Magineti e-neodymium akaita seUinopa simba remagineti risingaenzaniswi - kusvika kupisa kwatanga. Mumashandisirwo akadai semamota, masensa, kana michina yeindasitiri inoshanda pamusoro pe80°C, demagnetization isingadzoreki inogona kukanganisa mashandiro ayo. Kana U-magnet ikarasikirwa ne10% chete yeflux yayo, nzvimbo yakabatana mugedhi rayo inodonha, zvichikonzera kutadza kushanda kwesystem. Heino maitiro ekudzivirira magadzirirwo ako:
Nei Kupisa Kuchiuraya Magneti eU Nokukurumidza
Magineti eNeodymium anobvisa magineti kana simba rekupisa rikakanganisa kurongeka kwemaatomu awo. Maumbirwo eU anotarisana nenjodzi dzakasiyana:
- Kushushikana kweGeometric: Kukotama kunoita kuti nzvimbo dzekumanikidzwa kwemukati dzive nyore kukanganiswa nekupisa.
- Kuwanda kwesimba remagetsi: Kuwanda kwesimba mugomba kunokurumidza kurasikirwa nesimba pakupisa kwakanyanya.
- Kukundikana Kusingaenzaniswi: Gumbo rimwe richibvisa magineti rimwe risati raita kuti magnetic circuit isashande zvakanaka.
Nzira yekudzivirira ine mapoinzi mashanu
1. Kusarudzwa Kwezvinhu: Tanga Negiredhi Rakakodzera
Hazvisi zvese zveNdFeB zvakaenzana. Isa pamberi magiredhi ekumanikidzwa kwepamusoro (H series):
| Giredhi | Kupisa Kwakanyanya Kwemhepo | Kumanikidzwa Kwemukati (Hci) | Shandisa Nyaya |
|---|---|---|---|
| N42 | 80°C | ≥12 kOe | Dzivisa kana pakupisa |
| N42H | 120°C | ≥17 kOe | Zvemaindasitiri zvemazuva ese |
| N38SH | 150°C | ≥23 kOe | Mota, ma actuator |
| N33UH | 180°C | ≥30 kOe | Mota/ndege |
| Zano Repamusoro: Magiredhi eUH (Ultra High) neEH (Extra High) anorasikirwa nesimba rekudzivirira kupisa ne2-3 ×. |
2. Kudzivirira Kupisa: Kuputsa Nzira Yekupisa
| Maitiro | Mashandiro Azvo | Kubudirira |
|---|---|---|
| Maburi Emhepo | Bvisa magineti kubva panopisa | ↓10-15°C panzvimbo dzinosangana |
| Zvinodzivirira kupisa | Zvivharo zveCeramic/polyimide | Kufambisa mabhuroko |
| Kutonhodza Kunoshanda | Madhishi ekupisa kana mhepo inomanikidzwa | ↓20-40°C munzvimbo dzakavharirwa |
| Kupfeka Kunoratidza | Magwaro egoridhe/aruminiyamu | Inoratidza kupisa kunopenya |
Chidzidzo Chenyaya: Mugadziri wemota yeservo akaderedza kutadza kushanda kweU-magnet ne92% mushure mekuwedzera 0.5mm mica spacers pakati pemacoil nemamagnet.
3. Dhizaini yeMagineti yeDunhu: Kupfuura Thermodynamics
- Zvibati zveFlux: Maplate esimbi ari pamusoro peU-gap anodzivirira nzira yeflux panguva yekupisa.
- Kuisa Magnetization Parutivi: Shandisa magineti pa70-80% yehuwandu hwakazara kuti ubve "mumusoro" wekupisa.
- Magadzirirwo eLoop Yakavharika: Isa maU-magnets mumidziyo yesimbi kuderedza kusvibiswa kwemhepo uye kudzikamisa kuyerera kwemhepo.
"Muchina wekuchengetedza wakagadzirwa zvakanaka unoderedza njodzi yekubvisa magineti ne40% pa150°C zvichienzaniswa nemagineti asina maU."
- Kutengeserana kweIEEE paMagnetike
4. Dziviriro dzeKushanda
- Makombama Akakombama: Usambofa wakapfuura miganhu yekupisa yakatarwa negiredhi (ona chati iri pazasi).
- Kutarisa Kupisa: Isa masensa ari pedyo neU-legs kuti akuudze nguva chaiyo.
- Dzivisa Kukwira Kwemhepo: Kupisa/kutonhodza nekukurumidza kunokonzera kutsemuka kwemasero → kukurumidza kubvisa magineti.
Muenzaniso weDerating Curve (N40SH Giredhi):
Kurasikirwa Kwemwana │ 0% │ 8% │ 15% │ 30%*
5. Mapeti epamusoro & Kusunga
- Kusimbisa Epoxy: Inozadza mitswe midiki kubva pakuwedzera kwekupisa.
- Mapendi ekupisa kwakanyanya: Parylene HT (≥400°C) inodarika plating yeNiCuNi yakajairwa pamusoro pe200°C.
- Sarudzo yeNamira: Shandisa maepoxies akazadzwa negirazi (tembiricha yebasa >180°C) kudzivirira kupatsanurwa kwemagineti.
Mireza Dzvuku: Magnet yako yeU iri Kukundikana Here?
Kuona demagnetization yedanho rekutanga:
- Kusawirirana kweMunda: Musiyano wekufamba kwemakumbo eU->10% (chiyero neHall probe).
- Kukwira kweTembiricha: Magnet inonzwa kupisa kupfuura nzvimbo yakapoteredza - inoratidza kurasikirwa kwesimba remagetsi.
- Kuderera Kwekushanda: Mota dzinorasikirwa ne torque, masensa anoratidza kutenderera, ma separator anoshaya zvinhu zvinosvibisa ferrous.
Kana Kudzivirira Kukakundikana: Maitiro Ekuponesa
- Kudzokorodza magineti: Zvinogoneka kana zvinhu zvisina kukuvara muchimiro (zvinoda >3T pulse field).
- Kupetazve: Bvisa jira rakaora, shandisazve jira rinopisa zvakanyanya.
- Nzira Yokutsiva: Chinjana ne SH/UH grades + kuvandudzwa kwekupisa.
Fomura Inokunda
Giredhi reHci Yakakwira + Kubatidza Kwekupisa + Dhizaini yeSmart Circuit = Magnets eU Anodzivirira Kupisa
Magneti e-neodymium ane chimiro cheU anobudirira munzvimbo dzakaoma kana iwe:
- Sarudza magiredhi eSH/UH zvichienderana nezvinodiwa pakushandisa >120°C
- Bvisa kubva kunzvimbo dzinopisa uchishandisa zvidziviriro zvemhepo/ceramic
- Gadzirisa kuyerera kwemvura nevanochengeta kana dzimba
- Tarisa tembiricha paburi
Purojekiti Yako Yekugadzira Magnets eNeodymium
Tinogona kupa masevhisi eOEM/ODM ezvigadzirwa zvedu. Chigadzirwa chinogona kugadziriswa zvichienderana nezvaunoda, kusanganisira saizi, Chimiro, mashandiro, uye kuputira. Ndapota ipai magwaro enyu ekugadzira kana kutiudzai mazano enyu uye timu yedu yeR&D ichaita zvimwe zvese.
Nguva yekutumira: Chikunguru-10-2025