Ho khetha lisebelisoa ho fana ka boleng bo phahameng ka ho fetisisa le tlhahiso ts'ebetsong ea ho cheselletsa ho feta feela mohloli oa matla kapa sethunya sa ho cheselletsa - lisebelisoa le tsona li phetha karolo ea bohlokoa.Malebela a ho ikopanya, haholoholo, a ka etsa phapang e kholo lipakeng tsa ts'ebetso e sebetsang hantle le ho eketsa nako ea ho phomola ho lokisa mathata.Ho khetha malebela a nepahetseng bakeng sa mosebetsi le hona ho ka ama phaello ea ts'ebetso ea welding.
Litlhahiso tsa ho ikopanya le tsona li na le boikarabelo ba ho fetisetsa motlakase oa welding ho terata ha e ntse e feta ho theha arc.Ha e le hantle, terata e lokela ho feta ka mokhoa o fokolang, ha e ntse e boloka motlakase.
Malebela a ho ikopanya a ka etsa phapang e kholo lipakeng tsa ts'ebetso ea welding e sebetsang hantle le ho fokotsa nako ho lokisa mathata, hape a ka ama phaello ea ts'ebetso ea welding.
Ka lebaka leo, kamehla ho bohlokoa ho khetha keletso ea boleng bo holimo.Leha lihlahisoa tsena li ka bitsa chelete e ngata ho feta ea maemo a tlase, ho na le boleng ba nako e telele ho hanana le theko eo ea pele.
Ho feta moo, malebela a boleng bo holimo hangata a etsoa ka metjhini ho mamella mamello e matla, ho theha khokahano e betere ea mocheso le motlakase.Li ka boela tsa e-ba le setsi sa bohareng se boreleli, se bakang khohlano e fokolang ha terata e ntse e feta.Seo se bolela ho fepa ka terata ka mokhoa o ts'oanang ka ho hula hanyane, ho felisang mathata a ka bang teng a boleng.
Litlhahiso tsa boleng bo phahameng ba ho ikopanya le tsona li ka thusa ho fokotsa li-burnbacks (ho thehoa ha weld ka hare ho ntlha ea ho kopana) le ho thusa ho thibela arc e sa tsitsang e bakoang ke conductivity e sa tsitsang ea motlakase.Li boetse li na le tšekamelo ea ho tšoarella nako e telele.
Ho khetha thepa e nepahetseng le boholo ba bore
Malebela a ho ikopanya le a sebelisetsoang ho tjheseletsa ha MIG semi-automatic hangata a entsoe ka koporo.Thepa ena e fana ka conductivity e ntle ea mocheso le motlakase ho lumella phetisetso e tsitsitseng ea hona joale ho terata, ha e ntse e tšoarella ka ho lekaneng ho mamella mocheso o hlahisoang nakong ea ts'ebetso ea welding.Bakeng sa li-welding tsa robotic, lik'hamphani tse ling li khetha ho sebelisa malebela a boima a chrome zirconium, kaha tsena li thata ho feta tsa koporo 'me li molemo ho mamella nako e ntseng e eketseha ea arc-on ea kopo e ikemetseng.
Maemong a mangata, ho sebelisa keletso ea ho ikopanya e lumellanang le boholo ba terata ho lebisa liphellong tse ntle ka ho fetisisa.Leha ho le joalo, ha terata e feptjoa ho tsoa moqomong (mohlala, liponto tse 500 le ho feta) le/kapa ha u sebelisa terata e tiileng, ntlha e ka tlaase ho moo ea ho ikopanya e ka ntlafatsa ts'ebetso ea ho cheselletsa.Hobane terata e tsoang moqomong ha e na cast e nyane, e iphepa ka ntlha ea ho ikopanya e sa kopane kapa e sa kopane - ho ba le bore e nyane ho baka khatello e matla holim'a terata, ho etsa hore motlakase o be matla.Leha ho le joalo, ho fokotsa ntlha ea ho kopana ho ka eketsa khohlano, e leng se bakang ho fepa ka terata ka mokhoa o sa tsitsang, 'me mohlomong, ho chesa.
Ka lehlakoreng le leng, ho sebelisa ntlha e feteletseng ho ka fokotsa phetisetso ea hona joale le ho eketsa mocheso oa ntlha, e leng se ka lebisang ho cheso ea mohala.Ha u e-na le lipelaelo mabapi le ho khetha keletso ea boholo bo nepahetseng ea ho ikopanya, ikopanye le moetsi ea tšeptjoang oa thepa kapa mofani oa litšepe.
E le mokhoa o motle, kamehla hlahloba kamano pakeng tsa ntlha ea ho ikopanya le mochine oa khase ho netefatsa hore e sireletsehile.Ka lebaka leo, khokahano e sireletsehileng e fokotsa khanyetso ea motlakase e ka lebisang ho chesa haholo.
Ho utloisisa phomolo ea keletso
Recess ea puisano e bua ka boemo ba ntlha ea ho ikopanya ka har'a nozzle mme ke ntlha ea bohlokoa e susumetsang boleng ba weld, tlhahiso le litšenyehelo ts'ebetsong ea welding.Haholo-holo, phomolo e nepahetseng ea lintlha e ka fokotsa monyetla oa ho fafatsa ho feteletseng, porosity le ho chesa kapa ho loana le lisebelisoa tse tšesaane.E ka boela ea thusa ho fokotsa mocheso o khanyang o ka bakang ho se sebetse pele ho nako.
