{"id":3174,"date":"2025-10-11T02:17:15","date_gmt":"2025-10-11T02:17:15","guid":{"rendered":"https:\/\/nbaem.com\/?p=3174"},"modified":"2025-10-11T02:27:57","modified_gmt":"2025-10-11T02:27:57","slug":"what-is-a-cylinder-magnet","status":"publish","type":"post","link":"https:\/\/nbaem.com\/vi\/what-is-a-cylinder-magnet\/","title":{"rendered":"C\u00e2y nam ch\u00e2m h\u00ecnh tr\u1ee5 l\u00e0 g\u00ec"},"content":{"rendered":"<h2>\u0110\u1ecbnh ngh\u0129a v\u00e0 \u0111\u1eb7c \u0111i\u1ec3m ch\u00ednh x\u00e1c c\u1ee7a l\u00f5i nam ch\u00e2m h\u00ecnh tr\u1ee5<\/h2>\n<p>V\u1eady, nam ch\u00e2m h\u00ecnh tr\u1ee5 ch\u00ednh x\u00e1c l\u00e0 g\u00ec? N\u00f3i \u0111\u01a1n gi\u1ea3n, \u0111\u00f3 l\u00e0 m\u1ed9t nam ch\u00e2m v\u0129nh c\u1eedu h\u00ecnh d\u1ea1ng thanh r\u1eafn ho\u1eb7c h\u00ecnh tr\u1ee5. H\u1ea7u h\u1ebft c\u00e1c lo\u1ea1i nam ch\u00e2m n\u00e0y \u0111\u01b0\u1ee3c l\u00e0m t\u1eeb neodymium s\u1eaft boron (NdFeB), m\u1ed9t lo\u1ea1i v\u1eadt li\u1ec7u \u0111\u1ea5t hi\u1ebfm n\u1ed5i ti\u1ebfng v\u1edbi <strong>m\u1eadt \u0111\u1ed9 t\u1eeb tr\u01b0\u1eddng c\u1ef1c k\u1ef3 cao<\/strong>. \u0110i\u1ec1u n\u00e0y c\u00f3 ngh\u0129a l\u00e0 nam ch\u00e2m h\u00ecnh tr\u1ee5 mang l\u1ea1i l\u1ef1c t\u1eeb m\u1ea1nh m\u1ebd trong k\u00edch th\u01b0\u1edbc nh\u1ecf g\u1ecdn.<\/p>\n<p>Nam ch\u00e2m h\u00ecnh tr\u1ee5 c\u00f3 nhi\u1ec1u k\u00edch c\u1ee1 v\u00e0 c\u1ea5p \u0111\u1ed9 kh\u00e1c nhau, th\u01b0\u1eddng dao \u0111\u1ed9ng t\u1eeb <strong>N35 \u0111\u1ebfn N55<\/strong>\u2014s\u1ed1 c\u00e0ng cao, l\u1ef1c t\u1eeb c\u00e0ng m\u1ea1nh. B\u1ea1n s\u1ebd th\u1ea5y ch\u00fang d\u01b0\u1edbi d\u1ea1ng thanh r\u1eafn ho\u1eb7c c\u00f3 l\u1ed7 trung t\u00e2m, t\u00f9y thu\u1ed9c v\u00e0o nhu c\u1ea7u \u1ee9ng d\u1ee5ng. Nh\u1eefng \u0111\u1eb7c \u0111i\u1ec3m v\u1eadt l\u00fd n\u00e0y khi\u1ebfn nam ch\u00e2m h\u00ecnh tr\u1ee5 r\u1ea5t linh ho\u1ea1t.<\/p>\n<p>So v\u1edbi nam ch\u00e2m \u0111\u0129a ho\u1eb7c thanh, nam ch\u00e2m h\u00ecnh tr\u1ee5 th\u01b0\u1eddng c\u00f3 kh\u1ea3 n\u0103ng ti\u1ebfp c\u1eadn t\u1eeb v\u00e0 l\u1ef1c h\u00fat t\u1ed1t h\u01a1n theo tr\u1ee5c c\u1ee7a ch\u00fang. \u0110i\u1ec1u n\u00e0y l\u00e0m cho ch\u00fang l\u00fd t\u01b0\u1edfng cho c\u00e1c \u1ee9ng d\u1ee5ng y\u00eau c\u1ea7u m\u1ed9t tr\u01b0\u1eddng t\u1eeb t\u1eadp trung, m\u1ea1nh m\u1ebd trong di\u1ec7n t\u00edch nh\u1ecf.