{"id":2027,"date":"2025-08-27T05:24:33","date_gmt":"2025-08-27T05:24:33","guid":{"rendered":"https:\/\/nbaem.com\/?p=2027"},"modified":"2025-08-27T05:57:24","modified_gmt":"2025-08-27T05:57:24","slug":"which-is-better-n42-or-n52-magnets","status":"publish","type":"post","link":"https:\/\/nbaem.com\/vi\/which-is-better-n42-or-n52-magnets\/","title":{"rendered":"\u0110\u1ed9 m\u1ea1nh nhi\u1ec7t \u0111\u1ed9 v\u00e0 \u1ee9ng d\u1ee5ng c\u1ee7a nam ch\u00e2m N42 so v\u1edbi N52"},"content":{"rendered":"<h2>Hi\u1ec3u v\u1ec1 c\u00e1c lo\u1ea1i x\u1ebfp h\u1ea1ng nam ch\u00e2m Neodymium<\/h2>\n<p>Nam ch\u00e2m Neodymium, th\u01b0\u1eddng \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 <em>nam ch\u00e2m \u0111\u1ea5t hi\u1ebfm<\/em>, n\u1eb1m trong s\u1ed1 nh\u1eefng nam ch\u00e2m v\u0129nh c\u1eedu m\u1ea1nh nh\u1ea5t hi\u1ec7n nay. \u201cC\u1ea5p \u0111\u1ed9\u201d c\u1ee7a ch\u00fang l\u00e0 th\u01b0\u1edbc \u0111o s\u1ee9c m\u1ea1nh t\u1eeb tr\u01b0\u1eddng, \u0111\u01b0\u1ee3c th\u1ec3 hi\u1ec7n b\u1eb1ng m\u1ed9t <strong>N<\/strong> \u0111\u00e1nh gi\u00e1 nh\u01b0 N35, N42 ho\u1eb7c N52. C <strong>s\u1ed1 N<\/strong> \u0111\u1ea1i di\u1ec7n cho s\u1ea3n ph\u1ea9m n\u0103ng l\u01b0\u1ee3ng t\u1ed1i \u0111a c\u1ee7a nam ch\u00e2m, \u0111\u01b0\u1ee3c \u0111o b\u1eb1ng <strong>Mega-Gauss Oersted (MGOe)<\/strong>. N\u00f3i m\u1ed9t c\u00e1ch \u0111\u01a1n gi\u1ea3n, s\u1ed1 c\u00e0ng cao, tr\u01b0\u1eddng t\u1eeb m\u00e0 nam ch\u00e2m c\u00f3 th\u1ec3 t\u1ea1o ra c\u00e0ng m\u1ea1nh cho k\u00edch th\u01b0\u1edbc c\u1ee7a n\u00f3.<\/p>\n<p>T\u1ea5t c\u1ea3 nam ch\u00e2m neodymium \u0111\u1ec1u \u0111\u01b0\u1ee3c l\u00e0m t\u1eeb h\u1ee3p kim c\u1ee7a <strong>neodymium (Nd)<\/strong>, <strong>s\u1eaft (Fe)<\/strong>, v\u00e0 <strong>boron (B)<\/strong> \u2014 vi\u1ebft t\u1eaft l\u00e0 <strong>NdFeB<\/strong>. Qu\u00e1 tr\u00ecnh s\u1ea3n xu\u1ea5t bao g\u1ed3m nung ch\u1ea3y v\u00e0 \u0111\u00fac h\u1ee3p kim, l\u00e0m ngu\u1ed9i th\u00e0nh kh\u1ed1i, m\u00e0i th\u00e0nh c\u00e1c h\u00ecnh d\u1ea1ng ch\u00ednh x\u00e1c, v\u00e0 cu\u1ed1i c\u00f9ng l\u00e0 t\u1eeb t\u00ednh h\u00f3a. Nh\u1eefng kh\u00e1c bi\u1ec7t nh\u1ecf trong th\u00e0nh ph\u1ea7n v\u1eadt li\u1ec7u, c\u1ea5u tr\u00fac tinh th\u1ec3 v\u00e0 ph\u01b0\u01a1ng ph\u00e1p tinh ch\u1ebf quy\u1ebft \u0111\u1ecbnh s\u1ee9c m\u1ea1nh t\u1eeb tr\u01b0\u1eddng cu\u1ed1i c\u00f9ng v\u00e0 kh\u1ea3 n\u0103ng ch\u1ecbu nhi\u1ec7t, \u0111\u00f3 l\u00e0 l\u00fd do t\u1ea1i sao c\u00f3 c\u00e1c c\u1ea5p nh\u01b0 N42 v\u00e0 N52.<\/p>\n<p>T\u00f3m l\u1ea1i, \u0111\u00e1nh gi\u00e1 c\u1ea5p \u0111\u1ed9 cho b\u1ea1n bi\u1ebft nam ch\u00e2m m\u1ea1nh \u0111\u1ebfn m\u1ee9c n\u00e0o, gi\u00fap b\u1ea1n ch\u1ecdn \u0111\u01b0\u1ee3c s\u1ef1 c\u00e2n b\u1eb1ng ph\u00f9 h\u1ee3p gi\u1eefa s\u1ee9c m\u1ea1nh, k\u00edch th\u01b0\u1edbc v\u00e0 chi ph\u00ed cho \u1ee9ng d\u1ee5ng c\u1ee7a m\u00ecnh.<\/p>\n<h2>So s\u00e1nh Chi Ti\u1ebft Th\u00f4ng S\u1ed1 Gi\u1eefa N42 v\u00e0 N52<\/h2>\n<p><img decoding=\"async\" class=\"\" src=\"https:\/\/nbaem.com\/wp-content\/uploads\/2025\/08\/N42_vs_N52_Neodymium_Magnet_Specs_YQUAcluC7.webp\" alt=\"Th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt Nam ch\u00e2m Neodymium N42 so v\u1edbi N52\" width=\"566\" height=\"566\" \/><\/p>\n<p>Khi so s\u00e1nh <strong>Nam ch\u00e2m N42 so v\u1edbi N52<\/strong>, nh\u1eefng \u0111i\u1ec3m kh\u00e1c bi\u1ec7t ch\u00ednh n\u1eb1m \u1edf s\u1ee9c m\u1ea1nh, gi\u1edbi h\u1ea1n nhi\u1ec7t \u0111\u1ed9 v\u00e0 chi ph\u00ed. C\u1ea3 hai \u0111\u1ec1u l\u00e0 <strong>nam ch\u00e2m \u0111\u1ea5t hi\u1ebfm neodymium<\/strong>, nh\u01b0ng ch\u00fang <strong>c\u1ea5p<\/strong> \u0111\u1ecbnh ngh\u0129a m\u1ee9c \u0111\u1ed9 m\u1ea1nh m\u1ebd v\u00e0 hi\u1ec7u su\u1ea5t c\u1ee7a ch\u00fang trong c\u00e1c m\u00f4i tr\u01b0\u1eddng kh\u00e1c nhau.