1.Mokhoa oa howeld tshepe e bonolo?
Tšepe e tlaase ea carbon e na le carbon content e tlaase le polasetiki e ntle, 'me e ka lokisoa ka mefuta e sa tšoaneng ea manonyeletso le likaroloana.Ts'ebetsong ea welding, ha ho bonolo ho hlahisa sebopeho se thata, 'me tšekamelo ea ho hlahisa mapetsong le eona e nyenyane.Ka nako e ts'oanang, ha ho bonolo ho hlahisa li-pores.Ke thepa e ntle ka ho fetisisa ea welding.
Welding low carbon steel ka tjheseletsa ya khase, welding arc manual, submerged arc automatic welding, welding e sirelelitsoeng ka khase le mekhoa e meng e ka fumana manonyeletso a matle a cheselitsoeng.U se ke ua futhumatsa nako e telele ha u sebelisa welding ea khase, ho seng joalo lijo-thollo tse sebakeng se amehileng ke mocheso li tla ba kholoanyane habonolo.Ha lenonyeletso le thata haholo 'me mocheso o le tlase o le tlase, sesebelisoa sa mosebetsi se lokela ho futhumatsoa ho 100 ~ 150 ° C ho qoba mapetsong.
2.Mokhoa oa ho cheselletsa tšepe ea khabone e mahareng?
Ka lebaka la lik'habone tse phahameng tsa carbon steel seam, seam weld le sebaka sa eona se amehileng ke mocheso li na le tšekamelo ea ho haha meaho e thata 'me li baka mapetsong, kahoo e lokela ho futhumatsoa pele ho hoo e ka bang 300 ° C pele ho tjheseletsa, 'me ho hlokahala hore ho pholisoe butle ka mor'a ho cheselletsa.E ka chesetsoa ka tjheseletso ea khase, welding ea arc ka letsoho le tjheseletso e sirelelitsoeng ka khase.Lisebelisoa tsa welding li lokela ho sebelisa AWS E7016, AWS E7015 le li-electrode tse ling tse nang le khanyetso e ntle ea crack.
3.Mokhoa oa ho etsa aluminium le motsoako oa aluminium joang?
Aluminium le li-alloys tsa aluminium li na le tšekamelo ea ho hlahisa lifilimi tsa oxide tse nang le lintlha tse kholo le lintlha tse phahameng tsa ho qhibiliha nakong ea welding.Filimi ena ea oxide e ka boela ea monya metsi a mangata, kahoo liphoso tse kang li-slag inclusions, fusion e fokolang, le li-pores li atisa ho etsahala nakong ea ho cheselletsa.Ho phaella moo, li-alloys tsa aluminium Hape li na le mapetsong a mocheso.Aluminium ea ho cheselletsa le lisebelisoa tsa aluminium li ka etsoa ka ho tjheseletsa ka khase kapa ka letsoho la arc welding.Leha ho le joalo, mocheso oa ho cheselletsa khase ha o tsejoe, 'me mocheso oa mocheso oa aluminium o potlakile, kahoo tlhahiso ea tlhahiso e tlaase,' me deformation ea workpiece e kholo, kahoo ha e sebelisoe ka seoelo ntle le lipoleiti tse tšesaane.Hona joale, mekhoa e mengata ea AC argon arc welding e sebelisetsoa ho cheselletsa aluminium le li-alloys tsa aluminium, hobane e na le mocheso o tebileng, li-weld seams tse ntle, deformation e nyenyane, tšireletso ea argon, 'me e ka thibela ho kenngoa ha slag le pores.Haeba arc welding e sebelisoa ho cheselletsa aluminium, e loketse lipoleiti tse teteaneng tse ka holimo ho 4mm.
Likarolo tsa lithupa tsa welding tse sebelisoang ke aluminium 109, aluminium 209 le aluminium 309. Kaofela ke li-electrode tse thehiloeng letsoai tse nang le botsitso bo fokolang ba arc, tse hlokang matla a DC a khutlisetsang morao.
