{"id":1875,"date":"2025-08-12T06:56:08","date_gmt":"2025-08-12T06:56:08","guid":{"rendered":"https:\/\/nbaem.com\/?p=1875"},"modified":"2025-08-14T02:42:28","modified_gmt":"2025-08-14T02:42:28","slug":"application-of-magnets-for-motor","status":"publish","type":"post","link":"https:\/\/nbaem.com\/vi\/application-of-magnets-for-motor\/","title":{"rendered":"\u1ee8ng d\u1ee5ng c\u1ee7a nam ch\u00e2m cho \u0111\u1ed9ng c\u01a1"},"content":{"rendered":"<p>B\u1ea1n c\u00f3 t\u00f2 m\u00f2 v\u1ec1 <strong>\u1ee9ng d\u1ee5ng c\u1ee7a nam ch\u00e2m cho \u0111\u1ed9ng c\u01a1<\/strong> c\u00f4ng ngh\u1ec7 v\u00e0 c\u00e1ch ch\u00fang th\u00fac \u0111\u1ea9y hi\u1ec7u su\u1ea5t c\u1ee7a m\u1ecdi th\u1ee9, t\u1eeb xe \u0111i\u1ec7n \u0111\u1ebfn m\u00e1y m\u00f3c c\u00f4ng nghi\u1ec7p? Nam ch\u00e2m l\u00e0 tr\u00e1i tim c\u1ee7a \u0111\u1ed9ng c\u01a1 hi\u1ec7n \u0111\u1ea1i, \u0111\u00f3ng vai tr\u00f2 quan tr\u1ecdng trong hi\u1ec7u qu\u1ea3, \u0111\u1ed9 ch\u00ednh x\u00e1c v\u00e0 \u0111\u1ed9 tin c\u1eady. Nh\u01b0ng kh\u00f4ng ph\u1ea3i t\u1ea5t c\u1ea3 c\u00e1c lo\u1ea1i nam ch\u00e2m \u0111\u1ec1u \u0111\u01b0\u1ee3c t\u1ea1o ra nh\u01b0 nhau v\u00e0 vi\u1ec7c ch\u1ecdn \u0111\u00fang v\u1eadt li\u1ec7u t\u1eeb t\u00ednh c\u00f3 th\u1ec3 t\u1ea1o ra s\u1ef1 kh\u00e1c bi\u1ec7t l\u1edbn.<\/p>\n<p>Trong b\u00e0i \u0111\u0103ng n\u00e0y, b\u1ea1n s\u1ebd kh\u00e1m ph\u00e1 ch\u00ednh x\u00e1c c\u00e1c lo\u1ea1i <strong>nam ch\u00e2m<\/strong>, t\u1eeb neodymium \u0111\u1ebfn ferrite, cung c\u1ea5p n\u0103ng l\u01b0\u1ee3ng cho c\u00e1c thi\u1ebft k\u1ebf \u0111\u1ed9ng c\u01a1 kh\u00e1c nhau nh\u01b0 th\u1ebf n\u00e0o \u2014 t\u1eeb \u0111\u1ed9ng c\u01a1 DC kh\u00f4ng ch\u1ed5i than \u0111\u1ebfn \u0111\u1ed9ng c\u01a1 b\u01b0\u1edbc \u2014 v\u00e0 t\u1ea1i sao ch\u1ea5t l\u01b0\u1ee3ng v\u1eadt li\u1ec7u l\u1ea1i l\u00e0 ch\u00eca kh\u00f3a \u0111\u1ec3 \u0111\u1ea1t hi\u1ec7u su\u1ea5t cao nh\u1ea5t. Ngo\u00e0i ra, ch\u00fang t\u00f4i s\u1ebd gi\u1edbi thi\u1ec7u cho b\u1ea1n NBAEM, m\u1ed9t nh\u00e0 cung c\u1ea5p v\u1eadt li\u1ec7u t\u1eeb t\u00ednh \u0111\u00e1ng tin c\u1eady, cung c\u1ea5p c\u00e1c gi\u1ea3i ph\u00e1p ti\u00ean ti\u1ebfn \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf ri\u00eang \u0111\u1ec3 n\u00e2ng cao quy tr\u00ecnh s\u1ea3n xu\u1ea5t \u0111\u1ed9ng c\u01a1 c\u1ee7a b\u1ea1n.<\/p>\n<p>B\u1ea1n \u0111\u00e3 s\u1eb5n s\u00e0ng kh\u00e1m ph\u00e1 nh\u1eefng b\u00ed m\u1eadt \u0111\u1eb1ng sau \u0111\u1ed9ng c\u01a1 hi\u1ec7u su\u1ea5t cao v\u00e0 t\u00ecm hi\u1ec3u c\u00e1ch th\u1ee9c ti\u00ean ti\u1ebfn <strong>v\u1eadt li\u1ec7u t\u1eeb t\u00ednh cho \u0111\u1ed9ng c\u01a1 \u0111i\u1ec7n<\/strong> \u0111ang \u0111\u1ecbnh h\u00ecnh t\u01b0\u01a1ng lai? H\u00e3y c\u00f9ng nhau kh\u00e1m ph\u00e1!<\/p>\n<h2>T\u00ecm hi\u1ec3u v\u1ec1 nam ch\u00e2m trong c\u00f4ng ngh\u1ec7 \u0111\u1ed9ng c\u01a1<\/h2>\n<p>Nam ch\u00e2m l\u00e0 tr\u00e1i tim c\u1ee7a c\u00f4ng ngh\u1ec7 \u0111\u1ed9ng c\u01a1 hi\u1ec7n \u0111\u1ea1i, chuy\u1ec3n \u0111\u1ed5i n\u0103ng l\u01b0\u1ee3ng \u0111i\u1ec7n th\u00e0nh chuy\u1ec3n \u0111\u1ed9ng th\u00f4ng qua l\u1ef1c \u0111i\u1ec7n t\u1eeb. Nguy\u00ean t\u1eafc c\u01a1 b\u1ea3n r\u1ea5t \u0111\u01a1n gi\u1ea3n: khi d\u00f2ng \u0111i\u1ec7n ch\u1ea1y qua cu\u1ed9n d\u00e2y, n\u00f3 t\u1ea1o ra m\u1ed9t t\u1eeb tr\u01b0\u1eddng t\u01b0\u01a1ng t\u00e1c v\u1edbi c\u00e1c t\u1eeb tr\u01b0\u1eddng kh\u00e1c, t\u1ea1o ra chuy\u1ec3n \u0111\u1ed9ng quay. S\u1ef1 t\u01b0\u01a1ng t\u00e1c n\u00e0y \u0111i\u1ec1u khi\u1ec3n r\u00f4to b\u00ean trong \u0111\u1ed9ng c\u01a1 v\u00e0 cung c\u1ea5p n\u0103ng l\u01b0\u1ee3ng cho v\u00f4 s\u1ed1 \u1ee9ng d\u1ee5ng, t\u1eeb thi\u1ebft b\u1ecb gia d\u1ee5ng \u0111\u1ebfn xe \u0111i\u1ec7n.