{"id":26193,"date":"2025-01-01T19:44:19","date_gmt":"2025-01-02T03:44:19","guid":{"rendered":"https:\/\/chansmachining.com\/tabulka-velkosti-zavitovych-kohutikov-ako-zmerat-a-vybrat-spravny-kohutik%ef%bc%9f\/"},"modified":"2025-01-04T03:30:16","modified_gmt":"2025-01-04T11:30:16","slug":"tabulka-velkosti-zavitovych-kohutikov-ako-zmerat-a-vybrat-spravny-kohutik%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/chansmachining.com\/sk\/tabulka-velkosti-zavitovych-kohutikov-ako-zmerat-a-vybrat-spravny-kohutik%ef%bc%9f\/","title":{"rendered":"Tabu\u013eka ve\u013ekost\u00ed z\u00e1vitov\u00fdch koh\u00fatikov: Ako zmera\u0165 a vybra\u0165 spr\u00e1vny koh\u00fatik\uff1f"},"content":{"rendered":"\n

Poznanie typov z\u00e1vitov a ve\u013ekost\u00ed koh\u00fatikov<\/strong><\/h2>\n
\n
\"Imperiálne<\/figure><\/div>\n

Predt\u00fdm, ako sa za\u010dnete zaobera\u0165 technick\u00fdmi aspektmi v\u00fdberu ve\u013ekosti z\u00e1vitov\u00e9ho koh\u00fatika, je nevyhnutn\u00e9 pochopi\u0165 dva hlavn\u00e9 syst\u00e9my z\u00e1vitov pou\u017e\u00edvan\u00e9 v stroj\u00e1rstve – metrick\u00e9 z\u00e1vity<\/strong> a imperi\u00e1lne (alebo palcov\u00e9) z\u00e1vity<\/strong>.<\/p>\n\n

Metrick\u00e9 vl\u00e1kna<\/strong><\/h3>\n\n

priemer<\/strong> z\u00e1vitu a rozstup<\/strong> (vzdialenos\u0165 medzi z\u00e1vitmi) s\u00fa dva faktory, ktor\u00e9 tvoria z\u00e1vit v metrickom syst\u00e9me. MxP<\/strong> je najpou\u017e\u00edvanej\u0161\u00ed form\u00e1t metrick\u00e9ho z\u00e1vitu, kde „M“ znamen\u00e1 metrick\u00fd z\u00e1vit a „P“ st\u00fapanie v milimetroch.<\/p>\n\n

Napr\u00edklad z\u00e1vit M8x1,25 m\u00e1 \u0161tandardn\u00fa \u0161\u00edrku 8 mm a rozstup 1,25 mm.<\/p>\n\n

Imperial Threads<\/strong><\/h3>\n\n

Na miestach, ako s\u00fa USA, sa be\u017ene pou\u017e\u00edvaj\u00fa imperi\u00e1lne alebo palcov\u00e9 z\u00e1vity. Ozna\u010duj\u00fa sa p\u00edsmenami UNC<\/strong> (Unified National Coarse) alebo UNF<\/strong> (Unified National Fine). \u0160\u00edrka z\u00e1vitu sa ud\u00e1va v palcoch a st\u00fapanie sa zvy\u010dajne uv\u00e1dza po\u010dtom z\u00e1vitov na palec (TPI).<\/p>\n\n

Napr\u00edklad pri z\u00e1vite 1\/4″-20 UNC je z\u00e1vit \u0161irok\u00fd 1\/4 palca a m\u00e1 20 z\u00e1vitov na palec.<\/p>\n\n

