{"id":1786,"date":"2021-01-20T10:32:29","date_gmt":"2021-01-20T09:32:29","guid":{"rendered":"https:\/\/www.redhillballs.com\/produkty\/rubinove-safirove-kulicky\/safirove-kulicky\/"},"modified":"2025-10-26T13:55:07","modified_gmt":"2025-10-26T12:55:07","slug":"zafirove-gulicky","status":"publish","type":"page","link":"https:\/\/www.redhillballs.com\/sk\/produkty\/zafirove-a-rubinove-gulicky\/zafirove-gulicky\/","title":{"rendered":"Zaf\u00edrov\u00e9 Guli\u010dky"},"content":{"rendered":"<h2>\ud83d\udee0\ufe0f <a href=\"https:\/\/en.wikipedia.org\/wiki\/Corundum\">Zaf\u00edrov\u00e9 guli\u010dky \u2013 Vysokov\u00fdkonn\u00e9 presn\u00e9 komponenty<\/a><\/h2>\n<p>Zaf\u00edrov\u00e9 guli\u010dky s\u00fa presne vyr\u00e1ban\u00e9 sf\u00e9ry zo syntetick\u00e9ho saf\u00edru (Al\u2082O\u2083), kry\u0161talickej formy korundu. V\u010faka mimoriadnej tvrdosti \u2014 hne\u010f po diamante \u2014 pon\u00fakaj\u00fa v\u00fdborn\u00fa odolnos\u0165 vo\u010di opotrebovaniu, rozmerov\u00fa stabilitu a tepeln\u00fa odolnos\u0165. Ich jedine\u010dn\u00e9 vlastnosti ich robia nepostr\u00e1date\u013en\u00fdmi v aplik\u00e1ci\u00e1ch vy\u017eaduj\u00facich trv\u00e1cnos\u0165 a presnos\u0165, ako s\u00fa letectvo, biomedic\u00ednska pr\u00edstrojov\u00e1 technika a vysok\u00e9 v\u00e1kuum.<\/p>\n<h3>\ud83d\udd27 K\u013e\u00fa\u010dov\u00e9 technick\u00e9 \u0161pecifik\u00e1cie<\/h3>\n<ul>\n<li><strong>Krist\u00e1lov\u00e1 \u0161trukt\u00fara<\/strong>: Monokry\u0161talick\u00e1 hexagon\u00e1lna romboedrick\u00e1<\/li>\n<li><strong>Zlo\u017eenie<\/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 tvrdos\u0165<\/strong>: 9<\/li>\n<li><strong>Knoopova tvrdos\u0165<\/strong>: ~2200 (os C), ~1800 (kolmo na os C)<\/li>\n<li><strong>Youngov modul<\/strong>: ~440 GPa<\/li>\n<li><strong>Bod tavenia<\/strong>: ~2050 \u00b0C<\/li>\n<li><strong>Tepeln\u00e1 vodivos\u0165<\/strong>: ~40 W\/m\u00b7K pri 300 K<\/li>\n<li><strong>S\u00fa\u010dinite\u013e tepelnej roz\u0165a\u017enosti<\/strong>: 6,2 \u00d7 10\u207b\u2076 \/\u00b0C (rovnobe\u017ene s osou C), 5,4 \u00d7 10\u207b\u2076 \/\u00b0C (kolmo)<\/li>\n<li><strong>Elektrick\u00e1 rezistivita<\/strong>: &gt;10\u00b9\u00b2 \u03a9\u00b7cm (izolant)<\/li>\n<li><strong>Dielektrick\u00e1 kon\u0161tanta<\/strong>: 10,6 (rovnobe\u017ene), 8,6 (kolmo na os C)<\/li>\n<\/ul>\n<h3>\u2705 V\u00fdhody<\/h3>\n<ul>\n<li><strong>V\u00fdnimo\u010dn\u00e1 tvrdos\u0165 a odolnos\u0165 proti opotrebovaniu<\/strong>: Dlh\u00e1 \u017eivotnos\u0165 v prostred\u00ed s vysok\u00fdm tren\u00edm.<\/li>\n<li><strong>Vysok\u00e1 tepeln\u00e1 stabilita<\/strong>: Efekt\u00edvna prev\u00e1dzka a\u017e do ~2050 \u00b0C.<\/li>\n<li><strong>Chemick\u00e1 inertnos\u0165<\/strong>: Odolnos\u0165 vo\u010di v\u00e4\u010d\u0161ine kysel\u00edn a z\u00e1sad.<\/li>\n<li><strong>Rozmerov\u00e1 stabilita<\/strong>: Zachovanie tvaru pri mechanickej a tepelnej z\u00e1\u0165a\u017ei.<\/li>\n<li><strong>Elektrick\u00e1 izol\u00e1cia<\/strong>: Ide\u00e1lne tam, kde je potrebn\u00fd nevodiv\u00fd materi\u00e1l.<\/li>\n<li><strong>Optick\u00e1 transparentnos\u0165<\/strong>: U\u017eito\u010dn\u00e9, ke\u010f je k\u013e\u00fa\u010dov\u00e1 prieh\u013eadnos\u0165.