{"id":6686,"date":"2023-04-17T13:03:00","date_gmt":"2023-04-17T11:03:00","guid":{"rendered":"https:\/\/blog.federnshop.com\/navrh-kovovych-pruzin-cast-1-zaklady\/"},"modified":"2024-04-22T16:50:41","modified_gmt":"2024-04-22T14:50:41","slug":"navrh-kovovych-pruzin-cast-1-zaklady","status":"publish","type":"post","link":"https:\/\/blog.federnshop.com\/cs\/navrh-kovovych-pruzin-cast-1-zaklady\/","title":{"rendered":"N\u00e1vrh kovov\u00fdch pru\u017ein &#8211; \u010c\u00e1st 1 &#8222;Z\u00e1klady&#8220;"},"content":{"rendered":"<p>N\u00ed\u017ee je uveden souhrn z\u00e1kladn\u00edch informac\u00ed o<a href=\"https:\/\/blog.federnshop.com\/federauslegung\/\" target=\"_blank\" rel=\"noopener noreferrer\"> Jarn\u00ed design<\/a> z<a href=\"https:\/\/blog.federnshop.com\/druckfedern\/\" target=\"_blank\" rel=\"noopener noreferrer\"> Tla\u010dn\u00e9 pru\u017einy<\/a> ,<a href=\"https:\/\/blog.federnshop.com\/zugfedern\/\" target=\"_blank\" rel=\"noopener noreferrer\"> Ta\u017en\u00e9 pru\u017einy<\/a> a<a href=\"https:\/\/blog.federnshop.com\/schenkelfedern-torsionsfedern\/\" target=\"_blank\" rel=\"noopener noreferrer\"> Pru\u017einy nohou<\/a> .<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignright wp-image-2766 size-medium\" src=\"https:\/\/blog.federnshop.com\/wp-content\/uploads\/\/Federarbeit_600-300x300.jpg\" alt=\"Federarbeit Grafik - Gutekunst Federn\" width=\"300\" height=\"300\" data-wp-pid=\"2766\" srcset=\"https:\/\/blog.federnshop.com\/wp-content\/uploads\/Federarbeit_600-300x300.jpg 300w, https:\/\/blog.federnshop.com\/wp-content\/uploads\/Federarbeit_600-150x150.jpg 150w, https:\/\/blog.federnshop.com\/wp-content\/uploads\/Federarbeit_600-270x270.jpg 270w, https:\/\/blog.federnshop.com\/wp-content\/uploads\/Federarbeit_600-230x230.jpg 230w, https:\/\/blog.federnshop.com\/wp-content\/uploads\/Federarbeit_600-200x200.jpg 200w, https:\/\/blog.federnshop.com\/wp-content\/uploads\/Federarbeit_600-600x600-cropped.jpg 600w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><a href=\"https:\/\/blog.federnshop.com\/technische-federn-wissen-kompakt\/\" target=\"_blank\" rel=\"noopener\">Technick\u00e9 pru\u017einy<\/a> jsou dodnes jedn\u00edm z nejd\u016fle\u017eit\u011bj\u0161\u00edch prvk\u016f stroje a \u00fasp\u011b\u0161n\u011b se pou\u017e\u00edvaj\u00ed ve vozidlech, p\u0159esn\u00fdch mechanick\u00fdch nebo elektrotechnick\u00fdch za\u0159\u00edzen\u00edch, zdravotnick\u00fdch za\u0159\u00edzen\u00edch, dom\u00e1c\u00edch spot\u0159ebi\u010d\u00edch a mnoha dal\u0161\u00edch. Funkce cel\u00e9ho za\u0159\u00edzen\u00ed nebo \u010d\u00e1sti stroje \u010dasto z\u00e1vis\u00ed na bezprobl\u00e9mov\u00e9m provozu kovov\u00e9 pru\u017einy.<\/p>\n<p>Kovov\u00e9 pru\u017einy jsou prvky, kter\u00e9 se p\u0159i zat\u00ed\u017een\u00ed z\u00e1m\u011brn\u011b deformuj\u00ed a po odstran\u011bn\u00ed zat\u00ed\u017een\u00ed se vr\u00e1t\u00ed do p\u016fvodn\u00edho tvaru. Dodan\u00e1 energie je uvnit\u0159<a href=\"https:\/\/blog.federnshop.com\/federarbeit\/\" target=\"_blank\" rel=\"noopener noreferrer\"> Jarn\u00ed pr\u00e1ce<\/a> (W) p\u0159em\u011bn\u011bn a znovu uvoln\u011bn v pozd\u011bj\u0161\u00edm okam\u017eiku (z\u00e1sobn\u00edk energie). Kovov\u00e9 pru\u017einy v\u0161ak spolehliv\u011b prov\u00e1d\u011bj\u00ed tuto deformaci a absorpci energie pouze v mez\u00edch ur\u010den\u00fdch pro tento \u00fa\u010del. Proto je ten prav\u00fd<a href=\"https:\/\/blog.federnshop.com\/federauslegung\/\" target=\"_blank\" rel=\"noopener noreferrer\"> Jarn\u00ed design<\/a> a<a href=\"https:\/\/www.federnshop.com\/de\/service-und-informationen\/federberechnungsprogramm-winfsb.html\" target=\"_blank\" rel=\"noopener\"> V\u00fdpo\u010det pru\u017einy<\/a> d\u016fle\u017eit\u00fd komponent pro perfektn\u011b funguj\u00edc\u00ed kovovou pru\u017einu.<\/p>\n<p>&nbsp;<\/p>\n<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\/navrh-kovovych-pruzin-cast-1-zaklady\/#Charakteristicka_krivka_pruziny\" >Charakteristick\u00e1 k\u0159ivka pru\u017einy<\/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\/navrh-kovovych-pruzin-cast-1-zaklady\/#Jarni_prace\" >Jarn\u00ed pr\u00e1ce<\/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\/navrh-kovovych-pruzin-cast-1-zaklady\/#Hystereze\" >Hystereze<\/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\/navrh-kovovych-pruzin-cast-1-zaklady\/#Relaxace\" >Relaxace<\/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\/navrh-kovovych-pruzin-cast-1-zaklady\/#Spravna_volba_materialu_pruziny\" >Spr\u00e1vn\u00e1 volba materi\u00e1lu pru\u017einy<\/a><ul class='ez-toc-list-level-4' ><li class='ez-toc-heading-level-4'><ul class='ez-toc-list-level-4' ><li class='ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/blog.federnshop.com\/cs\/navrh-kovovych-pruzin-cast-1-zaklady\/#Pruznost_a_moduly_kluzu_ruznych_pruzinovych_materialu\" >Pru\u017enost a moduly kluzu r\u016fzn\u00fdch pru\u017einov\u00fdch