Grey cam khwb cia hlau yog feem ntau hom cam khwb cia hlau. … Nws yog ntau dua thiab vuam ntau dua li cov hlau cam dawb. Txawm li cas los xij, nws tseem ua rau muaj kev sib tw rau yav tom ntej welders raws li cov graphite flakes nyob rau hauv grey cam khwb cia hlau tuaj yeem nkag mus rau hauv lub pas dej ua ke kom ua rau cov hlau embrittlement.
Yuav ua li cas cam khwb cia hlau ua tiav?
Nws tuaj yeem vuam cam khwb cia hlau, txawm tias nws tuaj yeem muaj teeb meem vim muaj cov ntsiab lus carbon siab. … Cov txheej txheem vuam ua rau cov pa roj carbon no txav mus rau hauv cov hlau vuam thiab/los yog cov cua sov uas cuam tshuam rau cheeb tsam, ua rau kom siab brittleness/hardness. Qhov no, nyob rau hauv lem, tuaj yeem ua rau cov ncej weld tawg.
Yuav ua li cas yog tias koj cam khwb cia hlau?
Feem ntau, vuam ntawm cam khwb cia hlau cuam tshuam kho rau castings, tsis koom nrog casting rau lwm tus tswv cuab. Kev kho yuav ua tau nyob rau hauv lub foundry qhov twg cov castings yog tsim, los yog tej zaum yuav ua rau kho qhov tsis xws luag casting uas tau pom tom qab ib feem yog machined.
Yuav ua li cas cam khwb cia hlau tsis tuaj yeem weld?
Qhov no nyob ntawm microstructure thiab txhua yam khoom. Piv txwv li, grey cam khwb cia hlauyog inherently nkig thiab feem ntau tsis tuaj yeem tiv taus kev ntxhov siab los ntawm lub tshuab ua kom txias.
Vim li cas cam khwb cia hlau tsis welding?
Nws melts yooj yim, yog vim li cas nws thiaj li nyuaj rau vuam? Vuam cam khwb cia hlau yog qhov nyuaj vim nws muaj cov ntsiab lus carbon siab(li 10x ntawm cov hlau feem ntau), thiab nws nkig thiab ua rau tawg. Kev ntxhov siab kub yog qhov nyuajkom tshem tawm ntawm thaj chaw muaj kev kub ntxhov, thiab cov kab nrib pleb yuav tshwm sim dhau sijhawm.
