{"id":79,"date":"2023-02-19T13:42:31","date_gmt":"2023-02-19T13:42:31","guid":{"rendered":"https:\/\/bestwin-tools.com\/what-are-the-materials-used-for-drilling-bits\/"},"modified":"2026-04-29T03:01:56","modified_gmt":"2026-04-29T03:01:56","slug":"what-are-the-materials-used-for-drilling-bits","status":"publish","type":"post","link":"https:\/\/bestwin-tools.com\/sk\/what-are-the-materials-used-for-drilling-bits\/","title":{"rendered":"Materi\u00e1ly pou\u017e\u00edvan\u00e9 na vrt\u00e1ky"},"content":{"rendered":"<\/p>\n

Materi\u00e1ly pou\u017e\u00edvan\u00e9 na vrt\u00e1ky<\/span><\/strong><\/p>\n

V\u0155tac\u00ed proces je v podstate proces rezania a predpokladom na dokon\u010denie procesu rezania je, \u017ee tvrdos\u0165 materi\u00e1lu n\u00e1stroja mus\u00ed by\u0165 vy\u0161\u0161ia ako tvrdos\u0165 spracov\u00e1van\u00e9ho materi\u00e1lu.<\/span><\/p>\n

Materi\u00e1ly z v\u0155tacie korunky<\/a> V\u0161eobecne sa delia na vrt\u00e1ky HSS, HSS s kobaltom, pr\u00e1\u0161kov\u00e9 HSS a vrt\u00e1ky z r\u00fdchloreznej ocele. Tvrdos\u0165 vy\u0161\u0161ie uveden\u00fdch materi\u00e1lov vrt\u00e1kov sa postupne zvy\u0161uje a za norm\u00e1lnych okolnost\u00ed vrt\u00e1k nedok\u00e1\u017ee obrobok prev\u0155ta\u0165 alebo sa opotrebuje. Tvrdos\u0165 vrt\u00e1ka a tvrdos\u0165 obrobku sa daj\u00fa previes\u0165 na Vickersovu tvrdos\u0165 HV. Ak je tvrdos\u0165 vrt\u00e1ka viac ako 3-kr\u00e1t vy\u0161\u0161ia ako tvrdos\u0165 obrobku, \u010d\u00edm vy\u0161\u0161ia je povrchov\u00e1 tvrdos\u0165 vrt\u00e1ka, t\u00fdm lep\u0161ie a dlh\u0161ia je \u017eivotnos\u0165 vrt\u00e1ka.<\/span><\/p>\n

\u00a0<\/span><\/p>\n

\u00davod do charakterist\u00edk a pou\u017eit\u00ed r\u00f4znych typov vrt\u00e1kov<\/span><\/strong><\/p>\n

V\u0155ta\u010dka<\/span><\/strong><\/p>\n

Vrt\u00e1k je najroz\u0161\u00edrenej\u0161\u00ed n\u00e1stroj na obr\u00e1banie otvorov. Obvykl\u00fd rozsah priemerov je od 0,25 do 80 mm. Sklad\u00e1 sa hlavne z pracovnej \u010dasti vrt\u00e1ka a stopky. Pracovn\u00e1 \u010das\u0165 m\u00e1 dva \u0161pir\u00e1lov\u00e9 \u017eliabky, ktor\u00e9 pripom\u00ednaj\u00fa skr\u00fatenie, odtia\u013e n\u00e1zov. Aby sa zn\u00ed\u017eilo trenie medzi vodiacou \u010das\u0165ou a stenou otvoru pri v\u0155tan\u00ed, vrt\u00e1k sa postupne zmen\u0161uje v smere k stopke od hrotu vrt\u00e1ka do tvaru obr\u00e1ten\u00e9ho ku\u017ee\u013ea. \u0160pir\u00e1lov\u00fd uhol vrt\u00e1ka ovplyv\u0148uje hlavne ve\u013ekos\u0165 rezn\u00fdch hr\u00e1n, pevnos\u0165 \u010depele a v\u00fdkon pri odstra\u0148ovan\u00ed triesok, ktor\u00fd je zvy\u010dajne 25\u00b0 a\u017e 32\u00b0.<\/span><\/p>\n

