Weld karfe bututu ne seamed karfe bututu.Ana samar da shi shine a lanƙwasa bututun da ba komai ba (farantin karfe da tsiri na ƙarfe) zuwa cikin bututu mai siffar giciye da girman da ake buƙata ta hanyoyin ƙirƙira iri daban-daban, sannan a yi amfani da hanyoyin walda daban-daban don walda ɗinkin walda tare.Hanyar samun bututun ƙarfe.
Idan aka kwatanta da sumul karfe bututu da welded bututu, yana da halaye na high samfurin daidaici, musamman bango kauri daidaici, sauki babban kayan aiki, kananan sawun, ci gaba da aiki a samar, m samar, da fadi da samfurin kewayon naúrar.
Daya, The samar da tsari na karkace karfe bututu ne wajen kamar haka:
1. The albarkatun kasa na karkace karfe bututu ne tsiri karfe nada, walda waya da juyi.
2. Kafin kafawa, an daidaita karfen tsiri, an gyara shi, an tsara shi, an tsaftace shi, an kwashe shi da kuma lankwasa.
3. Ana amfani da na'urar sarrafa ratar walda don tabbatar da cewa ratar walda ta dace da buƙatun walda, kuma diamita na bututu, rashin daidaituwa da ratar walda ana sarrafa su sosai.
4. Bayan yanke cikin bututun ƙarfe guda ɗaya, bututun ƙarfe na farko guda uku na kowane batch dole ne a yi tsarin dubawa na farko don bincika kaddarorin injin, abun da ke tattare da sinadarai, yanayin haɗuwa na welds, ingancin saman bututun ƙarfe da gwaji mara lalacewa. don tabbatar da cewa tsarin yin bututun ya cancanta.Bayan haka, ana iya sanya shi a hukumance a samarwa.
Na biyu, madaidaiciyar kabu submerged arc welded bututu:
Madaidaicin bututun da aka nutsar da baka mai welded (LSAW) gabaɗaya yana amfani da faranti na ƙarfe azaman albarkatun ƙasa, kuma yana ɗaukar matakai daban-daban don samar da bututun walda ta hanyar walda mai ruɗi mai fuska biyu da faɗaɗa diamita bayan walda.
Babban kayan aiki sun haɗa da na'ura mai niƙa, na'urar riga-kafi, na'ura mai ƙira, na'urar waldawa, injin faɗaɗa diamita, da dai sauransu. A lokaci guda kuma, hanyoyin samar da bututun LSAW sun haɗa da UO (UOE), RB (RBE), JCO (JCOE), da dai sauransu. Ana fara danna farantin karfe a cikin siffar U a cikin forming die, sannan a danna shi zuwa siffar O, sannan a yi walda na ciki da waje.Bayan walda, diamita (Expanding) a karshen ko duka tsawon ana kiransa UOE welded pipe, kuma wanda ba shi da diamita shi ake kira UOE welded pipe.Domin UO welded bututu.Ana nada farantin karfen zuwa siffa (Roll Bending), sannan kuma a yi walda na baka na ciki da waje.Bayan waldawa, ana faɗaɗa diamita zuwa cikin bututun welded na RBE ko bututun welded na RBE ba tare da faɗaɗa diamita ba.An kafa farantin karfe a cikin tsari na nau'in JCO, kuma bayan waldawa, ana fadada diamita zuwa bututun welded na JCOE ko bututun welded na JCO ba tare da fadada diamita ba.
UOE LSAW tsarin samar da bututu:
Manyan matakai guda uku na tsarin samar da bututun karfe na UOE LSAW sun hada da: farantin karfe kafin lankwasawa, U forming da O forming.Kowane tsari yana amfani da latsa na musamman don kammala matakai guda uku na riga-kafin lankwasa gefen farantin karfe, U forming da O a jere, da kuma lalata farantin karfen zuwa bututu mai madauwari.
JCOE LSAW bututu kafa tsari:
Ƙirƙirar: Bayan hatimin mataki-mataki da yawa akan injin ɗin JC0, rabin farkon farantin karfe ana matse shi zuwa siffar “J”, sannan a danna sauran rabin farantin karfe zuwa siffar “J” don samarwa. a siffar C, kuma a ƙarshe an danna shi daga tsakiya don Samar da buɗaɗɗen buɗaɗɗen bututun "0".
