[{"@context":"https:\/\/schema.org\/","@type":"Article","@id":"https:\/\/www.stavcom.cz\/protahovaci-trn-je-velmi-zvlastni-nastroj\/#Article","mainEntityOfPage":"https:\/\/www.stavcom.cz\/protahovaci-trn-je-velmi-zvlastni-nastroj\/","headline":"Protahovac\u00ed trn je velmi zvl\u00e1\u0161tn\u00ed n\u00e1stroj","name":"Protahovac\u00ed trn je velmi zvl\u00e1\u0161tn\u00ed n\u00e1stroj","description":"Protahovac\u00ed trn je ve stroj\u00edrenstv\u00ed pojmem, v\u011bt\u0161ina \u201eoby\u010dejn\u00fdch smrteln\u00edk\u016f\u201c se s n\u00edm nikdy nesetk\u00e1 a mo\u017en\u00e1 tento v\u00fdraz ani v \u017eivot\u011b nikdy nesly\u0161eli. Znaj\u00ed jej p\u0159edev\u0161\u00edm specialist\u00e9 – stroja\u0159i, ale i p\u0159esto, \u017ee si jeho tvar a zp\u016fsob vyu\u017eit\u00ed n\u011bkte\u0159\u00ed z v\u00e1s nedovedou v\u016fbec p\u0159edstavit, jde o velmi d\u016fle\u017eit\u00fd prvek, bez n\u011bho\u017e bychom dnes nem\u011bli...","datePublished":"2021-05-07","dateModified":"2023-05-22","author":{"@type":"Person","@id":"https:\/\/www.stavcom.cz\/author\/#Person","name":"","url":"https:\/\/www.stavcom.cz\/author\/","identifier":1,"image":{"@type":"ImageObject","@id":"https:\/\/secure.gravatar.com\/avatar\/b86e461e91a792eb6523c2667396c9868de382fea5dd80e25dc0d9e030173b65?s=96&d=mm&r=g","url":"https:\/\/secure.gravatar.com\/avatar\/b86e461e91a792eb6523c2667396c9868de382fea5dd80e25dc0d9e030173b65?s=96&d=mm&r=g","height":96,"width":96}},"publisher":{"@type":"Organization","name":"stavcom.cz","logo":{"@type":"ImageObject","@id":"\/logo.png","url":"\/logo.png","width":600,"height":60}},"image":{"@type":"ImageObject","@id":"https:\/\/www.stavcom.cz\/wp-content\/uploads\/ozuben%C3%A1%20kola_1.jpg","url":"https:\/\/www.stavcom.cz\/wp-content\/uploads\/ozuben%C3%A1%20kola_1.jpg","height":0,"width":0},"url":"https:\/\/www.stavcom.cz\/protahovaci-trn-je-velmi-zvlastni-nastroj\/","about":["\u017dena"],"wordCount":409,"articleBody":"   Protahovac\u00ed trn je ve stroj\u00edrenstv\u00ed pojmem, v\u011bt\u0161ina \u201eoby\u010dejn\u00fdch smrteln\u00edk\u016f\u201c se s n\u00edm nikdy nesetk\u00e1 a mo\u017en\u00e1 tento v\u00fdraz ani v \u017eivot\u011b nikdy nesly\u0161eli. Znaj\u00ed jej p\u0159edev\u0161\u00edm specialist\u00e9 – stroja\u0159i, ale i p\u0159esto, \u017ee si jeho tvar a zp\u016fsob vyu\u017eit\u00ed n\u011bkte\u0159\u00ed z v\u00e1s nedovedou v\u016fbec p\u0159edstavit, jde o velmi d\u016fle\u017eit\u00fd prvek, bez n\u011bho\u017e bychom dnes nem\u011bli k dispozici \u0159adu v\u00fdrobk\u016f. Kup\u0159\u00edkladu docela oby\u010dejn\u00e9 vlo\u017eky do dve\u0159n\u00edho z\u00e1mku.Bez protahovac\u00edch trn\u016f bychom nevyrobili spoustu v\u011bc\u00edPro\u010d je protahovac\u00ed trn tak drah\u00fd \u2013 je to speci\u00e1ln\u00ed n\u00e1stroj, kter\u00fd neobr\u00e1b\u00ed