Ðe nèdo go welding defect aɖewo abe splashes gãwo le welding, weld wɔwɔ si medzea ame ŋu o, kple ʋuʋudedi gbogbo aɖewo le welding megbea? Ne ègale ŋugble dem le eŋu nenye be etso kuxi si nye laser welding process parameter settings gbɔ la, ènya be welding shiolding gas zazã nyuie hã nye nu vevi aɖe si kpɔa ŋusẽ ɖe weld wɔwɔ kple dɔwɔwɔ dzia. Ne ètia gas nyuitɔ kekeake si woatsɔ akpɔ welding ta la, enaa welding ƒe nyonyome kple mɔ nyuitɔ dzi nyona ɖe edzi ŋutɔŋutɔ.
Esi wònye be gas si nye shielding welding le vevie ŋutɔ ta la, ekema: Nukae nye gas si kpɔa ame ta ƒe akpa? Aleke woawɔ atia gas si woatsɔ akpɔ ame ta lae? Aleke wòle be woatsɔ ya aƒo gas si nye ametakpɔnu la le welding me? Eyome, Hangao Tech (Seko mɔ̃wo) ana amesiame nasrɔ̃ nu geɖe.
Akpa si gas si kpɔa ame ta wɔna .
Le laser welding me la, shielding gas akpɔ ŋusẽ ɖe weld wɔwɔ, weld ƒe nyonyome, weld ƒe gege ɖe eme ƒe goglome kple gege ɖe eme ƒe kekeme dzi. Zi geɖe la, gas si wotsɔna kpɔa ame ta la ƒoƒo akpɔ ŋusẽ nyui ɖe weld la dzi, gake ate ŋu agblẽ nu le eŋu hã. Va kpɔ ŋusẽ gbegblẽ ɖe ame dzi.
Nusiwo wògblẽna le ame ŋu nyuie .
1) gas si wotsɔna kpɔa ame ta ƒe ʋuʋu nyuie akpɔ weld-ta la ta nyuie be wòaɖe oxidation dzi akpɔtɔ alo aƒo asa nɛ gɔ̃ hã;
2) akpoxɔnu gas ƒoƒo nyuie ate ŋu aɖe spatter si dona le welding ƒe ɖoɖoa me dzi akpɔtɔ nyuie;
3) akpoxɔnu gas ƒe ƒoƒo nyuie ate ŋu ado weld-ta la ƒe kaka ɖekae ɖe ŋgɔ le eƒe sesẽ me, ale be woawɔ weld la ɖekae eye wòadze ani;
4) Gas si wotsɔna kpɔa ame ta ƒe ʋuʋu nyuie ate ŋu aɖe ga ƒe dzoxɔxɔ alo plasma alilikpo ƒe akpoxɔnu ƒe ŋusẽkpɔɖeamedzi dzi akpɔtɔ nyuie le laser la dzi, eye wòadzi laser la zazã nyuie ƒe agbɔsɔsɔ ɖe edzi;
5) Akpoxɔnu gas ƒoƒo nyuie ate ŋu aɖe welding seam porosity dzi akpɔtɔ nyuie.
Zi alesi woti gas ƒomevi, gas ƒe sisi ƒe agbɔsɔsɔ, kple yaƒoƒo ƒe mɔnu nyuie ko la, woate ŋu akpɔ ŋusẽ si wodi.
Gake akpoxɔnu gas zazã nyuie hã akpɔ ŋusẽ gbegblẽ ɖe welding dzi .
1) Gas si wotsɔ kpɔa ame ta ƒe ʋuʋu si mesɔ o ate ŋu ana weld la nagblẽ:
1 Gas si mesɔ o tiatia ate ŋu ana weld la nagbã, eye ate ŋu ana mɔ̃ɖaŋununya ƒe nɔnɔme siwo le weld la hã dzi naɖe akpɔtɔ;
2 Gas ƒe sisi ƒe sisi ƒe agbɔsɔsɔ si mesɔ o tiatia ate ŋu ana weld la ƒe oxidation nu sẽ wu (eɖanye esi sina la 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 nagbã alo wòawɔe wòasɔ o;
2 Ne míetia gas ƒoƒo ƒe mɔnu si mesɔ o la, ana be welding seam la nado kpo ametakpɔkpɔ ƒe ŋusẽkpɔɖeamedzi alo le gɔmedzedzea me gɔ̃ hã la, ametakpɔkpɔ ƒe ŋusẽkpɔɖeamedzi aɖeke alo akpɔ ŋusẽ gbegblẽ ɖe welding seam formation dzi o;
2) Yaƒoƒo le akpoxɔnu gas akpɔ ŋusẽ aɖe ɖe weld ƒe gege ɖe eme dzi, vevietɔ ne wole welding thin plates, aɖe weld ƒe gege ɖe eme dzi akpɔtɔ.
Gas si kpɔa ame ta ƒe ƒomeviwo .
Ametakpɔnu ya siwo wozãna zi geɖe na laser welding vevietɔ dometɔ aɖewoe nye N2, AR, HE, eye woƒe dzɔdzɔmeŋusẽ kple atike ƒe nɔnɔmewo to vovo, eye eyata woƒe ŋusẽkpɔɖeamedzi ɖe weld la hã to vovo.
