{"id":1603,"date":"2021-01-20T10:32:29","date_gmt":"2021-01-20T09:32:29","guid":{"rendered":"https:\/\/www.redhillballs.com\/?page_id=1603"},"modified":"2025-09-30T17:00:55","modified_gmt":"2025-09-30T15:00:55","slug":"safirove-kulicky","status":"publish","type":"page","link":"https:\/\/www.redhillballs.com\/cs\/produkty\/rubinove-a-safirove-kulicky\/safirove-kulicky\/","title":{"rendered":"Saf\u00edrov\u00e9 Kuli\u010dky"},"content":{"rendered":"<h2>\ud83d\udee0\ufe0f <a href=\"https:\/\/en.wikipedia.org\/wiki\/Corundum\">Saf\u00edrov\u00e9 kuli\u010dky \u2013 Vysoce v\u00fdkonn\u00e9 p\u0159esn\u00e9 komponenty<\/a><\/h2>\n<p>Saf\u00edrov\u00e9 kuli\u010dky jsou precizn\u011b vyr\u00e1b\u011bn\u00e9 sf\u00e9ry ze syntetick\u00e9ho saf\u00edru (Al\u2082O\u2083), krystalick\u00e9 formy korundu. D\u00edky mimo\u0159\u00e1dn\u00e9 tvrdosti \u2013 hned po diamantu \u2013 nab\u00edzej\u00ed vynikaj\u00edc\u00ed odolnost proti opot\u0159eben\u00ed, rozm\u011brovou stabilitu a tepelnou odolnost. Jejich jedine\u010dn\u00e9 vlastnosti je \u010din\u00ed nepostradateln\u00fdmi v aplikac\u00edch vy\u017eaduj\u00edc\u00edch trvanlivost a p\u0159esnost, jako je letectv\u00ed, biomedic\u00ednsk\u00e1 instrumentace a vysok\u00e9 vakuum.<\/p>\n<h3>\ud83d\udd27 Kl\u00ed\u010dov\u00e9 technick\u00e9 specifikace<\/h3>\n<ul>\n<li><strong>Krystalov\u00e1 struktura<\/strong>: Monokrystalick\u00fd hexagon\u00e1ln\u011b-romboedrick\u00fd<\/li>\n<li><strong>Slo\u017een\u00ed<\/strong>: Al\u2082O\u2083 (syntetick\u00fd saf\u00edr)<\/li>\n<li><strong>\u010cistota<\/strong>: 99,99 %<\/li>\n<li><strong>Hustota<\/strong>: ~3,99 g\/cm\u00b3<\/li>\n<li><strong>Mohsova tvrdost<\/strong>: 9<\/li>\n<li><strong>Knoopova tvrdost<\/strong>: ~2200 (osa C), ~1800 (kolmo na osu C)<\/li>\n<li><strong>Young\u016fv modul<\/strong>: ~440 GPa<\/li>\n<li><strong>Bod t\u00e1n\u00ed<\/strong>: ~2050 \u00b0C<\/li>\n<li><strong>Tepeln\u00e1 vodivost<\/strong>: ~40 W\/m\u00b7K p\u0159i 300 K<\/li>\n<li><strong>Sou\u010dinitel tepeln\u00e9 rozta\u017enosti<\/strong>: 6,2 \u00d7 10\u207b\u2076 \/\u00b0C (rovnob\u011b\u017en\u011b s osou C), 5,4 \u00d7 10\u207b\u2076 \/\u00b0C (kolmo na osu C)<\/li>\n<li><strong>Elektrick\u00e1 rezistivita<\/strong>: &gt;10\u00b9\u00b2 \u03a9\u00b7cm (izolant)<\/li>\n<li><strong>Dielektrick\u00e1 konstanta<\/strong>: 10,6 (rovnob\u011b\u017en\u011b s osou C), 8,6 (kolmo na osu C)<\/li>\n<\/ul>\n<h3>\u2705 V\u00fdhody<\/h3>\n<ul>\n<li><strong>V\u00fdjime\u010dn\u00e1 tvrdost a odolnost proti opot\u0159eben\u00ed<\/strong>: Zaji\u0161\u0165uje dlouhou \u017eivotnost ve vysoce t\u0159ec\u00edch prost\u0159ed\u00edch.<\/li>\n<li><strong>Vysok\u00e1 tepeln\u00e1 stabilita<\/strong>: \u00da\u010dinn\u00fd provoz p\u0159i teplot\u00e1ch a\u017e ~2050 \u00b0C.<\/li>\n<li><strong>Chemick\u00e1 inertnost<\/strong>: Odolnost v\u016f\u010di v\u011bt\u0161in\u011b kyselin a z\u00e1sad.<\/li>\n<li><strong>Rozm\u011brov\u00e1 stabilita<\/strong>: Zachov\u00e1v\u00e1 tvar p\u0159i mechanick\u00e9m a tepeln\u00e9m nam\u00e1h\u00e1n\u00ed.<\/li>\n<li><strong>Elektrick\u00e1 izolace<\/strong>: Ide\u00e1ln\u00ed tam, kde je vy\u017eadov\u00e1n nevodiv\u00fd materi\u00e1l.