{"id":3278,"date":"2025-10-28T02:03:12","date_gmt":"2025-10-28T02:03:12","guid":{"rendered":"https:\/\/nbaem.com\/?p=3278"},"modified":"2025-10-28T04:53:49","modified_gmt":"2025-10-28T04:53:49","slug":"all-you-need-to-know-about-bonded-magnets","status":"publish","type":"post","link":"https:\/\/nbaem.com\/vi\/all-you-need-to-know-about-bonded-magnets\/","title":{"rendered":"T\u1ea5t c\u1ea3 nh\u1eefng g\u00ec b\u1ea1n c\u1ea7n bi\u1ebft v\u1ec1 nam ch\u00e2m li\u00ean k\u1ebft"},"content":{"rendered":"<h2>Nh\u1eefng \u0110i\u1ec1u C\u1ea7n Hi\u1ec3u V\u1ec1 Nam Ch\u00e2m Li\u00ean K\u1ebft v\u00e0 Nh\u1eefng \u0110i\u1ec1u C\u01a1 B\u1ea3n<\/h2>\n<div id=\"attachment_3276\" style=\"width: 891px\" class=\"wp-caption alignnone\"><img decoding=\"async\" aria-describedby=\"caption-attachment-3276\" class=\"wp-image-3276\" src=\"https:\/\/nbaem.com\/wp-content\/uploads\/2025\/10\/Bonded_Magnets_Types_and_Selection_Guide_TSkyvn9Sj-1024x502.webp\" alt=\"Nam Ch\u00e2m Li\u00ean K\u1ebft\" width=\"881\" height=\"432\" srcset=\"https:\/\/nbaem.com\/wp-content\/uploads\/2025\/10\/Bonded_Magnets_Types_and_Selection_Guide_TSkyvn9Sj-18x9.webp 18w, https:\/\/nbaem.com\/wp-content\/uploads\/2025\/10\/Bonded_Magnets_Types_and_Selection_Guide_TSkyvn9Sj-200x98.webp 200w, https:\/\/nbaem.com\/wp-content\/uploads\/2025\/10\/Bonded_Magnets_Types_and_Selection_Guide_TSkyvn9Sj-300x147.webp 300w, https:\/\/nbaem.com\/wp-content\/uploads\/2025\/10\/Bonded_Magnets_Types_and_Selection_Guide_TSkyvn9Sj-400x196.webp 400w, https:\/\/nbaem.com\/wp-content\/uploads\/2025\/10\/Bonded_Magnets_Types_and_Selection_Guide_TSkyvn9Sj-600x294.webp 600w, https:\/\/nbaem.com\/wp-content\/uploads\/2025\/10\/Bonded_Magnets_Types_and_Selection_Guide_TSkyvn9Sj-768x377.webp 768w, https:\/\/nbaem.com\/wp-content\/uploads\/2025\/10\/Bonded_Magnets_Types_and_Selection_Guide_TSkyvn9Sj-800x393.webp 800w, https:\/\/nbaem.com\/wp-content\/uploads\/2025\/10\/Bonded_Magnets_Types_and_Selection_Guide_TSkyvn9Sj-1024x502.webp 1024w, https:\/\/nbaem.com\/wp-content\/uploads\/2025\/10\/Bonded_Magnets_Types_and_Selection_Guide_TSkyvn9Sj-1200x589.webp 1200w, https:\/\/nbaem.com\/wp-content\/uploads\/2025\/10\/Bonded_Magnets_Types_and_Selection_Guide_TSkyvn9Sj.webp 1280w\" sizes=\"(max-width: 881px) 100vw, 881px\" \/><p id=\"caption-attachment-3276\" class=\"wp-caption-text\">Nam Ch\u00e2m Li\u00ean K\u1ebft<\/p><\/div>\n<p><a href=\"https:\/\/nbaem.com\/vi\/products\/bonded-magnets\/\" target=\"_blank\" rel=\"noopener\"><span style=\"color: #ff6600;\"><strong>Nam ch\u00e2m Li\u00ean k\u1ebft<\/strong><\/span><\/a> l\u00e0 m\u1ed9t lo\u1ea1i nam ch\u00e2m v\u0129nh c\u1eedu \u0111a d\u1ea1ng \u0111\u01b0\u1ee3c t\u1ea1o ra b\u1eb1ng c\u00e1ch k\u1ebft h\u1ee3p b\u1ed9t t\u1eeb t\u00ednh v\u1edbi v\u1eadt li\u1ec7u k\u1ebft d\u00ednh. Kh\u00e1c v\u1edbi nam ch\u00e2m truy\u1ec1n th\u1ed1ng ho\u00e0n to\u00e0n \u0111\u1eb7c v\u00e0 c\u1ee9ng, nam ch\u00e2m li\u00ean k\u1ebft pha tr\u1ed9n c\u00e1c h\u1ea1t t\u1eeb\u2014th\u01b0\u1eddng l\u00e0 c\u00e1c v\u1eadt li\u1ec7u nh\u01b0 neodymium, ferrite ho\u1eb7c samarium cobalt\u2014v\u1edbi ch\u1ea5t k\u1ebft d\u00ednh polymer ho\u1eb7c nh\u1ef1a \u0111\u1ec3 t\u1ea1o th\u00e0nh m\u1ed9t h\u1ee3p ch\u1ea5t linh ho\u1ea1t. H\u1ed7n h\u1ee3p n\u00e0y cho ph\u00e9p nam ch\u00e2m \u0111\u01b0\u1ee3c t\u1ea1o h\u00ecnh th\u00e0nh c\u00e1c d\u1ea1ng v\u00e0 k\u00edch th\u01b0\u1edbc ph\u1ee9c t\u1ea1p b\u1eb1ng c\u00e1c k\u1ef9 thu\u1eadt s\u1ea3n xu\u1ea5t kh\u00e1c nhau nh\u01b0 \u0111\u00fac phun ho\u1eb7c li\u00ean k\u1ebft n\u00e9n.