[{"@context":"https:\/\/schema.org\/","@type":"Article","@id":"https:\/\/www.kryf.cz\/zavitniky-narex-pro-vyrobni-provozy-zamecnicke-dilny-i-pro-kutily\/#Article","mainEntityOfPage":"https:\/\/www.kryf.cz\/zavitniky-narex-pro-vyrobni-provozy-zamecnicke-dilny-i-pro-kutily\/","headline":"Z\u00e1vitn\u00edky Narex pro v\u00fdrobn\u00ed provozy, z\u00e1me\u010dnick\u00e9 d\u00edlny, i pro kutily","name":"Z\u00e1vitn\u00edky Narex pro v\u00fdrobn\u00ed provozy, z\u00e1me\u010dnick\u00e9 d\u00edlny, i pro kutily","description":"Co je to z\u00e1vitn\u00edk, si jist\u011b mnoz\u00ed lid\u00e9 domysl\u00ed. Z\u00e1vit je toti\u017e b\u011b\u017enou sou\u010d\u00e1st\u00ed na\u0161eho \u017eivota a setk\u00e1v\u00e1me se s n\u00edm u \u0161roubov\u00fdch spoj\u016f z r\u016fzn\u00fdch materi\u00e1l\u016f, a to dokonce i d\u0159ev\u011bn\u00fdch. Vyn\u00e1lez z\u00e1vitu je skute\u010dn\u011b jeden z nej\u00fa\u017easn\u011bj\u0161\u00edch objev\u016f lidstva, a st\u011b\u017e\u00ed bychom se dnes bez n\u011bj obe\u0161li. Z\u00e1vity jsou dokonce i na \u017e\u00e1rovk\u00e1ch,","datePublished":"2020-10-30","dateModified":"2023-05-15","author":{"@type":"Person","@id":"https:\/\/www.kryf.cz\/author\/#Person","name":"","url":"https:\/\/www.kryf.cz\/author\/","identifier":1,"image":{"@type":"ImageObject","@id":"https:\/\/secure.gravatar.com\/avatar\/7c144e1de0ecc43e7a8353c804f0c7ea63c9554336576e7048c4bdeaa59bbbbb?s=96&d=mm&r=g","url":"https:\/\/secure.gravatar.com\/avatar\/7c144e1de0ecc43e7a8353c804f0c7ea63c9554336576e7048c4bdeaa59bbbbb?s=96&d=mm&r=g","height":96,"width":96}},"publisher":{"@type":"Organization","name":"kryf.cz","logo":{"@type":"ImageObject","@id":"\/logo.png","url":"\/logo.png","width":600,"height":60}},"image":{"@type":"ImageObject","@id":"https:\/\/www.kryf.cz\/wp-content\/uploads\/pr%C3%A1ce%20z%C3%A1vitn%C3%ADku.jpg","url":"https:\/\/www.kryf.cz\/wp-content\/uploads\/pr%C3%A1ce%20z%C3%A1vitn%C3%ADku.jpg","height":0,"width":0},"url":"https:\/\/www.kryf.cz\/zavitniky-narex-pro-vyrobni-provozy-zamecnicke-dilny-i-pro-kutily\/","about":["Nakupov\u00e1n\u00ed"],"wordCount":446,"articleBody":"       Co je to z\u00e1vitn\u00edk, si jist\u011b mnoz\u00ed lid\u00e9 domysl\u00ed. Z\u00e1vit je toti\u017e b\u011b\u017enou sou\u010d\u00e1st\u00ed na\u0161eho \u017eivota a setk\u00e1v\u00e1me se s n\u00edm u \u0161roubov\u00fdch spoj\u016f z r\u016fzn\u00fdch materi\u00e1l\u016f, a to dokonce i d\u0159ev\u011bn\u00fdch. Vyn\u00e1lez z\u00e1vitu je skute\u010dn\u011b jeden z nej\u00fa\u017easn\u011bj\u0161\u00edch objev\u016f lidstva, a st\u011b\u017e\u00ed bychom se dnes bez n\u011bj obe\u0161li. Z\u00e1vity jsou dokonce i na \u017e\u00e1rovk\u00e1ch, jsou sou\u010d\u00e1st\u00ed snad v\u0161ech dom\u00e1c\u00edch spot\u0159ebi\u010d\u016f, a kdy\u017e bereme do ruky oby\u010dejn\u00fd \u0161roubek, pova\u017eujeme jej za n\u011bco velice samoz\u0159ejm\u00e9ho.