{"id":3090,"date":"2025-09-28T01:50:03","date_gmt":"2025-09-28T01:50:03","guid":{"rendered":"https:\/\/nbaem.com\/?p=3090"},"modified":"2025-09-28T03:44:04","modified_gmt":"2025-09-28T03:44:04","slug":"what-is-a-magnet-pot","status":"publish","type":"post","link":"https:\/\/nbaem.com\/vi\/what-is-a-magnet-pot\/","title":{"rendered":"L\u00e0 g\u00ec m\u1ed9t n\u1ed3i nam ch\u00e2m"},"content":{"rendered":"<h2>N\u1ed3i nam ch\u00e2m l\u00e0 g\u00ec ch\u00ednh x\u00e1c<\/h2>\n<p><img decoding=\"async\" class=\"\" src=\"https:\/\/nbaem.com\/wp-content\/uploads\/2025\/09\/Pot_Magnet_Magnetic_Circuit_Flux_Diagram_Y1OUj6mT1.webp\" alt=\"S\u01a1 \u0111\u1ed3 M\u1ea1ch t\u1eeb c\u1ee7a Nam ch\u00e2m Pot\" width=\"918\" height=\"342\" \/><\/p>\n<div id=\"attachment_3088\" style=\"width: 310px\" class=\"wp-caption alignnone\"><img decoding=\"async\" aria-describedby=\"caption-attachment-3088\" class=\"size-medium wp-image-3088\" src=\"https:\/\/nbaem.com\/wp-content\/uploads\/2025\/09\/Pot_Magnet_Magnetic_Circuit_Flux_Diagram_Y1OUj6mT1-300x112.webp\" alt=\"N\u1ed3i nam ch\u00e2m\" width=\"300\" height=\"112\" srcset=\"https:\/\/nbaem.com\/wp-content\/uploads\/2025\/09\/Pot_Magnet_Magnetic_Circuit_Flux_Diagram_Y1OUj6mT1-18x7.webp 18w, https:\/\/nbaem.com\/wp-content\/uploads\/2025\/09\/Pot_Magnet_Magnetic_Circuit_Flux_Diagram_Y1OUj6mT1-200x74.webp 200w, https:\/\/nbaem.com\/wp-content\/uploads\/2025\/09\/Pot_Magnet_Magnetic_Circuit_Flux_Diagram_Y1OUj6mT1-300x112.webp 300w, https:\/\/nbaem.com\/wp-content\/uploads\/2025\/09\/Pot_Magnet_Magnetic_Circuit_Flux_Diagram_Y1OUj6mT1-400x149.webp 400w, https:\/\/nbaem.com\/wp-content\/uploads\/2025\/09\/Pot_Magnet_Magnetic_Circuit_Flux_Diagram_Y1OUj6mT1-600x223.webp 600w, https:\/\/nbaem.com\/wp-content\/uploads\/2025\/09\/Pot_Magnet_Magnetic_Circuit_Flux_Diagram_Y1OUj6mT1-768x286.webp 768w, https:\/\/nbaem.com\/wp-content\/uploads\/2025\/09\/Pot_Magnet_Magnetic_Circuit_Flux_Diagram_Y1OUj6mT1-800x298.webp 800w, https:\/\/nbaem.com\/wp-content\/uploads\/2025\/09\/Pot_Magnet_Magnetic_Circuit_Flux_Diagram_Y1OUj6mT1-1024x381.webp 1024w, https:\/\/nbaem.com\/wp-content\/uploads\/2025\/09\/Pot_Magnet_Magnetic_Circuit_Flux_Diagram_Y1OUj6mT1-1200x447.webp 1200w, https:\/\/nbaem.com\/wp-content\/uploads\/2025\/09\/Pot_Magnet_Magnetic_Circuit_Flux_Diagram_Y1OUj6mT1.webp 1300w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><p id=\"caption-attachment-3088\" class=\"wp-caption-text\">N\u1ed3i nam ch\u00e2m<\/p><\/div>\n<p>N\u1ed3i nam ch\u00e2m l\u00e0 m\u1ed9t lo\u1ea1i nam ch\u00e2m v\u0129nh c\u1eedu, th\u01b0\u1eddng \u0111\u01b0\u1ee3c l\u00e0m t\u1eeb neodymium (NdFeB), \u0111\u01b0\u1ee3c bao b\u1ecdc ho\u00e0n to\u00e0n trong v\u1ecf th\u00e9p. \"N\u1ed3i\" th\u00e9p n\u00e0y \u0111\u1ecbnh h\u00ecnh v\u00e0 t\u1eadp trung tr\u01b0\u1eddng t\u1eeb, t\u1ea1o ra l\u1ef1c t\u1eeb t\u1eadp trung cao tr\u00ean m\u1ed9t b\u1ec1 m\u1eb7t ph\u1eb3ng. Thi\u1ebft k\u1ebf n\u00e0y kh\u00f4ng ch\u1ec9 b\u1ea3o v\u1ec7 nam ch\u00e2m kh\u1ecfi h\u01b0 h\u1ea1i m\u00e0 c\u00f2n d\u1eabn h\u01b0\u1edbng t\u1eeb th\u00f4ng \u0111\u1ec3 t\u1ea1o l\u1ef1c gi\u1eef m\u1ea1nh m\u1ebd v\u00e0 \u0111\u00e1ng tin c\u1eady tr\u00ean c\u00e1c v\u1eadt li\u1ec7u ferrous.