{"id":1917,"date":"2025-08-14T08:05:30","date_gmt":"2025-08-14T08:05:30","guid":{"rendered":"https:\/\/nbaem.com\/?p=1917"},"modified":"2025-08-19T03:24:12","modified_gmt":"2025-08-19T03:24:12","slug":"hre-free-ndfeb-magnet","status":"publish","type":"post","link":"https:\/\/nbaem.com\/cs\/hre-free-ndfeb-magnet\/","title":{"rendered":"HRE voln\u00fd NdFeB magnet Vysoce v\u00fdkonn\u00fd a n\u00e1kladov\u011b efektivn\u00ed"},"content":{"rendered":"

Pokud sledujete vz\u00e1cn\u00e9 zemn\u00ed magnet<\/strong> odv\u011btv\u00ed, pravd\u011bpodobn\u011b jste sly\u0161eli o magnetech NdFeB bez HRE<\/strong> \u2014 a pro\u010d m\u011bn\u00ed trh.<\/p>\n

Tyto magnety p\u0159in\u00e1\u0161ej\u00ed neuv\u011b\u0159itelnou s\u00edlu neodymium-\u017eelezo-bor<\/strong> bez spol\u00e9h\u00e1n\u00ed na n\u00e1kladn\u00e9 a omezen\u00e9 t\u011b\u017ek\u00e9 vz\u00e1cn\u00e9 zemn\u00ed prvky<\/strong> jako dysprosium nebo terbium. To znamen\u00e1 ni\u017e\u0161\u00ed n\u00e1klady, lep\u0161\u00ed zabezpe\u010den\u00ed dod\u00e1vek a udr\u017eiteln\u011bj\u0161\u00ed v\u00fdrobn\u00ed stopu \u2014 v\u0161e bez kompromis\u016f v v\u00fdkonu pro mnoho aplikac\u00ed.<\/p>\n

V tomto pr\u016fvodci zjist\u00edte p\u0159esn\u011b, co magnetech NdFeB bez HRE<\/strong> jsou, jak se srovn\u00e1vaj\u00ed s tradi\u010dn\u00edmi t\u0159\u00eddami a pro\u010d se rychle st\u00e1vaj\u00ed obl\u00edbenou volbou pro odv\u011btv\u00ed od elektromotor\u016f EV<\/strong> to v\u011btrn\u00fdch turb\u00edn<\/strong>. Poj\u010fme na to.<\/p>\n

Co jsou HRE voln\u00e9 NdFeB magnety<\/h2>\n

HRE voln\u00e9 NdFeB magnety jsou neodymiov\u00e9 \u017eelezo-borov\u00e9 magnety vyroben\u00e9 bez t\u011b\u017ek\u00fdch vz\u00e1cn\u00fdch zemin (HRE)<\/strong> jako dysprosium (Dy) nebo terbium (Tb). V tradi\u010dn\u00edch vysoce v\u00fdkonn\u00fdch NdFeB magnetech jsou tyto prvky p\u0159id\u00e1v\u00e1ny ke zv\u00fd\u0161en\u00ed odolnosti v\u016f\u010di teplu a udr\u017een\u00ed magnetick\u00e9 s\u00edly p\u0159i vysok\u00fdch teplot\u00e1ch.<\/p>\n

Kl\u00ed\u010dov\u00fd rozd\u00edl je:<\/p>\n

    \n
  • Tradi\u010dn\u00ed NdFeB magnety<\/strong> \u2013 \u010casto obsahuj\u00ed Dy nebo Tb pro aplikace p\u0159i vysok\u00fdch teplot\u00e1ch.<\/li>\n
  • HRE voln\u00e9 NdFeB magnety<\/strong> \u2013 Pou\u017e\u00edvaj\u00ed pokro\u010dil\u00e9 zpracov\u00e1n\u00ed a slo\u017een\u00ed slitiny k dosa\u017een\u00ed podobn\u00e9ho v\u00fdkonu bez<\/strong> p\u0159id\u00e1n\u00ed t\u011b\u017ek\u00fdch vz\u00e1cn\u00fdch zemin.<\/li>\n<\/ul>\n

    Pro\u010d se vyhnout Dy a Tb<\/h3>\n
      \n
    • Vz\u00e1cn\u00e9 a n\u00e1kladn\u00e9<\/strong> \u2013 Glob\u00e1ln\u00ed z\u00e1soby jsou omezen\u00e9 a ceny jsou nest\u00e1l\u00e9.<\/li>\n
    • Geopolitick\u00e1 rizika<\/strong> \u2013 T\u011b\u017eba a zpracov\u00e1n\u00ed jsou soust\u0159ed\u011bny v n\u011bkolika zem\u00edch.<\/li>\n
    • Vliv na \u017eivotn\u00ed prost\u0159ed\u00ed<\/strong> \u2013 T\u011b\u017eba t\u011b\u017ek\u00fdch vz\u00e1cn\u00fdch zemin m\u00e1 vysok\u00e9 ekologick\u00e9 n\u00e1klady.<\/li>\n<\/ul>\n\n\n\n\n\n\n
      Prvek<\/th>\nRole v tradi\u010dn\u00edm NdFeB<\/th>\nD\u016fvod k vyh\u00fdb\u00e1n\u00ed se<\/th>\n<\/tr>\n<\/thead>\n
      Disprosium (Dy)<\/td>\nZlep\u0161uje koercivitu a v\u00fdkon p\u0159i vysok\u00fdch teplot\u00e1ch<\/td>\nVysok\u00e1 cena, vz\u00e1cn\u00e1 z\u00e1soba<\/td>\n<\/tr>\n
      Terbium (Tb)<\/td>\nZvy\u0161uje tepelnou stabilitu<\/td>\nJe\u0161t\u011b vz\u00e1cn\u011bj\u0161\u00ed ne\u017e Dy, n\u00e1kladn\u00e9<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

