Feem ntau suav nrog cov khoom siv thiab kev siv tau. Cov hauv qab no yog kev tshuaj xyuas ntawm ntau cov ntaub ntawv rauj hniav thiab lawv cov ntaub ntawv siv tau:
Cov hlau uas tsis muaj carbon ntau: Cov hniav rauj hlau uas tsis muaj carbon ntau yog qhov tsim nyog rau kev sib tsoo cov khoom siv dav dav, xws li cov nplej, cov quav ciab, thiab lwm yam. Nws qhov zoo yog tus nqi qis dua, tab sis qis dua kev hnav tsis kam thiab qhov nyuaj, ua rau nws tsim nyog rau kev tuav cov khoom mos dua.
Cov hlau carbon nruab nrab: Cov hniav rauj hlau carbon nruab nrab muaj qhov nyuaj zoo thiab hnav tsis kam, haum rau cov ntaub ntawv nrog qhov nyuaj nruab nrab, xws li cov ceg ntoo, cov ceg ntoo me me, thiab lwm yam. Nws muaj qhov ruaj khov zoo, tab sis tus nqi kuj siab.
Hlau cam khwb tshwj xeeb: Cov rauj hlau cam khwb tshwj xeeb yog tsim rau kev ua cov ntaub ntawv tawv dua xws li pob txha, cov hlau, thiab lwm yam. Hom rauj no muaj kev tiv thaiv kev hnav zoo, tab sis nws nyuaj rau kev ua.
Kev kho kom txias: Cov rauj uas tau kho kom txias muaj qhov nyuaj dua thiab tsim nyog rau kev ua cov ntaub ntawv nyuaj siab xws li txiv ntoo, pob txha, thiab lwm yam. Nws txoj kev tiv thaiv kev hnav thiab lub neej ua haujlwm ntev heev.
Carburizing thiab quenching: Cov rauj uas kho nrog carburizing thiab quenching muaj qhov nyuaj dua thiab tsis kam hnav, thiab tsim nyog rau kev ua cov ntaub ntawv tawv heev xws li pob zeb, ores, thiab lwm yam. Txoj kev ua no tuaj yeem txhim kho lub neej kev pabcuam ntawm cov rauj hniav.
Tungsten carbide: Tungsten carbide rauj tam sim no yog ib qho ntawm cov ntaub ntawv nyuaj tshaj plaws hauv kev ua lag luam, tsim nyog rau kev ua cov ntaub ntawv nyuaj heev xws li pob zeb, ores, thiab lwm yam. Nws txoj kev hnav tsis kam thiab kev pabcuam lub neej ntev heev, tab sis tus nqi kuj siab.
Qhov zoo thiab qhov tsis zoo ntawm cov rauj hniav ua los ntawm ntau yam khoom siv yog raws li nram no:
Cov hlau carbon tsawg: Tus nqi qis, tab sis tsis tshua muaj kev hnav thiab kev tawv.
Cov hlau carbon nruab nrab: qhov nyuaj thiab ruaj khov, tab sis tus nqi siab.
Cov hlau cam khwb tshwj xeeb: zoo hnav tsis kam, tab sis nyuaj rau ua.
Kev kho quenching: kev kub siab thiab lub neej ua haujlwm ntev.
Carburizing thiab quenching: qhov nyuaj siab heev, lub neej ntev, tab sis tus nqi siab.
Tungsten carbide: muaj qhov nyuaj tshaj plaws thiab lub neej ua haujlwm ntev heev, tab sis tus nqi siab tshaj plaws.
Kev xaiv cov khoom siv rauj uas tsim nyog yuav tsum xav txog cov yam ntxwv xws li qhov nyuaj ntawm cov khoom siv, cov kev cai ua tiav, thiab tus nqi.
Lub sijhawm tshaj tawm: Lub Ob Hlis-28-2025