<\/p>\n<h3>Th\u00e0nh Ph\u1ea7n v\u00e0 C\u1ea5u Tr\u00fac C\u1ed1t L\u00f5i<\/h3>\n<p>\u1ede trung t\u00e2m c\u1ee7a nam ch\u00e2m li\u00ean k\u1ebft l\u00e0 c\u00e1c b\u1ed9t t\u1eeb m\u1ecbn, bao g\u1ed3m c\u00e1c nam ch\u00e2m NdFeB li\u00ean k\u1ebft, tr\u1ed9n v\u1edbi ch\u1ea5t k\u1ebft d\u00ednh nh\u1ef1a. C\u1ea5u tr\u00fac h\u1ee3p ch\u1ea5t n\u00e0y t\u1ea1o ra c\u00e1c nam ch\u00e2m c\u00f3 t\u00ednh ch\u1ea5t \u0111\u1ed3ng h\u01b0\u1edbng ho\u1eb7c d\u1ecb h\u01b0\u1edbng\u2014ngh\u0129a l\u00e0 c\u00e1c \u0111\u1eb7c t\u00ednh t\u1eeb c\u1ee7a ch\u00fang c\u00f3 th\u1ec3 \u0111\u1ed3ng nh\u1ea5t trong t\u1ea5t c\u1ea3 c\u00e1c h\u01b0\u1edbng ho\u1eb7c \u0111\u01b0\u1ee3c c\u0103n ch\u1ec9nh \u0111\u1ec3 t\u0103ng c\u01b0\u1eddng s\u1ee9c m\u1ea1nh, t\u00f9y thu\u1ed9c v\u00e0o \u1ee9ng d\u1ee5ng. Ch\u1ea5t k\u1ebft d\u00ednh gi\u1eef c\u00e1c h\u1ea1t l\u1ea1i v\u1edbi nhau, cung c\u1ea5p \u0111\u1ed9 b\u1ec1n c\u01a1 h\u1ecdc v\u00e0 t\u00ednh linh ho\u1ea1t, trong khi c\u00e1c b\u1ed9t t\u1eeb cung c\u1ea5p l\u1ef1c t\u1eeb c\u1ea7n thi\u1ebft.<\/p>\n<h3>S\u1ef1 Kh\u00e1c Bi\u1ec7t Gi\u1eefa Nam Ch\u00e2m Li\u00ean K\u1ebft v\u00e0 Nam Ch\u00e2m Nung<\/h3>\n<p>Nam ch\u00e2m li\u00ean k\u1ebft kh\u00e1c bi\u1ec7t r\u00f5 r\u1ec7t so v\u1edbi nam ch\u00e2m nung \u1edf c\u1ea3 c\u1ea5u tr\u00fac v\u00e0 quy tr\u00ecnh s\u1ea3n xu\u1ea5t:<\/p>\n<ul>\n<li><strong>\u0110\u1ed9 \u0111\u1eb7c v\u00e0 S\u1ee9c m\u1ea1nh<\/strong>: Nam ch\u00e2m nung \u0111\u01b0\u1ee3c t\u1ea1o ra b\u1eb1ng c\u00e1ch \u00e9p v\u00e0 nung n\u00f3ng b\u1ed9t t\u1eeb \u0111\u1ec3 t\u1ea1o th\u00e0nh kh\u1ed1i \u0111\u1eb7c, c\u1ee9ng, mang l\u1ea1i s\u1ee9c m\u1ea1nh t\u1eeb cao nh\u01b0ng h\u1ea1n ch\u1ebf v\u1ec1 t\u00ednh linh ho\u1ea1t. Nam ch\u00e2m li\u00ean k\u1ebft c\u00f3 \u0111\u1ed9 \u0111\u1eb7c th\u1ea5p h\u01a1n nh\u01b0ng linh ho\u1ea1t h\u01a1n v\u00e0 c\u00f3 kh\u1ea3 n\u0103ng thi\u1ebft k\u1ebf \u0111a d\u1ea1ng h\u01a1n.<\/li>\n<li><strong>\u0110\u1ed9 ph\u1ee9c t\u1ea1p trong S\u1ea3n xu\u1ea5t<\/strong>: Nam ch\u00e2m li\u00ean k\u1ebft cho ph\u00e9p s\u1ea3n xu\u1ea5t nam ch\u00e2m theo h\u00ecnh d\u1ea1ng ch\u00ednh x\u00e1c, gi\u00fap t\u1ea1o ra c\u00e1c h\u00ecnh d\u1ea1ng ph\u1ee9c t\u1ea1p m\u00e0 kh\u00f4ng g\u00e2y l\u00e3ng ph\u00ed v\u1eadt li\u1ec7u nh\u01b0 trong qu\u00e1 tr\u00ecnh gia c\u00f4ng nam ch\u00e2m nung.<\/li>\n<li><strong>S\u1eed d\u1ee5ng V\u1eadt li\u1ec7u<\/strong>: Nam ch\u00e2m li\u00ean k\u1ebft c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng b\u1ed9t t\u1eeb t\u1eeb v\u1eadt li\u1ec7u t\u00e1i ch\u1ebf ho\u1eb7c ph\u1ebf li\u1ec7u, gi\u00fap ti\u1ebft ki\u1ec7m chi ph\u00ed v\u00e0 th\u00e2n thi\u1ec7n v\u1edbi m\u00f4i tr\u01b0\u1eddng h\u01a1n so v\u1edbi nam ch\u00e2m nung.<\/li>\n<\/ul>\n<p>T\u1ed5ng th\u1ec3, nam ch\u00e2m li\u00ean k\u1ebft n\u1ed5i b\u1eadt v\u1edbi kh\u1ea3 n\u0103ng th\u00edch \u1ee9ng v\u00e0 d\u1ec5 d\u00e0ng s\u1ea3n xu\u1ea5t, d\u00f9 kh\u00f4ng \u0111\u1ea1t \u0111\u01b0\u1ee3c l\u1ef1c t\u1eeb t\u1ed1i \u0111a nh\u01b0 nam ch\u00e2m nung. \u0110\u1ed1i v\u1edbi nh\u1eefng ai mu\u1ed1n c\u00e2n b\u1eb1ng gi\u1eefa hi\u1ec7u su\u1ea5t, chi ph\u00ed v\u00e0 \u0111a d\u1ea1ng trong thi\u1ebft k\u1ebf, nam ch\u00e2m li\u00ean k\u1ebft l\u00e0 m\u1ed9t l\u1ef1a ch\u1ecdn h\u1ea5p d\u1eabn. \u0110\u1ec3 t\u00ecm hi\u1ec3u s\u00e2u h\u01a1n v\u1ec1 c\u00e1c lo\u1ea1i nam ch\u00e2m v\u00e0 \u1ee9ng d\u1ee5ng c\u1ee7a ch\u00fang, NBAEM cung c\u1ea5p h\u01b0\u1edbng d\u1eabn chi ti\u1ebft v\u1ec1 <strong><span style=\"color: #ff6600;\"><a style=\"color: #ff6600;\" href=\"https:\/\/nbaem.com\/vi\/magnets-used-in-industrial\/\" target=\"_blank\" rel=\"noopener\">nam ch\u00e2m d\u00f9ng trong c\u00e1c \u1ee9ng d\u1ee5ng c\u00f4ng nghi\u1ec7p<\/a>.<\/span><\/strong><\/p>\n<h2>Quy tr\u00ecnh S\u1ea3n xu\u1ea5t T\u1eeb B\u1ed9t \u0111\u1ebfn Nam Ch\u00e2m Ch\u00ednh X\u00e1c<\/h2>\n<p>Vi\u1ec7c l\u00e0m nam ch\u00e2m li\u00ean k\u1ebft b\u1eaft \u0111\u1ea7u b\u1eb1ng b\u1ed9t t\u1eeb\u2014th\u01b0\u1eddng l\u00e0 s\u1ef1 pha tr\u1ed9n c\u1ee7a neodymium, s\u1eaft, boron ho\u1eb7c ferrite t\u00f9y thu\u1ed9c v\u00e0o lo\u1ea1i nam ch\u00e2m c\u1ea7n thi\u1ebft. B\u1ed9t n\u00e0y \u0111\u01b0\u1ee3c k\u1ebft h\u1ee3p v\u1edbi ch\u1ea5t k\u1ebft d\u00ednh, gi\u1eef m\u1ecdi th\u1ee9 l\u1ea1i v\u1edbi nhau, t\u1ea1o th\u00e0nh h\u1ee3p ch\u1ea5t nam ch\u00e2m v\u0129nh c\u1eedu. Ch\u1ea5t k\u1ebft d\u00ednh c\u00f3 th\u1ec3 l\u00e0 nh\u1ef1a ho\u1eb7c nh\u1ef1a resin, r\u1ea5t quan tr\u1ecdng \u0111\u1ec3 t\u1ea1o h\u00ecnh v\u00e0 linh ho\u1ea1t cho nam ch\u00e2m li\u00ean k\u1ebft.