All Māhele

MEA KAHAIO

  • Ka ʻāina a me ka mōʻaukala
  • Design
  • Koho Hoʻomaka
  • Māmā Ola
  • Ka Hoʻohui ʻana
  • Ka laulā ana, ʻāpana a me ke ahonui
  • ʻĀina palekana no ka hoʻohana ʻana i ka manual

Ka ʻāina a me ka mōʻaukala

ʻO nā mākēneki paʻa kekahi mea nui o ke ola o kēia ao. Loaʻa iā lākou i loko a hoʻohana ʻia paha e hana ʻaneʻane i kēlā me kēia pono i kēia lā. ʻO nā mākēneki paʻa mua i hana ʻia mai nā pōhaku i kū maoli ʻia i kapa ʻia ʻo nā lumi hale. Ua aʻo mua ʻia kēia mau pōhaku ma kahi o 2500 mau makahiki i hala aku nei e ka poʻe Kina a ma hope e ka poʻe Helene, nā mea i loaʻa ka pōhaku mai ka panalāʻau o Magnetes, kahi i loaʻa ai ka inoa o nā mea. Mai ia manawa, ua hoʻomaikaʻi maikaʻi ʻia nā waiwai o nā mea magnet and todays paʻa paʻa mau mea he mau haneli mau manawa ka ʻoi aku ka ikaika ma mua o nā mākēneki o ka wā kahiko. ʻO ka mana magnet permanen mai ka hiki o ka magnet e paʻa i ka hoʻoiho magnet i hoʻokomo ʻia ma hope o ka lawe ʻia ʻana mai ka mea magnetizing. ʻO ia mau hāmeʻa hiki ke lilo i magnetet paʻa mau loa, nā uila uila a i ʻole nā ​​wili o ka uea i hoʻopiʻi ʻia me ka uila. ʻO ko lākou hiki ke hoʻopaʻa i kahi kuleana magnet e hoʻohana pono iā lākou no ka hoʻopaʻa ʻana i nā mea i kahi, e hoʻohuli ana i ka uila i ka mana kumu a me ka ʻaoʻao ʻē aʻe (nā motika a me nā mīkini hana), a i ʻole nā ​​mea ʻē aʻe i lawe ʻia kokoke iā lākou


«I hope i luna

Design

Hana maikaʻi ka hana hoʻokalakupua o kahi hana ʻoi aku ka maikaʻi o ka mīkini hana. No nā mea kūʻai aku e koi ana i ka kōkua hoʻonohonoho ʻana a i ʻole nā ​​ʻōkuhi paʻakikī Nā QM's ka hui o nā ʻenehana noiʻi ʻike loea a me nā mīkini loea i ka ʻike i kāu lawelawe. QM hana nā mea hana me nā mea kūʻai aku e hoʻomaikaʻi a hōʻoia i nā hoʻolālā paʻa e like me ka hoʻomohala ʻana i nā hoʻolālā moʻolelo e hana ana i nā hopena magnetic kūikawā. QM ua hoʻomohala i nā hana hoʻohiki manaʻo hoʻomalu e hoʻopakele i nā kihi ʻenehana ikaika loa, a i ʻole a i ʻole ke ʻano hoʻohālike ʻano maʻamau e hoʻololi pinepine ʻia ai i nā electro-magnet maikaʻi a maikaʻi ʻole. Uaʻike nā mea kūʻai aku inā e lawe mai i kahi manaʻo paʻakikī a i ʻole kahi manaʻo hou QM e hoʻokō i kēlā pilikia i ka huki ʻana mai 10 mau makahiki o ka ʻike loiloi magnetic. QM i ka poʻe, nā huahana a me nā ʻenehana i hoʻokomo i nā wīwau e hana.


«I hope i luna

Koho Hoʻomaka

ʻO kahi koho Magnet no nā noi āpau e pono e noʻonoʻo i ka pauku magnetic a me ke kaʻe. Ma kahi pono kūpono iā Alnico, hiki ke ho'ēmi iki ʻia ka nui o ka magnet inā hiki iā ia ke magnetizing ma hope o ka hōʻuluʻulu ʻana i ka circuit magnetic. Inā hoʻohana kūʻokoʻa ʻia i nā ʻāpana ʻē aʻe, e like me nā noi palekana, ʻo ka lōʻihi o ka lōʻihi o ka ratio diameter (e pili ana i ka coefficient permeance) pono paha e hana i ka hoʻokō e hana i ka magnet ma luna o ke kuli i kāna lua. No nā noiʻi koʻikoʻi, hiki ke hoʻohuli ʻia nā mea kiʻekiʻe o Alnico i kahi waiwai kaulike e pili ana i ka molikao.