<\/li>\n<\/ul>\n<h3>\ud83d\udd04 Aplik\u00e1cie pre Zaf\u00edrov\u00e9 Guli\u010dky<\/h3>\n<p>Saf\u00edrov\u00e9 lo\u017eiskov\u00e9 guli\u010dky sa pou\u017e\u00edvaj\u00fa v r\u00f4znych vysoko presn\u00fdch aplik\u00e1ci\u00e1ch, vr\u00e1tane:<\/p>\n<ul>\n<li><strong>Presn\u00e9 lo\u017eisk\u00e1<\/strong>: Mechanick\u00e9 hodinky, gyroskopy a \u010fal\u0161ie pr\u00edstroje s n\u00edzkym tren\u00edm a vysokou odolnos\u0165ou.<\/li>\n<li><strong>Optick\u00e9 syst\u00e9my<\/strong>: Konektory optick\u00fdch vl\u00e1kien, laserov\u00e9 syst\u00e9my a zariadenia na optick\u00e9 ustavenie.<\/li>\n<li><strong>Meracie pr\u00edstroje<\/strong>: Pr\u016ftokomery, skenery \u010diarov\u00fdch k\u00f3dov a \u010fal\u0161ie metrologick\u00e9 zariadenia.<\/li>\n<li><strong>Leteck\u00e9 a biomedic\u00ednske zariadenia<\/strong>: Prostredia s vysok\u00fdmi n\u00e1rokmi na spo\u013eahlivos\u0165 a v\u00fdkon.<\/li>\n<\/ul>\n<h3>\ud83d\udce6 Dostupn\u00e9 triedy a rozmery<\/h3>\n<p>Saf\u00edrov\u00e9 lo\u017eiskov\u00e9 guli\u010dky s\u00fa dostupn\u00e9 v r\u00f4znych triedach a rozmeroch pod\u013ea po\u017eiadaviek aplik\u00e1cie:<\/p>\n<ul>\n<li><a href=\"https:\/\/www.redhillballs.com\/company\/precision-grades\/\"><strong>Triedy<\/strong>: G1, G2, G3, G5, G10 a\u017e G25<\/a><\/li>\n<li><strong>Rozmery<\/strong>: Priemery od 0,16 mm do 25 mm; na po\u017eiadanie aj z\u00e1kazkov\u00e9 ve\u013ekosti.<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>\ud83d\udee0\ufe0f Zaf\u00edrov\u00e9 guli\u010dky \u2013 Vysokov\u00fdkonn\u00e9 presn\u00e9 komponenty Zaf\u00edrov\u00e9 guli\u010dky s\u00fa presne vyr\u00e1ban\u00e9 sf\u00e9ry zo syntetick\u00e9ho saf\u00edru (Al\u2082O\u2083), kry\u0161talickej formy korundu. V\u010faka mimoriadnej tvrdosti \u2014 hne\u010f po diamante \u2014 pon\u00fakaj\u00fa v\u00fdborn\u00fa odolnos\u0165 vo\u010di opotrebovaniu, rozmerov\u00fa stabilitu a tepeln\u00fa odolnos\u0165. Ich jedine\u010dn\u00e9 vlastnosti ich robia nepostr\u00e1date\u013en\u00fdmi v aplik\u00e1ci\u00e1ch vy\u017eaduj\u00facich trv\u00e1cnos\u0165 a presnos\u0165, ako s\u00fa letectvo, biomedic\u00ednska pr\u00edstrojov\u00e1 [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":9248,"parent":1784,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-1786","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>Zaf\u00edrov\u00e9 guli\u010dky a polguli\u010dky\u2013 sp\u00e4tn\u00e9 ventily, d\u00e1vkovacie ihly, sondy<\/title>\n<meta name=\"description\" content=\"Zaf\u00edrov\u00e9 guli\u010dky dosadacie prvky v sp\u00e4tn\u00fdch a d\u00e1vkovac\u00edch ventiloch; tie\u017e dotykov\u00e9 hroty merac\u00edch sond, vysok\u00e1 tvrdos\u0165, odolnos\u0165 opotrebeniu\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.redhillballs.com\/sk\/produkty\/zafirove-a-rubinove-gulicky\/zafirove-gulicky\/\" \/>\n<meta property=\"og:locale\" content=\"sk_SK\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Zaf\u00edrov\u00e9 Guli\u010dky\" \/>\n<meta property=\"og:description\" content=\"Zaf\u00edrov\u00e9 guli\u010dky dosadacie prvky v sp\u00e4tn\u00fdch a d\u00e1vkovac\u00edch ventiloch; 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