[{"@context":"https:\/\/schema.org\/","@type":"Article","@id":"https:\/\/www.tisina.cz\/co-je-to-kopinaty-vrtak\/#Article","mainEntityOfPage":"https:\/\/www.tisina.cz\/co-je-to-kopinaty-vrtak\/","headline":"Co je to kopinat\u00fd vrt\u00e1k","name":"Co je to kopinat\u00fd vrt\u00e1k","description":"Zn\u00e1te tu roz\u0161\u00ed\u0159enou pr\u016fpov\u00eddku, kter\u00e1 doslova zn\u00ed: \u201eTy jsi ale vrt\u00e1k!\u201c? Vrt\u00e1k je v tomto kontextu zam\u00fd\u0161len jako n\u011bco hanliv\u00e9ho, co si rozhodn\u011b nikdo za r\u00e1me\u010dek ned\u00e1, ale kdybychom m\u011bli porovn\u00e1vat n\u011bjak\u00e9ho ne\u0161iku \u010di \u201echytrol\u00edna\u201c se samotn\u00fdmi vrt\u00e1ky, nebylo by to p\u0159\u00edli\u0161 moudr\u00e9. Vrt\u00e1k toti\u017e pat\u0159\u00ed k nejstar\u0161\u00edm a nejd\u016fle\u017eit\u011bj\u0161\u00edm v\u00fdrobn\u00edm n\u00e1stroj\u016fm, jak\u00e9 lidstvo zn\u00e1. […]","datePublished":"2022-12-26","dateModified":"2023-05-30","author":{"@type":"Person","@id":"https:\/\/www.tisina.cz\/author\/#Person","name":"","url":"https:\/\/www.tisina.cz\/author\/","identifier":1,"image":{"@type":"ImageObject","@id":"https:\/\/secure.gravatar.com\/avatar\/d89f66f31d15c86aaa67b2d500e11b783534f791bc2a93dd89895a03d043c162?s=96&d=mm&r=g","url":"https:\/\/secure.gravatar.com\/avatar\/d89f66f31d15c86aaa67b2d500e11b783534f791bc2a93dd89895a03d043c162?s=96&d=mm&r=g","height":96,"width":96}},"publisher":{"@type":"Organization","name":"tisina.cz","logo":{"@type":"ImageObject","@id":"\/logo.png","url":"\/logo.png","width":600,"height":60}},"image":{"@type":"ImageObject","@id":"https:\/\/www.tisina.cz\/wp-content\/uploads\/teeth-cleaning-g574fddce2_640.jpg","url":"https:\/\/www.tisina.cz\/wp-content\/uploads\/teeth-cleaning-g574fddce2_640.jpg","height":0,"width":0},"url":"https:\/\/www.tisina.cz\/co-je-to-kopinaty-vrtak\/","about":["Zbo\u017e\u00ed"],"wordCount":413,"articleBody":"   Zn\u00e1te tu roz\u0161\u00ed\u0159enou pr\u016fpov\u00eddku, kter\u00e1 doslova zn\u00ed: \u201eTy jsi ale vrt\u00e1k!\u201c? Vrt\u00e1k je v tomto kontextu zam\u00fd\u0161len jako n\u011bco hanliv\u00e9ho, co si rozhodn\u011b nikdo za r\u00e1me\u010dek ned\u00e1, ale kdybychom m\u011bli porovn\u00e1vat n\u011bjak\u00e9ho ne\u0161iku \u010di \u201echytrol\u00edna\u201c se samotn\u00fdmi vrt\u00e1ky, nebylo by to p\u0159\u00edli\u0161 moudr\u00e9. Vrt\u00e1k toti\u017e pat\u0159\u00ed k nejstar\u0161\u00edm a nejd\u016fle\u017eit\u011bj\u0161\u00edm v\u00fdrobn\u00edm n\u00e1stroj\u016fm, jak\u00e9 lidstvo zn\u00e1.Bez vrt\u00e1k\u016f se nikdo z n\u00e1s neobejde. Za\u010d\u00edn\u00e1 to na zuba\u0159sk\u00e9m k\u0159esle a kon\u010d\u00ed v dom\u00e1cnosti, pokud pot\u0159ebujeme p\u0159ichytit na strop sv\u00edtidlo anebo na ze\u010f zrcadlo. Vrt\u00e1ky v\u0161ak nejsou jen