[{"@context":"https:\/\/schema.org\/","@type":"Article","@id":"https:\/\/www.radok.cz\/obrabeni-kovu\/#Article","mainEntityOfPage":"https:\/\/www.radok.cz\/obrabeni-kovu\/","headline":"Obr\u00e1b\u011bn\u00ed kov\u016f","name":"Obr\u00e1b\u011bn\u00ed kov\u016f","description":"Principem tohoto technologick\u00e9ho procesu je ub\u00edr\u00e1n\u00ed \u010d\u00e1stic materi\u00e1lu, t\u00edm se vytv\u00e1\u0159\u00ed plocha po\u017eadovan\u00e9ho tvaru v dan\u00fdch rozm\u011brech a s dan\u00fdm stupn\u011bm p\u0159esnosti. P\u0159i vz\u00e1jemn\u00e9m pohybu b\u0159itu n\u00e1stroje a obrobku doch\u00e1z\u00ed k odd\u011blov\u00e1n\u00ed materi\u00e1lu ve form\u011b t\u0159\u00edsky. Hlavn\u00edm pohybem je pohyb \u0159ezn\u00fd, kter\u00fd umo\u017en\u00ed odd\u011blovat t\u0159\u00edsku od z\u00e1kladn\u00edho materi\u00e1lu. \u0158ezn\u00fd pohyb","datePublished":"2020-01-07","dateModified":"2023-05-25","author":{"@type":"Person","@id":"https:\/\/www.radok.cz\/author\/#Person","name":"","url":"https:\/\/www.radok.cz\/author\/","identifier":1,"image":{"@type":"ImageObject","@id":"https:\/\/secure.gravatar.com\/avatar\/383247cd769f7ac317a5bcda943ec48a3c79d996598ae4564ec21a0e178126d1?s=96&d=mm&r=g","url":"https:\/\/secure.gravatar.com\/avatar\/383247cd769f7ac317a5bcda943ec48a3c79d996598ae4564ec21a0e178126d1?s=96&d=mm&r=g","height":96,"width":96}},"publisher":{"@type":"Organization","name":"radok.cz","logo":{"@type":"ImageObject","@id":"\/logo.png","url":"\/logo.png","width":600,"height":60}},"image":{"@type":"ImageObject","@id":"https:\/\/www.radok.cz\/wp-content\/uploads\/img_a373714_w1724_t1585138677.jpg","url":"https:\/\/www.radok.cz\/wp-content\/uploads\/img_a373714_w1724_t1585138677.jpg","height":0,"width":0},"url":"https:\/\/www.radok.cz\/obrabeni-kovu\/","about":["N\u00e1kupy"],"wordCount":407,"articleBody":"         Principem tohoto technologick\u00e9ho procesu je ub\u00edr\u00e1n\u00ed \u010d\u00e1stic materi\u00e1lu, t\u00edm se vytv\u00e1\u0159\u00ed plocha po\u017eadovan\u00e9ho tvaru v dan\u00fdch rozm\u011brech a s dan\u00fdm stupn\u011bm p\u0159esnosti. P\u0159i vz\u00e1jemn\u00e9m pohybu b\u0159itu n\u00e1stroje a obrobku doch\u00e1z\u00ed k odd\u011blov\u00e1n\u00ed materi\u00e1lu ve form\u011b t\u0159\u00edsky. Hlavn\u00edm pohybem je pohyb \u0159ezn\u00fd, kter\u00fd umo\u017en\u00ed odd\u011blovat t\u0159\u00edsku od z\u00e1kladn\u00edho materi\u00e1lu. \u0158ezn\u00fd pohyb m\u016f\u017ee vykon\u00e1vat n\u00e1stroj, to je typick\u00e9 pro vrt\u00e1n\u00ed, protahov\u00e1n\u00ed nebo fr\u00e9zov\u00e1n\u00ed. Naopak p\u0159i soustru\u017een\u00ed nebo hoblov\u00e1n\u00ed je v pohybu obr\u00e1b\u011bn\u00fd materi\u00e1l. Nap\u0159\u00edklad p\u0159i brou\u0161en\u00ed lze oba tyto pohyby kombinovat, pohybuje se tedy materi\u00e1l