{"id":1482,"date":"2025-03-21T03:28:06","date_gmt":"2025-03-21T03:28:06","guid":{"rendered":"https:\/\/nbaem.com\/?p=1482"},"modified":"2025-03-21T03:28:06","modified_gmt":"2025-03-21T03:28:06","slug":"different-shape-of-magnet","status":"publish","type":"post","link":"https:\/\/nbaem.com\/vi\/different-shape-of-magnet\/","title":{"rendered":"H\u00ecnh d\u1ea1ng nam ch\u00e2m kh\u00e1c nhau"},"content":{"rendered":"

Nam ch\u00e2m c\u00f3 nhi\u1ec1u lo\u1ea1i v\u1eadt li\u1ec7u, k\u00edch th\u01b0\u1edbc v\u00e0 h\u00ecnh d\u1ea1ng kh\u00e1c nhau. H\u00ecnh d\u1ea1ng c\u1ee7a nam ch\u00e2m quy\u1ebft \u0111\u1ecbnh c\u00e1ch n\u00f3 ho\u1ea1t \u0111\u1ed9ng, c\u00e1ch n\u00f3 t\u01b0\u01a1ng t\u00e1c v\u1edbi c\u00e1c v\u1eadt th\u1ec3 kh\u00e1c v\u00e0 c\u00e1c tr\u01b0\u1eddng t\u1eeb kh\u00e1c. H\u00ecnh d\u1ea1ng c\u1ee7a nam ch\u00e2m c\u0169ng quy\u1ebft \u0111\u1ecbnh \u0111\u1ed9 m\u1ea1nh c\u1ee7a n\u00f3.<\/p>\n

\"nam<\/p>\n

Nam ch\u00e2m thanh<\/strong><\/span><\/h3>\n

Nam ch\u00e2m thanh l\u00e0 lo\u1ea1i nam ch\u00e2m ph\u1ed5 bi\u1ebfn nh\u1ea5t. Ch\u00fang c\u0169ng l\u00e0 lo\u1ea1i nam ch\u00e2m y\u1ebfu nh\u1ea5t. L\u1ef1c t\u1eeb c\u1ee7a nam ch\u00e2m thanh t\u1eadp trung t\u1ea1i c\u00e1c c\u1ef1c (c\u00e1c \u0111\u1ea7u). C\u00e1c c\u1ef1c l\u00e0 di\u1ec7n t\u00edch b\u1ec1 m\u1eb7t nh\u1ecf nh\u1ea5t c\u1ee7a nam ch\u00e2m. V\u00ec l\u1ef1c t\u1eadp trung t\u1ea1i c\u00e1c c\u1ef1c, n\u00ean nam ch\u00e2m y\u1ebfu h\u01a1n t\u1ed5ng th\u1ec3. Nam ch\u00e2m thanh \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong c\u00e1c v\u1eadt d\u1ee5ng h\u00e0ng ng\u00e0y nh\u01b0 nam ch\u00e2m t\u1ee7 l\u1ea1nh, la b\u00e0n, v\u00e0 nh\u1eefng v\u1eadt b\u1ea1n th\u1ea5y trong ph\u00f2ng th\u00ed nghi\u1ec7m khoa h\u1ecdc.<\/p>\n

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Nam ch\u00e2m \u0111\u0129a<\/strong><\/span><\/h3>\n

Nam ch\u00e2m \u0111\u0129a c\u00f3 di\u1ec7n t\u00edch b\u1ec1 m\u1eb7t l\u1edbn, ph\u1eb3ng. H\u00ecnh d\u1ea1ng n\u00e0y khi\u1ebfn ch\u00fang r\u1ea5t m\u1ea1nh. C\u00e1c nam ch\u00e2m \u0111\u0129a nh\u1ecf h\u01a1n \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong th\u1ee7 c\u00f4ng m\u1ef9 ngh\u1ec7 v\u00e0 d\u1ef1 \u00e1n t\u1ef1 l\u00e0m. Ch\u00fang c\u0169ng d\u00f9ng trong s\u1eeda ch\u1eefa gia \u0111\u00ecnh nh\u1ecf. C\u00e1c nam ch\u00e2m \u0111\u0129a l\u1edbn h\u01a1n \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong c\u00e1c \u1ee9ng d\u1ee5ng c\u00f4ng nghi\u1ec7p nh\u01b0 c\u01a1 ch\u1ebf gi\u1eef v\u00e0 l\u1eafp r\u00e1p c\u1ed1c.<\/p>\n

