Magnets na Zobe don Motoci: Jagorar Aikace-aikacen BLDC, Stepper & Servo

Amsa Mai Sauri:Ga injinan BLDC, yi amfani da maganadisu na zobe mai radiyo da yawa tare da sanduna 8-24 a cikin matakin N42SH ko N45SH; ga injinan stepper, zoben NdFeB da aka haɗa tare da sanduna 50+ ko sintered N35SH don ƙirar haɗin gwiwa; ga injinan servo, zoben sintered mai daidaituwa (ɓangaren juyi ƙasa da ±2%) a cikin N45SH ko N48SH. Duk aikace-aikacen injin sama da 100°C suna buƙatar matakin SH ko UH. Ripple mai juyi tare da maganadisu na zobe shine 2-5% idan aka kwatanta da 8-15% tare da haɗakar baka mai rarrabuwa.

Dangane daFasaha ta FullzenAinihin ƙwarewar samarwa ta maganadisu na zoben mota 50,000 a kowane wata, waɗannan ƙarshen zaɓin da za a iya aiwatarwa kai tsaye an bayar da su ta nau'in motar:

Mahimman wuraren zaɓi don maganadisu na zobe a cikin injinan BLDC/stepper/servo (ƙididdigar sanda/mataki/shafi/girma na yau da kullun)

Tsarin yanke shawara na zaɓi: tebur mai nuna tsarin da za a yi amfani da shi ga kowane nau'in injin

Ka'idojin siye na musamman don sabbin maganadisu na motar makamashi

Yanayin gazawar maganadisu na zobe a cikin injuna da kuma rigakafin su

Kwatanta bayanan aiki: zobe da baka mai rarrabuwa

Me yasa maganadisu na zobe su ne zaɓin da aka saba yi don ƙirar Mota ta Zamani

Magnets na zobe sun maye gurbin sassan baka da aka raba a cikin na'urorin juyawar motoci - waɗanda ƙananan ƙarfin juyi ke motsawa, ingantaccen ingancin injiniya, da kuma sauƙaƙe haɗuwa wanda ke rage jimlar farashin na'urar juyawa.

A cikin zaɓin maganadisu na rotor na mota, masana'antar tana canzawa daga maganadisu na gargajiya masu rarrabuwa zuwa maganadisu na zobe mai tsari ɗaya. Wannan yanayin ba daidai ba ne - sakamakon ingantawa a lokaci guda ne a cikin aiki, aminci, da farashi.

Zobe vs Raba Arc: Tazarar Aiki

Babban fa'idodin maganadisu na zobe akan haɗakar baka masu rarrabuwa:

·Ripple na karfin juyi: Magnets na zobe masu sanduna da yawa 2-5% idan aka kwatanta da baka mai sassauƙa 8-15% — ƙaramin ripple na ƙarfin juyi yana nufin aiki mai santsi, ƙarancin hayaniya, da ingantaccen daidaiton sarrafa matsayi

·Ingancin injina: Magnet ɗin zobe mai sassa ɗaya ba shi da haɗin gwiwa kuma babu haɗarin rabuwa yayin juyawa mai sauri. Bakaken da aka raba suna buƙatar haɗin manne ko gyara na inji, tare da haɗarin gazawa sama da 20,000 rpm

·Sauƙaƙawar Taro: Ana matse maganadisu na zobe a cikin na'urar juyawa a mataki ɗaya; baka masu rarrabuwa suna buƙatar daidaitawa, haɗawa, da dubawa - aikin tarawa ya ragu da kashi 50-70%.

·Ingancin da'irar maganadisu: Magnets na zobe suna da kwararar ɗigo ƙasa da kashi 15%; baka masu rarrabuwa suna da kwararar 25-30% a gidajen haɗin gwiwa - tare da kayan iri ɗaya, mafita ta zobe tana ba da kwararar ɗigo mai inganci

Akwai babban matakin farashi: ƙasa da raka'a 500 a kowane wata, baka masu rarrabuwa na iya zama mafi sassauƙa (ba a buƙatar kayan aikin maganadisu masu yawa); sama da raka'a 500 a kowane wata, fa'idar ingancin haɗuwa ta amfani da maganadisu na zobe yana rage amortization na kayan aiki, wanda ke haifar da ƙarancin jimillar farashi.