Kwatanta hanyoyin gyare-gyaren JCO da UO:
Ƙirƙirar JCO shine ci gaba na matsin lamba, wanda ke canza tsarin samar da bututun ƙarfe daga matakai biyu na UO zuwa matakai da yawa.A lokacin da aka kafa tsari, nakasar farantin karfe daidai ne, ragowar danniya kadan ne, kuma saman ba ya haifar da kullun.
Bututun ƙarfe da aka sarrafa suna da mafi girman sassauci a cikin girman da ƙayyadaddun kewayon diamita da kauri na bango, kuma suna iya samar da manyan sikelin da ƙananan samfuran;yana iya samar da manyan bututun ƙarfe mai kauri mai kauri mai tsayi, kuma yana iya samar da ƙananan diamita da bututun ƙarfe mai kauri;musamman wajen samar da manyan bututu masu kauri, musamman kanana da matsakaitan bututu masu kauri, wadanda ke da fa'ida mara misaltuwa fiye da sauran hanyoyin.
Zai iya biyan ƙarin buƙatun masu amfani dangane da ƙayyadaddun bututun ƙarfe.Zuba hannun jarin kaɗan ne, amma ingancin samarwa ba shi da yawa, kuma yawan abin da ake fitarwa na shekara-shekara shine ton 100,000 zuwa 250,000.
UO gyare-gyare yana samuwa ta U da O sau biyu na gyare-gyaren matsa lamba.An kwatanta shi da babban iya aiki da babban fitarwa.Gabaɗaya, fitarwa na shekara-shekara na iya kaiwa ton miliyan 300,000 zuwa 1, wanda ya dace da samar da ƙima guda ɗaya.
3. Madaidaicin bututu mai welded mai tsayi:
Madaidaicin bututu mai welded high-mita (ERW) shine don zafi da narke gefen bututun ta hanyar amfani da tasirin fata da tasirin kusanci na babban mitar halin yanzu bayan na'urar da aka yi birgima mai zafi ta samo asali, da matsa lamba. waldi ne da za'ayi a karkashin mataki na extrusion nadi don cimma samarwa.
Bututun karfe mai walda, wanda kuma aka sani da bututun walda, bututun karfe ne da aka yi da farantin karfe ko tsiri karfe bayan dagewa da walda.Welded karfe bututu yana da sauki samar da tsari, high samar da inganci, da yawa iri da kuma bayani dalla-dalla, da kuma kasa kayan aiki zuba jari, amma ta general ƙarfin ne m fiye da na sumul karfe bututu.
Tun daga shekarun 1930, tare da ci gaba da ci gaba da ci gaba da yin mirgina na masana'antar tsiri mai inganci da ci gaban fasahar walda da bincike, ana ci gaba da inganta ingancin walda, kuma iri da ƙayyadaddun bututun ƙarfe na welded suna ƙaruwa kowace rana. .Kabu karfe bututu.Welded karfe bututu an raba zuwa madaidaiciya kabu welded bututu da karkace welded bututu bisa ga nau'i na weld kabu.
Rarraba ta hanyar samar da: tsarin rarrabuwa - baka welded bututu, lantarki juriya welded bututu, (high mita, low mita) gas welded bututu, makera welded bututu.Tsarin samar da madaidaicin bututu mai walƙiya yana da sauƙi, haɓakar samarwa yana da girma, farashin yana da ƙasa, kuma haɓaka yana da sauri.Ƙarfin bututun welded gabaɗaya ya fi na madaidaicin bututun welded, kuma za a iya samar da bututu mai welded mai girman diamita tare da ƙunƙuntaccen billet, kuma ana iya samar da bututu masu diamita daban-daban tare da billet mai faɗi iri ɗaya.Amma idan aka kwatanta da madaidaiciyar bututu mai tsayi guda ɗaya, tsayin weld yana ƙaruwa da 30 ~ 100%, kuma saurin samarwa ya ragu.
Ka'idojin Samfur
Abubuwan da aka fi amfani da su don bututun welded sune: Q235A, Q235C, Q235B, 16Mn, 20#, Q345, L245, L290, X42, X46, X60, X80, 0Cr13, 1Cr17, 00Cr19Ni11, 18Cr19Ni11, 1Cr19Ni11, da dai sauransu.