materi\u00e1l\u016f<\/a><\/li><\/ul><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/blog.federnshop.com\/cs\/navrh-kovovych-pruzin-cast-1-zaklady\/#Vliv_pracovni_teploty_na_vyber_materialu_pruziny\" >Vliv pracovn\u00ed teploty na v\u00fdb\u011br materi\u00e1lu pru\u017einy<\/a><ul class='ez-toc-list-level-4' ><li class='ez-toc-heading-level-4'><ul class='ez-toc-list-level-4' ><li class='ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/blog.federnshop.com\/cs\/navrh-kovovych-pruzin-cast-1-zaklady\/#Chovani_pri_zvysenych_pracovnich_teplotach\" >Chov\u00e1n\u00ed p\u0159i zv\u00fd\u0161en\u00fdch pracovn\u00edch teplot\u00e1ch<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/blog.federnshop.com\/cs\/navrh-kovovych-pruzin-cast-1-zaklady\/#Chovani_pri_nizkych_provoznich_teplotach\" >Chov\u00e1n\u00ed p\u0159i n\u00edzk\u00fdch provozn\u00edch teplot\u00e1ch<\/a><\/li><\/ul><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/blog.federnshop.com\/cs\/navrh-kovovych-pruzin-cast-1-zaklady\/#Pouziti_pruzinovych_systemu\" >Pou\u017eit\u00ed pru\u017einov\u00fdch syst\u00e9m\u016f<\/a><ul class='ez-toc-list-level-4' ><li class='ez-toc-heading-level-4'><ul class='ez-toc-list-level-4' ><li class='ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-11\" href=\"https:\/\/blog.federnshop.com\/cs\/navrh-kovovych-pruzin-cast-1-zaklady\/#A_Paralelni_pripojeni\" >A) Paraleln\u00ed p\u0159ipojen\u00ed<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-12\" href=\"https:\/\/blog.federnshop.com\/cs\/navrh-kovovych-pruzin-cast-1-zaklady\/#b_Seriove_pripojeni\" >b) S\u00e9riov\u00e9 p\u0159ipojen\u00ed<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-13\" href=\"https:\/\/blog.federnshop.com\/cs\/navrh-kovovych-pruzin-cast-1-zaklady\/#C_Smiseny_obvod\" >C) Sm\u00ed\u0161en\u00fd obvod<\/a><\/li><\/ul><\/li><\/ul><\/li><\/ul><\/nav><\/div>\n<h2><span class=\"ez-toc-section\" id=\"Charakteristicka_krivka_pruziny\"><\/span>Charakteristick\u00e1 k\u0159ivka pru\u017einy<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><a href=\"https:\/\/info.formfedern.com\/federarten\/\" target=\"_blank\" rel=\"noopener\">Kovov\u00e9 pru\u017einy nebo technick\u00e9 pru\u017einy<\/a> jsou vyr\u00e1b\u011bny podle va\u0161ich <a href=\"https:\/\/blog.federnshop.com\/federkennlinie\/\" target=\"_blank\" rel=\"noopener noreferrer\">Jarn\u00ed charakteristika<\/a> soud\u011b. Tato charakteristika pru\u017einy p\u0159edstavuje z\u00e1vislost<a href=\"https:\/\/blog.federnshop.com\/federkraft-berechnen\/\" target=\"_blank\" rel=\"noopener noreferrer\"> S\u00edla pru\u017einy<\/a> (F) p\u0159edstavuje zdvih pru\u017einy. Proto\u017ee v z\u00e1vislosti na tom, kter\u00e1 charakteristika pru\u017einy je po\u017eadov\u00e1na (line\u00e1rn\u00ed, progresivn\u00ed, degresivn\u00ed nebo kombinovan\u00e1), se m\u011bn\u00ed tak\u00e9 tvar a typ pru\u017einy.<\/p>\n<figure id=\"attachment_6689\" aria-describedby=\"caption-attachment-6689\" style=\"width: 750px\" class=\"wp-caption alignnone\"><a href=\"https:\/\/blog.federnshop.com\/federkennlinie\/\" target=\"_blank\" rel=\"noopener noreferrer\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-2776 size-large\" src=\"https:\/\/blog.federnshop.com\/wp-content\/uploads\/\/Federkennlinien_Gutekunst-1024x601.jpg\" alt=\"Charakteristika pru\u017einy - Gutekunst Federn\" width=\"750\" height=\"440\" data-wp-pid=\"2776\" srcset=\"https:\/\/blog.federnshop.com\/wp-content\/uploads\/Federkennlinien_Gutekunst-1024x601.jpg 1024w, https:\/\/blog.federnshop.com\/wp-content\/uploads\/Federkennlinien_Gutekunst-300x176.jpg 300w, https:\/\/blog.federnshop.com\/wp-content\/uploads\/Federkennlinien_Gutekunst-768x451.jpg 768w, https:\/\/blog.federnshop.com\/wp-content\/uploads\/Federkennlinien_Gutekunst-600x352.jpg 600w, https:\/\/blog.federnshop.com\/wp-content\/uploads\/Federkennlinien_Gutekunst-150x88.jpg 150w, https:\/\/blog.federnshop.com\/wp-content\/uploads\/Federkennlinien_Gutekunst-400x235.jpg 400w, https:\/\/blog.federnshop.com\/wp-content\/uploads\/Federkennlinien_Gutekunst-200x117.jpg 200w, https:\/\/blog.federnshop.com\/wp-content\/uploads\/Federkennlinien_Gutekunst.jpg 1200w\" sizes=\"auto, (max-width: 750px) 100vw, 750px\" \/><\/a><figcaption id=\"caption-attachment-6689\" class=\"wp-caption-text\">Vlastnosti pru\u017einy a) postup ku\u017eelov\u00e9 tla\u010dn\u00e9 pru\u017einy, b) line\u00e1rn\u00ed v\u00e1lcov\u00e1 tla\u010dn\u00e1 pru\u017eina, sestupn\u011b sloupec kotou\u010dov\u00e9 pru\u017einy<\/figcaption><\/figure>\n<p>S<a href=\"https:\/\/blog.federnshop.com\/federkonstante\/\" target=\"_blank\" rel=\"noopener noreferrer\"> Jarn\u00ed sazba<\/a> (R) charakteristika pru\u017einy je ur\u010dena v diagramu pru\u017einy. M\u00edra pru\u017einy (R) je proto d\u016fle\u017eitou hodnotou p\u0159i n\u00e1vrhu pru\u017einy pro spr\u00e1vnou pru\u017einu. V<a href=\"https:\/\/blog.federnshop.com\/federkennlinie\/\" target=\"_blank\" rel=\"noopener