Maighnéad NdFeB sintered
Maighnéad NdFeB sintered Airíonna Fisiceacha | ||||||||
Grád | Remanence | Temp.— Coeff. de Br | Coercive Force | Fórsa Comhéigeantach Intreach | Temp.— Coeff. de Hcj | uas. Táirge Fuinnimh | uas. Teocht Oibriúcháin | Dlús |
Br (KGs) | Hcb (TÚ) | Hcj (TÚ) | (BH) max. (MGOe) | g/cm³ | ||||
N35 | 11.7-12.2 | -0.11~-0.12 | ≥10.9 | ≥12 | -0.58~-0.78 | 33-36 | 80 ℃ | 7.6 |
N38 | 12.2-12.5 | -0.11~-0.12 | ≥11.3 | ≥12 | -0.58~-0.78 | 36-39 | 80 ℃ | 7.6 |
N40 | 12.5-12.8 | -0.11~-0.12 | ≥11.5 | ≥12 | -0.58~-0.78 | 38-41 | 80 ℃ | 7.6 |
N42 | 12.8-13.2 | -0.11~-0.12 | ≥11.5 | ≥12 | -0.58~-0.78 | 40-43 | 80 ℃ | 7.6 |
N45 | 13.2-13.8 | -0.11~-0.12 | ≥11.6 | ≥12 | -0.58~-0.78 | 43-46 | 80 ℃ | 7.6 |
N48 | 13.8-14.2 | -0.11~-0.12 | ≥11.6 | ≥12 | -0.58~-0.78 | 46-49 | 80 ℃ | 7.6 |
N50 | 14.0-14.5 | -0.11~-0.12 | ≥10.0 | ≥12 | -0.58~-0.78 | 48-51 | 80 ℃ | 7.6 |
N52 | 14.3-14.8 | -0.11~-0.12 | ≥10.0 | ≥12 | -0.58~-0.78 | 50-53 | 80 ℃ | 7.6 |
N33M | 11.3-11.7 | -0.11~-0.12 | ≥10.5 | ≥14 | -0.58~-0.72 | 31-33 | 100 ℃ | 7.6 |
N35M | 11.7-12.2 | -0.11~-0.12 | ≥10.9 | ≥14 | -0.58~-0.72 | 33-36 | 100 ℃ | 7.6 |
N38M | 12.2-12.5 | -0.11~-0.12 | ≥11.3 | ≥14 | -0.58~-0.72 | 36-39 | 100 ℃ | 7.6 |
N40M | 12.5-12.8 | -0.11~-0.12 | ≥11.6 | ≥14 | -0.58~-0.72 | 38-41 | 100 ℃ | 7.6 |
N42M | 12.8-13.2 | -0.11~-0.12 | ≥12.0 | ≥14 | -0.58~-0.72 | 40-43 | 100 ℃ | 7.6 |
N45M | 13.2-13.8 | -0.11~-0.12 | ≥12.5 | ≥14 | -0.58~-0.72 | 43-46 | 100 ℃ | 7.6 |
N48M | 13.6-14.3 | -0.11~-0.12 | ≥12.9 | ≥14 | -0.58~-0.72 | 46-49 | 100 ℃ | 7.6 |
N50M | 14.0-14.5 | -0.11~-0.12 | ≥13.0 | ≥14 | -0.58~-0.72 | 48-51 | 100 ℃ | 7.6 |
N35H | 11.7-12.2 | -0.11~-0.12 | ≥10.9 | ≥17 | -0.58~-0.70 | 33-36 | 120 ℃ | 7.6 |
N38H | 12.2-12.5 | -0.11~-0.12 | ≥11.3 | ≥17 | -0.58~-0.70 | 36-39 | 120 ℃ | 7.6 |
N40H | 12.5-12.8 | -0.11~-0.12 | ≥11.6 | ≥17 | -0.58~-0.70 | 38-41 | 120 ℃ | 7.6 |
N42H | 12.8-13.2 | -0.11~-0.12 | ≥12.0 | ≥17 | -0.58~-0.70 | 40-43 | 120 ℃ | 7.6 |
N45H | 13.2-13.6 | -0.11~-0.12 | ≥12.1 | ≥17 | -0.58~-0.70 | 43-46 | 120 ℃ | 7.6 |
N48H | 13.7-14.3 | -0.11~-0.12 | ≥12.5 | ≥17 | -0.58~-0.70 | 46-49 | 120 ℃ | 7.6 |
N35SH | 11.7-12.2 | -0.11~-0.12 | ≥11.0 | ≥20 | -0.56~-0.70 | 33-36 | 150 ℃ | 7.6 |
N38SH | 12.2-12.5 | -0.11~-0.12 | ≥11.4 | ≥20 | -0.56~-0.70 | 36-39 | 150 ℃ | 7.6 |
N40SH | 12.5-12.8 | -0.11~-0.12 | ≥11.8 | ≥20 | -0.56~-0.70 | 38-41 | 150 ℃ | 7.6 |
N42SH | 12.8-13.2 | -0.11~-0.12 | ≥12.4 | ≥20 | -0.56~-0.70 | 40-43 | 150 ℃ | 7.6 |
N45SH | 13.2-13.8 | -0.11~-0.12 | ≥12.6 | ≥20 | -0.56~-0.70 | 43-46 | 150 ℃ | 7.6 |
N28UH | 10.2-10.8 | -0.11~-0.12 | ≥9.6 | ≥25 | -0.52~-0.70 | 26-29 | 180 ℃ | 7.6 |
N30UH | 10.8-11.3 | -0.11~-0.12 | ≥10.2 | ≥25 | -0.52~-0.70 | 28-31 | 180 ℃ | 7.6 |
N33UH | 11.3-11.7 | -0.11~-0.12 | ≥10.7 | ≥25 | -0.52~-0.70 | 31-34 | 180 ℃ | 7.6 |
