15. Gịnị bụ isi ọrụ nke gas ịgbado ọkụ ntụ ntụ?
Isi ọrụ nke ntụ ntụ ịgbado ọkụ bụ ịmepụta slag, nke na-emeghachi omume na oxides metal ma ọ bụ adịghị ọcha na-adịghị na ọdọ mmiri a wụrụ awụ iji mepụta slag a wụrụ awụ. N'otu oge ahụ, slag a wụrụ awụ na-ekpuchi elu ọdọ mmiri a wụrụ awụ wee kewapụ ọdọ mmiri a wụrụ awụ n'ikuku, si otú a na-egbochi ígwè ọdọ mmiri ahụ gbazere ịbụ oxidized na okpomọkụ dị elu.
16. Gịnị bụ usoro jikoro iji gbochie weld porosity na ntuziaka arc ịgbado ọkụ?
zaa:
(1) Ekwesịrị idowe mkpanaka ịgbado ọkụ na flux ka akpọọ nkụ ma kpọọ nkụ dịka iwu siri dị tupu ejiri ya;
(2) Ekwesịrị idowe elu nke wires ịgbado ọkụ na welded dị ọcha na enweghị mmiri, mmanụ, nchara, wdg.
(3) họrọ nke ọma nkọwa ịgbado ọkụ, dị ka ịgbado ọkụ ugbu a ekwesịghị ịbụ oke ibu, ịgbado ọkụ ọsọ kwesịrị kwesịrị ekwesị, wdg;
(4) Jiri ụzọ ịgbado ọkụ ziri ezi, jiri alkaline electrodes maka ịgbado ọkụ aka, obere ịgbado ọkụ, belata njupụta nke elektrọd, belata ọsọ njem mkpanaka, na-achịkwa obere arc arc mmalite na mmechi, wdg;
(5) Jikwaa oghere mgbakọ nke weldments ka ọ ghara ịdị ukwuu;
(6) Ejila eletrọd nke mkpuchi ya gbawara agbawa, kpụpụrụ, mebiri emebi, eccentric ma ọ bụ nwee cores ịgbado ọkụ.
17. Kedu ihe bụ isi usoro iji gbochie ntụpọ ọcha mgbe ị na-agbado ígwè?
zaa:
(1) Jiri mkpara ịgbado ọkụ graphitized, ya bụ, jiri mkpara ịgbado ọkụ nkedo nwere nnukwu ihe ndị na-esepụta ihe (dị ka carbon, silicon, wdg) agbakwunyere na agba ma ọ bụ waya ịgbado ọkụ, ma ọ bụ jiri nickel dabere na ọla kọpa. nkedo ígwè ịgbado ọkụ mkpanaka;
(2) Kpoo ọkụ tupu ịgbado ọkụ, nọgide na-ekpo ọkụ n'oge ịgbado ọkụ, na ngwa ngwa na-ajụ oyi mgbe ịgbado ọkụ ga-ebelata ọnụ ọgụgụ dị jụụ nke mpaghara weld, gbasaa oge mpaghara fusion dị na ọnọdụ na-acha uhie uhie na-ekpo ọkụ, zuru ezu graphitize, ma belata nrụgide okpomọkụ;
(3) Jiri usoro brazing mee ihe.
18. Kọwaa ọrụ nke flux na usoro ịgbado ọkụ?
Na ịgbado ọkụ, flux bụ isi ihe na-ahụ na ịgbado ọkụ àgwà. O nwere ọrụ ndị a:
(1) Mgbe mmiri ahụ gbazechara, ọ na-ese n'elu igwe a wụrụ awụ iji chebe ọdọ mmiri a wụrụ awụ wee gbochie mbuze site na ikuku ndị na-emerụ ahụ.
(2) Mgbanwe ahụ nwere ọrụ nke deoxidizing na alloying, ma na-arụkọ ọrụ na waya ịgbado ọkụ iji nweta ihe mejupụtara kemịkalụ achọrọ na ihe eji arụ ọrụ nke igwe weld.
