[{"@context":"https:\/\/schema.org\/","@type":"Article","@id":"https:\/\/www.mhks.cz\/strojirenstvi-vyzaduje-i-presne-merici-pristroje-napriklad-dutinomery\/#Article","mainEntityOfPage":"https:\/\/www.mhks.cz\/strojirenstvi-vyzaduje-i-presne-merici-pristroje-napriklad-dutinomery\/","headline":"Stroj\u00edrenstv\u00ed vy\u017eaduje i p\u0159esn\u00e9 m\u011b\u0159ic\u00ed p\u0159\u00edstroje, nap\u0159\u00edklad dutinom\u011bry","name":"Stroj\u00edrenstv\u00ed vy\u017eaduje i p\u0159esn\u00e9 m\u011b\u0159ic\u00ed p\u0159\u00edstroje, nap\u0159\u00edklad dutinom\u011bry","description":"Zhotovov\u00e1n\u00ed kruhov\u00fdch otvor\u016f v obrobc\u00edch je b\u011b\u017enou stroj\u00edrenskou prax\u00ed a pat\u0159\u00ed k nejstar\u0161\u00edm zp\u016fsob\u016fm obr\u00e1b\u011bn\u00ed kov\u016f. Z\u00e1kladn\u00edm n\u00e1strojem je vrt\u00e1k a s jeho pomoc\u00ed lze zhotovit otvory s omezenou jakost\u00ed povrchu i p\u0159esnost\u00ed, co se t\u00fd\u010de tvaru a rozm\u011br\u016f otvoru. Jestli\u017ee chceme vyr\u00e1b\u011bt otvory p\u0159esn\u011bj\u0161\u00ed, kter\u00e9 budou slou\u017eit pro n\u011bkter\u00e9 pohybliv\u00e9 sou\u010d\u00e1sti, mus\u00edme p\u0159edvrtan\u00fd otvor […]","datePublished":"2023-02-19","dateModified":"2024-01-26","author":{"@type":"Person","@id":"https:\/\/www.mhks.cz\/author\/#Person","name":"mhks.cz\n","url":"https:\/\/www.mhks.cz\/author\/","identifier":1,"image":{"@type":"ImageObject","@id":"https:\/\/secure.gravatar.com\/avatar\/01173f1da90dde8adb887d6793fa4e42c4004e53f8d645d9b1cb57c2dee8e188?s=96&d=mm&r=g","url":"https:\/\/secure.gravatar.com\/avatar\/01173f1da90dde8adb887d6793fa4e42c4004e53f8d645d9b1cb57c2dee8e188?s=96&d=mm&r=g","height":96,"width":96}},"publisher":{"@type":"Organization","name":"mhks.cz","logo":{"@type":"ImageObject","@id":"\/logo.png","url":"\/logo.png","width":600,"height":60}},"image":{"@type":"ImageObject","@id":"https:\/\/www.mhks.cz\/wp-content\/uploads\/home-office-gdcaad435b_640.jpg","url":"https:\/\/www.mhks.cz\/wp-content\/uploads\/home-office-gdcaad435b_640.jpg","height":0,"width":0},"url":"https:\/\/www.mhks.cz\/strojirenstvi-vyzaduje-i-presne-merici-pristroje-napriklad-dutinomery\/","about":["Business"],"wordCount":424,"articleBody":"   Zhotovov\u00e1n\u00ed kruhov\u00fdch otvor\u016f v obrobc\u00edch je b\u011b\u017enou stroj\u00edrenskou prax\u00ed a pat\u0159\u00ed k nejstar\u0161\u00edm zp\u016fsob\u016fm obr\u00e1b\u011bn\u00ed kov\u016f. Z\u00e1kladn\u00edm n\u00e1strojem je vrt\u00e1k a s jeho pomoc\u00ed lze zhotovit otvory s omezenou jakost\u00ed povrchu i p\u0159esnost\u00ed, co se t\u00fd\u010de tvaru a rozm\u011br\u016f otvoru. Jestli\u017ee chceme vyr\u00e1b\u011bt otvory p\u0159esn\u011bj\u0161\u00ed, kter\u00e9 budou slou\u017eit pro n\u011bkter\u00e9 pohybliv\u00e9 sou\u010d\u00e1sti, mus\u00edme p\u0159edvrtan\u00fd otvor je\u0161t\u011b n\u011b\u010d\u00edm vylep\u0161it. Pro tyto \u00fa\u010dely se vyu\u017e\u00edvaj\u00ed ve stroj\u00edrensk\u00e9 praxi v\u00fdhrubn\u00edky a v\u00fdstru\u017en\u00edky. V\u00fdstru\u017en\u00edk je tedy vlastn\u011b t\u00edm