{"id":1570,"date":"2025-05-10T03:00:20","date_gmt":"2025-05-10T03:00:20","guid":{"rendered":"https:\/\/nbaem.com\/?p=1570"},"modified":"2025-05-10T03:00:20","modified_gmt":"2025-05-10T03:00:20","slug":"magnet-pull-force-calculator","status":"publish","type":"post","link":"https:\/\/nbaem.com\/cs\/magnet-pull-force-calculator\/","title":{"rendered":"Kalkula\u010dka s\u00edly p\u0159ita\u017elivosti magnetu"},"content":{"rendered":"<h1>Jak p\u0159esn\u00fd je kalkul\u00e1tor s\u00edly p\u0159ita\u017elivosti magnetu?<\/h1>\n\n<p>S\u00edla magnetu m\u016f\u017ee b\u00fdt p\u0159ekvapiv\u00e1. Ale jak ji m\u011b\u0159\u00edme bez drah\u00fdch laboratorn\u00edch n\u00e1stroj\u016f?<\/p>\n<p><strong>Kalkul\u00e1tor s\u00edly p\u0159ita\u017elivosti magnetu poskytuje rychl\u00fd, teoretick\u00fd odhad toho, kolik v\u00e1hy magnet m\u016f\u017ee udr\u017eet za ide\u00e1ln\u00edch podm\u00ednek.<\/strong><\/p>\n<div id=\"attachment_1574\" style=\"width: 589px\" class=\"wp-caption alignnone\"><img decoding=\"async\" aria-describedby=\"caption-attachment-1574\" class=\"wp-image-1574\" src=\"https:\/\/nbaem.com\/wp-content\/uploads\/2025\/05\/magnet-pull-force.jpg\" alt=\"s\u00edla magnetick\u00e9ho p\u0159ita\u017een\u00ed\" width=\"579\" height=\"394\" srcset=\"https:\/\/nbaem.com\/wp-content\/uploads\/2025\/05\/magnet-pull-force-200x136.jpg 200w, https:\/\/nbaem.com\/wp-content\/uploads\/2025\/05\/magnet-pull-force-300x204.jpg 300w, https:\/\/nbaem.com\/wp-content\/uploads\/2025\/05\/magnet-pull-force-400x272.jpg 400w, https:\/\/nbaem.com\/wp-content\/uploads\/2025\/05\/magnet-pull-force-600x408.jpg 600w, https:\/\/nbaem.com\/wp-content\/uploads\/2025\/05\/magnet-pull-force-768x522.jpg 768w, https:\/\/nbaem.com\/wp-content\/uploads\/2025\/05\/magnet-pull-force-800x544.jpg 800w, https:\/\/nbaem.com\/wp-content\/uploads\/2025\/05\/magnet-pull-force-1024x696.jpg 1024w, https:\/\/nbaem.com\/wp-content\/uploads\/2025\/05\/magnet-pull-force-1200x815.jpg 1200w, https:\/\/nbaem.com\/wp-content\/uploads\/2025\/05\/magnet-pull-force.jpg 1292w\" sizes=\"(max-width: 579px) 100vw, 579px\" \/><p id=\"caption-attachment-1574\" class=\"wp-caption-text\">s\u00edla magnetick\u00e9ho p\u0159ita\u017een\u00ed<\/p><\/div>\n<p>Pokud jste n\u011bkdy pot\u0159ebovali v\u011bd\u011bt, jak siln\u00fd je magnet p\u0159ed jeho koup\u00ed nebo testov\u00e1n\u00edm, je kalkul\u00e1tor s\u00edly p\u0159ita\u017elivosti skv\u011bl\u00fdm n\u00e1strojem. Ale je d\u016fle\u017eit\u00e9 pochopit, co v\u00e1m m\u016f\u017ee a co v\u00e1m nem\u016f\u017ee \u0159\u00edct.<\/p>\n<h2>Co d\u011bl\u00e1 kalkul\u00e1tor magnet\u016f?