{"id":18214,"date":"2026-07-28T14:05:26","date_gmt":"2026-07-28T06:05:26","guid":{"rendered":"https:\/\/moldiecasting.com\/?p=18214"},"modified":"2026-10-08T21:08:20","modified_gmt":"2026-10-08T13:08:20","slug":"core-pin-in-die-casting-mold-design-materials-and-performance","status":"publish","type":"post","link":"https:\/\/moldiecasting.com\/sk\/blog\/core-pin-in-die-casting-mold-design-materials-and-performance\/","title":{"rendered":"Jadro vo forme na tlakov\u00e9 liatie: kon\u0161trukcia, materi\u00e1ly a v\u00fdkon"},"content":{"rendered":"<p>Jadr\u00e1 s\u00fa mal\u00e9 komponenty vo forme na tlakov\u00e9 liatie. Vytv\u00e1raj\u00fa otvory, dr\u00e1\u017eky a vn\u00fatorn\u00e9 dutiny, ktor\u00e9 ur\u010duj\u00fa funkciu dielu; ich geometria, materi\u00e1l a umiestnenie ovplyv\u0148uj\u00fa plnenie, spo\u013eahliv\u00e9 vyhadzovanie,\u00a0<span style=\"color: #3366ff;\"><a class=\"wrap-anywhere font-medium text-primary underline\" style=\"color: #3366ff;\" href=\"https:\/\/moldiecasting.com\/sk\/blog\/precision-die-casting-for-accurate-metal-parts\/\" target=\"_blank\" rel=\"noopener noreferrer\" data-incomplete=\"false\" data-streamdown=\"link\">rozmerov\u00fa presnos\u0165<\/a><\/span>, ako aj \u017eivotnos\u0165 n\u00e1stroja po\u010das ka\u017edej v\u00fdrobnej s\u00e9rie.<\/p>\n<p>Tento \u010dl\u00e1nok vysvet\u013euje, ako n\u00e1vrh jadier s\u00favis\u00ed s v\u00fdberom zliatiny, chladen\u00edm, poruchami a kontroln\u00fdmi postupmi, a pon\u00faka kon\u0161truk\u010dn\u00fdm a v\u00fdrobn\u00fdm t\u00edmom praktick\u00e9 odpor\u00fa\u010dania pre n\u00e1stroje vhodn\u00e9 na ve\u013ekos\u00e9riov\u00fa v\u00fdrobu.<\/p>\n<h2 class=\"mt-6 mb-2 font-semibold text-2xl\" data-streamdown=\"heading-2\">Funkcia jadier v n\u00e1strojoch na tlakov\u00e9 liatie<\/h2>\n<p>Jadr\u00e1 vytv\u00e1raj\u00fa vn\u00fatorn\u00e9 tvary dielu, ktor\u00e9 samotn\u00e1 dutina formy nedok\u00e1\u017ee vytvori\u0165. V hlin\u00edkov\u00fdch form\u00e1ch a \u010fal\u0161\u00edch n\u00e1strojoch na tlakov\u00e9 liatie ich umiestnenie, rozmery a podopretie rozhoduj\u00fa o tom, \u010di bud\u00fa prvky odliatku \u010dist\u00e9 a konzistentn\u00e9, alebo sa stan\u00fa opakovan\u00fdm zdrojom odpadu a prestojov.<\/p>\n<h3 class=\"mt-6 mb-2 font-semibold text-xl\" data-streamdown=\"heading-3\">Ako jadr\u00e1 vytv\u00e1raj\u00fa vn\u00fatorn\u00e9 prvky<\/h3>\n<p>Jadro je samostatn\u00e1, vymenite\u013en\u00e1 vlo\u017eka umiestnen\u00e1 vo forme. Po\u010das vstrekovania vytl\u00e1\u010da roztaven\u00fd kov a vytv\u00e1ra otvor, v\u00fdstupok, kan\u00e1l alebo dut\u00fa \u010das\u0165. Takto mo\u017eno zhotovi\u0165 napr\u00edklad z\u00e1vitov\u00e9 otvory \u010di hlbok\u00e9 slep\u00e9 v\u00fdvrty, ktor\u00e9 by nebolo mo\u017en\u00e9 priamo obr\u00e1ba\u0165 do plochy formy. Samostatn\u00e9 jadr\u00e1 sa pou\u017e\u00edvaj\u00fa preto, \u017ee hlbok\u00e9 prvky sa \u0165a\u017eko obr\u00e1baj\u00fa priamo do bloku formy a vymenite\u013en\u00e9 jadr\u00e1 v\u00fdrazne zni\u017euj\u00fa n\u00e1klady na \u00fadr\u017ebu pri opotrebovan\u00ed alebo zlomen\u00ed.