Hauv kev tsim cov txheej txheem ntawm Hluav Taws Xob Hluav Taws Xob Welded steel kav, qhov zoo ntawm cov hlau kauj siv los ua cov khoom siv raw ua lub luag haujlwm txiav txim siab hauv qhov kawg ntawm cov yeeb nkab. Txij li thaum ERW cov kav dej yog tsim los ntawm kev txuas ntxiv ua cov hlau sawb rau hauv cov duab cylindrical thiab vuam cov npoo ua ke, txhua qhov chaw ntawm lub coil tuaj yeem cuam tshuam ncaj qha rau vuam seam, tsim kev ruaj ntseg, thiab cov khoom siv ntawm cov khoom tiav. Vim li no, kev tswj xyuas nruj ntawm steel coil nto zoo yog ib kauj ruam tseem ceeb hauv ERW yeeb nkab ntau lawm. Kev tshuaj xyuas saum npoo yog tsom rau kev txheeb xyuas qhov tsis xws luag xws li nplai, kab nrib pleb, suav nrog, thiab ntug qhov tsis sib xws uas tuaj yeem cuam tshuam qhov sib xws ntawm vuam sib xws lossis kev ua haujlwm zoo.
Qhov tseem ceeb ntawm qhov zoo yuav tsum tau rau cov hlau coils
Hom Defects thiab yam ntxwv
| Hom kev puas tsuaj | Kev piav qhia | Ua Tau |
|---|---|---|
| Oxide nplai | Tsaus lossis ntxhib oxide txheej tsim thaum kub dov | Kub kub raug thaum dov |
| Nto tawg | Linear lossis irregular fractures ntawm lub strip nto | Thermal stress los yog dov tsis xws luag |
| Ntug tsis xws luag | Burrs, waviness, los yog cov npoo tsis sib xws | Tsis zoo slitting los yog coil trimming |
| suav nrog | Tsis yog-cov khoom siv hlau uas muaj nyob hauv cov hlau | Steelmaking impurities |
Steel coils siv nyob rau hauv ERW yeeb nkab ntau lawm yuav tsum tau raws li nruj deg huv si thiab tsis xws luag tswj cov qauv. Ib qho ntawm cov txheej txheem saum npoo feem ntau yog oxide nplai, uas tsim ib txwm nyob rau hauv cov txheej txheem kub dov thaum hlau raug kub siab thaum muaj oxygen. Txawm hais tias ib txheej nyias ntawm oxide nplai feem ntau yog siv tau, qhov ntsuas ntau dhau tuaj yeem cuam tshuam nrog cov txheej txheem vuam hluav taws xob. Cov txheej oxide tuab tuaj yeem txo cov hluav taws xob conductivity ntawm cov npoo npoo, cuam tshuam rau cov cua sov ua haujlwm thiab muaj peev xwm ua rau tsis ruaj khov weld tsim.
Nto tawg yog suav tias yog ib qho ntawm cov teeb meem loj tshaj plaws hauv cov hlau coils. Cov kab nrib pleb no tuaj yeem tshwm sim thaum lub sij hawm dov txheej txheem thaum cov hlau ntsib kev ntxhov siab ntau dhau los yog cov tshuab deformation. Thaum cov teeb meem zoo li no tseem tsis tau txheeb xyuas thiab nkag mus rau theem tsim, lawv tuaj yeem nthuav tawm raws cov yeeb nkab lub cev lossis ncav cuag thaj chaw weld seam, txo qis cov qauv ntawm cov yeeb nkab tiav.
Ntug zoo yog qhov tseem ceeb tshwj xeeb rau ERW yeeb nkab tsim. Txij li cov txheej txheem vuam koom nrog ob lub npoo ntawm cov sawb ua ke, cov npoo yuav tsum huv, du, thiab geometrically zoo ib yam. Yog hais tias cov npoo npoo muaj burrs, waviness, los yog tsis sib xws, cov ntawv yob yuav tsis ua kom cov npoo kom raug ua ntej vuam. Qhov kev ua tsis zoo no tuaj yeem tsim kev sib txuas tsis ruaj khov, tsis tiav fusion, lossis kev siv vuam ntau dhau.
Tsis yog-kev suav nrog hlau yog lwm qhov chaw- cuam tshuam txog kev txhawj xeeb. Cov kev suav nrog no yog cov khoom me me xws li oxides, sulfides, lossis silicates uas tuaj yeem nkag mus rau hauv cov hlau thaum lub sijhawm ua cov hlau. Thaum lawv tshwm nyob ze ntawm qhov chaw, lawv yuav ua rau cov chaw tsis muaj zog uas pom thaum lub sij hawm tsim los yog vuam ua haujlwm.
