{"id":9434,"date":"2021-12-22T16:45:48","date_gmt":"2021-12-22T14:45:48","guid":{"rendered":"https:\/\/info.formfedern.com\/polomer-ohybu-pri-tvareni-kovu\/"},"modified":"2021-12-22T16:46:02","modified_gmt":"2021-12-22T14:46:02","slug":"polomer-ohybu-pri-tvareni-kovu","status":"publish","type":"post","link":"https:\/\/info.formfedern.com\/cs\/polomer-ohybu-pri-tvareni-kovu\/","title":{"rendered":"Polom\u011br ohybu p\u0159i tv\u00e1\u0159en\u00ed kov\u016f"},"content":{"rendered":"<p>Polom\u011br ohybu (r) je polom\u011br, kter\u00fd se m\u011b\u0159\u00ed po <a href=\"https:\/\/info.formfedern.com\/biegeverfahren-metallumformung\/\">procesu oh\u00fdb\u00e1n\u00ed<\/a> kovov\u00e9 sou\u010d\u00e1sti nebo <a href=\"https:\/\/info.formfedern.com\/formfedern-flachfedern-blattfedern\/\">tvarov\u00e9 pru\u017einy<\/a> a <a href=\"https:\/\/info.formfedern.com\/flachformfeder_auslegen\/\">ploch\u00e9<\/a> pru\u017einy. <a href=\"https:\/\/info.formfedern.com\/federstahlbleche-eigenschaften\/\">Pevnost materi\u00e1lu pru\u017einy<\/a> v\u0161ak v d\u016fsledku oh\u00fdb\u00e1n\u00ed kles\u00e1. Sn\u00ed\u017e\u00ed se tak\u00e9 tlou\u0161\u0165ka materi\u00e1lu v m\u00edst\u011b ohybu.<\/p>\n<p><a href=\"https:\/\/info.formfedern.com\/wp-content\/uploads\/Biegeradius_Grafik.jpg\" target=\"_blank\" rel=\"noopener noreferrer\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-9435\" src=\"https:\/\/info.formfedern.com\/wp-content\/uploads\/\/Biegeradius_Grafik-300x225.jpg\" alt=\"Polom\u011br oh\u00fdb\u00e1n\u00ed kovu - Gutekunst Formfedern\" width=\"400\" height=\"300\" data-wp-pid=\"2440\" srcset=\"https:\/\/info.formfedern.com\/wp-content\/uploads\/Biegeradius_Grafik-300x225.jpg 300w, https:\/\/info.formfedern.com\/wp-content\/uploads\/Biegeradius_Grafik-768x576.jpg 768w, https:\/\/info.formfedern.com\/wp-content\/uploads\/Biegeradius_Grafik-600x450.jpg 600w, https:\/\/info.formfedern.com\/wp-content\/uploads\/Biegeradius_Grafik-200x150.jpg 200w, https:\/\/info.formfedern.com\/wp-content\/uploads\/Biegeradius_Grafik.jpg 800w\" sizes=\"auto, (max-width: 400px) 100vw, 400px\" \/><\/a><\/p>\n<ul>\n<li>\u03b1 = \u00fahel ohybu<\/li>\n<li>\u03b2 = \u00fahel otev\u0159en\u00ed<\/li>\n<li>L = d\u00e9lka materi\u00e1lu<\/li>\n<li>r = polom\u011br ohybu<\/li>\n<li>s = tlou\u0161\u0165ka plechu pru\u017einov\u00e9 oceli<\/li>\n<\/ul>\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:\/\/info.formfedern.com\/cs\/polomer-ohybu-pri-tvareni-kovu\/#Podrobny_proces_ohybani\" >Podrobn\u00fd proces oh\u00fdb\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:\/\/info.formfedern.com\/cs\/polomer-ohybu-pri-tvareni-kovu\/#Jak_urcite_minimalni_polomer_ohybu\" >Jak ur\u010d\u00edte minim\u00e1ln\u00ed polom\u011br ohybu?