{"id":3726,"date":"2026-03-12T07:36:24","date_gmt":"2026-03-12T07:36:24","guid":{"rendered":"https:\/\/nbaem.com\/?p=3726"},"modified":"2026-03-11T05:46:19","modified_gmt":"2026-03-11T05:46:19","slug":"cause-demagnetization-in-permanent-magnet-motors","status":"publish","type":"post","link":"https:\/\/nbaem.com\/cs\/cause-demagnetization-in-permanent-magnet-motors\/","title":{"rendered":"Co m\u016f\u017ee zp\u016fsobit demagnetizaci v motoru s trval\u00fdm magnetem"},"content":{"rendered":"<h2>Fyzika magnetick\u00fdch ztr\u00e1t: Pochopen\u00ed k\u0159ivky B-H<\/h2>\n<div id=\"attachment_1663\" style=\"width: 1034px\" class=\"wp-caption alignnone\"><img decoding=\"async\" aria-describedby=\"caption-attachment-1663\" class=\"size-large wp-image-1663\" src=\"https:\/\/nbaem.com\/wp-content\/uploads\/2025\/05\/35SH-BH-curve-1024x699.jpg\" alt=\"K\u0159ivka magnetick\u00e9ho toku 35SH BH\" width=\"1024\" height=\"699\" srcset=\"https:\/\/nbaem.com\/wp-content\/uploads\/2025\/05\/35SH-BH-curve-200x137.jpg 200w, https:\/\/nbaem.com\/wp-content\/uploads\/2025\/05\/35SH-BH-curve-300x205.jpg 300w, https:\/\/nbaem.com\/wp-content\/uploads\/2025\/05\/35SH-BH-curve-400x273.jpg 400w, https:\/\/nbaem.com\/wp-content\/uploads\/2025\/05\/35SH-BH-curve-600x410.jpg 600w, https:\/\/nbaem.com\/wp-content\/uploads\/2025\/05\/35SH-BH-curve-768x525.jpg 768w, https:\/\/nbaem.com\/wp-content\/uploads\/2025\/05\/35SH-BH-curve-800x546.jpg 800w, https:\/\/nbaem.com\/wp-content\/uploads\/2025\/05\/35SH-BH-curve-1024x699.jpg 1024w, https:\/\/nbaem.com\/wp-content\/uploads\/2025\/05\/35SH-BH-curve-1200x820.jpg 1200w, https:\/\/nbaem.com\/wp-content\/uploads\/2025\/05\/35SH-BH-curve.jpg 1249w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><p id=\"caption-attachment-1663\" class=\"wp-caption-text\">K\u0159ivka magnetick\u00e9ho toku 35SH BH<\/p><\/div>\n<p>&nbsp;<\/p>\n<p>S nikdy jste se nesetkali s motorov\u00fdm strojem s n\u00edzk\u00fdm v\u00fdkonem a nep\u0159em\u00fd\u0161leli jste, co p\u0159esn\u011b m\u016f\u017ee zp\u016fsobovat demagnetizaci v Permanent Magnet Motorech? Abychom \u00fa\u010dinn\u011b diagnostikovali, mus\u00edme nejprve nahl\u00e9dnout do z\u00e1kladn\u00ed fyziky magnetick\u00fdch materi\u00e1l\u016f. Odpov\u011b\u010f spo\u010d\u00edv\u00e1 v demagnetiza\u010dn\u00ed k\u0159ivce B-H.<\/p>\n<h3>Dek\u00f3dov\u00e1n\u00ed k\u0159ivky demagnetizace<\/h3>\n<p>P\u0159i anal\u00fdze opot\u0159eben\u00ed motoru in\u017een\u00fd\u0159i pe\u010dliv\u011b zkoumaj\u00ed druh\u00fd kvadrant k\u0159ivky B-H. Tato specifick\u00e1 \u010d\u00e1st, zn\u00e1m\u00e1 jako k\u0159ivka demagnetizace, ukazuje, jak se permanentn\u00ed magnet chov\u00e1 p\u0159i vystaven\u00ed protich\u016fdn\u00e9mu magnetick\u00e9mu poli. Mapuje p\u0159esn\u00e9 prahov\u00e9 hodnoty a podm\u00ednky, za kter\u00fdch magnet za\u010dne ztr\u00e1cet svou provozn\u00ed s\u00edlu uvnit\u0159 vzduchov\u00e9 mezery motoru.