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Nam ch\u00e2m h\u00ecnh m\u00f3ng ng\u1ef1a<\/strong><\/span><\/h3>\n

Nam ch\u00e2m h\u00ecnh m\u00f3ng ng\u1ef1a tr\u00f4ng gi\u1ed1ng nh\u01b0 nam ch\u00e2m thanh b\u1ecb u\u1ed1n cong th\u00e0nh h\u00ecnh ch\u1eef U. Ch\u00fang m\u1ea1nh h\u01a1n nam ch\u00e2m thanh v\u00ec c\u1ea3 hai c\u1ef1c \u0111\u1ec1u h\u01b0\u1edbng c\u00f9ng m\u1ed9t chi\u1ec1u. (Nam ch\u00e2m h\u00ecnh m\u00f3ng ng\u1ef1a l\u00e0 nam ch\u00e2m thanh \u0111\u00e3 u\u1ed1n cong th\u00e0nh h\u00ecnh ch\u1eef U.) Nam ch\u00e2m h\u00ecnh m\u00f3ng ng\u1ef1a l\u00e0 bi\u1ec3u t\u01b0\u1ee3ng ph\u1ed5 bi\u1ebfn cho nam ch\u00e2m. Ch\u00fang \u0111\u01b0\u1ee3c d\u00f9ng \u0111\u1ec3 nh\u1eb7t v\u00e0 di chuy\u1ec3n c\u00e1c v\u1eadt ch\u1ee9a s\u1eaft. Nam ch\u00e2m h\u00ecnh m\u00f3ng ng\u1ef1a nh\u1ecf th\u00edch h\u1ee3p \u0111\u1ec3 nh\u1eb7t c\u00e1c v\u1eadt nh\u1eb9 nh\u01b0 k\u1eb9p gi\u1ea5y. Nam ch\u00e2m h\u00ecnh m\u00f3ng ng\u1ef1a l\u1edbn h\u01a1n \u0111\u01b0\u1ee3c d\u00f9ng trong x\u00e2y d\u1ef1ng v\u00e0 s\u1ea3n xu\u1ea5t \u0111\u1ec3 nh\u1eb7t c\u00e1c v\u1eadt n\u1eb7ng.<\/p>\n

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Nam ch\u00e2m h\u00ecnh tr\u1ee5<\/strong><\/span><\/h3>\n

Nam ch\u00e2m h\u00ecnh tr\u1ee5 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong c\u00e1c \u1ee9ng d\u1ee5ng \u0111\u1eb7c bi\u1ec7t nh\u01b0 c\u1ea3m bi\u1ebfn, c\u00f4ng t\u1eafc reed, v\u00e0 thi\u1ebft b\u1ecb y t\u1ebf. M\u1ed9t nam ch\u00e2m h\u00ecnh tr\u1ee5 c\u00f3 tr\u01b0\u1eddng t\u1eeb d\u00e0i. B\u1ea1n c\u00f3 th\u1ec3 t\u1eeb h\u00f3a nam ch\u00e2m h\u00ecnh tr\u1ee5 theo chi\u1ec1u d\u00e0i ho\u1eb7c theo \u0111\u01b0\u1eddng k\u00ednh c\u1ee7a n\u00f3. Nam ch\u00e2m h\u00ecnh tr\u1ee5 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong nhi\u1ec1u \u1ee9ng d\u1ee5ng c\u00f4ng nghi\u1ec7p n\u01a1i b\u1ea1n c\u1ea7n m\u1ed9t tr\u01b0\u1eddng t\u1eeb m\u1ea1nh, t\u1eadp trung v\u00e0 c\u00f3 th\u1ec3 lan r\u1ed9ng ra m\u1ed9t ch\u00fat.<\/p>\n

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Nam ch\u00e2m h\u00ecnh v\u00f2ng<\/strong><\/span><\/h3>\n

