Yuav Cov Hlau Nplaum? Nov yog Cov Lus Qhia Ncaj Qha Uas Koj Xav Tau

Kev Sib Tw Mus Rau Hauv Lub Ntiaj Teb ntawm Cov Hlau Nplaum Mus Ib Txhis

Yog tias koj tab tom nrhiav cov hlau nplaum rau ib qhov project, tej zaum koj yuav pom koj tus kheej raug dej nyab los ntawm cov lus qhia txog kev siv tshuab thiab cov lus tshaj tawm muag khoom zoo nkauj. Cov lus zoo li "N52" thiab "lub zog rub" raug muab pov tseg txhua lub sijhawm, tab sis dab tsi tseem ceeb thaum nws los txog rau kev siv hauv ntiaj teb tiag tiag? Cia peb hla qhov fluff thiab pib ua lag luam. Qhov no tsis yog tsuas yog kev xav hauv phau ntawv xwb; nws yog qhov kev txawj ntse uas tau khwv tau los ntawm ntau xyoo ntawm kev xaiv cov hlau nplaum rau cov haujlwm hauv av, nrog rau kev tsom mus rau qhov ua haujlwm uas koj yuav ncav cuag rau feem ntau: cov hlau nplaum neodymium bar.

Cov Ntawv Qhia Txog Magnet - Xaiv Koj Pab Neeg

Xav txog cov hlau nplaum tas mus li ua cov khoom siv hauv tsev sib txawv - txhua tus muaj nws tus kheej lub hom phiaj siv, thiab xaiv qhov tsis raug yog ib txoj hauv kev tseeb uas yuav ua rau koj txoj haujlwm tsis ua haujlwm.

Cov Hlau nplaum Ceramic (Ferrite):Lub zog ruaj khov thiab pheej yig ntawm lub ntiaj teb hlau nplaum. Koj yuav pom lawv ua cov hlau nplaum dub hauv koj lub tsheb lub tso suab lossis tuav koj lub txee ua haujlwm kom kaw. Lawv qhov zoo tshaj plaws? Lawv yuav luag tsis nkag mus rau xeb thiab tuaj yeem raug ntaus. Kev pauv pauv? Lawv lub zog hlau nplaum tsuas yog txaus, tsis zoo kawg nkaus. Siv lawv thaum nyiaj txiag nruj thiab koj tsis xav tau lub zog tuav hnyav.

Alnico Magnets:Qhov kev xaiv zoo tshaj plaws. Ua los ntawm txhuas, nickel, thiab cobalt, lawv yog cov khoom siv uas ruaj khov thaum kub siab - yog li ntawd lawv thiaj li muaj nyob rau hauv cov twj paj nruag qub, cov pickups guitar zoo, thiab cov sensors ze ntawm lub cav. Tab sis lawv muaj qhov tsis zoo: kev co hnyav lossis lub zog sib nqus sib txawv tuaj yeem rhuav tshem lawv cov magnetism. Lawv kuj kim dua li cov hlau nplaum ceramic, ua rau lawv yog qhov kev xaiv tshwj xeeb.

Cov hlau nplaum Samarium Cobalt (SmCo):Tus kws tshwj xeeb rau kev ua haujlwm hnyav. Xav tau lub hlau nplaum uas tsis ua haujlwm thaum kub txog 300°C lossis raug tshuaj lom neeg hnyav? Qhov no yog nws. Kev lag luam aerospace thiab kev tiv thaiv them tus nqi siab rau lawv qhov kev ua haujlwm tsis muaj zog, tab sis rau 95% ntawm cov haujlwm hauv kev lag luam, lawv ua haujlwm ntau dhau.

Cov hlau nplaum neodymium (NdFeB):Tus yeej tsis muaj kev sib cav txog lub zog. Lawv yog qhov laj thawj uas peb cov khoom siv hluav taws xob tau poob qis thiab cov cuab yeej siv hauv kev lag luam tau muaj zog dua - xav txog lub hlau nplaum me me tab sis muaj zog hauv koj lub tshuab hluav taws xob tsis muaj xov hlau. Kev Ceeb Toom Tseem Ceeb: Cov hlau nplaum no yooj yim xeb. Kev tso ib qho tsis muaj txheej txheem zoo li tso ib daim hlau tawm hauv nag; kev tiv thaiv tsis yog ib qho kev xaiv - nws yog qhov tseem ceeb rau kev ciaj sia.

Cov Lus Qhia Txog Kev Siv - Dab Ntxwg Nyoog nyob rau hauv Cov Lus Qhia Ntxiv

Nov yog yuav ua li cas nyeem daim ntawv qhia txog tus kheej zoo li ib tug kws tshaj lij uas tau kawm los ntawm kev ua yuam kev kim heev.

