[{"@context":"https:\/\/schema.org\/","@type":"Article","@id":"https:\/\/www.njorek.cz\/cim-se-lisi-vrtani-do-hliniku-od-ocelovych-materialu\/#Article","mainEntityOfPage":"https:\/\/www.njorek.cz\/cim-se-lisi-vrtani-do-hliniku-od-ocelovych-materialu\/","headline":"\u010c\u00edm se li\u0161\u00ed vrt\u00e1n\u00ed do hlin\u00edku od ocelov\u00fdch materi\u00e1l\u016f","name":"\u010c\u00edm se li\u0161\u00ed vrt\u00e1n\u00ed do hlin\u00edku od ocelov\u00fdch materi\u00e1l\u016f","description":"Vrt\u00e1n\u00ed do kovov\u00fdch sou\u010d\u00e1st\u00ed je jednou z nej\u010dast\u011bji pou\u017e\u00edvan\u00fdch metod obr\u00e1b\u011bn\u00ed a prov\u00e1d\u00ed se jak ve stroj\u00edrensk\u00e9 velkov\u00fdrob\u011b, tak i v \u00fadr\u017eb\u00e1\u0159sk\u00fdch \u010di z\u00e1me\u010dnick\u00fdch d\u00edln\u00e1ch. Vrtat lze do mnoha druh\u016f kov\u016f, nej\u010dast\u011bji jsou to konstruk\u010dn\u00ed ocel, p\u0159\u00edpadn\u011b ocel nerezov\u00e1, a d\u00e1le pak slitiny m\u011bdi (mosazi a bronzy) a slitiny hlin\u00edku. A pr\u00e1v\u011b hlin\u00edk se v […]","datePublished":"2022-11-27","dateModified":"2023-05-19","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\/drill-4311713_640.jpg","url":"https:\/\/www.njorek.cz\/wp-content\/uploads\/drill-4311713_640.jpg","height":0,"width":0},"url":"https:\/\/www.njorek.cz\/cim-se-lisi-vrtani-do-hliniku-od-ocelovych-materialu\/","wordCount":471,"articleBody":"   Vrt\u00e1n\u00ed do kovov\u00fdch sou\u010d\u00e1st\u00ed je jednou z nej\u010dast\u011bji pou\u017e\u00edvan\u00fdch metod obr\u00e1b\u011bn\u00ed a prov\u00e1d\u00ed se jak ve stroj\u00edrensk\u00e9 velkov\u00fdrob\u011b, tak i v \u00fadr\u017eb\u00e1\u0159sk\u00fdch \u010di z\u00e1me\u010dnick\u00fdch d\u00edln\u00e1ch. Vrtat lze do mnoha druh\u016f kov\u016f, nej\u010dast\u011bji jsou to konstruk\u010dn\u00ed ocel, p\u0159\u00edpadn\u011b ocel nerezov\u00e1, a d\u00e1le pak slitiny m\u011bdi (mosazi a bronzy) a slitiny hlin\u00edku. A pr\u00e1v\u011b hlin\u00edk se v sou\u010dasn\u00e9 dob\u011b st\u00e1v\u00e1 velmi obl\u00edben\u00fdm materi\u00e1lem zejm\u00e9na v automobilov\u00e9m pr\u016fmyslu a v letectv\u00ed, kde jsou kladeny st\u00e1le vy\u0161\u0161\u00ed po\u017eadavky na ekologii, resp. na v\u00fdkon, sou\u010dasn\u011b s ni\u017e\u0161\u00ed hmotnost\u00ed jednotliv\u00fdch d\u00edl\u016f.Vrt\u00e1ky na hlin\u00edk 221141 se zhotovuj\u00ed z n\u00e1strojov\u00e9 rychlo\u0159ezn\u00e9 oceli, ozna\u010dovan\u00e9 jako HSS-R. Vzhledem k tomu, \u017ee slitiny hlin\u00edku b\u00fdvaj\u00ed m\u011bk\u010d\u00ed, ne\u017e konstruk\u010dn\u00ed ocel, vysta\u010d\u00edte s t\u011bmito vrt\u00e1ky pom\u011brn\u011b b\u011b\u017en\u011b, a nen\u00ed nutn\u00e9 nasazovat p\u0159i v\u00fdrob\u011b nebo \u00fadr\u017eb\u011b n\u00e1ro\u010dn\u011bj\u0161\u00ed