{"id":8011,"date":"2021-05-28T15:29:37","date_gmt":"2021-05-28T13:29:37","guid":{"rendered":"https:\/\/blog.federnshop.com\/vystrel-z-kovovych-pruzin\/"},"modified":"2026-01-22T12:55:46","modified_gmt":"2026-01-22T10:55:46","slug":"vystrel-z-kovovych-pruzin","status":"publish","type":"post","link":"https:\/\/blog.federnshop.com\/cs\/vystrel-z-kovovych-pruzin\/","title":{"rendered":"V\u00fdst\u0159el z kovov\u00fdch pru\u017ein"},"content":{"rendered":"<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_82_2 counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">Table of Contents<\/p>\n<span class=\"ez-toc-title-toggle\"><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1 ' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/blog.federnshop.com\/cs\/vystrel-z-kovovych-pruzin\/#Co_je_kulickovani\" >Co je kuli\u010dkov\u00e1n\u00ed?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/blog.federnshop.com\/cs\/vystrel-z-kovovych-pruzin\/#Vystrel_z_kovovych_pruzin\" >V\u00fdst\u0159el z kovov\u00fdch pru\u017ein<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/blog.federnshop.com\/cs\/vystrel-z-kovovych-pruzin\/#Jak_lecba_probiha\" >Jak l\u00e9\u010dba prob\u00edh\u00e1?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/blog.federnshop.com\/cs\/vystrel-z-kovovych-pruzin\/#Porovnani_brokovanych_a_netryskanych_pruzin\" >Porovn\u00e1n\u00ed brokovan\u00fdch a netryskan\u00fdch pru\u017ein<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/blog.federnshop.com\/cs\/vystrel-z-kovovych-pruzin\/#Caste_chyby_v_kulickovani\" >\u010cast\u00e9 chyby v kuli\u010dkov\u00e1n\u00ed<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/blog.federnshop.com\/cs\/vystrel-z-kovovych-pruzin\/#Dalsi_dulezite_informace\" >Dal\u0161\u00ed d\u016fle\u017eit\u00e9 informace<\/a><\/li><\/ul><\/nav><\/div>\n<h2><span class=\"ez-toc-section\" id=\"Co_je_kulickovani\"><\/span>Co je kuli\u010dkov\u00e1n\u00ed?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Shot peening je speci\u00e1ln\u00ed druh<a href=\"https:\/\/blog.federnshop.com\/cs\/povrchove-upravy-ocelovych-pruzin\/\" target=\"_blank\" rel=\"noopener noreferrer\"> Povrchov\u00e1 \u00faprava<\/a> . V tomto procesu se tryskac\u00ed m\u00e9dia ve speci\u00e1ln\u00edch syst\u00e9mech zrychluj\u00ed a nar\u00e1\u017eej\u00ed na povrch zpracov\u00e1van\u00fdch obrobk\u016f, jako nap\u0159\u00edklad<a href=\"https:\/\/blog.federnshop.com\/cs\/nakup-kovovych-pruzin\/\" target=\"_blank\" rel=\"noopener noreferrer\"> Kovov\u00e9 pru\u017einy<\/a> \u0159\u00edzen\u00fd. Brusivo se skl\u00e1d\u00e1 z kulat\u00fdch nebo zaoblen\u00fdch zrn, z nich\u017e tento proces vd\u011b\u010d\u00ed sv\u00e9mu n\u00e1zvu.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Vystrel_z_kovovych_pruzin\"><\/span>V\u00fdst\u0159el z kovov\u00fdch pru\u017ein<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Zpravidla doch\u00e1z\u00ed k nejv\u011bt\u0161\u00edmu nam\u00e1h\u00e1n\u00ed kovov\u00fdch pru\u017ein na povrchu materi\u00e1lu. Mal\u00e9 vady, jako jsou \u0161kr\u00e1bance, praskliny ve vlasech, oduhli\u010den\u00ed nebo bodov\u00e1n\u00ed, nejsou neobvykl\u00e9. Ty v\u0161ak mohou m\u00edt negativn\u00ed vliv na v\u00fdkon a \u017eivotnost kovov\u00fdch pru\u017ein, nap\u0159. tla\u010dn\u00fdch pru\u017ein. Zpevn\u011bn\u00ed povrchov\u00fdch vrstev