Recess ea puisano e ama terata ka kotloloho, eo hape e bitsoang katoloso ea electrode.Ha nako ea phomolo e le kholoanyane, ho na le nako e telele ea ho khomarela 'me motlakase o phahama.Ka lebaka leo, sena se etsa hore arc e tsitse hanyenyane.Ka lebaka leo, terata e ntle ka ho fetesisa hangata ke e khuts'oane ka ho fetesisa e lumelletsoeng bakeng sa kopo;e fana ka arc e tsitsitseng haholoanyane le ho kenella ha matla a tlaase ho molemo.Maemo a tloaelehileng a malebela ke 1/4-inch recess, 1/8-inch recess, flush le 1/8-inch extension.Sheba Setšoantšo sa 1 bakeng sa likopo tse khothaletsoang bakeng sa e 'ngoe le e 'ngoe.
| Phomolo/Katoloso | Amperage | Wire Stick-Out | Tshebetso | Lintlha |
| 1/4-in.Phomolo | > 200 | 1/2 - 3/4in. | Fafatsa, ho otla ha pelo ho phahameng hona joale | Metal-cored wired, spray transfer, argon-rich e tsoakaneng ea khase |
| 1/8-in.Phomolo | > 200 | 1/2 - 3/4in. | Fafatsa, ho otla ha pelo ho phahameng hona joale | Metal-cored wired, spray transfer, argon-rich e tsoakaneng ea khase |
| Hlakola | <200 | 1/4 - 1/2in. | Nako e khuts'oane, lebelo le tlase la hona joale | Maemo a tlase a argon kapa karolo ea 100 lekholong CO2 |
| 1/8-in.Katoloso | <200 | 1/4 ka hare. | Nako e khuts'oane, lebelo le tlase la hona joale | Manonyeletso a thata ho fihlella |
Ho eketsa bophelo ba keletso
Ho hloleha ha lintlha tsa ho ikopanya ho ka bakoa ke litšusumetso tse ngata, ho kenyelletsa ho chesoa, ho roala ha mochini le motlakase, mokhoa o fosahetseng oa opareitara ea tjheseletsa (mohlala, ho fapana ha lithunya le sebaka sa ho kopana-ho ea mosebetsing [CTWD]), le mocheso o hlakileng o tsoang ho thepa ea motheo, e leng e atileng ka thata ho fihlella weld manonyeletso kapa libakeng tse koaletsoeng.
Boleng ba terata e sebelisoang bo ka boela ba ama bophelo ba lintlha tsa puisano.Hangata mohala oa boleng bo tlaase o na le samente e sa rateheng kapa helix e ka etsang hore e fepe ka mokhoa o sa tsitsang.Seo se ka thibela terata le ntlha ea ho ikopanya hore e se ke ea hokahanngoa hantle ka bore, ka lebaka leo e bakang conductivity e tlase le khanyetso e phahameng ea motlakase.Litaba tsena li ka lebisa ho hloleheng ha ntlha ea ho ikopanya pele ho nako ka lebaka la mocheso o feteletseng, hammoho le boleng bo tlase ba arc.Ho lelefatsa bophelo ba keletso ea ho ikopanya, nahana ka tse latelang:
• Sebelisa meqolo e nepahetseng ea ho khanna ho etsa bonnete ba ho fepa ka terata e boreleli.
• Eketsa lebelo la phepelo ea terata le ho lelefatsa CTWD ho fokotsa ho chesa.
• Khetha malebela a ho ikopanya le bokaholimo bo boreleli ho thibela ho taboha ha terata.
• Fokotsa lithunya tsa MIG ka bolelele bo nepahetseng hore terata e fete hantle.
• Lithempereichara tse tlase tsa ts'ebetso, ha ho khoneha, ho fokotsa ho senyeha ha motlakase.
• Sebelisa lithapo tsa motlakase tse khutšoane ha ho khoneha ho fumana phepelo e bobebe ea terata.Haeba ho hlokahala lithapo tse telele tsa matla, leka ho fokotsa loops ho tsona ho thibela kinking.
Maemong a mang, ho ka ba ho lakatsehang ho fetolela sethunya sa MIG se pholileng ka metsi ho thusa ho boloka lisebelisoa tse ka pele, ho kenyelletsa le ntlha ea ho ikopanya, ho pholile le ho sebetsa nako e telele.
Likhamphani li boetse li lokela ho nahana ka ho latela ts'ebeliso ea tsona ea malebela a ho ikopanya, ho ela hloko phetoho e feteletseng le ho sebetsana le tse ling tsa litemoso tse khothaletsoang.Ho sebetsana le nako ena ea ho theoha kapele ho feta hamorao ho ka thusa lik'hamphani ho fokotsa litšenyehelo tse sa hlokahaleng bakeng sa thepa, ha ho ntse ho ntlafatsa boleng le tlhahiso.
Nako ea poso: Jan-04-2023