· Don cikakkun bayanai game da maganadisu na zobe, dubaAna samun maganadisu na zobe na neodymium a cikin dukkan saitunan yau da kullun da na musamman na motoci

 

Jagorar Zaɓin Magnet na Zoben Mota na BLDC

Motocin BLDC suna da mafi girman kaso na amfani da maganadisu na zobe - kuma sigogin zaɓi sun bambanta sosai tsakanin tsarin inrunner da outrunner

Motocin BLDC (ba tare da gogewa ba DC) sune mafi girman aikace-aikacen maganadisu na zobe. A cikin jigilar kayayyaki na wata-wata na Fullzen Technology, maganadisu na motar BLDC suna da sama da kashi 60%. Duk da haka, dabarun zaɓi don ƙirar inrunner da outrunner sun bambanta gaba ɗaya.

Motocin Inrunner BLDC

Inrunner BLDC: Stator a waje, rotor (magnets) yana juyawa a ciki. Ana samunsa a cikin fanka, famfo, kayan aikin wutar lantarki, da kayan aikin sarrafa kansa na masana'antu

·Tsarin maganadisu da aka ba da shawarar: Radial mai sanduna da yawa (alkiblar ID-zuwa-OD)

·Adadin sandunan da aka ba da shawarar: sandunan 8/10/12/14 (nau'i- ...

·Matsayin da aka ba da shawarar: N42SH (zafin aiki <150°C) ko N45SH (lokacin da ake buƙatar yawan ƙarfin juyi mai yawa)

·Shawarar shafa: Ni-Cu-Ni (tsatsa mai tsari) ko kuma shafa epoxy (muhalli mai danshi/sinadarai)

·Matsakaicin girman: OD 15-60mm, kauri bango 3-8mm

Me yasa za a zaɓi matakin SH? A cikin injunan BLDC masu inrunner, a lokacin da ake fama da rashin aiki ko kuma yawan aiki, zafin rotor na iya ƙaruwa zuwa 120-150°C nan take. Amfani da daidaitaccen N42 (matsakaicin 80°C) zai haifar da rushewar maganadisu a waɗannan yanayin zafi. Ƙarfin zafin jiki na 150°C na matakin SH yana ba da isasshen iyaka na aminci.

A Fullzen, tsarin da aka fi yin oda daga abokan ciniki na inrunner BLDC shine maganadisu na zobe mai lamba 12 N42SH - wannan haɗin ya ƙunshi yawancin aikace-aikacen fan da famfo na masana'antu.

Motocin BLDC na Outrunner

Outrunner BLDC: Rotor (magnets) yana juyawa a waje, stator a ciki. Ana samunsa a cikin jiragen sama marasa matuƙa, injinan tuƙi kai tsaye, da injinan cibiya na ƙafafun abin hawa na lantarki.

· Tsarin maganadisu da aka ba da shawarar: Radial mai sanduna da yawa (alkiblar OD-zuwa-ID, akasin inrunner)

· Adadin sandunan da aka ba da shawarar: sandunan 12/14/16/24 (nau'ikan sandunan 6-12) — injinan da suka fi ƙarfinsu suna da manyan diamita kuma suna iya ɗaukar ƙarin sanduna.

· Matsayin da aka ba da shawarar: N42SH ko 42UH (injinan cibiya na taya suna aiki a yanayin zafi mafi girma)

· Shawarar shafa: Rufin Epoxy ko Parylene (yanayin waje/danshi)

· Matsakaicin girman: OD 40-120mm, kauri bango 3-10mm

· Don amfani da maganadisu masu ƙarfi da ƙarfi, dubaMagnet ɗin zobe na N52 masu aiki mai ƙarfi don aikace-aikacen mota masu wahala

 

Aikace-aikacen Drone da Babban RPM

Injinan Drone suna da buƙatu na musamman don maganadisu na zobe:

·Adadin sanduna: Yawanci sanduna 4-8 (fifiko da babban saurin juyawa fiye da babban ƙarfin juyi)

·Kula da Nauyi: Zaɓi maganadisu na zobe mai sirara don rage ƙarfin rotor yayin da ake ci gaba da aikin maganadisu