<\/p>\n<h3>Kl\u00ed\u010dov\u00e9 magnetick\u00e9 metriky<\/h3>\n<p>K P\u0159esn\u00e9mu posouzen\u00ed rizika ztr\u00e1ty magnetick\u00e9ho toku spol\u00e9h\u00e1me na dva kl\u00ed\u010dov\u00e9 vlastnosti materi\u00e1lu:<\/p>\n<ul>\n<li><strong>Remanence (Br):<\/strong> To definuje zbytkovou hustotu magnetick\u00e9ho toku, kter\u00e1 z\u016fstane v materi\u00e1lu pot\u00e9, co je odstran\u011bno po\u010d\u00e1te\u010dn\u00ed vn\u011bj\u0161\u00ed magnetiza\u010dn\u00ed pole. Jednodu\u0161e \u0159e\u010deno, p\u0159edstavuje maxim\u00e1ln\u00ed z\u00e1kladn\u00ed s\u00edlu magnetu.<\/li>\n<li><strong>Vnit\u0159n\u00ed koercivn\u00ed s\u00edla (Hci):<\/strong> To je kone\u010dn\u00e1 odolnost materi\u00e1lu v\u016f\u010di demagnetizaci. Vy\u0161\u0161\u00ed Hci znamen\u00e1, \u017ee magnet m\u016f\u017ee vydr\u017eet podstatn\u011b siln\u011bj\u0161\u00ed protich\u016fdn\u00e1 magnetick\u00e1 pole d\u0159\u00edve, ne\u017e trvale ztrat\u00ed svou vnit\u0159n\u00ed polarizaci.<\/li>\n<\/ul>\n<h3>Nebezpe\u010d\u00ed kolenn\u00edho bodu<\/h3>\n<p>Nejzraniteln\u011bj\u0161\u00ed \u010d\u00e1st\u00ed demagnetiza\u010dn\u00ed k\u0159ivky B-H je \u201ekolenn\u00ed bod\u201c. Je to p\u0159esn\u00e9 m\u00edsto, kde line\u00e1rn\u00ed \u010d\u00e1st k\u0159ivky prudce kles\u00e1.<\/p>\n<p>Pokud provozn\u00ed podm\u00ednky motoru udr\u017euj\u00ed magnet nad t\u00edmto kolenn\u00edm bodem, jak\u00e9koli do\u010dasn\u00e9 sn\u00ed\u017een\u00ed toku je reverzibiln\u00ed. Pokud v\u0161ak extr\u00e9mn\u00ed podm\u00ednky posunou provozn\u00ed bod pod koleno, materi\u00e1l trp\u00ed <strong>nevratnou magnetickou ztr\u00e1tou<\/strong>. Jakmile provozn\u00ed bod p\u0159ekro\u010d\u00ed tuto kritickou pr\u00e1h, prostorov\u00e9 uspo\u0159\u00e1d\u00e1n\u00ed magnetick\u00fdch dom\u00e9n je trvale naru\u0161eno. Motor si nevr\u00e1t\u00ed p\u016fvodn\u00fd kroutic\u00ed moment ani \u00fa\u010dinnost ani po ochlazen\u00ed nebo odebr\u00e1n\u00ed protikl\u00e1du, co\u017e vede k trval\u00e9mu sn\u00ed\u017een\u00ed v\u00fdkonu.<\/p>\n<h2>Co m\u016f\u017ee zp\u016fsobit demagnetizaci u motor\u016f s permanentn\u00edmi magnety?<\/h2>\n<p>Kdy\u017e budujeme a odstra\u0148ujeme z\u00e1vady vysokov\u00fdkonn\u00fdch pohon\u016f, pochopen\u00ed toho, co p\u0159esn\u011b <strong>m\u016f\u017ee zp\u016fsobit demagnetizaci u motor\u016f s permanentn\u00edmi magnety<\/strong> je z\u00e1sadn\u00ed. Porucha synchronn\u00edho motoru s permanentn\u00edmi magnety (PMSM) \u010dasto p\u0159\u00edmo souvis\u00ed s n\u011bkolika hlavn\u00edmi stresory, kter\u00e9 ni\u010d\u00ed magnetick\u00fd obvod. Zde jsou prim\u00e1rn\u00ed vin\u00edci, na kter\u00e9 si mus\u00edte d\u00e1vat pozor.