Mmepe nke moto magnet na-adịgide adịgide nwere njikọ chiri anya na mmepe nke ihe ndọta na-adịgide adịgide. China bụ obodo mbụ n'ụwa chọpụta njirimara magnetik nke ihe ndọta na-adịgide adịgide ma tinye ha n'ọrụ. Ihe karịrị afọ 2,000 gara aga, China na-eji ihe ndọta nke ihe ndọta na-adịgide adịgide mee compass, bụ nke na-ekere òkè dị ukwuu na njem ụgbọ mmiri, agha na mpaghara ndị ọzọ, wee ghọọ otu n'ime nnukwu ihe anọ nke China oge ochie.
Moto mbụ n'ụwa, nke pụtara n'afọ ndị 1920, bụ moto magnet na-adịgide adịgide nke na-eji ihe ndọta na-adịgide adịgide mee ka oghere magnetik na-akpali akpali. Agbanyeghị, ihe ndọta na-adịgide adịgide ejiri n'oge ahụ bụ magnetite eke (Fe3O4), nke nwere njupụta ike magnetik dị ala. Moto e ji mee ya buru ibu, n'oge na-adịghịkwa anya, moto mkpali ọkụ eletrik dochie ya.
Site na mmepe ngwa ngwa nke moto dị iche iche na imepụta ihe ndọta dị ugbu a, ndị mmadụ emeela nyocha miri emi na usoro, ihe mejupụtara na teknụzụ nrụpụta nke ihe ndọta na-adịgide adịgide, wee chọpụta nke ọma ọtụtụ ihe ndọta na-adịgide adịgide dị ka carbon steel, tungsten. ígwè (ngwaahịa ike magnetik kacha dị ihe dị ka 2.7 kJ/m3), na ígwè cobalt (ngwaahịa ike magnetik kacha nke ihe dịka 7.2 kJ/m3).
Karịsịa, ọdịdị nke aluminom nickel cobalt magnet na-adịgide adịgide na 1930s (ahịa ike magnetik kacha elu nwere ike iru 85 kJ / m3) na magnetik na-adịgide adịgide na 1950s (kachasị ngwaahịa ike magnetik nwere ike iru 40 kJ / m3) emeela ka ihe ndọta dịkwuo mma. , na obere obere moto dị iche iche amalitela iji ndọta ndọta na-adịgide adịgide. Ike nke moto magnet na-adịgide adịgide sitere na milliwatts ole na ole ruo iri puku kwuru iri kilowatts. A na-eji ha eme ihe n'ọtụtụ ebe na mmepụta agha, ụlọ ọrụ mmepụta ihe na ọrụ ugbo na ndụ kwa ụbọchị, na mmepụta ha abawanyela nke ukwuu.
N'otu aka ahụ, n'ime oge a, emebela ọganihu n'echiche nhazi, usoro mgbako, magnetization na nkà na ụzụ mmepụta nke moto magnet na-adịgide adịgide, na-eme usoro nyocha na usoro nyocha nke magnet na-adịgide adịgide na-arụ ọrụ eserese usoro. Otú ọ dị, ike mmanye nke AlNiCo na-adịgide adịgide magnets dị ala (36-160 kA / m), na njupụta magnetik nke remanent nke ferrite na-adịgide adịgide magnet adịghị elu (0.2-0.44 T), nke na-egbochi ngwa ngwa ha na moto.
Ọ bụghị ruo n'afọ 1960 na 1980 ka magnetik cobalt na-adịghị ahụkebe na-adịgide adịgide na neodymium iron boron magnet na-adịgide adịgide (nke a na-akpọkarị magnetik ụwa na-adịgide adịgide) pụtara otu mgbe. Njirimara magnetik ha mara mma nke njupụta magnetik dị elu, ike mmanye dị elu, ngwaahịa ike magnetik na usoro demagnetization kwụ ọtọ dabara adaba maka nrụpụta moto, si otú a na-ebute mmepe nke moto magnet na-adịgide adịgide n'ime oge akụkọ ihe mere eme ọhụrụ.