<\/p>\n<h3>C\u00e1ch x\u00e2y d\u1ef1ng m\u1ed9t n\u1ed3i nam ch\u00e2m<\/h3>\n<p>H\u00e3y t\u01b0\u1edfng t\u01b0\u1ee3ng m\u1ed9t nam ch\u00e2m NdFeB m\u1ea1nh n\u1eb1m b\u00ean trong m\u1ed9t chi\u1ebfc c\u1ed1c th\u00e9p. Th\u00e9p ho\u1ea1t \u0111\u1ed9ng nh\u01b0 m\u1ed9t m\u1ea1ch t\u1eeb, h\u01b0\u1edbng c\u00e1c \u0111\u01b0\u1eddng l\u1ef1c t\u1eeb sao cho l\u1ef1c ch\u1ee7 y\u1ebfu t\u1eadp trung v\u00e0o m\u1eb7t ti\u1ebfp x\u00fac c\u1ee7a nam ch\u00e2m. D\u00f2ng t\u1eeb t\u1eadp trung n\u00e0y gi\u00fap n\u1ed3i nam ch\u00e2m c\u00f3 th\u1ec3 gi\u1eef v\u1eadt th\u1ec3 ch\u1eafc ch\u1eafn h\u01a1n nhi\u1ec1u so v\u1edbi nam ch\u00e2m kh\u00f4ng c\u00f3 v\u1ecf th\u00e9p n\u00e0y.<\/p>\n<p><em>G\u1ee3i \u00fd h\u00ecnh \u1ea3nh: Bao g\u1ed3m m\u1ed9t s\u01a1 \u0111\u1ed3 \u0111\u01a1n gi\u1ea3n cho th\u1ea5y m\u1ed9t nam ch\u00e2m tr\u00f2n NdFeB b\u00ean trong n\u1ed3i th\u00e9p, v\u1edbi c\u00e1c \u0111\u01b0\u1eddng l\u1ef1c t\u1eeb t\u1eadp trung t\u1ea1i m\u1eb7t ti\u1ebfp x\u00fac.<\/em><\/p>\n<h3>Th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt ch\u00ednh v\u00e0 v\u00ed d\u1ee5 v\u1ec1 l\u1ef1c k\u00e9o<\/h3>\n<p>N\u1ed3i nam ch\u00e2m c\u00f3 nhi\u1ec1u k\u00edch th\u01b0\u1edbc kh\u00e1c nhau, nh\u01b0ng \u0111\u00e2y l\u00e0 c\u00e1i nh\u00ecn nhanh v\u1ec1 c\u00e1c th\u00f4ng s\u1ed1 \u0111i\u1ec3n h\u00ecnh cho m\u1ed9t m\u1eabu ph\u1ed5 bi\u1ebfn:<\/p>\n<table>\n<thead>\n<tr>\n<th>\u0110\u01b0\u1eddng k\u00ednh (inch)<\/th>\n<th>L\u1ef1c k\u00e9o (lbs)<\/th>\n<th>Chi\u1ec1u cao (inch)<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>1.26<\/td>\n<td>66<\/td>\n<td>0.43<\/td>\n<\/tr>\n<tr>\n<td>1.77<\/td>\n<td>132<\/td>\n<td>0.55<\/td>\n<\/tr>\n<tr>\n<td>2.36<\/td>\n<td>185<\/td>\n<td>0.63<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>V\u00ed d\u1ee5, m\u1ed9t n\u1ed3i nam ch\u00e2m \u0111\u01b0\u1eddng k\u00ednh 1,26 inch c\u00f3 th\u1ec3 gi\u1eef \u0111\u01b0\u1ee3c t\u1edbi 66 pound trong \u0111i\u1ec1u ki\u1ec7n l\u00fd t\u01b0\u1edfng.<\/p>\n<h3>T\u1ea1i sao n\u1ed3i nam ch\u00e2m v\u01b0\u1ee3t tr\u1ed9i h\u01a1n nam ch\u00e2m \u0111\u0129a<\/h3>\n<h2>N\u1ed3i nam ch\u00e2m ho\u1ea1t \u0111\u1ed9ng nh\u01b0 th\u1ebf n\u00e0o - Khoa h\u1ecdc \u0111\u1eb1ng sau s\u1ee9c m\u1ea1nh<\/h2>\n<p>N\u1ed3i nam ch\u00e2m l\u1ea5y s\u1ee9c m\u1ea1nh t\u1eeb thi\u1ebft k\u1ebf m\u1ea1ch t\u1eeb th\u00f4ng minh. B\u00ean trong v\u1ecf th\u00e9p \u2014 \"n\u1ed3i\" \u2014 t\u1eeb th\u00f4ng \u0111\u01b0\u1ee3c chuy\u1ec3n h\u01b0\u1edbng v\u00e0 t\u1eadp trung v\u00e0o b\u1ec1 m\u1eb7t ti\u1ebfp x\u00fac. V\u1ecf th\u00e9p n\u00e0y thu h\u1eb9p kho\u1ea3ng kh\u00f4ng kh\u00ed gi\u1eefa nam ch\u00e2m v\u00e0 kim lo\u1ea1i m\u00e0 n\u00f3 b\u00e1m v\u00e0o, t\u1ed1i \u0111a h\u00f3a l\u1ef1c k\u00e9o tr\u00ean c\u00e1c v\u1eadt li\u1ec7u ferrous nh\u01b0 th\u00e9p.