Kub dov, txias dov, txias kos, txias tiav? Muaj ntau cov lus zoo sib xws koj yuav hnov, tab sis lawv yog dab tsi thiab qhov txawv li cas? Ntau tus neeg nug peb cov neeg ua haujlwm muag khoom qub qub no cov lus nug tib yam. Nyob rau hauv luv luv, qhov sib txawv ntawm kub dov hlau thiab txias dov hlau yog qhov ua kub. Kub dov hlau yog, koj twv nws, ua tiav ntawm qhov kub (semi-molten state) kub. Cold Rolled steel pib nrog kub dov steel thiab yog ntxiv refined los ntawm kev ua nyob rau hauv chav tsev kub.
HOT ROLLED STEEL
Qhov zoo ntawm steel yog tias nws yog ib qho khoom siv ncaj ncees. Cov npe uas nquag siv hauv kev lag luam zoo li qhia cov neeg siv nws tau ua li cas. Kub dov hlau yog ib qho piv txwv tseem ceeb. Raws li peb tau hais los saum no, kub dov hlau yog tsim nyob rau hauv ib lub xeev semi-molten, uas tso cai rau nws los ua ntau yam sib txawv. Lub sij hawm kub dov tuaj yeem siv los xa ib yam dab tsi los ntawm bar Tshuag rau daim ntawv thiab phaj. Nws txhais tau hais tias cov txheej txheem siv los ntawm kev tsim steel zeb siv qhov chaw thaum cov hlau yog semi-molten. Lub xeev semi-molten tso cai rau lub zeb kom yooj yim tswj nws mus rau hauv cov duab thiab qhov ntev xav tau rau kev tsim khoom.
Kub dov bar txheej txheem: hlau kub yog ua tiav (los yog dov) nyob rau hauv qhib cua nyob rau hauv ib tug semi-molten lub xeev, qhov chaw ntawm cov hlau, los ntawm kev ua, ua semi-hardened thiab cov tub ntxhais ntawm cov strand yog tseem liab kub thiab malleable. Tej zaum yuav tsis meej pem, tab sis xav tias nws yog 3 Musketeers bar: sab nraud chocolate yog nyuaj dua li cov qhob noom xim kasfes sab hauv, tab sis tsis ntau. Cov txheej txheem no feem ntau tawm ntawm qhov chaw ntawm cov hlau nrog ib txheej ntawm carburization (los yog qee qhov hu ua "mill scale"). Qhov saum npoo yog ntxhib rau qhov kov, thiab yuav luag txhua zaus yuav tsum tau ua ntxiv kom nws ua tiav zoo.
Cov khoom kub dov yuav tsum tau ua tsawg dua los ntawm kev tsim cov zeb thiab, feem ntau, pheej yig dua piv rau cov hlau txias.
Cov lus piav qhia tib yam tuaj yeem siv los piav txog cov ntawv kub dov thiab cov phaj kub dov. Lub semi-molten slab ntawm cov hlau yog dov rov qab thiab tawm ntawm cov menyuam loj hauv cov cua qhib kom txo tau cov thickness rau hauv qhov xav tau loj. Cov ntawv kub dov thiab daim hlau kuj muaj cov nplai sab nraud uas feem ntau yuav tsum tau muab tshem tawm los ntawm kev ua haujlwm ntxiv. Nug peb txog peb qhov kev pab cuam tua blasting hauv tsev los pab tshem tawm cov kub dov zeb nplai!
Feem ntau cov khoom kub dov yuav tsum tau ua ntxiv (xws li machining) kom tshem tawm cov nplai zeb thiab tsim cov khoom tiav. Cov khoom kub dov feem ntau yog tsim nrog ib qho ntxiv /- qhov ntev kam rau ua tus account rau qhov ntawd.
ROLLED STEEL
Cold Rolled steel kuj tau txais nws lub npe los ntawm kev ua cov hlau li cas. Qhov ntawd txhais tau hais tias cov hlau tau ua tiav ntawm, lossis nyob ze, chav tsev kub tsis zoo li qhov kub thiab txias semi-molten rau kub dov steel bar. Feem ntau cov khoom txias dov pib lawv lub neej raws li cov khoom kub dov, tom qab ntawd tau ua tiav ntxiv los tsim cov txiaj ntsig ntawm cov khoom siv txias txias. Yog li, dab tsi yog cov txiaj ntsig ntawm txias dov steel?
Kuv zoo siab koj nug. Cov txiaj ntsig ntawm txias dov hlau tuaj yeem muab faib ua peb pawg loj:
(1) Mechanical zog
(2) Dimensional kam rau ua
(3) Nto tiav
Thaum muaj ntau yam txheej txheem txias dov, peb yuav tsom mus rau kev kos duab txias thiab txias tiav ntawm cov khoom siv bar thiab txias dov ntawm cov khoom siv.
TXOJ KEV HLUB
Kev kos duab txias yog siv los txhim kho cov khoom siv ntawm cov khoom siv steel bar. Cov kub dov hlau yog kos los ntawm ib ntu ntawm kev txo cov tuag los yog cov chais uas txias-ua haujlwm cov hlau mus rau hauv daim ntawv tawv tawv, txhim kho cov khoom siv kho tshuab. Nws kuj tso cai rau lub processor los txhim kho qhov ntev ntev ntawm cov khoom tsim. Nyob rau hauv qhov piv txwv no, qhov ntev kam rau ua feem ntau yog tsim los rau ib tug minus xwb kam rau ua nrog rau kev cia siab tias yuav muaj ntau yam tsawg xav tau rau ntxiv nto ua hauj lwm los tsim cov khoom tiav. Txawm hais tias txias drawn bar yog thawj zaug kim dua kub dov bar, tag nrho cov nqi txuag yog muab los ntawm kev txo qis machining feem ntau yuav tsum tau.
TXOJ KEV HLUB
Txias dov ntawm steel ntawv cov khoom yog tib qhov tseeb ntawm "dov" nyob rau hauv lub txias dov steel ntug. Feem ntau cov khoom siv txias txias yog hu ua txias dov, tab sis qhov tseeb lawv tau tig los yog kos. Nyob rau hauv cov ntaub ntawv ntawm cov khoom siv txias dov, cov txheej txheem ua tiav tsuas yog ua tiav ua tiav. Ib daim ntawv kub dov khoom yog ua tiav los ntawm cov txheej txheem ntawm cov chais uas maj mam txo cov tuab ntawm cov hlau thaum tib lub sijhawm tshem tawm qee qhov kub dov zeb nplai. Cov txheej txheem no strain hardens cov hlau uas ua rau mechanically muaj zog lub cev nyob rau hauv cov hlau. Nws kuj tseem txhim kho qhov ua tiav ntawm cov hlau ua kom ze rau cov khoom tiav.
Raws li cov kws tshaj lij steel khoom tsim khoom, Jiangsu Tshiab Heyi Machinery Co., Ltd muaj ntau tshaj 20 xyoo dhau los, induction hardened pas nrig, micro alloy steel pas nrig, chrome ncej thiab hydraulic hollow pas nrig kuj yog peb cov khoom muag kub, yog tias koj muaj lus nug, thov koj xav tiv tauj peb.