{"id":3941,"date":"2026-07-24T07:57:47","date_gmt":"2026-07-24T07:57:47","guid":{"rendered":"https:\/\/nbaem.com\/?p=3941"},"modified":"2026-07-19T06:06:21","modified_gmt":"2026-07-19T06:06:21","slug":"principle-of-halbach-array","status":"publish","type":"post","link":"https:\/\/nbaem.com\/cs\/principle-of-halbach-array\/","title":{"rendered":"Princip Halbachova pole vysv\u011btlen"},"content":{"rendered":"<h2>Co je Halbachova pole?<\/h2>\n<p>Pokud jste n\u011bkdy hr\u00e1li s b\u011b\u017en\u00fdmi trval\u00fdmi magnety, v\u00edte, \u017ee maj\u00ed severn\u00ed p\u00f3l na jedn\u00e9 stran\u011b a ji\u017en\u00ed p\u00f3l na druh\u00e9. Magnetick\u00e9 pole vyza\u0159uje rovnom\u011brn\u011b z obou stran. A <strong>Halbachova pole<\/strong> zcela obrac\u00ed tento sc\u00e9n\u00e1\u0159.<\/p>\n<p>T t\u00edm, \u017ee uspo\u0159\u00e1d\u00e1me samostatn\u00e9 segmenty trval\u00fdch magnet\u016f do specifick\u00e9ho, rota\u010dn\u00edho vzoru, m\u016f\u017eeme odklonit magnetick\u00e9 pole. V\u00fdsledek? Magnetick\u00e1 tokov\u00e1 hustota se na jedn\u00e9 stran\u011b t\u00e9m\u011b\u0159 \u00fapln\u011b vyru\u0161\u00ed, zat\u00edmco na druh\u00e9 stran\u011b zes\u00edl\u00ed dvakr\u00e1t. V odv\u011btv\u00ed tomu \u0159\u00edk\u00e1me <strong>jednostrann\u00fd magnet<\/strong>. Umo\u017e\u0148uje n\u00e1m sm\u011brovat intenzivn\u00ed magnetickou s\u00edlu p\u0159esn\u011b tam, kde je pot\u0159eba, bez p\u0159id\u00e1n\u00ed dal\u0161\u00ed hmoty.<\/p>\n<hr \/>\n<h3>Jak se Halbachovy pole li\u0161\u00ed od standardn\u00edch magnet\u016f<\/h3>\n<p>Standardn\u00ed soubory trval\u00fdch magnet\u016f pl\u00fdtvaj\u00ed hodn\u011b energie, proto\u017ee jejich magnetick\u00e1 pole kon\u010d\u00ed v r\u016fzn\u00fdch sm\u011brech. Aby se to napravilo, tradi\u010dn\u00ed n\u00e1vrhy vy\u017eaduj\u00ed t\u011b\u017ek\u00e9 \u017eelezn\u00e9 zadn\u00ed desky, aby odvedly voln\u00e1 pole.<\/p>\n<p>Na\u0161e n\u00e1vrhy Halbachov\u00fdch pol\u00ed \u0159e\u0161\u00ed tento probl\u00e9m prost\u0159ednictv\u00edm jedine\u010dn\u00e9 rotace orientace magnetu.<\/p>\n<table>\n<thead>\n<tr>\n<th style=\"text-align: left;\">Vlastnost<\/th>\n<th style=\"text-align: left;\">Standardn\u00ed trval\u00e9 magnets<\/th>\n<th style=\"text-align: left;\">Mont\u00e1\u017e Halbachova pole<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td style=\"text-align: left;\"><strong>Rozlo\u017een\u00ed pole<\/strong><\/td>\n<td style=\"text-align: left;\">Symetrick\u00e9 (rovn\u00e9 na obou stran\u00e1ch)<\/td>\n<td style=\"text-align: left;\">Asymetrick\u00e9 (jednostrann\u00fd magnet)<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: left;\"><strong>Magnetick\u00e1 s\u00edla<\/strong><\/td>\n<td style=\"text-align: left;\">Z\u00e1kladn\u00ed nomin\u00e1ln\u00ed hodnota<\/td>\n<td style=\"text-align: left;\">zdvojn\u00e1sobeno na pracovn\u00ed