Ve\u013ekosti z\u00e1vitov pre r\u00f4zne typy z\u00e1vitov<\/strong><\/h3>\n\n

Ke\u010f u\u017e viete, ako je zostaven\u00fd typ z\u00e1vitu, s ktor\u00fdm pracujete, mus\u00edte vybra\u0165 spr\u00e1vnu ve\u013ekos\u0165 z\u00e1vitu<\/strong>. Ve\u013ekos\u0165 z\u00e1vitn\u00edka<\/strong> v\u00e1m hovor\u00ed, ak\u00fa ve\u013ekos\u0165 otvoru mus\u00edte vyv\u0155ta\u0165 v materi\u00e1li pred rezan\u00edm z\u00e1vitov z\u00e1vitn\u00edkom. Ve\u013ekos\u0165 otvoru by mala by\u0165 o nie\u010do men\u0161ia ako vonkaj\u0161\u00ed priemer z\u00e1vitu, aby z\u00e1vitn\u00edk mohol vytvori\u0165 z\u00e1vity, ktor\u00e9 tesne priliehaj\u00fa k spojovaciemu prvku.<\/p>\n\n

Pou\u017eitie tabu\u013eky ve\u013ekosti z\u00e1vitov\u00fdch koh\u00fatikov<\/strong><\/h2>\n\n

Sprievodca ve\u013ekos\u0165ou z\u00e1vitov\u00fdch koh\u00fatikov je d\u00f4le\u017eit\u00fdm n\u00e1strojom pre ka\u017ed\u00e9ho, kto pracuje so spojovac\u00edmi materi\u00e1lmi so z\u00e1vitmi. Tieto tabu\u013eky uv\u00e1dzaj\u00fa pre r\u00f4zne z\u00e1vity navrhovan\u00fa ve\u013ekos\u0165 z\u00e1vitn\u00edka (ve\u013ekos\u0165 otvoru na z\u00e1vitovanie) v metrick\u00fdch aj anglick\u00fdch jednotk\u00e1ch. Tu je nieko\u013eko tipov, ako tieto tabu\u013eky spr\u00e1vne \u010d\u00edta\u0165 a pou\u017e\u00edva\u0165.<\/p>\n\n

Jednoduch\u00fd pr\u00edklad tabu\u013eky ve\u013ekosti metrick\u00fdch z\u00e1vitn\u00edkov je uveden\u00fd ni\u017e\u0161ie:<\/p>\n\n

Ve\u013ekos\u0165 z\u00e1vitu (mm)<\/th>Rozstup (mm)<\/th>Ve\u013ekos\u0165 z\u00e1vitn\u00edka (mm)<\/th><\/tr><\/thead>
M3<\/td>0.5<\/td>2.5<\/td><\/tr>
M4<\/td>0.7<\/td>3.3<\/td><\/tr>
M5<\/td>0.8<\/td>4.2<\/td><\/tr>
M6<\/td>1.0<\/td>5.0<\/td><\/tr>
M8<\/td>1.25<\/td>6.8<\/td><\/tr><\/tbody><\/table><\/figure>\n\n

V pr\u00edpade imperi\u00e1lneho syst\u00e9mu by graf vyzeral takto:<\/p>\n\n

Ve\u013ekos\u0165 z\u00e1vitu (palce)<\/th>TPI (z\u00e1vity na palec)<\/th>Ve\u013ekos\u0165 z\u00e1vitn\u00edka (palce)<\/th><\/tr><\/thead>
1\/4″<\/td>20<\/td>0.2013<\/td><\/tr>
5\/16″<\/td>18<\/td>0.2720<\/td><\/tr>
3\/8″<\/td>16<\/td>0.3125<\/td><\/tr>
1\/2″<\/td>13<\/td>0.4490<\/td><\/tr><\/tbody><\/table><\/figure>\n\n

Tieto pr\u00edru\u010dky v\u00e1m pom\u00f4\u017eu vybra\u0165 spr\u00e1vnu ve\u013ekos\u0165 vrt\u00e1ka pre z\u00e1vitn\u00edk a zabezpe\u010di\u0165, aby mal otvor spr\u00e1vnu ve\u013ekos\u0165 pre z\u00e1vitn\u00edk. V\u0161eobecne plat\u00ed, \u017ee ve\u013ekos\u0165 z\u00e1vitn\u00edkov\u00e9ho vrt\u00e1ka<\/strong> by mala by\u0165 o nie\u010do men\u0161ia ako vonkaj\u0161\u00ed priemer z\u00e1vitu. To z\u00e1vis\u00ed od rozstupu. Tak\u017ee ve\u013ekos\u0165 vrt\u00e1ka pre z\u00e1vit M8x1,25, ako je zn\u00e1zornen\u00e9 na obr\u00e1zku vy\u0161\u0161ie, by mala by\u0165 6,8 mm.<\/p>\n\n