(3) Mee weld ahụ nke ọma.
(4) Jiri nwayọ nwayọ nwayọ nke igwe mgbaze wee belata ntụpọ dị ka pores na ntinye slag.
(5) Gbochie ịgbasa, belata mfu, ma kwalite ọnụọgụ ịgbado ọkụ.
19. Kedu ihe kwesịrị ịṅa ntị mgbe ị na-eji ma na-echekwa igwe ịgbado ọkụ AC arc?
(1) Ekwesịrị iji ya dabere na ogo ịgbado ọkụ ugbu a na oge ibu nke igwe ịgbado ọkụ, ma ebufeela ya.
(2) A naghị ekwe ka igwe ịgbado ọkụ dị mkpụmkpụ ogologo oge.
(3) A ghaghị ịrụ ọrụ ugbu a na-achịkwa n'ebughị ibu.
(4) Lelee kọntaktị waya mgbe niile, fuses, grounding, usoro mmezi, wdg ma hụ na ha nọ n'ọnọdụ dị mma.
(5) Debe igwe ịgbado ọkụ ka ọ dị ọcha, kpọrọ nkụ na ikuku ka ọ ghara igbochi uzuzu na mmiri ozuzo ịbata.
(6) Debe ya nke ọma ma bepụ ọkụ eletrik mgbe arụchara ọrụ.
(7) A ga-enyocha igwe ịgbado ọkụ mgbe niile.
20. Gịnị bụ ihe ize ndụ nke mgbaji agbaji?
Azịza: N'ihi na mgbaji na-agbaji agbaji na-apụta na mberede na enweghị ike ịchọpụta ma gbochie ya n'oge, ozugbo ọ pụtara, ihe ga-esi na ya pụta ga-adị oke njọ, ọ bụghị nanị na-akpata nnukwu mfu akụ na ụba, kamakwa na-etinye ndụ mmadụ n'ihe ize ndụ. Ya mere, mgbaji na-agbaji agbaji nke ụlọ welded bụ nsogbu ekwesịrị iji kpọrọ ihe.
21. Njirimara na ngwa nke ịgbasa plasma?
Azịza: Njirimara nke ịgbasa plasma bụ na ọkụ ọkụ plasma dị elu ma nwee ike gbazee ihe fọrọ nke nta ka ọ bụrụ ihe niile na-eme ka ọ bụrụ ihe mgbochi, ya mere enwere ike fesa ya n'ọtụtụ ihe. Ọsọ ọkụ plasma dị elu na mmetụta mmụba nke urughuru dị mma, yabụ ike njikọta mkpuchi dị elu. Ọ nwere ọtụtụ ihe eji eme ya, ọ bụkwa ụzọ kacha mma isi fesa ihe seramiiki dị iche iche.
22. Kedu usoro maka ịkwadebe kaadị usoro ịgbado ọkụ?
Azịza: Mmemme maka ịkwadebe kaadị usoro ịgbado ọkụ kwesịrị ịchọpụta usoro ntule usoro ịgbado ọkụ kwekọrọ dabere na eserese mgbakọ ngwaahịa, eserese nhazi akụkụ na ihe teknụzụ ha chọrọ, wee see eserese nkwonkwo dị mfe; nọmba kaadị usoro ịgbado ọkụ, ihe osise, njikọ aha, ọnụ ọgụgụ njikọ, ịgbado ọkụ usoro nọmba na welder asambodo ihe;
Kwadebe usoro ịgbado ọkụ dabere na nyocha usoro ịgbado ọkụ na ọnọdụ mmepụta n'ezie, ihe teknụzụ na ahụmịhe mmepụta; kwadebe kpọmkwem ịgbado ọkụ usoro parameters dabere na ịgbado ọkụ usoro ntule; chọpụta ụlọ ọrụ nyocha ngwaahịa, usoro nleba anya, yana oke nleba anya dabere na ihe achọrọ nke eserese ngwaahịa na ụkpụrụ ngwaahịa. .
