{"id":3135,"date":"2025-10-04T02:20:23","date_gmt":"2025-10-04T02:20:23","guid":{"rendered":"https:\/\/nbaem.com\/?p=3135"},"modified":"2025-10-04T02:37:49","modified_gmt":"2025-10-04T02:37:49","slug":"how-to-make-potted-magnet","status":"publish","type":"post","link":"https:\/\/nbaem.com\/vi\/how-to-make-potted-magnet\/","title":{"rendered":"C\u00e1ch L\u00e0m Nam Ch\u00e2m Trong Ch\u1eadu"},"content":{"rendered":"<h2>Pha Magnet Trong Ch\u1eadu L\u00e0 G\u00ec V\u00e0 T\u1ea1i Sao N\u00ean T\u1ef1 L\u00e0m<\/h2>\n<p>N\u1ebfu b\u1ea1n t\u1eebng t\u1ef1 h\u1ecfi m\u1ed9t chi\u1ebfc magnet trong ch\u1eadu l\u00e0 g\u00ec v\u00e0 t\u1ea1i sao b\u1ea1n l\u1ea1i mu\u1ed1n t\u1ef1 l\u00e0m m\u1ed9t chi\u1ebfc, b\u1ea1n kh\u00f4ng \u0111\u01a1n \u0111\u1ed9c. N\u00f3i \u0111\u01a1n gi\u1ea3n, m\u1ed9t chi\u1ebfc magnet trong ch\u1eadu l\u00e0 m\u1ed9t nam ch\u00e2m v\u0129nh c\u1eedu\u2014th\u01b0\u1eddng l\u00e0 nam ch\u00e2m neodymium m\u1ea1nh\u2014\u0111\u01b0\u1ee3c bao b\u1ecdc ch\u1eafc ch\u1eafn trong m\u1ed9t v\u1ecf th\u00e9p b\u1ea3o v\u1ec7, \u0111\u00f4i khi g\u1ecdi l\u00e0 \u201cch\u1eadu\u201d. Thi\u1ebft k\u1ebf n\u00e0y t\u0103ng c\u01b0\u1eddng kh\u1ea3 n\u0103ng gi\u1eef c\u1ee7a nam ch\u00e2m \u0111\u1ed3ng th\u1eddi b\u1ea3o v\u1ec7 n\u00f3 kh\u1ecfi h\u01b0 h\u1ecfng, \u0103n m\u00f2n v\u00e0 m\u00e0i m\u00f2n.<\/p>\n<p>Hi\u1ec3u r\u00f5 v\u1ec1 c\u01a1 b\u1ea3n c\u1ee7a magnet trong ch\u1eadu gi\u00fap l\u00e0m r\u00f5 l\u00fd do t\u1ea1i sao c\u00e1c d\u1ef1 \u00e1n t\u1ef1 l\u00e0m l\u1ea1i \u0111\u00e1ng xem x\u00e9t. V\u1ecf th\u00e9p d\u1eabn h\u01b0\u1edbng l\u1ef1c t\u1eeb trong m\u1ed9t h\u01b0\u1edbng, t\u0103ng c\u01b0\u1eddng s\u1ee9c h\u00fat \u1edf n\u01a1i b\u1ea1n c\u1ea7n. C\u1ea5u h\u00ecnh n\u00e0y r\u1ea5t ph\u00f9 h\u1ee3p cho c\u00e1c \u1ee9ng d\u1ee5ng g\u1eafn, k\u1eb9p ho\u1eb7c gi\u1eef.<\/p>\n<p>B\u00e2y gi\u1edd, b\u1ea1n c\u00f3 n\u00ean t\u1ef1 l\u00e0m magnet trong ch\u1eadu hay mua m\u1ed9t chi\u1ebfc \u0111\u00e3 ho\u00e0n ch\u1ec9nh? D\u01b0\u1edbi \u0111\u00e2y l\u00e0 t\u00f3m t\u1eaft nhanh v\u1ec1 \u01b0u v\u00e0 nh\u01b0\u1ee3c \u0111i\u1ec3m:<\/p>\n<p><strong>\u01afu \u0111i\u1ec3m c\u1ee7a t\u1ef1 l\u00e0m<\/strong><\/p>\n<ul>\n<li>K\u00edch th\u01b0\u1edbc v\u00e0 h\u00ecnh d\u1ea1ng t\u00f9y ch\u1ec9nh ph\u00f9 h\u1ee3p v\u1edbi nhu c\u1ea7u c\u1ee5 th\u1ec3 c\u1ee7a b\u1ea1n<\/li>\n<li>Ti\u1ebft ki\u1ec7m chi ph\u00ed cho c\u00e1c l\u00f4 nh\u1ecf, \u0111\u1eb7c bi\u1ec7t<\/li>\n<li>Ki\u1ec3m so\u00e1t tr\u1ef1c ti\u1ebfp v\u1ec1 v\u1eadt li\u1ec7u v\u00e0 ch\u1ea5t l\u01b0\u1ee3ng l\u1eafp r\u00e1p<\/li>\n<\/ul>\n<p><strong>Nh\u01b0\u1ee3c \u0111i\u1ec3m c\u1ee7a t\u1ef1 l\u00e0m<\/strong><\/p>\n<ul>\n<li>Y\u00eau c\u1ea7u m\u1ed9t s\u1ed1 