noreferrer\"> line\u00e1rn\u00ed charakteristika pru\u017einy<\/a> pru\u017eina je konstantn\u00ed. Pru\u017einy se zak\u0159ivenou charakteristikou pru\u017einy maj\u00ed prom\u011bnnou rychlost pru\u017een\u00ed. N\u00e1sleduj\u00edc\u00ed vzorce tedy plat\u00ed pro line\u00e1rn\u00ed charakteristiku:<\/p>\n<p><strong>pro tla\u010dn\u00e9 a ta\u017en\u00e9 pru\u017einy<\/strong><\/p>\n<span class=\"katex-eq\" data-katex-display=\"false\">R=\\frac{F2-F1}{s2-s1}<\/span>\n<p><strong>pro nohy a torzn\u00ed pru\u017einy<\/strong><\/p>\n<span class=\"katex-eq\" data-katex-display=\"false\">R_{M}=\\frac{M2-M1}{\\alpha2-\\alpha1}<\/span>\n<p>&nbsp;<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Jarni_prace\"><\/span>Jarn\u00ed pr\u00e1ce<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Kdy\u017e je kovov\u00e1 pru\u017eina napnut\u00e1, je pr\u00e1ce hotov\u00e1, kter\u00e1 se pot\u00e9 po uvoln\u011bn\u00ed nap\u011bt\u00ed znovu uvoln\u00ed. Pru\u017einov\u00e1 pr\u00e1ce (W) je v\u017edy v\u00fdsledkem oblasti pod charakteristikou pru\u017einy. U line\u00e1rn\u00ed charakteristiky pru\u017einy plat\u00ed:<\/p>\n<p><strong>pro tla\u010dn\u00e9 a ta\u017en\u00e9 pru\u017einy<\/strong><\/p>\n<span class=\"katex-eq\" data-katex-display=\"false\">W=\\frac{1}{2}F\\cdot s<\/span>\n<p><strong>pro nohy a torzn\u00ed pru\u017einy<\/strong><\/p>\n<span class=\"katex-eq\" data-katex-display=\"false\">W=\\frac{1}{2}M\\cdot \\alpha<\/span>\n<p>V\u00fdpo\u010dtem objemov\u00e9 u\u017eitn\u00e9 hodnoty lze ur\u010dit r\u016fzn\u00e9 typy pru\u017ein pomoc\u00ed pom\u011bru pru\u017einov\u00fdch prac\u00ed (W) a instala\u010dn\u00ed prostor (V) vz\u00e1jemn\u00e9 srovn\u00e1n\u00ed:<\/p>\n<span class=\"katex-eq\" data-katex-display=\"false\">\\eta_{A}=\\frac{W}{V}<\/span>\n<p>&nbsp;<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Hystereze\"><\/span>Hystereze<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignright wp-image-2763 size-medium\" src=\"https:\/\/blog.federnshop.com\/wp-content\/uploads\/\/Federarbeit_bei_Reibung_600-300x300.jpg\" alt=\"Jarn\u00ed pr\u00e1ce s t\u0159en\u00edm | Gutekunst pe\u0159\u00ed\" width=\"300\" height=\"300\" data-wp-pid=\"2763\" srcset=\"https:\/\/blog.federnshop.com\/wp-content\/uploads\/Federarbeit_bei_Reibung_600-300x300.jpg 300w, https:\/\/blog.federnshop.com\/wp-content\/uploads\/Federarbeit_bei_Reibung_600-150x150.jpg 150w, https:\/\/blog.federnshop.com\/wp-content\/uploads\/Federarbeit_bei_Reibung_600-270x270.jpg 270w, https:\/\/blog.federnshop.com\/wp-content\/uploads\/Federarbeit_bei_Reibung_600-230x230.jpg 230w, https:\/\/blog.federnshop.com\/wp-content\/uploads\/Federarbeit_bei_Reibung_600-200x200.jpg 200w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/p>\n<p>Chov\u00e1n\u00ed odpru\u017een\u00ed m\u016f\u017ee b\u00fdt ovlivn\u011bno vn\u011bj\u0161\u00edm t\u0159en\u00edm. Tyto t\u0159ec\u00ed s\u00edly br\u00e1n\u00ed zotaven\u00ed pru\u017einy. V p\u0159\u00edpad\u011b st\u0159\u00eddav\u00e9ho zat\u00ed\u017een\u00ed je to vyj\u00e1d\u0159eno formou a<a href=\"https:\/\/blog.federnshop.com\/hystereseschleife\/\" target=\"_blank\" rel=\"noopener noreferrer\"> Hysterezn\u00ed smy\u010dka<\/a> . \u010c\u00e1st pru\u017einov\u00fdch prac\u00ed se t\u0159en\u00edm p\u0159em\u011bn\u00ed na teplo a pot\u00e9 se \u201eztrat\u00ed\u201c. Proto\u017ee je to p\u0159i pou\u017eit\u00ed pru\u017ein ne\u017e\u00e1douc\u00ed, jak\u00e9koli t\u0159en\u00ed by m\u011blo b\u00fdt navr\u017eeno uspo\u0159\u00e1d\u00e1n\u00edm a<a href=\"https:\/\/blog.federnshop.com\/bauformen-metallfedern\/\" target=\"_blank\" rel=\"noopener noreferrer\"> Tvar pe\u0159\u00ed<\/a> je t\u0159eba se vyhnout.<\/p>\n<figure id=\"attachment_3192\" aria-describedby=\"caption-attachment-3192\" style=\"width: 300px\" class=\"wp-caption alignleft\"><a href=\"https:\/\/blog.federnshop.com\/hystereseschleife\/\" target=\"_blank\" rel=\"noopener noreferrer\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-1239 size-medium\" src=\"https:\/\/blog.federnshop.com\/wp-content\/uploads\/\/Hystereseschleife_600-300x300.jpg\" alt=\"Hysterezn\u00ed smy\u010dkov\u00e9 ocelov\u00e9 pru\u017einy\" width=\"300\" height=\"300\" data-wp-pid=\"1239\" srcset=\"https:\/\/blog.federnshop.com\/wp-content\/uploads\/Hystereseschleife_600-300x300.jpg 300w, https:\/\/blog.federnshop.com\/wp-content\/uploads\/Hystereseschleife_600-150x150.jpg 150w, https:\/\/blog.federnshop.com\/wp-content\/uploads\/Hystereseschleife_600-200x200.jpg 200w, https:\/\/blog.federnshop.com\/wp-content\/uploads\/Hystereseschleife_600.jpg 600w, https:\/\/blog.federnshop.com\/wp-content\/uploads\/Hystereseschleife_600-270x270.jpg 270w, https:\/\/blog.federnshop.com\/wp-content\/uploads\/Hystereseschleife_600-230x230.jpg 230w, https:\/\/blog.federnshop.com\/wp-content\/uploads\/Hystereseschleife_600-400x400-cropped.jpg 400w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/a><figcaption