Duban Ultrasonic na Austenitic Welds Amfani da Tsarin Tsari |2018-06-01

Shinkafa1. Bakin Karfe Weld Manufacturing Hanyar dubawa: Double 2D Matrix Majalisar a TRL Mode.

Lambobi, ma'auni, da hanyoyi sun samo asali don ba da damar yin amfani da gwajin gwaji na ultrasonic na zamani (PAUT) maimakon RT don gwada walda austenitic.Da farko da aka yi amfani da shi sosai a masana'antar makamashin nukiliya kusan shekaru 15 da suka gabata, yin amfani da tarurrukan na'urorin firikwensin dual (2D) ya bazu zuwa ga mai da iskar gas da sauran masana'antu inda sauri, aminci da amintaccen dubawa na babban attenuation austenitic welds ake buƙata.
Sabbin na'urorin tsararrun tsararraki masu ɗaukar hoto suna sanye da ingantaccen software na ciki wanda ke ba ku damar tsarawa da sauri da inganci, turawa da fassara sikanin tsararrun matrix na 2D ba tare da shigar da fayilolin dokar mayar da hankali ba waɗanda aka ƙirƙira tare da ƙididdiga na waje ko tsarin sarrafa nesa ta amfani da software na ci gaba.software don PC.
A yau, fasahar dubawa dangane da masu jujjuyawar tsararru na 2D suna ba da ingantacciyar damar gano girth da lahani a cikin bakin karfe da nau'ikan welds na ƙarfe.Daidaitaccen daidaitaccen matrix na 2D dual matrix na iya yadda ya kamata ya rufe girman dubawa na welds bakin karfe kuma yana iya gano lahani na lebur da girma.
Hanyoyin duban duban dan tayi yawanci sun ƙunshi tsararru biyu na matrices masu girma biyu waɗanda aka sanya su akan abubuwan da za a iya maye gurbinsu da siffa waɗanda kwane-kwanensu yayi daidai da diamita na ɓangaren a ƙarƙashin la'akari.Yi amfani da ƙananan mitoci - 1.5 MHz don nau'ikan walda na ƙarfe daban-daban da sauran kayan rage ragewa, 2 MHz zuwa 3.5 MHz don kayan aikin ƙarfe na ƙarfe da walda.
Tsarin T / R na dual (watsawa / karɓa) yana ba da fa'idodi masu zuwa: babu kusa-sama "yankin matattu", kawar da "fatalwar fatalwa" wanda ya haifar da tunani na ciki a cikin kullun, kuma mafi kyawun hankali da sigina-zuwa amo rabo (siginar rabo / amo).Siffar amo)) saboda jujjuyawar katakon T da R.
Bari mu dubi hanyar PA UT don sarrafa ƙirƙira na austenitic bakin karfe welds.
Lokacin gudanar da sarrafawar samarwa, maimakon RT, sarrafawa ya kamata ya rufe ƙarar walda da duk kauri na bangon yankin da ke fama da zafi.A mafi yawan lokuta, hular siyar za ta kasance a wurin.A carbon karfe welds, an bada shawarar yin amfani da karfi taguwar ruwa zuwa sonicate da sarrafawa girma a garesu, yayin da na karshe rabin kalaman yawanci amfani da su sami specular tunani daga lahani a kan weld bevel.
A ƙananan mitoci, ana iya amfani da irin wannan hanyar igiyar igiyar ƙarfi don gwada kusancin bevel na bakin ƙarfe waldi, amma ba abin dogaro bane don gwaji ta hanyar kayan walda na austenitic.Bugu da kari, ga abin da ake kira CRA welds, akwai murfin alloy mai jure lalata a cikin diamita na bututun ƙarfe na carbon, kuma rabin ƙarshe na jumper na igiyar giciye ba za a iya amfani da su yadda ya kamata ba.
Bari mu kalli hanyoyin gano samfurin ta amfani da kayan aikin UT mai ɗaukuwa da software, kamar yadda aka nuna a hoto 1.
Dual 2D array transducers waɗanda ke samar da 30 zuwa 85 digiri P-wave refracted beams waɗanda za a iya amfani da su don cikakken ɗaukar hoto.Don kaurin bango daga 15 zuwa 50 mm, ana ɗaukar mitoci daga 1.5 zuwa 2.25 MHz sun dace, dangane da haɓakar ma'aunin.
Ta hanyar inganta kusurwar ƙwanƙwasa da daidaitawar abubuwan bincike na tsararru, za a iya samar da nau'i-nau'i masu yawa na refractive kusurwa da kyau ba tare da haɗin haɗin gwiwa ba (Fig. 2).An rage girman sawun kumburin tsinke a cikin jirgin abin da ya faru, yana barin wurin fitowar katako ya kasance kusa da walda kamar yadda zai yiwu.
Aiki na daidaitaccen 2.25 MHz 10 x 3 dual array array a cikin yanayin TRL an kimanta shi akan kaurin bangon 25 mm 304 bakin karfe weld.Samfuran gwajin suna da wani gangare mai siffar V mai kama da yanayin “kamar yadda aka welded” kuma yana ƙunshe da lahani na walda na gaske kuma da aka rubuta daidai da walda.
Shinkafa3. Haɗe-haɗe bayanan tsararrun tsararru don daidaitaccen 2.25 MHz 10 x 3 Dual Array (TRL) a kan 304 bakin karfe weld.
