Mgbe ịmechara njirimara nke ihe kacha mma maka magnet ma ọ bụ mgbakọ magnetik gị,
nzọụkwụ ọzọ bụ ikpebi ọkwa magnet kpọmkwem maka ngwa gị.

Maka Neodymium Iron Boron, Samarium Cobalt, na ferrite (seramiiki) ihe, ọkwa ahụ bụ ihe na-egosi.
ike magnet:
Ọnụ ọgụgụ ọkwa ihe dị elu, ike ndọta na-esiwanye ike.

N'okpuru bụ ihe ole na ole mgbe ị na-atụle ịhọrọ akararị maka ngwa gị:

1, Okpomọkụ arụ ọrụ kacha

Ịrụ ọrụ ndọta na-enwe mmetụta nke ukwuu maka mgbanwe okpomọkụ, dịka ọmụmaatụ, magnet Max 120 ℃.
na-arụ ọrụ na 110 ℃ maka 8 awa na-enweghị ezumike, magnetik ọnwụ ga-eme. Ya mere, anyị kwesịrị ịhọrọ magnet Max 150 ℃.
yabụ ọ dị oke mkpa ka akọwapụtara oke ọnọdụ okpomọkụ gị tupu ị họrọ ọkwa.

2, Igwe Igwe Igwe Ọdụdọ

Mgbe ị na-achọpụta njupụta magnetik achọrọ, nke mbụ, ihe ndọta ga-eburu n'uche.
Ihe ndọta ndọta na nkewa ebuga anaghị achọ magnet neodymium, seramiiki ka mma na-abawanye ụba.
Mana maka moto servo, neodymium ma ọ bụ SmCo nwere mpaghara kacha sie ike na nha pere mpe, nke zuru oke na ngwa nkenke.
Ọzọ, ị nwere ike họrọ ọkwa kwesịrị ekwesị.

3. Demagnetizing Nguzogide

Nkwụsi ike ndọta magnetik nwere nnukwu mmetụta na imewe gị. Okpomọkụ kacha arụ ọrụ gị
Ejikọtara ya na ike mmanye (Hci). Ọ bụ iguzogide demagnetization.
Hci dị elu pụtara oke okpomọkụ na-arụ ọrụ.
Ọ bụ ezie na okpomọkụ bụ isi ihe na-enye aka na demagnetizing, ọ bụghị nanị ihe kpatara ya. Ya mere, ezigbo Hci ahọpụtara
n'ihi na gị imewe nwere ike n'ụzọ dị irè zere demagnetization.