[{"@context":"https:\/\/schema.org\/","@type":"Article","@id":"https:\/\/www.bebel.cz\/protahovaci-trny-jsou-sverazne-nastroje\/#Article","mainEntityOfPage":"https:\/\/www.bebel.cz\/protahovaci-trny-jsou-sverazne-nastroje\/","headline":"Protahovac\u00ed trny jsou sv\u00e9r\u00e1zn\u00e9 n\u00e1stroje","name":"Protahovac\u00ed trny jsou sv\u00e9r\u00e1zn\u00e9 n\u00e1stroje","description":"\u0158\u00edk\u00e1 v\u00e1m n\u011bco v\u00fdraz \u201eprotahovac\u00ed trn\u201c? Pro \u010dlov\u011bka, co se nezab\u00fdv\u00e1 stroj\u00edrenstv\u00edm, to m\u016f\u017ee b\u00fdt naprosto nezn\u00e1m\u00fd p\u0159edm\u011bt, a z jeho n\u00e1zvu se pak sna\u017e\u00ed","datePublished":"2024-12-20","dateModified":"2024-12-20","author":{"@type":"Person","@id":"https:\/\/www.bebel.cz\/author\/devene\/#Person","name":"devene","url":"https:\/\/www.bebel.cz\/author\/devene\/","identifier":1,"image":{"@type":"ImageObject","@id":"https:\/\/secure.gravatar.com\/avatar\/4eaadff62661a2c38386085c87f88f683e575f9fda122ff8560bf1208996f3c5?s=96&d=mm&r=g","url":"https:\/\/secure.gravatar.com\/avatar\/4eaadff62661a2c38386085c87f88f683e575f9fda122ff8560bf1208996f3c5?s=96&d=mm&r=g","height":96,"width":96}},"publisher":{"@type":"Organization","name":"bebel.cz","logo":{"@type":"ImageObject","@id":"\/logo.png","url":"\/logo.png","width":600,"height":60}},"image":{"@type":"ImageObject","@id":"https:\/\/www.bebel.cz\/wp-content\/uploads\/milling-cutters-3209230_640_3.jpg","url":"https:\/\/www.bebel.cz\/wp-content\/uploads\/milling-cutters-3209230_640_3.jpg","height":0,"width":0},"url":"https:\/\/www.bebel.cz\/protahovaci-trny-jsou-sverazne-nastroje\/","about":["Produkty"],"wordCount":411,"articleBody":"       \u0158\u00edk\u00e1 v\u00e1m n\u011bco v\u00fdraz \u201eprotahovac\u00ed trn\u201c? Pro \u010dlov\u011bka, co se nezab\u00fdv\u00e1 stroj\u00edrenstv\u00edm, to m\u016f\u017ee b\u00fdt naprosto nezn\u00e1m\u00fd p\u0159edm\u011bt, a z jeho n\u00e1zvu se pak sna\u017e\u00ed vydedukovat jeho podobu, tvar a tak\u00e9 pou\u017eit\u00ed. Ne, skute\u010dn\u011b to nen\u00ed \u017e\u00e1dn\u00fd pichlav\u00fd trn, jako m\u00e1 r\u016f\u017ee nebo ak\u00e1t, jde o velice sv\u00e9r\u00e1znou stroj\u00edrenskou pom\u016fcku, nepostradatelnou pro n\u011bkter\u00e9 v\u00fdrobn\u00ed procesy. Co je nap\u0159\u00edklad pro \u201eprotahov\u00e1ky\u201c typick\u00e9?Jin\u00fdm n\u00e1strojem to nevyrob\u00edte \u2013 protahovac\u00ed trny se vyu\u017e\u00edvaj\u00ed hlavn\u011b tam, kde dot\u010den\u00fd obr\u00e1b\u011bc\u00ed proces nelze prov\u00e9st jin\u00fdm zp\u016fsobem. Jsou to nap\u0159\u00edklad r\u016fzn\u00e9 dr\u00e1\u017eky a vnit\u0159n\u00ed otvory atypick\u00e9ho vzhledu, jako t\u0159eba otvor tvaru sedmic\u00edp\u00e9 hv\u011bzdy