Magnetsyog ib qho tseem ceeb nyob rau hauv ntau yam khoom uas peb siv niaj hnub, pab lawv ua hauj lwm los ntawm kev ua magnetic teb. Nrog cov hlau nplaum tsim nyog, koj tuaj yeem tsim cov khoom sib nqus muaj zog heev. Tab sis yog tias koj xaiv cov hlau nplaum tsis ncaj ncees lawm, qhov koj tsim yuav tsis muaj zog, tawg yooj yim, lossis tseem muaj kev phom sij.
Yog li, koj yuav txiav txim siab seb qib hlau nplaum twg yog qhov zoo rau koj daim ntawv thov? Ob ntawm cov khoom siv hlau nplaum uas muaj zog tshaj plaws siv niaj hnub no yog qib neodymium N52 thiab N42. Tab sis qhov txawv li cas? Qhov twg yog qhov zoo dua thiab vim li cas? Hauv qab no, peb yuav sib piv N52 vs N42 hlau nplaum los pab koj xaiv qhov kev xaiv zoo rau koj cov kev xav tau.
Kev Taw Qhia rau Neodymium Magnets
Niaj hnub nimno neodymium-hlau-boron hlau nplaum yog cov hlau nplaum uas muaj zog tshaj plaws muag niaj hnub no. Lawv kuj tseem hu ua NdFeB hlau nplaum. Lawv tau tsim los ntawm kev sib xyaw ua ke ntawm neodymium, hlau, thiab boron hlau. Cov txheej txheem tsim khoom siab tshaj plaws yog siv los ua kom lawv lub peev xwm sib nqus kom siab tshaj plaws.
Qee qhov tseem ceeb ntawm cov hlau nplaum neodymium:
● Cov hlau nplaum muaj zog heev rau lawv qhov loj me
● Siab coercivity, txhais tau tias lawv tiv thaiv demagnetization
● Muaj peev xwm ua haujlwm ntawm qhov kub siab txog ~ 80 degree txog 130 degree
● Tsawg nqi ib qho chaw sib nqus zog dua samarium cobalt hlau nplaum
Neodymium hlau nplaum tau los ua lag luam nyob rau hauv thaum ntxov 1980s thiab sai sai revolutionized ntau industries vim lawv unmatched magnetic zog.
Qib ntawm Neodymium Magnets
Tsis yog tag nrho cov hlau nplaum neodymium yog tsim sib npaug. Lawv tau tsim nyob rau hauv ntau qib uas txiav txim siab lawv lub zog sib nqus. Tus lej qhia txog qib - tus lej siab dua, qhov muaj zog ntawm cov hlau nplaum.
(Qib ntawm Neodymium Magnets)
Qee cov qib neodymium hlau nplaum yog:
● N52 - Qib siab tshaj ntawm cov hlau nplaum neodymium uas muag niaj hnub no nrog kev ntsuas Br max ntawm ib ncig ntawm 14 MGOe (MegaGauss Oersted). N52 muaj lub zog sib nqus zoo tshaj plaws.
● N50 - Qib qis dua N52 me ntsis tab sis muaj cov khoom zoo sib xws.
● N48 - Cov qib neodymium hlau nplaum nrov tshaj plaws muab qhov sib npaug zoo ntawm cov hlau nplaum sib nqus thiab tus nqi.
● N45 – Mid-range neodymium hlau nplaum. Nws yog tus nqi qis dua tab sis kwv yees li 30% tsawg zog dua N52.
● N42 - Tsawg rau nruab nrab-ntau neodymium hlau nplaum nrog qis sib nqus zog dua N45 thiab N48.
● N38 - qib qis neodymium hlau nplaum. Pheej yig tab sis kev ua haujlwm tsis muaj zog.
Hauv cov ntsiab lus, cov lej siab dua qhia cov hlau nplaum muaj zog dua. Qib siab tshaj neodymium hlau nplaum muag tam sim no yog N52.
N52 hlau nplaum
N52 sawv cev highest-zoo neodymium hlau nplaum ntawm lub khw. Dab tsi ua rau lawv sib cais?