<\/p>\n<p>C\u00f3 hai ph\u01b0\u01a1ng ph\u00e1p ch\u00ednh \u0111\u1ec3 \u0111\u1ecbnh h\u00ecnh nam ch\u00e2m li\u00ean k\u1ebft: \u0111\u00fac phun v\u00e0 li\u00ean k\u1ebft n\u00e9n. Nam ch\u00e2m \u0111\u00fac phun s\u1eed d\u1ee5ng nh\u1ef1a n\u00f3ng ch\u1ea3y v\u00e0 b\u1ed9t t\u1eeb, phun h\u1ed7n h\u1ee3p v\u00e0o khu\u00f4n \u0111\u1ec3 t\u1ea1o h\u00ecnh d\u1ea1ng ph\u1ee9c t\u1ea1p v\u00e0 \u0111\u1ed9 ch\u00ednh x\u00e1c cao. Nam ch\u00e2m li\u00ean k\u1ebft n\u00e9n, ng\u01b0\u1ee3c l\u1ea1i, \u00e9p h\u1ed7n h\u1ee3p b\u1ed9t t\u1eeb v\u00e0 ch\u1ea5t k\u1ebft d\u00ednh v\u00e0o khu\u00f4n v\u1edbi \u00e1p l\u1ef1c cao, t\u1ea1o ra nam ch\u00e2m ch\u1eafc ch\u1eafn, \u0111\u1eb7c, l\u00fd t\u01b0\u1edfng cho c\u00e1c h\u00ecnh d\u1ea1ng \u0111\u01a1n gi\u1ea3n. C\u1ea3 hai ph\u01b0\u01a1ng ph\u00e1p \u0111\u1ec1u cho ph\u00e9p s\u1ea3n xu\u1ea5t nam ch\u00e2m theo h\u00ecnh d\u1ea1ng ch\u00ednh x\u00e1c, gi\u1ea3m thi\u1ec3u gia c\u00f4ng d\u01b0 th\u1eeba.<\/p>\n<p>L\u1ef1a ch\u1ecdn v\u1eadt li\u1ec7u r\u1ea5t quan tr\u1ecdng. V\u00ed d\u1ee5, ch\u1ecdn nam ch\u00e2m NdFeB li\u00ean k\u1ebft mang l\u1ea1i hi\u1ec7u su\u1ea5t t\u1eeb cao cho c\u00e1c \u1ee9ng d\u1ee5ng nh\u01b0 nam ch\u00e2m li\u00ean k\u1ebft trong \u00f4 t\u00f4, trong khi nam ch\u00e2m ferrite NdFeB lai c\u00f3 th\u1ec3 c\u00e2n b\u1eb1ng gi\u1eefa chi ph\u00ed v\u00e0 s\u1ee9c m\u1ea1nh. T\u1ed1i \u01b0u h\u00f3a c\u00f3 ngh\u0129a l\u00e0 \u0111i\u1ec1u ch\u1ec9nh k\u00edch th\u01b0\u1edbc b\u1ed9t, lo\u1ea1i ch\u1ea5t k\u1ebft d\u00ednh v\u00e0 \u0111i\u1ec1u ki\u1ec7n \u0111\u00fac \u0111\u1ec3 \u0111\u1ea1t \u0111\u01b0\u1ee3c c\u00e1c \u0111\u1eb7c t\u00ednh t\u1eeb v\u00e0 \u0111\u1ed9 b\u1ec1n t\u1ed1t nh\u1ea5t.<\/p>\n<p>Vi\u1ec7c ki\u1ec3m so\u00e1t ch\u00ednh x\u00e1c trong s\u1ea3n xu\u1ea5t cho ph\u00e9p nam ch\u00e2m li\u00ean k\u1ebft ph\u00f9 h\u1ee3p v\u1edbi m\u1ecdi lo\u1ea1i thi\u1ebft k\u1ebf, t\u1eeb c\u00e1c linh ki\u1ec7n nh\u1ecf trong \u0111i\u1ec7n t\u1eed \u0111\u1ebfn c\u00e1c b\u1ed9 ph\u1eadn c\u00f4ng nghi\u1ec7p l\u1edbn. \u0110\u1ec3 bi\u1ebft th\u00eam v\u1ec1 v\u1eadt li\u1ec7u nam ch\u00e2m v\u00e0 \u0111\u1eb7c t\u00ednh c\u1ee7a ch\u00fang, h\u00e3y xem <a href=\"https:\/\/nbaem.com\/vi\/magnets-materials\/\" target=\"_blank\" rel=\"noopener\"><strong><span style=\"color: #ff6600;\">v\u1eadt li\u1ec7u nam ch\u00e2m<\/span><\/strong><\/a>.<\/p>\n<h2>C\u00e1c lo\u1ea1i nam ch\u00e2m li\u00ean k\u1ebft v\u00e0 c\u00e1ch ch\u1ecdn ph\u00f9 h\u1ee3p v\u1edbi nhu c\u1ea7u c\u1ee7a b\u1ea1n<\/h2>\n<p>Khi ch\u1ecdn nam ch\u00e2m li\u00ean k\u1ebft, vi\u1ec7c hi\u1ec3u c\u00e1c t\u00f9y ch\u1ecdn d\u1ef1a tr\u00ean v\u1eadt li\u1ec7u t\u1eeb t\u00ednh v\u00e0 h\u00ecnh d\u1ea1ng v\u1eadt l\u00fd c\u1ee7a ch\u00fang s\u1ebd h\u1eefu \u00edch.<\/p>\n<h3>Theo V\u1eadt li\u1ec7u T\u1eeb t\u00ednh<\/h3>\n<ul>\n<li><strong>Nam ch\u00e2m NdFeB Li\u00ean k\u1ebft<\/strong>: \u0110\u00e2y l\u00e0 lo\u1ea1i ph\u1ed5 bi\u1ebfn v\u00ec c\u00f3 s\u1ee9c m\u1ea1nh t\u1eeb t\u00ednh m\u1ea1nh trong k\u00edch th\u01b0\u1edbc nh\u1ecf. \u0110\u01b0\u1ee3c l\u00e0m t\u1eeb b\u1ed9t neodymium tr\u1ed9n v\u1edbi ch\u1ea5t k\u1ebft d\u00ednh, ch\u00fang cung c\u1ea5p s\u1ef1 c\u00e2n b\u1eb1ng t\u1ed1t gi\u1eefa \u0111\u1ed9 m\u1ea1nh v\u00e0 \u0111\u1ed9 linh ho\u1ea1t. B\u1ea1n th\u01b0\u1eddng th\u1ea5y ch\u00fang trong c\u00e1c thi\u1ebft b\u1ecb \u0111i\u1ec7n t\u1eed v\u00e0 nam ch\u00e2m li\u00ean k\u1ebft trong \u00f4 t\u00f4.<\/li>\n<li><strong>Nam ch\u00e2m Ferrite NdFeB Hybrid<\/strong>: K\u1ebft h\u1ee3p b\u1ed9t ferrite v\u00e0 neodymium, mang l\u1ea1i l\u1ef1a ch\u1ecdn ti\u1ebft ki\u1ec7m chi ph\u00ed v\u1edbi hi\u1ec7u su\u1ea5t t\u1eeb t\u00ednh kh\u00e1 cho c\u00e1c \u1ee9ng d\u1ee5ng \u00edt \u0111\u00f2i h\u1ecfi h\u01a1n.