{"id":2430,"date":"2025-11-28T04:45:44","date_gmt":"2025-11-28T04:45:44","guid":{"rendered":"https:\/\/vinamagnet.vn\/?p=2430"},"modified":"2025-11-28T04:45:44","modified_gmt":"2025-11-28T04:45:44","slug":"nam-cham-loc-sat-bi-giam-luc-tu-nguyen-nhan-dau-hieu","status":"publish","type":"post","link":"https:\/\/vinamagnet.vn\/?p=2430","title":{"rendered":"Nam ch\u00e2m l\u1ecdc s\u1eaft b\u1ecb gi\u1ea3m l\u1ef1c t\u1eeb: Nguy\u00ean nh\u00e2n quan tr\u1ecdng \u2013 D\u1ea5u hi\u1ec7u \u2013 C\u00e1ch kh\u1eafc ph\u1ee5c tri\u1ec7t \u0111\u1ec3 cho nh\u00e0 m\u00e1y"},"content":{"rendered":"<h2 data-start=\"1173\" data-end=\"1195\"><span style=\"font-family: 'times new roman', times, serif;\"><strong data-start=\"1178\" data-end=\"1195\">1. Gi\u1edbi thi\u1ec7u<\/strong><\/span><\/h2>\n<p data-start=\"1197\" data-end=\"1415\"><span style=\"font-family: 'times new roman', times, serif;\">Trong c\u00e1c ng\u00e0nh s\u1ea3n xu\u1ea5t nh\u01b0: <strong data-start=\"1227\" data-end=\"1297\">nh\u1ef1a \u2013 th\u1ef1c ph\u1ea9m \u2013 h\u00f3a ch\u1ea5t \u2013 g\u1ed7 \u2013 t\u00e1i ch\u1ebf \u2013 n\u00f4ng s\u1ea3n \u2013 kho\u00e1ng s\u1ea3n<\/strong>, nam ch\u00e2m l\u1ecdc s\u1eaft lu\u00f4n \u0111\u00f3ng vai tr\u00f2 quan tr\u1ecdng \u0111\u1ec3 <strong data-start=\"1348\" data-end=\"1377\">lo\u1ea1i b\u1ecf t\u1ea1p ch\u1ea5t kim lo\u1ea1i<\/strong>, b\u1ea3o v\u1ec7 m\u00e1y m\u00f3c v\u00e0 gi\u1ea3m l\u1ed7i s\u1ea3n ph\u1ea9m.<\/span><\/p>\n<p data-start=\"1417\" data-end=\"1555\"><span style=\"font-family: 'times new roman', times, serif;\">Tuy nhi\u00ean, nhi\u1ec1u nh\u00e0 m\u00e1y g\u1eb7p v\u1ea5n \u0111\u1ec1:<\/span><br data-start=\"1453\" data-end=\"1456\" \/><span style=\"font-family: 'times new roman', times, serif;\">\ud83d\udc49 <strong data-start=\"1459\" data-end=\"1520\">Nam ch\u00e2m l\u1ecdc s\u1eaft b\u1ecb gi\u1ea3m l\u1ef1c t\u1eeb sau m\u1ed9t th\u1eddi gian s\u1eed d\u1ee5ng<\/strong>, khi\u1ebfn kh\u1ea3 n\u0103ng h\u00fat y\u1ebfu \u0111i r\u00f5 r\u1ec7t.<\/span><\/p>\n<p data-start=\"1557\" data-end=\"1584\"><span style=\"font-family: 'times new roman', times, serif;\">\u0110i\u1ec1u n\u00e0y d\u1eabn \u0111\u1ebfn nguy c\u01a1:<\/span><\/p>\n<ul data-start=\"1585\" data-end=\"1718\">\n<li data-start=\"1585\" data-end=\"1624\">\n<p data-start=\"1587\" data-end=\"1624\"><span style=\"font-family: 'times new roman', times, serif;\">S\u1eaft l\u1ecdt v\u00e0o m\u00e1y nghi\u1ec1n, l\u00e0m m\u00f2n dao<\/span><\/p>\n<\/li>\n<li data-start=\"1625\" data-end=\"1649\">\n<p data-start=\"1627\" data-end=\"1649\"><span style=\"font-family: 'times new roman', times, serif;\">Ch\u00e1y motor \u2013 h\u01b0 \u1ed5 bi<\/span><\/p>\n<\/li>\n<li data-start=\"1650\" data-end=\"1693\">\n<p data-start=\"1652\" data-end=\"1693\"><span style=\"font-family: 'times new roman', times, serif;\">S\u1ea3n ph\u1ea9m b\u1ecb l\u1eabn kim lo\u1ea1i \u2192 l\u1ed7i s\u1ea3n xu\u1ea5t<\/span><\/p>\n<\/li>\n<li data-start=\"1694\" data-end=\"1718\">\n<p data-start=\"1696\" data-end=\"1718\"><span style=\"font-family: 'times new roman', times, serif;\">T\u0103ng chi ph\u00ed b\u1ea3o tr\u00ec<\/span><\/p>\n<\/li>\n<\/ul>\n<p data-start=\"1720\" data-end=\"1863\"><span style=\"font-family: 'times new roman', times, serif;\">B\u00e0i vi\u1ebft n\u00e0y gi\u00fap b\u1ea1n hi\u1ec3u <strong data-start=\"1747\" data-end=\"1799\">nguy\u00ean nh\u00e2n \u2013 d\u1ea5u hi\u1ec7u \u2013 c\u00e1ch kh\u1eafc ph\u1ee5c tri\u1ec7t \u0111\u1ec3<\/strong>, \u0111\u1ec3 nam ch\u00e2m lu\u00f4n ho\u1ea1t \u0111\u1ed9ng \u1ed5n \u0111\u1ecbnh v\u00e0 \u0111\u1ea1t hi\u1ec7u qu\u1ea3 l\u1ecdc t\u1ed1i \u0111a.<\/span><\/p>\n<h2 data-start=\"1870\" data-end=\"1940\"><span style=\"font-family: 'times new roman', times, serif;\"><strong data-start=\"1875\" data-end=\"1940\">2. Nam ch\u00e2m l\u1ecdc s\u1eaft l\u00e0 g\u00ec? Gia\u0301 tr\u1ecb Gauss quan tr\u1ecdng th\u1ebf n\u00e0o?<\/strong><\/span><\/h2>\n<p data-start=\"1942\" data-end=\"2056\"><span style=\"font-family: 'times new roman', times, serif;\">Nam ch\u00e2m l\u1ecdc s\u1eaft l\u00e0 thi\u1ebft b\u1ecb d\u00f9ng \u0111\u1ec3 lo\u1ea1i b\u1ecf s\u1eaft v\u00e0 t\u1ea1p kim lo\u1ea1i trong nguy\u00ean li\u1ec7u tr\u01b0\u1edbc khi \u0111\u01b0a v\u00e0o m\u00e1y s\u1ea3n xu\u1ea5t.<\/span><\/p>\n<p data-start=\"1942\" data-end=\"2056\"><img fetchpriority=\"high\" decoding=\"async\" class=\"alignnone  wp-image-2290\" src=\"https:\/\/vinamagnet.vn\/wp-content\/uploads\/2025\/06\/3-280x280.png\" alt=\"nam ch\u00e2m l\u1ecdc s\u1eaft b\u1ecb gi\u1ea3m l\u1ef1c t\u1eeb\" width=\"233\" height=\"233\" srcset=\"https:\/\/vinamagnet.vn\/wp-content\/uploads\/2025\/06\/3-280x280.png 280w, https:\/\/vinamagnet.vn\/wp-content\/uploads\/2025\/06\/3-768x768.png 768w, https:\/\/vinamagnet.vn\/wp-content\/uploads\/2025\/06\/3-24x24.png 24w, https:\/\/vinamagnet.vn\/wp-content\/uploads\/2025\/06\/3-36x36.png 36w, https:\/\/vinamagnet.vn\/wp-content\/uploads\/2025\/06\/3-48x48.png 48w, https:\/\/vinamagnet.vn\/wp-content\/uploads\/2025\/06\/3-300x300.png 300w, https:\/\/vinamagnet.vn\/wp-content\/uploads\/2025\/06\/3-600x600.png 600w, https:\/\/vinamagnet.vn\/wp-content\/uploads\/2025\/06\/3-100x100.png 100w, https:\/\/vinamagnet.vn\/wp-content\/uploads\/2025\/06\/3.png 900w\" sizes=\"(max-width: 233px) 100vw, 233px\" \/> <img decoding=\"async\" class=\"alignnone  wp-image-2204\" src=\"https:\/\/vinamagnet.vn\/wp-content\/uploads\/2025\/02\/4-23-280x280.png\" alt=\"\" width=\"229\" height=\"229\" srcset=\"https:\/\/vinamagnet.vn\/wp-content\/uploads\/2025\/02\/4-23-280x280.png 280w, https:\/\/vinamagnet.vn\/wp-content\/uploads\/2025\/02\/4-23-768x768.png 768w, https:\/\/vinamagnet.vn\/wp-content\/uploads\/2025\/02\/4-23-24x24.png 24w, https:\/\/vinamagnet.vn\/wp-content\/uploads\/2025\/02\/4-23-36x36.png 36w, https:\/\/vinamagnet.vn\/wp-content\/uploads\/2025\/02\/4-23-48x48.png 48w, https:\/\/vinamagnet.vn\/wp-content\/uploads\/2025\/02\/4-23-300x300.png 300w, https:\/\/vinamagnet.vn\/wp-content\/uploads\/2025\/02\/4-23-600x600.png 600w, https:\/\/vinamagnet.vn\/wp-content\/uploads\/2025\/02\/4-23-100x100.png 