I s v\u00fdkonn\u00fdmi magnetick\u00fdmi materi\u00e1ly, jako jsou NdFeB a SmCo, je nemo\u017en\u00e9 vynechat obr\u00e1b\u011bn\u00ed. Tady je pro\u010d \u2014 a jak k tomu p\u0159istupuji s klienty v magnetov\u00e9m pr\u016fmyslu.<\/p>\n
Co je to obr\u00e1b\u011bn\u00ed magnet\u016f?<\/h2>\n
Obr\u00e1b\u011bn\u00ed magnet\u016f nelze ignorovat. V\u011bt\u0161ina magnet\u016f se ned\u00e1 tvarovat nebo lisovat do jejich kone\u010dn\u00e9ho tvaru, zejm\u00e9na sinterovan\u00e9 vz\u00e1cn\u00e9 zeminy.<\/p>\n
Obr\u00e1b\u011bn\u00ed magnet\u016f ozna\u010duje proces \u00fapravy tvaru, velikosti a povrchu magnet\u016f pomoc\u00ed metod jako \u0159ez\u00e1n\u00ed, brou\u0161en\u00ed nebo vrt\u00e1n\u00ed, aby se dos\u00e1hlo p\u0159esn\u00fdch rozm\u011br\u016f.<\/strong> V\u00edcen\u00e1sobn\u00e9 \u0159ez\u00e1n\u00ed dr\u00e1tem<\/p><\/div><\/p>\n Magnety vz\u00e1cn\u00fdch zemin, jako je sinterovan\u00e9 NdFeB, jsou velmi tvrd\u00e9, ale tak\u00e9 k\u0159ehk\u00e9. B\u011bhem stla\u010dov\u00e1n\u00ed a sinterov\u00e1n\u00ed nem\u016f\u017eeme p\u0159esn\u011b kontrolovat tvar. Bloky magnet\u016f vych\u00e1zej\u00ed hrub\u00e9, v\u011bt\u0161\u00ed a \u010dasto s mezerami v toleranci.<\/p>\n Pr\u00e1v\u011b zde p\u0159ich\u00e1z\u00ed na \u0159adu obr\u00e1b\u011bn\u00ed. Bez n\u011bj nem\u016f\u017eete splnit p\u0159\u00edsn\u00e9 rozm\u011brov\u00e9 po\u017eadavky, kter\u00e9 jsou kl\u00ed\u010dov\u00e9 v odv\u011btv\u00edch jako motory, senzory a zdravotnick\u00e1 za\u0159\u00edzen\u00ed.<\/p>\n Ka\u017ed\u00e1 metoda m\u00e1 sv\u016fj vlastn\u00ed \u00fa\u010del v z\u00e1vislosti na typu materi\u00e1lu, slo\u017eitosti tvaru a po\u017eadovan\u00e9 p\u0159esnosti.<\/p>\n Obr\u00e1b\u011bn\u00ed magnet\u016f nen\u00ed jako obr\u00e1b\u011bn\u00ed oceli nebo plastu. Vy\u017eaduje zvl\u00e1\u0161tn\u00ed p\u00e9\u010di kv\u016fli vlastnostem magnetick\u00e9ho materi\u00e1lu.<\/p>\n Magnety se obr\u00e1b\u011bj\u00ed pomoc\u00ed n\u00e1stroj\u016f jako diamantov\u00e9 nebo CBN kotou\u010de. Metoda z\u00e1vis\u00ed na typu magnetu, tvaru a pou\u017eit\u00ed. P\u0159esnost a p\u00e9\u010de jsou kl\u00ed\u010dov\u00e9.<\/strong><\/p>\n Pou\u017e\u00edv\u00e1me diamantov\u00e9 nebo CBN pota\u017een\u00e9 no\u017ee. Tlou\u0161\u0165ka no\u017ee, rychlost a posuv ovliv\u0148uj\u00ed kvalitu a kone\u010dnou toleranci.