stran\u011b<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: left;\"><strong>Profil hmotnosti<\/strong><\/td>\n<td style=\"text-align: left;\">T\u011b\u017ek\u00e9 (vy\u017eaduje \u017eelezn\u00e9 podlo\u017eky na zadn\u00ed stran\u011b)<\/td>\n<td style=\"text-align: left;\">Lehk\u00fd (statick\u00fd n\u00e1vrh bez \u017eeleza)<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: left;\"><strong>\u00da\u010dinnost toku<\/strong><\/td>\n<td style=\"text-align: left;\">St\u0159edn\u011b vyza\u0159uj\u00edc\u00ed chyb\u011bj\u00edc\u00ed pole<\/td>\n<td style=\"text-align: left;\">Extr\u00e9mn\u011b vysok\u00e1, c\u00edlen\u00e1 hustota toku<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<hr \/>\n<h3>Re\u00e1ln\u00e9 aplikace<\/h3>\n<p>Proto\u017ee tyto pole maximalizuj\u00ed v\u00fdkon a sou\u010dasn\u011b sni\u017euj\u00ed celkovou hmotnost syst\u00e9mu, staly se nezbytn\u00fdmi komponentami v high-tech glob\u00e1ln\u00edch odv\u011btv\u00edch. Tuto technologii pravideln\u011b nasazujeme v t\u0159ech hlavn\u00edch sektorech:<\/p>\n<ul>\n<li style=\"list-style-type: none;\">\n<ul>\n<li><strong>Syst\u00e9my magnetick\u00fdch line\u00e1rn\u00edch motor\u016f Maglev:<\/strong> Vlaky na vysok\u00e9 rychlosti s magnetickou levitac\u00ed spol\u00e9haj\u00ed na masivn\u00ed jednostrann\u00fd magnetick\u00fd vzlet t\u011bchto pol\u00ed, aby vystoupaly nad podlo\u017eku a dop\u0159edu poh\u00e1n\u011bly bez mechanick\u00e9ho t\u0159en\u00ed.<\/li>\n<li><strong>Pokro\u010dil\u00e9 urychlova\u010de \u010d\u00e1stic:<\/strong> Zost\u0159ov\u00e1n\u00ed \u010d\u00e1sticov\u00fdch svazk\u016f vy\u017eaduje neuv\u011b\u0159iteln\u011b p\u0159esn\u00e1, ultra siln\u00e1 magnetick\u00e1 pole. Kompaktn\u00ed Halbachovy v\u00e1lce \u0159\u00edd\u00ed tyto svazky bez masivn\u00edch elektromagnet\u016f.<\/li>\n<li><strong>Vysok\u00e1 \u00fa\u010dinnost zak\u00e1zkov\u00fdch motor\u016f:<\/strong> Modern\u00ed elektrick\u00e1 vozidla a komponenty kosmick\u00e9ho pr\u016fmyslu pou\u017e\u00edvaj\u00ed bezelektromagnetov\u00e9 statorov\u00e9 konstrukce poh\u00e1n\u011bn\u00e9 t\u011bmito poli, aby sn\u00ed\u017eily hmotnost motoru a prodlou\u017eily dojezd baterie.<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<h2>Kouzlo za matematikou: Jak Halbachovy soustavy funguj\u00ed<\/h2>\n<p>Na prvn\u00ed pohled vypad\u00e1 Halbachova pole jako standardn\u00ed uspo\u0159\u00e1d\u00e1n\u00ed trval\u00fdch magnet\u016f, ale fyzika skryt\u00e1 uvnit\u0159 vypr\u00e1v\u00ed \u00fapln\u011b jin\u00fd p\u0159\u00edb\u011bh. Tajemstv\u00ed spo\u010d\u00edv\u00e1 v jevu zvan\u00e9m <strong>magnetick\u00e9 pole superpozice<\/strong>. Kdy\u017e se v\u00edce magnetick\u00fdch pol\u00ed p\u0159ekr\u00fdv\u00e1 ve stejn\u00e9m prostoru, navz\u00e1jem interaguj\u00ed. \u00damyslnou manipulac\u00ed touto interakc\u00ed m\u016f\u017eeme zcela p\u0159epracovat chov\u00e1n\u00ed magnetick\u00fdch silo\u010dar.