Samarium Cobalt (SmCo) Magnets
Samarium Cobalt maginito (SmCo maginito) ndi mtundu wa mkulu-ntchito okhazikika maginito zakuthupi. Amapangidwa pogwiritsa ntchito chitsulo samarium, cobalt, ndi zitsulo zina zosowa, zomwe zimawapanga kukhala maginito okwera mtengo kwambiri kupanga. Kupanga kumaphatikizapo kusungunuka, mphero, kukanikiza, ndi sintering, zomwe zimapangitsa kuti pakhale zinthu zosiyanasiyana komanso maginito. Ubwino umodzi wodziwika wa maginito a SmCo ndi kukana kwawo kwa dzimbiri, komanso kuthekera kwawo kupirira kutentha kwambiri, kufika ku 350 ° C, ndipo nthawi zina ngakhale 500 ° C. Kukana kutentha kumeneku kumawasiyanitsa ndi maginito ena okhazikika omwe amalekerera kutentha kwambiri, kupatsa maginito a SmCo m'mphepete kwambiri.
Monga momwe kasitomala amafotokozera, ma roughcasts a SmCo Magnets amasinthidwa ndi makina kuti akwaniritse mawonekedwe ndi makulidwe omwe akufuna. Pokhapokha atalangizidwa mwanjira ina ndi kasitomala, zinthu zomaliza zidzakhala ndi maginito. Zipangizo zamaginito, monga maginito a SmCo, zimakhala ndi maginito ndipo zimawonetsa maginito osiyanasiyana. Amatha kupanga maginito ogwiritsira ntchito monga ma motors, maginito makina, masensa, ndi zida za microwave, pakati pa ena. Pochita ngati sing'anga yosamutsa ndikusintha mphamvu ya maginito kukhala mphamvu yamakina ndi mphamvu yamagetsi, zida zamaginito zimathandizira kuwongolera ndikukwaniritsa zomwe mukufuna.
Maginito a SmCo ndi ofanana ndi mphamvuMaginito a Neodymiumkoma kukhala ndi kutentha kwakukulu kukana ndi kukakamiza. Maginito a SmCo ndi chisankho chomwe chimakondedwa pamagalimoto ofunikira kwambiri chifukwa cha kukana kwawo mwamphamvu kukhudzidwa ndi demagnetization komanso kukhazikika kwamafuta. Monga maginito a Neodymium, maginito a SmCo amafunanso zokutira kuti apewe dzimbiri. Komabe, kukana kwake kwa dzimbiri ndikwabwinoko kuposa kwa NdFeB. M'malo okhala acidic, SmCo Magnes iyenera kukhala yokutidwa. Kukana kwake kwa dzimbiri kumaperekanso chitsimikizo kwa iwo omwe akuganiza zogwiritsa ntchito maginito pazachipatala.
NdFeB Magnet amachita bwino pa kutentha m'munsi, pamene SmCo Magnet amachita bwino pa kutentha apamwamba. Neodymium Iron Boron Magnets ndi maginito amphamvu kwambiri osatha kutentha kwa firiji mpaka pafupifupi 230 digiri Celsius, kuyeza ndi maginito awo otsalira a Br. Koma mphamvu zawo zimachepa mofulumira ndi kutentha kwakukulu. Pamene kutentha ntchito ikuyandikira madigiri 230 Celsius, ntchito ya samarium cobalt maginito akuyamba kuposa wa NdFeB.
SmCo Magnet ndi yachiwiri yamphamvu maginito yakuthupi yokhala ndi luso lodana ndi demagnetization, yomwe imagwiritsidwa ntchito kwambiri muzamlengalenga kapena m'mafakitale pomwe magwiridwe antchito amakhala patsogolo komanso mtengo wake ndi wachiwiri. Maginito a SmCo opangidwa mu 1970s ndi amphamvu kuposaMaginito a Ceramics (Maginito a Ferrite)ndiMagnets a Aluminium Nickel Cobalt (Maginito a AlNiCo), koma osati amphamvu ngati Neodymium Magnets. Maginito a Samarium Cobalt amagawidwa m'magulu awiri, ogawidwa ndi mphamvu. Mtundu wamagetsi a gulu loyamba la Sm1Co5 (lomwe limadziwikanso kuti 1-5) ndi gulu lachiwiri la Sm2Co17 (2-17).