Ako \u010d\u00edta\u0165 graf?<\/strong><\/h2>\n\n

V ka\u017edom riadku tabu\u013eky sa nach\u00e1dza „ve\u013ekos\u0165 z\u00e1vitu“, „st\u00fapanie“ (v metrickej tabu\u013eke) alebo „ve\u013ekos\u0165 z\u00e1vitn\u00edka“ (v imperi\u00e1lnej tabu\u013eke). Takto sa tabu\u013eka pou\u017e\u00edva:<\/p>\n\n

    \n
  1. Zistite ve\u013ekos\u0165 z\u00e1vitu. Vyberte si ve\u013ekos\u0165 z\u00e1vitu, ktor\u00fd chcete pou\u017ei\u0165, napr\u00edklad M8 alebo 1\/4″-20.Aby ste zistili spr\u00e1vnu rozte\u010d alebo TPI, postupujte takto: Ak ide o metrick\u00fd z\u00e1vit, zistite st\u00fapanie, ktor\u00e9 by v pr\u00edpade M8 bolo 1,25 mm. Ak chcete zisti\u0165 TPI pre imperi\u00e1lne z\u00e1vity, napr\u00edklad 20 TPI pre 1\/4″<\/li>\n\n\n\n
  2. Zistite ve\u013ekos\u0165 vrt\u00e1ka<\/strong>: Ke\u010f pozn\u00e1te spr\u00e1vnu ve\u013ekos\u0165 z\u00e1vitu a st\u00fapanie (TPI), m\u00f4\u017eete n\u00e1js\u0165 ve\u013ekos\u0165 z\u00e1vitov\u00e9ho vrt\u00e1ka, ktor\u00fd k nemu patr\u00ed. Predt\u00fdm, ako budete m\u00f4c\u0165 pou\u017ei\u0165 z\u00e1vitn\u00edk, mus\u00edte vyv\u0155ta\u0165 otvor tejto ve\u013ekosti.<\/li>\n<\/ol>\n\n

    Step-by-Step Guide to Choosing the Correct Tap Size<\/strong> (Sprievodca v\u00fdberom spr\u00e1vnej ve\u013ekosti koh\u00fatika krok za krokom)<\/h2>\n\n

    Hoci je d\u00f4le\u017eit\u00e9 vedie\u0165, ako \u010d\u00edta\u0165 tabu\u013eku ve\u013ekosti z\u00e1vitov\u00fdch koh\u00fatikov, pri v\u00fdbere spr\u00e1vnej ve\u013ekosti koh\u00fatika pre va\u0161u pr\u00e1cu by ste mali myslie\u0165 aj na in\u00e9 veci. Pou\u017eite ni\u017e\u0161ie uveden\u00e9 pokyny krok za krokom, ktor\u00e9 v\u00e1m pom\u00f4\u017eu vybra\u0165 spr\u00e1vnu ve\u013ekos\u0165 z\u00e1vitn\u00edka pre va\u0161e potreby.<\/p>\n\n

    Krok 1: Ur\u010denie typu a ve\u013ekosti z\u00e1vitu<\/strong><\/h3>\n\n

    Pred za\u010dat\u00edm je potrebn\u00e9 zisti\u0165, ak\u00fd druh vl\u00e1kna m\u00e1te. „Cis\u00e1rsky z\u00e1vit“ alebo „metrick\u00fd z\u00e1vit“? Ak si chcete by\u0165 ist\u00ed, pozrite sa na \u0161pecifik\u00e1cie dielu alebo zavolajte v\u00fdrobcovi.<\/p>\n\n

