[{"@context":"https:\/\/schema.org\/","@type":"Article","@id":"https:\/\/www.usiscr.cz\/vrtaky-mohou-odvrtat-i-tvrdou-kalenou-ocel\/#Article","mainEntityOfPage":"https:\/\/www.usiscr.cz\/vrtaky-mohou-odvrtat-i-tvrdou-kalenou-ocel\/","headline":"Vrt\u00e1ky mohou odvrtat i tvrdou kalenou ocel","name":"Vrt\u00e1ky mohou odvrtat i tvrdou kalenou ocel","description":"Ka\u017ed\u00fd stroja\u0159 dob\u0159e v\u00ed, \u017ee kalen\u00e1 ocel je velice tvrd\u00fd materi\u00e1l, a jej\u00ed obr\u00e1b\u011bn\u00ed pak vy\u017eaduje nasazen\u00ed speci\u00e1ln\u00edch n\u00e1stroj\u016f. T\u00fdk\u00e1 se to samoz\u0159ejm\u011b i vrt\u00e1k\u016f do tvrd\u00e9ho kovu. Kdo se ve stroj\u00edrenstv\u00ed nikdy nepohyboval a ob\u010das zajde do hobby marketu, kde se d\u00e1 koupit i mnoh\u00e9 n\u00e1\u0159ad\u00ed a obr\u00e1b\u011bc\u00ed n\u00e1stroje, m\u016f\u017ee si tam vybrat b\u011b\u017en\u00e9 […]","datePublished":"2025-03-17","dateModified":"2025-03-17","author":{"@type":"Person","@id":"https:\/\/www.usiscr.cz\/author\/#Person","name":"","url":"https:\/\/www.usiscr.cz\/author\/","identifier":1,"image":{"@type":"ImageObject","@id":"https:\/\/secure.gravatar.com\/avatar\/64d58fab86512053c8bb518a6563e7284bb4a3422dc9af0106c3f39575364c7b?s=96&d=mm&r=g","url":"https:\/\/secure.gravatar.com\/avatar\/64d58fab86512053c8bb518a6563e7284bb4a3422dc9af0106c3f39575364c7b?s=96&d=mm&r=g","height":96,"width":96}},"publisher":{"@type":"Organization","name":"usiscr.cz","logo":{"@type":"ImageObject","@id":"\/logo.png","url":"\/logo.png","width":600,"height":60}},"image":{"@type":"ImageObject","@id":"https:\/\/www.usiscr.cz\/wp-content\/uploads\/tools-3324116_640_1.png","url":"https:\/\/www.usiscr.cz\/wp-content\/uploads\/tools-3324116_640_1.png","height":0,"width":0},"url":"https:\/\/www.usiscr.cz\/vrtaky-mohou-odvrtat-i-tvrdou-kalenou-ocel\/","about":["Zbo\u017e\u00ed"],"wordCount":419,"articleBody":"   Ka\u017ed\u00fd stroja\u0159 dob\u0159e v\u00ed, \u017ee kalen\u00e1 ocel je velice tvrd\u00fd materi\u00e1l, a jej\u00ed obr\u00e1b\u011bn\u00ed pak vy\u017eaduje nasazen\u00ed speci\u00e1ln\u00edch n\u00e1stroj\u016f. T\u00fdk\u00e1 se to samoz\u0159ejm\u011b i vrt\u00e1k\u016f do tvrd\u00e9ho kovu. Kdo se ve stroj\u00edrenstv\u00ed nikdy nepohyboval a ob\u010das zajde do hobby marketu, kde se d\u00e1 koupit i mnoh\u00e9 n\u00e1\u0159ad\u00ed a obr\u00e1b\u011bc\u00ed n\u00e1stroje, m\u016f\u017ee si tam vybrat b\u011b\u017en\u00e9 vrt\u00e1ky odstup\u0148ovan\u00e9 dle r\u016fzn\u00fdch pr\u016fm\u011br\u016f, a tak by mohl nab\u00fdt dojmu, \u017ee sta\u010d\u00ed po\u0159\u00eddit vrt\u00e1k a m\u016f\u017ee se pustit do kutilsk\u00e9 \u010dinnosti. Nap\u0159\u00edklad zhotovuje d\u0159ev\u011bn\u00fd plot s kovov\u00fdmi