[{"@context":"https:\/\/schema.org\/","@type":"Article","@id":"https:\/\/www.zuuxo.cz\/jak-dobre-znate-protahovaci-trny\/#Article","mainEntityOfPage":"https:\/\/www.zuuxo.cz\/jak-dobre-znate-protahovaci-trny\/","headline":"Jak dob\u0159e zn\u00e1te protahovac\u00ed trny","name":"Jak dob\u0159e zn\u00e1te protahovac\u00ed trny","description":"Stroja\u0159ina je n\u011bkdy natolik zapeklit\u00fd obor, \u017ee lid\u00e9, co jej studuj\u00ed, studium p\u0159eru\u0161\u00ed nebo rad\u011bji vzdaj\u00ed a jdou se v\u011bnovat n\u011b\u010demu snaz\u0161\u00edmu. Ne nadarmo jsou stroj\u00edrenstv\u00ed a elektrotechnika pova\u017eov\u00e1ny za nejobt\u00ed\u017en\u011bj\u0161\u00ed technick\u00e1 odv\u011btv\u00ed, a ani absolvent vysok\u00e9 \u0161koly nem\u016f\u017ee tvrdit, \u017ee \u201esn\u011bdl ve\u0161kerou moudrost\u201c. K t\u011bm n\u00e1ro\u010dn\u011bj\u0161\u00edm stroj\u00edrensk\u00fdm z\u00e1le\u017eitostem pat\u0159\u00ed i v\u00fdroba slo\u017eit\u011b tvarovan\u00fdch otvor\u016f […]","datePublished":"2023-04-01","dateModified":"2023-06-01","author":{"@type":"Person","@id":"https:\/\/www.zuuxo.cz\/author\/#Person","name":"","url":"https:\/\/www.zuuxo.cz\/author\/","identifier":1,"image":{"@type":"ImageObject","@id":"https:\/\/secure.gravatar.com\/avatar\/40b5f3ce562f556955b189273c919e65fd2efecc17411a60d9172af88d0e5d58?s=96&d=mm&r=g","url":"https:\/\/secure.gravatar.com\/avatar\/40b5f3ce562f556955b189273c919e65fd2efecc17411a60d9172af88d0e5d58?s=96&d=mm&r=g","height":96,"width":96}},"publisher":{"@type":"Organization","name":"zuuxo.cz","logo":{"@type":"ImageObject","@id":"\/logo.png","url":"\/logo.png","width":600,"height":60}},"image":{"@type":"ImageObject","@id":"https:\/\/www.zuuxo.cz\/wp-content\/uploads\/key-g8afcadd40_640.jpg","url":"https:\/\/www.zuuxo.cz\/wp-content\/uploads\/key-g8afcadd40_640.jpg","height":0,"width":0},"url":"https:\/\/www.zuuxo.cz\/jak-dobre-znate-protahovaci-trny\/","about":["Zbo\u017e\u00ed"],"wordCount":393,"articleBody":"   Stroja\u0159ina je n\u011bkdy natolik zapeklit\u00fd obor, \u017ee lid\u00e9, co jej studuj\u00ed, studium p\u0159eru\u0161\u00ed nebo rad\u011bji vzdaj\u00ed a jdou se v\u011bnovat n\u011b\u010demu snaz\u0161\u00edmu. Ne nadarmo jsou stroj\u00edrenstv\u00ed a elektrotechnika pova\u017eov\u00e1ny za nejobt\u00ed\u017en\u011bj\u0161\u00ed technick\u00e1 odv\u011btv\u00ed, a ani absolvent vysok\u00e9 \u0161koly nem\u016f\u017ee tvrdit, \u017ee \u201esn\u011bdl ve\u0161kerou moudrost\u201c.K t\u011bm n\u00e1ro\u010dn\u011bj\u0161\u00edm stroj\u00edrensk\u00fdm z\u00e1le\u017eitostem pat\u0159\u00ed i v\u00fdroba slo\u017eit\u011b tvarovan\u00fdch otvor\u016f v kovov\u00fdch obrobc\u00edch. Zhotovit tvarovan\u00fd a velmi p\u0159esn\u00fd otvor nen\u00ed jen tak, mnohdy na to pot\u0159ebujete