<\/p>\n<p>C\u00f3 nhi\u1ec1u y\u1ebfu t\u1ed1 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn hi\u1ec7u su\u1ea5t c\u1ee7a n\u1ed3i nam ch\u00e2m:<\/p>\n<ul>\n<li><strong>Ti\u1ebfp x\u00fac b\u1ec1 m\u1eb7t<\/strong>: Ti\u1ebfp x\u00fac ph\u1eb3ng v\u00e0 \u0111\u1ea7y \u0111\u1ee7 \u0111\u1ea3m b\u1ea3o l\u1ef1c gi\u1eef t\u1ed1t nh\u1ea5t. B\u1ec1 m\u1eb7t kh\u00f4ng \u0111\u1ec1u ho\u1eb7c ti\u1ebfp x\u00fac m\u1ed9t ph\u1ea7n l\u00e0m gi\u1ea3m l\u1ef1c gi\u1eef.<\/li>\n<li><strong>\u0110\u1ed9 d\u00e0y v\u1eadt li\u1ec7u<\/strong>: V\u1eadt li\u1ec7u ferrous d\u00e0y h\u01a1n cung c\u1ea5p l\u1ef1c gi\u1eef t\u1eeb m\u1ea1nh h\u01a1n.<\/li>\n<li><strong>Gi\u1edbi h\u1ea1n nhi\u1ec7t \u0111\u1ed9<\/strong>: Nam ch\u00e2m NdFeB th\u01b0\u1eddng ho\u1ea1t \u0111\u1ed9ng \u1ed5n \u0111\u1ecbnh \u0111\u1ebfn kho\u1ea3ng 80\u00b0C tr\u01b0\u1edbc khi l\u1ef1c t\u1eeb gi\u1ea3m.<\/li>\n<\/ul>\n<p>M\u1ed9t quan ni\u1ec7m sai l\u1ea7m ph\u1ed5 bi\u1ebfn l\u00e0 nam ch\u00e2m pot h\u00fat nhau r\u1ea5t m\u1ea1nh. Th\u1ef1c t\u1ebf, ch\u00fang hi\u1ebfm khi h\u00fat nhau v\u00ec v\u1ecf th\u00e9p h\u01b0\u1edbng tr\u01b0\u1eddng t\u1eeb ra ngo\u00e0i. \u0110i\u1ec1u n\u00e0y l\u00e0m cho ch\u00fang l\u00fd t\u01b0\u1edfng \u0111\u1ec3 gi\u1eef m\u1ed9t m\u1eb7t khi b\u1ea1n ch\u1ec9 c\u1ea7n m\u1ed9t m\u1eb7t d\u00ednh.<\/p>\n<p>(H\u00e3y t\u01b0\u1edfng t\u01b0\u1ee3ng m\u1ed9t minh h\u1ecda cho th\u1ea5y c\u00e1c \u0111\u01b0\u1eddng s\u1ee9c t\u1eeb t\u1eadp trung tr\u00ean b\u1ec1 m\u1eb7t ti\u1ebfp x\u00fac, ch\u1ea3y g\u1ecdn qua v\u1ecf th\u00e9p \u0111\u1ec3 gi\u1ea3i th\u00edch r\u00f5 r\u00e0ng \u0111i\u1ec1u n\u00e0y.)<\/p>\n<h2>C\u00e1c lo\u1ea1i Nam ch\u00e2m Pot L\u1ef1a ch\u1ecdn c\u1ea5u h\u00ecnh ph\u00f9 h\u1ee3p v\u1edbi nhu c\u1ea7u c\u1ee7a b\u1ea1n<\/h2>\n<p>Nam ch\u00e2m pot c\u00f3 nhi\u1ec1u h\u00ecnh d\u1ea1ng v\u00e0 ki\u1ec3u d\u00e1ng kh\u00e1c nhau \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1ec3 ph\u00f9 h\u1ee3p v\u1edbi c\u00e1c m\u1ee5c \u0111\u00edch s\u1eed d\u1ee5ng kh\u00e1c nhau. Thi\u1ebft k\u1ebf ch\u00ednh l\u00e0 pot n\u00f4ng v\u00e0 pot s\u00e2u, m\u1ed7i lo\u1ea1i cung c\u1ea5p m\u1ee9c \u0111\u1ed9 ch\u1ed1ng c\u1eaft kh\u00e1c nhau\u2014\u0111\u1ed1i v\u1edbi t\u1ea3i b\u00ean n\u1eb7ng h\u01a1n, pot s\u00e2u l\u00e0 l\u1ef1a ch\u1ecdn t\u1ed1t h\u01a1n.<\/p>\n<p>D\u01b0\u1edbi \u0111\u00e2y l\u00e0 t\u00f3m t\u1eaft nhanh c\u00e1c lo\u1ea1i nam ch\u00e2m pot ph\u1ed5 bi\u1ebfn v\u00e0 c\u00f4ng d\u1ee5ng t\u1ed1t nh\u1ea5t c\u1ee7a ch\u00fang:<\/p>\n<table>\n<thead>\n<tr>\n<th>Lo\u1ea1i<\/th>\n<th>Tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng<\/th>\n<th>\u01afu \u0111i\u1ec3m<\/th>\n<th>Nh\u01b0\u1ee3c \u0111i\u1ec3m<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>\u00c2m<\/td>\n<td>L\u1eafp ch\u00ecm (bi\u1ec3n