{"id":1866,"date":"2025-08-11T06:28:03","date_gmt":"2025-08-11T06:28:03","guid":{"rendered":"https:\/\/nbaem.com\/?p=1866"},"modified":"2025-08-11T06:42:16","modified_gmt":"2025-08-11T06:42:16","slug":"samarium-cobalt-vs-neodymium-magnets","status":"publish","type":"post","link":"https:\/\/nbaem.com\/cs\/samarium-cobalt-vs-neodymium-magnets\/","title":{"rendered":"Samarium Cobalt vs Neodymium magnety - s\u00edla a pou\u017eit\u00ed"},"content":{"rendered":"<p>Zaj\u00edm\u00e1 v\u00e1s, kter\u00fd vz\u00e1cn\u00fd zemn\u00ed magnet je nejvhodn\u011bj\u0161\u00ed pro v\u00e1\u0161 projekt: <strong>samarium-kobaltov\u00e9 vs. neodymiov\u00e9 magnety<\/strong>? Volba spr\u00e1vn\u00e9ho typu magnetu m\u016f\u017ee ud\u011blat velk\u00fd rozd\u00edl v v\u00fdkonu, odolnosti a n\u00e1kladov\u00e9 efektivit\u011b. A\u0165 u\u017e jste in\u017een\u00fdr navrhuj\u00edc\u00ed vysoce p\u0159esn\u00e9 motory, n\u00e1kup\u010d\u00ed zaji\u0161\u0165uj\u00edc\u00ed materi\u00e1ly nebo hobbyista zkoumaj\u00edc\u00ed mo\u017enosti magnet\u016f, pochopen\u00ed t\u011bchto dvou siln\u00fdch magnet\u016f je nezbytn\u00e9.<\/p>\n<p>V tomto podrobn\u00e9m srovn\u00e1n\u00ed rozebereme kl\u00ed\u010dov\u00e9 rozd\u00edly mezi <strong>samarium-kobaltov\u00fdmi (SmCo)<\/strong> a <strong>neodym (NdFeB)<\/strong> magnety \u2013 pokr\u00fdvaj\u00edc\u00ed v\u0161e od magnetick\u00e9 s\u00edly a tolerance teploty po odolnost proti korozi a pr\u016fmyslov\u00e9 pou\u017eit\u00ed. Nav\u00edc z\u00edsk\u00e1te p\u0159ehled o cen\u00e1ch a faktorech dodavatelsk\u00e9ho \u0159et\u011bzce, kter\u00e9 ovliv\u0148uj\u00ed va\u0161e rozhodnut\u00ed o koupi.<\/p>\n<p>Pokud se chcete vyhnout n\u00e1kladn\u00fdm chyb\u00e1m a vybrat ide\u00e1ln\u00ed magnet pro va\u0161e konkr\u00e9tn\u00ed pot\u0159eby, je tento pr\u016fvodce ur\u010den pr\u00e1v\u011b v\u00e1m. Pono\u0159me se do sv\u011bta <strong>samarium-kobaltov\u00e9 vs. neodymiov\u00e9 magnety<\/strong> a pomozte v\u00e1m u\u010dinit informovan\u00e9 rozhodnut\u00ed s odborn\u00fdmi tipy od NBAEM, d\u016fv\u011bryhodn\u00e9ho \u010d\u00ednsk\u00e9ho dodavatele specializuj\u00edc\u00edho se na oba typy magnet\u016f.<\/p>\n<div id=\"attachment_1867\" style=\"width: 811px\" class=\"wp-caption alignnone\"><img decoding=\"async\" aria-describedby=\"caption-attachment-1867\" class=\"size-full wp-image-1867\" src=\"https:\/\/nbaem.com\/wp-content\/uploads\/2025\/08\/samarium-cobalt-vs-neodymium-magnets.jpg\" alt=\"samarium-kobaltov\u00e9 vs. neodymiov\u00e9 magnety\" width=\"801\" height=\"421\" srcset=\"https:\/\/nbaem.com\/wp-content\/uploads\/2025\/08\/samarium-cobalt-vs-neodymium-magnets-200x105.jpg 200w, https:\/\/nbaem.com\/wp-content\/uploads\/2025\/08\/samarium-cobalt-vs-neodymium-magnets-300x158.jpg 300w, https:\/\/nbaem.com\/wp-content\/uploads\/2025\/08\/samarium-cobalt-vs-neodymium-magnets-400x210.jpg 400w, https:\/\/nbaem.com\/wp-content\/uploads\/2025\/08\/samarium-cobalt-vs-neodymium-magnets-600x315.jpg 600w, https:\/\/nbaem.com\/wp-content\/uploads\/2025\/08\/samarium-cobalt-vs-neodymium-magnets-768x404.jpg 768w, https:\/\/nbaem.com\/wp-content\/uploads\/2025\/08\/samarium-cobalt-vs-neodymium-magnets.jpg 801w\" sizes=\"(max-width: 801px) 100vw, 801px\" \/><p id=\"caption-attachment-1867\" class=\"wp-caption-text\">samarium-kobaltov\u00e9 vs. neodymiov\u00e9 magnety<\/p><\/div>\n<h2>Co jsou magnety samarium-kobalt a neodymov\u00e9 magnety<\/h2>\n<p><strong>Samarium-kobaltov\u00e9 (SmCo) a Neodymium-\u017eelezo-borov\u00e9 (NdFeB) magnety jsou oba typy vz\u00e1cn\u00fdch zemn\u00edch magnet\u016f zn\u00e1m\u00fdch sv\u00fdmi v\u00fdjime\u010dn\u00fdmi magnetick\u00fdmi vlastnostmi. Jsou vyrobeny z slitin vz\u00e1cn\u00fdch zemin, kter\u00e9 jim poskytuj\u00ed v\u00fdrazn\u011b vy\u0161\u0161\u00ed v\u00fdkon ve srovn\u00e1n\u00ed s konven\u010dn\u00edmi ferritov\u00fdmi nebo alnico magnety.