9.25*1.24mm ASTM A216 316/316L Bakin karfe nada tubing daga China

Lokacin walda 300 Series bakin karfe, yan kwangila iya kawar da backflushing a tushen gidajen abinci na bude hadin gwiwa bututu yayin da rike high weld quality.
Welding na bakin karfe shambura da bututu sau da yawa bukatar backflushing tare da argon ta yin amfani da na gargajiya tafiyar matakai kamar gas kariya tungsten baka waldi (GTAW) da kariya karfe baka waldi (SMAW).Amma farashin gas da lokacin da ake ɗauka don kammala aikin tsaftacewa na iya zama mahimmanci, musamman yayin da diamita na bututu da tsayin su ya karu.

Lokacin walda 300 Series bakin karfe, ƴan kwangila za su iya canzawa zuwa wani modified short kewaye karfe baka waldi (GMAW) maimakon na gargajiya GTAW ko SMAW.Ingantattun tsarin GMAW na gajeren lokaci kuma yana ba da ƙarin aiki, inganci da fa'idodin sauƙin amfani don taimakawa haɓaka riba.
Saboda juriyar lalatarsu da ƙarfinsu, ana amfani da galoli na bakin ƙarfe a aikace-aikacen bututu da yawa, gami da mai da iskar gas, petrochemical, da masana'antar biofuel.Yayin da aka saba amfani da GTAW a aikace-aikacen bakin karfe da yawa, yana da wasu lahani waɗanda za'a iya magance su tare da gajeriyar da'ira GMAW.
Na farko, saboda ƙarancin ƙwararrun ƙwararrun masu walda, gano ƙwararrun GTAW babban ƙalubale ne mai gudana.Abu na biyu, GTAW ba shine tsarin walda mafi sauri ba, wanda ya sa ya zama da wahala ga kamfanonin da ke son haɓaka yawan aiki don biyan bukatun abokin ciniki.Na uku, ana buƙatar dogon bututun ƙarfe da bututun ƙarfe mai tsada da tsada.
Tsaftacewa shine shigar da iskar gas yayin walda don kawar da gurɓataccen abu da ba da tallafi.Tsaftace gefen baya yana kare gefen baya na walda daga samuwar oxides masu nauyi a gaban iskar oxygen.
Idan bayan baya ba a kiyaye shi ba yayin waldawar tushen canal, wannan na iya haifar da fashe kayan tushe.Ana kiran wannan lahani da sukari, don haka sunansa saboda saman da ke cikin walda yana kama da sukari sosai.Don hana sukari, mai walda yana shigar da bututun iskar gas zuwa ƙarshen bututun, sannan ya toshe ƙarshen bututun tare da matosai.Sun kuma haifar da huɗa a ɗayan ƙarshen bututun.Har ila yau, yawanci ana buga su a kusa da kabu.Bayan tsaftace bututun, sai suka cire wani tef da ke kewaye da haɗin gwiwa kuma suka ci gaba da walƙiya, suna maimaitu aikin cirewa da walƙiya har sai an gama tushen tushen.
Blowback na iya kashe lokaci mai yawa da kuɗi, a wasu lokuta ƙara dubban daloli zuwa aikin.Canjawa zuwa tsarin GMAW na gajeriyar zagayowar ci gaba ya ba wa kamfanin damar yin fasfo na baya-baya a cikin aikace-aikacen bakin karfe da yawa.Welding 300 jerin bakin karfe ne mai kyau dan takara, yayin waldi high tsarki duplex bakin karfe a halin yanzu yana bukatar GTAW ga tushen wucewa.
Tsayawa shigarwar zafi a matsayin ƙasa kaɗan yana taimaka wa juriyar lalata kayan aikin.Hanya ɗaya don rage shigar da zafi shine rage yawan adadin walda.Tsarin GMAW na gajeriyar kewayawa kamar sarrafa ƙarfe mai sarrafawa (RMD®) yana amfani da daidaitaccen canjin ƙarfe mai sarrafawa don tabbatar da jigon ɗigo iri ɗaya.Wannan yana sauƙaƙa wa mai walda don sarrafa tafkin walda, ta yadda zai sarrafa shigar da zafi da saurin walda.Ƙananan shigarwar zafi yana ba da damar narkakkar wanka don daskare da sauri.
Saboda sarrafa karfen canja wuri da daskarewa da sauri na tafkin walda, tafkin walda ya zama ƙasa da tashin hankali kuma iskar kariya tana fita daga fitilar GMAW cikin sauƙi.Wannan yana ba da damar iskar gas don tilastawa ta hanyar tushen da aka fallasa, tilasta fitar da yanayi da kuma hana saccharification ko iskar oxygen a gefen walda.Domin kududdufin yana daskarewa da sauri, yana ɗaukar ɗan lokaci kaɗan don iskar gas ya rufe shi.