\u0160roubek ale musel n\u011bkdo navrhnout a vyrobit. V\u011bt\u0161ina z nich opou\u0161t\u00ed v\u00fdrobn\u00ed linky stroj\u00edrensk\u00fdch z\u00e1vod\u016f, ale jsou i situace, kdy je nutn\u00e9 zhotovit z\u00e1vit p\u0159esn\u011b na m\u00edru, a v m\u00edstech, kter\u00e1 nelze jednodu\u0161e p\u0159em\u00edstit do v\u00fdrobn\u00ed haly. Z\u00e1vitn\u00edky Narex se tak staly mnohalet\u00fdm osv\u011bd\u010den\u00fdm pomocn\u00edkem nejen ve velk\u00fdch v\u00fdrobn\u00edch komplexech, ale i v z\u00e1me\u010dnick\u00fdch d\u00edln\u00e1ch, v men\u0161\u00edch provozovn\u00e1ch, a samoz\u0159ejm\u011b i jako sou\u010d\u00e1st vybaven\u00ed kutil\u016f.Existuj\u00ed dva z\u00e1kladn\u00ed druhy z\u00e1vitn\u00edk\u016f \u2013 pro v\u00fdrobu vn\u011bj\u0161\u00edch a vnit\u0159n\u00edch z\u00e1vit\u016f. Ty lze zhotovit na ty\u010d\u00edch, trubk\u00e1ch, a v\u0161ech v\u00fdrobc\u00edch s p\u0159edvrtan\u00fdmi kruhov\u00fdmi otvory. Z\u00e1vity mohou b\u00fdt metrick\u00e9, zna\u010den\u00e9 p\u00edsmenem M \u2013 ty jsou tak\u00e9 nej\u010dast\u011bj\u0161\u00ed. Vyrobit lze ov\u0161em i dal\u0161\u00ed \u2013 Whitworth\u016fv (W), Trap\u00e9zov\u00fd (TR), Obl\u00fd (Rd), Trubkov\u00fd (G), a speci\u00e1ln\u00ed, nap\u0159. s velmi jemn\u00fdm stoup\u00e1n\u00edm.Dal\u0161\u00edm d\u011blen\u00edm z\u00e1vitn\u00edk\u016f je jejich zp\u016fsob vyu\u017eit\u00ed. Ty mohou b\u00fdt bu\u010f strojn\u00ed, nebo ru\u010dn\u00ed. Strojn\u00ed se vyu\u017e\u00edvaj\u00ed na soustruhu, kde se upnou do tzv. skl\u00ed\u010didla, nebo do speci\u00e1ln\u00ed tzv. z\u00e1vito\u0159ezn\u00e9 hlavy. Strojn\u00ed n\u00e1stroje maj\u00ed r\u016fzn\u00fd tvar a konstrukci vzhledem k tomu, o jak\u00e9 otvory jde, zda o pr\u016fchoz\u00ed, nebo slep\u00e9, a kr\u00e1tk\u00e9, \u010di dlouh\u00e9 z\u00e1vity.Ru\u010dn\u00ed n\u00e1stroje zn\u00e1 ka\u017ed\u00fd z\u00e1me\u010dn\u00edk a zdatn\u00fd kutil, uplatn\u00ed se i v dom\u00e1cnosti p\u0159i oprav\u00e1ch a zhotovov\u00e1n\u00ed r\u016fzn\u00fdch v\u00fdrobk\u016f, kde nevysta\u010d\u00edme s b\u011b\u017en\u00fdm stroj\u00edrensk\u00fdm sortimentem v hobbymarketech a \u017eelez\u00e1\u0159stv\u00edch. N\u011bkdy je zkr\u00e1tka t\u0159eba vykrojit z\u00e1vit v m\u00edstech t\u011b\u017eko dostupn\u00fdch, nebo v p\u0159\u00edpad\u011b atypick\u00fdch p\u0159edm\u011bt\u016f.                                                                                                                                                                                                                                                                                                                                                                                          5\/5 - (1 vote)        "},{"@context":"https:\/\/schema.org\/","@type":"BreadcrumbList","itemListElement":[{"@type":"ListItem","position":1,"name":"Z\u00e1vitn\u00edky Narex pro v\u00fdrobn\u00ed provozy, z\u00e1me\u010dnick\u00e9 d\u00edlny, i pro kutily","item":"https:\/\/www.kryf.cz\/zavitniky-narex-pro-vyrobni-provozy-zamecnicke-dilny-i-pro-kutily\/#breadcrumbitem"}]}]