Induction Narkewar Injin

Tambaya: Menene Induction Electromagnetic?

Michael Faraday ya gano Induction na Electromagnetic a shekara ta 1831, kuma James Clerk Maxwell a lissafi ya bayyana shi a matsayin ka'idar shigar da wutar lantarki ta Faraday.Electromagnetic Induction wani yanayi ne da ake samarwa saboda samar da wutar lantarki (ƙarfin lantarki) saboda canjin yanayin maganadisu.Wannan ko dai yana faruwa ne lokacin da madugu. ana sanya shi cikin filin maganadisu mai motsi (lokacin amfani da tushen wutar AC) ko kuma lokacin da madugu ke motsawa akai-akai a cikin filin maganadisu na tsaye. Kamar yadda saitin da aka bayar a ƙasa, Michael Faraday ya shirya wata wayar da aka makala akan na'ura don auna ƙarfin lantarki a cikin kewaye. Lokacin da magnet ɗin ya motsa ta cikin naɗaɗɗen, mai gano ƙarfin lantarki yana auna ƙarfin lantarki a cikin kewaye.Ta hanyar gwajinsa, ya gano cewa akwai wasu abubuwan da ke tasiri ga samar da wutar lantarki. Su ne:
Adadin Coils: Wutar lantarkin da aka jawo ya yi daidai da adadin juyowa/naɗa na waya. Mafi girman adadin juyi, mafi girma ana samar da wutar lantarki

Canza Filin Magnetic: Canja filin maganadisu yana shafar ƙarfin lantarki da aka jawo. Ana iya yin haka ta ko dai motsi filin maganadisu a kusa da madugu ko motsa madubin a cikin filin maganadisu.
Hakanan kuna iya son bincika waɗannan ra'ayoyin masu alaƙa da ƙaddamarwa:
Gabatarwa - Gabatar da Kai da Gabatarwa
Electromagnetism
Tsarin Induction Magnetic.

Tambaya: Menene induction dumama?

Gabatarwar Tushen yana farawa da murɗa na kayan aiki (misali, jan ƙarfe). Yayin da halin yanzu ke gudana ta cikin nada, ana samar da filin maganadisu a ciki da kewayen nada. Ƙarfin filin maganadisu don yin aiki ya dogara da ƙirar coil da kuma yawan adadin da ke gudana ta cikin nada.
Jagoran filin maganadisu ya dogara da alkiblar halin yanzu, don haka madaidaicin halin yanzu ta cikin nada

zai haifar da wani filin maganadisu da ke canzawa zuwa alkibla daidai gwargwado da mitar canjin halin yanzu. 60Hz AC halin yanzu zai sa filin maganadisu ya canza kwatance sau 60 a cikin dakika. 400kHz AC halin yanzu zai sa filin maganadisu ya canza sau 400,000 a sakan daya.Lokacin da aka sanya kayan aiki, wani yanki na aiki, a cikin canjin yanayin maganadisu (alal misali, filin da aka samar da AC), za a jawo wutar lantarki a cikin aikin yanki. (Dokar Faraday). Wutar lantarki da aka jawo zai haifar da kwararar electrons: halin yanzu! Halin da ke gudana ta hanyar aikin aikin zai tafi a cikin kishiyar shugabanci kamar na yanzu a cikin coil. Wannan yana nufin cewa za mu iya sarrafa mita na halin yanzu a cikin aikin aikin ta hanyar sarrafa mita na yanzu a cikin

nada. Yayin da halin yanzu ke gudana ta hanyar matsakaici, za a sami ɗan juriya ga motsi na electrons. Wannan juriya yana nunawa azaman zafi (The Joule Heating Effect). Abubuwan da suka fi juriya da kwararar electrons za su ba da ƙarin zafi yayin da halin yanzu ke gudana ta cikin su, amma tabbas yana yiwuwa a ɗora kayan aiki masu ƙarfi (misali, jan ƙarfe) ta amfani da wutar lantarki. Wannan al'amari yana da mahimmanci don dumama induction. Menene muke buƙata don dumama shigar da ciki? Duk wannan yana gaya mana cewa muna buƙatar abubuwa guda biyu don dumama shigar da su ya faru:
Filin maganadisu mai canzawa