<\/li>\n<li><strong>H\u1ee3p ch\u1ea5t Nam ch\u00e2m V\u0129nh c\u1eedu<\/strong>: S\u1eed d\u1ee5ng c\u00e1c h\u1ed7n h\u1ee3p kh\u00e1c nhau c\u1ee7a b\u1ed9t t\u1eeb v\u00e0 nh\u1ef1a ho\u1eb7c nh\u1ef1a resin, h\u1eefu \u00edch khi c\u1ea7n h\u00ecnh d\u1ea1ng ch\u00ednh x\u00e1c ho\u1eb7c \u0111\u1eb7c t\u00ednh \u0111\u1eb7c bi\u1ec7t.<\/li>\n<\/ul>\n<h3>Theo H\u00ecnh d\u1ea1ng v\u00e0 Thu\u1ed9c t\u00ednh<\/h3>\n<ul>\n<li><strong>Nam ch\u00e2m \u0110\u00fac Ti\u00eam<\/strong>: Ph\u00f9 h\u1ee3p cho c\u00e1c h\u00ecnh d\u1ea1ng ph\u1ee9c t\u1ea1p v\u00e0 s\u1ea3n xu\u1ea5t s\u1ed1 l\u01b0\u1ee3ng l\u1edbn. B\u1ed9t t\u1eeb \u0111\u01b0\u1ee3c tr\u1ed9n v\u1edbi ch\u1ea5t k\u1ebft d\u00ednh v\u00e0 ti\u00eam v\u00e0o khu\u00f4n, cho ph\u00e9p s\u1ea3n xu\u1ea5t nam ch\u00e2m d\u1ea1ng h\u00ecnh d\u1ea1ng ch\u00ednh x\u00e1c.<\/li>\n<li><strong>Nam ch\u00e2m Neodymium Li\u00ean k\u1ebft \u00c9p<\/strong>: \u0110\u01b0\u1ee3c l\u00e0m b\u1eb1ng c\u00e1ch \u00e9p b\u1ed9t t\u1eeb trong khu\u00f4n, ch\u00fang cung c\u1ea5p hi\u1ec7u su\u1ea5t t\u1eeb m\u1ea1nh h\u01a1n lo\u1ea1i \u0111\u00fac ti\u00eam nh\u01b0ng \u00edt linh ho\u1ea1t v\u1ec1 h\u00ecnh d\u1ea1ng h\u01a1n. Th\u00edch h\u1ee3p khi b\u1ea1n c\u1ea7n nam ch\u00e2m m\u1ea1nh h\u01a1n nh\u01b0ng v\u1eabn mu\u1ed1n c\u00f3 m\u1ed9t s\u1ed1 t\u1ef1 do thi\u1ebft k\u1ebf.<\/li>\n<li><strong>Nam ch\u00e2m \u0110\u1ecbnh h\u01b0\u1edbng \u0110\u1ed3ng nh\u1ea5t v\u00e0 Kh\u00f4ng \u0111\u1ed3ng nh\u1ea5t<\/strong>: Nam ch\u00e2m li\u00ean k\u1ebft \u0111\u1ed3ng nh\u1ea5t c\u00f3 \u0111\u1eb7c t\u00ednh t\u1eeb trong t\u1ea5t c\u1ea3 c\u00e1c h\u01b0\u1edbng, d\u1ec5 l\u00e0m vi\u1ec7c nh\u01b0ng \u00edt m\u1ea1nh h\u01a1n. Lo\u1ea1i kh\u00f4ng \u0111\u1ed3ng nh\u1ea5t \u0111\u01b0\u1ee3c c\u0103n ch\u1ec9nh trong qu\u00e1 tr\u00ecnh s\u1ea3n xu\u1ea5t \u0111\u1ec3 c\u00f3 t\u1eeb t\u00ednh m\u1ea1nh h\u01a1n theo h\u01b0\u1edbng. Ch\u1ecdn nam ch\u00e2m kh\u00f4ng \u0111\u1ed3ng nh\u1ea5t khi \u0111\u1ed9 m\u1ea1nh l\u00e0 y\u1ebfu t\u1ed1 quan tr\u1ecdng nh\u1ea5t.<\/li>\n<\/ul>\n<p>Vi\u1ec7c ch\u1ecdn \u0111\u00fang lo\u1ea1i nam ch\u00e2m li\u00ean k\u1ebft ph\u1ee5 thu\u1ed9c v\u00e0o k\u00edch th\u01b0\u1edbc, h\u00ecnh d\u1ea1ng, nhu c\u1ea7u v\u1ec1 \u0111\u1ed9 m\u1ea1nh v\u00e0 ng\u00e2n s\u00e1ch c\u1ee7a d\u1ef1 \u00e1n c\u1ee7a b\u1ea1n. Hi\u1ec3u r\u00f5 c\u00e1c lo\u1ea1i n\u00e0y s\u1ebd gi\u00fap b\u1ea1n t\u00ecm \u0111\u01b0\u1ee3c s\u1ea3n ph\u1ea9m ph\u00f9 h\u1ee3p nh\u1ea5t cho \u1ee9ng d\u1ee5ng c\u1ee7a m\u00ecnh.<\/p>\n<h2>\u01afu \u0111i\u1ec3m v\u00e0 H\u1ea1n ch\u1ebf c\u1ee7a Nam ch\u00e2m Li\u00ean k\u1ebft<\/h2>\n<h3>L\u1ee3i \u00edch ch\u00ednh<\/h3>\n<p>Nam ch\u00e2m li\u00ean k\u1ebft c\u00f3 nhi\u1ec1u \u01b0u \u0111i\u1ec3m khi\u1ebfn ch\u00fang tr\u1edf th\u00e0nh l\u1ef1a ch\u1ecdn ph\u1ed5 bi\u1ebfn trong nhi\u1ec1u ng\u00e0nh c\u00f4ng nghi\u1ec7p t\u1ea1i Vi\u1ec7t Nam:<\/p>\n<ul>\n<li><strong>T\u00ednh linh ho\u1ea1t trong thi\u1ebft k\u1ebf<\/strong><br \/>\nD\u1ec5 d\u00e0ng \u0111\u00fac th\u00e0nh c\u00e1c h\u00ecnh d\u1ea1ng ph\u1ee9c t\u1ea1p b\u1eb1ng c\u00e1c quy tr\u00ecnh s\u1ea3n xu\u1ea5t nam ch\u00e2m d\u1ea1ng h\u00ecnh d\u1ea1ng ch\u00ednh x\u00e1c nh\u01b0 \u0111\u00fac ti\u00eam ho\u1eb7c \u00e9p li\u00ean k\u1ebft. \u0110i\u1ec1u n\u00e0y ti\u1ebft ki\u1ec7m th\u1eddi gian v\u00e0 gi\u1ea3m thi\u1ec3u ch\u1ea5t th\u1ea3i.<\/li>\n<li><strong>S\u1ea3n xu\u1ea5t hi\u1ec7u qu\u1ea3 v\u1ec1 chi ph\u00ed<\/strong><br \/>\nChi ph\u00ed s\u1ea3n xu\u1ea5t th\u1ea5p h\u01a1n so v\u1edbi nam ch\u00e2m nung do \u00edt gia c\u00f4ng v\u00e0 ti\u00eau th\u1ee5 n\u0103ng l\u01b0\u1ee3ng h\u01a1n.<\/li>\n<li><strong>Nh\u1eb9 v\u00e0 B\u1ec1n<\/strong><br \/>\nNam ch\u00e2m NdFeB li\u00ean k\u1ebft k\u1ebft h\u1ee3p b\u1ed9t t\u1eeb v\u1edbi ch\u1ea5t k\u1ebft d\u00ednh \u0111\u1ec3 t\u1ea1o th\u00e0nh h\u1ee3p kim nam ch\u00e2m v\u0129nh c\u1eedu b\u1ec1n, nh\u1eb9 h\u01a1n.