2025-10-17
Jadwalka waxyaabaha ku jira
Waa maxay su'aasha wararka hadda jira ee ku saabsan "Magnet" - iyo sababta ay u muhiim tahay
Waa maxay magnet-ka Ferrite - mabda ', guryaha oo loo isticmaalo kiisaska
Waa maxay magtteb magnet magnet - teknolojiyad, waxqabadka iyo miiska isbarbardhiga
Sida waxsoosaheena Magnet uu iftiiminayo - cabbirrada, faa'iidooyinka, Su'aalahaaga, tillaabooyinka xigta
Hoos ka hooseysa, isla falsafaddaas ee falsafadda ayaa hagaya farriinteenna badeecadaha - meelayntayagaBir labXalka Jawaabta su'aalaha dhabta ah dhagaystayaashaada ayaa raadinaya.
A Bir lab Ferrite(sidoo kale waa la magacaabay "chomicic magnet" ama "adag") waa magnet laga sameeyay xarunta dhoobada timaha ah ee macdanta Iron oxide (Fe₂o₃) oo ay weheliso metallitic oxide (barium ama stromium).
Hawsha si guud ayaa loogu lug leeyahay:
Isku-darka macdanta Irodka ee macdanta + barium / budada carbiska
Riixaya / qaabeynta qaab
Ku gubaya heerkulka sare ee jawiga la xakameeyo
Bir lab qaadida dhul magnetic duurjoogta ah
Sababtoo ah Ferrite ayaa koronto koronto leh, waxay leedahay khasaare-hooseysa oo hada lumis ah.
Waa tan isbarbardhiga guryaha Ferrite Magnet ee Magnet:
Darada | Qiimaha caadiga ah | Xusuus-qorka / Saamaynta |
---|---|---|
Dib-u-sheegid (B_R) | ~ 0.2 - 0.5 Tesla | Dheecaanka Magnetic oo hoose marka loo eego dhif-dhif |
Xirfadle (h_c) | ~ 100 illaa dhowr boqol oo ka / m | Iska caabin wanaagsan oo lagu joojiyo xaalado badan |
Wax soo saarka tamarta ugu badan (bh_max) | ~ 1 - 5 MGOE (≈ 8 - 40 KJ / M³) | Si hoose u hooseeya noocyada dhif ah |
Cucid | ~ 4.8 - 5.2 g / cm³ | Khafiif ah marka loo eego NDFEB (≈ 7.5 G / CM³) |
U dhexeeya heerkulka | -40 ° C ilaa ~ 250 ° C | Xasilloonida kuleylka ee ka fiican, dareenka yar ee heerkulka ka badan ndfeb |
Iska caabista xasaasiyadda | Sare (gebi ahaan) | Ma jiro ama hoos udhac yar oo loo baahan yahay, oo u wanaagsan bey'adda qoyan ama dibedda |
Faa'iidooyinka:
Qiimaha-wax ku oolka ah: Alaabada ceyriinka ah waa kuwo badan oo rakhiis ah
Iska caabbinta saadaalinta wanaagsan iyo xasilloonida deegaanka
U dulqaadashada heerkulka wanaagsan
KHATARTA CODSIGII AH - QIIMAHA FARSAMADA FARSAMADA
Xaddidan:
Xoog Magnetic oo hoos udhaca ah (cufnaanta flux)
U weyn ama ka culus waxqabadka magnetic
Ka yar oo ku habboon codsiyada awooda sare ee-sare
Codsiyada caadiga ah waxaa ka mid ah:
Cod-bixiyeyaasha, makarafoon
Matoorrada (fasalka dhexe ee dhexe)
Kala-goynta magnetic (halkaas oo qiime-ka-dheer-cutubku aan la aqbali karin)
Dareemayaal, ururo magnetic aaladaha
Marka la soo koobo, magnet magnet waa la isku halleyn karaa, la awoodi karo, iyo xoog - ku habboon marka xoogga aadka u daran ma aha mudnaanta, ama markii adkeysiga deegaanka ay fure tahay.
A Dembaabay ndfeb bir labwaa naadir aad u sareeya oo ah 'Doudk' oo ah magnet joogto ah oo lagu sameeyo budada budada ah.
Tallaabooyinka waxsoosaarka guud:
Aloy dhalaali iyo cqalab
Qalabka suufka / hydrogen-ka hooseysa / ganaax ganaax ah oo lagu shiido budada micro
Isku xirnaanta iyo riixida maretic
Gubashada (is-xakamaynta) ee ku dhexjirta ama gaaska intert
Daaweynta kuleylka / dulmiga si loo hagaajiyo microkant
Mashiinnada (goynta, shiididda, qaabeynta ulaha)
Daweynta Dusha / Daboolida (NI, Ni-Cu-Cu-Cu, Epoxy, iwm)
Sababta oo ah dambiilayaashu waa jajaban, foomamka badan waxaa badanaa lagu sameeyaa geedaha ugu dambeeya ee joonaanooyinka ka dambeeya guska.