● Lub zog siab tshaj plaws
N52 neodymium hlau nplaum muaj qhov siab tshaj plaws sib nqus zog ceev, ntsuas hauv MegaGauss Oersted (MGOe). Lawv muab qhov Br max (residual induction) ntsuas ntawm ib ncig ntawm 14 MGOe.
Qhov no txhais tau tias N52 hlau nplaum tsim cov hlau nplaum muaj zog tshaj plaws rau lawv qhov loj. Koj tuaj yeem tsim cov khoom sib nqus zoo kawg, muaj zog sib nqus nrog N52- qib hlau nplaum.
● Kev Tiv Thaiv Kub Zoo heev
N52 hlau nplaum tsim tau zoo khaws lawv lub zog sib nqus zoo, txawm tias nyob hauv qhov kub txog li ~ 80 degree txog 130 degree.
Lawv tuav qhov kub coefficient ntawm kwv yees li -0.12% / degree, tso cai rau lawv ua haujlwm txhua hnub ntawm qhov kub siab tshaj qhov qis dua.
● Kev tiv thaiv zoo tshaj plaws rau Demagnetization
N52 neodymium hlau nplaum muaj siab intrinsic coercivity (Hci) ntawm ib ncig ntawm 16 kOe (kilo Oersteds). Qhov no txhais tau tias lawv tiv thaiv demagnetization los ntawm sab nraud magnetic teb los yog cuam tshuam.
Koj tuaj yeem siv cov hlau nplaum N52 hauv cov ntawv thov uas lawv muaj kev demagnetizing rog thiab tseem xav tias kev ua tau zoo ntawm cov hlau nplaum zoo heev. Qib no ntawm neodymium muaj kev ruaj ntseg zoo tshaj plaws tiv thaiv demagnetization.
N52 sawv cev rau kev ua haujlwm siab tshaj ntawm cov khoom lag luam muaj neodymium hlau boron hlau nplaum niaj hnub no. Lawv muab lub zog siab tshaj plaws, qhov kub thiab txias tsis kam, thiab ua rau cov teebmeem demagnetization.
(N52 Magnets)
N42 hlau nplaum
N42 yog qib qis ntawm neodymium hlau nplaum nyob nruab nrab ntawm N45 thiab N38 qib. Nov yog nws cov yam ntxwv:
● Tsawg Sib Nqus Zog Zog
Br max ntsuam xyuas rau N42 hlau nplaum ntog ib ncig ntawm 12.5 rau 13 MGOe. Qhov no txhais tau tias N42 muaj lub zog ceev kwv yees li 10-15% qis dua N52 neodymium hlau nplaum.
● Ntau qhov ntsuas kub tsawg
Kev khiav hauj lwm kub ntau rau N42 hlau nplaum yog nqaim dua piv rau N52. Qhov kub siab tshaj ~ 80 degree tuaj yeem pib degrade lub zog sib nqus ntawm N42- qib hlau nplaum sai.
● Lower Demagnetization Resistance
Nrog rau kev sib tw ntawm ib ncig ntawm 10.8 txog 12 kOe, N42 hlau nplaum muaj qis demagnetization tsis kam tshaj N52. Lawv poob lawv cov hlau nplaum sai dua thaum raug cov hlau nplaum sab nraud los yog cuam tshuam.
N42-qib neodymium hlau nplaum muaj qhov txo qis kev sib nqus piv rau N52 hauv lub zog ntom ntom, kub tsis kam, thiab demagnetization kuj. Lawv sawv cev rau qib qis nruab nrab.