<\/p>\n<p>D\u01b0\u1edbi \u0111\u00e2y l\u00e0 m\u1ed9t so s\u00e1nh nhanh:<\/p>\n<table>\n<thead>\n<tr>\n<th>\u0110\u1eb7c \u0111i\u1ec3m<\/th>\n<th>N42<\/th>\n<th>N52<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td><strong>S\u1ea3n ph\u1ea9m n\u0103ng l\u01b0\u1ee3ng t\u1ed1i \u0111a (MGOe)<\/strong><\/td>\n<td>~42 MGOe<\/td>\n<td>~52 MGOe<\/td>\n<\/tr>\n<tr>\n<td><strong>\u0110\u1ed9 m\u1ea1nh t\u1eeb t\u00ednh<\/strong><\/td>\n<td>M\u1ea1nh m\u1ebd<\/td>\n<td>R\u1ea5t m\u1ea1nh (t\u1edbi 20% m\u1ea1nh h\u01a1n N42 g\u1ea5p nhi\u1ec1u l\u1ea7n)<\/td>\n<\/tr>\n<tr>\n<td><strong>Kh\u1ea3 n\u0103ng ch\u1ed1ng m\u1ea5t t\u1eeb<\/strong> (kh\u00e1ng t\u1eeb ch\u1ed1ng m\u1ea5t t\u1eeb)<\/td>\n<td>T\u01b0\u01a1ng t\u1ef1 cho c\u1ea3 hai<\/td>\n<td>T\u01b0\u01a1ng t\u1ef1 cho c\u1ea3 hai<\/td>\n<\/tr>\n<tr>\n<td><strong>L\u01b0u t\u1eeb d\u01b0 (Br)<\/strong><\/td>\n<td>~1.28\u20131.32 Tesla<\/td>\n<td>~1.42\u20131.48 Tesla<\/td>\n<\/tr>\n<tr>\n<td><strong>Nhi\u1ec7t \u0111\u1ed9 ho\u1ea1t \u0111\u1ed9ng t\u1ed1i \u0111a<\/strong><\/td>\n<td>~80\u00b0C (176\u00b0F) ti\u00eau chu\u1ea9n<\/td>\n<td>~60\u201365\u00b0C (140\u2013150\u00b0F) ti\u00eau chu\u1ea9n<\/td>\n<\/tr>\n<tr>\n<td><strong>\u0110\u1ed9 gi\u00f2n<\/strong><\/td>\n<td>Gi\u1ed1ng nhau \u2013 c\u00f3 th\u1ec3 b\u1ecb s\u1ee9t m\u1ebb ho\u1eb7c n\u1ee9t d\u01b0\u1edbi \u00e1p l\u1ef1c<\/td>\n<td>Gi\u1ed1ng nhau<\/td>\n<\/tr>\n<tr>\n<td><strong>Ch\u1ed1ng \u0103n m\u00f2n<\/strong><\/td>\n<td>Gi\u1ed1ng nhau \u2013 c\u1ea7n l\u1edbp ph\u1ee7 (Ni-Cu-Ni, epoxy, v.v.)<\/td>\n<td>Gi\u1ed1ng nhau<\/td>\n<\/tr>\n<tr>\n<td><strong>Gi\u00e1 th\u00e0nh<\/strong><\/td>\n<td>Th\u1ea5p h\u01a1n<\/td>\n<td>Cao h\u01a1n (do ch\u1ea5t li\u1ec7u c\u00f3 c\u1ea5p \u0111\u1ed9 cao h\u01a1n)<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p><strong>Nh\u1eefng \u0111i\u1ec3m ch\u00ednh c\u1ea7n l\u01b0u \u00fd:<\/strong><\/p>\n<ul>\n<li><strong>\u0110\u1ed9 m\u1ea1nh:<\/strong> N52 cung c\u1ea5p l\u1ef1c h\u00fat cao h\u01a1n trong c\u00f9ng k\u00edch th\u01b0\u1edbc nam ch\u00e2m.<\/li>\n<li><strong>Nhi\u1ec7t \u0111\u1ed9:<\/strong> N42 c\u00f3 th\u1ec3 ch\u1ecbu nhi\u1ec7t cao h\u01a1n m\u1ed9t ch\u00fat tr\u01b0\u1edbc khi m\u1ea5t s\u1ee9c m\u1ea1nh. \u0110\u1ed1i v\u1edbi m\u00f4i tr\u01b0\u1eddng nhi\u1ec7t \u0111\u1ed9 cao, c\u1ea7n c\u00e1c lo\u1ea1i \u0111\u1eb7c bi\u1ec7t (<a href=\"https:\/\/nbaem.com\/vi\/which-magnets-can-withstand-high-temperatures\/\">xem h\u01b0\u1edbng d\u1eabn nam ch\u00e2m ch\u1ecbu nhi\u1ec7t cao<\/a>).<\/li>\n<li><strong>\u0110\u1ed9 b\u1ec1n:<\/strong> C\u1ea3 hai lo\u1ea1i \u0111\u1ec1u d\u1ec5 b\u1ecb s\u1ee9t m\u1ebb v\u00e0 c\u1ea7n l\u1edbp ph\u1ee7 b\u1ea3o v\u1ec7.<\/li>\n<li><strong>Gi\u00e1 c\u1ea3:<\/strong> Nam ch\u00e2m N52 \u0111\u1eaft h\u01a1n, th\u01b0\u1eddng kh\u00f4ng \u0111\u00e1ng gi\u00e1 n\u1ebfu b\u1ea1n kh\u00f4ng c\u1ea7n l\u1ef1c th\u00eam.