Sintered NdFeB magnets joogto ah, oo ah mid ka mid ah walxaha muhiimka ah si kor loogu qaado tignoolajiyada casriga ah iyo horumarka bulshada, ayaa si weyn loogu isticmaalaa dhinacyada soo socda: Hard Disk-ga kombuyuutarka, Sawir-qaadista Magnet Nuclear-ka, Gaadiidka Korontada, Korontada Dabaysha, Matoorada magnet-ka joogtada ah ee warshadaha, Elektrooniga macaamiisha (CD, DVD, talefannada gacanta, maqalka, koobiyayaasha, iskaanka, kamaradaha muuqaalka, kamaradaha, talaajadaha, TV-yada, qaboojiyaha, iwm.) farsamada levitation, gudbinta magnetic iyo warshadaha kale.
30kii sano ee la soo dhaafay, warshadaha walxaha magnetka joogtada ah ee caalamiga ah ayaa kor u kacayay tan iyo 1985, markii warshaduhu bilaabeen in ay warshadeeyaan Japan, Shiinaha, Yurub iyo Maraykanka, iyo guryaha magnetka ayaa dhigayay rikoodh cusub oo kordhinaya tirada noocyo iyo darajooyin. Iyada oo ay weheliso balaadhinta suuqa, wax-soo-saarayaashu sidoo kale way sii kordhayaan, iyo macaamiil badan ayaa si lama filaan ah u qabsaday jaahwareerkan, sida loo qiimeeyo qiimaha badeecada? Habka ugu dhammaystiran ee lagu xukumo: marka hore, waxqabadka magnet; labaad, cabbirka magnetka; saddexaad, daahan magnet.
Marka hore, dammaanadda waxqabadka magnetka waxay ka timaadaa xakamaynta habka wax soo saarka ee alaabta ceeriin
1, Sida laga soo xigtay shuruudaha shirkad soo saarta heerka sare ama dhexe ama heerka hoose sintered NdFeB, Halabuurka alaabta ceeriin sida waafaqsan heerka qaranka si ay u iibsadaan alaabta ceeriin.
2. Nidaamka wax soo saarka sare ayaa si toos ah u go'aamiya tayada waxqabadka ee magnetka. Waqtigan xaadirka ah, tignoolajiyada ugu horumarsan waa tignoolajiyada Scaled Ingot Casting (SC), tignoolajiyada Hydrogen Crushing (HD) iyo tignoolajiyada Hawada Mill (JM).
Foornooyinka dhalada dhalada ee awoodda yar yar (10kg, 25kg, 50kg) waxaa lagu beddelay mug weyn (100kg, 200kg, 600kg, 800kg) foornooyinka vacuum induction foornooyinka, SC (StripCasting) tignoolajiyada ayaa si tartiib tartiib ah u beddeshay dhumuc weyn oo ka badan 2 40mm jihada qaboojinta), HD (Crushing Hydrogen Crushing) tignoolajiyada iyo gaaska socodka gaaska (JM) halkii aad ka ahaan lahayd burburiyaha daanka, mishiinka wax lagu shubo, mishiinka kubbadda (samaynta budada qoyan), si loo hubiyo in ay isku mid yihiin budada, oo ay ku haboon tahay dareeraha wejiga dareeraha ah iyo sifaynta hadhuudhka.
3. On hanuuninta duurka magnetic, Shiinaha waa dalka kaliya ee adduunka in ay qaataan laba-tallaabo saxaafadeed qaabaynta, la cadaadis yar oo qaabaynta toosan ee hanuunin iyo qaabaynta quasi-isostatic dhamaadka, taas oo ah mid ka mid ah sifooyinka ugu muhiimsan ee Shiinaha ee sintered. Warshadaha NdFeB.
Marka labaad, dammaanadda cabbirka magnetka waxay ku xiran tahay xoogga farsamaynta ee warshadda
Codsiga dhabta ah ee magnets-ka joogtada ah ee NdFeB wuxuu leeyahay qaabab kala duwan, sida wareegsan, cylindrical, cylindrical (oo leh dalool gudaha ah); afar gees, afar gees, tiir laba jibaaran; tile, marawaxad, trapezoid, geesoole iyo qaabab kala duwan oo aan joogto ahayn.
Qaab kasta oo magnets joogto ah ayaa leh cabbirro kala duwan, habka wax soo saarkana way adag tahay in la sameeyo hal mar. Habka wax soo saarka guud waa: Mr. wax soo saarka ballaaran (xajmiga weyn) bannaan, ka dib sintering iyo daawaynta tempering, ka dibna iyada oo farsamaynta farsamaynta (oo ay ku jiraan goynta, feeray) iyo shiidi, dahaarka dusha (dahaarka) processing, ka dibna waxqabadka magnet, tayada dusha iyo tijaabinta saxnaanta cabbirka, ka dibna magnetization, baakad iyo warshad.
1, farsamaynta makaanikada waxa loo qaybiyaa saddex qaybood: (1) goynta farsamaynta: goynta cylindrical, magnets-qaabeeya qaab wareeg ah, qaab labajibbaaran, (2) farsamaynta qaabaynta: wareega farsamaynta, magnet-ka labajibbaaran ee fanka-qaabeeya, foornada-qaabeeya ama oo leh jeexdin ama qaabab kale oo qalafsan oo birlab ah, (3) farsamaynta feedh: samaynta wareega, bir-geeska leh magnets-ka oo isu roga magnets qaabaysan ama qaab-jibaaran. Hababka habayntu waa: shiidid iyo farsamaynta goynta, farsamaynta goynta EDM iyo farsamaynta laysarka.