100w, https:\/\/vinamagnet.vn\/wp-content\/uploads\/2025\/02\/4-23.png 900w\" sizes=\"(max-width: 229px) 100vw, 229px\" \/> <img decoding=\"async\" class=\"alignnone  wp-image-2198\" src=\"https:\/\/vinamagnet.vn\/wp-content\/uploads\/2025\/02\/4-22-280x280.png\" alt=\"\" width=\"231\" height=\"231\" srcset=\"https:\/\/vinamagnet.vn\/wp-content\/uploads\/2025\/02\/4-22-280x280.png 280w, https:\/\/vinamagnet.vn\/wp-content\/uploads\/2025\/02\/4-22-768x768.png 768w, https:\/\/vinamagnet.vn\/wp-content\/uploads\/2025\/02\/4-22-24x24.png 24w, https:\/\/vinamagnet.vn\/wp-content\/uploads\/2025\/02\/4-22-36x36.png 36w, https:\/\/vinamagnet.vn\/wp-content\/uploads\/2025\/02\/4-22-48x48.png 48w, https:\/\/vinamagnet.vn\/wp-content\/uploads\/2025\/02\/4-22-300x300.png 300w, https:\/\/vinamagnet.vn\/wp-content\/uploads\/2025\/02\/4-22-600x600.png 600w, https:\/\/vinamagnet.vn\/wp-content\/uploads\/2025\/02\/4-22-100x100.png 100w, https:\/\/vinamagnet.vn\/wp-content\/uploads\/2025\/02\/4-22.png 900w\" sizes=\"(max-width: 231px) 100vw, 231px\" \/><\/p>\n<h3 data-start=\"2058\" data-end=\"2080\"><span style=\"font-family: 'times new roman', times, serif;\"><strong data-start=\"2062\" data-end=\"2078\">2.1. Gauss l\u00e0 g\u00ec?<\/strong><\/span><\/h3>\n<p data-start=\"2081\" data-end=\"2128\"><span style=\"font-family: 'times new roman', times, serif;\">Gauss l\u00e0 \u0111\u01a1n v\u1ecb \u0111o <strong data-start=\"2100\" data-end=\"2125\">\u0111\u1ed9 m\u1ea1nh c\u1ee7a t\u1eeb tr\u01b0\u1eddng<\/strong>.<\/span><\/p>\n<ul data-start=\"2129\" data-end=\"2215\">\n<li data-start=\"2129\" data-end=\"2166\">\n<p data-start=\"2131\" data-end=\"2166\"><span style=\"font-family: 'times new roman', times, serif;\">Gauss c\u00e0ng cao \u2192 h\u00fat s\u1eaft m\u1ea1nh h\u01a1n<\/span><\/p>\n<\/li>\n<li data-start=\"2167\" data-end=\"2215\">\n<p data-start=\"2169\" data-end=\"2215\"><span style=\"font-family: 'times new roman', times, serif;\">Gauss gi\u1ea3m \u2192 nam ch\u00e2m h\u00fat y\u1ebfu \u2192 s\u1eaft d\u1ec5 l\u1ecdt qua<\/span><\/p>\n<\/li>\n<\/ul>\n<h3 data-start=\"2217\" data-end=\"2267\"><span style=\"font-family: 'times new roman', times, serif;\"><strong data-start=\"2221\" data-end=\"2265\">2.2. C\u00e1c lo\u1ea1i nam ch\u00e2m ph\u1ed5 bi\u1ebfn trong nh\u00e0 m\u00e1y<\/strong><\/span><\/h3>\n<ul data-start=\"2268\" data-end=\"2439\">\n<li data-start=\"2268\" data-end=\"2294\">\n<p data-start=\"2270\" data-end=\"2294\"><span style=\"font-family: 'times new roman', times, serif;\">Nam ch\u00e2m thanh l\u1ecdc s\u1eaft<\/span><\/p>\n<\/li>\n<li data-start=\"2295\" data-end=\"2330\">\n<p data-start=\"2297\" data-end=\"2330\"><span style=\"font-family: 'times new roman', times, serif;\">L\u01b0\u1edbi nam ch\u00e2m l\u1ecdc s\u1eaft 5\u20137 thanh<\/span><\/p>\n<\/li>\n<li data-start=\"2331\" data-end=\"2363\">\n<p data-start=\"2333\" data-end=\"2363\"><span style=\"font-family: 'times new roman', times, serif;\">Nam ch\u00e2m ph\u1ec5u cho ng\u00e0nh nh\u1ef1a<\/span><\/p>\n<\/li>\n<li data-start=\"2364\" data-end=\"2398\">\n<p data-start=\"2366\" data-end=\"2398\"><span style=\"font-family: 'times new roman', times, serif;\">Nam ch\u00e2m treo b\u0103ng t\u1ea3i<\/span><\/p>\n<\/li>\n<li data-start=\"2399\" data-end=\"2439\">\n<p data-start=\"2401\" data-end=\"2439\"><span style=\"font-family: 'times new roman', times, serif;\">B\u1eaby nam ch\u00e2m \u0111\u01b0\u1eddng \u1ed1ng (Magnetic Trap)<\/span><\/p>\n<\/li>\n<li data-start=\"2399\" data-end=\"2439\">&#8230;..<\/li>\n<\/ul>\n<p data-start=\"2441\" data-end=\"2522\"><span style=\"font-family: 'times new roman', times, serif;\">\ud83d\udc49 Tham kh\u1ea3o c\u00e1c lo\u1ea1i nam ch\u00e2m l\u1ecdc s\u1eaft: <a class=\"decorated-link cursor-pointer\" href=\"https:\/\/vinamagnet.vn\/product-category\/nam-cham-cong-nghiep\/\" data-start=\"2483\" data-end=\"2522\">Nam ch\u00e2m l\u1ecdc s\u1eaft<\/a><\/span><\/p>\n<h2 data-start=\"2529\" data-end=\"2608\"><span style=\"font-family: 'times new roman', times, serif;\"><strong data-start=\"2534\" data-end=\"2606\">3. T\u1ea1i sao nam ch\u00e2m l\u1ecdc s\u1eaft b\u1ecb gi\u1ea3m l\u1ef1c t\u1eeb? (7 NGUY\u00caN NH\u00c2N CHI TI\u1ebeT)<\/strong><\/span><\/h2>\n<p data-start=\"2609\" data-end=\"2733\"><span style=\"font-family: 'times new roman', times, serif;\">D\u01b0\u1edbi \u0111\u00e2y l\u00e0 c\u00e1c nguy\u00ean nh\u00e2n ph\u1ed5 bi\u1ebfn nh\u1ea5t khi\u1ebfn <strong data-start=\"2657\" data-end=\"2680\">nam ch\u00e2m gi\u1ea3m Gauss<\/strong>, \u0111\u00e3 \u0111\u01b0\u1ee3c ghi nh\u1eadn qua th\u1ef1c t\u1ebf t\u1ea1i h\u00e0ng tr\u0103m nh\u00e0 m\u00e1y.<\/span><\/p>\n<h3 data-start=\"2740\" data-end=\"2796\"><span style=\"font-family: 'times new roman', times, serif;\"><strong data-start=\"2743\" data-end=\"2796\">3.1. Nhi\u1ec7t \u0111\u1ed9 v\u01b0\u1ee3t ng\u01b0\u1ee1ng ch\u1ecbu nhi\u1ec7t c\u1ee7a nam ch\u00e2m<\/strong><\/span><\/h3>\n<p data-start=\"2798\" data-end=\"2975\"><span style=\"font-family: 'times new roman', times, serif;\">\u0110\u00e2y l\u00e0 <strong data-start=\"2805\" data-end=\"2825\">nguy\u00ean nh\u00e2n s\u1ed1 1<\/strong> khi\u1ebfn nam ch\u00e2m m\u1ea5t t\u1eeb t\u00ednh.<\/span><br data-start=\"2853\" data-end=\"2856\" \/><span style=\"font-family: 'times new roman', times, serif;\">Nam ch\u00e2m Neodymium th\u00f4ng th\u01b0\u1eddng ch\u1ec9 ch\u1ecbu \u0111\u01b0\u1ee3c <strong data-start=\"2902\" data-end=\"2913\">60\u201380\u00b0C<\/strong>. Khi v\u01b0\u1ee3t ng\u01b0\u1ee1ng, c\u1ea5u tr\u00fac t\u1eeb b\u1ecb \u0111\u1ea3o l\u1ed9n \u2192 l\u1ef1c t\u1eeb gi\u1ea3m nhanh.