<\/p>\n<p>Standardn\u00ed magnetick\u00e9 pole: [ Sever ]  [ Jih ] (rovnom\u011brn\u011b vyv\u00e1\u017eeno na obou stran\u00e1ch)<\/p>\n<p>Pole Halbachovy soustavy: [ Nepracuj\u00edc\u00ed strana: t\u00e9m\u011b\u0159 nulov\u00fd tok ]<br \/>\n[\u2197][\u2192][\u2198][\u2193][\u2199][\u2190][\u2196][\u2191] Oto\u010den\u00ed o 90\u00b0<br \/>\n===================================<br \/>\n[ Pracovn\u00ed strana: zdvojen\u00e1 hustota toku ]<\/p>\n<h3>Zru\u0161en\u00ed a pos\u00edlen\u00ed pole<\/h3>\n<p>Nam\u00edsto toho, aby magnetick\u00fd tok unikl rovnom\u011brn\u011b ze v\u0161ech stran, tato konfigurace nut\u00ed pole, aby spolupracovalo. Na nepracuj\u00edc\u00ed stran\u011b soustavy se pole z sousedn\u00edch magnetov\u00fdch blok\u016f proti sob\u011b navz\u00e1jem vyru\u0161uj\u00ed. Tato p\u0159irozen\u00e1 neutralizace sni\u017euje extern\u00ed magnetickou hustotu toku t\u00e9m\u011b\u0159 na nulu.<\/p>\n<p>Z\u00e1rove\u0148 na pracovn\u00ed stran\u011b nast\u00e1v\u00e1 p\u0159esn\u00fd opak. Pole se odklon\u00ed, slou\u010d\u00ed a vodi\u010d se zam\u011b\u0159\u00ed jedn\u00edm sm\u011brem. Tato konstruktivn\u00ed interference efektivn\u011b <strong>zesiluje a zdvojuje magnetickou s\u00edlu<\/strong> na dan\u00e9 stran\u011b bez p\u0159id\u00e1n\u00ed jak\u00e9hokoli dal\u0161\u00edho materi\u00e1lu \u010di hmotnosti. V podstat\u011b napodobuje, jak funguje specializovan\u00fd <a href=\"https:\/\/nbaem.com\/cs\/how-is-the-magnetic-rod-works\/\">magnetick\u00fd ty\u010d funguje<\/a> zam\u011b\u0159it vysokogradientn\u00ed povrchov\u00e1 pole p\u0159esn\u011b tam, kde je nejv\u00edce pot\u0159ebujete.<\/p>\n<h3>90\u00b0 prostorov\u00e1 rotace<\/h3>\n<p>Dosa\u017een\u00ed t\u00e9to jednostrann\u00e9 magnetick\u00e9 moci vy\u017eaduje p\u0159esn\u00e9, matematicky vypo\u010d\u00edtan\u00e9 uspo\u0159\u00e1d\u00e1n\u00ed. Orientace magnetizace mus\u00ed sledovat plynul\u00fd, v\u017edy n\u00e1sleduj\u00edc\u00ed <strong>90let\u00e9 prostorov\u00e9 rotace<\/strong> od jednoho bloku k dal\u0161\u00edmu.<\/p>\n<ul>\n<li style=\"list-style-type: none;\">\n<ul>\n<li><strong>Blok 1:<\/strong> Sm\u011b\u0159uje p\u0159\u00edmo nahoru ($\u2191$)<\/li>\n<li><strong>Blok 2:<\/strong> Rotuje o 90 stup\u0148\u016f doprava ($\u2192$)<\/li>\n<li><strong>Blok 3:<\/strong> Rotuje o 90 stup\u0148\u016f dol\u016f ($\u2193$)<\/li>\n<li><strong>Blok 4:<\/strong> Rotuje o 90 stup\u0148\u016f doleva ($\u2190$)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>Tento opakuj\u00edc\u00ed se vzor vytv\u00e1\u0159\u00ed neust\u00e1le se posouvaj\u00edc\u00ed magnetick\u00fd obvod. \u0158\u00edzen\u00edm tokov\u00fdch \u010dar skrze tuto pevnou progresi 90 stup\u0148\u016f je pole trvale zadr\u017eeno a zes\u00edleno na jedn\u00e9 stran\u011b, zat\u00edmco na druh\u00e9 z\u016fst\u00e1v\u00e1 naprosto tich\u00e9.