Nɔnɔme vevitɔwo dometɔ ɖeka be wòazu gakpo si mexɔ dzo o ƒe dɔwɔƒe nyui aɖe si wotsɔ ga wɔe si wotsɔ ga wɔe ƒe pɔmpie nye be weld ƒe nyonyome de ŋgɔ wu. Elabena alesi weld la ƒe nyonyome afiae nenye be welded pipe ate ŋu anɔ te ɖe dodokpɔ si wowɔ le dɔwɔwɔ vɔ megbe ŋu. Nusiwo bɔ ɖe dɔa megbe dometɔ aɖewoe nye: flattening, diameter dzi ɖeɖe kpɔtɔ, punching kple bending, etc. Ne weld ƒe nyonyome mesẽ o la, ahe nu kakɛ geɖe vɛ, eye ga si woaxe la adzi ɖe edzi ŋutɔ.
automatic stainless steel pipe production lines va xɔ ŋkɔ ŋutɔ le egbegbe nuwɔwɔ ƒe dɔwɔƒewo. Asiléle ɖe nu ŋu mate ŋu aka ɖe edzi be tsi alo do aɖeke manɔ anyi le gaƒoƒo 24 ƒe ŋkuléle ɖe nu ŋu me o. Eyata asisi aɖewo ƒo nu tso nudzɔdzɔ sia ŋu do ŋgɔ. abe ŋkuléle ɖe nu ŋu si xea mɔ na ame ene, . Hangao Tech (Seko mɔ̃wo) aɖo aɖaŋu be woade dɔwɔnu aɖe si woɖo ɖi be woalé ŋku ɖe weld ƒe nyonyome ŋu. Ne dɔwɔnua ƒe ŋkuléleɖenuŋua kpɔ nusiwo gblẽ le weld la ŋu la, gbeɖiɖimɔ̃a aƒo ɣli atsɔ aɖo ŋku edzi na dɔwɔlawo be woawɔ dɔ alo ade dzesii.
Dodokpɔmɔnu siwo bɔ siwo megblẽa nu le wo ŋu o na weldwo dometɔ aɖewoe nye:
(1) Mɔ̃ si wotsɔ léa ŋku ɖe nu ŋu le radio dzi (RT) .
Fifia la, mɔnu si wozãna le radiographic flaw detection method si wozãna le afisiafie nye be woazã rays siwo gena ɖe eme tso (x, γ) ray sources me atsɔ age ɖe weld la me atsɔ ana film la nase veve, eye woaɖe nɔnɔme madeamedzi si le weld la me afia le radiographic negative si ŋu wotrɔ asi le la dzi. Wozãnɛ koŋ tsɔ dia nɔnɔme madeamedziwo abe ʋuʋudediwo, slag inclusions, gbagbãƒewo kple weld la ƒe gege ɖe eme si mede blibo o.
(2) Ultrasonic Flaw Detection (UT) .
Wozãa piezoelectric transducers, eye wotsɔa elektrikŋusẽ ƒe dzodzo enumake wɔa pulse vibration, eye wowɔa ultrasonic waves le ga me to acoustic coupling medium dzi. Ne ultrasonic waves do go defects le kaka me la, woaɖe wo afia eye woatrɔ wo ayi transducer la me, eye emegbe woate ŋu atrɔ gbeɖiɖi pulses la woazu elektrik teƒe si wowɔa dɔ le kple woƒe sesẽme le dɔwɔwɔ ƒe akpaa me to dzesi ƒe amplitude kple kaka ɣeyiɣi dzidzedze me. Ultrasonic ƒe seselelãme lolo wu radiographic vodadawo didi, ebɔbɔ eye wòsɔ, eƒe ɣeyiɣi kpui aɖe koe, eƒe asi bɔbɔ, ewɔa dɔ nyuie ŋutɔ, eye megblẽa nu le amegbetɔ ƒe ŋutilã ŋu o. Gake nusiwo gblẽ le eŋu hã li. Le kpɔɖeŋu me, nusiwo gblẽ ƒe ɖeɖefia menye nusi woate ŋu akpɔ bɔbɔe o, eye weld ƒe gbɔdzɔgbɔdzɔ ƒe ʋɔnudɔdrɔ̃ mede pɛpɛpɛ o, si ŋu nuteƒekpɔkpɔ kple mɔ̃ɖaŋununya ƒe aɖaŋudzedze si le ŋkuléleɖenuŋudɔwɔlawo si la kpɔ ŋusẽ gã aɖeke ɖe edzi o.
(3) Gblẽƒe ƒe dzesi si gena ɖe ame me (PT) .
Ne wotsɔ atike si gena ɖe lãme na ame si me amadede alo fluorescent powder le la ƒu gbe alo wofae ɖe weld la ƒe anyime be woalé ŋku ɖe eŋu la, wozãa tsi la ƒe ʋuka me dɔwɔwɔ tsɔ naa nusi gena ɖe eme si gena ɖe anyigba ƒe ʋuʋu ƒe nɔnɔme madeamedzi si woxɔ ɖe weld la ƒe anyime, ale be woalé ŋku ɖe nusiwo gblẽ ƒe ɖeɖefia ƒe dzesiwo ŋu. Wozãa tsi si gena ɖe lãme na ame koŋ hena: ŋkuléle ɖe groove ƒe anyigba ŋu, gouging surface le carbon arc gouging megbe alo le weld ƒe nɔnɔme si woɖe ɖa megbe la, dɔwɔnua ɖea anyigba la ɖa kple anyigba ƒe ʋuʋu ƒe nɔnɔme si le magnetic particle inspection part la me.
(4) Magnetic Glaw Detection (MT) .
Mɔnu aɖe si dzi woato aŋlɔ nusiwo gblẽ le wo ŋu kple wo ɖeɖefia to magnetic powder, magnetic tape alo magnetic field dzidzedzemɔnu bubuwo zazã me be wòana keklẽ ƒe agbɔsɔsɔme natrɔ to magnet-nu siwo le anyigba dzi kple esiwo te ɖe wo ŋu zazã me, eye magnet-ŋusẽ si le dodom la dzɔna le eƒe gowo dzi le magnetization me. Wozãa magnetic vodadawo koŋ hena: ŋkuléle ɖe anyigba kple anyigba si te ɖe eŋu ƒe gbagbãƒewo ŋu. Ne wotsɔe sɔ kple mɔnu si nye be woate ŋu ade dzesi ame ƒe gege ɖe eme la, menye ɖeko mɔnu sia ƒe seselelãme kple duƒuƒu sesẽ koe le eŋu ko o, ke ate ŋu ade dzesi nusiwo gblẽ le gogloƒe aɖe hã.
(5) Mɔnu bubu siwo wozãna tsɔ dea dzesi nu .
Mɔnu bubu siwo wotsɔ dea dzesi nue nye: gaŋutinunya me numekuku le dɔwɔnu gãwo ŋu, ferrite ƒe emenyawo me dzodzro; spectral analysis; dodokpɔ si woate ŋu atsɔ adzoe; Acoustic emission test, kple bubuawo.
