Hlau yog qhov ntsuas tseem ceeb ntawm qhov zoo ntawm tag nrho cov riam. Txij li nws yog ib qho tseem ceeb heev uas cov hniav yog ua los ntawm cov khoom muaj zog thiab ruaj khov thiab tsis tas yuav tsum kom ntse tom qab txhua qhov siv ntawm kev yos hav zoov.
Xaiv rab riam yos hav zoov yog ib txoj haujlwm nyuaj. Cov khw niaj hnub muaj qhov kev xaiv loj heev. Qhov tseem ceeb tshaj plaws uas txawv qhov rab riam yos hav zoov los ntawm cov khoom plig zoo nkauj yog qhov nws tau ua los ntawm qee yam khoom.
Xaiv cov qauv rau kev yos hav zoov riam hlau
Kev siv rab riam yos hav zoov yog ua los ntawm cov pa roj carbon hlau loj. Qhov nyuaj ntawm rab riam raug ntsuas hauv cov koog tshwj xeeb, uas tau xaiv HRC, thiab nyob ntawm cov pa roj carbon ntsiab lus hauv cov hlau. Nws yog qhov tsim nyog tias qhov nyuaj ntawm riam tua tsiaj yog tsawg kawg 60 HRC. Cov pa roj carbon monoxide siab dua nyob rau hauv cov hlau ntawm lub zas hniav, lub siab dua lub hardness ntawm rab riam hniav, thiab yog li ntawd, nws khaws qhov tseeb ntawm qhov txiav nyob rau ntev.
Koj tuaj yeem paub txog cov pa roj carbon ntau nyob rau hauv cov hlau los ntawm saib lub cim ntawm rab riam: 420 txhais tau tias tsawg dua 0.6%, 440 A qhia 0.75%, 440 V muaj 0.9%. Cov hlau uas nrov tshaj plaws los ntawm kev tua cov riam uas siv tau yog 440 C. Txawm hais tias nrog lub nruab nrab ntawm lub ntsej muag ntawm cov riam, cov hlau no tseem ywj. Thiab ua tsaug rau qhov sib ntxiv ntawm cov khoom siv xws li chromium thiab molybdenum, nws muaj cov khoom zoo los tiv thaiv corrosion. Nws yog qhov yooj yim los txhawm rau thiab khaws lub ntsej muag kom zoo ntawm lub ntsej muag ntev.
Hom hlau rau rab riam yos hav zoov
Muaj ntau txoj kev xaiv rau 440 C steel. Qhov feem ntau ntawm cov no yog CPM 440 V. Cov hlau no tau los ntawm kev kub-forging ntawm hmoov sib xyaw ntawm cov hlau. Nws txig tuav rab riam ntse hliav zoo. Nyob rau hauv cov nqe lus ntawm nws hnav tsis kam, nws yog ntau lub sij hawm zoo dua li tsoos steel 440 C. Tab sis qhov tsis zoo ntawm cov riam no yog qhov ntse dua.
Tsis muaj tsawg dua nrov yog 440 C - 155CM thiab ATS - 35. Thawj tus qauv yog ua los ntawm cov hlau ntawm Asmeskas, qhov thib ob - ntawm Japanese keeb kwm. Lawv suav tias yog qee tus tub luam zoo tshaj plaws niaj hnub no. Lub hardness ntawm xws li hlau yog 60 HRC. Lawv muaj kev ywj pheej zoo thiab yooj yim rau cov ntse. Lub ntsiab tseem ceeb yog tsis tshua muaj anticorrosive zog thiab zoo siab tus nqi ntawm cov hlau.
Lub npe nrov Damas steel yog nyob rau hauv kev thov zoo. Nws muaj cov kab nrig ntawm cov pas nrig steel forged rau hauv ib daim hlab nrog qee yam ntsiab lus carbon. Ntau tus naj npawb ntawm cov kab ntawv xov xwm no yog ntswj, thiab tom qab ntawd forged dua. Qhov zoo ntawm riam ncaj ncaj nyob ntawm tus naj npawb ntawm ib daim hlab. Qhov no txheej txheem ua tiav ntawm cov hlau muab nws incredibly siab yooj thiab lub zog.
Cov qauv uas tsis txawv txav tau pom meej rau ntawm rab riam riam. Hais txog qhov zoo, nws tsis muaj qhov sib npaug. Lub ntsiab tsis zoo yog nws cov nqi siab, nce mus txog ob peb puas txhiab rubles. Yeej, cov riam ua los ntawm Damascus steel yog tsim rau cov tsev khaws khoom pov thawj. Hauv lub neej txhua hnub, lawv plam lawv qhov kev zoo nkauj nrawm.
