[{"@context":"https:\/\/schema.org\/","@type":"Article","@id":"https:\/\/www.acei.cz\/k-cemu-strojari-potrebuji-stupnovity-vrtak-do-kovu\/#Article","mainEntityOfPage":"https:\/\/www.acei.cz\/k-cemu-strojari-potrebuji-stupnovity-vrtak-do-kovu\/","headline":"K \u010demu stroja\u0159i pot\u0159ebuj\u00ed stup\u0148ovit\u00fd vrt\u00e1k do kovu","name":"K \u010demu stroja\u0159i pot\u0159ebuj\u00ed stup\u0148ovit\u00fd vrt\u00e1k do kovu","description":"Vrt\u00e1n\u00ed otvor\u016f je ve stroj\u00edrenstv\u00ed b\u011b\u017enou prax\u00ed. Je to jeden z nejroz\u0161\u00ed\u0159en\u011bj\u0161\u00edch zp\u016fsob\u016f obr\u00e1b\u011bn\u00ed, kter\u00e9 lidstvo zn\u00e1 ji\u017e od doby pr\u016fmyslov\u00e9 revoluce. K vrt\u00e1n\u00ed se nej\u010dast\u011bji vyu\u017e\u00edvaj\u00ed klasick\u00e9 vrt\u00e1ky ve \u0161roubovici se dv\u011bma b\u0159ity a jsou to n\u00e1stroje velice levn\u00e9 a dob\u0159e dostupn\u00e9 ve specializovan\u00fdch e-shopech i hobby marketech. Klasick\u00e9 vrt\u00e1ky se b\u011b\u017en\u011b vyu\u017e\u00edvaj\u00ed pro","datePublished":"2026-06-13","dateModified":"2026-06-13","author":{"@type":"Person","@id":"https:\/\/www.acei.cz\/author\/#Person","name":"acei.cz\n","url":"https:\/\/www.acei.cz\/author\/","identifier":1,"image":{"@type":"ImageObject","@id":"https:\/\/secure.gravatar.com\/avatar\/d6cba3ab97c30e0df0e32548954cb6b1550f4672bd3a4687bf1118b122d757e8?s=96&d=mm&r=g","url":"https:\/\/secure.gravatar.com\/avatar\/d6cba3ab97c30e0df0e32548954cb6b1550f4672bd3a4687bf1118b122d757e8?s=96&d=mm&r=g","height":96,"width":96}},"publisher":{"@type":"Organization","name":"acei.cz","logo":{"@type":"ImageObject","@id":"\/logo.png","url":"\/logo.png","width":600,"height":60}},"image":{"@type":"ImageObject","@id":"https:\/\/www.acei.cz\/wp-content\/uploads\/gray_rhee-drill-4720016_640.jpg","url":"https:\/\/www.acei.cz\/wp-content\/uploads\/gray_rhee-drill-4720016_640.jpg","height":0,"width":0},"url":"https:\/\/www.acei.cz\/k-cemu-strojari-potrebuji-stupnovity-vrtak-do-kovu\/","about":["N\u00e1kupy"],"wordCount":419,"articleBody":"       Vrt\u00e1n\u00ed otvor\u016f je ve stroj\u00edrenstv\u00ed b\u011b\u017enou prax\u00ed. Je to jeden z nejroz\u0161\u00ed\u0159en\u011bj\u0161\u00edch zp\u016fsob\u016f obr\u00e1b\u011bn\u00ed, kter\u00e9 lidstvo zn\u00e1 ji\u017e od doby pr\u016fmyslov\u00e9 revoluce. K vrt\u00e1n\u00ed se nej\u010dast\u011bji vyu\u017e\u00edvaj\u00ed klasick\u00e9 vrt\u00e1ky ve \u0161roubovici se dv\u011bma b\u0159ity a jsou to n\u00e1stroje velice levn\u00e9 a dob\u0159e dostupn\u00e9 ve specializovan\u00fdch e-shopech i hobby marketech. Klasick\u00e9 vrt\u00e1ky se b\u011b\u017en\u011b vyu\u017e\u00edvaj\u00ed pro vrt\u00e1n\u00ed kovu, d\u0159eva i plast\u016f, a to zpravidla v\u011bt\u0161\u00edch tlou\u0161t\u011bk