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/info.formfedern.com\/cs\/polomer-ohybu-pri-tvareni-kovu\/#Co_je_treba_vzit_v_uvahu_pri_ohybani\" >Co je t\u0159eba vz\u00edt v \u00favahu p\u0159i oh\u00fdb\u00e1n\u00ed?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/info.formfedern.com\/cs\/polomer-ohybu-pri-tvareni-kovu\/#Pruzinovy_design_od_Gutekunst_tvori_pruziny\" >Pru\u017einov\u00fd design od Gutekunst tvo\u0159\u00ed pru\u017einy<\/a><\/li><\/ul><\/nav><\/div>\n<h2><span class=\"ez-toc-section\" id=\"Podrobny_proces_ohybani\"><\/span>Podrobn\u00fd proces oh\u00fdb\u00e1n\u00ed:<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>B\u011bhem procesu <a href=\"https:\/\/info.formfedern.com\/biegeverfahren-metallumformung\/\">oh\u00fdb\u00e1n\u00ed<\/a> se vn\u011bj\u0161\u00ed vl\u00e1kno nebo vn\u011bj\u0161\u00ed strana (na obr\u00e1zku \u010derven\u011b ozna\u010den\u00e1) <a href=\"https:\/\/info.formfedern.com\/formfedern-flachfedern-blattfedern\/\">tvarovan\u00e9 pru\u017einy<\/a> , <a href=\"https:\/\/info.formfedern.com\/flachformfeder-berechnung\/\">ploch\u00e9<\/a> pru\u017einy nebo <a href=\"https:\/\/info.formfedern.com\/stanzteile-kleinserien\/\">kovov\u00e9 sou\u010d\u00e1sti<\/a> natahuje. Vnit\u0159n\u00ed vl\u00e1kno (modr\u00e9, znamen\u00e1 vnit\u0159ek) je naopak stla\u010deno. Neutr\u00e1ln\u00ed vl\u00e1kno (zelen\u00e9) le\u017e\u00ed mezi vn\u011bj\u0161\u00edm a vnit\u0159n\u00edm vl\u00e1knem. Tato oblast nen\u00ed ani nata\u017een\u00e1, ani stla\u010den\u00e1.<\/p>\n<p>Aby se vylou\u010dilo sn\u00ed\u017een\u00ed kvality v d\u016fsledku stla\u010den\u00ed a nata\u017een\u00ed, je d\u016fle\u017eit\u00e9 dodr\u017eet minim\u00e1ln\u00ed polom\u011bry ohybu. Jedn\u00e1 se o nejmen\u0161\u00ed mo\u017en\u00fd polom\u011br ohybu materi\u00e1lu, p\u0159i kter\u00e9m se obrobek nezlom\u00ed. Pokud se t\u00e9to hodnoty nedos\u00e1hne, objev\u00ed se na vn\u011bj\u0161\u00ed stran\u011b praskliny a uvnit\u0159 se objev\u00ed mod\u0159iny. Krom\u011b toho se m\u016f\u017ee zm\u011bnit pr\u016f\u0159ez v z\u00f3n\u011b ohybu. To znamen\u00e1, \u017ee existuje riziko, \u017ee se obrobek zlom\u00ed.<\/p>\n<p><span style=\"text-decoration: underline;\">Obecn\u011b tedy plat\u00ed<\/span> :<\/p>\n<ul>\n<li>v\u011bt\u0161\u00ed polom\u011br ohybu = ni\u017e\u0161\u00ed riziko zlomen\u00ed a sn\u00ed\u017een\u00ed pevnosti<\/li>\n<\/ul>\n<ul>\n<li>men\u0161\u00ed polom\u011br ohybu = v\u011bt\u0161\u00ed riziko zlomen\u00ed v d\u016fsledku ten\u010d\u00edho materi\u00e1lu v m\u00edst\u011b ohybu<\/li>\n<\/ul>\n<h2><span class=\"ez-toc-section\" id=\"Jak_urcite_minimalni_polomer_ohybu\"><\/span>Jak ur\u010d\u00edte minim\u00e1ln\u00ed polom\u011br ohybu?