Zithunzi za Honsen Magneticsamapanga mitundu yosiyanasiyana yaSmCo5 ndi Sm2Co17 maginito.
Kupanga Njira ya SmCo maginito
Maginito a SmCo ndi Neodymium Magnets amagawana njira yofananira yopanga. Amayamba ngati zitsulo za ufa, zomwe zimasakanizidwa ndi kuphatikizika pansi pa mphamvu yamphamvu ya maginito. Zida zophatikizikazo zimatenthedwa kuti zipange maginito olimba. Pankhani yokonza, zida zonse ziwiri zimafunikira kugwiritsa ntchito zida za diamondi, makina otulutsa magetsi, kapena kupera kwa abrasive. Njirazi ndizofunikira kuti mukwaniritse mawonekedwe omwe mukufuna komanso kukula kwa maginito. Kupanga maginito a SmCo (Samarium Cobalt) kumaphatikizapo njira zingapo:
Dongosolo la ufa→ Kukanikiza→ Sintering → kuyesa katundu wa maginito → kudula → zinthu zomalizidwa
SmCo maginito ambiri kukonzedwa pansi zinthu un-maginito, ndi diamondi pogaya gudumu ndi chonyowa chabwino akupera, zimene ndi zofunika. Chifukwa cha kutentha pang'ono poyatsira, SmCo Magnets sayenera kuuma kwathunthu. Kuwala pang'ono chabe kapena magetsi osasunthika popanga amatha kuyambitsa moto mosavuta, wokhala ndi kutentha kwambiri, komwe kumakhala kovuta kuwongolera.
Basic Mbali za SmCo maginito
Demagnetization ndiyovuta makamaka kwa samarium-cobalt
Maginito a SmCo ndi okhazikika kutentha.
Ndizokwera mtengo komanso zimatengera kusinthasintha kwamitengo (cobalt ndizovuta pamtengo wamsika).
Maginito a Samarium-cobalt ali ndi dzimbiri kwambiri komanso kukana kwa okosijeni, samakutidwa kawirikawiri ndipo atha kugwiritsidwa ntchito.
Maginito a Samarium-cobalt ndi osalimba komanso osweka mosavuta komanso ophwanyika.
Maginito a Samarium Cobalt omwe ali ndi sintered amawonetsa maginito anisotropy, omwe amalepheretsa mayendedwe a magnetization kumtunda wa maginito awo. Izi zimatheka ndi kugwirizanitsa mawonekedwe a kristalo pamene akupangidwa.
SmCo maginito VS Sintered NdFeB maginito
Zotsatirazi ndi kusiyana kwakukulu pakati pa sintered NdFeB maginito ndi SmCo maginito:
1. Mphamvu yamagetsi:
Mphamvu ya maginito ya Permanent Neodymium Magnet ndi yayikulu kuposa ya SmCo Magnet. Sintered NdFeB ili ndi (BH)Max mpaka 55MGOe, pomwe zinthu za SmCo zili ndi (BH)Max ya 32MGOe. Poyerekeza ndi NdFeb zakuthupi, SmCo zakuthupi ndi bwino kukana demagnetization.
2. Kutentha kwapamwamba kwambiri
Pankhani ya kukana mkulu-kutentha, NdFeB si bwino kuposa SmCo. NdFeB imatha kupirira kutentha mpaka 230 ° C pomwe SmCo imatha kupirira kutentha mpaka 350 ° C.
3. Kukana dzimbiri
Maginito a NdFeB amalimbana ndi dzimbiri komanso makutidwe ndi okosijeni. Nthawi zambiri, amafunika kukutidwa kapena kupakidwa vacuum kuti awateteze. Zinc, nickel, epoxy, ndi zinthu zina zokutira zimagwiritsidwa ntchito pafupipafupi. Maginito opangidwa ndi SmCo sangachite dzimbiri.