id=\"caption-attachment-3192\" class=\"wp-caption-text\">T\u0159ec\u00ed hysterezn\u00ed smy\u010dka<\/figcaption><\/figure>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Relaxace\"><\/span>Relaxace<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Nap\u0159\u00edklad pokud je pou\u017eita tla\u010dn\u00e1 pru\u017eina<a href=\"https:\/\/blog.federnshop.com\/federwerkstoffe-arbeitstemperatur\/\" target=\"_blank\" rel=\"noopener noreferrer\"> vy\u0161\u0161\u00ed teplota<\/a> je stla\u010den na ur\u010ditou d\u00e9lku mezi rovnob\u011b\u017en\u00fdmi deskami, lze ur\u010dit, \u017ee<a href=\"https:\/\/blog.federnshop.com\/federkraft-berechnen\/\" target=\"_blank\" rel=\"noopener noreferrer\"> S\u00edla pru\u017einy<\/a> postupn\u011b kles\u00e1. Tato ztr\u00e1ta s\u00edly se zvy\u0161uje se zvy\u0161uj\u00edc\u00ed se teplotou a nap\u011bt\u00edm.<\/p>\n<p><a href=\"https:\/\/blog.federnshop.com\/relaxation-federn\/\" target=\"_blank\" rel=\"noopener noreferrer\">Relaxace<\/a> materi\u00e1lu je plastick\u00e1 deformace, kter\u00e1 se projevuje ztr\u00e1tou s\u00edly p\u0159i konstantn\u00ed d\u00e9lce instalace. Ud\u00e1v\u00e1 se jako procento v\u00fdstupn\u00ed s\u00edly F1:<\/p>\n<span class=\"katex-eq\" data-katex-display=\"false\">Relaxace=\\frac{\\Delta F\\cdot 100}{F1}<\/span>\n<p>N\u00e1sleduj\u00edc\u00ed diagram ukazuje z\u00e1kladn\u00ed pr\u016fb\u011bh relaxace a rychlost relaxace:<\/p>\n<figure id=\"attachment_6691\" aria-describedby=\"caption-attachment-6691\" style=\"width: 750px\" class=\"wp-caption alignnone\"><a href=\"https:\/\/blog.federnshop.com\/relaxation-federn\/\" target=\"_blank\" rel=\"noopener noreferrer\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-2777 size-large\" src=\"https:\/\/blog.federnshop.com\/wp-content\/uploads\/\/Relaxation_Gutekunst-1024x628.jpg\" alt=\"Relaxa\u010dn\u00ed grafika - Gutekunst Federn\" width=\"750\" height=\"460\" data-wp-pid=\"2777\" srcset=\"https:\/\/blog.federnshop.com\/wp-content\/uploads\/Relaxation_Gutekunst-1024x628.jpg 1024w, https:\/\/blog.federnshop.com\/wp-content\/uploads\/Relaxation_Gutekunst-300x184.jpg 300w, https:\/\/blog.federnshop.com\/wp-content\/uploads\/Relaxation_Gutekunst-768x471.jpg 768w, https:\/\/blog.federnshop.com\/wp-content\/uploads\/Relaxation_Gutekunst-600x368.jpg 600w, https:\/\/blog.federnshop.com\/wp-content\/uploads\/Relaxation_Gutekunst-150x92.jpg 150w, https:\/\/blog.federnshop.com\/wp-content\/uploads\/Relaxation_Gutekunst-400x245.jpg 400w, https:\/\/blog.federnshop.com\/wp-content\/uploads\/Relaxation_Gutekunst-200x123.jpg 200w, https:\/\/blog.federnshop.com\/wp-content\/uploads\/Relaxation_Gutekunst.jpg 1200w\" sizes=\"auto, (max-width: 750px) 100vw, 750px\" \/><\/a><figcaption id=\"caption-attachment-6691\" class=\"wp-caption-text\">\u010casov\u00fd pr\u016fb\u011bh relaxace a rychlost relaxace ve spir\u00e1lov\u00fdch tlakov\u00fdch pru\u017ein\u00e1ch<\/figcaption><\/figure>\n<p>Hodnoty relaxace po 48 hodin\u00e1ch se pova\u017euj\u00ed za charakteristick\u00e9 hodnoty, i kdy\u017e relaxace v tomto okam\u017eiku je\u0161t\u011b nen\u00ed \u00fapln\u011b \u00fapln\u00e1. Materi\u00e1lov\u011b z\u00e1visl\u00e9 relaxa\u010dn\u00ed diagramy najdete v <a href=\"https:\/\/www.beuth.de\/de\/norm\/din-en-13906-1\/189797622\" target=\"_blank\" rel=\"noopener\">EN 13906-1<\/a>. Ty mus\u00ed projektant zahrnout, pouze pokud jsou kladeny vysok\u00e9 n\u00e1roky na st\u00e1lost s\u00edly pru\u017einy. Relaxace p\u0159i r\u016fzn\u00fdch teplotn\u00edch stavech se pou\u017e\u00edv\u00e1 p\u0159i v\u00fdpo\u010dtu v<a href=\"https:\/\/www.federnshop.com\/de\/federberechnung-auswahl.html\" target=\"_blank\" rel=\"noopener noreferrer\"> Jarn\u00ed v\u00fdpo\u010detn\u00ed program<\/a> WinFSB od Gutekunst Federn, k dispozici na<a href=\"https:\/\/www.federnshop.com\" target=\"_blank\" rel=\"noopener noreferrer\"><u> www.federnshop.com<\/u><\/a> , zobrazeno s.<\/p>\n<p>&nbsp;<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Spravna_volba_materialu_pruziny\"><\/span>Spr\u00e1vn\u00e1 volba materi\u00e1lu pru\u017einy<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><a href=\"https:\/\/blog.federnshop.com\/extremfall\/\" target=\"_blank\" rel=\"noopener noreferrer\">Kovov\u00e9 pru\u017einy<\/a> mus\u00ed b\u00fdt vyrobeny z vhodn\u00e9ho <a href=\"https:\/\/blog.federnshop.com\/federstahl\/\" target=\"_blank\" rel=\"noopener noreferrer\">materi\u00e1lu<\/a> a mus\u00ed b\u00fdt navr\u017eeny a tvarov\u00e1ny tak, aby se po odstran\u011bn\u00ed p\u016fsob\u00edc\u00edho zat\u00ed\u017een\u00ed vr\u00e1tily do p\u016fvodn\u00edho tvaru. Tato vlastnost je vyj\u00e1d\u0159ena v<a href=\"https:\/\/blog.federnshop.com\/elastizitaetsmodul\/\" target=\"_blank\" rel=\"noopener noreferrer\"> modul pru\u017enosti<\/a> a v posuvn\u00e9m modulu. Tyto<a href=\"https:\/\/blog.federnshop.com\/federstahl\/\" target=\"_blank\" rel=\"noopener noreferrer\"> Parametry materi\u00e1lu<\/a> vyj\u00e1d\u0159it vztah mezi nap\u011bt\u00edm a prodlou\u017een\u00edm a m\u011bl by m\u00edt co nejvy\u0161\u0161\u00ed hodnotu.