<\/li>\n<li><strong>Thu\u1ed9c t\u00ednh t\u1eeb t\u00ednh \u0110\u1ecbnh h\u01b0\u1edbng<\/strong><br \/>\nNhi\u1ec1u lo\u1ea1i nam ch\u00e2m li\u00ean k\u1ebft c\u00f3 t\u00ednh ch\u1ea5t t\u1eeb t\u00ednh \u0111\u1ecbnh h\u01b0\u1edbng, c\u00f3 th\u1ec3 t\u1eeb h\u00f3a theo m\u1ecdi h\u01b0\u1edbng, t\u0103ng t\u00ednh linh ho\u1ea1t.<\/li>\n<li><strong>Ch\u1ed1ng \u0103n m\u00f2n<\/strong><br \/>\nCh\u1ea5t k\u1ebft d\u00ednh b\u1ea3o v\u1ec7 b\u1ed9t t\u1eeb kh\u1ecfi \u0111\u1ed9 \u1ea9m v\u00e0 oxy h\u00f3a, n\u00e2ng cao \u0111\u1ed9 b\u1ec1n m\u00e0 kh\u00f4ng c\u1ea7n l\u1edbp ph\u1ee7 n\u1eb7ng.<\/li>\n<\/ul>\n<h3>Nh\u1eefng h\u1ea1n ch\u1ebf ti\u1ec1m n\u0103ng v\u00e0 c\u00e1ch kh\u1eafc ph\u1ee5c<\/h3>\n<p>Kh\u00f4ng c\u00f3 s\u1ea3n ph\u1ea9m n\u00e0o ho\u00e0n h\u1ea3o. D\u01b0\u1edbi \u0111\u00e2y l\u00e0 nh\u1eefng \u0111i\u1ec1u c\u1ea7n ch\u00fa \u00fd v\u1edbi nam ch\u00e2m li\u00ean k\u1ebft v\u00e0 c\u00e1ch x\u1eed l\u00fd c\u00e1c v\u1ea5n \u0111\u1ec1 n\u00e0y:<\/p>\n<table>\n<thead>\n<tr>\n<th><strong>H\u1ea1n ch\u1ebf<\/strong><\/th>\n<th><strong>Gi\u1ea3i th\u00edch<\/strong><\/th>\n<th><strong>C\u00e1ch kh\u1eafc ph\u1ee5c<\/strong><\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>\u0110\u1ed9 m\u1ea1nh t\u1eeb th\u1ea5p h\u01a1n<\/td>\n<td>So v\u1edbi nam ch\u00e2m nung, lo\u1ea1i li\u00ean k\u1ebft c\u00f3 n\u0103ng l\u01b0\u1ee3ng t\u1ed1i \u0111a th\u1ea5p h\u01a1n.<\/td>\n<td>S\u1eed d\u1ee5ng nam ch\u00e2m ferrite pha tr\u1ed9n ho\u1eb7c t\u1ed1i \u01b0u h\u00f3a h\u00e0m l\u01b0\u1ee3ng b\u1ed9t \u0111\u1ec3 t\u1ea1o ra tr\u01b0\u1eddng m\u1ea1nh h\u01a1n.<\/td>\n<\/tr>\n<tr>\n<td>Nh\u1ea1y c\u1ea3m v\u1edbi nhi\u1ec7t \u0111\u1ed9<\/td>\n<td>Nam ch\u00e2m li\u00ean k\u1ebft th\u01b0\u1eddng c\u00f3 hi\u1ec7u su\u1ea5t ch\u1ecbu nhi\u1ec7t cao h\u1ea1n ch\u1ebf.<\/td>\n<td>Ch\u1ecdn v\u1eadt li\u1ec7u thi\u1ebft k\u1ebf cho nhi\u1ec7t \u0111\u1ed9 cao h\u01a1n ho\u1eb7c th\u00eam ch\u1ea5t k\u1ebft d\u00ednh \u0111\u1eb7c bi\u1ec7t \u0111\u1ec3 \u1ed5n \u0111\u1ecbnh.<\/td>\n<\/tr>\n<tr>\n<td>\u0110\u1ed9 b\u1ec1n c\u01a1 h\u1ecdc<\/td>\n<td>Th\u00f4ng th\u01b0\u1eddng \u00edt c\u1ee9ng h\u01a1n v\u00e0 d\u1ec5 m\u00e0i m\u00f2n h\u01a1n.<\/td>\n<td>\u00c1p d\u1ee5ng l\u1edbp ph\u1ee7 b\u1ea3o v\u1ec7 ho\u1eb7c ch\u1ecdn lo\u1ea1i neodymium li\u00ean k\u1ebft n\u00e9n \u0111\u1ec3 t\u0103ng \u0111\u1ed9 b\u1ec1n.<\/td>\n<\/tr>\n<tr>\n<td>L\u1ef1a ch\u1ecdn \u0110\u1ecbnh h\u01b0\u1edbng h\u1ea1n ch\u1ebf<\/td>\n<td>M\u1ed9t s\u1ed1 d\u1ea1ng ch\u1ee7 y\u1ebfu cung c\u1ea5p nam ch\u00e2m ph\u00e2n c\u1ef1c t\u1ec9 \u0111\u1ed1i, gi\u1edbi h\u1ea1n hi\u1ec7u su\u1ea5t trong m\u1ed9t s\u1ed1 \u1ee9ng d\u1ee5ng.<\/td>\n<td>S\u1eed d\u1ee5ng nam ch\u00e2m li\u00ean k\u1ebft d\u1ecb h\u01b0\u1edbng khi y\u00eau c\u1ea7u t\u00ednh ch\u1ea5t t\u1eeb h\u01b0\u1edbng.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>Nam ch\u00e2m li\u00ean k\u1ebft ph\u00f9 h\u1ee3p v\u1edbi nhi\u1ec1u \u1ee9ng d\u1ee5ng, \u0111\u1eb7c bi\u1ec7t trong nam ch\u00e2m li\u00ean k\u1ebft \u00f4 t\u00f4 v\u00e0 \u0111i\u1ec7n t\u1eed ti\u00eau d\u00f9ng, n\u01a1i ph\u1ee9c t\u1ea1p h\u00ecnh d\u1ea1ng v\u00e0 chi ph\u00ed quan tr\u1ecdng h\u01a1n \u0111\u1ed9 m\u1ea1nh t\u1eeb t\u1ed1i \u0111a. Hi\u1ec3u r\u00f5 c\u00e1c \u0111\u00e1nh \u0111\u1ed5i gi\u00fap b\u1ea1n ch\u1ecdn \u0111\u00fang lo\u1ea1i nam ch\u00e2m cho d\u1ef1 \u00e1n c\u1ee7a m\u00ecnh.<\/p>\n<h2>C\u00e1c \u1ee8ng D\u1ee5ng Th\u1ef1c T\u1ebf N\u01a1i Nam Ch\u00e2m Li\u00ean K\u1ebft T\u1ecfa S\u00e1ng<\/h2>\n<p>Nam ch\u00e2m li\u00ean k\u1ebft xu\u1ea5t hi\u1ec7n kh\u1eafp n\u01a1i trong th\u1ebf gi\u1edbi c\u00f4ng ngh\u1ec7 ng\u00e0y nay, \u0111\u1eb7c bi\u1ec7t trong c\u00e1c ng\u00e0nh c\u00f4ng nghi\u1ec7p n\u01a1i \u0111\u1ed9 ch\u00ednh x\u00e1c v\u00e0 linh ho\u1ea1t quan tr\u1ecdng. Nh\u1edd \u0111\u1eb7c t\u00ednh \u0111\u1ed9c \u0111\u00e1o\u2014nh\u01b0 nh\u1eb9, d\u1ec5 \u0111\u1ecbnh h\u00ecnh v\u00e0 ti\u1ebft ki\u1ec7m chi ph\u00ed\u2014ch\u00fang ph\u00f9 h\u1ee3p trong nhi\u1ec1u \u1ee9ng d\u1ee5ng tr\u00ean th\u1ecb tr\u01b0\u1eddng Vi\u1ec7t Nam.