Maginito a Mphete a Magalimoto: Buku Lothandizira la BLDC, Stepper & Servo

Yankho Lachangu:Pa ma mota a BLDC, gwiritsani ntchito maginito a mphete ya radial ya pole yambiri yokhala ndi ma poles 8-24 mu mtundu wa N42SH kapena N45SH; pa ma mota a stepper, mphete za NdFeB zolumikizidwa ndi ma poles 50+ kapena N35SH yolumikizidwa kuti zipangidwe mosakanikirana; pa ma mota a servo, mphete zolumikizidwa molingana kwambiri (kupotoka kwa flux pansi pa ±2%) mu N45SH kapena N48SH. Ma mota onse ogwiritsidwa ntchito pamwamba pa 100°C amafunika mtundu wa SH kapena UH. Torque ripple yokhala ndi maginito a mphete ndi 2-5% poyerekeza ndi 8-15% yokhala ndi ma arc assemblies ogawika.

KutengeraUkadaulo wa FullzenPakutha kupanga maginito okwana 50,000 a mphete ya mota pamwezi, zotsatira zotsatirazi zomwe zingachitike mwachindunji zimaperekedwa ndi mtundu wa mota:

Malo ofunikira posankha maginito a mphete mu ma BLDC/stepper/servo motors (kuchuluka kwa mizati/giredi/chophimba/miyeso wamba)

Matrix ya zisankho zosankhidwa: tebulo lowonera mwachidule lomwe likuwonetsa momwe mungagwiritsire ntchito pa mtundu uliwonse wa mota

Miyezo yapadera yogulira maginito atsopano a magalimoto amphamvu

Njira zolephera za maginito a mphete mu injini ndi kupewa kwawo

Kuyerekeza deta ya magwiridwe antchito: mphete vs arc yogawidwa

Chifukwa Chake Magnets a Mphete Ndiwo Chosankha Chokhazikika pa Kapangidwe ka Magalimoto Amakono

Maginito a mphete asintha pang'onopang'ono ma arc assemblies ogawidwa m'ma rotor a mota — chifukwa cha kugwedezeka kwa torque yochepa, umphumphu wabwino wa makina, komanso kusonkhana kosavuta komwe kumachepetsa mtengo wonse wa rotor.

Posankha maginito a rotor ya mota, makampaniwa akusamuka kuchoka pa maginito a arc ogawidwa m'magulu kupita ku maginito a monolithic ring. Izi sizichitika mwangozi - ndi zotsatira za kukonza bwino nthawi imodzi pakugwira ntchito, kudalirika, komanso mtengo.

Mphete vs Arc Yogawika: Kusiyana kwa Magwiridwe Antchito

Ubwino waukulu wa maginito a mphete poyerekeza ndi magulu a arc ogawidwa m'magulu:

·Ripple ya Torque: Maginito a mphete za pole zambiri 2-5% poyerekeza ndi arc yogawanika 8-15% — ripple ya torque yotsika imatanthauza kuti ntchito yake ndi yosalala, phokoso lochepa, komanso kulondola bwino kwa malo.

·Kulimba kwa makina: Maginito a mphete opangidwa ndi chidutswa chimodzi alibe malo olumikizirana ndipo alibe chiopsezo cholekanitsidwa panthawi yozungulira mwachangu. Ma arc ogawidwa m'magulu amafuna chomangira chomatira kapena chomangira chokhazikika, ndipo chiopsezo cha kulephera ndi choposa 20,000 rpm.

·Kusavuta kupanga: Maginito a mphete amakanikizidwa mu rotor pang'onopang'ono; ma arc ogawika amafunikira kulinganiza pang'ono, kumangirira, ndi kuyang'aniridwa - ntchito yomanga imachepetsedwa ndi 50-70%

·Kugwiritsa ntchito bwino kwa maginito: Maginito a mphete amakhala ndi kutuluka kwa madzi <15%; ma arc ogawanika amakhala ndi kutuluka kwa madzi 25-30% pa malo olumikizirana - ndi chinthu chomwecho, yankho la mphete limapereka kutuluka kwa madzi kogwira mtima kwambiri.