2, Dusha sare ee sintered NdFeB magnet joogto ah qaybaha guud ahaan waxay u baahan tahay siman iyo sax gaar ah, iyo dusha magnet ka dhiibay bannaan u baahan yahay processing shiidi dusha. Hababka shiididda caadiga ah ee square NdFeB daawaha magnet joogto ah waa shiidi diyaarad, shiidi dhamaadka double, shiidi gudaha, shiidi dibadda, iwm. loo isticmaalo.
Magnet u qalma kaliya uma baahna inuu buuxiyo heerka waxqabadka, laakiin sidoo kale xakamaynta dulqaadka cabbirku waxay si toos ah u saamaysaa codsigeeda. Dammaanadda cabbirku waxay si toos ah ugu xidhan tahay awoodda habaynta warshadda. Qalabka farsamaynta waxaa si joogto ah loo cusbooneysiiyaa baahida dhaqaale iyo suuqa, iyo isbeddelka qalabka wax ku oolka badan iyo qalabaynta warshadaha ma aha oo kaliya in la daboolo baahida sii kordheysa ee macaamiisha saxnaanta alaabta, laakiin sidoo kale si loo badbaadiyo xoogga iyo kharashka, taas oo ka dhigaysa mid aad u tartan badan suuqa.
Mar labaad, tayada dhejinta magnetka ayaa si toos ah u go'aamisa nolosha codsiga ee alaabta
Tijaabo ahaan, magnet NdFeB oo ah 1cm3 sintered ayaa daxaloobaysa oksaydheynta haddii looga tago hawada 150℃ 51 maalmood. Xalka aashitada daciifka ah, waxay u badan tahay inuu daxaloobay. Si loo sameeyo magnets-ka joogtada ah ee NdFeB mid waara, waxa loo baahan yahay in la haysto nolol adeeg 20-30 sano ah.
Waa in lagu daweeyaa daawaynta ka-hortagga daxalka si looga hortago daxalka magnetka ee warbaahinta daxalka ah. Waqtigan xaadirka ah, magnets-ka NdFeB ee sintered ayaa guud ahaan dahaarka leh dahaadh bir ah, electroplating + dahaadhay kiimikaad, daahan electrophoretic iyo fosfooraska daahan si looga hortago magnet ka dhex daxalka.
1, guud ahaan galvanized, nikkel + copper + nickel plating, nikkel + copper + kiimikaad nikkel dahaadhay saddex hab, shuruudaha kale ee dahaaridda biraha, ayaa guud ahaan la dabaqaa ka dib dahaajinta nikkel ka dibna dahaadhaysa kale biraha kale.
2, xaaladaha qaarkood ee gaarka ah waxay sidoo kale isticmaali doonaan fosfatinta: (1) ee alaabta magnetka ee NdFeB sababtoo ah isbeddelka, ilaalinta wakhtigu waa mid aad u dheer oo aan caddayn marka habka daaweynta dusha sare ee xiga, isticmaalka fosfatinta fudud oo fudud; (2) marka magnet u baahan yahay xidhitaanka xabagta epoxy, rinjiyeynta, iwm, xabagta, rinjiga iyo adhesion kale epoxy organic waxay u baahan tahay waxqabadka dhexgalka wanaagsan ee substrate ah. Habka fosfatinta ayaa wanaajin kara dusha sare ee awoodda magnetka si uu u dhex galo.
3, daahan electrophoretic waxa uu noqday mid ka mid ah technology daaweynta dusha sare ee si weyn loo isticmaalo. Sababtoo ah ma aha oo kaliya inay leedahay isku-xirnaansho wanaagsan oo leh dusha magnet-ka-daloolada ah, laakiin sidoo kale waxay leedahay iska caabin daxalka si ay u buufiso milixda, acid, alkali, iwm, anti-daxalka aad u fiican. Si kastaba ha ahaatee, caabbinta ay u leedahay qoyaanka iyo kulaylka ayaa liidata marka loo eego dahaarka buufinta.
Macaamiishu waxay dooran karaan dahaarka iyadoo loo eegayo shuruudaha shaqada ee alaabta. Iyada oo la ballaarinayo goobta codsiga mootada, macaamiishu waxay leeyihiin shuruudo sare oo loogu talagalay iska caabbinta daxalka ee NdFeB. Tijaabada HAST (sidoo kale loo yaqaan tijaabada PCT) waa in lagu tijaabiyo iska caabbinta daxalka ee magnets-ka joogtada ah ee NdFeB ee hoos yimaada qoyaanka iyo jawiga heerkulka sare.
Sideese uu macmiilku u xukumi karaa in dayntu buuxisay shuruudaha iyo in kale? Ujeedada tijaabada buufinta milixdu waa in lagu sameeyo tijaabo degdeg ah oo ka-hortagga daxalka ee magnets-ka NdFeB-da-daxalka leh oo dusha sare lagu daweeyay daahan ka-hortagga daxalka. Dhammaadka tijaabada, muunadda ayaa laga soo saarayaa qolka tijaabada, oo la qalajiyey, waxaana lagu eegayaa indho ama muraayado waaweyn si loo eego haddii ay jiraan baro ku yaal dusha shaybaarka, cabbirka goobta booska sanduuqa midab ayaa isbeddelaya.
Waqtiga boostada: Jan-06-2023
