{"id":1771,"date":"2025-08-06T03:54:40","date_gmt":"2025-08-06T03:54:40","guid":{"rendered":"https:\/\/nbaem.com\/?p=1771"},"modified":"2025-08-06T07:46:17","modified_gmt":"2025-08-06T07:46:17","slug":"what-is-magnet-used-for","status":"publish","type":"post","link":"https:\/\/nbaem.com\/vi\/what-is-magnet-used-for\/","title":{"rendered":"Nam ch\u00e2m \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 l\u00e0m g\u00ec trong c\u00e1c \u1ee9ng d\u1ee5ng c\u00f4ng nghi\u1ec7p v\u00e0 h\u00e0ng ng\u00e0y to\u00e0n di\u1ec7n"},"content":{"rendered":"<div class=\"post-header\">\n<div class=\"post-meta thw-sept\">\n<div class=\"post-meta-info\"><span style=\"font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen-Sans, Ubuntu, Cantarell, 'Helvetica Neue', sans-serif;\">B\u1ea1n c\u00f3 t\u00f2 m\u00f2 v\u1ec1 <\/span><strong style=\"font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen-Sans, Ubuntu, Cantarell, 'Helvetica Neue', sans-serif;\">magnet d\u00f9ng \u0111\u1ec3 l\u00e0m g\u00ec<\/strong><span style=\"font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen-Sans, Ubuntu, Cantarell, 'Helvetica Neue', sans-serif;\">\u00a0v\u00e0 t\u1ea1i sao nh\u1eefng v\u1eadt d\u1ee5ng \u0111\u01a1n gi\u1ea3n n\u00e0y l\u1ea1i \u0111\u00f3ng vai tr\u00f2 quan tr\u1ecdng trong c\u00f4ng ngh\u1ec7 v\u00e0 cu\u1ed9c s\u1ed1ng h\u00e0ng ng\u00e0y? D\u00f9 b\u1ea1n l\u00e0 sinh vi\u00ean, k\u1ef9 s\u01b0 hay ch\u1ee7 doanh nghi\u1ec7p mu\u1ed1n kh\u00e1m ph\u00e1\u00a0<\/span><strong style=\"font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen-Sans, Ubuntu, Cantarell, 'Helvetica Neue', sans-serif;\">\u1ee9ng d\u1ee5ng v\u1eadt li\u1ec7u t\u1eeb t\u00ednh<\/strong><span style=\"font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen-Sans, Ubuntu, Cantarell, 'Helvetica Neue', sans-serif;\">, hi\u1ec3u r\u00f5 c\u00e1c c\u00f4ng d\u1ee5ng \u0111a d\u1ea1ng c\u1ee7a nam ch\u00e2m c\u00f3 th\u1ec3 m\u1edf ra nh\u1eefng kh\u1ea3 n\u0103ng m\u1edbi. T\u1eeb nh\u1eefng thi\u1ebft b\u1ecb ch\u00fang ta d\u1ef1a v\u00e0o h\u00e0ng ng\u00e0y \u0111\u1ebfn m\u00e1y m\u00f3c c\u00f4ng nghi\u1ec7p ti\u00ean ti\u1ebfn, nam ch\u00e2m xu\u1ea5t hi\u1ec7n kh\u1eafp n\u01a1i\u2014v\u00e0 \u1ea3nh h\u01b0\u1edfng c\u1ee7a ch\u00fang ng\u00e0y c\u00e0ng l\u1edbn.<\/span><\/div>\n<\/div>\n<\/div>\n<div class=\"post-content\">\n<p>Trong b\u00e0i vi\u1ebft n\u00e0y, b\u1ea1n s\u1ebd kh\u00e1m ph\u00e1 nhi\u1ec1u c\u00e1ch nam ch\u00e2m ho\u1ea1t \u0111\u1ed9ng trong c\u00e1c ng\u00e0nh c\u00f4ng nghi\u1ec7p kh\u00e1c nhau, t\u1ea1i sao vi\u1ec7c ch\u1ecdn \u0111\u00fang lo\u1ea1i nam ch\u00e2m l\u1ea1i quan tr\u1ecdng, v\u00e0 c\u00e1ch c\u00e1c nh\u00e0 cung c\u1ea5p h\u00e0ng \u0111\u1ea7u nh\u01b0 NBAEM cung c\u1ea5p c\u00e1c gi\u1ea3i ph\u00e1p ph\u00f9 h\u1ee3p \u0111\u1ec3 \u0111\u00e1p \u1ee9ng nhu c\u1ea7u hi\u1ec7n \u0111\u1ea1i. S\u1eb5n s\u00e0ng \u0111\u1ec3 kh\u00e1m ph\u00e1 s\u1ee9c m\u1ea1nh \u0111\u1eb1ng sau nam ch\u00e2m v\u00e0 xem ch\u00fang \u1ea3nh h\u01b0\u1edfng th\u1ebf gi\u1edbi xung quanh b\u1ea1n nh\u01b0 th\u1ebf n\u00e0o? H\u00e3y b\u1eaft \u0111\u1ea7u n\u00e0o!