hi\u1ec7u, b\u1ea3ng \u0111i\u1ec1u khi\u1ec3n)<\/td>\n<td>Ngo\u1ea1i h\u00ecnh g\u1ecdn g\u00e0ng, l\u1eafp \u0111\u1eb7t ch\u1eafc ch\u1eafn<\/td>\n<td>Gi\u1edbi h\u1ea1n \u0111\u1ed9 d\u00e0y b\u1ec1 m\u1eb7t<\/td>\n<\/tr>\n<tr>\n<td>\u0110inh v\u00edt ren<\/td>\n<td>M\u00e1y m\u00f3c, thi\u1ebft b\u1ecb c\u1ed1 \u0111\u1ecbnh (k\u00edch th\u01b0\u1edbc M6, M10)<\/td>\n<td>D\u1ec5 d\u00e0ng l\u1eafp \u0111\u1eb7t &amp; th\u00e1o r\u1eddi<\/td>\n<td>Y\u00eau c\u1ea7u k\u00edch th\u01b0\u1edbc ren ph\u00f9 h\u1ee3p<\/td>\n<\/tr>\n<tr>\n<td>M\u00f3c m\u1eaft<\/td>\n<td>Treo, treo t\u1ea3i<\/td>\n<td>Kh\u1ea3 n\u0103ng ch\u1ecbu t\u1ea3i m\u1ea1nh<\/td>\n<td>Thi\u1ebft k\u1ebf c\u1ed3ng k\u1ec1nh h\u01a1n<\/td>\n<\/tr>\n<tr>\n<td>B\u1ecdc cao su<\/td>\n<td>B\u1ec1 m\u1eb7t nh\u1ea1y c\u1ea3m ho\u1eb7c d\u1ec5 tr\u1ea7y x\u01b0\u1edbc<\/td>\n<td>B\u1ea3o v\u1ec7 b\u1ec1 m\u1eb7t, ch\u1ed1ng tr\u01b0\u1ee3t<\/td>\n<td>L\u1ef1c k\u00e9o gi\u1ea3m nh\u1eb9<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>L\u1ef1a ch\u1ecdn v\u1eadt li\u1ec7u c\u0169ng \u0111\u00f3ng vai tr\u00f2 l\u1edbn:<\/p>\n<ul>\n<li><a href=\"https:\/\/nbaem.com\/vi\/products\/pot-magnets\/\" target=\"_blank\" rel=\"noopener\"><span style=\"color: #ff6600;\"><strong>Ch\u1ea3o Nam ch\u00e2m NdFeB<\/strong><\/span><\/a>: \u0110\u00e2y l\u00e0 lo\u1ea1i m\u1ea1nh nh\u1ea5t, l\u00fd t\u01b0\u1edfng cho s\u1eed d\u1ee5ng c\u00f4ng nghi\u1ec7p n\u1eb7ng.<\/li>\n<li><strong>Ch\u1ea3o Nam ch\u00e2m Ferrite<\/strong>: Ti\u1ebft ki\u1ec7m chi ph\u00ed h\u01a1n v\u00e0 ch\u1ecbu nhi\u1ec7t t\u1ed1t h\u01a1n, nh\u01b0ng l\u1ef1c k\u00e9o \u00edt h\u01a1n.<\/li>\n<li><strong>Ch\u1ea3o Nam ch\u00e2m NdFeB t\u00f9y ch\u1ec9nh t\u1eeb NBAEM<\/strong>: Nh\u1eefng s\u1ea3n ph\u1ea9m n\u00e0y mang l\u1ea1i l\u1ef1c k\u00e9o cao h\u01a1n t\u1edbi 20% nh\u1edd c\u00f4ng ngh\u1ec7 s\u1ea3n xu\u1ea5t ti\u00ean ti\u1ebfn, l\u00e0 l\u1ef1a ch\u1ecdn tuy\u1ec7t v\u1eddi n\u1ebfu b\u1ea1n c\u1ea7n \u0111\u1ed9 b\u00e1m ch\u1eafc t\u1ed1t nh\u1ea5t.<\/li>\n<\/ul>\n<p>Ch\u1ecdn ch\u1ea3o nam ch\u00e2m ph\u00f9 h\u1ee3p ngh\u0129a l\u00e0 c\u00e2n b\u1eb1ng gi\u1eefa \u0111\u1ed9 m\u1ea1nh, ki\u1ec3u g\u1eafn v\u00e0 b\u1ea3o v\u1ec7 b\u1ec1 m\u1eb7t d\u1ef1a tr\u00ean \u1ee9ng d\u1ee5ng c\u1ee5 th\u1ec3 c\u1ee7a b\u1ea1n.<\/p>\n<h2>C\u00e1c \u1ee8ng d\u1ee5ng h\u00e0ng \u0111\u1ea7u n\u01a1i Ch\u1ea3o Nam ch\u00e2m t\u1ecfa s\u00e1ng trong c\u00e1c t\u00ecnh hu\u1ed1ng th\u1ef1c t\u1ebf<\/h2>\n<p>Ch\u1ea3o nam ch\u00e2m r\u1ea5t \u0111a d\u1ee5ng v\u00e0 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i trong nhi\u1ec1u ng\u00e0nh c\u00f4ng nghi\u1ec7p nh\u1edd l\u1ef1c gi\u1eef t\u1eeb m\u1ea1nh v\u00e0 v\u1ecf ch\u1ea3o th\u00e9p b\u1ec1n b\u1ec9.