d\u1ee5ng c\u1ee5 v\u00e0 k\u1ef9 n\u0103ng c\u01a1 b\u1ea3n<\/li>\n<li>Th\u1eddi gian \u0111\u1ea7u t\u01b0 cho l\u1eafp r\u00e1p v\u00e0 ki\u1ec3m tra<\/li>\n<li>C\u00f3 th\u1ec3 g\u1eb7p kh\u00f3 kh\u0103n trong vi\u1ec7c \u0111\u1ea1t \u0111\u01b0\u1ee3c l\u1ef1c gi\u1eef t\u1eeb t\u1ed1i \u01b0u<\/li>\n<\/ul>\n<p><strong>\u01afu \u0111i\u1ec3m c\u1ee7a mua<\/strong><\/p>\n<ul>\n<li>S\u1eb5n s\u00e0ng s\u1eed d\u1ee5ng v\u1edbi th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt \u0111\u1ea3m b\u1ea3o<\/li>\n<li>S\u1ea3n xu\u1ea5t chuy\u00ean nghi\u1ec7p v\u00e0 ki\u1ec3m tra an to\u00e0n<\/li>\n<li>L\u00fd t\u01b0\u1edfng cho c\u00e1c \u0111\u01a1n h\u00e0ng s\u1ed1 l\u01b0\u1ee3ng l\u1edbn v\u00e0 thi\u1ebft k\u1ebf ph\u1ee9c t\u1ea1p<\/li>\n<\/ul>\n<p><strong>Nh\u01b0\u1ee3c \u0111i\u1ec3m c\u1ee7a mua<\/strong><\/p>\n<ul>\n<li>Chi ph\u00ed cao h\u01a1n cho s\u1ed1 l\u01b0\u1ee3ng nh\u1ecf ho\u1eb7c t\u00f9y ch\u1ec9nh<\/li>\n<li>\u00cdt linh ho\u1ea1t trong thi\u1ebft k\u1ebf v\u00e0 t\u00f9y bi\u1ebfn<\/li>\n<\/ul>\n<p>V\u1ec1 chi ph\u00ed, t\u1ef1 l\u00e0m c\u00f3 th\u1ec3 ti\u1ebft ki\u1ec7m h\u01a1n cho c\u00e1c l\u00f4 nh\u1ecf ho\u1eb7c \u1ee9ng d\u1ee5ng \u0111\u1eb7c bi\u1ec7t, nh\u01b0ng mua s\u1ed1 l\u01b0\u1ee3ng l\u1edbn t\u1eeb c\u00e1c chuy\u00ean gia nh\u01b0 NBAEM th\u01b0\u1eddng mang l\u1ea1i gi\u00e1 tr\u1ecb v\u00e0 \u0111\u1ed9 tin c\u1eady t\u1ed1t h\u01a1n.<\/p>\n<p>Nam ch\u00e2m \u0111\u00f3ng khu\u00f4n r\u1ea5t \u0111a n\u0103ng. Ch\u00fang th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong c\u00e1c \u1ee9ng d\u1ee5ng c\u00f4ng nghi\u1ec7p nh\u01b0 k\u1eb9p t\u1eeb t\u00ednh, gi\u1eef bi\u1ec3n hi\u1ec7u ho\u1eb7c d\u1ee5ng c\u1ee5, c\u1ed1 \u0111\u1ecbnh c\u00e1c b\u1ed9 ph\u1eadn m\u00e1y m\u00f3c, v\u00e0 th\u1eadm ch\u00ed trong c\u00e1c d\u1ef1 \u00e1n l\u1eafp \u0111\u1eb7t t\u1ef1 l\u00e0m quanh nh\u00e0 ho\u1eb7c x\u01b0\u1edfng l\u00e0m vi\u1ec7c. D\u00f9 b\u1ea1n mu\u1ed1n c\u1ea3i thi\u1ec7n l\u1ef1c gi\u1eef t\u1eeb t\u00ednh hay b\u1ea3o v\u1ec7 l\u00f5i neodymium \u0111\u1eaft ti\u1ec1n, vi\u1ec7c bi\u1ebft c\u00e1ch l\u00e0m nam ch\u00e2m \u0111\u00f3ng khu\u00f4n m\u1edf ra nhi\u1ec1u kh\u1ea3 n\u0103ng h\u1eefu \u00edch.<\/p>\n<h2>V\u1eadt li\u1ec7u v\u00e0 d\u1ee5ng c\u1ee5 c\u1ea7n thi\u1ebft \u0111\u1ec3 l\u00e0m nam ch\u00e2m \u0111\u00f3ng khu\u00f4n<\/h2>\n<p><img decoding=\"async\" src=\"https:\/\/nbaem.com\/wp-content\/uploads\/2025\/10\/Potted_Magnet_Components_and_Assembly_Tools_kvH3F8.webp\" alt=\"C\u00e1c th\u00e0nh ph\u1ea7n v\u00e0 d\u1ee5ng c\u1ee5 l\u1eafp r\u00e1p nam ch\u00e2m potted\" \/><\/p>\n<p>Tr\u01b0\u1edbc khi b\u1eaft \u0111\u1ea7u d\u1ef1 \u00e1n l\u00e0m nam ch\u00e2m l\u1eafp \u0111\u1eb7t t\u1ef1 l\u00e0m, b\u1ea1n c\u1ea7n chu\u1ea9n b\u1ecb c\u00e1c v\u1eadt li\u1ec7u v\u00e0 d\u1ee5ng c\u1ee5 ph\u00f9 h\u1ee3p \u0111\u1ec3 t\u1ea1o ra nam ch\u00e2m \u0111\u00f3ng khu\u00f4n ch\u1eafc ch\u1eafn v\u00e0 \u0111\u00e1ng tin c\u1eady.