Txhua pawg

NTAUB NTAWV COV NTAUB NTAWV

  • Keeb kwm yav dhau los thiab Keeb Kwm
  • tsim
  • Hlau Nplaum Xaiv
  • Deg Kho
  • Hlau nplaum
  • Dimension Range, Qhov loj me thiab kam rau ua
  • Lub hauv paus ntsiab lus kev nyab xeeb rau kev tuav haujlwm

Keeb kwm yav dhau los thiab Keeb Kwm

Cov hlau nplaum ruaj khov yog qhov tseem ceeb ntawm lub neej tshiab. Lawv tau pom hauv lossis siv los tsim khoom yuav luag txhua qhov yooj yim niaj hnub no. Thawj cov hlau nplaum ruaj khov tau tsim tawm los ntawm ib txwm tshwm sim cov pob zeb hu ua lodestones. Cov pob zeb no tau kawm ua ntej 2500 xyoo dhau los los ntawm Suav thiab tom qab ntawd los ntawm cov neeg Greek, uas tau txais lub pob zeb los ntawm lub xeev Magnetes, los ntawm cov ntaub ntawv tau txais nws lub npe. Txij thaum ntawd los, cov cuab yeej ntawm cov ntaub ntawv sib nqus tau zoo tau txais txiaj ntsig zoo thiab niaj hnub no d li s cov khoom siv hlau nplaum ruaj khov muaj ntau pua lub sijhawm muaj zog dua li cov hlau nplaum ntawm cov khoom qub. Lub sij hawm tas mus li cov hlau nplaum los ntawm qhov muaj peev xwm ntawm cov hlau nplaum los tuav kev ntxias lub zog tom qab nws tshem tawm los ntawm cov khoom siv hlau nplaum. Cov cuab yeej zoo li no yuav yog lwm cov hlau nplaum ruaj khov, hlau nplaum lossis cov kav hlau ntawm cov hlau uas tsuas yog luv luv nrog hluav taws xob. Lawv lub peev xwm los tuav lub zog sib nqus ua rau lawv muaj txiaj ntsig rau kev tuav cov khoom hauv qhov chaw, hloov hluav taws xob mus rau qhov ua kom muaj zog thiab hloov ua lwm yam (lub cav thiab cov tshuab tsim hluav taws xob), lossis cuam tshuam rau lwm yam khoom nqa tuaj ze lawv.


«Rov qab rau sab saum toj

tsim

Kev sib nqus hlau nplaum ntau dua yog kev ua haujlwm ntawm lub zog sib nqus zoo. Rau cov neeg siv khoom uas xav tau kev pab tsim qauv lossis kev tsim qauv hauv Circuit Court, QM's pab neeg ntawm cov paub daim ntawv engineers thiab paub teb muag engineers yog nyob rau ntawm koj cov kev pab cuam. QM cov kws tsim choj ua haujlwm nrog cov neeg siv khoom los txhim kho lossis siv cov qauv uas twb muaj lawm ntxiv nrog rau kev tsim cov qauv tshiab uas tsim cov khoom sib nqus tshwj xeeb. QM tau tsim patented sib nqus tsim uas xa tsis tshua muaj zog, cov teeb tsa lossis tshwj xeeb cov duab sib nqus tshwj xeeb uas feem ntau hloov tua loj thiab tsis muaj zog ntawm electro-magnet thiab cov hlau nplaum ruaj khov tsim. Cov neeg siv khoom lag luam muaj kev ntseeg siab thaum hey coj lub tswvyim piav qhia lossis lub tswv yim tshiab uas QM yuav ua tau raws li qhov kev sib tw los ntawm kev kos duab los ntawm 10 xyoo ntawm kev ua haujlwm sib nqus. QM tau muaj cov neeg, khoom lag luam thiab thev naus laus zis uas muab hlau nplaum ua haujlwm.


«Rov qab rau sab saum toj

Hlau Nplaum Xaiv

Hlau nplaum xaiv rau txhua daim ntawv thov yuav tsum xav txog tag nrho cov kab sib nqus thiab ib puag ncig. Qhov twg Alnico yog qhov tsim nyog, cov hlau nplaum loj tuaj yeem txo me me yog tias nws tuaj yeem ua tau magnetizing tom qab sib dhos mus rau hauv cov sib nqus. Yog hais tias siv ywj siab ntawm lwm lub rooj sib txig hauv Circuit Court, xws li hauv kev siv ruaj ntseg, qhov ntev ntev mus rau txoj kab uas hla piv (muaj feem xyuam nrog permeance coefficient) yuav tsum muaj qhov zoo txaus ua rau cov hlau nplaum ua haujlwm saum toj lub hauv caug hauv nws qhov thib plaub qog demagnetization nkhaus. Rau cov ntawv thov tseem ceeb, Alnico cov hlau nplaum yuav raug ntsuas rau qhov tsim tsim siv flux ntom tus nqi.