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Ka\u017ed\u00fd <a href=\"https:\/\/info.formfedern.com\/federstahlbleche-eigenschaften\/\">materi\u00e1l pru\u017einy<\/a> m\u00e1 sv\u016fj vlastn\u00ed minim\u00e1ln\u00ed polom\u011br ohybu. To z\u00e1vis\u00ed na slo\u017een\u00ed slitiny, tlou\u0161\u0165ce materi\u00e1lu a <a href=\"https:\/\/de.wikipedia.org\/wiki\/Streckgrenze\" target=\"_blank\" rel=\"noopener noreferrer\">pom\u011bru meze kluzu<\/a> . Jedn\u00e1 se o pom\u011br <a href=\"https:\/\/info.formfedern.com\/spannungs-dehnungs-diagramm\/\" target=\"_blank\" rel=\"noopener noreferrer\">meze kluzu nebo meze pru\u017enosti<\/a> (Rp) k <a href=\"https:\/\/info.formfedern.com\/federstahlbleche-eigenschaften\/\">pevnosti v tahu<\/a> (Rm) materi\u00e1lu. V p\u0159\u00edpad\u011b jakost\u00ed pru\u017einov\u00e9 oceli je to obvykle p\u0159es 85 procent. Pro srovn\u00e1n\u00ed, pom\u011br meze kluzu u konstruk\u010dn\u00ed oceli je pouze kolem 40 procent &#8211; jsou mysliteln\u00e9 i ni\u017e\u0161\u00ed hodnoty.<\/p>\n<p>Pro stanoven\u00ed minim\u00e1ln\u00edho polom\u011bru ohybu je t\u0159eba vz\u00edt v \u00favahu r\u016fzn\u00e9 faktory. N\u00ed\u017ee je uveden p\u0159ehled nejd\u016fle\u017eit\u011bj\u0161\u00edch velikost\u00ed:<\/p>\n<ul>\n<li><a href=\"https:\/\/info.formfedern.com\/federstahlbleche-eigenschaften\/\" target=\"_blank\" rel=\"noopener noreferrer\">Typ z pru\u017einov\u00e9 oceli<\/a><\/li>\n<li>Pevnost pru\u017einov\u00e9 oceli<\/li>\n<li><a href=\"https:\/\/info.formfedern.com\/federstahlbleche-eigenschaften\/\" target=\"_blank\" rel=\"noopener noreferrer\">pevnost v tahu<\/a><\/li>\n<li><a href=\"https:\/\/info.formfedern.com\/biegeverfahren-metallumformung\/\" target=\"_blank\" rel=\"noopener noreferrer\">Proces oh\u00fdb\u00e1n\u00ed<\/a><\/li>\n<li>Oh\u00fdbac\u00ed n\u00e1stroje<\/li>\n<li>Rychlost oh\u00fdb\u00e1n\u00ed<\/li>\n<li>Sm\u011br v\u00e1lcov\u00e1n\u00ed pru\u017einov\u00e9 oceli<\/li>\n<li>Lisovac\u00ed s\u00edla<\/li>\n<\/ul>\n<p>Elasticita je pova\u017eov\u00e1na za jednu z hlavn\u00edch charakteristik pru\u017einov\u00e9 oceli. Dosahuje se ho b\u011bhem v\u00fdrobn\u00edho procesu pomoc\u00ed speci\u00e1ln\u00ed slitiny p\u0159id\u00e1n\u00edm k\u0159em\u00edku (Si), manganu (Mn), chr\u00f3mu (Cr), vanadu (V), molybdenu (Mo) a niklu (Ni). V z\u00e1sad\u011b: <a href=\"https:\/\/blog.federnshop.com\/elastizitaetsmodul\/\" target=\"_blank\" rel=\"noopener noreferrer\">Pru\u017enost<\/a> <a