[{"@context":"https:\/\/schema.org\/","@type":"Article","@id":"https:\/\/www.loscut.cz\/vrtani-je-nejstarsi-obrabeci-proces\/#Article","mainEntityOfPage":"https:\/\/www.loscut.cz\/vrtani-je-nejstarsi-obrabeci-proces\/","headline":"Vrt\u00e1n\u00ed je nejstar\u0161\u00ed obr\u00e1b\u011bc\u00ed proces","name":"Vrt\u00e1n\u00ed je nejstar\u0161\u00ed obr\u00e1b\u011bc\u00ed proces","description":"Kdy\u017e se d\u011bti na z\u00e1kladn\u00edch \u0161kol\u00e1ch seznamuj\u00ed se z\u00e1klady d\u00edlensk\u00e9 praxe ve \u0161koln\u00edch d\u00edln\u00e1ch, jedn\u00edm z prvn\u00edch n\u00e1stroj\u016f, se kter\u00fdm p\u0159ich\u00e1z\u00ed do styku, jsou vrt\u00e1ky.","datePublished":"2023-03-20","dateModified":"2023-04-27","author":{"@type":"Person","@id":"https:\/\/www.loscut.cz\/author\/#Person","name":"","url":"https:\/\/www.loscut.cz\/author\/","identifier":1,"image":{"@type":"ImageObject","@id":"https:\/\/secure.gravatar.com\/avatar\/9bbe1b3bd68cf5b616cc697a459b86e3be4df6c120806baf939f8aad94b0a3d6?s=96&d=mm&r=g","url":"https:\/\/secure.gravatar.com\/avatar\/9bbe1b3bd68cf5b616cc697a459b86e3be4df6c120806baf939f8aad94b0a3d6?s=96&d=mm&r=g","height":96,"width":96}},"publisher":{"@type":"Organization","name":"loscut.cz","logo":{"@type":"ImageObject","@id":"\/logo.png","url":"\/logo.png","width":600,"height":60}},"image":{"@type":"ImageObject","@id":"https:\/\/www.loscut.cz\/wp-content\/uploads\/reamer-g1dfbd0753_640.jpg","url":"https:\/\/www.loscut.cz\/wp-content\/uploads\/reamer-g1dfbd0753_640.jpg","height":0,"width":0},"url":"https:\/\/www.loscut.cz\/vrtani-je-nejstarsi-obrabeci-proces\/","about":["Nakupov\u00e1n\u00ed"],"wordCount":435,"articleBody":"        Kdy\u017e se d\u011bti na z\u00e1kladn\u00edch \u0161kol\u00e1ch seznamuj\u00ed se z\u00e1klady d\u00edlensk\u00e9 praxe ve \u0161koln\u00edch d\u00edln\u00e1ch, jedn\u00edm z prvn\u00edch n\u00e1stroj\u016f, se kter\u00fdm p\u0159ich\u00e1z\u00ed do styku, jsou vrt\u00e1ky. Mohou se vyu\u017e\u00edt v podob\u011b ru\u010dn\u00edho svid\u0159\u00edku \u010di ru\u010dn\u00ed mechanick\u00e9 vrta\u010dky, anebo ru\u010dn\u00ed elektrick\u00e9 vrta\u010dky, kterou m\u00e1 doma t\u00e9m\u011b\u0159 ka\u017ed\u00fd kutil. Vrt\u00e1ky lze nasadit i do vrta\u010dek stojanov\u00fdch a sloupov\u00fdch a tak\u00e9 jimi osadit kon\u00edk soustruhu pro p\u0159esn\u00e9 vrt\u00e1n\u00ed ve stroj\u00edrensk\u00e9 v\u00fdrob\u011b.Vrt\u00e1n\u00ed pat\u0159\u00ed k z\u00e1kladn\u00edm proces\u016fm, s nimi\u017e se seznamuj\u00ed i stroja\u0159i v u\u010d\u0148ovsk\u00fdch oborech a b\u00fdv\u00e1 to tak\u00e9 jedna z prvn\u00edch stroj\u00edrensk\u00fdch praktick\u00fdch dovednost\u00ed, kter\u00e9 jsou od dosp\u00edvaj\u00edc\u00edch mlad\u00edk\u016f \u010di