1. Ihe ndọta na-adịgide adịgide
Ihe ndọta na-adịgide adịgide nke a na-ejikarị na moto gụnyere ihe ndọta sintered na ihe ndọta jikọtara ọnụ, ụdị ndị bụ isi bụ aluminom nickel cobalt, ferrite, samarium cobalt, neodymium iron boron, wdg.
Alnico: Alnico ihe ndọta na-adịgide adịgide bụ otu n'ime ihe ndọta na-adịgide adịgide a na-ejikarị eme ihe, na usoro nkwadebe ya na teknụzụ ya tozuru oke.
Ferrite na-adịgide adịgide: N'afọ ndị 1950, ferrite malitere ito eto, karịsịa na 1970s, mgbe strontium ferrite nwere ezigbo mmanye na ike magnetik na-emepụta n'ọtụtụ buru ibu, na-agbasa ngwa ngwa iji ferrite na-adịgide adịgide. Dị ka ihe ndọta na-abụghị ọla, ferrite enweghị ihe ọghọm nke oxidation dị mfe, obere Curie okpomọkụ na ọnụ ahịa dị elu nke ihe ndọta na-adịgide adịgide, ya mere ọ na-ewu ewu nke ukwuu.
Samarium cobalt: Ihe ndọta na-adịgide adịgide nwere ihe ndọta mara mma nke pụtara n'etiti 1960 ma nwee arụmọrụ kwụsiri ike. Samarium cobalt dabara adaba maka nrụpụta moto n'ihe gbasara akụrụngwa magnetik, mana n'ihi ọnụ ahịa ya dị elu, a na-ejikarị ya na nyocha na mmepe nke moto ndị agha dị ka ụgbọ elu, ikuku ikuku, na ngwa ọgụ, na moto na mpaghara teknụzụ dị elu ebe. arụmọrụ dị elu na ọnụahịa abụghị isi ihe.
NdFeB: NdFeB ihe ndọta bụ alloy nke neodymium, iron oxide, wdg, nke a makwaara dị ka igwe ndọta. Ọ nwere ngwaahịa ike magnetik dị oke elu yana ike mmanye. N'otu oge ahụ, uru nke njupụta ike dị elu na-eme NdFeB ihe ndọta na-adịgide adịgide nke a na-ejikarị na ụlọ ọrụ ọgbara ọhụrụ na teknụzụ eletrọnịkị, na-eme ka o kwe omume iji obere ihe, mee ka ọ dị mfe na ngwa dị mkpa dị ka ngwá ọrụ, igwe eletriki eletriki, nkewa magnetik na magnetization. N'ihi na ọ nwere nnukwu neodymium na ígwè, ọ dị mfe nchara. Mfefe kemịkalụ dị n'elu bụ otu n'ime ngwọta kachasị mma ugbu a.
Nguzogide corrosion, okpomoku kacha arụ ọrụ, arụmọrụ nhazi, ọdịdị demagnetization,
na ntụnyere ọnụahịa nke ihe ndọta na-adịgide adịgide maka moto (ọgụgụ)
2.Mmetụta nke magnetik nchara udi na ndidi na moto arụmọrụ
1. Mmetụta nke ọkpụrụkpụ ígwè magnetik
Mgbe a na-edozi sekit magnetik dị n'ime ma ọ bụ n'èzí, oghere ikuku na-ebelata na mgbatị magnet dị irè na-abawanye mgbe ọkpụrụkpụ na-abawanye. Ngosipụta doro anya bụ na ọsọ na-enweghị ibu na-ebelata na enweghị ibu ugbu a na-ebelata n'okpuru otu magnetism fọdụrụnụ, na oke arụmọrụ nke moto na-abawanye. Agbanyeghị, enwekwara ọghọm dị, dị ka mmụgharị nke moto na-abawanye na oke arụmọrụ moto dịtụ elu. Ya mere, ọkpụrụkpụ nke moto magnetik ígwè kwesịrị ịdị na-agbanwe agbanwe dị ka o kwere mee iji belata vibration.
