{"id":74,"date":"2026-09-06T07:30:00","date_gmt":"2026-09-06T05:30:00","guid":{"rendered":"https:\/\/www.matai.cz\/blog\/?p=74"},"modified":"2026-08-31T17:20:01","modified_gmt":"2026-08-31T15:20:01","slug":"din-580-sroub-s-okem-zvedaci","status":"publish","type":"post","link":"https:\/\/www.matai.cz\/blog\/din-580-sroub-s-okem-zvedaci\/","title":{"rendered":"DIN 580 z\u00e1v\u011bsn\u00e9 \u0161roubov\u00e9 oko: zvedac\u00ed technika a WLL"},"content":{"rendered":"<p>Z\u00e1v\u011bsn\u00e9 \u0161roubov\u00e9 oko podle <strong>DIN 580<\/strong> (kovan\u00fd \u201ering screw&#8220;, n\u011bmecky <em>Ringschraube<\/em>) je z\u00e1kladn\u00ed v\u00e1zac\u00ed bod pro zved\u00e1n\u00ed a manipulaci s b\u0159emeny. Za\u0161roubuje se do p\u0159edem p\u0159ipraven\u00e9ho z\u00e1vitov\u00e9ho otvoru ve stroji, form\u011b nebo sou\u010d\u00e1sti a poskytne oko pro zah\u00e1knut\u00ed h\u00e1ku, t\u0159menu nebo v\u00e1zac\u00edho prost\u0159edku. Proto\u017ee jde o prvek zvedac\u00ed techniky, kde chyba znamen\u00e1 bezprost\u0159edn\u00ed ohro\u017een\u00ed osob, je spr\u00e1vn\u00e9 pochopen\u00ed normy, nosnosti (WLL) a vlivu \u00fahlu zat\u00ed\u017een\u00ed naprosto kl\u00ed\u010dov\u00e9. Tento v\u00fdklad shrnuje, co DIN 580 definuje, jak\u00e9 materi\u00e1ly a rozm\u011bry jsou b\u011b\u017en\u00e9 a jak oko bezpe\u010dn\u011b nasadit.<\/p>\n<h2>Co je DIN 580 a k \u010demu slou\u017e\u00ed<\/h2>\n<p>DIN 580 popisuje kovan\u00e9 z\u00e1v\u011bsn\u00e9 \u0161rouby s okem a metrick\u00fdm z\u00e1vitem (forma s d\u0159\u00edkem zakon\u010den\u00fdm metrick\u00fdm z\u00e1vitem, kter\u00fd se za\u0161roubuje do t\u011blesa b\u0159emene). Protikusem s vnit\u0159n\u00edm z\u00e1vitem je <strong>DIN 582<\/strong> \u2013 z\u00e1v\u011bsn\u00e1 matice s okem. Oba prvky tvo\u0159\u00ed dvojici pro tvorbu v\u00e1zac\u00edch bod\u016f a v praxi se s nimi setk\u00e1te u forem, p\u0159evodovek, elektromotor\u016f, \u010derpadel a obecn\u011b u t\u011b\u017e\u0161\u00edch strojn\u00edch d\u00edl\u016f.<\/p>\n<p>D\u016fle\u017eit\u00e9 je v\u011bd\u011bt, \u017ee DIN 580 je oko s <strong>pevnou (nepohyblivou) rovinou oka<\/strong>. Pln\u011b nese pouze tehdy, je-li ta\u017eeno v rovin\u011b oka. Pro zat\u00ed\u017een\u00ed pod \u00fahlem nebo s ot\u00e1\u010dej\u00edc\u00ed se rovinou tahu existuj\u00ed v\u00fdkonn\u011bj\u0161\u00ed oto\u010dn\u00e9 a sklopn\u00e9 v\u00e1zac\u00ed body (nap\u0159. dle sm\u011brnic VDI \/ s certifikac\u00ed v\u00fdrobce), kter\u00e9 DIN 580 v n\u00e1ro\u010dn\u00fdch p\u0159\u00edpadech nahrazuj\u00ed.