<\/li>\n<\/ul>\n<h2>Kh\u00e1c Bi\u1ec7t Hi\u1ec7u Su\u1ea5t N52 Cung C\u1ea5p G\u00ec So V\u1edbi N42<\/h2>\n<p>Nam ch\u00e2m N52 \u0111\u01a1n gi\u1ea3n l\u00e0 lo\u1ea1i ti\u00eau chu\u1ea9n m\u1ea1nh nh\u1ea5t c\u1ee7a nam ch\u00e2m neodymium m\u00e0 b\u1ea1n c\u00f3 th\u1ec3 mua. So v\u1edbi N42, ch\u00fang c\u00f3 n\u0103ng l\u01b0\u1ee3ng t\u1ed1i \u0111a cao h\u01a1n, c\u00f3 ngh\u0129a l\u00e0 ch\u00fang c\u00f3 th\u1ec3 t\u1ea1o ra l\u1ef1c t\u1eeb m\u1ea1nh h\u01a1n c\u00f9ng k\u00edch th\u01b0\u1edbc.<\/p>\n<p><strong>\u00dd ngh\u0129a trong s\u1eed d\u1ee5ng th\u1ef1c t\u1ebf<\/strong><\/p>\n<ul>\n<li><strong>L\u1ef1c k\u00e9o nhi\u1ec1u h\u01a1n:<\/strong> Nam ch\u00e2m N52 c\u00f3 th\u1ec3 n\u00e2ng ho\u1eb7c gi\u1eef tr\u1ecdng l\u01b0\u1ee3ng l\u1edbn h\u01a1n N42 c\u00f9ng k\u00edch th\u01b0\u1edbc.<\/li>\n<li><strong>K\u00edch th\u01b0\u1edbc nh\u1ecf h\u01a1n c\u00f9ng \u0111\u1ed9 m\u1ea1nh:<\/strong> N\u1ebfu b\u1ea1n c\u1ea7n l\u1ef1c gi\u1eef c\u1ed1 \u0111\u1ecbnh c\u1ee5 th\u1ec3, c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng N52 nh\u1ecf h\u01a1n thay v\u00ec N42 l\u1edbn h\u01a1n, ti\u1ebft ki\u1ec7m kh\u00f4ng gian v\u00e0 v\u1eadt li\u1ec7u.<\/li>\n<li><strong>Hi\u1ec7u qu\u1ea3 cao h\u01a1n:<\/strong> Trong c\u00e1c \u1ee9ng d\u1ee5ng nh\u01b0 \u0111\u1ed9ng c\u01a1 ho\u1eb7c c\u1ea3m bi\u1ebfn, nam ch\u00e2m m\u1ea1nh h\u01a1n c\u00f3 th\u1ec3 c\u1ea3i thi\u1ec7n hi\u1ec7u su\u1ea5t ho\u1eb7c gi\u1ea3m t\u1ed5n th\u1ea5t n\u0103ng l\u01b0\u1ee3ng.<\/li>\n<\/ul>\n<h3>So s\u00e1nh l\u1ef1c k\u00e9o v\u00ed d\u1ee5 (\u0111\u0129a 1\u2033 x 1\/4\u2033)<\/h3>\n<table>\n<thead>\n<tr>\n<th>C\u1ea5p \u0111\u1ed9<\/th>\n<th>G\u1ea7n \u0111\u00fang l\u1ef1c k\u00e9o<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>N42<\/td>\n<td>~ 24 lbs<\/td>\n<\/tr>\n<tr>\n<td>N52<\/td>\n<td>~ 31 lbs<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h3>N\u01a1i \u0110i\u1ec1u N\u00e0y G\u00e2y Kh\u00e1c Bi\u1ec7t<\/h3>\n<ul>\n<li><strong>Thi\u1ebft b\u1ecb ch\u00ednh x\u00e1c:<\/strong> K\u00edch th\u01b0\u1edbc nh\u1ecf g\u1ecdn h\u01a1n m\u00e0 kh\u00f4ng m\u1ea5t \u0111i s\u1ee9c gi\u1eef.<\/li>\n<li><strong>Thi\u1ebft k\u1ebf h\u1ea1n ch\u1ebf kh\u00f4ng gian:<\/strong> Robot, d\u1ee5ng c\u1ee5 y t\u1ebf v\u00e0 \u0111\u1ed9ng c\u01a1 nh\u1ecf g\u1ecdn.<\/li>\n<li><strong>Thi\u1ebft l\u1eadp hi\u1ec7u su\u1ea5t cao:<\/strong> M\u00e1y t\u00e1ch t\u1eeb, h\u1ec7 th\u1ed1ng gi\u1eef n\u1eb7ng.<\/li>\n<\/ul>\n<h3>H\u1ea1n Ch\u1ebf c\u1ee7a N52<\/h3>\n<ul>\n<li><strong>Nh\u1ea1y c\u1ea3m v\u1edbi nhi\u1ec7t \u0111\u1ed9:<\/strong> M\u1ea5t s\u1ee9c m\u1ea1nh nhanh h\u01a1n N42 khi ti\u1ebfp x\u00fac v\u1edbi nhi\u1ec7t \u0111\u1ed9 cao (tr\u00ean ~140\u00b0F).<\/li>\n<li><strong>Gi\u00f2n:<\/strong> D\u1ec5 b\u1ecb s\u1ee9t m\u1ebb ho\u1eb7c n\u1ee9t v\u1ee1 h\u01a1n m\u1ed9t ch\u00fat d\u01b0\u1edbi t\u00e1c \u0111\u1ed9ng.<\/li>\n<li><strong>Chi ph\u00ed:<\/strong> Gi\u00e1 cao h\u01a1n do s\u1eed d\u1ee5ng v\u1eadt li\u1ec7u ch\u1ea5t l\u01b0\u1ee3ng cao h\u01a1n.<\/li>\n<\/ul>\n<p>Vi\u1ec7c ch\u1ecdn gi\u1eefa N42 v\u00e0 N52 th\u1ef1c s\u1ef1 ph\u1ee5 thu\u1ed9c v\u00e0o kh\u00f4ng gian, nhu c\u1ea7u v\u1ec1 \u0111\u1ed9 b\u1ec1n v\u00e0 m\u00f4i tr\u01b0\u1eddng ho\u1ea1t \u0111\u1ed9ng. N\u1ebfu nhi\u1ec7t ho\u1eb7c chi ph\u00ed l\u00e0 y\u1ebfu t\u1ed1 quan tr\u1ecdng, N42 th\u01b0\u1eddng ho\u1ea1t \u0111\u1ed9ng t\u1ed1t h\u01a1n. N\u1ebfu m\u1ee5c ti\u00eau c\u1ee7a b\u1ea1n l\u00e0 c\u00f4ng su\u1ea5t \u0111\u1ec9nh trong k\u00edch th\u01b0\u1edbc nh\u1ecf, N52 s\u1ebd th\u1eafng.