{"id":5378,"date":"2020-11-09T17:07:11","date_gmt":"2020-11-09T15:07:11","guid":{"rendered":"https:\/\/blog.federnshop.com\/pruziny-charakteristika\/"},"modified":"2024-04-25T17:25:04","modified_gmt":"2024-04-25T15:25:04","slug":"pruziny-charakteristika","status":"publish","type":"post","link":"https:\/\/blog.federnshop.com\/cs\/pruziny-charakteristika\/","title":{"rendered":"Jarn\u00ed charakteristika"},"content":{"rendered":"<p>Charakteristick\u00e1 k\u0159ivka pru\u017einy ukazuje, jak se <a href=\"https:\/\/blog.federnshop.com\/federauswahl\/\">kovov\u00e1 pru\u017eina<\/a> chov\u00e1 b\u011bhem provozu. Popisuje vztah mezi <a href=\"https:\/\/blog.federnshop.com\/federkraft-berechnen\/\" target=\"_blank\" rel=\"noopener noreferrer\">silou pru\u017einy<\/a><strong>(F)<\/strong> a dr\u00e1hou pru\u017einy<strong>(s<\/strong>). V z\u00e1vislosti na <a href=\"https:\/\/blog.federnshop.com\/bauformen-metallfedern\/\" target=\"_blank\" rel=\"noopener noreferrer\">konstrukci pru\u017einy<\/a> nebo pou\u017eit\u00e9m <a href=\"https:\/\/blog.federnshop.com\/federsysteme\/\" target=\"_blank\" rel=\"noopener noreferrer\">syst\u00e9mu pru\u017ein<\/a> se rozli\u0161uje mezi line\u00e1rn\u00ed (<strong>b)<\/strong>, progresivn\u00ed<strong>(a<\/strong>), degresivn\u00ed<strong>(c)<\/strong> nebo kombinovanou charakteristikou pru\u017einy.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-1733 size-full\" src=\"https:\/\/blog.federnshop.com\/wp-content\/uploads\/Federkennlinien_600px.jpg\" alt=\"Vlastnosti pru\u017einy\" width=\"600\" height=\"352\" data-wp-pid=\"1733\" srcset=\"https:\/\/blog.federnshop.com\/wp-content\/uploads\/Federkennlinien_600px.jpg 600w, https:\/\/blog.federnshop.com\/wp-content\/uploads\/Federkennlinien_600px-300x176.jpg 300w, https:\/\/blog.federnshop.com\/wp-content\/uploads\/Federkennlinien_600px-200x117.jpg 200w\" sizes=\"auto, (max-width: 600px) 100vw, 600px\" \/><\/p>\n<p>U <a href=\"https:\/\/blog.federnshop.com\/bauformen-metallfeden\/\">ku\u017eelov\u00e9<\/a> konstrukce <a href=\"https:\/\/blog.federnshop.com\/bauformen-metallfeden\/\">pru\u017einy<\/a> a u <a href=\"https:\/\/blog.federnshop.com\/mischschaltungen-federn\/\">sm\u00ed\u0161en\u00e9ho obvodu jednotliv\u00fdch pru\u017ein<\/a>se z\u00edsk\u00e1 progresivn\u00ed charakteristick\u00e1 k\u0159ivka<strong>(a<\/strong>), kter\u00e1 s rostouc\u00ed v\u00fdchylkou zvy\u0161uje s\u00edlu. Line\u00e1rn\u00ed charakteristika pru\u017einy<strong>(b<\/strong>), kter\u00e1 s rostouc\u00ed v\u00fdchylkou rovnom\u011brn\u011b uvol\u0148uje s\u00edlu, se z\u00edsk\u00e1 p\u0159i <a href=\"https:\/\/blog.federnshop.com\/bauformen-metallfeden\/\">v\u00e1lcov\u00e9m<\/a> proveden\u00ed a p\u0159i <a href=\"https:\/\/blog.federnshop.com\/reihenschaltung-federn\/\">s\u00e9riov\u00e9m<\/a> nebo <a href=\"https:\/\/blog.federnshop.com\/parallelschaltung-federn\/\">paraleln\u00edm zapojen\u00ed<\/a>. K\u0159ivka degresivn\u00ed charakteristiky pru\u017einy<strong>(c)<\/strong>, kter\u00e1 s rostouc\u00ed v\u00fdchylkou sni\u017euje s\u00edlu, je dosa\u017eena pomoc\u00ed <a href=\"https:\/\/blog.federnshop.com\/bauformen-metallfeden\/\">sloupku tal\u00ed\u0159ov\u00e9 pru\u017einy<\/a>.<\/p>\n<figure id=\"attachment_5380\" aria-describedby=\"caption-attachment-5380\" style=\"width: 220px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-1150\" src=\"https:\/\/blog.federnshop.com\/wp-content\/uploads\/Druck_Kenn_1.jpg\" alt=\"Kombinovan\u00e1 charakteristika pru\u017einy\" width=\"220\" height=\"243\" data-wp-pid=\"1150\" srcset=\"https:\/\/blog.federnshop.com\/wp-content\/uploads\/Druck_Kenn_1.jpg 220w, https:\/\/blog.federnshop.com\/wp-content\/uploads\/Druck_Kenn_1-181x200.jpg 181w\" sizes=\"auto, (max-width: 220px) 100vw, 220px\" \/><figcaption id=\"caption-attachment-5380\" class=\"wp-caption-text\">Kombinovan\u00e1 charakteristika pru\u017einy<\/figcaption><\/figure>\n<p>Kombinovanou charakteristiku pru\u017einy<strong>(5<\/strong>), kter\u00e1 v ur\u010dit\u00fdch stavech pr\u016fhybu prudce m\u011bn\u00ed silov\u00e9 charakteristiky, lze dos\u00e1hnout kombinovan\u00fdmi konstrukcemi pru\u017ein a speci\u00e1ln\u00edmi <a href=\"https:\/\/blog.federnshop.com\/reihenschaltung-federn\/\">s\u00e9riov\u00fdmi<\/a> nebo <a href=\"https:\/\/blog.federnshop.com\/mischschaltungen-federn\/\">sm\u00ed\u0161en\u00fdmi obvody<\/a> jednotliv\u00fdch pru\u017ein. K\u0159ivka charakteristiky pru\u017einy<strong>(4<\/strong>) s vysokou p\u0159edp\u00ednac\u00ed silou a n\u00edzkou silovou k\u0159ivkou je dosa\u017eena pomoc\u00ed m\u011bkk\u00e9 p\u0159edp\u00ednac\u00ed pru\u017einy.<\/p>\n<p>Rychlost pru\u017een\u00ed<strong>(R)<\/strong> je sklon charakteristick\u00e9 k\u0159ivky pru\u017einy v diagramu pru\u017einy. P\u0159i line\u00e1rn\u00ed charakteristice pru\u017einy je tuhost pru\u017einy konstantn\u00ed. Pru\u017einy se zak\u0159ivenou charakteristikou pru\u017einy maj\u00ed prom\u011bnnou rychlost pru\u017een\u00ed. Pro line\u00e1rn\u00ed charakteristiky pru\u017ein plat\u00ed n\u00e1sleduj\u00edc\u00ed:<\/p>\n<p style=\"text-align: center;\">Pro tla\u010dn\u00e9 a ta\u017en\u00e9 pru\u017einy<\/p>\n<p style=\"text-align: center;\"><span class=\"katex-eq\" data-katex-display=\"false\">\\Large R = \\frac{F2 - F1}{s2 -s1}<\/span><\/p>\n<p style=\"text-align: center;\">Pro torzn\u00ed pru\u017einy \/ torzn\u00ed pru\u017einy<\/p>\n<p style=\"text-align: center;\"><span class=\"katex-eq\" data-katex-display=\"false\">\\Large R = \\frac{M2 - M1}{\\alpha2 -\\alpha1}<\/span><\/p>\n<p><em>Dodate\u010dn\u00e9 