<\/p>\n<h3>1. Tepeln\u00e9 nap\u011bt\u00ed a p\u0159eh\u0159\u00e1t\u00ed<\/h3>\n<p>H\u0159ej\u00edv\u00fd je hlavn\u00ed p\u0159\u00ed\u010dina <strong>teplotn\u00ed demagnetizaci<\/strong>. Jak se vnit\u0159n\u00ed teploty zvy\u0161uj\u00ed, zvy\u0161uje se kinetick\u00e1 energie atom\u016f, kter\u00e1 vytrvale naru\u0161uje \u010dist\u00e9 uspo\u0159\u00e1d\u00e1n\u00ed magnetick\u00fdch dom\u00e9n.<\/p>\n<p>Tuto tepelnou \u00fajmu klasifikujeme do dvou typ\u016f:<\/p>\n<ul>\n<li><strong>Reverzn\u00ed ztr\u00e1ta:<\/strong> magnet oslabuje p\u0159i zah\u0159\u00e1t\u00ed, ale zcela nab\u00fdv\u00e1 s\u00edlu, jakmile se ochlad\u00ed na pokojovou teplotu.<\/li>\n<li><strong>Nevratn\u00e1 ztr\u00e1ta magnetismu:<\/strong> Teplota p\u0159ekro\u010d\u00ed kritick\u00fd pr\u00e1h. Magnet trvale ztr\u00e1c\u00ed s\u00edlu a vy\u017eaduje kompletn\u00ed remagnetizaci.<\/li>\n<\/ul>\n<p>Mus\u00edte rozli\u0161ovat mezi maxim\u00e1ln\u00ed provozn\u00ed teplotou magnetu a <strong>Curie teplotou permanentn\u00edch magnet\u016f<\/strong> (Tc), kter\u00e1 je absolutn\u00ed tepeln\u00fd limit, p\u0159i kter\u00e9m materi\u00e1l ztr\u00e1c\u00ed ve\u0161ker\u00fd permanentn\u00ed magnetismus.<\/p>\n<p><strong>Samarium kobalt vs. vysokoteplotn\u00ed limity neodymia<\/strong><br \/>\n| Materi\u00e1l magnetu | Maxim\u00e1ln\u00ed provozn\u00ed teplota | Teplota Curie ($T_c$) | Environment\u00e1ln\u00ed pevnost |<br \/>\n| <strong>Standard NdFeB<\/strong> | 80\u00b0C \u2013 150\u00b0C | 310\u00b0C \u2013 350\u00b0C | Vysok\u00e1 pevnost, n\u00edzk\u00e1 tolerance k teplu |<br \/>\n| <strong>SmCo<\/strong> | 250\u00b0C \u2013 350\u00b0C | 700\u00b0C \u2013 800\u00b0C | Ni\u017e\u0161\u00ed pevnost, extr\u00e9mn\u00ed tolerance k teplot\u011b |<\/p>\n<p>Pochopen\u00ed <a href=\"https:\/\/nbaem.com\/cs\/what-are-magnets-made-of\/\">z \u010deho jsou magnety vyrobeny<\/a> pom\u00e1h\u00e1 v\u00e1m vybrat spr\u00e1vn\u00fd materi\u00e1l, aby se p\u0159ede\u0161lo katastrofick\u00e9mu tepeln\u00e9ho selh\u00e1n\u00ed ve va\u0161ich n\u00e1vrz\u00edch motor\u016f.<\/p>\n<h3>2. Odporuj\u00edc\u00ed magnetick\u00e9 pole<\/h3>\n<p>B\u011bhem norm\u00e1ln\u00edho provozu vznik\u00e1 ve statorov\u00fdch vinut\u00edch <strong>odporuj\u00edc\u00ed magnetick\u00e9 pole<\/strong>. Tento jev, podobn\u00fd <strong>reakci v j\u00e1dru u stejnosm\u011brn\u00fdch motor\u016f<\/strong>, vytv\u00e1\u0159\u00ed trval\u00fd odpor v\u016f\u010di permanentn\u00edm magnet\u016fm.