Na zlep\u0161enie rezn\u00fdch vlastnost\u00ed skrutkovcov\u00e9ho vrt\u00e1ka je mo\u017en\u00e9 rezn\u00fa \u010das\u0165 prebr\u00fasi\u0165 do r\u00f4znych tvarov pod\u013ea povahy obr\u00e1ban\u00e9ho materi\u00e1lu. Existuj\u00fa dva typy skrutkovcov\u00fdch vrt\u00e1kov: s priamou stopkou a so z\u00fa\u017eenou stopkou. Prv\u00fd sa up\u00edna do sk\u013eu\u010dovadla v\u0155ta\u010dky, zatia\u013e \u010do druh\u00fd sa vklad\u00e1 do ku\u017ee\u013eov\u00e9ho otvoru vretena obr\u00e1bacieho stroja alebo kon\u00edka. Be\u017en\u00e9 skrutkovcov\u00e9 vrt\u00e1ky s\u00fa vyroben\u00e9 z r\u00fdchloreznej ocele. Skrutkovcov\u00fd vrt\u00e1k so zv\u00e1ranou karbidovou do\u0161ti\u010dkou alebo korunkou je vhodn\u00fd na obr\u00e1banie liatiny, kalenej ocele a nekovov\u00fdch materi\u00e1lov at\u010f. Celokarbidov\u00fd mal\u00fd skrutkovcov\u00fd vrt\u00e1k sa pou\u017e\u00edva na obr\u00e1banie s\u00fa\u010diastok pr\u00edstrojov a dosiek s plo\u0161n\u00fdmi spojmi at\u010f.<\/span><\/p>\n

Ploch\u00fd vrt\u00e1k<\/span><\/strong><\/p>\n

Rezac\u00ed \u010das\u0165 ploch\u00e9ho vrt\u00e1ka m\u00e1 tvar lopatky, s jednoduchou kon\u0161trukciou, n\u00edzkymi v\u00fdrobn\u00fdmi n\u00e1kladmi a \u013eahk\u00fdm zaveden\u00edm reznej kvapaliny do otvoru, ale rezn\u00fd v\u00fdkon a odvod triesok s\u00fa slab\u00e9. Existuj\u00fa dva typy ploch\u00fdch vrt\u00e1kov: celistv\u00e9 a zostaven\u00e9. Celistv\u00fd typ sa pou\u017e\u00edva hlavne na v\u0155tanie mikro otvormi s priemerom 0,03 ~ 0,5 mm. Zostaven\u00fd ploch\u00fd vrt\u00e1k s vymenite\u013en\u00fdmi do\u0161ti\u010dkami a vn\u00fatorn\u00fdm chladen\u00edm sa pou\u017e\u00edva hlavne na v\u0155tanie ve\u013ek\u00fdch otvorov s priemerom 25 a\u017e 500 mm.<\/span><\/p>\n

Hlbok\u00e9 v\u0155tanie<\/span><\/strong><\/p>\n

Hlbok\u00e9 v\u0155tanie je zvy\u010dajne n\u00e1stroj na spracovanie otvorov s pomerom h\u013abky otvoru k priemeru otvoru v\u00e4\u010d\u0161\u00edm ako 6. Be\u017ene sa pou\u017e\u00edvaj\u00fa pi\u0161to\u013eov\u00e9 v\u0155ta\u010dky, hlbok\u00e9 v\u0155ta\u010dky BTA, tryskov\u00e9 v\u0155ta\u010dky, hlbok\u00e9 v\u0155ta\u010dky DF at\u010f. Hniezdov\u00e1 v\u0155ta\u010dka sa tie\u017e be\u017ene pou\u017e\u00edva na obr\u00e1banie hlbok\u00fdch otvorov.<\/span><\/p>\n

V\u0155tac\u00ed v\u00fdstru\u017en\u00edk<\/span><\/strong><\/p>\n

V\u00fdstru\u017en\u00edkov\u00e9 vrt\u00e1ky maj\u00fa 3-4 zuby a s\u00fa tuh\u0161ie ako \u0161pir\u00e1lov\u00e9 vrt\u00e1ky. Pou\u017e\u00edvaj\u00fa sa na zv\u00e4\u010d\u0161enie existuj\u00facich otvorov a na zlep\u0161enie presnosti obr\u00e1bania a povrchovej \u00fapravy.<\/span><\/p>\n

