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Dhibaatooyinka iyo xalalka la xidhiidha habka alxanka ee saxannada dhuuban iyo kuwa dhuuban

2024-08-01

1. Maxaa la sameeyaa haddii dhumucda birta workpiece ay ka badan tahay hadda alxanka ugu badan in mishiinka alxanka gaari karo marka la isticmaalayo alxanka birta gaaska (GMAW) iyo flux cored silig gaaska gaaska alxanka (FCAW) in alxanka workpieces birta?

Xalku waa in hore loo sii kululeeyo birta ka hor alxanka. Ku sii kululee aagga alxanka ee goobta shaqada adoo isticmaalaya propane, gaaska caadiga ah ama toosh alxanka acetylene, kulaylka hore ee 150-260 ℃, ka dibna sii wad alxanka. Ujeeddada horay loogu sii kululeeyay birta ku jirta aagga alxanka waa in laga hortago in meesha alxanka ay si degdeg ah u qaboojiso, si aysan u keenin dildilaac ama fiyuus aan dhammaystirnayn alxanka.

2. Haddii ay lama huraan tahay in la isticmaalo alxanka gaaska dhalaalaysa ee gaaska ka ilaaliya alxanka ama alxanka siliga gaaska ka samaysan silig bir ah oo khafiif ah lagu alxanayo tuubo bir ah oo dhumuc weyn leh, haddii hadda alxanka aan si sax ah loo hagaajin karin inta lagu jiro alxanka, waxay u horseedi kartaa laba xaaladood:

Mid waa in la yareeyo alxanka hadda si looga hortago in birta khafiifka ah ay gubato, iyo wakhtigan, daboolka birta khafiifka ah laguma alxan karo tuubada birta ah ee qaro weyn; Marka labaad, alxanka xad-dhaafka ah ee hadda socda wuxuu ku guban karaa koofiyadaha birta ah ee khafiifka ah. Sidee baa tan loo maareynayaa?

Inta badan waxaa jira laba xal:

① Hagaajin alxanka hadda si aad uga fogaato in ay gubato daboolka birta ah ee dhuuban, ku sii kululee dhuumaha birta qaro weyn leh shumaca alxanka, ka dibna isticmaal tignoolajiyada alxanka khafiifka ah si aad u alxanto labada qaab ee birta ah.

② Hagaajin hadda alxanka si uu ugu habboonaado alxanka tubooyinka birta ee qaro weyn. Marka alxanka, ilaali wakhtiga deganaanshaha ee arc alxanka ee tuubada birta qaro weyn 90% oo yaree wakhtiga deganaanshaha daboolka birta khafiifka ah. Waa in la tilmaamaa in kaliya marka aqoonta farsamadan la heli karo kala-goysyada alxanka wanaagsan.

  1. Marka la alxanayo tuubo dhuuban oo gidaar dhuuban ama leydi ah oo tuubo dhuuban ah oo lagu dhejinayo saxan qaro weyn, usha alxanka waxay u nugul tahay inay ku gubato qaybta tuubada dhuuban. Marka laga reebo labada xal ee sare, ma jiraan xal kale?

Haa, inta badan adigoo isticmaalaya usha kala daadinta kulaylka inta lagu jiro habka alxanka. Haddii ul adag oo wareegsan la geliyo tuubo wareeg ah oo dhuuban, ama ul adag oo leydi ah la geliyo tuubada leydilaha ah, usha adag waxay ka qaadi doontaa kulaylka qalabka derbiga dhuuban waxayna ka ilaalin doontaa gubasho. Guud ahaan marka la hadlo, ulo adag oo wareegsan ama leydi leh ayaa si adag loogu rakibay inta badan alaabta tuubada bannaan ama leydiga ah. Marka alxanka, waa in fiiro gaar ah loo yeesho in alxanka laga fogeeyo dhamaadka tuubada, taas oo ah meesha ugu nugul in lagu gubo. Jaantuska qaabaysan ee isticmaalka weelka kulaylka lagu dhex dhisay si looga fogaado gubashada ayaa lagu muujiyay sawirka 1.

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  1. Sidee baa galvanized ama chromium ka kooban loogu alxan karaa qayb kale?

Habka ugu fiican waa in la fayl-gareeyo ama la nadiifiyo agagaarka alxanka ka hor, maadaama galvanized ama chromium ay ku jiraan taarikada birta ah kaliya maaha inay wasakheeyaan oo daciifiyaan alxanka, laakiin sidoo kale waxay sii daayaan gaasaska sunta ah inta lagu jiro alxanka.