Ƙirƙirar bututun ƙarfe tun farkon shekarun 1800.Da farko, an ƙera bututu da hannu - ta dumama, lanƙwasa, latsawa, da kuma dunƙule gefuna tare.An gabatar da tsarin kera bututu mai sarrafa kansa na farko a cikin 1812 a Ingila.Ayyukan masana'antu sun ci gaba da inganta tun lokacin.Wasu shahararrun fasahar kera bututu an bayyana su a ƙasa.
Welding
An bullo da amfani da waldar cinya don kera bututu a farkon shekarun 1920.Ko da yake ba a amfani da hanyar, amma har yanzu ana amfani da wasu bututun da aka kera ta hanyar yin walda a cinya.
A cikin aikin waldawar cinya, ana dumama karfe a cikin tanderu sannan a mirgina shi zuwa siffar silinda.Gefen farantin karfen an “shafe su”.Scarfing ya ƙunshi overlaying gefen ciki na karfe farantin, da tapered gefen gefen farantin.Daga nan ne aka yi wa kabu ɗin walda ta hanyar amfani da ƙwallon walda, sannan aka ratsa bututun mai zafi tsakanin rollers wanda hakan ya tilasta wa ɗinkin tare don ƙirƙirar haɗin gwiwa.
Welds da aka samar ta hanyar waldar cinya ba su da aminci kamar waɗanda aka ƙirƙira ta amfani da ƙarin hanyoyin zamani.Ƙungiyar Injiniyoyin Injiniya ta Amirka (ASME) ta ƙirƙira wani ƙididdiga don ƙididdige matsin aiki da aka yarda da shi na bututu, dangane da nau'in tsarin masana'antu.Wannan ma'auni ya haɗa da ma'auni wanda aka sani da "haɗin gwiwa", wanda ya dogara ne akan nau'in walda da aka yi amfani da shi don ƙirƙirar dunƙule na bututu.Bututun da ba su da ƙarfi suna da haɗin haɗin gwiwa na 1.0 Lap welded bututu yana da haɗin haɗin gwiwa na 0.6.
Wutar Lantarki Juriya Welded Bututu
Ana kera bututun juriya na lantarki (ERW) ta hanyar sanya takardar karfe ta sanyi zuwa siffa ta siliki.A halin yanzu ana wuce tsakanin gefuna biyu na karfe don dumama karfen zuwa wani wuri wanda aka tilasta gefuna tare don samar da haɗin gwiwa ba tare da amfani da kayan aikin walda ba.Da farko wannan tsarin masana'anta yayi amfani da ƙarancin mitar AC don dumama gefuna.An yi amfani da wannan ƙananan mitar tsarin daga shekarun 1920 zuwa 1970. A cikin 1970, tsarin ƙananan mitar ya maye gurbin ta hanyar babban mitar ERW wanda ya haifar da walƙiya mai inganci.
A tsawon lokaci, an gano welds na ƙananan bututun ERW yana da sauƙi ga lalatawar kabu, fasa ƙugiya, da rashin isasshen haɗin kai na seams, don haka ƙananan mitar ERW ba a amfani da shi don kera bututu.Har yanzu ana amfani da tsarin mitar mai yawa don kera bututu don amfani da shi a cikin sabon ginin bututun.
Filashin Lantarki Welded Bututu
An fara kera bututu mai waldaran filasha na wutar lantarki tun daga shekara ta 1927. An yi walƙar walƙiya ta hanyar samar da takardar karfe zuwa siffa ta siliki.An yi zafi da gefuna har zuwa narkar da narke, sannan a tilasta su tare har sai an tilasta wa narkakkar karfe daga haɗin gwiwa kuma ya kafa katako.Kamar ƙananan mitar bututun ERW, bututun walƙiya mai walƙiya suna da saurin lalacewa da fashewar ƙugiya, amma zuwa ƙasa da bututun ERW.Wannan nau'in bututu kuma yana da saurin lalacewa saboda tabo mai wuya a cikin farantin karfe.Saboda yawancin bututun walda da walƙiya na masana'anta guda ɗaya ne ya kera, an yi imanin waɗannan tabo mai wuyar gaske sun faru ne sakamakon kashe ƙarfen na bazata yayin aikin kera da wannan keɓaɓɓen ke amfani da shi.An daina amfani da waldar walƙiya don kera bututu.
Bututun Arc Welded (DSAW) Mai Ruwa Biyu
Hakazalika da sauran hanyoyin kera bututu, kera bututun Arc Welded Bututu biyu ya ƙunshi fara samar da faranti na ƙarfe zuwa sifofi na cylindrical.An kafa gefuna na farantin da aka yi birgima ta yadda za a sami ramuka masu siffar V a ciki da na waje a wurin kabu.Sannan ana walda bututun ta hanyar wucewa ɗaya na waldar baka a saman ciki da na waje (saboda haka nutsewa sau biyu).Bakin walda yana nutsewa a ƙarƙashin ruwa.
Amfanin wannan tsari shine welds suna shiga 100% na bangon bututu kuma suna samar da haɗin gwiwa mai ƙarfi na kayan bututu.
Bututu mara kyau
Tun a shekarun 1800 aka kera bututu maras kyau.Yayin da tsarin ya samo asali, wasu abubuwa sun kasance iri ɗaya.Ana kera bututu mara ƙarfi ta hanyar huda billet ɗin ƙarfe mai zafi mai zagaye da maɗaura.Ƙarfe mai rami ya fi birgima da shimfiɗa don cimma tsayin da ake so da diamita.Babban amfani da bututu maras kyau shine kawar da lahani da ke da alaƙa;duk da haka, farashin kera ya fi girma.
Farkon bututu maras sumul ya kasance mai saurin kamuwa da lahani sakamakon ƙazanta a cikin ƙarfe.Yayin da dabarun yin ƙarfe suka inganta, waɗannan lahani sun ragu, amma ba a kawar da su gaba ɗaya ba.Duk da yake da alama cewa bututu maras kyau zai fi dacewa da kafa, bututu mai welded, ikon inganta halayen da ake so a cikin bututu yana iyakance.Don haka, a halin yanzu ana samun bututu maras sumul a ƙananan maki da kaurin bango fiye da bututun walda.
Jindalai Karfe Group ya kware wajen kera manyan bututun ERW (Electric Resistance Welded) da SSAW (Spiral Submerged Arc welded) bututu.Kamfaninmu ya ci gaba φ610 mm high-mita madaidaiciya madaidaiciya juriya waldi na'ura, da φ3048mm karkace submerged baka welded inji.Hakanan, baya ga masana'antun ERW da SSAW, muna da wasu masana'antu guda uku masu alaƙa don samar da LSAW da SMLS a duk faɗin China.
Idan siyan bututun yana nan gaba kaɗan, nemi ƙima.Za mu samar da wanda zai ba ku daidai samfuran da kuke buƙata cikin sauri.Aika bincikenku kuma za mu yi farin cikin tuntuɓar ku da ƙwarewa.
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Lokacin aikawa: Dec-19-2022