<\/h2>\n<p>N\u011bkdy si lid\u00e9 mysl\u00ed, \u017ee kalkul\u00e1tory magnet\u016f funguj\u00ed jako magie. Ale ve skute\u010dnosti se spol\u00e9haj\u00ed na v\u011bdu a p\u0159edpoklady.<\/p>\n<p><strong>Kalkul\u00e1tor odhaduje, jakou s\u00edlu je t\u0159eba k p\u0159it\u00e1hnut\u00ed magnetu p\u0159\u00edmo od tlust\u00e9, ploch\u00e9 ocelov\u00e9 plochy, za ide\u00e1ln\u00edch podm\u00ednek.<\/strong><\/p>\n<h3>Jak kalkul\u00e1tor funguje<\/h3>\n<p>S\u00edla p\u0159ita\u017een\u00ed se po\u010d\u00edt\u00e1 pomoc\u00ed vzorc\u016f zalo\u017een\u00fdch na velikosti, tvaru, t\u0159\u00edd\u011b materi\u00e1lu magnetu a na oceli, kterou dot\u00fdk\u00e1.<\/p>\n<p>Tady je, jak to funguje:<\/p>\n<ul>\n<li><strong>Pouze ploch\u00fd povrch<\/strong>: Ocel mus\u00ed b\u00fdt velk\u00e1, tlust\u00e1 a hladk\u00e1.<\/li>\n<li><strong>P\u0159\u00edm\u00fd kontakt<\/strong>: \u017d\u00e1dn\u00fd mezera mezi magnetem a ocel\u00ed, pokud nen\u00ed uvedeno jinak.<\/li>\n<li><strong>P\u0159\u00edm\u00e9 ta\u017een\u00ed<\/strong>: Magnet je ta\u017een p\u0159\u00edmo pry\u010d, nikoli pod \u00fahlem.<\/li>\n<\/ul>\n<p>Tyto p\u0159edpoklady usnad\u0148uj\u00ed srovn\u00e1n\u00ed typ\u016f magnet\u016f, ale neodr\u00e1\u017eej\u00ed ka\u017ed\u00fd re\u00e1ln\u00fd sc\u00e9n\u00e1\u0159.<\/p>\n<h3>Obvykl\u00e9 p\u0159edpoklady vstupu<\/h3>\n<table>\n<thead>\n<tr>\n<th>Parametr<\/th>\n<th>V\u00fdznam<\/th>\n<th>Pro\u010d je to d\u016fle\u017eit\u00e9<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Tvar magnetu<\/td>\n<td>Blok, v\u00e1lec, prsten atd.<\/td>\n<td>Tvar ovliv\u0148uje kontaktn\u00ed plochu a s\u00edlu<\/td>\n<\/tr>\n<tr>\n<td><span style=\"color: #ff6600;\"><a style=\"color: #ff6600;\" href=\"https:\/\/nbaem.com\/wp-content\/uploads\/2022\/06\/MAGNETIC-properties.pdf\">T\u0159\u00edda magnetu<\/a><\/span><\/td>\n<td>N35, N42, N52 atd.<\/td>\n<td>Vy\u0161\u0161\u00ed t\u0159\u00eddy jsou siln\u011bj\u0161\u00ed<\/td>\n<\/tr>\n<tr>\n<td>Rozm\u011bry<\/td>\n<td>Pr\u016fm\u011br, v\u00fd\u0161ka, d\u00e9lka, \u0161\u00ed\u0159ka<\/td>\n<td>V\u011bt\u0161\u00ed magnety obvykle p\u0159itahuj\u00ed siln\u011bji<\/td>\n<\/tr>\n<tr>\n<td>Vzd\u00e1lenost vzduchov\u00e9 mezery<\/td>\n<td>Vzd\u00e1lenost mezi magnetem a ocel\u00ed<\/td>\n<td>Dokonce i 0,1 mm v\u00fdrazn\u011b sni\u017euje s\u00edlu<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>M\u016f\u017eete tyto hodnoty zm\u011bnit, abyste teoreticky prozkoumali, jak se v\u00fdkon m\u011bn\u00ed.<\/p>\n<h2>Jak\u00e9 p\u0159edpoklady ovliv\u0148uj\u00ed p\u0159esnost?<\/h2>\n<p>Je snadn\u00e9 v\u011b\u0159it \u010d\u00edslu na obrazovce. Ale kalkula\u010dky ta\u017een\u00ed magnet\u016f nejsou dokonal\u00e9.