{"id":3000,"date":"2025-09-22T06:17:15","date_gmt":"2025-09-22T06:17:15","guid":{"rendered":"https:\/\/nbaem.com\/?p=3000"},"modified":"2025-09-22T06:38:41","modified_gmt":"2025-09-22T06:38:41","slug":"introduction-to-rotor-magnet","status":"publish","type":"post","link":"https:\/\/nbaem.com\/vi\/introduction-to-rotor-magnet\/","title":{"rendered":"Gi\u1edbi thi\u1ec7u v\u1ec1 Nam ch\u00e2m Rotor"},"content":{"rendered":"<h2>Hi\u1ec3u bi\u1ebft v\u1ec1 Nam ch\u00e2m Rotor<\/h2>\n<h3>\u0110\u1ecbnh ngh\u0129a v\u1ec1 Nam ch\u00e2m Rotor<\/h3>\n<p>Nam ch\u00e2m rotor l\u00e0 m\u1ed9t th\u00e0nh ph\u1ea7n t\u1eeb tr\u01b0\u1eddng ch\u00ednh g\u1eafn v\u00e0o ph\u1ea7n quay c\u1ee7a \u0111\u1ed9ng c\u01a1 ho\u1eb7c m\u00e1y ph\u00e1t \u0111i\u1ec7n g\u1ecdi l\u00e0 rotor. Nh\u1eefng nam ch\u00e2m n\u00e0y t\u1ea1o ra m\u1ed9t tr\u01b0\u1eddng t\u1eeb t\u01b0\u01a1ng t\u00e1c v\u1edbi stator \u0111\u1ec3 t\u1ea1o ra chuy\u1ec3n \u0111\u1ed9ng ho\u1eb7c \u0111i\u1ec7n n\u0103ng. V\u1ec1 b\u1ea3n ch\u1ea5t, nam ch\u00e2m rotor chuy\u1ec3n \u0111\u1ed5i n\u0103ng l\u01b0\u1ee3ng \u0111i\u1ec7n th\u00e0nh n\u0103ng l\u01b0\u1ee3ng c\u01a1 ho\u1eb7c ng\u01b0\u1ee3c l\u1ea1i, t\u00f9y thu\u1ed9c v\u00e0o thi\u1ebft b\u1ecb.<\/p>\n<h3>Vai tr\u00f2 c\u1ee7a Nam ch\u00e2m Rotor trong \u0110\u1ed9ng c\u01a1 v\u00e0 M\u00e1y ph\u00e1t \u0111i\u1ec7n<\/h3>\n<p>Trong \u0111\u1ed9ng c\u01a1, nam ch\u00e2m rotor t\u1ea1o ra tr\u01b0\u1eddng t\u1eeb ho\u1ea1t \u0111\u1ed9ng ch\u1ed1ng l\u1ea1i tr\u01b0\u1eddng t\u1eeb c\u1ee7a stator, khi\u1ebfn rotor quay v\u00e0 t\u1ea1o ra c\u00f4ng su\u1ea5t c\u01a1 h\u1ecdc. Trong m\u00e1y ph\u00e1t \u0111i\u1ec7n, nam ch\u00e2m rotor c\u1eaft qua c\u00e1c qu\u1ea5n d\u00e2y c\u1ee7a stator, g\u00e2y c\u1ea3m \u1ee9ng d\u00f2ng \u0111i\u1ec7n nh\u1edd c\u1ea3m \u1ee9ng \u0111i\u1ec7n t\u1eeb. S\u1ef1 t\u01b0\u01a1ng t\u00e1c n\u00e0y cho ph\u00e9p chuy\u1ec3n \u0111\u1ed5i n\u0103ng l\u01b0\u1ee3ng hi\u1ec7u qu\u1ea3 trong c\u1ea3 hai h\u1ec7 th\u1ed1ng.<\/p>\n<h3>T\u01b0\u01a1ng t\u00e1c v\u1edbi c\u00e1c th\u00e0nh ph\u1ea7n c\u1ee7a Stator<\/h3>\n<p>Nam ch\u00e2m rotor v\u00e0 c\u00e1c th\u00e0nh ph\u1ea7n c\u1ee7a stator ho\u1ea1t \u0111\u1ed9ng c\u00f9ng nhau m\u1ed9t c\u00e1ch ch\u1eb7t ch\u1ebd. Stator, th\u01b0\u1eddng c\u1ed1 \u0111\u1ecbnh v\u00e0 \u0111\u01b0\u1ee3c trang b\u1ecb cu\u1ed9n d\u00e2y ho\u1eb7c nam ch\u00e2m, cung c\u1ea5p m\u1ed9t tr\u01b0\u1eddng t\u1eeb c\u1ed1 \u0111\u1ecbnh. C\u00e1c nam ch\u00e2m c\u1ee7a rotor quay trong tr\u01b0\u1eddng n\u00e0y, t\u1ea1o ra m\u00f4-men xo\u1eafn li\u00ean t\u1ee5c ho\u1eb7c \u0111\u1ea7u ra \u0111i\u1ec7n th\u00f4ng qua s\u1ef1 h\u00fat v\u00e0 \u0111\u1ea9y t\u1eeb tr\u01b0\u1eddng. T\u01b0\u01a1ng t\u00e1c \u0111\u1ed9ng n\u00e0y r\u1ea5t quan tr\u1ecdng \u0111\u1ec3 v\u1eadn h\u00e0nh tr\u01a1n tru v\u00e0 truy\u1ec1n n\u0103ng l\u01b0\u1ee3ng hi\u1ec7u qu\u1ea3.<\/p>\n<h3>Nguy\u00ean l\u00fd c\u01a1 b\u1ea3n c\u1ee7a c\u00e1c tr\u01b0\u1eddng t\u1eeb trong m\u00e1y quay<\/h3>\n<p>C\u00e1c tr\u01b0\u1eddng t\u1eeb trong nam ch\u00e2m rotor tu\u00e2n theo c\u00e1c \u0111\u1ecbnh lu\u1eadt c\u01a1 b\u1ea3n c\u1ee7a \u0111i\u1ec7n t\u1eeb h\u1ecdc. C\u00e1c c\u1ef1c t\u1eeb c\u1ee7a rotor (b\u1eafc v\u00e0 nam) t\u01b0\u01a1ng t\u00e1c v\u1edbi c\u00e1c c\u1ef1c t\u1eeb c\u1ee7a stator, t\u1ea1o ra l\u1ef1c g\u00e2y quay. S\u1ef1 c\u0103n ch\u1ec9nh v\u00e0 c\u01b0\u1eddng \u0111\u1ed9 c\u1ee7a c\u00e1c tr\u01b0\u1eddng n\u00e0y quy\u1ebft \u0111\u1ecbnh hi\u1ec7u su\u1ea5t c\u1ee7a \u0111\u1ed9ng c\u01a1 ho\u1eb7c m\u00e1y ph\u00e1t \u0111i\u1ec7n. Qu\u1ea3n l\u00fd tr\u01b0\u1eddng t\u1eeb hi\u1ec7u qu\u1ea3 \u0111\u1ea3m b\u1ea3o m\u00f4-men xo\u1eafn t\u1ed1i \u0111a, hi\u1ec7u su\u1ea5t v\u00e0 \u0111\u1ed9 tin c\u1eady trong m\u00e1y quay.<\/p>\n<p>B\u1eb1ng c\u00e1ch hi\u1ec3u c\u00e1ch ho\u1ea1t \u0111\u1ed9ng v\u00e0 t\u01b0\u01a1ng t\u00e1c c\u1ee7a nam ch\u00e2m rotor trong c\u00e1c h\u1ec7 th\u1ed1ng n\u00e0y, c\u00e1c nh\u00e0 thi\u1ebft k\u1ebf v\u00e0 k\u1ef9 s\u01b0 c\u00f3 th\u1ec3 t\u1ed1i \u01b0u h\u00f3a hi\u1ec7u su\u1ea5t c\u1ee7a \u0111\u1ed9ng c\u01a1 v\u00e0 m\u00e1y ph\u00e1t \u0111i\u1ec7n cho nhi\u1ec1u \u1ee9ng d\u1ee5ng kh\u00e1c nhau.