Nam ch\u00e2m h\u00ecnh v\u00f2ng gi\u1ed1ng nh\u01b0 nam ch\u00e2m \u0111\u0129a, nh\u01b0ng c\u00f3 trung t\u00e2m r\u1ed7ng. V\u00ec h\u00ecnh d\u1ea1ng \u0111\u1eb7c bi\u1ec7t n\u00e0y, nam ch\u00e2m h\u00ecnh v\u00f2ng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong nhi\u1ec1u thi\u1ebft b\u1ecb nh\u01b0 loa \u00e2m thanh, c\u1ea3m bi\u1ebfn, v\u00e0 \u0111\u1ed9ng c\u01a1 \u0111i\u1ec7n. Ch\u00fang c\u0169ng \u0111\u01b0\u1ee3c d\u00f9ng trong c\u00e1c th\u00ed nghi\u1ec7m khoa h\u1ecdc \u0111\u1ec3 th\u1ec3 hi\u1ec7n c\u00e1ch nam ch\u00e2m \u0111\u1ea9y nhau.<\/p>\n

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H\u00ecnh d\u1ea1ng nam ch\u00e2m t\u00f9y ch\u1ec9nh v\u00e0 quy tr\u00ecnh ch\u1ebf t\u1ea1o<\/strong><\/span><\/h3>\n

B\u1ea1n c\u00f3 th\u1ec3 mua nam ch\u00e2m v\u1edbi nhi\u1ec1u h\u00ecnh d\u1ea1ng kh\u00e1c nhau. C\u00e1c h\u00ecnh d\u1ea1ng ph\u1ed5 bi\u1ebfn nh\u1ea5t l\u00e0 thanh, \u0111\u0129a v\u00e0 h\u00ecnh tr\u1ee5. Tuy nhi\u00ean, nam ch\u00e2m c\u00f3 th\u1ec3 \u0111\u00fac theo khu\u00f4n t\u00f9y ch\u1ec9nh. Ch\u00fang c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c m\u00e0i \u0111\u1ec3 \u0111\u00fang k\u00edch th\u01b0\u1edbc b\u1ea1n c\u1ea7n. B\u1ea1n c\u00f3 th\u1ec3 d\u00f9ng c\u1eaft b\u1eb1ng d\u00e2y \u0111i\u1ec7n, khoan si\u00eau \u00e2m, v\u00e0 gia c\u00f4ng CNC \u0111\u1ec3 t\u1ea1o ra nam ch\u00e2m c\u00f3 h\u00ecnh d\u1ea1ng ph\u1ee9c t\u1ea1p. C\u00e1c h\u00ecnh d\u1ea1ng nh\u01b0 cung, \u0111o\u1ea1n, v\u00f2ng nhi\u1ec1u ng\u00f3n, v\u00e0 nhi\u1ec1u h\u01a1n n\u1eefa. Nh\u1eefng h\u00ecnh d\u1ea1ng n\u00e0y th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong c\u00e1c thi\u1ebft k\u1ebf \u0111\u1ed9ng c\u01a1 cao c\u1ea5p nh\u01b0 nam ch\u00e2m cung neodymium.<\/p>\n

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Nam ch\u00e2m neodymium v\u00e0 c\u00e1c h\u00ecnh d\u1ea1ng \u0111\u1eb7c bi\u1ec7t<\/strong><\/a><\/span><\/h3>\n

Nam ch\u00e2m neodymium l\u00e0 lo\u1ea1i nam ch\u00e2m m\u1ea1nh nh\u1ea5t hi\u1ec7n c\u00f3. B\u1ea1n c\u00f3 th\u1ec3 ch\u1ebf t\u1ea1o nam ch\u00e2m neodymium th\u00e0nh c\u00e1c h\u00ecnh d\u1ea1ng nh\u01b0 m\u00f3ng ng\u1ef1a, cung, ho\u1eb7c \u0111o\u1ea1n h\u00ecnh b\u00e1nh m\u00ec. Nh\u1eefng nam ch\u00e2m n\u00e0y \u0111\u01b0\u1ee3c d\u00f9ng trong c\u00e1c \u0111\u1ed9ng c\u01a1 hi\u1ec7u su\u1ea5t cao v\u00ec ch\u00fang ph\u00f9 h\u1ee3p ho\u00e0n h\u1ea3o v\u1edbi c\u00e1c b\u1ed9 ph\u1eadn tr\u00f2n nh\u01b0 rotor v\u00e0 stator. Nam ch\u00e2m h\u00ecnh m\u00f3ng ng\u1ef1a \u00edt \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng n\u1eefa (ngo\u1ea1i tr\u1eeb trong c\u00e1c bu\u1ed5i th\u00ed nghi\u1ec7m gi\u00e1o d\u1ee5c), nh\u01b0ng ch\u00fang l\u00e0 bi\u1ec3u t\u01b0\u1ee3ng c\u1ee7a nam ch\u00e2m.<\/p>\n

