Axial Permanent Magnets

Axial Permanent Magnets
Axial Permanent Magnet teb ncav cuag qhov dav ntawm qhov sib nqus sib nqus sib nqus. Thaum cov khoom siv hlau nplaum nkag mus rau hauv lub tshav pob, nws tau nyiam mus rau qhov chaw siab tshaj plaws sib nqus-paub tias yog tus ncej-tab sis tom qab ntawd cov lus tsa suab ntawm lub conveyor lossis nruas rub cov khoom los ntawm qhov chaw tsis muaj zog ntawm thaj chaw nyob nruab nrab ntawm ob ncej ua ntej nws. nws thiaj li nyob rau lwm tus ncej.

Ib qho axial magnetic teb yog qhov zoo tshaj plaws thaum lub tshuab sib nqus sib nqus yuav tau ntes cov khoom siv tsis sib nqus. Vim tias qhov txav ntawm cov ncej, cov khoom tsis sib nqus yuav raug tso tawm raws li cov khoom sib nqus "tumbles" hauv daim teb. Qhov downside ntawm hom magnetic teb no yog tias muaj peev xwm txo qis kev sib cais.

Ib qho axial magnetic teb yog qhov zoo tshaj plaws rau cov ntawv thov uas lub hom phiaj sib cais yog kom ua kom lub siab huv ntawm cov hlau ferrous zoo. Ib qho piv txwv ntawm daim ntawv thov uas tuaj yeem ua qhov tseem ceeb ntawm purity ntawm cov khoom siv rov qab yog ib daim ntawv thov rov ua dua tshiab, qhov purity ntawm ferrous cov ntaub ntawv rov qab yog qhov tseem ceeb hauv kev txiav txim siab nws cov nqi muag khoom. Qhov no yog vim hais tias cov nyhuv "tumbling" tuaj yeem tso cov khoom tsis sib nqus. Txawm li cas los xij, qhov no txhais tau hais tias cov nqi rov qab ntawm cov hlau ferrous tej zaum yuav qis dua me ntsis.

Feem ntau, cov hlau nplaum sib nqus siv cov axial teb rov qab ferrous hlau los ntawm kev rov ua dua tshiab. Bunting cov khoom uas siv axial magnetic teb muaj xws li cov hlau nplaum tas li, electro-nruas hlau nplaum, thiab cov hlau nplaum rub.

Axial magnetic teb ncav cuag qhov dav ntawm lub teb sib nqus sib nqus sib cais. Thaum cov khoom siv hlau nplaum nkag mus rau hauv lub tshav pob, nws tau nyiam mus rau qhov chaw siab tshaj plaws sib nqus - lub npe hu ua tus ncej - tab sis tom qab ntawd, cov lus tsa suab ntawm lub conveyor lossis nruas rub cov khoom los ntawm thaj chaw tsis muaj zog ntawm thaj chaw nyob nruab nrab ntawm ob ncej ua ntej nws. nws thiaj li nyob rau lwm tus ncej.

Ib qho axial magnetic teb yog qhov zoo tshaj plaws thaum lub sib nqus sib nqus yuav tau ntes cov khoom siv uas tsis yog hlau nplaum. Vim tias qhov txav ntawm cov ncej, cov khoom tsis sib nqus yuav raug tso tawm raws li cov khoom sib nqus "tumbles" hauv daim teb. Qhov downside ntawm hom magnetic teb no yog tias nws muaj peev xwm txo qis kev sib cais.

Ib qho axial magnetic teb yog qhov zoo tshaj plaws rau cov ntawv thov uas lub hom phiaj sib cais yog kom ua kom lub siab huv ntawm cov hlau ferrous zoo. Ib qho piv txwv ntawm daim ntawv thov uas tuaj yeem ua qhov tseem ceeb ntawm purity ntawm cov khoom siv rov qab yog ib daim ntawv thov rov ua dua tshiab, qhov purity ntawm ferrous cov ntaub ntawv rov qab yog qhov tseem ceeb hauv kev txiav txim siab nws cov nqi muag khoom. Qhov no yog vim hais tias cov nyhuv "tumbling" tuaj yeem tso cov khoom tsis sib nqus. Txawm li cas los xij, qhov no txhais tau hais tias cov nqi rov qab ntawm cov hlau ferrous tej zaum yuav qis dua me ntsis.

Feem ntau, cov hlau nplaum sib nqus siv cov axial teb rov qab ferrous hlau los ntawm kev rov ua dua tshiab. Bunting cov khoom uas siv axial magnetic teb muaj xws li cov hlau nplaum tas li, electro-nruas hlau nplaum, thiab cov hlau nplaum rub.

Radial Sib Nqus Field
Nyob rau hauv lub radial magnetic teb, ncej khiav nyob rau hauv tib txoj kev uas lub conveyor los yog nruas yog rotating thiab ua raws li cov ndlwg ntawm cov khoom. Magnetically susceptible khoom yuav attracted rau cov ncej, lub siab tshaj plaws cov ntsiab lus ntawm magnetic siv, thiab tuav nyob rau ntawd kom txog thaum nws yog dragged tawm ntawm magnetic teb.