4. Maonekedwe, ndondomeko, ndi kusonkhanitsa
Chifukwa fragility awo, NdFeb ndi SmCo sangathe kupangidwa ntchito muyezo kudula njira. Magudumu a diamondi ndi kudula ma electrode ndi njira ziwiri zazikulu zopangira. Izi zimachepetsa mawonekedwe a maginitowa omwe angapangidwe. Maonekedwe ovuta kwambiri sangagwiritsidwe ntchito. Zinthu za SmCo ndizowonongeka komanso zosweka poyerekeza ndi zida zina. Chifukwa chake, pomanga ndikugwiritsa ntchito maginito a SmCo, chonde samalani kwambiri.
5. Mtengo
Maginito a SmCo anali okwera mtengo kawiri ngati osakwera katatu, monga maginito a NdFeB zaka zingapo zapitazo. Chifukwa cha malamulo oletsa dziko mu migodi osowa nthaka, mtengo wa NdFeB wakula kwambiri m'zaka zaposachedwa. Kwenikweni, maginito wamba a NdFeB ndiotsika mtengo kuposa samarium cobalt.
Kugwiritsa ntchito maginito a SmCo
Amphamvu kugonjetsedwa ndi dzimbiri ndi makutidwe ndi okosijeni, SmCo maginito kupeza ntchito kwambiri m'minda ya ndege, zamlengalenga, chitetezo dziko, ndi asilikali, komanso kupanga zigawo zikuluzikulu mayikirowevu, mankhwala zipangizo, zida, ndi zipangizo, komanso mitundu yosiyanasiyana. Masensa a maginito, mapurosesa, ma motors, ndi maginito okweza. Ntchito zofananira zamafakitale za NdFeB zimaphatikizapo masiwichi, zokuzira mawu, ma mota amagetsi, zida, ndi masensa.
N’CHIFUKWA CHIYANI MUTISANKHE
Kwa zaka zoposa khumi,Zithunzi za Honsen Magneticswachita bwino kwambiri pakupanga ndi kugulitsaMaginito OkhazikikandiMagnetic Assemblies. Mizere yathu yopanga imaphimba njira zazikulu monga makina, kusonkhanitsa, kuwotcherera, ndi jekeseni, zomwe zimatilola kupereka yankho lathunthu kwa makasitomala athu. Ndi mphamvu zathu zambiri, timatha kupanga zinthu zapamwamba zomwe zimakwaniritsa zofunikira kwambiri.
1. Timatha kupanga zinthu zambiri za Samarium Cobalt mu maonekedwe osiyanasiyana komanso kukhala ndi katundu wosiyana.
2. Kuthekera kwathu kopanga kumafikira kupanga maginito a SmCo okhala ndi kukula kwakukulu, maginito onse omwe angathe.
3. Tili ndi ukatswiri wofunikira ndi zothandizira kupanga maginito apamwamba a YXG-33H, omwe amadzitamandira (BH) max 30-33MGOe.
4. Tili ndi mphamvu yopereka maginito ambiri a SmCo mu bata, ndi ntchito, ndipo tili ndi coercivity yapamwamba ya HK (HK≥18KOe).
5. Tikhoza injiniya maginito ndi mizati Mipikisano, koma nkofunika kuzindikira kuti makulidwe magnetization zambiri si upambana 6mm.
6. Timatha kupereka maginito ndi kupatuka kwa maginito osakwana 1 °, kuonetsetsa kulondola kwapadera pakugwirizanitsa maginito.
7. Tili ndi kuthekera kosintha makonda a YXG-35 kalasi ya SmCo yokhala ndi mphamvu yapamwamba kwambiri yamaginito, yopereka Br osiyanasiyana 11.6-12kGs ndi (BH) max osiyanasiyana 32-35MGOe. Mphamvu yamaginitoyi ndiyomwe ili pamwamba kwambiri pamakampani a samarium cobalt.