<\/p>\n<h2>Materi\u00e1l a zna\u010den\u00ed<\/h2>\n<p>Standardn\u00ed ocelov\u00e9 proveden\u00ed DIN 580 se kove z uhl\u00edkov\u00e9 oceli <strong>C15E<\/strong> (materi\u00e1l 1.1141), obvykle v proveden\u00ed samozbarven\u00e9m, \u017e\u00e1rov\u011b nebo galvanicky pozinkovan\u00e9m. Pro korozn\u011b agresivn\u00ed, potravin\u00e1\u0159sk\u00e9 a venkovn\u00ed prost\u0159ed\u00ed se vyr\u00e1b\u011bj\u00ed i nerezov\u00e1 oka. Pokud \u0159e\u0161\u00edte v\u00e1zac\u00ed body v chemicky n\u00e1ro\u010dn\u00e9m nebo chloridov\u00e9m prost\u0159ed\u00ed, s\u00e1hn\u011bte po <a href=\"\/p\/srouby-zavesne-din-580-a2\/\">nerezov\u00fdch z\u00e1v\u011bsn\u00fdch ok\u00e1ch DIN 580 v jakosti A2 a A4<\/a>. Rozd\u00edly mezi ob\u011bma jakostmi rozeb\u00edr\u00e1me v \u010dl\u00e1nku <a href=\"\/blog\/nerez-a2-vs-a4\/\">nerez A2 vs. A4<\/a>.<\/p>\n<p>Pozor: pro zvedac\u00ed techniku plat\u00ed, \u017ee prvek mus\u00ed b\u00fdt \u010diteln\u011b ozna\u010den velikost\u00ed (nap\u0159. M12) a m\u00edt dolo\u017eenou nosnost; manipula\u010dn\u00ed oka by m\u011bla b\u00fdt dod\u00e1v\u00e1na s prohl\u00e1\u0161en\u00edm o shod\u011b a kovan\u00fd d\u00edl by nem\u011bl vykazovat trhliny ani deformace.<\/p>\n<h2>Rozm\u011bry DIN 580 (orienta\u010dn\u00ed p\u0159ehled)<\/h2>\n<p>Velikost oka se \u0159\u00edd\u00ed jmenovit\u00fdm pr\u016fm\u011brem metrick\u00e9ho z\u00e1vitu d\u0159\u00edku. Kl\u00ed\u010dov\u00e9 rozm\u011bry jsou vnit\u0159n\u00ed pr\u016fm\u011br oka <em>d1<\/em> a vn\u011bj\u0161\u00ed rozm\u011br oka <em>d2<\/em>. Orienta\u010dn\u00ed hodnoty b\u011b\u017en\u011b publikovan\u00e9 v technick\u00fdch listech:<\/p>\n<table>\n<thead>\n<tr>\n<th>Z\u00e1vit<\/th>\n<th>d1 \u2013 vnit\u0159n\u00ed pr\u016fm\u011br oka [mm]<\/th>\n<th>d2 \u2013 vn\u011bj\u0161\u00ed rozm\u011br oka [mm]<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>M8<\/td>\n<td>cca 20<\/td>\n<td>cca 36<\/td>\n<\/tr>\n<tr>\n<td>M10<\/td>\n<td>cca 25<\/td>\n<td>cca 45<\/td>\n<\/tr>\n<tr>\n<td>M12<\/td>\n<td>cca 30<\/td>\n<td>cca 54<\/td>\n<\/tr>\n<tr>\n<td>M16<\/td>\n<td>cca 35<\/td>\n<td>cca 63<\/td>\n<\/tr>\n<tr>\n<td>M20<\/td>\n<td>cca 40<\/td>\n<td>cca 72<\/td>\n<\/tr>\n<tr>\n<td>M24<\/td>\n<td>cca 50<\/td>\n<td>cca 90<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>Hodnoty jsou zaokrouhlen\u00fdm p\u0159ehledem; pro p\u0159esn\u00e9 k\u00f3tov\u00e1n\u00ed a mezn\u00ed \u00fachylky u konkr\u00e9tn\u00ed velikosti v\u017edy vych\u00e1zejte z aktu\u00e1ln\u00edho zn\u011bn\u00ed normy nebo technick\u00e9ho listu dodavatele.