S355JR kauv welded yeeb nkab tsim li cas?
Kauv welded yeeb nkabyog ib hom kauv seam steel yeeb nkab. Nws cov txheej txheem tsim muaj xws li: extruding steel strip coils nyob rau hauv chav tsev kub, ua raws li los ntawm vuam siv ib tug tsis siv neeg ob chav - hlau ob - sab submerged arc vuam txheej txheem. Ua ntej, steel sawb yog unrolled, straightened, thiab trimmed. Tom qab ntawd, nyob rau hauv cov kev taw qhia tas mus li ntawm cov chais, cov hlau sawb yog dov mus rau hauv ib tug cylindrical zoo nrog ib tug tshwj xeeb kauv lub kaum sab xis, thiab sab hauv thiab sab welds yog ib txhij welded ua ke los tsim ib tug kauv weld.
Cov txheej txheem vuam dab tsi yog siv rau S355JR kauv welded yeeb nkab?
Lub ntsiab vuam txheej txheem rauS355JR kauv welded yeeb nkabyog submerged arc vuam (SAW), tshwj xeeb tshaj yog ob -hlau ob -sab submerged arc vuam.
Dab tsi yog qhov zoo tshaj plaws ntawm S355JR kauv welded yeeb nkab?
Nyob rau hauv tib lub siab tej yam kev mob, lub stress borne los ntawm lubkauv weldyog tsawg tshaj li ntawm cov ncaj seam welded yeeb nkab, tsuas yog 75% mus rau 90%, yog li ua kom nws tiv taus siab dua. Nws muaj qhov siab qhov tseeb, nrog rau txoj kab uas hla feem ntau tsis tshaj 0.12%, deflection tsawg dua 1/2000, thiab ellipticity tsawg dua 1%. Nws tuaj yeem ua tsis tu ncua. Piv rau ncaj seam welded yeeb nkab,kauv welded yeeb nkabmuab kev ua haujlwm hloov tau yooj yim dua thiab yooj yim dua cov khoom hloov pauv. Cov cuab yeej siv yog lub teeb yuag, ua rau qis dua thawj zaug peev.
Dab tsi yog qhov tsis zoo ntawm S355JR kauv welded yeeb nkab?
Vim nws siv coiled steel li raw khoom, nws muaj ib tug tej yam kev kawm ntawm curvature, thiab weld point yog nyob rau ntawm ntug ntawm lub elastic band, ua rau nws nyuaj rau welding torch, cuam tshuam qhov zoo weld. Yog li ntawd, yuav tsum tau muaj cov khoom siv tshuaj xyuas zoo thiab kev soj ntsuam zoo.
Dab tsi engineering tej yaam num yog S355JR kauv welded kav feem ntau siv nyob rau hauv?
Vim nws lub zog siab, corrosion tsis kam, kub tsis kam, thiab kev kub siab ua haujlwm,kauv welded kavyog dav siv nyob rau hauv pipeline tsheb thauj mus los hauv nroog, dej, roj av, thiab tshuaj industries.