<\/p>\n<h3 class=\"mt-6 mb-2 font-semibold text-xl\" data-streamdown=\"heading-3\">S\u00fahra s vyhadzovan\u00edm<\/h3>\n<p>Jadr\u00e1 mo\u017eno upevni\u0165 na pevn\u00fa alebo pohybliv\u00fa polovicu formy, osadi\u0165 do posuvn\u00fdch mechanizmov alebo ovl\u00e1da\u0165 hydraulicky. Pri vyhadzovan\u00ed sa musia od odliatku \u010disto uvo\u013eni\u0165. Nes\u00faosos\u0165 jadra a bl\u00edzkeho vyhadzovacieho kol\u00edka m\u00f4\u017ee sp\u00f4sobi\u0165 zaseknutie, po\u0161kriaba\u0165 povrch odliatku alebo ohn\u00fa\u0165 jadro bo\u010dn\u00fdm za\u0165a\u017een\u00edm.<\/p>\n<h2 class=\"mt-6 mb-2 font-semibold text-2xl\" data-streamdown=\"heading-2\">Kon\u0161truk\u010dn\u00e9 faktory ovplyv\u0148uj\u00face v\u00fdkon jadra<\/h2>\n<p>Pri n\u00e1vrhu jadra nesta\u010d\u00ed zvoli\u0165 priemer a d\u013a\u017eku. Geometria, zliatina a tepeln\u00e9 spr\u00e1vanie sa navz\u00e1jom ovplyv\u0148uj\u00fa; chyba v ktorejko\u013evek oblasti m\u00f4\u017ee vyzera\u0165 ako probl\u00e9m procesu, hoci jej pr\u00ed\u010dinou je v\u00fdkres n\u00e1stroja.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-2262\" src=\"https:\/\/moldiecasting.com\/wp-content\/uploads\/2026\/07\/four-core-pins-in-die-casting-mold.jpg\" alt=\"\u0160tyri jadrov\u00e9 kol\u00edky formy na tlakov\u00e9 liatie\" width=\"800\" height=\"450\" srcset=\"https:\/\/moldiecasting.com\/wp-content\/uploads\/2026\/07\/four-core-pins-in-die-casting-mold.jpg 800w, https:\/\/moldiecasting.com\/wp-content\/uploads\/2026\/07\/four-core-pins-in-die-casting-mold-300x169.jpg 300w, https:\/\/moldiecasting.com\/wp-content\/uploads\/2026\/07\/four-core-pins-in-die-casting-mold-768x432.jpg 768w, https:\/\/moldiecasting.com\/wp-content\/uploads\/2026\/07\/four-core-pins-in-die-casting-mold-600x338.jpg 600w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><\/p>\n<h3 class=\"mt-6 mb-2 font-semibold text-xl\" data-streamdown=\"heading-3\">Geometria a pomer L\/D<\/h3>\n<p>Pomer d\u013a\u017eky a priemeru (L\/D) je najd\u00f4le\u017eitej\u0161\u00edm geometrick\u00fdm obmedzen\u00edm. Dlh\u00e9 a tenk\u00e9 jadr\u00e1 sa pod vstrekovac\u00edm tlakom preh\u00fdbaj\u00fa; pri vysokom pomere L\/D m\u00f4\u017ee d\u00f4js\u0165 k trval\u00e9mu ohnutiu alebo n\u00e1hlemu zlomeniu. Prakticky plat\u00ed, \u017ee pri pomere L\/D nad 6:1 treba doplni\u0165 podopretie, napr\u00edklad vodiace puzdr\u00e1, zv\u00e4\u010d\u0161i\u0165 priemer jadra alebo zn\u00ed\u017ei\u0165 r\u00fdchlos\u0165 plnenia.<\/p>\n<h3 class=\"mt-6 mb-2 font-semibold text-xl\" data-streamdown=\"heading-3\">\u00dakos, odvzdu\u0161nenie a plnenie<\/h3>\n<p>\u00dakos jadra (zvy\u010dajne 0.5 a\u017e 1.0 stup\u0148a) zni\u017euje vyhadzovaciu silu a u\u013eah\u010duje uvo\u013enenie odliatku. Pr\u00fadenie kovu okolo jadra vytv\u00e1ra zvarov\u00fa \u010diaru v mieste stretnutia dvoch pr\u00fadov;\u00a0<span style=\"color: #3366ff;\"><a class=\"wrap-anywhere font-medium text-primary underline\" style=\"color: #3366ff;\" href=\"https:\/\/moldiecasting.com\/sk\/blog\/mold-flow-analysis-essential-insights-for-die-casting-success\/\" target=\"_blank\" rel=\"noopener noreferrer\" data-incomplete=\"false\" data-streamdown=\"link\">anal\u00fdza