<\/p>\n<h3>L\u1ef1a ch\u1ecdn l\u00f5i nam ch\u00e2m ph\u00f9 h\u1ee3p<\/h3>\n<p>Vi\u1ec7c ch\u1ecdn l\u00f5i nam ch\u00e2m l\u00e0 r\u1ea5t quan tr\u1ecdng. H\u1ea7u h\u1ebft m\u1ecdi ng\u01b0\u1eddi s\u1eed d\u1ee5ng <strong>nam ch\u00e2m neodymium (NdFeB)<\/strong> b\u1edfi v\u00ec ch\u00fang cung c\u1ea5p l\u1ef1c gi\u1eef t\u1eeb m\u1ea1nh m\u1ebd trong k\u00edch th\u01b0\u1edbc nh\u1ecf. Tuy nhi\u00ean, <strong>nam ch\u00e2m ferrite<\/strong> l\u00e0 m\u1ed9t l\u1ef1a ch\u1ecdn n\u1ebfu b\u1ea1n mu\u1ed1n th\u1ee9 g\u00ec \u0111\u00f3 gi\u00e1 c\u1ea3 ph\u1ea3i ch\u0103ng h\u01a1n nh\u01b0ng l\u1ef1c t\u1eeb y\u1ebfu h\u01a1n. \u0110\u1ed1i v\u1edbi h\u1ea7u h\u1ebft nam ch\u00e2m \u0111\u00f3ng khu\u00f4n NdFeB t\u00f9y ch\u1ec9nh, vi\u1ec7c ch\u1ecdn nam ch\u00e2m c\u00f3 k\u00edch th\u01b0\u1edbc v\u00e0 l\u1ef1c k\u00e9o ph\u00f9 h\u1ee3p v\u1edbi \u1ee9ng d\u1ee5ng c\u1ee7a b\u1ea1n l\u00e0 r\u1ea5t quan tr\u1ecdng.<\/p>\n<h3>V\u1ecf v\u00e0 ph\u1ee5 ki\u1ec7n<\/h3>\n<p>\u201cKhu\u00f4n\u201d ho\u1eb7c v\u1ecf b\u1ea3o v\u1ec7 nam ch\u00e2m v\u00e0 t\u0103ng c\u01b0\u1eddng l\u1ef1c h\u00fat t\u1eeb b\u1eb1ng c\u00e1ch t\u1eadp trung tr\u01b0\u1eddng t\u1eeb. C\u00e1c lo\u1ea1i v\u1ecf ph\u1ed5 bi\u1ebfn bao g\u1ed3m:<\/p>\n<ul>\n<li><strong>V\u1ecf nam ch\u00e2m \u0111\u00f3ng khu\u00f4n b\u1eb1ng th\u00e9p<\/strong> \u2014 b\u1ec1n v\u00e0 t\u0103ng c\u01b0\u1eddng l\u1ef1c t\u1eeb<\/li>\n<li>Keo epoxy ho\u1eb7c nh\u1ef1a \u0111\u1ec3 bao b\u1ecdc nam ch\u00e2m v\u0129nh vi\u1ec5n gi\u00fap nam ch\u00e2m c\u1ee7a b\u1ea1n an to\u00e0n v\u00e0 ch\u1ed1ng h\u01b0 h\u1ecfng<\/li>\n<li>Ph\u1ee5 ki\u1ec7n l\u1eafp \u0111\u1eb7t nh\u01b0 v\u00edt ho\u1eb7c t\u1ea5m \u0111\u1ec3 gi\u00fap g\u1eafn nam ch\u00e2m v\u00e0o v\u1ecb tr\u00ed b\u1ea1n c\u1ea7n<\/li>\n<\/ul>\n<h3>D\u1ee5ng c\u1ee5 b\u1ea1n c\u1ea7n<\/h3>\n<p>C\u00f3 d\u1ee5ng c\u1ee5 ph\u00f9 h\u1ee3p gi\u00fap vi\u1ec7c l\u1eafp r\u00e1p d\u1ec5 d\u00e0ng v\u00e0 an to\u00e0n h\u01a1n. D\u01b0\u1edbi \u0111\u00e2y l\u00e0 danh s\u00e1ch nhanh:<\/p>\n<ul>\n<li>G\u0103ng tay b\u1ea3o h\u1ed9 v\u00e0 k\u00ednh b\u1ea3o v\u1ec7 m\u1eaft<\/li>\n<li>Keo epoxy ph\u00f9 h\u1ee3p cho nam ch\u00e2m (t\u00ecm lo\u1ea1i keo d\u00e1n nam ch\u00e2m v\u0129nh vi\u1ec5n)<\/li>\n<li>Tua v\u00edt v\u00e0\/ho\u1eb7c c\u1edd l\u00ea \u0111\u1ec3 l\u1eafp ph\u1ee5 ki\u1ec7n<\/li>\n<li>Thi\u1ebft b\u1ecb \u0111o l\u1ef1c k\u00e9o n\u1ebfu b\u1ea1n mu\u1ed1n \u0111o v\u00e0 t\u1ed1i \u01b0u l\u1ef1c gi\u1eef c\u1ee7a nam