[{"@context":"https:\/\/schema.org\/","@type":"Article","@id":"https:\/\/www.pacifika.cz\/presnost-vyroby\/#Article","mainEntityOfPage":"https:\/\/www.pacifika.cz\/presnost-vyroby\/","headline":"P\u0159esnost v\u00fdroby","name":"P\u0159esnost v\u00fdroby","description":"Nesm\u00edme ji podcenit V\u0161emo\u017en\u00e9 tolerance zad\u00e1v\u00e1 na v\u00fdkres ji\u017e konstrukt\u00e9r, proto\u017ee bez nich by v\u00fdsledn\u00fd...","datePublished":"2023-07-22","dateModified":"2023-10-06","author":{"@type":"Person","@id":"https:\/\/www.pacifika.cz\/author\/#Person","name":"","url":"https:\/\/www.pacifika.cz\/author\/","identifier":1,"image":{"@type":"ImageObject","@id":"https:\/\/secure.gravatar.com\/avatar\/ac70c9e5ac34d1687bd81eed3e0a5127e2920111fdfe832b53d740bc4b86c4fd?s=96&d=mm&r=g","url":"https:\/\/secure.gravatar.com\/avatar\/ac70c9e5ac34d1687bd81eed3e0a5127e2920111fdfe832b53d740bc4b86c4fd?s=96&d=mm&r=g","height":96,"width":96}},"publisher":{"@type":"Organization","name":"pacifika.cz","logo":{"@type":"ImageObject","@id":"\/logo.png","url":"\/logo.png","width":600,"height":60}},"image":{"@type":"ImageObject","@id":"https:\/\/www.pacifika.cz\/wp-content\/uploads\/cnc-5770326_1280.jpg","url":"https:\/\/www.pacifika.cz\/wp-content\/uploads\/cnc-5770326_1280.jpg","height":0,"width":0},"url":"https:\/\/www.pacifika.cz\/presnost-vyroby\/","about":["Slu\u017eby"],"wordCount":424,"articleBody":"   Nesm\u00edme ji podcenitV\u0161emo\u017en\u00e9 tolerance zad\u00e1v\u00e1 na v\u00fdkres ji\u017e konstrukt\u00e9r, proto\u017ee bez nich by v\u00fdsledn\u00fd produkt nefungoval jak by m\u011bl ve v\u00fdsledn\u00e9 sestav\u011b. Kde se v\u0161ude pou\u017e\u00edvaj\u00ed? P\u0159\u00edklad\u016f je opravdu mnoho. Prvn\u00edm jsou obecn\u00e9 tolerance, kter\u00e9 se p\u0159edepisuj\u00ed do popisov\u00e9ho pole. Tolerance je v\u0161ak v \u0159\u00e1dech p\u00e1r desetin v z\u00e1vislosti na velkosti rozm\u011bru, ov\u0161em to mnohdy nesta\u010d\u00ed. Kdy\u017e sam\u00e9m t\u0159eba listovat h\u0159\u00eddel do n\u00e1boje, tak mus\u00edme zvolit vhodn\u00e9 ulo\u017een\u00ed s p\u0159esahem, tak\u017ee d\u00edra i h\u0159\u00eddel mus\u00ed m\u00edt p\u0159esn\u00e9 rozmez\u00ed pr\u016fm\u011br\u016f. U h\u0159\u00eddel\u00ed se proto b\u011b\u017en\u011b vyu\u017e\u00edv\u00e1 CNC brusek, kter\u00e9 v dne\u0161n\u00ed dob\u011b dok\u00e1\u017e\u00ed dos\u00e1hnout p\u0159esnosti v \u0159\u00e1dech desetitis\u00edcin. Krom\u011b b\u011b\u017en\u00fdch rozm\u011brov\u00fdch toleranc\u00ed tu m\u00e1me je\u0161t\u011b ty geometrick\u00e9. Jako p\u0159\u00edklad si m\u016f\u017eeme uv\u00e9st h\u0159\u00eddel v p\u0159evodovce, proto\u017ee ta mus\u00ed m\u00edt jistou maxim\u00e1ln\u00ed h\u00e1zivost, proto\u017ee dosahuje vysok\u00fdch ot\u00e1\u010dek. Samoz\u0159ejm\u011b m\u011b\u0159en\u00ed je odli\u0161n\u00e9 od toho rozm\u011brov\u00e9ho, proto\u017ee konkr\u00e9tn\u011b zde h\u0159\u00eddel\u00ed ot\u00e1\u010d\u00edme p\u0159es st\u0159ed\u00edc\u00ed d\u016flky a v\u00fdchylku sledujeme na bud\u00edku.V\u00fdrobn\u00ed n\u00e1strojeCNC stroje dosahuj\u00ed skute\u010dn\u011b vysok\u00e9 p\u0159esnosti, akor\u00e1t mus\u00ed b\u00fdt spr\u00e1vn\u011b se\u0159\u00edzeny. P\u0159eci jen n\u00e1stroje m\u016f\u017eou b\u00fdt ji\u017e trochu opot\u0159ebeny a vyskytnou se n\u011bjak\u00e9 d\u011bl\u00e1\u0161 nep\u0159esnosti. Proto krom\u011b program\u00e1tor\u016f b\u00fdvaj\u00ed ve firm\u00e1ch i se\u0159izova\u010di, kte\u0159\u00ed kus zanesou do kontroly a dle jejich v\u00fdsledku stroj se\u0159\u00edd\u00ed a zase ho zanesou zkontrolovat, dokud nebude v\u0161e v po\u0159\u00e1dku. Obr\u00e1b\u011bn\u00ed prob\u00edh\u00e1 pomoc\u00ed p\u0159esn\u00fdch n\u00e1stroj\u016f, kter\u00e9 mus\u00ed m\u00edt dobrou trvanlivost a zvl\u00e1dat rychl\u00e9 \u0159ezn\u00e9 podm\u00ednky, abychom dos\u00e1hli vysok\u00e9 produktivity. Kdy\u017e jsme si \u0159\u00edkali o brou\u0161en\u00ed h\u0159\u00eddele pro dosa\u017een\u00ed vhodn\u00e9ho ulo\u017een\u00ed, tak n\u011bjak\u00fdm zp\u016fsobem mus\u00edme tak\u00e9 opracovat d\u00edru. M\u016f\u017eeme k tomu vyu\u017e\u00edt v\u00fdstru\u017en\u00edk ku\u017eelov\u00fd I-nastroje. Je\u0161t\u011b p\u0159ed n\u00edm m\u016f\u017eeme pou\u017e\u00edt v\u00fdhrubn\u00edk, co\u017e je p\u0159edoperace u v\u011bt\u0161\u00edch pr\u016fm\u011br\u016f, abychom dos\u00e1hli vy\u0161\u0161\u00ed \u017eivotnosti v\u00fdstru\u017en\u00edku. Ten je toti\u017e fin\u00e1ln\u00ed operac\u00ed a m\u00e1me z hlediska obr\u00e1b\u011bn\u00ed tohoto otvoru hotovo.                                                                                                                                                                                                                                                                                                                                                                                           4.3\/5 - (7 votes)        "},{"@context":"https:\/\/schema.org\/","@type":"BreadcrumbList","itemListElement":[{"@type":"ListItem","position":1,"name":"P\u0159esnost v\u00fdroby","item":"https:\/\/www.pacifika.cz\/presnost-vyroby\/#breadcrumbitem"}]}]