toku kovu vo forme<\/a><\/span>\u00a0m\u00f4\u017ee pred v\u00fdrobou formy potvrdi\u0165, \u010di je poloha zvarovej \u010diary prijate\u013en\u00e1. Odvzdu\u0161nenie pri prvkoch vytvoren\u00fdch jadrom zabra\u0148uje zachyteniu vzduchu a p\u00f3rovitosti. T\u00fato funkciu m\u00f4\u017eu plni\u0165 aj mal\u00e9 odvzdu\u0161\u0148ovacie dr\u00e1\u017eky, ak s\u00fa vhodne umiestnen\u00e9 v\u00a0<span style=\"color: #3366ff;\"><a class=\"wrap-anywhere font-medium text-primary underline\" style=\"color: #3366ff;\" href=\"https:\/\/moldiecasting.com\/sk\/blog\/tooling-in-manufacturing-for-die-casting-from-mold-build-to-production-parts\/\" target=\"_blank\" rel=\"noopener noreferrer\" data-incomplete=\"false\" data-streamdown=\"link\">kon\u0161trukcii formy<\/a><\/span>.<\/p>\n<h3 class=\"mt-6 mb-2 font-semibold text-xl\" data-streamdown=\"heading-3\">\u00dapravy pod\u013ea zliatiny<\/h3>\n<p>Hlin\u00edk sa vstrekuje vysokou r\u00fdchlos\u0165ou a pri vysokej teplote, preto jadr\u00e1 potrebuj\u00fa vy\u0161\u0161iu tvrdos\u0165, povlaky odoln\u00e9 proti er\u00f3zii a vn\u00fatorn\u00e9 chladenie. Zinok sa sprac\u00fava pri ni\u017e\u0161\u00edch teplot\u00e1ch, \u010do zni\u017euje tepeln\u00fd \u0161ok, no jeho sklon k nalepovaniu kovu kladie vysok\u00e9 n\u00e1roky na povrch jadra. Hor\u010d\u00edkov\u00e9 zliatiny s\u00fa \u013eah\u0161ie, ale sprac\u00favaj\u00fa sa pri zv\u00fd\u0161en\u00fdch teplot\u00e1ch; tenkostenn\u00e9 diely \u010dasto vy\u017eaduj\u00fa \u00fazke jadr\u00e1, \u010d\u00edm rastie pomer L\/D a v\u00fdznam spr\u00e1vneho podopretia.<\/p>\n<h2 class=\"mt-6 mb-2 font-semibold text-2xl\" data-streamdown=\"heading-2\">Materi\u00e1ly, tvrdos\u0165 a povrchov\u00e1 \u00faprava<\/h2>\n<p>V\u00fdber ocele, tepeln\u00e9ho spracovania a povlaku ur\u010duje \u017eivotnos\u0165 jadra a to, \u010di sa opakovane objav\u00ed nalepovanie kovu alebo er\u00f3zia. Konfigur\u00e1cie odpor\u00fa\u010dan\u00e9 dod\u00e1vate\u013emi materi\u00e1lov ukazuj\u00fa, ak\u00fd v\u00fdznam m\u00e1 v\u00fdber materi\u00e1lu pre \u017eivotnos\u0165 n\u00e1stroja.<\/p>\n<h3 class=\"mt-6 mb-2 font-semibold text-xl\" data-streamdown=\"heading-3\">N\u00e1strojov\u00e9 ocele a tepeln\u00e1 odolnos\u0165<\/h3>\n<p><span style=\"color: #3366ff;\"><a class=\"wrap-anywhere font-medium text-primary underline\" style=\"color: #3366ff;\" href=\"https:\/\/moldiecasting.com\/sk\/blog\/tool-steel-for-die-casting-mold-die-steel-properties-and-selection\/\" target=\"_blank\" rel=\"noopener noreferrer\" data-incomplete=\"false\" data-streamdown=\"link\">n\u00e1strojov\u00e1 oce\u013e H13<\/a><\/span>\u00a0je najpou\u017e\u00edvanej\u0161\u00edm materi\u00e1lom na jadr\u00e1. Pon\u00faka vyv\u00e1\u017een\u00fa kombin\u00e1ciu tvrdosti za tepla, odolnosti proti tepelnej \u00fanave a h\u00fa\u017eevnatosti, ktor\u00e1 vyhovuje aplik\u00e1ci\u00e1m s hlin\u00edkom aj zinkom. Cie\u013eov\u00e1 tvrdos\u0165 sa zvy\u010dajne pohybuje v rozmedz\u00ed 44 a\u017e 52 HRC. Rovnomernos\u0165 tepeln\u00e9ho spracovania je rovnako d\u00f4le\u017eit\u00e1 ako cie\u013eov\u00e1 tvrdos\u0165; nerovnomern\u00e9 prekalenie cel\u00e9ho prierezu zvy\u0161uje riziko poruchy jadra.