Pali malire ofunikira a mtengo: pansi pa mayunitsi 500 pamwezi, ma arc ogawidwa m'magulu amatha kukhala osinthasintha (palibe chogwirira cha maginito cha pole yambiri chomwe chikufunika); pamwamba pa mayunitsi 500 pamwezi, ubwino wogwiritsa ntchito maginito a mphete umachepetsedwa, zomwe zimapangitsa kuti ndalama zonse zichepe.

· Kuti mudziwe zambiri zokhudza maginito a mphete, onaniMaginito a mphete ya neodymium amapezeka mumitundu yonse yokhazikika komanso yeniyeni ya injini

 

Buku Lotsogolera Kusankha Magnetti a Mphete ya Magalimoto a BLDC

Ma mota a BLDC ndi omwe amagwiritsa ntchito maginito ambiri a mphete — ndipo magawo osankhidwa amasiyana kwambiri pakati pa zomangamanga za inrunner ndi outrunner.

Ma mota a BLDC (brushless DC) ndi omwe amagwiritsidwa ntchito kwambiri pa maginito a mphete. Mu kutumiza mwezi uliwonse kwa Fullzen Technology, maginito a mota a BLDC amaposa 60%. Komabe, njira yosankhidwira mapangidwe a inrunner ndi outrunner ndi yosiyana kwambiri.

Inrunner BLDC Motors

Inrunner BLDC: Stator kunja, rotor (maginito) ikuzungulira mkati. Imapezeka kwambiri m'mafani, mapampu, zida zamagetsi, ndi zida zoyendetsera zokha zamafakitale

·Kachitidwe kovomerezeka ka maginito: Ma radial a pole yambiri (ID-to-OD direction)

·Chiwerengero cha ndodo zomwe zikulangizidwa: ndodo 8/10/12/14 (mawiri a ndodo 4-7)

·Giredi Yovomerezeka: N42SH (kutentha kogwira ntchito <150°C) kapena N45SH (ngati pakufunika kuchuluka kwa torque)

·Chophimba chomwe chikulangizidwa: Ni-Cu-Ni (chitetezo cha dzimbiri) kapena chophimba cha epoxy (malo omwe ali ndi chinyezi/mankhwala)

·Kukula kwanthawi zonse: OD 15-60mm, makulidwe a khoma 3-8mm

Bwanji kusankha giredi ya SH? Mu ma moteri a BLDC omwe ali mu inrunner, panthawi yokhazikika kapena yodzaza kwambiri, kutentha kwa rotor kumatha kukwera kufika pa 120-150°C nthawi yomweyo. Kugwiritsa ntchito N42 yokhazikika (yosapitirira 80°C) kungayambitse kuchotsedwa kwa maginito kosasinthika pa kutentha kumeneku. Mphamvu ya kutentha ya 150°C ya giredi ya SH imapereka chitetezo chokwanira.

Ku Fullzen, makina okonzedwa kwambiri ochokera kwa makasitomala a inrunner BLDC ndi maginito a mphete a N42SH okhala ndi 12-pole — kuphatikiza kumeneku kumakhudza ntchito zambiri zamafakitale monga mafani ndi mapampu.

Magalimoto Opambana a BLDC

Outrunner BLDC: Rotor (maginito) akuzungulira kunja, stator mkati. Amapezeka kwambiri mu ma drones, ma mota oyendetsera mwachindunji, ndi ma mota amagetsi a mawilo agalimoto

· Kapangidwe kovomerezeka ka maginito: Ma radial a pole zambiri (njira ya OD-to-ID, moyang'anizana ndi inrunner)

· Chiwerengero cha ndodo zomwe zikulangizidwa: ndodo 12/14/16/24 (magawo 6-12 a ndodo) — ma outrunner motors ali ndi mainchesi akuluakulu ndipo amatha kunyamula ndodo zambiri.

