ERW (Electric Resistance Welded) steel kav yog ib hom dav siv ntawm longitudinal welded steel yeeb nkab. Lawv cov yam ntxwv tseem ceeb yog nyob rau hauv kev coj ua ntawm qhov siab - zaus hluav taws xob tsis kam vuam txheej txheem kom txuas ntxiv daim ntawv thiab vuam steel strips rau hauv cov kav hlau. Piv nrog seamless steel kav lossis submerged arc welded steel kav, ERW steel kav hais txog kev tsim khoom tas mus li, txheej txheem kev ruaj ntseg, thiab kev tswj xyuas qhov zoo ntawm cov vuam zoo. Yuav kom nkag siab tiag tiag lub hauv paus kev ua tau zoo ntawm ERW steel kav, peb yuav tsum pib nrog lawv cov txheej txheem ntau lawm.
I. Raw Material Preparation: Thawj Kab Kev Tiv Thaiv rau Hlau Yeeb Nkab Zoo
ERW steel kav feem ntau siv kub- dov steel coils ua raw khoom. Cov tshuaj muaj pes tsawg leeg, thickness raug, phaj puab, thiab ntug zoo ntawm cov hlau coils ncaj qha cuam tshuam rau tom qab sib sau thiab vuam tau.
Ua ntej kev tsim khoom, cov hlau coils yuav tsum tau ua kom tsis muaj kev sib tw, theem, thiab ntug trimming. Lub hom phiaj ntawm ntug trimming yog los xyuas kom meej cov npoo ntawm ob sab ntawm cov hlau sawb yog zoo huv si thiab symmetrical, muab cov kev ruaj ntseg rau tom ntej vuam. Yog tias muaj cov kab nrib pleb, tawg, lossis cov duab wavy ntawm cov npoo hlau, qhov vuam zoo yuav nyuaj rau lav.
Yog li ntawd, kev tsim cov high- zoo ERW steel kav feem ntau pib nrog nruj raw khoom soj ntsuam thiab ua ntej- kho.
II. Txoj kev tsim: Lub Ntsiab Hloov ntawm Hlau Sawb mus rau Yeeb Nkab Dawb
Cov kab hlau kho tau nkag mus rau hauv seem tsim thiab maj mam khoov los ntawm ntau cov txheej txheem ntawm cov chais, hloov los ntawm lub tiaj tiaj tiaj mus rau qhov kwv yees li lub raj raj. Cov txheej txheem no feem ntau yog siv txoj hauv kev ua kom zoo dua qub los ua kom cov hlau nplaum muaj kev ntxhov siab ntau dua thiab tsis txhob muaj kev ntxhov siab hauv zos.
Kev sib sau raug yog ncaj qha ntsig txog kev sib dhos ntawm cov vuam. Yog tias qhov tsis zoo ntawm cov npoo ntawm ob sab ntawm cov hlau sawb ntau dhau, nws yuav tsis tsuas yog cuam tshuam rau cov vuam fusion zoo, tab sis kuj tseem tuaj yeem tsim teeb meem hauv kev siv tom ntej. Yog li ntawd, cov txheej txheem tsim muaj cov kev xav tau siab rau cov menyuam qhov kev hloov kho thiab cov khoom siv ruaj khov.
III. High-Vuam zaus: Cov txheej txheem tseem ceeb ntawmERW steel yeeb nkab
Cov kab hlau tsim tau dhau los ntawm qhov siab - zaus tam sim no hauv ntu vuam, tam sim ntawd cua sov cov npoo mus rau lub xeev yas lossis molten, thiab tom qab ntawd ua tiav cov vuam nyob rau hauv lub zog extrusion. Tsis muaj vuam hlau lossis flux yog siv nyob rau hauv cov txheej txheem no, thiab cov hlau vuam yog tsuas yog muab los ntawm lub hauv paus hlau nws tus kheej.
Qhov zoo ntawm qhov siab - zaus vuam yog nyob rau hauv cov cua kub ntau, ceev ceev, thiab cov cua sov me me- thaj tsam cuam tshuam, uas pab tswj qhov sib xws ntawm tag nrho cov khoom siv ntawm cov yeeb nkab steel. Txawm li cas los xij, cov txheej txheem no tsis tshua muaj siab rau tam sim no kev ruaj ntseg, vuam ceev, thiab extrusion quab yuam tswj.
Kev tswj tsis raug ntawm cov vuam tsis zoo yuav ua rau muaj teeb meem xws li kev nkag tsis tiav, vuam tsis raug, lossis vuam overheating. Yog li ntawd, qhov vuam seem feem ntau yog qhov kev txhawj xeeb tshaj plaws hauv ERW steel yeeb nkab ntau lawm.