      Nam\u00edsto spol\u00e9h\u00e1n\u00ed na Dy nebo Tb, modern\u00ed magnety bez t\u011b\u017ek\u00fdch vz\u00e1cn\u00fdch zemin vyu\u017e\u00edvaj\u00ed in\u017een\u00fdrstv\u00ed zrnkov\u00fdch hranic<\/strong>, nano-krystalick\u00e9 struktury<\/strong>, a optimalizovan\u00e9 slo\u017een\u00ed slitin<\/strong> pro udr\u017een\u00ed v\u00fdkonu p\u0159i sni\u017eov\u00e1n\u00ed z\u00e1vislosti na kritick\u00fdch t\u011b\u017ek\u00fdch vz\u00e1cn\u00fdch zemin\u00e1ch.<\/p>\n

      Pro\u010d sm\u011b\u0159ovat k HRE voln\u00fdm NdFeB magnet\u016fm<\/h2>\n

      T\u011b\u017ek\u00e9 vz\u00e1cn\u00e9 zeminy jako dysprosium (Dy) a terbium (Tb) byly v\u017edy drah\u00e9 a omezen\u00e9 v z\u00e1sob\u00e1ch. Jejich ceny mohou prudce kol\u00edsat kv\u016fli popt\u00e1vce na trhu, obchodn\u00edm omezen\u00edm nebo probl\u00e9m\u016fm s t\u011b\u017ebou, co\u017e zt\u011b\u017euje dlouhodob\u00e9 pl\u00e1nov\u00e1n\u00ed n\u00e1klad\u016f pro v\u00fdrobce. Tato cenov\u00e1 volatilita nut\u00ed mnoho firem v \u010cesk\u00e9 republice hledat stabiln\u011bj\u0161\u00ed alternativy.<\/p>\n

      T\u011b\u017eba t\u011b\u017ek\u00fdch vz\u00e1cn\u00fdch zemin tak\u00e9 p\u0159in\u00e1\u0161\u00ed environment\u00e1ln\u00ed obavy a geopolitick\u00e1 rizika. Velk\u00e1 \u010d\u00e1st glob\u00e1ln\u00ed produkce je soust\u0159ed\u011bna v n\u011bkolika zem\u00edch, co\u017e m\u016f\u017ee v\u00e9st k naru\u0161en\u00ed dodavatelsk\u00fdch \u0159et\u011bzc\u016f p\u0159i zm\u011bn\u00e1ch politick\u00fdch nebo obchodn\u00edch podm\u00ednek. Tato nejistota je hlavn\u00edm probl\u00e9mem pro odv\u011btv\u00ed, kter\u00e1 spol\u00e9haj\u00ed na stabiln\u00ed zdroje magnet\u016f, jako jsou elektrick\u00e1 vozidla, v\u011btrn\u00e1 energie a elektronika.<\/p>\n

      Magnety NdFeB bez t\u011b\u017ek\u00fdch vz\u00e1cn\u00fdch zemin pom\u00e1haj\u00ed sni\u017eovat tato rizika. Odstran\u011bn\u00edm Dy a Tb mohou v\u00fdrobci udr\u017eet n\u00e1klady p\u0159edv\u00eddateln\u011bj\u0161\u00ed a dodavatelsk\u00e9 \u0159et\u011bzce odoln\u011bj\u0161\u00ed. Jsou tak\u00e9 vhodn\u011bj\u0161\u00ed pro c\u00edle udr\u017eitelnosti, sni\u017euj\u00ed dopad na \u017eivotn\u00ed prost\u0159ed\u00ed a p\u0159itom st\u00e1le poskytuj\u00ed siln\u00fd magnetick\u00fd v\u00fdkon.<\/p>\n

      Pro firmy v \u010cesk\u00e9 republice znamen\u00e1 p\u0159echod na magnety bez t\u011b\u017ek\u00fdch vz\u00e1cn\u00fdch zemin:<\/p>\n

        \n
      • Men\u0161\u00ed expozici mezin\u00e1rodn\u00edm naru\u0161en\u00edm dod\u00e1vek<\/li>\n
      • Lep\u0161\u00ed p\u0159edv\u00eddatelnost cenov\u00fdch struktur<\/li>\n
      • Sn\u00ed\u017een\u00ed ekologick\u00e9 stopy<\/li>\n
      • Snadn\u011bj\u0161\u00ed spln\u011bn\u00ed po\u017eadavk\u016f na udr\u017eitelnost a dom\u00e1c\u00ed zdroje<\/li>\n<\/ul>\n

        Tato zm\u011bna nen\u00ed jen o \u00faspor\u00e1ch n\u00e1klad\u016f \u2013 jde o dlouhodobou spolehlivost a bezpe\u010dnost dod\u00e1vek v odv\u011btv\u00edch, kde je v\u00fdpadek drah\u00fd.<\/p>\n

