![\"\"](\"https:\/\/nbaem.com\/wp-content\/uploads\/2025\/03\/61no2FJz0zL._SL1500_.jpg\")
<\/p>\n
Jsou mal\u00e9, ale v\u00fdkonn\u00e9 a nach\u00e1zej\u00ed se v nes\u010detn\u00fdch za\u0159\u00edzen\u00edch, kter\u00e1 denn\u011b pou\u017e\u00edv\u00e1me.<\/p>\n
Z \u010deho je vyroben neomagnet?<\/h2>\n
Ne v\u0161echny magnety jsou si rovny \u2013 n\u011bkter\u00e9 jsou vyrobeny z prvk\u016f vz\u00e1cn\u00fdch zemin pro extr\u00e9mn\u00ed v\u00fdkon.<\/p>\n
Neomagnety se skl\u00e1daj\u00ed z neodymu (Nd), \u017eeleza (Fe) a boru (B), kter\u00e9 tvo\u0159\u00ed strukturu Nd\u2082Fe\u2081\u2084B, je\u017e jim d\u00e1v\u00e1 v\u00fdjime\u010dnou magnetickou s\u00edlu.<\/strong><\/p>\n Existuj\u00ed dva hlavn\u00ed typy neodymov\u00fdch magnet\u016f:<\/p>\n Tyto jsou sm\u00edch\u00e1ny s prysky\u0159ic\u00ed nebo polymerem a tvarov\u00e1ny do r\u016fzn\u00fdch tvar\u016f. Maj\u00ed ni\u017e\u0161\u00ed magnetickou s\u00edlu, ale sn\u00e1ze se p\u0159izp\u016fsobuj\u00ed.<\/p>\n Flexibilita<\/p>\n Pracoval jsem se z\u00e1kazn\u00edky, kte\u0159\u00ed si vyb\u00edrali mezi lisovan\u00fdmi a sintrovan\u00fdmi magnety pro automobilov\u00e9 senzory. Sintrovan\u00e9 magnety jim poskytly lep\u0161\u00ed odezvu, zat\u00edmco lisovan\u00e9 mo\u017enosti pomohly, kdy\u017e byl omezen\u00fd prostor pro design.<\/p>\n Neodymov\u00e9 magnety jsou nejsiln\u011bj\u0161\u00ed komer\u010dn\u00ed permanentn\u00ed magnety, s maxim\u00e1ln\u00edmi energetick\u00fdmi produkty (BHmax) dosahuj\u00edc\u00edmi a\u017e 52 MGOe.<\/strong><\/p>\n Neomagnety maj\u00ed n\u011bkolik d\u016fle\u017eit\u00fdch magnetick\u00fdch vlastnost\u00ed:<\/p>\n V ned\u00e1vn\u00e9m projektu v\u011btrn\u00e9 energie jsme dodali magnety N52 s vysok\u00fdm BHmax pro zlep\u0161en\u00ed kroutic\u00edho momentu p\u0159i sou\u010dasn\u00e9m sn\u00ed\u017een\u00ed celkov\u00e9 velikosti motoru. To pomohlo sn\u00ed\u017eit spot\u0159ebu energie o 10%.<\/p>\n Jsou siln\u00e9 \u2014 ale zraniteln\u00e9. Proto jsou povlaky nezbytn\u00e9.<\/p>\n Neodymov\u00e9 magnety jsou n\u00e1chyln\u00e9 ke korozi a obvykle vy\u017eaduj\u00ed ochrann\u00e9 povlaky jako Ni-Cu-Ni, epoxid nebo zlat\u00e9 povlaky.<\/strong><\/p>\n Materi\u00e1l NdFeB se snadno oxiduje v vlhk\u00e9m prost\u0159ed\u00ed. Proto jsou povlaky kl\u00ed\u010dov\u00e9, zejm\u00e9na v medic\u00ednsk\u00fdch nebo n\u00e1mo\u0159n\u00edch aplikac\u00edch.<\/p>\n B\u011b\u017en\u00e9 povlaky:<\/strong><\/p>\n Pro jednoho klienta v odv\u011btv\u00ed chirurgick\u00fdch n\u00e1stroj\u016f jsme doporu\u010dili magnety N42 s povrchem zlat\u00e9 vrstvy. Nab\u00edzely stabiln\u00ed v\u00fdkon, biokompatibilitu a del\u0161\u00ed dobu skladov\u00e1n\u00ed.<\/p>\n Je pravd\u011bpodobn\u00e9, \u017ee neodymov\u00e9 magnety pou\u017e\u00edv\u00e1te ka\u017ed\u00fd den \u2014 ani\u017e byste si to uv\u011bdomovali.<\/p>\n Neodymov\u00e9 magnety se pou\u017e\u00edvaj\u00ed v elektronice, elektrick\u00fdch vozidlech, v\u011btrn\u00fdch turb\u00edn\u00e1ch a l\u00e9ka\u0159sk\u00fdch p\u0159\u00edstroj\u00edch d\u00edky jejich kompaktn\u00ed velikosti a siln\u00e9 magnetick\u00e9 s\u00edle.<\/strong><\/p>\n Podle m\u00fdch zku\u0161enost\u00ed je jedn\u00edm z nejzaj\u00edmav\u011bj\u0161\u00edch pou\u017eit\u00ed v vysokorychlostn\u00edch bezkart\u00e1\u010dov\u00fdch motorech. Neodymov\u00e9 magnety umo\u017e\u0148uj\u00ed in\u017een\u00fdr\u016fm zv\u00fd\u0161it v\u00fdkon bez zv\u011bt\u0161en\u00ed velikosti nebo hmotnosti.