Dukkan Bayanai

BAYANIN MAGNETS

  • Bayan Fage da Tarihi
  • Design
  • Flow Production
  • Zaɓin Magnet
  • Kula da Surface
  • Magnetizing
  • Matsakaicin Rage, Girman da haƙuri
  • Tsarin aminci don aiki na aiki

Bayan Fage da Tarihi

Magnet na dindindin wani muhimmin bangare ne na rayuwar zamani. Ana samun su a ciki ko amfani da su don samar da kusan kowane dacewa na zamani a yau. An samar da maganadisu na farko na dindindin daga duwatsun da ke faruwa ta halitta da ake kira lodestones. Sinawa ne suka fara nazarin wadannan duwatsu sama da shekaru 2500 da suka wuce, daga baya kuma Girkawa, wadanda suka samu dutsen daga lardin Magnetes, wanda daga cikinsa aka samo sunan wannan dutsen. Tun daga wannan lokacin, an inganta kaddarorin kayan maganadisu sosai kuma kayan maganadisu na yau da kullun sun fi ƙarfin maganadisu na zamanin da. Kalmar Magnet ɗin dindindin ta fito ne daga ikon magnet don riƙe cajin maganadisu da aka jawo bayan an cire shi daga na'urar maganadisu. Irin waɗannan na'urori na iya zama wasu ƙaƙƙarfan maganadisu na dindindin, electro-magnets ko coils na waya waɗanda aka caje su da wutar lantarki a taƙaice. Ƙarfinsu na riƙe da cajin maganadisu yana sa su zama masu amfani don riƙe abubuwa a wuri, canza wutar lantarki zuwa ƙarfin motsa jiki da akasin haka (motoci da janareta), ko kuma shafar wasu abubuwan da aka kawo kusa da su.


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Design

Babban aikin maganadisu shine aikin ingantacciyar injin maganadisu. Ga abokan cinikin da ke buƙatar taimakon ƙira ko ƙira mai rikitarwa, QM ta ƙungiyar ƙwararrun injiniyoyin aikace-aikacen da ƙwararrun injiniyoyin tallace-tallacen filin suna cikin sabis ɗin ku. QM injiniyoyi suna aiki tare da abokan ciniki don haɓakawa ko tabbatar da ƙirar da ke akwai tare da haɓaka ƙirar ƙira waɗanda ke haifar da tasirin maganadisu na musamman. QM ya ɓullo da ƙwaƙƙwaran ƙirar maganadisu waɗanda ke isar da filaye masu ƙarfi, iri ɗaya ko siffa ta musamman waɗanda sau da yawa ke maye gurbin ƙaƙƙarfan ƙarfi da ƙarancin ƙarfin lantarki da ƙirar maganadisu na dindindin. Abokan ciniki suna da kwarin gwiwa lokacin da hey kawo hadadden ra'ayi ko sabon ra'ayi cewa QM zai fuskanci wannan ƙalubalen ta hanyar zana daga shekaru 10 na ƙwararrun ƙwararrun maganadisu. QM yana da mutane, samfurori da fasaha waɗanda ke sa magnets suyi aiki.


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Flow Production

QM PROFION CHART


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Zaɓin Magnet

Zaɓin Magnet don duk aikace-aikacen dole ne yayi la'akari da duk kewayen maganadisu da mahalli. Inda Alnico ya dace, ana iya rage girman maganadisu idan yana iya zama magnetizing bayan haɗuwa cikin da'irar maganadisu. Idan aka yi amfani da shi ba tare da wasu abubuwan da'ira ba, kamar a aikace-aikacen tsaro, ingantaccen tsayin daka zuwa diamita rabo (wanda ke da alaƙa da ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun bayanai) dole ne ya zama babban isa don haifar da maganadisu don yin aiki sama da gwiwa a cikin lanƙwasa huɗu na demagnetization. Don aikace-aikace masu mahimmanci, Alnico maganadiso na iya ƙila a daidaita su zuwa ƙaƙƙarfan ƙimar ƙimar juzu'i.

Samfuran ƙarancin tilastawa shine azanci ga abubuwan da ke lalata lalacewa saboda filayen maganadisu na waje, girgiza, da yanayin zafi na aikace-aikace. Don aikace-aikace masu mahimmanci, Alnico maganadiso za a iya daidaita yanayin zafi don rage waɗannan tasirin Akwai nau'o'in nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan kasuwanci ne guda huɗu da ke tallatawa. A cikin kowane aji akwai iyali na maki tare da nasu halayen maganadisu. Waɗannan azuzuwan gabaɗaya sune:

  • Neodymium Iron Boron
  • Samarium Cobalt
  • yumbu
  • Alnico

NdFeB da SmCo an san su gaba ɗaya da Rare Earth magnets saboda dukansu sun ƙunshi abubuwa daga rukunin abubuwan Rare Duniya. Neodymium Iron Boron (babban abun da ke ciki Nd2Fe14B, galibi ana rage shi zuwa NdFeB) shine ƙarin kasuwancin kwanan nan ga dangin kayan maganadisu na zamani. A yanayin zafi, NdFeB maganadiso yana nuna mafi girman kaddarorin duk kayan maganadisu. Samarium Cobalt an ƙera shi a cikin ƙungiyoyi biyu: Sm1Co5 da Sm2Co17 - galibi ana kiransa SmCo 1: 5 ko SmCo 2:17 iri. nau'ikan 2:17, tare da ƙimar Hci mafi girma, suna ba da kwanciyar hankali mafi girma fiye da nau'ikan 1:5. Ceramic, wanda kuma aka sani da Ferrite, maganadisu (babban abun da ke ciki BaFe2O3 ko SrFe2O3) an sayar da su tun cikin 1950s kuma ana ci gaba da amfani da su sosai a yau saboda ƙarancin farashi. Wani nau'i na musamman na maganadisu yumbu shine abu "mai sassauci", wanda aka yi ta hanyar haɗa yumbu foda a cikin ɗaure mai sassauƙa. Alnico maganadiso (babban abun da ke ciki Al-Ni-Co) an sayar da su a cikin 1930s kuma har yanzu ana amfani da su sosai a yau.

Waɗannan kayan sun ƙunshi kewayon kaddarorin da ke ɗaukar buƙatun aikace-aikace iri-iri. An yi niyya mai zuwa ne don ba da taƙaitaccen bayani amma a aikace na abubuwan da dole ne a yi la'akari da su wajen zaɓar kayan da suka dace, daraja, siffa, da girman maganadisu don takamaiman aikace-aikace. Jadawalin da ke ƙasa yana nuna dabi'u na yau da kullun na mahimman halaye don zaɓaɓɓun maki na kayan daban-daban don kwatantawa. Wadannan dabi'u za a tattauna dalla-dalla a cikin sassan masu zuwa.

Kwatancen Magnet Material

Material
Grade
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
yumbu
8
3,900
3,200
3,250
3.5
300
m
1
1,500
1,380
1,380
0.6
100

* T max (mafi yawan zafin jiki na aiki) don tunani kawai. Matsakaicin zafin aiki mai amfani na kowane maganadisu ya dogara da kewaye da magnet ɗin ke aiki a ciki.


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Kula da Surface

Magnets na iya buƙatar mai rufi dangane da aikace-aikacen da aka yi nufin su. Rufaffen maganadisu yana inganta bayyanar, juriya na lalata, kariya daga lalacewa kuma yana iya dacewa da aikace-aikace a cikin yanayin ɗaki mai tsabta.
Samarium Cobalt, kayan Alnico suna da juriya na lalata, kuma baya buƙatar a rufe su da lalata. Alnico yana da sauƙin plated don halayen kwaskwarima.
Abubuwan maganadisu NdFeB suna da sauƙin kamuwa da lalata kuma galibi ana kiyaye su ta wannan hanyar. Akwai nau'i-nau'i iri-iri masu dacewa da maɗaukaki na dindindin, Ba kowane nau'i na sutura ba zai dace da kowane abu ko geometry na magnet, kuma zaɓi na ƙarshe zai dogara ne akan aikace-aikacen da yanayi. Wani ƙarin zaɓi shine sanya magnet a cikin akwati na waje don hana lalata da lalacewa.

Akwai Kayan Aiki

Su shafi

shafi

Lokacin farin ciki (Microns)

Launi

Resistance

Passivation


1

Silver Gray

Kariya na Gwiwa

nickel

Ni + Ni

10-20

Azurfa mai haske

Madalla da zafi

Ni + Cu + Ni

tutiya

Zn

8-20

Bright Blue

Kyakkyawan ta Salarfafa Salt

C-Zn

Launi mai haske

Madalla da Bishiyar Salt

Tin

Ni + Cu + Sn

15-20

Silver

Mafifici kan Danshi

Gold

Ni + Cu + Au

10-20

Gold

Mafifici kan Danshi

Copper

Ni + Cu

10-20

Gold

Kariya na Gwiwa

Matsala

Matsala

15-25

Baƙi, Ja, Gashi

Madalla da Gumi
Gishirin Fesa

Ni + Cu + Epoxy

Zane + Epoxy

Chemical

Ni

10-20

Silver Gray

Madalla da Gumi

Karin

Karin

5-20

Grey

Mafi Girma Again Humidity, Gishiri Fesa. Mafi Girma Against Solvents, Gases, Fungi da Bacteria.
 An karɓi FDA.


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Magnetizing

Magnetized din din din din din din din din din din din din din din din din din din din din din din din din din din din din din din din din din din din din din din) din din din din din din din din din din din din din din ah din tọn din ah tọndu ) ya habarta cewa, Magnetized ko babu maganadisu, yawanci ba a yi masa alamar polarity ba. Idan mai amfani ya buƙaci, za mu iya yin alamar polarity ta hanyar da aka amince da su. Lokacin zazzage oda, mai amfani yakamata ya sanar da yanayin samarwa kuma idan alamar polarity ya zama dole.