        Technick\u00e9 v\u00fdzvy HRE voln\u00fdch NdFeB magnet\u016f<\/h2>\n

        T\u011b\u017ek\u00e9 vz\u00e1cn\u00e9 zeminy jako dysprosium (Dy) a terbium (Tb) jsou b\u011b\u017en\u011b p\u0159id\u00e1v\u00e1ny do magnet\u016f NdFeB, aby udr\u017eely magnetickou s\u00edlu p\u0159i vy\u0161\u0161\u00edch teplot\u00e1ch a zv\u00fd\u0161ily koercivitu (odolnost proti demagnetizaci). Jejich odstran\u011bn\u00ed sni\u017euje n\u00e1klady a riziko dod\u00e1vek, ale tak\u00e9 zt\u011b\u017euje dosa\u017een\u00ed stejn\u00fdch vysokoteplotn\u00edch v\u00fdkonov\u00fdch \u00farovn\u00ed.<\/p>\n

        Pro\u010d jsou Dy a Tb d\u016fle\u017eit\u00e9<\/h3>\n
          \n
        • Role Dy\/Tb:<\/strong> Zlep\u0161en\u00ed stability p\u0159i vysok\u00fdch teplot\u00e1ch a koercivity.<\/li>\n
        • Bez nich:<\/strong> Magnety mohou ztratit s\u00edlu rychleji p\u0159i teple, zejm\u00e9na nad 150\u00b0C.<\/li>\n<\/ul>\n

          Dopady v\u00fdkonu na n\u00e1vrhy bez HRE<\/h3>\n
            \n
          • Ni\u017e\u0161\u00ed maxim\u00e1ln\u00ed provozn\u00ed teploty ve srovn\u00e1n\u00ed s HRE t\u0159\u00eddami.<\/li>\n
          • M\u016f\u017ee vy\u017eadovat lep\u0161\u00ed chlazen\u00ed nebo zm\u011bny v designu motor\u016f.<\/li>\n
          • M\u00edrn\u00fd pokles koercivity, pokud nejsou provedeny \u017e\u00e1dn\u00e9 dal\u0161\u00ed vylep\u0161en\u00ed.<\/li>\n<\/ul>\n

            Technologick\u00e9 pokroky, kter\u00e9 to umo\u017enily<\/h3>\n

            V\u00fdrobci nyn\u00ed pou\u017e\u00edvaj\u00ed metody k obnoven\u00ed ztracen\u00e9ho v\u00fdkonu bez Dy\/Tb:<\/p>\n

              \n
            • In\u017een\u00fdrstv\u00ed hranic zrn<\/strong> \u2013 \u0159\u00edd\u00ed mikrostrukturu pro vy\u0161\u0161\u00ed koercivitu.<\/li>\n
            • Pokro\u010dil\u00e9 slitinov\u00e9 \u00fapravy<\/strong> \u2013 upravuj\u00ed z\u00e1kladn\u00ed slo\u017een\u00ed pro lep\u0161\u00ed tepeln\u00e9 chov\u00e1n\u00ed.<\/li>\n
            • Ochrann\u00fdmi povlaky<\/strong> \u2013 zlep\u0161uj\u00ed odolnost proti korozi a stabilitu v \u010dase.<\/li>\n<\/ul>\n

              V\u00fdzkum a v\u00fdvoj NBAEM<\/h3>\n

              NBAEM vyvinula \u0159e\u0161en\u00ed NdFeB bez HRE, kter\u00e1 uzav\u00edraj\u00ed mezeru s magnety Dy\/Tb t\u00edm, \u017ee:<\/p>\n

                \n
              • Vlastn\u00ed slitiny pro vy\u0161\u0161\u00ed vnit\u0159n\u00ed koercivitu<\/li>\n
              • Technologie difuze na hranic\u00edch zrn na nano\u00farovni<\/li>\n
              • Vysoce v\u00fdkonn\u00e9 povlaky pro drsn\u00e9 prost\u0159ed\u00ed<\/li>\n
              • Konzistentn\u00ed testov\u00e1n\u00ed podle pr\u016fmyslov\u00fdch standard\u016f \u010cesk\u00e9 republiky<\/li>\n<\/ul>\n\n\n\n\n\n\n\n\n\n
                Vlastnost<\/th>\nTradi\u010dn\u00ed NdFeB s Dy\/Tb<\/th>\nNdFeB bez HRE (Pokro\u010dil\u00fd NBAEM)<\/th>\n<\/tr>\n<\/thead>\n
                Koercivita<\/td>\nVelmi vysok\u00e1<\/td>\nVysok\u00e9 a\u017e velmi vysok\u00e9<\/td>\n<\/tr>\n
                Maxim\u00e1ln\u00ed provozn\u00ed teplota<\/td>\n150\u2013200\u00b0C<\/td>\n120\u2013180\u00b0C<\/td>\n<\/tr>\n
                Odolnost proti korozi<\/td>\nDobr\u00e1<\/td>\nDobr\u00e9 a\u017e vynikaj\u00edc\u00ed<\/td>\n<\/tr>\n
                Stabilita n\u00e1klad\u016f<\/td>\nN\u00edzk\u00e1<\/td>\nVysok\u00e1<\/td>\n<\/tr>\n
                Riziko dod\u00e1vky<\/td>\nVysok\u00e1<\/td>\nN\u00edzk\u00e1<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