ʻO kahi huahana o ka coercivity haʻahaʻa e ʻike i nā hopena demagnetizing ma muli o nā māla magnetika o waho, haʻalulu, a me nā mahana mahana noi. No nā noi koʻikoʻi, hiki i nā mākēneki Alnico ke hoʻopaʻa i ka mahana e hoʻohaʻahaʻa i kēia mau hopena. Aia i loko o kēlā me kēia papa kahi ʻohana papa me kā lākou pono ponoʻī. ʻO kēia mau papa laulaha:

  • ʻO Boron Neodymium Iron
  • ʻO Samarium Cobalt
  • pālolo
  • Alnico

ʻIʻike pū ʻia ʻo NdFeB a me SmCo ma ke ʻano he magnet Rare Earth no ka mea ua haku ʻia lāua i nā mea mai ka hui Rare Earth o nā mea. ʻO Neodymium Iron Boron (ka hoʻohui lehulehu Nd2Fe14B, hoʻopōkole pinepine ʻia iā NdFeB) ʻo ia ka hoʻohui pāʻoihana hou loa i ka ʻohana o nā mea magnet. Ma nā mahana wela o ka lumi, hōʻike nā mākēneki NdFeB i nā waiwai kiʻekiʻe loa o nā pono manamana āpau. Hana ʻia ʻo Samarium Cobalt i ʻelua haku mele: Sm1Co5 a me Sm2Co17 - kuhikuhi pinepine ʻia ma ke ʻano he SmCo 1: 5 a i ʻole SmCo 2:17. 2: 17 mau ʻano, me nā koina Hci kiʻekiʻe aʻe, hāʻawi i ka paʻa paʻa ma mua o ka 1: 5 ʻano. ʻO Ceramic, i ʻike ʻia ʻo Ferrite, nā mākēneka (hoʻohui lehulehu BaFe2O3 a i ʻole SrFe2O3) i kālepa ʻia mai ka makahiki 1950 a hoʻomau e hoʻohana nui ʻia i kēia lā ma muli o kā lākou kumukūʻai haʻahaʻa. ʻO kahi ʻano kūikawā o ka magnet Ceramic he "Flexible" mea, i hana ʻia e ka hoʻopaʻa ʻana i ka paukū Ceramic i kahi mea hoʻopaʻa paʻa. Alnico nā mākēneki (ka haku mele Al-Ni-Co) i kālepa ʻia i nā makahiki 1930 a ke hoʻohana nui ʻia nei i kēia lā.

Kūpono kēia mau mea i kahi ʻano o nā waiwai e hoʻokomo i kahi ākea o nā palapala noi. ʻO ka mea aʻe e manaʻo ai e hāʻawi i kahi ʻike ākea ākea akā pono e noʻonoʻo i nā koho e pono ai ke koho ʻana i nā mea kūpono, mākaʻikaʻi, ka pae, ka nui a me ka nui o ka magnet no kahi noi. Hōʻike ka pakuhi ma lalo nei i nā mea maʻamau o nā hiʻohiʻona nui no nā mahele i koho ʻia o nā ʻano waiwai no ka hoʻohālikelike ʻana. E kūkākūkā nui kēia mau waiwai i nā ʻatikala aʻe.

Hoʻohālikelike Mea Hana Mea hoʻohālikelike

Material
Papa
Br
Hc
Hci
BH max
T max (Deg c) *
NdFeB
39H
12,800
12,300
21,000
40
150
ʻO 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
pālolo
8
3,900
3,200
3,250
3.5
300
'ōlewa
1
1,500
1,380
1,380
0.6
100

* T max (kiʻekiʻe ka lawelawe i ke kau pono hana) no ke ʻae wale nō. Ke kauo nei ka nui o ka hoʻokele nui ʻana o kēlā me kēia kalaki i pili i ka pōkā e hana ana ka magnet i loko.


