[{"@context":"https:\/\/schema.org\/","@type":"Article","@id":"https:\/\/www.ilonaf.cz\/hydraulicke-oleje-jakozto-nosne-medium-plne-nahrazuji-vodu\/#Article","mainEntityOfPage":"https:\/\/www.ilonaf.cz\/hydraulicke-oleje-jakozto-nosne-medium-plne-nahrazuji-vodu\/","headline":"Hydraulick\u00e9 oleje jako\u017eto nosn\u00e9 m\u00e9dium pln\u011b nahrazuj\u00ed vodu","name":"Hydraulick\u00e9 oleje jako\u017eto nosn\u00e9 m\u00e9dium pln\u011b nahrazuj\u00ed vodu","description":"Hydraulick\u00fd olej je specifick\u00e9 m\u00e9dium, kter\u00e9 mus\u00ed b\u00fdt schopn\u00e9 p\u0159en\u00e1\u0161et obrovsk\u00e9 tlaky. Mezi jeho z\u00e1sadn\u00ed p\u0159ednosti se \u0159ad\u00ed minim\u00e1ln\u00ed stla\u010ditelnost a z\u00e1rove\u0148 vysok\u00e1 odolnost v\u016f\u010di korozi. D\u011bl\u00edme je tak\u00e9 z hlediska ho\u0159lavosti na standardn\u00ed ho\u0159lav\u00e9 oleje o hustot\u011b zhruba 875 kg na krychlov\u00fd metr s teplotou tuhnut\u00ed \u2013 36 stup\u0148\u016f Celsia, a na neho\u0159lav\u00e9 speci\u00e1ly s hustotou podobnou vod\u011b a […]","datePublished":"2018-05-12","dateModified":"2023-05-01","author":{"@type":"Person","@id":"https:\/\/www.ilonaf.cz\/author\/devene\/#Person","name":"devene","url":"https:\/\/www.ilonaf.cz\/author\/devene\/","identifier":1,"image":{"@type":"ImageObject","@id":"https:\/\/secure.gravatar.com\/avatar\/1fd5b20daa9a47a1102459a7c733d369075d8cc724ab489feb8ed72c657d346e?s=96&d=mm&r=g","url":"https:\/\/secure.gravatar.com\/avatar\/1fd5b20daa9a47a1102459a7c733d369075d8cc724ab489feb8ed72c657d346e?s=96&d=mm&r=g","height":96,"width":96}},"publisher":{"@type":"Organization","name":"ilonaf.cz","logo":{"@type":"ImageObject","@id":"\/logo.png","url":"\/logo.png","width":600,"height":60}},"image":{"@type":"ImageObject","@id":"https:\/\/www.ilonaf.cz\/wp-content\/uploads\/img_a317437_w2153_t1528182709.jpg","url":"https:\/\/www.ilonaf.cz\/wp-content\/uploads\/img_a317437_w2153_t1528182709.jpg","height":0,"width":0},"url":"https:\/\/www.ilonaf.cz\/hydraulicke-oleje-jakozto-nosne-medium-plne-nahrazuji-vodu\/","about":["Moto"],"wordCount":401,"articleBody":"  Hydraulick\u00fd olej je specifick\u00e9 m\u00e9dium, kter\u00e9 mus\u00ed b\u00fdt schopn\u00e9 p\u0159en\u00e1\u0161et obrovsk\u00e9 tlaky. Mezi jeho z\u00e1sadn\u00ed p\u0159ednosti se \u0159ad\u00ed minim\u00e1ln\u00ed stla\u010ditelnost a z\u00e1rove\u0148 vysok\u00e1 odolnost v\u016f\u010di korozi. D\u011bl\u00edme je tak\u00e9 z hlediska ho\u0159lavosti na standardn\u00ed ho\u0159lav\u00e9 oleje o hustot\u011b zhruba 875 kg na krychlov\u00fd metr s teplotou tuhnut\u00ed \u2013 36 stup\u0148\u016f Celsia, a na neho\u0159lav\u00e9 speci\u00e1ly s hustotou podobnou vod\u011b a teplotou tuhnut\u00ed \u2013 30 stup\u0148\u016f. Olej jako nosn\u00e9 m\u00e9dium Hydraulick\u00e9 syst\u00e9my obecn\u011b se \u0159ad\u00ed do skupiny nejv\u00edce zat\u011b\u017eovan\u00fdch pr\u016fmyslov\u00fdch za\u0159\u00edzen\u00ed, kter\u00e1 se nasazuj\u00ed tak\u0159ka ve