<\/p>\n<p><strong>V\u00fdsledky p\u0159edpokl\u00e1daj\u00ed ide\u00e1ln\u00ed laboratorn\u00ed podm\u00ednky. V re\u00e1ln\u00e9m sv\u011bt\u011b m\u016f\u017ee drsnost povrchu, povlak, teplota nebo \u00fahel ta\u017een\u00ed sn\u00ed\u017eit skute\u010dnou s\u00edlu.<\/strong><\/p>\n<h3>Kdy\u017e jsou \u010d\u00edsla zav\u00e1d\u011bj\u00edc\u00ed<\/h3>\n<p>Poj\u010fme rozebrat, co \u010dasto zp\u016fsobuje chyby:<\/p>\n<h4>1. Povrchov\u00e9 nedokonalosti<\/h4>\n<p>I mal\u00e9 \u0161kr\u00e1bance nebo trochu rzi mohou sn\u00ed\u017eit dr\u017eivost o 10%\u201330%. Magnet mus\u00ed sed\u011bt t\u011bsn\u011b proti povrchu, aby dos\u00e1hl maxim\u00e1ln\u00ed s\u00edly.<\/p>\n<h4>2. Sm\u011br ta\u017een\u00ed<\/h4>\n<p>Pokud t\u00e1hnete pod \u00fahlem m\u00edsto p\u0159\u00edmo ven, pot\u0159ebn\u00e1 s\u00edla se sn\u00ed\u017e\u00ed. V mnoha re\u00e1ln\u00fdch pou\u017eit\u00edch posouv\u00e1me magnety m\u00edsto jejich p\u0159\u00edm\u00e9ho odtr\u017een\u00ed.<\/p>\n<h4>3. N\u00e1t\u011bry a vzduchov\u00e9 mezery<\/h4>\n<p>Magnety jsou \u010dasto pota\u017een\u00e9 niklem nebo epoxidem, co\u017e p\u0159id\u00e1v\u00e1 tenkou vrstvu a sni\u017euje tah. Vzduchov\u00e1 mezera pouh\u00fdch 0,5 mm m\u016f\u017ee s\u00edlu zcela sn\u00ed\u017eit na polovinu.<\/p>\n<h4>4. Typ a tlou\u0161\u0165ka oceli<\/h4>\n<p>Ne v\u0161echny oceli jsou stejn\u00e9. Nejlep\u0161\u00ed je m\u011bkk\u00e1, n\u00edzkouhl\u00edkov\u00e1 ocel. Pokud je ocel p\u0159\u00edli\u0161 tenk\u00e1, nasycen\u00ed se dos\u00e1hne a magnet nebude moci t\u00e1hnout s plnou silou.<\/p>\n<table>\n<thead>\n<tr>\n<th>Faktor z re\u00e1ln\u00e9ho sv\u011bta<\/th>\n<th>Vliv na tahovou s\u00edlu<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Rez nebo n\u00e1t\u011br na oceli<\/td>\n<td>-20% a\u017e -40%<\/td>\n<\/tr>\n<tr>\n<td>\u00dahel ta\u017een\u00ed<\/td>\n<td>-30% a\u017e -60%<\/td>\n<\/tr>\n<tr>\n<td>Vzduchov\u00e1 mezera 0,5 mm<\/td>\n<td>-50% nebo v\u00edce<\/td>\n<\/tr>\n<tr>\n<td>Tenk\u00e1 ocel (&lt;1mm)<\/td>\n<td>Omezen\u00e9 nasycen\u00ed, ni\u017e\u0161\u00ed tah<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>Jak\u00e9 vstupn\u00ed parametry mohu upravit?<\/h2>\n<p>Ka\u017ed\u00e9 pou\u017eit\u00ed magnetu je jin\u00e9. Proto v\u00e1m kalkula\u010dka umo\u017e\u0148uje vybrat z mnoha mo\u017enost\u00ed.<\/p>\n<p><strong>M\u016f\u017eete si vybrat tvar, t\u0159\u00eddu, rozm\u011bry a volitelnou vzduchovou mezeru, abyste vid\u011bli, jak ovlivn\u00ed tahovou s\u00edlu.