<\/p>\n<h2>Hi\u1ec3u bi\u1ebft c\u01a1 b\u1ea3n v\u1ec1 nam ch\u00e2m<\/h2>\n<p>N\u1ebfu b\u1ea1n t\u1eebng t\u1ef1 h\u1ecfi nam ch\u00e2m th\u1ef1c s\u1ef1 l\u00e0 g\u00ec v\u00e0 t\u1ea1i sao n\u00f3 ho\u1ea1t \u0111\u1ed9ng, h\u00e3y c\u00f9ng ph\u00e2n t\u00edch \u0111\u01a1n gi\u1ea3n. M\u1ed9t nam ch\u00e2m l\u00e0 m\u1ed9t v\u1eadt th\u1ec3 t\u1ea1o ra tr\u01b0\u1eddng t\u1eeb, thu h\u00fat c\u00e1c v\u1eadt li\u1ec7u nh\u1ea5t \u0111\u1ecbnh nh\u01b0 s\u1eaft, nickel v\u00e0 cobalt. L\u1ef1c m\u00e0 nam ch\u00e2m t\u1ea1o ra g\u1ecdi l\u00e0\u00a0<strong>t\u1eeb t\u00ednh<\/strong>. \u0110\u00e2y l\u00e0 hi\u1ec7n t\u01b0\u1ee3ng t\u1ef1 nhi\u00ean do s\u1ef1 chuy\u1ec3n \u0111\u1ed9ng c\u1ee7a c\u00e1c \u0111i\u1ec7n t\u00edch trong nguy\u00ean t\u1eed g\u00e2y ra.<\/p>\n<p>C\u00f3 ba lo\u1ea1i nam ch\u00e2m ch\u00ednh:<\/p>\n<ul>\n<li><strong>Nam ch\u00e2m t\u1ef1 nhi\u00ean<\/strong>: C\u00f3 trong t\u1ef1 nhi\u00ean nh\u01b0 \u0111\u00e1 nam ch\u00e2m, lo\u1ea1i n\u00e0y hi\u1ebfm v\u00e0 c\u00f3 \u0111\u1eb7c t\u00ednh t\u1eeb m\u00e0 kh\u00f4ng c\u1ea7n x\u1eed l\u00fd.<\/li>\n<li><strong>Nam ch\u00e2m v\u0129nh c\u1eedu<\/strong>: \u0110\u01b0\u1ee3c l\u00e0m t\u1eeb c\u00e1c v\u1eadt li\u1ec7u nh\u01b0 neodymium ho\u1eb7c ferrite, ch\u00fang gi\u1eef t\u1eeb t\u00ednh c\u1ee7a m\u00ecnh theo th\u1eddi gian m\u00e0 kh\u00f4ng c\u1ea7n ngu\u1ed3n \u0111i\u1ec7n.<\/li>\n<li><strong>Nam ch\u00e2m \u0111i\u1ec7n<\/strong>: \u0110\u01b0\u1ee3c t\u1ea1o ra b\u1eb1ng c\u00e1ch ch\u1ea1y d\u00f2ng \u0111i\u1ec7n qua m\u1ed9t cu\u1ed9n d\u00e2y, c\u00e1c nam ch\u00e2m n\u00e0y c\u00f3 th\u1ec3 b\u1eadt t\u1eaft.<\/li>\n<\/ul>\n<p>Hi\u1ec3u bi\u1ebft v\u1ec1 nam ch\u00e2m c\u00f2n bao g\u1ed3m c\u00e1c \u0111\u1eb7c t\u00ednh ch\u00ednh sau:<\/p>\n<ul>\n<li><strong>S\u1ef1 h\u00fat<\/strong>: Nam ch\u00e2m k\u00e9o c\u00e1c v\u1eadt li\u1ec7u t\u1eeb t\u00ednh v\u1ec1 ph\u00eda ch\u00fang.<\/li>\n<li><strong>Tr\u01b0\u1eddng t\u1eeb<\/strong>: V\u00f9ng kh\u00f4ng nh\u00ecn th\u1ea5y xung quanh nam ch\u00e2m n\u01a1i l\u1ef1c c\u1ee7a n\u00f3 t\u00e1c d\u1ee5ng.<\/li>\n<li><strong>\u0110\u1ed9 ph\u00e2n c\u1ef1c<\/strong>: M\u1ed7i nam ch\u00e2m c\u00f3 hai c\u1ef1c\u2014b\u1eafc v\u00e0 nam\u2014v\u00e0 c\u00e1c c\u1ef1c tr\u00e1i d\u1ea5u h\u00fat nhau trong khi c\u00e1c c\u1ef1c c\u00f9ng d\u1ea5u \u0111\u1ea9y nhau.<\/li>\n<\/ul>\n<p>Nh\u1eefng nguy\u00ean t\u1eafc c\u01a1 b\u1ea3n n\u00e0y h\u00ecnh th\u00e0nh c\u00e1ch s\u1eed d\u1ee5ng nam ch\u00e2m trong c\u00e1c \u1ee9ng d\u1ee5ng kh\u00e1c nhau, t\u1eeb nam ch\u00e2m t\u1ee7 l\u1ea1nh \u0111\u01a1n gi\u1ea3n \u0111\u1ebfn c\u00e1c c\u00f4ng c\u1ee5 c\u00f4ng nghi\u1ec7p ti\u00ean ti\u1ebfn.<\/p>\n<h2>C\u00e1c \u1ee8ng D\u1ee5ng Ph\u1ed5 Bi\u1ebfn c\u1ee7a Nam Ch\u00e2m Trong Cu\u1ed9c S\u1ed1ng H\u00e0ng Ng\u00e0y<\/h2>\n<p><img decoding=\"async\" src=\"https:\/\/artseo.cn\/apis\/uploads\/20250806\/Everyday_Uses_of_Magnets_VCd.webp\" alt=\"C\u00e1c \u1ee8ng d\u1ee5ng H\u00e0ng ng\u00e0y c\u1ee7a Nam ch\u00e2m\" \/><\/p>\n<p>Nam ch\u00e2m xu\u1ea5t hi\u1ec7n kh\u1eafp n\u01a1i trong cu\u1ed9c s\u1ed1ng h\u00e0ng ng\u00e0y c\u1ee7a ch\u00fang ta, gi\u00fap nhi\u1ec1u th\u1ee9 ho\u1ea1t \u0111\u1ed9ng tr\u01a1n tru m\u00e0 