<\/strong><\/p>\n<p><strong>Samarium Cobalt magnety<\/strong> jsou slo\u017eeny p\u0159ev\u00e1\u017en\u011b ze samaria (Sm) a kobaltu (Co), s stopov\u00fdmi mno\u017estv\u00edmi dal\u0161\u00edch kov\u016f, jako je m\u011b\u010f a \u017eelezo, pro zv\u00fd\u0161en\u00ed v\u00fdkonu. Byly poprv\u00e9 vyvinuty na za\u010d\u00e1tku 70. let 20. stolet\u00ed a byly nejsiln\u011bj\u0161\u00edmi trval\u00fdmi magnety dostupn\u00fdmi p\u0159ed zaveden\u00edm neodymov\u00fdch magnet\u016f. SmCo magnety jsou cen\u011bny pro jejich schopnost udr\u017eet magnetickou s\u00edlu p\u0159i vysok\u00fdch teplot\u00e1ch a vynikaj\u00edc\u00ed odolnost proti korozi bez nutnosti povlak\u016f.<\/p>\n<p><strong>Neodymov\u00e9 magnety<\/strong>, chemicky zn\u00e1m\u00e9 jako NdFeB, jsou vyrobeny z neodymu (Nd), \u017eeleza (Fe) a boru (B). P\u016fvodn\u011b vyvinuty na za\u010d\u00e1tku 80. let 20. stolet\u00ed, rychle se staly nejsiln\u011bj\u0161\u00edmi dostupn\u00fdmi trval\u00fdmi magnety, schopn\u00fdmi vytv\u00e1\u0159et mnohem siln\u011bj\u0161\u00ed magnetick\u00e1 pole ne\u017e SmCo magnety p\u0159i stejn\u00e9 velikosti. Nicm\u00e9n\u011b, obvykle vy\u017eaduj\u00ed ochrann\u00e9 povlaky, jako je nikl nebo epoxid, aby se zabr\u00e1nilo oxidaci.<\/p>\n<h3>V\u00fdrobn\u00ed procesy<\/h3>\n<p>Oba SmCo a NdFeB magnety proch\u00e1zej\u00ed podobn\u00fdmi f\u00e1zemi v\u00fdroby, i kdy\u017e se materi\u00e1ly a p\u0159esn\u00e9 procesy li\u0161\u00ed:<\/p>\n<ul>\n<li><strong>P\u0159\u00edpravu pr\u00e1\u0161ku<\/strong> \u2013 Surov\u00e9 kovy se tav\u00ed, sl\u00e9vaj\u00ed a melou na jemn\u00fd pr\u00e1\u0161ek.<\/li>\n<li><strong>Tla\u010den\u00ed<\/strong> \u2013 Pr\u00e1\u0161ek se zarovn\u00e1v\u00e1 v siln\u00e9m magnetick\u00e9m poli a stla\u010duje do po\u017eadovan\u00e9ho tvaru.<\/li>\n<li><strong>Sinterov\u00e1n\u00ed<\/strong> \u2013 Zhutn\u011bn\u00fd pr\u00e1\u0161ek se zah\u0159\u00edv\u00e1 na vysok\u00e9 teploty, aby se dos\u00e1hlo hustoty a magnetick\u00e9 s\u00edly.<\/li>\n<li><strong>Obr\u00e1b\u011bn\u00ed<\/strong> \u2013 Magnety se \u0159e\u017eou nebo brous\u00ed na p\u0159esn\u00e9 rozm\u011bry.<\/li>\n<li><strong>Povlak (pro NdFeB)<\/strong> \u2013 Neodymov\u00e9 magnety jsou obvykle povlakov\u00e1ny, aby odol\u00e1valy korozi.<\/li>\n<li><strong>Magnetizace<\/strong> \u2013 Na magnety se aplikuje siln\u00e9 magnetick\u00e9 pole k zarovn\u00e1n\u00ed dom\u00e9n a vytvo\u0159en\u00ed trval\u00e9ho magnetu.<\/li>\n<\/ul>\n<p>Pokud m\u00e1te z\u00e1jem o podrobnosti <strong>magnet\u016f SmCo s vysok\u00fdm v\u00fdkonem<\/strong>, m\u016f\u017eete si prohl\u00e9dnout n\u00e1\u0161 podrobn\u00fd pr\u016fvodce <strong><a href=\"https:\/\/nbaem.com\/cs\/what-is-high-performance-smco-magnets\/\" target=\"_blank\" rel=\"noopener\">zde<\/a><\/strong>.<\/p>\n<h2>Porovn\u00e1n\u00ed magnetick\u00fdch vlastnost\u00ed<\/h2>\n<p>P\u0159i srovn\u00e1n\u00ed <strong>samarium-kobaltov\u00e9 vs. neodymiov\u00e9 magnety<\/strong>, rozd\u00edly v v\u00fdkonu jsou jasn\u00e9, jakmile se pod\u00edv\u00e1te na jejich magnetick\u00e9 vlastnosti.<\/p>\n<p><strong>Magnetick\u00e1 s\u00edla<\/strong><\/p>\n<ul>\n<li>Neodym (NdFeB) je nejsiln\u011bj\u0161\u00ed dostupn\u00fd materi\u00e1l pro permanentn\u00ed magnety, s maxim\u00e1ln\u00edm produktem energie dosahuj\u00edc\u00edm <strong>35\u201352 MGOe<\/strong>.<\/li>\n<li>Samarium cobalt (SmCo) je ni\u017e\u0161\u00ed, obvykle kolem <strong>20\u201332 MGOe<\/strong>, ale st\u00e1le dostate\u010dn\u011b siln\u00fd pro mnoho n\u00e1ro\u010dn\u00fdch aplikac\u00ed.