·Maki: N42 ko N45 ya isa (zafin aiki na drone yawanci <80°C), amma daidaito dole ne a sarrafa shi sosai - karkacewar kwararar ruwa a cikin rukuni ɗaya dole ne <±3%

·Rufi: Ni-Cu-Ni ya isa, yana ƙara ƙaramin nauyi

Shawarwari kan Maki da Shafawa ga BLDC

·BLDC na masana'antu na yau da kullun (fansho/famfo/kayan aiki): N42SH + Ni-Cu-Ni — mafi kyawun rabon aiki-kuɗi

·BLDC mai yawan ƙarfi (EVs/robotics): N45SH ko 42UH + murfin epoxy

·Muhalli mai matuƙar zafi (BLDC) (zafin jiki/lalata): 40UH + Rufin Parylene

Jagorar Zaɓin Magnet na Stepper Motor Zobe

Motocin Stepper suna da buƙatun magnetization na musamman waɗanda suka bambanta da BLDC - stepper na hybrid na yau da kullun yana amfani da tsarin sandar ƙusoshi mai sanda 50, amma ƙira masu ƙuduri masu girma suna ƙara ɗaukar maganadisu na zobe mai sanda da yawa.

Zaɓin maganadisu na motar Stepper ya fi rikitarwa fiye da BLDC — saboda injinan stepper suna zuwa da nau'ikan tsari daban-daban, kowannensu yana da buƙatun maganadisu daban-daban

Hybrid Stepper Motors (Mizanin Pole 50)

Motocin stepper masu haɗaka sune nau'in motar stepper da aka fi amfani da ita, suna amfani da na'urar rotor mai ƙusoshi 50 a cikin tsarin daidaitaccen tsari

·Tsarin maganadisu: Hanyar gargajiya tana amfani da maganadisu mai siffar silinda mai kama da magnet a axial + rotors guda biyu masu kama da ƙugiya, ba maganadisu mai siffar zobe ba.

·Madadin maganadisu na zobe: Wasu injinan stepper masu haɗaka masu inganci sun fara amfani da maganadisu na zobe masu yawa don maye gurbin tsarin sandunan maƙalli, wanda ke ba da damar kusurwoyin matakai masu kyau (0.9°/mataki ko sama da haka)

·Idan ana amfani da maganadisu na zobe: An ba da shawarar NdFeB mai sintered, magnetization na radial na 16-32, N35SH ko N42SH.

Motocin Magnet na Dindindin Stepper

Motocin stepper na dindindin suna da tsari mafi sauƙi - rotor ɗin kansa zoben maganadisu ne mai sanduna da yawa

· Nau'in maganadisu da aka ba da shawarar: Magnet ɗin zobe na NdFeB mai haɗin Isotropic (ana iya ƙera shi ta hanyar allura zuwa tsarin sanduna da yawa)

· Adadin sandunan da aka ba da shawarar: Yawanci sandunan 24-48 - ƙarin sandunan suna nufin kusurwoyin matakai masu kyau

· Daraja: NdFeB mai haɗin Isotropic yana da BHmax na kimanin 5-10 MGOe, ƙarancin aikin maganadisu fiye da sintered, amma ya isa ga buƙatun injin stepper

· Fa'ida: Ana iya haɗa maganadisu masu haɗin kai tsaye zuwa tsarin sanduna da yawa, wanda ke kawar da buƙatar kayan aikin maganadisu masu sanduna da yawa - ƙarancin farashi

Bonded vs Sintered NdFeB don Aikace-aikacen Stepper

· Zaɓi NdFeB mai haɗin gwiwa lokacin da: Ana buƙatar yawan sandunan da suka wuce sanduna 24, buƙatun aikin maganadisu ba su da tsauri, masu sauƙin amfani da farashi — aikace-aikacen yau da kullun: sarrafa kansa na ofis, firintocin 3D, injinan yadi masu stepper

· Zaɓi NdFeB mai sintered lokacin da: Ana buƙatar yawan ƙarfin juyi mai yawa, zafin aiki ya fi girma, adadin sandunan ba shi da yawa (ƙasa da sandunan 16) — aikace-aikacen yau da kullun: injinan stepper a cikin tsarin sanya matsayi na daidaitacce na masana'antu

Jagorar Zaɓin Magnet na Zoben Mota na Servo

Motocin Servo suna buƙatar mafi girman ingancin maganadisu a tsakanin dukkan nau'ikan motoci - daidaiton kwararar ruwa, daidaiton matsayin sandar, da amincin shafi buƙatu ne marasa sasantawa.