<\/p>\n<h2>C\u00e1c lo\u1ea1i Nam ch\u00e2m Rotor<\/h2>\n<div id=\"attachment_2389\" style=\"width: 204px\" class=\"wp-caption alignnone\"><img decoding=\"async\" aria-describedby=\"caption-attachment-2389\" class=\"size-medium wp-image-2389\" src=\"https:\/\/nbaem.com\/wp-content\/uploads\/2025\/09\/Xnip2025-09-12_09-58-18-194x300.jpg\" alt=\"b\u1ed9 ph\u1eadn nam ch\u00e2m rotor\" width=\"194\" height=\"300\" srcset=\"https:\/\/nbaem.com\/wp-content\/uploads\/2025\/09\/Xnip2025-09-12_09-58-18-8x12.jpg 8w, https:\/\/nbaem.com\/wp-content\/uploads\/2025\/09\/Xnip2025-09-12_09-58-18-194x300.jpg 194w, https:\/\/nbaem.com\/wp-content\/uploads\/2025\/09\/Xnip2025-09-12_09-58-18-200x309.jpg 200w, https:\/\/nbaem.com\/wp-content\/uploads\/2025\/09\/Xnip2025-09-12_09-58-18.jpg 340w\" sizes=\"(max-width: 194px) 100vw, 194px\" \/><p id=\"caption-attachment-2389\" class=\"wp-caption-text\">b\u1ed9 ph\u1eadn nam ch\u00e2m rotor<\/p><\/div>\n<p>Khi n\u00f3i \u0111\u1ebfn nam ch\u00e2m rotor, c\u00f3 hai lo\u1ea1i ch\u00ednh: nam ch\u00e2m v\u0129nh c\u1eedu v\u00e0 rotor \u0111i\u1ec7n t\u1eeb.<\/p>\n<p><strong>Nam ch\u00e2m v\u0129nh c\u1eedu<\/strong> \u0111\u01b0\u1ee3c l\u00e0m t\u1eeb c\u00e1c v\u1eadt li\u1ec7u gi\u1eef \u0111\u01b0\u1ee3c t\u00ednh ch\u1ea5t t\u1eeb c\u1ee7a ch\u00fang m\u00e0 kh\u00f4ng c\u1ea7n ngu\u1ed3n n\u0103ng l\u01b0\u1ee3ng b\u1ed5 sung. Ch\u00fang ph\u1ed5 bi\u1ebfn trong c\u00e1c \u0111\u1ed9ng c\u01a1 kh\u00f4ng ch\u1ed5i than DC v\u00e0 c\u00e1c thi\u1ebft k\u1ebf hi\u1ec7u qu\u1ea3 kh\u00e1c v\u00ec gi\u1ea3m t\u1ed5n th\u1ea5t n\u0103ng l\u01b0\u1ee3ng. <strong>Rotor \u0111i\u1ec7n t\u1eeb<\/strong> s\u1eed d\u1ee5ng cu\u1ed9n d\u00e2y d\u1eabn t\u1ea1o ra tr\u01b0\u1eddng t\u1eeb ch\u1ec9 khi d\u00f2ng \u0111i\u1ec7n ch\u1ea1y qua ch\u00fang. C\u00e1c rotor n\u00e0y cung c\u1ea5p kh\u1ea3 n\u0103ng ki\u1ec3m so\u00e1t t\u1ed1t h\u01a1n nh\u01b0ng th\u01b0\u1eddng c\u1ea7n nhi\u1ec1u n\u0103ng l\u01b0\u1ee3ng h\u01a1n v\u00e0 h\u1ec7 th\u1ed1ng \u0111i\u1ec1u khi\u1ec3n ph\u1ee9c t\u1ea1p h\u01a1n.<\/p>\n<h3>C\u00e1c v\u1eadt li\u1ec7u t\u1eeb ph\u1ed5 bi\u1ebfn<\/h3>\n<p>H\u1ea7u h\u1ebft c\u00e1c nam ch\u00e2m rotor v\u0129nh c\u1eedu s\u1eed d\u1ee5ng v\u1eadt li\u1ec7u \u0111\u1ea5t hi\u1ebfm \u0111\u1ec3 cung c\u1ea5p hi\u1ec7u su\u1ea5t t\u1eeb m\u1ea1nh m\u1ebd:<\/p>\n<ul>\n<li><strong>Neodymium (NdFeB)<\/strong> nam ch\u00e2m l\u00e0 l\u1ef1a ch\u1ecdn h\u00e0ng \u0111\u1ea7u trong nhi\u1ec1u ng\u00e0nh c\u00f4ng nghi\u1ec7p t\u1ea1i Vi\u1ec7t Nam v\u00ec ch\u00fang cung c\u1ea5p s\u1ee9c m\u1ea1nh t\u1eeb \u0111\u00e1ng kinh ng\u1ea1c v\u00e0 c\u00f3 chi ph\u00ed h\u1ee3p l\u00fd.<\/li>\n<li><strong>Cobalt samari<\/strong> nam ch\u00e2m v\u01b0\u1ee3t tr\u1ed9i trong m\u00f4i tr\u01b0\u1eddng nhi\u1ec7t \u0111\u1ed9 cao v\u00e0 ch\u1ed1ng \u0103n m\u00f2n t\u1ed1t.<\/li>\n<li><strong>Nam ch\u00e2m ferrite<\/strong> \u00edt h\u01a1n v\u00e0 ch\u1ecbu nhi\u1ec7t t\u1ed1t h\u01a1n nh\u01b0ng c\u00f3 s\u1ee9c m\u1ea1nh t\u1eeb y\u1ebfu h\u01a1n so v\u1edbi lo\u1ea1i \u0111\u1ea5t hi\u1ebfm.<\/li>\n<\/ul>\n<h3>Ph\u00e2n lo\u1ea1i h\u00ecnh d\u1ea1ng v\u00e0 thi\u1ebft k\u1ebf<\/h3>\n<p>Nam ch\u00e2m rotor c\u0169ng c\u00f3 nhi\u1ec1u h\u00ecnh d\u1ea1ng v\u00e0 ki\u1ec3u l\u1eafp \u0111\u1eb7t kh\u00e1c nhau d\u1ef1a tr\u00ean \u1ee9ng d\u1ee5ng c\u1ee7a ch\u00fang:<\/p>\n<ul>\n<li><strong>Nam ch\u00e2m g\u1eafn tr\u00ean b\u1ec1 m\u1eb7t<\/strong> \u0111\u01b0\u1ee3c d\u00e1n ho\u1eb7c g\u1eafn tr\u00ean b\u1ec1 m\u1eb7t rotor. Ch\u00fang d\u1ec5 ch\u1ebf t\u1ea1o v\u00e0 s\u1eeda ch\u1eefa h\u01a1n, nh\u01b0ng nam ch\u00e2m d\u1ec5 b\u1ecb t\u1ed5n th\u01b0\u01a1ng h\u01a1n.<\/li>\n<li><strong>Nam ch\u00e2m ch\u00f4n<\/strong> \u0111\u01b0\u1ee3c \u0111\u1eb7t b\u00ean trong rotor, mang l\u1ea1i kh\u1ea3 n\u0103ng b\u1ea3o v\u1ec7 t\u1ed1t h\u01a1n v\u00e0 \u0111\u1ed9 b\u1ec1n c\u01a1 h\u1ecdc cao h\u01a1n, ph\u00f9 h\u1ee3p cho c\u00e1c \u1ee9ng d\u1ee5ng t\u1ed1c \u0111\u1ed9 cao.<\/li>\n<li><strong>Nam ch\u00e2m l\u1ed3ng<\/strong> ng\u1ed3i ph\u1eb3ng trong b\u1ec1 m\u1eb7t rotor \u0111\u1ec3 c\u00e2n b\u1eb1ng gi\u1eefa kh\u1ea3 n\u0103ng b\u1ea3o v\u1ec7 v\u00e0 t\u01b0\u01a1ng t\u00e1c t\u1eeb hi\u1ec7u qu\u1ea3.