ch\u00e2m<\/li>\n<li>Gi\u1ea5y r\u00e1p ho\u1eb7c d\u1ee5ng c\u1ee5 m\u00e0i \u0111\u1ec3 chu\u1ea9n b\u1ecb b\u1ec1 m\u1eb7t cho \u0111\u1ed9 b\u00e1m d\u00ednh t\u1ed1t h\u01a1n<\/li>\n<\/ul>\n<p>Vi\u1ec7c chu\u1ea9n b\u1ecb c\u00e1c v\u1eadt li\u1ec7u v\u00e0 d\u1ee5ng c\u1ee5 n\u00e0y gi\u00fap b\u1ea1n c\u00f3 m\u1ed9t qu\u00e1 tr\u00ecnh l\u1eafp r\u00e1p su\u00f4n s\u1ebb v\u00e0 m\u1ed9t nam ch\u00e2m tr\u00f2n \u0111\u01b0\u1ee3c \u0111\u00f3ng g\u00f3i ch\u1eafc ch\u1eafn ngay trong kh\u00f4ng gian l\u00e0m vi\u1ec7c c\u1ee7a m\u00ecnh.<\/p>\n<h2>H\u01b0\u1edbng D\u1eabn T\u1eebng B\u01b0\u1edbc C\u00e1ch L\u1eafp R\u00e1p Nam Ch\u00e2m \u0110\u00f3ng G\u00f3i T\u1ea1i Nh\u00e0<\/h2>\n<h3>B\u01b0\u1edbc 1 Chu\u1ea9n B\u1ecb Kh\u00f4ng Gian L\u00e0m Vi\u1ec7c v\u00e0 Trang B\u1ecb An To\u00e0n<\/h3>\n<p>B\u1eaft \u0111\u1ea7u v\u1edbi m\u1ed9t khu v\u1ef1c s\u1ea1ch s\u1ebd, s\u00e1ng s\u1ee7a n\u01a1i b\u1ea1n c\u00f3 th\u1ec3 l\u00e0m vi\u1ec7c m\u00e0 kh\u00f4ng b\u1ecb ph\u00e2n t\u00e2m. \u0110\u1ea3m b\u1ea3o b\u1ea1n \u0111\u00e3 \u0111eo g\u0103ng tay b\u1ea3o h\u1ed9 v\u00e0 k\u00ednh an to\u00e0n\u2014nam ch\u00e2m neodymium c\u00f3 th\u1ec3 d\u00ednh ch\u1eb7t nhanh ch\u00f3ng v\u00e0 g\u00e2y th\u01b0\u01a1ng t\u00edch. Gi\u1eef c\u00e1c v\u1eadt kim lo\u1ea1i tr\u00e1nh xa kh\u1ecfi khu v\u1ef1c l\u00e0m vi\u1ec7c \u0111\u1ec3 tr\u00e1nh tai n\u1ea1n.<\/p>\n<h3>B\u01b0\u1edbc 2 Chu\u1ea9n B\u1ecb Nam Ch\u00e2m v\u00e0 V\u1ecf B\u1ecdc<\/h3>\n<p>B\u00e2y gi\u1edd, h\u00e3y chu\u1ea9n b\u1ecb l\u00f5i nam ch\u00e2m c\u1ee7a b\u1ea1n, th\u01b0\u1eddng l\u00e0 nam ch\u00e2m neodymium m\u1ea1nh. L\u00e0m s\u1ea1ch b\u1ec1 m\u1eb7t nam ch\u00e2m v\u00e0 v\u1ecf nam ch\u00e2m b\u1eb1ng kh\u0103n lau c\u1ed3n \u0111\u1ec3 lo\u1ea1i b\u1ecf d\u1ea7u m\u1ee1 ho\u1eb7c b\u1ee5i b\u1ea9n. \u0110i\u1ec1u n\u00e0y gi\u00fap li\u00ean k\u1ebft t\u1ed1t h\u01a1n khi b\u1ea1n l\u1eafp r\u00e1p ch\u00fang.<\/p>\n<h3>B\u01b0\u1edbc 3 G\u1eafn Nam Ch\u00e2m v\u00e0o V\u1ecf<\/h3>\n<p>\u0110\u1eb7t c\u1ea9n th\u1eadn nam ch\u00e2m v\u00e0o b\u00ean trong v\u1ecf th\u00e9p. S\u1eed d\u1ee5ng keo epoxy c\u01b0\u1eddng \u0111\u1ed9 cao \u0111\u1ec3 gi\u1eef nam ch\u00e2m c\u1ed1 \u0111\u1ecbnh. Ph\u1ebft \u0111\u1ec1u epoxy b\u00ean trong v\u1ecf tr\u01b0\u1edbc khi \u0111\u01b0a nam ch\u00e2m v\u00e0o v\u00e0 \u1ea5n nh\u1eb9 nh\u00e0ng. \u0110\u1ec3 epoxy kh\u00f4 theo h\u01b0\u1edbng d\u1eabn c\u1ee7a nh\u00e0 s\u1ea3n xu\u1ea5t\u2014th\u01b0\u1eddng kho\u1ea3ng 24 gi\u1edd.