materi\u00e1l pouze jedn\u00edm b\u0159item, ale obsahuje \u0159adu mnoha \u0159ezn\u00fdch \u010d\u00e1st\u00ed za sebou, nap\u0159\u00edklad v podob\u011b zub\u016f. Ka\u017ed\u00fd zub odeb\u00edr\u00e1 z obrobku t\u0159\u00edsku a fin\u00e1ln\u00ed (kalibrovac\u00ed) zuby ji\u017e doc\u00edl\u00ed po\u017eadovan\u00e9ho tvaru a rozm\u011bru. Protahov\u00e1ky se vyr\u00e1b\u00ed ze speci\u00e1ln\u00ed n\u00e1strojov\u00e9 oceli, p\u0159\u00edpadn\u011b ze slinut\u00fdch karbid\u016f, mohou b\u00fdt i velmi dlouh\u00e9, v z\u00e1vislosti na n\u00e1ro\u010dnosti obr\u00e1b\u011bc\u00edho procesu. N\u011bkter\u00e9 z nich mohou m\u011b\u0159it na d\u00e9lku i dva metry. Pro velmi n\u00e1ro\u010dn\u00e9 pracovn\u00ed \u010dinnosti se zhotovuj\u00ed i v sad\u00e1ch dvou nebo t\u0159\u00ed trn\u016f. A pr\u00e1v\u011b to se prom\u00edt\u00e1 na celkov\u00e9 cen\u011b t\u011bchto n\u00e1stroj\u016f, proto se uplat\u0148uj\u00ed hlavn\u011b v s\u00e9riov\u00e9 v\u00fdrob\u011b.S\u00e9riov\u00e1 v\u00fdroba \u2013 ceny protahovac\u00edch trn\u016f jsou velmi vysok\u00e9, a to je tedy d\u016fvod k tomu, vyu\u017e\u00edt je pro velk\u00e9 s\u00e9rie v\u00fdrobk\u016f, aby se jejich po\u0159izovac\u00ed cena nejen vyplatila, ale tak\u00e9 aby n\u00e1stroj p\u0159inesl k\u00fd\u017een\u00fd zisk. Do velk\u00fdch s\u00e9ri\u00ed, kde se protahov\u00e1ky uplatn\u00ed, po\u010d\u00edt\u00e1me kup\u0159\u00edkladu ozuben\u00e1 kola (jejich vnit\u0159n\u00ed dr\u00e1\u017eky pro uchycen\u00ed na h\u0159\u00eddeli), sou\u010d\u00e1sti stroj\u016f a p\u0159\u00edstroj\u016f, m\u011b\u0159ic\u00ed a regula\u010dn\u00ed techniky, v\u00fdrobk\u016f spot\u0159ebn\u00edho zbo\u017e\u00ed, jako jsou dom\u00e1c\u00ed spot\u0159ebi\u010de, n\u00e1\u0159ad\u00ed a kovov\u00e9 d\u00edly n\u00e1bytku. Protahovac\u00ed trny se uplatn\u00ed v s\u00e9riov\u00e9 v\u00fdrob\u011b automobil\u016f, letadel a dal\u0161\u00edch dopravn\u00edch prost\u0159edk\u016f, tedy v podstat\u011b v\u0161ude, kde v\u00fdroba stav\u00ed na velk\u00e9 produkci kus\u016f, a kde se tyto sou\u010d\u00e1stky mohou vyu\u017e\u00edt i univerz\u00e1ln\u011bj\u0161\u00edm zp\u016fsobem.                                                                                                                                                                                                                                                                                                                                                                                          4.4\/5 - (8 votes)        "},{"@context":"https:\/\/schema.org\/","@type":"BreadcrumbList","itemListElement":[{"@type":"ListItem","position":1,"name":"Protahovac\u00ed trn je velmi zvl\u00e1\u0161tn\u00ed n\u00e1stroj","item":"https:\/\/www.stavcom.cz\/protahovaci-trn-je-velmi-zvlastni-nastroj\/#breadcrumbitem"}]}]