Kev tshuaj xyuas cov txheej txheem rau Steel Chev Nto Zoo
Kev tshuaj xyuas cov txheej txheem hauv ERW Pipe Production
| Txoj kev tshuaj xyuas | Detection Principple | Daim ntawv thov |
|---|---|---|
| Kev tshuaj xyuas qhov muag | Phau ntawv kev soj ntsuam ntawm qhov chaw | Thawj qhov kev tshuaj ntsuam zoo |
| Eddy kev sim tam sim no | Nthuav cov kev hloov pauv conductivity | Nto crack detection |
| Kev kuaj ultrasonic | Siv suab nthwv dej txhawm rau txheeb xyuas cov teeb meem sab hauv | Subsurface flaw detection |
| Automated nto scanning | Optical lossis laser -raws li kev tshawb nrhiav | Kev tshuaj xyuas tas li |
Txhawm rau kom ntseeg tau tias cov hlau coils ua tau raws li cov qauv tsim nyog, ntau txoj hauv kev tshuaj xyuas tau siv ua ntej thiab thaum lub sijhawm ERW cov txheej txheem tsim khoom. Thawj theem feem ntau suav nrog kev tshuaj xyuas qhov muag. Cov kws tshuaj ntsuam xyuas tau kuaj xyuas cov coil nto kom pom qhov tsis xws luag xws li hnyav oxide nplai, nto tawg, khawb, lossis cov npoo tsis sib xws. Txawm hais tias kev tshuaj xyuas qhov muag yog qhov yooj yim, nws tseem yog thawj kauj ruam zoo hauv kev txheeb xyuas qhov tsis xws luag uas tuaj yeem cuam tshuam rau kev tsim khoom.
Txhawm rau kom paub meej meej dua, tsis yog -cov thev naus laus zis ntsuas kev puas tsuaj yog siv dav. Eddy kev ntsuam xyuas tam sim no feem ntau siv los txheeb xyuas cov kab nrib pleb lossis kev cuam tshuam me me. Txoj kev no ua haujlwm los ntawm inducing ib qho electromagnetic teb nyob rau hauv steel sawb thiab ntsuas variations nyob rau hauv hluav taws xob conductivity tshwm sim los ntawm tsis xws luag. Txij li thaum ERW welding cia siab rau hluav taws xob cua sov, kev tswj xyuas kev ua tau zoo raws li cov npoo npoo yog qhov tseem ceeb rau kev ua haujlwm vuam ruaj khov.
Kev kuaj ultrasonic yog lwm cov txheej txheem tshuaj xyuas tseem ceeb. Siab - zaus suab nthwv dej yog kis los ntawm cov khoom siv hlau, thiab cov kev xav tau raug tshuaj xyuas los txheeb xyuas qhov teeb meem sab hauv lossis subsurface. Txawm hais tias ERW vuam feem ntau cuam tshuam cov npoo npoo ntawm cov kab nrib pleb, qhov tsis xws luag hauv subsurface tseem tuaj yeem cuam tshuam rau kev ua haujlwm ntawm cov yeeb nkab kawg, tshwj xeeb hauv qib siab - lub zog.
Niaj hnub nimno ERW cov kab ntau lawm feem ntau sib koom ua ke automated nto scanning systems uas siv lub koob yees duab, laser sensors, los yog optical detectors mus txuas ntxiv saib cov hlau sawb raws li nws txav los ntawm txoj kab. Cov tshuab no tuaj yeem txheeb xyuas qhov tsis xws luag hauv lub sijhawm tiag tiag thiab muab kev tawm tswv yim rau cov neeg ua haujlwm tsim khoom, tso cai rau cov seem tsis raug tshem tawm ua ntej nkag mus rau theem vuam.
Kev cuam tshuam ntawm Surface Quality ntawm ERW Vuam
Cov txheej txheem ERW vuam nyob ntawm qhov hnyav ntawm kev sib cuam tshuam ntawm cov hluav taws xob tiv thaiv cua sov thiab cov tshuab ua haujlwm siab. Cov npoo ntawm steel sawb yog rhuab los ntawm siab - zaus tam sim no kom txog rau thaum lawv ncav cuag ib lub xeev yas, tom qab uas lawv tau forged ua ke los tsim ib qho khoom weld seam. Txhua qhov tsis sib xws ntawm cov kab nrib pleb lossis ntug tuaj yeem cuam tshuam cov txheej txheem no.