<\/p>\n<p>T\u1ea1i NBAEM, ch\u00fang t\u00f4i ch\u1ebf t\u1ea1o c\u00e1c nam ch\u00e2m h\u00ecnh tr\u1ee5 \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf ch\u00ednh x\u00e1c theo ti\u00eau chu\u1ea9n to\u00e0n c\u1ea7u v\u1ec1 \u0111\u1ed9 nh\u1ea5t qu\u00e1n v\u00e0 hi\u1ec7u su\u1ea5t. D\u00f9 b\u1ea1n c\u1ea7n k\u00edch th\u01b0\u1edbc ti\u00eau chu\u1ea9n hay bi\u1ebfn th\u1ec3 t\u00f9y ch\u1ec9nh, nam ch\u00e2m rod neodymium c\u1ee7a NBAEM mang l\u1ea1i \u0111\u1ed9 tin c\u1eady v\u00e0 s\u1ee9c m\u1ea1nh m\u00e0 b\u1ea1n c\u00f3 th\u1ec3 tin t\u01b0\u1edfng.<\/p>\n<p>Kh\u00e1m ph\u00e1 th\u00eam v\u1ec1 c\u00e1ch nam ch\u00e2m h\u00ecnh tr\u1ee5 so s\u00e1nh v\u1edbi c\u00e1c d\u1ea1ng kh\u00e1c v\u00e0 l\u00fd do t\u1ea1i sao ch\u00fang l\u00e0 l\u1ef1a ch\u1ecdn th\u00f4ng minh cho d\u1ef1 \u00e1n c\u1ee7a b\u1ea1n.<\/p>\n<h2>C\u00e1ch s\u1ea3n xu\u1ea5t nam ch\u00e2m h\u00ecnh tr\u1ee5 - Ph\u00e2n t\u00edch quy tr\u00ecnh t\u1eebng b\u01b0\u1edbc<\/h2>\n<p><img decoding=\"async\" src=\"https:\/\/nbaem.com\/wp-content\/uploads\/2025\/10\/Neodymium_Cylinder_Magnet_Manufacturing_Process_HK.webp\" alt=\"Quy tr\u00ecnh s\u1ea3n xu\u1ea5t nam ch\u00e2m h\u00ecnh tr\u1ee5 Neodymium\" \/><\/p>\n<p>Nam ch\u00e2m h\u00ecnh tr\u1ee5 th\u01b0\u1eddng b\u1eaft \u0111\u1ea7u t\u1eeb nguy\u00ean li\u1ec7u ch\u1ea5t l\u01b0\u1ee3ng cao \u2014 ch\u1ee7 y\u1ebfu l\u00e0 b\u1ed9t neodymium, s\u1eaft v\u00e0 boron. NBAEM \u0111\u1ea3m b\u1ea3o c\u00e1c nguy\u00ean li\u1ec7u n\u00e0y \u0111\u01b0\u1ee3c khai th\u00e1c c\u00f3 \u0111\u1ea1o \u0111\u1ee9c \u0111\u1ec3 \u0111\u00e1p \u1ee9ng ti\u00eau chu\u1ea9n to\u00e0n c\u1ea7u, \u0111i\u1ec1u n\u00e0y r\u1ea5t quan tr\u1ecdng \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o hi\u1ec7u su\u1ea5t v\u00e0 \u0111\u1ed9 tin c\u1eady c\u1ee7a nam ch\u00e2m.<\/p>\n<p>Quy tr\u00ecnh s\u1ea3n xu\u1ea5t g\u1ed3m c\u00e1c giai \u0111o\u1ea1n ch\u00ednh:<\/p>\n<ul>\n<li><strong>Nung ch\u1ea3y v\u00e0 \u0111\u00fac h\u1ee3p kim:<\/strong> Neodymium, s\u1eaft v\u00e0 boron \u0111\u01b0\u1ee3c nung ch\u1ea3y c\u00f9ng nhau th\u00e0nh h\u1ee3p kim.<\/li>\n<li><strong>Nghi\u1ec1n v\u00e0 \u00e9p:<\/strong> H\u1ee3p kim n\u00e0y \u0111\u01b0\u1ee3c nghi\u1ec1n th\u00e0nh b\u1ed9t m\u1ecbn, sau \u0111\u00f3 \u0111\u01b0\u1ee3c \u00e9p th\u00e0nh c\u00e1c h\u00ecnh d\u1ea1ng h\u00ecnh tr\u1ee5.<\/li>\n<li><strong>C\u0103n ch\u1ec9nh t\u1eeb tr\u01b0\u1eddng:<\/strong> Trong qu\u00e1 tr\u00ecnh \u00e9p, v\u1eadt li\u1ec7u \u0111\u01b0\u1ee3c ph\u01a1i nhi\u1ec5m v\u1edbi tr\u01b0\u1eddng t\u1eeb \u0111\u1ec3 c\u0103n ch\u1ec9nh c\u00e1c h\u1ea1t nh\u1eb1m t\u1ed1i \u0111a h\u00f3a s\u1ee9c m\u1ea1nh t\u1eeb tr\u01b0\u1eddng.