Welded steel yeeb nkab yog seamed steel yeeb nkab.Nws cov khoom yog khoov lub raj khoob (steel phaj thiab steel sawb) rau hauv ib lub raj nrog qhov yuav tsum tau ua ntu ntu thiab loj los ntawm ntau txoj kev sib sau, thiab tom qab ntawd siv cov txheej txheem sib txawv los ua cov vuam sib txuas ua ke.Cov txheej txheem tau txais cov kav hlau.
Piv nrog seamless steel yeeb nkab thiab welded yeeb nkab, nws muaj cov yam ntxwv ntawm cov khoom siab precision, tshwj xeeb tshaj yog cov phab ntsa thickness precision, yooj yim cov cuab yeej tseem ceeb, me me hneev taw, nruam kev lag luam hauv ntau lawm, hloov tau ntau lawm, thiab ntau yam khoom ntawm chav tsev.
Ib qho, Cov txheej txheem tsim khoom ntawm kauv steel yeeb nkab yog kwv yees li hauv qab no:
1. Cov ntaub ntawv raw ntawm kauv steel yeeb nkab yog sawb steel coil, vuam hlau thiab flux.
2. Ua ntej kev sib sau, cov sawb hlau yog leveled, trimmed, planed, nto ntxuav, thauj thiab pre-bent.
3. Weld gap control device yog siv los xyuas kom meej tias qhov sib txawv weld ua tau raws li qhov xav tau ntawm vuam, thiab cov yeeb nkab txoj kab uas hla, misalignment thiab weld gap yog nruj me ntsis tswj.
4. Tom qab txiav rau hauv ib leeg cov kav hlau, thawj peb lub kav hlau steel ntawm txhua pawg yuav tsum tau ua raws li kev tshuaj xyuas thawj zaug los xyuas cov khoom siv hluav taws xob, tshuaj lom neeg muaj pes tsawg leeg, fusion txheej txheem ntawm cov welds, qhov zoo ntawm cov kav hlau thiab tsis muaj kev puas tsuaj. los xyuas kom meej tias cov yeeb nkab ua cov txheej txheem tsim nyog.Tom qab ntawd, nws tuaj yeem raug muab tso rau hauv kev tsim khoom.
Thib ob, ncaj seam submerged arc welded yeeb nkab:
Qhov ncaj seam submerged arc welded yeeb nkab (LSAW) feem ntau siv cov hlau phaj ua cov khoom siv raw, thiab ua tiav cov txheej txheem sib txawv los tsim cov kav dej los ntawm ob sab submerged arc vuam thiab tom qab vuam txoj kab uas hla.
Cov cuab yeej tseem ceeb suav nrog lub tshuab milling, ua ntej khoov tshuab, sib sau tshuab, tshuab ua ntej vuam, txoj kab uas hla expanding tshuab, thiab lwm yam. Tib lub sijhawm, txoj kev tsim cov kav dej LSAW suav nrog UO (UOE), RB (RBE), JCO (JCOE), thiab lwm yam. Cov phaj hlau yog thawj zaug nias rau hauv U hom hauv kev sib sau tuag, thiab tom qab ntawd nias rau hauv O zoo, thiab tom qab ntawd sab hauv thiab sab nraud submerged arc vuam yog ua.Tom qab vuam, txoj kab uas hla (Expanding) thaum kawg lossis tag nrho qhov ntev feem ntau hu ua UOE welded yeeb nkab, thiab ib qho tsis muaj txoj kab uas hla expansion hu ua UOE welded yeeb nkab.Rau UO welded yeeb nkab.Cov hlau phaj yog dov rau hauv cov duab (Yob Bending), thiab tom qab ntawd sab hauv thiab sab nraud submerged arc vuam yog nqa tawm.Tom qab vuam, txoj kab uas hla yog nthuav mus rau hauv RBE welded yeeb nkab lossis RBE welded yeeb nkab tsis muaj txoj kab uas hla expansion.Cov hlau phaj yog tsim nyob rau hauv kev txiav txim ntawm JCO-hom, thiab tom qab welding, txoj kab uas hla yog nthuav mus rau hauv JCOE welded yeeb nkab los yog JCO welded yeeb nkab tsis muaj txoj kab uas hla expansion
UOE LSAW yeeb nkab txoj kev:
Peb lub ntsiab txheej txheem ntawm UOE LSAW steel yeeb nkab txoj kev tsim muaj xws li: steel phaj pre-bending, U forming thiab O forming.Txhua tus txheej txheem siv cov xovxwm tshwj xeeb los ua kom tiav peb cov txheej txheem ua ntej khoov ntawm ntug ntawm cov hlau phaj, U sib sau thiab O sib sau ua ke, thiab deform steel phaj rau hauv lub voj voog.