Dambiilayaashu NDFEB Magnets Magnets ayaa ka mid ah magnet magnet ugu adag ee la heli karo. Qaar ka mid ah cabirka waxqabadka caadiga ah:
Wax soo saarka tamarta ugu badan (bh_max):33 ilaa 51 MGOE (≈ 265 ilaa 408 KJ / M³)
Dib-u-dhac (B_R):~ 1.0 - 1.5 t
XUQUUQDA (H_CJ):ilaa ~ 2000 ka / m (waxay ku kala duwan yihiin fasalka)
Cufnaanta:~ 7.3 - 7.7 g / cm³
Heerkulka qalliinka:Darajooyinka caadiga ah ilaa ~ 80-200 ° C; Darajooyinka gaarka ah waxay sii wadi karaan kuwa sareeya laakiin ciqaabta waxqabadka
Sababtoo ah macdanta birta ee sareysa ayaa u nugul oksidation,jaakadaha dusha sare ama lakabyada difaacawaa lama huraan (E.G. Nickel, Nice, Epoxy) si looga hortago sahabka iyo nabaad-guurka.
Si loo muujiyo halka ay guntay ku habboon tahay NDFEB, halkan waa miiska isbarbardhiga saddex nooc oo magnet ah:
XARUNTA / Nooca | Bir lab Ferrite | La xidhiidha magnetka ndfeb | Dengeray byet magnet |
---|---|---|---|
Ka kooban | Irod onide + b / sr oxides | Ndfeb budada + Grander | Si buuxda u cufan ndfeb alloy |
(Bh) _max | ~ 1 - 5 MGOE | <10 MGOE (caadi ah) | 33 - 51 MGE |
Cucid | ~ 5 g / cm³ | ~ 6 g / cm³ (oo leh caleenta) | ~ 7.3 - 7.7 g / cm³ |
Guryaha farsamada | Wax yar oo burbursan laakiin xasilloon | Dabacsanaan farsamo oo ka wanaagsan (jilicsan oo jilicsan) | Aad u burbursan - khasaare yar oo mashiin ah |
Iska caabista xasaasiyadda | Wanaagsan (dhaxal) | Wanaagsan (resin xarkaha ayaa caawinaya) | Wuxuu u baahan yahay daahan difaac |
Xasilloonida kuleylka | -40 ilaa ~ 250 ° C | Dhexaad ah | Ku kala duwan yahay fasalka; Badanaa ~ 80-200 ° C |
Qiime | Ka yar ugu yar | Dhexnadda | Ugu sarreeya (tamarta, nidaamka, mashiinka) |
Dhacdo dabacsanaan | Wuxuu ubaahanyahay caaryada ciribta | U fiican qaababka adag (mudista, wax lagu qaado) | Inta badan xannibaadda → sawiro |
Isbarbardhiga,Dembaabay ndfebwaa la doortay marka dheecaanka magnetic sare ee booska is haysta uu muhiim yahay - E.g. Motors, waxqabadka, dareemayaasha, aaladaha caafimaadka.Ferriteayaa ugufiican marka qiimaha, xasilloonida, iyo adkeysiga deegaanka ay inta badan ku jiraan.Xirtay ndfeb(In kasta oo aan aan halkan diirada u saarneyn) waa dhulka dhexe: dabacsanaanta wanaagsan: qiimahoodu hooseeyo, laakiin waa daciifnimo, laakiin wax soo saarka magnetic.
Injineerkeena xalka uurka leh si aan uga jawaabno si sax ah "Sidee / sababta / waxa" su'aalaha ay isticmaaleyaasha mustaqbalka weydiinayaan. Hoos waxaa ku yaal soojeedin qaabeysanCayayaanka Wax Soo Saarka Bir lab, Faa'iidooyinka, iyo seenyada arjiga caadiga ah.
Halkan waxaa ku yaal xaashi xaashi ah oo loogu talagalay mid ka mid ah moodooyinkayaga ugu sarreeya ee Magnet-ka-sare:
Darada | Qiimayn | Qoraallada / Darajada caadiga ah |
---|---|---|
Wax | Dembaabay ndfeb | Waxqabadka sare ee Dunida Dhulka |
Heer u qaybin | N52 / n35 / n42 (la isticmaali karo) | Iibsaduhu wuxuu cadeyn karaa codsi kasta |
Br (relitem) | 1.32 t | Waxay kuxirantahay fasalka |
Bh_x | 52 MGOE | Fasalka Tamarta Sare |
H_cj (kharashka) | 1700 waa / m | Isu-caabbic niyad jab wanaagsan |
Cucid | ~ 7.5 g / cm³ | Ku dhawaad cufnaanta jimicsiga |
Heerkulka qalliinka | Illaa 120 ° C (heer) | Kala duwanaanshaha heerkulka sare ayaa la heli karaa |
Daaha dusha sare | Ni / ni-cu-ni / epxy | Si looga hortago sahabka |
Dhismaha cabbirka | ± 0.02 mm | Qaadhista Sare ee Sare |
Qaababka la heli karo | Baloogyada, siddooyinka, discs, ulaha caamka ah | Ku habboon sawirradii macaamiisha |
Qaabka magnetka | Axdial, radial, isku-dhafan | Marka loo eego shuruudaha naqshadeynta |
Ikhtiyaaradan xuduntaani waxay hubiyaan inaan ku habboonaan karno waaxyo badan oo dalbanaya: matoorrada korantada, robotics, marawaxadaha dabaysha, dharka magnetic, dareemayaasha, iwm.