<\/li>\n<\/ul>\n<h3>\u01afu \u0111i\u1ec3m v\u00e0 nh\u01b0\u1ee3c \u0111i\u1ec3m<\/h3>\n<table>\n<thead>\n<tr>\n<th>Lo\u1ea1i<\/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>Nam ch\u00e2m v\u0129nh c\u1eedu<\/td>\n<td>Hi\u1ec7u qu\u1ea3 cao, t\u1ed5n th\u1ea5t n\u0103ng l\u01b0\u1ee3ng th\u1ea5p, nh\u1ecf g\u1ecdn<\/td>\n<td>C\u00f3 th\u1ec3 m\u1ea5t t\u1eeb t\u00ednh d\u01b0\u1edbi nhi\u1ec7t ho\u1eb7c \u00e1p l\u1ef1c<\/td>\n<\/tr>\n<tr>\n<td>Rotor \u0111i\u1ec7n t\u1eeb<\/td>\n<td>\u0110i\u1ec1u ch\u1ec9nh t\u1eeb tr\u01b0\u1eddng, ki\u1ec3m so\u00e1t t\u1ed1t h\u01a1n<\/td>\n<td>Ti\u00eau th\u1ee5 n\u0103ng l\u01b0\u1ee3ng cao h\u01a1n, thi\u1ebft k\u1ebf ph\u1ee9c t\u1ea1p<\/td>\n<\/tr>\n<tr>\n<td>G\u1eafn tr\u00ean b\u1ec1 m\u1eb7t<\/td>\n<td>D\u1ec5 l\u1eafp \u0111\u1eb7t v\u00e0 b\u1ea3o tr\u00ec<\/td>\n<td>D\u1ec5 b\u1ecb t\u1ed5n th\u01b0\u01a1ng h\u01a1n<\/td>\n<\/tr>\n<tr>\n<td>Nam ch\u00e2m ch\u00f4n<\/td>\n<td>\u1ed4n \u0111\u1ecbnh c\u01a1 h\u1ecdc m\u1ea1nh m\u1ebd h\u01a1n<\/td>\n<td>\u0110\u1eaft h\u01a1n v\u00e0 ph\u1ee9c t\u1ea1p h\u01a1n \u0111\u1ec3 ch\u1ebf t\u1ea1o<\/td>\n<\/tr>\n<tr>\n<td>Nam ch\u00e2m l\u1ed3ng<\/td>\n<td>S\u1ef1 c\u00e2n b\u1eb1ng gi\u1eefa b\u1ea3o v\u1ec7 v\u00e0 hi\u1ec7u su\u1ea5t<\/td>\n<td>\u0110\u1ed9 ph\u1ee9c t\u1ea1p trong s\u1ea3n xu\u1ea5t v\u1eeba ph\u1ea3i<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>C\u00e1c y\u1ebfu t\u1ed1 v\u1eadt li\u1ec7u cho nam ch\u00e2m rotor<\/h2>\n<p>Ch\u1ecdn v\u1eadt li\u1ec7u ph\u00f9 h\u1ee3p cho nam ch\u00e2m rotor l\u00e0 ch\u00eca kh\u00f3a \u0111\u1ec3 motor v\u00e0 m\u00e1y ph\u00e1t ho\u1ea1t \u0111\u1ed9ng t\u1ed1t. \u0110\u1ed9 m\u1ea1nh, \u0111\u1ed9 b\u1ec1n v\u00e0 kh\u1ea3 n\u0103ng ch\u1ecbu nhi\u1ec7t c\u1ee7a nam ch\u00e2m \u0111\u1ec1u ph\u1ee5 thu\u1ed9c v\u00e0o l\u1ef1a ch\u1ecdn n\u00e0y. N\u1ebfu v\u1eadt li\u1ec7u kh\u00f4ng ph\u00f9 h\u1ee3p, rotor s\u1ebd kh\u00f4ng \u0111\u1ea1t \u0111\u01b0\u1ee3c hi\u1ec7u qu\u1ea3 ho\u1eb7c tu\u1ed5i th\u1ecd mong mu\u1ed1n.<\/p>\n<p>C\u00e1c v\u1eadt li\u1ec7u t\u1eeb th\u00f4ng th\u01b0\u1eddng bao g\u1ed3m:<\/p>\n<ul>\n<li><strong>Neodymium (NdFeB):<\/strong> N\u1ed5i ti\u1ebfng v\u1edbi s\u1ee9c m\u1ea1nh t\u1eeb tr\u01b0\u1eddng m\u1ea1nh m\u1ebd, l\u00fd t\u01b0\u1edfng cho c\u00e1c motor hi\u1ec7u su\u1ea5t cao. Tuy nhi\u00ean, c\u1ea7n ki\u1ec3m so\u00e1t nhi\u1ec7t \u0111\u1ed9 \u0111\u00fang c\u00e1ch \u0111\u1ec3 tr\u00e1nh m\u1ea5t t\u1eeb t\u00ednh.<\/li>\n<li><strong>S\u1eaft t\u1eeb:<\/strong> Ph\u00f9 h\u1ee3p v\u1edbi ng\u00e2n s\u00e1ch h\u01a1n v\u00e0 ch\u1ed1ng \u0103n m\u00f2n t\u1ed1t h\u01a1n nh\u01b0ng c\u00f3 \u0111\u1ed9 m\u1ea1nh t\u1eeb th\u1ea5p h\u01a1n, th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng khi chi ph\u00ed l\u00e0 y\u1ebfu t\u1ed1 quan tr\u1ecdng h\u01a1n s\u1ee9c m\u1ea1nh.<\/li>\n<li><strong>Samarium Cobalt:<\/strong> Cung c\u1ea5p kh\u1ea3 n\u0103ng ch\u1ecbu nhi\u1ec7t v\u00e0 \u0111\u1ed9 b\u1ec1n tuy\u1ec7t v\u1eddi nh\u01b0ng c\u00f3 gi\u00e1 cao h\u01a1n, ph\u00f9 h\u1ee3p v\u1edbi m\u00f4i tr\u01b0\u1eddng \u0111\u00f2i h\u1ecfi cao.<\/li>\n<\/ul>\n<p>NBAEM chuy\u00ean cung c\u1ea5p nhi\u1ec1u lo\u1ea1i v\u1eadt li\u1ec7u t\u1eeb n\u00e0y, \u0111\u1ea3m b\u1ea3o t\u00ednh nh\u1ea5t qu\u00e1n v\u00e0 \u0111\u1ed9 tin c\u1eady cho kh\u00e1ch h\u00e0ng t\u1ea1i Vi\u1ec7t Nam mu\u1ed1n c\u00e1c linh ki\u1ec7n ch\u1ea5t l\u01b0\u1ee3ng cao. Chuy\u00ean m\u00f4n c\u1ee7a h\u1ecd \u0111\u1ea3m b\u1ea3o b\u1ea1n nh\u1eadn \u0111\u01b0\u1ee3c v\u1eadt li\u1ec7u ph\u00f9 h\u1ee3p v\u1edbi nhu c\u1ea7u c\u1ee5 th\u1ec3 c\u1ee7a motor ho\u1eb7c m\u00e1y ph\u00e1t c\u1ee7a b\u1ea1n.<\/p>\n<p>Khi ch\u1ecdn v\u1eadt li\u1ec7u cho nam ch\u00e2m rotor, h\u00e3y xem x\u00e9t:<\/p>\n<ul>\n<li><strong>Kh\u1ea3 n\u0103ng ch\u1ecbu nhi\u1ec7t:<\/strong> Nam ch\u00e2m c\u00f3 th\u1ec3 ch\u1ecbu nhi\u1ec7t sinh ra trong qu\u00e1 tr\u00ecnh v\u1eadn h\u00e0nh m\u00e0 kh\u00f4ng m\u1ea5t \u0111\u1ed9 m\u1ea1nh kh\u00f4ng?<\/li>\n<li><strong>S\u1ee9c m\u1ea1nh t\u1eeb:<\/strong> V\u1eadt li\u1ec7u c\u00f3 cung c\u1ea5p \u0111\u1ee7 c\u00f4ng su\u1ea5t cho \u1ee9ng d\u1ee5ng c\u1ee7a b\u1ea1n kh\u00f4ng?