Dab tsi yog erw steel yeeb nkab?
Hlobsawv rauHluav taws xob tiv thaiv vuamCov. Nws yog qhov siab - zaus vuam txheej txheem siv los tsim cov ntawv hlau yeeb (skelp) thiab dhau los ntawm kev tsim cov hlua khi los tsim cov cylindrical puab. Ob lub npoo yog tom qab ntawd rhuab thiab fused ua ke nyob rau hauv siab yam tsis muaj kev siv ntawm cov muab tub lim hlau.
Cov ntsiab lus tseem ceeb yog:
Khoom siv:Ua los ntawm hlau chev (ntawv).
Txheej txheej:Tsim thiab welded siv hluav taws xob tsis kam.
Seam:Nws muaj ib qho, ntev ntev weld seam raws nws qhov ntev.
Cov txheej txheem ERW kev tsim khoom (Kauj Ruam - - kauj ruam)
Uncoiling:Ib co coil ntawm steel sawb (skelp) yog thauj khoom thiab tsis hnav ris tsho.
Leveling:Lub sawb dhau dhau los ntawm lub tshuab ntsuas nyiaj kom tshem tawm ib qho curvature lossis tsis zoo.
TRIMMING:Cov npoo ntawm cov sawb yog txiav kom lawv ncaj thiab huv rau ib tus neeg Weld zoo meej.
Txoj kev sib sau:Lub tiaj tiaj tiaj tiaj tau tsim los ua ib qho cylindrical los ntawm cov series ntawm contoured rolls.
Vuam:Qhov no yog qhov tseem ceeb ntawm cov txheej txheem. Qhib cov npoo ntawm lub tog raj kheej raug coj ua ke.
High - zaus tam sim no:Qhov siab - zaus hluav taws xob tam sim no (txawm yog AC lossis DC) tau thov rau cov npoo. Qhov kev nkag siab tam sim no nyob rau saum npoo (cov nyhuv tawv nqaij) thiab ua kom cov npoo rau ib qho kev ntsuas kub (tsuas yog hauv qab lub taw tes melting).
Siab:Nyem rolls siv tau siab, yuam cov molten sawv ua ke los ua ib qho khoom khov kho ua ke los ua cov khoom khov kho ua ke los ua cov khoom siv}}} lub xeev ntaus weld.
Weld anneal annaling (kev kho cua sov):Weld Seam feem ntau kub -}} kho (li qub lossis anealed) tam sim ntawd tom qab vuam. Qhov no yog ib kauj ruam tseem ceeb uas ua kom cov qauv sib dhos ntawm lub chaw weld, ua kom muaj zog li, lossis muaj zog dua li, cov hlau).
Sizing:Cov yeeb nkab hla los ntawm sizing yob kom ua tiav nws qhov kawg, ua raws li sab nraud ntawm lub taub (OD).
Tej:Nruam cov yeeb nkab tau txiav rau qhov yuav tsum tau ntev siv ib ya tawm - tawm tau pom.
Kuaj thiab tshuaj xyuas:Cov yeeb nkab undergoes nyuaj cov tshev tsis zoo, uas yuav suav nrog hydostatic kev sim (kev sim siab), kev sim tshuaj ntsuam xyuas kom ntseeg tau tias muaj kev ncaj ncees ntawm Weld.
Xov:Cov kauj ruam kawg zoo li ncaj, xaus {- tig rov, thiab txheej (piv txwv li, varvanizing) tau ua.
Cov yam ntxwv tseem ceeb thiab cov txiaj ntsig zoo
Tus nqi -}} Ua tau zoo:Cov txheej txheem ERW yog qhov ua tau zoo thiab siv tau, ua rau nws muaj ib txoj kev lag luam ntau tshaj plaws rau kev tsim cov yeeb nkab loj.
Zoo li phab ntsa tuab:Vim tias nws tau tsim los ntawm cov khaub ncaws sib txawv ntawm cov hlau, lub phab ntsa tuab yog heev.
Zoo saum npoo ua tiav:ERW kav muaj qhov chaw du, ob sab hauv thiab sab nraud.
Siab siab downensional:Cov txheej txheem sizing kom ntseeg tau zoo heev kev tswj hwm ntawm sab nraud ntawm lub cheeb.