Abun da ke sarrafa wutar lantarki da aka sanya shi cikin filin maganadisu
Ta yaya Induction Dumama yake kwatanta da sauran hanyoyin dumama?
Akwai hanyoyi da yawa don dumama abu ba tare da shigar da shi ba. Wasu daga cikin ayyukan masana'antu na gama gari sun haɗa da tanderun gas, tanderun lantarki, da wankan gishiri. Waɗannan hanyoyin duk sun dogara ne akan canja wurin zafi zuwa samfur daga tushen zafi (mai ƙonewa, kayan dumama, gishiri mai ruwa) ta hanyar haɗuwa da radiation. Da zarar saman samfurin ya yi zafi, zafi yana canjawa wuri ta samfurin tare da tafiyar da zafi.
Samfuran masu zafi na shigar da ba sa dogaro da convection da radiation don isar da zafi zuwa saman samfurin. Maimakon haka, ana haifar da zafi a saman samfurin ta hanyar kwararar halin yanzu. Ana canja wurin zafi daga saman samfurin ta samfurin tare da tafiyar da zafi.

Zurfin abin da zafi ke haifar da kai tsaye ta amfani da halin da ake ciki ya dogara da wani abu da ake kira zurfin tunani na lantarki. Zurfin ma'anar wutar lantarki ya dogara sosai a kan mita mai canzawa ta hanyar aiki. Maɗaukakin mita mafi girma zai haifar da zurfin tunani na lantarki mai zurfi kuma ƙananan mita na yanzu zai haifar da zurfin tunani mai zurfi na lantarki. Wannan zurfin kuma ya dogara da kayan lantarki da kayan maganadisu na yanki na aikin.
Zurfin Maganar Wutar Lantarki na Ƙarfin Ƙarfafawa da Ƙarfafa Ƙungiyoyin Ƙungiyoyin Ƙungiyoyin Inductotherm suna cin gajiyar waɗannan abubuwan na zahiri da na lantarki don keɓance hanyoyin dumama don takamaiman samfura da aikace-aikace. Kula da hankali na wutar lantarki, mita, da geometry na coil yana ba da damar kamfanonin Indutotherm Group su tsara kayan aiki tare da manyan matakan sarrafa tsari da aminci ba tare da la'akari da aikace-aikacen ba.Induction Melting.
Don yawancin matakai narke shine mataki na farko na samar da samfur mai amfani; narkewar induction yana da sauri da inganci. Ta hanyar canza lissafin juzu'i na induction coil, induction narke tanderun na iya ɗaukar cajin da ke da girman girma daga ƙarar mug kofi zuwa ɗaruruwan zubin ƙarfe na narke. Bugu da ari, ta hanyar daidaita mita da wutar lantarki, kamfanonin Inductotherm Group za su iya sarrafa kusan dukkanin karafa da kayan ciki har da amma ba'a iyakance ga: baƙin ƙarfe, ƙarfe da bakin karfe ba, jan ƙarfe da ƙarfe na tushen tagulla, aluminum da silicon. An tsara kayan aikin ƙaddamarwa don kowane aikace-aikacen don tabbatar da cewa yana da inganci kamar yadda zai yiwu.Babban fa'ida da ke tattare da narkewar ƙaddamarwa shine motsa jiki. A cikin tanderun ƙaddamarwa, kayan cajin ƙarfe yana narkar da shi ko zafi ta hanyar filin lantarki na yanzu. Lokacin da karfe ya zama narkakkar, wannan filin kuma yana sa wanka ya motsa. Wannan ake kira inductive stirring. Wannan motsi akai-akai a dabi'a yana gaurayawa wanka yana samar da gauraya mai kama da juna kuma yana taimakawa tare da hadawa. Adadin motsawa yana ƙayyade girman girman tanderun, ƙarfin da aka saka a cikin ƙarfe, mita na filin lantarki da nau'in