href=\"https:\/\/info.formfedern.com\/federstahlbleche-eigenschaften\/\" target=\"_blank\" rel=\"noopener noreferrer\">pru\u017einov\u00fdch ocel\u00ed<\/a> s vy\u0161\u0161\u00ed pevnost\u00ed v tahu je ni\u017e\u0161\u00ed ne\u017e s ni\u017e\u0161\u00ed pevnost\u00ed v tahu. U materi\u00e1l\u016f s vy\u0161\u0161\u00ed pevnost\u00ed v tahu je proto nutn\u00e9 minim\u00e1ln\u00ed polom\u011br ohybu nastavit v\u011bt\u0161\u00ed.<\/p>\n<p>Pro r\u016fzn\u00e9 typy pru\u017einov\u00e9 oceli jako norm\u00e1ln\u00ed <a href=\"https:\/\/info.formfedern.com\/federbandstahl-ab-lager\/\" target=\"_blank\" rel=\"noopener noreferrer\">Pru\u017einov\u00fd ocelov\u00fd plech C75S<\/a> , odoln\u00fd proti korozi <a href=\"https:\/\/info.formfedern.com\/federbandstahl-c75-und-1-4310\/\" target=\"_blank\" rel=\"noopener noreferrer\">Nerezov\u00e9 t\u0159\u00eddy 1.4310<\/a> , 1.4568 a 1.4401, nemagnetick\u00fd pru\u017einov\u00fd bronz CuSn6 a m\u011bd\u011bno-berylliov\u00e1 pru\u017einov\u00e1 ocel CuB2, jako\u017e i \u017e\u00e1ruvzdorn\u00e9 pru\u017einov\u00e9 oceli Nimonic 90, Inconel X-750 a 718 jsou p\u0159esn\u00e9 minim\u00e1ln\u00ed polom\u011bry ohybu <a href=\"https:\/\/info.formfedern.com\/gutekunst-stahlverformung\/\" target=\"_blank\" rel=\"noopener noreferrer\">Gutekunst Formfedern<\/a> popsan\u00e9 a ur\u010den\u00e9 a zvl\u00e1dnut\u00e9 ve zku\u0161ebn\u00edch ohybech.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Co_je_treba_vzit_v_uvahu_pri_ohybani\"><\/span>Co je t\u0159eba vz\u00edt v \u00favahu p\u0159i oh\u00fdb\u00e1n\u00ed?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<figure id=\"attachment_9436\" aria-describedby=\"caption-attachment-9436\" style=\"width: 380px\" class=\"wp-caption alignleft\"><a href=\"https:\/\/info.formfedern.com\/wp-content\/uploads\/Mindestbiegeradius_800.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-9436\" src=\"https:\/\/info.formfedern.com\/wp-content\/uploads\/\/Mindestbiegeradius_800-300x210.jpg\" alt=\"Minim\u00e1ln\u00ed polom\u011br ohybu podle sm\u011bru v\u00e1lcov\u00e1n\u00ed - Gutekunst Formfedern\" width=\"380\" height=\"266\" data-wp-pid=\"3729\" srcset=\"https:\/\/info.formfedern.com\/wp-content\/uploads\/Mindestbiegeradius_800-300x210.jpg 300w, https:\/\/info.formfedern.com\/wp-content\/uploads\/Mindestbiegeradius_800-768x539.jpg 768w, https:\/\/info.formfedern.com\/wp-content\/uploads\/Mindestbiegeradius_800-600x421.jpg 600w, https:\/\/info.formfedern.com\/wp-content\/uploads\/Mindestbiegeradius_800-150x105.jpg 150w, https:\/\/info.formfedern.com\/wp-content\/uploads\/Mindestbiegeradius_800-285x200.jpg 285w, https:\/\/info.formfedern.com\/wp-content\/uploads\/Mindestbiegeradius_800-200x140.jpg 