<\/p>\n<h2>Nosnost WLL a vliv \u00fahlu zat\u00ed\u017een\u00ed<\/h2>\n<p>Nejd\u016fle\u017eit\u011bj\u0161\u00ed \u00fadaj je <strong>WLL (Working Load Limit, dovolen\u00e9 pracovn\u00ed zat\u00ed\u017een\u00ed)<\/strong>. Pro DIN 580 plat\u00ed, \u017ee plnou nosnost m\u00e1 oko jen p\u0159i <strong>axi\u00e1ln\u00edm (osov\u00e9m) tahu v ose d\u0159\u00edku<\/strong>. Jakmile t\u00e1hnete pod \u00fahlem nebo dv\u011bma v\u00e1zac\u00edmi prost\u0159edky do dvojice ok, nosnost z\u00e1sadn\u011b kles\u00e1. Orienta\u010dn\u00ed hodnoty WLL pro ocelov\u00e9 proveden\u00ed (samostatn\u00e9 oko v osov\u00e9m tahu vs. pou\u017eit\u00ed v p\u00e1ru pod \u00fahlem 45\u00b0):<\/p>\n<table>\n<thead>\n<tr>\n<th>Z\u00e1vit<\/th>\n<th>WLL \u2013 osov\u00fd tah, 1 oko [kg]<\/th>\n<th>WLL \u2013 p\u00e1r ok pod 45\u00b0 [kg]<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>M6<\/td>\n<td>70<\/td>\n<td>50<\/td>\n<\/tr>\n<tr>\n<td>M8<\/td>\n<td>140<\/td>\n<td>95<\/td>\n<\/tr>\n<tr>\n<td>M10<\/td>\n<td>230<\/td>\n<td>170<\/td>\n<\/tr>\n<tr>\n<td>M12<\/td>\n<td>340<\/td>\n<td>240<\/td>\n<\/tr>\n<tr>\n<td>M16<\/td>\n<td>700<\/td>\n<td>500<\/td>\n<\/tr>\n<tr>\n<td>M20<\/td>\n<td>1 200<\/td>\n<td>830<\/td>\n<\/tr>\n<tr>\n<td>M24<\/td>\n<td>1 800<\/td>\n<td>1 270<\/td>\n<\/tr>\n<tr>\n<td>M30<\/td>\n<td>3 600<\/td>\n<td>2 600<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>Hodnoty se mohou mezi v\u00fdrobci m\u00edrn\u011b li\u0161it; v\u017edy se \u0159i\u010fte \u0161t\u00edtkem a technick\u00fdm listem konkr\u00e9tn\u00edho dodavatele. Z tabulky je vid\u011bt z\u00e1sadn\u00ed pravidlo zvedac\u00ed techniky: <strong>ji\u017e p\u0159i \u00fahlu 45\u00b0 kles\u00e1 vyu\u017eiteln\u00e1 nosnost zhruba na 70 % osov\u00e9 hodnoty<\/strong> a se zv\u011bt\u0161uj\u00edc\u00edm se \u00fahlem d\u00e1le v\u00fdrazn\u011b kles\u00e1. \u0160ikm\u00fd tah nav\u00edc nam\u00e1h\u00e1 oko na ohyb, na kter\u00fd kovan\u00fd profil DIN 580 nen\u00ed prim\u00e1rn\u011b dimenzov\u00e1n. Pro re\u00e1ln\u00e9 \u0161ikm\u00e9 tahy proto rad\u011bji volte oto\u010dn\u00e9\/sklopn\u00e9 v\u00e1zac\u00ed body.