[{"@context":"https:\/\/schema.org\/","@type":"Article","@id":"https:\/\/www.dekorin.cz\/stavitelne-vystruzniky-pro-geometricky-presne-otvory\/#Article","mainEntityOfPage":"https:\/\/www.dekorin.cz\/stavitelne-vystruzniky-pro-geometricky-presne-otvory\/","headline":"Staviteln\u00e9 v\u00fdstru\u017en\u00edky pro geometricky p\u0159esn\u00e9 otvory","name":"Staviteln\u00e9 v\u00fdstru\u017en\u00edky pro geometricky p\u0159esn\u00e9 otvory","description":"S v\u00fdrobou otvor\u016f kruhov\u00e9ho pr\u016f\u0159ezu se ji\u017e seznamuj\u00ed d\u011bti na z\u00e1kladn\u00edch \u0161kol\u00e1ch v r\u00e1mci d\u00edlensk\u00e9 praxe. N\u011bkter\u00e9 maj\u00ed \u0161ikovn\u00e9 rodi\u010de a ti d\u011btem ukazuj\u00ed, jak se pracuje s ru\u010dn\u00ed vrta\u010dkou, tak\u017ee vrt\u00e1k se st\u00e1v\u00e1 jedn\u00edm z prvn\u00edch n\u00e1stroj\u016f, kter\u00e9 d\u011bti dob\u0159e znaj\u00ed. Pr\u00e1ce s vrt\u00e1kem tak\u00e9 nen\u00ed nikterak n\u00e1ro\u010dn\u00e1, tento n\u00e1stroj vykon\u00e1v\u00e1 pravoto\u010div\u00fd pohyb po […]","datePublished":"2022-12-26","dateModified":"2023-05-15","author":{"@type":"Person","@id":"https:\/\/www.dekorin.cz\/author\/#Person","name":"","url":"https:\/\/www.dekorin.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":"dekorin.cz","logo":{"@type":"ImageObject","@id":"\/logo.png","url":"\/logo.png","width":600,"height":60}},"image":{"@type":"ImageObject","@id":"https:\/\/www.dekorin.cz\/wp-content\/uploads\/milling-g4a7621e37_640.jpg","url":"https:\/\/www.dekorin.cz\/wp-content\/uploads\/milling-g4a7621e37_640.jpg","height":0,"width":0},"url":"https:\/\/www.dekorin.cz\/stavitelne-vystruzniky-pro-geometricky-presne-otvory\/","about":["Zbo\u017e\u00ed"],"wordCount":421,"articleBody":"   S v\u00fdrobou otvor\u016f kruhov\u00e9ho pr\u016f\u0159ezu se ji\u017e seznamuj\u00ed d\u011bti na z\u00e1kladn\u00edch \u0161kol\u00e1ch v r\u00e1mci d\u00edlensk\u00e9 praxe. N\u011bkter\u00e9 maj\u00ed \u0161ikovn\u00e9 rodi\u010de a ti d\u011btem ukazuj\u00ed, jak se pracuje s ru\u010dn\u00ed vrta\u010dkou, tak\u017ee vrt\u00e1k se st\u00e1v\u00e1 jedn\u00edm z prvn\u00edch n\u00e1stroj\u016f, kter\u00e9 d\u011bti dob\u0159e znaj\u00ed. Pr\u00e1ce s vrt\u00e1kem tak\u00e9 nen\u00ed nikterak n\u00e1ro\u010dn\u00e1, tento n\u00e1stroj vykon\u00e1v\u00e1 pravoto\u010div\u00fd pohyb po \u0161roubovici a dv\u011bma b\u0159ity odeb\u00edr\u00e1 t\u0159\u00edsku z kov\u016f, plast\u016f, d\u0159eva, ale i kamene \u010di betonu. N\u011bkter\u00e9 d\u011bti se dokonce u\u010d\u00ed vrtat p\u0159\u00edklepovou vrta\u010dkou do zdiva, co\u017e se jim bude jist\u011b hodit v dosp\u011blosti.Vrt\u00e1ky v\u0161ak nejsou jedin\u00e9 n\u00e1stroje, kter\u00e9 vytv\u00e1\u0159\u00ed kruhov\u00e9 