Zh\u00e1\u0148adl\u00e1<\/span><\/strong><\/p>\n

Z\u00e1pustka je rezac\u00ed n\u00e1stroj, ktor\u00fd vytv\u00e1ra ku\u017ee\u013eov\u00fd otvor v predmete. Be\u017en\u00e9 pou\u017eitie je vytvori\u0165 hlavu zapustenej skrutky alebo skrutky tak, aby po vlo\u017een\u00ed do otvoru bola zarovno s povrchom alebo pod n\u00edm. Z\u00e1pustky sa m\u00f4\u017eu pou\u017ei\u0165 aj na odstr\u00e1nenie otrepov, ktor\u00e9 zostali po v\u0155tan\u00ed alebo z\u00e1vitovan\u00ed.<\/span><\/p>\n

Zr\u00e1\u017eacie fr\u00e9zy maj\u00fa viac zubov a pou\u017e\u00edvaj\u00fa sa na tvarovanie konca otvoru do po\u017eadovan\u00e9ho tvaru. Pou\u017e\u00edvaj\u00fa sa na obr\u00e1banie zr\u00e1\u017ean\u00fdch otvorov pre r\u00f4zne zr\u00e1\u017eacie skrutky alebo na zarovnanie vonkaj\u0161ej plochy otvoru.<\/span><\/p>\n

Stredov\u00fd vrt\u00e1k<\/span><\/strong><\/p>\n

Stredov\u00fd vrt\u00e1k sa pou\u017e\u00edva na v\u0155tanie stredov\u00e9ho otvoru na obrobkoch hriade\u013eov. V podstate ide o kombin\u00e1ciu \u0161pir\u00e1lov\u00e9ho vrt\u00e1ka s mal\u00fdm \u0161pir\u00e1lov\u00fdm uhlom a z\u00e1hlbn\u00edka, preto sa naz\u00fdva aj kompozitn\u00fd stredov\u00fd vrt\u00e1k.<\/span><\/p>\n

\u00a0<\/span><\/p>\n

\"v\u0155tacie<\/p>\n

<\/span><\/p>\n

Aplik\u00e1cia r\u00f4znych materi\u00e1lov vrt\u00e1kov<\/span><\/strong><\/p>\n

Na v\u0155tanie otvorov do dreven\u00fdch materi\u00e1lov sa pou\u017e\u00edvaj\u00fa drev\u00e1rske vrt\u00e1ky. Drev\u00e1rske vrt\u00e1ky na rezanie s\u00fa ve\u013ek\u00e9, po\u017eiadavky na tvrdos\u0165 n\u00e1stroja nie s\u00fa vysok\u00e9 a materi\u00e1l n\u00e1stroja je spravidla r\u00fdchlorezn\u00e1 oce\u013e (HSS).<\/span><\/p>\n

\u00a0<\/span><\/p>\n

V\u0155tanie do v\u0161eobecn\u00fdch kovov\u00fdch materi\u00e1lov (legovan\u00e1 oce\u013e, nelegovan\u00e1 oce\u013e, liatina, zlievarensk\u00e1 oce\u013e, ne\u017eelezn\u00e9 kovy), v\u0155tacie materi\u00e1ly s\u00fa v\u0161eobecne r\u00fdchlorezn\u00e9 ocele (pokro\u010dil\u00e9 n\u00e1stroje obsahuj\u00face prvky kobaltu HSS-Co).<\/span><\/p>\n

\u00a0<\/span><\/p>\n

V\u0155tanie do bet\u00f3nov\u00fdch a kamenn\u00fdch materi\u00e1lov, pomocou pr\u00edklepov\u00fdch v\u0155ta\u010diek s mur\u00e1rskymi vrt\u00e1kmi, s vrt\u00e1kom zvy\u010dajne z tvrdenej zliatiny.<\/span><\/p>\n

\u00a0<\/span><\/p>\n

Vrt\u00e1ky na dla\u017edice sa pou\u017e\u00edvaj\u00fa na v\u0155tanie otvorov do tvrd\u00fdch dla\u017ed\u00edc a skla. Materi\u00e1l n\u00e1stroja je zliatina volfr\u00e1mu a uhl\u00edka. Vzh\u013eadom na vysok\u00fa tvrdos\u0165 a n\u00edzku h\u00fa\u017eevnatos\u0165 n\u00e1stroja je potrebn\u00e9 dba\u0165 na n\u00edzku r\u00fdchlos\u0165 bez pr\u00edklepu.<\/span><\/p>\n