N35UH | 11.8-12.2 | -0.11~-0.12 | ≥10.8 | ≥25 | -0.52~-0.70 | 33-36 | 180 ℃ | 7.6 |
N38UH | 12.2-12.5 | -0.11~-0.12 | ≥11.0 | ≥25 | -0.52~-0.70 | 36-39 | 180 ℃ | 7.6 |
N40UH | 12.5-12.8 | -0.11~-0.12 | ≥11.3 | ≥25 | -0.52~-0.70 | 38-41 | 180 ℃ | 7.6 |
N28EH | 10.4-10.9 | -0.105~-0.120 | ≥9.8 | ≥30 | -0.48~-0.70 | 26-29 | 200 ℃ | 7.6 |
N30EH | 10.8-11.3 | -0.105~-0.120 | ≥10.2 | ≥30 | -0.48~-0.70 | 28-31 | 200 ℃ | 7.6 |
N33EH | 11.3-11.7 | -0.105~-0.120 | ≥10.5 | ≥30 | -0.48~-0.70 | 31-34 | 200 ℃ | 7.6 |
N35EH | 11.7-12.2 | -0.105~-0.120 | ≥11.0 | ≥30 | -0.48~-0.70 | 33-36 | 200 ℃ | 7.6 |
N38EH | 12.2-12.5 | -0.105~-0.120 | ≥11.3 | ≥30 | -0.48~-0.70 | 36-39 | 200 ℃ | 7.6 |
N28AH | 10.4-10.9 | -0.105~-0.120 | ≥9.9 | ≥33 | -0.45~-0.70 | 26-29 | 230 ℃ | 7.6 |
N30AH | 10.8-11.3 | -0.105~-0.120 | ≥10.3 | ≥33 | -0.45~-0.70 | 28-31 | 230 ℃ | 7.6 |
N33AH | 11.3-11.7 | -0.105~-0.120 | ≥10.6 | ≥33 | -0.45~-0.70 | 31-34 | 230 ℃ | 7.6 |
Nóta: · Faoin teocht oibre 20 ℃ ± 2 ℃, os cionn paraiméadair maighnéadacha agus airíonna fisiceacha a thástáil, le caillteanas dosheachanta de fhórsa maighnéadach nach mó ná 5%. . |
Buntáiste:
Tá airíonna na maighnéid seo i bhfad níos fearr ná na cinn thraidisiúnta agus is iad na cinn is cumhachtaí i bhfeidhmiú faoi láthair. A n-ard
Ceadaíonn comhéigeantacht agus ard-remanence an dearadh nua agus an fhéidearthacht réimse maighnéadach iarratais a mhéadú nuair a bhíonn spás teoranta
nó i gcás ina bhfuil gá le réimse maighnéadach láidir.
Tá maighnéid NdFeB an-so-ghabhálach do chreimeadh. Dá bhrí sin a cheangal ar sciath dromchla cosanta. Tá úsáidí maighnéad NdFeB coinníollach
de réir an teocht i raon leathan ag rith ó 80ºC go 230ºC. Agus freisin oibríonn sé ag teocht faoi bhun 0 ℃.
Feidhmchlár:
Úsáidtear maighnéid neodimiam mar chineálacha éagsúla lionsaí maighnéadacha chun díriú, sraonadh cáithníní luchtaithe i leictreonaic, córais coscáin,
drip, braiteoir, córas maighnéadach i rótar agus micrea-mhótair, agus réimse na heolaíochta, na míochaine (tomagrafaíocht, speictriméadar NMR), etc.
Sa lá atá inniu ann, úsáidtear maighnéid NdFeB i gcainníochtaí móra ar fud an domhain. Níl forbairt an ábhair seo críochnaithe fós; an iarsmaí
agus tá neart páirce comhéigeantach á mhéadú go leanúnach. Ciallaíonn ardfhuinneamh maighnéid NdFeB gur féidir mótair agus braiteoirí a thógáil
níos lú riamh – agus léiríonn sé seo méadú ar éifeachtúlacht feidhmíochta. Mar gheall ar na feabhsuithe leanúnacha is féidir an t-ábhar spéisiúil seo a leanúint ar aghaidh.
a thabhairt isteach go nua i réimsí nua.
Socraíodh na luachanna sonraithe go léir ag baint úsáide as samplaí caighdeánacha de réir IEC 60404-5. Feidhmíonn na sonraíochtaí seo a leanas mar luachanna tagartha agus
d’fhéadfadh a bheith difriúil. Le haghaidh tuilleadh faisnéise déan teagmháil lenár n-innealtóirí iarratais.