[{"@context":"https:\/\/schema.org\/","@type":"Article","@id":"https:\/\/www.djuna.cz\/bez-ozubenych-kol-bychom-se-propadli-zrejme-az-do-praveku\/#Article","mainEntityOfPage":"https:\/\/www.djuna.cz\/bez-ozubenych-kol-bychom-se-propadli-zrejme-az-do-praveku\/","headline":"Bez ozuben\u00fdch kol bychom se propadli z\u0159ejm\u011b a\u017e do prav\u011bku","name":"Bez ozuben\u00fdch kol bychom se propadli z\u0159ejm\u011b a\u017e do prav\u011bku","description":"Sou\u010dasn\u00fd lidsk\u00fd \u017eivot je pln\u00fd technick\u00fdch vymo\u017eenost\u00ed a kdybychom se v\u00e1s zeptali, co vy osobn\u011b pova\u017eujete za nejv\u011bt\u0161\u00ed vyn\u00e1lez v\u0161ech dob, pak budete mo\u017en\u00e1 do pop\u0159ed\u00ed vyzdvihovat auta a letadla, kosmick\u00e9 lod\u011b a t\u0159eba i vlaky a n\u00e1mo\u0159n\u00ed dopravu. N\u011bkte\u0159\u00ed z v\u00e1s by mohli vyjmenovat v\u00fdpo\u010detn\u00ed techniku a elektroniku, mobiln\u00ed s\u00edt\u011b a Internet a samoz\u0159ejm\u011b...<p class=\"more-link-wrap\"><a href=\"https:\/\/www.djuna.cz\/bez-ozubenych-kol-bychom-se-propadli-zrejme-az-do-praveku\/\" class=\"more-link\">P\u0159e\u010d\u00edst<span class=\"screen-reader-text\"> &ldquo;Bez ozuben\u00fdch kol bychom se propadli z\u0159ejm\u011b a\u017e do prav\u011bku&rdquo;<\/span> &raquo;<\/a><\/p>","datePublished":"2025-02-11","dateModified":"2025-02-11","author":{"@type":"Person","@id":"https:\/\/www.djuna.cz\/author\/#Person","name":"","url":"https:\/\/www.djuna.cz\/author\/","identifier":1,"image":{"@type":"ImageObject","@id":"https:\/\/secure.gravatar.com\/avatar\/1e120f96477763896a9e7ab3663c076bf8b67ca32fa1a5943b70761da502a7a7?s=96&d=mm&r=g","url":"https:\/\/secure.gravatar.com\/avatar\/1e120f96477763896a9e7ab3663c076bf8b67ca32fa1a5943b70761da502a7a7?s=96&d=mm&r=g","height":96,"width":96}},"publisher":{"@type":"Organization","name":"djuna.cz","logo":{"@type":"ImageObject","@id":"\/logo.png","url":"\/logo.png","width":600,"height":60}},"image":{"@type":"ImageObject","@id":"https:\/\/www.djuna.cz\/wp-content\/uploads\/gear-3164897_640.jpg","url":"https:\/\/www.djuna.cz\/wp-content\/uploads\/gear-3164897_640.jpg","height":0,"width":0},"url":"https:\/\/www.djuna.cz\/bez-ozubenych-kol-bychom-se-propadli-zrejme-az-do-praveku\/","about":["Produkty"],"wordCount":397,"articleBody":"   Sou\u010dasn\u00fd lidsk\u00fd \u017eivot je pln\u00fd technick\u00fdch vymo\u017eenost\u00ed a kdybychom se v\u00e1s zeptali, co vy osobn\u011b pova\u017eujete za nejv\u011bt\u0161\u00ed vyn\u00e1lez v\u0161ech dob, pak budete mo\u017en\u00e1 do pop\u0159ed\u00ed vyzdvihovat auta a letadla, kosmick\u00e9 lod\u011b a t\u0159eba i vlaky a n\u00e1mo\u0159n\u00ed dopravu. N\u011bkte\u0159\u00ed z v\u00e1s by mohli vyjmenovat v\u00fdpo\u010detn\u00ed techniku a elektroniku, mobiln\u00ed s\u00edt\u011b a Internet a samoz\u0159ejm\u011b tak\u00e9 dom\u00e1c\u00ed spot\u0159ebi\u010de, jako jsou automatick\u00e9 pra\u010dky, chladni\u010dky, varn\u00e9 