<\/li>\n<li><strong>\u0110\u1ed9 b\u1ec1n:<\/strong> N\u00f3 ch\u1ed1ng \u0103n m\u00f2n, m\u00e0i m\u00f2n c\u01a1 h\u1ecdc ho\u1eb7c m\u1ea5t t\u1eeb theo th\u1eddi gian t\u1ed1t \u0111\u1ebfn m\u1ee9c n\u00e0o?<\/li>\n<\/ul>\n<p>\u0110\u1ec3 hi\u1ec3u r\u00f5 h\u01a1n v\u1ec1 c\u00e1ch v\u1eadt li\u1ec7u t\u1eeb \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn c\u00f4ng ngh\u1ec7 motor, h\u00e3y xem t\u00e0i nguy\u00ean c\u1ee7a NBAEM v\u1ec1<span style=\"color: #ff6600;\"><strong> <a style=\"color: #ff6600;\" href=\"https:\/\/nbaem.com\/vi\/magnetic-materials-in-motor-technology\/\" target=\"_blank\" rel=\"noopener\">v\u1eadt li\u1ec7u t\u1eeb trong c\u00f4ng ngh\u1ec7 \u0111\u1ed9ng c\u01a1<\/a>.<\/strong><\/span><\/p>\n<h2>C\u00e1c kh\u00eda c\u1ea1nh v\u1ec1 S\u1ea3n xu\u1ea5t v\u00e0 Thi\u1ebft k\u1ebf<\/h2>\n<p>Vi\u1ec7c t\u1ea1o ra nam ch\u00e2m rotor kh\u00f4ng ph\u1ea3i kh\u00f4ng c\u00f3 th\u1eed th\u00e1ch. Qu\u00e1 tr\u00ecnh s\u1ea3n xu\u1ea5t ph\u1ea3i ch\u00ednh x\u00e1c v\u00ec ngay c\u1ea3 nh\u1eefng sai s\u00f3t nh\u1ecf c\u0169ng c\u00f3 th\u1ec3 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn c\u01b0\u1eddng \u0111\u1ed9 t\u1eeb tr\u01b0\u1eddng v\u00e0 hi\u1ec7u qu\u1ea3 c\u1ee7a \u0111\u1ed9ng c\u01a1. Nh\u1eefng th\u00e1ch th\u1ee9c ch\u00ednh bao g\u1ed3m x\u1eed l\u00fd c\u00e1c v\u1eadt li\u1ec7u gi\u00f2n nh\u01b0 nam ch\u00e2m neodymium, \u0111\u1ea3m b\u1ea3o nam ch\u00e2m d\u00ednh ch\u1eafc ch\u1eafn v\u00e0o rotor, v\u00e0 duy tr\u00ec h\u01b0\u1edbng t\u1eeb ch\u00ednh x\u00e1c \u0111\u1ec3 \u0111\u1ea1t hi\u1ec7u su\u1ea5t t\u1ed1i \u01b0u.<\/p>\n<p>Khi thi\u1ebft k\u1ebf nam ch\u00e2m rotor, k\u00edch th\u01b0\u1edbc v\u00e0 h\u00ecnh d\u1ea1ng \u0111\u00f3ng vai tr\u00f2 r\u1ea5t quan tr\u1ecdng. K\u00edch th\u01b0\u1edbc c\u1ee7a nam ch\u00e2m c\u1ea7n ph\u00f9 h\u1ee3p v\u1edbi thi\u1ebft k\u1ebf c\u1ee7a \u0111\u1ed9ng c\u01a1 ho\u1eb7c m\u00e1y ph\u00e1t \u0111i\u1ec7n c\u1ee5 th\u1ec3, d\u00f9 l\u00e0 g\u1eafn tr\u00ean b\u1ec1 m\u1eb7t hay l\u1ed3ng trong rotor. H\u01b0\u1edbng t\u1eeb tr\u01b0\u1eddng l\u00e0 y\u1ebfu t\u1ed1 then ch\u1ed1t \u2014 n\u00f3 ki\u1ec3m so\u00e1t c\u00e1ch tr\u01b0\u1eddng t\u1eeb t\u01b0\u01a1ng t\u00e1c v\u1edbi stato, \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn m\u00f4-men xo\u1eafn v\u00e0 hi\u1ec7u qu\u1ea3.<\/p>\n<p>X\u1eed l\u00fd b\u1ec1 m\u1eb7t v\u00e0 l\u1edbp ph\u1ee7 c\u0169ng l\u00e0 c\u00e1c b\u01b0\u1edbc quan tr\u1ecdng \u0111\u1ec3 k\u00e9o d\u00e0i tu\u1ed5i th\u1ecd c\u1ee7a nam ch\u00e2m. \u00c1p d\u1ee5ng l\u1edbp ph\u1ee7 b\u1ea3o v\u1ec7 gi\u00fap ng\u0103n ng\u1eeba \u0103n m\u00f2n, \u0111\u1eb7c bi\u1ec7t trong m\u00f4i tr\u01b0\u1eddng kh\u1eafc nghi\u1ec7t, v\u00e0 gi\u1ea3m m\u00e0i m\u00f2n do ma s\u00e1t ho\u1eb7c va \u0111\u1eadp. C\u00e1c l\u1edbp ph\u1ee7 n\u00e0y c\u0169ng c\u1ea3i thi\u1ec7n \u0111\u1ed9 \u1ed5n \u0111\u1ecbnh nhi\u1ec7t, \u0111i\u1ec1u n\u00e0y r\u1ea5t quan tr\u1ecdng \u0111\u1ed1i v\u1edbi nam ch\u00e2m ho\u1ea1t \u0111\u1ed9ng trong \u0111i\u1ec1u ki\u1ec7n nhi\u1ec7t \u0111\u1ed9 cao, ph\u1ed5 bi\u1ebfn trong c\u00e1c \u0111\u1ed9ng c\u01a1 s\u1eed d\u1ee5ng trong ng\u00e0nh \u00f4 t\u00f4 v\u00e0 c\u00f4ng nghi\u1ec7p.<\/p>\n<h2>\u1ee8ng d\u1ee5ng c\u1ee7a Nam ch\u00e2m Rotor<\/h2>\n<p>Nam ch\u00e2m rotor \u0111\u00f3ng vai tr\u00f2 quan tr\u1ecdng trong nhi\u1ec1u ng\u00e0nh c\u00f4ng nghi\u1ec7p, cung c\u1ea5p n\u0103ng l\u01b0\u1ee3ng cho nhi\u1ec1u thi\u1ebft b\u1ecb v\u00e0 h\u1ec7 th\u1ed1ng m\u00e0 ch\u00fang ta ph\u1ee5 thu\u1ed9c h\u00e0ng ng\u00e0y. D\u01b0\u1edbi \u0111\u00e2y l\u00e0 m\u1ed9t s\u1ed1 l\u0129nh v\u1ef1c ch\u00ednh m\u00e0 nam ch\u00e2m rotor t\u1ea1o ra s\u1ef1 kh\u00e1c bi\u1ec7t:<\/p>\n<ul>\n<li>\n<h3>\u0110\u1ed9ng c\u01a1 \u0111i\u1ec7n<\/h3>\n<p>T\u1eeb \u0111\u1ed9ng c\u01a1 kh\u00f4ng ch\u1ed5i than DC \u0111\u1ebfn \u0111\u1ed9ng c\u01a1 \u0111\u1ed3ng b\u1ed9 v\u00e0 c\u1ea3m \u1ee9ng, nam ch\u00e2m rotor gi\u00fap t\u1ea1o ra c\u00e1c tr\u01b0\u1eddng t\u1eeb c\u1ea7n thi\u1ebft cho ho\u1ea1t \u0111\u1ed9ng c\u1ee7a \u0111\u1ed9ng c\u01a1 m\u01b0\u1ee3t m\u00e0 v\u00e0 hi\u1ec7u qu\u1ea3. C\u00e1c \u0111\u1eb7c t\u00ednh t\u1eeb c\u1ee7a ch\u00fang \u1ea3nh h\u01b0\u1edfng tr\u1ef1c ti\u1ebfp \u0111\u1ebfn hi\u1ec7u su\u1ea5t v\u00e0 \u0111\u1ed9 tin c\u1eady c\u1ee7a \u0111\u1ed9ng c\u01a1.