Nyob rau hauv lub ntiaj teb no steel manufacturing kev lag luam, zus tau tej covseamless steel tubesplays lub luag haujlwm tseem ceeb hauv ntau yam kev lag luam. Ntawm cov kev sib txawv ntawm kev ua haujlwm, cov txheej txheem txias dov yog nrov rau nws lub peev xwm los tsim cov raj zoo seamless nrog qhov tshwj xeeb qhov tseeb thiab qhov chaw tiav.
Nyob rau hauv sib piv rau kub dov, txias dov muaj qhov deformation ntawm seamless steel hlab ntawm chav tsev kub. Cov txheej txheem pib nrog kev xaiv cov billets ntawm high-zoo seamless steel hlab, ua tib zoo xyuas rau tej yam tsis xws luag los yog impurities. Cov billets no feem ntau yog ua los ntawm cov pa roj carbon tsawg lossis cov hlau alloyed thiab ua raws cov txheej txheem tu kom huv si kom tshem tawm cov kab mob ntawm qhov chaw. Thaum cov billets raug ntxuav, lawv tau rhuab mus rau qhov kub thiab txias, ua rau lawv ntau malleable. Cov rhuab billets ces dhau los ntawm cov dov mills, qhov twg lawv tau dov ob peb zaug kom txo lawv txoj kab uas hla thiab ua kom lawv ntev. Cov txheej txheem no yog nqa tawm ntawm chav tsev kub, yog li lub npe "txias dov".
Ib qho ntawm cov txiaj ntsig tseem ceeb ntawm cov txheej txheem txias dov yog nws lub peev xwm los tswj cov txheej txheem kev ncaj ncees thiab lub zog ntawm seamless steel hlab. Los ntawm kev zam kom tsis txhob muaj qhov kub thiab txias, cov qauv ntawm cov hlau tseem tsis hloov pauv, yog li txhim kho cov cuab yeej cuab tam thiab corrosion kuj. Tom qab qhov pib txoj kab uas hla yog txo, lub seamless steel raj undergoes ib tug series ntawm annealing kev kho mob kom tshem tawm cov kev ntxhov siab nyob rau hauv thiab refine lub microstructure. Annealing yog qhov tseem ceeb los xyuas kom meej tias cov khoom xav tau, xws li ductility thiab toughness, tau txais. Tom qab annealing, seamless steel raj yog txias-draw rau qhov kawg kev kho mob. Qhov no suav nrog kev kos lub raj los ntawm cov pwm nrog lub taub me me, yog li ntxiv txo qhov loj me thiab txhim kho qhov tseeb qhov tseeb. Lub raj rub seamless steel tau txais kev kho saum npoo, xws li pickling lossis phosphating, kom tshem tawm cov oxides lossis cov nplais uas tsim thaum lub sijhawm tsim khoom.
Txhawm rau ua kom tau raws li kev lag luam tshwj xeeb, cov raj txias-dov seamless steel raj tuaj yeem raug kho cov txheej txheem ntxiv, xws li kev kho cua sov, kev kuaj xyuas cov khoom siv lossis txheej txheej los txhim kho corrosion.
Cov txheej txheem txias dov muaj ntau yam zoo, suav nrog lub peev xwm los tsim cov seamless steel raj nrog nruj tolerances, zoo heev nto tiav thiab siab zog. Cov raj no tau siv dav hauv tsheb, aerospace, roj thiab roj, thiab kev tsim kho kev lag luam. Nrog rau qhov kev thov nce ntxiv rau kev txhim khu kev qha thiab ruaj khov steel raj, cov txheej txheem txias dov ua pov thawj qhov tseeb thiab kev ua haujlwm ntawm seamless steel tube manufacturing. Los ntawm kev ua kom ntseeg tau qhov zoo thiab kev ua tau zoo, cov raj txias-dov seamless steel raj ua lub luag haujlwm tseem ceeb hauv kev tsav tsheb thoob ntiaj teb kev lag luam.
Post lub sij hawm: Jun-07-2023