Ukwenziwa kombhobho wentsimbi kususela ekuqaleni kweminyaka yoo-1800.Ekuqaleni, umbhobho wawusenziwa ngesandla - ngokufudumeza, ukugoba, ukuxhaphaza, kunye nokubethelela imiphetho kunye.Inkqubo yokuqala yokwenziwa kombhobho ezenzekelayo yaziswa ngo-1812 eNgilani.Iinkqubo zokuvelisa ziye zaqhubeka ziphucuka ukususela ngelo xesha.Ezinye iindlela zokwenziwa kombhobho ezidumileyo zichazwe ngezantsi.
I-Lap Welding
Ukusetyenziswa kwe-lap welding ukwenza umbhobho kwaqaliswa ekuqaleni koo-1920.Nangona le ndlela ingasasetyenziswa, eminye imibhobho eyenziwe kusetyenziswa inkqubo ye-lap welding isasetyenziswa nanamhlanje.
Kwinkqubo ye-welding ye-lap, insimbi yayifudunyezwa kwisithando somlilo kwaye emva koko ifakwe kwimilo ye-cylinder.Imiphetho yepleyiti yentsimbi emva koko "yayigqunywe".I-scarfing ibandakanya ukugquma umgca wangaphakathi weplate yensimbi, kunye nomgca we-tapered wecala elichasene neplate.Umthungo wawudityaniswe kusetyenziswa ibhola yokuwelda, kwaye umbhobho ofudunyeziweyo wagqithiswa phakathi kweerola ezinyanzela umthungo kunye ukwenza iqhina.
Iiwelds eziveliswa yi-lap welding azithembekanga njengoko zidalwe kusetyenziswa iindlela zanamhlanje.I-American Society of Mechanical Engineers (ASME) iphuhlise i-equation yokubala uxinzelelo oluvumelekileyo lokusebenza lombhobho, ngokusekelwe kuhlobo lwenkqubo yokuvelisa.Lo mlinganiso uquka ukuguquguquka okubizwa ngokuba yi "joint factor", esekelwe kuhlobo lwe-weld olusetyenziselwa ukudala i-seam yombhobho.Imibhobho engenamthungo inomlinganiselo odibeneyo we-1.0 we-Lap welded pipe inomlinganiselo odibeneyo we-0.6.
Ukumelana koMbane Umbhobho odityanisiweyo
Umbhobho wokumelana nombane odityanisiweyo (ERW) wenziwa ngokubanda-ukwenza ishidi lentsimbi kwimilo ye-cylindrical.Okwangoku idluliselwe phakathi kwemiphetho emibini yentsimbi ukutshisa intsimbi ukuya kwindawo apho imiphetho inyanzeliswa ndawonye ukuba yenze ibhondi ngaphandle kokusetyenziswa kwezinto zokuzalisa i-welding.Ekuqaleni le nkqubo yokuvelisa yayisebenzisa i-AC yangoku ephantsi ukutshisa imiphetho.Le nkqubo iphantsi frequency yasetyenziswa ukusuka 1920 ukuya 1970. Ngo-1970, inkqubo frequency ephantsi yathatyathelwa indawo high frequency ERW inkqubo leyo yavelisa weld umgangatho ophezulu.
Ngokuhamba kwexesha, i-welds yombhobho we-ERW ojikelezayo ophantsi kwafunyaniswa ukuba unokuchaphazeleka kwi-corrosion ye-seam ekhethiweyo, iintanda ze-hook, kunye nokungadibanisi ngokwaneleyo kwee-seams, ngoko ke i-ERW ephantsi kakhulu ayisasetyenziswa ukwenza umbhobho.Inkqubo yamaza omoya aphezulu isasetyenziswa ukwenza umbhobho oza kusetyenziswa kulwakhiwo lwemibhobho emitsha.
Umbhobho odityanisiweyo woMbane weFlash
Umbhobho odityanisiweyo wombane odityanisiweyo wenziwa ukususela ngowe-1927.Imiphetho yayifudunyezwa de inyibilike, emva koko inyanyaniswe de intsimbi etyhidiweyo inyanzeliswe ukuba iphume kwindawo edibeneyo yenze intsimbi.Njengombhobho we-ERW oqhelekileyo ophantsi, i-seams yombhobho odityanisiweyo we-flash usesichengeni sokubola kunye neentanda zehuku, kodwa kumlinganiselo ongaphantsi kunombhobho we-ERW.Olu hlobo lombhobho lukwachaphazeleka ngenxa yokungaphumeleli ngenxa yeendawo ezinzima kwintsimbi yeplate.Ngenxa yokuba uninzi lwemibhobho edityanisiweyo edityanisiweyo iveliswe ngumenzi omnye, kukholelwa ukuba ezi ndawo zinzima zenzeka ngenxa yokucinywa kwentsimbi ngempazamo ngexesha lenkqubo yokuvelisa esetyenziswa ngumenzi othile.I-flash welding ayisasetyenziswa ukwenza umbhobho.