desky, elektrick\u00e9 bojlery atd. To v\u0161e je samoz\u0159ejm\u011b \u00fa\u010deln\u00e9 a v mnoha p\u0159\u00edpadech i nepostradateln\u00e9, ale my bychom se r\u00e1di pozastavili nad n\u011bkter\u00fdmi d\u00edl\u010d\u00edmi sou\u010d\u00e1stmi t\u00e9to techniky, kam pat\u0159\u00ed i ozuben\u00e1 kola. Kdybychom je neznali a neum\u011bli vyrobit, \u017eivot by se odv\u00edjel jin\u00fdm sm\u011brem a z\u0159ejm\u011b bychom nedos\u00e1hli technick\u00e9ho pokroku ani na \u00farove\u0148 st\u0159edov\u011bku a mo\u017en\u00e1 ani starov\u011bku, nebo\u0165 ji\u017e v t\u00e9 dob\u011b lidstvo ozuben\u00e1 kola znalo. Vzpome\u0148me kup\u0159\u00edkladu pohon v\u011btrn\u00fdch ml\u00fdn\u016f a p\u0159evodovky pro mlet\u00ed obil\u00ed, anebo v\u011b\u017en\u00ed hodiny v\u010detn\u011b zn\u00e1m\u00e9ho pra\u017esk\u00e9ho Orloje. Bez ozuben\u00fdch kol bychom dnes chodili pouze p\u011b\u0161ky nebo jezdili na kon\u00edch \u010di na hov\u011bz\u00edm dobytku, neexistovala by auta, letadla, autobusy, vlaky ani j\u00edzdn\u00ed kola a za sv\u00e9 by vzala i b\u011b\u017en\u00e1 stroj\u00edrensk\u00e1 v\u00fdroba, kter\u00e1 produkuje \u010d\u00e1sti stroj\u016f, dom\u00e1c\u00edch spot\u0159ebi\u010d\u016f, n\u00e1\u0159ad\u00ed, n\u00e1bytku a mnoho dal\u0161\u00edho spot\u0159ebn\u00edho zbo\u017e\u00ed. A jak se ozuben\u00e1 kola vlastn\u011b vyr\u00e1b\u00ed? K v\u00fdrob\u011b ozuben\u00fdch kol jsou zapot\u0159eb\u00ed nap\u0159\u00edklad modulov\u00e9 fr\u00e9zy. Pracuj\u00ed tak, \u017ee postupn\u011b fr\u00e9zuj\u00ed dr\u00e1\u017eku mezi zuby, jejich \u0159ezn\u00e1 \u010d\u00e1st m\u00e1 tedy tvar mezizubov\u00e9 mezery. Po vyfr\u00e9zov\u00e1n\u00ed jedn\u00e9 mezery se obrobek (ozuben\u00e9 kolo) pooto\u010d\u00ed a fr\u00e9zuje se dal\u0161\u00ed mezera. Modulov\u00e1 fr\u00e9za je schopna fr\u00e9zovat pouze ozuben\u00e1 kola s ur\u010dit\u00fdm po\u010dtem zub\u016f, proto se nap\u0159\u00edklad pro v\u00fdrobu kol s odli\u0161n\u00fdm po\u010dtem zub\u016f vyu\u017e\u00edv\u00e1 v\u00edce fr\u00e9z, kter\u00e9 jsou z\u00e1kazn\u00edkovi dod\u00e1v\u00e1ny v takzvan\u00fdch modulech. Modulov\u00e1 sada fr\u00e9z pak m\u016f\u017ee b\u00fdt schopna vyr\u00e1b\u011bt pom\u011brn\u011b \u0161irokou \u0161k\u00e1lu ozuben\u00fdch kol.                                                                                                                                                                                                                                                                                                                                                                                                   "},{"@context":"https:\/\/schema.org\/","@type":"BreadcrumbList","itemListElement":[{"@type":"ListItem","position":1,"name":"Bez ozuben\u00fdch kol bychom se propadli z\u0159ejm\u011b a\u017e do prav\u011bku","item":"https:\/\/www.djuna.cz\/bez-ozubenych-kol-bychom-se-propadli-zrejme-az-do-praveku\/#breadcrumbitem"}]}]