Ntau ntau qhov ntau thiab tsawg:Muaj nyob rau hauv ntau qhov diameters (los ntawm 1/2 nti mus rau dhau 24 ntiv taw) thiab phab ntsa thicknesses.
Muaj zog weld:Niaj hnub nimno siab - muaj E} zaus ERW (HFW) Technology, ua ke nrog kev kho cua sov, ua rau kev kho cua sov, ua rau kev kho cua sov nrog cov khoom siv hluav taws xob.
Cov Kev Siv Cov Ntawv Siv
ERW kav yog ntau yam thiab siv nyob rau hauv ntau kev lag luam:
Roj Thiab Roj:Rau kev sib sau cov kab, ntws cov kab, thiab qee cov kis kab rau tsis - cov kua ntshav.
Dej muab khoom:Rau kev faib dej hauv nroog.
Cov ntawv thov txheej txheem:Raws li scaffolding, fencing, thiab hauv kev tsim qauv.
Automotive:Rau ntau yam txheej txheem thiab cov khoom siv.
Rooj tog:Rau kev ua cov thav ntawv thiab ob txhais ceg.
Hluav Taws Xob Cov Lus Qhia:Los tiv thaiv hluav taws xob.
ERW vs. Lwm hom yeeb nkab steel
Nws yog ib qho tseem ceeb kom paub qhov txawv erw los ntawm lwm cov kev tsim cov kev tsim cov txheej txheem.
| Yam zoo | ERW (hluav taws xob tiv thaiv welded) | Seamless (sms) | Pom (submerged arc welded) |
|---|---|---|---|
| Kev tsim khoom | Tsim los ntawm sawb steel thiab welded longitudinally. | Khoom siv hlau billet yog chob thiab dov hla ib lub mandrel.Tsis muaj Weld Seam. | Tsim los ntawm cov phaj steel thiab welded siv ib qho arc nyob rau hauv flux txheej. |
| Txog leeg | Ib leeg, ntev ntev weld seam. | Tsis muaj nqes. | Ib leeg lossis ob chav ntev lossis muab kauv (cov leeg ntoo) leeg. |
| Tus nqi | Feem ntau yigrau qhov ob qhov ntau thiab tsawg. | Feem ntau kim dua vim muaj cov txheej txheem nyuaj. | Economical rau txoj kab uas ua haujlwm loj thiab phab ntsa hnyav. |
| Loj npaum li cas | Me me rau nruab nrab diameters (txog 24 "). | Me me rau ntawm txoj kab uas loj heev. | Cov kab mob loj loj (dhau 24 ") thiab tuab phab ntsa. |
| Siab Ntsuam | Zoo rau nruab nrab cov ntawv thov. | Zoo heev rau high - qhov siab, tseem ceeb siv. | Zoo heev rau high - qhov siab, loj- teev cov ntawv thov. |
| Kev siv ntau | Cov dej dej, cov qauv txheej txheem, qis {- siab roj & roj. | High - cov roj kub & roj, khaws, cov nroj tsuag hluav taws xob. | Ntev - deb dej phipelines, piling, loj qauv. |
Daim ntawv cim rau "ERW" vs. "CW" (weld)
Laus dua, qis {- zaus E} zaus erw cov neeg tsim ua ntej xyoo 1970 qee zaum muaj teeb meem Weld Seam Corrosion. Niaj hnubHigh - zaus erw (hf - Erw lossis HFW)tau tshem tawm cov teeb meem no ntau. Lo lus "txuas ntxiv weld (cW)" feem ntau yog hais txog ib tug laus dua, qis- cov txheej txheem zoo. Niaj hnub no, thaum tib neeg xa mus rau ERW, lawv yuav luag ib txwm txhais tau tias niaj hnub, siab- zaus version.
Lub ntsiab
ERW steel yeeb nkab yog tus nqi -}} {{1} Cov khoom lag luam haum rau ntau cov ntawv thov.Nws lub zog, sib xws, thiab pheej yig ua thawj qhov kev xaiv rau ntau yam kev tsim kho, cov phiaj xwm, tshwj xeeb yog qhov siab siab tsis yog qhov kev txhawj xeeb tseem ceeb.