i n\u00e1stroj. Jeho rychlost se naz\u00fdv\u00e1 \u0159eznou rychlost\u00ed. Pohyb kolm\u00fd na sm\u011br \u0159ezu se naz\u00fdv\u00e1 posuv, umo\u017e\u0148uje odd\u011blov\u00e1n\u00ed t\u0159\u00edsky. M\u016f\u017ee b\u00fdt svisl\u00fd, pod\u00e9ln\u00fd, p\u0159\u00ed\u010dn\u00fd nebo kruhov\u00fd. Nastaven\u00ed n\u00e1stroje do pracovn\u00ed polohy a t\u00edm i nastaven\u00ed hloubky \u0159ezu ur\u010duje pohyb n\u00e1stroje nebo obroku zvan\u00fd p\u0159\u00edsuv.Soustru\u017enick\u00fd n\u016f\u017e b\u00fdv\u00e1 nabrou\u0161en na po\u017eadovan\u00fd tvar a jeho nastaven\u00edm v\u016f\u010di obr\u00e1b\u011bn\u00e9mu materi\u00e1lu je tvo\u0159en \u0159ezn\u00fd \u00fahel. R\u016fzn\u00e9 zp\u016fsoby obr\u00e1b\u011bn\u00ed vy\u017eaduj\u00ed p\u0159esnou definici a tvar no\u017ee. Ten v\u00fdznamn\u011b ovliv\u0148uje cel\u00fd proces, p\u0159edev\u0161\u00edm \u0159ezn\u00e9 s\u00edly, kvalitu obr\u00e1b\u011bn\u00e9 plochy a m\u00edru opot\u0159eben\u00ed n\u00e1stroje. Nejcenn\u011bj\u0161\u00ed vlastnost\u00ed n\u00e1stroj\u016f je jejich schopnost zachovat po\u017eadovanou tvrdost i p\u0159i vysok\u00fdch teplot\u00e1ch. U dne\u0161n\u00edch v\u00fdkonn\u00fdch stroj\u016f m\u016f\u017ee dosahovat teplota povrchu b\u0159itu a\u017e 1000 stup\u0148\u016f Celsia. \u010c\u00edm vy\u0161\u0161\u00ed je tvrdost n\u00e1stroje i p\u0159i vy\u0161\u0161\u00edch teplot\u00e1ch, t\u00edm jsou \u0159ezn\u00e9 podm\u00ednky p\u0159\u00edzniv\u011bj\u0161\u00ed a zvy\u0161uje se produktivita pr\u00e1ce. Odolnost n\u00e1stroje proti opot\u0159eben\u00ed v\u00fdrazn\u011b ovliv\u0148uje hospod\u00e1rnost obr\u00e1b\u011bn\u00ed. Pro ka\u017ed\u00fd druh obr\u00e1b\u011bn\u00ed jsou optim\u00e1ln\u00ed jin\u00ed \u0159ezn\u00e9 podm\u00ednky. V z\u00e1sad\u011b plat\u00ed, \u017ee je v\u00fdhodn\u011bj\u0161\u00ed zv\u011bt\u0161ovat pr\u016f\u0159ez t\u0159\u00edsky ne\u017e rychlost obr\u00e1b\u011bn\u00ed zvy\u0161ovat, proto\u017ee p\u0159i zvy\u0161ov\u00e1n\u00ed rychlosti obr\u00e1b\u011bn\u00ed doch\u00e1z\u00ed ke zvy\u0161ov\u00e1n\u00ed teploty no\u017ee a t\u00edm sni\u017eov\u00e1n\u00ed jeho trvanlivosti.                                                                                                                                                                                                                                                                                                                                                                                          4.5\/5 - (11 votes)        "},{"@context":"https:\/\/schema.org\/","@type":"BreadcrumbList","itemListElement":[{"@type":"ListItem","position":1,"name":"Obr\u00e1b\u011bn\u00ed kov\u016f","item":"https:\/\/www.radok.cz\/obrabeni-kovu\/#breadcrumbitem"}]}]