<\/li>\n<li>\n<h3>M\u00e1y ph\u00e1t \u0111i\u1ec7n v\u00e0 m\u00e1y ph\u00e1t \u0111i\u1ec7n xoay chi\u1ec1u<\/h3>\n<p>Trong c\u00e1c m\u00e1y ph\u00e1t \u0111i\u1ec7n v\u00e0 m\u00e1y ph\u00e1t \u0111i\u1ec7n xoay chi\u1ec1u, nam ch\u00e2m rotor chuy\u1ec3n \u0111\u1ed5i n\u0103ng l\u01b0\u1ee3ng c\u01a1 h\u1ecdc th\u00e0nh n\u0103ng l\u01b0\u1ee3ng \u0111i\u1ec7n. Nam ch\u00e2m m\u1ea1nh m\u1ebd, b\u1ec1n b\u1ec9 gi\u00fap c\u1ea3i thi\u1ec7n s\u1ea3n l\u01b0\u1ee3ng v\u00e0 hi\u1ec7u qu\u1ea3, \u0111i\u1ec1u n\u00e0y r\u1ea5t quan tr\u1ecdng trong vi\u1ec7c ph\u00e1t \u0111i\u1ec7n trong nhi\u1ec1u l\u0129nh v\u1ef1c.<\/li>\n<li>\n<h3>Ng\u00e0nh c\u00f4ng nghi\u1ec7p \u00f4 t\u00f4 v\u00e0 Xe \u0111i\u1ec7n (EVs)<\/h3>\n<p>V\u1edbi s\u1ef1 ph\u00e1t tri\u1ec3n c\u1ee7a xe \u0111i\u1ec7n, nam ch\u00e2m rotor \u0111\u00e3 tr\u1edf th\u00e0nh trung t\u00e2m trong thi\u1ebft k\u1ebf \u0111\u1ed9ng c\u01a1 \u0111i\u1ec7n. C\u00e1c nam ch\u00e2m hi\u1ec7u su\u1ea5t cao nh\u01b0 neodymium gi\u00fap t\u0103ng c\u00f4ng su\u1ea5t \u0111\u1ed9ng c\u01a1, gi\u1ea3m tr\u1ecdng l\u01b0\u1ee3ng v\u00e0 m\u1edf r\u1ed9ng ph\u1ea1m vi l\u00e1i xe \u2014 t\u1ea5t c\u1ea3 \u0111\u1ec1u l\u00e0 c\u00e1c y\u1ebfu t\u1ed1 then ch\u1ed1t cho xe \u0111i\u1ec7n hi\u1ec7n \u0111\u1ea1i.<\/li>\n<li>\n<h3>H\u1ec7 th\u1ed1ng n\u0103ng l\u01b0\u1ee3ng t\u00e1i t\u1ea1o<\/h3>\n<p>Tuabin gi\u00f3 d\u1ef1a v\u00e0o c\u00e1c nam ch\u00e2m rotor l\u1edbn, m\u1ea1nh \u0111\u1ec3 chuy\u1ec3n \u0111\u1ed5i n\u0103ng l\u01b0\u1ee3ng gi\u00f3 th\u00e0nh \u0111i\u1ec7n m\u1ed9t c\u00e1ch hi\u1ec7u qu\u1ea3. Nhu c\u1ea7u v\u1ec1 c\u00e1c nam ch\u00e2m ch\u1ecbu nhi\u1ec7t cao v\u00e0 ch\u1ed1ng \u0103n m\u00f2n \u0111\u1eb7c bi\u1ec7t quan tr\u1ecdng \u1edf \u0111\u00e2y do \u0111i\u1ec1u ki\u1ec7n v\u1eadn h\u00e0nh kh\u1eafc nghi\u1ec7t.<\/li>\n<li>\n<h3>M\u00e1y m\u00f3c c\u00f4ng nghi\u1ec7p v\u00e0 Robot<\/h3>\n<p>\u0110\u1ed9 ch\u00ednh x\u00e1c v\u00e0 \u0111\u1ed9 b\u1ec1n l\u00e0 y\u1ebfu t\u1ed1 thi\u1ebft y\u1ebfu trong m\u00e1y m\u00f3c c\u00f4ng nghi\u1ec7p v\u00e0 robot. Nam ch\u00e2m rotor \u0111\u1ea3m b\u1ea3o ki\u1ec3m so\u00e1t m\u00f4-men xo\u1eafn v\u00e0 t\u1ed1c \u0111\u1ed9 \u1ed5n \u0111\u1ecbnh, l\u00e0m cho c\u00e1c h\u1ec7 th\u1ed1ng t\u1ef1 \u0111\u1ed9ng tr\u1edf n\u00ean \u0111\u00e1ng tin c\u1eady v\u00e0 ph\u1ea3n \u1ee9ng nhanh h\u01a1n.<\/li>\n<\/ul>\n<p>Trong t\u1ea5t c\u1ea3 c\u00e1c \u1ee9ng d\u1ee5ng n\u00e0y, vi\u1ec7c ch\u1ecdn \u0111\u00fang lo\u1ea1i nam ch\u00e2m rotor \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn hi\u1ec7u qu\u1ea3, \u0111\u1ed9 b\u1ec1n v\u00e0 hi\u1ec7u su\u1ea5t t\u1ed5ng th\u1ec3 c\u1ee7a h\u1ec7 th\u1ed1ng \u2014 nh\u1eefng y\u1ebfu t\u1ed1 then ch\u1ed1t cho c\u00e1c doanh nghi\u1ec7p v\u00e0 ng\u01b0\u1eddi ti\u00eau d\u00f9ng tr\u00ean th\u1ecb tr\u01b0\u1eddng Vi\u1ec7t Nam.<\/p>\n<h2>B\u1ea3o tr\u00ec v\u00e0 Kh\u1eafc ph\u1ee5c s\u1ef1 c\u1ed1 c\u1ee7a Nam ch\u00e2m Rotor<\/h2>\n<p>Gi\u1eef cho nam ch\u00e2m rotor lu\u00f4n trong t\u00ecnh tr\u1ea1ng t\u1ed1t l\u00e0 \u0111i\u1ec1u quan tr\u1ecdng \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o hi\u1ec7u su\u1ea5t \u0111\u00e1ng tin c\u1eady c\u1ee7a \u0111\u1ed9ng c\u01a1 v\u00e0 m\u00e1y ph\u00e1t \u0111i\u1ec7n. D\u01b0\u1edbi \u0111\u00e2y l\u00e0 nh\u1eefng \u0111i\u1ec1u b\u1ea1n c\u1ea7n bi\u1ebft v\u1ec1 ki\u1ec3m tra v\u00e0 b\u1ea3o tr\u00ec ch\u00fang.<\/p>\n<h3>C\u00e1ch ki\u1ec3m tra nam ch\u00e2m rotor \u0111\u1ec3 ph\u00e1t hi\u1ec7n m\u00f2n ho\u1eb7c h\u01b0 h\u1ecfng<\/h3>\n<ul>\n<li><strong>Ki\u1ec3m tra b\u1eb1ng m\u1eaft:<\/strong> Ki\u1ec3m tra c\u00e1c v\u1ebft n\u1ee9t, v\u1ebft s\u1ee9t ho\u1eb7c b\u1ea5t k\u1ef3 h\u01b0 h\u1ecfng n\u00e0o tr\u00ean b\u1ec1 m\u1eb7t nam ch\u00e2m. Nh\u1eefng \u0111i\u1ec1u n\u00e0y c\u00f3 th\u1ec3 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn \u0111\u1ed9 m\u1ea1nh t\u1eeb.