4.Mokhoa oa ho etsa li-alloys tsa titanium le titanium?
Titanium ke ntho e sebetsang haholo.Boemong ba metsi le bo tiileng ka holimo ho 600 ° C, ho bonolo haholo ho itšoara ka oksijene, nitrogen, hydrogen le likhase tse ling ho etsa litšila tse kotsi le ho embrittle titanium.Ka hona, tjheseletsa ea khase ea oksijene-acetylene, welding arc manual kapa welding e 'ngoe e sirelelitsoeng ka khase e ke ke ea sebelisoa bakeng sa li-alloys tsa titanium le titanium, empa ho ka sebelisoa feela argon arc welding, vacuum electron beam welding le welding ea ho ikopanya.
Lipoleiti tse tšesaane tse ka tlase ho 3mm li tšehelitsoe ke argon arc welding, phepelo ea motlakase e hokahane ka kotloloho le hajoale, bohloeki ba khase ea argon ha bo ka tlase ho 99.98%, nozzle e lokela ho ba haufi ka hohle kamoo ho ka khonehang ho workpiece, hona joale welding e lokela ho ba teng. e nyane, mme lebelo la welding le lokela ho potlaka.Ntlafatsa sebopeho sa kristale le ho felisa khatello ea maikutlo.
5.Mokhoa oa howeld koporole metsoako ea koporo?
Ho chesoa ha li-alloys tsa koporo le tsa koporo ho na le mathata a mangata, hobane conductivity ea bona ea mocheso e ntle ka ho khetheha, kahoo ho bonolo ho baka mefokolo e kang ho se khonehe le ho futsaneha ho fokolang.Ka mor'a ho tjheseletsa, workpiece e tla ba le deformation e kholo, 'me sebaka sa weld le fusion le sona se na le tšekamelo ea ho mapetsong le palo e kholo ea li-pores.Thepa ea mechine ea motsoako, haholo-holo polasetiki le ho tiea li tlase ho feta tsa tšepe ea motheo.Ho cheselletsa khase ho ka sebelisoa ho cheselletsa koporo e khubelu, empa ts'ebetso e tlase haholo, deformation e kholo, 'me e hloka ho futhumatsoa ka holimo ho 400 ° C,' me maemo a ho sebetsa ha a matle.Manual arc welding e ka sebelisa li-electrode tsa koporo tsa 107 kapa tsa koporo tsa 227, phepelo ea motlakase e khutlisetsoa morao le DC, arc e bolokoa e le tlase ka hohle kamoo ho ka khonehang, 'me mokhoa oa linear reciprocating strip o sebelisoa ho ntlafatsa sebopeho sa weld.Hammer the weld ka mor'a ho tjheseletsa ho ntlafatsa boleng ba weld.Haeba argon tungsten arc welding e sebelisoa, ho ka fumanoa manonyeletso a boleng bo holimo, 'me deformation ea litšepe e ka fokotsoa.Wire 201 e sebelisetsoa ho tjheseletsa terata.Haeba ho sebelisoa terata e khubelu ea koporo ea T2, flux 301 le eona e lokela ho sebelisoa.Motlakase o amohela khokahanyo e ntle ea DC.The workpiece le welding terata e lokela ho hloekisoa ka hloko nakong ea welding ho fokotsa pores le slag inclusions.Ho lokela ho sebelisoa lebelo le phahameng la hona joale le le phahameng ha ho chesetsoa.
Gas tjheseletsa e atisa ho sebelisoa bakeng sa tjheseletsa koporo, le terata tjheseletsa e ka ba terata 221, terata 222 kapa terata 224, joalo-joalo Lithapo tsena li na le silicon, thini, tšepe le lintho tse ling, e leng ho ka fokotsa ho chesa tahlehelo ea zinki ka letamo le qhibilihisitsoeng. .Ka lebaka la mocheso o tlase oa tjheseletsa ea khase, tahlehelo e tukang ea zinki ka koporo e ka fokotseha;lelakabe le lenyenyane la oxidation le sebelisoa ho koahela bokaholimo ba letamo le qhibilihisitsoeng ka lera la filimi ea zinc oxide, e ka fokotsang mouoane oa zinki.Ho feta moo, koporo e ka boela ea chesetsoa ka letsoho la arc welding le argon tungsten arc welding.