Ib cov khoom uas tsis tshua muaj kev quab yuam yog kev cuam tshuam los ntawm kev cuam tshuam dab tsi vim kev sib nqus sab nraud, kev poob siab, thiab daim ntawv thov kub. Rau cov ntawv thov tseem ceeb, Alnico hlau nplaum tuaj yeem yog qhov kub thiab txias kom tsawg rau cov kev cuam tshuam no Muaj plaub chav kawm ntawm cov hlau nplaum lag luam niaj hnub, txhua tus raws lawv cov khoom qhia. Hauv txhua chav kawm yog tsev neeg ntawm qib kawm nrog lawv tus kheej lub zog sib nqus. Cov kev kawm dav dav no yog:

  • Neodymium Hlau Boron
  • Xam phaj Cobalt
  • tej hub
  • Alnico

NdFeB thiab SmCo suav nrog paub tias yog Hlau nplaum Rare Earth vim tias nkawd ob leeg tau los ntawm cov khoom siv los ntawm Rare Earth pawg ntawm cov ntsiab lus. Neodymium Hlau Boron (muaj pes tsawg leeg ua ke Nd2Fe14B, feem ntau luv luv rau NdFeB) yog qhov kev lag luam tshiab tshaj plaws rau tsev neeg ntawm cov khoom siv hlau nplaum niaj hnub. Hauv chav tsev kub, NdFeB hlau nplaum nthuav tawm cov yam ntxwv zoo tshaj plaws ntawm txhua qhov khoom siv hlau nplaum. Samarium Cobalt yog tsim nyob rau hauv ob qhov kev sib xyaw: Sm1Co5 thiab Sm2Co17 - feem ntau hu ua SmCo 1: 5 lossis SmCo 2:17 hom. 2:17 hom, nrog Hci cov nqi ntau dua, muab cov kev ruaj khov ntau dua li 1: 5 hom. Ceramic, tseem hu ua Ferrite, hlau nplaum (muaj pes tsawg leeg ua ke BaFe2O3 lossis SrFe2O3) tau tsim kev lag luam txij li xyoo 1950 thiab tseem siv dav siv niaj hnub no vim lawv cov nqi qis. Daim foos tshwj xeeb ntawm Ceramic hlau nplaum yog "Yooj Yim" cov khoom, ua los ntawm kev ua tiav Ceramic hmoov hauv qhov yooj yim binder. Alnico cov hlau nplaum (cov qauv dav dav Al-Ni-Co) tau tsim kev lag luam thaum xyoo 1930 thiab tseem siv dav nyob niaj hnub no.

Cov ntaub ntawv no muaj ntau yam khoom uas muaj ntau yam uas xav tau. Cov hauv qab no yog npaj rau kev nthuav dav tab sis siv cov ntsiab lus ntawm cov yam tseem ceeb uas yuav tsum tau txiav txim siab xaiv cov khoom tsim nyog, qib, duab, thiab qhov loj ntawm cov hlau nplaum rau ib daim ntawv thov tshwj xeeb. Daim duab hauv qab no qhia cov nqi tseem ceeb ntawm cov yam ntxwv tseem ceeb rau cov qib raug xaiv ntawm ntau cov ntaub ntawv rau kev sib piv. Cov ntsiab lus yuav tau tham nyob rau hauv kev nthuav dav hauv seem hauv qab no.

Cov Khoom Sib Nqus Hlau nplaum

khoom
qib
Br
Hc
Hci
BH max
T max (Deg c) *
NdFeB
39H
12,800
12,300
21,000
40
150
SmCo
26
10,500
9,200
10,000
26
300
NdFeB
B10N
6,800
5,780
10,300
10
150
Alnico
5
12,500
640
640
5.5
540
tej hub
8
3,900
3,200
3,250
3.5
300
Saj zawg zog
1
1,500
1,380
1,380
0.6
100

* T max (qhov siab tshaj plaws ua haujlwm kub) yog rau kev siv xwb. Qhov siab tshaj plaws ua haujlwm kub ntawm ib lub hlau nplaum yog nyob ntawm Circuit Court cov hlau nplaum ua haujlwm nyob hauv.


