Hanyoyin ƙirƙira nagami karfe tube
Za a iya raba bututun ƙarfe na ƙirƙira zuwa ƙirƙira kyauta, tashin hankali, extrusion, ƙirƙira, rufaffiyar mutuƙar ƙirƙira, rufaffiyar damuwa.Rufe ƙirƙira da rufaffiyar damuwa saboda babu walƙiya, amfani da kayan yana da girma.Tare da tsari ko matakai da yawa na iya zama hadaddun ƙirƙira ƙarewa.Tun da babu walƙiya, ƙaƙƙarfan yanki yana raguwa, nauyin da ake buƙata yana raguwa.Lura, duk da haka, ba za a iya ƙuntata gaba daya blank, wannan ya kamata tsananin sarrafa girma na blank, don sarrafa dangi matsayi na ƙirƙira mutu da ƙirƙira ma'auni, kokarin rage mutu lalacewa.Ana iya raba Orbital zuwa ƙirƙira, swaging swing, jujjuyawar nadi, jujjuyawar juzu'i, mirgina zobe da mirgina giciye da sauran hanyoyi.Orbital, sanya swaging da zoben birgima suma sun yi amfani da ƙirƙira madaidaici.
Domin inganta hanyoyin sarrafawa kafin amfani da kayan, ana iya amfani da ƙirƙira na ƙirƙira da mirgina azaman abin giciye mai tsayi.Alloy karfe shambura tare da wannan Rotary ƙirƙira free ƙirƙira ne a gida kafa, yana da amfani idan aka kwatanta da girman forgings, ƙirƙira wani karami karfi a karkashin yanayi za a iya samu an kafa.Irin waɗannan hanyoyin sun haɗa da ƙirƙira bututun ƙarfe, gami da ƙirƙira na ƙirƙira, kayan machining don ƙaddamarwa daga kusa da farfajiyar kyauta na mold, yana da wahala a tabbatar da daidaito, don haka jagorar motsi na ƙirƙira ya mutu da tsarin swaging sarrafawa ta hanyar kwamfuta, ku iya amfani da ƙananan ƙirƙira ƙarfi don samun hadaddun siffa, madaidaicin samfuran.Alal misali, samar da iri, manyan-size turbine ruwa forgings.Lokacin da zafin jiki na karfe ya wuce 300-400℃(Karfe blue gaggautsa zone), kai 700-800℃, juriya na nakasawa za a rage sosai, kuma za a iya inganta nakasawa sosai.Ƙirƙirar bututun ƙarfe bisa ga yanayin zafi daban-daban a cikin yankin, sai dai don ƙirƙira tsarin ƙirƙira da buƙatun inganci, ana iya raba shi cikin sanyi, ƙirƙira mai zafi, ƙirar ƙirƙira mai zafi mai zafi guda uku.Wannan yanki yana da kewayon zafin jiki wanda ba shi da iyaka, gabaɗaya magana, akwai ƙirƙira recrystallization zafin jiki yankin da ake kira ƙirƙira, ƙirƙira ba tare da dumama a dakin zafin jiki ake kira sanyi forging.
A ƙananan zafin jiki ƙirƙira, canjin ƙirƙira ƙarami ne.A cikin 700 masu zuwa℃ƙirƙira, ƙarancin samuwar iskar oxide, kuma babu abin da zai lalata ƙasa.Saboda haka, idan dai karfe bututu nakasawa makamashi a cikin makamashi kewayon gyare-gyaren, sanyi forging sauki don samun mai kyau girma daidaito da kuma surface gama.Kawai sarrafa zafin jiki da sanyaya mai, 700℃ƙirƙira mai ɗumi mai zuwa na iya samun daidaito mai kyau.Ƙirƙirar zafi mai zafi, saboda ƙarancin ƙarfi da juriya na nakasawa ƙanana ne, ana iya ƙirƙira sifofi masu sarƙaƙƙiya manyan ƙirƙira.Don samun daidaiton girman girman ƙirƙira, a cikin zafin jiki 900-1000℃zafi ƙirƙira tsari.Hakanan, kula da haɓaka yanayin aiki don ƙirƙira.Forging mutu rayuwa (2-5 dubu daya ƙirƙira, dumi ƙirƙira 1-2 dubu goma, dubu goma sanyi forging 2-5) ƙirƙira zafin jiki kewayon kamar yadda idan aka kwatanta da sauran shi ne ya fi guntu, amma yana da 'yanci, low cost .
Bututun ƙarfe mara nauyi lokacin da sanyi nakasawa da aiki taurin, don haka mutu jure babban lodi, saboda haka, yana buƙatar amfani da babban ƙarfin ƙirƙira mutu da hana lalacewa da haɗin gwiwa ta amfani da hanyar sarrafa fim mai ƙarfi.Bugu da ƙari, don hana fashewar billet, matsawa na tsaka-tsaki don tabbatar da cewa bukatun nakasawa lokacin da ake bukata.Domin kiyaye lubrication mai kyau, blank ɗin na iya zama maganin phosphate.Lokacin aiki tare da ci gaba da mashaya da sandar waya, sashin na yanzu ba zai iya zama tsarin lubricated ba, yana nazarin yiwuwar yin amfani da hanyar lubrication phosphate.
Lokacin aikawa: Oktoba-14-2019