{"id":1525,"date":"2021-01-20T09:53:48","date_gmt":"2021-01-20T08:53:48","guid":{"rendered":"https:\/\/www.redhillballs.com\/?page_id=1525"},"modified":"2025-09-30T16:39:18","modified_gmt":"2025-09-30T14:39:18","slug":"kulicky-z-rychlorezne-nastrojove-oceli","status":"publish","type":"page","link":"https:\/\/www.redhillballs.com\/cs\/produkty\/kulicky-z-barevnych-kovu-a-slitin\/kulicky-z-rychlorezne-nastrojove-oceli\/","title":{"rendered":"Kuli\u010dky z Rychlo\u0159ezn\u00e9 N\u00e1strojov\u00e9 Oceli"},"content":{"rendered":"<h2>\ud83d\udee0\ufe0f <a href=\"https:\/\/en.wikipedia.org\/wiki\/Tool_steel\">Koule z n\u00e1strojov\u00e9 oceli M50 \u2013 tvrdost za tepla &amp; spolehlivost lo\u017eisek<\/a><\/h2>\n<p>Kuli\u010dky z Rychlo\u0159ezn\u00e9 N\u00e1strojov\u00e9 Oceli (HSS) M50 jsou navr\u017eeny pro extr\u00e9mn\u00ed rychlosti a vysokoteplotn\u00ed lo\u017eiskov\u00fd provoz. Legovan\u00e9 Cr\u2013Mo\u2013V vytv\u00e1\u0159ej\u00ed jemnou matrici z popu\u0161t\u011bn\u00e9ho martenzitu se stabiln\u00edmi karbidy, co\u017e p\u0159in\u00e1\u0161\u00ed vynikaj\u00edc\u00ed tvrdost za tepla, odolnost proti opot\u0159eben\u00ed a \u00fanavovou \u017eivotnost\u2014ide\u00e1ln\u00ed tam, kde AISI 52100 nar\u00e1\u017e\u00ed na sv\u00e9 limity (leteck\u00e1 v\u0159etena, p\u0159\u00edslu\u0161enstv\u00ed turb\u00edn, vysokorychlostn\u00ed obr\u00e1b\u011bc\u00ed stroje).<\/p>\n<h3>\ud83d\udd27 Kl\u00ed\u010dov\u00e9 technick\u00e9 specifikace<\/h3>\n<ul>\n<li><strong>Slo\u017een\u00ed<\/strong>: C 0,80\u20130,85 %, Cr 4,0\u20134,3 %, Mo 4,0\u20134,5 %, V 1,0\u20131,2 % (Si, Mn n\u00edzk\u00e9; zbytek Fe)<\/li>\n<li><strong>Struktura<\/strong>: popu\u0161t\u011bn\u00fd martenzit s jemn\u011b rozpt\u00fdlen\u00fdmi legovan\u00fdmi karbidy<\/li>\n<li><strong>Tvrdost<\/strong>: Rockwell C 60\u201366 (po tepeln\u00e9 \u00faprav\u011b)<\/li>\n<li><strong>Pevnost v tahu<\/strong>: a\u017e \u2248 2 200\u20132 400 MPa (dle stavu)<\/li>\n<li><strong>Hustota<\/strong>: ~7,80\u20137,85 g\/cm\u00b3<\/li>\n<li><strong>Tepeln\u00e1 odolnost<\/strong>: zachov\u00e1v\u00e1 tvrdost\/pevnost p\u0159i zv\u00fd\u0161en\u00fdch teplot\u00e1ch<\/li>\n<li><strong>Koroze<\/strong>: omezen\u00e1; v korozivn\u00edm prost\u0159ed\u00ed pou\u017eijte maziva\/povlaky<\/li>\n<li><strong>Magnetick\u00e9<\/strong>: pln\u011b magnetick\u00e9<\/li>\n<\/ul>\n<h3>\u2705 V\u00fdhody pro Kuli\u010dky z rychlo\u0159ezn\u00e9 n\u00e1strojov\u00e9 oceli<\/h3>\n<ul>\n<li><strong>Tvrdost