200w, https:\/\/info.formfedern.com\/wp-content\/uploads\/Mindestbiegeradius_800.jpg 800w\" sizes=\"auto, (max-width: 380px) 100vw, 380px\" \/><\/a><figcaption id=\"caption-attachment-9436\" class=\"wp-caption-text\">\u00a9 Speci\u00e1ln\u00ed stroje SBS<\/figcaption><\/figure>\n<p>Jedn\u00edm z d\u016fle\u017eit\u00fdch faktor\u016f p\u0159i <a href=\"https:\/\/info.formfedern.com\/biegeverfahren-metallumformung\/\" target=\"_blank\" rel=\"noopener noreferrer\">oh\u00fdb\u00e1n\u00ed<\/a> je sm\u011br v\u00e1lcov\u00e1n\u00ed plechu z pru\u017einov\u00e9 oceli. Proto\u017ee natahov\u00e1n\u00edm materi\u00e1lu p\u0159i v\u00e1lcov\u00e1n\u00ed vznik\u00e1 struktura materi\u00e1lu podobn\u00e1 vl\u00e1knu. Vl\u00e1kna jsou natahov\u00e1na v\u017edy ve sm\u011bru v\u00e1lcov\u00e1n\u00ed. Pokud je ocelov\u00fd plech ohnut ve sm\u011bru v\u00e1lcov\u00e1n\u00ed, m\u016f\u017ee se p\u0159ed\u010dasn\u011b zlomit. Minim\u00e1ln\u00ed polom\u011br ohybu mus\u00ed b\u00fdt v takov\u00e9m p\u0159\u00edpad\u011b v\u011bt\u0161\u00ed. Pokud je na druh\u00e9 stran\u011b obrobek &#8211; jako je <a href=\"https:\/\/info.formfedern.com\/formfedern-flachfedern-blattfedern\/\" target=\"_blank\" rel=\"noopener noreferrer\">tvarov\u00e1 pru\u017eina<\/a> , <a href=\"https:\/\/info.formfedern.com\/flachformfeder_auslegen\/\" target=\"_blank\" rel=\"noopener noreferrer\">ploch\u00e1<\/a> pru\u017eina nebo <a href=\"https:\/\/info.formfedern.com\/stanzteile-kleinserien\/\" target=\"_blank\" rel=\"noopener noreferrer\">kovov\u00fd d\u00edl<\/a> &#8211; ohnut p\u0159\u00ed\u010dn\u011b ke sm\u011bru v\u00e1lcov\u00e1n\u00ed, je mo\u017en\u00fd men\u0161\u00ed minim\u00e1ln\u00ed polom\u011br ohybu.<\/p>\n<p>Krom\u011b toho p\u0159i oh\u00fdb\u00e1n\u00ed hraje d\u016fle\u017eitou roli i stanoven\u00ed pot\u0159ebn\u00e9 lisovac\u00ed s\u00edly. Aby se pru\u017einov\u00e1 ocel trvale p\u0159etv\u00e1\u0159ela, mus\u00ed b\u00fdt p\u0159ekro\u010dena hodnota <a href=\"https:\/\/info.formfedern.com\/spannungs-dehnungs-diagramm\/\" target=\"_blank\" rel=\"noopener noreferrer\">meze kluzu<\/a> . Pokud tomu tak nen\u00ed, kov se vr\u00e1t\u00ed do p\u016fvodn\u00edho stavu. Teprve zat\u00ed\u017een\u00ed nad mez kluzu zp\u016fsob\u00ed plastickou deformaci. Je bezpodm\u00edne\u010dn\u011b nutn\u00e9 zajistit, aby nebyla p\u0159ekro\u010dena <a href=\"https:\/\/info.formfedern.com\/federstahlbleche-eigenschaften\/\" target=\"_blank\" rel=\"noopener noreferrer\">pevnost materi\u00e1lu pru\u017einy<\/a> v tahu, jinak by mohlo doj\u00edt k po\u0161kozen\u00ed materi\u00e1lu.