8. Timapereka maginito a SmCo osinthika ndi otsika kwambiri kutentha (LTC) monga mndandanda wa YXG-18. Maginitowa amasonyeza kukhazikika kwa kutentha, ndi kutentha kwa Br pa RT-100 ℃ ya -0.001%/℃.
9. Timaperekanso maginito apamwamba kwambiri a HT500 SmCo omwe angagwirizane ndi zomwe mukufuna. Maginitowa amatha kupirira kutentha kwambiri, ndi kutentha kwakukulu kogwira ntchito kwa 500 ℃.
10. Tili ndi kuthekera kutulutsa maginito a SmCo mu mawonekedwe osiyanasiyana ovuta ndikupereka njira zingapo zamaginito zamaginito, kuphatikiza Halbach Arrays.
Multipole Magnetization
Kupatuka kwa Ngongole
Halbach Array
ZINTHU ZOPHUNZITSA
Ndife odzipereka kupatsa makasitomala athu chithandizo chokhazikika komanso zinthu zatsopano, zopikisana zomwe zimalimbitsa msika wathu. Polimbikitsidwa ndi kusintha kosinthika kwa maginito okhazikika ndi zigawo zake, ndife osasunthika potsata kukula ndikuwona misika yatsopano kudzera muukadaulo waukadaulo. Motsogozedwa ndi mainjiniya wamkulu, dipatimenti yathu yodziwa bwino za R&D imathandizira ukadaulo wapanyumba, imalimbikitsa ubale wamakasitomala, ndipo imayang'anira momwe msika ukuyendera. Magulu odziyimira pawokha amayang'anira ntchito zapadziko lonse lapansi, ndikuwonetsetsa kuti ntchito zofufuza zikupita patsogolo.
UKHALIDWE NDI CHITETEZO
Kasamalidwe kabwino ndi gawo lofunikira kwambiri pamakampani athu. Timawona khalidwe ngati kugunda kwa mtima ndi kampasi ya bizinesi. Kudzipereka kwathu kumapitilira pamwamba pomwe tikuphatikiza dongosolo lokwanira la kasamalidwe kabwino muzochita zathu. Kudzera m'njira imeneyi, timatsimikizira kuti zogulitsa zathu zimakwaniritsa ndikupitilira zomwe makasitomala amafuna, kuwonetsa kudzipereka kwathu kuchita bwino kwambiri.
KUPAKA KWATHU
Timamvetsetsa kufunikira kolongedza katundu wa maginito, makamaka ndi mpweya ndi nyanja. Makhalidwe apadera a maginito amafunikira chisamaliro chapadera ndi kusamala kuti awonetsetse kuti amaperekedwa motetezeka kwa makasitomala. Kuti tikwaniritse zofunikirazi, tapanga njira yolimbikitsira yopangira zinthu zomwe zimapangidwira maginito. Zida zathu zonyamula katundu zimasankhidwa mosamala kuti zipereke chitetezo chokwanira kuzinthu zakunja monga kugwedezeka, chinyezi, ndi kusokonezeka kwa maginito. Timagwiritsa ntchito kuphatikiza kwa makatoni okhazikika, zotchingira thovu, ndi zinthu zotsutsana ndi ma static kuti titeteze kukhulupirika kwa zinthu zamaginito panthawi yotumiza. Kuphatikiza apo, timagwiritsa ntchito njira zowongolera zowongolera kuti tiwonetsetse kuti chilichonse chomwe chapakidwa chikukwaniritsa miyezo yathu yapamwamba.
Potengera kusamala pakuyika zida zamaginito, tikufuna kuchepetsa chiwopsezo, kuwonetsetsa kuti zinthu zathu zizikhala ndi moyo wautali, ndikuwonjezera kukhutira kwamakasitomala. Timakhulupirira kuti kulongedza moyenera ndi gawo lofunika kwambiri pakudzipereka kwathu kuti tipereke zinthu zabwino kwambiri zamaginito kwa makasitomala athu, mosasamala kanthu za mayendedwe.
