Ðe nèdo go nusiwo gblẽ le welding ŋu abe tsidzadza gãwo le welding me, weld ƒe wɔwɔme si medzea ame ŋu o, kple ʋuʋudedi gbogbo aɖewo le welding megbe ene kpɔa?Ne ègale eŋu bum nenye be kuxi si le laser welding process parameter settings gbɔe wòtso la, ɖe nènya be welding shielding gas zazã nyuie hã nye nu vevi aɖe si kpɔa ŋusẽ ɖe weld ƒe wɔwɔme kple dɔwɔwɔ dzia.Tiatia nyuitɔ kekeake welding ametakpɔnu gas ŋutɔŋutɔ nyoa welding nyonyome kple Mɔ nyuitɔ.
Esi wònye be welding shielding gas le vevie ŋutɔ ta la, ekema: Akpa kae nye shielding gas wɔna?Aleke woatia gas ƒomevi si woatsɔ akpɔ ame ta?Aleke wòle be woaƒo ya si kpɔa ame ta la ɖe eme ne wole ga ƒom?Eyome, Hangao Tech (SEKO Machinery) akplɔ amesiame be wòasrɔ̃ nu geɖe.
Akpa si gas si kpɔa ame ta wɔna
Le laser welding, shielding gas akpɔ ŋusẽ ɖe weld wɔwɔ, weld ƒe nyonyome, weld gege ɖe goglome kple gege ɖe kekeme.Zi geɖe la, gas si kpɔa ame ta la ƒoƒo akpɔ ŋusẽ nyui ɖe weld la dzi, gake ate ŋu agblẽ nu le eŋu hã.Va ŋusẽkpɔɖeamedzi manyomanyo.
Nu nyui siwo dona tso eme
1) Ga si kpɔa ame ta ƒe yaƒoƒo nyuie akpɔ weld-ta la ta nyuie be wòaɖe oxidation dzi akpɔtɔ alo aƒo asa nɛ gɔ̃ hã;
2) Ga si xea mɔ na ame ƒe yaƒoƒo nyuie ate ŋu aɖe tsi si le tsia me si dona le welding ƒe ɖoɖoa me dzi akpɔtɔ nyuie;
3) Ga si wotsɔ kpɔa ame ta ƒe yaƒoƒo nyuie ate ŋu ado weld-ta la ƒe kaka ɖekae ɖe ŋgɔ le solidification me, ale be weld la nawɔ ɖeka eye wòanya kpɔ;
4) Ga si xea mɔ na ame ƒe yaƒoƒo nyuie ate ŋu aɖe ga ƒe yaƒoƒo ƒe ʋuʋudedi alo plasma alilikpo ƒe ametakpɔnu ƒe ŋusẽkpɔɖeamedzi ɖe laser la dzi akpɔtɔ nyuie, eye wòana laser la zazã nyuie ƒe agbɔsɔsɔme nadzi ɖe edzi;
5) Ga si wotsɔ kpɔa ame ta ƒe yaƒoƒo nyuie ate ŋu aɖe welding seam porosity dzi akpɔtɔ nyuie.
Zi alesi wotia gas ƒomevi, gas ƒe sisi ƒe agbɔsɔsɔme, kple yaƒoƒo ƒe mɔnu nyuie ko la, woate ŋu akpɔ ŋusẽ si wodi.
Gake gas si wotsɔ kpɔa ame ta zazã madzemadzee hã akpɔ ŋusẽ gbegblẽ ɖe welding dzi
1) Ga si wotsɔ kpɔa ame ta ƒe yaƒoƒo si mesɔ o ate ŋu ana weld la nagblẽ:
1Gas ƒomevi si mesɔ o tiatia ate ŋu ana gbagbã le weld la me, eye ate ŋu ana mɔ̃a ƒe mɔ̃ɖaŋununya ƒe nɔnɔmewo hã dzi naɖe akpɔtɔ;
2Gas ƒe sisi ƒe agbɔsɔsɔ si mesɔ o tiatia ate ŋu ana oxidation si nu sẽ wu le weld la me (eɖanye sisi lolo akpa alo le sue akpa o), eye ate ŋu ana hã be gotagome ŋusẽwo nado kplamatse weld pool ga la vevie eye wòana weld la namu alo awɔ le mɔ si mesɔ o nu;
3Gas ƒoƒo ƒe mɔnu si mesɔ o tiatia ana welding seam la nado kpo ametakpɔkpɔ ƒe ŋusẽkpɔɖeamedzia gbɔ ɖoɖo alo gɔ̃ hã koŋ takpɔkpɔ ƒe ŋusẽkpɔɖeamedzi aɖeke manɔ anyi o alo akpɔ ŋusẽ gbegblẽ ɖe welding seam ƒe wɔwɔme dzi;
2) Yaƒoƒo le ametakpɔnu gas akpɔ ŋusẽ aɖe ɖe weld ƒe gege ɖe eme dzi, vevietɔ ne welding tsɛ gbadzɛwo, aɖe weld ƒe gege ɖe eme dzi akpɔtɔ.
Gas si kpɔa ame ta ƒe ƒomeviwo
Ga siwo wozãna zi geɖe tsɔ kpɔa ame ta na laser-welding koŋue nye N2, Ar, He, eye woƒe dzɔdzɔme kple atike ƒe nɔnɔmewo to vovo, eye le esia ta woƒe ŋusẽkpɔɖeamedzi ɖe weld dzi hã to vovo.