n\u00e1strojov\u00fd materi\u00e1l, nap\u0159. spir\u00e1lov\u00e9 vybru\u0161ovan\u00e9 vrt\u00e1ky pro sloupov\u00e9 vrta\u010dky HSS-G anebo speci\u00e1ln\u00ed legovan\u00e9 n\u00e1strojov\u00e9 oceli s p\u0159\u00edm\u011bs\u00ed kobaltu, ozna\u010dovan\u00e9 jako HSS-Co.Hlin\u00edk je v\u0161ak materi\u00e1l velmi sv\u00e9r\u00e1zn\u00fd a p\u0159i obr\u00e1b\u011bn\u00ed vy\u017eaduje v\u00edce pozornosti, co se t\u00fd\u010de chladiva. Vrt\u00e1n\u00ed do oceli prob\u00edh\u00e1 obvykle bez probl\u00e9m\u016f, pokud pou\u017e\u00edv\u00e1me chladic\u00ed emulzi nebo olej, ov\u0161em s hlin\u00edkem je to odli\u0161n\u00e9. Tam se v praxi v mnoha z\u00e1me\u010dnick\u00fdch d\u00edln\u00e1ch nebo stroj\u00edrensk\u00fdch provozech osv\u011bd\u010dilo chlazen\u00ed lihem.Pokud byste pou\u017eili emulzi, m\u011bkkost hlin\u00edku by s n\u00ed mohla kolidovat a mohlo by doj\u00edt p\u0159i vrt\u00e1n\u00ed k velk\u00fdm nep\u0159esnostem obr\u00e1b\u011bn\u00e9ho otvoru. L\u00edh naopak zaru\u010d\u00ed, \u017ee bude otvor takov\u00fd, jak\u00fd by m\u011bl b\u00fdt, s hladkou st\u011bnou, bez deformit a bez v\u00fdstupk\u016f a prohlubn\u00ed. Chlazen\u00ed lihem pro vrt\u00e1n\u00ed slitin hlin\u00edku je efektivn\u00ed i u relativn\u011b tenk\u00fdch materi\u00e1l\u016f, nap\u0159. duralov\u00fdch plech\u016f o tlou\u0161\u0165ce pouh\u00e9 3 mm.Chlazen\u00ed lihem se \u00fadajn\u011b osv\u011bd\u010dilo i pro vrt\u00e1n\u00ed otvor\u016f do slitin m\u011bdi, tedy do mosazi nebo do mnoha typ\u016f bronz\u016f.N\u011bkte\u0159\u00ed zku\u0161en\u00ed \u0159emesln\u00edci pou\u017e\u00edvaj\u00ed pro chlazen\u00ed p\u0159i obr\u00e1b\u011bn\u00ed hlin\u00edkov\u00fdch slitin technick\u00fd \u0159epkov\u00fd olej, kter\u00fd v\u0161ak mus\u00ed b\u00fdt dostate\u010dn\u011b \u0159\u00eddk\u00fd, a vhodn\u00fd je z\u0159ejm\u011b i petrolej nebo nafta, ale toto jsou postupy, kter\u00e9 je t\u0159eba br\u00e1t p\u0159inejmen\u0161\u00edm s rezervou a p\u0159\u00edpadn\u011b je vyzkou\u0161et n\u011bkde nane\u010disto.                                                                                                                                                                                                                                                                                                                                                                                          4.2\/5 - (10 votes)        "},{"@context":"https:\/\/schema.org\/","@type":"BreadcrumbList","itemListElement":[{"@type":"ListItem","position":1,"name":"\u010c\u00edm se li\u0161\u00ed vrt\u00e1n\u00ed do hlin\u00edku od ocelov\u00fdch materi\u00e1l\u016f","item":"https:\/\/www.njorek.cz\/cim-se-lisi-vrtani-do-hliniku-od-ocelovych-materialu\/#breadcrumbitem"}]}]