Ma'aikatar Kasuwancin Amurka ta sanar a ranar 24 ga Satumba cewa ta fara binciken "232" kan ko shigo da Neodymium-iron-boron magnets (Neodymium-iron-boron dindindin maganadisu) yana cutar da tsaron kasa na Amurka.Wannan shine "bincike 232" na farko da gwamnatin Biden ta fara tun lokacin da ya hau kan karagar mulki.Ma'aikatar Kasuwancin Amurka ta bayyana cewa ana amfani da kayan Magnet na dindindin na NdFeB a cikin mahimman tsarin tsaro na ƙasa kamar jiragen sama na yaƙi da tsarin jagora na makamai masu linzami, manyan abubuwan more rayuwa kamar motocin lantarki da injin injin iska, da na'urori masu ƙarfi na kwamfuta, na'urorin sauti, kayan aikin maganadisu. da sauran fagage.
A watan Fabrairun wannan shekara, shugaban Amurka Biden ya umarci hukumomin tarayya da su gudanar da wani nazari na kwanaki 100 game da samar da kayayyaki guda hudu: semiconductor, ma'adinan ƙasa da ba kasafai ba, manyan batura na motocin lantarki, da magunguna.A cikin sakamakon binciken kwanaki 100 da aka gabatar wa Biden a ranar 8 ga Yuni, an ba da shawarar cewa Ma'aikatar Kasuwanci ta Amurka ta tantance ko za a bincikar abubuwan maganadisu na neodymium daidai da Mataki na 232 na Dokar Fadada Kasuwanci ta 1962. Rahoton ya nuna cewa neodymium maganadiso yana wasa. muhimmiyar rawa a cikin motoci da sauran kayan aiki, kuma suna da mahimmanci ga tsaro na kasa da aikace-aikacen masana'antu na farar hula.Koyaya, Amurka ta dogara sosai kan shigo da kaya don wannan mahimmin samfurin.
Dangantakar dake tsakanin neodymium iron boron magnets da motors
Neodymium baƙin ƙarfe boron maganadiso ana amfani da m maganadisu Motors.Motocin maganadisu na dindindin na yau da kullun sune: Motocin Magnet DC na dindindin, Motoci na Magnet AC na dindindin, da mashinan magnet ɗin dindindin na DC sun kasu zuwa manyan injinan gora DC, injinan goge-goge, da injin hawa.Dindindin maganadisu AC Motors sun kasu zuwa synchronous m maganadisu Motors, m magnet servo Motors, da dai sauransu, bisa ga motsi yanayin kuma za a iya raba zuwa m maganadisu mikakke Motors da m maganadisu juyawa Motors.
Amfanin neodymium iron boron maganadiso
Saboda kyawawan kaddarorin maganadisu na kayan maganadisu neodymium, ana iya kafa filayen maganadisu na dindindin ba tare da ƙarin kuzari ba bayan magnetization.Yin amfani da na'urorin lantarki na dindindin na duniya da ba kasafai ba a maimakon filayen lantarki na gargajiya ba kawai babban inganci ba ne, amma kuma mai sauƙi a cikin tsari, abin dogaro a cikin aiki, ƙaramin girman da haske cikin nauyi.Ba wai kawai zai iya cimma babban aiki ba (kamar ultra-high dace, matsananci-high gudun, matsananci-high amsa gudun) cewa na'urorin motsa jiki na lantarki na gargajiya ba za su iya daidaitawa ba, amma kuma na iya saduwa da ƙayyadaddun buƙatun aiki na motoci na musamman kamar gogayya na lif. motoci da motoci na motoci.Haɗin injunan maganadisu na dindindin na duniya da ba kasafai ba tare da fasahar lantarki mai ƙarfi da fasahar sarrafa microcomputer suna haɓaka aikin injin maganadisu na dindindin da tsarin watsawa zuwa sabon matakin.Sabili da haka, haɓaka aiki da matakin tallafawa kayan aikin fasaha shine muhimmin jagorar haɓakawa ga masana'antar kera motoci don daidaita tsarin masana'antu.
Kasar Sin kasa ce da ke da babban karfin samar da sinadarin neodymium.Bisa kididdigar da aka yi, an ce, jimillar abin da ake samarwa na Magnet neodymium a duniya a shekarar 2019 ya kai tan 170,000, wanda kasar Sin ta samar da sinadarin boron neodymium ya kai tan 150,000, wanda ya kai kusan kashi 90%.
Kasar Sin ita ce kasa mafi girma a duniya wajen samarwa da fitar da kasa da ba kasafai ba.Duk wani karin harajin da Amurka ta sanya dole ne China ta shigo da ita.Don haka, binciken na Amurka 232 ba zai yi wani tasiri a masana'antar kera wutar lantarki ta kasar Sin ba.
Jessica ce ta ruwaito
Lokacin aikawa: Oktoba-08-2021