Txias rub-tawm seamless steel kav: round tube dawb paug → cua sov → perforation → taub hau → annealing → pickled → roj (tooj liab plating) → ntau txias rub-tawm (txias dov) → blank yeeb nkab → kho cua sov → ncaj → dej siab kuaj ( Detective) → cim → nkag mus rau hauv lub warehouse.
Cov hauv qab no yog ib qho kev piav qhia ntawm ob txoj kev steel yeeb nkab txheej txheem:
Cov yeeb nkab txias-rub steel siv cov kub-kuav los tiag steel rolls li raw cov ntaub ntawv, thiab txias dov dov dov dov dov dov dov dov dov dov dov dov dov dov dov dov dov dov dov dov dov dov dov dov dov dov dov dov dov dov nyuaj dov dov. Cov ntsuas yas raug txo qis, yog li kev ua haujlwm stamping yuav deteriorate thiab tsuas yog siv tau yooj yim deformation qhov chaw. Rolling nyuaj dov tuaj yeem siv los ua cov khoom siv raw rau lub Hoobkas thermal galvanized, vim tias cov thermal galvanized units tau nruab nrog cov kab annealing. Rolling dov qhov hnyav yog feem ntau 6 ~ 13.5 tons, thiab sab hauv txoj kab uas hla ntawm cov hlau yob yog 610 hli.
Feem ntau, cov hlau dov txias thiab yob yuav tsum tsis tu ncua annealing (CAPL unit) los yog annealing ntawm lub npog-hom rauv kom tshem tawm qhov txias hardening thiab dov kev ntxhov siab kom ua tiav cov kev ntsuas kev ua haujlwm tau teev tseg hauv cov qauv sib xws.
Qhov zoo ntawm qhov chaw, qhov tsos, thiab qhov tseeb ntawm qhov txias-dov steel phaj yog zoo dua li cov phaj kub-dov, thiab cov thickness ntawm nws cov khoom yog thinner mus txog 0.18mm. Kev sib sib zog nqus ntawm cov khoom nrog txias dov steel yob raws li lub substrate tau dhau los ua tus nqi siab-ntxiv cov khoom. Xws li electroplating, kub-dip galvanized, ntiv tes-tiv thaiv electroplating, xim txheej steel phaj yob thiab kev co-txo cov hlau phaj, PVC compound zaj duab xis steel daim hlau, thiab lwm yam., cov khoom no muaj cov khoom zoo xws li zoo nkauj, siab tiv thaiv corrosion, thiab lwm yam, thiab tau siv dav. Cold-rolled steel rolls yuav tsum tau ua kom zoo tom qab annealing, nrog rau txiav lub taub hau, tus Tsov tus tw, txiav ntug, tiaj tus, tiaj tus, hnyav yob, los yog longitudinal txiav phaj. Cov khoom txias-dov yog siv dav hauv kev tsim tsheb, khoom siv hauv tsev, ntsuas ntsuas, kev tsim kho, rooj tog hauv chaw ua haujlwm thiab lwm yam lag luam. Qhov hnyav ntawm txhua pob tom qab steel phaj yog 3 ~ 5 tons. Cov qhab nias ya feem ntau yog 3 ~ 10 tons / ntim. Sab hauv txoj kab uas hla ntawm cov hlau yob yog 610mm.