<\/p>\n<p>Toto z\u00e1porn\u00e9 pole se b\u011bhem abnorm\u00e1ln\u00edch provozn\u00edch podm\u00ednek st\u00e1v\u00e1 vysoce ni\u010div\u00fdm:<\/p>\n<ul>\n<li>Zaseknut\u00ed motoru nebo zablokov\u00e1n\u00ed rotoru<\/li>\n<li>Tvrd\u00fd, vysokotlak\u00fd start<\/li>\n<li>T\u011b\u017ek\u00e9 mechanick\u00e9 p\u0159et\u00ed\u017een\u00ed<\/li>\n<li>N\u00e1hl\u00fd <strong>ochrana motoru statoru<\/strong><\/li>\n<\/ul>\n<p>Tyto extr\u00e9mn\u00ed jevy vyvol\u00e1vaj\u00ed masivn\u00ed proudy ve statoru. Pokud tyto proudy vytla\u010d\u00ed magnet za jeho <strong>vnit\u0159n\u00ed kohe\u010dn\u00ed s\u00edlu<\/strong> (Hci), magnet demagnetizuje. Riziko eskaluje, pokud motor ji\u017e b\u011b\u017e\u00ed horko.<\/p>\n<h3>3. \u017divotn\u00ed prost\u0159ed\u00ed a koroze<\/h3>\n<p><strong>Degradace magnetu motoru EV<\/strong> degradace magnetu zp\u016fsoben\u00e1 \u010dasto \u0161patnou ochranou prost\u0159ed\u00ed ne\u017e elektrick\u00fdmi z\u00e1vadami. Neodym (NdFeB) je vysoce n\u00e1chyln\u00fd k oxidaci a hydrogen-embrittlementu.<\/p>\n<ul>\n<li><strong>Fyzik\u00e1ln\u00ed odlupov\u00e1n\u00ed:<\/strong> Vystaven\u00ed pr\u016fmyslov\u00fdm chemik\u00e1li\u00edm, vysok\u00e9 vlhkosti a korozivn\u00edm plyn\u016fm zp\u016fsobuje, \u017ee magnet rezav\u00ed a olupuje se.<\/li>\n<li><strong>Ztr\u00e1ta toku v meze\u0159e:<\/strong> Jak\u00e9koliv fyzick\u00e9 ztr\u00e1ty objemu magnetu p\u0159\u00edmo sni\u017euj\u00ed celkov\u00fd magnetick\u00fd tok proch\u00e1zej\u00edc\u00ed mezerou motoru, \u010d\u00edm\u017e zab\u00edraj\u00ed kroutic\u00ed moment.<\/li>\n<\/ul>\n<p>Implementing proper <strong>magnet coating and corrosion<\/strong> resistance (like Nickel-Copper-Nickel or tough Epoxy plating) is absolutely essential to prevent this slow decay.<\/p>\n<h3>4. Mechanical Stress and Assembly Impacts<\/h3>\n<p>Neodymov\u00e9 magnety jsou pov\u011bstn\u011b k\u0159ehk\u00e9. Z\u00e1va\u017en\u00e9 fyzick\u00e9 n\u00e1razy, siln\u00e9 provozn\u00ed vibrace nebo jednoduch\u00e9 ne\u0161etrn\u00e9 zach\u00e1zen\u00ed p\u0159i mont\u00e1\u017ei ve v\u00fdrob\u011b mohou snadno po\u0161kodit materi\u00e1ly jako ferrit nebo SmCo.<\/p>\n<ul>\n<li><strong>Dl\u00e1tozn\u00ed odlomen\u00ed:<\/strong> I mal\u00fd odlitek sni\u017euje celkov\u00fd objem magnetu.<\/li>\n<li><strong>P\u0159eru\u0161en\u00ed obvodu:<\/strong> Fyzick\u00e9 po\u0161kozen\u00ed naru\u0161uje pe\u010dliv\u011b vypo\u010d\u00edtan\u00fd magnetick\u00fd obvod, trvale naru\u0161uje rovnov\u00e1hu motoru a sni\u017euje celkovou \u00fa\u010dinnost.