<\/p>\n<h3>C\u00e1c lo\u1ea1i nam ch\u00e2m \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong \u0111\u1ed9ng c\u01a1<\/h3>\n<p>C\u00e1c lo\u1ea1i \u0111\u1ed9ng c\u01a1 kh\u00e1c nhau d\u1ef1a v\u00e0o c\u00e1c lo\u1ea1i nam ch\u00e2m kh\u00e1c nhau t\u00f9y thu\u1ed9c v\u00e0o nhu c\u1ea7u hi\u1ec7u su\u1ea5t, chi ph\u00ed v\u00e0 \u0111i\u1ec1u ki\u1ec7n ho\u1ea1t \u0111\u1ed9ng:<\/p>\n<ul>\n<li><span style=\"color: #ff6600;\"><strong><a style=\"color: #ff6600;\" href=\"https:\/\/nbaem.com\/vi\/products\/neodymium-magnet\/\" target=\"_blank\" rel=\"noopener\">Nam ch\u00e2m Neodymium (NdFeB)<\/a><\/strong><\/span> \u2013 N\u1ed5i ti\u1ebfng v\u1edbi \u0111\u1ed9 b\u1ec1n v\u01b0\u1ee3t tr\u1ed9i v\u00e0 k\u00edch th\u01b0\u1edbc nh\u1ecf g\u1ecdn, khi\u1ebfn ch\u00fang tr\u1edf n\u00ean l\u00fd t\u01b0\u1edfng cho c\u00e1c \u0111\u1ed9ng c\u01a1 hi\u1ec7u su\u1ea5t cao nh\u01b0 \u0111\u1ed9ng c\u01a1 DC kh\u00f4ng ch\u1ed5i than (BLDC) trong xe \u0111i\u1ec7n v\u00e0 robot.<\/li>\n<li><strong><span style=\"color: #ff6600;\"><a style=\"color: #ff6600;\" href=\"https:\/\/nbaem.com\/vi\/products\/ceramic-magnet\/\" target=\"_blank\" rel=\"noopener\">Nam ch\u00e2m ferrite<\/a> \u2013<\/span><\/strong> Gi\u00e1 c\u1ea3 ph\u1ea3i ch\u0103ng v\u00e0 ch\u1ed1ng \u0103n m\u00f2n, \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i trong c\u00e1c thi\u1ebft b\u1ecb gia d\u1ee5ng v\u00e0 qu\u1ea1t, n\u01a1i m\u1eadt \u0111\u1ed9 c\u00f4ng su\u1ea5t cao kh\u00f4ng quan tr\u1ecdng.<\/li>\n<li><a href=\"https:\/\/nbaem.com\/vi\/products\/samarium-cobalt-magnets\/\" target=\"_blank\" rel=\"noopener\"><span style=\"color: #ff6600;\"><strong>Nam ch\u00e2m Samarium-Cobalt (SmCo)<\/strong> <\/span><\/a>\u2013 Cung c\u1ea5p \u0111\u1ed9 \u1ed5n \u0111\u1ecbnh nhi\u1ec7t v\u00e0 kh\u1ea3 n\u0103ng ch\u1ed1ng \u0103n m\u00f2n tuy\u1ec7t v\u1eddi, ph\u00f9 h\u1ee3p cho h\u00e0ng kh\u00f4ng v\u0169 tr\u1ee5, qu\u1ed1c ph\u00f2ng v\u00e0 m\u00f4i tr\u01b0\u1eddng c\u00f4ng nghi\u1ec7p kh\u1eafc nghi\u1ec7t.<\/li>\n<\/ul>\n<h3>Nam ch\u00e2m v\u0129nh c\u1eedu so v\u1edbi nam ch\u00e2m \u0111i\u1ec7n<\/h3>\n<ul>\n<li><strong>Nam ch\u00e2m v\u0129nh c\u1eedu<\/strong> \u2013 Duy tr\u00ec t\u1eeb tr\u01b0\u1eddng c\u1ee7a ch\u00fang m\u00e0 kh\u00f4ng c\u1ea7n ngu\u1ed3n \u0111i\u1ec7n b\u00ean ngo\u00e0i, cho ph\u00e9p thi\u1ebft k\u1ebf \u0111\u1ed9ng c\u01a1 nh\u1ecf g\u1ecdn v\u00e0 hi\u1ec7u qu\u1ea3 cao. Ph\u1ed5 bi\u1ebfn trong \u0111\u1ed9ng c\u01a1 BLDC, \u0111\u1ed9ng c\u01a1 b\u01b0\u1edbc v\u00e0 \u0111\u1ed9ng c\u01a1 \u0111\u1ed3ng b\u1ed9.<\/li>\n<li><strong>Nam ch\u00e2m \u0111i\u1ec7n<\/strong> \u2013 T\u1ea1o ra t\u1eeb tr\u01b0\u1eddng ch\u1ec9 khi \u0111\u01b0\u1ee3c c\u1ea5p ngu\u1ed3n, cho ph\u00e9p \u0111i\u1ec1u ch\u1ec9nh c\u01b0\u1eddng \u0111\u1ed9 t\u1eeb tr\u01b0\u1eddng v\u00e0 ki\u1ec3m so\u00e1t. Th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong \u0111\u1ed9ng c\u01a1 c\u1ea3m \u1ee9ng v\u00e0 c\u00e1c \u1ee9ng d\u1ee5ng y\u00eau c\u1ea7u m\u00f4-men xo\u1eafn bi\u1ebfn \u0111\u1ed5i.<\/li>\n<\/ul>\n<p>Vi\u1ec7c l\u1ef1a ch\u1ecdn gi\u1eefa nam ch\u00e2m v\u0129nh c\u1eedu v\u00e0 electromagnet ph\u1ee5 thu\u1ed9c v\u00e0o hi\u1ec7u su\u1ea5t mong mu\u1ed1n, k\u00edch th\u01b0\u1edbc, chi ph\u00ed v\u00e0 t\u00ednh n\u0103ng ki\u1ec3m so\u00e1t c\u1ee7a \u0111\u1ed9ng c\u01a1. C\u00e1c ti\u1ebfn b\u1ed9 trong <strong>v\u1eadt li\u1ec7u t\u1eeb t\u00ednh cho \u0111\u1ed9ng c\u01a1 \u0111i\u1ec7n<\/strong> hi\u1ec7n nay cho ph\u00e9p c\u00e1c nh\u00e0 s\u1ea3n xu\u1ea5t \u0111\u1ea9y gi\u1edbi h\u1ea1n v\u1ec1 m\u1eadt \u0111\u1ed9 m\u00f4-men xo\u1eafn, hi\u1ec7u qu\u1ea3 n\u0103ng l\u01b0\u1ee3ng v\u00e0 \u0111\u1ed9 tin c\u1eady.