ch\u00fang ta th\u1eadm ch\u00ed kh\u00f4ng nh\u1eadn ra. Trong nh\u00e0, b\u1ea1n c\u00f3 th\u1ec3 c\u00f3 nam ch\u00e2m t\u1ee7 l\u1ea1nh gi\u1eef c\u00e1c ghi ch\u00fa ho\u1eb7c t\u00e1c ph\u1ea9m ngh\u1ec7 thu\u1eadt c\u1ee7a tr\u1ebb em. C\u00e1c m\u00f3c kh\u00f3a t\u1eeb t\u00ednh tr\u00ean t\u00fai x\u00e1ch, trang s\u1ee9c v\u00e0 m\u1ed9t s\u1ed1 t\u00fai gi\u00fap vi\u1ec7c m\u1edf v\u00e0 \u0111\u00f3ng nhanh ch\u00f3ng d\u1ec5 d\u00e0ng. C\u00e1c d\u1ee5ng c\u1ee5 t\u1eeb t\u00ednh nh\u01b0 tua v\u00edt c\u00f3 \u0111\u1ea7u t\u1eeb gi\u00fap gi\u1eef v\u00edt kh\u00f4ng r\u01a1i, \u0111\u00e2y l\u00e0 m\u1ed9t c\u00e1ch s\u1eed d\u1ee5ng \u0111\u01a1n gi\u1ea3n nh\u01b0ng h\u1eefu \u00edch.<\/p>\n<p>Nam ch\u00e2m c\u0169ng \u0111\u00f3ng vai tr\u00f2 l\u1edbn trong gi\u00e1o d\u1ee5c. C\u00e1c gi\u00e1o vi\u00ean s\u1eed d\u1ee5ng ch\u00fang \u0111\u1ec3 th\u1ef1c hi\u1ec7n c\u00e1c th\u00ed nghi\u1ec7m khoa h\u1ecdc v\u00e0 tr\u00ecnh di\u1ec5n nh\u1eb1m gi\u1ea3i th\u00edch v\u1ec1 t\u1eeb t\u00ednh v\u00e0 c\u00e1c kh\u00e1i ni\u1ec7m v\u1eadt l\u00fd. C\u00e1c d\u1ee5ng c\u1ee5 gi\u1ea3ng d\u1ea1y t\u1eeb t\u00ednh ph\u1ed5 bi\u1ebfn trong l\u1edbp h\u1ecdc, gi\u00fap h\u1ecdc sinh h\u00ecnh dung c\u00e1ch nam ch\u00e2m h\u00fat v\u00e0 \u0111\u1ea9y nhau.<\/p>\n<p>Khi n\u00f3i \u0111\u1ebfn c\u00e1c thi\u1ebft b\u1ecb c\u00e1 nh\u00e2n, nam ch\u00e2m l\u00e0 thi\u1ebft y\u1ebfu. Loa v\u00e0 tai nghe s\u1eed d\u1ee5ng nam ch\u00e2m \u0111\u1ec3 t\u1ea1o ra \u00e2m thanh, trong khi \u0111i\u1ec7n tho\u1ea1i di \u0111\u1ed9ng c\u1ee7a b\u1ea1n d\u1ef1a v\u00e0o c\u00e1c nam ch\u00e2m nh\u1ecf trong c\u00e1c th\u00e0nh ph\u1ea7n nh\u01b0 \u0111\u1ed9ng c\u01a1 rung v\u00e0 c\u1ea3m bi\u1ebfn. Nam ch\u00e2m gi\u00fap c\u00e1c thi\u1ebft b\u1ecb n\u00e0y ho\u1ea1t \u0111\u1ed9ng hi\u1ec7u qu\u1ea3, tr\u1edf th\u00e0nh m\u1ed9t ph\u1ea7n quan tr\u1ecdng trong c\u00e1c thi\u1ebft b\u1ecb \u0111i\u1ec7n t\u1eed b\u1ea1n s\u1eed d\u1ee5ng h\u00e0ng ng\u00e0y.<\/p>\n<h2>\u1ee8ng D\u1ee5ng C\u00f4ng Nghi\u1ec7p c\u1ee7a Nam Ch\u00e2m<\/h2>\n<p>Nam ch\u00e2m \u0111\u00f3ng vai tr\u00f2 l\u1edbn trong nhi\u1ec1u ng\u00e0nh c\u00f4ng nghi\u1ec7p \u1edf Vi\u1ec7t Nam, gi\u00fap qu\u00e1 tr\u00ecnh s\u1ea3n xu\u1ea5t v\u00e0 t\u1ef1 \u0111\u1ed9ng h\u00f3a tr\u1edf n\u00ean tr\u01a1n tru v\u00e0 hi\u1ec7u qu\u1ea3 h\u01a1n. Trong c\u00e1c nh\u00e0 m\u00e1y, c\u00e1c thi\u1ebft b\u1ecb n\u00e2ng t\u1eeb t\u00ednh gi\u00fap di chuy\u1ec3n c\u00e1c b\u1ed9 ph\u1eadn kim lo\u1ea1i n\u1eb7ng m\u1ed9t c\u00e1ch d\u1ec5 d\u00e0ng, trong khi c\u00e1c b\u1ed9 ph\u00e2n t\u00e1ch t\u1eeb gi\u00fap lo\u1ea1i b\u1ecf c\u00e1c m\u1ea3nh kim lo\u1ea1i kh\u00f4ng mong mu\u1ed1n kh\u1ecfi nguy\u00ean li\u1ec7u th\u00f4. C\u00e1c b\u0103ng chuy\u1ec1n th\u01b0\u1eddng s\u1eed d\u1ee5ng nam ch\u00e2m \u0111\u1ec3 gi\u1eef ho\u1eb7c ph\u00e2n lo\u1ea1i c\u00e1c m\u1eb7t h\u00e0ng, t\u0103ng t\u1ed1c qu\u00e1 tr\u00ecnh s\u1ea3n xu\u1ea5t.