<\/li>\n<\/ul>\n<p><strong>Teplotn\u00ed stabilita<\/strong><\/p>\n<ul>\n<li>SmCo zvl\u00e1d\u00e1 vysok\u00e9 teplo mnohem l\u00e9pe, pracuje v prost\u0159ed\u00edch <strong>a\u017e do 300\u00b0C (572\u00b0F)<\/strong> bez ztr\u00e1ty p\u0159\u00edli\u0161 velk\u00e9 s\u00edly.<\/li>\n<li>NdFeB za\u010d\u00edn\u00e1 ztr\u00e1cet magnetick\u00fd v\u00fdkon nad <strong>80\u2013150\u00b0C (176\u2013302\u00b0F)<\/strong> pokud nejsou pou\u017eity speci\u00e1ln\u00ed vysokoteplotn\u00ed t\u0159\u00eddy.<\/li>\n<\/ul>\n<p><strong>Odolnost proti korozi a trvanlivost<\/strong><\/p>\n<ul>\n<li>SmCo je vysoce odoln\u00fd v\u016f\u010di korozi a obvykle nepot\u0159ebuje povrchovou \u00fapravu.<\/li>\n<li>NdFeB je n\u00e1chyln\u00fd ke korozi a t\u00e9m\u011b\u0159 v\u017edy vy\u017eaduje ochrannou vrstvu, jako je nikl, epoxid nebo zinek.<\/li>\n<\/ul>\n<p><strong>Koercivita a odolnost proti demagnetizaci<\/strong><\/p>\n<ul>\n<li>Oba magnety maj\u00ed vysokou koercivitu, ale SmCo z\u016fst\u00e1v\u00e1 stabiln\u011bj\u0161\u00ed p\u0159i vystaven\u00ed velmi siln\u00fdm protich\u016fdn\u00fdm magnetick\u00fdm pol\u00edm nebo vysok\u00fdm teplot\u00e1m.<\/li>\n<li>NdFeB m\u00e1 vy\u0161\u0161\u00ed po\u010d\u00e1te\u010dn\u00ed tahovou s\u00edlu, ale je snaz\u0161\u00ed jej demagnetizovat p\u0159i tepeln\u00edm nam\u00e1h\u00e1n\u00ed.<\/li>\n<\/ul>\n<p><strong>Fyzik\u00e1ln\u00ed vlastnosti<\/strong><\/p>\n<ul>\n<li>SmCo je hust\u0161\u00ed a k\u0159eh\u010d\u00ed, proto je t\u0159eba s n\u00edm zach\u00e1zet opatrn\u011b, aby nedo\u0161lo k od\u0161t\u00edpnut\u00ed.<\/li>\n<li>NdFeB je m\u00edrn\u011b m\u00e9n\u011b k\u0159ehk\u00e9, ale st\u00e1le k\u0159ehk\u00e9 ve srovn\u00e1n\u00ed s ocelov\u00fdmi d\u00edly, zejm\u00e9na bez povlaku.<\/li>\n<\/ul>\n<p>Zde je rychl\u00e9 srovn\u00e1n\u00ed vlastnost\u00ed:<\/p>\n<table>\n<thead>\n<tr>\n<th>Vlastnost<\/th>\n<th>Magnety SmCo<\/th>\n<th>NdFeB magnety<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Maxim\u00e1ln\u00ed energetick\u00fd produkt (MGOe)<\/td>\n<td>20\u201332<\/td>\n<td>35\u201352<\/td>\n<\/tr>\n<tr>\n<td>Maxim\u00e1ln\u00ed provozn\u00ed teplota<\/td>\n<td>~300\u00b0C \/ 572\u00b0F<\/td>\n<td>80\u2013150\u00b0C \/ 176\u2013302\u00b0F<\/td>\n<\/tr>\n<tr>\n<td>Odolnost proti korozi<\/td>\n<td>Vynikaj\u00edc\u00ed<\/td>\n<td>\u0160patn\u00e9 (vy\u017eaduje povlak)<\/td>\n<\/tr>\n<tr>\n<td>Koercivita p\u0159i vysok\u00e9 teplot\u011b<\/td>\n<td>Velmi vysok\u00e1<\/td>\n<td>M\u00edrn\u00e1 a\u017e vysok\u00e1<\/td>\n<\/tr>\n<tr>\n<td>K\u0159ehkost<\/td>\n<td>Vysok\u00e1<\/td>\n<td>M\u00edrn\u00e1<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>V\u00fdhody a nev\u00fdhody<\/h2>\n<h3>V\u00fdhody magnetu samarium-kobalt<\/h3>\n<ul>\n<li><strong>Odolnost v\u016f\u010di vysok\u00fdm teplot\u00e1m<\/strong> \u2013 Spolehliv\u011b funguje v prost\u0159ed\u00edch do p\u0159ibli\u017en\u011b 300\u00b0C, co\u017e z n\u011bj \u010din\u00ed obl\u00edbenou volbu pro vysokoteplotn\u00ed operace.<\/li>\n<li><strong>Vynikaj\u00edc\u00ed odolnost proti korozi<\/strong> \u2013 P\u0159irozen\u011b odoln\u00fd v\u016f\u010di korozi a oxidaci bez pot\u0159eby povlak\u016f.<\/li>\n<li><strong>Dlouh\u00e1 \u017eivotnost<\/strong> \u2013 Udr\u017euje magnetickou s\u00edlu des\u00edtky let, i v n\u00e1ro\u010dn\u00fdch pr\u016fmyslov\u00fdch podm\u00ednk\u00e1ch.<\/li>\n<\/ul>\n<h3>Nev\u00fdhody magnetu samarium-kobalt<\/h3>\n<ul>\n<li><strong>Vy\u0161\u0161\u00ed cena<\/strong> \u2013 Suroviny jako samarium a kobalt jsou drah\u00e9.<\/li>\n<li><strong>K\u0159ehk\u00fd materi\u00e1l<\/strong> \u2013 M\u016f\u017ee od\u0161t\u00edpnout nebo prasknout p\u0159i p\u00e1du nebo n\u00e1razu.<\/li>\n<li><strong>Ni\u017e\u0161\u00ed magnetick\u00e1 s\u00edla ve srovn\u00e1n\u00ed s NdFeB<\/strong> \u2013 Dobr\u00e1 pevnost, ale nen\u00ed tak siln\u00fd jako neodym.