«Rov qab rau sab saum toj

Deg Kho

Hlau nplaum yuav tsum tau hnav raws li daim ntawv thov uas lawv tau npaj tseg. Cov hlau nplaum tiv thaiv ua kom zoo dua qub, tiv thaiv xeb, tiv thaiv los ntawm kev hnav thiab yuav tsim nyog rau kev siv rau hauv chav huv.
Samarium Cobalt, Alnico cov ntaub ntawv muaj kev txhim kho corrosion, thiab tsis tas yuav tsum muaj txheej tawm xeb tawm tsam corrosion. Alnico tau yooj yim plated rau cov ntsej muag zoo nkauj.
NdFeB cov hlau nplaum yog qhov tshwj xeeb tshaj yog xeb thiab feem ntau tiv thaiv nyob rau hauv txoj kev no. Muaj ntau cov txheej txheej kom haum rau cov hlau nplaum tas mus li, Tsis yog txhua yam ntawm txheej yuav haum rau txhua cov khoom siv los yog cov hlau nplaum ntsuas qhov chaw, thiab cov kev xaiv kawg yuav nyob ntawm daim ntawv thov thiab ib puag ncig. Ib qho kev xaiv ntxiv yog tsev cov hlau nplaum hauv qhov chaw sab nraud los tiv thaiv xeb thiab kev puas tsuaj.

Muaj Txheej Siv

Su cov ntsiab lus

Txheej

Thickness (Microns)

xim

Kuj

Hla


1

Nyiaj Tswb

Kev Tiv Thaiv Ib Ntus

npib tsib xee

Ni + Ni

10-20

Kaj Ntug Nyiaj

Zoo heev tiv thaiv Vaum

Ni + Cu + Ni

zinc

Zn

8-20

Kaj Ntug

Tshuaj Zoo Txau Ntsev

C-Zn

Shinny Xim

Zoo heev Tawm tsam Cov Tshuaj Tsuag

Yajthem

Ni + Cu + Sn

15-20

nyiaj

Superior Tawm Tsam Kev Phem

kub

Ni + Cu + Au

10-20

kub

Superior Tawm Tsam Kev Phem

Tooj

Ni + Cu

10-20

kub

Kev Tiv Thaiv Ib Ntus

Epoxy

Epoxy

15-25

Dub, Liab, Grey

Zoo heev Tawm tsam Paum
Ntsev Tsuag

Ni + Cu + Epoxy

Zn + Epoxy

tshuaj

Ni

10-20

Nyiaj Tswb

Zoo heev Tawm tsam Paum

Parylene

Parylene

5-20

Grey

Zoo heev Tawm tsam Paum, ntsev Tsuag. Muaj Zog Tshaj Tawm Los Ntawm Cov Kev daws teeb meem, roj cua, pwm thiab kab mob.
FDA pom zoo.


«Rov qab rau sab saum toj

Hlau nplaum

Cov hlau nplaum tas mus li nyob rau hauv ob qho kev mob, Magnetized lossis tsis muaj tus hlau nplaum, feem ntau tsis cim nws polarity. Yog tias tus neeg siv yuav tsum tau, peb tuaj yeem kos tus cim polarity los ntawm txoj kev pom zoo. Thaum pacing qhov kev txiav txim, tus neeg siv yuav tsum ceeb toom cov lus qhia thiab yog tias lub cim ntawm polarity xav tau.

Lub tshuab nqus hlau nplaum ntawm cov hlau nplaum ruaj khov yog cuam tshuam nrog cov khoom siv hlau nplaum ruaj khov thiab nws cov khoom siv sib zog yuam. Yog hais tias cov hlau nplaum xav tau magnetization thiab demagnetization, thov hu rau peb thiab nug kom cov txheej txheem txhawb nqa.

Muaj ob txoj hauv kev los tsim cov hlau nplaum loj: DC teb thiab mem tes sib nqus.

Muaj peb txoj hauv kev demagnetize cov hlau nplaum: demagnetization los ntawm tshav kub yog txheej txheem tshwj xeeb txheej txheem. demagnetization hauv AC teb. Demagnetization hauv DC teb. Qhov no thov kom muaj kev sib nqus zoo heev thiab kev ua siab siab demagnetization.