<\/li>\n<li><strong>Nung:<\/strong> C\u00e1c m\u1ea3nh \u0111\u00e3 \u00e9p \u0111\u01b0\u1ee3c nung n\u00f3ng \u1edf nhi\u1ec7t \u0111\u1ed9 g\u1ea7n \u0111i\u1ec3m n\u00f3ng ch\u1ea3y, gi\u00fap li\u00ean k\u1ebft b\u1ed9t th\u00e0nh m\u1ed9t nam ch\u00e2m r\u1eafn ch\u1eafc v\u1edbi \u0111\u1ed9 \u0111\u1ed3ng \u0111\u1ec1u c\u1ee7a tr\u01b0\u1eddng t\u1eeb \u0111\u01b0\u1ee3c n\u00e2ng cao.<\/li>\n<li><strong>Gia c\u00f4ng:<\/strong> Sau qu\u00e1 tr\u00ecnh sinter, c\u00e1c nam ch\u00e2m \u0111\u01b0\u1ee3c \u0111\u1ecbnh h\u00ecnh ch\u00ednh x\u00e1c theo k\u00edch th\u01b0\u1edbc v\u00e0 th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt.<\/li>\n<li><strong>L\u1edbp ph\u1ee7:<\/strong> V\u00ec nam ch\u00e2m neodymium d\u1ec5 b\u1ecb \u0103n m\u00f2n, c\u00e1c l\u1edbp ph\u1ee7 b\u1ec1n nh\u01b0 nickel ho\u1eb7c epoxy \u0111\u01b0\u1ee3c \u00e1p d\u1ee5ng \u0111\u1ec3 b\u1ea3o v\u1ec7 ch\u1ed1ng \u1ea9m v\u00e0 m\u00e0i m\u00f2n.<\/li>\n<li><strong>H\u01b0\u1edbng t\u1eeb:<\/strong> Cu\u1ed1i c\u00f9ng, c\u00e1c nam ch\u00e2m \u0111\u01b0\u1ee3c t\u1eeb h\u00f3a, ngh\u0129a l\u00e0 ch\u00fang nh\u1eadn tr\u01b0\u1eddng t\u1eeb th\u00f4ng qua m\u1ed9t qu\u00e1 tr\u00ecnh ki\u1ec3m so\u00e1t.<\/li>\n<\/ul>\n<p>Ki\u1ec3m so\u00e1t ch\u1ea5t l\u01b0\u1ee3ng l\u00e0 m\u1ed9t ph\u1ea7n nghi\u00eam ng\u1eb7t c\u1ee7a qu\u00e1 tr\u00ecnh n\u00e0y. C\u00e1c nam ch\u00e2m \u0111\u01b0\u1ee3c ki\u1ec3m tra \u0111\u1ed9 \u1ed5n \u0111\u1ecbnh nhi\u1ec7t\u2014ch\u00fang ph\u1ea3i ch\u1ed1ng m\u1ea5t t\u1eeb \u0111\u1ebfn \u0111i\u1ec3m Curie c\u1ee7a ch\u00fang (nhi\u1ec7t \u0111\u1ed9 m\u00e0 nam ch\u00e2m m\u1ea5t s\u1ee9c m\u1ea1nh). NBAEM c\u0169ng t\u00f9y ch\u1ec9nh nam ch\u00e2m d\u1ef1a tr\u00ean nhu c\u1ea7u c\u1ee7a kh\u00e1ch h\u00e0ng, \u0111\u1ea3m b\u1ea3o c\u00e2n b\u1eb1ng gi\u1eefa l\u1ef1c h\u00fat, k\u00edch th\u01b0\u1edbc v\u00e0 kh\u1ea3 n\u0103ng ch\u1ecbu nhi\u1ec7t.<\/p>\n<p>Qu\u00e1 tr\u00ecnh s\u1ea3n xu\u1ea5t \u0111\u01b0\u1ee3c ki\u1ec3m so\u00e1t ch\u1eb7t ch\u1ebd n\u00e0y t\u1ea1o ra c\u00e1c nam ch\u00e2m h\u00ecnh tr\u1ee5 c\u00f3 tr\u01b0\u1eddng t\u1eeb m\u1ea1nh m\u1ebd, \u0111\u00e1ng tin c\u1eady v\u00e0 ho\u1ea1t \u0111\u1ed9ng \u1ed5n \u0111\u1ecbnh trong nhi\u1ec1u \u1ee9ng d\u1ee5ng.<\/p>\n<h2>C\u00e1c lo\u1ea1i v\u00e0 bi\u1ebfn th\u1ec3 c\u1ee7a nam ch\u00e2m h\u00ecnh tr\u1ee5 ch\u1ecdn lo\u1ea1i ph\u00f9 h\u1ee3p<\/h2>\n<p><img decoding=\"async\" src=\"https:\/\/nbaem.com\/wp-content\/uploads\/2025\/10\/Cylinder_Magnet_Types_and_Selection_Guide_72Sp9a9X.webp\" alt=\"C\u00e1c lo\u1ea1i nam ch\u00e2m h\u00ecnh tr\u1ee5 v\u00e0 h\u01b0\u1edbng d\u1eabn l\u1ef1a ch\u1ecdn\" \/><\/p>\n<p>Nam ch\u00e2m h\u00ecnh tr\u1ee5 c\u00f3 nhi\u1ec1u v\u1eadt li\u1ec7u v\u00e0 ki\u1ec3u d\u00e1ng kh\u00e1c nhau, v\u00ec v\u1eady vi\u1ec7c ch\u1ecdn lo\u1ea1i ph\u00f9 h\u1ee3p ph\u1ee5 thu\u1ed9c v\u00e0o nhu c\u1ea7u c\u1ee7a b\u1ea1n.