Iindlela zokuwelda ezisetyenziswa kakhulu ekwenziweni kwemibhobho emikhulu ethwala ulwelo olufana negesi yendalo okanye ioyile ziquka ukuwelda kwe-arc engaphantsi komhlaba enamacala amabini (i-DSAW) kunye nokuwelda kwe-arc engaphantsi komhlaba ende (i-LSAW).
ukuwelda okujikelezayo
Umbhobho weNsimbi we-DSAW:
Ukuwelda okude
Ukuwelda okude
I-LSAW yenye yeentlobo ze-DSAW.
I-DSAW sisifinyezo segama elithi "i-double-sided arc welding," igama eligxininisa ukusetyenziswa kwale ndlela.
I-LSAW imele i-"Longitudinal Submerged Arc Welding," indlela ebonakaliswa zii-welds ezidlula kubude bombhobho.
Kubalulekile ukuqaphela ukuba i-DSAW ibandakanya zombini iintlobo zepayipi ze-SSAW (Spiral Submerged Arc Welding) kunye ne-LSAW.
Ukuphonononga ukufana kunye nomahluko phakathi kwe-DASW kunye ne-LSAW ngokwenene kukuthelekisa phakathi kwe-SSAW kunye ne-LSAW.
Ukufana
Itekhnoloji yokuWelda
Zombini i-DSAW kunye ne-LSAW zisebenzisa indlela ye-double-sided arc welding (SAW), apho i-welding yenziwa ngaxeshanye kumacala omabini entsimbi ukuphucula umgangatho kunye nokungena kwe-weld.
Izicelo
Isetyenziswa kakhulu kwiimeko apho kufuneka imibhobho yentsimbi enamandla aphezulu kunye nobubanzi obukhulu, njengemibhobho yeoyile negesi.
Inkangeleko yeWeld Seam
Kukho umthungo we-weld obonakalayo ngaphakathi nangaphandle kombhobho wentsimbi.
Umahluko
Uhlobo lwe-weld
I-DSAW: Inokuba ngqo (i-weld ecaleni kobude bombhobho) okanye i-helical (i-weld esongelwe ngendlela ye-helical ijikeleze umzimba wombhobho), kuxhomekeke ekusetyenzisweni kunye neenkcukacha zombhobho.
I-LSAW: Umthungo we-weld unokuba ngowobude obude kuphela, apho ipleyiti yentsimbi ifakwa kwityhubhu kwaye idityaniswe kubude bayo obude.
Gxila kwizicelo zemibhobho yentsimbi
I-DSAW: Ekubeni i-DSAW inokuba ngqo okanye ijikeleze, ifaneleke ngakumbi kwiindidi ezahlukeneyo zoxinzelelo kunye nobubanzi, ingakumbi xa kufuneka imibhobho emide kakhulu, i-DSAW ifanelekile ngakumbi.
I-LSAW: Imibhobho yentsimbi ye-LSAW ifanelekile ngokukodwa kwiziseko zophuhliso zasezidolophini kunye nokusetyenziswa koxinzelelo oluphezulu njengokuthuthwa kwamanzi negesi.
Ukusebenza kwePipe
I-DSAW: Umbhobho odibeneyo ojikelezayo awunayo ukusebenza okufanayo ne-LSAW ngokubhekiselele ekunyamezeleni uxinzelelo.
I-LSAW: Ngenxa yenkqubo yayo yokuvelisa ipleyiti yentsimbi esebenzisa i-JCOE kunye nezinye iinkqubo zokubumba, udonga lombhobho wentsimbi lwe-LSAW lunokumelana neepropati ezifanayo zoomatshini.
Ixabiso kunye nokusebenza kakuhle kwemveliso
I-DSAW: Xa umbhobho we-DSAW udityaniswe nge-spiral weld, kudla ngokuba nexabiso eliphantsi kwaye kukhawuleza ukuwuvelisa kwaye ufanelekile kwiipayipi ezikude.
I-LSAW: Ukuwelda umthungo othe tye, nangona kunika umgangatho ophezulu, kubiza kakhulu kwaye kuhamba kancinci ukuvelisa kwaye kufanelekile kwizicelo ezineemfuno zomgangatho ezingqongqo.
Ukukhethwa kwe-DSAW okanye i-LSAW kuxhomekeke kwiimfuno ezithile zeprojekthi, kubandakanya uhlahlo-lwabiwo mali, uxinzelelo olufunekayo kumbhobho, kunye nobunzima bokuveliswa nokufakelwa. Ukuqonda ezi zinto zibalulekileyo ezifanayo kunye nomahluko kunokunceda ekwenzeni isigqibo esifanelekileyo kwisicelo esithile sobunjineli.
Ixesha leposi: Epreli-24-2024