«I hope i luna

Māmā Ola

Hiki ke pani ʻia nā maknets ma muli o ka noi a ka mea e makemake ai lākou. Hoʻoulu ʻo nā māla coating i ka helehelena, pale kūloko, pale mai ka hoʻohana ʻana a kūpono paha no nā noi ma nā kūlana keʻena maʻemaʻe.
Samarium Cobalt, nā pale o Alnico e pale, ʻaʻole pono e hoʻopili ʻia i ka pale ʻana. Hoʻopili maʻalahi ʻia ʻo Alnico no nā hiʻohiʻona cosmetic.
Kuhi loa nā magnetikela NdFeB i ka corrosion a pale ʻia ma kēia ala. Aia kahi ʻokoʻa e pili pono ana i nā makana mau loa, ʻAʻole nā ​​ʻano āpau āpau e kūpono i nā ʻenehana a i ʻole geometry paha, a ʻo ka koho hope loa e hilinaʻi ʻia i ka noi a me ke kaiapuni. ʻO kahi koho ʻē aʻe, ʻo ka halihali ʻana i ka manikini i loko o ke kaila ʻokoʻa e pale ai i ka kūʻai a me ka hōʻino.

Loaʻa nā Kahu

Su laia wahine

ka penaʻana

Kaukuhi (Micronons)

kala like 'ole

e kū'ē'ē mai

Pāʻina


1

Kahukaha Keaka

Pūnaewele pale

nikala

Ni + Ni

10-20

Pahu kālā

Paʻa i ka Humidity

Ni + Cu + Ni

Zinc

Zn

8-20

ʻŌmaʻomaʻo

Maʻa maikaʻi i ka paʻakai paʻakai

C-Zn

Kāleʻa Shinny

Paʻa kūʻē i ka paʻakai paʻakai

ʻOi

Ni + Cu + Sn

15-20

kala

ʻOi aku i ka Humidity

Gold

Ni + Cu + Au

10-20

Gold

ʻOi aku i ka Humidity

keleawe

Ni + Cu

10-20

Gold

Pūnaewele pale

ʻO kaʻahu

ʻO kaʻahu

15-25

ʻEleʻele, ʻulaʻula, hina

ʻAno i ka Humidity
ʻO ka paʻakai paʻakai

Ni + Cu + Epoxy

Zn + Epoxy

Nine

Ni

10-20

Kahukaha Keaka

ʻAno i ka Humidity

Parylene

Parylene

5-20

Hinahina

Haʻi maikaʻi loa i ka humina, ka paʻakai paʻakai. Kūʻē i ka hoʻokele, nā kaila, nā pua a me nā mea maʻi.
 Aponoia FDA.


«I hope i luna

Ka Hoʻohui ʻana

I ke kao a nā mea i hāʻawi ʻia ma lalo o nā kūlana ʻelua, Magnetized a i ʻole magnetized, ma mua o ke kuʻina ʻole e ka pulu. Inā makemake ka mea hoʻohana, hiki iā mākou ke hōʻailona i ka polū ma o ka mea i ʻae ʻia. Ke hoʻokohu nei i ka kauoha, pono e hōʻike ka mea hoʻohana i ke ʻano o ka lako a inā pono ka māka o ka polula.

Pili ka magnetization o ka hana mauoa pili i ka mīkini mana mau loa a me kāna mea hana intrinsic coercive. Inā ka mana ka magnetization a me ka demagnetization, e ʻoluʻolu e kelepona mai iā mākou a e noi no ke kākoʻo o ka loea.

ʻEkaku ala ʻelua e hoʻohua i ka magnet: ʻo ke akea DC a me ka pālani magnetic pulse.

ʻEkolu mau hana e hoʻowalewale i ka magnet: demagnetization e ka wela he hana kaʻina hana kūikawā. demagnetization ma ka papa AC. Hoʻomaka ma ka kahua DC. Kēia e noi ana i ka hana hoʻokalakupua ikaika a me ka mana demagnetization kiʻekiʻe.

