Cov riam hauv chav ua noj yog qhov tseem ceeb hauv chav ua noj, tau kawg, thaum txiav cov cuab yeej hauv kev txiav lossis nws yog lub sijhawm txiav cov nqaij daim ntaub thaiv tsis zoo siv.
Txij li thaum muaj ntau yam kev paub hauv cov cuab yeej txiav, tuaj tos yog qhov nyuaj dua.
Ua me me ces qhia cov riam chav ua noj rau koj xaiv cov lus qhia, novice tuaj yeem tuav.
A, zoo txiav cov cuab yeej steel chav ua noj riam steel ringing ntawm pob ntseg, suab ntev zoo, tsis zoo thiab lwm yam steel ua cov cuab yeej tsoo lub suab tuag zoo li lub cib, ntawm lub nplhaib, kev siv cov khoom siv hlau txiav cov cuab yeej no feem ntau tsis zoo.
Mloog thov riam nyob rau hauv ancient sij hawm tau ib co kev daws teeb meem.
Thib ob, hardness hardness yog ib qho piv txwv ntawm ntau manufacturers yuav propaganda.
Feem ntau cov hardness ntawm Japanese dao, lub teb chaws Yelemees riam me ntsis qis hardness, lub hardness ntawm Suav style riam nyob rau hauv lub 50 los yog li feem ntau.
Ntsuas qhov sawv ntsug lossis poob ntawm rab riam, tab sis twv yuav raug hu tsis yog qhov nyuaj ntawm riam, qhov siab dua qhov zoo dua, tab sis koj siv li cas.
Yog hais tias tsev neeg mus rau hardness yuav tsum tau ntawm cov cuab yeej txiav, nws yog ib qho yuav tsum tau xav txog qhov no ntau dua.
Peb, kev hnav-tiv thaiv kev txhawj xeeb yog qhov tseem ceeb ntawm kev siv cuab yeej.
Cov hnav tsis kam, tuaj yeem siv ntev dua riam ntse.
Tab sis thaum lub sij hawm ntawm riam, qhov hnav tsis kam ntawm riam thiab qhov nyuaj dua nws yog hauv av, cov riam hnav-tiv taus feem ntau yog qhov yooj yim tshaj plaws rau hauv av seem.
Plaub, sharpness no feem ntau yog intuitive ntsuas buyer sawv ntsug los yog poob ntawm ib rab riam.
Thaum txiav tib yam nrog lub zog me me, koj xav tias nws, qhov ntse dua.
Ntsej muag kuj yog peb cov neeg siv khoom feem ntau xav txog yam.
5, siv yooj yim kov tsim humanization, lawv tau xis nyob.
Cov khoom tseem ceeb nrog ntoo kov, engineering plastics, steel shank thiab lwm yam, muaj lawv tus kheej zoo.
Feem ntau ua kom zoo dua stamping tsim ib rab riam chav ua noj nrog ntau refined;
Tsoos forging txheej txheem ntawm cov cuab yeej txiav nrog ntoo kov.
Qhov no tuaj yeem xaiv raws li nws nyiam.
Cov saum toj no yog ruitai hardware chav ua noj cov lus qhia rau xaiv.
Txoj cai chav ua noj riam, txiav yuav muaj ntau xis nyob, chopping zaub xwm yog du.
Koj ib txwm pom nws nyuaj rau txiav zaub mov?
Tej zaum koj yuav cia li muaj riam chav ua noj, nruab nrab ntawm koj thiab chav ua noj qiao hutch niang tsuas yog ib txhais tes ntawm chav ua noj riam.