<\/p>\n<h3>B\u01b0\u1edbc 4 Th\u00eam C\u00e1c Ph\u1ee5 Ki\u1ec7n G\u1eafn V\u00e0 Ki\u1ec3m Tra L\u1ef1c H\u00fat<\/h3>\n<p>G\u1eafn c\u00e1c ph\u1ee5 ki\u1ec7n g\u1eafn nh\u01b0 bu l\u00f4ng ren ho\u1eb7c gi\u00e1 \u0111\u1ee1 v\u00e0o v\u1ecf n\u1ebfu c\u1ea7n. Khi m\u1ecdi th\u1ee9 \u0111\u00e3 s\u1eb5n s\u00e0ng, ki\u1ec3m tra l\u1ef1c gi\u1eef t\u1eeb c\u1ee7a nam ch\u00e2m. \u0110i\u1ec1u n\u00e0y \u0111\u1ea3m b\u1ea3o nam ch\u00e2m \u0111\u00f3ng g\u00f3i c\u1ee7a b\u1ea1n \u0111\u00e1p \u1ee9ng \u0111\u01b0\u1ee3c l\u1ef1c h\u00fat mong mu\u1ed1n cho d\u1ef1 \u00e1n c\u1ee7a m\u00ecnh.<\/p>\n<h3>B\u01b0\u1edbc 5 Ho\u00e0n Thi\u1ec7n v\u00e0 Kh\u1eafc Ph\u1ee5c S\u1ef1 C\u1ed1<\/h3>\n<p>Sau khi epoxy \u0111\u00e3 kh\u00f4 v\u00e0 qu\u00e1 tr\u00ecnh ki\u1ec3m tra ho\u00e0n t\u1ea5t, l\u00e0m s\u1ea1ch b\u1ea5t k\u1ef3 keo th\u1eeba n\u00e0o v\u00e0 ki\u1ec3m tra l\u1ea1i b\u1ed9 l\u1eafp r\u00e1p. N\u1ebfu nam ch\u00e2m c\u1ea3m th\u1ea5y l\u1ecfng ho\u1eb7c l\u1ef1c h\u00fat th\u1ea5p, ki\u1ec3m tra c\u00e1c khe h\u1edf ho\u1eb7c c\u00e1ch ph\u1ee7 keo kh\u00f4ng \u0111\u00fang. S\u1eeda c\u00e1c \u0111i\u1ec3m \u0111\u00f3, \u0111\u1ec3 kh\u00f4 l\u1ea1i v\u00e0 th\u1eed l\u1ea1i. Nam ch\u00e2m \u0111\u00f3ng g\u00f3i t\u00f9y ch\u1ec9nh c\u1ee7a b\u1ea1n gi\u1edd \u0111\u00e2y \u0111\u00e3 s\u1eb5n s\u00e0ng \u0111\u1ec3 s\u1eed d\u1ee5ng.<\/p>\n<h2>M\u1eb9o N\u00e2ng Cao cho Nam Ch\u00e2m \u0110\u00f3ng G\u00f3i T\u00f9y Ch\u1ec9nh v\u00e0 M\u1edf R\u1ed9ng Quy M\u00f4<\/h2>\n<p>Khi b\u1ea1n \u0111\u00e3 s\u1eb5n s\u00e0ng n\u00e2ng cao d\u1ef1 \u00e1n nam ch\u00e2m \u0111\u00f3ng g\u00f3i c\u1ee7a m\u00ecnh v\u01b0\u1ee3t ra ngo\u00e0i c\u00e1c x\u00e2y d\u1ef1ng c\u01a1 b\u1ea3n, d\u01b0\u1edbi \u0111\u00e2y l\u00e0 m\u1ed9t s\u1ed1 m\u1eb9o n\u00e2ng cao gi\u00fap b\u1ea1n t\u00f9y ch\u1ec9nh v\u00e0 m\u1edf r\u1ed9ng quy m\u00f4 nam ch\u00e2m m\u1ed9t c\u00e1ch hi\u1ec7u qu\u1ea3.<\/p>\n<h3>C\u00e1c Bi\u1ebfn Th\u1ec3 cho Nhu C\u1ea7u C\u1ee5 Th\u1ec3<\/h3>\n<ul>\n<li><strong>L\u1ef1a Ch\u1ecdn L\u00f5i Nam Ch\u00e2m<\/strong>: S\u1eed d\u1ee5ng v\u1ecf nam ch\u00e2m NdFeB t\u00f9y ch\u1ec9nh n\u1ebfu b\u1ea1n c\u1ea7n t\u0103ng c\u01b0\u1eddng l\u1ef1c gi\u1eef t\u1eeb c\u1ef1c m\u1ea1nh. \u0110\u1ed1i v\u1edbi c\u00e1c d\u1ef1 \u00e1n \u00edt \u0111\u00f2i h\u1ecfi h\u01a1n, v\u1ecf nam ch\u00e2m ferrite c\u00f3 th\u1ec3 \u0111\u1ee7 v\u00e0 ti\u1ebft ki\u1ec7m ng\u00e2n s\u00e1ch.<\/li>\n<li><strong>Ch\u1ea5t Li\u1ec7u V\u1ecf<\/strong>: V\u1ecf nam ch\u00e2m th\u00e9p l\u00e0 ph\u1ed5 bi\u1ebfn, nh\u01b0ng h\u00e3y xem x\u00e9t s\u1eed d\u1ee5ng th\u00e9p kh\u00f4ng g\u1ec9 ho\u1eb7c nh\u00f4m \u0111\u1ec3 ch\u1ed1ng \u0103n m\u00f2n n\u1ebfu nam ch\u00e2m c\u1ee7a b\u1ea1n s\u1ebd ti\u1ebfp x\u00fac v\u1edbi \u0111\u1ed9 \u1ea9m ho\u1eb7c m\u00f4i tr\u01b0\u1eddng kh\u1eafc nghi\u1ec7t.