<\/p>\n<h3>\u0110i\u1ec3m N\u1ed5i B\u1eadt Ng\u00e0nh C\u00f4ng Nghi\u1ec7p<\/h3>\n<ul>\n<li><strong>\u00d4 t\u00f4<\/strong>: Nam ch\u00e2m NdFeB li\u00ean k\u1ebft, bao g\u1ed3m c\u00e1c lo\u1ea1i nam ch\u00e2m neodymium li\u00ean k\u1ebft n\u00e9n, \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i trong xe \u0111i\u1ec7n cho \u0111\u1ed9ng c\u01a1 v\u00e0 c\u1ea3m bi\u1ebfn. Kh\u1ea3 n\u0103ng \u0111\u1ecbnh h\u00ecnh th\u00e0nh c\u00e1c h\u00ecnh d\u1ea1ng ph\u1ee9c t\u1ea1p gi\u00fap nh\u00e0 s\u1ea3n xu\u1ea5t ti\u1ebft ki\u1ec7m kh\u00f4ng gian v\u00e0 tr\u1ecdng l\u01b0\u1ee3ng.<\/li>\n<li><strong>\u0110i\u1ec7n t\u1eed<\/strong>: Nam ch\u00e2m \u0111\u00fac ti\u00eam cung c\u1ea5p gi\u1ea3i ph\u00e1p t\u1eeb t\u00ednh nh\u1ecf g\u1ecdn v\u00e0 \u0111\u00e1ng tin c\u1eady trong \u0111i\u1ec7n tho\u1ea1i th\u00f4ng minh, tai nghe, v\u00e0 thi\u1ebft b\u1ecb \u0111eo.<\/li>\n<li><strong>M\u00e1y m\u00f3c c\u00f4ng nghi\u1ec7p<\/strong>: H\u1ee3p ch\u1ea5t nam ch\u00e2m v\u0129nh c\u1eedu t\u1eeb nam ch\u00e2m li\u00ean k\u1ebft c\u1ea3i thi\u1ec7n hi\u1ec7u qu\u1ea3 \u0111\u1ed9ng c\u01a1 trong d\u1ee5ng c\u1ee5 v\u00e0 m\u00e1y m\u00f3c.<\/li>\n<li><strong>Ch\u0103m s\u00f3c s\u1ee9c kh\u1ecfe<\/strong>: T\u1eeb m\u00e1y MRI \u0111\u1ebfn c\u00e1c thi\u1ebft b\u1ecb ch\u00ednh x\u00e1c, nam ch\u00e2m li\u00ean k\u1ebft mang l\u1ea1i \u0111\u1ed9 nh\u1ea5t qu\u00e1n m\u00e0 kh\u00f4ng gi\u00f2n nh\u01b0 nam ch\u00e2m nung k\u1ebft.<\/li>\n<\/ul>\n<h3>M\u1edf \u0110\u1ea7u Nghi\u00ean C\u1ee9u Tr\u01b0\u1eddng H\u1ee3p<\/h3>\n<p>M\u1ed9t nh\u00e0 cung c\u1ea5p \u00f4 t\u00f4 h\u00e0ng \u0111\u1ea7u t\u1ea1i Vi\u1ec7t Nam \u0111\u00e3 thay th\u1ebf nam ch\u00e2m nung k\u1ebft truy\u1ec1n th\u1ed1ng b\u1eb1ng nam ch\u00e2m li\u00ean k\u1ebft ferrite NdFeB lai trong thi\u1ebft k\u1ebf \u0111\u1ed9ng c\u01a1 \u0111i\u1ec7n c\u1ee7a h\u1ecd. Vi\u1ec7c n\u00e0y \u0111\u00e3 c\u1ea3i thi\u1ec7n t\u1ef7 l\u1ec7 tr\u1ecdng l\u01b0\u1ee3ng tr\u00ean c\u00f4ng su\u1ea5t c\u1ee7a \u0111\u1ed9ng c\u01a1 v\u00e0 gi\u1ea3m chi ph\u00ed s\u1ea3n xu\u1ea5t 15%. K\u1ebft qu\u1ea3 th\u1ec3 hi\u1ec7n s\u1ee9c m\u1ea1nh c\u1ee7a c\u00f4ng ngh\u1ec7 s\u1ea3n xu\u1ea5t nam ch\u00e2m d\u1ea1ng h\u00ecnh d\u1ea1ng th\u1ef1c\u2014\u0111\u1ea1t hi\u1ec7u su\u1ea5t cao v\u1edbi \u00edt ph\u1ebf ph\u1ea9m h\u01a1n.<\/p>\n<p>Nh\u1eefng v\u00ed d\u1ee5 n\u00e0y l\u00e0m n\u1ed5i b\u1eadt c\u00e1ch nam ch\u00e2m li\u00ean k\u1ebft \u0111ang \u0111\u1ecbnh h\u00ecnh c\u00e1c ng\u00e0nh c\u00f4ng nghi\u1ec7p v\u00e0 m\u1edf ra c\u00e1nh c\u1eeda cho c\u00e1c c\u00f4ng ngh\u1ec7 th\u00f4ng minh, nh\u1eb9 h\u01a1n v\u00e0 ti\u1ebft ki\u1ec7m chi ph\u00ed h\u01a1n.<\/p>\n<h2>Xu h\u01b0\u1edbng v\u00e0 \u0110\u1ed5i m\u1edbi T\u01b0\u01a1ng lai trong C\u00f4ng ngh\u1ec7 Nam Ch\u00e2m Li\u00ean K\u1ebft<\/h2>\n<p>Nam ch\u00e2m li\u00ean k\u1ebft \u0111ang ph\u00e1t tri\u1ec3n nhanh ch\u00f3ng, v\u1edbi c\u00e1c s\u00e1ng ki\u1ebfn m\u1edbi l\u00e0m ch\u00fang m\u1ea1nh m\u1ebd h\u01a1n, \u0111a d\u1ea1ng h\u01a1n v\u00e0 d\u1ec5 s\u1ea3n xu\u1ea5t h\u01a1n. D\u01b0\u1edbi \u0111\u00e2y l\u00e0 m\u1ed9t s\u1ed1 ph\u00e1t tri\u1ec3n n\u1ed5i b\u1eadt \u0111\u1ecbnh h\u00ecnh t\u01b0\u01a1ng lai c\u1ee7a c\u00f4ng ngh\u1ec7 nam ch\u00e2m li\u00ean k\u1ebft:<\/p>\n<ul>\n<li>\n<h3>Ch\u1ea5t k\u1ebft d\u00ednh B\u1ed9t T\u1eeb T\u00ednh N\u00e2ng Cao<\/h3>\n<p>Ch\u1ea5t k\u1ebft d\u00ednh m\u1edbi c\u1ea3i thi\u1ec7n hi\u1ec7u su\u1ea5t t\u1eeb t\u00ednh \u0111\u1ed3ng th\u1eddi l\u00e0m nam ch\u00e2m nh\u1eb9 h\u01a1n v\u00e0 linh ho\u1ea1t h\u01a1n. C\u00e1c ch\u1ea5t k\u1ebft d\u00ednh n\u00e0y c\u0169ng t\u0103ng kh\u1ea3 n\u0103ng ch\u1ecbu nhi\u1ec7t, \u0111i\u1ec1u n\u00e0y r\u1ea5t quan tr\u1ecdng \u0111\u1ed1i v\u1edbi nam ch\u00e2m li\u00ean k\u1ebft trong \u00f4 t\u00f4 s\u1eed d\u1ee5ng d\u01b0\u1edbi n\u1eafp cap\u00f4.