<\/li>\n<\/ul>\n<h3>V\u00fdhody neodymov\u00fdch magnet\u016f<\/h3>\n<ul>\n<li><strong>Vysok\u00e1 magnetick\u00e1 s\u00edla<\/strong> \u2013 Nejpevn\u011bj\u0161\u00ed typ permanentn\u00edho magnetu dostupn\u00fd, ide\u00e1ln\u00ed kdy\u017e je prioritou maxim\u00e1ln\u00ed tahov\u00e1 s\u00edla.<\/li>\n<li><strong>Ekonomick\u00e9<\/strong> \u2013 Obecn\u011b levn\u011bj\u0161\u00ed na jednotku magnetick\u00e9 s\u00edly ne\u017e SmCo.<\/li>\n<li><strong>\u0160iroce dostupn\u00e9<\/strong> \u2013 Snadno dostupn\u00e9 v mnoha tvarech, velikostech a t\u0159\u00edd\u00e1ch d\u00edky masov\u00e9 v\u00fdrob\u011b.<\/li>\n<\/ul>\n<h3>Nev\u00fdhody neodymov\u00fdch magnet\u016f<\/h3>\n<ul>\n<li><strong>\u0160patn\u00e1 odolnost v\u016f\u010di teplot\u00e1m<\/strong> \u2013 Ztr\u00e1c\u00ed s\u00edlu p\u0159i teplot\u00e1ch nad 80\u2013200\u00b0C v z\u00e1vislosti na t\u0159\u00edd\u011b.<\/li>\n<li><strong>N\u00e1chyln\u00e9 ke korozi<\/strong> \u2013 Vy\u017eaduj\u00ed povlaky (nikl, zinek, epoxid) k prevenci rzi, zejm\u00e9na v vlhk\u00fdch nebo mo\u0159sk\u00fdch podm\u00ednk\u00e1ch.<\/li>\n<li><strong>Kr\u00e1tk\u00e1 \u017eivotnost v drsn\u00fdch podm\u00ednk\u00e1ch<\/strong> \u2013 V\u00fdkon se m\u016f\u017ee rychleji zhor\u0161ovat p\u0159i vystaven\u00ed teplu, vlhkosti nebo chemik\u00e1li\u00edm bez ochrany.<\/li>\n<\/ul>\n<h2>Aplikace a pr\u016fmyslov\u00e9 p\u0159\u00edpady pou\u017eit\u00ed<\/h2>\n<p>Samarium-kobalt (SmCo) a neodymov\u00e9 (NdFeB) magnety jsou oba vz\u00e1cn\u00e9 zemn\u00ed magnety, ale vynikaj\u00ed v r\u016fzn\u00fdch odv\u011btv\u00edch d\u00edky tomu, jak zvl\u00e1daj\u00ed s\u00edlu, teplo a prost\u0159ed\u00ed.<\/p>\n<h3>Kde se pou\u017e\u00edvaj\u00ed magnety samarium-kobalt<\/h3>\n<p>Magnety SmCo si udr\u017e\u00ed svou magnetickou s\u00edlu v podm\u00ednk\u00e1ch, kde selh\u00e1vaj\u00ed mnoh\u00e9 jin\u00e9 permanentn\u00ed magnety. Jsou b\u011b\u017en\u00e9 v:<\/p>\n<ul>\n<li><strong>Vesm\u00edrn\u00fd pr\u016fmysl<\/strong> \u2013 Pou\u017e\u00edvaj\u00ed se v naviga\u010dn\u00edch syst\u00e9mech, pohonech a vysokoteplotn\u00edch sou\u010d\u00e1stech, kde je spolehlivost kl\u00ed\u010dov\u00e1.<\/li>\n<li><strong>Automobilov\u00e9 senzory<\/strong> \u2013 Ide\u00e1ln\u00ed pro d\u00edly pod kapotou, jako jsou senzory ABS kol a senzory polohy plynu, kter\u00e9 jsou vystaveny vysok\u00e9mu teplu a vibrac\u00edm.<\/li>\n<li><strong>Vysokotepeln\u00e1 prost\u0159ed\u00ed<\/strong> \u2013 Pr\u016fmyslov\u00e9 za\u0159\u00edzen\u00ed, turb\u00edny a dokonce i n\u00e1stroje na ropu a plyn, kde teploty mohou p\u0159ekro\u010dit limity, kter\u00e9 neodym zvl\u00e1dne.<\/li>\n<\/ul>\n<h3>Kde se pou\u017e\u00edvaj\u00ed neodymov\u00e9 magnety<\/h3>\n<p>NdFeB magnety jsou volbou \u010d\u00edslo jedna, kdy\u017e pot\u0159ebujete velmi vysokou magnetickou s\u00edlu za rozumnou cenu. Objevuj\u00ed se v:<\/p>\n<ul>\n<li><strong>Elektronika<\/strong> \u2013 Chytr\u00fdch telefonech, reproduktorech, sluch\u00e1tk\u00e1ch a pevn\u00fdch disc\u00edch.<\/li>\n<li><strong>Motory<\/strong> \u2013 Motory elektrick\u00fdch vozidel, pr\u016fmyslov\u00e9 pohony a kompaktn\u00ed robotick\u00e9 pohony.<\/li>\n<li><strong>Obnoviteln\u00e1 energie<\/strong> \u2013 Gener\u00e1tory v\u011btrn\u00fdch turb\u00edn a dal\u0161\u00ed syst\u00e9my \u010dist\u00e9 energie.<\/li>\n<li><strong>Spot\u0159ebitelsk\u00e9 produkty<\/strong> \u2013 Magnetick\u00e9 dr\u017e\u00e1ky n\u00e1stroj\u016f, uz\u00e1v\u011bry, hra\u010dky a fitness vybaven\u00ed.<\/li>\n<\/ul>\n<h3>P\u0159\u00edklady dod\u00e1vek NBAEM v re\u00e1ln\u00e9m sv\u011bt\u011b<\/h3>\n<p>Ze zku\u0161enost\u00ed NBAEM s dod\u00e1vkami v\u00fdrobc\u016fm v \u010cesk\u00e9 republice:<\/p>\n<ul>\n<li>Dodali jsme <strong>SmCo magnety<\/strong> pro leteck\u00e9 firmy v \u010cesk\u00e9 republice, kter\u00e9 pot\u0159ebuj\u00ed vysokou odolnost v\u016f\u010di vysok\u00fdm teplot\u00e1m v syst\u00e9mech \u0159\u00edzen\u00ed letu.