<\/strong><\/p>\n<h3>Vysv\u011btlen\u00ed mo\u017enost\u00ed vstupu<\/h3>\n<h4>Tvar magnetu<\/h4>\n<p>Valce, disky, bloky a prstence se chovaj\u00ed odli\u0161n\u011b kv\u016fli jejich kontaktn\u00ed plo\u0161e. Velk\u00e1 ploch\u00e1 plocha pom\u00e1h\u00e1 magnetu l\u00e9pe p\u0159ilnout.<\/p>\n<h4>T\u0159\u00edda magnetu<\/h4>\n<p>Magnety vy\u0161\u0161\u00ed t\u0159\u00eddy, jako N52, jsou siln\u011bj\u0161\u00ed ne\u017e N35 nebo N42. Ale jsou tak\u00e9 dra\u017e\u0161\u00ed a k\u0159eh\u010d\u00ed.<\/p>\n<h4>Mezera<\/h4>\n<p>Toto simuluje povlaky, n\u00e1t\u011bry nebo m\u00edrn\u00e9 nesoulady. I mal\u00e1 mezera d\u011bl\u00e1 velk\u00fd rozd\u00edl. V\u017edy testujte s realistickou mezerou, pokud pl\u00e1nujete pou\u017eit\u00ed v re\u00e1ln\u00e9m prost\u0159ed\u00ed.<\/p>\n<table>\n<thead>\n<tr>\n<th>Tvar<\/th>\n<th>Typick\u00e9 pou\u017eit\u00ed<\/th>\n<th>Vliv s\u00edly<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Blok<\/td>\n<td>Upevn\u011bn\u00ed, dr\u017e\u00e1ky<\/td>\n<td>Vysok\u00e1 kontaktn\u00ed plocha<\/td>\n<\/tr>\n<tr>\n<td>Disk<\/td>\n<td>DIY, \u0159emesla<\/td>\n<td>Dobr\u00e1 univerz\u00e1ln\u00ed volba<\/td>\n<\/tr>\n<tr>\n<td>Prsten<\/td>\n<td>Senzory, rota\u010dn\u00ed n\u00e1stroje<\/td>\n<td>Specializovan\u00e9 pou\u017eit\u00ed<\/td>\n<\/tr>\n<tr>\n<td>Valec<\/td>\n<td>Tla\u010den\u00ed\/tahov\u00e9 aplikace<\/td>\n<td>Vysok\u00e1 tahov\u00e1 s\u00edla<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>Co skute\u010dn\u011b znamen\u00e1 v\u00fdsledek?<\/h2>\n<p>Mnoho u\u017eivatel\u016f pova\u017euje \u010d\u00edslo na kalkula\u010dce za skute\u010dn\u00fd limit magnetu v praxi. Ale to je jen \u010d\u00e1st p\u0159\u00edb\u011bhu.<\/p>\n<p><strong>Kalkula\u010dka ukazuje teoretickou maxim\u00e1ln\u00ed s\u00edlu dr\u017een\u00ed \u2014 obvykle mnohem vy\u0161\u0161\u00ed, ne\u017e co uvid\u00edte v praxi.<\/strong><\/p>\n<div id=\"attachment_1575\" style=\"width: 692px\" class=\"wp-caption alignnone\"><img decoding=\"async\" aria-describedby=\"caption-attachment-1575\" class=\"wp-image-1575\" src=\"https:\/\/nbaem.com\/wp-content\/uploads\/2025\/05\/Magnet-Pull-Force-Calculator-1024x319.jpg\" alt=\"Magnetick\u00e9 kalkula\u010dky\" width=\"682\" height=\"212\" srcset=\"https:\/\/nbaem.com\/wp-content\/uploads\/2025\/05\/Magnet-Pull-Force-Calculator-200x62.jpg 200w, https:\/\/nbaem.com\/wp-content\/uploads\/2025\/05\/Magnet-Pull-Force-Calculator-300x93.jpg 300w, https:\/\/nbaem.com\/wp-content\/uploads\/2025\/05\/Magnet-Pull-Force-Calculator-400x124.jpg 400w, https:\/\/nbaem.com\/wp-content\/uploads\/2025\/05\/Magnet-Pull-Force-Calculator-600x187.jpg 600w, https:\/\/nbaem.com\/wp-content\/uploads\/2025\/05\/Magnet-Pull-Force-Calculator-768x239.jpg 