\u00a0<\/span><\/p>\n

V\u0155tac\u00ed n\u00e1stroj je n\u00e1stroj pou\u017e\u00edvan\u00fd na v\u0155tanie slep\u00fdch alebo priechodn\u00fdch otvorov do fyzick\u00fdch materi\u00e1lov a na zv\u00e4\u010d\u0161ovanie existuj\u00facich otvorov. Be\u017ene pou\u017e\u00edvan\u00e9 vrt\u00e1ky zah\u0155\u0148aj\u00fa predov\u0161etk\u00fdm \u0161pir\u00e1lov\u00e9 vrt\u00e1ky, ploch\u00e9 vrt\u00e1ky, stredov\u00e9 vrt\u00e1ky, h\u013abkov\u00e9 vrt\u00e1ky a obj\u00edmkov\u00e9 vrt\u00e1ky. Hoci v\u00fdhrubn\u00edky a dierovacie vrt\u00e1ky nedok\u00e1\u017eu v\u0155ta\u0165 otvory do fyzick\u00fdch materi\u00e1lov, zvy\u010dajne sa klasifikuj\u00fa ako vrt\u00e1ky.<\/span><\/p>\n

\u00a0<\/span><\/p>\n

Vysok\u00e1 kvalita <\/span><\/span><\/strong>v\u0155ta\u010dka<\/span><\/strong>dod\u00e1vate\u013e s\u00fa\u010diastok <\/span><\/span><\/strong><\/p>\n

BESTWIN Tools Co.,Ltd.<\/span><\/strong>\u00a0je profesion\u00e1lny dod\u00e1vate\u013e ru\u010dn\u00e9ho n\u00e1radia a pr\u00edslu\u0161enstva vysoko kvalitn\u00fdch, \u00fa\u010dinn\u00fdch a spo\u013eahliv\u00fdch v\u0155ta\u010diek, dierov\u00fdch p\u00edl, pneumatick\u00e9ho n\u00e1radia a \u010fal\u0161\u00edch komponentov n\u00e1radia po celom svete. BESTWIN pon\u00faka najtvrd\u0161ie a najodolnej\u0161ie vrt\u00e1ky. Vhodn\u00e9 pre ak\u00e9ko\u013evek pracovn\u00e9 podmienky a potreby. Ste v\u00edtan\u00ed <\/span>kontaktujte BESTWIN<\/span><\/span><\/a>\u00a0kedyko\u013evek, aby ste z\u00edskali najnov\u0161iu cenov\u00fa ponuku.<\/span><\/p>\n

Kontaktujte n\u00e1s<\/span><\/strong>:<\/span><\/span><\/strong><\/p>\n

BESTWIN Tools Co.,ltd. (zn\u00e1m\u00e9 tie\u017e ako Leqing Baiying Metals & Hardware Tools Co.,Ltd.)<\/span><\/p>\n

E-mail:<\/span><\/p>\n

dennis@bestwin-tools.com<\/span><\/p>\n

Telef\u00f3n:<\/span><\/p>\n

+8619957767763<\/span><\/p>\n

<\/p>","protected":false},"excerpt":{"rendered":"

The materials of drill bits are generally divided into HSS, HSS with cobalt, powder HSS, and tungste…<\/p>","protected":false},"author":1,"featured_media":212,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[12],"tags":[],"class_list":["post-79","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-news"],"_links":{"self":[{"href":"https:\/\/bestwin-tools.com\/sk\/wp-json\/wp\/v2\/posts\/79","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/bestwin-tools.com\/sk\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/bestwin-tools.com\/sk\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/bestwin-tools.com\/sk\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/bestwin-tools.com\/sk\/wp-json\/wp\/v2\/comments?post=79"}],"version-history":[{"count":1,"href":"https:\/\/bestwin-tools.com\/sk\/wp-json\/wp\/v2\/posts\/79\/revisions"}],"predecessor-version":[{"id":516,"href":"https:\/\/bestwin-tools.com\/sk\/wp-json\/wp\/v2\/posts\/79\/revisions\/516"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/bestwin-tools.com\/sk\/wp-json\/wp\/v2\/media\/212"}],"wp:attachment":[{"href":"https:\/\/bestwin-tools.com\/sk\/wp-json\/wp\/v2\/media?parent=79"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/bestwin-tools.com\/sk\/wp-json\/wp\/v2\/categories?post=79"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/bestwin-tools.com\/sk\/wp-json\/wp\/v2\/tags?post=79"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}