<\/p>\n<h2>Ph\u00f9 H\u1ee3p \u1ee8ng D\u1ee5ng Khi N\u00e0o N\u00ean Ch\u1ecdn N42 ho\u1eb7c N52<\/h2>\n<p>Vi\u1ec7c ch\u1ecdn gi\u1eefa <strong>N42<\/strong> v\u00e0 <strong>Nam ch\u00e2m neodymium N52<\/strong> th\u1ef1c s\u1ef1 ph\u1ee5 thu\u1ed9c v\u00e0o vi\u1ec7c c\u00e2n b\u1eb1ng gi\u1eefa \u0111\u1ed9 m\u1ea1nh, k\u00edch th\u01b0\u1edbc, chi ph\u00ed v\u00e0 m\u00f4i tr\u01b0\u1eddng s\u1eed d\u1ee5ng. M\u1ed7i lo\u1ea1i c\u1ea5p \u0111\u1ed9 c\u00f3 \u0111i\u1ec3m m\u1ea1nh ri\u00eang.<\/p>\n<h3>C\u00e1c \u1ee8ng D\u1ee5ng Th\u01b0\u1eddng G\u1eb7p c\u1ee7a Nam Ch\u00e2m N42<\/h3>\n<p>N42 l\u00e0 lo\u1ea1i c\u1ea5p \u0111\u1ed9 \u201c\u0111a d\u1ee5ng\u201d v\u1eefng ch\u1eafc. N\u00f3 cung c\u1ea5p l\u1ef1c t\u1eeb m\u1ea1nh, nh\u01b0ng gi\u00e1 th\u00e0nh h\u1ee3p l\u00fd h\u01a1n v\u00e0 ch\u1ecbu nhi\u1ec7t cao h\u01a1n m\u1ed9t ch\u00fat so v\u1edbi N52 trong m\u1ed9t s\u1ed1 \u1ee9ng d\u1ee5ng. N\u00f3 l\u00e0 l\u1ef1a ch\u1ecdn ph\u1ed5 bi\u1ebfn cho:<\/p>\n<ul>\n<li>\u0110\u1ed9ng c\u01a1 v\u00e0 m\u00e1y ph\u00e1t \u0111i\u1ec7n<\/li>\n<li>M\u00e1y t\u00e1ch t\u1eeb \u0111\u1ec3 t\u00e1i ch\u1ebf ho\u1eb7c ch\u1ebf bi\u1ebfn th\u1ef1c ph\u1ea9m<\/li>\n<li>Loa v\u00e0 thi\u1ebft b\u1ecb \u00e2m thanh<\/li>\n<li>Tr\u00ecnh di\u1ec5n gi\u00e1o d\u1ee5c v\u00e0 d\u1ef1 \u00e1n khoa h\u1ecdc<\/li>\n<li>\u1ee8ng d\u1ee5ng gi\u1eef ch\u1eb7t v\u00e0 g\u1eafn k\u1ebft chung n\u01a1i kh\u00f4ng c\u1ea7n l\u1ef1c k\u00e9o c\u1ef1c l\u1edbn<\/li>\n<\/ul>\n<h3>C\u00e1c \u1ee8ng D\u1ee5ng Th\u01b0\u1eddng G\u1eb7p c\u1ee7a Nam Ch\u00e2m N52<\/h3>\n<p>N52 l\u00e0 <em>c\u1ea5p \u0111\u1ed9 m\u1ea1nh nh\u1ea5t c\u00f3 s\u1eb5n th\u01b0\u01a1ng m\u1ea1i<\/em>, v\u00ec v\u1eady n\u00f3 \u0111\u01b0\u1ee3c ch\u1ecdn khi \u01b0u ti\u00ean l\u00e0 l\u1ef1c k\u00e9o t\u1ed1i \u0111a trong k\u00edch th\u01b0\u1edbc nh\u1ecf nh\u1ea5t. B\u1ea1n s\u1ebd th\u1ea5y n\u00f3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong:<\/p>\n<ul>\n<li>\u0110\u1ed9ng c\u01a1 nh\u1ecf g\u1ecdn v\u00e0 robot n\u01a1i kh\u00f4ng gian h\u1ea1n ch\u1ebf<\/li>\n<li>Gi\u1eef ch\u1eb7t v\u00e0 k\u1eb9p m\u1ea1nh cao<\/li>\n<li>C\u1ea3m bi\u1ebfn t\u1eeb v\u00e0 thi\u1ebft b\u1ecb ch\u00ednh x\u00e1c<\/li>\n<li>D\u1ef1 \u00e1n s\u1edf th\u00edch \u0111\u1eb7c bi\u1ec7t nh\u01b0 m\u00f4 h\u00ecnh RC ho\u1eb7c x\u00e2y d\u1ef1ng c\u01a1 kh\u00ed t\u00f9y ch\u1ec9nh<\/li>\n<li>C\u00e1c \u1ee9ng d\u1ee5ng n\u01a1i <em>m\u1ed7i ounce l\u1ef1c k\u00e9o \u0111\u1ec1u quan tr\u1ecdng<\/em><\/li>\n<\/ul>\n<h3>Ch\u1ecdn D\u1ef1a Tr\u00ean Nhu C\u1ea7u<\/h3>\n<ul>\n<li><strong>H\u1ea1n ch\u1ebf v\u1ec1 k\u00edch th\u01b0\u1edbc<\/strong> - Ch\u1ecdn N52 n\u1ebfu b\u1ea1n c\u1ea7n l\u1ef1c m\u1ea1nh t\u1ed1i \u0111a trong kh\u00f4ng gian t\u1ed1i thi\u1ec3u.<\/li>\n<li><strong>Y\u00eau c\u1ea7u gi\u1eef ch\u1eb7t<\/strong> \u2013 S\u1eed d\u1ee5ng N52 cho c\u00e1c l\u1ea7n k\u00e9o m\u1ea1nh; N42 ph\u00f9 h\u1ee3p n\u1ebfu b\u1ea1n c\u00f3 di\u1ec7n t\u00edch b\u1ec1 m\u1eb7t l\u1edbn h\u01a1n ho\u1eb7c kh\u00f4ng c\u1ea7n l\u1ef1c k\u00e9o t\u1ed1i \u0111a.<\/li>\n<li><strong>Hi\u1ec7u qu\u1ea3 v\u1ec1 chi ph\u00ed<\/strong> \u2013 N42 r\u1ebb h\u01a1n v\u00e0 th\u01b0\u1eddng \u201c\u0111\u1ee7 t\u1ed1t\u201d cho c\u00e1c m\u1ee5c \u0111\u00edch c\u00f4ng nghi\u1ec7p.