· Giredi yovomerezeka: N42SH kapena 42UH (ma mota a wheel hub amagwira ntchito kutentha kwambiri)

· Chophimba chomwe chimalimbikitsidwa: Chophimba cha Epoxy kapena Parylene (malo akunja/achinyezi)

· Kukula kwanthawi zonse: OD 40-120mm, makulidwe a khoma 3-10mm

· Kuti mudziwe maginito ogwira ntchito kwambiri pa ntchito zamphamvu kwambiri, onaniMaginito a mphete a N52 ogwirira ntchito kwambiri pakugwiritsa ntchito mota zovuta

 

Mapulogalamu Oyendetsa Ndege ndi Ma Drone ndi High-RPM

Ma drone motors ali ndi zofunikira zapadera pa maginito a mphete:

·Kuchuluka kwa mipiringidzo: Kawirikawiri mipiringidzo 4-8 (kuika patsogolo liwiro lozungulira kwambiri kuposa kuchuluka kwa torque)

·Kuwongolera kulemera: Sankhani maginito a mphete yopyapyala kuti muchepetse kufooka kwa rotor pamene mukupitirizabe kugwira ntchito kwa maginito

·Giredi: N42 kapena N45 ndi yokwanira (kutentha kwa ntchito ya drone nthawi zambiri <80°C), koma kusinthasintha kuyenera kulamulidwa bwino — kupotoka kwa flux mkati mwa gulu lomwelo kuyenera kukhala <±3%

·Kuphimba: Ni-Cu-Ni ndi yokwanira, kuwonjezera kulemera kochepa

Malangizo a Giredi ndi Zophimba za BLDC

·BLDC ya mafakitale wamba (mafani/mapampu/zida): N42SH + Ni-Cu-Ni — chiŵerengero chabwino kwambiri cha mtengo ndi magwiridwe antchito

·Mphamvu yayikulu ya BLDC (ma EV/ma robotiki): N45SH kapena 42UH + epoxy covering

·Malo ozungulira kwambiri BLDC (kutentha/kutupa kwambiri): 40UH + chophimba cha Parylene

Buku Lotsogolera Kusankha Magnet a Stepper Motor Ring Magnet

Ma stepper motors ali ndi zofunikira zapadera za maginito zomwe zimasiyana ndi BLDC — hybrid stepper wamba amagwiritsa ntchito kapangidwe ka claw-pole ya 50-pole, koma mapangidwe apamwamba kwambiri amagwiritsa ntchito maginito a mphete ya pole yambiri.

Kusankha maginito a mota ya stepper n'kovuta kwambiri kuposa BLDC — chifukwa maginito a stepper amabwera m'mitundu yosiyanasiyana, iliyonse ili ndi zofunikira zosiyanasiyana za maginito.

Ma Hybrid Stepper Motors (Muyezo wa 50-Pole)

Ma mota oyendera ma stepper osakanikirana ndi omwe amagwiritsidwa ntchito kwambiri pa mota yoyendera ma stepper, pogwiritsa ntchito rotor ya mano 50-tooth claw-pole mu kasinthidwe kokhazikika.

·Kapangidwe ka maginito: Njira yachikhalidwe imagwiritsa ntchito maginito ozungulira okhala ndi maginito + ma rotor awiri okhala ndi claw-pole, osati maginito ozungulira

·Njira ina yogwiritsira ntchito maginito a mphete: Ma mota ena opangidwa ndi ma stepper opangidwa ndi hybrid stepper akuyamba kugwiritsa ntchito maginito a mphete okhala ndi mizati yambiri m'malo mwa claw-pole, zomwe zimathandiza kuti ma step angono azikhala osalala (0.9°/step kapena kupitirira apo)

·Ngati mukugwiritsa ntchito maginito a mphete: NdFeB yolimbikitsidwa ndi sintered, 16-32 pole radial magnetization, N35SH kapena N42SH grade

Ma Magnet Stepper Motors Okhazikika

Ma mota okhazikika a maginito oyendera ali ndi kapangidwe kosavuta - rotor yokha ndi mphete ya maginito ya pole zambiri

· Mtundu wa maginito wovomerezeka: Maginito a mphete ya NdFeB olumikizidwa ndi Isotropic (akhoza kupangidwa ndi jakisoni m'mapangidwe a mitengo yambiri)