<\/p>\n<p>Aby se materi\u00e1l netrhal nebo dokonce nevytv\u00e1\u0159el sv\u00edrav\u00e9 z\u00e1hyby, zejm\u00e9na u siln\u011bj\u0161\u00edho materi\u00e1lu a mal\u00fdch polom\u011br\u016f ohybu, je nutn\u00e9, aby byl k dispozici velk\u00fd v\u00fdb\u011br r\u016fzn\u00fdch n\u00e1stroj\u016f pro r\u016fzn\u00e9 polom\u011bry ohybu.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Pruzinovy_design_od_Gutekunst_tvori_pruziny\"><\/span>Pru\u017einov\u00fd design od Gutekunst tvo\u0159\u00ed pru\u017einy<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>S <a href=\"https:\/\/info.formfedern.com\/gutekunst-stahlverformung\/\" target=\"_blank\" rel=\"noopener noreferrer\">Gutekunst Formfedern<\/a> se nemus\u00edte ob\u00e1vat takov\u00fdch mo\u017en\u00fdch probl\u00e9m\u016f. Proto\u017ee Gutekunst s v\u00e1mi bude od za\u010d\u00e1tku spolupracovat na v\u00fdvoji spr\u00e1vn\u00fdch <a href=\"https:\/\/info.formfedern.com\/flachformfeder_auslegen\/\" target=\"_blank\" rel=\"noopener noreferrer\">ploch\u00fdch<\/a> nebo <a href=\"https:\/\/info.formfedern.com\/flachformfeder-berechnung\/\" target=\"_blank\" rel=\"noopener noreferrer\">tvarovan\u00fdch pru\u017ein<\/a> .<\/p>\n<p>V p\u0159\u00edpad\u011b z\u00e1jmu n\u00e1m jednodu\u0161e za\u0161lete \u017e\u00e1dost o plochou pru\u017einu nebo tvarovou pru\u017einu s po\u017eadovan\u00fdmi vlastnostmi prost\u0159ednictv\u00edm na\u0161eho <a href=\"https:\/\/info.formfedern.com\/formfedern-anfrage\/\" target=\"_blank\" rel=\"noopener noreferrer\">tla\u010d\u00edtka \u017d\u00e1dost o tvarov\u00e9 pru\u017einy<\/a> nebo na <a href=\"mailto:info@gutekunst-formfedern.de\">info@gutekunst-formfedern.de<\/a> .<\/p>\n<p style=\"text-align: left;\"><a class=\"maxbutton-1 maxbutton maxbutton-formfedern\" target=\"_blank\" rel=\"noopener\" href=\"https:\/\/info.formfedern.com\/formfedern-anfrage\/\"><span class='mb-text'>Anfrage Formfedern &amp; Blattfedern<\/span><\/a><\/p>\n<p>&nbsp;<\/p>\n<p><em>Dal\u0161\u00ed informace naleznete tak\u00e9 zde:<\/em><\/p>\n<ul>\n<li><a href=\"https:\/\/info.formfedern.com\/lasern-stanzen-umformen\/\">Lasov\u00e1n\u00ed, d\u011brov\u00e1n\u00ed, tv\u00e1\u0159en\u00ed a mont\u00e1\u017e<\/a><\/li>\n<\/ul>\n<ul>\n<li><a href=\"https:\/\/info.formfedern.com\/biegeverfahren-metallumformung\/\">Proces oh\u00fdb\u00e1n\u00ed p\u0159i tv\u00e1\u0159en\u00ed kov\u016f<\/a><\/li>\n<\/ul>\n<ul>\n<li><a href=\"https:\/\/info.formfedern.com\/flachformfeder_auslegen\/\">Rozlo\u017ete ploch\u00e9 pru\u017einy<\/a><\/li>\n<\/ul>\n<ul>\n<li><a href=\"https:\/\/info.formfedern.com\/flachformfeder-berechnung\/\">V\u00fdpo\u010det ploch\u00e9 pru\u017einy<\/a><\/li>\n<\/ul>\n<ul>\n<li><a