                Porovn\u00e1n\u00ed v\u00fdkonu HRE voln\u00fdch a tradi\u010dn\u00edch NdFeB magnet\u016f<\/h2>\n

                P\u0159i srovn\u00e1n\u00ed HRE voln\u00e9 NdFeB magnety<\/strong> ve srovn\u00e1n\u00ed s tradi\u010dn\u00edmi t\u0159\u00eddami obsahuj\u00edc\u00edmi dysprosium (Dy) nebo terbi\u00ed (Tb), hlavn\u00ed rozd\u00edly se projevuj\u00ed v pevnosti, odolnosti v\u016f\u010di teplu a dlouhodob\u00e9 \u017eivotnosti. Zde je rychl\u00fd p\u0159ehled:<\/p>\n

                Magnetick\u00e9 vlastnosti<\/h3>\n
                  \n
                • Koercivita (HcJ):<\/strong> Tradi\u010dn\u00ed magnety s t\u011b\u017ek\u00fdmi vz\u00e1cn\u00fdmi zeminami maj\u00ed obvykle vy\u0161\u0161\u00ed koercivitu, zejm\u00e9na p\u0159i zv\u00fd\u0161en\u00fdch teplot\u00e1ch. Nov\u00e9 n\u00e1vrhy bez HRE nyn\u00ed tento rozd\u00edl v\u00fdrazn\u011b sni\u017euj\u00ed pomoc\u00ed in\u017een\u00fdrstv\u00ed hranic zrn a pokro\u010dil\u00e9ho slitin\u00e1\u0159stv\u00ed.<\/li>\n
                • Remanence (Br):<\/strong> Oba typy mohou nab\u00edzet podobnou remanenci, co\u017e znamen\u00e1, \u017ee zachovan\u00e1 magnetick\u00e1 s\u00edla p\u0159i nulov\u00e9m vn\u011bj\u0161\u00edm poli je srovnateln\u00e1.<\/li>\n
                • Maxim\u00e1ln\u00ed energetick\u00fd produkt (BHmax):<\/strong> Velmi bl\u00edzko mezi sebou, zejm\u00e9na p\u0159i pokojov\u00e9 teplot\u011b.<\/li>\n<\/ul>\n

                  Tepeln\u00e1 stabilita<\/h3>\n
                    \n
                  • Rozsah provozn\u00edch teplot:<\/strong> T\u011b\u017ek\u00e9 vz\u00e1cn\u00e9 zeminy zlep\u0161uj\u00ed stabilitu nad 150\u00b0C, tak\u017ee tradi\u010dn\u00ed magnety st\u00e1le l\u00e9pe funguj\u00ed p\u0159i extr\u00e9mn\u00edm teple. Nicm\u00e9n\u011b, pokro\u010dil\u00e9 t\u0159\u00eddy bez HRE nyn\u00ed zvl\u00e1daj\u00ed rozmez\u00ed 120\u2013150\u00b0C s minim\u00e1ln\u00ed ztr\u00e1tou v\u00fdkonu, co\u017e vyhovuje pot\u0159eb\u00e1m EV a v\u011btrn\u00fdch turb\u00edn v mnoha p\u0159\u00edpadech.<\/li>\n<\/ul>\n

                    Odolnost a odolnost proti korozi<\/h3>\n
                      \n
                    • Ochrana proti korozi:<\/strong> Podobn\u00e1 p\u0159i pou\u017eit\u00ed ochrann\u00fdch povlak\u016f. NBAEM pou\u017e\u00edv\u00e1 v\u00edcevrstv\u00e9 povlaky, kter\u00e9 odpov\u00eddaj\u00ed nebo p\u0159ekon\u00e1vaj\u00ed b\u011b\u017enou odolnost.<\/li>\n<\/ul>\n

                      Typov\u00e9 porovn\u00e1n\u00ed parametr\u016f<\/h3>\n\n\n\n\n\n\n\n\n\n\n
                      Vlastnost<\/th>\nMagnety NdFeB bez HRE<\/th>\nTradi\u010dn\u00ed NdFeB s Dy\/Tb<\/th>\n<\/tr>\n<\/thead>\n
                      Koercivita (HcJ @ RT)<\/td>\nVysok\u00e1<\/td>\nVelmi vysok\u00e1<\/td>\n<\/tr>\n
                      Remanence (Br)<\/td>\nVysok\u00e1<\/td>\nVysok\u00e1<\/td>\n<\/tr>\n
                      Maxim\u00e1ln\u00ed energetick\u00fd produkt (BHmax)<\/td>\n35\u201345 MGOe<\/td>\n35\u201348 MGOe<\/td>\n<\/tr>\n
                      Maxim\u00e1ln\u00ed provozn\u00ed teplota<\/td>\n120\u2013150\u00b0C<\/td>\n150\u2013200\u00b0C<\/td>\n<\/tr>\n
                      Odolnost proti korozi<\/td>\nVysok\u00e9 s povrchem<\/td>\nVysok\u00e9 s povrchem<\/td>\n<\/tr>\n
                      Stabilita n\u00e1klad\u016f<\/td>\nVy\u0161\u0161\u00ed<\/td>\nNi\u017e\u0161\u00ed kv\u016fli v\u00fdkyv\u016fm cen HRE<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