<\/li>\n<\/ul>\n<h2>Prevence demagnetizace rotoru v n\u00e1vrhu motoru<\/h2>\n<p>Abychom \u00fa\u010dinn\u011b \u010delili <strong>m\u016f\u017ee zp\u016fsobit demagnetizaci u motor\u016f s permanentn\u00edmi magnety<\/strong>, mus\u00edme probl\u00e9m \u0159e\u0161it p\u0159\u00edmo na in\u017een\u00fdrsk\u00e9 \u00farovni. Zahrnut\u00ed ochran do architektury motoru je nejspolehliv\u011bj\u0161\u00ed zp\u016fsob, jak zabr\u00e1nit demagnetizaci rotoru a udr\u017eet dlouhodob\u00fd v\u00fdstup to\u010div\u00e9ho momentu.<\/p>\n<p>Zde jsou hlavn\u00ed designov\u00e9 strategie, kter\u00e9 pou\u017e\u00edv\u00e1me k ochran\u011b magnetick\u00e9ho obvodu:<\/p>\n<ul>\n<li><strong>Optimalizace chlazen\u00ed motoru:<\/strong> Teplo je nejv\u011bt\u0161\u00ed hrozbou pro magnetickou stabilitu. D\u016frazn\u011b doporu\u010dujeme integrovat kapaln\u00e9 chladic\u00ed hadice nebo navrhnout optimalizovan\u00e9 pr\u016fduchy vzduchu skrz pouzdro motoru. Udr\u017een\u00ed j\u00e1dra pod kritick\u00fdmi teplotn\u00edmi limity je nejlep\u0161\u00ed zp\u016fsob, jak <a href=\"https:\/\/nbaem.com\/cs\/how-long-do-magnets-last\/\">prodlou\u017eit \u017eivotnost magnet\u016f<\/a> a vyhnout se trval\u00e9 ztr\u00e1t\u011b magnetick\u00e9ho toku.<\/li>\n<li><strong>Aktivn\u00ed \u0159\u00edzen\u00ed strategie:<\/strong> Hardwarov\u00e9 pot\u0159eby vy\u017eaduj\u00ed inteligentn\u00ed software. Implementac\u00ed inteligentn\u00edch pohon\u016f motor\u016f m\u016f\u017eeme aktivn\u011b omezovat \u0161pi\u010dkov\u00e9 proudy v f\u00e1zi. To zabra\u0148uje v\u00e1\u017en\u00fdm <strong>reakci v j\u00e1dru u stejnosm\u011brn\u00fdch motor\u016f<\/strong> a PMSM, zejm\u00e9na p\u0159i vysoce rizikov\u00fdch sc\u00e9n\u00e1\u0159\u00edch, jako jsou tvrd\u00e9 zablokov\u00e1n\u00ed, velk\u00e9 p\u0159esycen\u00ed nebo n\u00e1hl\u00e9 <strong>ochrana motoru statoru<\/strong>.<\/li>\n<li><strong>\u00dapravy geometrie rotor\u016f:<\/strong> Kdy\u017e um\u00edst\u00edte magnet, na tom z\u00e1le\u017e\u00ed. N\u00e1vrh rotor\u016f se hlub\u0161\u00edm zakopan\u00fdm magnetem\u2014b\u011b\u017en\u011b vyu\u017e\u00edvan\u00fd v designu synchronn\u00edch motor\u016f s vysoce usazen\u00fdm magnetem (PMSM)\u2014p\u0159id\u00e1v\u00e1 fyzickou ochrannou vrstvu. Tato intern\u00ed geometrie \u00fa\u010dinn\u011b chr\u00e1n\u00ed magnety p\u0159ed p\u0159\u00edm\u00fdm vlivem protilehl\u00fdch magnetick\u00fdch pol\u00ed generovan\u00fdch statorov\u00fdmi vinut\u00edmi.<\/li>\n<\/ul>\n<h2>Volba spr\u00e1vn\u00fdch magnetick\u00fdch materi\u00e1l\u016f s NBAEM<\/h2>\n<p>Zastaven\u00ed magnetick\u00e9 ztr\u00e1ty za\u010d\u00edn\u00e1 u zdroje. Pokud chcete <strong>zabr\u00e1nit demagnetizaci rotor\u016f<\/strong>, v\u00fdb\u011br spr\u00e1vn\u00e9ho surov\u00e9ho materi\u00e1lu je nevyhnuteln\u00fd. V NBAEM vkl\u00e1d\u00e1me odolnost motoru od z\u00e1kladu, abychom zajistili dlouhodobou stabilitu.