<\/p>\n<p>V\u00e1zac\u00ed prost\u0159edky a oka jsou navrhov\u00e1ny s bezpe\u010dnostn\u00ed rezervou \u2013 u DIN 580 b\u00fdv\u00e1 ud\u00e1v\u00e1no minim\u00e1ln\u00ed zaru\u010den\u00e9 p\u0159etr\u017een\u00ed \u0159\u00e1dov\u011b na \u00farovni \u0161estin\u00e1sobku WLL, ale konkr\u00e9tn\u00ed sou\u010dinitel se mezi v\u00fdrobci a proveden\u00edmi li\u0161\u00ed, proto se v\u017edy \u0159i\u010fte deklarac\u00ed v\u00fdrobce. WLL se nikdy nesm\u00ed p\u0159ekra\u010dovat ani kr\u00e1tkodob\u011b.<\/p>\n<h2>Pravidla bezpe\u010dn\u00e9 mont\u00e1\u017ee<\/h2>\n<p>Aby oko dos\u00e1hlo deklarovan\u00e9 nosnosti, mus\u00ed b\u00fdt spln\u011bno n\u011bkolik podm\u00ednek:<\/p>\n<ol>\n<li><strong>Pln\u00e9 za\u0161roubov\u00e1n\u00ed.<\/strong> Oko mus\u00ed b\u00fdt za\u0161roubov\u00e1no a\u017e na doraz dosedac\u00ed plochy l\u00edmce \u2013 z\u00e1vit mus\u00ed b\u00fdt zabr\u00e1n po cel\u00e9 d\u00e9lce a op\u011brn\u00e1 plocha mus\u00ed \u010dist\u011b dosednout. Voln\u011b za\u0161roubovan\u00e9 nebo nedota\u017een\u00e9 oko ztr\u00e1c\u00ed nosnost.<\/li>\n<li><strong>Dostate\u010dn\u00e1 hloubka a pevnost z\u00e1vitu v t\u011blese.<\/strong> V hlin\u00edku a litin\u011b je nutn\u00e1 v\u011bt\u0161\u00ed hloubka za\u0161roubov\u00e1n\u00ed ne\u017e v oceli, proto\u017ee pevnost z\u00e1kladn\u00edho materi\u00e1lu je ni\u017e\u0161\u00ed. Pro spolehliv\u00e9 \u0159ez\u00e1n\u00ed \u010di opravu vnit\u0159n\u00edho z\u00e1vitu v t\u011blese pou\u017eijte vhodn\u00fd <a href=\"\/p\/srouby-zavesne-din-580-a2\/\">strojn\u00ed z\u00e1vitn\u00edk odpov\u00eddaj\u00edc\u00ed velikosti<\/a>.<\/li>\n<li><strong>Orientace roviny oka do sm\u011bru tahu.<\/strong> Oko v\u017edy nato\u010dte tak, aby tah le\u017eel v rovin\u011b oka. Tah kolmo na rovinu oka je nep\u0159\u00edpustn\u00fd.<\/li>\n<li><strong>Rovn\u00e1 a \u010dist\u00e1 dosedac\u00ed plocha<\/strong> bez ne\u010distot a ot\u0159ep\u016f, kolm\u00e1 na osu otvoru.<\/li>\n<li><strong>Kontrola p\u0159ed ka\u017ed\u00fdm pou\u017eit\u00edm.<\/strong> Oko nesm\u00ed vykazovat trhliny, korozi naru\u0161uj\u00edc\u00ed profil, deformaci ani po\u0161kozen\u00fd z\u00e1vit.<\/li>\n<\/ol>\n<p>Pokud \u0159e\u0161\u00edte v\u00fdb\u011br v\u00e1zac\u00edho a zvedac\u00edho p\u0159\u00edslu\u0161enstv\u00ed komplexn\u011bji, nava\u017ete na n\u00e1\u0161 <a href=\"\/blog\/jak-vybrat-spojovaci-material\/\">pr\u016fvodce v\u00fdb\u011brem spojovac\u00edho materi\u00e1lu<\/a> a na p\u0159ehled <a href=\"\/blog\/normy-a-materialy\/\">norem a materi\u00e1l\u016f<\/a>.