za tepla &amp; odolnost proti opot\u0159eben\u00ed<\/strong> pro vysokorychlostn\u00ed provoz<\/li>\n<li><strong>Vynikaj\u00edc\u00ed \u00fanavov\u00e1 \u017eivotnost<\/strong> p\u0159i cyklick\u00e9m zat\u00ed\u017een\u00ed<\/li>\n<li><strong>Rozm\u011brov\u00e1 stabilita<\/strong> po tepeln\u00e9 \u00faprav\u011b<\/li>\n<li><strong>N\u00edzk\u00e9 t\u0159en\u00ed<\/strong> p\u0159i spr\u00e1vn\u00e9m povrchu a maz\u00e1n\u00ed<\/li>\n<\/ul>\n<h3>\ud83d\udd04 Aplikace pro Kuli\u010dky z Rychlo\u0159ezn\u00e9 N\u00e1strojov\u00e9 Oceli<\/h3>\n<ul>\n<li><strong>Leteck\u00e1 lo\u017eiska<\/strong>: p\u0159\u00edslu\u0161enstv\u00ed turb\u00ednov\u00fdch motor\u016f, vysokorychlostn\u00ed v\u0159etena<\/li>\n<li><strong>P\u0159esn\u00e9 obr\u00e1b\u011bc\u00ed stroje<\/strong>: brousic\u00ed\/fr\u00e9zovac\u00ed v\u0159etena<\/li>\n<li><strong>Vysokoteplotn\u00ed mechanismy<\/strong> a p\u0159\u00edstroje<\/li>\n<\/ul>\n<h3>\ud83d\udce6 Dostupn\u00e9 t\u0159\u00eddy &amp; velikosti<\/h3>\n<ul>\n<li><a href=\"https:\/\/www.redhillballs.com\/company\/precision-grades\/\"><strong>T\u0159\u00eddy<\/strong>: ISO 3290, DIN 5401, AFBMA (ekvivalentn\u00ed tolerance)<\/a><\/li>\n<li><strong>Rozsah pr\u016fm\u011br\u016f<\/strong>: standardn\u00ed palcov\u00e9 i metrick\u00e9; nestandardn\u00ed\/zak\u00e1zkov\u00e9 na po\u017e\u00e1d\u00e1n\u00ed<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>\ud83d\udee0\ufe0f Koule z n\u00e1strojov\u00e9 oceli M50 \u2013 tvrdost za tepla &amp; spolehlivost lo\u017eisek Kuli\u010dky z Rychlo\u0159ezn\u00e9 N\u00e1strojov\u00e9 Oceli (HSS) M50 jsou navr\u017eeny pro extr\u00e9mn\u00ed rychlosti a vysokoteplotn\u00ed lo\u017eiskov\u00fd provoz. Legovan\u00e9 Cr\u2013Mo\u2013V vytv\u00e1\u0159ej\u00ed jemnou matrici z popu\u0161t\u011bn\u00e9ho martenzitu se stabiln\u00edmi karbidy, co\u017e p\u0159in\u00e1\u0161\u00ed vynikaj\u00edc\u00ed tvrdost za tepla, odolnost proti opot\u0159eben\u00ed a \u00fanavovou \u017eivotnost\u2014ide\u00e1ln\u00ed tam, kde AISI [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":8771,"parent":1506,"menu_order":9,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-1525","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>Kuli\u010dky z rychlo\u0159ezn\u00e9 n\u00e1strojov\u00e9 oceli (HSS) M50 \u2013 tvrdost a v\u00fdkon<\/title>\n<meta name=\"description\" content=\"Kuli\u010dky z rychlo\u0159ezn\u00e9 n\u00e1strojov\u00e9 oceli 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