(N42 hlau nplaum)
N52 vs N42 sib piv
Tam sim no, cia peb ncaj qha piv qhov sib txawv ntawm N52 thiab N42 neodymium hlau nplaum qib:
Yam | N52 | N42 |
Corrosion Resistance | Thick Nickel Copper Nickel txheej | Ib txwm Nickel Copper Nickel txheej |
Mechanical Strength | Muaj zog heev | Muaj zog |
Ua haujlwm kub | Txog li 80 degree | Txog li 80 degree |
Nqi | kim | Nqis |
Muaj | Muaj tsawg | Muaj dav |
Magnetization | High saturation ntawm kev tsim khoom | Tsawg saturation |
Field Strength | Siab | Tsawg |
Br | Siab | Tsawg |
Hc | Siab | Tsawg |
Daim ntawv thov | nyuaj | Lub Hom Phiaj |
Xav txog cov ntaub ntawv saum toj no, N52 muab kev ua tau zoo dua tab sis los ntawm tus nqi hwm. N42 muaj peev xwm siv tau rau ntau qhov kev siv ntawm tus nqi qis tab sis muaj qhov txwv kev ua tau zoo piv rau qib N52 qib neodymium hlau nplaum.
Thaum twg xaiv N52 Magnets?
N52 neodymium hlau nplaum muab hnub no lub zog siab tshaj plaws, kub stability, thiab demagnetization kuj. Nov yog qee qhov kev siv ntau tshaj plaws uas qib N52 raug pom zoo:
1. Kev sib sau ua ke muaj zog
N52 hlau nplaum muab cov hlau nplaum muaj zog tshaj plaws niaj hnub no. Rau kev tsim cov khoom sib nqus sib nqus zoo xws li lifters, separators, tuav, thiab couplings, N52 yog qhov kev xaiv tseem ceeb. Cov hlau nplaum qis dua li N42 yuav muaj teeb meem ua kom cov hlau nplaum loj, muaj zog sib dhos.
2. Qhov kub thiab txias ib puag ncig
Yog tias ua tau, txhua daim ntawv thov nrog cov hlau nplaum raug kub siab tshaj 80 degree yuav tsum siv N52- qib neodymium. N42 hlau nplaum ua rau tsis ruaj khov thiab poob lub zog sib nqus sai sai hauv cov xwm txheej kub tshaj li 80 degree.
3. Kev ruaj ntseg, kev nyab xeeb, thiab qhov tseeb
Hauv cov tshuab uas demagnetization ua rau muaj kev pheej hmoo ntawm cov cuab yeej tsis ua haujlwm, raug mob rau cov neeg siv, lossis tsis muaj qhov tseeb, cov hlau nplaum thermally ruaj khov N52 tau pom zoo. Qhov no suav nrog cov khoom xws li latches, sensors, motors, thiab scientific instruments.
4. Maximal Power Density
N52 enables cov creation ntawm cov compact, sib nqus sib nqus sib dhos ua tau. Yog li ntawd, nyob rau hauv cov ntawv thov uas qhov tsawg thiab qhov hnyav yog qhov tseem ceeb, xws li lub cev muaj zog lossis cov khoom siv hluav taws xob, N52 tuaj yeem ua kom lub zog ntom ntom ntom ntom ntom ntom ntom ntom ntom ntom ntom ntom ntom ntom ntom ntom ntom.
5. Kev txuag nyiaj rau lub neej
Txawm hais tias muaj tus nqi pib yuav ntau dua, N52 hlau nplaum tuaj yeem txuag nyiaj hauv lub sijhawm ntev rau cov ntawv thov uas xav tau cov hlau nplaum ruaj khov heev. Qhov no yog ua tsaug rau lawv zoo heev demagnetization kuj thiab thermal stability. Tsawg dua cov hlau nplaum hloov yuav tsum tau ua dhau lub neej ua haujlwm.
Thaum xaiv N42 Qib
Thaum N52 hlau nplaum yog qhov kev xaiv tseem ceeb hauv ntau lub sijhawm, N42 qib kuj muaj nws qhov chaw rau kev siv nyiaj ntau dua:
1. Kev sib dhos fais fab qis
Rau cov sib nqus sib nqus yooj yim uas tsis tas yuav muaj cov hlau nplaum muaj zog, xws li tuav cov cim lossis cov cuab yeej sib nqus, N42 qib tuaj yeem txaus ntawm tus nqi qis.
