Hlau flux-cored hardfacingyog siv dav rau kev kho thiab tsim cov khoom siv uas tsis yooj yim hnav hauv kev lag luam mining, crushing, steel dov thiab cement, xws li crusher hammers, liners, chutes, hot rolling rolls thiab rotary kiln support rollers. Nws qhov kev ua tau zoo ncaj qha txiav txim siab lub neej ua haujlwm ntawm cov workpieces, yog li cov neeg siv khoom tsom mus rau cov cim qhia tseem ceeb hauv qab no.
Ua ntej tshaj plaws, qhov nyuaj tom qab vuam overlay, cim los ntawm HRC, yog qhov qhia tseem ceeb tshaj plaws. Cov qib nyuaj ib txwm suav nrog HRC 55–58 thiab HRC 60–65. Cov qib sib txawv tau tsim rau ntau yam kev ua haujlwm sib txawv: kev tiv taus kev sib txhuam hauv chav tsev kub, kev tiv taus kub siab rau cov yob kub dov, kev tiv taus kev cuam tshuam siab thiab kev tiv taus kev sib txhuam ntshiab. Nws yuav tsum tau sau tseg tias cov qauv hlau tau hloov kho sib cais. Qib rau cov rauj crusher cuam tshuam siab, qib rau kev hnav kev sib txhuam ntshiab ntawm chutes thiab liners, thiab qib kub siab rau cov yob kub dov tsis tuaj yeem siv hloov pauv.
Qhov thib ob, cov qauv metallographic thiab cov tshuaj lom neeg raug tswj hwm nruj me ntsis. Cov ntsiab lus ntawm Cr, C, Nb, Mo thiab V raug kho kom raug raws li qhov yuav tsum tau tsim. Cov hom muaj suav nrog tungsten carbide composite, high chromium cast iron, martensitic thiab austenitic stainless steel qib. Rau cov neeg siv khoom mining thiab metallurgical txawv teb chaws, daim ntawv pov thawj kuaj khoom siv (MTC) tuaj yeem muab tau thaum thov kom paub tseeb cov tshuaj lom neeg.
Qhov rhiab heev ntawm qhov tawg yog lwm qhov teeb meem loj, tshwj xeeb tshaj yog rau cov khoom ua haujlwm loj xws li cov dov hnyav thiab cov castings tuab. Cov neeg yuav khoom yuav xyuas seb cov txheej surfacing puas yuav tawg, seb puas muaj peev xwm vuam ntau txheej, thiab seb puas yuav tsum tau ua kom sov ua ntej thiab tom qab vuam thaum lub sijhawm vuam. Kev tiv thaiv qhov tawg tsis tsim nyog yuav ua rau tev tawm ntxov thiab ua tsis tiav ntawm cov txheej hardfacing.
Cov neeg siv khoom kuj tseem ua tib zoo saib xyuas lub neej siv. Lawv feem ntau piv lub neej ua haujlwm nrog cov khoom los ntawm lwm tus neeg muag khoom. Cov ntaub ntawv siv hauv daim teb thiab cov xwm txheej ua haujlwm tiag tiag ntawm cov crushers, dov dov thiab rotary kiln support rollers yog cov ntaub ntawv tseem ceeb rau lawv qhov kev ntsuam xyuas.
Tsis tas li ntawd xwb, kev siv vuam tsis tuaj yeem tsis quav ntsej. Cov ntsiab lus tseem ceeb suav nrog qib spatter, slag tshem tawm thiab weld bead tsim. Feem ntau cov chaw tsim hlau thiab cov chaw tsim khoom siv tshuab siv cov khoom siv tsis siv neeg, xws li qhib arc thiab submerged-arc surfacing tshuab. Kev sib raug zoo nrog cov tshuab vuam tsis siv neeg ua kom muaj kev pub mov ruaj khov, kev vuam zoo tas li thiab kev ua haujlwm siab.
Lub sijhawm tshaj tawm: Lub Kaum Hli-28-2026