<\/li>\n<li><strong>M\u00f4i tr\u01b0\u1eddng v\u1eadn h\u00e0nh<\/strong> \u2013 N\u1ebfu b\u1ea1n l\u00e0m vi\u1ec7c trong nhi\u1ec7t \u0111\u1ed9 cao h\u01a1n (~80\u00b0C), h\u00e3y ki\u1ec3m tra x\u1ebfp h\u1ea1ng nhi\u1ec7t \u0111\u1ed9. N42 \u0111\u00f4i khi c\u00f3 th\u1ec3 ch\u1ecbu nhi\u1ec7t t\u1ed1t h\u01a1n m\u1ed9t ch\u00fat t\u00f9y thu\u1ed9c v\u00e0o l\u1edbp ph\u1ee7 v\u00e0 thi\u1ebft k\u1ebf. Xem th\u00eam v\u1ec1 <a href=\"https:\/\/nbaem.com\/vi\/which-magnets-can-withstand-high-temperatures\/\" target=\"_blank\" rel=\"noopener\">nam ch\u00e2m n\u00e0o c\u00f3 th\u1ec3 ch\u1ecbu nhi\u1ec7t \u0111\u1ed9 cao<\/a>.<\/li>\n<\/ul>\n<table>\n<thead>\n<tr>\n<th>Y\u1ebfu t\u1ed1<\/th>\n<th>Nam ch\u00e2m N42<\/th>\n<th>Nam ch\u00e2m N52<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>M\u1ee9c \u0111\u1ed9 m\u1ea1nh<\/td>\n<td>M\u1ea1nh m\u1ebd<\/td>\n<td>C\u1ea5p \u0111\u1ed9 m\u1ea1nh nh\u1ea5t c\u00f3 s\u1eb5n<\/td>\n<\/tr>\n<tr>\n<td>Gi\u00e1 th\u00e0nh<\/td>\n<td>Ph\u00f9 h\u1ee3p h\u01a1n v\u1ec1 gi\u00e1 c\u1ea3<\/td>\n<td>\u0110\u1eaft h\u01a1n<\/td>\n<\/tr>\n<tr>\n<td>Y\u00eau c\u1ea7u v\u1ec1 k\u00edch th\u01b0\u1edbc<\/td>\n<td>Cho ph\u00e9p k\u00edch th\u01b0\u1edbc l\u1edbn h\u01a1n<\/td>\n<td>T\u1ed1t nh\u1ea5t khi kh\u00f4ng gian h\u1ea1n ch\u1ebf<\/td>\n<\/tr>\n<tr>\n<td>Kh\u1ea3 n\u0103ng ch\u1ecbu nhi\u1ec7t<\/td>\n<td>Nh\u1ec9nh h\u01a1n trong m\u1ed9t s\u1ed1 bi\u1ebfn th\u1ec3<\/td>\n<td>Ti\u00eau chu\u1ea9n dung sai th\u1ea5p h\u01a1n (~80\u00b0C)<\/td>\n<\/tr>\n<tr>\n<td>\u1ee8ng d\u1ee5ng ph\u1ed5 bi\u1ebfn<\/td>\n<td>\u0110\u1ed9ng c\u01a1, b\u1ed9 t\u00e1ch, loa<\/td>\n<td>Robot, c\u1ea3m bi\u1ebfn, \u0111\u1ed9ng c\u01a1 nh\u1ecf g\u1ecdn<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>T\u00f3m l\u1ea1i, ng\u01b0\u1eddi mua t\u1ea1i Vi\u1ec7t Nam t\u00ecm ki\u1ebfm nam ch\u00e2m c\u00f4ng nghi\u1ec7p ti\u1ebft ki\u1ec7m chi ph\u00ed th\u01b0\u1eddng ch\u1ecdn N42, trong khi nh\u1eefng ng\u01b0\u1eddi ch\u1ebf t\u1ea1o thi\u1ebft b\u1ecb nh\u1ecf g\u1ecdn, hi\u1ec7u su\u1ea5t cao th\u00ec h\u01b0\u1edbng t\u1edbi N52.<\/p>\n<h2>C\u00e1c Y\u1ebfu T\u1ed1 Ngo\u00e0i M\u1ee9c \u0110\u1ed9 C\u0169ng \u1ea2nh H\u01b0\u1edfng \u0110\u1ebfn Hi\u1ec7u Su\u1ea5t Nam Ch\u00e2m<\/h2>\n<p>Khi so s\u00e1nh nam ch\u00e2m N42 v\u00e0 N52, c\u1ea5p \u0111\u1ed9 kh\u00f4ng ph\u1ea3i l\u00e0 y\u1ebfu t\u1ed1 duy nh\u1ea5t quy\u1ebft \u0111\u1ecbnh hi\u1ec7u qu\u1ea3 ho\u1ea1t \u0111\u1ed9ng trong \u1ee9ng d\u1ee5ng c\u1ee7a b\u1ea1n. M\u1ed9t s\u1ed1 y\u1ebfu t\u1ed1 kh\u00e1c c\u0169ng c\u00f3 th\u1ec3 \u1ea3nh h\u01b0\u1edfng \u0111\u00e1ng k\u1ec3 \u0111\u1ebfn hi\u1ec7u su\u1ea5t v\u00e0 tu\u1ed5i th\u1ecd.<\/p>\n<h3>1. L\u1edbp Ph\u1ee7 v\u00e0 B\u1ea3o V\u1ec7 Ch\u1ed1ng G\u1ec9<\/h3>\n<p>Nam ch\u00e2m neodymium d\u1ec5 b\u1ecb g\u1ec9 n\u1ebfu kh\u00f4ng \u0111\u01b0\u1ee3c b\u1ea3o v\u1ec7. C\u00e1c l\u1edbp ph\u1ee7 nh\u01b0 <strong>Ni-Cu-Ni<\/strong> (k\u1ebdm-nickel-k\u1ebdm), epoxy, v\u00e0 k\u1ebdm l\u00e0 ph\u1ed5 bi\u1ebfn.<\/p>\n<ul>\n<li><strong>Ni-Cu-Ni<\/strong> \u2013 L\u1ef1a ch\u1ecdn ti\u00eau chu\u1ea9n, b\u1ec1n, b\u1ec1 m\u1eb7t m\u1ecbn, ph\u00f9 h\u1ee3p cho h\u1ea7u h\u1ebft c\u00e1c s\u1eed d\u1ee5ng trong nh\u00e0.<\/li>\n<li><strong>Epoxy<\/strong> \u2013 Kh\u00e1ng \u0103n m\u00f2n b\u1ed5 sung, t\u1ed1t h\u01a1n cho m\u00f4i tr\u01b0\u1eddng \u1ea9m \u01b0\u1edbt ho\u1eb7c ngo\u00e0i tr\u1eddi.<\/li>\n<li><strong>K\u1ebdm<\/strong> \u2013 Ph\u00f9 h\u1ee3p v\u1edbi ng\u00e2n s\u00e1ch, nh\u01b0ng kh\u00f4ng b\u1ec1n b\u1eb1ng l\u1edbp ph\u1ee7 d\u1ef1a tr\u00ean niken.<\/li>\n<\/ul>\n<h3>2. H\u00ecnh D\u1ea1ng v\u00e0 K\u00edch Th\u01b0\u1edbc<\/h3>\n<p>H\u00ecnh d\u1ea1ng c\u1ee7a nam ch\u00e2m \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn c\u01b0\u1eddng \u0111\u1ed9 tr\u01b0\u1eddng v\u00e0 l\u1ef1c h\u00fat.