768w, https:\/\/nbaem.com\/wp-content\/uploads\/2025\/05\/Magnet-Pull-Force-Calculator-800x249.jpg 800w, https:\/\/nbaem.com\/wp-content\/uploads\/2025\/05\/Magnet-Pull-Force-Calculator-1024x319.jpg 1024w, https:\/\/nbaem.com\/wp-content\/uploads\/2025\/05\/Magnet-Pull-Force-Calculator-1200x373.jpg 1200w, https:\/\/nbaem.com\/wp-content\/uploads\/2025\/05\/Magnet-Pull-Force-Calculator-1536x478.jpg 1536w\" sizes=\"(max-width: 682px) 100vw, 682px\" \/><p id=\"caption-attachment-1575\" class=\"wp-caption-text\">Kalkula\u010dka s\u00edly p\u0159ita\u017elivosti magnetu<\/p><\/div>\n<h3>Pro\u010d m\u016f\u017ee b\u00fdt skute\u010dn\u00e1 ta\u017en\u00e1 s\u00edla ni\u017e\u0161\u00ed<\/h3>\n<p>Skute\u010dn\u00e1 pou\u017eiteln\u00e1 s\u00edla dr\u017een\u00ed z\u00e1vis\u00ed na tom, jak je magnet namontov\u00e1n, na \u010dem se dr\u017e\u00ed, a na tom, kolik je zapojeno smykov\u00e9 s\u00edly.<\/p>\n<p>Nap\u0159\u00edklad ta\u017en\u00e1 s\u00edla 20 lb m\u016f\u017ee v bo\u010dn\u00edm posuvu dr\u017eet pouze 5\u201310 lb.<\/p>\n<p>Tak\u00e9 n\u00e1raz nebo vibrace mohou magnety uvolnit, i kdy\u017e kalkula\u010dka uv\u00e1d\u00ed, \u017ee s\u00edla je siln\u00e1.<\/p>\n<p>Zde je hrub\u00fd pr\u016fvodce:<\/p>\n<table>\n<thead>\n<tr>\n<th>Odhadovan\u00e1 ta\u017en\u00e1 s\u00edla<\/th>\n<th>Praktick\u00e9 pou\u017eit\u00ed - dr\u017e\u00edc\u00ed v\u00e1ha<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>5 lb<\/td>\n<td>1\u20132 lb<\/td>\n<\/tr>\n<tr>\n<td>20 lb<\/td>\n<td>5\u201310 lb<\/td>\n<\/tr>\n<tr>\n<td>50 lb<\/td>\n<td>15\u201325 lb<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>Jak kalkul\u00e1tor funguje?<\/h2>\n<p>Lid\u00e9 se \u010dasto ptaj\u00ed, zda kalkula\u010dka pou\u017e\u00edv\u00e1 skute\u010dn\u00e1 data. Nepou\u017e\u00edv\u00e1 v\u00fdsledky fyzik\u00e1ln\u00edch test\u016f \u2014 pou\u017e\u00edv\u00e1 matematiku.<\/p>\n<p><strong>Pou\u017e\u00edv\u00e1 standardn\u00ed rovnice magnetick\u00e9 s\u00edly k odhadu ta\u017en\u00e9 s\u00edly na z\u00e1klad\u011b zadan\u00fdch hodnot.<\/strong><\/p>\n<div id=\"attachment_1576\" style=\"width: 705px\" class=\"wp-caption alignnone\"><img decoding=\"async\" aria-describedby=\"caption-attachment-1576\" class=\"wp-image-1576\" src=\"https:\/\/nbaem.com\/wp-content\/uploads\/2025\/05\/Magnetic-force-equations-for-magnets-1024x273.jpg\" alt=\"Rovnice magnetick\u00e9 s\u00edly pro magnety\" width=\"695\" height=\"185\" srcset=\"https:\/\/nbaem.com\/wp-content\/uploads\/2025\/05\/Magnetic-force-equations-for-magnets-200x53.jpg 