<\/p>\n<h2>Kl\u00ed\u010dov\u00e9 v\u00fdhody pou\u017eit\u00ed Halbachovy \u0159ady<\/h2>\n<p>Kdy\u017e navrhujeme vysoce v\u00fdkonn\u00e9 magnetick\u00e9 syst\u00e9my, hmotnost a prostor jsou na\u0161imi nejv\u011bt\u0161\u00edmi nep\u0159\u00e1teli. Standardn\u00ed soustavy pevn\u00fdch magnet\u016f zbyte\u010dn\u011b spot\u0159ebov\u00e1vaj\u00ed obrovsk\u00e9 mno\u017estv\u00ed energie, proto\u017ee jejich magnetick\u00e9 pole unik\u00e1 ve v\u0161ech sm\u011brech. Vyu\u017eit\u00edm jedine\u010dn\u00e9ho principu Halbachov\u00fdch struktury kan\u00e1lujeme tuto ztracenou energii p\u0159esn\u011b tam, kde pat\u0159\u00ed.<\/p>\n<p>Zde je d\u016fvod, pro\u010d in\u017een\u00fdrsk\u00e9 t\u00fdmy p\u0159ech\u00e1zej\u00ed na tuto konfiguraci pro modern\u00ed aplikace:<\/p>\n<ul>\n<li style=\"list-style-type: none;\">\n<ul>\n<li><strong>Maxim\u00e1ln\u00ed hustota magnetick\u00e9ho toku:<\/strong> Zam\u011b\u0159ujeme t\u00e9m\u011b\u0159 cel\u00e9 magnetick\u00e9 pole na jednu pracovn\u00ed stranu. To dramaticky zvy\u0161uje <strong>magnetick\u00fdch tokov\u00fdch hustot<\/strong> ani\u017e by vy\u017eadovalo v\u011bt\u0161\u00ed, t\u011b\u017e\u0161\u00ed magnety.<\/li>\n<li><strong>N\u00e1vrh statoru bez \u017eelezn\u00e9 j\u00e1my:<\/strong> Tradi\u010dn\u00ed uspo\u0159\u00e1d\u00e1n\u00ed spol\u00e9h\u00e1 na t\u011b\u017ek\u00e9 \u017eelezn\u00e9 podp\u016frn\u00e9 desky k odklon\u011bn\u00ed odchoz\u00edch magnetick\u00fdch pol\u00ed. Proto\u017ee Halbachova \u0159ada p\u0159irozen\u011b vyru\u0161uje pole na stran\u011b, kter\u00e1 nepracuje, m\u016f\u017eeme zcela odstranit tyto t\u011b\u017ek\u00e9 zadn\u00ed \u017eelezn\u00e9 \u010d\u00e1sti. To vytv\u00e1\u0159\u00ed neuv\u011b\u0159iteln\u011b lehk\u00fd <strong>design statoru bez \u017eeleza<\/strong> ide\u00e1ln\u00ed pro leteck\u00fd pr\u016fmysl a kapalinov\u00e9 techniky.<\/li>\n<li><strong>Nedotknuteln\u00e1 prostorov\u00e1 efektivita:<\/strong> Z\u00edsk\u00e1v\u00e1me dvojn\u00e1sobnou magnetickou s\u00edlu v zlomek \u00fadajn\u00e9ho prostoru. Pokud stav\u00edte vysoce \u00fa\u010dinn\u00e9 kompaktn\u00ed motory nebo pokro\u010dil\u00e9 line\u00e1rn\u00ed pohony, tato konfigurace poskytuje nejvy\u0161\u0161\u00ed pom\u011br s\u00edly k hmotnosti.<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<table>\n<thead>\n<tr>\n<th style=\"text-align: left;\">Vlastnost<\/th>\n<th style=\"text-align: left;\">Standardn\u00ed magnetov\u00e1 souprava<\/th>\n<th style=\"text-align: left;\">Mont\u00e1\u017e Halbachova pole<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td style=\"text-align: left;\"><strong>Rozlo\u017een\u00ed pole<\/strong><\/td>\n<td style=\"text-align: left;\">Symetrick\u00e9 (trvale unikaj\u00edc\u00ed na obou stran\u00e1ch)<\/td>\n<td style=\"text-align: left;\">Jednostrann\u00e9 (koncentrovan\u00e1 pracovn\u00ed strana)<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: left;\"><strong>T\u011b\u017ek\u00e1 \u017eelezn\u00e1 opora<\/strong><\/td>\n<td style=\"text-align: left;\">Pot\u0159ebn\u00e1 k veden\u00ed toku<\/td>\n<td style=\"text-align: left;\">Zcela eliminov\u00e1no<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: left;\"><strong>Hmotnostn\u00ed efektivita<\/strong><\/td>\n<td style=\"text-align: left;\">N\u00edzk\u00e1 kv\u016fli nutn\u00e9mu podp\u016frn\u00e9mu kovu<\/td>\n<td style=\"text-align: left;\">Extr\u00e9mn\u011b vysok\u00e1 a lehk\u00e1<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>V\u00fdb\u011br spr\u00e1vn\u00fdch sou\u010d\u00e1st\u00ed je kl\u00ed\u010dov\u00fd pro zaji\u0161t\u011bn\u00ed t\u011bchto \u00faspor hmotnosti. Aby bylo mo\u017en\u00e9 dos\u00e1hnout t\u011bchto extr\u00e9mn\u00edch pol\u00ed, d\u016frazn\u011b doporu\u010dujeme vyu\u017e\u00edvat pr\u00e9miov\u00e9 <a href=\"https:\/\/nbaem.com\/cs\/what-magnet-materials-are-best-for-halbach-arrays\/\">segmenty neodymov\u00fdch magnet\u016f<\/a> kter\u00e9 nab\u00edzej\u00ed pot\u0159ebnou koercivitu pro odol\u00e1n\u00ed demagnetizaci za st\u00edsn\u011bn\u00fdch prostorov\u00fdch omezen\u00ed.<\/p>\n<h2>B\u011b\u017en\u00e9 probl\u00e9my v principu Halbachova pole<\/h2>\n<p>Zat\u00edmco <strong>princip Halbachova pole<\/strong> struktury nab\u00edzej\u00ed neuv\u011b\u0159itelnou magnetickou \u00fa\u010dinnost, v\u00fdroba t\u011bchto uspo\u0159\u00e1d\u00e1n\u00ed p\u0159in\u00e1\u0161\u00ed v\u00e1\u017en\u00e9 in\u017een\u00fdrsk\u00e9 p\u0159ek\u00e1\u017eky. Pravideln\u011b \u0159e\u0161\u00edme t\u0159i prim\u00e1rn\u00ed limity p\u0159i stavb\u011b t\u011bchto pokro\u010dil\u00fdch uspo\u0159\u00e1dan\u00ed trval\u00fdch magnet\u016f.<\/p>\n<ul>\n<li style=\"list-style-type: none;\">\n<ul>\n<li><strong>N\u00e1le\u017eit\u011b siln\u00e9 mont\u00e1\u017en\u00ed s\u00edly:<\/strong> Proto\u017ee rotace magnetick\u00e9 orientace nut\u00ed p\u00f3ly \u010delit sob\u011b, jednotliv\u00e9 segmenty neodymov\u00fdch magnet\u016f p\u0159i mont\u00e1\u017ei soupe\u0159\u00ed. \u010c\u00edm bl\u00ed\u017e se dostanou, t\u00edm siln\u011bj\u0161\u00ed jsou odpudiv\u00e9 s\u00edly. Mus\u00edme navrhnout speci\u00e1ln\u00ed mechanick\u00e9 \u0161ablony a vysoce pevn\u00e9 upev\u0148ovac\u00ed prvky jen k tomu, aby bloky daly dohromady a dr\u017eely na m\u00edst\u011b, zat\u00edmco lepidlo tuhne.<\/li>\n<li><strong>Vysok\u00e9 n\u00e1klady na v\u00fdrobu:<\/strong> Dosa\u017een\u00ed p\u0159esn\u00e9ho prostorov\u00e9ho ot\u00e1\u010den\u00ed vy\u017eadovan\u00e9ho designem Halbachova pole znamen\u00e1 spol\u00e9hat na pr\u00e9miov\u00e9 materi\u00e1ly. \u010casto pou\u017e\u00edv\u00e1me vysoce kvalitn\u00ed <a href=\"https:\/\/nbaem.com\/cs\/microrobot-and-neodymium-magnets\/\">neodymov\u00e9 magnety<\/a> aby se dos\u00e1hlo pot\u0159ebn\u00e9 hustoty toku, kter\u00e1 vy\u017eaduje slo\u017een\u00e9 d\u011blen\u00ed EDM (elektrick\u00e9 v\u00fdm\u011bny) a p\u0159esn\u00e9 brou\u0161en\u00ed k dosa\u017een\u00ed p\u0159\u00edsn\u00fdch geometrick\u00fdch toleranc\u00ed.