d\u00edvek vy\u017eadov\u00e1ny. Stroja\u0159ina je v\u0161ak mnohem obs\u00e1hlej\u0161\u00ed obor a vrt\u00e1n\u00ed nepat\u0159\u00ed zrovna k t\u011bm nejp\u0159esn\u011bj\u0161\u00edm metod\u00e1m obr\u00e1b\u011bn\u00ed kov\u016f. Aneb vrt\u00e1ky zkr\u00e1tka nemus\u00ed na mnoho v\u00fdrobk\u016f sta\u010dit.Tam, kde vrt\u00e1k nesta\u010d\u00edJestli\u017ee pot\u0159ebujete zhotovit p\u0159esn\u011bj\u0161\u00ed otvory, co do kruhovitosti a p\u0159esn\u00e9ho pr\u016fm\u011bru, mus\u00edte j\u00edt na to jinak. Otvor se nejprve p\u0159edvrt\u00e1 vrt\u00e1kem o men\u0161\u00edm pr\u016fm\u011bru, ne\u017e je ten fin\u00e1ln\u00ed, a n\u00e1sledn\u011b se vyu\u017eije v\u00fdhrubn\u00edk. Ten otvor v\u00fdznamn\u011b zp\u0159esn\u00ed a pro n\u011bkter\u00e9 v\u00fdrobky je tento postup dosta\u010duj\u00edc\u00ed. \u010cast\u011bji se ale vyu\u017e\u00edv\u00e1 je\u0161t\u011b dal\u0161\u00ed n\u00e1stroj, a t\u00edm je staviteln\u00fd v\u00fdstru\u017en\u00edk.V\u00fdstru\u017en\u00edky jsou ji\u017e velmi p\u0159esn\u00e9 v\u00edceb\u0159it\u00e9 n\u00e1stroje a doc\u00edl\u00ed se s nimi tak jemn\u00e9ho povrchu a dokonal\u00e9ho tvaru i rozm\u011bru otvoru, \u017ee jej lze vyu\u017e\u00edvat i pro velmi p\u0159esn\u00e9, citliv\u00e9 a nam\u00e1han\u00e9 spoje. Kup\u0159\u00edkladu pro klikov\u00e9 h\u0159\u00eddele ve spalovac\u00edch motorech.S v\u00fdstru\u017en\u00edky se nej\u010dast\u011bji setk\u00e1te v p\u0159esn\u00e9m stroj\u00edrenstv\u00ed, kde se vyr\u00e1b\u00ed d\u00edly s velkou p\u0159esnost\u00ed, mechanicky nam\u00e1han\u00e9, jako\u017eto sou\u010d\u00e1sti r\u016fzn\u00fdch mechanism\u016f, jimi\u017e jsou nap\u0159\u00edklad p\u0159evodovky, ozuben\u00e1, hnac\u00ed a hnan\u00e1 kola a dal\u0161\u00ed sou\u010d\u00e1sti dopravn\u00edch prost\u0159edk\u016f, stroj\u016f \u010di n\u00e1stroj\u016f. D\u00edky tomu tak\u00e9 pat\u0159\u00ed k dra\u017e\u0161\u00edm v\u00fdrobn\u00edm n\u00e1stroj\u016fm, ne\u017e vrt\u00e1ky, a neb\u00fdvaj\u00ed b\u011b\u017enou sou\u010d\u00e1st\u00ed dom\u00e1c\u00edch d\u00edlen.                                                                                                                                                                                                                                                                                                                                                                                                  "},{"@context":"https:\/\/schema.org\/","@type":"BreadcrumbList","itemListElement":[{"@type":"ListItem","position":1,"name":"Vrt\u00e1n\u00ed je nejstar\u0161\u00ed obr\u00e1b\u011bc\u00ed proces","item":"https:\/\/www.loscut.cz\/vrtani-je-nejstarsi-obrabeci-proces\/#breadcrumbitem"}]}]