<\/p>\n<h3>\u1ee8ng d\u1ee5ng C\u00f4ng nghi\u1ec7p<\/h3>\n<p>G\u1eafn ch\u1eb7t trong c\u00e1c d\u00e2y chuy\u1ec1n h\u00e0n v\u00e0 l\u1eafp r\u00e1p<br \/>\n\u0110\u1ecbnh v\u1ecb c\u1ea3m bi\u1ebfn ch\u00ednh x\u00e1c trong h\u1ec7 th\u1ed1ng t\u1ef1 \u0111\u1ed9ng h\u00f3a<br \/>\nGi\u1eef ch\u1eb7t c\u00e1c thi\u1ebft b\u1ecb v\u00e0 d\u1ee5ng c\u1ee5 m\u1ed9t c\u00e1ch an to\u00e0n<\/p>\n<p>\u1ee8ng d\u1ee5ng th\u01b0\u01a1ng m\u1ea1i<\/p>\n<p>Tr\u01b0ng b\u00e0y b\u00e1n l\u1ebb cho c\u00e1c thi\u1ebft l\u1eadp s\u1ea3n ph\u1ea9m linh ho\u1ea1t<br \/>\nGi\u1eef ch\u1eb7t c\u00e1c thi\u1ebft b\u1ecb \u00f4 t\u00f4 \u0111\u1ec3 s\u1eeda ch\u1eefa v\u00e0 l\u1eafp r\u00e1p<\/p>\n<p>S\u1eed d\u1ee5ng DIY v\u00e0 t\u1ea1i nh\u00e0<\/p>\n<p>T\u1ed5 ch\u1ee9c d\u1ee5ng c\u1ee5 trong x\u01b0\u1edfng ho\u1eb7c gara<br \/>\nTreo b\u0103ng r\u00f4n v\u00e0 bi\u1ec3n hi\u1ec7u d\u1ec5 d\u00e0ng m\u00e0 kh\u00f4ng c\u1ea7n khoan<\/p>\n<p>N\u1ed5i b\u1eadt nghi\u00ean c\u1ee9u tr\u01b0\u1eddng h\u1ee3p<\/p>\n<p>M\u1ed9t nh\u00e0 m\u00e1y \u1edf Th\u00e2m Quy\u1ebfn \u0111\u00e3 t\u0103ng hi\u1ec7u qu\u1ea3 quy tr\u00ecnh l\u00e0m vi\u1ec7c l\u00ean 30% sau khi chuy\u1ec3n sang s\u1eed d\u1ee5ng nam ch\u00e2m NdFeB d\u1ea1ng ch\u1eadu t\u00f9y ch\u1ec9nh c\u1ee7a NBAEM. Nh\u1edd l\u1ef1c h\u00fat m\u1ea1nh h\u01a1n v\u00e0 c\u1ea5u t\u1ea1o \u0111\u00e1ng tin c\u1eady, ho\u1ea1t \u0111\u1ed9ng tr\u1edf n\u00ean tr\u01a1n tru v\u00e0 \u1ed5n \u0111\u1ecbnh h\u01a1n.<\/p>\n<p><strong>C\u00e1c \u1ee9ng d\u1ee5ng m\u1edbi n\u1ed5i<\/strong><\/p>\n<ul>\n<li>C\u00e1c h\u1ec7 th\u1ed1ng n\u0103ng l\u01b0\u1ee3ng t\u00e1i t\u1ea1o nh\u01b0 gi\u00e1 \u0111\u1ee1 t\u1ea5m pin m\u1eb7t tr\u1eddi<\/li>\n<li>Gi\u1ea3i ph\u00e1p c\u1ed1 \u0111\u1ecbnh trong thi\u1ebft b\u1ecb y t\u1ebf n\u01a1i c\u1ea7n gi\u1eef ch\u1eafc nh\u01b0ng c\u00f3 th\u1ec3 th\u00e1o r\u1eddi d\u1ec5 d\u00e0ng<\/li>\n<\/ul>\n<p>Thi\u1ebft k\u1ebf \u0111\u1ed9c \u0111\u00e1o c\u1ee7a nam ch\u00e2m d\u1ea1ng ch\u1eadu l\u00e0m cho ch\u00fang ho\u00e0n h\u1ea3o cho c\u00e1c \u1ee9ng d\u1ee5ng c\u1ea7n l\u1ef1c h\u00fat t\u1eeb m\u1ea1nh, t\u1eadp trung \u0111\u1ed3ng th\u1eddi b\u1ea3o v\u1ec7 nam ch\u00e2m kh\u1ecfi h\u01b0 h\u1ea1i. \u0110\u00e2y l\u00e0 l\u00fd do ch\u00fang tr\u1edf th\u00e0nh l\u1ef1a ch\u1ecdn ph\u1ed5 bi\u1ebfn cho c\u1ea3 nhu c\u1ea7u c\u00f4ng nghi\u1ec7p v\u00e0 h\u00e0ng ng\u00e0y t\u1ea1i Vi\u1ec7t Nam.<\/p>\n<h2>\u01afu \u0111i\u1ec3m v\u00e0 h\u1ea1n ch\u1ebf Nam ch\u00e2m d\u1ea1ng ch\u1eadu c\u00f3 ph\u00f9 h\u1ee3p v\u1edbi b\u1ea1n kh\u00f4ng<\/h2>\n<p>Nam ch\u00e2m d\u1ea1ng ch\u1eadu mang l\u1ea1i nhi\u1ec1u l\u1ee3i \u00edch, \u0111\u1eb7c bi\u1ec7t cho c\u00e1c \u1ee9ng d\u1ee5ng c\u00f4ng nghi\u1ec7p v\u00e0 t\u1ef1 l\u00e0m t\u1ea1i Vi\u1ec7t Nam. D\u01b0\u1edbi \u0111\u00e2y l\u00e0 c\u00e1i nh\u00ecn nhanh v\u1ec1 \u01b0u v\u00e0 nh\u01b0\u1ee3c \u0111i\u1ec3m gi\u00fap b\u1ea1n quy\u1ebft \u0111\u1ecbnh xem ch\u00fang c\u00f3 ph\u00f9 h\u1ee3p v\u1edbi nhu c\u1ea7u c\u1ee7a b\u1ea1n kh\u00f4ng.<\/p>\n<h3>\u01afu \u0111i\u1ec3m<\/h3>\n<ul>\n<li><strong>G\u1ecdn nh\u1eb9 v\u00e0 b\u1ec1n b\u1ec9<\/strong>: V\u1ecf th\u00e9p b\u1ea3o v\u1ec7 nam ch\u00e2m neodymium b\u00ean trong kh\u1ecfi h\u01b0 h\u1ea1i v\u00e0 v\u1ee1 m\u1ebb.