{"id":1749,"date":"2021-01-20T09:53:48","date_gmt":"2021-01-20T08:53:48","guid":{"rendered":"https:\/\/www.redhillballs.com\/produkty\/kulicky-z-barevnych-kovu-a-slitin\/kulicky-z-rychlorezne-nastrojove-oceli\/"},"modified":"2025-10-24T16:56:59","modified_gmt":"2025-10-24T14:56:59","slug":"gulicky-z-nastrojovej-ocele-m50","status":"publish","type":"page","link":"https:\/\/www.redhillballs.com\/sk\/produkty\/gulicky-z-nezeleznych-kovov-a-zliatin\/gulicky-z-nastrojovej-ocele-m50\/","title":{"rendered":"Guli\u010dky z n\u00e1strojovej ocele M50"},"content":{"rendered":"<h2>\ud83d\udee0\ufe0f <a href=\"https:\/\/en.wikipedia.org\/wiki\/Tool_steel\">Guli\u010dky z n\u00e1strojovej ocele M50 \u2013 tvrdos\u0165 za tepla &amp; spo\u013eahlivos\u0165 lo\u017e\u00edsk<\/a><\/h2>\n<p>Guli\u010dky z n\u00e1strojovej ocele M50 s\u00fa ur\u010den\u00e9 pre lo\u017eisk\u00e1 pri extr\u00e9mnych r\u00fdchlostiach a vysok\u00fdch teplot\u00e1ch. Legovanie Cr\u2013Mo\u2013V vytv\u00e1ra jemn\u00fa popusten\u00fa martenzitick\u00fa matricu so stabiln\u00fdmi karbidmi, ktor\u00e1 poskytuje vynikaj\u00facu tvrdos\u0165 za tepla, odolnos\u0165 vo\u010di opotrebeniu a \u00fanavov\u00fa \u017eivotnos\u0165\u2014ide\u00e1lne tam, kde AISI 52100 dosahuje svoje limity (leteck\u00e9 v\u0159etena, pr\u00edslu\u0161enstvo turb\u00edn, vysokor\u00fdchlostn\u00e9 obr\u00e1bacie stroje).<\/p>\n<h3>\ud83d\udd27 K\u013e\u00fa\u010dov\u00e9 technick\u00e9 \u0161pecifik\u00e1cie<\/h3>\n<ul>\n<li><strong>Zlo\u017eenie<\/strong>: C 0,80\u20130,85 %, Cr 4,0\u20134,3 %, Mo 4,0\u20134,5 %, V 1,0\u20131,2 % (Si, Mn n\u00edzke; zvy\u0161ok Fe)<\/li>\n<li><strong>\u0160trukt\u00fara<\/strong>: popusten\u00fd martenzit s jemne rozpt\u00fdlen\u00fdmi legovan\u00fdmi karbidmi<\/li>\n<li><strong>Tvrdos\u0165<\/strong>: Rockwell C 60\u201366 (po tepelnej \u00faprave)<\/li>\n<li><strong>Pevnos\u0165 v \u0165ahu<\/strong>: a\u017e \u2248 2 200\u20132 400 MPa (pod\u013ea stavu)<\/li>\n<li><strong>Hustota<\/strong>: ~7,80\u20137,85 g\/cm\u00b3<\/li>\n<li><strong>Tepeln\u00e9 schopnosti<\/strong>: zachov\u00e1va tvrdos\u0165\/pevnos\u0165 pri zv\u00fd\u0161en\u00fdch teplot\u00e1ch<\/li>\n<li><strong>Kor\u00f3zia<\/strong>: obmedzen\u00e1; v koroz\u00edvnych m\u00e9di\u00e1ch pou\u017eite mazanie\/povlaky<\/li>\n<li><strong>Magnetick\u00e9<\/strong>: plne magnetick\u00e9<\/li>\n<\/ul>\n<h3>\u2705 V\u00fdhody guli\u010diek M50<\/h3>\n<ul>\n<li><strong>Tvrdos\u0165 za tepla &amp; odolnos\u0165 proti opotrebeniu<\/strong> pre vysok\u00e9 r\u00fdchlosti<\/li>\n<li><strong>Vynikaj\u00faca \u00fanavov\u00e1 \u017eivotnos\u0165<\/strong> pri cyklickom za\u0165a\u017een\u00ed<\/li>\n<li><strong>Rozmerov\u00e1 stabilita<\/strong> po tepelnej \u00faprave<\/li>\n<li><strong>N\u00edzke trenie<\/strong> pri vhodnom povrchu a mazan\u00ed<\/li>\n<\/ul>\n<h3>\ud83d\udd04 Aplik\u00e1cie pre Guli\u010dky z n\u00e1strojovej ocele M50<\/h3>\n<ul>\n<li><strong>Leteck\u00e9 lo\u017eisk\u00e1<\/strong>: pr\u00edslu\u0161enstvo turb\u00ednov\u00fdch motorov, vysokor\u00fdchlostn\u00e9 v\u0159etena<\/li>\n<li><strong>Presn\u00e9 obr\u00e1bacie stroje<\/strong>: br\u00fasacie\/fr\u00e9zovacie v\u0159etena<\/li>\n<li><strong>Vysokoteplotn\u00e9 mechanizmy<\/strong> a pr\u00edstroje<\/li>\n<\/ul>\n<h3>\ud83d\udce6 Dostupn\u00e9 triedy &amp; ve\u013ekosti<\/h3>\n<ul>\n<li><a href=\"https:\/\/www.redhillballs.com\/company\/precision-grades\/\"><strong>Triedy<\/strong>: ISO 3290, DIN 5401, AFBMA (ekvivalentn\u00e9 tolerancie)<\/a><\/li>\n<li><strong>Rozsah priemerov<\/strong>: \u0161tandardn\u00e9 palcov\u00e9 a metrick\u00e9; ne\u0161tandard\/na mieru na po\u017eiadanie<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>\ud83d\udee0\ufe0f Guli\u010dky z n\u00e1strojovej ocele M50 \u2013 tvrdos\u0165 za tepla &amp; spo\u013eahlivos\u0165 lo\u017e\u00edsk Guli\u010dky z n\u00e1strojovej ocele M50 s\u00fa ur\u010den\u00e9 pre lo\u017eisk\u00e1 pri extr\u00e9mnych r\u00fdchlostiach a vysok\u00fdch teplot\u00e1ch. Legovanie Cr\u2013Mo\u2013V vytv\u00e1ra jemn\u00fa popusten\u00fa martenzitick\u00fa matricu so stabiln\u00fdmi karbidmi, ktor\u00e1 poskytuje vynikaj\u00facu tvrdos\u0165 za tepla, odolnos\u0165 vo\u010di opotrebeniu a \u00fanavov\u00fa \u017eivotnos\u0165\u2014ide\u00e1lne tam, kde AISI 52100 dosahuje [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":8779,"parent":1736,"menu_order":9,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-1749","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>Guli\u010dky z n\u00e1strojovej ocele M50 \u2013 lo\u017eisk\u00e1 pre turb\u00edny<\/title>\n<meta name=\"description\" content=\"Guli\u010dky z n\u00e1strojovej ocele M50 pre turb\u00edny leteck\u00fdch motorov a vretien, pre vysok\u00e9 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