v\u0161ech oborech pr\u016fmyslov\u00e9 a zem\u011bd\u011blsk\u00e9 v\u00fdroby. Jsou sou\u010d\u00e1st\u00ed stroj\u016f a konstruk\u010dn\u00edch syst\u00e9m\u016f a vyu\u017e\u00edvaj\u00ed vlastnost\u00ed stla\u010dovan\u00e9 kapaliny, kter\u00e1 zvl\u00e1d\u00e1 pracovat p\u0159i v\u011bt\u0161\u00edch z\u00e1t\u011b\u017e\u00edch, ne\u017e pneumatick\u00e9 stroje. Pro hydrauliku se d\u0159\u00edve pou\u017e\u00edvala v\u011bt\u0161inou voda, dnes se s n\u00ed prakticky nikde nesetk\u00e1te a jej\u00ed m\u00edsto zaujaly jin\u00e9 kapaliny, p\u0159edev\u0161\u00edm hydraulick\u00e9 oleje. Nosn\u00e1 m\u00e9dia jsou koncipov\u00e1na tak, aby vyhovovala jakostn\u00edm norm\u00e1m DIN (51 524) a ISO 6743\/4. Mus\u00ed spl\u0148ovat n\u00e1ro\u010dn\u00e9 parametry, nap\u0159. odolnost v\u016f\u010di vysok\u00e9 teplot\u011b a tlaku, velmi n\u00edzkou p\u011bnivost, po\u017eadavky na \u017eivotnost, tepeln\u011b oxida\u010dn\u00ed stabilitu a neslu\u010ditelnost se vzduchem. Filtrace hydraulick\u00fdch m\u00e9di\u00ed Po\u017eadavky stanoven\u00e9 normou se ozna\u010duj\u00ed jako standardn\u00ed, ka\u017ed\u00fd homologovan\u00fd olej je mus\u00ed b\u00fdt schopen pokr\u00fdt, a tak se majitel\u00e9 hydraulick\u00fdch za\u0159\u00edzen\u00ed zam\u011b\u0159uj\u00ed pak pouze na kontrolu mechanick\u00fdch ne\u010distot, kter\u00e9 vznikaj\u00ed opot\u0159eben\u00edm n\u011bkter\u00fdch prvk\u016f hydraulick\u00fdch okruh\u016f. Nej\u010dast\u011bji to b\u00fdvaj\u00ed lamelov\u00e1 a p\u00edstov\u00e1 \u010derpadla, rozvad\u011b\u010de a proporcion\u00e1ln\u00ed ventily. Z tohoto d\u016fvodu je naprosto z\u00e1sadn\u00ed olej filtrovat, podcenit tento proces pak znamen\u00e1 ohrozit funk\u010dnost syst\u00e9mu zad\u00edr\u00e1n\u00edm kluzn\u00fdch \u010d\u00e1st\u00ed, zv\u011bt\u0161ov\u00e1n\u00edm v\u016fl\u00ed v p\u00edstech, a t\u00edm p\u00e1dem sn\u00ed\u017een\u00ed provozn\u00edho tlaku. To m\u016f\u017ee v\u00e9st a\u017e k odstaven\u00ed stroje, k prostoj\u016fm a velmi vysok\u00fdm finan\u010dn\u00edm ztr\u00e1t\u00e1m. Vliv na filtraci m\u00e1 pochopiteln\u011b i provozn\u00ed tlak, ka\u017ed\u00fd n\u00e1r\u016fst o hodnotu zhruba 5 MPa navy\u0161uje po\u017eadavky na filtraci o jednu t\u0159\u00eddu podle normy ISO.                                                                                                                                                                                                                                                                                                                                                                                         4.7\/5 - (4 votes)        "},{"@context":"https:\/\/schema.org\/","@type":"BreadcrumbList","itemListElement":[{"@type":"ListItem","position":1,"name":"Hydraulick\u00e9 oleje jako\u017eto nosn\u00e9 m\u00e9dium pln\u011b nahrazuj\u00ed vodu","item":"https:\/\/www.ilonaf.cz\/hydraulicke-oleje-jakozto-nosne-medium-plne-nahrazuji-vodu\/#breadcrumbitem"}]}]