Le welding machine process , nusi wowɔ to welding dzoxɔxɔ ƒe dɔwɔwɔ, gaŋutinunya ƒe dɔwɔwɔ, welding stress kple deformation, si hea tɔtrɔwo le atikewo ƒe wɔwɔme, metallographic structure, lolome kple nɔnɔme, ale be weld la ƒe dɔwɔwɔ to vovo zi geɖe tso gɔme ga, ɣeaɖewoɣi gɔ̃ hã mate ŋu aɖo nudidi siwo le zazã me gbɔ o. Le ga geɖe siwo le dɔ wɔm alo ga siwo mexɔa dzo o gome la, ele be woazã welding mɔnu tɔxɛwo, abe electron beam welding alo laser welding ene, atsɔ akpɔ weld siwo le ɖoɖo nyui nu. Zi alesi dɔwɔnu ʋɛ aɖewo koe hiã eye nuawo sesẽ be woawɔ weld nyui la, zi nenemae nusi wotsɔ wɔe la ƒe weldability nyo wu; Kura o, alesi wòhiã be woawɔ welding mɔnu siwo sesẽ eye woxɔ asi, welding nu tɔxɛwo kple process measures, efia be nu sia si nye weldability la mede ame dzi o.
Ne míezã . Automatic welding tracking system Be woawɔ nusiwo wowɔ la, ele be míada alesi woate ŋu awɔ nusiwo wozã tsɔ nya nenye be xɔtunu siwo wotia, nusiwo wotsɔ wɔa xɔtunuwoe, kple welding mɔnuwo sɔ hã la kpɔ. Mɔnu geɖewo li siwo dzi woato ada nusiwo wotsɔ wɔa dɔe ƒe ʋuʋu kpɔ, eye mɔnu ɖesiaɖe ate ŋu aɖe alesi woate ŋu awɔ weldability ƒe akpa aɖe ko me. Eyata ehiã be woawɔ dodokpɔwo atsɔ anya alesi woate ŋu awɔ dɔe bliboe. Woate ŋu ama dodokpɔmɔnua ɖe wɔwɔfia ƒomevi kple dodokpɔ ƒomevi me. Tsãtɔa srɔ̃a dzoxɔxɔ ƒe dzoxɔxɔ kple fafa ƒe nɔnɔmewo; Wodoa mamlɛtɔa kpɔna le nɔnɔme ŋutɔŋutɔ siwo me wowɔa nu le nu. Dodokpɔa me nyawo koŋue nye be woade dzesi atikewo ƒe wɔwɔme, metallographic structure, mɔ̃ɖaŋununya ƒe nɔnɔmewo, welding defects siwo le base metal kple weld metal me ƒe anyinɔnɔ alo woƒe anyimanɔmanɔ, eye woakpɔ dzoxɔxɔ sue ƒe dɔwɔwɔ, dzoxɔxɔ gã ƒe dɔwɔwɔ, corrosion resistance kple crack resistance of the welded joint.
1. Indirect Assessment Method of Process Weldability .
Esi wònye be carbon ƒe ŋusẽkpɔɖeamedzi dze ƒã wu ta la, woate ŋu atrɔ nu bubuwo ƒe ŋusẽkpɔɖeamedzi wòazu carbon ƒe ŋusẽkpɔɖeamedzi, eyata wozãa carbon si sɔ kple wo nɔewo tsɔ daa alesi woate ŋu awɔ weldability nyuitɔ kekeake la kpɔ.
Carbon ƒe akɔntabubu ƒe nɔnɔmetata si nye carbon steel kple low-alloy structural steel:
Ne CE<0.4%, gakpoa ƒe plasticity nyo la, sesẽ ƒe nɔnɔmea medzena gaglãa o, eye weldability la nyo. Le mɔ̃ɖaŋununya ƒe nɔnɔme siwo katã le welding me la, welded joints magbã o, gake na akpa siwo le ʋeʋẽm kple esiwo lolo alo welding le dzoxɔxɔ si bɔbɔ me la, ele be woabu dzoxɔxɔ si wodona do ŋgɔ ŋu;
Ne CE nye 0.4 va ɖo 0.6% la, gakpoa ƒe plasticity dzi ɖena kpɔtɔna, sesẽ ƒe nɔnɔmea dzina ɖe edzi vivivi, eye weldability la menyo o. Ele be woado dzo na dɔwɔnua nyuie hafi woatsɔe aƒoe, eye woafae vivivi le eƒoƒo vɔ megbe be wòagagbã o;
Ne CE> 0.6% la, gakpoa ƒe plasticity va gblẽna ɖe edzi. Nɔnɔme si sesẽna kple vuvɔ ƒe ʋuʋu ƒe nɔnɔmea lolo, eye weldability la vɔ̃ɖi wu. Ele be woado dzo na dɔwɔnua do ŋgɔ va ɖo dzoxɔxɔ si kɔkɔ wu, mɔ̃ɖaŋununya ƒe afɔɖeɖewo dzi be woatsɔ aɖe welding stress dzi akpɔtɔ eye woaxe mɔ ɖe gbagbã nu, eye ele be woawɔ dzoxɔxɔdɔ nyuie le welding megbe.