<\/span><\/p>\n<p data-start=\"2977\" data-end=\"3000\"><span style=\"font-family: 'times new roman', times, serif;\"><strong data-start=\"2977\" data-end=\"2998\">C\u00e1c ng\u00e0nh d\u1ec5 g\u1eb7p:<\/strong><\/span><\/p>\n<ul data-start=\"3001\" data-end=\"3106\">\n<li data-start=\"3001\" data-end=\"3018\">\n<p data-start=\"3003\" data-end=\"3018\"><span style=\"font-family: 'times new roman', times, serif;\">Nh\u1ef1a t\u00e1i sinh<\/span><\/p>\n<\/li>\n<li data-start=\"3019\" data-end=\"3035\">\n<p data-start=\"3021\" data-end=\"3035\"><span style=\"font-family: 'times new roman', times, serif;\">Nh\u1ef1a \u00e9p phun<\/span><\/p>\n<\/li>\n<li data-start=\"3036\" data-end=\"3046\">\n<p data-start=\"3038\" data-end=\"3046\"><span style=\"font-family: 'times new roman', times, serif;\">Cao su<\/span><\/p>\n<\/li>\n<li data-start=\"3047\" data-end=\"3079\">\n<p data-start=\"3049\" data-end=\"3079\"><span style=\"font-family: 'times new roman', times, serif;\">T\u00e1i ch\u1ebf h\u1ea1t nh\u1ef1a nguy\u00ean sinh<\/span><\/p>\n<\/li>\n<li data-start=\"3080\" data-end=\"3106\">\n<p data-start=\"3082\" data-end=\"3106\"><span style=\"font-family: 'times new roman', times, serif;\">S\u1ea5y \u2013 tr\u1ed9n v\u1eadt li\u1ec7u n\u00f3ng<\/span><\/p>\n<\/li>\n<\/ul>\n<p data-start=\"3108\" data-end=\"3195\"><span style=\"font-family: 'times new roman', times, serif;\">\ud83d\udcda Tham kh\u1ea3o khoa h\u1ecdc: <a class=\"decorated-link cursor-pointer\" href=\"https:\/\/www.kjmagnetics.com\/blog.asp?p=temperature-and-magnets\" data-start=\"3133\" data-end=\"3195\" target=\"_blank\" rel=\"noopener\">Nhi\u1ec7t \u0111\u1ed9 \u1ea3nh h\u01b0\u1edfng t\u1edbi nam ch\u00e2m<\/a><\/span><\/p>\n<p data-start=\"3108\" data-end=\"3195\"><img loading=\"lazy\" decoding=\"async\" class=\"size-medium wp-image-2418 aligncenter\" src=\"https:\/\/vinamagnet.vn\/wp-content\/uploads\/2025\/11\/4fd21687-d437-427b-88de-c04dab17f162-280x280.png\" alt=\"nam ch\u00e2m l\u1ecdc s\u1eaft\" width=\"280\" height=\"280\" srcset=\"https:\/\/vinamagnet.vn\/wp-content\/uploads\/2025\/11\/4fd21687-d437-427b-88de-c04dab17f162-280x280.png 280w, https:\/\/vinamagnet.vn\/wp-content\/uploads\/2025\/11\/4fd21687-d437-427b-88de-c04dab17f162-768x768.png 768w, https:\/\/vinamagnet.vn\/wp-content\/uploads\/2025\/11\/4fd21687-d437-427b-88de-c04dab17f162-24x24.png 24w, https:\/\/vinamagnet.vn\/wp-content\/uploads\/2025\/11\/4fd21687-d437-427b-88de-c04dab17f162-36x36.png 36w, https:\/\/vinamagnet.vn\/wp-content\/uploads\/2025\/11\/4fd21687-d437-427b-88de-c04dab17f162-48x48.png 48w, https:\/\/vinamagnet.vn\/wp-content\/uploads\/2025\/11\/4fd21687-d437-427b-88de-c04dab17f162-300x300.png 300w, https:\/\/vinamagnet.vn\/wp-content\/uploads\/2025\/11\/4fd21687-d437-427b-88de-c04dab17f162-600x600.png 600w, https:\/\/vinamagnet.vn\/wp-content\/uploads\/2025\/11\/4fd21687-d437-427b-88de-c04dab17f162-100x100.png 100w, https:\/\/vinamagnet.vn\/wp-content\/uploads\/2025\/11\/4fd21687-d437-427b-88de-c04dab17f162.png 1024w\" sizes=\"(max-width: 280px) 100vw, 280px\" \/><\/p>\n<h3 data-start=\"3202\" data-end=\"3255\"><span style=\"font-family: 'times new roman', times, serif;\"><strong data-start=\"3205\" data-end=\"3255\">3.2. Oxy h\u00f3a \u2013 r\u1ec9 s\u00e9t do l\u1edbp m\u1ea1 k\u00e9m ch\u1ea5t l\u01b0\u1ee3ng<\/strong><\/span><\/h3>\n<p data-start=\"3257\" data-end=\"3407\"><span style=\"font-family: 'times new roman', times, serif;\">L\u1edbp m\u1ea1 (Ni\u2013Cu\u2013Ni ho\u1eb7c Epoxy) b\u1ecb tr\u1ea7y x\u01b0\u1edbc ho\u1eb7c k\u00e9m ch\u1ea5t l\u01b0\u1ee3ng khi\u1ebfn h\u01a1i \u1ea9m &amp; h\u00f3a ch\u1ea5t th\u1ea5m v\u00e0o \u2192 l\u00f5i nam ch\u00e2m b\u1ecb <strong data-start=\"3370\" data-end=\"3381\">oxy h\u00f3a<\/strong> \u2192 gi\u1ea3m t\u1eeb t\u00ednh v\u0129nh vi\u1ec5n.<\/span><\/p>\n<p data-start=\"3409\" data-end=\"3430\"><span style=\"font-family: 'times new roman', times, serif;\">D\u1ea5u hi\u1ec7u nh\u1eadn bi\u1ebft:<\/span><\/p>\n<ul data-start=\"3431\" data-end=\"3499\">\n<li data-start=\"3431\" data-end=\"3453\">\n<p data-start=\"3433\" data-end=\"3453\"><span style=\"font-family: 'times new roman', times, serif;\">Nam ch\u00e2m ph\u1ed3ng nh\u1eb9<\/span><\/p>\n<\/li>\n<li data-start=\"3454\" data-end=\"3475\">\n<p data-start=\"3456\" data-end=\"3475\"><span style=\"font-family: 'times new roman', times, serif;\">Xu\u1ea5t hi\u1ec7n ch\u1ea5m g\u1ec9<\/span><\/p>\n<\/li>\n<li data-start=\"3476\" data-end=\"3499\">\n<p data-start=\"3478\" data-end=\"3499\"><span style=\"font-family: 'times new roman', times, serif;\">L\u1ef1c h\u00fat gi\u1ea3m \u0111\u1ed9t ng\u1ed9t<\/span><\/p>\n<\/li>\n<\/ul>\n<h3 data-start=\"3506\" data-end=\"3554\"><span style=\"font-family: 'times new roman', times, serif;\"><strong data-start=\"3509\" data-end=\"3554\">3.3. Nam ch\u00e2m b\u1ecb va \u0111\u1eadp m\u1ea1nh khi thao t\u00e1c<\/strong><\/span><\/h3>\n<p data-start=\"3556\" data-end=\"3624\"><span style=\"font-family: 'times new roman', times, serif;\">R\u01a1i r\u1edbt ho\u1eb7c va \u0111\u1eadp m\u1ea1nh c\u00f3 th\u1ec3 ph\u00e1 v\u1ee1 c\u1ea5u tr\u00fac t\u1eeb \u2192 l\u1ef1c h\u00fat y\u1ebfu \u0111i.<\/span><\/p>\n<p data-start=\"3626\" data-end=\"3634\"><span style=\"font-family: 'times new roman', times, serif;\">V\u00ed d\u1ee5:<\/span><\/p>\n<ul data-start=\"3635\" data-end=\"3742\">\n<li data-start=\"3635\" data-end=\"3700\">\n<p data-start=\"3637\" data-end=\"3700\"><span style=\"font-family: 'times new roman', times, serif;\">C\u00f4ng nh\u00e2n th\u00e1o l\u01b0\u1edbi nam ch\u00e2m \u0111\u1ec3 v\u1ec7 sinh nh\u01b0ng v\u00f4 t\u00ecnh l\u00e0m r\u01a1i<\/span><\/p>\n<\/li>\n<li data-start=\"3701\" data-end=\"3742\">\n<p data-start=\"3703\" data-end=\"3742\"><span style=\"font-family: 'times new roman', times, serif;\">Va ch\u1ea1m v\u00e0o th\u00e0nh m\u00e1y ho\u1eb7c kim lo\u1ea1i l\u1edbn<\/span><\/p>\n<\/li>\n<\/ul>\n<h3 data-start=\"3749\" data-end=\"3812\"><span style=\"font-family: 'times new roman', times, serif;\"><strong data-start=\"3752\" data-end=\"3812\">3.4. T\u00edch t\u1ee5 s\u1eaft qu\u00e1 nhi\u1ec1u nh\u01b0ng kh\u00f4ng v\u1ec7 sinh \u0111\u00fang c\u00e1ch<\/strong><\/span><\/h3>\n<p data-start=\"3814\" data-end=\"3893\"><span style=\"font-family: 'times new roman', times, serif;\">Khi s\u1eaft b\u00e1m d\u00e0y:<\/span><br data-start=\"3830\" data-end=\"3833\" \/><span style=\"font-family: 'times new roman', times, serif;\">\u2192 L\u1edbp s\u1eaft tr\u1edf th\u00e0nh \u201ct\u01b0\u1eddng ch\u1eafn\u201d \u2192 gi\u1ea3m 30\u201350% kh\u1ea3 n\u0103ng h\u00fat.<\/span><\/p>\n<p data-start=\"3895\" data-end=\"3970\"><span style=\"font-family: 'times new roman', times, serif;\">M\u1ed9t s\u1ed1 nh\u00e0 m\u00e1y v\u1ec7 sinh qu\u00e1 \u00edt (2\u20133 ng\u00e0y\/l\u1ea7n) \u2192 d\u1eabn \u0111\u1ebfn gi\u1ea3m Gauss h\u1eefu d\u1ee5ng.