ʻO ke ʻano geometry a me ke kuhikuhi magnetization i kekahi o ka magnetic: ma ka ʻōlelo maʻamau, hoʻopuka mākou i ka mana mau i nā ʻano like ʻole. ʻO ka maʻamau, ʻo ia ka mea i kaupalena ʻia, disc, kani, ka mahele like me nā kiʻina kikoʻī o ka kuhikuhi magnetization ma lalo:

Nā kuhikuhi a nā Magnetization
(Kuhi Kuhi Ke kuhikuhi nei i nā kuhikuhi maʻamau o Manetization)

kaʻe ʻana ma ka mānoanoa

orientally kūlike

axial oriented i nā ʻāpana

oriented laterally multipole ma ka maka

Hoʻololi ʻoliʻoli i nā ʻāpana ma waho o ka diameter *

multipole oriented i nā ʻāpana ma kahi maka

hoa

ka piliʻala i ka diameter *

Hoʻololi ʻoliʻoli i nā ʻāpana i ka ʻaoʻao i loko *

nā lako āpau e like me ka isotropic a i ʻole mea anisotropic

* aia wale nō ma nā isotropic a me kekahi mau mea anisotropic wale nō


beria hoʻohanohano

diametrical ʻokoʻa


«I hope i luna

Ka laulā ana, ʻāpana a me ke ahonui

Ma waho aʻe o ke kinona me ka ʻaoʻao o ka magnetization, ka nui o ka nui o ka mīkini paʻa ʻole ʻaʻole iʻoi aku ma mua o 50mm, kahi i kaupalena ʻia e ka papa lāʻau a me nā mea hana lawehala. ʻO ka dimension i ka kuhikuhi unmagnetization a hiki i 100mm.

ʻO ka hoʻohaʻahaʻa ʻia ka +/- 0.05 - +/- 0.10mm.

Manaʻo: Hiki ke hana i nā kinona ʻē aʻe e like me ka laʻana a ka mea kūʻai aku a i ʻole ka paʻi polū

ke komo lima
Ka palena o ka palena
Ka Lā Kūlana
mānoanoa
i kā mākou
100.00mm
95.00m
50.00mm
palena iki
3.80mm
1.20mm
0.50mm
Kōpae
anawaena
mānoanoa
i kā mākou
100.00mm
50.00mm
palena iki
1.20mm
0.50mm
kal
loa
laula,
mānoanoa
i kā mākou100.00mm
95.00mm
50.00mm
palena iki3.80mm
1.20mm
0.50mm
ʻApana-Arc
ʻOihaki Ulo Pūnaewele
Raniu loko
mānoanoa
i kā mākou75mm
65mm
50mm
palena iki1.9mm
0.6mm
0.5mm



«I hope i luna

ʻĀina palekana no ka hoʻohana ʻana i ka manual

1. ʻO ka magnet magnet permanent ka hoʻokalakupua me ka papa hana ikaika e huki i ka hao a me nā mea nui e hoʻopuni ai a puni iā ​​lākou. Ma lalo o ke ʻano maʻamau, pono e mālama pono ka luna hana hoʻohana e pale i nā mea ʻino. Ma muli o ka ikaika pākuʻi ikaika, ka nui o ka pōʻai nui iā lākou e lawe ana i ka pilikia o ka hōʻino. Hoʻolālā mau ka poʻe i kēia mau magnetets a i ʻole nā ​​clamp. I kēia hihia, pono mākou e ʻike i nā kūlima pale pale i ka hana.

2. I kēia kūlana o ka palaki a me ka nui o nā mana uila, e hiki ke hoʻololi ʻia a hōʻino paha kekahi o nā mea ʻike loea. E ʻoluʻolu e nānā iā ia, ʻo ka kamepiula, hōʻike a me nā media magnetic, no ka laʻana ka magnetic disc, magnetic cassette tape a me ka mīkini hoʻopaʻa wikiō, a he mamao loa ia mai nā mea magnetized, e haʻi aku i kahi mamao o 2m.

3. ʻO ka hoʻouka ʻana o nā mea hoʻowalewale e kū nei ma waena o nā inikua mau ʻelua e lawe mai i nā kumulāʻau nui. No laila, ʻaʻole pono e waiho i nā mea i pili ʻia a i ʻole mea kaua paha a puni lākou.

4. I ka manawa e hōʻike ʻia ka magnet i ka hydrogen, ʻaʻole ia e papa ʻia i ka hoʻohana ʻana i nā magneto pale ʻole me ka pale ʻole pale. ʻO ke kumu ke hoʻopau i ka haukī o ka hydrogen ma ka microstructure o ka magnet ke alakaʻi i ka deconstruction o nā waiwai. ʻO ke ala wale nō e pale pono i ka hoʻālao ʻo ke hoʻopili ʻana i ka maniki i kahi hihia a hoʻopaʻa ʻia.


«I hope i luna