IV. Tshem tawm ntawm Weld Burrs thiab Weld Treatment
Tom qab vuam, qee qhov weld burrs yuav raug tsim tawm ntawm sab hauv thiab sab nraud ntawm qhov vuam. Txhawm rau kom ntseeg tau qhov tiaj tus ntawm cov phab ntsa sab hauv thiab sab nrauv ntawm cov yeeb nkab steel, cov khoom siv hluav taws xob lossis cov khoom siv tshwj xeeb feem ntau yog siv los tshem tawm cov burrs.
Weld kev kho mob tsis tsuas yog cuam tshuam rau cov tsos ntawm cov yeeb nkab steel tab sis kuj ncaj qha cuam tshuam rau kev sib kis ntawm cov kua dej, tiv thaiv -corrosion kev tsim kho zoo, thiab cov txiaj ntsig kev tshuaj xyuas tom ntej. Kev tswj tsis zoo burr tuaj yeem tsim cov ntsiab lus corrosion concentration thaum ua haujlwm.
V. Sizing thiab Straightening: Ua kom pom tseeb qhov tseeb
Cov welded steel yeeb nkab nkag mus rau hauv lub tshuab sizing, thiab cov kab uas hla sab nraud thiab roundness raug kho los ntawm ntau cov chais kom ua rau cov yeeb nkab steel ua tau raws li qhov yuav tsum tau ua. Nyob rau tib lub sijhawm, kev kho kom ncaj yog ua los xyuas kom meej tag nrho qhov ncaj ntawm cov yeeb nkab steel ua raws li cov qauv.
Cov theem no txiav txim siab qhov kev ua tau zoo kawg ntawm ERW steel kav raws li txoj kab uas hla, kev kam rau siab, thiab sib xws, thiab tseem yog ib qho tseem ceeb cuam tshuam rau lawv "usability" hauv engineering installation.
VI. Ntawm -Kev Tshuaj Xyuas Kab thiab Kev Tswj Xyuas Zoo
Niaj hnub nimno ERW steel yeeb nkab ntau lawm kab feem ntau yog nruab nrog rau ntawm - kab kev tshuaj xyuas kab los ua qhov tsis yog - kev puas tsuaj rau cov welds, xws li eddy tam sim no kuaj lossis kuaj ultrasonic. Cov txheej txheem no tuaj yeem kuaj xyuas qhov tsis xws ntawm vuam hauv lub sijhawm tiag tiag - thiab kho cov khoom tsis raug raws sijhawm.
Tsis tas li ntawd, kev ntsuam xyuas hydrostatic, kev kuaj xyuas cov cuab yeej cuab tam, thiab kev ntsuas qhov ntev yog ua raws li tus qauv yuav tsum tau ua kom ntseeg tau tias cov kav hlau tiav tiav raws li cov lus qhia tshwj xeeb.
VII. Yeeb Nkab Txiav, Chamfering, thiab Kev Kho Cov Khoom Ua tiav
Cov kav hlau raug tshuaj xyuas raug txiav raws li qhov kev txiav txim ntev, thiab chamfering lossis groove ua tiav raws li qhov xav tau. Thaum kawg, lawv nkag mus rau kev tiv thaiv xeb thiab kev ntim khoom txuas kom tiav tag nrho cov txheej txheem tsim khoom.
Xaus
Txawm hais tias cov txheej txheem tsim khoom ntawm ERW steel kav zoo li txuas ntxiv thiab ua haujlwm tau zoo, txhua txoj kev muaj feem cuam tshuam nrog qhov zoo kawg nkaus. Los ntawm kev tswj cov khoom siv raw, tsim kom raug, siab - zaus vuam tsis zoo rau qhov kev tshuaj ntsuam xyuas, kev tsis saib xyuas hauv ib qho txuas yuav nce mus rau cov khoom tiav cov teeb meem zoo.
Nws yog los ntawm kev tswj xyuas kom zoo ntawm tag nrho cov txheej txheem tsim khoom uas ERW steel kav tuaj yeem siv dav hauv kev tsim vaj tsev hauv nroog, cov kav dej, kev tsim vaj tsev, thiab lwm yam. Rau cov neeg yuav khoom, kev nkag siab txog cov laj thawj tsim khoom ntawm ERW steel kav kuj tseem pab txhawm rau txheeb xyuas cov khoom lag luam zoo thiab cov khoom muaj peev xwm.