<\/p>\n<p>Trong ng\u00e0nh \u0111i\u1ec7n t\u1eed, nam ch\u00e2m l\u00e0 c\u00e1c th\u00e0nh ph\u1ea7n quan tr\u1ecdng. C\u00e1c \u1ed5 c\u1ee9ng m\u00e1y t\u00ednh d\u1ef1a v\u00e0o c\u00e1c tr\u01b0\u1eddng t\u1eeb ch\u00ednh x\u00e1c \u0111\u1ec3 l\u01b0u tr\u1eef d\u1eef li\u1ec7u, v\u00e0 c\u1ea3m bi\u1ebfn s\u1eed d\u1ee5ng nam ch\u00e2m \u0111\u1ec3 ph\u00e1t hi\u1ec7n v\u1ecb tr\u00ed, t\u1ed1c \u0111\u1ed9 ho\u1eb7c \u00e1p su\u1ea5t. C\u00e1c m\u00e1y MRI, n\u1ed5i ti\u1ebfng trong l\u0129nh v\u1ef1c ch\u0103m s\u00f3c s\u1ee9c kh\u1ecfe, s\u1eed d\u1ee5ng c\u00e1c nam ch\u00e2m m\u1ea1nh \u0111\u1ec3 t\u1ea1o ra h\u00ecnh \u1ea3nh chi ti\u1ebft c\u1ee7a c\u01a1 th\u1ec3.<\/p>\n<p>Ng\u00e0nh c\u00f4ng nghi\u1ec7p \u00f4 t\u00f4 c\u0169ng ph\u1ee5 thu\u1ed9c v\u00e0o nam ch\u00e2m. \u0110\u1ed9ng c\u01a1 \u0111i\u1ec7n trong xe s\u1eed d\u1ee5ng nam ch\u00e2m v\u0129nh c\u1eedu \u0111\u1ec3 chuy\u1ec3n \u0111\u1ed5i n\u0103ng l\u01b0\u1ee3ng \u0111i\u1ec7n th\u00e0nh chuy\u1ec3n \u0111\u1ed9ng. C\u00e1c c\u1ea3m bi\u1ebfn s\u1eed d\u1ee5ng nam ch\u00e2m \u0111\u1ec3 gi\u00e1m s\u00e1t m\u1ecdi th\u1ee9 t\u1eeb t\u1ed1c \u0111\u1ed9 b\u00e1nh xe \u0111\u1ebfn hi\u1ec7u su\u1ea5t \u0111\u1ed9ng c\u01a1, v\u00e0 c\u00e1c h\u1ec7 th\u1ed1ng ch\u1ed1ng tr\u1ed9m th\u01b0\u1eddng bao g\u1ed3m c\u00e1c th\u00e0nh ph\u1ea7n t\u1eeb t\u00ednh \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o an ninh.<\/p>\n<p>N\u0103ng l\u01b0\u1ee3ng t\u00e1i t\u1ea1o c\u0169ng h\u01b0\u1edfng l\u1ee3i t\u1eeb nam ch\u00e2m trong c\u00e1c turbine gi\u00f3, n\u01a1i ch\u00fang t\u1ea1o ra \u0111i\u1ec7n b\u1eb1ng c\u00e1ch chuy\u1ec3n \u0111\u1ed5i chuy\u1ec3n \u0111\u1ed9ng c\u01a1 h\u1ecdc th\u00e0nh d\u00f2ng \u0111i\u1ec7n. \u0110i\u1ec1u n\u00e0y khi\u1ebfn nam ch\u00e2m tr\u1edf th\u00e0nh y\u1ebfu t\u1ed1 thi\u1ebft y\u1ebfu cho s\u1ef1 ph\u00e1t tri\u1ec3n c\u1ee7a n\u0103ng l\u01b0\u1ee3ng xanh. M\u1ed9t \u1ee9ng d\u1ee5ng ti\u00ean ti\u1ebfn kh\u00e1c l\u00e0 c\u00f4ng ngh\u1ec7 l\u00e0m l\u1ea1nh t\u1eeb t\u00ednh, h\u1ee9a h\u1eb9n l\u00e0m m\u00e1t ti\u1ebft ki\u1ec7m n\u0103ng l\u01b0\u1ee3ng v\u1edbi \u00edt h\u00f3a ch\u1ea5t \u0111\u1ed9c h\u1ea1i h\u01a1n.<\/p>\n<p>N\u1ebfu b\u1ea1n t\u00f2 m\u00f2 v\u1ec1 nam ch\u00e2m trong c\u00e1c \u0111\u1ed9ng c\u01a1, h\u00e3y xem t\u00e0i nguy\u00ean chi ti\u1ebft v\u1ec1\u00a0<span style=\"color: #ff6600;\"><strong><a style=\"color: #ff6600;\" href=\"https:\/\/nbaem.com\/vi\/permanent-magnets-in-coreless-motors\/\" target=\"_blank\" rel=\"noopener\">nam ch\u00e2m v\u0129nh c\u1eedu trong \u0111\u1ed9ng c\u01a1 kh\u00f4ng l\u00f5i<\/a>.<\/strong><\/span> Nh\u00e0 cung c\u1ea5p nam ch\u00e2m c\u00f4ng nghi\u1ec7p NBAEM cung c\u1ea5p nhi\u1ec1u lo\u1ea1i v\u1eadt li\u1ec7u t\u1eeb ph\u00f9 h\u1ee3p cho c\u00e1c \u1ee9ng d\u1ee5ng n\u00e0y.<\/p>\n<h2>C\u00e1c \u1ee8ng D\u1ee5ng Chuy\u00ean S\u00e2u Trong C\u00e1c L\u0129nh V\u1ef1c C\u00f4ng Ngh\u1ec7 Cao<\/h2>\n<p>Nam ch\u00e2m \u0111\u00f3ng vai tr\u00f2 quan tr\u1ecdng trong nhi\u1ec1u ng\u00e0nh c\u00f4ng nghi\u1ec7p c\u00f4ng ngh\u1ec7 cao \u1ea3nh h\u01b0\u1edfng m\u1ea1nh m\u1ebd \u0111\u1ebfn cu\u1ed9c s\u1ed1ng h\u00e0ng ng\u00e0y c\u1ee7a ch\u00fang ta. Trong y h\u1ecdc, nam ch\u00e2m l\u00e0 th\u00e0nh ph\u1ea7n ch\u00ednh trong m\u00e1y MRI, n\u01a1i c\u00e1c tr\u01b0\u1eddng t\u1eeb m\u1ea1nh gi\u00fap t\u1ea1o ra h\u00ecnh \u1ea3nh chi ti\u1ebft b\u00ean trong c\u01a1 th\u1ec3 m\u00e0 kh\u00f4ng c\u1ea7n ph\u1eabu thu\u1eadt. C\u00e1c c\u1ea5y gh\u00e9p t\u1eeb t\u00ednh c\u0169ng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong nhi\u1ec1u thi\u1ebft b\u1ecb y t\u1ebf, n\u00e2ng cao ch\u0103m s\u00f3c v\u00e0 \u0111i\u1ec1u tr\u1ecb b\u1ec7nh nh\u00e2n.