<\/p>\n Tyto magnety jsou siln\u00e9 \u2014 ale tak\u00e9 k\u0159ehk\u00e9 a riskantn\u00ed p\u0159i nespr\u00e1vn\u00e9m zach\u00e1zen\u00ed.<\/p>\n Opatrn\u011b zach\u00e1zejte s neodymov\u00fdmi magnety, abyste p\u0159ede\u0161li zran\u011bn\u00ed, po\u0161kozen\u00ed nebo ru\u0161en\u00ed elektroniky.<\/strong><\/p>\n Jeden z\u00e1kazn\u00edk m\u011bl b\u011bhem p\u0159epravy n\u011bkolik praskl\u00fdch magnet\u016f. Po p\u0159echodu na vakuov\u011b uzav\u0159en\u00e9 balen\u00ed s p\u011bnov\u00fdm mezikru\u017e\u00edmi hl\u00e1sil nulov\u00e9 po\u0161kozen\u00ed za \u0161est m\u011bs\u00edc\u016f.<\/p>\n T\u011b\u017eba vz\u00e1cn\u00fdch zemin vzbuzuje obavy \u2014 ale regulace se zp\u0159\u00eds\u0148uj\u00ed.<\/p>\n Neodymov\u00e9 magnety mus\u00ed spl\u0148ovat environment\u00e1ln\u00ed normy, jako jsou ROHS a REACH, a jejich zdrojov\u00e1n\u00ed \u010dasto vy\u017eaduje prohl\u00e1\u0161en\u00ed o konfliktov\u00fdch miner\u00e1lech.<\/strong><\/p>\n T\u011b\u017eba vz\u00e1cn\u00fdch zemin, jako je neodym, m\u016f\u017ee po\u0161kodit ekosyst\u00e9my. Proto mnoho v\u00fdrobc\u016f, v\u010detn\u011b n\u00e1s, spolupracuje s dodavateli, kte\u0159\u00ed dodr\u017euj\u00ed:<\/p>\n Ned\u00e1vno jsme museli pomoci evropsk\u00e9mu z\u00e1kazn\u00edkovi sestavit dokumentaci REACH pro \u0159adu produkt\u016f NdFeB. Poskytli jsme plnou sledovatelnost a\u017e k dole, co\u017e zajistilo, \u017ee jejich dovozn\u00ed povolen\u00ed prob\u011bhlo bez zpo\u017ed\u011bn\u00ed.<\/p>\n Neodymov\u00e9 magnety \u2014 nebo neomagnety \u2014 jsou p\u00e1te\u0159\u00ed modern\u00edho magnetismu. Jejich s\u00edla, velikost a v\u0161estrannost je \u010din\u00ed ide\u00e1ln\u00edmi pro technologie a energetick\u00e1 \u0159e\u0161en\u00ed. Ale mus\u00ed b\u00fdt zach\u00e1zeno a zdrojov\u00e1ny odpov\u011bdn\u011b.<\/p>\n Co je neomagnet? P\u0159em\u00fd\u0161leli jste n\u011bkdy, co d\u00e1v\u00e1 elektrick\u00fdm vozidl\u016fm jejich s\u00edlu nebo va\u0161emu telefonu jeho vibrace? Pravd\u011bpodobn\u011b je to neodymov\u00fd magnet. Neodymov\u00e9 magnety \u2013 tak\u00e9 zn\u00e1m\u00e9 jako neomagnety \u2013 jsou nejsiln\u011bj\u0161\u00ed typ permanentn\u00edch magnet\u016f vyroben\u00fdch z neodymu, \u017eeleza a boru (NdFeB). Jsou mal\u00e9, ale v\u00fdkonn\u00e9, [...]<\/p>","protected":false},"author":1,"featured_media":1496,"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-1694","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-uncategorized"],"jetpack_featured_media_url":"https:\/\/nbaem.com\/wp-content\/uploads\/2025\/03\/61no2FJz0zL._SL1500_.jpg","_links":{"self":[{"href":"https:\/\/nbaem.com\/cs\/wp-json\/wp\/v2\/posts\/1694","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/nbaem.com\/cs\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/nbaem.com\/cs\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/nbaem.com\/cs\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/nbaem.com\/cs\/wp-json\/wp\/v2\/comments?post=1694"}],"version-history":[{"count":4,"href":"https:\/\/nbaem.com\/cs\/wp-json\/wp\/v2\/posts\/1694\/revisions"}],"predecessor-version":[{"id":1698,"href":"https:\/\/nbaem.com\/cs\/wp-json\/wp\/v2\/posts\/1694\/revisions\/1698"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/nbaem.com\/cs\/wp-json\/wp\/v2\/media\/1496"}],"wp:attachment":[{"href":"https:\/\/nbaem.com\/cs\/wp-json\/wp\/v2\/media?parent=1694"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/nbaem.com\/cs\/wp-json\/wp\/v2\/categories?post=1694"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/nbaem.com\/cs\/wp-json\/wp\/v2\/tags?post=1694"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}Typy