<\/li>\n<li>\n<h3>Nam ch\u00e2m Ferrite NdFeB Hybrid<\/h3>\n<p>K\u1ebft h\u1ee3p b\u1ed9t ferrite v\u00e0 neodymium t\u1ea1o ra nam ch\u00e2m c\u00e2n b\u1eb1ng gi\u1eefa chi ph\u00ed v\u00e0 \u0111\u1ed9 m\u1ea1nh. Ph\u01b0\u01a1ng ph\u00e1p lai n\u00e0y ng\u00e0y c\u00e0ng \u0111\u01b0\u1ee3c \u01b0a chu\u1ed9ng trong c\u00e1c ng\u00e0nh c\u1ea7n nam ch\u00e2m c\u00f3 c\u00f4ng su\u1ea5t trung b\u00ecnh nh\u01b0ng chi ph\u00ed s\u1ea3n xu\u1ea5t th\u1ea5p h\u01a1n.<\/li>\n<li>\n<h3>S\u1ea3n Xu\u1ea5t Nam Ch\u00e2m D\u1ea1ng H\u00ecnh Th\u1ec3 Th\u1eb3ng<\/h3>\n<p>C\u00e1c ph\u01b0\u01a1ng ph\u00e1p ch\u00ednh x\u00e1c nh\u01b0 \u0111\u00fac ti\u00eam v\u00e0 li\u00ean k\u1ebft n\u00e9n \u0111ang gi\u1ea3m thi\u1ec3u ch\u1ea5t th\u1ea3i v\u1eadt li\u1ec7u v\u00e0 t\u0103ng t\u1ed1c qu\u00e1 tr\u00ecnh s\u1ea3n xu\u1ea5t. S\u1ea3n xu\u1ea5t d\u1ea1ng h\u00ecnh d\u1ea1ng th\u1ef1c c\u00f3 ngh\u0129a l\u00e0 nam ch\u00e2m g\u1ea7n nh\u01b0 \u0111\u00e3 s\u1eb5n s\u00e0ng \u0111\u1ec3 s\u1eed d\u1ee5ng, gi\u1ea3m th\u1eddi gian gia c\u00f4ng v\u00e0 ho\u00e0n thi\u1ec7n.<\/li>\n<li>\n<h3>C\u1ea3i ti\u1ebfn \u0110\u1ecbnh h\u01b0\u1edbng v\u00e0 Kh\u00f4ng \u0111\u1ecbnh h\u01b0\u1edbng<\/h3>\n<p>C\u00e1c k\u1ef9 thu\u1eadt m\u1edbi \u0111ang ho\u00e0n thi\u1ec7n ki\u1ec3m so\u00e1t h\u01b0\u1edbng h\u1ea1t, n\u00e2ng cao hi\u1ec7u su\u1ea5t c\u1ee7a nam ch\u00e2m NdFeB li\u00ean k\u1ebft \u0111\u1ecbnh h\u01b0\u1edbng. \u0110i\u1ec1u n\u00e0y thu h\u1eb9p kho\u1ea3ng c\u00e1ch gi\u1eefa nam ch\u00e2m li\u00ean k\u1ebft v\u00e0 nam ch\u00e2m nung trong kh\u1ea3 n\u0103ng t\u1eeb tr\u01b0\u1eddng.<\/li>\n<li>\n<h3>V\u1eadt li\u1ec7u B\u1ec1n v\u1eefng v\u00e0 Th\u00e2n thi\u1ec7n M\u00f4i tr\u01b0\u1eddng<\/h3>\n<p>Nghi\u00ean c\u1ee9u t\u1eadp trung v\u00e0o gi\u1ea3m t\u00e1c \u0111\u1ed9ng m\u00f4i tr\u01b0\u1eddng c\u1ee7a qu\u00e1 tr\u00ecnh s\u1ea3n xu\u1ea5t nam ch\u00e2m b\u1eb1ng c\u00e1ch t\u00e1i ch\u1ebf b\u1ed9t t\u1eeb v\u00e0 s\u1eed d\u1ee5ng ch\u1ea5t k\u1ebft d\u00ednh th\u00e2n thi\u1ec7n h\u01a1n v\u1edbi m\u00f4i tr\u01b0\u1eddng.<\/li>\n<\/ul>\n<p>Nh\u1eefng xu h\u01b0\u1edbng n\u00e0y m\u1edf ra c\u00e1c \u1ee9ng d\u1ee5ng m\u1edbi v\u00e0 c\u1ea3i thi\u1ec7n c\u00e1c \u1ee9ng d\u1ee5ng hi\u1ec7n c\u00f3, \u0111\u1eb7c bi\u1ec7t trong xe \u0111i\u1ec7n, robot v\u00e0 \u0111i\u1ec7n t\u1eed ti\u00eau d\u00f9ng. Theo k\u1ecbp c\u00e1c \u0111\u1ed5i m\u1edbi n\u00e0y c\u00f3 th\u1ec3 gi\u00fap doanh nghi\u1ec7p l\u1ef1a ch\u1ecdn nam ch\u00e2m li\u00ean k\u1ebft ph\u00f9 h\u1ee3p nh\u1ea5t v\u1edbi nhu c\u1ea7u v\u00e0 ti\u1ebfp c\u1eadn c\u00f4ng ngh\u1ec7 s\u1eb5n s\u00e0ng cho t\u01b0\u01a1ng lai.<\/p>\n<h2>C\u00e2u h\u1ecfi th\u01b0\u1eddng g\u1eb7p - Tr\u1ea3 l\u1eddi nhanh c\u00e1c c\u00e2u h\u1ecfi ph\u1ed5 bi\u1ebfn v\u1ec1 nam ch\u00e2m li\u00ean k\u1ebft<\/h2>\n<h3>Nam ch\u00e2m li\u00ean k\u1ebft \u0111\u01b0\u1ee3c l\u00e0m t\u1eeb g\u00ec?<\/h3>\n<p>Nam ch\u00e2m li\u00ean k\u1ebft \u0111\u01b0\u1ee3c t\u1ea1o ra b\u1eb1ng c\u00e1ch tr\u1ed9n b\u1ed9t t\u1eeb nh\u01b0 nam ch\u00e2m NdFeB li\u00ean k\u1ebft ho\u1eb7c ferrite v\u1edbi ch\u1ea5t k\u1ebft d\u00ednh nh\u01b0 nh\u1ef1a ho\u1eb7c epoxy. \u0110i\u1ec1u n\u00e0y t\u1ea1o ra m\u1ed9t nam ch\u00e2m composite d\u1ec5 \u0111\u1ecbnh h\u00ecnh.<\/p>\n<h3>Nam ch\u00e2m li\u00ean k\u1ebft kh\u00e1c g\u00ec so v\u1edbi nam ch\u00e2m nung?<\/h3>\n<p>Nam ch\u00e2m li\u00ean k\u1ebft \u0111\u01b0\u1ee3c h\u00ecnh th\u00e0nh qua qu\u00e1 tr\u00ecnh li\u00ean k\u1ebft, th\u01b0\u1eddng l\u00e0 nam ch\u00e2m \u00e9p phun ho\u1eb7c li\u00ean k\u1ebft n\u00e9n neodymium, khi\u1ebfn ch\u00fang \u00edt \u0111\u1eb7c h\u01a1n nh\u01b0ng linh ho\u1ea1t h\u01a1n trong h\u00ecnh d\u1ea1ng. Nam ch\u00e2m nung c\u00f3 m\u1eadt \u0111\u1ed9 cao h\u01a1n v\u00e0 m\u1ea1nh h\u01a1n nh\u01b0ng kh\u00f3 \u0111\u1ecbnh h\u00ecnh sau s\u1ea3n xu\u1ea5t.<\/p>\n<h3>Nam ch\u00e2m li\u00ean k\u1ebft c\u00f3 ph\u1ea3i l\u00e0 \u0111\u1ecbnh h\u01b0\u1edbng hay kh\u00f4ng \u0111\u1ecbnh h\u01b0\u1edbng?