speci\u00e1ln\u00ed n\u00e1stroj, kter\u00fd se naz\u00fdv\u00e1 protahovac\u00ed trn. Samotn\u00fd n\u00e1zev by v\u00e1m ji\u017e mohl napov\u011bd\u011bt, \u017ee se bude n\u011bco n\u011bkudy protahovat, a m\u00e1te pravdu. N\u00e1stroj m\u00edv\u00e1 velmi specifick\u00fd r\u00e1z, jde o dlouhou ty\u010d, osazenou tvarov\u00fdmi zuby, kter\u00e9 postupn\u011b odeb\u00edraj\u00ed t\u0159\u00edsku z obrobku, a\u017e ten posledn\u00ed \u201ezub\u201c vytvo\u0159\u00ed kone\u010dn\u00fd tvar a rozm\u011br. Zuby jsou posazeny za sebou v ur\u010dit\u00e9 vzd\u00e1lenosti a jsou zhotoveny tak, aby obr\u00e1b\u011bly materi\u00e1l velmi p\u0159esn\u011b a hlavn\u011b rychle, co\u017e se zaru\u010d\u00ed pouze jedn\u00edm prota\u017een\u00edm trnu p\u0159edvrtan\u00fdm otvorem. T\u00edmto zp\u016fsobem lze pak vyr\u00e1b\u011bt stovky, tis\u00edce, mo\u017en\u00e1 i miliony kus\u016f, jde tedy o velkos\u00e9riovou v\u00fdrobu stejn\u00fdch sou\u010d\u00e1st\u00ed.A kde se takov\u00fd protahovac\u00ed trn nejv\u00edce uplatn\u00ed? Pr\u00e1v\u011b ve zm\u00edn\u011bn\u00e9 s\u00e9riov\u00e9 v\u00fdrob\u011b, u\u017e jen proto, \u017ee \u201eprotahov\u00e1k\u201c je pom\u011brn\u011b drah\u00fd n\u00e1stroj, aby se produkc\u00ed v\u00edce kus\u016f obrobk\u016f tak\u00e9 zaplatil. Jako jeden z p\u0159\u00edklad\u016f tohoto \u0159e\u0161en\u00ed m\u016f\u017eeme uv\u00e9st vlo\u017eky do dve\u0159n\u00edch z\u00e1mk\u016f, kter\u00e9 m\u00e1 ka\u017ed\u00fd z v\u00e1s doma. Sta\u010d\u00ed si pozorn\u011b prohl\u00e9dnout takov\u00fd z\u00e1mek pod lupou, aby v\u00e1m bylo jasn\u00e9, \u017ee bez protahovac\u00edho trnu st\u011b\u017e\u00ed zhotov\u00edte tak slo\u017eit\u00e9 vnit\u0159n\u00ed tvary otvor\u016f, do kter\u00fdch s velkou p\u0159esnost\u00ed mus\u00ed den co den zapadnout v\u00e1\u0161 kl\u00ed\u010d.A pokud v\u00e1s protahovac\u00ed trn zaujal, m\u016f\u017eete si o jeho v\u00fdrob\u011b a vyu\u017eit\u00ed nastudovat n\u011bco z odborn\u00fdch materi\u00e1l\u016f, anebo za\u010d\u00edt studovat stroja\u0159inu na \u201evy\u0161\u0161\u00ed \u00farovni\u201c na st\u0159edn\u00ed \u010di vysok\u00e9 \u0161kole.                                                                                                                                                                                                                                                                                                                                                                                          4.6\/5 - (8 votes)        "},{"@context":"https:\/\/schema.org\/","@type":"BreadcrumbList","itemListElement":[{"@type":"ListItem","position":1,"name":"Jak dob\u0159e zn\u00e1te protahovac\u00ed trny","item":"https:\/\/www.zuuxo.cz\/jak-dobre-znate-protahovaci-trny\/#breadcrumbitem"}]}]