Motocin Servo suna da mafi tsaurin buƙatun maganadisu na zobe a cikin nau'ikan motoci uku - saboda tsarin servo yana bin daidaitaccen ikon sarrafa matsayi da ƙarancin ƙarfin juyi. Duk wani rashin daidaito na maganadisu yana bayyana kai tsaye a fitowar motar.

Bukatun Daidaito na Juyawa (< ±2%)

Magnets na zoben motar Servo suna buƙatar rarraba kwararar iska mai daidaito sosai. Musamman:

· Karfin filin maganadisu tsakanin sandunan da ke kusa bai kamata ya wuce ±2% ba — ya fi tsauri fiye da ±5% na BLDC

· Bukatar daidaiton sandar sanda < ±0.05mm — sautin sandar da ba iri ɗaya ba yana haifar da kurakuran matsayi da ƙarfin juyi

· Juriyar jurewar juyi a cikin tsari ɗaya da aka sarrafa zuwa ±3%

A Fullzen Technology, ana samar da odar abokan ciniki na servo motor akan layin samarwa na musamman, kuma ana duba kowace maganadisu ta Hall kafin a jigilar ta don tabbatar da daidaito tsakanin sandunan. Duk wani maganadisu da bai cika buƙatun daidaiton ±2% ba, ana ƙin amincewa da shi.

Tsarin Ƙarfin Juyawa Mai Sauƙi

Juyin juyi shine babban abokin gaba na injinan servo - yana haifar da jijjiga da kurakuran matsayi a ƙananan gudu. Matakan gefen maganadisu don rage juyin juyi:

· Ƙara yawan sanduna: Zobba masu sanduna da yawa tare da sanduna 16+ suna rage ƙarfin cogging sosai

· Tsarin sandar da aka sassaka: Axis ɗin sandar maganadisu a ɗan kusurwa kaɗan (yawanci digiri 1-3) zuwa ga axis ɗin maganadisu, yana daidaita ƙarfin cogging yadda ya kamata

· Halbach jeri: Tsarin maganadisu na musamman wanda ke haɓaka filin maganadisu a gefen iska kuma yana raunana shi a gefen rotor - ana amfani da shi a cikin injunan servo masu ƙarfi

· Don cikakken kwatancen tsarin maganadisu, dubaJagorar Zaɓin Tsarin Magnetization 

Haɗakar Encoder da Zoben Pole da yawa

Motocin Servo galibi suna da na'urori masu ɓoyewa a ciki, waɗanda ke buƙatar zoben maganadisu mai tsayi da yawa don gano matsayin rotor.

· Yawan sandunan zobe na Encoder yawanci ya fi na'urar juyawa ta mota girma: sandunan 32/64/128/256

· Bukatun daidaiton sandar zobe mai lamba suna da matuƙar girma: ±0.02mm

· Zaɓin abu: NdFeB mai haɗin Isotropic (ana iya ƙera shi ta hanyar allura zuwa kowace adadin sanda) ko NdFeB mai sintered (babban aikin maganadisu amma adadin sandar ya iyakance ta hanyar amfani da na'urar maganadisu)

· Lura: Zoben encoder da maganadisu na rotor na mota yawanci abubuwa ne daban-daban guda biyu, ana siyan su daban-daban

Matrix Zaɓin Nau'in Mota

Wannan matrix yana haɗa mahimman sigogin zaɓi na kowane nau'in mota - yi amfani da shi azaman wurin farawa don bitar takamaiman ku da buƙatar ƙididdigewa.

