[{"@context":"https:\/\/schema.org\/","@type":"Article","@id":"https:\/\/www.njorek.cz\/aby-to-tlumilo-a-pruzilo\/#Article","mainEntityOfPage":"https:\/\/www.njorek.cz\/aby-to-tlumilo-a-pruzilo\/","headline":"Aby to tlumilo a pru\u017eilo","name":"Aby to tlumilo a pru\u017eilo","description":"Pokud jste n\u011bkdy rozebrali oby\u010dejnou propisku, vypadla na v\u00e1s pru\u017einka. Mal\u00e1, spir\u00e1lovit\u011b zato\u010den\u00e1 sou\u010d\u00e1stka, kter\u00e1 ve vypsan\u00e9 propisce \u010dasto skon\u010d\u00ed jako hra\u010dka v rukou d\u011bt\u00ed, kte\u0159\u00ed se budou sna\u017eit ji nat\u00e1hnout nebo n\u011bjak jinak zni\u010dit. Napadlo v\u00e1s ale n\u011bkdy, z \u010deho je tato drobnost vyroben\u00e1? Spir\u00e1lov\u00e9 pru\u017einy mohou b\u00fdt ta\u017en\u00e9 http:\/\/www.auto-suchy.cz\/ nebo tla\u010dn\u00e9, co\u017e je […]","datePublished":"2025-01-19","dateModified":"2025-01-19","author":{"@type":"Person","@id":"https:\/\/www.njorek.cz\/author\/#Person","name":"","url":"https:\/\/www.njorek.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":"njorek.cz","logo":{"@type":"ImageObject","@id":"\/logo.png","url":"\/logo.png","width":600,"height":60}},"image":{"@type":"ImageObject","@id":"https:\/\/www.njorek.cz\/wp-content\/uploads\/feather-2635262_640_2.jpg","url":"https:\/\/www.njorek.cz\/wp-content\/uploads\/feather-2635262_640_2.jpg","height":0,"width":0},"url":"https:\/\/www.njorek.cz\/aby-to-tlumilo-a-pruzilo\/","about":["N\u00e1kupy"],"wordCount":403,"articleBody":"      Pokud jste n\u011bkdy rozebrali oby\u010dejnou propisku, vypadla na v\u00e1s pru\u017einka. Mal\u00e1, spir\u00e1lovit\u011b zato\u010den\u00e1 sou\u010d\u00e1stka, kter\u00e1 ve vypsan\u00e9 propisce \u010dasto skon\u010d\u00ed jako hra\u010dka v rukou d\u011bt\u00ed, kte\u0159\u00ed se budou sna\u017eit ji nat\u00e1hnout nebo n\u011bjak jinak zni\u010dit. Napadlo v\u00e1s ale n\u011bkdy, z \u010deho je tato drobnost vyroben\u00e1? Spir\u00e1lov\u00e9 pru\u017einy mohou b\u00fdt ta\u017en\u00e9  http:\/\/www.auto-suchy.cz\/ nebo tla\u010dn\u00e9, co\u017e je ur\u010deno jejich v\u00fdchoz\u00ed polohou, jestli se d\u00e1 nezat\u00ed\u017een\u00e1 pru\u017eina stla\u010dit nebo nat\u00e1hnout. Pru\u017einy se vyr\u00e1b\u00ed z pru\u017einov\u00e9 oceli, to d\u00e1v\u00e1 smysl, jen\u017ee pru\u017einy, to nejsou jen ty spir\u00e1lovit\u00e9, kter\u00e9 zn\u00e1me z propisky to mohou b\u00fdt tak\u00e9 listov\u00e9 pru\u017einy, kter\u00e9 najdeme u automobil\u016f nebo vlak\u016f, kter\u00e9 maj\u00ed za \u00fakol tlumit n\u00e1razy, ale hlavn\u011b, tyto pru\u017einy mus\u00ed odol\u00e1vat tak\u00e9 velmi rozd\u00edln\u00fdm teplot\u00e1m, proto\u017ee jak auta tak vlaky se mohou pohybovat v prost\u0159ed\u00ed, kde bude v zim\u011b m\u00ednus 20\u00b0C a v l\u00e9t\u011b p\u0159es 30\u00b0C a to mus\u00ed pru\u017einov\u00e1 ocel zvl\u00e1dnout. A v\u00edte, \u017ee ani ty spir\u00e1lovit\u011b sto\u010den\u00e9 pru\u017einky nemus\u00ed m\u00edt kruhov\u00fd pr\u016f\u0159ez? Jsou pru\u017einy, kter\u00e9 jsou se \u010dtvercov\u00fdm nebo obd\u00e9ln\u00edkov\u00fdm pr\u016f\u0159ezem, laicky \u0159e\u010deno nejsou sto\u010den\u00e9 z kulatiny ale z ploch\u00e9 ty\u010de a t\u00edm se pru\u017ein\u011b dod\u00e1 mnohem v\u011bt\u0161\u00ed pevnostn\u00ed odolnost.Pru\u017einov\u00e1 ocel ploch\u00e1 je velmi specifick\u00fd materi\u00e1l, proto\u017ee vlastnosti oceli mus\u00ed dovolit jej\u00ed vytvarov\u00e1n\u00ed do tvaru pru\u017einy, tak\u017ee ocel mus\u00ed b\u00fdt tv\u00e1rn\u00e1, ale z\u00e1rove\u0148 mus\u00ed b\u00fdt ocel pevn\u00e1, aby sto\u010den\u00e1 pru\u017eina mohla plnit svou funkci, pro kterou je navr\u017een\u00e1. Ur\u010dit\u011b si nikdo nep\u0159eje, aby se pru\u017eina n\u011bkolikr\u00e1t stla\u010dila a praskla. M\u00e1te propisku, kter\u00e9 u\u017e je vypsan\u00e1 a tak ji m\u016f\u017eete rozebrat? Zkuste si pohr\u00e1t s pru\u017einkou a budete p\u0159ekvapeni, jakou s\u00edlu budete muset vyvinout, abyste ji ze sto\u010den\u00e9ho stavu nat\u00e1hli. To je jen proto, \u017ee je vyroben\u00e1 z pru\u017einov\u00e9 oceli, kter\u00e1 m\u00e1 vysokou pevnost i pru\u017enost. A co teprve pru\u017eina, kterou m\u00e1te v tlumi\u010d\u00edch v aut\u011b. Mus\u00ed vydr\u017eet vysok\u00e9 zat\u00ed\u017een\u00ed i teplotn\u00ed v\u00fdkyvy.                                                                                                                                                                                                                                                                                                                                                                                          4.7\/5 - (8 votes)        "},{"@context":"https:\/\/schema.org\/","@type":"BreadcrumbList","itemListElement":[{"@type":"ListItem","position":1,"name":"Aby to tlumilo a pru\u017eilo","item":"https:\/\/www.njorek.cz\/aby-to-tlumilo-a-pruzilo\/#breadcrumbitem"}]}]