Filin maganadisu na maganadisu na dindindin yana da alaƙa da nau'in kayan maganadisu na dindindin da ƙarfinsa na tilastawa. Idan maganadisu na buƙatar magnetization da demagnetization, da fatan za a tuntuɓe mu kuma nemi tallafin fasaha.

Akwai hanyoyi guda biyu don yin maganadisu: filin DC da filin maganadisu na bugun jini.

Akwai hanyoyi guda uku don rage girman maganadisu: demagnetization ta zafi dabara ce ta musamman. demagnetization a cikin AC filin. Demagnetization a cikin filin DC. Wannan yana buƙatar filin maganadisu mai ƙarfi sosai da fasaha mai ƙarfi na demagnetization.

Siffar Geometry da Magnetization shugabanci na maganadisu na dindindin: bisa manufa, muna samar da maganadisu na dindindin a cikin siffofi daban-daban. Yawancin lokaci, ya haɗa da toshe, diski, zobe, sashi da sauransu. Cikakken kwatancin jagorar maganadisu yana ƙasa:

Hanyar Magnetization
(Hoto da ke Nuna Hankalin Hanyoyi Na Manetization)

daidaitacce ta hanyar kauri

axially daidaitacce

axially daidaitacce a cikin sassan

madaidaici a kaikaice mai yawa a fuska daya

Multipole daidaitacce a cikin sassa akan diamita na waje*

multipole daidaitacce a cikin sassa akan fuska ɗaya

madaidaicin radially*

daidaitacce ta hanyar diamita *

Multipole daidaitacce a cikin sassa akan diamita na ciki*

duk samuwa a matsayin isotropic ko anisotropic abu

* Akwai kawai a cikin isotropic da wasu kayan anisotropic kawai


radially daidaitacce

daidaitaccen diametrical


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Matsakaicin Rage, Girman da haƙuri

Sai dai girman da ke cikin hanyar maganadisu, matsakaicin girman magnet ɗin dindindin bai wuce 50mm ba, wanda ke iyakance ta wurin daidaitawa da kayan aikin sintiri. Girman a cikin jagorar unmagnetization shine har zuwa 100mm.

Haƙuri yawanci +/- 0.05 -- +/- 0.10mm.

Lura: Za a iya kera wasu siffofi bisa ga samfurin abokin ciniki ko bugu mai shuɗi

zobe
Ƙananan Diamita
Inner diamita
kauri
Maximum
100.00mm
95.00m
50.00mm
mafi qarancin
3.80mm
1.20mm
0.50mm
Disc
diamita
kauri
Maximum
100.00mm
50.00mm
mafi qarancin
1.20mm
0.50mm
Block
Length
nisa
kauri
Maximum100.00mm
95.00mm
50.00mm
mafi qarancin3.80mm
1.20mm
0.50mm
Arc-banshi
Radius na waje
Radius na ciki
kauri
Maximum75mm
65mm
50mm
mafi qarancin1.9mm
0.6mm
0.5mm



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Tsarin aminci don aiki na aiki

1. Magnetized m maganadiso tare da karfi Magnetic filin jawo baƙin ƙarfe da sauran Magnetic al'amurran da suka shafi sosai. A ƙarƙashin yanayin gama gari, mai aiki da hannu ya kamata ya yi taka tsantsan don guje wa kowane lalacewa. Saboda ƙarfin maganadisu mai ƙarfi, babban maganadisu na kusa da su yana ɗaukar haɗarin lalacewa. Mutane ko da yaushe suna aiwatar da waɗannan maganadiso dabam ko ta ƙugiya. A wannan yanayin, ya kamata mu ware safofin hannu na kariya suna aiki.

2. A cikin wannan yanayi na filin maganadisu mai ƙarfi, kowane ɓangaren lantarki mai ma'ana da mitar gwaji na iya canzawa ko lalacewa. Da fatan za a tabbatar da cewa kwamfutar, nuni da kafofin watsa labarai na maganadisu, misali diski na maganadisu, tef ɗin kaset na maganadisu da tef ɗin rikodin bidiyo da sauransu, sun yi nisa da abubuwan da aka haɗa magnetized, sun ce fiye da 2m.

3. Haɗuwa da runduna masu jan hankali tsakanin maɗauran maganadisu na dindindin guda biyu zai kawo kyalkyali mai yawa. Don haka bai kamata a sanya abubuwa masu ƙonewa ko masu fashewa a kewaye da su ba.

4. Lokacin da maganadisu ya fallasa zuwa hydrogen, an haramta yin amfani da maganadisu na dindindin ba tare da kariya ba. Dalilin shi ne cewa nau'in hydrogen zai lalata microstructure na maganadisu kuma ya kai ga ƙaddamar da abubuwan da ke da mahimmanci. Hanya daya tilo don kare maganadisu yadda ya kamata ita ce a rufe magnet a cikin akwati kuma a rufe shi.


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