<\/li>\n<li><strong>\u0110o \u0110\u1ed9 M\u1ea1nh T\u1eeb:<\/strong> S\u1eed d\u1ee5ng m\u00e1y \u0111o gauss \u0111\u1ec3 ki\u1ec3m tra xem nam ch\u00e2m c\u00f2n gi\u1eef \u0111\u01b0\u1ee3c tr\u01b0\u1eddng t\u1eeb y\u00eau c\u1ea7u hay kh\u00f4ng.<\/li>\n<li><strong>Ki\u1ec3m tra R\u1ec9 S\u00e9t:<\/strong> \u0110\u1eb7c bi\u1ec7t trong m\u00f4i tr\u01b0\u1eddng kh\u1eafc nghi\u1ec7t, r\u1ec9 s\u00e9t c\u00f3 th\u1ec3 l\u00e0m gi\u1ea3m ch\u1ea5t l\u01b0\u1ee3ng nam ch\u00e2m. T\u00ecm ki\u1ebfm d\u1ea5u hi\u1ec7u r\u1ec9 s\u00e9t ho\u1eb7c bi\u1ebfn \u0111\u1ed5i m\u00e0u s\u1eafc.<\/li>\n<li><strong>Ph\u00f9 h\u1ee3p V\u1eadt l\u00fd:<\/strong> \u0110\u1ea3m b\u1ea3o nam ch\u00e2m \u0111\u01b0\u1ee3c g\u1eafn ch\u1eafc ch\u1eafn v\u00e0o rotor. Nam ch\u00e2m l\u1ecfng l\u1ebbo g\u00e2y m\u1ea5t c\u00e2n b\u1eb1ng v\u00e0 h\u01b0 h\u1ecfng.<\/li>\n<\/ul>\n<h3>C\u00e1c V\u1ea5n \u0111\u1ec1 Th\u01b0\u1eddng G\u1eb7p v\u00e0 Nguy\u00ean Nh\u00e2n<\/h3>\n<ul>\n<li><strong>M\u1ea5t t\u1eeb t\u00ednh:<\/strong> Nhi\u1ec7t \u0111\u1ed9 cao ho\u1eb7c t\u1eeb tr\u01b0\u1eddng \u0111\u1ed1i l\u1eadp m\u1ea1nh c\u00f3 th\u1ec3 l\u00e0m y\u1ebfu nam ch\u00e2m rotor. \u0110i\u1ec1u n\u00e0y l\u00e0m gi\u1ea3m hi\u1ec7u su\u1ea5t c\u1ee7a \u0111\u1ed9ng c\u01a1.<\/li>\n<li><strong>\u0102n m\u00f2n:<\/strong> Ti\u1ebfp x\u00fac v\u1edbi \u0111\u1ed9 \u1ea9m v\u00e0 h\u00f3a ch\u1ea5t d\u1eabn \u0111\u1ebfn r\u1ec9 s\u00e9t b\u1ec1 m\u1eb7t, c\u00f3 th\u1ec3 l\u00e0m nam ch\u00e2m b\u1ecb h\u01b0 h\u1ecfng.<\/li>\n<li><strong>H\u01b0 h\u1ecfng C\u01a1 h\u1ecdc:<\/strong> Rung l\u1eafc, va \u0111\u1eadp ho\u1eb7c x\u1eed l\u00fd kh\u00f4ng \u0111\u00fang trong qu\u00e1 tr\u00ecnh l\u1eafp r\u00e1p c\u00f3 th\u1ec3 l\u00e0m s\u1ee9t ho\u1eb7c n\u1ee9t nam ch\u00e2m.<\/li>\n<\/ul>\n<h3>C\u00e1c Th\u1ef1c h\u00e0nh T\u1ed1t nh\u1ea5t \u0111\u1ec3 K\u00e9o d\u00e0i Tu\u1ed5i Th\u1ecd Nam Ch\u00e2m Rotor<\/h3>\n<ul>\n<li>L\u01b0u tr\u1eef nam ch\u00e2m tr\u00e1nh xa \u0111\u1ed9 \u1ea9m v\u00e0 nhi\u1ec7t \u0111\u1ed9 c\u1ef1c \u0111oan.<\/li>\n<li>S\u1eed d\u1ee5ng l\u1edbp ph\u1ee7 b\u1ea3o v\u1ec7 ho\u1eb7c x\u1eed l\u00fd b\u1ec1 m\u1eb7t \u0111\u1ec3 ng\u0103n ng\u1eeba r\u1ec9 s\u00e9t.<\/li>\n<li>\u0110\u1ea3m b\u1ea3o l\u00e0m m\u00e1t \u0111\u1ed9ng c\u01a1 \u0111\u00fang c\u00e1ch \u0111\u1ec3 tr\u00e1nh qu\u00e1 nhi\u1ec7t.<\/li>\n<li>Tr\u00e1nh va \u0111\u1eadp v\u1eadt l\u00fd trong qu\u00e1 tr\u00ecnh x\u1eed l\u00fd v\u00e0 l\u1eafp \u0111\u1eb7t.<\/li>\n<li>Th\u01b0\u1eddng xuy\u00ean theo d\u00f5i hi\u1ec7u su\u1ea5t nam ch\u00e2m b\u1eb1ng c\u00e1c c\u00f4ng c\u1ee5 ph\u00f9 h\u1ee3p.<\/li>\n<\/ul>\n<p>Vi\u1ec7c th\u1ef1c hi\u1ec7n c\u00e1c b\u01b0\u1edbc n\u00e0y gi\u00fap duy tr\u00ec hi\u1ec7u su\u1ea5t v\u00e0 tu\u1ed5i th\u1ecd c\u1ee7a nam ch\u00e2m rotor, \u0111i\u1ec1u n\u00e0y r\u1ea5t quan tr\u1ecdng \u0111\u1ed1i v\u1edbi \u0111\u1ed9ng c\u01a1 \u0111i\u1ec7n, m\u00e1y ph\u00e1t \u0111i\u1ec7n v\u00e0 \u1ee9ng d\u1ee5ng xe \u0111i\u1ec7n n\u01a1i \u0111\u1ed9 tin c\u1eady l\u00e0 y\u1ebfu t\u1ed1 then ch\u1ed1t. \u0110\u1ec3 bi\u1ebft th\u00eam v\u1ec1 c\u00e1ch c\u1ea3i thi\u1ec7n hi\u1ec7u su\u1ea5t nam ch\u00e2m, h\u00e3y xem c\u00e1c ph\u00e2n t\u00edch c\u1ee7a NBAEM v\u1ec1 <a href=\"https:\/\/nbaem.com\/vi\/practices-in-magnetic-material-production\/\" target=\"_blank\" rel=\"noopener\"><strong><span style=\"color: #ff6600;\">c\u00e1c th\u1ef1c h\u00e0nh trong s\u1ea3n xu\u1ea5t v\u1eadt li\u1ec7u t\u1eeb tr\u01b0\u1eddng<\/span><\/strong><\/a><strong><span style=\"color: #ff6600;\">.<\/span><\/strong><\/p>\n<h2>Xu h\u01b0\u1edbng t\u01b0\u01a1ng lai trong c\u00f4ng ngh\u1ec7 nam ch\u00e2m rotor<\/h2>\n<p>T\u01b0\u01a1ng lai c\u1ee7a c\u00f4ng ngh\u1ec7 nam ch\u00e2m rotor \u0111ang r\u1ea5t h\u1ee9a h\u1eb9n v\u1edbi nh\u1eefng ti\u1ebfn b\u1ed9 li\u00ean t\u1ee5c trong v\u1eadt li\u1ec7u t\u1eeb t\u00ednh. C\u00e1c nh\u00e0 nghi\u00ean c\u1ee9u \u0111ang ph\u00e1t tri\u1ec3n c\u00e1c nam ch\u00e2m m\u1ea1nh h\u01a1n, nh\u1eb9 h\u01a1n gi\u00fap n\u00e2ng cao hi\u1ec7u qu\u1ea3 \u0111\u1ed9ng c\u01a1 \u0111\u1ed3ng th\u1eddi gi\u1ea3m t\u1ed5n th\u1ea5t n\u0103ng l\u01b0\u1ee3ng. C\u00e1c h\u1ee3p kim m\u1edbi v\u00e0 k\u1ef9 thu\u1eadt s\u1ea3n xu\u1ea5t c\u1ea3i ti\u1ebfn \u0111ang \u0111\u1ea9y gi\u1edbi h\u1ea1n v\u1ec1 \u0111\u1ed9 m\u1ea1nh t\u1eeb v\u00e0 kh\u1ea3 n\u0103ng ch\u1ecbu nhi\u1ec7t c\u1ee7a nam ch\u00e2m, l\u00e0m cho rotor \u0111\u00e1ng tin c\u1eady h\u01a1n trong \u0111i\u1ec1u ki\u1ec7n kh\u1eafc nghi\u1ec7t.