Wuraren da ake amfani da bututun ƙarfe na walda sune faranti na ƙarfe ko ɗigon ƙarfe, waɗanda aka raba su zuwa bututun walda na tanderu, bututun walda na lantarki (resistance walda) da bututun walda ta atomatik saboda tsarin waldansu daban-daban.Saboda nau'ikan waldansa daban-daban, ya kasu kashi biyu: madaidaiciyar bututu mai walƙiya da kuma karkace bututun walda.Saboda kamanninsa na ƙarshe, an raba shi zuwa bututu mai walɗaɗɗen zagaya da bututu mai siffa ta musamman (square, lebur, da sauransu).Saboda daban-daban kayan da kuma amfani da su, welded bututu sun kasu kashi kamar haka:
GB/T3091-2001 (galvanized welded karfe bututu ga low-matsa lamba ruwa watsa).An fi amfani dashi don isar da ruwa, iskar gas, iska, mai da dumama ruwan zafi ko tururi da sauran ruwan matsi na gaba ɗaya da sauran dalilai.Abun wakilcinsa shine: Q235A karfe sa.
GB/T14291-2006 (welded karfe bututu don mine ruwa kai).An fi amfani da shi don madaidaiciyar bututun ƙarfe na bututun ƙarfe don matsewar iska, magudanar ruwa, da iskar gas mai fitarwa.Its wakilin kayan ne Q235A da B sa karfe.GB/T14980-1994 (Babban diamita na lantarki-welded karfe bututu don low-matsi ruwa sufuri).An fi amfani da shi don isar da ruwa, najasa, iskar gas, iska, dumama tururi da sauran ruwa mai ƙarancin ƙarfi da sauran dalilai.Its wakilci kayan ne Q235A sa karfe.
GB/T12770-2002 (bakin karfe welded karfe bututu don inji Tsarin).An fi amfani dashi a cikin injuna, motoci, kekuna, kayan daki, otal da kayan adon abinci da sauran sassa na inji da sassa na tsari.Abubuwan wakilcinsa sune 0Cr13, 1Cr17, 00Cr19Ni11, 1Cr18Ni9, 0Cr18Ni11Nb, da dai sauransu.
GB/T12771-1991 (bakin karfe welded karfe bututu don ruwa sufuri).Ana amfani da shi musamman don isar da kafofin watsa labarai marasa ƙarfi.Abubuwan wakilci sune 0Cr13, 0Cr19Ni9, 00Cr19Ni11, 00Cr17, 0Cr18Ni11Nb, 0017Cr17Ni14Mo2, da dai sauransu.
Bugu da kari, welded bakin karfe bututu don ado (GB/T 18705-2002), welded bakin karfe bututu don gine gine (JG/T 3030-1995), manyan diamita lantarki welded karfe bututu don low-matsa lamba ruwa watsa (GB/ T 3091-2001), da kuma Welded karfe bututu don zafi musayar (YB4103-2000).
Fasahar samarwa da tsari
Tsarin samar da madaidaicin bututu mai walƙiya yana da sauƙi, haɓakar samarwa yana da girma, farashin yana da ƙasa, kuma haɓaka yana da sauri.Ƙarfin bututun welded gabaɗaya ya fi na madaidaicin bututun welded, kuma za a iya samar da bututu mai welded mai girman diamita tare da ƙunƙuntaccen billet, kuma ana iya samar da bututu masu diamita daban-daban tare da billet mai faɗi iri ɗaya.Amma idan aka kwatanta da madaidaiciyar bututu mai tsayi guda ɗaya, tsayin weld yana ƙaruwa da 30 ~ 100%, kuma saurin samarwa ya ragu.
Bututu masu walda da manyan diamita ko masu kauri galibi ana yin su ne kai tsaye da bututun ƙarfe na ƙarfe, yayin da ƙananan bututun walda da kuma bututu masu welded na bakin ciki kawai suna buƙatar walda su ta hanyar ɗigon ƙarfe.Sannan bayan gogewa mai sauƙi, gogewa akan shi.Saboda haka, yawancin bututun da aka yi musu walda tare da ƙananan diamita suna ɗaukar walda madaidaiciya madaidaiciya, kuma galibin manyan bututu masu waldaran diamita suna ɗaukar walda mai karkace.
Kari: Bututun da aka yi masa walda yana welded ne da tarkacen karfe, don haka matsayinsa bai kai na bututun da ba su da kyau.
Welded bututu tsari
Raw material decoiling — Leveling — karshen yankan da walda — madauki — forming — walda — cire ciki da waje walda beads — pre-calibration — shigar da zafi magani — girma da kuma daidaita — eddy halin yanzu gwajin — Yanke-ruwa matsa lamba dubawa - pickling - karshe dubawa (madaidaicin dubawa) - jigilar kaya.
Lokacin aikawa: Janairu-09-2023