    Krok 2: Zmerajte alebo ur\u010dte priemer<\/strong><\/h3>\n\n

    Potom zmeran\u00edm alebo ur\u010den\u00edm priemeru skrutky alebo skrutky zistite, o ak\u00fd druh z\u00e1vitu ide. To je dobr\u00fd v\u00fdchodiskov\u00fd bod pre v\u00fdber spr\u00e1vnej ve\u013ekosti z\u00e1vitu. Ak pou\u017eijeme ako pr\u00edklad skrutku M8<\/strong>, jej \u0161\u00edrka je 8 mm.<\/p>\n\n

    Krok 3: Zistite rozte\u010d alebo TPI<\/strong><\/h3>\n\n

    Ak pracujete s metrick\u00fdmi z\u00e1vitmi, mus\u00edte pozna\u0165 „st\u00fapanie“ z\u00e1vitu. St\u00fapanie je medzera medzi z\u00e1vitmi. Na zistenie rozstupu m\u00f4\u017eete pou\u017ei\u0165 n\u00e1stroj na zis\u0165ovanie rozstupu alebo z\u00edska\u0165 inform\u00e1cie od v\u00fdrobcu. V pr\u00edpade z\u00e1vitu M8 m\u00f4\u017ee by\u0165 \u0161\u00edrka 1,25 mm.<\/p>\n\n

    Najd\u00f4le\u017eitej\u0161ie \u010d\u00edslo, ktor\u00e9 je potrebn\u00e9 pozna\u0165 pri imperi\u00e1lnych z\u00e1vitoch, je TPI, \u010do znamen\u00e1 „z\u00e1vity na palec“. Toto \u010d\u00edslo ud\u00e1va, ko\u013eko z\u00e1vitov je v jednom palci. Napr\u00edklad 1\/4″-20 UNC<\/strong> z\u00e1vit m\u00e1 20 z\u00e1vitov na palec.<\/p>\n\n

    Krok 4: Pozrite si tabu\u013eku ve\u013ekost\u00ed koh\u00fatikov<\/strong><\/h3>\n\n

    Sprievodca ve\u013ekos\u0165ou z\u00e1vitov\u00e9ho koh\u00fatika v\u00e1m pom\u00f4\u017ee n\u00e1js\u0165 spr\u00e1vnu ve\u013ekos\u0165 z\u00e1vitov\u00e9ho vrt\u00e1ka, ke\u010f pozn\u00e1te typ, ve\u013ekos\u0165 a st\u00fapanie z\u00e1vitu (TPI). Ak si nie ste ist\u00ed niektor\u00fdm z vy\u0161\u0161ie uveden\u00fdch krokov, skontrolujte si e\u0161te raz miery alebo si ich vyh\u013eadajte v knihe.<\/p>\n\n

    Krok 5: V\u00fdber pr\u00edklepov\u00e9ho vrt\u00e1ka<\/strong><\/h3>\n\n

    Po n\u00e1jden\u00ed spr\u00e1vnej ve\u013ekosti pr\u00edklepov\u00e9ho vrt\u00e1ka v tabu\u013eke m\u00f4\u017eete za\u010da\u0165 v\u0155ta\u0165 dieru na spr\u00e1vnu ve\u013ekos\u0165. Pou\u017eite vrt\u00e1k s rovnakou ve\u013ekos\u0165ou, ak\u00e1 je uveden\u00e1 v tabu\u013eke. Napr\u00edklad pre z\u00e1vit M8x1,25 budete musie\u0165 vyv\u0155ta\u0165 otvor s priemerom 6,8 mm.<\/p>\n\n