· Chiwerengero cha ndodo zomwe zimalimbikitsidwa: Kawirikawiri ndodo 24-48 — ndodo zambiri zimatanthauza ngodya zazing'ono zoyendera

· Giredi: NdFeB yolumikizidwa ndi isotropic ili ndi BHmax ya pafupifupi 5-10 MGOe, mphamvu ya maginito yotsika kuposa yopangidwa ndi sintered, koma yokwanira zofunikira pa mota ya stepper

· Ubwino: Maginito olumikizidwa amatha kupangidwa mwachindunji m'mapangidwe a mizati yambiri, kuchotsa kufunikira kwa zida zomangira mizati yambiri — mtengo wotsika

Bonded vs Sintered NdFeB ya Mapulogalamu a Stepper

· Sankhani NdFeB yolumikizidwa pamene: Kuchuluka kwa ndodo zopitirira 24 kukufunika, zofunikira pakugwira ntchito kwa maginito sizokwera kwambiri, zotsika mtengo — ntchito zomwe zimagwiritsidwa ntchito nthawi zambiri: makina oyendetsera ntchito ku ofesi, makina osindikizira a 3D, makina oyendera nsalu

· Sankhani NdFeB yosungunuka pamene: Kuchuluka kwa mphamvu yamagetsi kukufunika, kutentha kwa ntchito kuli kwakukulu, kuchuluka kwa ndodo sikukwera (pansi pa ndodo 16) — ntchito zomwe zimagwiritsidwa ntchito nthawi zambiri: ma stepper motors mumakina oyendetsera bwino kwambiri a mafakitale

Buku Lotsogolera Kusankha Magnetti a Servo Motor Ring

Ma Servo motors amafuna maginito apamwamba kwambiri pakati pa mitundu yonse ya maginito — kufanana kwa flux, kulondola kwa malo a pole, ndi kudalirika kwa kuvala ndi zofunikira zomwe sizingakambirane.

Ma servo motors ali ndi zofunikira kwambiri pa maginito a mphete pakati pa mitundu itatu ya ma mota — chifukwa makina a servo amatsata njira yowongolera malo moyenera komanso kugwedezeka kochepa kwa torque. Kusagwirizana kulikonse kwa maginito kumaonekera mwachindunji pa mphamvu ya injini.

Zofunikira pa Kufanana kwa Flux (< ± 2%)

Maginito a Servo motor ring amafuna kugawa kwa mpweya m'njira yofanana kwambiri. Makamaka:

· Kupatuka kwa mphamvu ya maginito pakati pa ndodo zapafupi sikuyenera kupitirira ±2% — kokhwima kwambiri kuposa ±5% ya BLDC

· Kufunika kwa kusinthasintha kwa pole pitch < ± 0.05mm — pole pitch yosafanana imayambitsa zolakwika za torque ripple ndi malo

· Kulekerera kwa Flux mkati mwa gulu lomwelo kumayendetsedwa mpaka ± 3%

Ku Fullzen Technology, maoda a makasitomala a servo motor amapangidwa pa mzere wopangira wapadera, ndipo maginito onse amafufuzidwa ndi Hall probe asanatumizidwe kuti atsimikizire kusinthasintha kwa maginito pakati pa pole. Maginito aliwonse omwe sakwaniritsa zofunikira za ±2% amakanidwa.

Kapangidwe ka Torque Yotsika Yozungulira

Mphamvu yozungulira ya cogging ndiyo mdani wamkulu wa ma servo motors — imayambitsa zolakwika za jitter ndi malo pa liwiro lotsika. Njira zochepetsera mphamvu yozungulira ya cogging:

· Wonjezerani kuchuluka kwa ndodo: Mphete zokhala ndi ndodo zambiri zokhala ndi ndodo zoposa 16 zimachepetsa kwambiri mphamvu yogwirira ntchito

· Kapangidwe ka ndodo yokhotakhota: Ndodo ya maginito yozungulira pa ngodya pang'ono (nthawi zambiri madigiri 1-3) ku ndodo ya maginito, zomwe zimathandiza kuti mphamvu yozungulira ikhale yosalala bwino.