<\/p>\n<p>Trong ng\u00e0nh h\u00e0ng kh\u00f4ng v\u0169 tr\u1ee5, nam ch\u00e2m gi\u00fap c\u00e1c thi\u1ebft b\u1ecb \u0111\u1ecbnh v\u1ecb ch\u00ednh x\u00e1c v\u00e0 c\u00e1c th\u00e0nh ph\u1ea7n v\u1ec7 tinh, \u0111\u1ea3m b\u1ea3o li\u00ean l\u1ea1c v\u00e0 \u0111\u1ecbnh v\u1ecb \u0111\u00e1ng tin c\u1eady cho m\u1ecdi th\u1ee9 t\u1eeb chuy\u1ebfn bay \u0111\u1ebfn h\u1ec7 th\u1ed1ng GPS.<\/p>\n<p>Nghi\u00ean c\u1ee9u v\u00e0 khoa h\u1ecdc c\u0169ng \u0111\u01b0\u1ee3c h\u01b0\u1edfng l\u1ee3i l\u1edbn t\u1eeb nam ch\u00e2m. C\u00e1c m\u00e1y gia t\u1ed1c h\u1ea1t s\u1eed d\u1ee5ng c\u00e1c nam ch\u00e2m m\u1ea1nh \u0111\u1ec3 t\u0103ng t\u1ed1c c\u00e1c h\u1ea1t cho c\u00e1c th\u00ed nghi\u1ec7m m\u1edf r\u1ed9ng hi\u1ec3u bi\u1ebft v\u1ec1 v\u1eadt l\u00fd. Ph\u00e9p c\u1ed9ng h\u01b0\u1edfng t\u1eeb t\u1eeb l\u00e0 m\u1ed9t k\u1ef9 thu\u1eadt kh\u00e1c s\u1eed d\u1ee5ng nam ch\u00e2m \u0111\u1ec3 ph\u00e2n t\u00edch c\u1ea5u tr\u00fac h\u00f3a h\u1ecdc, h\u1ed7 tr\u1ee3 trong nghi\u00ean c\u1ee9u v\u1eadt li\u1ec7u v\u00e0 d\u01b0\u1ee3c ph\u1ea9m.<\/p>\n<p>Nh\u1eefng \u1ee9ng d\u1ee5ng chuy\u00ean s\u00e2u n\u00e0y cho th\u1ea5y nam ch\u00e2m v\u01b0\u1ee3t ra ngo\u00e0i cu\u1ed9c s\u1ed1ng h\u00e0ng ng\u00e0y v\u00e0 \u0111\u00f3ng vai tr\u00f2 quan tr\u1ecdng trong c\u00f4ng ngh\u1ec7 ti\u00ean ti\u1ebfn c\u1ee7a nhi\u1ec1u l\u0129nh v\u1ef1c cao c\u1ea5p.<\/p>\n<h2>V\u1eadt Li\u1ec7u T\u1eeb T\u00ednh - NBAEM Cung C\u1ea5p G\u00ec<\/h2>\n<p>Khi n\u00f3i \u0111\u1ebfn c\u00e1c v\u1eadt li\u1ec7u t\u1eeb t\u00ednh, NBAEM cung c\u1ea5p m\u1ed9t lo\u1ea1t c\u00e1c l\u1ef1a ch\u1ecdn ph\u00f9 h\u1ee3p v\u1edbi nhi\u1ec1u nhu c\u1ea7u kh\u00e1c nhau tr\u00ean th\u1ecb tr\u01b0\u1eddng Vi\u1ec7t Nam. H\u1ecd cung c\u1ea5p c\u00e1c lo\u1ea1i ph\u1ed5 bi\u1ebfn nh\u01b0\u00a0<strong>nam ch\u00e2m NdFeB (neodymium)<\/strong>,\u00a0<strong>nam ch\u00e2m SmCo (samarium cobalt)<\/strong>, v\u00e0\u00a0<strong>nam ch\u00e2m ferrite<\/strong>. M\u1ed7i lo\u1ea1i ph\u1ee5c v\u1ee5 c\u00e1c m\u1ee5c \u0111\u00edch kh\u00e1c nhau:<\/p>\n<ul>\n<li><strong>nam ch\u00e2m NdFeB<\/strong>\u00a0r\u1ea5t m\u1ea1nh v\u00e0 l\u00fd t\u01b0\u1edfng cho c\u00e1c thi\u1ebft b\u1ecb \u0111i\u1ec7n t\u1eed, \u0111\u1ed9ng c\u01a1 \u0111i\u1ec7n v\u00e0 c\u00e1c d\u1ef1 \u00e1n n\u0103ng l\u01b0\u1ee3ng t\u00e1i t\u1ea1o.<\/li>\n<li><strong>nam ch\u00e2m SmCo<\/strong>\u00a0ho\u1ea1t \u0111\u1ed9ng t\u1ed1t d\u01b0\u1edbi nhi\u1ec7t \u0111\u1ed9 cao v\u00e0 trong m\u00f4i tr\u01b0\u1eddng kh\u1eafc nghi\u1ec7t, l\u00e0m cho ch\u00fang ph\u00f9 h\u1ee3p cho c\u00e1c \u1ee9ng d\u1ee5ng h\u00e0ng kh\u00f4ng v\u0169 tr\u1ee5 v\u00e0 \u00f4 t\u00f4.<\/li>\n<li><strong>Nam ch\u00e2m ferrite<\/strong>\u00a0\u0111\u01b0\u1ee3c ti\u1ebft ki\u1ec7m chi ph\u00ed v\u00e0 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i trong c\u00e1c thi\u1ebft b\u1ecb gia d\u1ee5ng h\u00e0ng ng\u00e0y v\u00e0 thi\u1ebft b\u1ecb c\u00f4ng nghi\u1ec7p.