<\/p>\n<h3>C\u00e1c lo\u1ea1i v\u1eadt li\u1ec7u<\/h3>\n<ul>\n<li><strong>Neodymi<\/strong>: Ph\u1ed5 bi\u1ebfn nh\u1ea5t, cung c\u1ea5p c\u01b0\u1eddng \u0111\u1ed9 tr\u01b0\u1eddng t\u1eeb cao v\u00e0 l\u1ef1c h\u00fat l\u1edbn.<\/li>\n<li><strong>Samari C\u00f4ban<\/strong>: Ch\u1ecbu nhi\u1ec7t v\u00e0 ch\u1ed1ng \u0103n m\u00f2n t\u1ed1t h\u01a1n, l\u00fd t\u01b0\u1edfng cho m\u00f4i tr\u01b0\u1eddng kh\u1eafc nghi\u1ec7t h\u01a1n.<\/li>\n<li><strong>G\u1ed1m<\/strong>: Ti\u1ebft ki\u1ec7m chi ph\u00ed v\u00e0 ch\u1eafc ch\u1eafn, nh\u01b0ng c\u00f3 c\u01b0\u1eddng \u0111\u1ed9 t\u1eeb th\u1ea5p h\u01a1n so v\u1edbi nam ch\u00e2m \u0111\u1ea5t hi\u1ebfm.<\/li>\n<\/ul>\n<h3>H\u01b0\u1edbng t\u1eeb h\u00f3a<\/h3>\n<ul>\n<li><strong>T\u1eeb h\u00f3a theo tr\u1ee5c<\/strong>: T\u1eeb h\u00f3a theo chi\u1ec1u d\u00e0i c\u1ee7a h\u00ecnh tr\u1ee5, ph\u1ed5 bi\u1ebfn cho c\u00e1c \u1ee9ng d\u1ee5ng ti\u00eau chu\u1ea9n.<\/li>\n<li><strong>T\u1eeb h\u00f3a theo \u0111\u01b0\u1eddng k\u00ednh<\/strong>: T\u1eeb h\u00f3a theo \u0111\u01b0\u1eddng k\u00ednh, ph\u00f9 h\u1ee3p khi b\u1ea1n c\u1ea7n c\u00e1c tr\u01b0\u1eddng t\u1eeb b\u00ean c\u1ea1nh sang b\u00ean c\u1ea1nh.<\/li>\n<\/ul>\n<h3>C\u00e1c bi\u1ebfn th\u1ec3 \u0111\u1eb7c bi\u1ec7t<\/h3>\n<ul>\n<li><strong>Nam ch\u00e2m h\u00ecnh tr\u1ee5 c\u00f3 l\u1ed7<\/strong>: C\u00f3 l\u1ed7 trung t\u00e2m \u0111\u1ec3 d\u1ec5 d\u00e0ng l\u1eafp \u0111\u1eb7t ho\u1eb7c \u1ee9ng d\u1ee5ng d\u00e2y d\u1eabn.<\/li>\n<li><strong>Nam ch\u00e2m ph\u1ee7 l\u1edbp<\/strong>C\u00e1c l\u1edbp b\u1ea3o v\u1ec7 nh\u01b0 nickel ho\u1eb7c epoxy gi\u00fap ch\u1ed1ng m\u00e0i m\u00f2n, \u0103n m\u00f2n v\u00e0 \u0111i\u1ec1u ki\u1ec7n kh\u1eafc nghi\u1ec7t.<\/li>\n<\/ul>\n<h3>C\u00e1ch ch\u1ecdn nam ch\u00e2m h\u00ecnh tr\u1ee5 ph\u00f9 h\u1ee3p<\/h3>\n<ul>\n<li>Xem x\u00e9t <strong>l\u1ef1c h\u00fat<\/strong> d\u1ef1a tr\u00ean k\u00edch th\u01b0\u1edbc v\u00e0 c\u1ea5p \u0111\u1ed9 c\u1ee7a nam ch\u00e2m\u2014nam ch\u00e2m m\u1ea1nh h\u01a1n th\u01b0\u1eddng c\u00f3 l\u1ef1c h\u00fat cao h\u01a1n.<\/li>\n<li>Ch\u00fa \u00fd \u0111\u1ebfn <strong>v\u00e0 \u0111\u01b0\u1ee3c gi\u1eef trong gi\u1edbi h\u1ea1n<\/strong>, \u0111\u1eb7c bi\u1ec7t n\u1ebfu nam ch\u00e2m s\u1ebd \u0111\u1eb7t trong thi\u1ebft b\u1ecb nhi\u1ec7t \u0111\u1ed9 cao\u2014m\u1ed9t s\u1ed1 nam ch\u00e2m m\u1ea5t \u0111i \u0111\u1ed9 m\u1ea1nh tr\u00ean nhi\u1ec7t \u0111\u1ed9 nh\u1ea5t \u0111\u1ecbnh.