                      Tento profil v\u00fdkonu ukazuje pro\u010d t\u011b\u017ek\u00e9 magnety bez vz\u00e1cn\u00fdch zemin<\/strong> se staly silnou volbou pro v\u00fdrobce v \u010cesk\u00e9 republice, kte\u0159\u00ed hledaj\u00ed cenovou stabilitu bez v\u00fdrazn\u00e9ho sn\u00ed\u017een\u00ed v\u00fdkonu.<\/p>\n

                      Pou\u017eit\u00ed HRE voln\u00fdch NdFeB magnet\u016f<\/h2>\n

                      Magnety bez vz\u00e1cn\u00fdch zemin NdFeB jsou st\u00e1le v\u00edce vyu\u017e\u00edv\u00e1ny v pr\u016fmyslu po cel\u00e9 \u010cesk\u00e9 republice, proto\u017ee poskytuj\u00ed siln\u00fd v\u00fdkon bez z\u00e1vislosti na drah\u00fdch t\u011b\u017ek\u00fdch vz\u00e1cn\u00fdch zemin\u00e1ch, jako je dysprosium nebo terbium. Zde vynikaj\u00ed:<\/p>\n

                      Motory a gener\u00e1tory elektrick\u00fdch vozidel<\/h3>\n

                      Tyto magnety nab\u00edzej\u00ed vysokou hustotu v\u00fdkonu a pom\u00e1haj\u00ed elektromotor\u016fm v elektromobilech z\u016fstat kompaktn\u00ed a efektivn\u00ed. In\u017een\u00fd\u0159i je pou\u017e\u00edvaj\u00ed ke sn\u00ed\u017een\u00ed hmotnosti p\u0159i zachov\u00e1n\u00ed siln\u00e9ho to\u010div\u00e9ho momentu \u2014 co\u017e je nezbytn\u00e9 pro dojezd a zrychlen\u00ed.<\/p>\n

                      Gener\u00e1tory v\u011btrn\u00fdch turb\u00edn<\/h3>\n

                      V oblasti v\u011btrn\u00e9 energie je spolehlivost kl\u00ed\u010dov\u00e1. Magnety bez vz\u00e1cn\u00fdch zemin udr\u017euj\u00ed stabiln\u00ed v\u00fdkon a sni\u017euj\u00ed z\u00e1vislost na nestabiln\u00edch dod\u00e1vk\u00e1ch t\u011b\u017ek\u00fdch vz\u00e1cn\u00fdch zemin, co\u017e je ide\u00e1ln\u00ed pro pevninsk\u00e9 i mo\u0159sk\u00e9 turb\u00edny.<\/p>\n

                      Spot\u0159ebn\u00ed elektroniku<\/h3>\n

                      Od reproduktor\u016f a sluch\u00e1tek po drony a hern\u00ed za\u0159\u00edzen\u00ed, kompaktn\u00ed magnety s vysok\u00fdm v\u00fdkonem \u010din\u00ed elektroniku leh\u010d\u00ed, v\u00fdkonn\u011bj\u0161\u00ed a energeticky \u00fasporn\u011bj\u0161\u00ed.<\/p>\n

                      L\u00e9ka\u0159sk\u00e9 p\u0159\u00edstroje a p\u0159esn\u00e9 n\u00e1stroje<\/h3>\n

                      Pou\u017e\u00edvaj\u00ed se v MRI p\u0159\u00edstroj\u00edch, chirurgick\u00fdch n\u00e1stroj\u00edch a laboratorn\u00edm vybaven\u00ed, kde je kl\u00ed\u010dov\u00e1 p\u0159esn\u00e1 magnetick\u00e1 kontrola a spolehlivost, a kde je stabiln\u00ed dod\u00e1vka kritick\u00e1 pro zdravotnick\u00e9 operace.<\/p>\n

                      Dal\u0161\u00ed vznikaj\u00edc\u00ed sektory<\/h3>\n

                      Robotika, pr\u016fmyslov\u00e1 automatizace a letectv\u00ed rychle p\u0159ij\u00edmaj\u00ed magnety bez vz\u00e1cn\u00fdch zemin, aby mohly \u0159\u00eddit dlouhodob\u00e9 n\u00e1klady, zajistit st\u00e1lou dostupnost a splnit p\u0159\u00edsn\u011bj\u0161\u00ed udr\u017eitelnostn\u00ed normy.<\/p>\n

                      Nab\u00eddka produkt\u016f NBAEM v oblasti HRE voln\u00fdch NdFeB magnet\u016f<\/h2>\n

                      V NBAEM jsme vyvinuli kompletn\u00ed \u0159adu HRE voln\u00e9 NdFeB magnety<\/strong> ur\u010denou z\u00e1kazn\u00edk\u016fm, kte\u0159\u00ed cht\u011bj\u00ed vysok\u00fd v\u00fdkon bez z\u00e1vislosti na t\u011b\u017ek\u00fdch vz\u00e1cn\u00fdch zemin\u00e1ch, jako je dysprosium (Dy) nebo terbium (Tb). Nav\u00edc jsou exportn\u00ed postupy pro produkty bez vz\u00e1cn\u00fdch zemin p\u0159\u00e1tel\u0161t\u011bj\u0161\u00ed a pohodln\u011bj\u0161\u00ed, co\u017e v\u00e1m u\u0161et\u0159\u00ed je\u0161t\u011b v\u00edce \u010dasu<\/strong>.O<\/span><\/span>ur<\/span> nab\u00eddka pokr\u00fdv\u00e1 r\u016fzn\u00e9 t\u0159\u00eddy, tvary a povlaky, aby vyhov\u011bla v\u0161em od vysoce v\u00fdkonn\u00fdch motor\u016f po kompaktn\u00ed spot\u0159ebn\u00ed elektroniku. Pokud pot\u0159ebujete na m\u00edru upravenou velikost, magnetickou s\u00edlu nebo typ povlaku, nab\u00edz\u00edme zak\u00e1zkovou v\u00fdrobu podle p\u0159esn\u00fdch po\u017eadavk\u016f projektu.<\/p>\n