<\/span><\/p>\n<h3 data-start=\"3977\" data-end=\"4021\"><span style=\"font-family: 'times new roman', times, serif;\"><strong data-start=\"3980\" data-end=\"4021\">3.5. S\u1eed d\u1ee5ng nam ch\u00e2m kh\u00f4ng \u0111\u00fang lo\u1ea1i<\/strong><\/span><\/h3>\n<p data-start=\"4023\" data-end=\"4047\"><span style=\"font-family: 'times new roman', times, serif;\">M\u1ed9t s\u1ed1 l\u1ed7i th\u01b0\u1eddng g\u1eb7p:<\/span><\/p>\n<ul data-start=\"4048\" data-end=\"4236\">\n<li data-start=\"4048\" data-end=\"4092\">\n<p data-start=\"4050\" data-end=\"4092\"><span style=\"font-family: 'times new roman', times, serif;\">D\u00f9ng thanh 16mm trong khi c\u1ea7n thanh 25mm v\u00e0 32mm<\/span><\/p>\n<\/li>\n<li data-start=\"4093\" data-end=\"4135\">\n<p data-start=\"4095\" data-end=\"4135\"><span style=\"font-family: 'times new roman', times, serif;\">D\u00f9ng nam ch\u00e2m th\u01b0\u1eddng \u1edf m\u00f4i tr\u01b0\u1eddng n\u00f3ng<\/span><\/p>\n<\/li>\n<li data-start=\"4136\" data-end=\"4182\">\n<p data-start=\"4138\" data-end=\"4182\"><span style=\"font-family: 'times new roman', times, serif;\">L\u1ef1a ch\u1ecdn Gauss th\u1ea5p cho v\u1eadt li\u1ec7u nhi\u1ec1u s\u1eaft<\/span><\/p>\n<\/li>\n<li data-start=\"4183\" data-end=\"4236\">\n<p data-start=\"4185\" data-end=\"4236\"><span style=\"font-family: 'times new roman', times, serif;\">D\u00f9ng nam ch\u00e2m k\u00e9m ch\u1ea5t l\u01b0\u1ee3ng, t\u1eeb tr\u01b0\u1eddng kh\u00f4ng chu\u1ea9n<\/span><\/p>\n<\/li>\n<\/ul>\n<h3 data-start=\"4243\" data-end=\"4289\"><span style=\"font-family: 'times new roman', times, serif;\"><strong data-start=\"4246\" data-end=\"4289\">3.6. Nam ch\u00e2m b\u1ecb gi\u00e0 h\u00f3a theo th\u1eddi gian<\/strong><\/span><\/h3>\n<p data-start=\"4291\" data-end=\"4461\"><span style=\"font-family: 'times new roman', times, serif;\">Theo nghi\u00ean c\u1ee9u khoa h\u1ecdc, nam ch\u00e2m <strong data-start=\"4326\" data-end=\"4360\">gi\u1ea3m t\u1eeb t\u00ednh t\u1ef1 nhi\u00ean 1\u20133%\/n\u0103m<\/strong>.<\/span><br data-start=\"4361\" data-end=\"4364\" \/><span style=\"font-family: 'times new roman', times, serif;\">\ud83d\udcda Ngu\u1ed3n tham kh\u1ea3o: <a href=\"https:\/\/www.sciencedirect.com\/topics\/physics-and-astronomy\/magnetic-properties\" target=\"_blank\" rel=\"noopener\">Nam ch\u00e2m b\u1ecb gi\u00e0 h\u00f3a theo th\u1eddi gian<\/a><\/span><\/p>\n<h3 data-start=\"4468\" data-end=\"4536\"><span style=\"font-family: 'times new roman', times, serif;\"><strong data-start=\"4471\" data-end=\"4536\">3.7. Ch\u1ea5t l\u01b0\u1ee3ng keo &amp; c\u1ea5u tr\u00fac thanh nam ch\u00e2m kh\u00f4ng \u0111\u1ea1t chu\u1ea9n<\/strong><\/span><\/h3>\n<p data-start=\"4538\" data-end=\"4577\"><span style=\"font-family: 'times new roman', times, serif;\">Nhi\u1ec1u nh\u00e0 m\u00e1y mua nam ch\u00e2m gi\u00e1 r\u1ebb c\u00f3:<\/span><\/p>\n<ul data-start=\"4578\" data-end=\"4652\">\n<li data-start=\"4578\" data-end=\"4602\">\n<p data-start=\"4580\" data-end=\"4602\"><span style=\"font-family: 'times new roman', times, serif;\">keo kh\u00f4ng ch\u1ecbu nhi\u1ec7t<\/span><\/p>\n<\/li>\n<li data-start=\"4603\" data-end=\"4623\">\n<p data-start=\"4605\" data-end=\"4623\"><span style=\"font-family: 'times new roman', times, serif;\">l\u1edbp m\u1ea1 kh\u00f4ng \u0111\u1ea1t<\/span><\/p>\n<\/li>\n<li data-start=\"4624\" data-end=\"4652\">\n<p data-start=\"4626\" data-end=\"4652\"><span style=\"font-family: 'times new roman', times, serif;\">nam ch\u00e2m gh\u00e9p kh\u00f4ng kh\u00edt<\/span><\/p>\n<\/li>\n<\/ul>\n<p data-start=\"4654\" data-end=\"4685\"><span style=\"font-family: 'times new roman', times, serif;\">\u2192 Sau v\u00e0i th\u00e1ng s\u1eed d\u1ee5ng l\u00e0 y\u1ebfu.<\/span><\/p>\n<h2 data-start=\"4692\" data-end=\"4754\"><span style=\"font-family: 'times new roman', times, serif;\"><strong data-start=\"4697\" data-end=\"4754\">4. D\u1ea5u hi\u1ec7u nh\u1eadn bi\u1ebft nam ch\u00e2m l\u1ecdc s\u1eaft b\u1ecb gi\u1ea3m l\u1ef1c t\u1eeb<\/strong><\/span><\/h2>\n<p data-start=\"4756\" data-end=\"4808\"><span style=\"font-family: 'times new roman', times, serif;\">D\u01b0\u1edbi \u0111\u00e2y l\u00e0 nh\u1eefng d\u1ea5u hi\u1ec7u r\u00f5 r\u1ec7t c\u1ea7n ki\u1ec3m tra ngay:<\/span><\/p>\n<ul data-start=\"4810\" data-end=\"5093\">\n<li data-start=\"4810\" data-end=\"4858\">\n<p data-start=\"4812\" data-end=\"4858\"><span style=\"font-family: 'times new roman', times, serif;\">S\u1eaft b\u00e1m \u00edt h\u1eb3n d\u00f9 nguy\u00ean li\u1ec7u kh\u00f4ng thay \u0111\u1ed5i<\/span><\/p>\n<\/li>\n<li data-start=\"4859\" data-end=\"4905\">\n<p data-start=\"4861\" data-end=\"4905\"><span style=\"font-family: 'times new roman', times, serif;\">Nam ch\u00e2m h\u00fat ch\u1eadm, kh\u00f4ng k\u00e9o \u0111\u01b0\u1ee3c m\u1ea3nh nh\u1ecf<\/span><\/p>\n<\/li>\n<li data-start=\"4906\" data-end=\"4948\">\n<p data-start=\"4908\" data-end=\"4948\"><span style=\"font-family: 'times new roman', times, serif;\">Xu\u1ea5t hi\u1ec7n \u0111i\u1ec3m \u0111en trong s\u1ea3n ph\u1ea9m nh\u1ef1a<\/span><\/p>\n<\/li>\n<li data-start=\"4949\" data-end=\"5000\">\n<p data-start=\"4951\" data-end=\"5000\"><span style=\"font-family: 'times new roman', times, serif;\">Dao m\u00e1y nghi\u1ec1n\/m\u00e1y \u00e9p nhanh m\u00f2n h\u01a1n b\u00ecnh th\u01b0\u1eddng<\/span><\/p>\n<\/li>\n<li data-start=\"5001\" data-end=\"5045\">\n<p data-start=\"5003\" data-end=\"5045\"><span style=\"font-family: 'times new roman', times, serif;\">Thanh nam ch\u00e2m c\u00f3 v\u1ebft ph\u1ed3ng \u2013 \u1ed1 m\u00e0u \u2013 g\u1ec9<\/span><\/p>\n<\/li>\n<li data-start=\"5046\" data-end=\"5093\">\n<p data-start=\"5048\" data-end=\"5093\"><span style=\"font-family: 'times new roman', times, serif;\">C\u1ea3m gi\u00e1c l\u1ef1c h\u00fat y\u1ebfu h\u01a1n khi c\u1ea7m tay ki\u1ec3m tra<\/span><\/p>\n<\/li>\n<\/ul>\n<p data-start=\"5095\" data-end=\"5169\"><span style=\"font-family: 'times new roman', times, serif;\">N\u1ebfu g\u1eb7p c\u00e1c d\u1ea5u hi\u1ec7u tr\u00ean \u2192 n\u00ean \u0111o <strong data-start=\"5130\" data-end=\"5139\">Gauss<\/strong> b\u1eb1ng thi\u1ebft b\u1ecb \u0111o chuy\u00ean d\u1ee5ng.