[{"@context":"https:\/\/schema.org\/","@type":"Article","@id":"https:\/\/www.fontanus.cz\/jaka-zname-meridla-ve-strojirenstvi\/#Article","mainEntityOfPage":"https:\/\/www.fontanus.cz\/jaka-zname-meridla-ve-strojirenstvi\/","headline":"Jak\u00e1 zn\u00e1me m\u011b\u0159idla ve stroj\u00edrenstv\u00ed","name":"Jak\u00e1 zn\u00e1me m\u011b\u0159idla ve stroj\u00edrenstv\u00ed","description":"Nej\u010dast\u011bji vyu\u017e\u00edvan\u00fdmi m\u011b\u0159idly ve stroj\u00edrenstv\u00ed jsou posuvn\u00e1 m\u011b\u0159\u00edtka tzv. \u0161uplery. Seznamuj\u00ed se s nimi ji\u017e u\u010dni a studenti st\u0159edn\u00edch odborn\u00fdch \u0161kol a lze s nimi s pom\u011brn\u011b velkou p\u0159esnost\u00ed m\u011b\u0159it v\u011bt\u0161inu stroj\u00edrensk\u00fdch v\u00fdrobk\u016f. Dal\u0161\u00edm velmi roz\u0161\u00ed\u0159en\u00fdm m\u011b\u0159idlem je mikrometr. Jedn\u00e1 se o p\u0159esn\u011bj\u0161\u00ed m\u011b\u0159idlo, vyu\u017e\u00edvan\u00e9 ve specifick\u00fdch stroj\u00edrensk\u00fdch provozech, tam, kde je kladen d\u016fraz na […]","datePublished":"2024-09-15","dateModified":"2024-09-15","author":{"@type":"Person","@id":"https:\/\/www.fontanus.cz\/author\/#Person","name":"","url":"https:\/\/www.fontanus.cz\/author\/","identifier":1,"image":{"@type":"ImageObject","@id":"https:\/\/secure.gravatar.com\/avatar\/2b882a21216b34ba28e79730eea9356b725e9a0bf9885ae3bedd792ae606fb10?s=96&d=mm&r=g","url":"https:\/\/secure.gravatar.com\/avatar\/2b882a21216b34ba28e79730eea9356b725e9a0bf9885ae3bedd792ae606fb10?s=96&d=mm&r=g","height":96,"width":96}},"publisher":{"@type":"Organization","name":"fontanus.cz","logo":{"@type":"ImageObject","@id":"\/logo.png","url":"\/logo.png","width":600,"height":60}},"image":{"@type":"ImageObject","@id":"https:\/\/www.fontanus.cz\/wp-content\/uploads\/technical-drawing-3324368_640_10_8.jpg","url":"https:\/\/www.fontanus.cz\/wp-content\/uploads\/technical-drawing-3324368_640_10_8.jpg","height":0,"width":0},"url":"https:\/\/www.fontanus.cz\/jaka-zname-meridla-ve-strojirenstvi\/","about":["N\u00e1kupy"],"wordCount":413,"articleBody":"   Nej\u010dast\u011bji vyu\u017e\u00edvan\u00fdmi m\u011b\u0159idly ve stroj\u00edrenstv\u00ed jsou posuvn\u00e1 m\u011b\u0159\u00edtka tzv. \u0161uplery. Seznamuj\u00ed se s nimi ji\u017e u\u010dni a studenti st\u0159edn\u00edch odborn\u00fdch \u0161kol a lze s nimi s pom\u011brn\u011b velkou p\u0159esnost\u00ed m\u011b\u0159it v\u011bt\u0161inu stroj\u00edrensk\u00fdch v\u00fdrobk\u016f. Dal\u0161\u00edm velmi roz\u0161\u00ed\u0159en\u00fdm m\u011b\u0159idlem je mikrometr. Jedn\u00e1 se o p\u0159esn\u011bj\u0161\u00ed m\u011b\u0159idlo, vyu\u017e\u00edvan\u00e9 ve specifick\u00fdch stroj\u00edrensk\u00fdch provozech, tam, kde je kladen d\u016fraz na velmi p\u0159esn\u00e9 obr\u00e1b\u011bn\u00ed, a kde jsou rozm\u011brov\u00e9 tolerance ud\u00e1v\u00e1ny v tis\u00edcin\u00e1ch milimetru.Ve velkos\u00e9riov\u00e9 v\u00fdrob\u011b se pom\u011brn\u011b \u010dasto