<\/p>\n<p><strong>Pru\u017einov\u00e9 materi\u00e1ly by nav\u00edc m\u011bly:<\/strong><\/p>\n<ul>\n<li>vysok\u00e9 limity pru\u017enosti, tj. velk\u00fd, \u010dist\u011b elastick\u00fd rozsah,<\/li>\n<li>odpov\u00eddaj\u00edc\u00ed nap\u011bt\u00ed tak\u00e9 na<a href=\"https:\/\/blog.federnshop.com\/federwerkstoffe-arbeitstemperatur\/\" target=\"_blank\" rel=\"noopener noreferrer\"> zv\u00fd\u0161en\u00e9 teploty<\/a> vydr\u017eet bez v\u011bt\u0161\u00ed ztr\u00e1ty s\u00edly (n\u00edzk\u00e1 relaxace),<\/li>\n<li>maj\u00ed vysokou \u00fanavovou pevnost (jemnozrnn\u00e1 struktura, bez ne\u010distot),<\/li>\n<li>m\u00edt dostate\u010dnou deformovatelnost,<\/li>\n<li>m\u00edt povrch, kter\u00fd je co nejv\u00edce kluzk\u00fd,<\/li>\n<li>odol\u00e1vat ur\u010dit\u00fdm po\u017eadavk\u016fm na ochranu proti korozi,<\/li>\n<li>b\u00fdt elektricky vodiv\u00e9 nebo nemagnetick\u00e9.<\/li>\n<\/ul>\n<h4><span class=\"ez-toc-section\" id=\"Pruznost_a_moduly_kluzu_ruznych_pruzinovych_materialu\"><\/span>Pru\u017enost a moduly kluzu r\u016fzn\u00fdch pru\u017einov\u00fdch materi\u00e1l\u016f<span class=\"ez-toc-section-end\"><\/span><\/h4>\n<table width=\"240\">\n<tbody>\n<tr>\n<td width=\"80\">Federwerkstoff<\/td>\n<td width=\"80\">Modul pru\u017enosti [N\/mm\u00b2]<\/td>\n<td width=\"80\">G modul [N\/mm\u00b2]<\/td>\n<\/tr>\n<tr>\n<td>Patentovan\u00fd ta\u017een\u00fd dr\u00e1t z pru\u017einov\u00e9 oceli podle EN 10270-1<\/td>\n<td>206000<\/td>\n<td>81500<\/td>\n<\/tr>\n<tr>\n<td>Olejem temperovan\u00fd dr\u00e1t pru\u017einy ventilu podle EN 10270-2<\/td>\n<td>206000<\/td>\n<td>81500<\/td>\n<\/tr>\n<tr>\n<td>Ocel v\u00e1lcovan\u00e1 za tepla podle EN10089<\/td>\n<td>206000<\/td>\n<td>78500<\/td>\n<\/tr>\n<tr>\n<td>P\u00e1s v\u00e1lcovan\u00fd za studena podle EN 10132<\/td>\n<td>206000<\/td>\n<td>78500<\/td>\n<\/tr>\n<tr>\n<td>X10 CrNi 18 8 (1.4310)<\/td>\n<td>185000<\/td>\n<td>70000<\/td>\n<\/tr>\n<tr>\n<td>X7 CrNiAl 17 7 (1,4568)<\/td>\n<td>195000<\/td>\n<td>73000<\/td>\n<\/tr>\n<tr>\n<td>X5 CrNiMo 17-12-2 (1.4401)<\/td>\n<td>180000<\/td>\n<td>68000<\/td>\n<\/tr>\n<tr>\n<td>CuSn6 R950 podle EN 12166<\/td>\n<td>115000<\/td>\n<td>42000<\/td>\n<\/tr>\n<tr>\n<td>CuZn36 R700 podle EN 12166<\/td>\n<td>110000<\/td>\n<td>39000<\/td>\n<\/tr>\n<tr>\n<td>CuBe2 podle EN 12166<\/td>\n<td>120000<\/td>\n<td>47000<\/td>\n<\/tr>\n<tr>\n<td>CuNi18Zn20 podle EN 12166<\/td>\n<td>135000<\/td>\n<td>45000<\/td>\n<\/tr>\n<tr>\n<td>CuCo2Be podle EN 12166<\/td>\n<td>130000<\/td>\n<td>48000<\/td>\n<\/tr>\n<tr>\n<td>Inconel X750<\/td>\n<td>213000<\/td>\n<td>76000<\/td>\n<\/tr>\n<tr>\n<td>Nimonic 90<\/td>\n<td>213000<\/td>\n<td>83000<\/td>\n<\/tr>\n<tr>\n<td>Hastelloy C4<\/td>\n<td>210000<\/td>\n<td>76000<\/td>\n<\/tr>\n<tr>\n<td>Titanov\u00e1 slitina TiAl6V4<\/td>\n<td>104000<\/td>\n<td>39000<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2><span class=\"ez-toc-section\" id=\"Vliv_pracovni_teploty_na_vyber_materialu_pruziny\"><\/span>Vliv pracovn\u00ed teploty na v\u00fdb\u011br materi\u00e1lu pru\u017einy<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<h4><span class=\"ez-toc-section\" id=\"Chovani_pri_zvysenych_pracovnich_teplotach\"><\/span>Chov\u00e1n\u00ed p\u0159i zv\u00fd\u0161en\u00fdch pracovn\u00edch teplot\u00e1ch<span class=\"ez-toc-section-end\"><\/span><\/h4>\n<p>\u00darove\u0148 pracovn\u00ed teploty m\u016f\u017ee v\u00fdznamn\u011b ovlivnit funkci pru\u017einy, proto\u017ee se zvy\u0161uj\u00edc\u00ed se teplotou stoup\u00e1 tendence k relaxaci. Po vyhodnocen\u00ed relaxa\u010dn\u00edch diagram\u016f lze pro nejd\u016fle\u017eit\u011bj\u0161\u00ed materi\u00e1ly pru\u017einy nastavit n\u00e1sleduj\u00edc\u00ed mezn\u00ed teploty.<\/p>\n<p><strong>Omezte teploty pru\u017einov\u00fdch materi\u00e1l\u016f s minim\u00e1ln\u00ed relaxac\u00ed<\/strong><\/p>\n<table width=\"240\">\n<tbody>\n<tr>\n<td width=\"80\">Federwerkstoff<\/td>\n<td colspan=\"2\" width=\"160\">Maxim\u00e1ln\u00ed pracovn\u00ed teplota ve \u00b0 C p\u0159i<\/td>\n<\/tr>\n<tr>\n<td><\/td>\n<td>vysok\u00e9 zat\u00ed\u017een\u00ed<\/td>\n<td>n\u00edzk\u00e9 zat\u00ed\u017een\u00ed<\/td>\n<\/tr>\n<tr>\n<td>Patentovan\u00fd ta\u017een\u00fd dr\u00e1t z pru\u017einov\u00e9 oceli podle EN 10270-1<\/td>\n<td>60-80<\/td>\n<td>80-150<\/td>\n<\/tr>\n<tr>\n<td>Olejem temperovan\u00fd dr\u00e1t pru\u017einy ventilu podle EN 10270-2<\/td>\n<td>80-160<\/td>\n<td>120-160<\/td>\n<\/tr>\n<tr>\n<td>X10CrNi 18,8 (1,4310)<\/td>\n<td>160<\/td>\n<td>250<\/td>\n<\/tr>\n<tr>\n<td>X7CrNiAl 17,7 (1,4568)<\/td>\n<td>200<\/td>\n<td>350<\/td>\n<\/tr>\n<tr>\n<td>X5CrNiMo 17-12-2 (1.4401)<\/td>\n<td>160<\/td>\n<td>300<\/td>\n<\/tr>\n<tr>\n<td>CuSn6<\/td>\n<td>80<\/td>\n<td>100<\/td>\n<\/tr>\n<tr>\n<td>CuZn36<\/td>\n<td>40<\/td>\n<td>60<\/td>\n<\/tr>\n<tr>\n<td>CuBe2<\/td>\n<td>80<\/td>\n<td>120<\/td>\n<\/tr>\n<tr>\n<td>CuNi18Zn20<\/td>\n<td>80<\/td>\n<td>120<\/td>\n<\/tr>\n<tr>\n<td>Inconel