<\/span><\/p>\n<h2 data-start=\"5176\" data-end=\"5230\"><span style=\"font-family: 'times new roman', times, serif;\"><strong data-start=\"5181\" data-end=\"5230\">5. H\u1eadu qu\u1ea3 khi nam ch\u00e2m l\u1ecdc s\u1eaft b\u1ecb gi\u1ea3m Gauss<\/strong><\/span><\/h2>\n<h3 data-start=\"5232\" data-end=\"5259\"><span style=\"font-family: 'times new roman', times, serif;\"><strong data-start=\"5236\" data-end=\"5257\">5.1. Thi\u1ec7t h\u1ea1i m\u00e1y m\u00f3c<\/strong><\/span><\/h3>\n<ul data-start=\"5260\" data-end=\"5317\">\n<li data-start=\"5260\" data-end=\"5271\">\n<p data-start=\"5262\" data-end=\"5271\"><span style=\"font-family: 'times new roman', times, serif;\">G\u00e3y dao<\/span><\/p>\n<\/li>\n<li data-start=\"5272\" data-end=\"5288\">\n<p data-start=\"5274\" data-end=\"5288\"><span style=\"font-family: 'times new roman', times, serif;\">M\u00f2n tr\u1ee5c v\u00edt<\/span><\/p>\n<\/li>\n<li data-start=\"5289\" data-end=\"5303\">\n<p data-start=\"5291\" data-end=\"5303\"><span style=\"font-family: 'times new roman', times, serif;\">Ch\u00e1y motor<\/span><\/p>\n<\/li>\n<li data-start=\"5304\" data-end=\"5317\">\n<p data-start=\"5306\" data-end=\"5317\"><span style=\"font-family: 'times new roman', times, serif;\">H\u01b0 khu\u00f4n \u00e9p<\/span><\/p>\n<\/li>\n<\/ul>\n<h3 data-start=\"5319\" data-end=\"5347\"><span style=\"font-family: 'times new roman', times, serif;\"><strong data-start=\"5323\" data-end=\"5345\">5.2. Thi\u1ec7t h\u1ea1i s\u1ea3n xu\u1ea5t<\/strong><\/span><\/h3>\n<ul data-start=\"5348\" data-end=\"5404\">\n<li data-start=\"5348\" data-end=\"5369\">\n<p data-start=\"5350\" data-end=\"5369\"><span style=\"font-family: 'times new roman', times, serif;\">T\u0103ng l\u1ed7i s\u1ea3n ph\u1ea9m<\/span><\/p>\n<\/li>\n<li data-start=\"5370\" data-end=\"5387\">\n<p data-start=\"5372\" data-end=\"5387\"><span style=\"font-family: 'times new roman', times, serif;\">T\u0103ng ph\u1ebf ph\u1ea9m<\/span><\/p>\n<\/li>\n<li data-start=\"5388\" data-end=\"5404\">\n<p data-start=\"5390\" data-end=\"5404\"><span style=\"font-family: 'times new roman', times, serif;\">Gi\u1ea3m n\u0103ng su\u1ea5t<\/span><\/p>\n<\/li>\n<\/ul>\n<h3 data-start=\"5406\" data-end=\"5435\"><span style=\"font-family: 'times new roman', times, serif;\"><strong data-start=\"5410\" data-end=\"5433\">5.3. Thi\u1ec7t h\u1ea1i t\u00e0i ch\u00ednh<\/strong><\/span><\/h3>\n<ul data-start=\"5436\" data-end=\"5522\">\n<li data-start=\"5436\" data-end=\"5460\">\n<p data-start=\"5438\" data-end=\"5460\"><span style=\"font-family: 'times new roman', times, serif;\">T\u0103ng chi ph\u00ed b\u1ea3o tr\u00ec<\/span><\/p>\n<\/li>\n<li data-start=\"5461\" data-end=\"5494\">\n<p data-start=\"5463\" data-end=\"5494\"><span style=\"font-family: 'times new roman', times, serif;\">D\u1eebng m\u00e1y \u2192 t\u1ed5n th\u1ea5t s\u1ea3n l\u01b0\u1ee3ng<\/span><\/p>\n<\/li>\n<li data-start=\"5495\" data-end=\"5522\">\n<p data-start=\"5497\" data-end=\"5522\"><span style=\"font-family: 'times new roman', times, serif;\">T\u0103ng ti\u00eau hao nguy\u00ean li\u1ec7u<\/span><\/p>\n<\/li>\n<\/ul>\n<p data-start=\"5524\" data-end=\"5610\"><span style=\"font-family: 'times new roman', times, serif;\">M\u1ed9t nam ch\u00e2m y\u1ebfu c\u00f3 th\u1ec3 khi\u1ebfn nh\u00e0 m\u00e1y <strong data-start=\"5562\" data-end=\"5594\">thi\u1ec7t h\u1ea1i 20\u2013200 tri\u1ec7u\/th\u00e1ng<\/strong> t\u00f9y d\u00e2y chuy\u1ec1n.<\/span><\/p>\n<h2 data-start=\"5617\" data-end=\"5676\"><span style=\"font-family: 'times new roman', times, serif;\"><strong data-start=\"5623\" data-end=\"5676\">6. C\u00e1ch kh\u1eafc ph\u1ee5c nam ch\u00e2m l\u1ecdc s\u1eaft b\u1ecb gi\u1ea3m l\u1ef1c t\u1eeb<\/strong><\/span><\/h2>\n<p data-start=\"5678\" data-end=\"5728\"><span style=\"font-family: 'times new roman', times, serif;\">D\u01b0\u1edbi \u0111\u00e2y l\u00e0 c\u00e1c gi\u1ea3i ph\u00e1p th\u1ef1c t\u1ebf \u2013 hi\u1ec7u qu\u1ea3 nh\u1ea5t:<\/span><\/p>\n<h3 data-start=\"5735\" data-end=\"5781\"><span style=\"font-family: 'times new roman', times, serif;\"><strong data-start=\"5738\" data-end=\"5781\">6.1. Ch\u1ecdn \u0111\u00fang lo\u1ea1i nam ch\u00e2m ch\u1ecbu nhi\u1ec7t<\/strong><\/span><\/h3>\n<p data-start=\"5783\" data-end=\"5814\"><span style=\"font-family: 'times new roman', times, serif;\">VinaMagnet cung c\u1ea5p c\u00e1c lo\u1ea1i:<\/span><\/p>\n<ul data-start=\"5815\" data-end=\"5863\">\n<li data-start=\"5815\" data-end=\"5823\">\n<p data-start=\"5817\" data-end=\"5823\"><span style=\"font-family: 'times new roman', times, serif;\">80\u00b0C<\/span><\/p>\n<\/li>\n<li data-start=\"5824\" data-end=\"5833\">\n<p data-start=\"5826\" data-end=\"5833\"><span style=\"font-family: 'times new roman', times, serif;\">120\u00b0C<\/span><\/p>\n<\/li>\n<li data-start=\"5834\" data-end=\"5843\">\n<p data-start=\"5836\" data-end=\"5843\"><span style=\"font-family: 'times new roman', times, serif;\">150\u00b0C<\/span><\/p>\n<\/li>\n<li data-start=\"5844\" data-end=\"5853\">\n<p data-start=\"5846\" data-end=\"5853\"><span style=\"font-family: 'times new roman', times, serif;\">180\u00b0C<\/span><\/p>\n<\/li>\n<li data-start=\"5854\" data-end=\"5863\">\n<p data-start=\"5856\" data-end=\"5863\"><span style=\"font-family: 'times new roman', times, serif;\">200\u00b0C<\/span><\/p>\n<\/li>\n<\/ul>\n<p data-start=\"5865\" data-end=\"5908\"><span style=\"font-family: 'times new roman', times, serif;\">\u2192 Gi\u00fap \u1ed5n \u0111\u1ecbnh l\u1ef1c t\u1eeb theo t\u1eebng m\u00f4i tr\u01b0\u1eddng.