<\/h3>\n<p>Ch\u00fang c\u00f3 th\u1ec3 l\u00e0 c\u1ea3 hai. Nam ch\u00e2m li\u00ean k\u1ebft \u0111\u1ecbnh h\u01b0\u1edbng c\u00f3 \u0111\u1eb7c t\u00ednh t\u1eeb tr\u01b0\u1eddng gi\u1ed1ng nhau \u1edf m\u1ecdi h\u01b0\u1edbng, trong khi nam ch\u00e2m kh\u00f4ng \u0111\u1ecbnh h\u01b0\u1edbng c\u00f3 h\u1ea1t \u0111\u00e3 \u0111\u01b0\u1ee3c \u0111\u1ecbnh h\u01b0\u1edbng \u0111\u1ec3 t\u0103ng c\u01b0\u1eddng hi\u1ec7u su\u1ea5t t\u1eeb tr\u01b0\u1eddng.<\/p>\n<h3>Lo\u1ea1i nam ch\u00e2m li\u00ean k\u1ebft n\u00e0o ph\u00f9 h\u1ee3p nh\u1ea5t cho s\u1eed d\u1ee5ng trong \u00f4 t\u00f4?<\/h3>\n<p>Nam ch\u00e2m li\u00ean k\u1ebft d\u00f9ng trong \u00f4 t\u00f4 th\u01b0\u1eddng l\u00e0 nam ch\u00e2m NdFeB li\u00ean k\u1ebft do c\u00f3 \u0111\u1eb7c t\u00ednh t\u1eeb m\u1ea1nh v\u00e0 kh\u1ea3 n\u0103ng \u0111\u00fac th\u00e0nh c\u00e1c h\u00ecnh d\u1ea1ng ph\u1ee9c t\u1ea1p ph\u00f9 h\u1ee3p cho \u0111\u1ed9ng c\u01a1 v\u00e0 c\u1ea3m bi\u1ebfn trong xe.<\/p>\n<h3>Nam ch\u00e2m li\u00ean k\u1ebft c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng trong m\u00f4i tr\u01b0\u1eddng nhi\u1ec7t \u0111\u1ed9 cao kh\u00f4ng?<\/h3>\n<p>Trong khi nam ch\u00e2m li\u00ean k\u1ebft th\u01b0\u1eddng c\u00f3 kh\u1ea3 n\u0103ng ch\u1ecbu nhi\u1ec7t th\u1ea5p h\u01a1n so v\u1edbi lo\u1ea1i nung, vi\u1ec7c ch\u1ecdn \u0111\u00fang ch\u1ea5t k\u1ebft d\u00ednh v\u00e0 b\u1ed9t t\u1eeb c\u00f3 th\u1ec3 c\u1ea3i thi\u1ec7n kh\u1ea3 n\u0103ng ch\u1ecbu nhi\u1ec7t c\u1ee7a ch\u00fang.<\/p>\n<h3>Nam ch\u00e2m li\u00ean k\u1ebft c\u00f3 th\u00e2n thi\u1ec7n v\u1edbi m\u00f4i tr\u01b0\u1eddng kh\u00f4ng?<\/h3>\n<p>Ch\u00fang th\u01b0\u1eddng t\u1ea1o ra \u00edt ch\u1ea5t th\u1ea3i h\u01a1n th\u00f4ng qua qu\u00e1 tr\u00ecnh s\u1ea3n xu\u1ea5t nam ch\u00e2m d\u1ea1ng h\u00ecnh d\u1ea1ng r\u00f2ng, l\u00e0m cho ch\u00fang tr\u1edf th\u00e0nh l\u1ef1a ch\u1ecdn b\u1ec1n v\u1eefng h\u01a1n trong nhi\u1ec1u \u1ee9ng d\u1ee5ng.<\/p>\n<h3>T\u00f4i c\u00f3 th\u1ec3 t\u00ecm hi\u1ec3u th\u00eam v\u1ec1 nam ch\u00e2m neodymium \u1edf \u0111\u00e2u?<\/h3>\n<p>Xem t\u1ea1i <strong><span style=\"color: #ff6600;\"><a style=\"color: #ff6600;\" href=\"https:\/\/en.wikipedia.org\/wiki\/Neodymium_magnet#\" target=\"_blank\" rel=\"noopener\">h\u01b0\u1edbng d\u1eabn v\u1ec1 nam ch\u00e2m neodymium<\/a><\/span><\/strong> \u0111\u1ec3 kh\u00e1m ph\u00e1 c\u00e1c chi ti\u1ebft.<\/p>\n<p>N\u1ebfu b\u1ea1n c\u00f3 nhi\u1ec1u c\u00e2u h\u1ecfi h\u01a1n v\u1ec1 nam ch\u00e2m li\u00ean k\u1ebft ho\u1eb7c c\u1ea7n l\u1eddi khuy\u00ean v\u1ec1 lo\u1ea1i ph\u00f9 h\u1ee3p cho d\u1ef1 \u00e1n c\u1ee7a b\u1ea1n, h\u00e3y li\u00ean h\u1ec7 v\u1edbi ch\u00fang t\u00f4i!<\/p>","protected":false},"excerpt":{"rendered":"<p>Kh\u00e1m ph\u00e1 t\u1ea5t c\u1ea3 nh\u1eefng g\u00ec b\u1ea1n c\u1ea7n bi\u1ebft v\u1ec1 nam ch\u00e2m li\u00ean k\u1ebft bao g\u1ed3m c\u00e1c lo\u1ea1i, quy tr\u00ecnh s\u1ea3n xu\u1ea5t, l\u1ee3i \u00edch v\u00e0 \u1ee9ng d\u1ee5ng cho c\u00e1c gi\u1ea3i ph\u00e1p t\u1eeb t\u00ednh ti\u00ean ti\u1ebfn.<\/p>","protected":false},"author":1,"featured_media":3277,"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-3278","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-uncategorized"],"jetpack_featured_media_url":"https:\/\/nbaem.com\/wp-content\/uploads\/2025\/10\/All_you_need_to_know_about_bonded_magnets_dwjp8pNG.webp","_links":{"self":[{"href":"https:\/\/nbaem.com\/vi\/wp-json\/wp\/v2\/posts\/3278","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=3278"}],"version-history":[{"count":1,"href":"https:\/\/nbaem.com\/vi\/wp-json\/wp\/v2\/posts\/3278\/revisions"}],"predecessor-version":[{"id":3279,"href":"https:\/\/nbaem.com\/vi\/wp-json\/wp\/v2\/posts\/3278\/revisions\/3279"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/nbaem.com\/vi\/wp-json\/wp\/v2\/media\/3277"}],"wp:attachment":[{"href":"https:\/\/nbaem.com\/vi\/wp-json\/wp\/v2\/media?parent=3278"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/nbaem.com\/vi\/wp-json\/wp\/v2\/categories?post=3278"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/nbaem.com\/vi\/wp-json\/wp\/v2\/tags?post=3278"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}