<\/p>\n<ul>\n<li><strong>\u0110\u0129a m\u1ecfng ho\u1eb7c kh\u1ed1i nh\u1ecf<\/strong> c\u00f3 th\u1ec3 m\u1ea5t s\u1ee9c m\u1ea1nh nhanh h\u01a1n trong m\u00f4i tr\u01b0\u1eddng nhi\u1ec7t \u0111\u1ed9 cao ho\u1eb7c rung l\u1eafc m\u1ea1nh.<\/li>\n<li><strong>Di\u1ec7n t\u00edch b\u1ec1 m\u1eb7t l\u1edbn h\u01a1n<\/strong> mang l\u1ea1i kh\u1ea3 n\u0103ng gi\u1eef ch\u1eb7t t\u1ed1t h\u01a1n ngay c\u1ea3 khi c\u1ea5p \u0111\u1ed9 th\u1ea5p h\u01a1n.<\/li>\n<\/ul>\n<h3>3. L\u1eafp R\u00e1p v\u00e0 C\u00e0i \u0110\u1eb7t<\/h3>\n<p>C\u00e1ch v\u00e0 v\u1ecb tr\u00ed l\u1eafp \u0111\u1eb7t nam ch\u00e2m c\u00f3 th\u1ec3 thay \u0111\u1ed5i hi\u1ec7u su\u1ea5t c\u1ee7a n\u00f3.<\/p>\n<ul>\n<li>S\u1eed d\u1ee5ng \u0111\u0129a \u0111\u1ee1 ph\u00f9 h\u1ee3p \u0111\u1ec3 t\u0103ng hi\u1ec7u qu\u1ea3 c\u1ee7a m\u1ea1ch t\u1eeb.<\/li>\n<li>Tr\u00e1nh \u00e1p l\u1ef1c c\u01a1 h\u1ecdc\u2014neodymium d\u1ec5 v\u1ee1 v\u00e0 c\u00f3 th\u1ec3 b\u1ecb s\u1ee9t m\u1ebb n\u1ebfu va \u0111\u1eadp.<\/li>\n<li>Gi\u1eef nam ch\u00e2m tr\u00e1nh va \u0111\u1eadp tr\u1ef1c ti\u1ebfp trong qu\u00e1 tr\u00ecnh l\u1eafp r\u00e1p.<\/li>\n<\/ul>\n<h3>4. Ch\u1ea5t L\u01b0\u1ee3ng v\u00e0 \u0110\u1ed9 \u1ed4n \u0110\u1ecbnh c\u1ee7a Nh\u00e0 Cung C\u1ea5p<\/h3>\n<p>Hai nam ch\u00e2m c\u00f9ng c\u1ea5p c\u00f3 th\u1ec3 ho\u1ea1t \u0111\u1ed9ng kh\u00e1c nhau r\u1ea5t nhi\u1ec1u n\u1ebfu ch\u1ea5t l\u01b0\u1ee3ng s\u1ea3n xu\u1ea5t kh\u00f4ng \u0111\u1ed3ng \u0111\u1ec1u.<\/p>\n<ul>\n<li>NBAEM \u0111\u1ea3m b\u1ea3o nghi\u00eam ng\u1eb7t <strong>ki\u1ec3m so\u00e1t ch\u1ea5t l\u01b0\u1ee3ng<\/strong>, tu\u00e2n th\u1ee7 c\u00e1c ti\u00eau chu\u1ea9n qu\u1ed1c t\u1ebf.<\/li>\n<li>S\u1ef1 t\u1eeb t\u00ednh nh\u1ea5t qu\u00e1n, dung sai ch\u00ednh x\u00e1c v\u00e0 \u0111\u1ed9 b\u00e1m d\u00ednh l\u1edbp ph\u1ee7 \u0111\u00e1ng tin c\u1eady l\u00e0 m\u1ed9t ph\u1ea7n trong c\u00e1c ki\u1ec3m tra s\u1ea3n xu\u1ea5t c\u1ee7a NBAEM.<\/li>\n<\/ul>\n<p>B\u1eb1ng c\u00e1ch xem x\u00e9t v\u01b0\u1ee3t ra ngo\u00e0i c\u1ea5p \u0111\u1ed9 v\u00e0 ch\u00fa \u00fd \u0111\u1ebfn l\u1edbp ph\u1ee7, thi\u1ebft k\u1ebf, c\u00e1ch l\u1eafp \u0111\u1eb7t v\u00e0 ti\u00eau chu\u1ea9n nh\u00e0 cung c\u1ea5p, b\u1ea1n c\u00f3 th\u1ec3 \u0111\u1ea3m b\u1ea3o nam ch\u00e2m\u2014d\u00f9 l\u00e0 N42 hay N52\u2014\u0111\u1ea1t hi\u1ec7u su\u1ea5t t\u1ed1i \u0111a cho nhu c\u1ea7u c\u1ee7a m\u00ecnh.<\/p>\n<h2>M\u1eb9o Mua H\u00e0ng C\u00e1ch Ch\u1ecdn M\u1ee9c \u0110\u1ed9 Nam Ch\u00e2m Ph\u00f9 H\u1ee3p<\/h2>\n<p>Vi\u1ec7c ch\u1ecdn gi\u1eefa <strong>N42<\/strong> v\u00e0 <strong>N52<\/strong> vi\u1ec7c ch\u1ecdn nam ch\u00e2m d\u1ef1a tr\u00ean vi\u1ec7c ph\u00f9 h\u1ee3p \u0111\u00fang c\u1ea5p \u0111\u1ed9 v\u1edbi nhu c\u1ea7u ch\u00ednh x\u00e1c c\u1ee7a b\u1ea1n. D\u01b0\u1edbi \u0111\u00e2y l\u00e0 c\u00e1ch t\u00f4i ph\u00e2n t\u00edch.<\/p>\n<h3>1. Hi\u1ec3u R\u00f5 \u1ee8ng D\u1ee5ng c\u1ee7a B\u1ea1n<\/h3>\n<ul>\n<li><strong>L\u1ef1c gi\u1eef c\u1ea7n thi\u1ebft<\/strong> \u2013 T\u1ea3i tr\u1ecdng n\u1eb7ng h\u01a1n ho\u1eb7c l\u1ef1c gi\u1eef ch\u1eb7t h\u01a1n? N52 c\u00f3 th\u1ec3 \u0111\u00e1ng gi\u00e1.<\/li>\n<li><strong>Gi\u1edbi h\u1ea1n kh\u00f4ng gian<\/strong> \u2013 N\u1ebfu b\u1ea1n c\u1ea7n \u0111\u1ed9 m\u1ea1nh cao trong k\u00edch th\u01b0\u1edbc nh\u1ecf, N52 l\u00e0 t\u1ed1t h\u01a1n. N\u1ebfu c\u00f3 ch\u1ed7 cho nam ch\u00e2m l\u1edbn h\u01a1n, N42 c\u00f3 th\u1ec3 \u0111\u00e1p \u1ee9ng \u0111\u01b0\u1ee3c.