Bayan-weld gwajin gwaji mara lalacewa

Ana amfani da hanyoyin gwaji marasa lalacewa

1.UT (Gwajin Ultrasonic)

-- Ka'ida: Raƙuman sauti suna yaduwa a cikin kayan, lokacin da akwai ƙazanta na nau'i daban-daban a cikin kayan, za a nuna raƙuman sauti, kuma za a haifar da tasirin piezoelectric na ɓangaren nuni akan nuni: kashi a cikin bincike na iya canzawa. da lantarki makamashi a cikin inji makamashi, da kuma inverse sakamako, da inji makamashi tuba zuwa lantarki makamashi Ultrasonic a tsaye kalaman da karfi kalaman / karfi kalaman, da bincike ne zuwa kashi madaidaiciya bincike da oblique bincike, madaidaiciya bincike yafi gano abu, oblique bincike yafi gano walda

--Kayan gwaji na Ultrasonic da matakan aiki

Kayan aiki: Mai gano aibi na Ultrasonic, bincike, toshe gwaji

Tsari:

Brush mai rufi coupplant.GaneƘimar sigina masu nunawa

——Halayen ganowa na Ultrasonic

Matsayi mai girma uku daidai ne, yana barin kawai daga gefen ɓangaren don aiki, gano kauri mai girma - har zuwa mita 2 ko fiye, zai iya gano maɓalli ya ƙare - nau'in lebur mai katsewa, kayan aiki mai sauƙin ɗauka, yana buƙatar matakin gano ma'aikaci. Ya fi girma, ana buƙatar kauri gabaɗaya ba ƙasa da 8mm ba, ƙasa mai santsi

-- Gishirin manna da ake amfani da shi don gano lahani na ultrasonic yana da girma sosai, kuma yakamata a tsabtace shi nan da nan bayan gano aibi.

Manna da aka yi amfani da shi a cikin gano lahani na ultrasonic a cikin masana'antun masana'antu masu nauyi yana da babban abun ciki na gishiri, kuma idan ba a tsaftace shi a cikin lokaci ba, zai yi tasiri sosai a kan ingancin maganin lalata.

Don abubuwan da aka saba amfani da su na hana lalata, babban aikinsa shine keɓe iska ko ruwa (electrolyte) daga saman da aka karewa, amma wannan keɓewar ba cikakke ba ne, bayan wani ɗan lokaci, saboda matsa lamba na yanayi, iska ko ruwa (electrolyte) za su kasance har yanzu. shigar da farfajiyar da aka karewa, sannan farfajiyar da aka karewa za ta haifar da sinadarai tare da danshi ko ruwa (electrolyte) a cikin iska, yayin da yake lalata saman da aka karewa.Ana iya amfani da gishiri a matsayin mai kara kuzari don haɓaka ƙimar lalata, kuma mafi girma gishiri, saurin lalata.

A cikin masana'antun masana'antu masu nauyi, akwai aiki - gano kuskuren ultrasonic, yin amfani da manna (couplant) gishiri yana da girma sosai, abun ciki na gishiri ya kai fiye da 10,000 μs / cm (masana'antu gabaɗaya yana buƙatar abun ciki na gishiri na abrasive ya ragu. fiye da 250 μs / cm, gishiri na ruwa na gida yana da kusan 120 μs / cm), a cikin wannan yanayin, ginin fenti, rufin zai rasa tasirin lalatawa a cikin gajeren lokaci.

Al'adar da aka saba shine a wanke manna na gano aibi tare da ruwa mai tsabta nan da nan bayan gano kuskure.Duk da haka, wasu kamfanoni ba sa ba da mahimmanci ga anti-lalata, kuma ba sa tsaftace manna bayan gano aibi, wanda ke haifar da wahala a cire man da aka gano aibi bayan bushewa, wanda kai tsaye yana shafar ingancin kariya na rufin.

Ga saitin bayanan gwaji:

1. Bayanan gishiri na ruwan gano lahani

--Ka'ida: yaduwa da sha na haskoki - yaduwa a cikin kayan ko walda, sha da haskoki ta hanyar fina-finai

Shayarwar Ray: kayan kauri da yawa suna ɗaukar ƙarin haskoki, yana haifar da ƙarancin hankali na fim ɗin da hoto mai haske.Akasin haka, hoton ya fi duhu

Katsewa tare da hoton baƙar fata sun haɗa da: haɗaɗɗen slag \ ramin iska \ ɓatacce \ crack \ incomplete fusion \ incomplete shigar.

Katsewa tare da farar hoto: Tungsten haɗawa \ spatter \ overlap \ babban ƙarfafa weld

—-RT gwajin aiki matakai

Wurin tushen Ray

Sanya zanen gado a gefen baya na weld

Bayyanawa bisa ga sigogin tsarin gano aibi

Ci gaban fim: Haɓakawa - gyarawa - Tsaftacewa - bushewa

Ƙimar fim

Bude rahoto

——Tsarin Ray, alamar ingancin hoto, baƙar fata

Madogararsa na layi

X-ray: kaurin transillumination gabaɗaya bai wuce 50mm ba

Babban ƙarfin X-ray, mai haɓakawa: kauri na transillumination ya fi 200mm

γ Ray: ir192, Co60, Cs137, ce75, da dai sauransu, tare da transillumination kauri daga 8 zuwa 120mm