materi\u00e1lu ne\u017e 3 a\u017e 4 mm, nebo\u0165 \u010d\u00edm ten\u010d\u00ed je obrobek, t\u00edm v\u011bt\u0161\u00ed pot\u00ed\u017ee s jeho odvrt\u00e1n\u00edm klasick\u00fdm vrt\u00e1kem m\u00e1te. Co kdy\u017e je ale zapot\u0159eb\u00ed vrtat do velmi tenk\u00e9ho kovov\u00e9ho plechu?Pro tyto \u00fa\u010dely se ve stroj\u00edrenstv\u00ed vyu\u017e\u00edv\u00e1 stup\u0148ovit\u00fd vrt\u00e1k. Stup\u0148ovit\u00fd vrt\u00e1k kdo kovu https:\/\/www.i-nastroje.cz\/Vrtaky-do-kovu-c31_79_2.htm je velmi specifick\u00fd stroj\u00edrensk\u00fd n\u00e1stroj. P\u0159edstavte si, \u017ee pot\u0159ebujete vyvrtat n\u011bkolik otvor\u016f do ocelov\u00e9ho plechu tlou\u0161\u0165ky 2 mm. Jestli\u017ee byste pou\u017eili klasick\u00fd vrt\u00e1k se dva protilehl\u00fdmi b\u0159ity ve \u0161roubovici, m\u016f\u017ee se v\u00e1m v plechu zakousnout, vytvo\u0159it ot\u0159epy a otvor pak nemus\u00ed b\u00fdt kruhov\u00fd, ale excentrick\u00fd. Klasick\u00fd vrt\u00e1k se zkr\u00e1tka pro vrt\u00e1n\u00ed tenk\u00e9ho plechu p\u0159\u00edli\u0161 nehod\u00ed a pr\u00e1v\u011b v takov\u00e9 situaci nastupuje na sc\u00e9nu vrt\u00e1k stup\u0148ovit\u00fd. M\u016f\u017eeme si jej p\u0159edstavit jako ku\u017eel, kter\u00fd m\u00e1 na sv\u00e9m povrchu odstup\u0148ovan\u00e9 \u0159ezn\u00e9 b\u0159ity tak, \u017ee postupn\u00fdm tlakem na n\u00e1stroj se zv\u011bt\u0161uje otvor a\u017e do po\u017eadovan\u00e9ho pr\u016fm\u011bru.Odstup\u0148ovan\u00e9 vrt\u00e1ky jsou vynikaj\u00edc\u00edm pomocn\u00edkem nap\u0159\u00edklad v mal\u00fdch s\u00e9ri\u00edch v\u00fdrobk\u016f nebo v \u00fadr\u017eb\u011b, kde je zapot\u0159eb\u00ed ob\u010das vytvo\u0159it otvory do plechu pro karos\u00e9rie vozidel, r\u016fzn\u00e9 stroje a za\u0159\u00edzen\u00ed nebo stavebn\u00ed konstrukce. Odstup\u0148ovan\u00e9 vrt\u00e1ky se tak\u00e9 mohou vyu\u017e\u00edt pro vyvrtan\u00e9 otvory, kter\u00fdm je zapot\u0159eb\u00ed srazit ostr\u00e9 hrany. D\u016fle\u017eit\u00fdm pravidlem p\u0159i vrt\u00e1n\u00ed s t\u011bmito n\u00e1stroji do kovov\u00fdch materi\u00e1l\u016f je dodr\u017eov\u00e1n\u00ed n\u00edzk\u00fdch ot\u00e1\u010dek \u0159ezn\u00e9 rychlosti, aby nedo\u0161lo k prudk\u00e9mu n\u00e1r\u016fstu vrtan\u00e9ho pr\u016fm\u011bru, proto\u017ee p\u0159i vysok\u00e9 rychlosti nen\u00ed snadn\u00e9 udr\u017eet vrt\u00e1k v po\u017eadovan\u00e9 pozici.                                                                                                                                                                                                                                                                                                                                                                                                  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