                      Rozsah produkt\u016f a p\u0159izp\u016fsoben\u00ed<\/h3>\n
                        \n
                      • Standardn\u00ed magnety s vysokou koercivitou, t\u0159\u00eddy bez vz\u00e1cn\u00fdch zemin pro pr\u016fmyslov\u00e9 a komer\u010dn\u00ed pou\u017eit\u00ed<\/li>\n
                      • Tvary: bloky, disky, kruhy, segmenty a zak\u00e1zkov\u00e9 formy<\/li>\n
                      • Povlaky: Ni-Cu-Ni, epoxid, zinek nebo Parylene podle po\u017eadavk\u016f na odolnost proti korozi a opot\u0159eben\u00ed<\/li>\n
                      • Mo\u017enosti magnetick\u00e9ho v\u00fdkonu p\u0159izp\u016fsoben\u00e9 aplikac\u00edm s n\u00edzkou a\u017e vysokou teplotou<\/li>\n<\/ul>\n

                        Kvalita a testov\u00e1n\u00ed<\/h3>\n

                        Ka\u017ed\u00fd magnet proch\u00e1z\u00ed p\u0159\u00edsnou kontrolou kvality a testov\u00e1n\u00edm v\u00fdkonu<\/strong> v souladu s mezin\u00e1rodn\u00edmi normami. Pou\u017e\u00edv\u00e1me pokro\u010dil\u00e9 m\u011b\u0159ic\u00ed n\u00e1stroje k zaji\u0161t\u011bn\u00ed:<\/p>\n

                          \n
                        • P\u0159esn\u00fdch rozm\u011br\u016f a toleranc\u00ed<\/li>\n
                        • Konzistentn\u00ed magnetick\u00e1 s\u00edla<\/li>\n
                        • Spolehliv\u00e9 teplotn\u00ed odolnosti<\/li>\n
                        • Dlouhodob\u00e9 \u017eivotnosti v re\u00e1ln\u00fdch provozn\u00edch podm\u00ednk\u00e1ch<\/li>\n<\/ul>\n

                          Ov\u011b\u0159en\u00e9 v\u00fdsledky<\/h3>\n

                          Na\u0161e magnety NdFeB bez t\u011b\u017ek\u00fdch vz\u00e1cn\u00fdch zemin ji\u017e funguj\u00ed v pohonn\u00fdch motorech elektrick\u00fdch vozidel, v\u011btrn\u00fdch turb\u00edn\u00e1ch a robotick\u00fdch za\u0159\u00edzen\u00edch na trhu v \u010cesk\u00e9 republice. Z\u00e1kazn\u00edci hl\u00e1s\u00ed:<\/p>\n

                            \n
                          • Stabiln\u00ed dod\u00e1vky a \u017e\u00e1dn\u00e9 zpo\u017ed\u011bn\u00ed navzdory glob\u00e1ln\u00edm nedostatk\u016fm vz\u00e1cn\u00fdch zemin<\/li>\n
                          • Ni\u017e\u0161\u00ed n\u00e1klady na materi\u00e1l ve srovn\u00e1n\u00ed s t\u0159\u00eddami Dy\/Tb p\u0159i zachov\u00e1n\u00ed po\u017eadovan\u00e9ho v\u00fdkonu<\/li>\n
                          • Pozitivn\u00ed v\u00fdsledky v dlouhodob\u00fdch testech odolnosti proti soln\u00e9mu sprayi a vlhkosti<\/li>\n<\/ul>\n

                            Dod\u00e1vky a podpora<\/h3>\n

                            Udr\u017eujeme velkou v\u00fdrobn\u00ed kapacitu a z\u00e1sobn\u00edky, aby bylo zaji\u0161t\u011bno spolehliv\u00e9 dod\u00e1vky<\/strong>, p\u0159i\u010dem\u017e exportn\u00ed zku\u0161enosti do \u010cesk\u00e9 republiky zaji\u0161\u0165uj\u00ed plynul\u00fd celn\u00ed odbavov\u00e1n\u00ed. N\u00e1\u0161 technick\u00fd t\u00fdm podporuje v\u00fdb\u011br produktu, technick\u00e9 p\u0159izp\u016fsoben\u00ed a ov\u011b\u0159en\u00ed v\u00fdkonu p\u0159ed a po dod\u00e1n\u00ed.<\/p>\n

                            Jak z\u00edskat vzorky nebo poradit<\/h3>\n
                              \n
                            • Kontaktujte n\u00e1\u0161 prodejn\u00ed t\u00fdm s va\u0161imi specifikacemi a v\u00fdkresy<\/li>\n
                            • Obdr\u017e\u00edte technick\u00e9 doporu\u010den\u00ed a nab\u00eddku<\/li>\n
                            • Po\u017e\u00e1dejte o bezplatn\u00e9 nebo zlevn\u011bn\u00e9 vzorky k testov\u00e1n\u00ed<\/li>\n
                            • Z\u00edskejte technickou podporu pro optimalizaci n\u00e1vrhu<\/li>\n<\/ul>\n

