Le ŋgɔyiyi kabakaba ƒe nɔnɔme si nye deŋgɔ strip continuous rolling wɔwɔ kple ŋgɔyiyi le elektrik welding kple dodokpɔ mɔ̃ɖaŋununya, ŋgɔyiyi atraɖii ŋgɔyiyi le welding nyonyome, ƒomeviwo 316L stainless steel welded pɔmpiwo hã le dzidzim ɖe edzi, eye wòɖɔli gakpo si mexɔ dzo o le dɔwɔƒe geɖe. Tsɔ mɔ̃a lɔ̃e. Le pɔmpi siwo wotsɔ ga ƒo ƒui wɔwɔ ƒe ɖoɖoa me la, woate ŋu agblɔ be weld ƒe ŋusẽdodoa nye kuxi vevi aɖe ŋutɔ.
Excessive weld seam height of 316L stainless steel industrial welded pipe ƒe afɔku ɣaɣla geɖewo le eme, abe alesi gbɔna ene:
(1) Nuteɖeamedzi ƒe xɔxlɔ̃ ƒe gbagbãƒewo dzɔna bɔbɔe le weld toe .
Nu vevitɔ si naa akɔta ƒe ƒuƒoƒoa ƒe nuteɖeamedzia nyea nusi wotsɔ ƒoa nui ƒe kɔkɔme, eye nuteɖeamedzi si le teƒea le akɔtaƒua ƒe afɔbidɛ ƒe afɔbidɛa dzi la lolo ŋutɔ.
Nuteɖeamedzi ƒe dzesi ƒe didimewoe nye weld ƒe kɔkɔme H, dzogoe si le tsatsam θ le weld ƒe afɔbidɛ kple dzogoe ƒe semi-warp r. Welding ƒe kɔkɔme ƒe dzidziɖedzi H dzia dzogoe θ ɖe edzi, eye asixɔxɔa ƒe ɖiɖi ana nuteɖeamedzi ƒe dzesi nadzi ɖe edzi.
Zi alesi weld la ƒe ŋusẽdodo loloe la, zi nenemae nuteɖeamedzi ƒe sesẽme nu sẽna ɖe edzii, gake butt welding ƒe nutete ƒe ŋusẽ dzi aɖe akpɔtɔ. Ne èƒoe vɔ la, tsɔ eƒe kɔkɔme si gbɔ eme la ƒu gbe, ne ekɔ wu akɔta ƒe ʋuƒoa la, ɖea nuteɖeamedzia dzi kpɔtɔna. Ɣeaɖewoɣi la, ate ŋu ana butt welding ƒe nutete ƒe ŋusẽ nadzi ɖe edzi. Kɔkɔme si susɔ la ƒe kɔkɔme lolo ŋutɔ, si ade tube ƒe nɔnɔme afɔku me le nyaƒoɖeamenu ƒe kekeɖenudɔwɔwɔ megbe.
Ne wokeke arc welded pipe si wotsɔ ƒo ƒui la ɖe enu le nyaƒoɖeamenu me la, woxatsaa gakpo ƒe pɔmpi si me womeɖe naneke le o la ɖe miame kple ɖusime ƒe akpa eve ƒe gota mɔ̃ siwo ƒe gli le ememe la nu eye wometsɔa gakpo ƒe pɔmpi ƒe kekeɖenudɔwɔwɔ aɖeke o. Eyata ne weld la ƒe ŋusẽdodo lolo akpa la, ne wokeke eƒe didime ɖe enu la, shear stress si weld la tsɔ la te ŋu 'small straight edges' le weld gã la ƒe akpa eveawo.
Ke hã, dɔwɔwɔ ŋuti nuteƒekpɔkpɔ ɖo kpe edzi be ne wotrɔ asi le gotagome weld ƒe ŋusẽdodo ŋu le 2mm alo esi mede nenema o me la, mele bɔbɔe be 'small straight edges' nanɔ ame si ne wokeke nyaƒoɖeamenua ɖe enu o. Pɔmpi ƒomevi la mele bɔbɔe be woagblẽ nu le eŋu o. Esia le alea elabena gotagome weld la ƒe ŋusẽdodo le sue, eye shear stress si akɔta ƒe weld la tsɔna hã le sue. Ne shear stress sia ƒomevi le ductile deformation ƒe didime me, le eɖeɖe vɔ megbe la, wowɔa tenɔnɔ ɖe nɔnɔme sesẽwo nu, eye tsi ƒe pɔmpia atrɔ ava nɔ nɔnɔme si sɔ me.
(2) Ememe weld seam la ƒe kɔkɔme lolo ŋutɔ, si dzia ŋusẽ kple ŋusẽ ƒe nugbegblẽ le ʋuɖoɖonuwo ŋu ɖe edzi.
Ne wometsɔ atike si tsi tre ɖe nusiwo gblẽa nu ŋu ƒo xlã pɔmpi si wotsɔ akakae si wotsɔ ƒo ƒu wɔe la ƒe gota gome o la, ke si wotsɔ ƒoa nu la ƒe kɔkɔme lolo ŋutɔ, eye ʋuʋudedi ƒe tsitretsitsi ɖe ʋuɖoɖo ŋu hã lolo, si ana ŋusẽ si wozãna le ʋuɖoɖo ƒe pɔmpia me nadzi ɖe edzi.
(3) gotagome welding ƒe titrime lolo, si menyo be woaxe mɔ ɖe xɔxlɔ̃ nu o.
Ne wozã epoxy resin laminated glass cloth hena anti-corrosion le dɔwɔwɔ me la, gota weld seam ƒe kɔkɔme si sɔ gbɔ wu ana wòasesẽ be woazi weld toe dzi sesĩe. Tsɔ kpe ɖe eŋu la, zi alesi welding seam la loloe eye zi alesi wòle be anti-corrosion layer la nalolo la, wobua thickness of the standard anti-corrosion layer ɖe weld seam ƒe nuwuwu, si dzia gazazã ɖe anti-corrosion ŋu ɖe edzi.
ne wotsɔe sɔ kple ememe scraper ƒomevi ememe weld ɖeɖeɖa dɔwɔnuwo, . Hangao Tech (Seko Mɔ̃wo) ƒe . Ya-fafɛ ememe weld flattening dɔwɔnuwo ƒe scratches ʋɛ aɖewo le gli ememetɔ ƒe gli si le gakpo si mexɔ dzo o ƒe pɔmpi. Eƒe dɔwɔwɔ ƒe gɔmeɖose enye be woazã mandrel si wotu ɖe eme atsɔ awɔ nu kple rolling die la atsɔ awɔ rolling enuenu zi gbɔ zi 30/min le ememe weld seam dzi, ale be weld seam kple base metal la wɔ ɖeka wu eye nuteɖeamedzia dzi ɖe kpɔtɔ.
Ne kuxi mawo tɔgbe le ŋuwò la, taflatse bia gbee. Dzi dzɔ mí ŋutɔ be míaɖo eŋu na wò.