<\/p>\n<p>S\u1ef1 \u0111\u1ed5i m\u1edbi trong thi\u1ebft k\u1ebf nam ch\u00e2m rotor c\u0169ng \u0111ang ph\u00e1t tri\u1ec3n nhanh ch\u00f3ng. C\u00e1c nh\u00e0 thi\u1ebft k\u1ebf \u0111ang t\u1ed1i \u01b0u h\u00f3a h\u00ecnh d\u1ea1ng, v\u1ecb tr\u00ed v\u00e0 h\u01b0\u1edbng c\u1ee7a nam ch\u00e2m \u0111\u1ec3 t\u1ed1i \u0111a h\u00f3a d\u00f2ng t\u1eeb v\u00e0 gi\u1ea3m nhi\u1ec7t sinh ra. Nh\u1eefng c\u1ea3i ti\u1ebfn n\u00e0y gi\u00fap c\u00e1c \u0111\u1ed9ng c\u01a1 \u0111i\u1ec7n, \u0111\u1eb7c bi\u1ec7t l\u00e0 \u0111\u1ed9ng c\u01a1 kh\u00f4ng ch\u1ed5i than v\u00e0 \u0111\u1ed3ng b\u1ed9, ho\u1ea1t \u0111\u1ed9ng m\u01b0\u1ee3t m\u00e0 h\u01a1n v\u00e0 c\u00f3 tu\u1ed5i th\u1ecd l\u00e2u h\u01a1n\u2014r\u1ea5t quan tr\u1ecdng cho c\u00e1c \u1ee9ng d\u1ee5ng trong xe \u0111i\u1ec7n v\u00e0 n\u0103ng l\u01b0\u1ee3ng t\u00e1i t\u1ea1o.<\/p>\n<p>B\u1ec1n v\u1eefng \u0111ang tr\u1edf th\u00e0nh m\u1ed9t tr\u1ecdng t\u00e2m l\u1edbn h\u01a1n. Vi\u1ec7c t\u00e1i ch\u1ebf c\u00e1c nguy\u00ean t\u1ed1 \u0111\u1ea5t hi\u1ebfm nh\u01b0 neodymium v\u00e0 samarium cobalt t\u1eeb c\u00e1c nam ch\u00e2m c\u0169 \u0111ang ng\u00e0y c\u00e0ng \u0111\u01b0\u1ee3c ch\u00fa \u00fd nh\u1eb1m gi\u1ea3m t\u00e1c \u0111\u1ed9ng m\u00f4i tr\u01b0\u1eddng v\u00e0 ph\u1ee5 thu\u1ed9c v\u00e0o khai th\u00e1c m\u1ecf. C\u00e1c c\u00f4ng ty \u0111ang kh\u00e1m ph\u00e1 c\u00e1c l\u1edbp ph\u1ee7 th\u00e2n thi\u1ec7n v\u1edbi m\u00f4i tr\u01b0\u1eddng v\u00e0 quy tr\u00ecnh s\u1ea3n xu\u1ea5t \u0111\u1ec3 l\u00e0m cho rotor nam ch\u00e2m v\u0129nh c\u1eedu xanh h\u01a1n m\u00e0 kh\u00f4ng l\u00e0m gi\u1ea3m hi\u1ec7u su\u1ea5t. Xu h\u01b0\u1edbng n\u00e0y \u0111\u00e1p \u1ee9ng nhu c\u1ea7u ng\u00e0y c\u00e0ng t\u0103ng tr\u00ean th\u1ecb tr\u01b0\u1eddng to\u00e0n c\u1ea7u v\u1ec1 c\u00e1c v\u1eadt li\u1ec7u t\u1eeb t\u00ednh c\u00f3 tr\u00e1ch nhi\u1ec7m v\u1edbi m\u00f4i tr\u01b0\u1eddng nh\u01b0ng v\u1eabn m\u1ea1nh m\u1ebd.<\/p>\n<h2>T\u1ea1i Sao Ch\u1ecdn NBAEM Cho Nhu C\u1ea7u V\u1eadt Li\u1ec7u T\u1eeb T\u1eeb C\u1ee7a B\u1ea1n<\/h2>\n<p>NBAEM n\u1ed5i b\u1eadt nh\u01b0 m\u1ed9t nh\u00e0 cung c\u1ea5p h\u00e0ng \u0111\u1ea7u c\u00e1c v\u1eadt li\u1ec7u t\u1eeb t\u00ednh ch\u1ea5t l\u01b0\u1ee3ng cao, \u0111\u1eb7c bi\u1ec7t l\u00e0 cho nam ch\u00e2m rotor \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong nhi\u1ec1u ng\u00e0nh c\u00f4ng nghi\u1ec7p kh\u00e1c nhau. D\u01b0\u1edbi \u0111\u00e2y l\u00e0 l\u00fd do t\u1ea1i sao NBAEM l\u00e0 l\u1ef1a ch\u1ecdn \u0111\u00e1ng tin c\u1eady:<\/p>\n<h3>\u0110i\u1ec3m b\u00e1n h\u00e0ng \u0111\u1ed9c \u0111\u00e1o<\/h3>\n<ul>\n<li><strong>D\u1ea3i s\u1ea3n ph\u1ea9m phong ph\u00fa<\/strong>: T\u1eeb nam ch\u00e2m neodymium (NdFeB) \u0111\u1ebfn samarium cobalt (SmCo) v\u00e0 ferrite, NBAEM cung c\u1ea5p nhi\u1ec1u l\u1ef1a ch\u1ecdn ph\u00f9 h\u1ee3p cho c\u00e1c \u1ee9ng d\u1ee5ng \u0111\u1ed9ng c\u01a1 v\u00e0 m\u00e1y ph\u00e1t kh\u00e1c nhau.<\/li>\n<li><strong>S\u1ea3n xu\u1ea5t ti\u00ean ti\u1ebfn<\/strong>: Ch\u00ednh x\u00e1c v\u1ec1 k\u00edch th\u01b0\u1edbc, h\u00ecnh d\u1ea1ng v\u00e0 h\u01b0\u1edbng t\u1eeb gi\u00fap \u0111\u1ea3m b\u1ea3o hi\u1ec7u su\u1ea5t \u1ed5n \u0111\u1ecbnh trong c\u00e1c l\u00f4 h\u00e0ng.<\/li>\n<li><strong>Chuy\u00ean m\u00f4n v\u1ec1 v\u1eadt li\u1ec7u<\/strong>: Chuy\u00ean v\u1ec1 nam ch\u00e2m \u0111\u1ea5t hi\u1ebfm v\u1edbi \u0111\u1ed9 m\u1ea1nh t\u1eeb v\u00e0 kh\u1ea3 n\u0103ng ch\u1ecbu nhi\u1ec7t xu\u1ea5t s\u1eafc, ph\u00f9 h\u1ee3p cho m\u00f4i tr\u01b0\u1eddng \u0111\u00f2i h\u1ecfi cao.<\/li>\n<li><strong>Gi\u1ea3i ph\u00e1p t\u00f9y ch\u1ec9nh<\/strong>: Kh\u1ea3 n\u0103ng t\u1ea1o ra c\u00e1c thi\u1ebft k\u1ebf nam ch\u00e2m rotor g\u1eafn m\u1eb7t, ch\u00f4n ho\u1eb7c l\u1ed3ng d\u1ef1a tr\u00ean nhu c\u1ea7u c\u1ee7a kh\u00e1ch h\u00e0ng.