<\/li>\n<li>Dodali jsme <strong>NdFeB magnety<\/strong> v\u00fdrobc\u016fm elektrick\u00fdch motor\u016f v \u010cesk\u00e9 republice, kte\u0159\u00ed usiluj\u00ed o v\u011bt\u0161\u00ed to\u010div\u00fd moment v men\u0161\u00edm prostoru.<\/li>\n<li>Z\u00e1kazn\u00edk z oblasti obnoviteln\u00e9 energie v \u010cesk\u00e9 republice od n\u00e1s z\u00edskal velk\u00e9 sestavy NdFeB pro zv\u00fd\u0161en\u00ed \u00fa\u010dinnosti v\u011btrn\u00fdch turb\u00edn.<\/li>\n<li>Automobilov\u00fd klient v \u010cesk\u00e9 republice p\u0159e\u0161el na senzory SmCo od NBAEM, aby vy\u0159e\u0161il demagnetizaci zp\u016fsobenou teplem v elektronice motorov\u00e9ho prostoru.<\/li>\n<\/ul>\n<p>SmCo je nejvhodn\u011bj\u0161\u00ed, kdy\u017e rozhoduj\u00ed teplo a drsn\u00e9 prost\u0159ed\u00ed, zat\u00edmco NdFeB je v\u00fdhodn\u011bj\u0161\u00ed, kdy\u017e je hlavn\u00edm c\u00edlem kompaktn\u00ed velikost s maxim\u00e1ln\u00ed pevnost\u00ed.<\/p>\n<h2>N\u00e1kladov\u00e9 \u00favahy a p\u0159ehled dodavatelsk\u00e9ho \u0159et\u011bzce<\/h2>\n<p>P\u0159i srovn\u00e1n\u00ed magnet\u016f s praseodymem a kobaltem versus neodymiov\u00e9 magnety je cena jedn\u00edm z prvn\u00edch faktor\u016f, na kter\u00e9 v\u011bt\u0161ina kupuj\u00edc\u00edch v \u010cesk\u00e9 republice hled\u00ed. Obecn\u011b jsou magnety SmCo dra\u017e\u0161\u00ed ne\u017e NdFeB magnety. To je zp\u016fsobeno t\u00edm, \u017ee <strong>praseodym a kobalt jsou drah\u00e9 suroviny<\/strong>, a v\u00fdrobn\u00ed proces pro SmCo je slo\u017eit\u011bj\u0161\u00ed. Neodymiov\u00e9 magnety naopak t\u011b\u017e\u00ed z <strong>\u0161ir\u0161\u00ed dostupnosti surov\u00e9ho neodymia a jednodu\u0161\u0161\u00ed masov\u00e9 v\u00fdroby<\/strong>, co\u017e udr\u017euje ceny ni\u017e\u0161\u00ed.<\/p>\n<p>N\u011bkolik bod\u016f, kter\u00e9 ovliv\u0148uj\u00ed cenu:<\/p>\n<ul>\n<li><strong>Cen\u00e1ch surovin:<\/strong> N\u00e1klady na praseodym a kobalt kol\u00edsaj\u00ed v z\u00e1vislosti na t\u011b\u017eb\u011b a popt\u00e1vce, zat\u00edmco ceny neodymia jsou v\u00e1z\u00e1ny na trendy na trhu vz\u00e1cn\u00fdch zemin.<\/li>\n<li><strong>Slo\u017eitost v\u00fdroby:<\/strong> Magnety SmCo vy\u017eaduj\u00ed p\u0159esn\u00e9 zpracov\u00e1n\u00ed pro vysokoteplotn\u00ed stabilitu, co\u017e zvy\u0161uje v\u00fdrobn\u00ed n\u00e1klady.<\/li>\n<li><strong>Objem a tvary:<\/strong> V\u011bt\u0161\u00ed objedn\u00e1vky a standardn\u00ed tvary obvykle z\u00edsk\u00e1vaj\u00ed lep\u0161\u00ed ceny.<\/li>\n<\/ul>\n<p>Z <strong>glob\u00e1ln\u00edho dodavatelsk\u00e9ho<\/strong> hlediska, \u010c\u00edna dominuje pr\u016fmyslu magnet\u016f z vz\u00e1cn\u00fdch zemin \u2014 jak SmCo, tak NdFeB. NBAEM p\u0159\u00edmo nakupuje od d\u016fv\u011bryhodn\u00fdch v\u00fdrobc\u016f v \u010c\u00edn\u011b, co\u017e znamen\u00e1 <strong>stabiln\u00ed ceny, spolehliv\u00e9 dodac\u00ed lh\u016fty a p\u0159\u00edsn\u00e9 kontroly kvality<\/strong> p\u0159ed odesl\u00e1n\u00edm na trh v \u010cesk\u00e9 republice.<\/p>\n<p>Typick\u00e9 dodac\u00ed lh\u016fty:<\/p>\n<ul>\n<li><strong>Skladov\u00e9 velikosti:<\/strong> 1\u20132 t\u00fddny pro z\u00e1kazn\u00edky v \u010cesk\u00e9 republice.<\/li>\n<li><strong>Zak\u00e1zkov\u00e9 objedn\u00e1vky:<\/strong> 4\u20136 t\u00fddn\u016f v z\u00e1vislosti na specifikac\u00edch a povrchov\u00fdch \u00faprav\u00e1ch.<\/li>\n<\/ul>\n<p>Minim\u00e1ln\u00ed mno\u017estv\u00ed objedn\u00e1vek (MOQ) se li\u0161\u00ed:<\/p>\n<ul>\n<li>NdFeB: obvykle ni\u017e\u0161\u00ed MOQ, co\u017e je praktick\u00e9 pro men\u0161\u00ed s\u00e9rie.