[{"@context":"https:\/\/schema.org\/","@type":"Article","@id":"https:\/\/www.giscagi.cz\/k-cemu-je-zapotrebi-obrazeci-nuz\/#Article","mainEntityOfPage":"https:\/\/www.giscagi.cz\/k-cemu-je-zapotrebi-obrazeci-nuz\/","headline":"K \u010demu je zapot\u0159eb\u00ed obr\u00e1\u017eec\u00ed n\u016f\u017e","name":"K \u010demu je zapot\u0159eb\u00ed obr\u00e1\u017eec\u00ed n\u016f\u017e","description":"Stroj\u00edrenstv\u00ed je natolik slo\u017eit\u00fd a obs\u00e1hl\u00fd obor, \u017ee se mu lid\u00e9, kte\u0159\u00ed se mu profesion\u00e1ln\u011b i amat\u00e9rsky v\u011bnuj\u00ed, sna\u017e\u00ed l\u00e9pe porozum\u011bt v podstat\u011b po cel\u00fd \u017eivot. Do tohoto oboru pat\u0159\u00ed i tzv. obr\u00e1\u017een\u00ed \u2013 obr\u00e1\u017ee\u010dky a obr\u00e1\u017eec\u00ed no\u017ee. Obr\u00e1\u017ee\u010dky pat\u0159\u00ed do z\u00e1kladn\u00edho strojn\u00edho parku stroj\u00edrensk\u00e9 v\u00fdroby. Setk\u00e1te se s nimi zejm\u00e9na v kusov\u00e9 v\u00fdrob\u011b, p\u0159\u00edpadn\u011b […]","datePublished":"2021-04-12","dateModified":"2023-05-05","author":{"@type":"Person","@id":"https:\/\/www.giscagi.cz\/author\/#Person","name":"giscagi.cz\n","url":"https:\/\/www.giscagi.cz\/author\/","identifier":1,"image":{"@type":"ImageObject","@id":"https:\/\/secure.gravatar.com\/avatar\/c4e504508c75b610a351629e223ddd0c5b7858df84b2b7deedc4e007bdf99fc8?s=96&d=mm&r=g","url":"https:\/\/secure.gravatar.com\/avatar\/c4e504508c75b610a351629e223ddd0c5b7858df84b2b7deedc4e007bdf99fc8?s=96&d=mm&r=g","height":96,"width":96}},"publisher":{"@type":"Organization","name":"giscagi.cz","logo":{"@type":"ImageObject","@id":"\/logo.png","url":"\/logo.png","width":600,"height":60}},"image":{"@type":"ImageObject","@id":"https:\/\/giscagi.cz\/wp-content\/uploads\/chisel-3905896_640.jpg","url":"https:\/\/giscagi.cz\/wp-content\/uploads\/chisel-3905896_640.jpg","height":"","width":""},"url":"https:\/\/www.giscagi.cz\/k-cemu-je-zapotrebi-obrazeci-nuz\/","about":["Neza\u0159azen\u00e9"],"wordCount":419,"articleBody":"   Stroj\u00edrenstv\u00ed je natolik slo\u017eit\u00fd a obs\u00e1hl\u00fd obor, \u017ee se mu lid\u00e9, kte\u0159\u00ed se mu profesion\u00e1ln\u011b i amat\u00e9rsky v\u011bnuj\u00ed, sna\u017e\u00ed l\u00e9pe porozum\u011bt v podstat\u011b po cel\u00fd \u017eivot. Do tohoto oboru pat\u0159\u00ed i tzv. obr\u00e1\u017een\u00ed \u2013 obr\u00e1\u017ee\u010dky a obr\u00e1\u017eec\u00ed no\u017ee.Obr\u00e1\u017ee\u010dky pat\u0159\u00ed do z\u00e1kladn\u00edho strojn\u00edho parku stroj\u00edrensk\u00e9 v\u00fdroby. Setk\u00e1te se s nimi zejm\u00e9na v kusov\u00e9 v\u00fdrob\u011b, p\u0159\u00edpadn\u011b u mal\u00fdch s\u00e9ri\u00ed obrobk\u016f. Jsou to v podstat\u011b (zjednodu\u0161en\u011b \u0159e\u010deno) hoblovky, hoblovac\u00ed stroje, kter\u00e9 se rozd\u011bluj\u00ed na svisl\u00e9 a vodorovn\u00e9 podle posuvu pracovn\u00edho n\u00e1stroje \u2013 obr\u00e1\u017eec\u00edho no\u017ee. Hlavn\u00ed rozd\u00edl mezi obr\u00e1\u017een\u00edm a