JCOE LSAW yeeb nkab txoj kev:
Kev Tsim: Tom qab ntau lub kauj ruam-rau-kauj ruam stamping ntawm JC0 txoj kev tshuab, thawj ib nrab ntawm cov hlau phaj yog nias rau hauv "J" zoo, thiab tom qab ntawd ib nrab ntawm cov hlau phaj yog nias rau hauv "J" zoo li daim ntawv. ib tug C" puab, thiab thaum kawg pressurized los ntawm nruab nrab thiaj li hais tias daim ntawv qhib "0" zoo tube Tshuag.
Kev sib piv ntawm JCO thiab UO molding txoj kev:
JCO forming yog kev ua haujlwm siab, uas hloov cov txheej txheem ntawm cov yeeb nkab steel los ntawm ob kauj ruam ntawm UO ua rau ntau kauj ruam.Thaum lub sij hawm tsim cov txheej txheem, lub deformation ntawm steel phaj yog ib yam, cov residual kev nyuaj siab yog me me, thiab nto tsis tsim khawb.
Cov kav hlau ua tiav tau yooj yim dua hauv qhov loj thiab qhov tshwj xeeb ntawm txoj kab uas hla thiab phab ntsa tuab, thiab tuaj yeem tsim cov khoom loj thiab cov khoom me me;nws tuaj yeem tsim cov kav dej loj-txoj kab uas hla lub zog tuab-walled steel kav, thiab tseem tuaj yeem tsim cov kav hlau me me thiab tuab-walled steel kav;tshwj xeeb tshaj yog nyob rau hauv zus tau tej cov high-qib tuab-walled kav, tshwj xeeb tshaj yog me me thiab nruab nrab-inch tuab-walled kav, uas muaj incomparable zoo dua lwm yam txheej txheem.
Nws tuaj yeem ua tau raws li qhov xav tau ntau ntawm cov neeg siv raws li cov qauv ntawm cov yeeb nkab steel.Kev nqis peev yog me me, tab sis qhov kev ua tau zoo ntawm cov khoom lag luam yog tsawg, thiab cov txiaj ntsig txhua xyoo yog 100,000 txog 250,000 tons.
UO molding yog tsim los ntawm U thiab O ob zaug ntawm siab molding.Nws yog tus cwj pwm los ntawm qhov muaj peev xwm loj thiab cov zis siab.Feem ntau, cov zis txhua xyoo tuaj yeem ncav cuag 300,000 txog 1 lab tons, uas yog tsim rau kev tsim khoom loj ntawm ib qho tshwj xeeb.
3. Ncaj seam siab zaus welded yeeb nkab:
Ncaj seam high-frequency welded yeeb nkab (ERW) yog kom sov thiab yaj lub ntug ntawm lub raj billet los ntawm kev siv cov nyhuv ntawm daim tawv nqaij thiab cov nyhuv sib thooj ntawm high-frequency tam sim no tom qab kub-dov coil yog tsim los ntawm lub tshuab tsim, thiab lub siab. welding yog nqa tawm nyob rau hauv qhov kev txiav txim ntawm extrusion roller kom ua tiav ntau lawm.