<\/li>\n<li>SmCo: \u010dasto vy\u0161\u0161\u00ed MOQ kv\u016fli n\u00e1klad\u016fm na p\u0159\u00edpravu v\u00fdroby, ale NBAEM spolupracuje s flexibiln\u00edmi velikostmi batch\u016f na podporu prototypov\u00e1n\u00ed a n\u00edzkov\u00fdrobn\u00edch pot\u0159eb.<\/li>\n<\/ul>\n<p>Pro firmy v \u010cesk\u00e9 republice je kl\u00ed\u010dov\u00e9 vyv\u00e1\u017een\u00ed <strong>rozpo\u010dtu, specifikac\u00ed projektu a spolehlivosti dod\u00e1vek<\/strong> s t\u00edm, \u017ee NBAEM nab\u00edz\u00ed p\u0159\u00edstup k <strong>konkurenceschopn\u00fdm cen\u00e1m v \u010d\u00ednsk\u00fdch tov\u00e1rn\u00e1ch<\/strong> bez obvykl\u00fdch probl\u00e9m\u016f p\u0159i z\u00edsk\u00e1v\u00e1n\u00ed a dovozu.<\/p>\n<h2>Jak vybrat spr\u00e1vn\u00fd magnet pro v\u00e1\u0161 projekt<\/h2>\n<p>P\u0159i rozhodov\u00e1n\u00ed mezi magnety samarium-kobalt (SmCo) a neodym (NdFeB) v\u017edy doporu\u010dujeme nejd\u0159\u00edve zv\u00e1\u017eit skute\u010dn\u00e9 pot\u0159eby va\u0161eho projektu. Spr\u00e1vn\u00e1 volba nen\u00ed jen o magnetick\u00e9 s\u00edle \u2014 jde tak\u00e9 o to, kde a jak bude magnet pou\u017eit, jak\u00e9 prost\u0159ed\u00ed ho bude vystavovat a kolik chcete utratit.<\/p>\n<h3>Kl\u00ed\u010dov\u00e9 ot\u00e1zky, kter\u00e9 je t\u0159eba polo\u017eit<\/h3>\n<p>P\u0159ed n\u00e1kupem si zafixujte tyto detaily:<\/p>\n<ul>\n<li><strong>Jakou nejvy\u0161\u0161\u00ed teplotu bude muset vydr\u017eet?<\/strong> Pokud se bude h\u0159\u00e1t (nad 300\u00b0F), je bezpe\u010dn\u011bj\u0161\u00ed volbou SmCo.<\/li>\n<li><strong>Jak siln\u00fd mus\u00ed b\u00fdt?<\/strong> Pro maxim\u00e1ln\u00ed tah v t\u011bsn\u00fdch prostorech je t\u011b\u017ek\u00e9 p\u0159ekonat NdFeB.<\/li>\n<li><strong>Bude vystaven vlhkosti, soli nebo chemik\u00e1li\u00edm?<\/strong> SmCo p\u0159irozen\u011b odol\u00e1v\u00e1 korozi; NdFeB pot\u0159ebuje ochrannou vrstvu.<\/li>\n<li><strong>Jak\u00fd m\u00e1te rozpo\u010det?<\/strong> NdFeB je obvykle cenov\u011b v\u00fdhodn\u011bj\u0161\u00ed, SmCo stoj\u00ed v\u00edce, ale vydr\u017e\u00ed d\u00e9le v n\u00e1ro\u010dn\u00fdch podm\u00ednk\u00e1ch.<\/li>\n<\/ul>\n<h3>Rychl\u00e9 srovn\u00e1n\u00ed<\/h3>\n<table>\n<thead>\n<tr>\n<th>Faktor<\/th>\n<th>Samarium Kobalt (SmCo)<\/th>\n<th>Neodym (NdFeB)<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Magnetick\u00e1 s\u00edla<\/td>\n<td>Vysok\u00e1, ale m\u00e9n\u011b ne\u017e NdFeB<\/td>\n<td>Velmi vysok\u00e1<\/td>\n<\/tr>\n<tr>\n<td>Tepeln\u00e1 odolnost<\/td>\n<td>Vynikaj\u00edc\u00ed (a\u017e ~572\u00b0F \/ 300\u00b0C)<\/td>\n<td>Dobr\u00e1 (a\u017e ~176\u00b0F \/ 80\u00b0C standardn\u011b)<\/td>\n<\/tr>\n<tr>\n<td>Odolnost proti korozi<\/td>\n<td>Vynikaj\u00edc\u00ed (bez pot\u0159eby povrchov\u00e9 \u00fapravy)<\/td>\n<td>\u0160patn\u00e1 bez povrchov\u00e9 \u00fapravy<\/td>\n<\/tr>\n<tr>\n<td>Cena<\/td>\n<td>Vy\u0161\u0161\u00ed<\/td>\n<td>Ni\u017e\u0161\u00ed<\/td>\n<\/tr>\n<tr>\n<td>Odolnost v n\u00e1ro\u010dn\u00fdch prost\u0159ed\u00edch<\/td>\n<td>Vynikaj\u00edc\u00ed<\/td>\n<td>St\u0159edn\u00ed (z\u00e1vis\u00ed na povrchov\u00e9 \u00faprav\u011b)<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h3>Tipy od odborn\u00edk\u016f NBAEM<\/h3>\n<ul>\n<li><strong>Myslete dlouhodob\u011b.<\/strong> Pokud v\u00e1\u0161 magnet bude vystaven teplu, vibrac\u00edm nebo drsn\u00fdm podm\u00ednk\u00e1m, SmCo v\u00e1s m\u016f\u017ee \u010dasem u\u0161et\u0159it pen\u011bz.<\/li>\n<li><strong>Pro produkty s vysok\u00fdm objemem v\u00fdroby<\/strong>, ni\u017e\u0161\u00ed cena a vy\u0161\u0161\u00ed pevnost NdFeB d\u00e1vaj\u00ed lep\u0161\u00ed hodnotu, pokud dok\u00e1\u017eete udr\u017eet teplo a korozi pod kontrolou.<\/li>\n<li><strong>P\u0159i\u0159a\u010fte magnetickou t\u0159\u00eddu k pou\u017eit\u00ed<\/strong>, nejen velikost \u2014 vy\u0161\u0161\u00ed t\u0159\u00eddy v obou materi\u00e1lech mohou dramaticky zm\u011bnit v\u00fdkon.