koncov\u00fdm n\u00e1strojem, s jeho\u017e pomoc\u00ed doc\u00edl\u00edme velmi p\u0159esn\u00e9ho obr\u00e1b\u011bn\u00ed, a to i tam, kde se jedn\u00e1 o n\u00e1ro\u010dn\u00e9 v\u00fdrobn\u00ed procesy a sou\u010d\u00e1sti.V\u00fdstru\u017en\u00edky se b\u011b\u017en\u011b objevuj\u00ed v automobilov\u00e9m a leteck\u00e9m pr\u016fmyslu, jsou zde nezbytn\u00e9 nap\u0159\u00edklad pro zhotovov\u00e1n\u00ed pohonn\u00fdch jednotek \u2013 spalovac\u00edch motor\u016f, jejich\u017e slo\u017eit\u00e1 konstrukce ji\u017e sama o sob\u011b napov\u00edd\u00e1, \u017ee tu vrt\u00e1ky nemohou p\u0159i obr\u00e1b\u011bn\u00ed dosta\u010dovat.Jestli\u017ee pou\u017eijeme ve v\u00fdrob\u011b kruhov\u00fdch otvor\u016f v\u00fdstru\u017en\u00edk, bude zapot\u0159eb\u00ed tak\u00e9 prov\u00e1d\u011bt kontroln\u00ed m\u011b\u0159en\u00ed. Bez m\u011b\u0159ic\u00edch p\u0159\u00edstroj\u016f se \u017e\u00e1dn\u00fd stroja\u0159 neobejde a m\u011b\u0159idel existuje cel\u00e1 \u0159ada, t\u011bmi nejzn\u00e1m\u011bj\u0161\u00edmi jsou posuvn\u00e9 m\u011b\u0159\u00edtko a mikrometr, a m\u00e1me-li m\u011b\u0159it velmi p\u0159esn\u011b a d\u016fv\u011bryhodn\u011b vnit\u0159n\u00ed kruhov\u00e9 otvory, mus\u00edme tu nasadit dutinom\u011br.Dutinom\u011br\u016fm se p\u0159ezd\u00edv\u00e1 \u201eSubita\u201c a jedn\u00e1 se o velmi roz\u0161\u00ed\u0159en\u00e1 m\u011b\u0159idla, bez nich\u017e se p\u0159esn\u00e1 stroj\u00edrensk\u00e1 v\u00fdroba nem\u016f\u017ee uskute\u010dnit. Jsou zapot\u0159eb\u00ed zejm\u00e9na tam, kde se otvory zhotovuj\u00ed s velk\u00fdm d\u016frazem na p\u0159esnost, proto\u017ee tu jde o ulo\u017een\u00ed h\u0159\u00eddele v d\u00ed\u0159e s minim\u00e1ln\u00ed v\u016fl\u00ed, a kde doch\u00e1z\u00ed k pohybu jednotliv\u00fdch sou\u010d\u00e1st\u00ed.Dutinom\u011bry jsou pom\u011brn\u011b drah\u00e1 m\u011b\u0159idla, ostatn\u011b s t\u00edm se tak\u00e9 po\u010d\u00edt\u00e1, nebo\u0165 se jedn\u00e1 o v\u00fdrobky v s\u00e9riov\u00e9 v\u00fdrob\u011b s vy\u0161\u0161\u00edmi v\u00fdrobn\u00edmi n\u00e1klady a t\u00edm p\u00e1dem i s vy\u0161\u0161\u00ed po\u0159izovac\u00ed cenou. Uplatn\u00ed se zejm\u00e9na p\u0159i v\u00fdrob\u011b dopravn\u00edch prost\u0159edk\u016f, stroj\u016f a mnoha technick\u00fdch za\u0159\u00edzen\u00ed, jako jsou turb\u00edny, kompresory, gener\u00e1tory, kotle atd.                                                                                                                                                                                                                                                                                                                                                                                                  "},{"@context":"https:\/\/schema.org\/","@type":"BreadcrumbList","itemListElement":[{"@type":"ListItem","position":1,"name":"Stroj\u00edrenstv\u00ed vy\u017eaduje i p\u0159esn\u00e9 m\u011b\u0159ic\u00ed p\u0159\u00edstroje, nap\u0159\u00edklad dutinom\u011bry","item":"https:\/\/www.mhks.cz\/strojirenstvi-vyzaduje-i-presne-merici-pristroje-napriklad-dutinomery\/#breadcrumbitem"}]}]