{"id":11573,"date":"2024-11-05T11:40:05","date_gmt":"2024-11-05T09:40:05","guid":{"rendered":"https:\/\/blog.federnshop.com\/?p=11573"},"modified":"2024-11-05T11:49:48","modified_gmt":"2024-11-05T09:49:48","slug":"co-znamena-tuhost-pruziny","status":"publish","type":"post","link":"https:\/\/blog.federnshop.com\/cs\/co-znamena-tuhost-pruziny\/","title":{"rendered":"Co znamen\u00e1 tuhost pru\u017einy?"},"content":{"rendered":"<p><img loading=\"lazy\" decoding=\"async\" class=\"alignright wp-image-9499\" src=\"https:\/\/blog.federnshop.com\/wp-content\/uploads\/\/Torsionsmoment-1-300x300.jpg\" alt=\"Jarn\u00ed konstanta - Gutekunst Federn\" width=\"250\" height=\"250\" data-wp-pid=\"9499\" srcset=\"https:\/\/blog.federnshop.com\/wp-content\/uploads\/Torsionsmoment-1-300x300.jpg 300w, https:\/\/blog.federnshop.com\/wp-content\/uploads\/Torsionsmoment-1-150x150.jpg 150w, https:\/\/blog.federnshop.com\/wp-content\/uploads\/Torsionsmoment-1-270x270.jpg 270w, https:\/\/blog.federnshop.com\/wp-content\/uploads\/Torsionsmoment-1-230x230.jpg 230w, https:\/\/blog.federnshop.com\/wp-content\/uploads\/Torsionsmoment-1-200x200.jpg 200w, https:\/\/blog.federnshop.com\/wp-content\/uploads\/Torsionsmoment-1-400x400.jpg 400w, https:\/\/blog.federnshop.com\/wp-content\/uploads\/Torsionsmoment-1.jpg 600w\" sizes=\"auto, (max-width: 250px) 100vw, 250px\" \/><\/p>\n<p>Tuhost pru\u017einy u tla\u010dn\u00fdch, ta\u017en\u00fdch a zkrutn\u00fdch pru\u017ein, zn\u00e1m\u00e1 tak\u00e9 jako konstanta pru\u017einy nebo moment pru\u017einy, je m\u00edrou tvrdosti kovov\u00e9 pru\u017einy. Ud\u00e1v\u00e1, jak velk\u00e1 s\u00edla je zapot\u0159eb\u00ed ke stla\u010den\u00ed tla\u010dn\u00e9 pru\u017einy o ur\u010ditou vzd\u00e1lenost, k nata\u017een\u00ed ta\u017en\u00e9 pru\u017einy nebo k pooto\u010den\u00ed torzn\u00ed pru\u017einy. Tuhost pru\u017einy se ud\u00e1v\u00e1 v newtonech na milimetr (N\/mm) a u torzn\u00edch pru\u017ein v newtonech na milimetr (Nmm). Z matematick\u00e9ho hlediska je tuhost pru\u017einy (R) definov\u00e1na Hookov\u00fdm z\u00e1konem:<\/p>\n<p><strong>Vzorec tuhost pru\u017einy \/ konstanta pru\u017einy tla\u010dn\u00e9 pru\u017einy (N\/mm)<\/strong><\/p>\n<p><strong><span class=\"katex-eq\" data-katex-display=\"false\">R=\\frac{Gd^{4}}{8D^{3}n}<\/span><\/strong><\/p>\n<p><strong>Vzorec tuhost pru\u017einy \/ konstantn\u00ed nap\u011bt\u00ed pru\u017einy (N\/mm)<\/strong><\/p>\n<p><strong><span class=\"katex-eq\" data-katex-display=\"false\">R=\\frac{Gd^{4}}{8D^{3}n}=\\frac{F-F0}{s}<\/span><\/strong><\/p>\n<p><strong>Vzorec tuhost pru\u017einy \/ moment pru\u017een\u00ed no\u017en\u00ed pru\u017einy (Nmm)<\/strong><\/p>\n<p><strong><span class=\"katex-eq\" data-katex-display=\"false\">R_{M}=\\frac{M}{\\alpha}=\\frac{d^{4}E}{3667Dn}<\/span><\/strong><\/p>\n<p><em>Vysv\u011btlen\u00ed vzorce:<\/em><\/p>\n<p>\u03b1 = \u00fahel nato\u010den\u00ed (\u00b0) d = pr\u016fm\u011br dr\u00e1tu (mm) D = st\u0159edn\u00ed pr\u016fm\u011br z\u00e1vitu (mm) E = modul pru\u017enosti (N\/mm\u00b2)<a href=\"https:\/\/blog.federnshop.com\/federstahl\/\">(E-modul r\u016fzn\u00fdch pru\u017einov\u00fdch ocel\u00ed<\/a>) F = s\u00edla pru\u017einy (N) G = modul kluzu a smyku (N\/mm\u00b2)<a href=\"https:\/\/blog.federnshop.com\/federstahl\/\">(G-<\/a><\/p>\n<p>m<a href=\"https:\/\/blog.federnshop.com\/federstahl\/\">odul r\u016fzn\u00fdch pru\u017einov\u00fdch ocel\u00ed<\/a>) F0 = vnit\u0159n\u00ed s\u00edla p\u0159edp\u011bt\u00ed M = to\u010div\u00fd moment (Nmm) n = po\u010det z\u00e1vit\u016f pru\u017einy (ks) R = konstanta pru\u017einy (N\/mm) RM = momentov\u00e1 rychlost pru\u017einy (Nmm) s = dr\u00e1ha pru\u017einy (mm) Vy\u0161\u0161\u00ed tuhost pru\u017einy znamen\u00e1, \u017ee k dosa\u017een\u00ed vy\u0161\u0161\u00ed rychlosti pru\u017een\u00ed je zapot\u0159eb\u00ed v\u011bt\u0161\u00ed s\u00edly, \u017ee ke stla\u010den\u00ed, nata\u017een\u00ed nebo pooto\u010den\u00ed kovov\u00e9 pru\u017einy o stejnou vzd\u00e1lenost je zapot\u0159eb\u00ed v\u011bt\u0161\u00ed s\u00edly. Tuhost pru\u017einy z\u00e1vis\u00ed na r\u016fzn\u00fdch faktorech, jako je materi\u00e1l, pr\u016fm\u011br dr\u00e1tu, vn\u011bj\u0161\u00ed pr\u016fm\u011br kovov\u00e9 pru\u017einy a po\u010det z\u00e1vit\u016f.<\/p>\n<p><em>Dal\u0161\u00ed informace<\/em><\/p>\n<ul>\n<li><a href=\"https:\/\/www.federnshop.com\/de\/federberechnung-auswahl.html\">Program v\u00fdpo\u010dtu pru\u017ein Gutekunst WinFSB<\/a><\/li>\n<li><a href=\"https:\/\/blog.federnshop.com\/federkraft-berechnen\/\">Vypo\u010d\u00edtejte s\u00edlu pru\u017einy<\/a><\/li>\n<li><a href=\"https:\/\/blog.federnshop.com\/federarbeit\/\">Jarn\u00ed pr\u00e1ce<\/a><\/li>\n<li><a href=\"https:\/\/blog.federnshop.com\/federstahl\/\">Vlastnosti pru\u017einov\u00e9 oceli<\/a><\/li>\n<li><a href=\"https:\/\/blog.federnshop.com\/federkennlinie\/\">Jarn\u00ed charakteristika<\/a><\/li>\n<\/ul>","protected":false},"excerpt":{"rendered":"<p>Tuhost pru\u017einy u tla\u010dn\u00fdch, ta\u017en\u00fdch a zkrutn\u00fdch pru\u017ein, zn\u00e1m\u00e1 tak\u00e9 jako konstanta pru\u017einy nebo moment pru\u017einy, je m\u00edrou tvrdosti kovov\u00e9 pru\u017einy. Ud\u00e1v\u00e1, jak velk\u00e1 s\u00edla je zapot\u0159eb\u00ed ke stla\u010den\u00ed tla\u010dn\u00e9 pru\u017einy o ur\u010ditou vzd\u00e1lenost, k nata\u017een\u00ed ta\u017en\u00e9 pru\u017einy nebo k<\/p>\n","protected":false},"author":5,"featured_media":9500,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_uf_show_specific_survey":0,"_uf_disable_surveys":false,"footnotes":""},"categories":[922,920,452],"tags":[1501,611,1417,2299,2590],"class_list":["post-11573","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-tazne-pruziny","category-tlacne-pruziny","category-znalost","tag-federberechnung-cs","tag-federkonstante-cs","tag-federovat","tag-tuhost-pruziny","tag-vzorec"],"_links":{"self":[{"href":"https:\/\/blog.federnshop.com\/cs\/wp-json\/wp\/v2\/posts\/11573","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\/5"}],"replies":[{"embeddable":true,"href":"https:\/\/blog.federnshop.com\/cs\/wp-json\/wp\/v2\/comments?post=11573"}],"version-history":[{"count":2,"href":"https:\/\/blog.federnshop.com\/cs\/wp-json\/wp\/v2\/posts\/11573\/revisions"}],"predecessor-version":[{"id":11587,"href":"https:\/\/blog.federnshop.com\/cs\/wp-json\/wp\/v2\/posts\/11573\/revisions\/11587"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/blog.federnshop.com\/cs\/wp-json\/wp\/v2\/media\/9500"}],"wp:attachment":[{"href":"https:\/\/blog.federnshop.com\/cs\/wp-json\/wp\/v2\/media?parent=11573"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/blog.federnshop.com\/cs\/wp-json\/wp\/v2\/categories?post=11573"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/blog.federnshop.com\/cs\/wp-json\/wp\/v2\/tags?post=11573"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}