6.Litšobotsi tsa welding ea tšepe e tlase ea alloy ke life?
Tšepe e tloaelehileng ea alloy e tlase ke tšepe e sebelisoang hangata bakeng sa ho ikatisa.Ntho e ka sehloohong ea mofuta ona oa tšepe ea tšepe ke hore sebaka se amehileng ke mocheso oa motsoako se na le tšekamelo e kholo ea ho thatafala, 'me lihlahisoa tsa haedrojene li tla baka mapetsong a batang lenonyeletsong.Tloaelo ena ea ho thatafatsa le ho phatloha ho batang e ntse e eketseha ha matla a tšepe ea alloy a ntse a eketseha.
7.Mokhoa oa ho tjheseletsa oa tšepe ea manganese ea 16 ke ofe?
16 Manganese tšepe tjheseletsa lokela ho sebelisa mateano 506 kapa mateano 507 le li-electrode tse ling tsa motheo, DC reverse connection.Ha mokhoa oa ho phunya oa sebopeho o se o moholo, lithupa tse cheselletsang acid tse kang mateano a 502 kapa mateano a 503 le tsona li ka sebelisoa, 'me mokhoa oa ho tjheseletsa o tšoana le oa tšepe e tlaase ea carbon;ha tjheseletso e batla e le thata mme mocheso wa tikoloho o le tlase ho -10°C, ho futhumala pele ho tjheseletsa ho a hlokeha.Liphetho tse khotsofatsang li ka fumanoa ka ho tjheseletsa arc ka letsoho, welding ea arc e ka tlas'a metsi kapa welding ea electroslag.
8.Mokhoa oa ho cheselletsa oa No. 15 manganese vanadium le No. 15 manganese titanium tšepe ke ofe?
Ka bobeli 15 vanadium ea manganese le 15 titanium ea manganese ke tsa 40 kg e tloaelehileng ea tšepe ea alloy.Ka lebaka la ho eketsoa ha vanadium kapa titanium e itseng, boemo ba matla ba tšepe bo ntlafatsoa;empa ho cheseha ha bona, lisebelisoa tsa ho cheselletsa le lits'ebetso tsa ho cheselletsa li tšoana le tsa tšepe ea manganese e 16.Papiso ea tšoana.Ha ho sebelisoa welding othomathike ea arc, terata ea welding e ka ba 08 manganese phahameng, 08 manganese 2 silicon, le flux 431, flux 350 kapa flux 250 e ka fihlela litholoana tse khotsofatsang.
9.Mokhoa oa ho cheselletsa oa No. 18 manganese molybdenum niobium tšepe ke ofe?
No. 18 manganese-molybdenum-niobium tšepe ke ea 50 kg high-high-matla tšepe e tloaelehileng tlaase alloy tšepe, e atisang ho sebelisoa ha ho etsoa lihlahisoa tsa bohlokoa tjheseletsa tse kang likepe tse nang le khatello e phahameng le meropa ea boiler.Ka lebaka la matla a eona a phahameng le tšekamelo e kholo ea ho thatafatsa, mehato ea ho futhumatsa sebakeng seo e lokela ho nkoa nakong ea ho cheselletsa letheba.Ela hloko ho omisa electrode le ho hloekisa groove ho thibela mapetsong a batang a bakoang ke hydrogen.Manual arc welding e sebelisa mateano 607 le li-electrode tse ling;ka tlas'a metsi arc automatic welding e sebelisa terata ea welding e nang le manganese e phahameng 08 le molybdenum, 'me e ka tšelisoa ka flux 250 kapa flux 350.
Nako ea poso: Jun-12-2023