· Halbach array: Makonzedwe apadera a maginito omwe amawonjezera mphamvu ya maginito kumbali ya mpweya ndikuyifooketsa kumbali ya rotor — yomwe imagwiritsidwa ntchito mu ma servo motors apamwamba kwambiri.

· Kuti mudziwe zambiri za kufananiza kwa maginito, onaniBuku Lotsogolera Kusankha Maonekedwe a Magnetization 

Kuphatikizika kwa Encoder ndi Mphete Zambiri

Ma Servo motors nthawi zambiri amakhala ndi ma encoder omangidwa mkati, omwe amafunikira mphete ya maginito yolondola kwambiri kuti azindikire malo a rotor.

· Chiwerengero cha ndodo za mphete za encoder nthawi zambiri chimakhala chokwera kuposa chozungulira cha mota: ndodo 32/64/128/256

· Zofunikira pa kulondola kwa chitsulo chojambulira mphete ndi zapamwamba kwambiri: ± 0.02mm

· Kusankha zinthu: NdFeB yolumikizidwa ndi Isotropic (ikhoza kupangidwa ndi jakisoni ku chiwerengero chilichonse cha mizati) kapena NdFeB yosungunuka (ntchito ya maginito yambiri koma kuchuluka kwa mizati kumachepetsedwa ndi chogwirira cha maginito)

· Zindikirani: Mphete yojambulira ndi maginito ozungulira mota nthawi zambiri zimakhala zigawo ziwiri zosiyana, zomwe zimagulidwa paokha

Matrix Yosankha Mtundu wa Mota

Matrix iyi imagwirizanitsa magawo osankhika a mtundu uliwonse wa mota — igwiritseni ntchito ngati poyambira pakuwunikanso kwanu kwa ma specification ndi pempho la mtengo.

Magawo	Chozungulira chamkati BLDC	Chozungulira chakunja BLDC	PM Stepper Motor	Servo Motor	Galimoto Yonyamula Magalimoto a EV
Nambala Yovomerezeka ya Pole	Zipilala 8-14	Zipilala 12-24	Zipilala 24-48	Zipilala 8-16	Zipilala 8-12
Giredi Yovomerezeka	N42SH	N42SH/42UH	NdFeB yolumikizidwa	N45SH/N48SH	40UH/45UH
Chitsanzo cha Magnetization	Ma Radial a Mizere Yambiri	Ma Radial a Mizere Yambiri	Zozungulira/Zozungulira za Mizere Yambiri	Ma Radial a Mizere Yambiri	Ma Radial a Mizere Yambiri
Chophimba Chovomerezeka	Ni-Cu-Ni	Epoxy/Parylene	Ni-Cu-Ni/Epoxy	Ni-Cu-Ni	Epoxy /Al+Parylene
OD wamba	15-60mm	40-120mm	20-50mm	30-80mm	60-200mm
Kufanana kwa Flux	± 5%	± 5%	± 8%	< kuphatikiza/kuchotsa 2%	< kuphatikiza/kuchotsa 3%
Kutentha Kwambiri Kwambiri	150C(SH)	180C(UH)	80-120C	150C(SH)	180-200C
Kugwedezeka kwa Torque Koyembekezeredwa	3-5%	3-5%	5-8%	1-3%	2-4%

· Kuti mudziwe njira zenizeni zowerengera zosankhira miyeso, chonde onaniBuku Lotsogolera

· Kuti muyerekezere bwino magawo a giredi, chonde onaniBuku Loyerekeza Magiredi

Magalimoto a EV ndi New Energy Vehicle Motors: Zofunikira Zapadera

Ma mota okoka magalimoto amagetsi amagwira ntchito pansi pa mikhalidwe yovuta kwambiri — kutentha kopitilira 150°C, kuchuluka kwa kugwedezeka kopitilira 10G, komanso kusagwirizana konse kwa batch.