<\/p>\n<h3>Vysok\u00e1 koercivita NdFeB magnet\u016f vs SmCo<\/h3>\n<p>Standardn\u00ed materi\u00e1ly selh\u00e1vaj\u00ed \u010dasto p\u0159i velk\u00fdch zat\u00ed\u017een\u00edch a vysok\u00fdch teplot\u00e1ch. Modernizace magnetick\u00fdch materi\u00e1l\u016f je nejp\u0159\u00edm\u011bj\u0161\u00ed zp\u016fsob, jak zastavit teplotn\u00ed demagnetizaci na m\u00edst\u011b.<\/p>\n<ul>\n<li><strong>NdFeB vylep\u0161en\u00ed:<\/strong> P\u0159echodem na <strong>magnety NdFeB s vysokou koercivitou<\/strong> (jako na\u0161e \u0159ady UH, EH nebo AH) se v\u00fdrazn\u011b zvy\u0161uje tepeln\u00fd limit. Ov\u011b\u0159en\u00ed <a href=\"https:\/\/nbaem.com\/cs\/quality-of-neodymium-magnets\/\">kvalit\u011b neodymov\u00fdch magnet\u016f<\/a> b\u011bhem z\u00edsk\u00e1v\u00e1n\u00ed dod\u00e1vek je prvn\u00edm krokem k zaji\u0161t\u011bn\u00ed stabiln\u00edho, dlouhodob\u00e9ho provozu bez neo\u010dek\u00e1van\u00e9 ztr\u00e1ty toku.<\/li>\n<li><strong>Extr\u00e9mn\u00ed prost\u0159ed\u00ed:<\/strong> Kdy\u017e se d\u00edv\u00e1te na <strong>samari\u010dasto-kobalt vs neodym vysok\u00e1 teplota<\/strong> v\u00fdkon, SmCo m\u00e1 absolutn\u00ed prvenstv\u00ed. Je to kone\u010dn\u00e1 volba pro kosmick\u00e9 aplikace a prevenci <strong>Degradace magnetu motoru EV<\/strong> p\u0159i extr\u00e9mn\u00edm, trval\u00e9m zah\u0159\u00edv\u00e1n\u00ed.<\/li>\n<\/ul>\n<h3>Povrch magnetu a koroze<\/h3>\n<p>Environment\u00e1ln\u00ed po\u0161kozen\u00ed tich\u00fdm zp\u016fsobem ni\u010d\u00ed magnetick\u00fd tok. Nah\u00e9 magnety vystaven\u00e9 vlhkosti, pr\u016fmyslov\u00fdm chemik\u00e1li\u00edm nebo vlhkosti rychle degraduj\u00ed. Aplikuje robustn\u00ed, pr\u016fmyslovou povrchovou \u00fapravu\u2014konkr\u00e9tn\u011b Nickel-Copper-Nickel (Ni-Cu-Ni) a vysokou pevnost\u00ed Epoxid\u2014aby zcela zablokoval korozn\u00ed prvky. \u0158e\u0161en\u00ed <strong>magnet coating and corrosion<\/strong> d\u0159\u00edve eliminuje fyzick\u00e9 olupov\u00e1n\u00ed a ztr\u00e1tu objemu, kter\u00e9 kaz\u00ed vnit\u0159n\u00ed magnetick\u00fd obvod.<\/p>\n<h3>In\u017een\u00fdrsk\u00e1 v\u00fdhoda NBAEM<\/h3>\n<p>P\u0159esn\u011b v\u00edm, co je pot\u0159eba k vybudov\u00e1n\u00ed motor\u016f, kter\u00e9 p\u0159e\u017eij\u00ed nejhor\u0161\u00ed pr\u016fmyslov\u00e9 sc\u00e9n\u00e1\u0159e. Na\u0161e materi\u00e1ly podpo\u0159\u00edme v\u00edce ne\u017e 14 lety praktick\u00e9 v\u00fdroby zku\u0161enost\u00ed a p\u0159\u00edsnou kontrolou kvality ISO\/TS16949 automobilov\u00e9ho typu.