X750<\/td>\n<td>475<\/td>\n<td>550<\/td>\n<\/tr>\n<tr>\n<td>Nimonic90<\/td>\n<td>500<\/td>\n<td>500<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>Krom\u011b toho vezm\u011bte d\u016fle\u017eit\u00e9 pro funkci pru\u017einy<a href=\"https:\/\/blog.federnshop.com\/federstahl\/\" target=\"_blank\" rel=\"noopener noreferrer\"> Vlastnosti materi\u00e1lu<\/a><a href=\"https:\/\/blog.federnshop.com\/elastizitaetsmodul\/\" target=\"_blank\" rel=\"noopener noreferrer\"> modul pru\u017enosti<\/a> a modul smyku kles\u00e1 s rostouc\u00ed teplotou. Jak modul smyku, tak modul pru\u017enosti se stanov\u00ed p\u0159i vy\u0161\u0161\u00ed teplot\u011b pomoc\u00ed n\u00e1sleduj\u00edc\u00edho vzorce, p\u0159i\u010dem\u017e z\u00e1kladem jsou materi\u00e1lov\u00e9 parametry p\u0159i teplot\u011b m\u00edstnosti (20 \u00b0 C).<\/p>\n<span class=\"katex-eq\" data-katex-display=\"false\">G_{t}=G_{20}=\\frac{3620-T}{3600}<\/span>\n<p>nebo.<\/p>\n<span class=\"katex-eq\" data-katex-display=\"false\">E_{t}=E_{20}=\\frac{3620-T}{3600}<\/span>\n<p>&nbsp;<\/p>\n<p>To umo\u017e\u0148uje projektantovi ur\u010dit skute\u010dn\u00e9 s\u00edly pru\u017einy p\u0159i o\u010dek\u00e1van\u00e9 provozn\u00ed teplot\u011b.<\/p>\n<h4><span class=\"ez-toc-section\" id=\"Chovani_pri_nizkych_provoznich_teplotach\"><\/span>Chov\u00e1n\u00ed p\u0159i n\u00edzk\u00fdch provozn\u00edch teplot\u00e1ch<span class=\"ez-toc-section-end\"><\/span><\/h4>\n<p>P\u0159i pou\u017eit\u00ed v chladic\u00edch syst\u00e9mech<a href=\"https:\/\/blog.federnshop.com\/druckfedern-weltall\/\" target=\"_blank\" rel=\"noopener noreferrer\"> ve vesm\u00edru<\/a> nebo kdy\u017e je v zim\u011b velmi chladno, je nutn\u00e9 vydr\u017eet teploty a\u017e &#8211; 200 \u00b0. P\u0159es stoup\u00e1n\u00ed<a href=\"https:\/\/blog.federnshop.com\/zugfestigkeit-federwerkstoffe\/\" target=\"_blank\" rel=\"noopener noreferrer\"> pevnost v tahu<\/a> n\u00edzk\u00e9 teploty maj\u00ed nep\u0159\u00edzniv\u00fd \u00fa\u010dinek, proto\u017ee se sni\u017euje hou\u017eevnatost materi\u00e1l\u016f a mohou nastat k\u0159ehk\u00e9 lomy. Nerezov\u00e9 pru\u017einov\u00e9 oceli, jako\u017e i slitiny m\u011bdi a niklu jsou v\u00fdhodn\u011bj\u0161\u00ed ne\u017e patentovan\u00e9 pru\u017einov\u00e9 dr\u00e1ty a dr\u00e1ty ventilov\u00fdch pru\u017ein, pokud se pou\u017e\u00edvaj\u00ed p\u0159i <a href=\"https:\/\/blog.federnshop.com\/tieftemperatur-federwerkstoffe\/\" target=\"_blank\" rel=\"noopener\">n\u00edzk\u00fdch teplot\u00e1ch<\/a>. V n\u00e1sleduj\u00edc\u00ed tabulce jsou uvedeny mezn\u00ed teploty.<\/p>\n<p><strong>Doporu\u010den\u00ed pro pou\u017eit\u00ed p\u0159i n\u00edzk\u00fdch teplot\u00e1ch<\/strong><\/p>\n<table width=\"160\">\n<tbody>\n<tr>\n<td width=\"80\">Federwerkstoff<\/td>\n<td width=\"80\">Minim\u00e1ln\u00ed pracovn\u00ed teplota ve \u00b0 C<\/td>\n<\/tr>\n<tr>\n<td>Patentovan\u00fd ta\u017een\u00fd dr\u00e1t z pru\u017einov\u00e9 oceli podle EN 10270-1<\/td>\n<td>-60<\/td>\n<\/tr>\n<tr>\n<td>Olejem temperovan\u00fd dr\u00e1t pru\u017einy ventilu podle EN 10270-2<\/td>\n<td>-60<\/td>\n<\/tr>\n<tr>\n<td>X10CrNi 18,8 (1,4310)<\/td>\n<td>-200<\/td>\n<\/tr>\n<tr>\n<td>X7CrNiAl 17,7 (1,4568)<\/td>\n<td>-200<\/td>\n<\/tr>\n<tr>\n<td>X5CrNiMo 17-12-2 (1.4401)<\/td>\n<td>-200<\/td>\n<\/tr>\n<tr>\n<td>CuSn6<\/td>\n<td>-200<\/td>\n<\/tr>\n<tr>\n<td>CuZn36<\/td>\n<td>-200<\/td>\n<\/tr>\n<tr>\n<td>CuBe2<\/td>\n<td>-200<\/td>\n<\/tr>\n<tr>\n<td>CuNi18Zn20<\/td>\n<td>-200<\/td>\n<\/tr>\n<tr>\n<td>Inconel X750<\/td>\n<td>-100<\/td>\n<\/tr>\n<tr>\n<td>Nimonic90<\/td>\n<td>-100<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>&nbsp;<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Pouziti_pruzinovych_systemu\"><\/span>Pou\u017eit\u00ed pru\u017einov\u00fdch syst\u00e9m\u016f<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Z konstruk\u010dn\u00edch d\u016fvod\u016f je tak\u00e9 mo\u017en\u00e9 pou\u017e\u00edt n\u011bkolik pru\u017ein k absorbov\u00e1n\u00ed sil a pohyb\u016f. Jednoduch\u00fd<a href=\"https:\/\/blog.federnshop.com\/druckfedern-federsysteme\/\" target=\"_blank\" rel=\"noopener noreferrer\"> Pru\u017einov\u00e9 syst\u00e9my<\/a> jsou<a href=\"https:\/\/blog.federnshop.com\/parallelschaltung-federn\/\" target=\"_blank\" rel=\"noopener noreferrer\"> Paraleln\u00ed<\/a> &#8211; a<a href=\"https:\/\/blog.federnshop.com\/reihenschaltung-federn\/\" target=\"_blank\" rel=\"noopener noreferrer\"> S\u00e9riov\u00e1 p\u0159ipojen\u00ed<\/a> .