kutilsk\u00e9 n\u00e1stroje pro p\u0159\u00edklepovou vrta\u010dku, je to b\u011b\u017en\u00fd stroj\u00edrensk\u00fd n\u00e1stroj v \u00fadr\u017eb\u011b, malos\u00e9riov\u00e9 i velkos\u00e9riov\u00e9 v\u00fdrob\u011b, ale to nen\u00ed zdaleka v\u0161e.Nejzn\u00e1m\u011bj\u0161\u00edm vrt\u00e1kem je v\u00e1lcov\u00fd d\u0159\u00edk, kter\u00fd je zpracov\u00e1n do tvaru \u0161roubovice se dv\u011bma ostr\u00fdmi hroty, p\u0159\u00edpadn\u011b s naletovan\u00fdmi desti\u010dkami ze slinut\u00fdch karbid\u016f. Krom\u011b toho v\u0161ak existuj\u00ed i vrt\u00e1ky do d\u0159eva s vystouplou \u0161pi\u010dkou, kter\u00e1 slou\u017e\u00ed jako po\u010d\u00e1te\u010dn\u00ed vodic\u00ed prvek, a tak\u00e9 vrt\u00e1ky kopinat\u00e9.Kopinat\u00fd vrt\u00e1kKopinat\u00e9 vrt\u00e1ky jsou p\u0159edch\u016fdci dne\u0161n\u00edch \u0161roubovit\u00fdch vrt\u00e1k\u016f a v sou\u010dasn\u00e9 dob\u011b je vyu\u017e\u00edv\u00e1me p\u0159edev\u0161\u00edm pro vrt\u00e1n\u00ed do d\u0159eva. Sv\u00fdm tvarem p\u0159ipom\u00ednaj\u00ed hrot kop\u00ed, odtud tak\u00e9 pramen\u00ed jejich n\u00e1zev. Maj\u00ed dva protilehl\u00e9 b\u0159ity a pou\u017e\u00edvaj\u00ed se bu\u010f jako celistv\u00e9 s up\u00ednac\u00edm d\u0159\u00edkem, anebo jako dvoud\u00edln\u00e9, kter\u00e9 sest\u00e1vaj\u00ed z b\u0159itov\u00e9 desti\u010dky a dr\u017e\u00e1ku. Kopinat\u00e9 vrt\u00e1ky pat\u0159\u00ed do skupiny ostatn\u00edch n\u00e1stroj\u016f pro vrt\u00e1n\u00ed a slou\u017e\u00ed zejm\u00e9na pro zhotovov\u00e1n\u00ed velk\u00fdch pr\u016fm\u011br\u016f otvor\u016f.Vyvrtat do d\u0159eva v\u011bt\u0161\u00ed pr\u016fm\u011br, nap\u0159\u00edklad 50 mm, by bylo velmi problematick\u00e9, museli byste k tomu m\u00edt obrovsk\u00fd a t\u011b\u017ek\u00fd \u0161roubovit\u00fd vrt\u00e1k, jeho\u017e v\u00fdrobn\u00ed n\u00e1klady by byly zna\u010dn\u00e9 a vrt\u00e1n\u00ed by pak nebylo p\u0159\u00edli\u0161 ekonomick\u00e9. Kopinat\u00e1 desti\u010dka je oproti tomu tenk\u00e1 a lehk\u00e1 a mnohon\u00e1sobn\u011b levn\u011bj\u0161\u00ed. V\u00fdhodou t\u011bchto n\u00e1stroj\u016f je tak\u00e9 snadn\u00e1 dostupnost a odstup\u0148ov\u00e1n\u00ed po jednom nebo po dvou milimetrech.                                                                                                                                                                                                                                                                                                                                                                                          3.9\/5 - (7 votes)        "},{"@context":"https:\/\/schema.org\/","@type":"BreadcrumbList","itemListElement":[{"@type":"ListItem","position":1,"name":"Co je to kopinat\u00fd vrt\u00e1k","item":"https:\/\/www.tisina.cz\/co-je-to-kopinaty-vrtak\/#breadcrumbitem"}]}]