<\/li>\n<\/ul>\n<p>NBAEM nh\u1ea5n m\u1ea1nh v\u00e0o \u0111\u1ea3m b\u1ea3o ch\u1ea5t l\u01b0\u1ee3ng, v\u00ec v\u1eady b\u1ea1n c\u00f3 th\u1ec3 tin t\u01b0\u1edfng v\u00e0o \u0111\u1ed9 b\u1ec1n v\u00e0 s\u1ee9c m\u1ea1nh t\u1eeb t\u00ednh \u1ed5n \u0111\u1ecbnh. H\u1ecd c\u0169ng cung c\u1ea5p\u00a0<strong>t\u00f9y ch\u1ecdn t\u00f9y ch\u1ec9nh<\/strong>\u00a0d\u00e0nh cho kh\u00e1ch h\u00e0ng c\u00f4ng nghi\u1ec7p, cho ph\u00e9p doanh nghi\u1ec7p c\u00f3 th\u1ec3 \u0111\u1ecbnh h\u00ecnh, k\u00edch th\u01b0\u1edbc v\u00e0 ph\u1ee7 l\u1edbp cho nam ch\u00e2m ph\u00f9 h\u1ee3p v\u1edbi c\u00e1c \u1ee9ng d\u1ee5ng c\u1ee5 th\u1ec3. S\u1ef1 linh ho\u1ea1t n\u00e0y \u0111\u1eb7c bi\u1ec7t h\u1eefu \u00edch cho c\u00e1c nh\u00e0 s\u1ea3n xu\u1ea5t mu\u1ed1n t\u1ed1i \u01b0u h\u00f3a hi\u1ec7u su\u1ea5t trong s\u1ea3n ph\u1ea9m ho\u1eb7c d\u00e2y chuy\u1ec1n s\u1ea3n xu\u1ea5t.<\/p>\n<p>D\u00f9 b\u1ea1n c\u1ea7n nam ch\u00e2m cho c\u00e1c d\u1ef1 \u00e1n nh\u1ecf hay c\u00e1c l\u00f4 s\u1ea3n xu\u1ea5t l\u1edbn, NBAEM cung c\u1ea5p c\u00e1c v\u1eadt li\u1ec7u \u0111\u00e1ng tin c\u1eady \u0111\u00e1p \u1ee9ng c\u00e1c ti\u00eau chu\u1ea9n nghi\u00eam ng\u1eb7t v\u1ec1 hi\u1ec7u su\u1ea5t v\u00e0 tu\u1ed5i th\u1ecd.<\/p>\n<h2>C\u00e1ch ch\u1ecdn nam ch\u00e2m ph\u00f9 h\u1ee3p v\u1edbi nhu c\u1ea7u c\u1ee7a b\u1ea1n<\/h2>\n<p>Vi\u1ec7c ch\u1ecdn nam ch\u00e2m ph\u00f9 h\u1ee3p ph\u1ee5 thu\u1ed9c v\u00e0o m\u1ee5c \u0111\u00edch s\u1eed d\u1ee5ng c\u1ee7a b\u1ea1n. D\u01b0\u1edbi \u0111\u00e2y l\u00e0 c\u00e1c y\u1ebfu t\u1ed1 ch\u00ednh c\u1ea7n xem x\u00e9t:<\/p>\n<ul>\n<li><strong>M\u1ee9c \u0111\u1ed9 m\u1ea1nh<\/strong>: C\u00e1c nhi\u1ec7m v\u1ee5 kh\u00e1c nhau \u0111\u00f2i h\u1ecfi s\u1ee9c m\u1ea1nh nam ch\u00e2m kh\u00e1c nhau. V\u00ed d\u1ee5, n\u00e2ng v\u1eadt n\u1eb7ng y\u00eau c\u1ea7u nam ch\u00e2m c\u00f4ng nghi\u1ec7p m\u1ea1nh nh\u01b0 neodymium, trong khi nam ch\u00e2m t\u1ee7 l\u1ea1nh c\u1ea7n \u00edt s\u1ee9c m\u1ea1nh h\u01a1n.<\/li>\n<li><strong>Kh\u1ea3 n\u0103ng ch\u1ecbu nhi\u1ec7t<\/strong>: M\u1ed9t s\u1ed1 nam ch\u00e2m m\u1ea5t t\u1eeb t\u00ednh khi b\u1ecb nhi\u1ec7t. N\u1ebfu d\u1ef1 \u00e1n c\u1ee7a b\u1ea1n li\u00ean quan \u0111\u1ebfn nhi\u1ec7t \u0111\u1ed9 cao, h\u00e3y t\u00ecm c\u00e1c lo\u1ea1i nam ch\u00e2m \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1ec3 ch\u1ecbu nhi\u1ec7t, nh\u01b0 samarium cobalt.<\/li>\n<li><strong>Ch\u1ed1ng \u0103n m\u00f2n<\/strong>: N\u1ebfu nam ch\u00e2m s\u1ebd ti\u1ebfp x\u00fac v\u1edbi \u0111\u1ed9 \u1ea9m ho\u1eb7c c\u00e1c y\u1ebfu t\u1ed1 ngo\u00e0i tr\u1eddi, v\u1eadt li\u1ec7u ho\u1eb7c l\u1edbp ph\u1ee7 ch\u1ed1ng \u0103n m\u00f2n l\u00e0 \u0111i\u1ec1u b\u1eaft bu\u1ed9c \u0111\u1ec3 gi\u1eef cho n\u00f3 b\u1ec1n b\u1ec9.<\/li>\n<li><strong>K\u00edch th\u01b0\u1edbc v\u00e0 h\u00ecnh d\u1ea1ng<\/strong>: H\u00ecnh d\u1ea1ng v\u00e0 k\u00edch th\u01b0\u1edbc c\u1ee7a nam ch\u00e2m \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn c\u00e1ch n\u00f3 ph\u00f9 h\u1ee3p v\u00e0 ho\u1ea1t \u0111\u1ed9ng trong h\u1ec7 th\u1ed1ng c\u1ee7a b\u1ea1n. D\u00f9 b\u1ea1n c\u1ea7n d\u1ea3i m\u1ecfng cho \u0111i\u1ec7n t\u1eed hay kh\u1ed1i l\u1edbn cho c\u00f4ng nghi\u1ec7p, h\u00e3y ch\u1ecdn ph\u00f9 h\u1ee3p.