<\/li>\n<\/ul>\n<h3>Cam k\u1ebft v\u1ec1 Ch\u1ea5t l\u01b0\u1ee3ng v\u00e0 \u0110\u1ed9 nh\u1ea5t qu\u00e1n<\/h3>\n<ul>\n<li><strong>Ki\u1ec3m so\u00e1t ch\u1ea5t l\u01b0\u1ee3ng nghi\u00eam ng\u1eb7t<\/strong>: M\u1ed7i l\u00f4 h\u00e0ng \u0111\u1ec1u tr\u1ea3i qua ki\u1ec3m tra k\u1ef9 l\u01b0\u1ee1ng \u0111\u1ec3 \u0111\u00e1p \u1ee9ng c\u00e1c ti\u00eau chu\u1ea9n ng\u00e0nh.<\/li>\n<li><strong>\u0110\u1ea3m b\u1ea3o \u0111\u1ed9 b\u1ec1n<\/strong>: S\u1eed d\u1ee5ng l\u1edbp ph\u1ee7 v\u00e0 x\u1eed l\u00fd b\u1ec1 m\u1eb7t gi\u00fap k\u00e9o d\u00e0i tu\u1ed5i th\u1ecd nam ch\u00e2m, gi\u1ea3m th\u1eddi gian b\u1ea3o tr\u00ec.<\/li>\n<li><strong>Chu\u1ed7i cung \u1ee9ng \u0111\u00e1ng tin c\u1eady<\/strong>: Th\u1eddi gian giao h\u00e0ng nh\u1ea5t qu\u00e1n v\u00e0 quy m\u00f4 \u0111\u1eb7t h\u00e0ng linh ho\u1ea1t khi\u1ebfn NBAEM tr\u1edf th\u00e0nh \u0111\u1ed1i t\u00e1c \u0111\u00e1ng tin c\u1eady.<\/li>\n<\/ul>\n<h3>C\u00e2u chuy\u1ec7n th\u00e0nh c\u00f4ng c\u1ee7a kh\u00e1ch h\u00e0ng<\/h3>\n<p>Nhi\u1ec1u c\u00f4ng ty trong ng\u00e0nh \u00f4 t\u00f4, n\u0103ng l\u01b0\u1ee3ng t\u00e1i t\u1ea1o v\u00e0 c\u00f4ng nghi\u1ec7p t\u1ea1i Vi\u1ec7t Nam d\u1ef1a v\u00e0o nam ch\u00e2m c\u1ee7a NBAEM \u0111\u1ec3 v\u1eadn h\u00e0nh m\u01b0\u1ee3t m\u00e0 c\u00e1c \u0111\u1ed9ng c\u01a1 v\u00e0 m\u00e1y ph\u00e1t c\u1ee7a h\u1ecd. Ph\u1ea3n h\u1ed3i t\u00edch c\u1ef1c th\u01b0\u1eddng nh\u1ea5n m\u1ea1nh:<\/p>\n<ul>\n<li>Hi\u1ec7u qu\u1ea3 \u0111\u1ed9ng c\u01a1 \u0111\u01b0\u1ee3c c\u1ea3i thi\u1ec7n nh\u1edd v\u1eadt li\u1ec7u t\u1eeb m\u1ea1nh h\u01a1n.<\/li>\n<li>Tu\u1ed5i th\u1ecd nam ch\u00e2m l\u00e2u h\u01a1n gi\u00fap gi\u1ea3m chi ph\u00ed b\u1ea3o tr\u00ec.<\/li>\n<li>H\u1ed7 tr\u1ee3 ph\u1ea3n h\u1ed3i v\u00e0 t\u00f9y ch\u1ec9nh ph\u00f9 h\u1ee3p v\u1edbi y\u00eau c\u1ea7u d\u1ef1 \u00e1n c\u1ee5 th\u1ec3.<\/li>\n<\/ul>\n<p>\u0110\u1ec3 xem k\u1ef9 h\u01a1n v\u1ec1 c\u00e1c v\u1eadt li\u1ec7u m\u00e0 NBAEM cung c\u1ea5p, h\u00e3y xem <strong><span style=\"color: #ff6600;\"><a style=\"color: #ff6600;\" href=\"https:\/\/nbaem.com\/vi\/permanent-magnet-applications-in-modern-technology\/\" target=\"_blank\" rel=\"noopener\">\u1ee9ng d\u1ee5ng nam ch\u00e2m v\u0129nh c\u1eedu trong c\u00f4ng ngh\u1ec7 hi\u1ec7n \u0111\u1ea1i<\/a> <\/span><\/strong>v\u00e0 t\u00ecm hi\u1ec3u l\u00fd do t\u1ea1i sao nam ch\u00e2m neodymium c\u1ee7a h\u1ecd l\u00e0 s\u1ef1 l\u1ef1a ch\u1ecdn th\u00f4ng minh cho c\u00e1c m\u00e1y ph\u00e1t \u0111i\u1ec7n gi\u00f3 t\u1ea1i<strong><span style=\"color: #ff6600;\"> <a style=\"color: #ff6600;\" href=\"https:\/\/nbaem.com\/vi\/ndfeb-magnet-used-in-wind-genertor\/\" target=\"_blank\" rel=\"noopener\">Nam ch\u00e2m NdFeB \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong m\u00e1y ph\u00e1t \u0111i\u1ec7n gi\u00f3<\/a>.<\/span><\/strong><\/p>","protected":false},"excerpt":{"rendered":"<p>T\u00ecm hi\u1ec3u v\u1ec1 c\u00e1c lo\u1ea1i nam ch\u00e2m rotor, ch\u1ee9c n\u0103ng v\u00e0 \u1ee9ng d\u1ee5ng trong \u0111\u1ed9ng c\u01a1 v\u00e0 m\u00e1y ph\u00e1t \u0111i\u1ec7n v\u1edbi nh\u1eefng ki\u1ebfn th\u1ee9c chuy\u00ean s\u00e2u v\u1ec1 v\u1eadt li\u1ec7u t\u1eeb v\u00e0 thi\u1ebft k\u1ebf.<\/p>","protected":false},"author":1,"featured_media":2389,"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-3000","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\/Xnip2025-09-12_09-58-18.jpg","_links":{"self":[{"href":"https:\/\/nbaem.com\/vi\/wp-json\/wp\/v2\/posts\/3000","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=3000"}],"version-history":[{"count":1,"href":"https:\/\/nbaem.com\/vi\/wp-json\/wp\/v2\/posts\/3000\/revisions"}],"predecessor-version":[{"id":3003,"href":"https:\/\/nbaem.com\/vi\/wp-json\/wp\/v2\/posts\/3000\/revisions\/3003"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/nbaem.com\/vi\/wp-json\/wp\/v2\/media\/2389"}],"wp:attachment":[{"href":"https:\/\/nbaem.com\/vi\/wp-json\/wp\/v2\/media?parent=3000"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/nbaem.com\/vi\/wp-json\/wp\/v2\/categories?post=3000"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/nbaem.com\/vi\/wp-json\/wp\/v2\/tags?post=3000"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}