<\/li>\n<li><strong>Nhi\u1ec7t \u0111\u1ed9 ho\u1ea1t \u0111\u1ed9ng<\/strong> \u2013 N42 th\u01b0\u1eddng x\u1eed l\u00fd nhi\u1ec7t t\u1ed1t h\u01a1n m\u1ed9t ch\u00fat so v\u1edbi N52.<\/li>\n<\/ul>\n<h3>2. C\u00e2n Nh\u1eafc Hi\u1ec7u Su\u1ea5t v\u00e0 Chi Ph\u00ed<\/h3>\n<p>N52 m\u1ea1nh h\u01a1n nh\u01b0ng c\u0169ng \u0111\u1eaft h\u01a1n. N\u1ebfu b\u1ea1n kh\u00f4ng c\u1ea7n l\u1ef1c k\u00e9o th\u00eam \u0111\u00f3, N42 mang l\u1ea1i gi\u00e1 tr\u1ecb t\u1ed1t h\u01a1n.<\/p>\n<table>\n<thead>\n<tr>\n<th>C\u1ea5p \u0111\u1ed9<\/th>\n<th>M\u1ee9c \u0111\u1ed9 m\u1ea1nh<\/th>\n<th>Gi\u00e1 th\u00e0nh<\/th>\n<th>Kh\u1ea3 n\u0103ng ch\u1ecbu nhi\u1ec7t<\/th>\n<th>K\u00edch th\u01b0\u1edbc c\u1ea7n thi\u1ebft cho c\u00f9ng m\u1ed9t l\u1ef1c<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>N42<\/td>\n<td>Cao<\/td>\n<td>Th\u1ea5p h\u01a1n<\/td>\n<td>Nh\u1ec9nh h\u01a1n m\u1ed9t ch\u00fat<\/td>\n<td>L\u1edbn h\u01a1n<\/td>\n<\/tr>\n<tr>\n<td>N52<\/td>\n<td>R\u1ea5t cao<\/td>\n<td>Cao h\u01a1n<\/td>\n<td>Nh\u1ec9nh h\u01a1n m\u1ed9t ch\u00fat<\/td>\n<td>Nh\u1ecf h\u01a1n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h3>3. Ngh\u0129 \u0110\u1ebfn S\u1eed D\u1ee5ng D\u00e0i H\u1ea1n<\/h3>\n<ul>\n<li>\u0110\u1ea3m b\u1ea3o l\u1edbp ph\u1ee7 ph\u00f9 h\u1ee3p v\u1edbi m\u00f4i tr\u01b0\u1eddng (Ni-Cu-Ni cho s\u1eed d\u1ee5ng chung, epoxy cho \u0111i\u1ec1u ki\u1ec7n ngo\u00e0i tr\u1eddi\/\u1ea9m \u01b0\u1edbt).<\/li>\n<li>C\u00e1c lo\u1ea1i c\u1ea5p cao h\u01a1n c\u00f3 th\u1ec3 d\u1ec5 b\u1ecb s\u1ee9t m\u1ebb h\u01a1n\u2014h\u00e3y x\u1eed l\u00fd c\u1ea9n th\u1eadn.<\/li>\n<\/ul>\n<h3>4. Ngu\u1ed3n H\u00e0ng T\u1eeb Nh\u00e0 Cung C\u1ea5p \u0110\u00e1ng Tin C\u1eady<\/h3>\n<p>Khi \u0111\u1eb7t h\u00e0ng t\u1eeb Trung Qu\u1ed1c, nh\u01b0 <strong>NBAEM<\/strong>, ki\u1ec3m tra c\u00e1c y\u1ebfu t\u1ed1 sau:<\/p>\n<ul>\n<li><strong>\u0110\u1ed9 dung sai c\u1ea5p \u0111\u1ed3ng nh\u1ea5t<\/strong> (N42 ho\u1eb7c N52 ch\u00ednh h\u00e3ng, kh\u00f4ng ph\u1ea3i h\u00e0ng gi\u1ea3m c\u1ea5p)<\/li>\n<li><strong>Ch\u1ee9ng nh\u1eadn ch\u1ea5t l\u01b0\u1ee3ng<\/strong><\/li>\n<li><strong>T\u00f9y ch\u1ecdn k\u00edch th\u01b0\u1edbc v\u00e0 l\u1edbp ph\u1ee7 t\u00f9y ch\u1ec9nh<\/strong><\/li>\n<li><strong>H\u1ed7 tr\u1ee3 k\u1ef9 thu\u1eadt r\u00f5 r\u00e0ng<\/strong><\/li>\n<\/ul>\n<p>N\u1ebfu b\u1ea1n cung c\u1ea5p cho NBAEM c\u00e1c chi ti\u1ebft\u2014l\u1ef1c k\u00e9o c\u1ea7n thi\u1ebft, kh\u00f4ng gian c\u00f3 s\u1eb5n, v\u00e0 m\u00f4i tr\u01b0\u1eddng l\u00e0m vi\u1ec7c\u2014h\u1ecd c\u00f3 th\u1ec3 \u0111\u1ec1 xu\u1ea5t l\u1ef1a ch\u1ecdn t\u1ed1i \u01b0u v\u1ec1 chi ph\u00ed v\u00e0 \u0111\u1ed9 b\u1ec1n.<\/p>\n<h2>Chuy\u00ean M\u00f4n v\u00e0 D\u1ecbch V\u1ee5 C\u1ee7a NBAEM Trong Vi\u1ec7c Cung C\u1ea5p Nam Ch\u00e2m N42 v\u00e0 N52<\/h2>\n<p>NBAEM cung c\u1ea5p \u0111\u1ea7y \u0111\u1ee7 c\u00e1c lo\u1ea1i <strong>nam ch\u00e2m neodymium N42 v\u00e0 N52<\/strong> v\u1edbi nhi\u1ec1u h\u00ecnh d\u1ea1ng, k\u00edch th\u01b0\u1edbc v\u00e0 l\u1edbp ph\u1ee7 kh\u00e1c nhau \u0111\u1ec3 ph\u00f9 h\u1ee3p v\u1edbi c\u00e1c nhu c\u1ea7u hi\u1ec7u su\u1ea5t kh\u00e1c nhau. D\u00f9 b\u1ea1n c\u1ea7n nam ch\u00e2m ch\u00ednh x\u00e1c nh\u1ecf cho c\u1ea3m bi\u1ebfn hay c\u00e1c b\u1ed9 ph\u1eadn c\u00f3 l\u1ef1c m\u1ea1nh cho \u0111\u1ed9ng c\u01a1, ch\u00fang t\u00f4i c\u00f3 th\u1ec3 t\u00f9y ch\u1ec9nh k\u00edch th\u01b0\u1edbc, c\u1ea5p \u0111\u1ed9 v\u00e0 x\u1eed l\u00fd b\u1ec1 m\u1eb7t \u0111\u1ec3 ph\u00f9 h\u1ee3p v\u1edbi \u1ee9ng d\u1ee5ng c\u1ee7a b\u1ea1n.