<\/p>\n<ul>\n<li><strong>\u0160it\u00e1 \u0159e\u0161en\u00ed:<\/strong> Vlastn\u00ed magnetick\u00e9 n\u00e1vrhy speci\u00e1ln\u011b pro slo\u017eit\u00e9 j\u00e1dra lamina\u010dn\u00edch EV a vysoce v\u00fdkonn\u00e9 servo motory.<\/li>\n<li><strong>Automotive Standards:<\/strong> P\u0159\u00edsn\u00e1 kontrola kvality navr\u017een\u00e1 tak, aby zvl\u00e1dla masivn\u00ed protich\u016fdn\u00e1 magnetick\u00e1 pole a zabr\u00e1nila nevratn\u00e9 magnetick\u00e9 ztr\u00e1t\u011b.<\/li>\n<li><strong>Prok\u00e1zan\u00e1 spolehlivost:<\/strong> Prohl\u00e9dn\u011bte si n\u00e1\u0161 <a href=\"https:\/\/nbaem.com\/cs\/hot-pressed-magnet-data-sheet\/\">d\u00e1vek magnetu vyroben\u00fd za hork\u00e9ho tlaku<\/a> abychom zjistili p\u0159esn\u00e9 tepeln\u00e9 tolerance a z\u00e1chytn\u00e9 prahy koercivity, kter\u00fdch dosahujeme konzistentn\u011b.<\/li>\n<\/ul>\n<p>Z\u00edsk\u00e1v\u00e1n\u00edm spr\u00e1vn\u00fdch t\u0159\u00edd a aplikac\u00ed spr\u00e1vn\u00e9 struktur\u00e1ln\u00ed ochrany trvale odstran\u00edte ko\u0159eny demagnetizace v motorov\u00fdch magnetick\u00fdch stejnosm\u011brn\u00fdch motorech.<\/p>\n<div id=\"references\" class=\"min-w-0 scroll-mt-8 overflow-hidden\">\n<div class=\"text-[16px]\"><\/div>\n<div class=\"flex flex-col gap-2 text-sm leading-relaxed\">\n<div class=\"break-words text-[1em] leading-7\"><\/div>\n<\/div>\n<\/div>","protected":false},"excerpt":{"rendered":"<p>Zjist\u011bte, co m\u016f\u017ee zp\u016fsobit demagnetizaci v motoru s trval\u00fdm magnetem a jak n\u00e1vrh materi\u00e1l\u016f a chlazen\u00ed zabra\u0148uj\u00ed ztr\u00e1t\u011b magnetick\u00e9ho toku<\/p>","protected":false},"author":1,"featured_media":902,"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":[1],"tags":[],"class_list":["post-3726","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-uncategorized"],"jetpack_sharing_enabled":true,"jetpack_featured_media_url":"https:\/\/nbaem.com\/wp-content\/uploads\/2022\/07\/magnetic-rotor.png","_links":{"self":[{"href":"https:\/\/nbaem.com\/cs\/wp-json\/wp\/v2\/posts\/3726","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=3726"}],"version-history":[{"count":2,"href":"https:\/\/nbaem.com\/cs\/wp-json\/wp\/v2\/posts\/3726\/revisions"}],"predecessor-version":[{"id":3728,"href":"https:\/\/nbaem.com\/cs\/wp-json\/wp\/v2\/posts\/3726\/revisions\/3728"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/nbaem.com\/cs\/wp-json\/wp\/v2\/media\/902"}],"wp:attachment":[{"href":"https:\/\/nbaem.com\/cs\/wp-json\/wp\/v2\/media?parent=3726"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/nbaem.com\/cs\/wp-json\/wp\/v2\/categories?post=3726"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/nbaem.com\/cs\/wp-json\/wp\/v2\/tags?post=3726"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}