib hloov thiab Segmented Inspection:
Txhua cov yeeb nkab steel yuav tsum tau tig tsawg kawg 3 zaug kom ntseeg tau tias tsis muaj cheeb tsam ploj.
Kos cov yeeb nkab ntev kom tsis txhob muaj qhov sib npaug lossis tsis tuaj yeem kuaj xyuas.
Kev ceeb toom tshwj xeeb: Rau cov kav dej siv nyob rau hauv siab - siab, siab - kub, los yog corrosive tej yam kev mob, tej qhov chaw deg tej zaum yuav ua ib tug stress concentration point. Nws raug nquahu kom paub meej ntxiv qhov no los ntawm kev sib txuas tsis yog- kev sim ua kom puas tsuaj (xws li kev sim sib nqus particle lossis kev sim nkag mus).