<\/p>\n<h2>Shrnut\u00ed<\/h2>\n<p>DIN 580 je kovan\u00e9 z\u00e1v\u011bsn\u00e9 \u0161roubov\u00e9 oko z oceli C15E (i v nerezu A2\/A4) s metrick\u00fdm z\u00e1vitem, slou\u017e\u00edc\u00ed jako v\u00e1zac\u00ed bod pro zved\u00e1n\u00ed. Plnou nosnost WLL m\u00e1 pouze p\u0159i osov\u00e9m tahu a za\u0161roubov\u00e1n\u00ed a\u017e na doraz; ji\u017e p\u0159i \u00fahlu 45\u00b0 kles\u00e1 vyu\u017eiteln\u00e1 nosnost zhruba na 70 % a \u0161ikm\u00fd tah profil nam\u00e1h\u00e1 na ohyb. Pro re\u00e1ln\u00e9 \u0161ikm\u00e9 a ot\u00e1\u010div\u00e9 tahy volte certifikovan\u00e9 oto\u010dn\u00e9 v\u00e1zac\u00ed body. P\u0159i manipulaci s b\u0159emeny v\u017edy respektujte \u0161t\u00edtkovou WLL, pln\u00e9 za\u0161roubov\u00e1n\u00ed a vizu\u00e1ln\u00ed kontrolu p\u0159ed ka\u017ed\u00fdm zdvihem.<\/p>\n<h2>\u010cast\u00e9 dotazy<\/h2>\n<h3>Jak\u00e1 je nosnost (WLL) oka DIN 580 a plat\u00ed pro ka\u017ed\u00fd sm\u011br tahu?<\/h3>\n<p>WLL roste s velikost\u00ed z\u00e1vitu (orienta\u010dn\u011b M8 cca 140 kg, M12 cca 340 kg, M20 cca 1 200 kg pro samostatn\u00e9 oko v osov\u00e9m tahu). Pln\u00e1 nosnost ale plat\u00ed jen pro osov\u00fd tah v rovin\u011b oka. P\u0159i tahu pod \u00fahlem nosnost z\u00e1sadn\u011b kles\u00e1 \u2013 u\u017e p\u0159i 45\u00b0 na zhruba 70 % osov\u00e9 hodnoty.<\/p>\n<h3>Z jak\u00e9ho materi\u00e1lu se DIN 580 vyr\u00e1b\u00ed?<\/h3>\n<p>Standardn\u00ed proveden\u00ed se kove z uhl\u00edkov\u00e9 oceli C15E (1.1141), obvykle pozinkovan\u00e9 nebo samozbarven\u00e9. Pro korozn\u011b n\u00e1ro\u010dn\u00e9, venkovn\u00ed a potravin\u00e1\u0159sk\u00e9 prost\u0159ed\u00ed jsou dostupn\u00e1 i nerezov\u00e1 oka v jakostech A2 a A4.<\/p>\n<h3>Jak\u00fd je rozd\u00edl mezi DIN 580 a DIN 582?<\/h3>\n<p>DIN 580 je z\u00e1v\u011bsn\u00e9 oko se \u0161roubem (vn\u011bj\u0161\u00edm metrick\u00fdm z\u00e1vitem na d\u0159\u00edku), kter\u00e9 se za\u0161roubuje do otvoru v b\u0159emeni. DIN 582 je z\u00e1v\u011bsn\u00e1 matice s okem (s vnit\u0159n\u00edm z\u00e1vitem), kter\u00e1 se nasad\u00ed na \u0161roub \u010di svorn\u00edk. Tvo\u0159\u00ed dopl\u0148uj\u00edc\u00ed se dvojici v\u00e1zac\u00edch prvk\u016f.<\/p>\n<h3>Pro\u010d mus\u00ed b\u00fdt oko DIN 580 pln\u011b za\u0161roubovan\u00e9?<\/h3>\n<p>Deklarovan\u00e1 nosnost plat\u00ed jen p\u0159i pln\u00e9m za\u0161roubov\u00e1n\u00ed a\u017e na doraz, kdy je zabr\u00e1n cel\u00fd z\u00e1vit a l\u00edmec \u010dist\u011b dosedne na rovnou plochu. Nedota\u017een\u00e9 nebo \u010d\u00e1ste\u010dn\u011b za\u0161roubovan\u00e9 oko nese v\u00fdrazn\u011b m\u00e9n\u011b a hroz\u00ed jeho vytr\u017een\u00ed nebo ulomen\u00ed.