Khoom Description
Cov kev ua haujlwm tsis zoo hauv kev sivalloy cored hlausuav nrog:
1. Lub sijhawm tsis tsim nyog ntawm kev sib ntxiv: Kev ua tsis tiav ntawm kev ntxiv cov tub ntxhais hlau thaum cov kua hlau mus txog qhov ntsuas kub thiab muaj pes tsawg leeg ua rau cov tshuaj tiv thaiv tsis txaus lossis cov nyhuv tsis zoo.
2. Ntau dhau los yog qeeb ntxiv nrawm: Kev ceev ntau dhau yuav ua rau muaj kev kub ntxhov ntawm cov kua hlau, uas ua rau cov khoom tawg thiab tsis sib xws; Yog tias qhov nrawm nrawm dhau, nws yuav ua rau lub sijhawm ua haujlwm ntev thiab cuam tshuam rau kev tsim khoom.
3. Kev ua yuam kev hauv qhov sib ntxiv: Cov nyiaj ntxiv ntawm cov tub ntxhais hlau tsis raug suav nrog raws li cov khoom siv ntawm cov kua hlau thiab cov hom phiaj xav tau, uas ua rau cov hlau zoo tsis tau raws li qhov yuav tsum tau ua.
4. Kev ua tsis tiav tam sim ntawd qhov tsis raug ntawm cov khoom siv xaim xaim, xws li xaim jamming thiab cov xaim tsis sib xws, uas tsis tau kuaj pom thiab daws tau raws sijhawm, cuam tshuam rau qhov sib ntxiv ntawm cov tub ntxhais hlau.
Kev ua haujlwm yuam kev
5. Kev khaws cia tsis raug: Ua ntej siv, qhov chaw cia ntawm cov tub ntxhais hlau tsis tau raws li qhov yuav tsum tau ua, xws li ua kom ntub dej, muaj kab mob, thiab lwm yam, uas cuam tshuam rau kev ua haujlwm.
6.Insufficient stirring of steel kua: Tom qab ntxiv cov tub ntxhais hlau, tsis txaus stirring tau nqa tawm, ua rau nyob rau hauv unevenly faib ntawm cov ntsiab lus thiab cuam tshuam qhov sib xws ntawm steel zoo.
7. Kev tsis saib xyuas thawj lub xeev ntawm cov kua steel: Kev txiav txim siab tsis txaus tau muab rau cov yam ntxwv xws li qhov pib muaj pes tsawg leeg, qhov kub thiab txias, thiab cov ntsiab lus ntawm cov kua steel, thiab qhov muag tsis pom qhov sib ntxiv ntawm cov tub ntxhais hlau raws li tus qauv ruaj khov.
8. Kev soj ntsuam tsis zoo ntawm cov tub ntxhais hlau: Siv cov tub ntxhais hlau tsis zoo tsis tuaj yeem ua tiav qhov kev xav tau ntawm deoxidation, desulfurization, alloying, thiab lwm yam.
tiv tauj
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