<\/p>\n<h2>C\u00e1ch nam ch\u00e2m ho\u1ea1t \u0111\u1ed9ng trong c\u00e1c lo\u1ea1i \u0111\u1ed9ng c\u01a1 kh\u00e1c nhau<\/h2>\n<p>Nam ch\u00e2m \u0111\u00f3ng vai tr\u00f2 kh\u00e1c nhau t\u00f9y thu\u1ed9c v\u00e0o thi\u1ebft k\u1ebf \u0111\u1ed9ng c\u01a1. D\u01b0\u1edbi \u0111\u00e2y l\u00e0 ph\u00e2n t\u00edch nhanh v\u1ec1 c\u00e1ch ch\u00fang ho\u1ea1t \u0111\u1ed9ng trong t\u1eebng lo\u1ea1i.<\/p>\n<h3>\u0110\u1ed9ng c\u01a1 DC kh\u00f4ng ch\u1ed5i than (BLDC)<\/h3>\n<p>\u0110\u1ed9ng c\u01a1 BLDC s\u1eed d\u1ee5ng <strong>nam ch\u00e2m v\u0129nh c\u1eedu<\/strong> (th\u01b0\u1eddng l\u00e0 neodymium) tr\u00ean rotor. Stator c\u00f3 cu\u1ed9n d\u00e2y \u0111\u01b0\u1ee3c c\u1ea5p \u0111i\u1ec7n t\u1eed \u0111\u1ec3 t\u1ea1o ra t\u1eeb tr\u01b0\u1eddng quay.<\/p>\n<ul>\n<li><strong>T\u1ea1i sao n\u00f3 ho\u1ea1t \u0111\u1ed9ng<\/strong>: Kh\u00f4ng ch\u1ed5i than = \u00edt ma s\u00e1t h\u01a1n, hi\u1ec7u qu\u1ea3 cao h\u01a1n.<\/li>\n<li><strong>S\u1eed d\u1ee5ng ph\u1ed5 bi\u1ebfn<\/strong>: Xe \u0111i\u1ec7n, drone, thi\u1ebft b\u1ecb gia d\u1ee5ng.<\/li>\n<\/ul>\n<h3>\u0110\u1ed9ng c\u01a1 b\u01b0\u1edbc<\/h3>\n<p>\u0110\u1ed9ng c\u01a1 b\u01b0\u1edbc di chuy\u1ec3n theo c\u00e1c b\u01b0\u1edbc c\u1ed1 \u0111\u1ecbnh b\u1eb1ng c\u00e1ch k\u00edch ho\u1ea1t c\u00e1c cu\u1ed9n d\u00e2y theo tr\u00ecnh t\u1ef1. Nam ch\u00e2m (v\u0129nh c\u1eedu ho\u1eb7c lai) mang l\u1ea1i m\u00f4-men gi\u1eef ch\u1eb7t m\u1ea1nh m\u1ebd v\u00e0 \u0111\u1ed9 ch\u00ednh x\u00e1c v\u1ecb tr\u00ed cao.<\/p>\n<ul>\n<li><strong>T\u1ea1i sao n\u00f3 ho\u1ea1t \u0111\u1ed9ng<\/strong>: Ki\u1ec3m so\u00e1t \u0111\u1ebfn t\u1eeb l\u1ef1c h\u00fat t\u1eeb tr\u01b0\u1eddng ch\u00ednh x\u00e1c gi\u1eefa r\u0103ng rotor v\u00e0 stator.<\/li>\n<li><strong>S\u1eed d\u1ee5ng ph\u1ed5 bi\u1ebfn<\/strong>: M\u00e1y in 3D, m\u00e1y CNC, robot.<\/li>\n<\/ul>\n<h3>\u0110\u1ed9ng c\u01a1 c\u1ea3m \u1ee9ng<\/h3>\n<p>\u0110\u1ed9ng c\u01a1 c\u1ea3m \u1ee9ng d\u1ef1a v\u00e0o c\u1ea3m \u1ee9ng \u0111i\u1ec7n t\u1eeb \u0111\u1ec3 t\u1ea1o ra chuy\u1ec3n \u0111\u1ed9ng c\u1ee7a rotor. Ch\u00fang kh\u00f4ng s\u1eed d\u1ee5ng nam ch\u00e2m v\u0129nh c\u1eedu\u2014d\u00f2ng \u0111i\u1ec7n trong rotor t\u1ea1o ra t\u1eeb tr\u01b0\u1eddng ri\u00eang c\u1ee7a ch\u00fang.<\/p>\n<ul>\n<li><strong>T\u1ea1i sao n\u00f3 ho\u1ea1t \u0111\u1ed9ng<\/strong>: Thi\u1ebft k\u1ebf \u0111\u01a1n gi\u1ea3n, b\u1ec1n b\u1ec9 cho c\u00f4ng vi\u1ec7c n\u1eb7ng.<\/li>\n<li><strong>S\u1eed d\u1ee5ng ph\u1ed5 bi\u1ebfn<\/strong>: M\u00e1y m\u00f3c c\u00f4ng nghi\u1ec7p, h\u1ec7 th\u1ed1ng HVAC, b\u01a1m.<\/li>\n<\/ul>\n<h3>\u0110\u1ed9ng c\u01a1 \u0111\u1ed3ng b\u1ed9<\/h3>\n<p>\u0110\u1ed9ng c\u01a1 \u0111\u1ed3ng b\u1ed9 c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng nam ch\u00e2m v\u0129nh c\u1eedu trong rotor, kh\u00f3a t\u1ed1c \u0111\u1ed9 ch\u00ednh x\u00e1c theo t\u1ea7n s\u1ed1 ngu\u1ed3n \u0111i\u1ec7n.<\/p>\n<ul>\n<li><strong>T\u1ea1i sao n\u00f3 ho\u1ea1t \u0111\u1ed9ng<\/strong>: Cung c\u1ea5p t\u1ed1c \u0111\u1ed9 \u1ed5n \u0111\u1ecbnh d\u01b0\u1edbi t\u1ea3i tr\u1ecdng thay \u0111\u1ed5i.<\/li>\n<li><strong>S\u1eed d\u1ee5ng ph\u1ed5 bi\u1ebfn<\/strong>Thang m\u00e1y, thi\u1ebft b\u1ecb s\u1ea3n xu\u1ea5t ch\u00ednh x\u00e1c.<\/li>\n<\/ul>\n<h3>C\u00e1c lo\u1ea1i \u0111\u1ed9ng c\u01a1 m\u1edbi n\u1ed5i<\/h3>\n<p>Thi\u1ebft k\u1ebf m\u1edbi nh\u01b0 <strong>\u0111\u1ed9ng c\u01a1 d\u00f2ng ch\u1ea3y tr\u1ee5c<\/strong> v\u00e0 <strong>\u0111\u1ed9ng c\u01a1 t\u1eeb kh\u00e1ng \u0111\u1ed3ng b\u1ed9 kh\u00f4ng nam ch\u00e2m<\/strong> nh\u1eafm \u0111\u1ebfn hi\u1ec7u qu\u1ea3 cao h\u01a1n v\u00e0 tr\u1ecdng l\u01b0\u1ee3ng nh\u1eb9 h\u01a1n.<\/p>\n<ul>\n<li><strong>T\u1ea1i sao \u0111i\u1ec1u n\u00e0y quan tr\u1ecdng<\/strong>: N\u0103ng l\u01b0\u1ee3ng nhi\u1ec1u h\u01a1n trong k\u00edch th\u01b0\u1edbc nh\u1ecf h\u01a1n, ph\u00f9 h\u1ee3p h\u01a1n cho xe \u0111i\u1ec7n v\u00e0 thi\u1ebft b\u1ecb di \u0111\u1ed9ng.