informace:<\/em><\/p>\n<ul>\n<li><a href=\"https:\/\/blog.federnshop.com\/federrate-berechnen\/\">V\u00fdpo\u010det pru\u017enosti v\u00e1lcov\u00fdch kovov\u00fdch pru\u017ein s line\u00e1rn\u00ed charakteristikou pru\u017einy<\/a><\/li>\n<\/ul>\n<ul>\n<li>V\u00fdpo\u010det celkov\u00e9 pru\u017enosti pro <a href=\"https:\/\/blog.federnshop.com\/parallelschaltung-federn\/\">paraleln\u00ed<\/a>, <a href=\"https:\/\/blog.federnshop.com\/reihenschaltung-federn\/\">s\u00e9riov\u00e9<\/a> a <a href=\"https:\/\/blog.federnshop.com\/mischschaltungen-federn\/\">sm\u00ed\u0161en\u00e9 obvody<\/a><\/li>\n<\/ul>\n<ul>\n<li><a href=\"https:\/\/blog.federnshop.com\/bauformen-metallfeden\/\">Druhy kovov\u00fdch pru\u017ein<\/a><\/li>\n<\/ul>\n<ul>\n<li><a href=\"https:\/\/www.federnshop.com\/de\/federberechnung-auswahl.html\" target=\"_blank\" rel=\"noopener noreferrer\">Jarn\u00ed v\u00fdpo\u010detn\u00ed program WinFSB<\/a><\/li>\n<\/ul>","protected":false},"excerpt":{"rendered":"<p>Charakteristick\u00e1 k\u0159ivka pru\u017einy ukazuje, jak se kovov\u00e1 pru\u017eina chov\u00e1 b\u011bhem provozu. Popisuje vztah mezi silou pru\u017einy(F) a dr\u00e1hou pru\u017einy(s). V z\u00e1vislosti na konstrukci pru\u017einy nebo pou\u017eit\u00e9m syst\u00e9mu pru\u017ein se rozli\u0161uje mezi line\u00e1rn\u00ed (b), progresivn\u00ed(a), degresivn\u00ed(c) nebo kombinovanou charakteristikou pru\u017einy. U<\/p>\n","protected":false},"author":4,"featured_media":5379,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_uf_show_specific_survey":0,"_uf_disable_surveys":false,"footnotes":""},"categories":[919,922,920,452],"tags":[608,612,610,609],"class_list":["post-5378","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-dratene-pruziny","category-tazne-pruziny","category-tlacne-pruziny","category-znalost","tag-druckfedern-cs","tag-federkennlinie-cs","tag-schenkelfedern-cs","tag-zugfedern-cs"],"_links":{"self":[{"href":"https:\/\/blog.federnshop.com\/cs\/wp-json\/wp\/v2\/posts\/5378","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=5378"}],"version-history":[{"count":4,"href":"https:\/\/blog.federnshop.com\/cs\/wp-json\/wp\/v2\/posts\/5378\/revisions"}],"predecessor-version":[{"id":11272,"href":"https:\/\/blog.federnshop.com\/cs\/wp-json\/wp\/v2\/posts\/5378\/revisions\/11272"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/blog.federnshop.com\/cs\/wp-json\/wp\/v2\/media\/5379"}],"wp:attachment":[{"href":"https:\/\/blog.federnshop.com\/cs\/wp-json\/wp\/v2\/media?parent=5378"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/blog.federnshop.com\/cs\/wp-json\/wp\/v2\/categories?post=5378"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/blog.federnshop.com\/cs\/wp-json\/wp\/v2\/tags?post=5378"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}