<\/li>\n<li><strong>Rizika tepeln\u00e9ho demagnetizace:<\/strong> Standardn\u00ed Nd-\u0159ady ztr\u00e1cej\u00ed magnetick\u00fd n\u00e1boj p\u0159i vy\u0161\u0161\u00edch teplot\u00e1ch. V aplikac\u00edch s vysok\u00fdm v\u00fdkonem, jako jsou motory, mohou m\u00edstn\u00ed v\u00ed\u0159iv\u00e9 proudy rychle oh\u0159\u00e1t soubor. Bez integrace specializovan\u00fdch magnetick\u00fdch segment\u016f s vysokou koercivitou pro zlep\u0161en\u00ed <strong>odolnost proti demagnetizaci<\/strong>, cel\u00fd jednostrann\u00fd magnetick\u00fd efekt m\u016f\u017ee trvale selhat.<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<h2>FAQ o principech Halbachova pole<\/h2>\n<h3>M\u016f\u017eete vyrobit kruhov\u00fd Halbach\u016fv pole?<\/h3>\n<p>Ano, bezpochyby. Kdy\u017e ohnete line\u00e1rn\u00ed uspo\u0159\u00e1d\u00e1n\u00ed do kruhu, st\u00e1v\u00e1 se z n\u011bj <strong>halbach\u016fv v\u00e1lec<\/strong>. Lze jej konfigurovat dv\u011bma zp\u016fsoby: nasm\u011brovat pos\u00edlen\u00e9 magnetick\u00e9 pole dovnit\u0159 k centr\u00e1ln\u00edmu otvoru (ide\u00e1ln\u00ed pro elektrick\u00e9 motory a urychlova\u010de \u010d\u00e1stic) nebo zam\u011b\u0159it pole zcela ven.<\/p>\n<h3>Jak\u00e9 materi\u00e1ly jsou nejlep\u0161\u00ed pro stavbu Halbachova pole?<\/h3>\n<p>Vynikaj\u00edc\u00ed jsou vysok\u00e9 magnety, proto\u017ee je pot\u0159eba neuv\u011b\u0159iteln\u00e1 koercivita magnetu, aby se odolalo demagnetizaci. <strong>Segmenty neodymov\u00e9ho magnetu<\/strong> (NdFeB, typicky stupn\u011b jako N42 nebo vy\u0161\u0161\u00ed) jsou pr\u016fmyslov\u00fdm standardem. Pro vysokoteplotn\u00ed uspo\u0159\u00e1d\u00e1n\u00ed se preferuje selsam\u00ed SmCo (samarium-kobalt), i kdy\u017e je dra\u017e\u0161\u00ed.<\/p>\n<h3>Zabra\u0148uje Halbachovo pole \u00fapln\u011b magnetick\u00fdm pol\u00edm na jedn\u00e9 stran\u011b?<\/h3>\n<p>Ne 100%, ale je to velmi bl\u00edzko. Zat\u00edmco p\u016fsob\u00ed jako <strong>jednostrann\u00fd magnet<\/strong>, na nepracuj\u00edc\u00ed stran\u011b je\u0161t\u011b unik\u00e1 mal\u00e1 d\u00e1vka magnetick\u00e9ho toku. Pro v\u011bt\u0161inu in\u017een\u00fdrsk\u00fdch aplikac\u00ed je v\u0161ak ru\u0161en\u00ed pole natolik \u00fa\u010dinn\u00e9, \u017ee m\u016f\u017eete pou\u017e\u00edt <strong>design statoru bez \u017eeleza<\/strong> bez obav z magnetick\u00e9ho ru\u0161en\u00ed.<\/p>\n<h3>Jak bezpe\u010dn\u011b smontovat DIY Halbachovo pole?