Cov txheej txheem txias zeb ntau lawm pib nrog steel phaj lossis billet. Thawj kauj ruam yog kom sov cov hlau mus rau qhov kub thiab txias kom nws ua kom yooj yim dua thiab ua haujlwm yooj yim dua. Tom qab ntawd cov hlau rhuab yog dov rau hauv cov ntawv los yog coils siv lub tshuab kub. Daim ntawv los yog coil yog ces txias rau chav tsev kub hauv kev npaj rau cov txheej txheem txias dov.
Cov kauj ruam tom ntej yog kom dhau cov hlau los ntawm cov yob uas maj mam txo cov thickness ntawm daim ntawv los yog coil. Cov hlau yog compressed thiab ncab raws li nws dhau los ntawm txhua txheej ntawm cov chais, uas ua rau nyias thiab muaj zog steel ntawv los yog coil. Txias dov kuj tseem tuaj yeem txhim kho qhov ua tiav ntawm cov hlau thiab txhim kho cov khoom siv ntawm cov hlau.
Tom qab cov txheej txheem txias dov tiav, cov hlau raug tshuaj xyuas kom zoo hauv kev npaj rau kev ua haujlwm ntxiv. Cov hlau no tuaj yeem txiav rau qhov ntev, tsim rau hauv ntau yam duab, thiab coated nrog cov khoom siv tiv thaiv corrosion.
Txias dov yog txheej txheem tseem ceeb hauv kev lag luam hlau thiab hlau. Cov txheej txheem tsim cov khoom lag luam zoo steel uas tau siv dav hauv kev tsim kho, tsheb thiab kev tsim khoom lag luam. Cov txheej txheem kuj yog ib puag ncig tus phooj ywg, vim tias txias dov siv lub zog tsawg dua li kub dov.
Feem ntau, cov txheej txheem txias dov ntau lawm yog ib qho tseem ceeb rau kev tsim khoom lag luam. Nws tsim cov khoom siv hlau zoo uas ua tau raws li qhov xav tau ntawm ntau yam kev lag luam thaum txo kev cuam tshuam ib puag ncig ntawm cov txheej txheem tsim khoom.