otvory. Vrt\u00e1kem se zhotov\u00ed otvor pom\u011brn\u011b nep\u0159esn\u00fd, a to jak tvarov\u011b, tak i rozm\u011brov\u011b. Jestli\u017ee pot\u0159ebujete vyvrtat otvor v ocelov\u00e9m nosn\u00edku, kudy prot\u00e1hnete s pom\u011brn\u011b velkou v\u016fl\u00ed \u0161roub a spoj sev\u0159ete matic\u00ed a podlo\u017ekou, nebude nutn\u00e9 db\u00e1t tolik na p\u0159esnost, ale jestli\u017ee byste cht\u011bli m\u00edt v provozu mechanismus h\u0159\u00eddele, kter\u00fd se otvoru ot\u00e1\u010d\u00ed, co\u017e nap\u0159\u00edklad klikov\u00e1 h\u0159\u00eddel v automobilov\u00e9m motoru, mus\u00edte zhotovit otvor s neoby\u010dejnou p\u0159esnost\u00ed.Takov\u00fd otvor mus\u00ed b\u00fdt geometricky zcela kruhov\u00fd, s minim\u00e1ln\u00ed odchylkou, a z\u00e1rove\u0148 mus\u00ed m\u00edt velmi jemn\u00fd povrch. Toto ji\u017e vrt\u00e1k nezvl\u00e1dne a zde mus\u00ed nastoupit dal\u0161\u00ed vrtac\u00ed n\u00e1stroje.Po vyvrt\u00e1n\u00ed otvoru vrt\u00e1kem se prov\u00e1d\u00ed tzv. vyhrubov\u00e1n\u00ed v\u00fdhrubn\u00edkem a n\u00e1sledn\u011b vystru\u017eov\u00e1n\u00ed. Pou\u017e\u00edv\u00e1 se k tomu nap\u0159. v\u00fdstru\u017en\u00edk staviteln\u00fd, s v\u00edce b\u0159ity, kter\u00e9 z p\u0159edvrtan\u00e9ho otvoru za\u010dnou odeb\u00edrat v\u00fdrazn\u011b jemn\u011bj\u0161\u00ed t\u0159\u00edsku, a v\u00fdsledek pak odpov\u00edd\u00e1 stanoven\u00fdm hodnot\u00e1m.V\u00fdstru\u017en\u00edky jsou speci\u00e1ln\u00ed n\u00e1stroje zejm\u00e9na pro stroj\u00edrenskou s\u00e9riovou v\u00fdrobu, ale vyu\u017e\u00edvaj\u00ed se i v \u00fadr\u017eb\u011b a v provozech, kde je zapot\u0159eb\u00ed zhotovit p\u0159esn\u00fd otvor v mal\u00e9m po\u010dtu kus\u016f. M\u011bjte tak\u00e9 na pam\u011bti, \u017ee v\u00fdstru\u017en\u00edky jsou n\u00e1stroje pom\u011brn\u011b drah\u00e9, a \u017ee se s cenou b\u011b\u017en\u00fdch vrt\u00e1k\u016f nemohou srovn\u00e1vat. Na druhou stranu v\u00fdstru\u017en\u00edky tak\u00e9 nejsou n\u00e1stroje, s nimi\u017e pracuje ka\u017ed\u00fd dom\u00e1c\u00ed kutil.                                                                                                                                                                                                                                                                                                                                                                                          4.2\/5 - (13 votes)        "},{"@context":"https:\/\/schema.org\/","@type":"BreadcrumbList","itemListElement":[{"@type":"ListItem","position":1,"name":"Staviteln\u00e9 v\u00fdstru\u017en\u00edky pro geometricky p\u0159esn\u00e9 otvory","item":"https:\/\/www.dekorin.cz\/stavitelne-vystruzniky-pro-geometricky-presne-otvory\/#breadcrumbitem"}]}]