2.Influence nke magnetik nchara obosara
Maka magnetik moto na-enweghị brush nwere oghere chiri anya, mkpokọta mkpokọta enweghị ike gafere 0.5 mm. Ọ bụrụ na ọ dị obere, agaghị etinye ya. Ọ bụrụ na ọ buru oke ibu, moto ahụ ga-ama jijiji ma belata arụmọrụ. Nke a bụ n'ihi na ọnọdụ nke Ụlọ Nzukọ nke na-atụle ọnọdụ nke magnet adịghị adabara n'ezie ọnọdụ nke magnet, na obosara aghaghị ịdị na-agbanwe agbanwe, ma ọ bụghị ya, moto ahụ ga-enwe obere arụmọrụ na nnukwu mkpọtụ.
Maka moto brushed, enwere ụfọdụ ọdịiche dị n'etiti magnets, nke edobere maka mpaghara mgbanwe ngbanwe igwe. Ọ bụ ezie na enwere oghere, ọtụtụ ndị na-emepụta ihe nwere usoro nrụnye magnet siri ike iji hụ na nrụnye ziri ezi iji hụ na nrụnye ziri ezi nke magnetik moto. Ọ bụrụ na obosara magnet gafere, a gaghị etinye ya; ọ bụrụ na obosara nke magnet dị ntakịrị, ọ ga-eme ka magnet ghara ịdị na-ezighị ezi, moto ahụ ga-ama jijiji karị, na arụmọrụ ga-ebelata.
3.The mmetụta nke magnetik ígwè chamfer size na-abụghị chamfer
Ọ bụrụ na emeghị chamfer ahụ, ọnụego mgbanwe nke oghere magnetik na nsọtụ oghere magnetik nke moto ga-abụ nnukwu, na-eme ka ọkpụkpụ moto ahụ na-emegharị ahụ. Ka chamfer na-ebuwanye ibu, ka mma ahụ na-adị ntakịrị. Agbanyeghị, chamfering na-ebutekarị mfu na ndọta. Maka nkọwa ụfọdụ, ọnwụ ndọta bụ 0.5 ~ 1.5% mgbe chamfer bụ 0.8. Maka moto brushed nwere magnetism dị ala dị ala, ibelata nha chamfer n'ụzọ kwesịrị ekwesị ga-enyere aka kwụọ ụgwọ ndọta fọdụrụnụ, mana mmụgharị moto ahụ ga-abawanye. N'ikwu okwu n'ozuzu, mgbe magnetism fọdụrụnụ dị ala, enwere ike ịgbasa nnabata n'ogologo n'ụzọ kwesịrị ekwesị, nke nwere ike ịbawanye ụda magnetik dị irè ruo n'ókè ụfọdụ ma mee ka arụmọrụ moto ahụ gbanwee.
3.Notes na moto magnet na-adịgide adịgide
1. Ọdịdị sekit magnetik na nhazi nhazi
Iji nye egwuregwu zuru oke na akụrụngwa magnetik nke ihe ndọta dị iche iche na-adịgide adịgide, ọkachasị ọmarịcha magnetik nke ihe ndọta na-adịgide adịgide nke ụwa, na imepụta igwe magnetik na-adịgide adịgide na-akwụ ụgwọ, ọ gaghị ekwe omume naanị itinye usoro na usoro ngụkọ nke usoro. moto magnetik na-adịgide adịgide ma ọ bụ moto mkpali ọkụ eletrik. Ekwesịrị ịmepụta echiche imewe ọhụrụ iji nyochagharị na melite nhazi sekit magnetik. Site na mmepe ngwa ngwa nke ngwa ngwa kọmputa na teknụzụ sọftụwia, yana nkwalite na-aga n'ihu nke ụzọ imewe ọgbara ọhụrụ dị ka mgbako ọnụọgụ ọnụọgụ elektrọnịkị, nhazi njikarịcha na teknụzụ ịme anwansị, yana site na njikọ aka nke mpaghara agụmakwụkwọ moto na injinia, enwere ọganihu. Emebere ya na tiori imewe, usoro ngụkọ, usoro nhazi na teknụzụ njikwa nke moto magnet na-adịgide adịgide, na-eme usoro nyocha na ụzọ nyocha na nyocha kọmputa na-enyere aka na sọftụwia imewe nke jikọtara ọnụ ọgụgụ ọnụọgụ elektrọnik yana ihe ngwọta nyocha magnetik. na-aga n'ihu na-emeziwanye.