Lub Qhov Ntsuas Qib (N-rating):Muaj tseeb tiag, tus lej N siab dua (xws li N52) txhais tau tias muaj zog dua li tus lej qis dua (N42). Tab sis ntawm no yog ib qho zais cia hauv daim teb: qib siab dua yuav tawg yooj yim dua. Kuv tau pom N52 hlau nplaum tawg hauv qab kev poob siab uas N42 yuav txhuam tawm yam tsis muaj khawb. Feem ntau, lub hlau nplaum N42 loj dua me ntsis yog qhov kev xaiv ntse dua thiab ruaj khov dua - koj tau txais lub zog rub sib piv yam tsis muaj qhov tsis yooj yim.

Lub zog rub:Zaj Dab Neeg Txog Lub Chaw Kuaj Mob vs. Lub Tsev Muag Khoom Hauv Pem Teb: Tus lej rub uas ua rau neeg xav tsis thoob ntawm daim ntawv qhia tshwj xeeb? Nws ntsuas ntawm lub thaiv hlau zoo meej, tuab, du zoo li daim iav hauv chav kuaj mob uas tswj tau huab cua. Koj daim ntawv thov? Nws yog ib lub I-beam uas pleev xim me ntsis, nkhaus me ntsis uas muaj qhov ntsuas zeb. Hauv lub ntiaj teb tiag tiag, lub zog tuav tiag tiag tuaj yeem yog ib nrab ntawm qhov uas daim ntawv teev npe hais. Txoj cai: Siv cov qauv tshwj xeeb rau kev sib piv, tab sis tsuas yog ntseeg tus qauv uas tau sim ntawm koj qhov chaw tiag tiag.

Kev Tiv Thaiv Kub:Kev Coercivity kav siab tshaj plaws: Kev Coercivity yog lub zog "nyob ruaj khov" ntawm lub hlau nplaum - nws yog qhov uas tiv thaiv nws kom tsis txhob poob lub zog magnetic thaum raug cua sov lossis sab nraud ntawm lub zog magnetic. Yog tias koj lub hlau nplaum yuav nyob ze lub cev muaj zog, hauv thaj chaw vuam, lossis ntawm lub ru tsev hlau ci los ntawm lub hnub, koj yuav tsum xaiv rau qib kub siab (saib xyuas cov ntawv tom qab xws li 'H', 'SH', lossis 'UH'). Cov hlau nplaum neodymium ib txwm pib raug kev puas tsuaj mus tas li thaum qhov kub nce siab tshaj 80 ° C (176 ° F).

Xaiv Txoj Kev Txheej Txheem Zoo - Nws yog Armor:

Nickel (Ni-Cu-Ni):Qhov tiav raws li tus qauv. Nws ci ntsa iab, pheej yig, thiab zoo meej rau kev siv qhuav, sab hauv tsev - xav txog cov khoom sib dhos lossis cov khoom siv hauv chav huv.

Txheej Epoxy/Polymer:Cov txheej pleev xim uas ruaj khov. Nws yog ib txheej matte, feem ntau muaj xim uas tiv taus kev tawg, cov kuab tshuaj, thiab cov dej noo zoo dua li nickel. Rau txhua yam uas siv sab nraum zoov, hauv lub khw tshuab, lossis ze rau cov tshuaj lom neeg, epoxy yog tib qho kev xaiv zoo. Raws li ib tug neeg laus hauv lub khw tsim khoom hais tias: "Cov ci ntsa iab zoo li zoo hauv lub thawv. Cov uas muaj epoxy coated tseem ua haujlwm tau ntau xyoo tom qab."

Vim li cas Bar Magnet yog koj tus phooj ywg zoo tshaj plaws

Cov discs thiab cov nplhaib muaj lawv cov kev siv, tab sis cov neeg txo hwj chimneodymium hlau nplaumyog lub hauv paus zoo tshaj plaws rau kev lag luam thiab DIY tej yaam num. Nws cov duab plaub fab muab lub ntsej muag ntev, tiaj tus sib nqus - zoo tagnrho rau lub zog tuav ruaj khov thiab sib npaug.

Qhov twg nws khwv tau nws cov nyiaj khaws cia:Nws cov geometry yog tsim tshwj xeeb rau kev tsim kho tshwj xeeb. Teeb lawv kom ua ib lub pas hlau nplaum rau kev khaws cov khib nyiab hlau. Muab lawv tso rau hauv lub khoom siv txhuas tshwj xeeb kom tuav cov khoom thaum lub sijhawm vuam. Siv lawv ua cov khoom siv hauv cov sensors sib ze. Lawv cov npoo ncaj cia koj tsim cov khoom sib nqus ntom ntom thiab muaj zog rau kev tsa lossis tuav cov khoom hnyav.