Ib qho radial magnetic teb yog qhov zoo tshaj plaws thaum lub hom phiaj yog txhawm rau ua kom cov hlau nplaum sib nqus ntau tshaj plaws los ntawm cov khoom siv. Ib qho piv txwv ntawm ib daim ntawv thov uas yuav nrhiav kev cais qhov siab tshaj plaws ntawm cov hlau nplaum yog ib daim ntawv thov cov ntxhia uas ferrous tramp hlau yuav tsum tau muab tshem tawm ntawm cov khoom ntws kom tsis txhob kis cov khoom. Lub downside ntawm ib tug radial magnetic teb yog hais tias nws yog ua tau rau lub entrapment ntawm non-magnetics tshwm sim, uas yuav txo tau cov purity theem ntawm cov zoo li qub hlau uas yog thaum kawg sib cais tawm.

Cov hlau nplaum sib nqus nrog cov qauv tsim hluav taws xob sib nqus feem ntau pom muaj nyob rau hauv daim ntawv thov kev siv cov ntxhia, xws li cov khoom siv hlau nplaum rov qab, thiab hauv qee qhov kev siv rov ua dua tshiab, xws li tshem cov hlau ferrous.

Bunting khoom siv radial magnetic teb tsim muaj xws li nruas hlau nplaum, pulley hlau nplaum, tsis tshua muaj lub ntiaj teb yob cais, thiab induced magnetic yob separators.

Txoj Cai Xaiv
Thaum koj txiav txim siab hom magnetic teb los siv rau hauv ib daim ntawv thov, nws yog ib qho tseem ceeb uas yuav tau xav txog tej yam tseem ceeb, xws li:
• Muaj peev xwm uas feem ntau txiav txim siab lub nra hnyav.
• Lub hom phiaj ntawm kev sib cais: Koj puas yuav tsum ua qhov tseem ceeb ntawm kev rov qab los yog tshem tawm cov khoom siv ferrous raws li koj lub hom phiaj tseem ceeb ntawm kev sib cais?
• Yog tias koj xav txog qhov tseem ceeb ntawm kev rov qab los, xav txog koj lub hom phiaj purity rau cov hlau koj rov qab los.
• Yog tias koj ua qhov tseem ceeb ntawm kev tshem tawm, xav txog kev sib cais lub hom phiaj ntawm cov khoom ferrous.
• Qhov luaj li cas ntawm cov ferrous thiab non-metallic hlau uas koj tuav yog dab tsi?

Magnetization kev taw qhia yog siv los piav qhia txog kev taw qhia ntawm tus ncej hlau nplaum hauv cov hlau nplaum. Cov kev taw qhia magnetization yog txiav txim ua ntej cov hlau nplaum yog magnetized. Nws tsis yog tshuav rau lub caij nyoog vim nws txiav txim siab seb cov hlau nplaum siv li cas. Txhawm rau kom nkag siab yuav ua li cas cov hlau nplaum tshwj xeeb yog siv tau zoo tshaj plaws, nws yog ib qho tseem ceeb uas yuav tau kawm nws cov kev taw qhia magnetization. Cov hlau nplaum tas mus li yog cov hlau nplaum uas, ib zaug hlau nplaum, ib txwm khaws lawv cov hlau nplaum. Cov hlau nplaum tas mus li tsim lawv qhov chaw sib nqus. Lawv tsis nyob ntawm lwm qhov chaw xws li hluav taws xob los tsim lawv qhov chaw sib nqus. Yog li ntawd, lawv yog magnetized tas li. Cov hlau nplaum tas mus li feem ntau yog tsim los ntawm cov khoom siv ferromagnetic. Cov ntaub ntawv no yog cua sov ntawm qhov kub siab heev. Qhov no ua rau cov khoom siv cov khoom sib nqus nyob rau hauv tib txoj kev raws li sab nraud magnetic teb. Tom qab cua sov, cov khoom tuaj yeem txias, thiab cov chaw sib nqus sib nqus tau ruaj khov.

Anisotropic Magnets
Anisotropic hlau nplaum yog cov hlau nplaum uas nws cov khoom sib nqus yog nruj nreem khi rau lawv cov kev taw qhia magnetization. Nyob rau hauv qhov tseeb, lawv muaj ntau theem ntawm hlau nplaum nyob rau hauv sib txawv magnetization cov lus qhia. Thaum magnetized, lawv tau ua raws li lawv cov kev taw qhia magnetization yav tom ntej. Cov hlau nplaum no muaj cov kev taw qhia zoo dua magnetization. Tawm ntawm qhov kev taw qhia no, lawv tsis tuaj yeem raug hlau nplaum. Qhov zoo ntawm hom hlau nplaum no yog tias nws muaj zog dua li cov hlau nplaum isotropic.