Welded steel yeeb nkab, tseem hu ua welded yeeb nkab, yog cov yeeb nkab steel ua los ntawm steel phaj los yog sawb hlau tom qab crimping thiab vuam.Welded steel yeeb nkab muaj cov txheej txheem tsim khoom yooj yim, kev ua haujlwm siab ntau lawm, ntau ntau yam thiab cov kev qhia tshwj xeeb, thiab cov cuab yeej siv tsawg dua, tab sis nws lub zog dav dav yog qis dua li seamless steel yeeb nkab.
Txij li thaum xyoo 1930s, nrog rau kev txhim kho sai ntawm kev sib txuas ua ke ntawm cov hlau zoo thiab kev nce qib ntawm vuam thiab tshuaj xyuas tshuab, qhov zoo ntawm welds tau raug txhim kho tas li, thiab ntau yam thiab cov ntsiab lus ntawm cov kav hlau welded tau nce ib hnub. .Seam steel yeeb nkab.Welded steel kav yog muab faib ua ncaj seam welded kav thiab muab kauv welded kav raws li daim ntawv ntawm weld seam.
Kev faib tawm los ntawm cov txheej txheem ntau lawm: txheej txheem kev faib tawm - arc welded yeeb nkab, hluav taws xob tsis kam welded yeeb nkab, (siab zaus, tsis tshua muaj zaus) roj welded yeeb nkab, rauv welded yeeb nkab.Cov txheej txheem ntau lawm ntawm txoj kab ncaj nraim welded yeeb nkab yog qhov yooj yim, qhov kev ua tau zoo yog siab, tus nqi qis, thiab kev loj hlob sai.Lub zog ntawm cov kauv welded yeeb nkab feem ntau siab tshaj qhov ncaj seam welded yeeb nkab, thiab cov yeeb nkab welded nrog ib txoj kab uas hla loj tuaj yeem ua tau nrog cov kab nqaim, thiab cov kav hlau txuas nrog cov kab sib txawv tuaj yeem tsim nrog tib qhov dav dav.Tab sis piv nrog cov yeeb nkab ncaj seam ntawm tib qhov ntev, qhov ntev ntawm vuam yog nce los ntawm 30 ~ 100%, thiab qhov ceev ntau lawm yog qis dua.
Cov Qauv Khoom
Cov khoom siv feem ntau siv rau cov kav dej yog: Q235A, Q235C, Q235B, 16Mn, 20#, Q345, L245, L290, X42, X46, X60, X80, 0Cr13, 1Cr17, 00Cr19Ni101N, thiab lwm yam
Cov blanks siv rau welded steel kav yog steel daim hlau los yog sawb hlau, uas tau muab faib ua rau hauv lub cub tawg welded kav, hluav taws xob welding (kuj vuam) kav thiab tsis siv neeg arc welded kav vim lawv cov txheej txheem vuam sib txawv.Vim nws cov ntaub ntawv sib txawv, nws tau muab faib ua ob hom: ncaj seam welded yeeb nkab thiab kauv welded yeeb nkab.Vim nws qhov kawg zoo, nws tau muab faib ua puag ncig welded yeeb nkab thiab tshwj xeeb-puab (square, ca, thiab lwm yam) welded yeeb nkab.Vim lawv cov khoom sib txawv thiab kev siv, cov kav dej welded tau muab faib ua ntau yam hauv qab no:
GB / T3091-2001 (galvanized welded steel yeeb nkab rau cov dej tsis tshua muaj siab).Feem ntau yog siv rau kev xa dej, roj, huab cua, roj thiab cua sov dej los yog chav dej thiab lwm yam dej siab thiab lwm yam.Nws cov khoom sawv cev yog: Q235A qib steel.