Magalimoto atsopano ogwiritsira ntchito mphamvu zamagetsi ali ndi zofunikira kwambiri pa maginito a mphete. Sikuti ndi ntchito yabwino yokha - chofunika kwambiri, ziyeneretso za unyolo woperekera ndi zofunikira pa dongosolo labwino ndizomwe zimalepheretsa msika wa magalimoto amagetsi.

IATF 16949 ndi Kutsatira PPAP

· IATF 16949 ndi satifiketi yoyendetsera bwino magalimoto komanso chofunikira kuti munthu alowe mu unyolo wopereka magalimoto a EV.

·PPAP (Njira Yovomerezeka ya Kupanga) imafuna ogulitsa kuti apereke phukusi lathunthu la zikalata zabwino kwambiri asanapange zinthu zambiri, kuphatikizapo: chithunzi cha kayendedwe ka ntchito, dongosolo lowongolera, lipoti la MSA, deta ya SPC, lipoti la magawo, malipoti oyesera zinthu/magwiridwe antchito

· Gawo lachitatu la PPAP ndilo gawo lodziwika bwino la kutumiza, lomwe limafuna chitsanzo cha kutumiza + zikalata zonse

·Ku Fullzen Technology, timagwira ntchito motsatira dongosolo la IATF 16949 ndipo timathandizira kutumiza kwa PPAP Level 3. Kuyambira kafukufuku woyamba mpaka kuvomerezedwa kwa PPAP nthawi zambiri kumafuna miyezi 3-6 yogwirizana.

Kukhazikika kwa Kutentha kwa 150°C+ Kugwira Ntchito Mosalekeza

· Kutentha kwa stator yozungulira ya EV traction motor kumatha kufika 150-180°C panthawi yogwira ntchito mosalekeza; kutentha kwa pamwamba pa maginito, ngakhale kuli kotsika, nthawi zambiri kumapitirira 120°C

· Magiredi Ovomerezeka: 40UH (180°C) kapena 45UH (180°C); pazifukwa zovuta kwambiri, 48EH (200°C)

· Chizindikiro chachikulu: Kukakamiza (Hcj) kutentha kwambiri kuyenera kukhala kokwanira kuti zitsimikizire kuti palibe kuchotsedwa kwa maginito kosasinthika komwe kumachitika pansi pa mikhalidwe yovuta kwambiri yogwirira ntchito

Makasitomala athu a EV nthawi zambiri amafunika kuyesedwa kwa demagnetization curve pa 150°C — kutsimikizira kuti kutayika kwa remanence ya maginito pa kutentha kwakukulu kogwira ntchito kuli mkati mwa malire ovomerezeka (nthawi zambiri kumafunika kukhala <5%).

Kutsata Magulu ndi Kulamulira Kusasinthasintha

· Maginito amagetsi amafunika kutsata bwino zinthu zonse: kuchokera ku rare earth raw material batch → sintering batch → machining batch → magnetizing batch → shipping batch, yomwe imatha kutsata bwino pagawo lililonse.

· Zofunikira pa kusinthasintha kwa flux: Kupatuka mkati mwa gulu < ± 3%, kupatuka pakati pa gulu < ± 5%

· Kulekerera kwa miyeso: ID/OD nthawi zambiri imafunika ± 0.02mm, makulidwe ± 0.02mm — kalasi imodzi ndi yokhwima kuposa ntchito zamafakitale wamba.

Fullzen imagwiritsa ntchito njira yowongolera mphamvu ya SPC pa maoda a EV, ndipo Cpk imafunika kukhala >1.33. Gulu lililonse limabwera ndi lipoti lathunthu lowunikira (kusintha/kukula/mawonekedwe)

Njira Zolephera mu Kugwiritsa Ntchito Magalimoto ndi Momwe Mungapewere

Kulephera kwa maginito a injini nthawi zambiri kumapewedwa - zifukwa zinayi zomwe zimayambitsa kwambiri ndi kutentha kwa magetsi, dzimbiri, kutayika kwa makina mwachangu, komanso kuwonongeka kwa makonzedwe.