Zi alesi akɔntabubu ƒe emetsonua sɔ kple carbon si sɔ kple carbon la, zi nenemae gakpo si wotsɔ ga ƒo ƒui ƒe nɔnɔme sesẽnae, eye teƒe si dzoxɔxɔ le la te ŋu gbãna bɔbɔe. Eyata ne CE >0.5% la, gakpoa le bɔbɔe be woasẽ, eye ele be woado dzo na welding la do ŋgɔ be wòaxe mɔ ɖe gbagbãƒewo nu , ne agbaa ƒe titrime kple CE le dzidzim ɖe edzi la, ele be dzoxɔxɔ si do ŋgɔ na dzoxɔxɔ hã nadzi ɖe edzi ɖe edzi.
2. Direct evaluation method of process weldability .
Le welding crack test method me la, woate ŋu ama gbagbã siwo wowɔ le welded joint la me ɖe dzoxɔxɔ ƒe gbagbãƒewo, fafa ƒe gbagbãƒewo, reheat cracks, stress corrosion, laminar tears, etc.
(1) T-joint welding crack dodokpɔ mɔnu. Mɔnu sia koŋue wozãna tsɔ bua dzoxɔxɔ si nye carbon steel kple low alloy steel fillet welds ƒe ŋutete ŋu. Woate ŋu azãe hã atsɔ anya ŋusẽ si welding rods kple welding parameters kpɔna ɖe hot crack susceptibility dzi.
(2) nyaƒoɖeamenu plate butt welding crack dodokpɔ mɔnu. Mɔnu sia koŋue wozãna tsɔ bua dzoxɔxɔ si nye carbon steel, low alloy steel, austenitic stainless steel electrodes kple welds ƒe gbagbãƒe ƒe ʋeʋẽ lilili ŋu. To dodokpɔ ƒe akpaa dede Fisco dodokpɔmɔ̃a me mee, asitɔtrɔ le groove ƒe vovototo ƒe lolome ŋu kpɔa ŋusẽ gã aɖe ɖe ʋuʋudedi ƒe dzidzime dzi. Ne dometsotsoa dzi ɖe edzi la, zi nenemae gbagbãƒea ƒe seselelãmewo lolonae.
(3) rigid butt ƒunukpeƒe ƒe gbagbã dodokpɔ mɔnu. Mɔnu sia koŋue wozãna tsɔ dzidzea ʋuʋudedi dzodzoewo kple gbagbãƒe fafɛ siwo le weld zone me. Ate ŋu adzidze ʋuʋudedi fafɛ siwo le teƒe si dzoxɔxɔ le hã. Le ete gbadzɛ la, wozãa dodokpɔ ƒe weld la ɖe xɔtutu ƒe welding parameter ŋutɔŋutɔwo nu le dodokpɔa me. Wozãnɛ koŋ na electrode arc welding. Ne wotsɔ ga ƒo dodokpɔa ƒe akpaa vɔ la, wotsɔae dana ɖe xɔme ƒe dzoxɔxɔ nu gaƒoƒo 24 sɔŋ. Le gbagbãƒewo gome la, zi geɖe la, wodaa gbagbãƒewo kple esiwo menye gbagbãƒewo o kpɔna, eye wotsɔa ga ƒoa dodokpɔ ƒe akpa eve ɖe nɔnɔme ɖesiaɖe me.
Ne èdi nyabiase bubuwo ku ɖe ga siwo wotsɔ wɔa nu ŋu ƒe welding alo dzoxɔxɔ ŋudɔwɔwɔ le . Laser welding pɔmpi wɔwɔ line , vevietɔ nyabiasewo ku ɖe gakpo si mexɔ dzo o welded pɔmpiwo, taflatse ƒo ka . Hangao Tech (Seko Mɔ̃wo) hena aɖaŋuɖoɖo xɔxɔ. Ƒe 20 kple edzivɔ ƒe nuteƒekpɔkpɔ le mía si le ƒe 2000 me. dɔwɔƒewo gakpo si mexɔ dzo o welded pɔmpi wɔwɔ dɔwɔnuwo welding tube wɔwɔ line . Le ŋgɔyiyi kple ƒoƒo ɖekae geɖe megbe la, míaƒe nuwɔwɔ ƒe mɔ̃ koe nye dɔwɔnu ɖeka kolia si le China si ate ŋu awu dɔwɔwɔwo katã nu le Internet dzi, siwo dometɔ aɖewoe nye: welding, inner weld leveling, online bright solid solution, polishing, etc. Míana egbɔkpɔnu si me kɔ eye kakaɖedzi le eŋu la wò!
