Sintered NdFeB magnetik na-adịgide adịgide, dị ka otu n'ime ihe ndị dị mkpa iji kwalite nkà na ụzụ nke oge a na ọganihu mmekọrịta ọha na eze, na-ejikarị na mpaghara ndị a: diski kọmputa kọmputa, ihe ngosi resonance magnetik, ụgbọ ala eletrik, ọgbọ ike ikuku, moto magnet na-adịgide adịgide nke ụlọ ọrụ, ngwá electronic ndị na-azụ ahịa. (CD, DVD, ekwe ntị, audio, copiers, scanner, video camera, camera, friji, TV sets, air conditioners, wdg) na igwe magnetik, magnetik. teknụzụ levitation, nnyefe magnetik na ụlọ ọrụ ndị ọzọ.
N'ime afọ 30 gara aga, ụlọ ọrụ ihe ndọta na-adịgide adịgide na-aga n'ihu kemgbe 1985, mgbe ụlọ ọrụ ahụ malitere ịmalite na Japan, China, Europe na United States, na ihe magnetik anọwo na-edekọ ndekọ ọhụrụ ma na-abawanye ọnụ ọgụgụ ihe dị iche iche na akara ule. Tinyere mgbasawanye nke ahịa ahụ, ndị na-emepụta ihe na-arịwanye elu, na ọtụtụ ndị ahịa na-apụghị izere ezere na mgbagwoju anya a, otu esi ekpe ikpe ziri ezi nke ngwaahịa ahụ? Ụzọ kachasị mfe iji kpee ikpe: nke mbụ, ịrụ ọrụ magnet; nke abụọ, nha magnet; nke atọ, mkpuchi magnet.
Nke mbụ, nkwa nke ịrụ ọrụ magnet na-abịa site na njikwa nke usoro mmepụta nke akụrụngwa
1, Dị ka chọrọ nke Enterprise n'ichepụta elu-ọkwa ma ọ bụ n'etiti ọkwa ma ọ bụ ala-ọkwa sintered NdFeB, na akụrụngwa mejupụtara dị ka mba ọkọlọtọ ịzụta akụrụngwa.
2, The elu mmepụta usoro ozugbo na-ekpebi arụmọrụ àgwà nke magnet. Ugbu a, teknụzụ kachasị elu bụ teknụzụ Scaled Ingot Casting (SC), teknụzụ Hydrogen Crushing (HD) na teknụzụ Airflow Mill (JM).
E jirila nnukwu ikike dochie obere oghere induction ọkụ ọkụ (10kg, 25kg, 50kg) site na nnukwu ikike (100kg, 200kg, 600kg, 800kg) ọkụ induction vacuum, SC (StripCasting) teknụzụ ejiriwo nke nta nke nta dochie nnukwu ingots (ingots0). 40mm n'ụzọ jụrụ oyi), HD Teknụzụ (Hydrogen Crushing) teknụzụ na igwe ihe igwe na-agbapụta gas (JM) kama igwe na-agba agba, igwe igwe diski, igwe igwe bọọlụ (na-eme ntụ ntụ mmiri), iji hụ na ịdị n'otu nke ntụ ntụ, ma na-enye aka na nhazi nke mmiri mmiri na nhazi ọka.
3, On ndọta nghazi nghazi, China bụ naanị mba n'ụwa na adopts abụọ nzọụkwụ pịa ịkpụzi, na obere nrụgide vetikal ịkpụzi maka nghazi na quasi-isostatic ịkpụzi na njedebe, nke bụ otu n'ime ihe ndị kasị mkpa atụmatụ nke China sintered Ụlọ ọrụ NdFeB.
Nke abuo, nkwa nke magnet size dabere na ike nhazi nke ụlọ ọrụ mmepụta ihe
Ngwa n'ezie nke NdFeB magnet na-adịgide adịgide nwere ụdị dị iche iche, dị ka gburugburu, cylindrical, cylindrical (nwere oghere ime); square, square, square kọlụm; tile, fan, trapezoid, polygon na ụdị dị iche iche oge niile.
Ụdị ọ bụla nke magnet na-adịgide adịgide nwere nha dị iche iche, na usoro mmepụta siri ike ịmepụta n'otu oge. The n'ozuzu mmepụta usoro bụ: Mr. mmepụta nnukwu (nnukwu size) oghere, mgbe sintering na tempering ọgwụgwọ, mgbe ahụ site n'ibu nhazi (gụnyere ịcha, ịkụ ọkpọ) na egweri, elu plating ( mkpuchi) nhazi, na mgbe ahụ magnet arụmọrụ, elu àgwà na. ule ziri ezi akụkụ, wee magnetization, nkwakọ na ụlọ ọrụ mmepụta ihe.
1, Mechanical nhazi na-ekewa n'ime atọ edemede: (1) Ịcha nhazi: ịkpụ cylindrical, square-ekara magnets n'ime gburugburu, square ekara, (2) nhazi udi: nhazi gburugburu, square magnets n'ime fan-ụdị, tile-ụdị ma ọ bụ nwere oghere ma ọ bụ ụdị ihe ndọta ndị ọzọ gbagwojuru anya, (3) nhazi ọkpọ: nhazi okirikiri, ihe ndọta nwere ụdị mmanya square n'ime magnetik cylindrical ma ọ bụ square. Usoro nhazi bụ: nhazi ihe na-egweri na slicing, nhazi EDM na nhazi laser.