Mai nuna ingancin hoto na layi

Dole ne a yi amfani da alamar ingancin hoton nau'in rami don FCM na gada

Baƙar fata d=lgd0/d1, wani fihirisar don kimanta hankalin fim

Abubuwan buƙatun rediyo na X-ray: 1.8 ~ 4.0;γ Bukatun rediyo: 2.0 ~ 4.0,

—-RT kayan aiki

Tushen Ray: Injin X-ray ko γ na'urar X-ray

Ƙararrawar Ray

jakar lodawa

Alamar ingancin hoto: nau'in layi ko nau'in wucewa

Mitar baƙar fata

Injin haɓaka fim

(tanda)

Fitilar kallon fim

(dakin fallasa)

—-RT fasali

Ya dace da duk kayan aiki

Rubuce-rubuce (marasa kyau) suna da sauƙin adanawa

Lalacewar radiation ga jikin mutum

Umarnin dakatarwa:

1. Hankali ga katsewa daidai da jagorar katako

2. m ga katsewa a layi daya da kayan saman

Nau'in katsewa:

Yana da damuwa ga katsewar matakai uku (kamar pores), kuma yana da sauƙi a rasa dubawa don dakatarwar jirgin (kamar rashin cika fuska da fasa) Bayanan sun nuna cewa adadin gano RT don fasa shine 60%

RT na mafi yawan abubuwan da aka gyara za a sami dama daga ɓangarorin biyu

ƙwararrun ma'aikata za su tantance marasa kyau

3.mt (Magnetic barbashi dubawa)

--Ka'ida: bayan aikin aikin magnetized, ana haifar da filin ɗigon maganadisu a ƙarshen, kuma ana tallata ƙwayar maganadisu don samar da nunin alamar maganadisu.

Filin Magnetic: filin maganadisu na dindindin da filin lantarki wanda aka samar ta hanyar maganadisu na dindindin

Barbashi Magnetic: busassun ƙwayar maganadisu da rigar maganadisu

Magnetic barbashi da launi: Baƙar fata maganadisu barbashi, jan Magnetic barbashi, farin Magnetic barbashi

Fluorescent Magnetic foda: haskakawa ta fitilar ultraviolet a cikin dakin duhu, rawaya kore ne kuma yana da mafi girman hankali.

Jagoranci: Katsewa daidai gwargwado zuwa kan layin maganadisu na ƙarfi shine mafi mahimmanci

——Hanyoyin maganadisu na gama gari

Dogon maganadisu: Hanyar karkiya, Hanyar nada

Magnetization da'irar: hanyar lamba, Hanyar madugu ta tsakiya

Magnetizing halin yanzu:

AC: babban hankali ga katsewar saman

DC: babban hankali zuwa kusa da katsewar saman

——Hanyar gwajin ƙwayar magnetic

Kayan aikin tsaftacewa

Magnetized workpiece

Aiwatar da ƙwayar maganadisu yayin da ake yin maganadisu

Fassarar da kimantawa na maganadisu

Kayan aikin tsaftacewa

(demagnetization)

—- MT fasali

Babban hankali

m

Hanyar Yoke da sauran kayan aiki suna da sauƙin motsawa

Ana iya gano ƙarewar saman kusa idan aka kwatanta da shigar ciki

Maras tsada

Kawai zartar da ferromagnetic kayan, ba a zartar da austenitic bakin karfe, aluminum gami, titanium gami, jan karfe da kuma jan gami.

Yana da kula da shafi a kan workpiece surface.Gabaɗaya, kauri mai rufi ba zai wuce 50um ba

Wani lokaci abubuwan da aka gyara suna buƙatar demagnetization

4.pt (duba mai shiga ciki)

——Ka'ida: yi amfani da capillarity don tsotse mai shigar da ya rage a cikin katsewa, ta yadda mai shigar (yawanci ja) da ruwan hoton (yawanci fari) suna gauraye don samar da nuni.

--Nau'in dubawa mai shiga

Dangane da nau'in hoton da aka kafa:

Launi, haske mai gani

Fluorescence, UV

Dangane da hanyar cire wuce gona da iri:

Cire mai narkewa

Hanyar wanke ruwa

Bayan emulsification

Hanyar da aka fi amfani da ita a tsarin karfe ita ce: hanyar kawar da sauran ƙarfi mai launi

——Matakin gwaji

Kayan aikin tsaftacewa: amfani da wakili mai tsabta

Aiwatar da penetrant kuma ajiye shi na 2-20min.Daidaita shi bisa ga yanayin zafi.Idan lokacin ya yi guntu, mai shigar bai cika ba, tsayi da yawa ko zafin jiki ya yi yawa, mai shigar zai bushe Za a kiyaye mai shigar a jika a duk lokacin gwajin.

Cire wuce gona da iri tare da wakili mai tsaftacewa.An haramta fesa wakili mai tsaftacewa kai tsaye akan kayan aikin.Shafa shi da tsaftataccen kyalle ko takarda da aka tsoma tare da mai shiga daga hanya guda don guje wa cire mai shiga tsakani ta hanyar tsaftacewa.

Aiwatar da yunifom da bakin ciki na maganin mai haɓaka tare da tazarar feshi na kusan 300mm.Maganin haɓaka mai kauri da yawa na iya haifar da yankewa

Yi bayani da tantance abubuwan da aka dakatar

Kayan aikin tsaftacewa

--PT fasali

Aikin yana da sauki

Domin duk karafa

Babban hankali

Sauƙin motsi

Gano katsewar buɗe ido kawai

Ƙananan ingancin aiki

High surface nika bukatun

gurbacewar muhalli

Daidaitawar dubawa iri-iri zuwa wuri mara lahani