<\/li>\n<\/ul>\n<h3>M\u1eb9o d\u00e0nh cho Doanh nghi\u1ec7p v\u00e0 Ng\u01b0\u1eddi mua c\u00e1 nh\u00e2n<\/h3>\n<ul>\n<li>X\u00e1c \u0111\u1ecbnh ch\u00ednh x\u00e1c nhu c\u1ea7u c\u1ee7a b\u1ea1n tr\u01b0\u1edbc khi mua \u0111\u1ec3 tr\u00e1nh chi ti\u00eau qu\u00e1 m\u1ee9c cho nam ch\u00e2m c\u00f3 c\u00e1c t\u00ednh n\u0103ng kh\u00f4ng c\u1ea7n thi\u1ebft.<\/li>\n<li>D\u00e0nh cho m\u1ee5c \u0111\u00edch c\u00f4ng nghi\u1ec7p, \u0111\u1ea3m b\u1ea3o nam ch\u00e2m \u0111\u00e1p \u1ee9ng c\u00e1c ti\u00eau chu\u1ea9n an to\u00e0n v\u00e0 \u0111\u1ed9 b\u1ec1n.<\/li>\n<li>D\u00e0nh cho m\u1ee5c \u0111\u00edch c\u00e1 nh\u00e2n ho\u1eb7c gi\u00e1o d\u1ee5c, t\u00ecm ki\u1ebfm nam ch\u00e2m \u0111\u00e1ng tin c\u1eady v\u00e0 an to\u00e0n.<\/li>\n<\/ul>\n<h3>H\u1ed7 tr\u1ee3 v\u00e0 T\u01b0 v\u1ea5n NBAEM<\/h3>\n<p>L\u00e0 nh\u00e0 cung c\u1ea5p v\u1eadt li\u1ec7u t\u1eeb t\u00ednh \u0111\u00e1ng tin c\u1eady nh\u01b0 NdFeB, SmCo v\u00e0 nam ch\u00e2m ferrite, NBAEM cung c\u1ea5p h\u01b0\u1edbng d\u1eabn chuy\u00ean nghi\u1ec7p gi\u00fap b\u1ea1n l\u1ef1a ch\u1ecdn v\u00e0 t\u00f9y ch\u1ec9nh nam ch\u00e2m ph\u00f9 h\u1ee3p v\u1edbi \u1ee9ng d\u1ee5ng c\u1ee7a m\u00ecnh. H\u1ecd \u0111\u1ea3m b\u1ea3o ch\u1ea5t l\u01b0\u1ee3ng v\u00e0 c\u00f3 th\u1ec3 h\u1ed7 tr\u1ee3 c\u00e1c doanh nghi\u1ec7p v\u00e0 ng\u01b0\u1eddi mua t\u1ea1i Vi\u1ec7t Nam v\u1edbi l\u1eddi khuy\u00ean k\u1ef9 thu\u1eadt, \u0111\u1ea3m b\u1ea3o b\u1ea1n nh\u1eadn \u0111\u01b0\u1ee3c nam ch\u00e2m ph\u00f9 h\u1ee3p m\u1ed7i l\u1ea7n.<\/p>\n<h2>Xu h\u01b0\u1edbng t\u01b0\u01a1ng lai trong vi\u1ec7c s\u1eed d\u1ee5ng nam ch\u00e2m<\/h2>\n<p>T\u01b0\u01a1ng lai c\u1ee7a nam ch\u00e2m r\u1ea5t s\u00e1ng, \u0111\u1eb7c bi\u1ec7t t\u1ea1i Vi\u1ec7t Nam, n\u01a1i nhu c\u1ea7u ng\u00e0y c\u00e0ng t\u0103ng trong nhi\u1ec1u ng\u00e0nh c\u00f4ng nghi\u1ec7p ch\u00ednh. M\u1ed9t trong nh\u1eefng \u0111\u1ed9ng l\u1ef1c l\u1edbn nh\u1ea5t l\u00e0 th\u1ecb tr\u01b0\u1eddng xe \u0111i\u1ec7n (EV). Nam ch\u00e2m m\u1ea1nh nh\u01b0 neodymium r\u1ea5t c\u1ea7n thi\u1ebft cho \u0111\u1ed9ng c\u01a1 c\u1ee7a xe \u0111i\u1ec7n, gi\u00fap c\u1ea3i thi\u1ec7n hi\u1ec7u qu\u1ea3 v\u00e0 hi\u1ec7u su\u1ea5t. Khi ng\u00e0y c\u00e0ng nhi\u1ec1u ng\u01b0\u1eddi Vi\u1ec7t chuy\u1ec3n sang xe \u0111i\u1ec7n, nhu c\u1ea7u v\u1ec1 v\u1eadt li\u1ec7u t\u1eeb t\u00ednh ch\u1ea5t l\u01b0\u1ee3ng cao s\u1ebd ch\u1ec9 t\u0103ng l\u00ean.<\/p>\n<p>Ch\u00fang ta c\u0169ng \u0111ang ch\u1ee9ng ki\u1ebfn nh\u1eefng \u0111\u1ed5i m\u1edbi l\u1edbn trong n\u0103ng l\u01b0\u1ee3ng xanh. C\u00e1c turbine gi\u00f3 v\u00e0 c\u00f4ng ngh\u1ec7 t\u00e1i t\u1ea1o kh\u00e1c d\u1ef1a nhi\u1ec1u v\u00e0o nam ch\u00e2m m\u1ea1nh \u0111\u1ec3 t\u1ea1o ra n\u0103ng l\u01b0\u1ee3ng \u00edt l\u00e3ng ph\u00ed h\u01a1n. Nh\u1eefng ti\u1ebfn b\u1ed9 trong v\u1eadt li\u1ec7u t\u1eeb t\u00ednh \u0111ang l\u00e0m cho c\u00e1c h\u1ec7 th\u1ed1ng n\u00e0y hi\u1ec7u qu\u1ea3 v\u00e0 ph\u1ea3i ch\u0103ng h\u01a1n, \u0111i\u1ec1u n\u00e0y r\u1ea5t t\u1ed1t cho c\u00e1c n\u1ed7 l\u1ef1c n\u0103ng l\u01b0\u1ee3ng s\u1ea1ch tr\u00ean to\u00e0n qu\u1ed1c.