<\/li>\n<li>K\u00edch th\u01b0\u1edbc quan tr\u1ecdng \u0111\u1ec3 ph\u00f9 h\u1ee3p v\u1edbi thi\u1ebft b\u1ecb ho\u1eb7c c\u00e0i \u0111\u1eb7t c\u1ee7a b\u1ea1n, v\u00ec v\u1eady h\u00e3y t\u00ecm ki\u1ebfm <strong>\u0111\u01b0\u1eddng k\u00ednh v\u00e0 chi\u1ec1u d\u00e0i<\/strong>.<\/li>\n<\/ul>\n<h3>Danh m\u1ee5c NBAEM<\/h3>\n<p>NBAEM cung c\u1ea5p h\u01a1n 100 bi\u1ebfn th\u1ec3 c\u1ee7a nam ch\u00e2m h\u00ecnh tr\u1ee5, \u0111\u1ea3m b\u1ea3o s\u1ef1 l\u1ef1a ch\u1ecdn \u0111a d\u1ea1ng. H\u1ecd c\u0169ng h\u1ed7 tr\u1ee3 <strong>m\u1eabu nhanh<\/strong> cho c\u00e1c nhu c\u1ea7u t\u00f9y ch\u1ec9nh, gi\u00fap d\u1ec5 d\u00e0ng t\u00ecm th\u1ea5y nam ch\u00e2m ph\u00f9 h\u1ee3p ho\u00e0n h\u1ea3o v\u1edbi d\u1ef1 \u00e1n c\u1ee7a b\u1ea1n.<\/p>\n<h2>C\u00e1c \u1ee9ng d\u1ee5ng th\u1ef1c t\u1ebf n\u01a1i nam ch\u00e2m h\u00ecnh tr\u1ee5 t\u1ecfa s\u00e1ng<\/h2>\n<p>Nam ch\u00e2m h\u00ecnh tr\u1ee5 r\u1ea5t linh ho\u1ea1t, \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong nhi\u1ec1u ng\u00e0nh c\u00f4ng nghi\u1ec7p \u1edf Vi\u1ec7t Nam v\u00e0 h\u01a1n th\u1ebf n\u1eefa. Trong c\u00e1c m\u00f4i tr\u01b0\u1eddng c\u00f4ng nghi\u1ec7p, ch\u00fang cung c\u1ea5p n\u0103ng l\u01b0\u1ee3ng cho \u0111\u1ed9ng c\u01a1 v\u00e0 m\u00e1y ph\u00e1t \u0111i\u1ec7n, t\u1ea1o c\u00e1c li\u00ean k\u1ebft t\u1eeb tr\u01b0\u1eddng hi\u1ec7u qu\u1ea3, v\u00e0 \u0111\u00f3ng vai tr\u00f2 quan tr\u1ecdng trong c\u1ea3m bi\u1ebfn, c\u00f4ng t\u1eafc reed v\u00e0 b\u01a1m. S\u1ee9c m\u1ea1nh t\u1eeb tr\u01b0\u1eddng m\u1ea1nh m\u1ebd v\u00e0 h\u00ecnh d\u1ea1ng nh\u1ecf g\u1ecdn c\u1ee7a ch\u00fang khi\u1ebfn ch\u00fang l\u00fd t\u01b0\u1edfng cho c\u00e1c \u1ee9ng d\u1ee5ng \u0111\u00f2i h\u1ecfi kh\u00f4ng gian v\u00e0 hi\u1ec7u su\u1ea5t cao.<\/p>\n<p>Trong l\u0129nh v\u1ef1c y t\u1ebf, nam ch\u00e2m h\u00ecnh tr\u1ee5 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong m\u00e1y MRI v\u00e0 c\u00e1c thi\u1ebft b\u1ecb gi\u1eef, nh\u1edd \u0111\u1ed9 tin c\u1eady v\u00e0 ki\u1ec3m so\u00e1t t\u1eeb tr\u01b0\u1eddng ch\u00ednh x\u00e1c c\u1ee7a ch\u00fang. Ng\u01b0\u1eddi ti\u00eau d\u00f9ng c\u0169ng h\u01b0\u1edfng l\u1ee3i t\u1eeb c\u00e1c nam ch\u00e2m n\u00e0y trong thi\u1ebft b\u1ecb \u00e2m thanh v\u00e0 c\u00e1c d\u1ef1 \u00e1n DIY kh\u00e1c nhau, n\u01a1i t\u1ef7 l\u1ec7 s\u1ee9c m\u1ea1nh so v\u1edbi k\u00edch th\u01b0\u1edbc l\u00e0 l\u1ee3i th\u1ebf th\u1ef1c s\u1ef1.