je proto snahou minimalizovat vady a zv\u00fd\u0161it <a href=\"https:\/\/blog.federnshop.com\/cs\/druhy-tlakovych-pruzin\/\">\u00fanavovou pevnost<\/a> tla\u010dn\u00e9 pru\u017einy. Typick\u00fdmi procesy ve stroj\u00edrenstv\u00ed jsou nap\u0159\u00edklad povrchov\u00e9 hlubok\u00e9 v\u00e1lcov\u00e1n\u00ed, povrchov\u00e9 kalen\u00ed nebo povrchov\u00e9 nitridov\u00e1n\u00ed. Proto\u017ee kovov\u00e9 pru\u017einy maj\u00ed speci\u00e1ln\u00ed a komplikovanou geometrii, stal se u t\u011bchto obrobk\u016f v pr\u016fb\u011bhu let zaveden pouze proces kuli\u010dkov\u00e1n\u00ed. \u00danavovou pevnost lze zv\u00fd\u0161it p\u0159id\u00e1n\u00edm<a href=\"https:\/\/blog.federnshop.com\/cs\/vlastnosti-pruzinove-oceli\/\"> Materi\u00e1l pru\u017einy<\/a> Generuj\u00ed se tlakov\u00e1 nap\u011bt\u00ed, tenk\u00e9 povrchov\u00e9 vrstvy se deforma\u010dn\u011b zpev\u0148uj\u00ed a povrchy se vyhlazuj\u00ed. To znamen\u00e1, \u017ee povrchov\u00e9 vady lze zna\u010dn\u011b sn\u00ed\u017eit.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Jak_lecba_probiha\"><\/span>Jak l\u00e9\u010dba prob\u00edh\u00e1?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>C\u00edlem brokov\u00e1n\u00ed je vytvo\u0159it zbytkov\u00e1 tlakov\u00e1 nap\u011bt\u00ed p\u0159etvo\u0159en\u00edm a t\u00edm zpevn\u011bn\u00edm povrchu. Proces proto m\u016f\u017ee v\u00fdrazn\u011b zlep\u0161it trvanlivost kovov\u00fdch pru\u017ein. Za t\u00edmto \u00fa\u010delem se ocelov\u00e9 kuli\u010dky nebo zaoblen\u00e9 dr\u00e1t\u011bn\u00e9 zrno st\u0159\u00edl\u00ed na pru\u017einy vysokou rychlost\u00ed pomoc\u00ed stla\u010den\u00e9ho vzduchu nebo odst\u0159ediv\u00fdch kol. Tento proces zvy\u0161uje povrchov\u00fd objem materi\u00e1lu a vytv\u00e1\u0159\u00ed zbytkov\u00e9 tlakov\u00e9 nap\u011bt\u00ed. V\u00fdsledkem je stla\u010den\u00ed materi\u00e1lu, a t\u00edm vytvrzen\u00ed povrchu, kter\u00e9 se d\u00edky o\u0161et\u0159en\u00ed st\u00e1v\u00e1 zvl\u00e1\u0161t\u011b korozivzdorn\u00fdm a nedovoluje \u017e\u00e1dn\u00e9 praskliny. Stupe\u0148 zhutn\u011bn\u00ed z\u00e1vis\u00ed na podm\u00ednk\u00e1ch trysk\u00e1n\u00ed, jako je rychlost v\u00fdboje, doba zpracov\u00e1n\u00ed nebo \u00fahel trysk\u00e1n\u00ed, jako\u017e i na pr\u016fm\u011bru zrna, s\u00edle a stavu brusiva. Tvrdost materi\u00e1lu pru\u017einy tak\u00e9 hraje d\u016fle\u017eitou roli v tlaku. Vzhledem k vysok\u00e9 \u00farovni ochrany proti korozi je kuli\u010dkov\u00e1n\u00ed brok\u016f tak\u00e9 dobrou p\u0159\u00edpravou pro n\u00e1sledn\u00e9 \u00fapravy, jako je povrchov\u00e1 \u00faprava.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Porovnani_brokovanych_a_netryskanych_pruzin\"><\/span>Porovn\u00e1n\u00ed brokovan\u00fdch a netryskan\u00fdch pru\u017ein<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-2041\" src=\"https:\/\/blog.federnshop.com\/wp-content\/uploads\/GF_Woehlerkurven_Kugelstrahlen_600px.jpg\" alt=\"Woehlerkurven zast\u0159elil kovov\u00e9 pru\u017einy\" width=\"600\" height=\"267\" data-wp-pid=\"2041\" srcset=\"https:\/\/blog.federnshop.com\/wp-content\/uploads\/GF_Woehlerkurven_Kugelstrahlen_600px.jpg 600w, https:\/\/blog.federnshop.com\/wp-content\/uploads\/GF_Woehlerkurven_Kugelstrahlen_600px-300x134.jpg 300w, https:\/\/blog.federnshop.com\/wp-content\/uploads\/GF_Woehlerkurven_Kugelstrahlen_600px-200x89.jpg 