hoblov\u00e1n\u00edm spo\u010d\u00edv\u00e1 v pohybu obrobku a n\u00e1stroje \u2013 u hoblovek je hlavn\u00ed pohyb vykon\u00e1v\u00e1n obrobkem, zat\u00edmco u obr\u00e1\u017ee\u010dek hlavn\u00ed pohyb obstar\u00e1v\u00e1 n\u00e1stroj.Obr\u00e1\u017eec\u00ed n\u016f\u017e se sv\u00fdm tvarem podob\u00e1 no\u017ei soustru\u017enick\u00e9mu, nicm\u00e9n\u011b soustru\u017een\u00ed je zcela odli\u0161n\u00fd zp\u016fsob opracov\u00e1n\u00ed materi\u00e1lu \u2013 tam se ot\u00e1\u010d\u00ed obrobek a n\u016f\u017e na n\u011bm vytv\u00e1\u0159\u00ed symetrick\u00e9 tvary, zat\u00edmco u obr\u00e1\u017een\u00ed no\u017ee ub\u00edraj\u00ed t\u0159\u00edsku \u00fapln\u011b jin\u00fdm zp\u016fsobem.Nej\u010dast\u011bji se obr\u00e1\u017een\u00edm zhotovuj\u00ed r\u016fzn\u011b tvarovan\u00e9 dr\u00e1\u017eky a vnit\u0159n\u00ed otvory, p\u0159\u00edpadn\u011b krat\u0161\u00ed rovn\u00e9 plochy, a to ve svisl\u00e9, vodorovn\u00e9 nebo \u0161ikm\u00e9 poloze obrobku. Obr\u00e1\u017eec\u00ed n\u016f\u017e vykon\u00e1v\u00e1 tzv. \u201evratn\u00fd p\u0159\u00edmo\u010dar\u00fd pohyb\u201c, co\u017e ov\u0161em znamen\u00e1, \u017ee p\u0159i pohybu zp\u011bt se n\u016f\u017e pouze vrac\u00ed do p\u016fvodn\u00ed polohy a \u017e\u00e1dnou t\u0159\u00edsku neodeb\u00edr\u00e1, a to nen\u00ed samoz\u0159ejm\u011b produktivn\u00ed. No\u017ee se up\u00ednaj\u00ed do speci\u00e1ln\u00edch dr\u017e\u00e1k\u016f, kter\u00e9 se p\u0159i vratn\u00e9m pohybu n\u00e1stroje sklop\u00ed tak, aby se b\u0159it nedot\u00fdkal obrobku.Kv\u016fli zv\u00fd\u0161en\u00ed produktivity pr\u00e1ce a zkr\u00e1cen\u00ed pracovn\u00edho \u010dasu se obr\u00e1\u017ee\u010dky konstruuj\u00ed tak, aby zp\u011btn\u00fd pohyb no\u017ee prob\u00edhal s vy\u0161\u0161\u00edmi rychlostmi, ne\u017e pohyb dop\u0159edn\u00fd s odb\u011brem t\u0159\u00edsky.Jak u\u017e bylo \u0159e\u010deno, obr\u00e1\u017eec\u00ed n\u016f\u017e je podobn\u00fd soustru\u017enick\u00e9mu a m\u00e1 pouze jeden \u010dinn\u00fd b\u0159it. V\u00fdhodou t\u011bchto n\u00e1stroj\u016f je, \u017ee jsou velmi levn\u00e9, a mohou se pr\u00e1v\u011b d\u00edky tomu dob\u0159e uplatnit v kusov\u00e9 v\u00fdrob\u011b v r\u016fzn\u00fdch stroj\u00edrensk\u00fdch firm\u00e1ch, ale t\u0159eba i v \u00fadr\u017eb\u011b a v oprav\u00e1rensk\u00e9 \u010dinnosti.                                                                                                                                                                                                                                                                                                                                                                                          4.1\/5 - (13 votes)        "},{"@context":"https:\/\/schema.org\/","@type":"BreadcrumbList","itemListElement":[{"@type":"ListItem","position":1,"name":"K \u010demu je zapot\u0159eb\u00ed obr\u00e1\u017eec\u00ed n\u016f\u017e","item":"https:\/\/www.giscagi.cz\/k-cemu-je-zapotrebi-obrazeci-nuz\/#breadcrumbitem"}]}]