<\/p>\n Podtypy:<\/strong><\/p>\n Tyto metody jsou skv\u011bl\u00e9 pro v\u00fdrobu slo\u017eit\u00fdch tvar\u016f. \u0158ez\u00e1n\u00ed dr\u00e1tem EDM a lasery poskytuj\u00ed p\u0159esn\u00e9 v\u00fdsledky, ale jsou pomalej\u0161\u00ed a dra\u017e\u0161\u00ed. Obvykle je doporu\u010duji pro mal\u00e9 s\u00e9rie nebo vysoce p\u0159esn\u00e9 d\u00edly.<\/p>\n Toto je z\u00e1kladn\u00ed metoda pro \u0159ez\u00e1n\u00ed tenk\u00fdch pl\u00e1tk\u016f nebo jemn\u00fdch tvar\u016f s minim\u00e1ln\u00edm po\u0161kozen\u00edm.<\/p>\n Magnety s vnit\u0159n\u00edmi otvory\u2014zejm\u00e9na kruhov\u00e9 a obloukov\u00e9 typy\u2014\u010dasto vy\u017eaduj\u00ed vrt\u00e1n\u00ed po sinterov\u00e1n\u00ed.<\/p>\n Typy vrt\u00e1n\u00ed:<\/strong><\/p>\n Tento krok zaji\u0161\u0165uje rovinnost povrchu, p\u0159esn\u00e9 tolerance a estetick\u00fd vzhled.<\/p>\n Typy brou\u0161en\u00ed:<\/strong><\/p>\n Pro v\u011bt\u0161inu m\u00fdch z\u00e1kazn\u00edk\u016f je brou\u0161en\u00ed nej\u010dast\u011bj\u0161\u00edm krokem obr\u00e1b\u011bn\u00ed, zejm\u00e9na p\u0159i v\u00fdrob\u011b magnet\u016f pro motory nebo senzory.<\/p>\n N\u011bkte\u0159\u00ed z\u00e1kazn\u00edci po\u017eaduj\u00ed bezpe\u010dn\u00e9 hrany\u2014zejm\u00e9na v sestav\u00e1ch, kter\u00e9 zahrnuj\u00ed manipulaci. Vypou\u0161t\u011bn\u00ed pom\u00e1h\u00e1 odstranit ostr\u00e9 hrany, \u010d\u00edm\u017e je mont\u00e1\u017e bezpe\u010dn\u011bj\u0161\u00ed a ergonomi\u010dt\u011bj\u0161\u00ed.<\/p>\n Mnoho lid\u00ed zam\u011b\u0148uje v\u00fdrobu magnet\u016f s obr\u00e1b\u011bn\u00edm magnet\u016f. Jedn\u00e1 se o odli\u0161n\u00e9 kroky v procesu.<\/p>\n V\u00fdroba magnet\u016f zahrnuje v\u0161echny f\u00e1ze od surov\u00e9ho pr\u00e1\u0161ku po fin\u00e1ln\u00ed magnetick\u00fd komponent, v\u010detn\u011b stla\u010dov\u00e1n\u00ed, sintrov\u00e1n\u00ed a n\u011bkdy i obr\u00e1b\u011bn\u00ed.<\/strong> Obr\u00e1b\u011bn\u00ed prob\u00edh\u00e1 po sintrov\u00e1n\u00ed a p\u0159ed povrchovou \u00fapravou. Proto je volba spr\u00e1vn\u00e9ho zp\u016fsobu obr\u00e1b\u011bn\u00ed kl\u00ed\u010dov\u00e1\u2014zejm\u00e9na pokud jsou sou\u010d\u00e1st\u00ed povrchov\u00e9 vrstvy jako Ni-Cu-Ni nebo epoxid. Nespr\u00e1vn\u00e9 obr\u00e1b\u011bn\u00ed m\u016f\u017ee po\u0161kodit povrch, co\u017e povede k \u0161patn\u00e9 p\u0159ilnavosti nebo korozi.<\/p>\n Obr\u00e1b\u011bn\u00e9 magnety jsou nezbytn\u00e9 v modern\u00edm stroj\u00edrenstv\u00ed. T\u00e9m\u011b\u0159 ka\u017ed\u00fd elektromechanick\u00fd syst\u00e9m je pou\u017e\u00edv\u00e1.