<\/li>\n<li><strong>L\u1ef1c h\u00fat m\u1ea1nh h\u01a1n<\/strong>: Th\u01b0\u1eddng m\u1ea1nh g\u1ea5p 2 \u0111\u1ebfn 5 l\u1ea7n so v\u1edbi nam ch\u00e2m \u0111\u0129a c\u00f9ng k\u00edch th\u01b0\u1edbc.<\/li>\n<li><strong>Ti\u1ebft ki\u1ec7m chi ph\u00ed<\/strong>: Cung c\u1ea5p l\u1ef1c gi\u1eef t\u1eeb tuy\u1ec7t v\u1eddi v\u1edbi gi\u00e1 th\u00e0nh h\u1ee3p l\u00fd, l\u00e0 l\u1ef1a ch\u1ecdn c\u00f3 gi\u00e1 tr\u1ecb t\u1ed1t.<\/li>\n<li><strong>Tr\u01b0\u1eddng t\u1eeb \u0111\u01b0\u1ee3c che ch\u1eafn<\/strong>: V\u1ecf th\u00e9p d\u1eabn h\u01b0\u1edbng t\u1eeb th\u00f4ng, gi\u1ea3m c\u00e1c tr\u01b0\u1eddng t\u1eeb r\u00f2 r\u1ec9 c\u00f3 th\u1ec3 g\u00e2y nhi\u1ec5u thi\u1ebft b\u1ecb \u0111i\u1ec7n t\u1eed ho\u1eb7c d\u1ee5ng c\u1ee5 g\u1ea7n \u0111\u00f3.<\/li>\n<\/ul>\n<h3>H\u1ea1n ch\u1ebf<\/h3>\n<ul>\n<li><strong>Gi\u1ea3m l\u1ef1c tr\u00ean b\u1ec1 m\u1eb7t kh\u00f4ng t\u1eeb t\u00ednh<\/strong>: Nam ch\u00e2m d\u1ea1ng ch\u1eadu ch\u1ec9 h\u00fat kim lo\u1ea1i ferrous (th\u00e9p, s\u1eaft). Kh\u00f4ng h\u00fat nh\u00f4m, \u0111\u1ed3ng ho\u1eb7c nh\u1ef1a.<\/li>\n<li><strong>Nh\u1ea1y c\u1ea3m v\u1edbi nhi\u1ec7t \u0111\u1ed9<\/strong>: H\u1ea7u h\u1ebft nam ch\u00e2m d\u1ea1ng ch\u1eadu d\u1ef1a tr\u00ean neodymium ho\u1ea1t \u0111\u1ed9ng t\u1ed1t nh\u1ea5t \u1edf nhi\u1ec7t \u0111\u1ed9 l\u00ean \u0111\u1ebfn 80\u00b0C. Nhi\u1ec7t \u0111\u1ed9 cao h\u01a1n c\u00f3 th\u1ec3 l\u00e0m gi\u1ea3m t\u1eeb t\u00ednh.<\/li>\n<li><strong>L\u1ef1c h\u00fat t\u1eeb m\u1ed9t m\u1eb7t<\/strong>Nam ch\u00e2m pot kh\u00f4ng h\u00fat nhau t\u1ed1t, v\u00ec v\u1eady ch\u00fang kh\u00f4ng ph\u00f9 h\u1ee3p cho c\u00e1c \u1ee9ng d\u1ee5ng c\u1ea7n gi\u1eef ch\u1eb7t l\u1eabn nhau.<\/li>\n<\/ul>\n<h3>B\u1ea3ng so s\u00e1nh Nam ch\u00e2m pot so v\u1edbi Nam ch\u00e2m \u0111\u0129a v\u00e0 Nam ch\u00e2m \u0111i\u1ec7n<\/h3>\n<table>\n<thead>\n<tr>\n<th>\u0110\u1eb7c \u0111i\u1ec3m<\/th>\n<th>Nam ch\u00e2m pot<\/th>\n<th>Nam ch\u00e2m \u0111\u0129a<\/th>\n<th>T\u1eeb tr\u01b0\u1eddng<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>L\u1ef1c k\u00e9o<\/td>\n<td>C\u01b0\u1eddng \u0111\u1ed9 cao (t\u1eeb tr\u01b0\u1eddng t\u1eadp trung)<\/td>\n<td>V\u1eeba ph\u1ea3i<\/td>\n<td>\u0110i\u1ec1u ch\u1ec9nh \u0111\u01b0\u1ee3c\/cao<\/td>\n<\/tr>\n<tr>\n<td>\u0110\u1ed9 b\u1ec1n<\/td>\n<td>C\u01b0\u1eddng \u0111\u1ed9 cao (v\u1ecf th\u00e9p)<\/td>\n<td>Th\u1ea5p h\u01a1n (l\u1ed9 ra ngo\u00e0i)<\/td>\n<td>V\u1eeba ph\u1ea3i (m\u00e0i m\u00f2n \u0111i\u1ec7n)<\/td>\n<\/tr>\n<tr>\n<td>Chi ph\u00ed tr\u00ean m\u1ed7i pound k\u00e9o<\/td>\n<td>Th\u1ea5p<\/td>\n<td>V\u1eeba ph\u1ea3i<\/td>\n<td>Cao<\/td>\n<\/tr>\n<tr>\n<td>Gi\u1edbi h\u1ea1n nhi\u1ec7t \u0111\u1ed9<\/td>\n<td>Kho\u1ea3ng 80\u00b0C<\/td>\n<td>Bi\u1ebfn \u0111\u1ed5i<\/td>\n<td>Thay \u0111\u1ed5i \u0111\u01b0\u1ee3c (t\u00f9y thu\u1ed9c v\u00e0o cu\u1ed9n d\u00e2y)<\/td>\n<\/tr>\n<tr>\n<td>C\u00e1c tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng<\/td>\n<td>C\u00f4ng nghi\u1ec7p, gi\u1eef ch\u1eb7t<\/td>\n<td>S\u1eed d\u1ee5ng chung<\/td>\n<td>Thay \u0111\u1ed5i \u0111\u01b0\u1ee3c, c\u1ea7n b\u1eadt\/t\u1eaft<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h3>M\u1eb9o b\u1ea3o tr\u00ec cho h\u1ed9p nam ch\u00e2m<\/h3>\n<ul>\n<li>Gi\u1eef s\u1ea1ch c\u00e1c b\u1ec1 m\u1eb7t ti\u1ebfp x\u00fac v\u00e0 tr\u00e1nh r\u1ec9 s\u00e9t, d\u1ea7u ho\u1eb7c b\u1ee5i b\u1ea9n \u0111\u1ec3 \u0111\u1ea1t \u0111\u1ed9 gi\u1eef ch\u1eb7t t\u1ed1i \u0111a.<\/li>\n<li>Tr\u00e1nh c\u00e1c tr\u01b0\u1eddng t\u1eeb m\u1ea1nh b\u00ean ngo\u00e0i g\u1ea7n \u0111\u00f3 (nh\u01b0 nam ch\u00e2m \u0111i\u1ec7n l\u1edbn) c\u00f3 th\u1ec3 l\u00e0m m\u1ea5t t\u1eeb t\u00ednh c\u1ee7a nam ch\u00e2m pot.<\/li>\n<li>L\u01b0u tr\u1eef \u1edf n\u01a1i kh\u00f4 r\u00e1o \u0111\u1ec3 tr\u00e1nh \u0103n m\u00f2n tr\u00ean v\u1ecf th\u00e9p.<\/li>\n<li>Ki\u1ec3m tra h\u1ed9p th\u00e9p \u0111\u1ec3 ph\u00e1t hi\u1ec7n v\u1ebft m\u00f3p ho\u1eb7c h\u01b0 h\u1ecfng c\u00f3 th\u1ec3 l\u00e0m gi\u1ea3m s\u1ee9c m\u1ea1nh t\u1eeb t\u00ednh.<\/li>\n<\/ul>\n<h2>C\u00e1ch ch\u1ecdn v\u00e0 mua nam ch\u00e2m pot ch\u1ea5t l\u01b0\u1ee3ng cao t\u1eeb nh\u00e0 cung c\u1ea5p \u0111\u00e1ng tin c\u1eady<\/h2>\n<p>Khi ch\u1ecdn mua nam ch\u00e2m pot, b\u1eaft \u0111\u1ea7u b\u1eb1ng vi\u1ec7c \u0111\u00e1nh gi\u00e1 y\u00eau c\u1ea7u <strong>l\u1ef1c h\u00fat<\/strong> v\u00e0 gi\u1edbi h\u1ea1n k\u00edch th\u01b0\u1edbc c\u1ee7a d\u1ef1 \u00e1n c\u1ee7a b\u1ea1n. Bi\u1ebft ch\u00ednh x\u00e1c l\u1ef1c gi\u1eef t\u1eeb b\u1ea1n c\u1ea7n gi\u00fap tr\u00e1nh chi ti\u00eau qu\u00e1 m\u1ee9c ho\u1eb7c s\u1eed d\u1ee5ng nam ch\u00e2m k\u00e9m hi\u1ec7u qu\u1ea3. Ngo\u00e0i ra, ki\u1ec3m tra c\u00e1c <strong>ch\u1ee9ng nh\u1eadn quan tr\u1ecdng nh\u01b0 RoHS<\/strong>, \u0111\u1eb7c bi\u1ec7t n\u1ebfu b\u1ea1n d\u1ef1 \u0111\u1ecbnh nh\u1eadp kh\u1ea9u nam ch\u00e2m v\u00e0o Vi\u1ec7t Nam ho\u1eb7c xu\u1ea5t kh\u1ea9u t\u1eeb Trung Qu\u1ed1c, \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o tu\u00e2n th\u1ee7 c\u00e1c ti\u00eau chu\u1ea9n an to\u00e0n v\u00e0 m\u00f4i tr\u01b0\u1eddng.<\/p>\n<p>NBAEM n\u1ed5i b\u1eadt nh\u01b0 m\u1ed9t nh\u00e0 cung c\u1ea5p Trung Qu\u1ed1c h\u00e0ng \u0111\u1ea7u \u0111\u01b0\u1ee3c kh\u00e1ch h\u00e0ng tin t\u01b0\u1edfng v\u1ec1 nam ch\u00e2m pot ch\u1ea5t l\u01b0\u1ee3ng cao. H\u1ecd cung c\u1ea5p <strong>t\u00f9y ch\u1ec9nh OEM<\/strong>, \u0111\u1ec3 b\u1ea1n c\u00f3 th\u1ec3 \u0111\u1eb7t nam ch\u00e2m ph\u00f9 h\u1ee3p v\u1edbi c\u00e1c th\u00f4ng s\u1ed1 ch\u00ednh x\u00e1c c\u1ee7a m\u00ecnh. V\u1edbi <strong>gi\u00e1 s\u1ec9<\/strong> v\u00e0 <strong>v\u1eadn chuy\u1ec3n nhanh to\u00e0n c\u1ea7u t\u1eeb nh\u00e0 m\u00e1y \u1edf Qu\u1ea3ng \u0110\u00f4ng<\/strong>, NBAEM mang l\u1ea1i s\u1ef1 \u0111\u00e1ng tin c\u1eady v\u00e0 hi\u1ec7u qu\u1ea3 v\u1ec1 chi ph\u00ed, b\u1ea5t k\u1ec3 b\u1ea1n \u0111ang trang b\u1ecb d\u00e2y chuy\u1ec1n c\u00f4ng nghi\u1ec7p hay t\u1ed5 ch\u1ee9c d\u1ee5ng c\u1ee5 t\u1ea1i nh\u00e0.