Isku-dheji xoog bir ah: Sababta oo ah (BH) _max, waxaan u gaarsiineynaa wax qabad magnetic adag oo mugga yar yar.
Dulqaad aad u sareeya & uqabba: Mashiinnadayaga, shiididda, iyo kormeerka kormeerka cabir ahaan hoos u dhaca micron.
Moodooyinka magnetka ee caadiga ah: Waxaan ku taageernaa asalal, radial, isku-dhafan ama muuqaallo isku dhafan oo isku dhafan.
Jaakad la isku halleyn karo oo loogu talagalay Ilaalinta: Ni-Cu-Cu-Cu-Cu-Cui, iyo lakabyada Epoxy hadba sida loogu baahan yahay jawigaaga dalabka.
Darajooyinka Kala-duwan ee kuleylka: Heerarka iyo fasalada joogtada ah ee heerkulka sare.
Xakamaynta Tayada iyo Baaxadda: Dufcad kasta waa la tijaabiyaa (flux, khasab, cabbir) wariyaasha buuxa ee QC.
Taageero & Isbadal: Waxaan la tashanay wareegyada magnetic-ka, kobcinta, iyo ka caawinta xulashada.
Q1: Waa maxay heerkulka ugu badan ee ugu shaqeeya ee magnet-kaaga?
A1: Qarabkayaga caadiga ah waxay ku shaqeeyaan si isku mid ah ilaa120 ° C. Codsiyada heerkulka sare, waxaan bixinaa darajooyin gaar ah oo lagu qiimeeyay ilaa 150 ° C ama ka badan, oo leh ganacsi yar-yar-yar oo ku saabsan awooda magnetic.
Q2
A2: Waxaan u adeegsanaa jaakad difaac sida Ni-Cu-Cu-Cui, ama Epoxy. Lakabyadaani waxay u shaqeeyaan sidii caqabado ka dhan ah oksidation, gaar ahaan kuyaala huur ama dagaal badan.
Q3: Ma siin kartaa qaababka caadiga ah iyo qaababka magnetka?
A3: Haa. Waxaan u habeeyneynaa joodanta (bayoolajiyada, giraanta, ulaha) oo aan taageerno asalar, radial, iyo magdhafyo badan, magdhawga isku-darka macaamiisha iyo baahiyaha codsiyada.
SideeMiyaad ka faa'iideysataa isticmaalka xalkaheena magnetka? - Waxaad heleysaa wax qabad, xoog wax ku ool ah, oo leh wax qabad weyn oo magnetic ah, oo leh qaababka caadiga ah iyo sax ahaan aad u wanaagsan, karti u yeelo nashqado iyo naqshado hufan oo hufan.
Maxaa yeelayKa xulo tan ka badan Ferrite-ka Ferrite ama Magnets-ka-shelf-ka - Sababtoo ah marka waxqabadka, ismiidaaminta, ama arrimaha naqshadeynta magnetic magnetic, xulka dembiga ee NDFEBEB): Furxad ka badan, cufnaanta ka sii fiican, iyo astaamaha lagu hayo.
Maxaysax ma heshaa? - Waxaad heleysaa injineer injineer ah oo aad u dulqaadasho adag, oo si buuxda loo tijaabiyo, oo leh jaakad ilaalin ah iyo taabasho naqshadeeya - oo aan ahayn uun "Magnet ka baxsan shelf."
Ku darista sheekadaas, waxaan sidoo kale ku dhexjireynaa waxyaabaha ku jira masuuliyada Ferrite magnet si aan uga caawino macaamiisha inay fahmaan markii Ferrite ay ku filan tahay, marka waxqabadka dheeraadka ah ee NDFEB loo baahan yahay.
Waxaan ka shaqaynaa sumaddaXisaab xidid, Gaarsiinta xalalka tayo sare leh ee la-hawlgala siinta injineernimadaada faahfaahintaada. Hadaad jeceshahay inaad sahamiso naqshadaha magnetka caadiga ah, codso tijaabada muunad, ama hel oraah qoraal oo faahfaahsan, fadlannala soo xiriir- Kooxdayada farsamada ayaa si dhakhso ah uga jawaabi doonta oo u habeyn doonta xalka ugu fiican arjigaaga.