Kusasinthika kwa Magnetization

Kuchepetsa mphamvu ya maginito kosasinthika ndiyo njira yofala kwambiri yolepheretsa maginito amagetsi.

· Kutentha kogwira ntchito kopitirira malire a giredi — izi zimapangitsa 80% ya kulephera kwa demagnetization

· Mphamvu ya maginito yobwerera m'mbuyo kuchokera ku armature reaction — panthawi yodzaza mphamvu yamagetsi, mphamvu ya maginito yobwerera m'mbuyo ya stator imatha kupitirira mphamvu ya maginito.

· Kugwedezeka kwa makina kapena kugwedezeka — kugwedezeka kwakukulu kwa makina kungasokoneze kulumikizana kwa maginito m'deralo

Njira zopewera:

· Siyani malire otetezeka a 20-30°C posankha ziwerengero za kutentha — ngati kutentha kwakukulu kogwirira ntchito ndi 130°C, sankhani chiwerengero cha SH (150°C) m'malo mongofika pa 130°C.

· Tsimikizirani kuti Hcj ya maginito pa kutentha kogwirira ntchito imakhalabe yokwera kuposa mphamvu ya gawo la reaction ya armature — izi zimafuna kuti mainjiniya wopanga injini apereke deta ya FEA

· Kuti mudziwe malire a kutentha ndi magawo a magwiridwe antchito a magiredi osiyanasiyana, onani Buku Loyerekeza Magiredi

Kulephera kwa dzimbiri ndi zokutira

NdFeB imakhudzidwa kwambiri ndi okosijeni ndi dzimbiri — popanda chitetezo cha kupaka utoto, dzimbiri limaonekera mkati mwa masiku angapo m'malo okhala ndi chinyezi. Mu ntchito zamagalimoto, dzimbiri limayambitsa:

· Kupukutika kwa pamwamba pa maginito → kuwonongeka kwa magwiridwe antchito a maginito → kuwonjezeka kwa kusiyana kwa mpweya → kuchepetsa mphamvu ya injini

· Kuphimba → kuipitsidwa kwa zinyalala mkati mwa injini → kugwidwa kwa bearing kapena encoder

· Malangizo osankha utoto:

· Malo okhazikika amkati: Ni-Cu-Ni (ogwiritsidwa ntchito kwambiri, otsika mtengo, chitetezo chabwino)

· Malo okhala ndi chinyezi/mankhwala: Epoxy coating (kukana mankhwala kwambiri ku Ni-Cu-Ni, koma kokhuthala pang'ono)

· Malo ovuta kwambiri (kupopera mchere/kutentha kwambiri ndi chinyezi): Kuphimba kwa Parylene (koonda kwambiri, kofanana kwambiri, chitetezo chabwino kwambiri, mtengo wapamwamba kwambiri)

· Ma mota a EV: Chophimba cha aluminiyamu + Parylene double layer — chogwirizanitsa kutentha ndi chitetezo

Kutayika kwa Makina Pa Liwiro Lalikulu

Mu ma mota othamanga kwambiri (>30,000 rpm), maginito ozungulira amayendetsedwa ndi mphamvu zazikulu za centrifugal. Ngati magnet-to-rotor-core fit siili yotetezeka, zotsatirazi zitha kuchitika:

· Kumasula maginito → kugwedezeka → phokoso → kuvala kwa bere

· Muzochitika zoopsa kwambiri, kutulutsa maginito → kuwonongeka kwa galimoto

Njira zopewera:

· Kapangidwe ka kusakanikirana kwa zinthu: Sungani kusokoneza koyenera (nthawi zambiri 0.01-0.03mm) pakati pa OD ya maginito ndi ID ya rotor

· Kuyika ma epoxy resin: Dzazani mpata pakati pa maginito ndi rotor ndi epoxy resin, zomwe zimapangitsa kuti kutentha kukhale kolimba komanso koyendetsa bwino.

· Kuyika ulusi wa kaboni: Ma mota othamanga kwambiri (>100,000 rpm) amafuna chikwama cha ulusi wa kaboni chomwe chazunguliridwa ndi rotator kunja.