ƙidaya karfe a cikin tanderun. Ana iya sarrafa adadin kuzarin motsa jiki a cikin kowace tanderun da aka bayar don aikace-aikace na musamman idan an buƙata.Induction Vacuum MeltingSaboda an cika dumama shigar da wutar lantarki ta amfani da filin maganadisu, yanki na aikin (ko lodi) na iya zama keɓe ta jiki daga na'urar shigar ta ta hanyar refractory ko wani dabam. matsakaici mara gudanarwa. Filin maganadisu zai wuce ta wannan kayan don haifar da ƙarfin lantarki a cikin nauyin da ke ciki. Wannan yana nufin cewa za'a iya dumama kaya ko yanki na aikin a ƙarƙashin vacuum ko a cikin yanayi mai kulawa sosai. Wannan yana ba da damar sarrafa karafa masu amsawa (Ti, Al), gami na musamman, silicon, graphite, da sauran kayan aiki masu mahimmanci.Induction DumamaBa kamar wasu hanyoyin konewa ba, dumama shigarwa ana iya sarrafa shi daidai ba tare da la'akari da girman tsari ba.

Canza yanayin halin yanzu, ƙarfin lantarki, da mitar ta hanyar induction coil yana haifar da ingantaccen ingantaccen dumama injin, cikakke don takamaiman aikace-aikace kamar taurin hali, taurin kai da zafin rai, annealing da sauran nau'ikan maganin zafi. Babban matakin daidaici yana da mahimmanci don aikace-aikace masu mahimmanci kamar mota, sararin samaniya, fiber optics, haɗin harsashi, taurin waya da zafin waya na bazara. Dumamar shigarwa ya dace sosai don aikace-aikacen ƙarfe na musamman waɗanda suka haɗa da titanium, karafa masu daraja, da abubuwan haɓaka haɓaka. Madaidaicin kulawar dumama da ke akwai tare da ƙaddamarwa bai daidaita ba. Bugu da ari, ta yin amfani da tushen dumama iri ɗaya azaman aikace-aikacen dumama vacuum crucible, za a iya ɗaukar dumama shigarwa ƙarƙashin yanayi don ci gaba da aikace-aikace. Misali mai haske annealing na bakin karfe bututu da bututu.

Welding Induction Mai Girma
Lokacin da aka isar da shigarwa ta amfani da High Frequency (HF) halin yanzu, ko da walda yana yiwuwa. A cikin wannan aikace-aikacen zurfin zurfin tunani na lantarki wanda za'a iya samu tare da halin yanzu na HF. A wannan yanayin ana samun tsiri na ƙarfe gabaɗaya, sannan ya wuce ta cikin jerin na'urori na injiniyoyi daidai, wanda kawai manufarsa ita ce tilasta gefuna da aka kafa tare da ƙirƙirar walda. Kafin tsiri da aka kafa ya kai ga saitin nadi, ya wuce ta hanyar induction coil. A wannan yanayin halin yanzu yana gudana ƙasa tare da geometric "vee" wanda gefuna na tsiri ya ƙirƙira maimakon kusa da wajen tashar da aka kafa. Kamar yadda halin yanzu ke gudana tare da gefuna na tsiri, za su yi zafi har zuwa yanayin zafin walda mai dacewa (ƙasa da yanayin narkewar kayan). Lokacin da aka danna gefuna tare, duk tarkace, oxides, da sauran ƙazanta ana tilasta su don haifar da ƙwanƙwasa walƙiya.

Makoma Tare da zuwan shekaru na kayan aikin injiniya mai zurfi, madadin kuzari da buƙatar ƙarfafa ƙasashe masu tasowa, ƙwarewar musamman na ƙaddamarwa suna ba injiniyoyi da masu ƙira na gaba cikin sauri, inganci, kuma daidaitaccen hanyar dumama.