<\/li>\n<li><strong>C\u00e1c L\u1ef1a Ch\u1ecdn G\u1eafn K\u1ebft<\/strong>: G\u1eafn k\u1ebft b\u1eb1ng epoxy cho nam ch\u00e2m kh\u00f4ng ch\u1ec9 l\u00e0 v\u1ec1 \u0111\u1ed9 b\u1ec1n\u2014n\u00f3 c\u00f2n gi\u00fap h\u1ea5p th\u1ee5 rung \u0111\u1ed9ng v\u00e0 l\u00e0m k\u00edn. S\u1eed d\u1ee5ng epoxy c\u00f4ng nghi\u1ec7p ch\u1ea5t l\u01b0\u1ee3ng cao \u0111\u1ec3 c\u00f3 \u0111\u1ed9 \u1ed5n \u0111\u1ecbnh l\u00e2u d\u00e0i t\u1ed1t h\u01a1n.<\/li>\n<\/ul>\n<h3>Ki\u1ec3m Tra v\u00e0 T\u1ed1i \u01afu H\u00f3a<\/h3>\n<ul>\n<li>Lu\u00f4n ki\u1ec3m tra l\u1ef1c k\u00e9o c\u1ee7a c\u1ee5m nam ch\u00e2m c\u1ed1c neodymium c\u1ee7a b\u1ea1n. S\u1eed d\u1ee5ng c\u00f4ng c\u1ee5 ho\u1eb7c thi\u1ebft l\u1eadp ki\u1ec3m tra l\u1ef1c k\u00e9o nam ch\u00e2m \u0111\u1ec3 \u0111o l\u1ef1c gi\u1eef m\u1ed9t c\u00e1ch nh\u1ea5t qu\u00e1n.<\/li>\n<li>\u0110i\u1ec1u ch\u1ec9nh k\u00edch th\u01b0\u1edbc c\u1ed1c ho\u1eb7c \u0111\u1ed9 d\u00e0y nam ch\u00e2m \u0111\u1ec3 t\u1ed1i \u01b0u h\u00f3a t\u1eeb th\u00f4ng.<\/li>\n<li>Th\u1eed nghi\u1ec7m v\u1edbi th\u00e0nh v\u1ecf d\u00e0y h\u01a1n ho\u1eb7c th\u00eam t\u1ea5m th\u00e9p ph\u00eda sau \u0111\u1ec3 t\u0103ng c\u01b0\u1eddng hi\u1ec7u su\u1ea5t v\u00e0 \u0111\u1ed9 b\u1ec1n t\u1eeb t\u00ednh.<\/li>\n<li>Ki\u1ec3m tra l\u1ea1i sau b\u1ea5t k\u1ef3 s\u1eeda \u0111\u1ed5i n\u00e0o \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o nam ch\u00e2m duy tr\u00ec l\u1ef1c c\u1ea7n thi\u1ebft.<\/li>\n<\/ul>\n<h3>C\u00e1c y\u1ebfu t\u1ed1 m\u00f4i tr\u01b0\u1eddng v\u00e0 an to\u00e0n<\/h3>\n<ul>\n<li>L\u01b0u \u00fd \u0111\u1ebfn gi\u1edbi h\u1ea1n nhi\u1ec7t \u0111\u1ed9 c\u1ee7a nam ch\u00e2m c\u1ee7a b\u1ea1n\u2014nam ch\u00e2m NdFeB m\u1ea5t l\u1ef1c tr\u00ean m\u1ed9t m\u1ee9c nhi\u1ec7t nh\u1ea5t \u0111\u1ecbnh. Ch\u1ecdn v\u1eadt li\u1ec7u ph\u00f9 h\u1ee3p.<\/li>\n<li>X\u1eed l\u00fd nam ch\u00e2m m\u1ea1nh c\u1ea9n th\u1eadn \u0111\u1ec3 tr\u00e1nh b\u1ecb th\u01b0\u01a1ng; lu\u00f4n \u0111eo g\u0103ng tay v\u00e0 k\u00ednh b\u1ea3o h\u1ed9 trong qu\u00e1 tr\u00ecnh l\u1eafp r\u00e1p.<\/li>\n<li>B\u1ecdc k\u00edn \u0111\u00fang c\u00e1ch ng\u0103n ng\u1eeba \u0103n m\u00f2n t\u1eeb t\u00ednh v\u00e0 s\u1ef1 h\u00ecnh th\u00e0nh b\u1ee5i, k\u00e9o d\u00e0i tu\u1ed5i th\u1ecd c\u1ee7a nam ch\u00e2m.<\/li>\n<li>N\u1ebfu b\u1ea1n \u0111ang m\u1edf r\u1ed9ng quy m\u00f4 cho m\u1ee5c \u0111\u00edch s\u1eed d\u1ee5ng c\u00f4ng nghi\u1ec7p, h\u00e3y ki\u1ec3m tra s\u1ef1 tu\u00e2n th\u1ee7 c\u00e1c ti\u00eau chu\u1ea9n v\u00e0 quy \u0111\u1ecbnh an to\u00e0n li\u00ean quan.