<\/p>\n Magnety v stroj\u00edch p\u0159em\u011b\u0148uj\u00ed elektrickou energii na pohyb, detekuj\u00ed polohu nebo dr\u017e\u00ed sou\u010d\u00e1sti. P\u0159esn\u011b obr\u00e1b\u011bn\u00e9 magnety umo\u017e\u0148uj\u00ed kompaktn\u00ed a vysoce v\u00fdkonn\u00e9 syst\u00e9my.<\/strong> fotografie bezd\u0159evov\u00e9ho motoru od n\u00e1vrh\u016f Assun Motor<\/p><\/div><\/p>\n Motory s permanentn\u00edmi magnety pot\u0159ebuj\u00ed magnety s p\u0159esn\u00fdmi tvary, aby vyv\u00e1\u017eily dynamiku rotoru. V\u011bt\u0161ina rotor\u016f pou\u017e\u00edv\u00e1 obloukov\u00e9 magnety, kter\u00e9 brous\u00edme s p\u0159esnou toleranc\u00ed.<\/p>\n Hallovy senzory pou\u017e\u00edvaj\u00ed mal\u00e9 magnety, kter\u00e9 mus\u00ed p\u0159esn\u011b pasovat do pouzder. I n\u011bkolik mikron\u016f nesouladu m\u016f\u017ee ovlivnit v\u00fdkon.<\/p>\n MRI p\u0159\u00edstroje, chirurgick\u00e9 n\u00e1stroje a \u010derpadla pou\u017e\u00edvaj\u00ed mal\u00e9 zak\u00e1zkov\u00e9 magnety. Ty mus\u00ed b\u00fdt brou\u0161eny a vrt\u00e1ny s vysokou p\u0159esnost\u00ed a bez ot\u0159ep\u016f.<\/p>\n Vesm\u00edrn\u00e9 a robotick\u00e9 aplikace vy\u017eaduj\u00ed lehk\u00e9 a v\u00fdkonn\u00e9 magnetick\u00e9 sestavy. Obr\u00e1b\u00edme je podle p\u0159esn\u00fdch specifikac\u00ed, aby byla zaji\u0161t\u011bna v\u00fdkonnost a bezpe\u010dnost.<\/p>\n Bondovan\u00e9 magnety, nap\u0159\u00edklad vst\u0159ikovan\u00e9, pot\u0159ebuj\u00ed pouze drobn\u00e9 \u00fapravy. Ale magnety vst\u0159ikovan\u00e9 pod tlakem st\u00e1le vy\u017eaduj\u00ed brou\u0161en\u00ed, zejm\u00e9na pokud je po\u017eadov\u00e1na p\u0159esn\u00e1 v\u00fd\u0161ka nebo rovinnost.<\/p>\n Obr\u00e1b\u011bn\u00ed magnet\u016f je kl\u00ed\u010dov\u00fdm krokem pro zaji\u0161t\u011bn\u00ed v\u00fdkonu a spr\u00e1vn\u00e9ho tvaru. P\u0159em\u011b\u0148uje surov\u00e9 magnetick\u00e9 bloky na p\u0159esn\u00e9, pou\u017eiteln\u00e9 sou\u010d\u00e1sti.<\/p>","protected":false},"excerpt":{"rendered":" Obr\u00e1b\u011bn\u00ed magnet\u016f: Jak jsou magnety p\u0159esn\u011b tvarov\u00e1ny? Mnoho lid\u00ed si mysl\u00ed, \u017ee magnety jsou tvarov\u00e1ny pouze jednou b\u011bhem v\u00fdroby \u2013 ale nen\u00ed to tak. V\u011bt\u0161ina magnet\u016f, zejm\u00e9na vz\u00e1cn\u00fdch zemin, vy\u017eaduje pe\u010dliv\u00e9 obr\u00e1b\u011bn\u00ed, aby dos\u00e1hly sv\u00e9 kone\u010dn\u00e9 velikosti a tolerance. Obr\u00e1b\u011bn\u00ed magnet\u016f ze vz\u00e1cn\u00fdch zemin je nezbytn\u00e9, proto\u017ee jejich tvrd\u00e1 a k\u0159ehk\u00e1 povaha br\u00e1n\u00ed [\u2026]<\/p>","protected":false},"author":1,"featured_media":1489,"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-1487","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-uncategorized"],"jetpack_featured_media_url":"https:\/\/nbaem.com\/wp-content\/uploads\/2025\/03\/Multiple-Diamond-Wire-Saw-scaled.jpg","_links":{"self":[{"href":"https:\/\/nbaem.com\/cs\/wp-json\/wp\/v2\/posts\/1487","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=1487"}],"version-history":[{"count":3,"href":"https:\/\/nbaem.com\/cs\/wp-json\/wp\/v2\/posts\/1487\/revisions"}],"predecessor-version":[{"id":1492,"href":"https:\/\/nbaem.com\/cs\/wp-json\/wp\/v2\/posts\/1487\/revisions\/1492"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/nbaem.com\/cs\/wp-json\/wp\/v2\/media\/1489"}],"wp:attachment":[{"href":"https:\/\/nbaem.com\/cs\/wp-json\/wp\/v2\/media?parent=1487"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/nbaem.com\/cs\/wp-json\/wp\/v2\/categories?post=1487"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/nbaem.com\/cs\/wp-json\/wp\/v2\/tags?post=1487"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}
\n![\"V\u00edcen\u00e1sobn\u00e9](\"https:\/\/nbaem.com\/wp-content\/uploads\/2025\/03\/Multiple-Diamond-Wire-Saw-scaled.jpg\")
Pro\u010d nem\u016f\u017eeme obr\u00e1b\u011bn\u00ed vynechat?<\/h3>\n
Jak\u00e9 jsou hlavn\u00ed techniky obr\u00e1b\u011bn\u00ed?<\/h3>\n
\n\n
\n \nMetoda obr\u00e1b\u011bn\u00ed<\/th>\n Pou\u017eit\u00e9 n\u00e1stroje<\/th>\n B\u011b\u017en\u00e9 pou\u017eit\u00ed<\/th>\n<\/tr>\n<\/thead>\n \n \u0158ez\u00e1n\u00ed<\/td>\n Diamantov\u00e9\/CBN \u010depele, dr\u00e1tov\u00e9 pily<\/td>\n O\u0159ez\u00e1v\u00e1n\u00ed velk\u00fdch blok\u016f na men\u0161\u00ed<\/td>\n<\/tr>\n \n Vrt\u00e1n\u00ed<\/td>\n Diamantov\u00e9 bity, lasery, ultrazvuk<\/td>\n Vytv\u00e1\u0159en\u00ed d\u011br v kruhov\u00fdch\/obloukov\u00fdch magnetech<\/td>\n<\/tr>\n \n Brusen\u00ed<\/td>\n Brusn\u00e9 kotou\u010de na resinov\u00e9 nebo kovov\u00e9 brusky<\/td>\n Dosahov\u00e1n\u00ed rovinnosti a p\u0159esnosti povrchu<\/td>\n<\/tr>\n \n Vypou\u0161t\u011bn\u00ed<\/td>\n Tumbleri na za\u010di\u0161\u0165ov\u00e1n\u00ed hran<\/td>\n Zaoblen\u00ed hran pro zv\u00fd\u0161en\u00ed bezpe\u010dnosti<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n Jak obr\u00e1b\u00edte magnety?<\/h2>\n
1. \u0158ezac\u00ed techniky<\/h3>\n
\u0158ez\u00e1n\u00ed no\u017eem<\/h4>\n
\n
\u0158ez\u00e1n\u00ed dr\u00e1tem a laserov\u00e9 \u0159ez\u00e1n\u00ed<\/h4>\n