Umbhobho we-Arc oWediweyo kabini (i-DSAW).
Ngokufanayo nezinye iinkqubo zokwenziwa kwemibhobho, ukwenziwa kwe-Double Submerged Arc Welded Pipe ibandakanya kuqala ukwenza iipleyiti zentsimbi zibe yimilo yecylindrical.Imiphetho yeplate egobileyo yenziwe ukwenzela ukuba i-V-shaped grooves yenziwe kwiindawo zangaphakathi kunye nezangaphandle kwindawo yomthungo.Umthungo wombhobho ke udityaniswe ngepasi enye ye-arc welder kwindawo yangaphakathi kunye nengaphandle (kungoko kuntywilwa kabini).I-arc ye-welding ifakwe phantsi kwe-flux.
Inzuzo yale nkqubo kukuba i-welds ingena kwi-100% yodonga lombhobho kwaye ivelise ibhondi eqinile kakhulu yezinto zombhobho.
Umbhobho ongenamthungo
Umbhobho ongenamthungo wenziwa ukusukela ngeminyaka yoo-1800.Ngelixa inkqubo iye yavela, izinto ezithile ziye zahlala zifana.Umbhobho ongenamthungo wenziwa ngokugqobhoza intsimbi eshushu engqukuva billet nge mandrel.Intsimbi egobileyo ingaphezu kokuqengqeleka kwaye yolulwe ukufikelela ubude obufunwayo kunye nobubanzi.Inzuzo ephambili yombhobho ongenamthungo kukupheliswa kweziphene ezinxulumene nomthungo;nangona kunjalo, ixabiso lokwenziwa likhulu.
Umbhobho wangaphambili ongenamthungo wawuchaphazeleka kwiziphene ezibangelwa kukungcola kwintsimbi.Njengoko ubugcisa bokwenza intsimbi babuphucuka, ezi ziphene zancitshiswa, kodwa azikapheliswa ngokupheleleyo.Nangona kubonakala ngathi umbhobho ongenamthungo uya kukhethwa ukuqulunqwa, umbhobho we-seam-welded, ukukwazi ukuphucula iimpawu ezinqwenelekayo kumbhobho zilinganiselwe.Ngesi sizathu, umbhobho ongenamthungo okwangoku ufumaneka kumabakala asezantsi kunye nobukhulu bodonga kunombhobho odityanisiweyo.
I-Jindalai Steel Group ikhethekileyo ekuveliseni i-ERW yobuchwepheshe obuphezulu (i-Electric Resistance Welded) kunye ne-SSAW (i-Spiral Submerged Arc welded) imibhobho.Inkampani yethu ihambele phambili nge-φ610 mm umatshini wokuwelda othe tye othe tye, kunye ne-φ3048mm spiral submerged arc welded machine.Kananjalo, ngaphandle kweefektri ze-ERW kunye ne-SSAW, sinezinye iifektri ezintathu ezinxulumene ne-LSAW kunye nemveliso ye-SMLS kulo lonke elase-China.
Ukuba ukuthengwa kwemibhobho kukwikamva lakho elikufutshane, cela ikowuti.Siza kubonelela ngeyona ikufumana kanye iimveliso ozifunayo ngokukhawuleza.Thumela umbuzo wakho kwaye siya kukuvuyela ukubonisana nawe ngobuchule.
Thina iJindalai Steel Group singabavelisi, abathumeli bangaphandle, abanini bempahla kunye nomthengisi woluhlu olusemgangathweni lwePipe yentsimbi.Sinomthengi ovela eThane, eMexico, eTurkey, ePakistan, eOman, kwaSirayeli, eJiphethe, eArabhu, eVietnam, eMyanmar.Thumela umbuzo wakho kwaye siya kukuvuyela ukubonisana nawe ngobuchule.
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Ixesha lokuposa: Dec-19-2022