trubkov\u00fdmi sloupky, do kter\u00fdch pot\u0159ebuje odvrtat d\u00edry pro \u0161rouby. Tento z\u00e1m\u011br se mu zda\u0159\u00ed a tak si pozd\u011bji troufne na dal\u0161\u00ed tv\u016fr\u010d\u00ed \u010dinnost.Jako majitel automobilov\u00e9ho veter\u00e1nu bude pot\u0159ebovat vyvrtat otvor do jednoho z automobilov\u00fdch d\u00edl\u016f a tam se setk\u00e1 s probl\u00e9mem \u2013 b\u011b\u017en\u00fd vrt\u00e1k se p\u0159i vrt\u00e1n\u00ed siln\u011b zah\u0159eje a provrtat otvor se nepoda\u0159\u00ed. A pr\u00e1v\u011b toto je p\u0159\u00edpad, kdy narazil na materi\u00e1l mnohem tvrd\u0161\u00ed, ne\u017e je b\u011b\u017en\u00e1 konstruk\u010dn\u00ed ocel, jako jsou plotov\u00e9 trubky. Tentokr\u00e1t \u0161lo o ocel kalenou, velice tvrdou a tak se doty\u010dn\u00fd kutil za\u010dne v\u00edce do hloubky zaj\u00edmat o n\u00e1stroje, kter\u00e9 by si poradily v t\u00e9to situaci.Tehdy p\u0159ich\u00e1z\u00ed \u010das na vrt\u00e1ky do tvrd\u00e9ho kovu s nap\u00e1jen\u00fdmi desti\u010dkami ze slinut\u00fdch karbid\u016f v pr\u00e1\u0161kov\u00e9 metalurgii. Slinut\u00e9 karbidy jsou tvrd\u0161\u00ed ne\u017e kalen\u00e1 ocel tvrdosti dle Rockwella 40 HRC, s nimi se snadno odvrt\u00e1 i takov\u00fdto materi\u00e1l. Stroja\u0159i pou\u017e\u00edvaj\u00ed vrt\u00e1ky se slinut\u00fdmi karbidy naprosto b\u011b\u017en\u011b, ve stroj\u00edrensk\u00e9 praxi se s nimi potk\u00e1v\u00e1me v\u0161ude tam, kde je zapot\u0159eb\u00ed vrtat do kalen\u00e9 oceli, a to jak ve v\u00fdrob\u011b, tak i v \u00fadr\u017eb\u011b. Krom\u011b vrt\u00e1k\u016f do tvrd\u00e9ho kovu maj\u00ed stroja\u0159i k dispozici i speci\u00e1ln\u00ed vrt\u00e1ky ozna\u010den\u00e9 jako HSS G, s nimi\u017e se vrtaj\u00ed materi\u00e1ly s odli\u0161n\u00fdmi vlastnostmi v porovn\u00e1n\u00ed s ocel\u00ed, jako je mosaz, bronz, \u0161ed\u00e1 litina, ocelolitina nebo grafit. Stroj\u00edrenstv\u00ed je zkr\u00e1tka v\u011bda, je to velmi obs\u00e1hl\u00fd obor, kter\u00fd se dot\u00fdk\u00e1 i obr\u00e1b\u011bn\u00ed vrtac\u00edmi a vyvrt\u00e1vac\u00edmi n\u00e1stroji.                                                                                                                                                                                                                                                                                                                                                                                           4\/5 - (5 votes)        "},{"@context":"https:\/\/schema.org\/","@type":"BreadcrumbList","itemListElement":[{"@type":"ListItem","position":1,"name":"Vrt\u00e1ky mohou odvrtat i tvrdou kalenou ocel","item":"https:\/\/www.usiscr.cz\/vrtaky-mohou-odvrtat-i-tvrdou-kalenou-ocel\/#breadcrumbitem"}]}]