<\/p>\n<figure id=\"attachment_6693\" aria-describedby=\"caption-attachment-6693\" style=\"width: 360px\" class=\"wp-caption alignleft\"><a href=\"https:\/\/blog.federnshop.com\/federsysteme\/\" target=\"_blank\" rel=\"noopener noreferrer\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-2778\" src=\"https:\/\/blog.federnshop.com\/wp-content\/uploads\/\/Federsysteme_Gutekunst-1-258x300.jpg\" alt=\"Grafika pru\u017einov\u00fdch syst\u00e9m\u016f - Gutekunst Federn\" width=\"360\" height=\"419\" data-wp-pid=\"2778\" srcset=\"https:\/\/blog.federnshop.com\/wp-content\/uploads\/Federsysteme_Gutekunst-1-258x300.jpg 258w, https:\/\/blog.federnshop.com\/wp-content\/uploads\/Federsysteme_Gutekunst-1.jpg 600w, https:\/\/blog.federnshop.com\/wp-content\/uploads\/Federsysteme_Gutekunst-1-129x150.jpg 129w, https:\/\/blog.federnshop.com\/wp-content\/uploads\/Federsysteme_Gutekunst-1-400x466.jpg 400w, https:\/\/blog.federnshop.com\/wp-content\/uploads\/Federsysteme_Gutekunst-1-343x400.jpg 343w, https:\/\/blog.federnshop.com\/wp-content\/uploads\/Federsysteme_Gutekunst-1-515x600.jpg 515w, https:\/\/blog.federnshop.com\/wp-content\/uploads\/Federsysteme_Gutekunst-1-172x200.jpg 172w\" sizes=\"auto, (max-width: 360px) 100vw, 360px\" \/><\/a><figcaption id=\"caption-attachment-6693\" class=\"wp-caption-text\">Pru\u017einov\u00e9 syst\u00e9my a) paraleln\u00ed p\u0159ipojen\u00ed, b) s\u00e9riov\u00e9 p\u0159ipojen\u00ed, c) Sm\u011b\u0161ovac\u00ed okruh<\/figcaption><\/figure>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<h4><span class=\"ez-toc-section\" id=\"A_Paralelni_pripojeni\"><\/span>A)<a href=\"https:\/\/blog.federnshop.com\/parallelschaltung-federn\/\" target=\"_blank\" rel=\"noopener noreferrer\"> Paraleln\u00ed p\u0159ipojen\u00ed<\/a><span class=\"ez-toc-section-end\"><\/span><\/h4>\n<p>Pru\u017einy jsou uspo\u0159\u00e1d\u00e1ny tak, \u017ee vn\u011bj\u0161\u00ed zat\u00ed\u017een\u00ed (F) je proporcion\u00e1ln\u011b rozd\u011bleno mezi jednotliv\u00e9 pru\u017einy, ale pohyb jednotliv\u00fdch pru\u017ein je stejn\u00fd. V\u00fdsledkem je:<\/p>\n<p><span class=\"katex-eq\" data-katex-display=\"false\">s=s1=s2=s3=...<\/span> (celkov\u00fd zdvih zav\u011b\u0161en\u00ed)<\/p>\n<p><span class=\"katex-eq\" data-katex-display=\"false\">F=F1+F2+F3+...<\/span> (celkov\u00e1 s\u00edla pru\u017einy)<\/p>\n<p><span class=\"katex-eq\" data-katex-display=\"false\">R=R1+R2+R3+...<\/span> (celkov\u00e1 pru\u017enost)<\/p>\n<p><strong>Pru\u017enost celkov\u00e9ho syst\u00e9mu paraleln\u00edho spojen\u00ed je v\u017edy v\u011bt\u0161\u00ed ne\u017e pru\u017eina jednotliv\u00fdch pru\u017ein<\/strong><\/p>\n<h4><span class=\"ez-toc-section\" id=\"b_Seriove_pripojeni\"><\/span>b)<a href=\"https:\/\/blog.federnshop.com\/reihenschaltung-federn\/\" target=\"_blank\" rel=\"noopener noreferrer\"> S\u00e9riov\u00e9 p\u0159ipojen\u00ed<\/a><span class=\"ez-toc-section-end\"><\/span><\/h4>\n<p>Pru\u017einy jsou uspo\u0159\u00e1d\u00e1ny jeden za druh\u00fdm, tak\u017ee na ka\u017edou pru\u017einu p\u016fsob\u00ed stejn\u00e1 s\u00edla, ale dr\u00e1ha pru\u017einy je rozd\u011blena mezi jednotliv\u00e9 pru\u017einy. V\u00fdsledkem je:<\/p>\n<p><span class=\"katex-eq\" data-katex-display=\"false\">s=s1+s2+s3+...<\/span> (celkov\u00e1 dr\u00e1ha zav\u011b\u0161en\u00ed)<\/p>\n<p><span class=\"katex-eq\" data-katex-display=\"false\">F=F1=F2=F3=...<\/span> (celkov\u00e1 s\u00edla pru\u017einy)<\/p>\n<p><span class=\"katex-eq\" data-katex-display=\"false\">R=\\frac{1}{\\frac{1}{R1}+\\frac{1}{R2}+\\frac{1}{R3}+...}<\/span> (Celkov\u00e1 rychlost pru\u017einy)<\/p>\n<p><strong>Pru\u017eina celkov\u00e9ho syst\u00e9mu s\u00e9riov\u00e9ho p\u0159ipojen\u00ed je v\u017edy men\u0161\u00ed ne\u017e pru\u017eina jednotliv\u00fdch pru\u017ein<\/strong><\/p>\n<h4><span class=\"ez-toc-section\" id=\"C_Smiseny_obvod\"><\/span>C)<a href=\"https:\/\/blog.federnshop.com\/mischschaltungen-federn\/\" target=\"_blank\" rel=\"noopener noreferrer\"> Sm\u00ed\u0161en\u00fd obvod<\/a><span class=\"ez-toc-section-end\"><\/span><\/h4>\n<p>N\u011bkolik pru\u017ein je spojeno paraleln\u011b a jeden za druh\u00fdm. Kv\u016fli rovnov\u00e1ze mus\u00ed b\u00fdt R1 = R2 a R3 = R4. V uveden\u00e9m p\u0159\u00edpad\u011b plat\u00ed n\u00e1sleduj\u00edc\u00ed:<\/p>\n<p><span class=\"katex-eq\" data-katex-display=\"false\">R=\\frac{1}{\\frac{1}{R1+R2}+\\frac{1}{R3+R4}+...}<\/span> (Celkov\u00e1 rychlost pru\u017einy)<\/p>\n<p><strong>Pru\u017eina zobrazen\u00e9ho cel\u00e9ho syst\u00e9mu sm\u011b\u0161ovac\u00edho okruhu le\u017e\u00ed mezi nejmen\u0161\u00ed a nejv\u011bt\u0161\u00ed pru\u017einou jednotliv\u00fdch pru\u017ein!<\/strong><\/p>\n<p>&nbsp;<\/p>\n<p><strong>Ve druh\u00e9 \u010d\u00e1sti informa\u010dn\u00ed s\u00e9rie<a href=\"https:\/\/blog.federnshop.com\/auslegung-metallfedern-berechnung\/\" target=\"_blank\" rel=\"noopener noreferrer\"> N\u00e1vrh kovov\u00fdch pru\u017ein &#8211; \u010d\u00e1st 2 &#8222;V\u00fdpo\u010det<\/a> &#8222;poskytujeme v\u00e1m parametry v\u00fdpo\u010dtu pro<a href=\"https:\/\/blog.federnshop.com\/funktions-festigkeitsnachweis\/\" target=\"_blank\" rel=\"noopener noreferrer\"> Ov\u011b\u0159en\u00ed funkce a pevnosti<\/a> the<a href=\"https:\/\/blog.federnshop.com\/druckfedern\/\" target=\"_blank\" rel=\"noopener noreferrer\"> Tla\u010dn\u00e9 pru\u017einy<\/a> ,<a href=\"https:\/\/blog.federnshop.com\/zugfedern\/\" target=\"_blank\" rel=\"noopener noreferrer\"> Ta\u017en\u00e9 pru\u017einy<\/a> a<a href=\"https:\/\/blog.federnshop.com\/torsionsfedern\/\" target=\"_blank\" rel=\"noopener noreferrer\"> Pru\u017einy nohou<\/a> vp\u0159edu.