<\/span><\/p>\n<h3 data-start=\"5915\" data-end=\"5971\"><span style=\"font-family: 'times new roman', times, serif;\"><strong data-start=\"5918\" data-end=\"5971\">6.2. S\u1eed d\u1ee5ng thanh nam ch\u00e2m \u0111\u01b0\u1eddng k\u00ednh l\u1edbn (25mm, 32mm)<\/strong><\/span><\/h3>\n<p data-start=\"5973\" data-end=\"5993\"><span style=\"font-family: 'times new roman', times, serif;\">So v\u1edbi thanh 16mm:<\/span><\/p>\n<ul data-start=\"5994\" data-end=\"6064\">\n<li data-start=\"5994\" data-end=\"6022\">\n<p data-start=\"5996\" data-end=\"6022\"><span style=\"font-family: 'times new roman', times, serif;\"><strong data-start=\"5996\" data-end=\"6020\">Gauss cao h\u01a1n 30\u201360%<\/strong><\/span><\/p>\n<\/li>\n<li data-start=\"6023\" data-end=\"6042\">\n<p data-start=\"6025\" data-end=\"6042\"><span style=\"font-family: 'times new roman', times, serif;\">B\u1ec1 m\u1eb7t h\u00fat r\u1ed9ng<\/span><\/p>\n<\/li>\n<li data-start=\"6043\" data-end=\"6064\">\n<p data-start=\"6045\" data-end=\"6064\"><span style=\"font-family: 'times new roman', times, serif;\">T\u1eeb tr\u01b0\u1eddng s\u00e2u h\u01a1n<\/span><\/p>\n<\/li>\n<\/ul>\n<p data-start=\"6066\" data-end=\"6124\"><span style=\"font-family: 'times new roman', times, serif;\">\ud83d\udc49 Xem chi ti\u1ebft: <a class=\"decorated-link cursor-pointer\" href=\"https:\/\/vinamagnet.vn\/product\/nam-cham-thanh-d25x200mm\/\" data-start=\"6085\" data-end=\"6124\">Nam ch\u00e2m thanh<\/a><\/span><\/p>\n<p data-start=\"6066\" data-end=\"6124\"><img loading=\"lazy\" decoding=\"async\" class=\"size-medium wp-image-2122 aligncenter\" src=\"https:\/\/vinamagnet.vn\/wp-content\/uploads\/2025\/02\/2-16-280x280.png\" alt=\"\" width=\"280\" height=\"280\" srcset=\"https:\/\/vinamagnet.vn\/wp-content\/uploads\/2025\/02\/2-16-280x280.png 280w, https:\/\/vinamagnet.vn\/wp-content\/uploads\/2025\/02\/2-16-768x768.png 768w, https:\/\/vinamagnet.vn\/wp-content\/uploads\/2025\/02\/2-16-24x24.png 24w, https:\/\/vinamagnet.vn\/wp-content\/uploads\/2025\/02\/2-16-36x36.png 36w, https:\/\/vinamagnet.vn\/wp-content\/uploads\/2025\/02\/2-16-48x48.png 48w, https:\/\/vinamagnet.vn\/wp-content\/uploads\/2025\/02\/2-16-300x300.png 300w, https:\/\/vinamagnet.vn\/wp-content\/uploads\/2025\/02\/2-16-600x600.png 600w, https:\/\/vinamagnet.vn\/wp-content\/uploads\/2025\/02\/2-16-100x100.png 100w, https:\/\/vinamagnet.vn\/wp-content\/uploads\/2025\/02\/2-16.png 900w\" sizes=\"(max-width: 280px) 100vw, 280px\" \/><\/p>\n<h3 data-start=\"6131\" data-end=\"6159\"><span style=\"font-family: 'times new roman', times, serif;\"><strong data-start=\"6134\" data-end=\"6159\">6.3. \u0110o Gauss \u0111\u1ecbnh k\u1ef3<\/strong><\/span><\/h3>\n<p data-start=\"6161\" data-end=\"6175\"><span style=\"font-family: 'times new roman', times, serif;\">Khuy\u1ebfn ngh\u1ecb:<\/span><\/p>\n<ul data-start=\"6176\" data-end=\"6247\">\n<li data-start=\"6176\" data-end=\"6193\">\n<p data-start=\"6178\" data-end=\"6193\"><span style=\"font-family: 'times new roman', times, serif;\">3\u20136 th\u00e1ng\/l\u1ea7n<\/span><\/p>\n<\/li>\n<li data-start=\"6194\" data-end=\"6247\">\n<p data-start=\"6196\" data-end=\"6247\"><span style=\"font-family: 'times new roman', times, serif;\">\u0110o theo chu\u1ea9n <strong data-start=\"6210\" data-end=\"6247\">tr\u1ef1c ti\u1ebfp tr\u00ean \u0111\u1ea7u thanh nam ch\u00e2m<\/strong><\/span><\/p>\n<\/li>\n<\/ul>\n<p data-start=\"6249\" data-end=\"6301\"><span style=\"font-family: 'times new roman', times, serif;\">VinaMagnet h\u1ed7 tr\u1ee3 \u0111o Gauss t\u1ea1i nh\u00e0 m\u00e1y theo y\u00eau c\u1ea7u.<\/span><\/p>\n<p data-start=\"6249\" data-end=\"6301\"><img loading=\"lazy\" decoding=\"async\" class=\"size-medium wp-image-2421 aligncenter\" src=\"https:\/\/vinamagnet.vn\/wp-content\/uploads\/2025\/11\/Them-tieu-de-phu-280x280.png\" alt=\"nam ch\u00e2m l\u1ecdc s\u1eaft\" width=\"280\" height=\"280\" srcset=\"https:\/\/vinamagnet.vn\/wp-content\/uploads\/2025\/11\/Them-tieu-de-phu-280x280.png 280w, https:\/\/vinamagnet.vn\/wp-content\/uploads\/2025\/11\/Them-tieu-de-phu-768x768.png 768w, https:\/\/vinamagnet.vn\/wp-content\/uploads\/2025\/11\/Them-tieu-de-phu-24x24.png 24w, https:\/\/vinamagnet.vn\/wp-content\/uploads\/2025\/11\/Them-tieu-de-phu-36x36.png 36w, https:\/\/vinamagnet.vn\/wp-content\/uploads\/2025\/11\/Them-tieu-de-phu-48x48.png 48w, https:\/\/vinamagnet.vn\/wp-content\/uploads\/2025\/11\/Them-tieu-de-phu-300x300.png 300w, https:\/\/vinamagnet.vn\/wp-content\/uploads\/2025\/11\/Them-tieu-de-phu-600x600.png 600w, https:\/\/vinamagnet.vn\/wp-content\/uploads\/2025\/11\/Them-tieu-de-phu-100x100.png 100w, https:\/\/vinamagnet.vn\/wp-content\/uploads\/2025\/11\/Them-tieu-de-phu.png 900w\" sizes=\"(max-width: 280px) 100vw, 280px\" \/><\/p>\n<h3 data-start=\"6308\" data-end=\"6337\"><span style=\"font-family: 'times new roman', times, serif;\"><strong data-start=\"6311\" data-end=\"6337\">6.4. V\u1ec7 sinh \u0111\u00fang c\u00e1ch<\/strong><\/span><\/h3>\n<ul data-start=\"6339\" data-end=\"6450\">\n<li data-start=\"6339\" data-end=\"6370\">\n<p data-start=\"6341\" data-end=\"6370\"><span style=\"font-family: 'times new roman', times, serif;\">Lau s\u1ea1ch l\u1edbp s\u1eaft sau m\u1ed7i ca<\/span><\/p>\n<\/li>\n<li data-start=\"6371\" data-end=\"6407\">\n<p data-start=\"6373\" data-end=\"6407\"><span style=\"font-family: 'times new roman', times, serif;\">Kh\u00f4ng \u0111\u1ec3 l\u1edbp s\u1eaft t\u00edch t\u1ee5 qu\u00e1 d\u00e0y<\/span><\/p>\n<\/li>\n<li data-start=\"6408\" data-end=\"6450\">\n<p data-start=\"6410\" data-end=\"6450\"><span style=\"font-family: 'times new roman', times, serif;\">Kh\u00f4ng d\u00f9ng v\u1eadt c\u1ee9ng ch\u00e0 m\u1ea1nh g\u00e2y tr\u1ea7y m\u1ea1<\/span><\/p>\n<\/li>\n<\/ul>\n<h3 data-start=\"6457\" data-end=\"6514\"><span style=\"font-family: 'times new roman', times, serif;\"><strong data-start=\"6460\" data-end=\"6514\">6.5. Thay th\u1ebf nam ch\u00e2m m\u1edbi n\u1ebfu thanh c\u0169 b\u1ecb oxy h\u00f3a<\/strong><\/span><\/h3>\n<p data-start=\"6516\" data-end=\"6622\"><span style=\"font-family: 'times new roman', times, serif;\">Li\u00ean h\u1ec7: <a class=\"decorated-link cursor-pointer\" href=\"https:\/\/vinamagnet.vn\/lien-he\/\" data-start=\"6592\" data-end=\"6622\">Li\u00ean h\u1ec7 ngay Vina Magnet<\/a><\/span><\/p>\n<h3 data-start=\"6629\" data-end=\"6692\"><span style=\"font-family: 'times new roman', times, serif;\"><strong data-start=\"6632\" data-end=\"6692\">6.6. S\u1eed d\u1ee5ng nam ch\u00e2m ch\u1ea5t l\u01b0\u1ee3ng \u2013 \u0111\u00fang k\u1ef9 thu\u1eadt l\u1eafp \u0111\u1eb7t<\/strong><\/span><\/h3>\n<p data-start=\"6694\" data-end=\"6704\"><span style=\"font-family: 'times new