setk\u00e1me s pasametry, jsou to pom\u011brov\u00e1 m\u011b\u0159idla, na nich\u017e se nastav\u00ed po\u017eadovan\u00fd rozm\u011br, a kontroluje se u obrobk\u016f pouze odchylka, zda je v toleranci, \u010di nikoli. Pasametry zna\u010dn\u011b urychluj\u00ed proces kontroly a m\u011b\u0159en\u00ed u velk\u00fdch s\u00e9ri\u00ed obr\u00e1b\u011bn\u00ed. Zna\u010dn\u00fd v\u00fdznam maj\u00ed ve stroj\u00edrenstv\u00ed i dutinom\u011bry neboli subita, jimi\u017e lze velmi p\u0159esn\u011b zm\u011b\u0159it rozm\u011bry kruhov\u00fdch (v\u00e1lcov\u00fdch) \u010di ku\u017eelov\u00fdch otvor\u016f a tak\u00e9 z\u00e1pich\u016f nebo r\u016fzn\u00fdch vnit\u0159n\u00edch dutin a dr\u00e1\u017eek. Pro laboratorn\u00ed velmi p\u0159esn\u00e1 m\u011b\u0159en\u00ed a pro nastavov\u00e1n\u00ed m\u011b\u0159idel (kalibraci) slou\u017e\u00ed speci\u00e1ln\u00ed v\u00fdrobky, takzvan\u00e9 Johansonky neboli Koncov\u00e9 m\u011brky. Johansonky mohou m\u011b\u0159it s p\u0159esnost\u00ed a\u017e na desetitis\u00edcinu milimetru.Nem\u011bli bychom tak\u00e9 zapomenout na sinusov\u00e1 prav\u00edtka https:\/\/www.i-nastroje.cz\/Sinusova-pravitka-c11_432_2.htm. Toto je jedno z nejm\u00e9n\u011b zn\u00e1m\u00fdch m\u011b\u0159idel, s n\u00edm\u017e se laick\u00e1 ve\u0159ejnost tak\u0159\u00edkaj\u00edc nikdy v \u017eivot\u011b nesetk\u00e1, pokud se vysloven\u011b nejedn\u00e1 o stroja\u0159e. Sinusov\u00fdmi prav\u00edtky se m\u011b\u0159\u00ed \u00fahly u ku\u017eelov\u00fdch obrobk\u016f, anebo \u00fakos u rovn\u00fdch obrobk\u016f, a to nep\u0159\u00edmou metodou pomoc\u00ed v\u00fdpo\u010dtu, v n\u011bm\u017e figuruje sinus \u00fahlu alfa. Sinusov\u00e9 prav\u00edtko sest\u00e1v\u00e1 z velmi p\u0159esn\u011b zhotoven\u00e9 z\u00e1kladn\u00ed desky, na n\u00ed\u017e jsou um\u00edst\u011bn\u00e9 dva v\u00e1le\u010dky, z nich\u017e jeden je pak podkl\u00e1d\u00e1n speci\u00e1ln\u00edmi kovov\u00fdmi m\u011brkami. Toto je nejp\u0159esn\u011bj\u0161\u00ed zp\u016fsob, jak zm\u011b\u0159it \u00fahel u ku\u017eelov\u00fdch \u010d\u00e1st\u00ed, v podstat\u011b nem\u00e1me jinou mo\u017enost, jak\u00fdm zp\u016fsobem \u00fahly m\u011b\u0159it, a to ani vizu\u00e1ln\u011b, ani \u017e\u00e1dn\u00fdmi p\u0159\u00edm\u00fdmi dotekov\u00fdmi m\u011b\u0159idly.                                                                                                                                                                                                                                                                                                                                                                                           3.7\/5 - (4 votes)        "},{"@context":"https:\/\/schema.org\/","@type":"BreadcrumbList","itemListElement":[{"@type":"ListItem","position":1,"name":"Jak\u00e1 zn\u00e1me m\u011b\u0159idla ve stroj\u00edrenstv\u00ed","item":"https:\/\/www.fontanus.cz\/jaka-zname-meridla-ve-strojirenstvi\/#breadcrumbitem"}]}]