2. Nsogbu demagnetization na-apụghị ịgbagha agbagha
Ọ bụrụ na imewe ma ọ bụ ojiji emeghị nke ọma, moto magnet na-adịgide adịgide nwere ike ịmepụta demagnetization na-enweghị ike ịgbanwe, ma ọ bụ demagnetization, mgbe okpomọkụ dị oke elu (NdFeB magnet na-adịgide adịgide) ma ọ bụ dị ala (ferrite magnet na-adịgide adịgide), n'okpuru mmeghachi omume armature kpatara site na mmetụta ugbu a, ma ọ bụ n'okpuru nnukwu igwe na-ama jijiji, nke ga-ebelata arụmọrụ nke moto na ọbụna mee ka ọ ghara ịdị irè. Ya mere, ọ dị mkpa ịmụ na ịzụlite ụzọ na ngwaọrụ ndị kwesịrị ekwesị maka ndị na-emepụta moto iji lelee nkwụsi ike nke ihe ndọta na-adịgide adịgide, na nyochaa ikike mgbochi demagnetization nke ụdị nhazi dị iche iche, ka e wee nwee ike ịme ihe kwekọrọ na nhazi na mmepụta ihe. iji hụ na moto magnet na-adịgide adịgide anaghị efunahụ magnetism.
3. Ọnụ okwu
Ebe ọ bụ na magnetik na-adịgide adịgide n'ụwa ka dị oke ọnụ, ọnụ ahịa igwe magnetik na-adịgide adịgide na-adịkarị elu karịa nke igwe ọkụ ọkụ eletrik, nke kwesịrị ịkwụ ụgwọ site na arụmọrụ dị elu yana ego ya na-akwụ ụgwọ ọrụ. N'oge ụfọdụ, dị ka igwe okwu igwe olu maka draịva diski kọmputa, iji NdFeB ndọta na-adịgide adịgide na-eme ka arụmọrụ dịkwuo mma, na-ebelata oke na oke ma na-ebelata ọnụ ahịa niile. Mgbe ị na-emepụta ihe, ọ dị mkpa iji tụnyere arụmọrụ na ọnụahịa dabere na oge eji eme ihe na ihe a chọrọ, na ịmepụta usoro nhazi na ịkwalite atụmatụ iji belata ọnụ ahịa.
Ụgwọ nke ụlọ ọrụ Anhui Mingteng Permanent Magnet Electromechanical Equipment Co., Ltd.https://www.mingtengmotor.com/). Ọnụego demagnetization nke igwe ndọta magnetik na-adịgide adịgide abụghị ihe karịrị otu puku kwuru puku kwa afọ.
The na-adịgide adịgide magnet ihe onwunwe nke na-adịgide adịgide magnet moto rotor nke ụlọ ọrụ anyị nakweere elu magnetik ike ngwaahịa na elu intrinsic coercivity sintered NdFeB, na ot akara ule bụ N38SH, N38UH, N40UH, N42UH, wdg Were N38SH, a na-ejikarị ọkwa nke ụlọ ọrụ anyị. , dịka ọmụmaatụ: 38- na-anọchi anya ngwaahịa ike magnetik kachasị nke 38MGOe; SH na-anọchite anya oke nguzogide okpomọkụ nke 150 ℃. UH nwere oke okpomọkụ na-eguzogide 180 ℃. Ụlọ ọrụ ahụ emebela ngwá ọrụ ọkachamara na ihe nduzi nduzi maka mgbakọ nchara magnetik, wee nyochaa nke ọma na polarity nke igwe magnetik gbakọtara n'ụzọ ezi uche dị na ya, nke mere na ọnụ ọgụgụ magnetik flux uru nke oghere magnetik ọ bụla dị nso, nke na-eme ka akara ngosi nke magnetik ahụ dị nso. sekit na àgwà nke mgbakọ ígwè magnetik.
Nwebiisinka: Edemede a bụ mbipụta nke nọmba ọha WeChat “moto nke taa”, njikọ izizi https://mp.weixin.qq.com/s/zZn3UsYZeDwicEDwIdsbPg
Akụkọ a anaghị anọchi anya echiche ụlọ ọrụ anyị. Ọ bụrụ na ị nwere echiche ma ọ bụ echiche dị iche, biko gbazie anyị!
Oge nzipu: Ọgọst-30-2024