23. Gịnị mere anyị kwesịrị iji tinye ụfọdụ ego nke silicon na manganese na ịgbado ọkụ waya nke carbon dioxide gas na-echebe ịgbado ọkụ?
Azịza: Carbon dioxide bụ ikuku oxidizing. N'oge usoro ịgbado ọkụ, a ga-akpọ ihe ndị na-emepụta ihe na-agbado ọkụ, si otú ahụ na-ebelata ihe ndị na-arụ ọrụ nke weld. N'ime ha, oxidation ga-eme ka pores na spatter. Tinye silicon na manganese na waya ịgbado ọkụ. Ọ nwere mmetụta deoxidizing ma nwee ike dozie nsogbu nke ịgbado ọkụ oxidation na spatter.
24. Gịnị bụ njedebe mgbawa nke ngwakọta ndị na-ere ọkụ, oleekwa ihe ndị na-emetụta ya?
Azịza: Oke ịta ahụhụ nke gas na-ere ọkụ, uzuoku ma ọ bụ uzuzu dị na ngwakọta ọkụ nwere ike ime ka a na-akpọ oke mgbawa.
A na-akpọ njedebe dị ala nke ntinye uche na njedebe mgbawa nke ala, na njedebe elu nke ntinye uche na-akpọ oke mgbawa elu. Ihe ndị dị ka okpomọkụ, nrụgide, ikuku oxygen na dayameta akpa na-emetụta oke mgbawa. Mgbe okpomọkụ na-abawanye, njedebe mgbawa na-ebelata; mgbe nrụgide na-abawanye, oke mgbawa na-ebelatakwa; mgbe ntinye nke oxygen na gas agwakọtara na-abawanye, oke mgbawa nke ala na-ebelata. Maka uzuzu ọkụ, ihe ndị dị ka mgbasa, iru mmiri na okpomọkụ na-emetụta oke mgbawa ya.
25. Kedu ihe a ga-eme iji gbochie ujo ọkụ eletrik mgbe a na-agbado ọkụ ọkụ, condensers, tank mmanụ, tankị mmanụ na ihe igwe ndị ọzọ?
Azịza: (1) Mgbe a na-agbado ọkụ, ndị na-agbado ọkụ kwesịrị ịzenarị akụkụ ígwè, guzoro n’elu ihe mkpuchi rọba ma ọ bụ yikwasị akpụkpọ ụkwụ na-ekpuchi rọba, na-eyikwa uwe ọrụ kpọrọ nkụ.
(2) Ekwesịrị inwe onye nlekọta n'èzí akpa ahụ nke nwere ike ịhụ ma nụ ọrụ welder, yana mgbanaka iji bepụ ọkụ dị ka mgbama nke welder.
(3) Voltage ọkụ nke ọkụ okporo ụzọ eji na arịa agaghị agafe 12 volts. Akwụsị ntụkwasị obi nke shei nke ihe ngbanwe ọkụ nwere ike ịgbanye, ekwekwaghị ka ejiri ihe ndị na-eme mgbanwe mee ihe.
(4) A naghị ekwe ka ebuba ndị na-agbanwe ọkụ maka obere ọkụ na mgbado ọkụ n'ime igwe ọkụ na arịa ọla.
26. Kedu ka esi amata ọdịiche dị n'etiti ịgbado ọkụ na brazing? Kedu ihe njirimara nke ọ bụla?
Azịza: Ihe e ji mara welding fusion bụ njikọ nke atọm n'etiti akụkụ ịgbado ọkụ, ebe brazing na-eji etiti etiti nwere ebe mgbaze dị ala karịa akụkụ nke ịgbado ọkụ - ihe brazing iji jikọọ akụkụ nke ịgbado ọkụ.
