[{"@context":"https:\/\/schema.org\/","@type":"Article","@id":"https:\/\/www.al-pa.cz\/jak-vyrobit-slozity-tvar-otvoru-v-kovovem-obrobku\/#Article","mainEntityOfPage":"https:\/\/www.al-pa.cz\/jak-vyrobit-slozity-tvar-otvoru-v-kovovem-obrobku\/","headline":"Jak vyrobit slo\u017eit\u00fd tvar otvoru v kovov\u00e9m obrobku","name":"Jak vyrobit slo\u017eit\u00fd tvar otvoru v kovov\u00e9m obrobku","description":"Kdyby v\u00e1m n\u011bkdo dal za \u00fakol navrhnout v\u00fdrobn\u00ed n\u00e1stroj pro zhotoven\u00ed kruhov\u00e9ho otvoru v ocelov\u00e9 desti\u010dce, z\u0159ejm\u011b by ka\u017ed\u00fd dok\u00e1zal odpov\u011bd\u011bt, \u017ee by vyu\u017eil vrt\u00e1k s v\u00e1lcovou nebo ku\u017eelovou stopkou. Vrt\u00e1ky toti\u017e pat\u0159\u00ed k nejroz\u0161\u00ed\u0159en\u011bj\u0161\u00edm stroj\u00edrensk\u00fdm n\u00e1stroj\u016fm a vybavit si je dok\u00e1\u017ee snad ka\u017ed\u00fd. Mnohem obt\u00ed\u017en\u011bj\u0161\u00ed \u00falohu byste v\u0161ak m\u011bli u ot\u00e1zky, jak zhotovit otvor&hellip; <div><a class=\"more-link\" href=\"https:\/\/www.al-pa.cz\/jak-vyrobit-slozity-tvar-otvoru-v-kovovem-obrobku\/\">Continue reading <span class=\"screen-reader-text\">Jak vyrobit slo\u017eit\u00fd tvar otvoru v kovov\u00e9m obrobku<\/span><\/a><\/div>","datePublished":"2024-05-27","dateModified":"2024-05-27","author":{"@type":"Person","@id":"https:\/\/www.al-pa.cz\/author\/#Person","name":"","url":"https:\/\/www.al-pa.cz\/author\/","identifier":1,"image":{"@type":"ImageObject","@id":"https:\/\/secure.gravatar.com\/avatar\/80bc9a30a8183589d38927f3b57d5a9aa763777ca2942415b346d54d020a9840?s=96&d=mm&r=g","url":"https:\/\/secure.gravatar.com\/avatar\/80bc9a30a8183589d38927f3b57d5a9aa763777ca2942415b346d54d020a9840?s=96&d=mm&r=g","height":96,"width":96}},"publisher":{"@type":"Organization","name":"al-pa.cz","logo":{"@type":"ImageObject","@id":"\/logo.png","url":"\/logo.png","width":600,"height":60}},"image":{"@type":"ImageObject","@id":"https:\/\/www.al-pa.cz\/wp-content\/uploads\/key-677851_640_1.jpg","url":"https:\/\/www.al-pa.cz\/wp-content\/uploads\/key-677851_640_1.jpg","height":0,"width":0},"url":"https:\/\/www.al-pa.cz\/jak-vyrobit-slozity-tvar-otvoru-v-kovovem-obrobku\/","about":["Business"],"wordCount":425,"articleBody":"   Kdyby v\u00e1m n\u011bkdo dal za \u00fakol navrhnout v\u00fdrobn\u00ed n\u00e1stroj pro zhotoven\u00ed kruhov\u00e9ho otvoru v ocelov\u00e9 desti\u010dce, z\u0159ejm\u011b by ka\u017ed\u00fd dok\u00e1zal odpov\u011bd\u011bt, \u017ee by vyu\u017eil vrt\u00e1k s v\u00e1lcovou nebo ku\u017eelovou stopkou. Vrt\u00e1ky toti\u017e pat\u0159\u00ed k nejroz\u0161\u00ed\u0159en\u011bj\u0161\u00edm stroj\u00edrensk\u00fdm n\u00e1stroj\u016fm a vybavit si je dok\u00e1\u017ee snad ka\u017ed\u00fd. Mnohem obt\u00ed\u017en\u011bj\u0161\u00ed \u00falohu byste v\u0161ak m\u011bli u ot\u00e1zky, jak zhotovit otvor do stejn\u00e9 desti\u010dky, jeho\u017e tvar nebude kruhov\u00fd, ale bude m\u00edt ostr\u00e9 \u00fahly, anebo p\u016fjde o osov\u011b nesoum\u011brn\u00fd