<\/strong><\/p>\n<p>Pokud pot\u0159ebujete <a href=\"https:\/\/www.federnshop.com\/de\/federnanfrage-auswahl.html\" target=\"_blank\" rel=\"noopener\">n\u00e1vrh pru\u017einy na m\u00edru<\/a>, sta\u010d\u00ed n\u00e1m zaslat kl\u00ed\u010dov\u00e9 \u00fadaje o po\u017eadovan\u00e9 kovov\u00e9 pru\u017ein\u011b na adresu <a href=\"mailto:service@federnshop.com\">service@federnshop.com,<\/a> kontaktovat na\u0161e technick\u00e9 odd\u011blen\u00ed na telefonn\u00edm \u010d\u00edsle (+49) 035877 227-11 nebo pou\u017e\u00edt <a href=\"https:\/\/www.federnshop.com\/de\/service-und-informationen\/federberechnung-nach-din-13906.html\" target=\"_blank\" rel=\"noopener\">program pro v\u00fdpo\u010det pru\u017ein WinFSB spole\u010dnosti Gutekunst<\/a> na adrese <a href=\"https:\/\/www.federnshop.com\" target=\"_blank\" rel=\"noopener noreferrer\">www.federnshop.com<\/a>, kde je v\u00fdpo\u010det <a href=\"https:\/\/www.federnshop.com\/de\/berechnung\/druckfedern.html\" target=\"_blank\" rel=\"noopener\">tla\u010dn\u00fdch<\/a>, <a href=\"https:\/\/www.federnshop.com\/de\/berechnung\/zugfedern.html\" target=\"_blank\" rel=\"noopener\">ta\u017en\u00fdch<\/a> a <a href=\"https:\/\/www.federnshop.com\/de\/berechnung\/schenkelfedern.html\" target=\"_blank\" rel=\"noopener\">torzn\u00edch<\/a> pru\u017ein zdarma.<\/p>\n<p><em>Dodate\u010dn\u00e9 informace:<\/em><\/p>\n<ul>\n<li><a href=\"https:\/\/blog.federnshop.com\/druckfedern-auslegung-video\/\" target=\"_blank\" rel=\"noopener noreferrer\">Design tla\u010dn\u00e9 pru\u017einy (video)<\/a><\/li>\n<\/ul>\n<ul>\n<li><a href=\"https:\/\/blog.federnshop.com\/zugfedern-auslegung-video\/\" target=\"_blank\" rel=\"noopener noreferrer\">N\u00e1vrh ta\u017en\u00fdch pru\u017ein (video)<\/a><\/li>\n<\/ul>\n<ul>\n<li><a href=\"https:\/\/blog.federnshop.com\/auslegung-metallfedern-berechnung\/\" target=\"_blank\" rel=\"noopener noreferrer\">N\u00e1vrh kovov\u00fdch pru\u017ein &#8211; \u010c\u00e1st 2 &#8222;V\u00fdpo\u010det&#8220;<\/a><\/li>\n<\/ul>\n<ul>\n<li><a href=\"https:\/\/blog.federnshop.com\/massdaten-federauslegung\/\" target=\"_blank\" rel=\"noopener noreferrer\">\u00dadaje o rozm\u011brech pro n\u00e1vrh pru\u017einy<\/a><\/li>\n<\/ul>\n<ul>\n<li><a href=\"https:\/\/blog.federnshop.com\/neues-federnberechnungsprogramm\/\">Jarn\u00ed v\u00fdpo\u010detn\u00ed program WinFSB 8<\/a><\/li>\n<\/ul>\n<ul>\n<li><a href=\"https:\/\/blog.federnshop.com\/federstahldraht\/\" target=\"_blank\" rel=\"noopener noreferrer\">Pru\u017einov\u00e9 ocelov\u00e9 dr\u00e1ty a jejich vlastnosti<\/a><\/li>\n<\/ul>","protected":false},"excerpt":{"rendered":"<p>N\u00ed\u017ee je uveden souhrn z\u00e1kladn\u00edch informac\u00ed o Jarn\u00ed design z Tla\u010dn\u00e9 pru\u017einy , Ta\u017en\u00e9 pru\u017einy a Pru\u017einy nohou . Technick\u00e9 pru\u017einy jsou dodnes jedn\u00edm z nejd\u016fle\u017eit\u011bj\u0161\u00edch prvk\u016f stroje a \u00fasp\u011b\u0161n\u011b se pou\u017e\u00edvaj\u00ed ve vozidlech, p\u0159esn\u00fdch mechanick\u00fdch nebo elektrotechnick\u00fdch za\u0159\u00edzen\u00edch, zdravotnick\u00fdch<\/p>\n","protected":false},"author":4,"featured_media":6695,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_uf_show_specific_survey":0,"_uf_disable_surveys":false,"footnotes":""},"categories":[919,558,925,922,453,920,452],"tags":[1300,608,1499,1501,1502,1497,610,609],"class_list":["post-6686","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-dratene-pruziny","category-prumysl","category-specialni-pruziny","category-tazne-pruziny","category-tiskova-zprava","category-tlacne-pruziny","category-znalost","tag-drehfedern-cs","tag-druckfedern-cs","tag-federauslegung-cs","tag-federberechnung-cs","tag-grundlagen-cs","tag-konstruktion-cs","tag-schenkelfedern-cs","tag-zugfedern-cs"],"_links":{"self":[{"href":"https:\/\/blog.federnshop.com\/cs\/wp-json\/wp\/v2\/posts\/6686","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=6686"}],"version-history":[{"count":8,"href":"https:\/\/blog.federnshop.com\/cs\/wp-json\/wp\/v2\/posts\/6686\/revisions"}],"predecessor-version":[{"id":11109,"href":"https:\/\/blog.federnshop.com\/cs\/wp-json\/wp\/v2\/posts\/6686\/revisions\/11109"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/blog.federnshop.com\/cs\/wp-json\/wp\/v2\/media\/6695"}],"wp:attachment":[{"href":"https:\/\/blog.federnshop.com\/cs\/wp-json\/wp\/v2\/media?parent=6686"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/blog.federnshop.com\/cs\/wp-json\/wp\/v2\/categories?post=6686"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/blog.federnshop.com\/cs\/wp-json\/wp\/v2\/tags?post=6686"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}