Uru nke welding fusion bụ na ihe eji arụ ọrụ nke nkwonkwo welded dị elu, na arụpụtaghị ihe mgbe ejikọtara oke na nnukwu akụkụ dị elu. Ihe na-adịghị mma bụ na nrụgide na nrụrụ na-emepụta dị ukwuu, na mgbanwe nhazi na-eme na mpaghara okpomọkụ na-emetụta;
Ngwá ọrụ ịgbado ọkụ Xinfa nwere njirimara dị elu na ọnụ ala dị ala. Maka nkọwa, biko gaa na:Ndị na-emepụta ịgbado ọkụ na ịkpụ - China Welding & Cutting Factory & Suppliers (xinfatools.com)
Uru nke brazing bụ obere okpomọkụ okpomọkụ, larịị, nkwonkwo dị mma, ọdịdị mara mma, obere nrụgide na nrụrụ. Ihe ọghọm nke brazing bụ ike nkwonkwo dị ala na nnukwu oghere mgbakọ chọrọ n'oge mgbakọ.
27. Carbon dioxide gas na argon gas bụ ma ikuku na-echebe. Biko kọwaa akụrụngwa na ojiji ha?
Azịza: Carbon dioxide bụ ikuku oxidizing. Mgbe ejiri ya dị ka gas na-echebe na mpaghara ịgbado ọkụ, ọ ga-eme ihe ike oxidize ụmụ irighiri mmiri na metal n'ime ọdọ mmiri a wụrụ awụ, na-eme ka mfu nke ihe alloy na-ere ọkụ. Usoro nhazi adịghị mma, a ga-emepụta pores na nnukwu splashes.
Ya mere, enwere ike iji ya naanị maka ịgbado obere carbon steel na obere alloy steel ugbu a, ọ dịkwaghị mma maka ịgbado akwa alloy steel na ọla ndị na-abụghị igwe, ọkachasị maka igwe anaghị agba nchara. Ebe ọ bụ na ọ ga-eme ka carbonization nke weld na-ebelata iguzogide intercrystalline corrosion, ọ na-eji Get obere.
Argon bụ gas inert. N'ihi na ọ naghị eji ígwè a wụrụ awụ emeghachi omume n'ụzọ kemịkal, ihe mejupụtara kemịkalụ nke weld adịghị agbanwe agbanwe. Ogo nke weld mgbe ịgbado ọkụ dị mma. Enwere ike iji ya na-agbado nchara dị iche iche, igwe anaghị agba nchara na ọla ndị na-abụghị ígwè. N'ihi na ọnụ ahịa argon na-eji nwayọọ nwayọọ na-ebelata, ya mere a na-ejikwa ya n'ọtụtụ buru ibu maka ịgbado ígwè dị nro.
28. Kọwaa weldability na ịgbado ọkụ àgwà nke 16Mn ígwè?
Azịza: 16Mn ígwè dabeere na Q235A ígwè na banyere 1% Mn kwukwara, na carbon Ẹkot bụ 0.345% ~ 0.491%. Ya mere, arụmọrụ ịgbado ọkụ ka mma.
Otú ọ dị, ọchịchọ siri ike dị ntakịrị karịa nke ígwè Q235A. Mgbe ịgbado ọkụ na obere parameters na obere weld na-agafe na a nnukwu ọkpụrụkpụ na nnukwu isiike Ọdịdị, cracks nwere ike ime, karịsịa mgbe ịgbado ọkụ n'okpuru ala okpomọkụ ọnọdụ. N'okwu a, enwere ike ịme ihe kwesịrị ekwesị tupu ịgbado ọkụ. ala preheating.
Mgbe ịgbado ọkụ aka, jiri E50 ọkwa electrodes; mgbe ịgbado ọkụ n'okpuru mmiri na-akpaghị aka anaghị achọ beveling, ị nwere ike iji waya ịgbado ọkụ H08MnA na flux 431; mgbe ị na-emeghe bevels, jiri waya ịgbado ọkụ H10Mn2 na flux 431; Mgbe ị na-eji CO2 gas mkpuchi ịgbado ọkụ, jiri waya ịgbado ọkụ H08Mn2SiA Ma ọ bụ H10MnSi.
Oge nzipu: Nov-06-2023