Cov Lus Qhia Txog Kev Yuav Khoom Ntau Ntau Uas Txhua Tus Neeg Tsis Nco Qab:Thaum koj xaj 5,000 daim, koj tsis tuaj yeem hais tias "2-nti bar." Koj yuav tsum qhia meej txog qhov ntev (piv txwv li, 50.0mm ± 0.1mm). Ib pawg ntawm cov hlau nplaum uas tsis sib xws yuav tsis haum rau hauv koj cov qhov machined, thiab qhov ntawd tuaj yeem ua rau tag nrho cov khoom sib dhos puas tsuaj. Cov neeg muag khoom muaj koob npe yuav ntsuas thiab lees paub cov kev kam rau siab no - tsis txhob txaus siab rau qhov tsawg dua.

Kev Nyab Xeeb: Tsis Sib Tham Tau:

         Kev phom sij ntawm kev ntswj/tsoo:Cov hlau nplaum neodymium loj heev tuaj yeem sib txuas ua ke nrog lub zog txaus los tsoo cov pob txha. Ib txwm tuav lawv ib leeg thiab nrog kev ceev faj heev.

         Kev Pheej Hmoo ntawm Kev Puas Tsuaj Hluav Taws Xob:Cov hlau nplaum no tuaj yeem ua rau daim npav rho nyiaj, cov hard drive, thiab lwm yam khoom siv hlau nplaum puas tsuaj tag. Tsis tas li ntawd xwb, lawv tuaj yeem cuam tshuam kev ua haujlwm ntawm lub plawv dhia los ntawm qhov deb heev.

         Cov Lus Qhia Txog Kev Khaws Cia:Khaws cov hlau nplaum neodymium rau hauv txoj kev uas tiv thaiv lawv kom tsis txhob kov ib leeg - cov ntawv cais lossis cov qhov sib cais ua haujlwm zoo rau qhov no.

         Kev Ceeb Toom Txog Kev Nyab Xeeb ntawm Kev Vuam:Qhov no yog ib txoj cai uas tsis sib haum: Tsis txhob siv lub hlau nplaum neodymium nyob ze rau qhov chaw vuam hlau uas ua haujlwm. Lub zog sib nqus tuaj yeem ua rau lub hlau nplaum ya mus rau hauv qhov kev taw qhia uas muaj kev kub ntxhov, tsis paub tseeb, ua rau tus neeg vuam hlau muaj kev phom sij loj heev.

Ua Haujlwm nrog Tus Neeg Muab Khoom - Nws yog Kev Koom Tes

Koj lub hom phiaj tsis yog tsuas yog yuav cov hlau nplaum xwb; nws yog daws teeb meem. Kho koj tus neeg muag khoom ua tus khub hauv cov txheej txheem ntawd. Qhia cov ntsiab lus tseem ceeb ntawm koj qhov project: "Qhov no yuav ntsia rau ntawm lub forklift, npog nrog cov kua hydraulic, thiab ua haujlwm ntawm -10 ° C txog 50 ° C."

Ib tug neeg muag khoom zoo yuav nug cov lus nug tom qab kom nkag siab txog koj cov kev xav tau. Ib tug zoo yuav thawb rov qab yog tias koj ua yuam kev: "Koj tau thov N52, tab sis rau qhov kev poob siab ntawd, cia peb tham txog N42 nrog lub tsho epoxy tuab dua." Thiab ib txwm - ib txwm - tau txais cov qauv lub cev ua ntej. Muab lawv los ntawm lub wringer hauv koj tus kheej ib puag ncig: ntub lawv hauv cov kua, tso rau hauv qhov kub thiab txias heev, sim lawv kom txog thaum lawv ua tsis tiav. Ob peb puas duas las siv rau cov qauv yog qhov pheej yig tshaj plaws uas koj yuav tau yuav tawm tsam kev puas tsuaj tsim khoom tsib tus lej.

Cov lus qhia tseem ceeb: Los ntawm kev saib dhau qhov kev qhia tshwj xeeb thiab tsom mus rau kev ua haujlwm ruaj khov, kev ua haujlwm raug, thiab kev koom tes tiag tiag nrog koj tus neeg muag khoom, koj yuav siv tag nrho lub zog ntawm cov hlau nplaum - tshwj xeeb tshaj yog cov hlau nplaum neodymium bar - los tsim cov kev daws teeb meem uas tsis yog tsuas yog muaj zog xwb, tab sis txhim khu kev qha thiab muaj kev nyab xeeb rau ntau xyoo tom ntej.

Koj puas xav kom kuv ntxiv ib ntu txog cov cim qhia txog kev nyab xeeb uas yuav tsum tsis txhob muaj thaum xaiv cov khoom siv hlau nplaum kom ua rau tsab xov xwm no muaj txiaj ntsig zoo rau koj cov neeg nyeem?