    Krok 6: Vypichnite otvor<\/strong><\/h3>\n\n

    Po vytvoren\u00ed otvoru pou\u017eite spr\u00e1vny z\u00e1vit<\/strong> na vytvorenie z\u00e1vitu. Z\u00e1vitn\u00edky sa vyr\u00e1baj\u00fa v r\u00f4znych typoch, ako s\u00fa ru\u010dn\u00e9 z\u00e1vitn\u00edky, strojov\u00e9 z\u00e1vitn\u00edky a z\u00e1vitn\u00edky so \u0161pir\u00e1lov\u00fdm hrotom. Typ materi\u00e1lu a pou\u017eitie ur\u010duj\u00fa v\u00fdber z\u00e1vitn\u00edka.<\/p>\n\n

    \u010cast\u00e9 chyby a ako sa im vyhn\u00fa\u0165<\/strong><\/h2>\n
    \n
    \"Metrický<\/figure><\/div>\n

    Pri v\u00fdbere spr\u00e1vnej ve\u013ekosti vodovodn\u00e9ho koh\u00fatika sa \u013eudia \u010dasto dop\u00fa\u0161\u0165aj\u00fa nieko\u013ek\u00fdch ch\u00fdb. Tieto tipy v\u00e1m pom\u00f4\u017eu vybra\u0165 spr\u00e1vnu ve\u013ekos\u0165 vodovodn\u00e9ho koh\u00fatika bez toho, aby ste sa dopustili nasleduj\u00facich ch\u00fdb:<\/p>\n\n

    Nespr\u00e1vna ve\u013ekos\u0165 z\u00e1vitn\u00edka<\/strong><\/h3>\n\n

    Ak nepou\u017eijete vrt\u00e1k s pr\u00edklepom spr\u00e1vnej ve\u013ekosti, z\u00e1vity bud\u00fa pr\u00edli\u0161 tesn\u00e9, \u010do s\u0165a\u017e\u00ed zaskrutkovanie skrutiek. Naopak, ak je vrt\u00e1k pr\u00edli\u0161 ve\u013ek\u00fd, z\u00e1vity sa nemusia vytvori\u0165 spr\u00e1vne a skrutka nemus\u00ed pevne zapadn\u00fa\u0165. Sk\u00f4r ako za\u010dnete, skontrolujte \u010d\u00edsla v spo\u013eahlivej tabu\u013eke ve\u013ekost\u00ed z\u00e1vitn\u00edkov.<\/p>\n\n

    Nepochopenie v\u00fd\u0161ky<\/strong><\/h3>\n\n

    Je ve\u013emi d\u00f4le\u017eit\u00e9 pozna\u0165 rozdiel medzi rozstupom<\/strong> (pri metrick\u00fdch z\u00e1vitoch) a TPI<\/strong> (pri imperi\u00e1lnych z\u00e1vitoch). Ak si ich pom\u00fdlite, z\u00e1vity nebud\u00fa spr\u00e1vne a mont\u00e1\u017e bude zl\u00e1.<\/p>\n\n

    V\u00fdber nespr\u00e1vneho koh\u00fatika pre dan\u00fd materi\u00e1l<\/strong><\/h3>\n\n

    R\u00f4zne typy materi\u00e1lov potrebuj\u00fa r\u00f4zne druhy koh\u00fatikov. Napr\u00edklad hlin\u00edk alebo in\u00e9 m\u00e4kk\u00e9 kovy m\u00f4\u017eu potrebova\u0165 in\u00fd druh z\u00e1vitn\u00edka ako oce\u013e alebo in\u00e9 tvrd\u0161ie kovy. Aby ste zabr\u00e1nili po\u0161kodeniu z\u00e1vitov, uistite sa, \u017ee ste vybrali spr\u00e1vny z\u00e1vitn\u00edk pre dan\u00fa pr\u00e1cu.<\/p>\n\n

    Nezoh\u013ead\u0148ovanie tolerancie<\/strong><\/h3>\n\n

    Tolerancie pri z\u00e1vitoch znamenaj\u00fa, \u017ee sa m\u00f4\u017eu v ur\u010dit\u00fdch medziach navz\u00e1jom mierne l\u00ed\u0161i\u0165. Pri v\u00fdbere ve\u013ekosti z\u00e1vitn\u00edka sa uistite, \u017ee rozsah z\u00e1vitn\u00edka zodpoved\u00e1 po\u017eiadavk\u00e1m na z\u00e1vit.<\/p>\n\n