Nitrogen N2 ƒe dɔwɔwɔ
Ga si woxena ɖe etae nye esi bɔbɔ wu, gake mesɔ na gakpo aɖewo siwo mexɔ dzo o ƒe gaƒoƒo o.N2 ƒe ionization ŋusẽ le titina, ekɔ wu Ar tɔ eye wòbɔbɔ wu He tɔ.Le laser ƒe dɔwɔwɔ te la, ionization ƒe dzidzenu nye mamã dedie, si ate ŋu aɖe plasma alilikpo ƒe wɔwɔme dzi akpɔtɔ eye wòana laser zazã nyuie ƒe agbɔsɔsɔme nadzi ɖe edzi.Nitrogen ate ŋu awɔ dɔ kple aluminum-ga kple carbon steel le dzoxɔxɔ aɖe me atsɔ awɔ nitrides, si ana ga si wotsɔ ƒoa gae la nagbã, aɖe eƒe sesẽ dzi akpɔtɔ, eye wòakpɔ ŋusẽ gbegblẽ ɖe ga si wotsɔ ƒoa gae ƒe mɔ̃ɖaŋununya dzi geɖe wu.Eyata womeɖo aɖaŋu be woazã nitrogen o.Wokpɔa aluminum-ga kple carbon gakpo siwo wotsɔ ƒoa gae ta.
Nitride si dona tso atikewo ƒe dɔwɔwɔ me le nitrogen kple gakpo si mexɔ dzo o dome ate ŋu ana ga si wotsɔ ƒoa gae ƒe ŋusẽ nadzi ɖe edzi, si akpe ɖe ga si wotsɔ ƒoa gae ƒe mɔ̃ɖaŋununya ŋu wòanyo ɖe edzi.Eyata woate ŋu azã nitrogen abe ametakpɔnu ene ne wole gakpo si mexɔ dzo o ƒom.
Argon Ar, si nye Argon
Ga homea bɔbɔ wu, eƒe kpekpeme lolo wu, eye ametakpɔkpɔ ƒe ŋusẽkpɔɖeamedzia nyo wu.Weldment la ƒe anyime le gbadzaa wu helium gas, gake eƒe dzoxɔxɔ gã me ga ƒe plasma ionization te ŋu dzɔna bɔbɔe.Woxe mɔ ɖe enu vevie.Ar ƒe ionization ŋusẽ le sue ŋutɔ, eye ionization ƒe sesẽme le kɔkɔm le laser ƒe dɔwɔwɔ te, si menyo na plasma alilikpo ƒe wɔwɔme dzi ɖuɖu o, eye akpɔ ŋusẽ aɖe ɖe laser zazã nyuie dzi.Gake Ar ƒe dɔwɔwɔ le sue ŋutɔ eye esesẽna be woawɔ dɔ kple ga siwo bɔ le atikewo me.Ar ƒe asi melolo o.Tsɔ kpe ɖe eŋu la, Ar ƒe kpekpeme lolo wu, si ɖea vi be wòanyrɔ ɖe weld-ta la tame, eye ate ŋu akpɔ weld-ta la ta nyuie wu, eyata woate ŋu azãe abe ametakpɔnu si wozãna ɖaa ene.
Helium Helium si nye Helium
Ga homea xɔ asi wu, gake ŋusẽkpɔɖeamedziae nye nyuitɔ kekeake, ale be laser la nate ŋu ato eme tẽ eye wòaɖo dɔwɔnua ƒe anyime evɔ womaxe mɔ nɛ o.He ƒe ionization ŋusẽe nye esi kɔkɔ wu, eye ionization ƒe dzidzenu le sue ŋutɔ le laser ƒe dɔwɔwɔ te, si ate ŋu akpɔ plasma alilikpo ƒe wɔwɔme dzi nyuie.Laser la ate ŋu awɔ dɔ ɖe ga dzi nyuie ŋutɔ, eye Eƒe dɔwɔwɔ le sue ŋutɔ, eye le nyateƒe me la, mewɔa dɔ kple ga le atikewo me o.Enye gas nyui aɖe si kpɔa ame ta na xɔtunu siwo wotsɔa ga ƒoa nui, gake He ƒe gazazãwo lolo akpa.Zi geɖe la, nusiwo wowɔna le agbɔsɔsɔ gã me mazã gas sia o.Zi geɖe la, wozãnɛ tsɔ wɔa dzɔdzɔmeŋutinunya me numekuku alo nusiwo ŋu asixɔxɔ si wotsɔ kpe ɖe eŋu si lolo ŋutɔ.
Hangao Tech (SEKO Machinery) ƒe nuteƒekpɔkpɔ wu ƒe 20 le... gakpo si mexɔ dzo o dɔwɔƒewo ƒe pɔmpi wɔwɔ fli tube wɔwɔ mɔ̃wo wɔwɔ dɔwɔƒe.Numekuku kple Dɔwɔnawo ƒe ƒuƒoƒo tsitsi kple nuwo ƒoƒo ƒu ƒe mɔ̃ɖaŋudɔwɔlawo awɔ vodadawo ɖeɖeɖa kple kpeɖodzinana enuenu le nuwɔwɔ ƒe mɔnu ɖesiaɖe dzi hafi aɖoe ɖe wo, ale be dɔwɔnuawo nasɔ gbɔ wu.Seɖoƒe na dɔwɔwɔ nyuie eye nàɖe alesi wòsesẽna be woaɖoe ɖe eme emegbe ahaɖe vodadawo ɖa na asisiwo.
