Ukufaka amapayipi ensimbi engagqwali, kwakhiwa umucu wensimbi odlakade, bese ukwakheka kuba yishubhu eliyindilinga. Lapho usuvele wakhela, imithungo yepayipi lensimbi engenasici kumele ifakwe ndawonye. Leli shintsho lithinta kakhulu ukwakheka kwengxenye. Ngakho-ke, ukuze uthole iphrofayili ye-welding engahlangabezana nezidingo zokuhlola eziqinile embonini yezokukhiqiza, kubaluleke kakhulu ukukhetha ubuchwepheshe obufanele be-welding. Ngokungangabazeki, i-tungsten tungsten arc welding (GTAW), i-super frequency (hf) i-welding, futhi i-laser welding isetshenzisiwe ekwenziweni kwamapayipi ensimbi engagqwali.
Kuzo zonke izinhlelo zokusebenza ze-welding ze-welding, imiphetho yomucu wensimbi iyancibilika, kwathi lapho imiphetho yensimbi yensimbi ihlanganiswa ndawonye kusetshenziswa ubakaki obambekayo, imiphetho iqinisa. Kodwa-ke, impahla eyingqayizivele yeLaser Welding iyinhlangano yayo ephakeme yamandla. Umfutho we-laser akagcini nje ngokuncibilika kobuso, kodwa futhi kwakha i-keyhole, ukuze umthungo we-weld mncane kakhulu.
Ngokuvamile, abantu bacabanga ukuthi inqubo ye-laser welding ishesha kune-gtaw, inezinga lokwenqatshwa okufanayo, futhi owayengukuqala kuletha izakhiwo ezingcono zemetallographic, eziletha amandla aphezulu aqhuma. Uma kuqhathaniswa nokushibilika okuthe xaxa okuphezulu, impahla ye-laser yokusebenza ayisebenzi, okuholela ekuphumeni okuphansi kokwenqatshwa kanye nokwakheka okuphezulu.
E-Welding yamafomu ensimbi engenasici, ukujula kwe-welding kunqunywa ngobukhulu bepayipi lensimbi. Ngale ndlela, inhloso yokukhiqiza ukuthuthukisa ukwakheka ngokunciphisa ububanzi be-welding ngenkathi ufinyelela isivinini esiphakeme. Lapho ukhetha i-laser efaneleke kakhulu, umuntu akumele abheke kuphela ikhwalithi yogongolo, kodwa futhi nokunemba kwesigayo se-tube. Ngaphezu kwalokho, ngaphambi kokuba iphutha elibucayi lepayipi lokugibela ipayipi liqala ukusebenza, kuyadingeka ukucubungula umkhawulo wokunciphisa indawo yokukhanya.
Kunezinkinga eziningi eziyingqayizivele ezihlukile ku-welding yensimbi yensimbi. Kodwa-ke, isici esiyinhloko esithinta ukuthukuthela ngumthungo ebhokisini le-welding. Lapho imicu yensimbi yakhiwa futhi ilungiselelwe ukufudumala, izici ze-weld zifaka: i-strip gang, i-weldip i-weldingment enzima, futhi ishintsha umugqa we-wald we-weld. Igebe linquma ukuthi kungakanani okusetshenziselwa ukwakha ichibi le-weld. Ingcindezi enkulu kakhulu izophumela ekutshelweni okwedlulele kokuphezulu noma kwangaphakathi kwepayipi elingagqwali lensimbi. Ngakolunye uhlangothi, ukungahambi kahle okunamandla noma okuncane kungaholela ekubukekeni kwe-welding okumpofu.
Kuzona zozimbili lezi zigameko, ngemuva kokuthi umucu wensimbi usikiwe futhi uhlanziwe, ugobile bese uthunyelwa endaweni yokufakelwa. Ngaphezu kwalokho, okupholile kusetshenziselwa ukupholisa ikhoyili yokungeniswa okusetshenziswa kwinqubo yokushisa. Ekugcineni, okunye okupholile kuzosetshenziswa kwinqubo yokukhishwa. Lapha, amabutho amaningi asetshenziswa ku-pulleel pulley ukugwema i-porosity endaweni ye-welding; Kodwa-ke, ukusebenzisa amandla amakhulu amancanyana kuzoholela ekwandeni kwama-burrs (noma ubuhlalu beWeld). Ngakho-ke, ama-cutters aklanywe ngokukhethekile asetshenziselwa ukususa ama-burrs ngaphakathi nangaphandle kwepayipi.
Enye yezinzuzo eziphambili zenqubo ye-welding ye-high-frequency welding ukuthi ingacubungula amapayipi ensimbi ngesivinini esikhulu. Kodwa-ke, isimo esijwayelekile esigabeni esiqinile esibonisa amalunga ukuthi akulula ukubheka ngokuthembekile amalunga we-welding wemvamisa ephezulu uma kusetshenziswa ubuchwepheshe bendabuko (i-NDT). Imifantu yeWelding ingavela ezindaweni ezifuywayo futhi ezincanyana zamalunga anamandla aphansi. Imifantu enjalo ayikwazi ukutholwa kusetshenziswa izindlela zendabuko, ngakho-ke kungahle kungabi nokukholeka kwezinye izinhlelo zokusebenza ezifunwa kwezimoto.
Ngokwesiko, abakhiqizi bepayipi bensimbi bakhetha ukuqeda inqubo ye-welding ngegesi tungsten arc welding (GTAW). I-Gtaw idala i-arc ye-welding kagesi phakathi kwama-electroden amabili angasebenzi. Ngasikhathi sinye, i-inert Shudring igesi yethulwa kusuka ku-Spray Gun ukuvikela i-electrode, ikhiqize ukuhamba kwe-plasma e-Ioned, futhi ivikele ichibi le-molten weld. Le yinqubo esungulwe futhi eqondwayo, futhi izophindaphindeka ukuqedela inqubo ephezulu ye-welding.
Ngale ndlela, impumelelo yenqubo ye-welding ye-welding yensimbi engenasici incike ekuhlanganisweni kwazo zonke ubuchwepheshe obuthile, ngakho-ke kumele ziphathwe njengohlelo oluphelele. I-Hanao Tech (Seko Imishini) inolwazi olungaphezulu kweminyaka engama-20 ekukhiqizweni kwepayipi kwensimbi engagqwali. Ngaphezu kwalokho, singumenzi oyedwa oyedwa ongahlanganisa konke ukucubungula njengokuthi kwakhiwa kanye nokushiswa, ubuhlalu beedliwe, ukugqama okukhanyayo, okupolishi kanye ne-ect. eChina. Uma unokungabaza mayelana I-Stainless yensimbi ye-Welding Tube Production Ulayini . Vele uzizwe ukhululekile ukuxhumana nathi.