roman', times, serif;\">\u01afu ti\u00ean:<\/span><\/p>\n<ul data-start=\"6705\" data-end=\"6819\">\n<li data-start=\"6705\" data-end=\"6728\">\n<p data-start=\"6707\" data-end=\"6728\"><span style=\"font-family: 'times new roman', times, serif;\">M\u1ea1 cao c\u1ea5p Ni\u2013Cu\u2013Ni<\/span><\/p>\n<\/li>\n<li data-start=\"6729\" data-end=\"6769\">\n<p data-start=\"6731\" data-end=\"6769\"><span style=\"font-family: 'times new roman', times, serif;\">T\u1eeb tr\u01b0\u1eddng th\u1ef1c \u0111o 8.000\u201312.000 Gauss<\/span><\/p>\n<\/li>\n<li data-start=\"6770\" data-end=\"6794\">\n<p data-start=\"6772\" data-end=\"6794\"><span style=\"font-family: 'times new roman', times, serif;\">Nam ch\u00e2m nguy\u00ean kh\u1ed1i<\/span><\/p>\n<\/li>\n<li data-start=\"6795\" data-end=\"6819\">\n<p data-start=\"6797\" data-end=\"6819\"><span style=\"font-family: 'times new roman', times, serif;\">Keo ch\u1ecbu nhi\u1ec7t 200\u00b0C<\/span><\/p>\n<\/li>\n<\/ul>\n<h2 data-start=\"6826\" data-end=\"6872\"><span style=\"font-family: 'times new roman', times, serif;\"><strong data-start=\"6831\" data-end=\"6872\">7. Gi\u1ea3i ph\u00e1p chuy\u00ean s\u00e2u t\u1eeb VinaMagnet<\/strong><\/span><\/h2>\n<p data-start=\"6874\" data-end=\"6937\"><span style=\"font-family: 'times new roman', times, serif;\">VinaMagnet l\u00e0 \u0111\u01a1n v\u1ecb chuy\u00ean nam ch\u00e2m cho nh\u00e0 m\u00e1y v\u1edbi \u01b0u \u0111i\u1ec3m:<\/span><\/p>\n<ul data-start=\"6938\" data-end=\"7156\">\n<li data-start=\"6938\" data-end=\"6991\">\n<p data-start=\"6940\" data-end=\"6991\"><span style=\"font-family: 'times new roman', times, serif;\">T\u01b0 v\u1ea5n 1:1 theo lo\u1ea1i m\u00e1y \u2013 nguy\u00ean li\u1ec7u \u2013 nhi\u1ec7t \u0111\u1ed9<\/span><\/p>\n<\/li>\n<li data-start=\"6992\" data-end=\"7029\">\n<p data-start=\"6994\" data-end=\"7029\"><span style=\"font-family: 'times new roman', times, serif;\">Gauss th\u1ef1c \u0111o tr\u01b0\u1edbc khi giao h\u00e0ng<\/span><\/p>\n<\/li>\n<li data-start=\"7030\" data-end=\"7066\">\n<p data-start=\"7032\" data-end=\"7066\"><span style=\"font-family: 'times new roman', times, serif;\">Gia c\u00f4ng theo y\u00eau c\u1ea7u k\u00edch th\u01b0\u1edbc<\/span><\/p>\n<\/li>\n<li data-start=\"7067\" data-end=\"7106\">\n<p data-start=\"7069\" data-end=\"7106\"><span style=\"font-family: 'times new roman', times, serif;\">S\u1ea3n ph\u1ea9m ch\u1ecbu nhi\u1ec7t \u2013 ch\u1ed1ng oxy h\u00f3a<\/span><\/p>\n<\/li>\n<li data-start=\"7107\" data-end=\"7126\">\n<p data-start=\"7109\" data-end=\"7126\"><span style=\"font-family: 'times new roman', times, serif;\">B\u1ea3o h\u00e0nh l\u1ef1c t\u1eeb<\/span><\/p>\n<\/li>\n<li data-start=\"7127\" data-end=\"7156\">\n<p data-start=\"7129\" data-end=\"7156\"><span style=\"font-family: 'times new roman', times, serif;\">\u0110\u1ed9i k\u1ef9 thu\u1eadt h\u1ed7 tr\u1ee3 t\u1eadn n\u01a1i<\/span><\/p>\n<\/li>\n<\/ul>\n<h2 data-start=\"7232\" data-end=\"7295\"><span style=\"font-family: 'times new roman', times, serif;\"><strong data-start=\"7237\" data-end=\"7295\">8. H\u01b0\u1edbng d\u1eabn b\u1ea3o tr\u00ec \u0111\u00fang c\u00e1ch \u0111\u1ec3 nam ch\u00e2m b\u1ec1n 5\u20137 n\u0103m<\/strong><\/span><\/h2>\n<h3 data-start=\"7297\" data-end=\"7324\"><span style=\"font-family: 'times new roman', times, serif;\"><strong data-start=\"7301\" data-end=\"7322\">8.1. V\u1ec7 sinh h\u1eb1ng ng\u00e0y<\/strong><\/span><\/h3>\n<ul data-start=\"7325\" data-end=\"7365\">\n<li data-start=\"7325\" data-end=\"7344\">\n<p data-start=\"7327\" data-end=\"7344\"><span style=\"font-family: 'times new roman', times, serif;\">Lau s\u1ea1ch b\u1ec1 m\u1eb7t<\/span><\/p>\n<\/li>\n<li data-start=\"7345\" data-end=\"7365\">\n<p data-start=\"7347\" data-end=\"7365\"><span style=\"font-family: 'times new roman', times, serif;\">Ki\u1ec3m tra tr\u1ea7y x\u01b0\u1edbc<\/span><\/p>\n<\/li>\n<\/ul>\n<h3 data-start=\"7297\" data-end=\"7324\"><span style=\"font-family: 'times new roman', times, serif;\"><strong data-start=\"7301\" data-end=\"7322\">8.2. <\/strong><strong data-start=\"7371\" data-end=\"7400\">V\u1ec7 sinh \u0111\u1ecbnh k\u1ef3 h\u00e0ng tu\u1ea7n<\/strong><\/span><\/h3>\n<ul data-start=\"7403\" data-end=\"7454\">\n<li data-start=\"7403\" data-end=\"7422\">\n<p data-start=\"7405\" data-end=\"7422\"><span style=\"font-family: 'times new roman', times, serif;\">Ki\u1ec3m tra l\u1edbp m\u1ea1<\/span><\/p>\n<\/li>\n<li data-start=\"7423\" data-end=\"7454\">\n<p data-start=\"7425\" data-end=\"7454\"><span style=\"font-family: 'times new roman', times, serif;\">Ki\u1ec3m tra \u0111\u1ed9 n\u00f3ng v\u1eadt li\u1ec7u n\u1ea1p<\/span><\/p>\n<\/li>\n<\/ul>\n<h3 data-start=\"7297\" data-end=\"7324\"><span style=\"font-family: 'times new roman', times, serif;\"><strong data-start=\"7301\" data-end=\"7322\">8.3. \u0110o t\u1eeb <\/strong><strong data-start=\"7460\" data-end=\"7475\">6 th\u00e1ng\/l\u1ea7n<\/strong><\/span><\/h3>\n<ul data-start=\"7478\" data-end=\"7583\">\n<li data-start=\"7478\" data-end=\"7490\">\n<p data-start=\"7480\" data-end=\"7490\"><span style=\"font-family: 'times new roman', times, serif;\">\u0110o Gauss<\/span><\/p>\n<\/li>\n<li data-start=\"7491\" data-end=\"7532\">\n<p data-start=\"7493\" data-end=\"7532\"><span style=\"font-family: 'times new roman', times, serif;\">Ki\u1ec3m tra keo d\u00e1n \u2013 t\u00ecnh tr\u1ea1ng oxy h\u00f3a<\/span><\/p>\n<\/li>\n<li data-start=\"7533\" data-end=\"7583\">\n<p data-start=\"7535\" data-end=\"7583\"><span style=\"font-family: 'times new roman', times, serif;\">\u0110i\u1ec1u ch\u1ec9nh v\u1ecb tr\u00ed l\u1eafp \u0111\u1eb7t \u0111\u1ec3 t\u1ed1i \u01b0u hi\u1ec7u qu\u1ea3 h\u00fat<\/span><\/p>\n<\/li>\n<\/ul>\n<h2 data-start=\"7590\" data-end=\"7625\"><span style=\"font-family: 'times new roman', times, serif;\"><strong data-start=\"7594\" data-end=\"7625\">9. FAQ \u2013 C\u00e2u h\u1ecfi th\u01b0\u1eddng g\u1eb7p<\/strong><\/span><\/h2>\n<h3 data-start=\"7627\" data-end=\"7688\"><span style=\"font-family: 'times new roman', times, serif;\"><strong data-start=\"7631\" data-end=\"7686\">9.1. Nam ch\u00e2m b\u1ecb gi\u1ea3m l\u1ef1c t\u1eeb c\u00f3 ph\u1ee5c h\u1ed3i l\u1ea1i \u0111\u01b0\u1ee3c kh\u00f4ng?