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T\u00f3m l\u1ea1i, h\u00ecnh d\u1ea1ng c\u1ee7a nam ch\u00e2m quy\u1ebft \u0111\u1ecbnh c\u00e1ch n\u00f3 ho\u1ea1t \u0111\u1ed9ng v\u00e0 c\u00e1ch b\u1ea1n s\u1eed d\u1ee5ng n\u00f3. C\u00e1c h\u00ecnh d\u1ea1ng kh\u00e1c nhau c\u00f3 c\u00e1c \u1ee9ng d\u1ee5ng kh\u00e1c nhau. C\u00f4ng ty Nam ch\u00e2m NBAEM l\u00e0 nh\u00e0 cung c\u1ea5p h\u00e0ng \u0111\u1ea7u to\u00e0n c\u1ea7u v\u1ec1 nam ch\u00e2m \u0111\u1ea5t hi\u1ebfm v\u00e0 kh\u00f4ng \u0111\u1ea5t hi\u1ebfm ch\u1ea5t l\u01b0\u1ee3ng cao. Ch\u00fang t\u00f4i cung c\u1ea5p c\u00e1c gi\u1ea3i ph\u00e1p t\u00f9y ch\u1ec9nh v\u1edbi gi\u00e1 c\u1ea1nh tranh. Ch\u00fang t\u00f4i c\u00f3 \u0111\u1ed9i ng\u0169 chuy\u00ean gia s\u1eb5n s\u00e0ng h\u1ed7 tr\u1ee3 b\u1ea1n. Truy c\u1eadp trang web c\u1ee7a ch\u00fang t\u00f4i \u0111\u1ec3 bi\u1ebft th\u00eam th\u00f4ng tin v\u1ec1 h\u00ecnh d\u1ea1ng nam ch\u00e2m v\u00e0 c\u00e1c \u1ee9ng d\u1ee5ng c\u1ee7a ch\u00fang.<\/p>","protected":false},"excerpt":{"rendered":"

Nam ch\u00e2m c\u00f3 nhi\u1ec1u lo\u1ea1i v\u1eadt li\u1ec7u, k\u00edch th\u01b0\u1edbc v\u00e0 h\u00ecnh d\u1ea1ng kh\u00e1c nhau. H\u00ecnh d\u1ea1ng c\u1ee7a nam ch\u00e2m quy\u1ebft \u0111\u1ecbnh c\u00e1ch n\u00f3 ho\u1ea1t \u0111\u1ed9ng, c\u00e1ch n\u00f3 t\u01b0\u01a1ng t\u00e1c v\u1edbi c\u00e1c v\u1eadt th\u1ec3 kh\u00e1c, v\u00e0 c\u00e1ch n\u00f3 t\u01b0\u01a1ng t\u00e1c v\u1edbi c\u00e1c tr\u01b0\u1eddng t\u1eeb kh\u00e1c. H\u00ecnh d\u1ea1ng c\u1ee7a nam ch\u00e2m c\u0169ng quy\u1ebft \u0111\u1ecbnh \u0111\u1ed9 m\u1ea1nh c\u1ee7a n\u00f3. Nam ch\u00e2m que Nam ch\u00e2m que l\u00e0 lo\u1ea1i [...]<\/p>","protected":false},"author":1,"featured_media":632,"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-1482","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-uncategorized"],"jetpack_featured_media_url":"https:\/\/nbaem.com\/wp-content\/uploads\/2022\/06\/ALNICO-magnet-\u603b\u56fe-2.png","_links":{"self":[{"href":"https:\/\/nbaem.com\/vi\/wp-json\/wp\/v2\/posts\/1482","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=1482"}],"version-history":[{"count":2,"href":"https:\/\/nbaem.com\/vi\/wp-json\/wp\/v2\/posts\/1482\/revisions"}],"predecessor-version":[{"id":1484,"href":"https:\/\/nbaem.com\/vi\/wp-json\/wp\/v2\/posts\/1482\/revisions\/1484"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/nbaem.com\/vi\/wp-json\/wp\/v2\/media\/632"}],"wp:attachment":[{"href":"https:\/\/nbaem.com\/vi\/wp-json\/wp\/v2\/media?parent=1482"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/nbaem.com\/vi\/wp-json\/wp\/v2\/categories?post=1482"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/nbaem.com\/vi\/wp-json\/wp\/v2\/tags?post=1482"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}