GB / T14291-2006 (welded steel kav rau kuv cov kua thauj).Nws yog tsuas yog siv rau ncaj seam welded steel kav rau mine compressed cua, kua, thiab ncej tso pa roj.Nws cov khoom sawv cev yog Q235A thiab B qib steel.GB / T14980-1994 (qhov loj-inch hluav taws xob-welded steel kav rau kev thauj mus los ntawm cov dej tsis tshua muaj siab).Feem ntau yog siv rau kev xa dej, dej phwj tuaj, roj, huab cua, cua sov chav thiab lwm yam dej tsis zoo thiab lwm yam.Nws cov khoom sawv cev yog Q235A qib steel.
GB / T12770-2002 (stainless steel welded steel kav rau cov khoom siv kho tshuab).Feem ntau siv hauv tshuab, tsheb, tsheb kauj vab, rooj tog zaum, tsev so thiab tsev noj mov kho kom zoo nkauj thiab lwm yam khoom siv thiab cov khoom siv.Nws cov ntaub ntawv sawv cev yog 0Cr13, 1Cr17, 00Cr19Ni11, 1Cr18Ni9, 0Cr18Ni11Nb, thiab lwm yam.
GB / T12771-1991 (stainless steel welded steel kav rau kev thauj mus los).Nws yog tsuas yog siv rau kev xa cov xov xwm uas tsis tshua muaj siab corrosive.Cov ntaub ntawv sawv cev yog 0Cr13, 0Cr19Ni9, 00Cr19Ni11, 00Cr17, 0Cr18Ni11Nb, 0017Cr17Ni14Mo2, thiab lwm yam.
Tsis tas li ntawd, welded stainless hlau kav rau kho kom zoo nkauj (GB / T 18705-2002), welded stainless hlau kav rau architectural kho kom zoo nkauj (JG / T 3030-1995), loj-inch fais welded steel kav rau low-pressure fluid kis tau tus mob (GB/ T 3091-2001), thiab Welded steel kav rau tshav kub exchangers (YB4103-2000).
Ntau lawm technology thiab txheej txheem
Cov txheej txheem ntau lawm ntawm txoj kab ncaj nraim welded yeeb nkab yog qhov yooj yim, qhov kev ua tau zoo yog siab, tus nqi qis, thiab kev loj hlob sai.Lub zog ntawm cov kauv welded yeeb nkab feem ntau yog siab tshaj qhov ncaj seam welded yeeb nkab, thiab cov yeeb nkab welded nrog ib txoj kab uas hla loj tuaj yeem tsim nrog ib txoj kab nqaim, thiab welded kav nrog cov diameters sib txawv tuaj yeem tsim nrog tib qhov dav dav.Tab sis piv nrog cov yeeb nkab ncaj seam ntawm tib qhov ntev, qhov ntev ntawm vuam yog nce los ntawm 30 ~ 100%, thiab qhov ceev ntau lawm yog qis dua.
Welded kav nrog txoj kab uas hla loj los yog thicker diameters feem ntau ncaj qha ua los ntawm steel billets, thaum me me welded kav thiab nyias-walled welded kav tsuas yog yuav tsum tau ncaj qha welded los ntawm steel strips.Tom qab ntawd tom qab ib qho yooj yim polishing, txhuam rau nws.Yog li ntawd, feem ntau ntawm cov welded kav nrog me diameters txais ncaj seam welding, thiab feem ntau ntawm cov loj txoj kab uas hla welded kav txais kauv vuam.
Ntxiv: Cov yeeb nkab welded yog welded nrog sawb hlau, yog li nws cov xwm txheej tsis siab npaum li cov yeeb nkab seamless.
Welded yeeb nkab txheej txheem
Raw khoom decoiling-leveling-kawg txiav thiab vuam-xov-ua-vuam-tshem tawm ntawm sab hauv thiab sab nrauv vuam hlaws-pre-calibration-induction cua sov kho-sizing thiab straightening-eddy tam sim no kuaj- Txiav-dej siab tshuaj xyuas-pickling-kawg kev tshuaj xyuas (kev kuaj nruj)-packing-shipping.
Post lub sij hawm: Jan-09-2023