<\/strong><\/span><\/h3>\n<p data-start=\"7689\" data-end=\"7733\"><span style=\"font-family: 'times new roman', times, serif;\">Kh\u00f4ng. Nam ch\u00e2m ch\u1ec9 c\u00f3 th\u1ec3 <strong data-start=\"7716\" data-end=\"7732\">thay l\u00f5i m\u1edbi<\/strong>.<\/span><\/p>\n<h3 data-start=\"7627\" data-end=\"7688\"><span style=\"font-family: 'times new roman', times, serif;\"><strong data-start=\"7631\" data-end=\"7686\">9.2. <\/strong><strong data-start=\"7739\" data-end=\"7808\">T\u1ea1i sao khi c\u1ea7m tay nam ch\u00e2m m\u1ea1nh nh\u01b0ng \u0111\u01b0a v\u00e0o s\u1ea3n xu\u1ea5t l\u1ea1i y\u1ebfu?<\/strong><\/span><\/h3>\n<p data-start=\"7811\" data-end=\"7866\"><span style=\"font-family: 'times new roman', times, serif;\">Do <strong data-start=\"7814\" data-end=\"7840\">t\u1eeb tr\u01b0\u1eddng s\u00e2u kh\u00f4ng \u0111\u1ee7<\/strong> ho\u1eb7c <strong data-start=\"7846\" data-end=\"7865\">Gauss kh\u00f4ng \u0111\u1ea1t<\/strong>.<\/span><\/p>\n<h3 data-start=\"7627\" data-end=\"7688\"><span style=\"font-family: 'times new roman', times, serif;\"><strong data-start=\"7631\" data-end=\"7686\">9.3. <\/strong><strong data-start=\"7872\" data-end=\"7914\">Gauss t\u01b0\u01a1ng \u1ee9ng v\u1edbi lo\u1ea1i v\u1eadt li\u1ec7u n\u00e0o?<\/strong><\/span><\/h3>\n<ul data-start=\"7917\" data-end=\"8015\">\n<li data-start=\"7917\" data-end=\"7946\">\n<p data-start=\"7919\" data-end=\"7946\"><span style=\"font-family: 'times new roman', times, serif;\">Nh\u1ef1a \u2192 8.000\u201310.000 Gauss<\/span><\/p>\n<\/li>\n<li data-start=\"7947\" data-end=\"7982\">\n<p data-start=\"7949\" data-end=\"7982\"><span style=\"font-family: 'times new roman', times, serif;\">Th\u1ef1c ph\u1ea9m \u2192 10.000\u201312.000 Gauss<\/span><\/p>\n<\/li>\n<li data-start=\"7983\" data-end=\"8015\">\n<p data-start=\"7985\" data-end=\"8015\"><span style=\"font-family: 'times new roman', times, serif;\">Kho\u00e1ng s\u1ea3n \u2192 6.000\u20138.000 Gauss<\/span><\/p>\n<\/li>\n<\/ul>\n<h3 data-start=\"7627\" data-end=\"7688\"><span style=\"font-family: 'times new roman', times, serif;\"><strong data-start=\"7631\" data-end=\"7686\">9.4. <\/strong><strong data-start=\"8021\" data-end=\"8052\">Nam ch\u00e2m d\u00f9ng \u0111\u01b0\u1ee3c bao l\u00e2u?<\/strong><\/span><\/h3>\n<p data-start=\"8055\" data-end=\"8078\"><span style=\"font-family: 'times new roman', times, serif;\">3\u20137 n\u0103m t\u00f9y m\u00f4i tr\u01b0\u1eddng.<\/span><\/p>\n<h2 data-start=\"8334\" data-end=\"8386\"><span style=\"font-family: 'times new roman', times, serif;\"><strong data-start=\"8339\" data-end=\"8386\">10. Li\u00ean h\u1ec7 t\u01b0 v\u1ea5n k\u1ef9 thu\u1eadt \u2013 B\u00e1o gi\u00e1 nhanh<\/strong><\/span><\/h2>\n<p data-start=\"8388\" data-end=\"8490\"><span style=\"font-family: 'times new roman', times, serif;\">N\u1ebfu b\u1ea1n \u0111ang g\u1eb7p v\u1ea5n \u0111\u1ec1 <strong data-start=\"8412\" data-end=\"8447\">nam ch\u00e2m l\u1ecdc s\u1eaft b\u1ecb gi\u1ea3m l\u1ef1c t\u1eeb<\/strong>, h\u00e3y li\u00ean h\u1ec7 ngay \u0111\u1ed9i k\u1ef9 thu\u1eadt VinaMagnet:<\/span><\/p>\n<p data-start=\"8492\" data-end=\"8599\"><span style=\"font-family: 'times new roman', times, serif;\">\ud83d\udcde <strong data-start=\"8495\" data-end=\"8525\">Hotline\/Zalo: 0908 91 6062<\/strong><\/span><br data-start=\"8525\" data-end=\"8528\" \/><span style=\"font-family: 'times new roman', times, serif;\">\ud83c\udf10 <strong data-start=\"8531\" data-end=\"8565\">Website: <a class=\"decorated-link\" href=\"https:\/\/vinamagnet.vn?utm_source=chatgpt.com\" target=\"_new\" rel=\"noopener\" data-start=\"8542\" data-end=\"8563\">https:\/\/vinamagnet.vn<\/a><\/strong><\/span><br data-start=\"8565\" data-end=\"8568\" \/><span style=\"font-family: 'times new roman', times, serif;\">\ud83d\udce7 <a class=\"decorated-link cursor-pointer\" rel=\"noopener\" data-start=\"8571\" data-end=\"8597\">sales.vinamagnet@gmail.com<\/a><\/span><\/p>\n<p data-start=\"8601\" data-end=\"8724\"><span style=\"font-family: 'times new roman', times, serif;\">VinaMagnet s\u1eb5n s\u00e0ng t\u01b0 v\u1ea5n tr\u1ef1c ti\u1ebfp t\u1ea1i nh\u00e0 m\u00e1y \u2013 \u0111o Gauss mi\u1ec5n ph\u00ed \u2013 \u0111\u01b0a ra gi\u1ea3i ph\u00e1p t\u1ed1i \u01b0u nh\u1ea5t cho d\u00e2y chuy\u1ec1n c\u1ee7a b\u1ea1n.<\/span><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Nam ch\u00e2m l\u1ecdc s\u1eaft b\u1ecb gi\u1ea3m l\u1ef1c t\u1eeb g\u00e2y gi\u1ea3m hi\u1ec7u qu\u1ea3 l\u1ecdc s\u1eaft v\u00e0 \u1ea3nh h\u01b0\u1edfng m\u00e1y m\u00f3c. T\u00ecm hi\u1ec3u nguy\u00ean nh\u00e2n, d\u1ea5u hi\u1ec7u v\u00e0 gi\u1ea3i ph\u00e1p t\u1ed1i \u01b0u cho nh\u00e0 m\u00e1y.<\/p>\n","protected":false},"author":1,"featured_media":2417,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"inline_featured_image":false,"footnotes":""},"categories":[257],"tags":[],"class_list":["post-2430","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-tin-tuc"],"_links":{"self":[{"href":"https:\/\/vinamagnet.vn\/index.php?rest_route=\/wp\/v2\/posts\/2430","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/vinamagnet.vn\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/vinamagnet.vn\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/vinamagnet.vn\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/vinamagnet.vn\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=2430"}],"version-history":[{"count":2,"href":"https:\/\/vinamagnet.vn\/index.php?rest_route=\/wp\/v2\/posts\/2430\/revisions"}],"predecessor-version":[{"id":2432,"href":"https:\/\/vinamagnet.vn\/index.php?rest_route=\/wp\/v2\/posts\/2430\/revisions\/2432"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/vinamagnet.vn\/index.php?rest_route=\/wp\/v2\/media\/2417"}],"wp:attachment":[{"href":"https:\/\/vinamagnet.vn\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=2430"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/vinamagnet.vn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=2430"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/vinamagnet.vn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=2430"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}