                              Pokud hled\u00e1te stabiln\u00ed, n\u00e1kladov\u011b efektivn\u00ed alternativu k tradi\u010dn\u00edm magnet\u016fm NdFeB s t\u011b\u017ek\u00fdmi vz\u00e1cn\u00fdmi zeminami, n\u00e1\u0161 magnet bez t\u011b\u017ek\u00fdch vz\u00e1cn\u00fdch zemin<\/strong> \u0159e\u0161en\u00ed jsou navr\u017eena tak, aby dod\u00e1vala bez kompromis\u016f.<\/p>\n

                              Budouc\u00ed trendy a v\u00fdhled odv\u011btv\u00ed<\/h2>\n

                              V\u00fdzkum a v\u00fdvoj v oblasti magnetick\u00fdch materi\u00e1l\u016f vz\u00e1cn\u00fdch zemin se rychle posouv\u00e1 kup\u0159edu, zejm\u00e9na pokud jde o sni\u017eov\u00e1n\u00ed nebo \u00fapln\u00e9 odstran\u011bn\u00ed t\u011b\u017ek\u00fdch vz\u00e1cn\u00fdch zemin, jako je dysprosium (Dy) a terbium (Tb). Velk\u00fd tlak je kladen na udr\u017een\u00ed vysok\u00e9 koercivity a teplotn\u00ed stability bez rizik dod\u00e1vek a vysok\u00fdch n\u00e1klad\u016f spojen\u00fdch s t\u011bmito prvky.<\/p>\n

                              V nadch\u00e1zej\u00edc\u00edch letech lze o\u010dek\u00e1vat:<\/p>\n

                                \n
                              • Lep\u0161\u00ed materi\u00e1lov\u00e9 in\u017een\u00fdrstv\u00ed<\/strong> \u2013 Nov\u00e9 slitiny, jemn\u00e1 kontrola zrna a pokro\u010dil\u00e9 metody povrchov\u00fdch \u00faprav pro zv\u00fd\u0161en\u00ed v\u00fdkonu bez HRE.<\/li>\n
                              • Vy\u0161\u0161\u00ed energetick\u00e1 \u00fa\u010dinnost<\/strong> \u2013 Siln\u011bj\u0161\u00ed magnety, kter\u00e9 chladn\u011bji pracuj\u00ed a vydr\u017e\u00ed v drsn\u011bj\u0161\u00edch podm\u00ednk\u00e1ch, \u010d\u00edm\u017e se roz\u0161i\u0159uje jejich pou\u017eit\u00ed.<\/li>\n
                              • V\u00edce recykla\u010dn\u00ed integrace<\/strong> \u2013 Z\u00edsk\u00e1v\u00e1n\u00ed neodymia z pou\u017eit\u00fdch magnet\u016f ke sn\u00ed\u017een\u00ed popt\u00e1vky po surovin\u00e1ch.<\/li>\n
                              • \u0160ir\u0161\u00ed vyu\u017eit\u00ed v elektromobilech a v\u011btrn\u00e9 energii<\/strong> \u2013 Poh\u00e1n\u011bno pob\u00eddkami na \u010distou energii a rostouc\u00ed elektrifikac\u00ed.<\/li>\n<\/ul>\n

                                Popt\u00e1vka na trhu po magnetech NdFeB bez t\u011b\u017ek\u00fdch vz\u00e1cn\u00fdch zemin m\u00e1 v p\u0159\u00ed\u0161t\u00edm desetilet\u00ed rychle r\u016fst v \u010cesk\u00e9 republice. V\u00fdrobci elektromobil\u016f, spole\u010dnosti zab\u00fdvaj\u00edc\u00ed se obnovitelnou energi\u00ed a v\u00fdrobci elektroniky hledaj\u00ed stabilitu dodavatelsk\u00e9ho \u0159et\u011bzce a kontrolu n\u00e1klad\u016f, co\u017e dokonale odpov\u00edd\u00e1 magnet\u016fm bez HRE.<\/p>\n

                                NBAEM intenzivn\u011b investuje do tohoto posunu. N\u00e1\u0161 t\u00fdm spolupracuje s glob\u00e1ln\u00edmi partnery na roz\u0161\u00ed\u0159en\u00ed v\u00fdroby, zlep\u0161en\u00ed in\u017een\u00fdringu zrn a sn\u00ed\u017een\u00ed n\u00e1klad\u016f, aby z\u00e1kazn\u00edci v \u010cesk\u00e9 republice mohli spol\u00e9hat na stabiln\u00ed a udr\u017eitelnou dod\u00e1vku. Vid\u00edme, \u017ee \u0159e\u0161en\u00ed bez HRE se st\u00e1vaj\u00ed normou, nikoli v\u00fdjimkou v pr\u016fmyslu magnet\u016f.<\/p>\n