<\/li>\n<\/ul>\n<table>\n<thead>\n<tr>\n<th>Lo\u1ea1i \u0111\u1ed9ng c\u01a1<\/th>\n<th>S\u1eed d\u1ee5ng nam ch\u00e2m<\/th>\n<th>\u01afu \u0111i\u1ec3m ch\u00ednh<\/th>\n<th>\u1ee8ng d\u1ee5ng \u0111i\u1ec3n h\u00ecnh<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>\u0110\u1ed9ng c\u01a1 BLDC<\/td>\n<td>Nam ch\u00e2m v\u0129nh c\u1eedu<\/td>\n<td>Hi\u1ec7u qu\u1ea3 cao<\/td>\n<td>Xe \u0111i\u1ec7n, drone, thi\u1ebft b\u1ecb gia d\u1ee5ng<\/td>\n<\/tr>\n<tr>\n<td>B\u01b0\u1edbc<\/td>\n<td>V\u0129nh c\u1eedu\/Hybrid<\/td>\n<td>\u0110i\u1ec1u khi\u1ec3n ch\u00ednh x\u00e1c<\/td>\n<td>CNC, robot, m\u00e1y in 3D<\/td>\n<\/tr>\n<tr>\n<td>H\u01b0\u1edbng d\u1eabn s\u1eed d\u1ee5ng<\/td>\n<td>Kh\u00f4ng c\u00f3<\/td>\n<td>\u0110\u1ed9 b\u1ec1n<\/td>\n<td>C\u00f4ng nghi\u1ec7p, HVAC, b\u01a1m<\/td>\n<\/tr>\n<tr>\n<td>\u0110\u1ed3ng b\u1ed9<\/td>\n<td>Nam ch\u00e2m v\u0129nh c\u1eedu<\/td>\n<td>T\u1ed1c \u0111\u1ed9 \u1ed5n \u0111\u1ecbnh<\/td>\n<td>Thang m\u00e1y, d\u1ee5ng c\u1ee5 ch\u00ednh x\u00e1c<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>\u1ee8ng d\u1ee5ng c\u1ee7a nam ch\u00e2m trong thi\u1ebft k\u1ebf v\u00e0 s\u1ea3n xu\u1ea5t \u0111\u1ed9ng c\u01a1<\/h2>\n<p>Nam ch\u00e2m l\u00e0 ph\u1ea7n c\u1ed1t l\u00f5i c\u1ee7a hi\u1ec7u su\u1ea5t \u0111\u1ed9ng c\u01a1, \u0111\u1eb7c bi\u1ec7t khi n\u00f3i \u0111\u1ebfn m\u00f4-men xo\u1eafn, ki\u1ec3m so\u00e1t t\u1ed1c \u0111\u1ed9 v\u00e0 hi\u1ec7u qu\u1ea3 t\u1ed5ng th\u1ec3. C\u00e1c tr\u01b0\u1eddng t\u1eeb m\u1ea1nh h\u01a1n v\u00e0 \u1ed5n \u0111\u1ecbnh h\u01a1n cho ph\u00e9p \u0111\u1ed9ng c\u01a1 cung c\u1ea5p m\u00f4-men xo\u1eafn cao h\u01a1n m\u00e0 kh\u00f4ng t\u0103ng k\u00edch th\u01b0\u1edbc, \u0111i\u1ec1u n\u00e0y r\u1ea5t quan tr\u1ecdng trong c\u00e1c ng\u00e0nh c\u00f4ng nghi\u1ec7p \u0111\u1ea9y m\u1ea1nh thi\u1ebft k\u1ebf nh\u1ecf g\u1ecdn nh\u01b0ng m\u1ea1nh m\u1ebd. Nam ch\u00e2m \u0111\u1ed9ng c\u01a1 ch\u1ea5t l\u01b0\u1ee3ng cao c\u0169ng gi\u1ea3m t\u1ed5n th\u1ea5t n\u0103ng l\u01b0\u1ee3ng, ngh\u0129a l\u00e0 \u00edt sinh nhi\u1ec7t h\u01a1n v\u00e0 tu\u1ed5i th\u1ecd ho\u1ea1t \u0111\u1ed9ng l\u00e2u h\u01a1n.<\/p>\n<h3>Vai tr\u00f2 trong c\u00e1c \u1ee9ng d\u1ee5ng \u0111\u1ed9ng c\u01a1 kh\u00e1c nhau<\/h3>\n<ul>\n<li><strong>Xe \u0111i\u1ec7n (EVs)<\/strong> \u2013 Nam ch\u00e2m neodymium v\u00e0 c\u00e1c lo\u1ea1i nam ch\u00e2m hi\u1ec7u su\u1ea5t cao kh\u00e1c gi\u00fap \u0111\u1ed9ng c\u01a1 EV t\u0103ng t\u1ed1c m\u1ea1nh m\u1ebd v\u00e0 duy tr\u00ec hi\u1ec7u qu\u1ea3, ngay c\u1ea3 khi t\u1ea3i n\u1eb7ng.<\/li>\n<li><strong>M\u00e1y m\u00f3c c\u00f4ng nghi\u1ec7p<\/strong> \u2013 Nam ch\u00e2m v\u0129nh c\u1eedu trong \u0111\u1ed9ng c\u01a1 c\u00f4ng nghi\u1ec7p t\u0103ng m\u00f4-men xo\u1eafn trong khi ti\u00eau th\u1ee5 \u00edt \u0111i\u1ec7n n\u0103ng h\u01a1n, gi\u00fap n\u00e2ng cao n\u0103ng su\u1ea5t v\u00e0 gi\u1ea3m chi ph\u00ed n\u0103ng l\u01b0\u1ee3ng.<\/li>\n<li><strong>Robot<\/strong> \u2013 Robot ch\u00ednh x\u00e1c ph\u1ee5 thu\u1ed9c v\u00e0o c\u00e1c tr\u01b0\u1eddng t\u1eeb \u1ed5n \u0111\u1ecbnh \u0111\u1ec3 ki\u1ec3m so\u00e1t chuy\u1ec3n \u0111\u1ed9ng ch\u00ednh x\u00e1c v\u00e0 l\u1eb7p l\u1ea1i.<\/li>\n<li><strong>Thi\u1ebft b\u1ecb \u0111i\u1ec7n t\u1eed ti\u00eau d\u00f9ng<\/strong> \u2013 C\u00e1c thi\u1ebft b\u1ecb nh\u1ecf g\u1ecdn nh\u01b0 drone v\u00e0 thi\u1ebft b\u1ecb gia d\u1ee5ng s\u1eed d\u1ee5ng nam ch\u00e2m nh\u1eb9, hi\u1ec7u qu\u1ea3 \u0111\u1ec3 gi\u1ea3m ti\u00eau th\u1ee5 n\u0103ng l\u01b0\u1ee3ng m\u00e0 kh\u00f4ng l\u00e0m gi\u1ea3m hi\u1ec7u su\u1ea5t.