Gwaji ya nuna cewa tsarin GMAW na gajeriyar da'ira da aka gyara ya dace da ma'aunin ingancin walda yayin da yake kiyaye juriyar lalata ta bakin karfe kamar lokacin amfani da GTAW don waldawar tushen fasinja.
Welding buɗaɗɗen tushen magudanar ruwa ta amfani da gyare-gyaren tsarin GMAW na gajeriyar kewayawa zai iya kawo wasu fa'idodi dangane da yawan aiki, inganci, da horar da walda.
Canje-canje a cikin hanyoyin walda suna buƙatar kamfanoni su daidaita tsarin su, amma wannan canjin zai iya biya ta fuskar lokaci da tanadin farashi - don sabbin samarwa da sake gyarawa.
Welding buɗaɗɗen tushen magudanar ruwa ta amfani da gyare-gyaren tsarin GMAW na gajeriyar kewayawa zai iya kawo wasu fa'idodi dangane da yawan aiki, inganci, da horar da walda.Waɗannan sun haɗa da:
Yana kawar da yiwuwar tashoshi masu zafi saboda yiwuwar ƙaddamar da ƙarin ƙarfe don ƙara kauri daga tushen tushen.
Kyakkyawan juriya ga babba da ƙananan ƙaura tsakanin sassan bututu.Wannan tsari na iya cike giɓi cikin sauƙi har zuwa inci 3⁄16 saboda canjin ƙarfe mai santsi.
Ana kiyaye tsayin baka akai-akai ba tare da la'akari da tsawo na lantarki ba, wanda ke rama masu aiki waɗanda ke gwagwarmaya don kiyaye tsayin tsayin tsayi.Wajan walda mafi sarrafawa da daidaiton karfe yana rage lokacin horo don sabbin masu walda.
Rage raguwa don canjin tsari.Ana iya amfani da waya iri ɗaya da gas ɗin kariya don tushen, cikawa da wucewar garkuwa.Za a iya amfani da tsarin GMAW mai bugun jini idan har an cika tashoshi kuma an rufe su da iskar kariya mai dauke da akalla 80% argon.
Don ayyukan da ke neman kawar da baya a aikace-aikacen bakin karfe, yana da mahimmanci a bi mahimman shawarwari guda biyar don samun nasarar canzawa zuwa tsarin GMAW na gajeriyar da'ira.
Tsaftace bututun ciki da waje don cire duk wani gurɓataccen abu.Tsaftace aƙalla inch 1 daga gefen dacewa tare da goshin waya da aka ƙera don bakin karfe.
Yi amfani da babban ƙarfe na bakin karfe na siliki kamar 316LSi ko 308LSi.Mafi girman abun ciki na siliki yana taimakawa jika wanka narke kuma yana aiki azaman deoxidizer.
Don sakamako mafi kyau, yi amfani da cakuda gas ɗin garkuwa da aka tsara musamman don aiwatarwa, kamar 90% helium, 7.5% argon, da 2.5% carbon dioxide.Wani zaɓi shine 98% argon da 2% carbon dioxide.Mai samar da iskar gas na iya samun wasu shawarwari.
Don samun sakamako mafi kyau, yi amfani da tip ɗin mazugi da bututun bututun tuwo don ɗaukar iskar gas da aka yi niyya.Bututun ƙarfe tare da ginanniyar mai watsa iskar gas yana ba da kyakkyawan ɗaukar hoto.
Lura cewa yin amfani da ɗan gajeren tsari na GMAW (babu ajiyar iskar gas) yana haifar da ƙaramin ɗigo a bayan walda.Yawanci yana raguwa yayin da walda ke yin sanyi kuma ya dace da ƙa'idodi masu inganci don masana'antar mai, masana'antar wutar lantarki da sinadarai na petrochemicals.
Jim Byrne shine manajan tallace-tallace da aikace-aikacen Miller Electric Mfg. LLC, 1635 W. Spencer St., Appleton, WI 54912, 920-734-9821, www.millerwelds.com.
An ƙaddamar da Tube & Pipe Journal a cikin 1990 a matsayin mujallar farko da aka sadaukar don masana'antar bututun ƙarfe.Har wala yau, ita ce kawai buguwar masana'antu a Arewacin Amurka kuma ta zama mafi amintaccen tushen bayanai ga ƙwararrun tubing.
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