                                \u010casto kladen\u00e9 ot\u00e1zky o HRE voln\u00fdch NdFeB magnetech<\/h2>\n

                                Co p\u0159esn\u011b znamen\u00e1 HRE voln\u00fd<\/h3>\n

                                HRE free znamen\u00e1, \u017ee magnet je vyroben bez t\u011b\u017ek\u00fdch vz\u00e1cn\u00fdch zemin, jako je dysprosium (Dy) nebo terbium (Tb). Tyto prvky se obvykle p\u0159id\u00e1vaj\u00ed ke zv\u00fd\u0161en\u00ed odolnosti v\u016f\u010di teplu, ale jsou drah\u00e9 a maj\u00ed rizika dod\u00e1vek. M\u00edsto toho verze bez HRE pou\u017e\u00edvaj\u00ed jin\u00e9 konstruk\u010dn\u00ed metody k dosa\u017een\u00ed siln\u00e9ho v\u00fdkonu bez t\u011b\u017ek\u00fdch vz\u00e1cn\u00fdch zemin.<\/p>\n

                                Jak tyto magnety funguj\u00ed p\u0159i vysok\u00fdch teplot\u00e1ch<\/h3>\n

                                Tradi\u010dn\u00ed magnety Dy nebo Tb dob\u0159e zvl\u00e1daj\u00ed teplo. Magnety NdFeB bez HRE nyn\u00ed dosahuj\u00ed podobn\u00e9 stability pro mnoho pou\u017eit\u00ed d\u00edky pokro\u010dil\u00fdm slitin\u00e1m a v\u00fdrobn\u00edm technik\u00e1m. U v\u011bt\u0161iny motor\u016f, elektromobil\u016f nebo pr\u016fmyslov\u00fdch aplikac\u00ed pod 150\u00b0C jsou rozd\u00edly ve v\u00fdkonu minim\u00e1ln\u00ed. Pro extr\u00e9mn\u00ed teplo m\u016f\u017eeme doporu\u010dit speci\u00e1ln\u00ed vylep\u0161en\u00e9 t\u0159\u00eddy.<\/p>\n

                                Jsou magnety bez HRE levn\u011bj\u0161\u00ed<\/h3>\n

                                Ano. Bez Dy nebo Tb je cena m\u00e9n\u011b ovlivn\u011bna v\u00fdkyvy cen vz\u00e1cn\u00fdch zemin. To znamen\u00e1 stabiln\u011bj\u0161\u00ed ceny v \u010dase, co\u017e je \u010din\u00ed cenov\u011b dostupn\u011bj\u0161\u00edmi pro velkoplo\u0161nou v\u00fdrobu, nap\u0159\u00edklad pohony elektromobil\u016f nebo gener\u00e1torov\u00e9 syst\u00e9my.<\/p>\n

                                Lze tyto magnety recyklovat<\/h3>\n

                                Ano. Magnety NdFeB bez HRE lze recyklovat stejn\u011b jako standardn\u00ed materi\u00e1ly NdFeB. Lze je zpracovat k z\u00edsk\u00e1n\u00ed neodymia a dal\u0161\u00edch prvk\u016f k op\u011btovn\u00e9mu pou\u017eit\u00ed, co\u017e podporuje ekologi\u010dt\u011bj\u0161\u00ed v\u00fdrobu.<\/p>\n

                                Dodac\u00ed lh\u016fty a minim\u00e1ln\u00ed objednac\u00ed mno\u017estv\u00ed od NBAEM<\/h3>\n

                                NBAEM nab\u00edz\u00ed flexibiln\u00ed minim\u00e1ln\u00ed objednac\u00ed mno\u017estv\u00ed (MOQ) v z\u00e1vislosti na t\u0159\u00edd\u011b a velikosti magnetu. Standardn\u00ed t\u0159\u00eddy jsou \u010dasto p\u0159ipraveny k odesl\u00e1n\u00ed do 2\u20134 t\u00fddn\u016f. U zak\u00e1zkov\u00fdch n\u00e1vrh\u016f nebo speci\u00e1ln\u00edch povrchov\u00fdch \u00faprav m\u016f\u017ee doba dod\u00e1n\u00ed m\u00edrn\u011b prodlou\u017eit. Vzorky jsou k dispozici na po\u017e\u00e1d\u00e1n\u00ed pro testov\u00e1n\u00ed p\u0159ed plnou v\u00fdrobou.<\/p>","protected":false},"excerpt":{"rendered":"

                                Vysoce v\u00fdkonn\u00fd HRE voln\u00fd NdFeB magnet s pevnou magnetickou silou, n\u00e1kladovou efektivitou a ekologick\u00fdm designem pro pokro\u010dil\u00e9 pr\u016fmyslov\u00e9 aplikace<\/p>","protected":false},"author":1,"featured_media":1964,"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-1917","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\/heavy-rare-earth-free-NdFeB-magnet.jpg","_links":{"self":[{"href":"https:\/\/nbaem.com\/cs\/wp-json\/wp\/v2\/posts\/1917","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=1917"}],"version-history":[{"count":1,"href":"https:\/\/nbaem.com\/cs\/wp-json\/wp\/v2\/posts\/1917\/revisions"}],"predecessor-version":[{"id":1963,"href":"https:\/\/nbaem.com\/cs\/wp-json\/wp\/v2\/posts\/1917\/revisions\/1963"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/nbaem.com\/cs\/wp-json\/wp\/v2\/media\/1964"}],"wp:attachment":[{"href":"https:\/\/nbaem.com\/cs\/wp-json\/wp\/v2\/media?parent=1917"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/nbaem.com\/cs\/wp-json\/wp\/v2\/categories?post=1917"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/nbaem.com\/cs\/wp-json\/wp\/v2\/tags?post=1917"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}