a struktura NdFeB magnet\u016f<\/h3>\n
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\n\n
\n \nTyp<\/th>\n Magnetick\u00e1 s\u00edla<\/th>\n Jejich krystalick\u00e1 struktura je tetragon\u00e1ln\u00ed, co\u017e umo\u017e\u0148uje silnou magnetizaci v pevn\u00e9m sm\u011bru. Tato orientace je kritick\u00e1 v aplikac\u00edch, kter\u00e9 vy\u017eaduj\u00ed spolehliv\u00fd a soust\u0159ed\u011bn\u00fd magnetick\u00fd v\u00fdstup.<\/th>\n Cena<\/th>\n<\/tr>\n<\/thead>\n \n Sinterovan\u00e9 NdFeB<\/td>\n Velmi vysok\u00e1<\/td>\n N\u00edzk\u00e1<\/td>\n Vy\u0161\u0161\u00ed<\/td>\n<\/tr>\n \n : Tyto jsou stla\u010deny a zah\u0159\u00e1ty, aby se dos\u00e1hlo velmi vysok\u00e9ho magnetick\u00e9ho v\u00fdkonu. Jsou \u0161iroce pou\u017e\u00edv\u00e1ny v motorech, n\u00e1stroj\u00edch a pr\u016fmyslov\u00fdch za\u0159\u00edzen\u00edch.<\/td>\n M\u00edrn\u00e1<\/td>\n Vysok\u00e1<\/td>\n Ni\u017e\u0161\u00ed<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n Jak siln\u00fd je neomagnet?<\/h2>\n
Magnetick\u00e9 vlastnosti NdFeB<\/h3>\n
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\n\n
\n \nT\u0159\u00edda<\/th>\n BHmax (MGOe)<\/th>\n Max teplota (\u00b0C)<\/th>\n<\/tr>\n<\/thead>\n \n N35<\/td>\n 35<\/td>\n 80<\/td>\n<\/tr>\n \n N52<\/td>\n 52<\/td>\n 60<\/td>\n<\/tr>\n \n N42SH<\/td>\n 42<\/td>\n 150<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n Jak chr\u00e1n\u00edte neodymov\u00e9 magnety?<\/h2>\n
Povrchov\u00e1 \u00faprava a povlaky<\/h3>\n
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Kde se neomagnety pou\u017e\u00edvaj\u00ed?<\/h2>\n
Re\u00e1ln\u00e9 pou\u017eit\u00ed<\/h3>\n
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\n \nPr\u016fmysl<\/th>\n P\u0159\u00edpad pou\u017eit\u00ed<\/th>\n<\/tr>\n<\/thead>\n \n Spot\u0159ebn\u00ed elektroniku<\/td>\n Reproduktory v telefonu, vibra\u010dn\u00ed motory<\/td>\n<\/tr>\n \n Automobilov\u00fd pr\u016fmysl<\/td>\n Motory EV, senzory ABS<\/td>\n<\/tr>\n \n Obnoviteln\u00e1 energie<\/td>\n Gener\u00e1tory v\u011btrn\u00fdch turb\u00edn<\/td>\n<\/tr>\n \n Zdravotnictv\u00ed<\/td>\n MRI p\u0159\u00edstroje, chirurgick\u00e9 n\u00e1stroje<\/td>\n<\/tr>\n \n Pr\u016fmyslov\u00e9<\/td>\n Magnetick\u00e9 separ\u00e1tory, zvedac\u00ed za\u0159\u00edzen\u00ed<\/td>\n<\/tr>\n \n DIY a hobby<\/td>\n Magnetick\u00e9 zap\u00edn\u00e1n\u00ed, v\u011bdeck\u00e9 sady<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n Jak bych m\u011bl s neomagnety bezpe\u010dn\u011b manipulovat?<\/h2>\n
Tipy pro bezpe\u010dn\u00e9 zach\u00e1zen\u00ed<\/h3>\n
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A co p\u0159edpisy a udr\u017eitelnost?<\/h2>\n
Obavy z \u017eivotn\u00edho prost\u0159ed\u00ed a shody<\/h3>\n
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Z\u00e1v\u011br<\/h2>\n
","protected":false},"excerpt":{"rendered":"