200w, https:\/\/nbaem.com\/wp-content\/uploads\/2025\/05\/Magnetic-force-equations-for-magnets-300x80.jpg 300w, https:\/\/nbaem.com\/wp-content\/uploads\/2025\/05\/Magnetic-force-equations-for-magnets-400x107.jpg 400w, https:\/\/nbaem.com\/wp-content\/uploads\/2025\/05\/Magnetic-force-equations-for-magnets-600x160.jpg 600w, https:\/\/nbaem.com\/wp-content\/uploads\/2025\/05\/Magnetic-force-equations-for-magnets-768x205.jpg 768w, https:\/\/nbaem.com\/wp-content\/uploads\/2025\/05\/Magnetic-force-equations-for-magnets-800x213.jpg 800w, https:\/\/nbaem.com\/wp-content\/uploads\/2025\/05\/Magnetic-force-equations-for-magnets-1024x273.jpg 1024w, https:\/\/nbaem.com\/wp-content\/uploads\/2025\/05\/Magnetic-force-equations-for-magnets-1200x320.jpg 1200w, https:\/\/nbaem.com\/wp-content\/uploads\/2025\/05\/Magnetic-force-equations-for-magnets-1536x409.jpg 1536w, https:\/\/nbaem.com\/wp-content\/uploads\/2025\/05\/Magnetic-force-equations-for-magnets.jpg 1756w\" sizes=\"(max-width: 695px) 100vw, 695px\" \/><p id=\"caption-attachment-1576\" class=\"wp-caption-text\">Rovnice magnetick\u00e9 s\u00edly<\/p><\/div>\n<h3>Jak se po\u010d\u00edt\u00e1 ta\u017en\u00e1 s\u00edla<\/h3>\n<p>S\u00edlu mezi magnetem a ocelovou deskou lze odhadnout pomoc\u00ed vzorce:<\/p>\n<blockquote><p>F = (B\u00b2 \u00d7 A) \/ (2 \u00d7 \u03bc\u2080)<\/p><\/blockquote>\n<p>Kde:<\/p>\n<ul>\n<li><strong>F<\/strong> = Tahov\u00e1 s\u00edla<\/li>\n<li><strong>B<\/strong> = Magnetick\u00e1 indukce<\/li>\n<li><strong>A<\/strong> = Plocha kontaktu<\/li>\n<li><strong>\u03bc\u2080<\/strong> = Permeabilita voln\u00e9ho prostoru<\/li>\n<\/ul>\n<p>Tento vzorec p\u0159edpokl\u00e1d\u00e1:<\/p>\n<ul>\n<li>Jednotn\u00e9 pole<\/li>\n<li>Dokonal\u00fd kontakt<\/li>\n<li>\u017d\u00e1dn\u00e9 vzduchov\u00e9 mezery<\/li>\n<li>Pln\u00e9 nasycen\u00ed oceli<\/li>\n<\/ul>\n<p>Jin\u00fdmi slovy, jedn\u00e1 se o nejlep\u0161\u00ed mo\u017en\u00fd sc\u00e9n\u00e1\u0159, nikoli z\u00e1ruku.<\/p>\n<h2>Kde se mohu dozv\u011bd\u011bt v\u00edce?<\/h2>\n<p>Nemus\u00edte b\u00fdt fyzikem, abyste pochopili s\u00edlu magnetu. Pokud chcete j\u00edt hloub\u011bji, existuje mnoho u\u017eite\u010dn\u00fdch zdroj\u016f.<\/p>\n<p><strong>Str\u00e1nka kalkula\u010dky odkazuje na \u010casto kladen\u00e9 ot\u00e1zky, technick\u00e9 pr\u016fvodce a n\u00e1vrhy produkt\u016f p\u0159izp\u016fsoben\u00e9 r\u016fzn\u00fdm tvar\u016fm a t\u0159\u00edd\u00e1m magnet\u016f.