<\/p>\n<p>V\u1edbi nhu c\u1ea7u ng\u00e0y c\u00e0ng t\u0103ng trong n\u0103ng l\u01b0\u1ee3ng t\u00e1i t\u1ea1o v\u00e0 \u0111i\u1ec7n t\u1eed, nam ch\u00e2m h\u00ecnh tr\u1ee5 \u0111ang tr\u1edf th\u00e0nh l\u1ef1a ch\u1ecdn ph\u1ed5 bi\u1ebfn trong c\u00e1c c\u00f4ng ngh\u1ec7 m\u1edbi v\u00e0 tri\u1ec3n l\u00e3m th\u1ee7 c\u00f4ng. V\u00ed d\u1ee5, NBAEM cung c\u1ea5p c\u00f4ng ngh\u1ec7 c\u1ea3m bi\u1ebfn t\u00f9y ch\u1ec9nh nh\u1ea5n m\u1ea1nh \u0111\u1ed9 b\u1ec1n v\u00e0 hi\u1ec7u su\u1ea5t \u1ed5n \u0111\u1ecbnh, h\u1ed7 tr\u1ee3 m\u1ecdi th\u1ee9 t\u1eeb nhu c\u1ea7u c\u00f4ng nghi\u1ec7p \u0111\u1ebfn c\u00e1c gi\u1ea3i ph\u00e1p n\u0103ng l\u01b0\u1ee3ng xanh s\u00e1ng t\u1ea1o.<\/p>\n<p>Kh\u00e1m ph\u00e1 th\u00eam v\u1ec1 c\u00e1c t\u00f9y ch\u1ecdn c\u1ea3m bi\u1ebfn ti\u00ean ti\u1ebfn v\u00e0 \u1ee9ng d\u1ee5ng nam ch\u00e2m v\u1edbi c\u00e1c gi\u1ea3i ph\u00e1p t\u00f9y ch\u1ec9nh c\u1ee7a NBAEM, \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1ec3 \u0111\u00e1p \u1ee9ng ti\u00eau chu\u1ea9n th\u1ecb tr\u01b0\u1eddng to\u00e0n c\u1ea7u v\u00e0 mong \u0111\u1ee3i v\u1ec1 \u0111\u1ed9 tin c\u1eady.<\/p>\n<h2>\u01afu \u0111i\u1ec3m, h\u1ea1n ch\u1ebf v\u00e0 m\u1eb9o s\u1eed d\u1ee5ng nam ch\u00e2m h\u00ecnh tr\u1ee5<\/h2>\n<p>Nam ch\u00e2m h\u00ecnh tr\u1ee5 mang l\u1ea1i m\u1ed9t s\u1ed1 l\u1ee3i th\u1ebf r\u00f5 r\u00e0ng khi\u1ebfn ch\u00fang ph\u1ed5 bi\u1ebfn trong nhi\u1ec1u ng\u00e0nh c\u00f4ng nghi\u1ec7p v\u00e0 d\u1ef1 \u00e1n DIY:<\/p>\n<ul>\n<li><strong>L\u1ef1c t\u1eeb m\u1ea1nh m\u1ebd so v\u1edbi k\u00edch th\u01b0\u1edbc c\u1ee7a ch\u00fang<\/strong>: Nam ch\u00e2m thanh s\u1eaft neodymium, \u0111\u1eb7c bi\u1ec7t c\u00e1c lo\u1ea1i nh\u01b0 N35 \u0111\u1ebfn N52, ch\u1ee9a tr\u01b0\u1eddng t\u1eeb m\u1ea1nh trong h\u00ecnh d\u1ea1ng h\u00ecnh tr\u1ee5 nh\u1ecf g\u1ecdn.<\/li>\n<li><strong>H\u00ecnh d\u1ea1ng tr\u01b0\u1eddng \u0111a d\u1ea1ng<\/strong>: S\u1ef1 t\u1eeb h\u00f3a tr\u1ee5c c\u1ee7a ch\u00fang cung c\u1ea5p kh\u1ea3 n\u0103ng ti\u1ebfp c\u1eadn t\u1eeb tr\u01b0\u1eddng t\u1eadp trung, ph\u00f9 h\u1ee3p cho c\u1ea3m bi\u1ebfn, \u0111\u1ed9ng c\u01a1 ho\u1eb7c thi\u1ebft b\u1ecb gi\u1eef ch\u1eb7t.<\/li>\n<li><strong>Hi\u1ec7u qu\u1ea3 v\u1ec1 chi ph\u00ed<\/strong>: So v\u1edbi c\u00e1c h\u00ecnh d\u1ea1ng t\u00f9y ch\u1ec9nh, nam ch\u00e2m h\u00ecnh tr\u1ee5 ti\u00eau chu\u1ea9n ti\u1ebft ki\u1ec7m chi ph\u00ed h\u01a1n trong s\u1ea3n xu\u1ea5t trong khi v\u1eabn \u0111\u1ea3m b\u1ea3o hi\u1ec7u su\u1ea5t \u0111\u00e1ng tin c\u1eady.