<\/li>\n<li><strong>Optick\u00e1 transparentnost<\/strong>: Vhodn\u00e9 tam, kde je kl\u00ed\u010dov\u00e1 pr\u016fhlednost.<\/li>\n<\/ul>\n<h3>\ud83d\udd04 Aplikace pro Saf\u00edrov\u00e9 kuli\u010dky<\/h3>\n<p>Saf\u00edrov\u00e9 lo\u017eiskov\u00e9 koule se pou\u017e\u00edvaj\u00ed v r\u016fzn\u00fdch vysoce p\u0159esn\u00fdch aplikac\u00edch, v\u010detn\u011b:<\/p>\n<ul>\n<li><strong>P\u0159esn\u00e1 lo\u017eiska<\/strong>: Mechanick\u00e9 hodinky, gyroskopy a dal\u0161\u00ed p\u0159\u00edstroje s n\u00edzk\u00fdm t\u0159en\u00edm a vysokou odolnost\u00ed.<\/li>\n<li><strong>Optick\u00e9 syst\u00e9my<\/strong>: Konektory optick\u00fdch vl\u00e1ken, laserov\u00e9 syst\u00e9my a za\u0159\u00edzen\u00ed pro optick\u00e9 ustaven\u00ed.<\/li>\n<li><strong>M\u011b\u0159ic\u00ed p\u0159\u00edstroje<\/strong>: Pr\u016ftokom\u011bry, skenery \u010d\u00e1rov\u00fdch k\u00f3d\u016f a dal\u0161\u00ed metrologick\u00e1 za\u0159\u00edzen\u00ed.<\/li>\n<li><strong>Leteck\u00e9 a biomedic\u00ednsk\u00e9 p\u0159\u00edstroje<\/strong>: Prost\u0159ed\u00ed vy\u017eaduj\u00edc\u00ed vysokou spolehlivost a v\u00fdkon.<\/li>\n<\/ul>\n<h3>\ud83d\udce6 Dostupn\u00e9 jakosti a velikosti<\/h3>\n<p>Saf\u00edrov\u00e9 lo\u017eiskov\u00e9 koule jsou k dispozici v r\u016fzn\u00fdch jakostech a velikostech podle po\u017eadavk\u016f aplikace:<\/p>\n<ul>\n<li><a href=\"https:\/\/www.redhillballs.com\/company\/precision-grades\/\"><strong>Jakosti<\/strong>: G1, G2, G3, G5, G10 a\u017e G25<\/a><\/li>\n<li><strong>Velikosti<\/strong>: Pr\u016fm\u011bry od 0,16 mm do 25 mm; na p\u0159\u00e1n\u00ed i zak\u00e1zkov\u00e9 rozm\u011bry.<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>\ud83d\udee0\ufe0f Saf\u00edrov\u00e9 kuli\u010dky \u2013 Vysoce v\u00fdkonn\u00e9 p\u0159esn\u00e9 komponenty Saf\u00edrov\u00e9 kuli\u010dky jsou precizn\u011b vyr\u00e1b\u011bn\u00e9 sf\u00e9ry ze syntetick\u00e9ho saf\u00edru (Al\u2082O\u2083), krystalick\u00e9 formy korundu. D\u00edky mimo\u0159\u00e1dn\u00e9 tvrdosti \u2013 hned po diamantu \u2013 nab\u00edzej\u00ed vynikaj\u00edc\u00ed odolnost proti opot\u0159eben\u00ed, rozm\u011brovou stabilitu a tepelnou odolnost. Jejich jedine\u010dn\u00e9 vlastnosti je \u010din\u00ed nepostradateln\u00fdmi v aplikac\u00edch vy\u017eaduj\u00edc\u00edch trvanlivost a p\u0159esnost, jako je letectv\u00ed, biomedic\u00ednsk\u00e1 [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":9240,"parent":1599,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-1603","page","type-page","status-publish","has-post-thumbnail","hentry"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v28.8 (Yoast SEO v28.8) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>Saf\u00edrov\u00e9 kuli\u010dky a p\u016flkuli\u010dky \u2013 tvrdost a optick\u00e1 pr\u016fzra\u010dnost<\/title>\n<meta name=\"description\" content=\"Saf\u00edrov\u00e9 kuli\u010dky nab\u00edzej\u00ed extr\u00e9mn\u00ed tvrdost, odolnost proti opot\u0159eben\u00ed a v\u00fdbornou optickou pr\u016fzra\u010dnost pro pr\u016fmyslov\u00e9 i 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