Sigogi	Na'urar Rotor ta Ciki BLDC	Na'urar Rotor ta Waje BLDC	PM Stepper Motor	Motar Servo	Motar Jan Motar EV
Lambar Sandunan da aka Ba da Shawara	Sanduna 8-14	Sanduna 12-24	Sanduna 24-48	Sanduna 8-16	Sanduna 8-12
Daraja da aka ba da shawarar	N42SH	N42SH/42UH	An haɗa NdFeB	N45SH/N48SH	40UH/45UH
Tsarin Magnetization	Radial mai sansani da yawa	Radial mai sansani da yawa	Radial / Axial mai tsayi da yawa	Radial mai sansani da yawa	Radial mai sansani da yawa
Shafi da aka ba da shawarar	Ni-Cu-Ni	Epoxy/Parylene	Ni-Cu-Ni/Epoxy	Ni-Cu-Ni	Epoxy /Al+Parylene
Matsakaicin OD	15-60mm	40-120mm	20-50mm	30-80mm	60-200mm
Daidaito tsakanin juyi da ruwa	±5%	±5%	±8%	< ƙari/rage 2%	< ƙari/rage 3%
Matsakaicin Zafin Aiki	150C(SH)	180C(UH)	80-120C	150C(SH)	180-200C
Ana tsammanin Ripple na Torque	Kashi 3-5%	Kashi 3-5%	5-8%	1-3%	2-4%

· Don takamaiman hanyoyin lissafi na zaɓin girma, da fatan za a dubaJagorar Girma

· Don cikakken kwatanta sigogin maki, da fatan za a dubaJagorar Kwatanta Maki

Motocin Mota na EV & Sabbin Makamashi: Bukatu na Musamman

Injinan jan motar lantarki suna aiki a ƙarƙashin yanayi mafi wahala - yanayin zafi mai ɗorewa sama da 150°C, matakan girgiza sun wuce 10G, da rashin haƙuri ga rashin daidaiton rukuni

Sabbin injinan jan hankalin motoci masu amfani da makamashi suna da buƙatun maganadisu na zobe mafi wahala. Ba wai kawai game da aiki mai kyau ba ne - mafi mahimmanci, cancantar sarkar samar da kayayyaki da buƙatun tsarin inganci sune shingen shiga kasuwar EV.

IATF 16949 da kuma bin ka'idojin PPAP

· IATF 16949 takardar shaidar tsarin kula da ingancin masana'antar kera motoci ce kuma sharadin shiga sarkar samar da kayayyaki ta EV

·PPAP (Tsarin Amincewa da Sashen Samarwa) yana buƙatar masu samar da kayayyaki su gabatar da cikakken kunshin takardu masu inganci kafin samar da taro, gami da: zane na kwararar tsari, tsarin sarrafawa, rahoton MSA, bayanan SPC, rahoton girma, rahotannin gwajin kayan aiki/aiki.

· Mataki na 3 na PPAP shine matakin ƙaddamarwa mafi yawan jama'a, yana buƙatar ƙaddamar da samfurin + cikakken takardu

·A Fullzen Technology, muna aiki a ƙarƙashin tsarin IATF 16949 kuma muna tallafawa ƙaddamar da PPAP Level 3. Daga binciken farko zuwa amincewar PPAP yawanci yana buƙatar watanni 3-6 na daidaitawa.

Kwanciyar Hankali ga 150°C+ Ci gaba da Aiki

· Zafin da ke lanƙwasa motar EV stator na iya kaiwa 150-180°C yayin aiki mai ci gaba; yanayin zafin saman maganadisu, yayin da yake ƙasa, sau da yawa yakan wuce 120°C

· Maki da aka ba da shawarar: 40UH (180°C) ko 45UH (180°C); don yanayi mai tsanani, 48EH (200°C)

· Maɓallin maɓalli: Tilasta (Hcj) a yanayin zafi mai yawa dole ne ya kasance mai yawa sosai don tabbatar da cewa babu wani ɓarna mara canzawa da zai faru a ƙarƙashin yanayin aiki mafi tsanani

Abokan cinikinmu na EV yawanci suna buƙatar gwajin lanƙwasa na demagnetization a 150°C — don tabbatar da cewa asarar ƙarfin maganadisu a matsakaicin zafin aiki yana cikin iyakokin da aka yarda (yawanci ana buƙatar ya zama <5%)