Isotropic Magnets
Cov hlau nplaum Isotropic tsis muaj lawv cov khoom sib nqus nruj nreem rau lawv cov kev taw qhia magnetization. Lawv tsis muaj cov kev taw qhia magnetization nyiam, thiab magnetization tuaj yeem tshwm sim hauv txhua qhov kev taw qhia. Lub zog sib nqus ntawm cov hlau nplaum isotropic feem ntau yog nyob rau hauv cov kev taw qhia ntawm magnetization. Thaum lub sij hawm tsim khoom, cov hlau nplaum isotropic tsis tau taw qhia nyob rau hauv ib qho kev taw qhia. Lawv feem ntau muaj zog sib nqus tsawg dua li cov hlau nplaum anisotropic. Txawm li cas los xij, lawv tsis tshua kim dua li cov hlau nplaum anisotropic.

Magnetization Direction for Permanent Magnets
Muaj peb qhov kev taw qhia loj magnetization rau cov hlau nplaum ruaj khov.
Peb qhov loj Tmagnetization cov lus qhia rau cov hlau nplaum ruaj khov

Axial Magnetization Direction
Axial magnetization yog qhia raws qhov ntev ntawm cov hlau nplaum. Hauv axial magnetization, cov hlau nplaum yog magnetized raws ib axis. Nws yog hom nrov tshaj plaws ntawm magnetization. Yog hais tias ib tug cylindrical hlau nplaum muaj ib tug axial magnetization kev taw qhia, nws txhais tau hais tias cov hlau nplaum yuav nyob rau ntawm lub tiaj tus ntawm cov hlau nplaum. Qhov no txhais tau hais tias ib lub hlau nplaum magnetized nyob rau hauv cov kev taw qhia no yuav ua tau zoo dua thaum lub tiaj tiaj nyob ze ntawm cov khoom koj xav kom nyiam.

Diametrical Magnetization Direction
Nyob rau hauv sib piv rau axial magnetization kev taw qhia, diametric magnetization kev taw qhia tshwm sim raws qhov dav lossis txoj kab uas hla ntawm cov hlau nplaum. Hauv diametrical magnetization, cov ncej yog nyob rau sab nkhaus ntawm cov hlau nplaum yog tias cov hlau nplaum yog cylindrical. Qhov no txhais tau tias cov hlau nplaum yuav ua tau zoo dua yog tias sab nkhaus yog nyob ze ntawm cov khoom koj xav kom nyiam.

Radial Magnetization Direction
Radial magnetization directs magnetization nyob rau sab nraud thiab sab hauv diameters ntawm cov hlau nplaum. Nws feem ntau yog siv rau cov hlau nplaum zoo li lub nplhaib.

Magnetization Direction Testing
Puas tau xav txog qhov kev taw qhia magnetization? Qhov kev sim yooj yim no tuaj yeem pab koj txiav txim siab nws. Thaum koj tso cov khoom siv ferromagnetic ze rau cov hlau nplaum thiab xav tias muaj zog rub ntawm nws qhov kawg, nws yog axially magnetized. Yog tias, txawm li cas los xij, qhov rub tawm muaj zog ntawm ob sab ntawm cov hlau nplaum, ces cov hlau nplaum yog diametrically magnetized.

Hom Permanent Magnets thiab lawv daim ntawv thov
Los ntawm hard drives mus rau TV thiab transducers. Cov hlau nplaum tas mus li muaj ntau yam kev siv thiab ntau hom. Ntau hom hlau nplaum ruaj khov tuaj yeem muaj ib qho ntawm cov lus qhia ntawm cov hlau nplaum ruaj khov tau piav qhia saum toj no.

Alnico
Alnico hlau nplaum yog tsim los ntawm txhuas, npib tsib xee, thiab cobalt, thiab tej zaum kuj muaj xws li me me ntawm tooj liab thiab hlau. Cov hlau nplaum tas mus li no feem ntau ua rau corrosion thiab muaj zog txhua yam. Lawv feem ntau yog anisotropic thiab siv rau microphones, hluav taws xob motors, thiab sensors.

Ferrite
Ferrite hlau nplaum tuaj yeem yog isotropic lossis anisotropic. Lawv yog tsim los ntawm cov tebchaw xws li strontium oxide thiab hlau trioxide. Qee zaum, cov khoom xws li cobalt thiab lanthanum raug pov rau hauv kev sib xyaw. Cov hlau nplaum no feem ntau siv nyob rau hauv cov suab nrov, cov cuab yeej kho mob, thiab kev ruaj ntseg.

Samarium Cobalt
Samarium Cobalt hlau nplaum yog cov hlau nplaum ruaj khov nrog cov hlau nplaum muaj zog. Lawv yog cov hlau nplaum uas tsis tshua muaj ntiaj teb thiab tiv taus qhov kub thiab txias. Cov hlau nplaum no feem ntau yog anisotropic. Lawv feem ntau yog siv rau cov tshuab hluav taws xob, lub tshuab hluav taws xob, thiab cov khoom siv kho mob.

Neodymium hlau boron
Neodymium Iron Boron Magnets muaj qhov nyiam sib nqus kev taw qhia. Lawv feem ntau pom anisotropy. Lawv tuaj yeem sib nqus axially, diametrically, lossis radially. Neodymium Iron Boron hlau nplaum feem ntau yog siv hauv MRI scanners, cov cuab yeej kho hniav, hniav nyiaj hniav kub, thiab khoom siv kho mob.