Tshaj oxide nplai nyob ze ntawm cov npoo npoo tuaj yeem txo qhov kev ua haujlwm ntawm cov hluav taws xob tam sim no thaum vuam. Thaum cov conductivity raug txo, cov cua kub kub yuav ua tsis sib xws, ua rau tsis tiav kev sib txuas ntawm weld interface. Qhov no tuaj yeem ua rau muaj qhov tsis xws luag xws li tsis muaj fusion lossis tsis muaj zog seam.
Cov kab nrib pleb nyob ze ntawm ntug npoo yog qhov txaus ntshai tshwj xeeb vim tias lawv tuaj yeem nthuav tawm thaum vuam. Lub voj voog cua kub ceev thiab cua txias hauv cov txheej txheem ERW tuaj yeem ua rau cov kab nrib pleb no txuas mus rau hauv cov vuam seam lossis thaj chaw uas muaj kev kub ntxhov, uas ua rau muaj kev pheej hmoo ntawm kev ua tsis tiav thaum lub sij hawm ntsuas siab los yog ntev - kev pabcuam.
Ntug geometry tseem ua lub luag haujlwm tseem ceeb hauv kev ruaj ntseg vuam. Yog hais tias cov npoo ntawm cov hlau tsis raug txiav kom zoo los yog muaj cov burrs, cov txheej txheem tsim yuav ua rau me ntsis sib txawv los yog misalignment ntawm qhov vuam taw tes. Xws li irregularities yuav tsim inconsistent siab thaum lub sij hawm forging theem ntawm vuam, uas ua rau lub weld seam qauv tsis sib xws.
Kev suav nrog qhov tsis xws luag nyob ze ntawm qhov chaw kuj tseem tuaj yeem cuam tshuam qhov zoo ntawm vuam. Thaum lub sij hawm kub kub txheej txheem vuam, inclusions tuaj yeem ua cov ntsiab lus pib rau microcracks lossis hauv zos tsis muaj zog. Rau cov ntawv thov kev ntseeg siab xws li cov roj thiab cov kav dej, kev tswj hwm nruj ntawm kev suav nrog hauv cov hlau coils yog qhov tseem ceeb.
Qhov tseem ceeb ntawm Surface Quality Control hauv ERW Pipe Manufacturing
Kev tswj qhov zoo ntawm cov hlau coils yog qhov tseem ceeb rau kev tsim cov kav dej ERW zoo. Vim hais tias cov txheej txheem ntau lawm yog tas mus li thiab siab automated, ib qho tsis xws luag tam sim no nyob rau hauv cov khoom siv raw tuaj yeem cuam tshuam qhov ntev ntawm cov yeeb nkab yog tias tsis pom thaum ntxov. Vim li no, niaj hnub ERW yeeb nkab tuam ntxhab tsim cov txheej txheem kev tshuaj xyuas cov khoom siv nruj heev thiab sib koom ua ke cov kev soj ntsuam zoo rau hauv cov kab ntau lawm.
Los ntawm kev xyuas kom meej tias cov hlau coils ua tau raws li cov qauv kev ua tau zoo, cov tuam ntxhab tuaj yeem ua tiav qhov kev ua haujlwm ruaj khov, cov khoom siv zoo ib yam, thiab qhov tseeb qhov tseeb ntawm cov kav dej tiav. Qhov kev tswj xyuas zoo no yog qhov tseem ceeb tshwj xeeb hauv cov ntawv thov xws li cov kav xa hluav taws xob thauj mus los, kev tsim kho vaj tse, thiab cov kab ke hauv nroog uas muaj kev nyab xeeb thiab kav ntev yog qhov tseem ceeb.
Raws li kev soj ntsuam thev naus laus zis txuas ntxiv txhim kho, steel coil nto saib xyuas tau ua tiav thiab ua haujlwm tau zoo. Advanced automated systems tso cai rau cov tuam txhab lag luam txhawm rau txheeb xyuas qhov tsis zoo ntawm qhov chaw me me, kom ntseeg tau tias tsuas yog cov ntaub ntawv zoo nkag mus rau ERW yeeb nkab txheej txheem. Los ntawm cov kev ntsuas no, kev ntseeg siab thiab kev ua tau zoo ntawm ERW steel kav tuaj yeem tswj hwm thoob plaws ntau yam kev lag luam.