FAQ

Q: Kodi maginito a mphete ya neodymium yodziwika bwino kwambiri ya ma mota a BLDC ndi ati?

A: Mafotokozedwe odziwika bwino a ma mota a BLDC ndi mphete ya NdFeB yokhala ndi maginito ambiri yokhala ndi maginito a radially okhala ndi maginito a 8-14 mu mtundu wa N42SH kapena N45SH, yokutidwa ndi Ni-Cu-Ni. Ma mota a Inrunner nthawi zambiri amagwiritsa ntchito maginito a 8-12; ma mota a outrunner amagwiritsa ntchito maginito a 12-24. Ku Fullzen Technology, N42SH imakhala ndi maginito opitilira 60% a maginito athu a BLDC motor ring chifukwa cha mphamvu yake yabwino kwambiri ya maginito komanso kukana kutentha kwa 150°C.

Q: Kodi maginito a mphete angalowe m'malo mwa maginito a arc ogawika m'mapangidwe a mota omwe alipo kale?

A: Nthawi zambiri, inde. Chosinthirachi nthawi zambiri chimachepetsa torque ripple kuchokera pa 8-15% mpaka 2-5%, chimawongolera umphumphu wa makina a rotor, ndipo chimapangitsa kuti kusonkhana kukhale kosavuta. Choletsa chachikulu ndi kukula: maginito a mphete ndi otsika mtengo kwambiri pa ma dayamita a rotor pansi pa 150mm. Kwa ma mota akuluakulu kwambiri opitilira 200mm OD, ma arc ogawika akhoza kukhala othandiza kwambiri. Ku Fullzen Technology, malo osinthira ndalama kuti agwire bwino ntchito nthawi zambiri amakhala pafupifupi zidutswa 500 pamwezi.

Q: Ndi ziphaso ziti zomwe mukufuna pa maginito a mphete ya mota ya EV?

A: Maginito a mota za EV amafuna satifiketi yoyendetsera bwino ya IATF 16949, zolemba za PPAP, komanso kutsata bwino kuyambira pazinthu zopangira mpaka zinthu zomalizidwa. Kukhazikika kwa kutentha ndikofunikira kwambiri: maginito ambiri a EV traction amagwira ntchito pa 150-180°C mosalekeza, zomwe zimafuna 40UH kapena 45UH grade NdFeB. Ku Fullzen Technology, timasunga zolemba zonse za kutsata bwino ndikuthandizira kutumiza kwa PPAP Level 3 kwa makasitomala a magalimoto.

Q: Kodi mumaletsa bwanji kuchotsedwa kwa maginito mu injini zomwe zimatentha kwambiri?

A: Zinthu zitatu zimaletsa kuchotsedwa kwa maginito: kusankha bwino maginito (maginito a SH a 150°C, UH a 180°C), malire okwanira a coercivity (Hcj iyenera kupitirira gawo la demagnetization ndi osachepera 30%), ndi kapangidwe ka kutentha komwe kamasunga kutentha kwa pamwamba pa maginito pansi pa maginito apamwamba kwambiri. Tikukulimbikitsani kuti muyese kusanthula kwa demagnetization curve pa kutentha koyipa kwambiri kwa injini musanamalize ginito.

Q: Kodi nthawi yodziwika bwino yogwiritsira ntchito maginito a mphete ya mota ndi iti?

A: Zitsanzo zokhazikika mu kukula kofanana ndi kutumiza kwa N42SH mkati mwa masiku 7-10. Mafotokozedwe apadera okhala ndi zida zatsopano zamaginito nthawi zambiri amafunika masiku 15-25 pa zitsanzo zoyamba. Nthawi yopangira zinthu zambiri ndi masiku 15-20 pambuyo poti chitsanzo chavomerezedwa, kutengera kuchuluka kwa oda ndi zovuta zake. Mphete zokhala ndi mitengo yambiri yokhala ndi mitengo yoposa 24 zimafuna nthawi yowonjezera yopangira. Ku Fullzen Technology, timasunga zinthu zodziwika bwino kuti tichepetse kusiyana kwa nthawi yopangira zinthu.