<\/li>\n<li><strong>Po\u017e\u00e1dejte o vzorky<\/strong> p\u0159ed z\u00e1vazkem k velk\u00e9mu objedn\u00e1n\u00ed; NBAEM m\u016f\u017ee dodat jak SmCo, tak NdFeB v r\u016fzn\u00fdch povrchov\u00fdch \u00faprav\u00e1ch, tvarech a t\u0159\u00edd\u00e1ch.<\/li>\n<\/ul>\n<h2>Magnetov\u00e1 \u0159e\u0161en\u00ed NBAEM<\/h2>\n<p>V NBAEM dod\u00e1v\u00e1me jak <strong>samarium-kobaltov\u00fdmi (SmCo)<\/strong> a <strong>neodym (NdFeB)<\/strong> magnety v \u0161irok\u00e9 \u0161k\u00e1le t\u0159\u00edd, velikost\u00ed a tvar\u016f, kter\u00e9 odpov\u00eddaj\u00ed r\u016fzn\u00fdm v\u00fdkonov\u00fdm a rozpo\u010dtov\u00fdm pot\u0159eb\u00e1m. A\u0165 u\u017e va\u0161e projekt vy\u017eaduje vysokou teplotn\u00ed stabilitu v leteck\u00fdch senzorech nebo maxim\u00e1ln\u00ed magnetickou s\u00edlu v kompaktn\u00edm motoru, m\u016f\u017eeme zajistit nebo na m\u00edru vyrobit spr\u00e1vn\u00fd magnet pro v\u00e1s.<\/p>\n<p>Dodr\u017eujeme p\u0159\u00edsn\u00e9 <strong>z\u00e1ruka kvality<\/strong> postupy s plnou <strong>ISO certifikovanou v\u00fdrobou<\/strong> a testov\u00e1n\u00edm. Ka\u017ed\u00e1 \u0161ar\u017ee proch\u00e1z\u00ed kontrolou rozm\u011br\u016f, ov\u011b\u0159en\u00edm magnetick\u00fdch vlastnost\u00ed a vizu\u00e1ln\u00edmi kontrolami p\u0159ed odesl\u00e1n\u00edm. Pro z\u00e1kazn\u00edky v \u010cesk\u00e9 republice to znamen\u00e1 konzistentn\u00ed, spolehliv\u00fd v\u00fdkon p\u0159i ka\u017ed\u00e9 objedn\u00e1vce.<\/p>\n<p>Na\u0161e <strong>slu\u017eby p\u0159izp\u016fsoben\u00ed<\/strong> zahrnuj\u00ed:<\/p>\n<ul>\n<li>Speci\u00e1ln\u00ed tvary a rozm\u011bry<\/li>\n<li>Mo\u017enosti povrchov\u00e9 \u00fapravy pro odolnost proti korozi<\/li>\n<li>\u00dapravy magnetick\u00e9 orientace<\/li>\n<li>Po\u017eadavky na teplotu a koercivitu<\/li>\n<\/ul>\n<p>Pokud \u010del\u00edte specifick\u00e9mu in\u017een\u00fdrsk\u00e9mu probl\u00e9mu, n\u00e1\u0161 technick\u00fd t\u00fdm m\u016f\u017ee pracovat s va\u0161imi specifikacemi, navrhnout spr\u00e1vnou <strong>SmCo vs NdFeB<\/strong> mo\u017enost, a pomoci optimalizovat v\u00fdkon p\u0159i kontrole n\u00e1klad\u016f.<\/p>\n<p>Pro <strong>konzultace, cenov\u00e9 nab\u00eddky a aktualizace dodac\u00edch lh\u016ft<\/strong>, m\u016f\u017eete:<\/p>\n<ul>\n<li>Napi\u0161te na\u0161emu obchodn\u00edmu t\u00fdmu e-mail s v\u00fdkresy nebo po\u017eadavky<\/li>\n<li>Volejte b\u011bhem pracovn\u00ed doby v \u010cesk\u00e9 republice pro okam\u017eitou odpov\u011b\u010f<\/li>\n<li>Vy\u017e\u00e1dejte si zku\u0161ebn\u00ed s\u00e9rii p\u0159ed zah\u00e1jen\u00edm pln\u00e9 v\u00fdroby<\/li>\n<\/ul>\n<p>NBAEM m\u00e1 dlouholet\u00e9 zku\u0161enosti s dod\u00e1v\u00e1n\u00edm magnet\u016f ze vz\u00e1cn\u00fdch zemin do pr\u016fmyslov\u00fdch odv\u011btv\u00ed v \u010cesk\u00e9 republice \u2013 od vysoce v\u00fdkonn\u00fdch motor\u016f po l\u00e9ka\u0159sk\u00e9 p\u0159\u00edstroje \u2013 a zvl\u00e1d\u00e1me mal\u00e9 v\u00fdrobn\u00ed s\u00e9rie i velk\u00e9 hromadn\u00e9 objedn\u00e1vky se spolehliv\u00fdmi dodac\u00edmi lh\u016ftami.<\/p>\n<h2>Sekce \u010casto kladen\u00fdch ot\u00e1zek<\/h2>\n<h3>M\u016f\u017ee samarium-kobalt nahradit neodymov\u00e9 magnety ve v\u0161ech aplikac\u00edch<\/h3>\n<p>Ne v\u017edy. Samarium kobalt (SmCo) l\u00e9pe sn\u00e1\u0161\u00ed teplo a korozi, ale nen\u00ed tak siln\u00fd jako neodym (NdFeB) p\u0159i stejn\u00e9 velikosti. V pr\u016fmyslov\u00fdch odv\u011btv\u00edch, kde je velikost a maxim\u00e1ln\u00ed p\u0159\u00eddr\u017en\u00e1 s\u00edla kritick\u00e1 \u2013 jako jsou kompaktn\u00ed motory nebo magnetick\u00e9 spony \u2013 je neodym st\u00e1le tou spr\u00e1vnou volbou. SmCo je vhodn\u011bj\u0161\u00ed, kdy\u017e je magnet vystaven vysok\u00e9mu teplu, extr\u00e9mn\u00edmu chladu nebo korozivn\u00edmu prost\u0159ed\u00ed.