Geometry cov duab thiab cov hlau nplaum kev coj ntawm cov hlau nplaum ruaj khov: hauv hauv paus ntsiab lus, peb tsim cov hlau nplaum ruaj khov nyob rau hauv ntau cov duab. Feem ntau, nws suav nrog thaiv, disc, ntiv nplhaib, ntu thiab lwm yam. Cov lus qhia ntxaws txog qhov kev taw qhia magnetization yog hauv qab:

Kev Qhia Txog Magnetization
(Daim duab qhia Qhia Cov Lus Qhia Txog Kev Qhia Txog Manetization)

taw qhia kom thoob

axially taw kev

axially oriented hauv ntu

taw qhia laterally multipole rau ntawm ib lub ntsej muag

sib txuam sib txuam hauv cov ntu ntawm sab hauv taub *

multipole oriented qhov hauv feem ntawm ib qho ntsej muag

taw qhia radial *

taw qhia los ntawm txoj kab uas hla *

muab ntau txoj hauv kev los tso rau sab hauv qhov taub *

txhua yam muaj raws li isotropic lossis anisotropic

* tsuas muaj nyob hauv isotropic thiab qee yam anisotropic nkaus xwb


radially qhia

diametrical qhia


«Rov qab rau sab saum toj

Dimension Range, Qhov loj me thiab kam rau ua

Tshwj rau qhov loj me nyob rau hauv cov kev taw qhia ntawm magnetization, qhov ntev tshaj plaws ntawm cov hlau nplaum tas mus li tsis pub tshaj 50 hli, uas yog txwv los ntawm kev teb thiab cov khoom siv sintering. Lub qhov loj me nyob rau hauv cov kev taw qhia unmagnetization yog txog li 100mm.

Txoj kev kam rau siab yog feem ntau +/- 0.05 - +/- 0.10mm.

Nco tseg: Lwm daim duab tuaj yeem tsim ua raws li tus neeg siv khoom qauv lossis luam ntawv xiav

nplhaib
Tawm sab hauv
Sab Hauv
thickness
Maximum
100.00mm
95.00m
50.00mm
Yam tsawg kawg nkaus
3.80mm
1.20mm
0.50mm
Disc
inch
thickness
Maximum
100.00mm
50.00mm
Yam tsawg kawg nkaus
1.20mm
0.50mm
Thaiv
Length
dav
thickness
Maximum100.00mm
95.00mm
50.00mm
Yam tsawg kawg nkaus3.80mm
1.20mm
0.50mm
Arc-ntu
Txheej vojvoog
Sab Hauv Vav
thickness
Maximum75mm
65mm
50mm
Yam tsawg kawg nkaus1.9mm
0.6mm
0.5mm



«Rov qab rau sab saum toj

Lub hauv paus ntsiab lus kev nyab xeeb rau kev tuav haujlwm

1. Cov hlau nplaum tas mus li nrog cov sib nqus muaj zog sib nqus nyiam cov hlau thiab lwm yam kev sib nqus ntawm lawv ib puag ncig. Nyob rau hauv ib txwm mob, tus neeg siv phau ntawv yuav tsum ua tib zoo kom tsis txhob muaj kev puas tsuaj. Vim tias lub zog muaj zog loj, cov hlau nplaum loj nyob ze lawv yuav siv qhov kev pheej hmoo ntawm kev puas tsuaj. Cov neeg ib txwm ua cov hlau nplaum sib cais lossis los ntawm clamps. Hauv qhov no, peb yuav tsum ntim cov hnab looj tes tiv thaiv hauv kev ua haujlwm.

2. Hauv qhov xwm txheej ntawm qhov chaw muaj zog sib nqus, txhua qhov ntsuas pom tseeb hauv hluav taws xob thiab ntsuas ntsuas yuav raug hloov lossis puas. Thov saib rau nws tias lub khoos phis tawm, tso tawm thiab cov xov xwm sib nqus, piv txwv li cov hlau nplaum disc, cov kab xev hlau nplaum kab xev thiab kab xev vis dis aus thiab lwm yam, nyob deb ntawm cov khoom siv hlau nplaum, hais kom deb dua 2m.

3. Kev sib tsoo ntawm cov neeg nyiam ntawm ob lub hlau nplaum ruaj khov yuav ua rau muaj hluav taws xob zoo. Yog li, cov nplaim taws lossis cov teeb meem tsis zoo yuav tsum tsis txhob muab tso rau ib puag ncig lawv.

4. Thaum cov hlau nplaum raug rau hydrogen, nws yog txwv tsis pub siv cov hlau nplaum tas mus li tsis muaj txheej tiv thaiv. Qhov laj thawj yog tias kev zam ntawm hydrogen yuav rhuav tshem cov microstructure ntawm cov hlau nplaum thiab ua rau qhov txiav txim siab ntawm cov khoom sib nqus. Tib txoj kev los tiv thaiv cov hlau nplaum zoo yog txhaws cov hlau nplaum hauv ib rooj plaub thiab muab khi ncauj cia.


«Rov qab rau sab saum toj