<\/li>\n<li><strong>\u0110\u1ed9 b\u1ec1n v\u1edbi l\u1edbp ph\u1ee7<\/strong>: L\u1edbp ph\u1ee7 ch\u1ed1ng \u0103n m\u00f2n nh\u01b0 nickel ho\u1eb7c epoxy k\u00e9o d\u00e0i tu\u1ed5i th\u1ecd c\u1ee7a ch\u00fang, \u0111\u1eb7c bi\u1ec7t trong m\u00f4i tr\u01b0\u1eddng \u1ea9m \u01b0\u1edbt ho\u1eb7c c\u00f4ng nghi\u1ec7p.<\/li>\n<\/ul>\n<p>Tuy nhi\u00ean, ch\u00fang \u0111i k\u00e8m v\u1edbi m\u1ed9t s\u1ed1 h\u1ea1n ch\u1ebf c\u1ea7n l\u01b0u \u00fd:<\/p>\n<ul>\n<li><strong>\u0110\u1ed9 gi\u00f2n<\/strong>: Nh\u1eefng nam ch\u00e2m h\u00ecnh tr\u1ee5 \u0111\u1ea5t hi\u1ebfm n\u00e0y c\u1ee9ng nh\u01b0ng d\u1ec5 v\u1ee1, ngh\u0129a l\u00e0 ch\u00fang c\u00f3 th\u1ec3 b\u1ecb s\u1ee9t m\u1ebb ho\u1eb7c n\u1ee9t n\u1ebfu b\u1ecb r\u01a1i ho\u1eb7c x\u1eed l\u00fd kh\u00f4ng c\u1ea9n th\u1eadn.<\/li>\n<li><strong>Nh\u1ea1y c\u1ea3m v\u1edbi nhi\u1ec7t \u0111\u1ed9<\/strong>: N\u1ebfu kh\u00f4ng c\u00f3 c\u00e1c lo\u1ea1i cao nhi\u1ec7t \u0111\u1eb7c bi\u1ec7t ho\u1eb7c l\u1edbp ph\u1ee7 ph\u00f9 h\u1ee3p, t\u1eeb t\u00ednh c\u1ee7a ch\u00fang c\u00f3 th\u1ec3 y\u1ebfu \u0111i khi nhi\u1ec7t \u0111\u1ed9 v\u01b0\u1ee3t qu\u00e1 m\u1ee9c nh\u1ea5t \u0111\u1ecbnh (th\u01b0\u1eddng kho\u1ea3ng 80\u00b0C tr\u1eeb khi c\u00f3 ghi ch\u00fa kh\u00e1c).<\/li>\n<li><strong>Nguy c\u01a1 \u0103n m\u00f2n<\/strong>: Nam ch\u00e2m neodymium ph\u01a1i nhi\u1ec5m s\u1ebd nhanh ch\u00f3ng b\u1ecb g\u1ec9 n\u1ebfu kh\u00f4ng \u0111\u01b0\u1ee3c m\u1ea1 l\u1edbp ph\u1ee7, v\u00ec v\u1eady l\u1edbp ph\u1ee7 l\u00e0 c\u1ea7n thi\u1ebft \u0111\u1ec3 k\u00e9o d\u00e0i tu\u1ed5i th\u1ecd.<\/li>\n<\/ul>\n<h3>M\u1eb9o x\u1eed l\u00fd v\u00e0 l\u01b0u tr\u1eef<\/h3>\n<ul>\n<li>Gi\u1eef nam ch\u00e2m tr\u00e1nh xa c\u00e1c thi\u1ebft b\u1ecb \u0111i\u1ec7n t\u1eed v\u00e0 l\u01b0u tr\u1eef d\u1eef li\u1ec7u t\u1eeb t\u00ednh \u0111\u1ec3 tr\u00e1nh h\u01b0 h\u1ecfng.<\/li>\n<li>L\u01b0u tr\u1eef ch\u00fang ri\u00eang bi\u1ec7t ho\u1eb7c c\u00f3 kho\u1ea3ng c\u00e1ch \u0111\u1ec3 tr\u00e1nh va ch\u1ea1m \u0111\u1ed9t ng\u1ed9t, c\u00f3 th\u1ec3 g\u00e2y s\u1ee9t m\u1ebb.<\/li>\n<li>S\u1eed d\u1ee5ng g\u0103ng tay b\u1ea3o v\u1ec7 ho\u1eb7c d\u1ee5ng c\u1ee5 \u0111\u1ec3 x\u1eed l\u00fd c\u00e1c nam ch\u00e2m l\u1edbn m\u1ed9t c\u00e1ch an to\u00e0n.<\/li>\n<li>Lu\u00f4n t\u1eeb h\u00f3a c\u1ea9n th\u1eadn\u2014vi\u1ec7c t\u1eeb h\u00f3a ho\u1eb7c m\u1ea5t t\u1eeb nhanh c\u00f3 th\u1ec3 g\u00e2y ra n\u1ee9t v\u1ee1.