<\/p>\n<h3>Lze oko DIN 580 pou\u017e\u00edt pro \u0161ikm\u00fd tah?<\/h3>\n<p>Pevn\u00e9 oko DIN 580 je prim\u00e1rn\u011b ur\u010deno pro osov\u00fd tah. \u0160ikm\u00fd tah jej nam\u00e1h\u00e1 na ohyb a sni\u017euje nosnost (p\u0159i 45\u00b0 zhruba na 70 %, p\u0159i v\u011bt\u0161\u00edch \u00fahlech je\u0161t\u011b v\u00edc). Pro re\u00e1ln\u00e9 \u0161ikm\u00e9 a ot\u00e1\u010div\u00e9 tahy je bezpe\u010dn\u011bj\u0161\u00ed pou\u017e\u00edt certifikovan\u00e9 oto\u010dn\u00e9 nebo sklopn\u00e9 v\u00e1zac\u00ed body.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>DIN 580 z\u00e1v\u011bsn\u00e9 \u0161roubov\u00e9 oko: nosnost WLL, vliv \u00fahlu zat\u00ed\u017een\u00ed, materi\u00e1l C15E i nerez A2\/A4, rozm\u011bry M8\u2013M24 a pravidla bezpe\u010dn\u00e9 mont\u00e1\u017ee pro zved\u00e1n\u00ed.<\/p>\n","protected":false},"author":1,"featured_media":586,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_matai_meta_desc":"DIN 580 z\u00e1v\u011bsn\u00e9 \u0161roubov\u00e9 oko: nosnost WLL, vliv \u00fahlu zat\u00ed\u017een\u00ed, materi\u00e1l C15E i nerez A2\/A4, rozm\u011bry M8\u2013M24 a pravidla bezpe\u010dn\u00e9 mont\u00e1\u017ee pro zved\u00e1n\u00ed.","_matai_faq":"[{\"q\": \"Jak\u00e1 je nosnost (WLL) oka DIN 580 a plat\u00ed pro ka\u017ed\u00fd sm\u011br tahu?\", \"a\": \"WLL roste s velikost\u00ed z\u00e1vitu (orienta\u010dn\u011b M8 cca 140 kg, M12 cca 340 kg, M20 cca 1 200 kg pro samostatn\u00e9 oko v osov\u00e9m tahu). Pln\u00e1 nosnost ale plat\u00ed jen pro osov\u00fd tah v rovin\u011b oka. P\u0159i tahu pod \u00fahlem nosnost z\u00e1sadn\u011b kles\u00e1 \u2013 u\u017e p\u0159i 45\u00b0 na zhruba 70 % osov\u00e9 hodnoty.\"}, {\"q\": \"Z jak\u00e9ho materi\u00e1lu se DIN 580 vyr\u00e1b\u00ed?\", \"a\": \"Standardn\u00ed proveden\u00ed se kove z uhl\u00edkov\u00e9 oceli C15E (1.1141), obvykle pozinkovan\u00e9 nebo samozbarven\u00e9. Pro korozn\u011b n\u00e1ro\u010dn\u00e9, venkovn\u00ed a potravin\u00e1\u0159sk\u00e9 prost\u0159ed\u00ed jsou dostupn\u00e1 i nerezov\u00e1 oka v jakostech A2 a A4.\"}, {\"q\": \"Jak\u00fd je rozd\u00edl mezi DIN 580 a DIN 582?\", \"a\": \"DIN 580 je z\u00e1v\u011bsn\u00e9 oko se \u0161roubem (vn\u011bj\u0161\u00edm metrick\u00fdm z\u00e1vitem na d\u0159\u00edku), kter\u00e9 se za\u0161roubuje do otvoru v b\u0159emeni. DIN 582 je z\u00e1v\u011bsn\u00e1 matice s okem (s vnit\u0159n\u00edm z\u00e1vitem), kter\u00e1 se nasad\u00ed na \u0161roub \u010di svorn\u00edk. Tvo\u0159\u00ed dopl\u0148uj\u00edc\u00ed se dvojici v\u00e1zac\u00edch prvk\u016f.