    Z\u00e1ver<\/strong><\/h2>\n\n

    Ve\u013emi d\u00f4le\u017eitou s\u00fa\u010das\u0165ou presn\u00e9ho rezania a rezania z\u00e1vitov je v\u00fdber spr\u00e1vnej ve\u013ekosti z\u00e1vitov\u00e9ho koh\u00fatika. Presnos\u0165 a spo\u013eahlivos\u0165 z\u00e1vitovania si m\u00f4\u017eete by\u0165 ist\u00ed, ak budete pozna\u0165 r\u00f4zne typy z\u00e1vitov (metrick\u00e9 a imperi\u00e1lne), ako pou\u017e\u00edva\u0165 tabu\u013eku ve\u013ekosti z\u00e1vitov\u00fdch koh\u00fatikov a postup pri v\u00fdbere spr\u00e1vnej ve\u013ekosti z\u00e1vitn\u00edka.<\/p>\n\n

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

    Mechanick\u00e9 in\u017einierstvo si vy\u017eaduje presnos\u0165, najm\u00e4 pri rezan\u00ed z\u00e1vitov a z\u00e1vitovan\u00ed. Spojovacie prvky, armat\u00fary a spoje, ktor\u00e9 sp\u00e1jaj\u00fa mechanick\u00e9 syst\u00e9my, potrebuj\u00fa z\u00e1vity. V\u00fdber spr\u00e1vnej ve\u013ekosti z\u00e1vitn\u00edka je rozhoduj\u00faci. Ve\u013ekosti z\u00e1vitn\u00edkov zabezpe\u010duj\u00fa, aby z\u00e1vity vyrezan\u00e9 do materi\u00e1lu spr\u00e1vne zapadli a zabezpe\u010dili spojovac\u00ed prvok.<\/p>\n

    V tomto pr\u00edspevku sa dozviete, ako vyu\u017ei\u0165 tabu\u013eku ve\u013ekosti z\u00e1vitn\u00edkov na z\u00edskanie spr\u00e1vnych rozmerov pre va\u0161u aplik\u00e1ciu. Pochopenie toho, ako ur\u010di\u0165 spr\u00e1vnu ve\u013ekos\u0165 z\u00e1vitn\u00edka pri obr\u00e1ban\u00ed, oprav\u00e1ch vozidiel alebo in\u00fdch technick\u00fdch oper\u00e1ci\u00e1ch, podporuje dobr\u00e9 uchytenie a \u017eivotnos\u0165 materi\u00e1lu.<\/p>\n","protected":false},"author":1,"featured_media":25941,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[49],"tags":[],"class_list":["post-26193","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-uncategorized-sk"],"yoast_head":"\nTabu\u013eka ve\u013ekost\u00ed z\u00e1vitov\u00fdch koh\u00fatikov: Ako zmera\u0165 a vybra\u0165 spr\u00e1vny koh\u00fatik\uff1f - ChansMachining<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/chansmachining.com\/sk\/tabulka-velkosti-zavitovych-kohutikov-ako-zmerat-a-vybrat-spravny-kohutik%ef%bc%9f\/\" \/>\n<meta property=\"og:locale\" content=\"sk_SK\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Tabu\u013eka ve\u013ekost\u00ed z\u00e1vitov\u00fdch koh\u00fatikov: Ako zmera\u0165 a vybra\u0165 spr\u00e1vny koh\u00fatik\uff1f - ChansMachining\" \/>\n<meta property=\"og:description\" content=\"Mechanick\u00e9 in\u017einierstvo si vy\u017eaduje presnos\u0165, najm\u00e4 pri rezan\u00ed z\u00e1vitov a z\u00e1vitovan\u00ed. 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