200w\" sizes=\"auto, (max-width: 600px) 100vw, 600px\" \/><\/p>\n<p>Obr\u00e1zek ukazuje diagram \u00fanavov\u00e9 pevnosti &#8211; zn\u00e1m\u00fd tak\u00e9 jako W\u00f6hlerovy k\u0159ivky &#8211; pro tla\u010dn\u00e9 pru\u017einy vyroben\u00e9 z patentovan\u00fdch ta\u017een\u00fdch (modr\u00e9 k\u0159ivky 1) a temperovan\u00fd dr\u00e1t pru\u017einy ventilu (oran\u017eov\u00e9 k\u0159ivky 2). Zv\u00fd\u0161en\u00ed \u00fanavov\u00e9 pevnosti brokovan\u00e9 (k\u0159ivka 1k a 2k) ve srovn\u00e1n\u00ed s netryskanou (k\u0159ivka 1 a 2) Pe\u0159\u00ed lze jasn\u011b vid\u011bt. B\u011bhem brokov\u00e1n\u00ed se v bl\u00edzkosti povrchu vyskytuj\u00ed nevyhnuteln\u00e9 nap\u011b\u0165ov\u00e9 \u0161pi\u010dky. Ve srovn\u00e1n\u00ed s nest\u0159\u00edkan\u00fdm pe\u0159\u00edm to vede k v\u011bt\u0161\u00edmu<a href=\"https:\/\/blog.federnshop.com\/cs\/relaxace-v-pramenech\/\"> Relaxace<\/a> . Lze tomu zabr\u00e1nit uvoln\u011bn\u00edm po trysk\u00e1n\u00ed p\u0159i teplot\u011b 200 a\u017e 240 \u00b0 C. Chcete-li zv\u00fd\u0161it<a href=\"https:\/\/blog.federnshop.com\/cs\/druhy-tlakovych-pruzin\/\"> \u00danavov\u00e1 s\u00edla<\/a> dlouhodob\u011b udr\u017eovat, je d\u016fle\u017eit\u00e9<a href=\"https:\/\/blog.federnshop.com\/cs\/maximalni-pracovni-teplota-pruzinovych-materialu-2\/\"> teplotn\u00ed limity z\u00e1visl\u00e9 na materi\u00e1lu<\/a> je t\u0159eba dodr\u017eovat.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Caste_chyby_v_kulickovani\"><\/span>\u010cast\u00e9 chyby v kuli\u010dkov\u00e1n\u00ed<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Jednou z nej\u010dast\u011bj\u0161\u00edch chyb je trysk\u00e1n\u00ed ostr\u00fdmi nebo zlomen\u00fdmi zrny. To m\u016f\u017ee m\u00edt za n\u00e1sledek, \u017ee \u00fanavov\u00e1 pevnost klesne pod hodnotu nep\u00edskovan\u00fdch tla\u010dn\u00fdch pru\u017ein v d\u016fsledku vrubov\u00e9ho efektu. Rovn\u011b\u017e je t\u0159eba se vyvarovat nadm\u011brn\u00e9 expozice. Pokud je doba trysk\u00e1n\u00ed p\u0159\u00edli\u0161 dlouh\u00e1 nebo je p\u0159\u00edli\u0161 vysok\u00e1 rychlost ejekce, jsou mo\u017en\u00e9 jak separace materi\u00e1lu v m\u011b\u0159\u00edtku, tak praskliny nap\u011bt\u00ed. Doba o\u0161et\u0159en\u00ed kovov\u00e9 pru\u017einy by proto m\u011bla b\u00fdt zvolena tak, aby byla dostate\u010dn\u011b kr\u00e1tk\u00e1 na to, aby nahromad\u011bn\u00ed vnit\u0159n\u00edho nap\u011bt\u00ed zp\u016fsobilo po\u017eadovan\u00e9 zv\u00fd\u0161en\u00ed \u00fanavov\u00e9 pevnosti. Tla\u010dn\u00e9 pru\u017einy by m\u011bly b\u00fdt brou\u0161eny pouze z dr\u00e1tu o pr\u016fm\u011bru d=0,8 mm.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Dalsi_dulezite_informace\"><\/span>Dal\u0161\u00ed d\u016fle\u017eit\u00e9 informace<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Odkazy poskytuj\u00ed informace o dal\u0161\u00edch<a href=\"https:\/\/blog.federnshop.com\/cs\/povrchove-upravy-ocelovych-pruzin\/\" target=\"_blank\" rel=\"noopener noreferrer\"> Povrchov\u00e9 \u00fapravy<\/a> pro kovov\u00e9 pru\u017einy. V\u00fdpo\u010det \u00fanavov\u00e9 pevnosti pro tla\u010dnou pru\u017einu s tvrzen\u00fdm povrchem brokov\u00e1n\u00edm lze prov\u00e9st pomoc\u00ed<a href=\"https:\/\/www.federnshop.com\/de\/service-und-informationen\/federberechnung-nach-din-13906.html\" target=\"_blank\" rel=\"noopener noreferrer\"> Program v\u00fdpo\u010dtu pru\u017ein Gutekunst WinFSB<\/a> vykonat.