[{"@context":"https:\/\/schema.org\/","@type":"Article","@id":"https:\/\/www.rotera.cz\/k-cemu-se-vyuzivaji-zavitniky-whitworth\/#Article","mainEntityOfPage":"https:\/\/www.rotera.cz\/k-cemu-se-vyuzivaji-zavitniky-whitworth\/","headline":"K \u010demu se vyu\u017e\u00edvaj\u00ed z\u00e1vitn\u00edky Whitworth","name":"K \u010demu se vyu\u017e\u00edvaj\u00ed z\u00e1vitn\u00edky Whitworth","description":"V\u011bt\u0161ina z v\u00e1s se b\u011b\u017en\u011b v dom\u00e1cnostech i na pracovi\u0161t\u00edch setk\u00e1v\u00e1 s v\u00fdrobky, kde se vyskytuje metrick\u00fd z\u00e1vit. Existuje v\u0161ak je\u0161t\u011b jeden, na prvn\u00ed pohled … ","datePublished":"2020-07-24","dateModified":"2023-04-28","author":{"@type":"Person","@id":"https:\/\/www.rotera.cz\/author\/#Person","name":"","url":"https:\/\/www.rotera.cz\/author\/","identifier":1,"image":{"@type":"ImageObject","@id":"https:\/\/secure.gravatar.com\/avatar\/bbaa4e9a58aac4329fe0ade0f3fb816f09f0dc43c21f6e884dccfbc124b16b29?s=96&d=mm&r=g","url":"https:\/\/secure.gravatar.com\/avatar\/bbaa4e9a58aac4329fe0ade0f3fb816f09f0dc43c21f6e884dccfbc124b16b29?s=96&d=mm&r=g","height":96,"width":96}},"publisher":{"@type":"Organization","name":"rotera.cz","logo":{"@type":"ImageObject","@id":"\/logo.png","url":"\/logo.png","width":600,"height":60}},"image":{"@type":"ImageObject","@id":"https:\/\/www.rotera.cz\/wp-content\/uploads\/j%C3%ADzdn%C3%AD%20kolo_2.jpg","url":"https:\/\/www.rotera.cz\/wp-content\/uploads\/j%C3%ADzdn%C3%AD%20kolo_2.jpg","height":0,"width":0},"url":"https:\/\/www.rotera.cz\/k-cemu-se-vyuzivaji-zavitniky-whitworth\/","about":["Produkty"],"wordCount":415,"articleBody":"   V\u011bt\u0161ina z v\u00e1s se b\u011b\u017en\u011b v dom\u00e1cnostech i na pracovi\u0161t\u00edch setk\u00e1v\u00e1 s v\u00fdrobky, kde se vyskytuje metrick\u00fd z\u00e1vit. Existuje v\u0161ak je\u0161t\u011b jeden, na prvn\u00ed pohled od toho metrick\u00e9ho t\u00e9m\u011b\u0159 k nerozezn\u00e1n\u00ed.Kde se m\u016f\u017eete setkat se z\u00e1vitem WhitworthJ\u00edzdn\u00ed kola \u2013 mo\u017en\u00e1 v\u00e1s p\u0159ekvap\u00ed, \u017ee docela oby\u010dejn\u00e9 ventilky u galusek i v\u011bt\u0161iny velodu\u0161\u00ed maj\u00ed vn\u011bj\u0161\u00ed z\u00e1vit se stoup\u00e1n\u00edm v \u00fahlu 55 stup\u0148\u016f, nikoli 60 stup\u0148\u016f, co\u017e je typick\u00e9 pr\u00e1v\u011b pro z\u00e1vit Whitworth. J\u00edzdn\u00ed kola se t\u00edmto fenom\u00e9nem vyzna\u010duj\u00ed i u n\u011bkter\u00fdch dal\u0161\u00edch sou\u010d\u00e1stek vzhledem k tomu, \u017ee se pro jejich v\u00fdrobu pou\u017e\u00edv\u00e1 mimo jin\u00e9 i anglick\u00fdch normativ\u016f.USA a dal\u0161\u00ed tzv. \u201eanglosask\u00e9 zem\u011b\u201c \u2013 zde se s n\u00edm na mnoha v\u00fdrobc\u00edch m\u016f\u017eete setkat pom\u011brn\u011b \u010dasto, asi tak, jako je tomu u n\u011bkter\u00fdch fyzik\u00e1ln\u00edch veli\u010din, jimi\u017e jsou nap\u0159. yard, palec, m\u00edle atd. Lid\u00e9 ve Spojen\u00fdch st\u00e1tech se neradi p\u0159izp\u016fsobuj\u00ed evropsk\u00fdm standard\u016fm a i v sou\u010dasn\u00e9 dob\u011b st\u00e1le neexistuje jednotn\u00fd stroj\u00edrensk\u00fd syst\u00e9m, kter\u00fd by lidem pr\u00e1ci usnadnil v r\u00e1mci cel\u00e9 planety.Asie \u2013 mnoho zem\u00ed v Asii p\u0159evzalo v\u00fdrobu ze z\u00e1mo\u0159\u00ed, a proto tu tak\u00e9 \u0159ada v\u00fdrobk\u016f vyu\u017e\u00edv\u00e1 z\u00e1vit Withworth. Je to st\u00e1le tedy platn\u00fd stroj\u00edrensk\u00fd prvek, i kdy\u017e je \u010detnost vyu\u017e\u00edv\u00e1n\u00ed z\u00e1vit\u016f metrick\u00fdch ve sv\u011bt\u011b mnohem vy\u0161\u0161\u00ed. Historick\u00e9 stroj\u00edrensk\u00e9 v\u00fdrobky \u2013 stroj\u00edrenstv\u00ed m\u00e1 v na\u0161\u00ed zemi mnohaletou tradici a \u0159ada lid\u00ed si st\u00e1le uv\u011bdomuje, \u017ee jsme kdysi byli v tomto sm\u011bru dokonce jednou z evropsk\u00fdch velmoc\u00ed. V dob\u011b pr\u016fmyslov\u00e9 revoluce a v prvn\u00ed polovin\u011b dvac\u00e1t\u00e9ho stolet\u00ed u n\u00e1s vzkv\u00e9taly tov\u00e1rny jako zbrojovky, sl\u00e9v\u00e1rny, ocel\u00e1rny, z\u00e1vody na v\u00fdrobu lokomotiv, tramvaj\u00ed, j\u00edzdn\u00edch kol, automobil\u016f, motocykl\u016f, ale i turb\u00edn, kompresor\u016f a mnoha dal\u0161\u00edch stroj\u016f a za\u0159\u00edzen\u00ed. V t\u00e9 dob\u011b se Whitworth\u016fv z\u00e1vit vyu\u017e\u00edval b\u011b\u017en\u011b a konkuroval tomu metrick\u00e9mu, kter\u00fd v Evrop\u011b v sou\u010dasn\u00e9 dob\u011b p\u0159eva\u017euje. A pr\u00e1v\u011b u star\u00fdch obr\u00e1b\u011bc\u00edch stroj\u016f, automobilov\u00fdch veter\u00e1n\u016f a podobn\u00fdch muzejn\u00edch kousk\u016f se mohou z\u00e1vitn\u00edky Whitworth dob\u0159e uplatnit.                                                                                                                                                                                                                                                                                                                                                                                          4\/5 - (10 votes)        "},{"@context":"https:\/\/schema.org\/","@type":"BreadcrumbList","itemListElement":[{"@type":"ListItem","position":1,"name":"K \u010demu se vyu\u017e\u00edvaj\u00ed z\u00e1vitn\u00edky Whitworth","item":"https:\/\/www.rotera.cz\/k-cemu-se-vyuzivaji-zavitniky-whitworth\/#breadcrumbitem"}]}]