<\/li>\n<\/ul>\n<p>NBAEM cung c\u1ea5p nam ch\u00e2m h\u00ecnh tr\u1ee5 c\u00f3 l\u1edbp ph\u1ee7 ch\u1ed1ng \u0103n m\u00f2n v\u00e0 ho\u1ea1t \u0111\u1ed9ng \u1edf nhi\u1ec7t \u0111\u1ed9 cao h\u01a1n, gi\u00fap b\u1ea1n tr\u00e1nh c\u00e1c r\u1ee7i ro ph\u1ed5 bi\u1ebfn. C\u00e1c nam ch\u00e2m thanh neodymium t\u00f9y ch\u1ec9nh ch\u1ecbu nhi\u1ec7t cao c\u1ee7a h\u1ecd cung c\u1ea5p \u0111\u1ed9 \u1ed5n \u0111\u1ecbnh h\u01a1n cho c\u00e1c \u1ee9ng d\u1ee5ng \u0111\u00f2i h\u1ecfi m\u00e0 kh\u00f4ng l\u00e0m gi\u1ea3m l\u1ef1c h\u00fat ho\u1eb7c \u0111\u1ed9 b\u1ec1n.<\/p>\n<p>\u0110\u1ec3 bi\u1ebft th\u00eam v\u1ec1 c\u00e1c lo\u1ea1i nam ch\u00e2m v\u00e0 \u0111\u1ed9 b\u1ec1n c\u1ee7a v\u1eadt li\u1ec7u, h\u00e3y xem <span style=\"color: #ff6600;\"><strong><a style=\"color: #ff6600;\" href=\"https:\/\/nbaem.com\/vi\/neodymium-magnets-vs-ceramic-magnets\/\" target=\"_blank\" rel=\"noopener\">Nam ch\u00e2m Neodymium so v\u1edbi Nam ch\u00e2m Ceramic<\/a> <\/strong><\/span>v\u00e0 hi\u1ec3u c\u00e1ch<strong><span style=\"color: #ff6600;\"> <a style=\"color: #ff6600;\" href=\"https:\/\/nbaem.com\/vi\/magnetic-anisotropy\/\" target=\"_blank\" rel=\"noopener\">\u0110\u1ed9 d\u1ecb h\u01b0\u1edbng t\u1eeb tr\u01b0\u1eddng<\/a><\/span><\/strong> \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn hi\u1ec7u su\u1ea5t.<\/p>","protected":false},"excerpt":{"rendered":"<p>Kh\u00e1m ph\u00e1 xem nam ch\u00e2m h\u00ecnh tr\u1ee5 l\u00e0 g\u00ec v\u00e0 c\u00e1ch nam ch\u00e2m thanh nam ch\u00e2m neodymium mang l\u1ea1i l\u1ef1c t\u1eeb m\u1ea1nh cho c\u00e1c \u1ee9ng d\u1ee5ng c\u00f4ng nghi\u1ec7p v\u00e0 t\u1ef1 ch\u1ebf.<\/p>","protected":false},"author":1,"featured_media":3172,"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-3174","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\/Cylinder_Magnet_Types_and_Selection_Guide_72Sp9a9X.webp","_links":{"self":[{"href":"https:\/\/nbaem.com\/vi\/wp-json\/wp\/v2\/posts\/3174","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=3174"}],"version-history":[{"count":1,"href":"https:\/\/nbaem.com\/vi\/wp-json\/wp\/v2\/posts\/3174\/revisions"}],"predecessor-version":[{"id":3175,"href":"https:\/\/nbaem.com\/vi\/wp-json\/wp\/v2\/posts\/3174\/revisions\/3175"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/nbaem.com\/vi\/wp-json\/wp\/v2\/media\/3172"}],"wp:attachment":[{"href":"https:\/\/nbaem.com\/vi\/wp-json\/wp\/v2\/media?parent=3174"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/nbaem.com\/vi\/wp-json\/wp\/v2\/categories?post=3174"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/nbaem.com\/vi\/wp-json\/wp\/v2\/tags?post=3174"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}