Tsarin Bibiyar Rukunin da Kula da Daidaito

· Magnets na motar EV suna buƙatar cikakken bin diddigin rukuni: daga rukunin kayan ƙasa mai wuya → rukunin sintering → rukunin injin → rukunin magnetizing → rukunin jigilar kaya, ana iya bin diddiginsa gaba ɗaya a kowane mataki

· Bukatun daidaiton juyi: Bambancin cikin rukuni < ±3%, bambancin rukuni < ±5%

· Juriyar girma: ID/OD yawanci ana buƙatar ±0.02mm, kauri ±0.02mm — ya fi tsauri a mataki ɗaya fiye da aikace-aikacen masana'antu gabaɗaya

Fullzen yana amfani da ikon sarrafa tsarin SPC don odar EV, tare da buƙatar Cpk ya kasance >1.33. Kowane rukuni yana zuwa da cikakken rahoton dubawa (juyawa/girma/bayyanar)

Yanayin Rashin Nasara a Aikace-aikacen Motoci da Yadda Ake Hana Su

Kusan koyaushe ana iya hana lalacewar maganadisu na mota - manyan abubuwan guda huɗu da suka fi haifar da su sune lalacewar zafi, tsatsa, asarar injina mai sauri, da lalacewar haɗuwa

Ragewar Magnetization Mai Sauƙi

Rashin juyewa daga na'urar maganadisu ta mota (Irverversible demagnetization) shine yanayin da aka fi samun matsala a cikin maganadisu na mota. Dalilai:

· Zafin aiki ya wuce iyakar maki — wannan shine ke haifar da 80% na gazawar rushewar maganadisu

· Juya filin maganadisu daga amsawar armature - a lokacin yawan aiki mai yawa, filin maganadisu na stator na iya wuce ƙarfin maganadisu

· Girgiza ko girgizar injina - girgizar injina mai tsanani na iya kawo cikas ga daidaiton yankin maganadisu a cikin gida

Matakan rigakafi:

· Bar iyaka ta aminci ta 20-30°C lokacin zabar ƙimar zafin jiki — idan matsakaicin zafin aiki shine 130°C, zaɓi ƙimar SH (150°C) maimakon ƙimar da ta kai 130°C kawai

· Tabbatar da cewa Hcj na maganadisu a zafin aiki ya kasance mafi girma fiye da ƙarfin filin amsawar armature - wannan yana buƙatar injiniyan ƙirar motar ya samar da bayanan FEA

· Don iyakokin zafin jiki da sigogin aiki na maki daban-daban, duba Jagorar Kwatanta Maki

Rashin Tsatsa da Rufi

NdFeB yana da saurin kamuwa da iskar shaka da tsatsa - ba tare da kariyar rufi ba, tsatsa bayyananna za ta bayyana cikin 'yan kwanaki a cikin yanayi mai danshi. A aikace-aikacen injina, tsatsa tana haifar da:

· Fashewar saman maganadisu → Rage aikin maganadisu → Ƙara gibin iska → Rage ingancin injin

· Barewar shafi → gurɓatar tarkace a cikin injin → kamawar bear ko encoder

Shawarwarin zabar shafi:

· Muhalli na cikin gida na yau da kullun: Ni-Cu-Ni (wanda aka fi amfani da shi, mafi ƙarancin farashi, kariya mai kyau)

· Muhalli mai ɗan danshi/sinadarai: Rufin Epoxy (ƙarfin juriya ga sinadarai ga Ni-Cu-Ni, amma kaɗan kauri)

· Muhalli mai tsanani (feshin gishiri/zafin jiki mai yawa da danshi): Rufin Parylene (mafi siriri, mafi daidaito, mafi kyawun kariya, mafi tsada)

· Injinan EV: Rufin aluminum + Layer biyu na Parylene — daidaita yanayin zafi da kariya

Asarar Inji a Babban Gudu

A cikin injinan da ke da saurin gudu (>30,000 rpm), maganadisu na zobe suna fuskantar manyan ƙarfin centrifugal. Idan daidaiton magnet-zuwa-rotor-core bai da aminci, waɗannan na iya faruwa:

· Sassauta maganadisu → girgiza → hayaniya → lalacewar bearing

· A cikin mawuyacin hali, fitar da maganadisu → lalata injin

Matakan rigakafi:

· Tsarin dacewa da tsangwama: Kula da tsangwama mai dacewa (yawanci 0.01-0.03mm) tsakanin maganadisu OD da rotor ID

· Tukunyar resin Epoxy: Cika gibin da ke tsakanin maganadisu da rotor da resin epoxy, wanda ke samar da daidaito da kuma isar da zafi

· Haɗakar fiber ɗin carbon: Injinan da ke da saurin gaske (>100,000 rpm) suna buƙatar hannun riga na carbon fiber da aka naɗe a kusa da na'urar rotor.