<\/p>\n<h3>Jsou neodymov\u00e9 magnety bezpe\u010dn\u00e9 pro pou\u017eit\u00ed p\u0159i vysok\u00fdch teplot\u00e1ch<\/h3>\n<p>Standardn\u00ed neodymov\u00e9 magnety za\u010d\u00ednaj\u00ed ztr\u00e1cet s\u00edlu kolem 80 \u00b0C a dlouhodob\u00e9 vystaven\u00ed m\u016f\u017ee zp\u016fsobit trvalou ztr\u00e1tu. Vysokoteplotn\u00ed t\u0159\u00eddy mohou j\u00edt v\u00fd\u0161e, a\u017e do cca 200 \u00b0C, ale st\u00e1le nejsou tak tepeln\u011b odoln\u00e9 jako SmCo. Pokud je va\u0161e aplikace pravideln\u011b vystavena vysok\u00e9mu teplu \u2013 jako v leteck\u00fdch senzorech nebo sou\u010d\u00e1stech automobil\u016f pod kapotou \u2013 je SmCo obvykle bezpe\u010dn\u011bj\u0161\u00ed volbou.<\/p>\n<h3>Jak\u00e9 povlaky jsou k dispozici pro neodymov\u00e9 magnety, aby se zabr\u00e1nilo korozi<\/h3>\n<p>Neodymov\u00e9 magnety jsou n\u00e1chyln\u00e9 ke korozi, pokud nejsou pota\u017eeny. Mezi b\u011b\u017en\u00e9 povlaky pat\u0159\u00ed:<\/p>\n<ul>\n<li><strong>Nikl-M\u011b\u010f-Nikl (Ni-Cu-Ni)<\/strong> \u2013 Nejb\u011b\u017en\u011bj\u0161\u00ed, nab\u00edz\u00ed dobrou v\u0161eobecnou ochranu<\/li>\n<li><strong>Zinek (Zn)<\/strong> \u2013 Cenov\u011b v\u00fdhodn\u00fd, ale m\u00e9n\u011b odoln\u00fd<\/li>\n<li><strong>Epoxid<\/strong> \u2013 Skv\u011bl\u00fd pro vysokou vlhkost nebo vystaven\u00ed slan\u00e9 vod\u011b<\/li>\n<li><strong>Zlato<\/strong> \u2013 Pou\u017e\u00edv\u00e1 se pro speci\u00e1ln\u00ed nebo l\u00e9ka\u0159sk\u00e9 aplikace<\/li>\n<\/ul>\n<p>V\u00fdb\u011br spr\u00e1vn\u00e9ho povlaku z\u00e1vis\u00ed na tom, kde a jak bude magnet pou\u017e\u00edv\u00e1n.<\/p>\n<h3>Jak spr\u00e1vn\u011b skladovat samarium-kobaltov\u00e9 a neodymov\u00e9 magnety<\/h3>\n<ul>\n<li>Uchov\u00e1vejte je mimo dosah vysok\u00e9 vlhkosti, abyste zabr\u00e1nili korozi (zejm\u00e9na u nepota\u017een\u00fdch nebo \u0161patn\u011b pota\u017een\u00fdch NdFeB)<\/li>\n<li>Skladujte na such\u00e9m m\u00edst\u011b o pokojov\u00e9 teplot\u011b, mimo elektroniku citlivou na magnetick\u00e9 pole a datov\u00e1 \u00falo\u017ei\u0161t\u011b<\/li>\n<li>Odd\u011blte je distan\u010dn\u00edmi vlo\u017ekami, abyste zabr\u00e1nili n\u00e1hodn\u00e9mu od\u0161t\u00edpnut\u00ed nebo prasknut\u00ed<\/li>\n<li>Pou\u017e\u00edvejte nemagnetick\u00e9 n\u00e1doby pro p\u0159epravu a skladov\u00e1n\u00ed, aby nedo\u0161lo ke zran\u011bn\u00edm nebo ru\u0161en\u00ed s jin\u00fdmi n\u00e1stroji<\/li>\n<\/ul>","protected":false},"excerpt":{"rendered":"<p>Porovnejte samarium cobalt a neodymium magnety z hlediska s\u00edly, odolnosti v\u016f\u010di teplot\u00e1m, ceny a najd\u011bte nejlep\u0161\u00ed vz\u00e1cn\u00e9 zemn\u00ed magnety pro va\u0161i aplikaci<\/p>","protected":false},"author":1,"featured_media":1867,"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-1866","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-uncategorized"],"jetpack_featured_media_url":"https:\/\/nbaem.com\/wp-content\/uploads\/2025\/08\/samarium-cobalt-vs-neodymium-magnets.jpg","_links":{"self":[{"href":"https:\/\/nbaem.com\/cs\/wp-json\/wp\/v2\/posts\/1866","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=1866"}],"version-history":[{"count":1,"href":"https:\/\/nbaem.com\/cs\/wp-json\/wp\/v2\/posts\/1866\/revisions"}],"predecessor-version":[{"id":1868,"href":"https:\/\/nbaem.com\/cs\/wp-json\/wp\/v2\/posts\/1866\/revisions\/1868"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/nbaem.com\/cs\/wp-json\/wp\/v2\/media\/1867"}],"wp:attachment":[{"href":"https:\/\/nbaem.com\/cs\/wp-json\/wp\/v2\/media?parent=1866"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/nbaem.com\/cs\/wp-json\/wp\/v2\/categories?post=1866"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/nbaem.com\/cs\/wp-json\/wp\/v2\/tags?post=1866"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}