nebo i nepravideln\u00e9 a osov\u011b nesoum\u011brn\u00e9 otvory. Typick\u00fdm p\u0159\u00edkladem takov\u00e9ho v\u00fdrobku je vlo\u017eka do patentn\u00edho z\u00e1mku ve va\u0161ich dve\u0159\u00edch \u2013 vlo\u017eky do z\u00e1mk\u016f ni\u010d\u00edm jin\u00fdm nevyrob\u00edte a vzhledem k tomu, \u017ee jsou jich na trhu miliony kus\u016f, protahovac\u00ed trny se po\u010dtem vyroben\u00fdch kus\u016f bezpe\u010dn\u011b zaplat\u00ed. Protahov\u00e1ky jsou drah\u00e9 \u2013 protahovac\u00ed trny, nap\u0159. \u010cSN 221810 i n\u00e1stroje se zhotovuj\u00ed jako\u017eto speci\u00e1ln\u00ed n\u00e1stroje pro velk\u00fd po\u010det s\u00e9ri\u00ed obrobk\u016f. Jin\u00fdmi slovy protahov\u00e1k se v\u00e1m mus\u00ed vyplatit, respektive zaplatit velk\u00fdm po\u010dtem vyroben\u00fdch (obr\u00e1b\u011bn\u00fdch) kus\u016f, nebo\u0165 jeho cena neb\u00fdv\u00e1 zrovna zanedbateln\u00e1. Po\u010d\u00edtejte n\u011bkdy s tis\u00edci korunami a\u017e des\u00edtky tis\u00edc korun. V\u00fdroba je velmi p\u0159esn\u00e1 \u2013 u pr\u00e1ce s protahov\u00e1kem jste u\u0161et\u0159eni nep\u0159esnostem p\u0159i v\u00fdrob\u011b, kter\u00e9 se t\u00fdkaj\u00ed nap\u0159\u00edklad soustru\u017een\u00ed \u2013 jestli\u017ee soustru\u017en\u00edk nastav\u00ed \u0161patnou hodnotu p\u0159\u00edsuvu a ubere v\u011bt\u0161\u00ed t\u0159\u00edsku, vznikne zmetek, kter\u00fd ji\u017e nen\u00ed v rozm\u011brov\u00e9 toleranci. U protahov\u00e1ku ve\u0161kerou v\u00fdrobn\u00ed operaci provede n\u00e1stroj od za\u010d\u00e1tku a\u017e do konce \u2013 k fin\u00e1ln\u00edmu rozm\u011bru \u2013 vyhnete se t\u00edm tedy onomu \u201elidsk\u00e9mu chybuj\u00edc\u00edmu faktoru\u201c.Mus\u00edte m\u00edt protahova\u010dku \u2013 k pr\u00e1ci protahovac\u00edho trnu je t\u0159eba m\u00edt i pat\u0159i\u010dn\u00fd stroj, tedy bu\u010f protahova\u010dku, anebo hoblovku s protahovac\u00ed funkc\u00ed. Tyto stroje jsou dle sm\u011bru pr\u00e1ce \u0159ezn\u00e9ho n\u00e1stroje bu\u010f vodorovn\u00e9 (\u010dast\u011bj\u0161\u00ed) nebo svisl\u00e9.                                                                                                                                                                                                                                                                                                                                                                                          3.9\/5 - (7 votes)        "},{"@context":"https:\/\/schema.org\/","@type":"BreadcrumbList","itemListElement":[{"@type":"ListItem","position":1,"name":"Protahovac\u00ed trny jsou sv\u00e9r\u00e1zn\u00e9 n\u00e1stroje","item":"https:\/\/www.bebel.cz\/protahovaci-trny-jsou-sverazne-nastroje\/#breadcrumbitem"}]}]