Umahluko phakathi kwejoyinti yewelding esisigxina, idibaniso yewelding ejikelezayo kunye nedibanti yewelding eyenziwe ngaphambili kumbhobho welding

I-welding yokujikeleza ihambelana ne-welding esisigxina kwi-welding ye-pipeline. I-welding elungisiweyo ithetha ukuba i-welding joint ayikwazi ukuhamba emva kokuba iqela lombhobho lilungelelaniswe, kwaye i-welding yenziwa ngokuhambelana nokutshintshwa kwendawo yokudibanisa (i-horizontal, vertical, up, and mid-level changes) ngexesha lenkqubo ye-welding.

Ukujikeleza i-welding port kukujikeleza i-welding port ngexesha lenkqubo ye-welding ukwenzela ukuba i-welder ikwazi ukwenza i-welding kwindawo efanelekileyo (enye ethe tye, ethe nkqo, phezulu nangaphantsi).

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Ngapha koko, xa sithetha nje, isidibanisi se-welding esisisigxina ngumthungo we-weld odityaniswe kwindawo, onxulumene nombhobho osele ulungiselelwe.

I-welding joint edibeneyo ithetha ukuba umbhobho awushukumi, kwaye i-welder yenza i-welding-round-round, ngakumbi xa indlela ye-welding iphezulu, indlela ye-welding ayilula ukuyisebenzisa, iimfuno zobugcisa be-welder ziphezulu, kwaye iziphene zixhomekeke kwenzeke. Ngokuqhelekileyo, ukwakhiwa kwigalari yombhobho;

Izibuko elijikelezayo ngumbhobho onokuthi ujikelezwe. Indawo yokuwelda ngokusisiseko i-welding flat okanye i-welding ethe nkqo. Ukusebenza kwe-welding kulula kwaye kukho iziphene ezimbalwa. Ngokusisiseko yakhiwe phantsi okanye phantsi.

Ngexesha lokuhlolwa kwe-welding, ukwenzela ukuba kuthintelwe zonke izibuko ezijikelezayo ukuba zikhethwe ngokungenamkhethe ukuba zihlolwe, izinga lokupasa liphezulu, kwaye inxalenye ethile yamachweba angatshintshiyo kufuneka ihlolwe ngokungenamkhethe ukuqinisekisa umgangatho we-welding yawo wonke umbhobho. "IiMigaqo yokuLawula iTekhnoloji yoKhuseleko loKhuseleko lweTekhnoloji-Imibhobho yoShishino" ichaza ukuba umlinganiselo wokubonwa kwee-welding joint joints awuyi kuba ngaphantsi kwe-40%.

Ngokubanzi, sisebenzisa izibuko elimisiweyo njengezibuko elisebenzayo. I-port esebenzayo yi-welding edibeneyo ye-welding yombhobho, kwaye icandelo lombhobho linokuthi lihanjiswe okanye lijikelezwe xa umbhobho wenziwa ngaphambili ngaphandle kwendawo. I-port esisigxina yi-site-installed port edibeneyo apho umbhobho awukwazi ukuhanjiswa okanye ukujikelezwa.

Kwinkcazo yombhobho womgama omde, ubizwa ngokuba yi "collision dead end", kwaye kufuneka ukuba "ukuhlolwa kwe-radiographic 100% kufuneka kwenziwe". I-angle ye-welding efile inzima, kwaye umgangatho we-welding akukho lula ukuqinisekiswa.

I-welds esisigxina inxulumene ne-welds ejikelezayo.

Umdibaniso we-welding ojikelezayo uthetha ukuba i-welder inokujikeleza ngokukhululekileyo i-welding joint ngokuhambelana neyona angle ikhululekile yomsebenzi we-welding ngexesha lenkqubo ye-welding prefabricated of the pipeline, kwaye umgangatho we-welding uzinzile, ngoko ke i-welders ifana nolu hlobo lwe-welding joint.

Nangona kunjalo, ngenxa yeemfuno zeemeko zesayithi okanye iimeko ze-workpiece ngokwayo, i-welding joint of some workpieces inokulungiswa kuphela, into ebizwa ngokuba yi-welding joint joint. Xa i-welding joint edibeneyo ifakwe kwaye i-welding, kukho enye indlela yokudibanisa i-welding. Olu hlobo lwe-welding joint inzima ukuyidibanisa, kwaye umlinganiselo wovavanyo olungonakalisi uphezulu.

Kwezinye iinkcukacha zolwakhiwo lwemibhobho, umyinge wokufunyanwa kwe-weld engatshintshiyo uchazwe ngokucacileyo. Ngenxa yokuba ii-angles ze-welds ezisisigxina ziyahluka, i-welding manual iya kutshintsha, kwaye umgangatho wee-welds uya kuchaphazeleka kwinqanaba elithile. Ngokomzekelo, i-welds esisigxina yeepayipi zetsimbi zifuna ukuba i-welders yenze i-welding yonke indawo, efuna iimfuno eziphezulu ze-welders. Ngokuqinisekileyo, ubuchule buphezulu kwaye inqanaba lobugcisa liphezulu. Iwelder elungileyo ayinamsebenzi.

Kulawulo lolwakhiwo, inani lokuvuleka okuzinzileyo kufuneka lincitshiswe kangangoko kunokwenzeka. Ngakolunye uhlangothi, umgangatho we-welding unokulawulwa, kwaye ngexesha elifanayo, inani lokuvulwa kokuhlolwa lingancitshiswa ukunciphisa iindleko.