\"}, {\"q\": \"Pro\u010d mus\u00ed b\u00fdt oko DIN 580 pln\u011b za\u0161roubovan\u00e9?\", \"a\": \"Deklarovan\u00e1 nosnost plat\u00ed jen p\u0159i pln\u00e9m za\u0161roubov\u00e1n\u00ed a\u017e na doraz, kdy je zabr\u00e1n cel\u00fd z\u00e1vit a l\u00edmec \u010dist\u011b dosedne na rovnou plochu. Nedota\u017een\u00e9 nebo \u010d\u00e1ste\u010dn\u011b za\u0161roubovan\u00e9 oko nese v\u00fdrazn\u011b m\u00e9n\u011b a hroz\u00ed jeho vytr\u017een\u00ed nebo ulomen\u00ed.\"}, {\"q\": \"Lze oko DIN 580 pou\u017e\u00edt pro \u0161ikm\u00fd tah?\", \"a\": \"Pevn\u00e9 oko DIN 580 je prim\u00e1rn\u011b ur\u010deno pro osov\u00fd tah. \u0160ikm\u00fd tah jej nam\u00e1h\u00e1 na ohyb a sni\u017euje nosnost (p\u0159i 45\u00b0 zhruba na 70 %, p\u0159i v\u011bt\u0161\u00edch \u00fahlech je\u0161t\u011b v\u00edc). Pro re\u00e1ln\u00e9 \u0161ikm\u00e9 a ot\u00e1\u010div\u00e9 tahy je bezpe\u010dn\u011bj\u0161\u00ed pou\u017e\u00edt certifikovan\u00e9 oto\u010dn\u00e9 nebo sklopn\u00e9 v\u00e1zac\u00ed body.\"}]","_matai_schema_type":"TechArticle","footnotes":""},"categories":[2],"tags":[],"class_list":["post-74","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-normy-a-materialy"],"_links":{"self":[{"href":"https:\/\/www.matai.cz\/blog\/wp-json\/wp\/v2\/posts\/74","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.matai.cz\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.matai.cz\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.matai.cz\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.matai.cz\/blog\/wp-json\/wp\/v2\/comments?post=74"}],"version-history":[{"count":1,"href":"https:\/\/www.matai.cz\/blog\/wp-json\/wp\/v2\/posts\/74\/revisions"}],"predecessor-version":[{"id":101,"href":"https:\/\/www.matai.cz\/blog\/wp-json\/wp\/v2\/posts\/74\/revisions\/101"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.matai.cz\/blog\/wp-json\/wp\/v2\/media\/586"}],"wp:attachment":[{"href":"https:\/\/www.matai.cz\/blog\/wp-json\/wp\/v2\/media?parent=74"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.matai.cz\/blog\/wp-json\/wp\/v2\/categories?post=74"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.matai.cz\/blog\/wp-json\/wp\/v2\/tags?post=74"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}