<\/li>\n<\/ul>\n<p>B\u1eb1ng c\u00e1ch l\u00e0m theo c\u00e1c m\u1eb9o n\u00e0y, b\u1ea1n c\u00f3 th\u1ec3 t\u1ea1o ra c\u00e1c nam ch\u00e2m b\u1ecdc t\u00f9y ch\u1ec9nh ph\u00f9 h\u1ee3p v\u1edbi nhu c\u1ea7u c\u1ee7a d\u1ef1 \u00e1n, ho\u1ea1t \u0111\u1ed9ng \u0111\u00e1ng tin c\u1eady trong nhi\u1ec1u m\u00f4i tr\u01b0\u1eddng kh\u00e1c nhau. \u0110\u1ec3 \u0111\u01b0\u1ee3c h\u01b0\u1edbng d\u1eabn chuy\u00ean s\u00e2u h\u01a1n v\u1ec1 c\u00e1ch t\u0103ng c\u01b0\u1eddng l\u1ef1c t\u1eeb, h\u00e3y xem chi ti\u1ebft c\u1ee7a ch\u00fang t\u00f4i <strong><span style=\"color: #ff6600;\"><a style=\"color: #ff6600;\" href=\"https:\/\/nbaem.com\/vi\/how-to-make-a-magnet-stronger\/\" target=\"_blank\" rel=\"noopener\">h\u01b0\u1edbng d\u1eabn v\u1ec1 c\u00e1ch l\u00e0m cho nam ch\u00e2m m\u1ea1nh h\u01a1n<\/a><\/span><\/strong>.<\/p>\n<h2>Khi N\u00e0o N\u00ean H\u1ee3p T\u00e1c V\u1edbi NBAEM \u0110\u1ec3 C\u00f3 Nam Ch\u00e2m B\u1ecdc Chuy\u00ean Nghi\u1ec7p<\/h2>\n<p>N\u1ebfu b\u1ea1n \u0111ang t\u00ecm ki\u1ebfm nam ch\u00e2m b\u1ecdc ch\u1ea5t l\u01b0\u1ee3ng cao, \u0111\u00e1ng tin c\u1eady nh\u01b0ng c\u1ea7n th\u1ee9 g\u00ec \u0111\u00f3 v\u01b0\u1ee3t xa DIY, th\u00ec \u0111\u00e3 \u0111\u1ebfn l\u00fac c\u00e2n nh\u1eafc h\u1ee3p t\u00e1c v\u1edbi NBAEM. Cho d\u00f9 b\u1ea1n mu\u1ed1n hi\u1ec7u su\u1ea5t nh\u1ea5t qu\u00e1n, \u0111\u01a1n \u0111\u1eb7t h\u00e0ng s\u1ed1 l\u01b0\u1ee3ng l\u1edbn hay th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt t\u00f9y ch\u1ec9nh, NBAEM c\u00f3 chuy\u00ean m\u00f4n v\u00e0 ngu\u1ed3n l\u1ef1c \u0111\u1ec3 cung c\u1ea5p ch\u00ednh x\u00e1c nh\u1eefng g\u00ec b\u1ea1n c\u1ea7n.<\/p>\n<h3>T\u1ea1i Sao Ch\u1ecdn NBAEM<\/h3>\n<ul>\n<li><strong>Ch\u1ea5t L\u01b0\u1ee3ng \u0110\u00e3 \u0110\u01b0\u1ee3c Ch\u1ee9ng Minh<\/strong>: NBAEM chuy\u00ean l\u1eafp r\u00e1p nam ch\u00e2m c\u1ed1c neodymium l\u00e0nh ngh\u1ec1 v\u00e0 b\u1ecdc nam ch\u00e2m v\u0129nh c\u1eedu, \u0111\u1ea3m b\u1ea3o nam ch\u00e2m c\u1ee7a b\u1ea1n gi\u1eef ch\u1eafc v\u00e0 b\u1ec1n l\u00e2u.<\/li>\n<li><strong>T\u00f9y ch\u1ec9nh<\/strong>: H\u1ecd cung c\u1ea5p c\u00e1c gi\u1ea3i ph\u00e1p c\u1ed1c nam ch\u00e2m NdFeB t\u00f9y ch\u1ec9nh ph\u00f9 h\u1ee3p v\u1edbi y\u00eau c\u1ea7u l\u1ef1c k\u00e9o ch\u00ednh x\u00e1c v\u00e0 s\u1edf th\u00edch v\u1ecf c\u1ee7a b\u1ea1n.<\/li>\n<li><strong>H\u1ed7 Tr\u1ee3 \u0110\u00e1ng Tin C\u1eady<\/strong>: T\u1eeb tr\u1ee3 gi\u00fap k\u1ef9 thu\u1eadt \u0111\u1ebfn d\u1ecbch v\u1ee5 sau b\u00e1n h\u00e0ng, NBAEM cung c\u1ea5p h\u1ed7 tr\u1ee3 \u0111\u00e1ng tin c\u1eady trong su\u1ed1t d\u1ef1 \u00e1n c\u1ee7a b\u1ea1n.<\/li>\n<li><strong>S\u1ea3n xu\u1ea5t ti\u00ean ti\u1ebfn<\/strong>: V\u1ecf nam ch\u00e2m n\u1ed3i th\u00e9p c\u1ee7a h\u1ecd v\u00e0 k\u1ef9 thu\u1eadt li\u00ean k\u1ebft epoxy n\u00e2ng cao l\u1ef1c gi\u1eef t\u1eeb v\u00e0 \u0111\u1ed9 b\u1ec1n t\u1ed1t h\u01a1n h\u1ea7u h\u1ebft c\u00e1c l\u1ef1a ch\u1ecdn c\u00f3 s\u1eb5n tr\u00ean th\u1ecb tr\u01b0\u1eddng.