2. Kev siv chav tsev kub
Yog tias koj cov hlau nplaum nyob ze ntawm chav tsev kub ntawm 20 degree txog 25 degree, qib N42 tuaj yeem muab kev ruaj ntseg txaus thiab kev ua haujlwm rau tus nqi qis.
3. Prototyping
Thaum lub sij hawm prototyping theem, N42 tso cai rau kev sim sib nqus sib nqus ntawm tus nqi qis ua ntej ua tiav cov qauv tsim nyob ib puag ncig hwm N52 hlau nplaum.
4. Kev Kawm Txuj Ci
Kev ua yeeb yam hauv tsev kawm ntawv thiab cov haujlwm nyiam ua haujlwm tsom mus rau qhov tseem ceeb es tsis yog kev ua haujlwm tuaj yeem siv cov hlau nplaum N42 pheej yig dua rau kev yooj yim.
5. Cov khoom lag luam raug nqi
Rau cov neeg siv khoom lag luam siab xws li cov hlau nplaum tub yees yooj yim, cov neeg hais lus, lossis cov khoom ua si uas yuav tsum tau ua haujlwm tsawg tab sis cov nqi tseem ceeb, N42 qib pab ntaus nqi qis.
Yog li, N42 hlau nplaum tuaj yeem yog qhov kev xaiv ntse tshaj tus nqi N52 lwm txoj hauv kev rau cov ntawv thov tsawg dua qhov kev txuag nqi ntau dua kev ua haujlwm. Tsuas yog paub txog lawv qhov kev txwv kev ua haujlwm piv rau cov qib siab dua.
FAQs txog N52 vs N42
Qee cov lus nug ntau txog N52 vs N42 hlau nplaum:
Koj puas tuaj yeem tsim N42 hlau nplaum muaj zog?
Tsis yooj yim. Qib sawv cev rau cov khoom siv hauv lub cev. Tab sis koj tuaj yeem npaj ntau yam N42 hlau nplaum hauv cov rooj sib tham kom mloog zoo thiab nthuav dav lawv cov teb.
Dab tsi yog qhov txawv ntawm N45 thiab N42 hlau nplaum?
N45 poob ntawm qib N48 thiab N42 - muab cov khoom nruab nrab ntawm tus nqi qis dua N48. Tab sis N42 tau pom tias muaj kev sib nqus qis dua li N45.
Puas yog N42 hlau nplaum muaj zog txaus los nqa lub tsheb?
Tsis zoo li - qhov txo qis qhov sib nqus ntawm lub zog ntawm N42 vs. N52 ua rau hnyav hnyav zoo li ntau lub tsheb loj heev uas tsis muaj qhov sib nqus loj ntawm cov hlau nplaum. Lo rau N52 kom muaj peev xwm nqa hnyav.
Koj them tus hlau nplaum N42 li cas?
Koj tsis tuaj yeem "recharge" depleted neodymium hlau nplaum. Tab sis koj tuaj yeem muaj peev xwm remagnetize thiab ib nrab rov ua kom tsis muaj zog N42 hlau nplaum los ntawm kev ua tib zoo raug rau cov hlau nplaum muaj zog. Ua tib zoo saib xyuas kom tsis txhob tawg.
Xaus
Txawm hais tias koj xav tau lub zog sib nqus qhov kawg ntawm N52 qib neodymium lossis tus nqi txuag ntawm nruab nrab N42 nyob ntawm koj daim ntawv thov thiab kev txwv. Xav txog koj qhov project lub zog, ruaj khov, thiab pob nyiaj siv, thiab xaiv cov qib uas sib npaug zoo tshaj plaws thiab muaj txiaj ntsig rau koj cov kev xav tau.
Nrog rau kev nkag siab meej txog lawv cov peev xwm, koj tuaj yeem siv ob qib no ntau yam neodymium hlau nplaum rau tag nrho koj cov haujlwm sib nqus sib nqus. Thiab yog tias koj tseem tsis paub meej tias qhov twg yog qhov zoo dua, tsis txhob yig tham nrog tus kws tshaj lij txog cov kev xaiv uas haum rau koj daim ntawv thov.