\u0158ez\u00e1n\u00ed \u0159et\u011bzovou pilou<\/h4>\n
2. Techniky vrt\u00e1n\u00ed<\/h3>\n
\n
3. Brusi\u010dsk\u00e9 techniky<\/h3>\n
\n
4. Vypou\u0161t\u011bn\u00ed \/ Zaoblen\u00ed hran<\/h3>\n
Co je v\u00fdroba magnet\u016f?<\/h2>\n
\n![\"\"](\"https:\/\/nbaem.com\/wp-content\/uploads\/2025\/03\/Magnet-process-flow.jpg\")
<\/p>\nHlavn\u00ed f\u00e1ze v\u00fdroby<\/h3>\n
\n\n
\n \nF\u00e1ze<\/th>\n Popis<\/th>\n<\/tr>\n<\/thead>\n \n P\u0159\u00edprava pr\u00e1\u0161ku<\/td>\n M\u00edch\u00e1n\u00ed vz\u00e1cn\u00fdch zemin a mlet\u00ed na jemn\u00fd pr\u00e1\u0161ek<\/td>\n<\/tr>\n \n Tla\u010den\u00ed<\/td>\n Zhutn\u011bn\u00ed pr\u00e1\u0161ku pod magnetick\u00fdm polem<\/td>\n<\/tr>\n \n Sinterov\u00e1n\u00ed<\/td>\n Taven\u00ed za vakua nebo inertn\u00edho plynu k vytvo\u0159en\u00ed pevn\u00e9ho magnetu<\/td>\n<\/tr>\n \n Obr\u00e1b\u011bn\u00ed<\/td>\n \u0158ez\u00e1n\u00ed, vrt\u00e1n\u00ed a brou\u0161en\u00ed na fin\u00e1ln\u00ed tvar a tolerance<\/td>\n<\/tr>\n \n Povrchov\u00e1 \u00faprava<\/td>\n Nan\u00e1\u0161en\u00ed ochrann\u00fdch vrstev jako Ni, Zn nebo epoxid<\/td>\n<\/tr>\n \n Magnetizace<\/td>\n Vystaven\u00ed hotov\u00e9ho d\u00edlu siln\u00e9mu magnetick\u00e9mu poli<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n Jak se magnety pou\u017e\u00edvaj\u00ed v stroj\u00edrenstv\u00ed?<\/h2>\n
\n![\"bezj\u00e1drov\u00fd](\"https:\/\/nbaem.com\/wp-content\/uploads\/2025\/03\/coreless-brushed-DC-motor-1024x725-1.png\")
Kam sm\u011b\u0159uj\u00ed obr\u00e1b\u011bn\u00e9 magnety?<\/h3>\n
1. Motory<\/h4>\n
2. Senzory<\/h4>\n
3. L\u00e9ka\u0159sk\u00e9 p\u0159\u00edstroje<\/h4>\n
4. Leteck\u00fd pr\u016fmysl a robotika<\/h4>\n
Zv\u00e1\u017een\u00ed typu magnetu<\/h3>\n
\n\n
\n \nTyp magnetu<\/th>\n Pot\u0159eba obr\u00e1b\u011bn\u00ed<\/th>\n Pozn\u00e1mky<\/th>\n<\/tr>\n<\/thead>\n \n Sinterovan\u00e9 NdFeB<\/td>\n Vysok\u00e1<\/td>\n Velmi k\u0159ehk\u00e9, vy\u017eaduj\u00ed diamantov\u00e9 n\u00e1stroje<\/td>\n<\/tr>\n \n SmCo<\/td>\n St\u0159edn\u00ed a\u017e vysok\u00e1<\/td>\n Stabiln\u00ed, ale tvrd\u00e9<\/td>\n<\/tr>\n \n Laminovan\u00e9 magnety<\/td>\n N\u00edzk\u00e1 a\u017e st\u0159edn\u00ed<\/td>\n \u010casto bl\u00edzko k fin\u00e1ln\u00edmu tvaru, m\u00e9n\u011b obr\u00e1b\u011bn\u00ed je pot\u0159eba<\/td>\n<\/tr>\n \n Ferrit<\/td>\n M\u00edrn\u00e1<\/td>\n Ni\u017e\u0161\u00ed n\u00e1klady, lze obr\u00e1b\u011bt standardn\u00edmi n\u00e1stroji<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n Z\u00e1v\u011br<\/h2>\n