<\/p>\n<p>Ngo\u00e0i n\u0103ng l\u01b0\u1ee3ng, nam ch\u00e2m ng\u00e0y c\u00e0ng \u0111\u00f3ng vai tr\u00f2 quan tr\u1ecdng trong c\u00e1c c\u00f4ng ngh\u1ec7 th\u00fa v\u1ecb nh\u01b0 Internet v\u1ea1n v\u1eadt (IoT) v\u00e0 robot. Nam ch\u00e2m nh\u1ecf, ch\u00ednh x\u00e1c gi\u00fap c\u1ea3m bi\u1ebfn v\u00e0 thi\u1ebft b\u1ecb giao ti\u1ebfp v\u00e0 ho\u1ea1t \u0111\u1ed9ng tr\u01a1n tru. T\u1eeb c\u00e1c thi\u1ebft b\u1ecb nh\u00e0 th\u00f4ng minh \u0111\u1ebfn robot t\u1ef1 \u0111\u1ed9ng trong s\u1ea3n xu\u1ea5t, nam ch\u00e2m gi\u1eef cho m\u1ecdi th\u1ee9 k\u1ebft n\u1ed1i v\u00e0 v\u1eadn h\u00e0nh.<\/p>\n<p>T\u00f3m l\u1ea1i, d\u00f9 l\u00e0 xe \u0111i\u1ec7n, n\u0103ng l\u01b0\u1ee3ng xanh hay c\u00f4ng ngh\u1ec7 th\u00f4ng minh, nam ch\u00e2m s\u1ebd l\u00e0 ph\u1ea7n quan tr\u1ecdng trong b\u1ee9c tranh c\u00f4ng ngh\u1ec7 t\u01b0\u01a1ng lai c\u1ee7a Vi\u1ec7t Nam. C\u00e1c doanh nghi\u1ec7p v\u00e0 ng\u01b0\u1eddi ti\u00eau d\u00f9ng \u0111\u1ec1u h\u01b0\u1edfng l\u1ee3i t\u1eeb nh\u1eefng ti\u1ebfn b\u1ed9 n\u00e0y, khi nam ch\u00e2m ng\u00e0y c\u00e0ng m\u1ea1nh m\u1ebd, \u0111a d\u1ea1ng v\u00e0 c\u1ea7n thi\u1ebft cho cu\u1ed9c s\u1ed1ng h\u00e0ng ng\u00e0y.<\/p>\n<\/div>","protected":false},"excerpt":{"rendered":"<p>Kh\u00e1m ph\u00e1 c\u00f4ng d\u1ee5ng c\u1ee7a nam ch\u00e2m trong \u0111\u1eddi s\u1ed1ng h\u00e0ng ng\u00e0y v\u00e0 c\u00f4ng nghi\u1ec7p Kh\u00e1m ph\u00e1 c\u00e1c v\u1eadt li\u1ec7u t\u1eeb t\u00ednh ch\u1ea5t l\u01b0\u1ee3ng cao c\u1ee7a NBAEM bao g\u1ed3m NdFeB, SmCo v\u00e0 nam ch\u00e2m ferrite cho c\u00e1c \u1ee9ng d\u1ee5ng \u0111a d\u1ea1ng<\/p>","protected":false},"author":1,"featured_media":1770,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"om_disable_all_campaigns":false,"_mi_skip_tracking":false,"footnotes":""},"categories":[1],"tags":[],"class_list":["post-1771","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-uncategorized"],"jetpack_featured_media_url":"https:\/\/nbaem.com\/wp-content\/uploads\/2025\/08\/what_is_magnet_used_for_Xjt.webp","_links":{"self":[{"href":"https:\/\/nbaem.com\/vi\/wp-json\/wp\/v2\/posts\/1771","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/nbaem.com\/vi\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/nbaem.com\/vi\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/nbaem.com\/vi\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/nbaem.com\/vi\/wp-json\/wp\/v2\/comments?post=1771"}],"version-history":[{"count":3,"href":"https:\/\/nbaem.com\/vi\/wp-json\/wp\/v2\/posts\/1771\/revisions"}],"predecessor-version":[{"id":1814,"href":"https:\/\/nbaem.com\/vi\/wp-json\/wp\/v2\/posts\/1771\/revisions\/1814"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/nbaem.com\/vi\/wp-json\/wp\/v2\/media\/1770"}],"wp:attachment":[{"href":"https:\/\/nbaem.com\/vi\/wp-json\/wp\/v2\/media?parent=1771"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/nbaem.com\/vi\/wp-json\/wp\/v2\/categories?post=1771"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/nbaem.com\/vi\/wp-json\/wp\/v2\/tags?post=1771"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}