A kan fig.3 yana nuna hotunan bayanan PAR da aka haɗa don duk kusurwoyi na refraction (daga 30° zuwa 85° LW) tare da tsayin weld ɗin gabaɗayan.An yi sayan bayanai a ƙaramin matakin riba don guje wa jikewa na lahani sosai.Ƙididdigar bayanai na 16-bit yana ba da damar saitunan riba mai laushi masu dacewa don nau'ikan lahani daban-daban.Za'a iya sauƙaƙe fassarar bayanai ta hanyar sanya ma'aunin tsinke yadda ya kamata.
Hoton lahani guda ɗaya da aka ƙirƙira ta amfani da saitin bayanai iri ɗaya yana nunawa a cikin hoto 4. Duba sakamakon:
Idan ba ka so ka cire filogi kafin dubawa, za a iya amfani da wata hanyar dubawa don gano axial (transverse) fasa a cikin bututu waldi: za a iya amfani da guda tsararru tsararru bincike a bugun jini echo yanayin zuwa "karkatar" walda toshe Sautin sauti daga ƙasa Kamar yadda sautin katako yana yaduwa galibi a cikin substrate, raƙuman ruwa na iya gano lahani na kusa.
Da kyau, ya kamata a duba walda a cikin kwatancen katako guda huɗu (Hoto na 5) kuma yana buƙatar a duba ma'aunin ma'auni guda biyu daga saɓanin saɓani, agogon agogo da kuma gaba da agogo.Dangane da mita da girman daidaitattun abubuwan tsararru, za'a iya inganta taron wedge don samun kusurwoyi na refraction daga 40° zuwa 65° dangane da alkiblar axis.Fiye da haskoki 50 suna faɗowa akan kowane tantanin bincike.Nagartaccen kayan aikin US PA mai ginanniyar ƙididdiga yana iya sauƙin ma'amala da ma'anar saitin dokokin mai da hankali tare da skews daban-daban, kamar yadda aka nuna a hoto na 6.
Yawancin lokaci, ana amfani da jerin cak guda biyu don cika adadin cak.Matsayin axial na layin binciken biyu an ƙaddara daga kauri da bututu da nisa na tip weld.Layin sikanin na farko yana gudana kamar yadda zai yiwu zuwa gefen weld, yana nuna lahani a tushen walda, kuma layin na biyu yana kammala ɗaukar hoto na HAZ.Za a inganta yankin tushe na kumburin bincike ta yadda madaidaicin fitowar katako ya kasance kusa da yatsan kambi ba tare da mahimman tunani na ciki a cikin wedge ba.
An gano wannan hanyar binciken tana da tasiri sosai wajen gano lahanin axial da ba daidai ba.A kan fig.7 yana nuna hoton tsararru wanda aka ɗauka akan tsagewar axial a cikin weld ɗin bakin karfe: an sami lahani a kusurwoyi daban-daban na karkata kuma ana iya ganin babban SNR.
Hoto 7: Haɗe-haɗe bayanan tsararru don ɓarna axial a cikin waldi na bakin karfe (kusurwoyi daban-daban na SW da sha'awa): tsinkayar al'ada (hagu) da tsinkayar igiya (dama).
Amfanin ci gaba na PA UT a matsayin madadin rediyo na ci gaba da samun kulawa a cikin mai da iskar gas, samar da wutar lantarki, masana'antu da sauran masana'antu waɗanda ke dogaro da ingantaccen bincike na welds austenitic.Hakazalika, cikakkun kayan aikin PA UT, firmware mai ƙarfi da 2D tsararrun bincike suna ci gaba da sanya waɗannan binciken su zama masu inganci da inganci.
Guy Maes shine darektan tallace-tallace na Zetec na UT.Fiye da shekaru 25 na gwaninta a cikin haɓakawa da aiwatar da hanyoyin duban dan tayi na ci gaba, ƙwarewar ƙwarewa da haɓaka software.Don ƙarin bayani, kira (425) 974-2700 ko ziyarci www.zetec.com.
Abubuwan da aka tallafawa wani yanki ne na musamman na biya wanda kamfanonin masana'antu ke ba da inganci, rashin son zuciya, abubuwan da ba na kasuwanci ba akan batutuwan da ke da sha'awar masu sauraro masu inganci.Kamfanonin talla ne ke bayar da duk abun ciki da aka tallafawa.Kuna sha'awar shiga cikin sashin abun ciki da aka tallafa mana?Tuntuɓi wakilin ku na gida.
Saboda al'amurra sau da yawa suna fitowa a lokacin bita na ka'idoji, yana da mahimmanci fiye da kowane lokaci don fahimtar ka'idodin sarrafa canji.Wannan gidan yanar gizon yana magana ne akan ka'idodin gudanarwa na canji, rawar da yake takawa a matsayin maɓalli na tsarin gudanarwa mai inganci (QMS), da dangantakarsa da wasu mahimman hanyoyin tabbatar da ingancin inganci kamar aikin gyara / rigakafin (CARA) da horo.
Kasance tare da mu don koyon yadda mafita na metrology na 3D ke ba masu zanen kaya masu zaman kansu da masana'antun sarrafa motsi don saduwa da buƙatun su yayin haɓaka ƙarfin su da 75%.A cikin kasuwan yau mai sauri da sauri, kasuwancin ku dole ne ya sami damar yin amfani da fasahar yankan-baki don kawar da rikiɗar aiki da kai, haɓaka aikin aiki, da haɓaka aiki.
Ƙaddamar da Buƙatar Shawara (RFP) ga mai siyar da kuka zaɓa kuma danna maɓallin da ke ba da cikakken bayani game da bukatunku.


Lokacin aikawa: Agusta-20-2022