href=\"https:\/\/info.formfedern.com\/federclips\/\">Pru\u017einov\u00e9 spony pro ka\u017edou aplikaci<\/a><\/li>\n<\/ul>\n<ul>\n<li><a href=\"https:\/\/info.formfedern.com\/federstahlklammer\/\">Spony z pru\u017einov\u00e9 oceli pozinkovan\u00e9 a vyroben\u00e9 z nerezov\u00e9 oceli<\/a><\/li>\n<\/ul>\n<ul>\n<li><a href=\"https:\/\/info.formfedern.com\/laserteile-bestellen\/\">Objednejte si laserov\u00e9 d\u00edly rychle a snadno<\/a><\/li>\n<\/ul>\n<p>&nbsp;<\/p>","protected":false},"excerpt":{"rendered":"<p>Polom\u011br ohybu (r) je polom\u011br, kter\u00fd se m\u011b\u0159\u00ed po procesu oh\u00fdb\u00e1n\u00ed kovov\u00e9 sou\u010d\u00e1sti nebo tvarov\u00e9 pru\u017einy a ploch\u00e9 pru\u017einy. Pevnost materi\u00e1lu pru\u017einy v\u0161ak v d\u016fsledku oh\u00fdb\u00e1n\u00ed kles\u00e1. Sn\u00ed\u017e\u00ed se tak\u00e9 tlou\u0161\u0165ka materi\u00e1lu v m\u00edst\u011b ohybu. \u03b1 = \u00fahel ohybu \u03b2<\/p>\n","protected":false},"author":6,"featured_media":9435,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[693,684],"tags":[3010,921,3070,1059,3069,3071,3073,3072,2512,3045,3074],"class_list":["post-9434","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-tvarovane-pruziny","category-znalost","tag-bod-kluzu","tag-edelstahl-cs","tag-elasticky-limit","tag-federstahl-cs","tag-minimalni-polomer-ohybu","tag-ocelovy-plech","tag-ohybani","tag-ohybat","tag-pevnost-v-tahu","tag-polomer-ohybu","tag-vynosovy-pomer"],"_links":{"self":[{"href":"https:\/\/info.formfedern.com\/cs\/wp-json\/wp\/v2\/posts\/9434","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/info.formfedern.com\/cs\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/info.formfedern.com\/cs\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/info.formfedern.com\/cs\/wp-json\/wp\/v2\/users\/6"}],"replies":[{"embeddable":true,"href":"https:\/\/info.formfedern.com\/cs\/wp-json\/wp\/v2\/comments?post=9434"}],"version-history":[{"count":1,"href":"https:\/\/info.formfedern.com\/cs\/wp-json\/wp\/v2\/posts\/9434\/revisions"}],"predecessor-version":[{"id":9437,"href":"https:\/\/info.formfedern.com\/cs\/wp-json\/wp\/v2\/posts\/9434\/revisions\/9437"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/info.formfedern.com\/cs\/wp-json\/wp\/v2\/media\/9435"}],"wp:attachment":[{"href":"https:\/\/info.formfedern.com\/cs\/wp-json\/wp\/v2\/media?parent=9434"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/info.formfedern.com\/cs\/wp-json\/wp\/v2\/categories?post=9434"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/info.formfedern.com\/cs\/wp-json\/wp\/v2\/tags?post=9434"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}