2, The elu nke sintered NdFeB na-adịgide adịgide magnet components n'ozuzu na-achọ ire ụtọ na ụfọdụ nkenke, na elu nke magnet napụtara na oghere mkpa elu egweri nhazi. The nkịtị egweri ụzọ maka square NdFeB na-adịgide adịgide magnet alloy bụ ụgbọ elu egweri, abụọ ọgwụgwụ egweri, esịtidem egweri, mpụga egweri, wdg Cylindrical ejikarị coreless egweri, abụọ ọgwụgwụ egweri, wdg N'ihi na tile, fan na VCM ndọta, multi-ọdụ egweri. eji.
Igwe magnetik tozuru etozu ọ bụghị naanị na ọ ga-ezute ọkọlọtọ arụmọrụ, mana njikwa nnabata akụkụ na-emetụta ngwa ya ozugbo. Nkwenye akụkụ ahụ na-adabere ozugbo na ike nhazi nke ụlọ ọrụ mmepụta ihe. The nhazi akụrụngwa na-mgbe niile emelitere na akụ na ụba na ahịa na-achọ, na omume nke ọzọ ịrụ ọrụ nke ọma ngwá na ulo oru automation bụghị nanị na izute na-eto eto ina nke ndị ahịa maka ngwaahịa ziri ezi, kamakwa iji zọpụta manpower na-eri, na-eme ka ọ dịkwuo asọmpi na. ahịa.
Ọzọ, ogo magnetik plating na-ekpebi ozugbo ndụ ngwa nke ngwaahịa ahụ
Nnwale, magnetik NdFeB 1cm3 sintered ga-emebi site na oxidation ma ọ bụrụ na ahapụ ya n'ikuku na 150 ℃ maka ụbọchị 51. Na ngwọta acid na-adịghị ike, o yikarịrị ka ọ ga-emebi. Iji mee ka ndọta NdFeB na-adịgide adịgide, achọrọ ka ịnwe ndụ ọrụ nke afọ 20-30.
A ghaghị ịgwọ ya na ọgwụ mgbochi corrosion iji gbochie mmebi nke magnet site na mgbasa ozi na-emebi emebi. Ka ọ dị ugbu a, a na-ekpuchi ihe ndọta NdFeB ndị sintered na-ejikarị metal plating, electroplating + kemịkalụ plating, mkpuchi electrophoretic na ọgwụgwọ phosphate iji gbochie magnet si na-emebi emebi.
1, n'ozuzu galvanized, nickel + ọla kọpa + nickel plating, nickel + ọla kọpa + chemical nickel plating usoro atọ, ndị ọzọ metal plating chọrọ, na-adịkarị etinyere mgbe nickel plating na mgbe ndị ọzọ metal plating.
2, n'ọnọdụ ụfọdụ pụrụ iche ga-ejikwa phosphating: (1) na ngwaahịa magnet NdFeB n'ihi ntụgharị, ichekwa oge dị ogologo ma ọ bụghị nke doro anya mgbe usoro ọgwụgwọ elu na-esote, iji phosphating dị mfe ma dị mfe; (2) mgbe magnet chọrọ epoxy gluu bonding, eserese, wdg, gluu, agba na ndị ọzọ epoxy organic adhesion chọrọ mma infiltration arụmọrụ nke mkpụrụ. Usoro phosphate nwere ike ime ka elu nke ike magnetị banye n'ime ya.
3, mkpuchi electrophoretic aghọwo otu n'ime teknụzụ ọgwụgwọ elu nke na-egbochi corrosion a na-ejikarị eme ihe. N'ihi na ọ bụghị naanị na ọ nwere ezigbo njikọ na elu magnet porous, kamakwa ọ nwere nguzogide corrosion na nnu nnu, acid, alkali, wdg, ezigbo mgbochi corrosion. Otú ọ dị, nguzogide ya na iru mmiri na okpomọkụ adịghị mma ma e jiri ya tụnyere mkpuchi ịgba.
Ndị ahịa nwere ike ịhọrọ mkpuchi dị ka ngwaahịa ha si arụ ọrụ chọrọ. Site na mgbasawanye nke mpaghara ngwa moto, ndị ahịa nwere ihe dị elu maka nguzogide corrosion nke NdFeB. Nnwale HAST (nke a na-akpọkwa PCT test) bụ iji nwalee nguzogide corrosion nke sintered NdFeB magnet na-adịgide adịgide n'okpuru iru mmiri na oke okpomọkụ.
Oleekwa otú onye ahịa ga-esi kpee ikpe ma plating na-emezu ihe ndị a chọrọ ma ọ bụ na ọ bụghị? Ebumnobi nke ule ịgba nnu bụ ime ngwa ngwa mgbochi corrosion ule na sintered NdFeB magnetik nke elu ya ejiri mkpuchi mgbochi corrosion gwọọ ya. N'ọgwụgwụ nke ule ahụ, a na-ewepụta ihe nlele ahụ n'ime ụlọ nyocha, akpọnwụwo, ma jiri anya ma ọ bụ iko na-ebuli elu hụ ma enwere ntụpọ n'elu ihe nlele ahụ, nha nke igbe ntụpọ na-agbanwe agba.
Oge nzipu: Jan-06-2023