Tambayoyin da ake yawan yi akai-akai

T: Menene ƙayyadaddun maganadisu na zobe na neodymium da aka fi sani da su ga injunan BLDC?

A: Mafi yawan ƙayyadaddun bayanai ga injinan BLDC shine zoben NdFeB mai sintered mai sintered mai yawa tare da sandunan 8-14 a cikin matakin N42SH ko N45SH, wanda aka rufe da Ni-Cu-Ni. Injinan inrunner yawanci suna amfani da sandunan 8-12; injinan outrunner suna amfani da sandunan 12-24. A Fullzen Technology, N42SH yana da sama da kashi 60% na umarnin maganadisu na zoben motar BLDC saboda daidaiton ƙarfin maganadisu da juriyar zafin jiki na 150°C.

T: Shin maganadisu na zobe za su iya maye gurbin maganadisu masu rarrabuwa a cikin ƙirar motoci da ke akwai?

A: A mafi yawan lokuta, eh. Maɓallin yawanci yana rage ƙarfin juyi daga 8-15% zuwa 2-5%, yana inganta ingancin injin rotor, kuma yana sauƙaƙa haɗuwa. Babban ƙuntatawa shine girman: maganadisu na zobe sun fi araha ga diamita na rotor ƙasa da 150mm. Ga manyan injina sama da 200mm OD, baka masu rarrabuwa na iya zama mafi amfani. A Fullzen Technology, wurin haɗuwa don ingantaccen farashi yawanci shine kusan guda 500 a kowane wata.

T: Waɗanne takaddun shaida kuke buƙata don maganadisu na zoben motar EV?

A: Magnets na motar EV suna buƙatar takardar shaidar sarrafa inganci ta IATF 16949, takardun PPAP, da kuma cikakken bin diddigin tsari daga kayan aiki zuwa samfurin da aka gama. Kwanciyar hankali yana da matuƙar muhimmanci: yawancin injinan jan hankali na EV suna aiki a 150-180°C akai-akai, suna buƙatar NdFeB mai daraja 40UH ko 45UH. A Fullzen Technology, muna kula da cikakkun bayanan bin diddigin kuma muna tallafawa ƙaddamar da PPAP Level 3 ga abokan cinikin mota.

T: Ta yaya za ku hana lalatawa a cikin aikace-aikacen injin mai zafi mai zafi?

A: Abubuwa uku suna hana rushewar magnetization: zaɓin maki daidai (ma'aunin SH na 150°C, UH na 180°C), isasshen ma'aunin tilastawa (Hcj ya kamata ya wuce filin rushewar magnetization da aƙalla 30%), da ƙirar zafi wanda ke kiyaye zafin saman maganadisu ƙasa da matsakaicin ƙimar ma'auni. Muna ba da shawarar gudanar da nazarin lanƙwasa na rushewar magnetization a yanayin zafin aiki mafi muni na injin kafin kammala matakin.

Tambaya: Menene lokacin jagora na yau da kullun don maganadisu na zoben mota na musamman?

A: Samfuran da aka saba da su a cikin girma dabam-dabam da jigilar kaya ta N42SH cikin kwanaki 7-10. Takamaiman ƙayyadaddun bayanai tare da sabbin kayan aikin maganadisu galibi suna buƙatar kwanaki 15-25 don samfuran farko. Lokacin samar da taro shine kwanaki 15-20 bayan amincewa da samfurin, ya danganta da yawan oda da rikitarwa. Zoben sanduna da yawa tare da sanduna 24+ suna buƙatar ƙarin lokacin gyara. A Fullzen Technology, muna kula da kayan da aka saba da su don rage bambancin lokacin gubar.