<\/strong><\/p>\n<h3>U\u017eite\u010dn\u00e9 odkazy od K&amp;J Magnetics<\/h3>\n<ul>\n<li><span style=\"color: #ff6600;\"><a style=\"color: #ff6600;\" href=\"https:\/\/www.kjmagnetics.com\/magnet-strength-calculator.asp?srsltid=AfmBOorGgZ5KYiiaaml-zgKZ7WXlw_ltf6vIP_uwhJwIVWcLYidzW44G\" rel=\"noopener\">\u010casto kladen\u00e9 ot\u00e1zky: S\u00edla magnetu<\/a><\/span><\/li>\n<li><span style=\"color: #ff6600;\"><a style=\"color: #ff6600;\" href=\"https:\/\/www.kjmagnetics.com\/category\/neodymium-magnets\" rel=\"noopener\">Porovn\u00e1n\u00ed tvar\u016f magnet\u016f<\/a><\/span><\/li>\n<li><span style=\"color: #ff6600;\"><a style=\"color: #ff6600;\" href=\"https:\/\/www.kjmagnetics.com\/blog\/what-magnet-coating-should-i-use\" rel=\"noopener\">N\u00e1t\u011bry a materi\u00e1ly magnet\u016f<\/a><\/span><\/li>\n<\/ul>\n<p>V\u017edy doporu\u010duji testovat magnety za va\u0161ich specifick\u00fdch podm\u00ednek. Pou\u017eijte kalkula\u010dku pro pl\u00e1nov\u00e1n\u00ed, ale ov\u011b\u0159te v\u00fdsledky v re\u00e1ln\u00e9m prost\u0159ed\u00ed.<\/p>\n<h2>Z\u00e1v\u011br<\/h2>\n<p>Magnetick\u00e9 kalkula\u010dky jsou skv\u011bl\u00e9 n\u00e1stroje pro odhady, ale jedin\u011b testov\u00e1n\u00ed v\u00e1m d\u00e1 jistotu.<\/p>","protected":false},"excerpt":{"rendered":"<p>Jak p\u0159esn\u00fd je kalkul\u00e1tor s\u00edly p\u0159ita\u017elivosti magnetu? S\u00edla magnetu m\u016f\u017ee b\u00fdt p\u0159ekvapiv\u00e1. Ale jak ji zm\u011b\u0159it bez drah\u00fdch laboratorn\u00edch p\u0159\u00edstroj\u016f? Kalkul\u00e1tor s\u00edly p\u0159ita\u017elivosti magnetu poskytuje rychl\u00fd, teoretick\u00fd odhad, kolik v\u00e1hy m\u016f\u017ee magnet udr\u017eet za ide\u00e1ln\u00edch podm\u00ednek. Pokud jste n\u011bkdy pot\u0159ebovali v\u011bd\u011bt [\u2026]<\/p>","protected":false},"author":1,"featured_media":1574,"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-1570","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-uncategorized"],"jetpack_featured_media_url":"https:\/\/nbaem.com\/wp-content\/uploads\/2025\/05\/magnet-pull-force.jpg","_links":{"self":[{"href":"https:\/\/nbaem.com\/cs\/wp-json\/wp\/v2\/posts\/1570","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=1570"}],"version-history":[{"count":9,"href":"https:\/\/nbaem.com\/cs\/wp-json\/wp\/v2\/posts\/1570\/revisions"}],"predecessor-version":[{"id":1582,"href":"https:\/\/nbaem.com\/cs\/wp-json\/wp\/v2\/posts\/1570\/revisions\/1582"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/nbaem.com\/cs\/wp-json\/wp\/v2\/media\/1574"}],"wp:attachment":[{"href":"https:\/\/nbaem.com\/cs\/wp-json\/wp\/v2\/media?parent=1570"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/nbaem.com\/cs\/wp-json\/wp\/v2\/categories?post=1570"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/nbaem.com\/cs\/wp-json\/wp\/v2\/tags?post=1570"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}