<\/li>\n<\/ul>\n<h3>\u0110\u1eb7t h\u00e0ng s\u1ed1 l\u01b0\u1ee3ng l\u1edbn v\u00e0 H\u1ed7 tr\u1ee3<\/h3>\n<p>N\u1ebfu b\u1ea1n c\u1ea7n s\u1ed1 l\u01b0\u1ee3ng l\u1edbn nam ch\u00e2m n\u1ed3i cho k\u1eb9p t\u1eeb c\u00f4ng nghi\u1ec7p ho\u1eb7c c\u00e1c \u1ee9ng d\u1ee5ng kh\u00e1c, d\u1ecbch v\u1ee5 \u0111\u1eb7t h\u00e0ng s\u1ed1 l\u01b0\u1ee3ng l\u1edbn c\u1ee7a NBAEM gi\u00fap b\u1ea1n ti\u1ebft ki\u1ec7m ti\u1ec1n v\u00e0 c\u00f4ng s\u1ee9c. H\u1ecd x\u1eed l\u00fd m\u1ecdi th\u1ee9 t\u1eeb vi\u1ec7c l\u1ef1a ch\u1ecdn nam ch\u00e2m n\u1ed3i ferrite ho\u1eb7c neodymium \u0111\u1ebfn ki\u1ec3m tra l\u1ef1c k\u00e9o c\u1ee7a nam ch\u00e2m tr\u00ean quy m\u00f4 l\u1edbn. B\u1ea1n c\u0169ng s\u1ebd \u0111\u01b0\u1ee3c h\u01b0\u1edfng l\u1ee3i t\u1eeb:<\/p>\n<ul>\n<li>Th\u1eddi gian giao h\u00e0ng nhanh h\u01a1n cho c\u00e1c \u0111\u01a1n h\u00e0ng l\u1edbn<\/li>\n<li>Ch\u1ea5t l\u01b0\u1ee3ng nh\u1ea5t qu\u00e1n trong t\u1eebng l\u00f4 h\u00e0ng<\/li>\n<li>D\u1ecbch v\u1ee5 kh\u00e1ch h\u00e0ng t\u1eadn t\u00e2m \u0111\u1ec3 theo d\u00f5i \u0111\u01a1n h\u00e0ng v\u00e0 h\u01b0\u1edbng d\u1eabn k\u1ef9 thu\u1eadt<\/li>\n<\/ul>\n<p>T\u00f3m l\u1ea1i, khi d\u1ef1 \u00e1n c\u1ee7a b\u1ea1n y\u00eau c\u1ea7u nam ch\u00e2m potted chuy\u00ean nghi\u1ec7p, t\u00f9y ch\u1ec9nh v\u1edbi h\u1ed7 tr\u1ee3 \u0111\u00e1ng tin c\u1eady, h\u1ee3p t\u00e1c v\u1edbi NBAEM l\u00e0 l\u1ef1a ch\u1ecdn ho\u00e0n h\u1ea3o.<\/p>","protected":false},"excerpt":{"rendered":"<p>H\u1ecdc c\u00e1ch l\u00e0m nam ch\u00e2m \u0111\u1ec3 b\u00e0n t\u1eebng b\u01b0\u1edbc v\u1edbi c\u00e1c m\u1eb9o t\u1eeb chuy\u00ean gia v\u1ec1 v\u1eadt li\u1ec7u, l\u1eafp r\u00e1p v\u00e0 t\u0103ng c\u01b0\u1eddng l\u1ef1c t\u1eeb \u0111\u1ec3 c\u00e1c d\u1ef1 \u00e1n t\u1ef1 l\u00e0m b\u1ec1n l\u00e2u.<\/p>","protected":false},"author":1,"featured_media":3139,"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-3135","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\/Professional_Potted_Magnets_Enhancements_i6wSj4rL6.webp","_links":{"self":[{"href":"https:\/\/nbaem.com\/vi\/wp-json\/wp\/v2\/posts\/3135","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=3135"}],"version-history":[{"count":2,"href":"https:\/\/nbaem.com\/vi\/wp-json\/wp\/v2\/posts\/3135\/revisions"}],"predecessor-version":[{"id":3144,"href":"https:\/\/nbaem.com\/vi\/wp-json\/wp\/v2\/posts\/3135\/revisions\/3144"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/nbaem.com\/vi\/wp-json\/wp\/v2\/media\/3139"}],"wp:attachment":[{"href":"https:\/\/nbaem.com\/vi\/wp-json\/wp\/v2\/media?parent=3135"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/nbaem.com\/vi\/wp-json\/wp\/v2\/categories?post=3135"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/nbaem.com\/vi\/wp-json\/wp\/v2\/tags?post=3135"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}