Ana iya rarraba kayan Magnetic zuwa kashi biyu: Magnetic isotropic da magnetan anisotropic:
Abubuwan maganadisu na isotropic suna nuna kaddarorin maganadisu iri ɗaya a duk kwatance kuma ana iya yin maganadisu ta kowace hanya.
Maganganun Anisotropic suna nuna kaddarorin maganadisu daban-daban a cikin kwatance daban-daban, kuma suna da fifikon shugabanci don ingantaccen aikin maganadisu, wanda aka sani da jagorar fuskantarwa.
Common anisotropic maganadiso sun hada daNdFeBkumaSmCo, waxanda suke duka kayan maganadisu masu wuya.
Gabatarwa wani muhimmin tsari ne a cikin samar da sinadarai na NdFeB
Maganar maganadisu ta samo asali ne daga tsari na maganadisu (inda kowane yanki na maganadisu ke daidaitawa a takamaiman hanya).Sintered NdFeB an kafa shi ta hanyar damfara foda na maganadisu a cikin gyare-gyare.Tsarin ya haɗa da sanya foda na maganadisu a cikin wani tsari, yin amfani da filin maganadisu mai ƙarfi ta amfani da na'urar lantarki, kuma a lokaci guda yin matsin lamba tare da latsa don daidaita sauƙin maganadisu na foda.Bayan dannawa, jikin koren suna raguwa, an cire su daga ƙirar, kuma ana samun ɓangarorin da aka samu tare da ingantattun kwatance maganadisu.Ana yanke waɗannan ɓangarori zuwa ƙayyadaddun girma don ƙirƙirar samfuran ƙarfe na magnetic na ƙarshe bisa ga buƙatun abokin ciniki.
Matsakaicin foda tsari ne mai mahimmanci wajen samar da babban aiki NdFeB maganadisu na dindindin.A ingancin fuskantarwa a lokacin blank samar lokaci da aka rinjayi daban-daban dalilai, ciki har da fuskantarwa filin ƙarfi, foda barbashi siffar da girman, kafa hanya, da zumunta fuskantarwa filin fuskantarwa da kuma kafa matsa lamba, da sako-sako da yawa na daidaitacce foda.
Maganganun skew ɗin da aka samar a cikin mataki na gaba yana da wani tasiri akan rarraba filin maganadisu na maganadiso.
Magnetization shine mataki na ƙarshe don ba da maganadisu zuwaNdFeB.
Bayan yanke ɓangarorin maganadisu zuwa girman da ake so, ana aiwatar da matakai kamar su electroplating don hana lalata kuma su zama magneto na ƙarshe.Duk da haka, a wannan mataki, maganadisu ba sa nuna magnetism na waje kuma suna buƙatar magnetization ta hanyar da aka sani da "cajin maganadisu."
Kayan aikin da ake amfani da shi don yin maganadisu ana kiransa magnetizer, ko injin maganadisu.Magnetizer da farko yana cajin capacitor tare da babban ƙarfin wutar lantarki na DC (watau yana adana makamashi), sannan ya fitar da shi ta hanyar coil (magnetizing fixture) tare da ƙarancin juriya.Mafi girman halin yanzu na bugun bugun jini na iya zama mai tsayi sosai, ya kai dubun dubatar amperes.Wannan bugun jini na yanzu yana haifar da filin maganadisu mai ƙarfi a cikin injin maganadisu, wanda ke yin maganadisu har abada.
Hatsari na iya faruwa a lokacin aikin maganadisu, kamar rashin cikar jikewa, fashe sandunan maganadisu, da karyewar maganadisu.
Cikakkun jikewa ya samo asali ne saboda rashin isassun wutar lantarki, inda filin maganadisu da ke haifar da nada bai kai sau 1.5 zuwa 2 na jikewar maganadisu ba.
Don magnetization da yawa, maganadiso tare da kauri mai kauri kuma suna da ƙalubale don cika cikakke.Wannan saboda nisa tsakanin manyan sanduna na sama da na ƙasa na magnetizer ya yi girma da yawa, yana haifar da ƙarancin ƙarfin filin maganadisu daga sandunan don samar da ingantacciyar da'irar maganadisu.A sakamakon haka, aikin maganadisu na iya haifar da sandunan maganadisu marasa ƙarfi da ƙarancin ƙarfin filin.
Fasa sandunan magnetizer da farko yana faruwa ne ta hanyar saita ƙarfin lantarki da yawa, wanda ya wuce amintaccen ƙarfin lantarki na injin maganadisu.
Maganganun da ba su da isasshen ƙarfi ko maganadiso waɗanda aka lalatar da su a wani yanki sun fi wahalar cikawa saboda ɓarnar ɓarnawar wuraren maganadisu na farko.Don cimma jikewa, juriya daga ƙaura da jujjuyawar waɗannan yankuna suna buƙatar shawo kan su.Koyaya, a cikin yanayin da maganadisu bai cika cikakke ba ko kuma yana da ragowar maganadisu, akwai yankuna na filin maganadisu na baya a cikinsa.Ko maganadisu a gaba ko baya, wasu wurare suna buƙatar jujjuyawar maganadisu, wanda ke buƙatar shawo kan ƙarfin tilastawa cikin waɗannan yankuna.Saboda haka, filin maganadisu mai ƙarfi fiye da ka'idar da ake buƙata ya zama dole don maganadisu.
Lokacin aikawa: Agusta-18-2023