<\/p>\n<p>Ch\u00fang t\u00f4i tu\u00e2n th\u1ee7 nghi\u00eam ng\u1eb7t <strong>ti\u00eau chu\u1ea9n ki\u1ec3m so\u00e1t ch\u1ea5t l\u01b0\u1ee3ng<\/strong> v\u1edbi quy tr\u00ecnh \u0111\u1ea1t ch\u1ee9ng nh\u1eadn ISO \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o m\u1ed7i nam ch\u00e2m \u0111\u00e1p \u1ee9ng c\u00e1c y\u00eau c\u1ea7u v\u1ec1 \u0111\u1ed9 m\u1ea1nh, dung sai v\u00e0 \u0111\u1ed9 b\u1ec1n nh\u1ea5t qu\u00e1n. T\u1ea5t c\u1ea3 c\u00e1c l\u00f4 h\u00e0ng \u0111\u1ec1u \u0111\u01b0\u1ee3c ki\u1ec3m tra v\u1ec1 <strong>hi\u1ec7u su\u1ea5t t\u1eeb t\u00ednh, \u0111\u1ed9 b\u1ec1n l\u1edbp ph\u1ee7 v\u00e0 kh\u1ea3 n\u0103ng ch\u1ecbu nhi\u1ec7t<\/strong> tr\u01b0\u1edbc khi v\u1eadn chuy\u1ec3n.<\/p>\n<p>\u0110\u1ed9i ng\u0169 c\u1ee7a ch\u00fang t\u00f4i l\u00e0m vi\u1ec7c tr\u1ef1c ti\u1ebfp v\u1edbi kh\u00e1ch h\u00e0ng t\u1ea1i Vi\u1ec7t Nam \u0111\u1ec3 gi\u00fap ch\u1ecdn lo\u1ea1i ph\u00f9 h\u1ee3p\u2014d\u00f9 b\u1ea1n c\u1ea7n hi\u1ec7u qu\u1ea3 v\u1ec1 chi ph\u00ed c\u1ee7a N42 hay l\u1ef1c k\u00e9o c\u1ef1c m\u1ea1nh c\u1ee7a N52. Ch\u00fang t\u00f4i c\u0169ng cung c\u1ea5p h\u01b0\u1edbng d\u1eabn v\u1ec1 <strong>t\u00edch h\u1ee3p thi\u1ebft k\u1ebf, c\u00e1c y\u1ebfu t\u1ed1 m\u00f4i tr\u01b0\u1eddng v\u1eadn h\u00e0nh v\u00e0 \u0111\u1ed9 tin c\u1eady l\u00e2u d\u00e0i<\/strong>.<\/p>\n<p>N\u1ebfu b\u1ea1n \u0111ang t\u00ecm ki\u1ebfm m\u1ed9t nh\u00e0 cung c\u1ea5p \u0111\u00e1ng tin c\u1eady cho <strong>nam ch\u00e2m neodymium ch\u1ea5t l\u01b0\u1ee3ng cao t\u1eeb Trung Qu\u1ed1c<\/strong>, h\u00e3y li\u00ean h\u1ec7 v\u1edbi NBAEM ngay h\u00f4m nay. Ch\u00fang t\u00f4i s\u1ebd cung c\u1ea5p c\u00e1c \u0111\u1ec1 xu\u1ea5t chuy\u00ean nghi\u1ec7p, gi\u00e1 c\u1ea3 c\u1ea1nh tranh v\u00e0 giao h\u00e0ng nhanh \u0111\u1ec3 gi\u1eef cho d\u1ef1 \u00e1n c\u1ee7a b\u1ea1n \u0111\u00fang ti\u1ebfn \u0111\u1ed9.<\/p>","protected":false},"excerpt":{"rendered":"<p>T\u00ecm hi\u1ec3u s\u1ef1 kh\u00e1c bi\u1ec7t gi\u1eefa nam ch\u00e2m N42 v\u00e0 N52 bao g\u1ed3m gi\u1edbi h\u1ea1n nhi\u1ec7t \u0111\u1ed9 v\u00e0 \u1ee9ng d\u1ee5ng t\u1ed1t nh\u1ea5t \u0111\u1ec3 ch\u1ecdn lo\u1ea1i neodymium ph\u00f9 h\u1ee3p<\/p>","protected":false},"author":1,"featured_media":2026,"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-2027","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-uncategorized"],"jetpack_featured_media_url":"https:\/\/nbaem.com\/wp-content\/uploads\/2025\/08\/N42_vs_N52_neodymium_magnets_comparison_SzMhSIqFV.webp","_links":{"self":[{"href":"https:\/\/nbaem.com\/vi\/wp-json\/wp\/v2\/posts\/2027","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=2027"}],"version-history":[{"count":1,"href":"https:\/\/nbaem.com\/vi\/wp-json\/wp\/v2\/posts\/2027\/revisions"}],"predecessor-version":[{"id":2029,"href":"https:\/\/nbaem.com\/vi\/wp-json\/wp\/v2\/posts\/2027\/revisions\/2029"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/nbaem.com\/vi\/wp-json\/wp\/v2\/media\/2026"}],"wp:attachment":[{"href":"https:\/\/nbaem.com\/vi\/wp-json\/wp\/v2\/media?parent=2027"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/nbaem.com\/vi\/wp-json\/wp\/v2\/categories?post=2027"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/nbaem.com\/vi\/wp-json\/wp\/v2\/tags?post=2027"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}