<\/li>\n<\/ul>\n<h3>T\u1ea1i sao ch\u1ea5t l\u01b0\u1ee3ng v\u1eadt li\u1ec7u t\u1eeb t\u00ednh l\u1ea1i quan tr\u1ecdng<\/h3>\n<p>\u0110\u1ed9 tin c\u1eady c\u1ee7a \u0111\u1ed9ng c\u01a1 ph\u1ee5 thu\u1ed9c nhi\u1ec1u v\u00e0o \u0111\u1ed9 \u1ed5n \u0111\u1ecbnh v\u00e0 c\u01b0\u1eddng \u0111\u1ed9 c\u1ee7a nam ch\u00e2m. C\u00e1c v\u1eadt li\u1ec7u t\u1eeb k\u00e9m ch\u1ea5t l\u01b0\u1ee3ng c\u00f3 th\u1ec3 m\u1ea5t t\u1eeb t\u00ednh d\u01b0\u1edbi nhi\u1ec7t ho\u1eb7c \u00e1p l\u1ef1c, d\u1eabn \u0111\u1ebfn gi\u1ea3m m\u00f4-men xo\u1eafn v\u00e0 h\u1ecfng \u0111\u1ed9ng c\u01a1 s\u1edbm. C\u00e1c v\u1eadt li\u1ec7u ch\u1ea5t l\u01b0\u1ee3ng cao nh\u01b0 nam ch\u00e2m \u0111\u1ea5t hi\u1ebfm duy tr\u00ec hi\u1ec7u su\u1ea5t trong ph\u1ea1m vi nhi\u1ec7t \u0111\u1ed9 r\u1ed9ng, l\u00e0 l\u1ef1a ch\u1ecdn t\u1ed1t h\u01a1n cho c\u00e1c \u1ee9ng d\u1ee5ng \u0111\u00f2i h\u1ecfi cao.<\/p>\n<h3>V\u00ed d\u1ee5 v\u1ec1 c\u00e1c \u1ee9ng d\u1ee5ng th\u00e0nh c\u00f4ng<\/h3>\n<ul>\n<li><strong>\u0110\u1ed9ng c\u01a1 nam ch\u00e2m v\u0129nh c\u1eedu c\u1ee7a Tesla<\/strong> trong c\u00e1c m\u1eabu xe \u0111i\u1ec7n m\u1edbi n\u00e2ng cao hi\u1ec7u qu\u1ea3 v\u00e0 ph\u1ea1m vi l\u00e1i xe.<\/li>\n<li><strong>M\u00e1y phay CNC<\/strong> d\u1ef1a v\u00e0o nam ch\u00e2m v\u0129nh c\u1eedu m\u1ea1nh m\u1ebd \u0111\u1ec3 duy tr\u00ec t\u1ed1c \u0111\u1ed9 v\u00e0 m\u00f4-men xo\u1eafn c\u1ee7a tr\u1ee5c quay d\u01b0\u1edbi c\u00e1c t\u1ea3i tr\u1ecdng kh\u00e1c nhau.<\/li>\n<li><strong>Thi\u1ebft b\u1ecb h\u00ecnh \u1ea3nh y h\u1ecdc<\/strong> s\u1eed d\u1ee5ng nam ch\u00e2m ch\u1ea5t l\u01b0\u1ee3ng c\u1ef1c cao \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o hi\u1ec7u su\u1ea5t \u1ed5n \u0111\u1ecbnh m\u00e0 kh\u00f4ng g\u00e2y gi\u00e1n \u0111o\u1ea1n ho\u1ea1t \u0111\u1ed9ng.<\/li>\n<\/ul>\n<p>Nam ch\u00e2m m\u1ea1nh m\u1ebd, \u0111\u00e1ng tin c\u1eady kh\u00f4ng ch\u1ec9 l\u00e0 m\u1ed9t th\u00e0nh ph\u1ea7n\u2014 ch\u00fang l\u00e0 l\u00fd do khi\u1ebfn nhi\u1ec1u \u0111\u1ed9ng c\u01a1 hi\u1ec7n \u0111\u1ea1i nh\u1ecf h\u01a1n, nhanh h\u01a1n v\u00e0 hi\u1ec7u qu\u1ea3 h\u01a1n bao gi\u1edd h\u1ebft.<\/p>\n<h2>\u01afu \u0111i\u1ec3m c\u1ee7a v\u1eadt li\u1ec7u t\u1eeb t\u00ednh ch\u1ea5t l\u01b0\u1ee3ng cao t\u1eeb NBAEM<\/h2>\n<p><img decoding=\"async\" src=\"https:\/\/nbaem.com\/wp-content\/uploads\/2025\/08\/High_Performance_Motor_Magnets_ZJV.webp\" alt=\"Nam ch\u00e2m \u0111\u1ed9ng c\u01a1 hi\u1ec7u su\u1ea5t cao\" \/><\/p>\n<p>Khi x\u00e2y d\u1ef1ng c\u00e1c \u0111\u1ed9ng c\u01a1 ho\u1ea1t \u0111\u1ed9ng m\u1ea1nh m\u1ebd h\u01a1n, b\u1ec1n h\u01a1n v\u00e0 duy tr\u00ec hi\u1ec7u qu\u1ea3, ch\u1ea5t l\u01b0\u1ee3ng c\u1ee7a c\u00e1c nam ch\u00e2m b\u00ean trong \u0111\u00f3ng vai tr\u00f2 quy\u1ebft \u0111\u1ecbnh. C\u00e1c v\u1eadt li\u1ec7u t\u1eeb c\u1ee7a NBAEM n\u1ed5i b\u1eadt v\u00ec ch\u00fang \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf v\u1edbi c\u1ea3 hi\u1ec7u su\u1ea5t v\u00e0 \u0111\u1ed9 b\u1ec1n th\u1ef1c t\u1ebf trong t\u00e2m tr\u00ed.<\/p>\n<h3>C\u00e1c \u0111\u1eb7c t\u00ednh \u0111\u1ed9c \u0111\u00e1o gi\u00fap t\u0103ng hi\u1ec7u su\u1ea5t \u0111\u1ed9ng c\u01a1<\/h3>\n<ul>\n<li><strong>C\u01b0\u1eddng \u0111\u1ed9 cao:<\/strong> C\u00e1c nam ch\u00e2m neodymium v\u00e0 c\u00e1c lo\u1ea1i nam ch\u00e2m \u0111\u1ea5t hi\u1ebfm kh\u00e1c c\u1ee7a NBAEM t\u1ea1o ra tr\u01b0\u1eddng t\u1eeb m\u1ea1nh m\u1ebd, t\u0103ng m\u00f4-men xo\u1eafn c\u1ee7a \u0111\u1ed9ng c\u01a1 m\u00e0 kh\u00f4ng l\u00e0m t\u0103ng k\u00edch th\u01b0\u1edbc.<\/li>\n<li><strong>Ch\u1ecbu nhi\u1ec7t:<\/strong> Nh\u1eefng nam ch\u00e2m n\u00e0y gi\u1eef v\u1eefng s\u1ee9c m\u1ea1nh \u1edf nhi\u1ec7t \u0111\u1ed9 ho\u1ea1t \u0111\u1ed9ng cao h\u01a1n, gi\u1ea3m thi\u1ec3u m\u1ea5t hi\u1ec7u su\u1ea5t trong m\u00f4i tr\u01b0\u1eddng kh\u1eafc nghi\u1ec7t.