<\/h3>\n<p>Sestavov\u00e1n\u00ed t\u011bchto pol\u00ed je proslul\u00e9 t\u00edm, \u017ee je magnetick\u00e9 segmenty aktivn\u011b br\u00e1n\u00ed v tla\u010den\u00ed k sob\u011b. Extr\u00e9mn\u00ed odpudiv\u00e9 s\u00edly mohou snadno o\u0161kubat prsty nebo rozb\u00edt k\u0159ehk\u00fd neodym. V\u017edy doporu\u010dujeme pou\u017e\u00edvat speci\u00e1ln\u00ed mechanickou \u0161ablonu nebo ne-magnetick\u00e9 hlin\u00edkov\u00e9 up\u00ednac\u00ed p\u0159\u00edpravky pro pomal\u00e9 posouv\u00e1n\u00ed blok\u016f do polohy. Pou\u017eit\u00ed <a href=\"https:\/\/nbaem.com\/cs\/best-glue-for-a-halbach-array\/\">nejlep\u0161\u00ed lepidlo pro halbachovo pole<\/a>\u2014 nap\u0159\u00edklad epoxid s vysokou pevnost\u00ed a odolnost\u00ed proti n\u00e1raz\u016fm \u2014 je kl\u00ed\u010dov\u00e9 pro trval\u00e9 zaji\u0161t\u011bn\u00ed d\u00edl\u016f na m\u00edst\u011b. Kv\u016fli t\u011bmto intenzivn\u00edm fyzick\u00fdm sil\u00e1m je d\u016fle\u017eit\u00e9 pochopit <a href=\"https:\/\/nbaem.com\/cs\/why-are-halbach-arrays-hard-to-assemble\/\">pro\u010d jsou Halbachovy pole t\u011b\u017ek\u00e1 k sestaven\u00ed<\/a> je\u0161t\u011b p\u0159ed za\u010d\u00e1tkem v\u00e1m u\u0161et\u0159\u00ed zni\u010den\u00e9 materi\u00e1ly a mo\u017en\u00e9 zran\u011bn\u00ed.<\/p>\n<div id=\"references\">\n<h2>Souvisej\u00edc\u00ed zdroje<\/h2>\n<ul>\n<li style=\"list-style-type: none\">\n<ul>\n<li><a href=\"https:\/\/en.wikipedia.org\/wiki\/Halbach_array\" target=\"_blank\" rel=\"noopener noreferrer\">https:\/\/en.wikipedia.org\/wiki\/Halbach_array<\/a><\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<\/div>","protected":false},"excerpt":{"rendered":"<p>Princip principu Halbachovy soustavy vysv\u011btlen s \u0159\u00edzen\u00edm magnetick\u00e9ho toku jednosm\u011brn\u00e9ho a s aplikacemi v re\u00e1ln\u00e9m sv\u011bt\u011b<\/p>","protected":false},"author":1,"featured_media":3948,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"om_disable_all_campaigns":false,"_monsterinsights_skip_tracking":false,"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[31],"tags":[],"class_list":["post-3941","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-neodymium-magnet"],"jetpack_sharing_enabled":true,"jetpack_featured_media_url":"https:\/\/nbaem.com\/wp-content\/uploads\/2026\/07\/Principle-of-Halbach-Array.jpg","_links":{"self":[{"href":"https:\/\/nbaem.com\/cs\/wp-json\/wp\/v2\/posts\/3941","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=3941"}],"version-history":[{"count":1,"href":"https:\/\/nbaem.com\/cs\/wp-json\/wp\/v2\/posts\/3941\/revisions"}],"predecessor-version":[{"id":3949,"href":"https:\/\/nbaem.com\/cs\/wp-json\/wp\/v2\/posts\/3941\/revisions\/3949"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/nbaem.com\/cs\/wp-json\/wp\/v2\/media\/3948"}],"wp:attachment":[{"href":"https:\/\/nbaem.com\/cs\/wp-json\/wp\/v2\/media?parent=3941"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/nbaem.com\/cs\/wp-json\/wp\/v2\/categories?post=3941"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/nbaem.com\/cs\/wp-json\/wp\/v2\/tags?post=3941"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}