<\/p>\n<p>Th\u1ef1c hi\u1ec7n theo c\u00e1c b\u01b0\u1edbc sau khi mua:<\/p>\n<ul>\n<li><strong>\u0110o \u1ee9ng d\u1ee5ng c\u1ee7a b\u1ea1n<\/strong>: X\u00e1c \u0111\u1ecbnh lo\u1ea1i b\u1ec1 m\u1eb7t, \u0111\u1ed9 d\u00e0y v\u00e0 \u0111i\u1ec1u ki\u1ec7n nhi\u1ec7t \u0111\u1ed9.<\/li>\n<li><strong>T\u00ednh to\u00e1n l\u1ef1c h\u00fat c\u1ea7n thi\u1ebft<\/strong>: T\u00ednh \u0111\u1ebfn c\u00e1c bi\u1ec7n ph\u00e1p an to\u00e0n cho c\u00e1c bi\u1ebfn \u0111\u1ed9ng t\u1ea3i tr\u1ecdng.<\/li>\n<li><strong>\u0110\u1eb7t h\u00e0ng m\u1eabu th\u1eed<\/strong> tr\u01b0\u1edbc \u0111\u1ec3 x\u00e1c minh hi\u1ec7u su\u1ea5t trong tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng th\u1ef1c t\u1ebf c\u1ee7a b\u1ea1n.<\/li>\n<\/ul>\n<p>\u0110\u1ec3 d\u1ec5 d\u00e0ng l\u1ef1a ch\u1ecdn, NBAEM cung c\u1ea5p m\u1ed9t <strong>m\u00e1y t\u00ednh l\u1ef1c k\u00e9o v\u00e0 l\u1ef1c k\u00e9o mi\u1ec5n ph\u00ed c\u1ee7a danh m\u1ee5c<\/strong>. <span style=\"color: #0000ff;\"><strong><a style=\"color: #0000ff;\" href=\"https:\/\/nbaem.com\/vi\/contact-us\/\" target=\"_blank\" rel=\"noopener\">Li\u00ean h\u1ec7 v\u1edbi ch\u00fang t\u00f4i<\/a> <\/strong><\/span>tr\u1ef1c ti\u1ebfp \u0111\u1ec3 nh\u1eadn b\u00e1o gi\u00e1 c\u00e1 nh\u00e2n h\u00f3a ho\u1eb7c t\u01b0 v\u1ea5n k\u1ef9 thu\u1eadt ph\u00f9 h\u1ee3p v\u1edbi d\u1ef1 \u00e1n c\u1ee7a b\u1ea1n.<\/p>\n<p>&nbsp;<\/p>","protected":false},"excerpt":{"rendered":"<p>Kh\u00e1m ph\u00e1 xem n\u1ed3i nam ch\u00e2m l\u00e0 g\u00ec v\u00e0 c\u00e1ch nh\u1eefng nam ch\u00e2m neodymium b\u1ecdc th\u00e9p m\u1ea1nh m\u1ebd n\u00e0y mang l\u1ea1i l\u1ef1c gi\u1eef ch\u1eb7t v\u01b0\u1ee3t tr\u1ed9i cho m\u1ee5c \u0111\u00edch c\u00f4ng nghi\u1ec7p v\u00e0 t\u1ef1 l\u00e0m.<\/p>","protected":false},"author":1,"featured_media":3089,"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-3090","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-uncategorized"],"jetpack_featured_media_url":"https:\/\/nbaem.com\/wp-content\/uploads\/2025\/09\/What_is_a_magnet_pot_tlE8YhaLe.webp","_links":{"self":[{"href":"https:\/\/nbaem.com\/vi\/wp-json\/wp\/v2\/posts\/3090","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=3090"}],"version-history":[{"count":1,"href":"https:\/\/nbaem.com\/vi\/wp-json\/wp\/v2\/posts\/3090\/revisions"}],"predecessor-version":[{"id":3091,"href":"https:\/\/nbaem.com\/vi\/wp-json\/wp\/v2\/posts\/3090\/revisions\/3091"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/nbaem.com\/vi\/wp-json\/wp\/v2\/media\/3089"}],"wp:attachment":[{"href":"https:\/\/nbaem.com\/vi\/wp-json\/wp\/v2\/media?parent=3090"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/nbaem.com\/vi\/wp-json\/wp\/v2\/categories?post=3090"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/nbaem.com\/vi\/wp-json\/wp\/v2\/tags?post=3090"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}