Nitrogen N2 ƒe 10.
Ga homeae nye esi ƒe asi bɔbɔ wu, gake mesɔ na gakpo siwo mexɔ dzo o ƒe ƒoƒo o. N2 ƒe ionization ŋusẽ le titina, ekɔ wu AR tɔ eye wòbɔbɔ wu HE tɔ. Le laser ƒe dɔwɔwɔ te la, ionization degree nye mamã dedie, si ate ŋu aɖe plasma alilikpo ƒe wɔwɔ dzi akpɔtɔ eye wòadzi laser zazã nyuie ƒe agbɔsɔsɔ ɖe edzi. Nitrogen ate ŋu awɔ atike kple aluminum alloy kple carbon steel le dzoxɔxɔ aɖe me be woawɔ nitrides, si ana weld ƒe brittleness nadzi ɖe edzi, aɖe sesẽme dzi akpɔtɔ, eye wòakpɔ ŋusẽ gbegblẽ ɖe weld ƒe ƒuƒoƒoa ƒe mɔ̃ɖaŋununya dzi wu. Eyata womeɖo aɖaŋu be woazã nitrogen o. Wokpɔa aluminum alloy kple carbon steel welds ta.
Nitride si nitrogen kple gakpo si mexɔ dzo o ƒe dɔwɔwɔ le lãmenugbagbeviwo ƒe dɔwɔwɔ me wɔna ate ŋu ana weld ƒe ƒuƒoƒoa ƒe ŋusẽ nadzi ɖe edzi, si akpe ɖe weld la ƒe mɔ̃ɖaŋununya ŋu wòanyo ɖe edzi. Eyata woate ŋu azã nitrogen abe gas si woatsɔ akpɔ ame ta ene ne wole gakpo si mexɔ dzo o la ƒom.
Argon AR .
Ga homea le bɔbɔe wu, eƒe kpekpeme le kɔkɔm wu, eye ametakpɔkpɔ ƒe ŋusẽkpɔɖeamedzia nyo wu. Weldment la ƒe anyime le blɔ wu helium gas, gake ete ŋu xɔa ga plasma ionization si me dzoxɔxɔ le ŋutɔ. Mɔxexe ɖe enu vevie. AR ƒe ŋusẽ si le AR me la le sue ŋutɔ, eye ionization degree la le kɔkɔm le laser ƒe dɔwɔwɔ te, si menyo na plasma alilikpo ƒe wɔwɔme dzi ɖuɖu o, eye wòakpɔ ŋusẽ aɖe ɖe laser zazã nyuie dzi. Gake AR ƒe dɔwɔwɔ le sue ŋutɔ eye esesẽna be woawɔ dɔ kple ga siwo bɔ. AR ƒe asi mede ŋgɔ o. Tsɔ kpe ɖe eŋu la, AR ƒe kpekpeme lolo wu, si ɖea vi be woanyrɔ ɖe weld-ta la tame, eye ate ŋu akpɔ weld-ta la ta nyuie wu, ale be woate ŋu azãe abe akpoxɔnu si wozãna ɖaa ene.
helium he .
Ga homea xɔ asi wu, gake ŋusẽkpɔɖeamedziae nye nyuitɔ kekeake, ale be laser la nate ŋu ato tẽ eye wòaɖo dɔwɔnua ƒe anyime evɔ womaxe mɔ nɛ o. Ionization energy of he is the highest, eye ionization degree la le sue ŋutɔ le laser ƒe dɔwɔwɔ te, si ate ŋu akpɔ ŋusẽ nyuie ɖe plasma alilikpo wɔwɔ dzi. Laser la ate ŋu awɔ dɔ ɖe ga dzi nyuie ŋutɔ, eye eƒe dɔwɔwɔ le sue ŋutɔ, eye le gɔmedzedzea me la, mewɔa dɔ kple ga le atikewo me o. Enye gas nyui aɖe si woatsɔ akpɔ nu le mɔ̃wo nu, gake ga si woatsɔ awɔ eƒe gae la sɔ gbɔ akpa. Zi geɖe la, nu gbogbo siwo wowɔna la mazã gas sia o. Zi geɖe la, wozãnɛ na dzɔdzɔmeŋutinunya me numekuku alo nusiwo wowɔ siwo ƒe asixɔxɔ kpe ɖe eŋu ŋutɔ.
Hangao Tech (Seko Mɔ̃wo) ƒe nuteƒekpɔkpɔ wu ƒe 20 le . Stainless gakpo dɔwɔƒe pɔmpi wɔwɔ line tube wɔwɔ mɔ̃wo wɔwɔ dɔwɔƒe. Numekuku kple Dɔwɔnawo ƒe Ƒuƒoƒo kple Takpekpea ƒe mɔ̃ɖaŋudɔwɔla siwo tsi la awɔ debugging blibo kple kpeɖodzi enuenu le ewɔwɔ ƒe fli ɖesiaɖe dzi hafi woaɖoe ɖe amewo, ale be woadzi dɔwɔnuawo ɖe edzi. Ðo seɖoƒe na dɔwɔwɔ nyuie eye nàɖe alesi wòsesẽna be woaɖo wo emegbe kple esiwo woatsɔ awɔ vodadae dzi akpɔtɔ na asisiwo.