otvor ve tvaru r\u016fzn\u00fdch k\u0159ivek. Kup\u0159\u00edkladu bude n\u011bkdo po\u017eadovat vyrobit otvor v podob\u011b dev\u00edtic\u00edp\u00e9 hv\u011bzdy, anebo prot\u00e1hl\u00e9 elipsy.Zde u\u017e s vrt\u00e1kem nikdo neusp\u011bje a lid\u00e9, kte\u0159\u00ed se nezab\u00fdvaj\u00ed stroj\u00edrenstv\u00edm tu mohou b\u00fdt v \u00fazk\u00fdch. Mo\u017en\u00e1 se dovt\u00edp\u00ed vyhled\u00e1vat vhodn\u00e1 \u0159e\u0161en\u00ed na Internetu, a\u017e se nakonec n\u011bkomu poda\u0159\u00ed objevit protahovac\u00ed trn.Jde o velmi sv\u00e9r\u00e1zn\u00fd stroj\u00edrensk\u00fd n\u00e1stroj, \u010demu\u017e u\u017e napov\u00edd\u00e1 jeho n\u00e1zev. Jedn\u00e1 se o dlouhou ty\u010d opat\u0159enou \u0159ezn\u00fdmi zuby, kter\u00e1 se zasune do p\u0159edvrtan\u00e9ho otvoru, a pomalu se otvorem protahuje tak, \u017ee ka\u017ed\u00fd ze zub\u016f za\u010dne postupn\u011b odeb\u00edr\u00e1 t\u0159\u00edsku do po\u017eadovan\u00e9ho tvaru, na\u010de\u017e posledn\u00ed zub ji\u017e zhotovuje fin\u00e1ln\u00ed podobu otvoru. Jedn\u00edm prota\u017een\u00edm trnu obrobkem tedy vznik\u00e1 tvar, jak\u00fd si p\u0159ejete.T\u00edmto zp\u016fsobem lze zhotovit i velmi rozmanit\u00e9 a \u010dlenit\u00e9 tvary, kter\u00e9 byste jin\u00fdm zp\u016fsobem nebyli schopni vyrobit. Pr\u00e1v\u011b proto je tak\u00e9 protahovac\u00ed trn velmi drah\u00fd, nen\u00ed snadn\u00e9 jej vyrobit s velkou p\u0159esnost\u00ed a zajistit jeho pevnost a stabilitu p\u0159i v\u00fdrob\u011b mnoha tis\u00edc kus\u016f obrobk\u016f. Protahovac\u00ed trny se toti\u017e vyplat\u00ed pouze p\u0159i s\u00e9riov\u00e9 v\u00fdrob\u011b, kter\u00e1 n\u00e1stroj zaplat\u00ed po\u010dtem vyroben\u00fdch kus\u016f.Mo\u017en\u00e1 v\u00e1s napad\u00e1, pro\u010d v\u016fbec vyr\u00e1b\u011bt slo\u017eit\u00e9 otvory, k \u010demu je to vlastn\u011b dobr\u00e9, a tak bychom mohli uv\u00e9st jeden z\u00e1sadn\u00ed p\u0159\u00edklad, kde se tyto n\u00e1stroje uplatn\u00ed velmi dob\u0159e. Protahovac\u00edmi trny se zhotovuj\u00ed nap\u0159\u00edklad dve\u0159n\u00ed z\u00e1mky pro patentn\u00ed kl\u00ed\u010de. Ano, je to tak, a\u017e budete zasouvat do kl\u00ed\u010d do z\u00e1mku ve va\u0161em byt\u011b, vzpome\u0148te si na stroja\u0159e, kte\u0159\u00ed tyto z\u00e1mky vyrobili pr\u00e1v\u011b t\u00edmto zp\u016fsobem.                                                                                                                                                                                                                                                                                                                                                                                          4.2\/5 - (12 votes)        "},{"@context":"https:\/\/schema.org\/","@type":"BreadcrumbList","itemListElement":[{"@type":"ListItem","position":1,"name":"Jak vyrobit slo\u017eit\u00fd tvar otvoru v kovov\u00e9m obrobku","item":"https:\/\/www.al-pa.cz\/jak-vyrobit-slozity-tvar-otvoru-v-kovovem-obrobku\/#breadcrumbitem"}]}]