<\/li>\n<li><strong>Ch\u1ed1ng \u0103n m\u00f2n:<\/strong> L\u1edbp ph\u1ee7 b\u1ea3o v\u1ec7 v\u00e0 c\u00e1c x\u1eed l\u00fd v\u1eadt li\u1ec7u ti\u00ean ti\u1ebfn gi\u00fap ng\u0103n ng\u1eeba r\u1ec9 s\u00e9t v\u00e0 oxy h\u00f3a, ngay c\u1ea3 trong c\u00e1c \u1ee9ng d\u1ee5ng ti\u1ebfp x\u00fac v\u1edbi \u0111\u1ed9 \u1ea9m.<\/li>\n<\/ul>\n<h3>Gi\u1ea3i ph\u00e1p t\u00f9y ch\u1ec9nh cho c\u00e1c nhu c\u1ea7u \u0111\u1ed9ng c\u01a1 kh\u00e1c nhau<\/h3>\n<p>Kh\u00f4ng ph\u1ea3i t\u1ea5t c\u1ea3 c\u00e1c \u0111\u1ed9ng c\u01a1 \u0111\u1ec1u ho\u1ea1t \u0111\u1ed9ng trong c\u00f9ng \u0111i\u1ec1u ki\u1ec7n. NBAEM cung c\u1ea5p c\u00e1c lo\u1ea1i nam ch\u00e2m t\u00f9y ch\u1ec9nh theo c\u1ea5p \u0111\u1ed9, k\u00edch th\u01b0\u1edbc v\u00e0 l\u1edbp ph\u1ee7 ph\u00f9 h\u1ee3p v\u1edbi c\u00e1c \u1ee9ng d\u1ee5ng kh\u00e1c nhau\u2014d\u00f9 l\u00e0 \u0111\u1ed9ng c\u01a1 xe \u0111i\u1ec7n ho\u1ea1t \u0111\u1ed9ng n\u00f3ng, kh\u1edbp robot ch\u00ednh x\u00e1c y\u00eau c\u1ea7u nam ch\u00e2m nh\u1ecf hi\u1ec7u su\u1ea5t cao, hay m\u00e1y m\u00f3c c\u00f4ng nghi\u1ec7p c\u1ea7n ho\u1ea1t \u0111\u1ed9ng \u0111\u00e1ng tin c\u1eady h\u00e0ng ng\u00e0y.<\/p>\n<h3>\u0110\u1ed9ng c\u01a1 nh\u1ecf h\u01a1n, nh\u1eb9 h\u01a1n, hi\u1ec7u qu\u1ea3 h\u01a1n<\/h3>\n<p>C\u00e1c v\u1eadt li\u1ec7u ti\u00ean ti\u1ebfn t\u1eeb NBAEM cho ph\u00e9p c\u00e1c nh\u00e0 s\u1ea3n xu\u1ea5t:<\/p>\n<ul>\n<li>Gi\u1ea3m k\u00edch th\u01b0\u1edbc t\u1ed5ng th\u1ec3 c\u1ee7a \u0111\u1ed9ng c\u01a1 m\u00e0 kh\u00f4ng l\u00e0m gi\u1ea3m c\u00f4ng su\u1ea5t.<\/li>\n<li>Gi\u1ea3m tr\u1ecdng l\u01b0\u1ee3ng, \u0111i\u1ec1u n\u00e0y l\u00e0 l\u1ee3i th\u1ebf l\u1edbn trong xe \u0111i\u1ec7n v\u00e0 drone.<\/li>\n<li>C\u1ea3i thi\u1ec7n hi\u1ec7u qu\u1ea3 n\u0103ng l\u01b0\u1ee3ng, gi\u1ea3m ti\u00eau th\u1ee5 \u0111i\u1ec7n n\u0103ng cho c\u1ea3 thi\u1ebft b\u1ecb \u0111i\u1ec7n t\u1eed ti\u00eau d\u00f9ng v\u00e0 h\u1ec7 th\u1ed1ng quy m\u00f4 l\u1edbn.<\/li>\n<\/ul>\n<p>B\u1eb1ng c\u00e1ch k\u1ebft h\u1ee3p s\u1ee9c m\u1ea1nh, \u0111\u1ed9 b\u1ec1n v\u00e0 t\u00f9y ch\u1ec9nh, c\u00e1c nam ch\u00e2m c\u1ee7a NBAEM gi\u00fap th\u00fac \u0111\u1ea9y thi\u1ebft k\u1ebf \u0111\u1ed9ng c\u01a1 ti\u1ebfn b\u1ed9 \u0111\u1ed3ng th\u1eddi \u0111\u00e1p \u1ee9ng c\u00e1c y\u00eau c\u1ea7u v\u1ec1 \u0111\u1ed9 tin c\u1eady v\u00e0 hi\u1ec7u su\u1ea5t c\u1ee7a th\u1ecb tr\u01b0\u1eddng Vi\u1ec7t Nam.<\/p>\n<h2>Nh\u1eefng ti\u1ebfn b\u1ed9 c\u00f4ng ngh\u1ec7 g\u1ea7n \u0111\u00e2y trong v\u1eadt li\u1ec7u t\u1eeb t\u00ednh cho \u0111\u1ed9ng c\u01a1<\/h2>\n<p>C\u00f4ng ngh\u1ec7 t\u1eeb cho \u0111\u1ed9ng c\u01a1 \u0111ang ph\u00e1t tri\u1ec3n nhanh ch\u00f3ng, v\u1edbi nh\u1eefng c\u1ea3i ti\u1ebfn l\u1edbn trong c\u00e1ch v\u1eadt li\u1ec7u \u0111\u01b0\u1ee3c s\u1ea3n xu\u1ea5t v\u00e0 s\u1eed d\u1ee5ng. Xu h\u01b0\u1edbng m\u1edbi t\u1eadp trung v\u00e0o <strong>ph\u00e1t tri\u1ec3n nam ch\u00e2m \u0111\u1ea5t hi\u1ebfm<\/strong>, nhi\u1ec1u <strong>l\u1ef1a ch\u1ecdn b\u1ec1n v\u1eefng h\u01a1n<\/strong>, v\u00e0 c\u00e1c ph\u01b0\u01a1ng ph\u00e1p t\u00e1i ch\u1ebf t\u1ed1t h\u01a1n \u0111\u1ec3 gi\u1eef cho chu\u1ed7i cung \u1ee9ng \u1ed5n \u0111\u1ecbnh. Nam ch\u00e2m neodymium \u0111ang \u0111\u01b0\u1ee3c n\u00e2ng c\u1ea5p v\u1ec1 kh\u1ea3 n\u0103ng ch\u1ecbu nhi\u1ec7t v\u00e0 ch\u1ed1ng \u0103n m\u00f2n, c\u00f3 ngh\u0129a l\u00e0 ch\u00fang c\u00f3 th\u1ec3 x\u1eed l\u00fd m\u00f4i tr\u01b0\u1eddng kh\u1eafc nghi\u1ec7t h\u01a1n v\u00e0 ho\u1ea1t \u0111\u1ed9ng l\u00e2u d\u00e0i m\u00e0 kh\u00f4ng m\u1ea5t \u0111i s\u1ee9c m\u1ea1nh.