Sida magacu soo jeediyo, alaabta graphite waa dhammaan noocyada qalabka graphite iyo alaabta garaafyada qaabaysan ee gaarka ah ee lagu farsameeyo qalabka mashiinka CNC ee ku saleysan alaabta ceeriin ee garaafka, oo ay ku jiraan graphite crucible, saxan graphite, usha graphite, caaryada garaafka, kuleyliyaha graphite, sanduuqa graphite, rotor graphite iyo taxanaha kale ee alaabada graphite.
Waqtigan xaadirka ah, alaabta graphite ayaa si weyn loogu isticmaalaa warshadaha magnet joogto ah ee dhulka naadir. Alaabooyinka garaafka ugu weyn ee loo isticmaalo warshadahan waa sanduuqyada graphite ee sintering, oo sidoo kale loo yaqaan kartuunada dhagaxa, doonta graphite iyo wixii la mid ah.
Marka hore, aynu soo bandhigno waxa dhif ah dhulka magnet joogto ah, iyo codsiga iyo isticmaalka alaabta graphite ee wax soo saarka ee warshadaha this. Maaddada birta ah ee joogtada ah ee dhulka waa nooc ka mid ah walxaha magnetic, kaas oo ka samaysan daawaha ka kooban samarium, neodymium isku dhafan birta dhulka dhif ah iyo birta kala guurka (sida cobalt, birta, iwm), oo ay ku duugan tahay habka birta budada ah iyo magnetized by field magnetic. Alaabta birlabeedka joogtada ah ee dhulka waxa loo qaybiyaa SmCo magnet joogto ah iyo NdFeB magnet joogto ah. Waxaa ka mid ah, sheyga tamarta magnetic ee magnetka SmCo waa inta u dhaxaysa 15-30 mgoe, iyo kan magnetka NdFeB wuxuu u dhexeeyaa 27-50 mgoe, kaas oo loo yaqaan "boqor magnet joogto ah". Samarium cobalt magnet joogto ah, in kasta oo ay leedahay sifooyin bir ah oo aad u wanaagsan, waxaa ku jira samarium bir dhif ah iyo kobalt, kuwaas oo ah kobalt bir istiraatijiyadeed naadir ah oo qaali ah. Sidaa darteed, horumarkeeda si weyn ayaa loo xaddiday. Ka dib markii sano oo dadaal ah cilmi-baarayaasha sayniska ee Shiinaha, gobolka ayaa maal badan oo lacag ah in industry ee, iyo biraha kala guurka dhif cusub dhulka iyo birta nitrogen dhif ah dhulka nitrogen alaabta daawaha joogto ah waxaa la horumariyo, Waa suurtogal in la noqdo jiil cusub oo dhulka dhif ah daawaha magnet joogto ah. Wax soo saarka qalabka birlabku wuxuu u baahan yahay in la isticmaalo kiis garaafeed si loogu dhufto heerkulka sare ee foornada faakuumka. Qalabka birta ah ee joogtada ah waxay ku xiran yihiin dusha gudaha ee kiiska graphite ee heerkulka isku midka ah, iyo qalabka birlabeedka joogtada ah ee loo baahan yahay iyo aluminium magnetic joogto ah ayaa ugu dambeyntii la safeeyey.
Sida soo saaraha ee alaabta graphite, sanduuqa graphite (goobka graphite, kartoonada graphite) ay soo saartay Zhonghong qalab cusub waxaa si weyn loo isticmaalo in saarayaasha dhulka dhif ah magnet joogto ah, oo waxaa ammaanay macaamiisha iyo aasaasay xiriir iskaashi muddo dheer xasilloon!
Waqtiga boostada: Juun-18-2021