<\/p>\n<p>P\u0159\u00edpadn\u011b n\u00e1m m\u016f\u017eete zaslat sv\u00e1 jarn\u00ed data p\u0159\u00edmo k n\u00e1m:<a href=\"mailto:verkauf@gutekunst-co.com\"> sales@gutekunst-co.com<\/a> .<\/p>\n<p>&nbsp;<\/p>\n<p><em>Souvisej\u00edc\u00ed odkazy:<\/em><\/p>\n<ul>\n<li><a href=\"https:\/\/blog.federnshop.com\/cs\/navrh-kovovych-pruzin-cast-1-zaklady\/\" target=\"_blank\" rel=\"noopener noreferrer\">Jarn\u00ed design<\/a><\/li>\n<\/ul>\n<ul>\n<li><a href=\"https:\/\/www.federnshop.com\/de\/kontakt.html\" target=\"_blank\" rel=\"noopener noreferrer\">Technick\u00e1 podpora<\/a><\/li>\n<\/ul>\n<ul>\n<li><a href=\"https:\/\/www.federnshop.com\/de\/service-und-informationen\/federberechnung-nach-din-13906.html\" target=\"_blank\" rel=\"noopener noreferrer\">Jarn\u00ed v\u00fdpo\u010detn\u00ed program WinFSB<\/a><\/li>\n<\/ul>\n<ul>\n<li><a href=\"https:\/\/youtu.be\/EusjLYwYpLE\" target=\"_blank\" rel=\"noopener noreferrer\">Video jarn\u00ed v\u00fdpo\u010detn\u00ed program WinFSB<\/a><\/li>\n<\/ul>","protected":false},"excerpt":{"rendered":"<p>Co je kuli\u010dkov\u00e1n\u00ed? Shot peening je speci\u00e1ln\u00ed druh Povrchov\u00e1 \u00faprava . V tomto procesu se tryskac\u00ed m\u00e9dia ve speci\u00e1ln\u00edch syst\u00e9mech zrychluj\u00ed a nar\u00e1\u017eej\u00ed na povrch zpracov\u00e1van\u00fdch obrobk\u016f, jako nap\u0159\u00edklad Kovov\u00e9 pru\u017einy \u0159\u00edzen\u00fd. Brusivo se skl\u00e1d\u00e1 z kulat\u00fdch nebo zaoblen\u00fdch zrn,<\/p>\n","protected":false},"author":4,"featured_media":8015,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_uf_show_specific_survey":0,"_uf_disable_surveys":false,"footnotes":""},"categories":[919,929,992,452],"tags":[1139,780,1912,1916,509,1915,1233,781],"class_list":["post-8011","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-dratene-pruziny","category-material-cz","category-servis-cz","category-znalost","tag-dauerfestigkeit-cs","tag-federnberechnung-cs","tag-jarni-design","tag-kulickova-ocel","tag-metallfedern-cs","tag-peri","tag-relaxace","tag-winfsb-cs"],"_links":{"self":[{"href":"https:\/\/blog.federnshop.com\/cs\/wp-json\/wp\/v2\/posts\/8011","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/blog.federnshop.com\/cs\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/blog.federnshop.com\/cs\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/blog.federnshop.com\/cs\/wp-json\/wp\/v2\/users\/4"}],"replies":[{"embeddable":true,"href":"https:\/\/blog.federnshop.com\/cs\/wp-json\/wp\/v2\/comments?post=8011"}],"version-history":[{"count":2,"href":"https:\/\/blog.federnshop.com\/cs\/wp-json\/wp\/v2\/posts\/8011\/revisions"}],"predecessor-version":[{"id":12291,"href":"https:\/\/blog.federnshop.com\/cs\/wp-json\/wp\/v2\/posts\/8011\/revisions\/12291"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/blog.federnshop.com\/cs\/wp-json\/wp\/v2\/media\/8015"}],"wp:attachment":[{"href":"https:\/\/blog.federnshop.com\/cs\/wp-json\/wp\/v2\/media?parent=8011"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/blog.federnshop.com\/cs\/wp-json\/wp\/v2\/categories?post=8011"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/blog.federnshop.com\/cs\/wp-json\/wp\/v2\/tags?post=8011"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}