<\/p>\n<p>Ch\u00fang t\u00f4i c\u0169ng \u0111ang ch\u1ee9ng ki\u1ebfn nh\u1eefng b\u01b0\u1edbc \u0111\u1ed9t ph\u00e1 th\u00fac \u0111\u1ea9y <strong>hi\u1ec7u su\u1ea5t \u0111i\u1ec7n t\u1eeb<\/strong>. V\u1eadt li\u1ec7u t\u1eeb nh\u1eb9 h\u01a1n nh\u01b0ng m\u1ea1nh h\u01a1n hi\u1ec7n cho ph\u00e9p c\u00e1c nh\u00e0 thi\u1ebft k\u1ebf l\u00e0m \u0111\u1ed9ng c\u01a1 nh\u1ecf h\u01a1n, hi\u1ec7u qu\u1ea3 h\u01a1n v\u00e0 linh ho\u1ea1t trong b\u1ed1 c\u1ee5c. \u0110i\u1ec1u n\u00e0y gi\u00fap \u00edch trong c\u00e1c ng\u00e0nh nh\u01b0 xe \u0111i\u1ec7n, robot v\u00e0 thi\u1ebft b\u1ecb y t\u1ebf, n\u01a1i kh\u00f4ng gian v\u00e0 hi\u1ec7u qu\u1ea3 l\u00e0 y\u1ebfu t\u1ed1 then ch\u1ed1t.<\/p>\n<p>B\u1ec1n v\u1eefng c\u0169ng \u0111ang ng\u00e0y c\u00e0ng \u0111\u01b0\u1ee3c ch\u00fa tr\u1ecdng. C\u00e1c quy tr\u00ecnh t\u00e1i ch\u1ebf c\u1ea3i ti\u1ebfn thu h\u1ed3i c\u00e1c nguy\u00ean t\u1ed1 \u0111\u1ea5t hi\u1ebfm t\u1eeb c\u00e1c \u0111\u1ed9ng c\u01a1 \u0111\u00e3 qua s\u1eed d\u1ee5ng, gi\u1ea3m ch\u1ea5t th\u1ea3i v\u00e0 gi\u1ea3m nhu c\u1ea7u khai th\u00e1c m\u1edbi. Th\u00eam v\u00e0o \u0111\u00f3, c\u00e1c lo\u1ea1i nam ch\u00e2m composite m\u1edbi \u0111ang \u0111\u01b0\u1ee3c th\u1eed nghi\u1ec7m \u0111\u1ec3 thay th\u1ebf m\u1ed9t ph\u1ea7n n\u1ed9i dung \u0111\u1ea5t hi\u1ebfm m\u00e0 kh\u00f4ng l\u00e0m gi\u1ea3m hi\u1ec7u su\u1ea5t.<\/p>\n<h2>C\u00e1ch ch\u1ecdn nam ch\u00e2m ph\u00f9 h\u1ee3p cho \u1ee9ng d\u1ee5ng \u0111\u1ed9ng c\u01a1 c\u1ee7a b\u1ea1n<\/h2>\n<p>L\u1ef1a ch\u1ecdn <strong>nam ch\u00e2m \u0111\u1ed9ng c\u01a1<\/strong> ph\u1ee5 thu\u1ed9c v\u00e0o vi\u1ec7c b\u1ea1n c\u1ea7n g\u00ec cho \u0111\u1ed9ng c\u01a1 c\u1ee7a m\u00ecnh v\u00e0 n\u01a1i n\u00f3 s\u1ebd ho\u1ea1t \u0111\u1ed9ng. C\u00e1c lo\u1ea1i nam ch\u00e2m kh\u00e1c nhau mang l\u1ea1i c\u00e1c m\u1ee9c hi\u1ec7u su\u1ea5t kh\u00e1c nhau, v\u00ec v\u1eady vi\u1ec7c ph\u00f9 h\u1ee3p ch\u00fang v\u1edbi \u1ee9ng d\u1ee5ng c\u1ee7a b\u1ea1n l\u00e0 ch\u00eca kh\u00f3a \u0111\u1ec3 t\u1ed1i \u01b0u h\u00f3a hi\u1ec7u qu\u1ea3, tu\u1ed5i th\u1ecd v\u00e0 ki\u1ec3m so\u00e1t chi ph\u00ed.<\/p>\n<h3>K\u1ebft h\u1ee3p lo\u1ea1i nam ch\u00e2m v\u1edbi hi\u1ec7u su\u1ea5t \u0111\u1ed9ng c\u01a1<\/h3>\n<ul>\n<li><strong>Neodymi<\/strong> - T\u1ed1t nh\u1ea5t cho c\u00f4ng su\u1ea5t cao trong c\u00e1c \u0111\u1ed9ng c\u01a1 nh\u1ecf g\u1ecdn (v\u00ed d\u1ee5, xe \u0111i\u1ec7n, drone).<\/li>\n<li><strong>S\u1eaft ferrit<\/strong> - Gi\u00e1 c\u1ea3 ph\u1ea3i ch\u0103ng v\u00e0 ch\u1ed1ng \u0103n m\u00f2n, ph\u00f9 h\u1ee3p cho m\u00e1y m\u00f3c chung.<\/li>\n<li><strong>Samari-Coban<\/strong> - Ho\u1ea1t \u0111\u1ed9ng t\u1ed1t trong m\u00f4i tr\u01b0\u1eddng nhi\u1ec7t \u0111\u1ed9 cao ho\u1eb7c kh\u1eafc nghi\u1ec7t.<\/li>\n<li><strong>Nam ch\u00e2m \u0111i\u1ec7n<\/strong> - Th\u01b0\u1eddng d\u00f9ng trong c\u00e1c \u0111\u1ed9ng c\u01a1 c\u1ea7n \u0111i\u1ec1u ch\u1ec9nh c\u01b0\u1eddng \u0111\u1ed9 t\u1eeb tr\u01b0\u1eddng.<\/li>\n<\/ul>\n<table>\n<thead>\n<tr>\n<th>Lo\u1ea1i nam ch\u00e2m<\/th>\n<th>M\u1ee9c \u0111\u1ed9 m\u1ea1nh<\/th>\n<th>Ch\u1ecbu nhi\u1ec7t<\/th>\n<th>Ch\u1ed1ng \u0103n m\u00f2n<\/th>\n<th>\u1ee8ng d\u1ee5ng ch\u00ednh<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Neodymi<\/td>\n<td>R\u1ea5t cao<\/td>\n<td>V\u1eeba ph\u1ea3i<\/td>\n<td>C\u1ea7n ph\u1ee7 l\u1edbp<\/td>\n<td>Xe \u0111i\u1ec7n, robot<\/td>\n<\/tr>\n<tr>\n<td>S\u1eaft ferrit<\/td>\n<td>Trung b\u00ecnh<\/td>\n<td>Cao<\/td>\n<td>Cao<\/td>\n<td>Qu\u1ea1t, thi\u1ebft b\u1ecb gia d\u1ee5ng<\/td>\n<\/tr>\n<tr>\n<td>Samari-Coban<\/td>\n<td>Cao<\/td>\n<td>R\u1ea5t cao<\/td>\n<td>Cao<\/td>\n<td>H\u00e0ng kh\u00f4ng v\u0169 tr\u1ee5, \u0111\u1ed9ng c\u01a1 ch\u1ecbu nhi\u1ec7t cao<\/td>\n<\/tr>\n<tr>\n<td>T\u1eeb tr\u01b0\u1eddng<\/td>\n<td>\u0110i\u1ec1u ch\u1ec9nh \u0111\u01b0\u1ee3c<\/td>\n<td>Ph\u1ee5 thu\u1ed9c v\u00e0o cu\u1ed9n d\u00e2y<\/td>\n<td>Ph\u1ee5 thu\u1ed9c v\u00e0o thi\u1ebft k\u1ebf<\/td>\n<td>\u0110\u1ed9ng c\u01a1 c\u00f4ng nghi\u1ec7p, t\u1ed1c \u0111\u1ed9 bi\u1ebfn \u0111\u1ed5i<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h3>C\u00e1c y\u1ebfu t\u1ed1 ch\u00ednh c\u1ea7n xem x\u00e9t<\/h3>\n<ul>\n<li><strong>M\u00f4i tr\u01b0\u1eddng v\u1eadn h\u00e0nh<\/strong> \u2013 \u0110\u1ed9ng c\u01a1 c\u00f3 ti\u1ebfp x\u00fac v\u1edbi nhi\u1ec7t, \u0111\u1ed9 \u1ea9m ho\u1eb7c rung kh\u00f4ng?<\/li>\n<li><strong>Ph\u1ea1m vi nhi\u1ec7t \u0111\u1ed9<\/strong> \u2013 Nhi\u1ec7t \u0111\u1ed9 cao h\u01a1n c\u00f3 th\u1ec3 y\u00eau c\u1ea7u Samarium-Cobalt thay v\u00ec Neodymium.<\/li>\n<li><strong>\u00c1p l\u1ef1c c\u01a1 h\u1ecdc<\/strong> \u2013 C\u00e1c thi\u1ebft l\u1eadp ch\u1ecbu t\u00e1c \u0111\u1ed9ng m\u1ea1nh c\u1ea7n nam ch\u00e2m c\u00f3 \u0111\u1ed9 b\u1ec1n c\u1ea5u tr\u00fac cao.<\/li>\n<li><strong>Gi\u1edbi h\u1ea1n k\u00edch th\u01b0\u1edbc v\u00e0 tr\u1ecdng l\u01b0\u1ee3ng<\/strong> \u2013 Nam ch\u00e2m hi\u1ec7u su\u1ea5t cao c\u00f3 th\u1ec3 gi\u1ea3m k\u00edch th\u01b0\u1edbc v\u00e0 tr\u1ecdng l\u01b0\u1ee3ng c\u1ee7a \u0111\u1ed9ng c\u01a1.<\/li>\n<\/ul>\n<h3>H\u1ed7 tr\u1ee3 NBAEM cho vi\u1ec7c l\u1ef1a ch\u1ecdn nam ch\u00e2m<\/h3>\n<p>NBAEM cung c\u1ea5p:<\/p>\n<ul>\n<li><strong>Thi\u1ebft k\u1ebf nam ch\u00e2m t\u00f9y ch\u1ec9nh<\/strong> \u0111\u1ec3 ph\u00f9 h\u1ee3p v\u1edbi c\u00e1c m\u1ee5c ti\u00eau v\u1ec1 m\u00f4-men xo\u1eafn, t\u1ed1c \u0111\u1ed9 v\u00e0 hi\u1ec7u qu\u1ea3 c\u1ee5 th\u1ec3.<\/li>\n<li><strong>Ki\u1ec3m tra v\u00e0 ph\u00e2n t\u00edch v\u1eadt li\u1ec7u<\/strong> \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o \u0111\u1ed9 tin c\u1eady trong th\u1ecb tr\u01b0\u1eddng c\u00f4ng nghi\u1ec7p v\u00e0 ti\u00eau d\u00f9ng t\u1ea1i Vi\u1ec7t Nam.<\/li>\n<li><strong>D\u1ecbch v\u1ee5 t\u01b0 v\u1ea5n<\/strong> \u0111\u1ec3 gi\u00fap ch\u1ecdn v\u1eadt li\u1ec7u t\u1eeb t\u00ednh ph\u00f9 h\u1ee3p cho h\u1ec7 th\u1ed1ng \u0111\u1ed9ng c\u01a1 c\u1ee7a b\u1ea1n.<\/li>\n<\/ul>\n<p>Kinh nghi\u1ec7m c\u1ee7a NBAEM trong <strong>s\u1ea3n xu\u1ea5t nam ch\u00e2m \u0111\u1ed9ng c\u01a1<\/strong> ngh\u0129a l\u00e0 b\u1ea1n nh\u1eadn \u0111\u01b0\u1ee3c nam ch\u00e2m kh\u00f4ng ch\u1ec9 \u0111\u01b0\u1ee3c ch\u1ebf t\u1ea1o \u0111\u1ec3 \u0111\u1ea1t hi\u1ec7u su\u1ea5t m\u00e0 c\u00f2n ph\u00f9 h\u1ee3p v\u1edbi y\u00eau c\u1ea7u ng\u00e0y nay trong xe \u0111i\u1ec7n, robot v\u00e0 m\u00e1y m\u00f3c c\u00f4ng nghi\u1ec7p.<\/p>","protected":false},"excerpt":{"rendered":"<p>Kh\u00e1m ph\u00e1 \u1ee9ng d\u1ee5ng c\u1ee7a nam ch\u00e2m cho hi\u1ec7u su\u1ea5t \u0111\u1ed9ng c\u01a1, c\u00e1c lo\u1ea1i, l\u1ee3i \u00edch v\u00e0 c\u00e1ch NBAEM cung c\u1ea5p v\u1eadt li\u1ec7u t\u1eeb t\u00ednh ch\u1ea5t l\u01b0\u1ee3ng cao<\/p>","protected":false},"author":1,"featured_media":1874,"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-1875","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\/Application_of_magnets_for_motor_Ce8.webp","_links":{"self":[{"href":"https:\/\/nbaem.com\/vi\/wp-json\/wp\/v2\/posts\/1875","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=1875"}],"version-history":[{"count":3,"href":"https:\/\/nbaem.com\/vi\/wp-json\/wp\/v2\/posts\/1875\/revisions"}],"predecessor-version":[{"id":1903,"href":"https:\/\/nbaem.com\/vi\/wp-json\/wp\/v2\/posts\/1875\/revisions\/1903"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/nbaem.com\/vi\/wp-json\/wp\/v2\/media\/1874"}],"wp:attachment":[{"href":"https:\/\/nbaem.com\/vi\/wp-json\/wp\/v2\/media?parent=1875"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/nbaem.com\/vi\/wp-json\/wp\/v2\/categories?post=1875"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/nbaem.com\/vi\/wp-json\/wp\/v2\/tags?post=1875"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}