<\/p>\n<h3 class=\"mt-6 mb-2 font-semibold text-xl\" data-streamdown=\"heading-3\">Chladenie a \u0161peci\u00e1lne kon\u0161trukcie<\/h3>\n<p>\u0160tandardn\u00e9 pln\u00e9 jadr\u00e1 sa pri opakovan\u00fdch cykloch zahrievaj\u00fa, \u010d\u00edm rastie riziko nalepovania kovu. Chladen\u00e9 jadr\u00e1 vyu\u017e\u00edvaj\u00fa vn\u00fatorn\u00fa r\u00farku alebo vyv\u0155tan\u00fd kan\u00e1l na cirkul\u00e1ciu vody \u010di oleja, \u010do predl\u017euje ich \u017eivotnos\u0165 v n\u00e1ro\u010dn\u00fdch aplik\u00e1ci\u00e1ch. \u0160peci\u00e1lne jadr\u00e1 s vlo\u017ekami z ber\u00fdliovej medi zlep\u0161uj\u00fa prenos tepla v miestach, kam nedosiahnu vodn\u00e9 chladiace kan\u00e1ly.<\/p>\n<h3 class=\"mt-6 mb-2 font-semibold text-xl\" data-streamdown=\"heading-3\">Povlaky a povrchov\u00e1 \u00faprava<\/h3>\n<p>PVD povlaky (CrN, TiAlN, AlCrN) zvy\u0161uj\u00fa povrchov\u00fa tvrdos\u0165, zni\u017euj\u00fa trenie a vytv\u00e1raj\u00fa bari\u00e9ru proti nalepovaniu kovu a er\u00f3zii. Nitridovanie vytv\u00e1ra vytvrden\u00fa dif\u00faznu vrstvu, ktor\u00e1 zvy\u0161uje odolnos\u0165 proti opotrebovaniu; dobre sa osved\u010duje pri zinku a pri mierne nam\u00e1han\u00fdch hlin\u00edkov\u00fdch aplik\u00e1ci\u00e1ch.<\/p>\n<h2 class=\"mt-6 mb-2 font-semibold text-2xl\" data-streamdown=\"heading-2\">Be\u017en\u00e9 poruchy a prevent\u00edvna \u00fadr\u017eba<\/h2>\n<p>Ke\u010f kon\u0161truk\u010dn\u00fd a \u00fadr\u017eb\u00e1rsky t\u00edm rozumie tomu, ako a pre\u010do jadr\u00e1 zlyh\u00e1vaj\u00fa, m\u00f4\u017ee nastavi\u0165 pl\u00e1ny a procesn\u00e9 kontroly, ktor\u00e9 udr\u017eia v\u00fdrobu stabiln\u00fa.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-2261\" src=\"https:\/\/moldiecasting.com\/wp-content\/uploads\/2026\/07\/a-CMM-machine-checking-for-defects-in-die-casting-parts.jpg\" alt=\"S\u00faradnicov\u00fd merac\u00ed stroj kontroluje chyby v tlakovo liatych dieloch\" width=\"800\" height=\"450\" srcset=\"https:\/\/moldiecasting.com\/wp-content\/uploads\/2026\/07\/a-CMM-machine-checking-for-defects-in-die-casting-parts.jpg 800w, https:\/\/moldiecasting.com\/wp-content\/uploads\/2026\/07\/a-CMM-machine-checking-for-defects-in-die-casting-parts-300x169.jpg 300w, https:\/\/moldiecasting.com\/wp-content\/uploads\/2026\/07\/a-CMM-machine-checking-for-defects-in-die-casting-parts-768x432.jpg 768w, https:\/\/moldiecasting.com\/wp-content\/uploads\/2026\/07\/a-CMM-machine-checking-for-defects-in-die-casting-parts-600x338.jpg 600w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><\/p>\n<h3 class=\"mt-6 mb-2 font-semibold text-xl\" data-streamdown=\"heading-3\">Zlomenie, er\u00f3zia a tepeln\u00e1 \u00fanava<\/h3>\n<p>Jadro sa zlom\u00ed, ke\u010f nap\u00e4tie v ohybe prekro\u010d\u00ed jeho pevnos\u0165 v \u0165ahu. Zl\u00e9 s\u00faosov\u00e9 nastavenie probl\u00e9m zhor\u0161uje: opotrebovan\u00edm vodiacich st\u013apikov sa poloha jadra men\u00ed a vstrekovac\u00ed tlak za\u010dne p\u00f4sobi\u0165 na drieku jadra ako bo\u010dn\u00e9 za\u0165a\u017eenie. Kombin\u00e1cia t\u00fdchto faktorov m\u00f4\u017ee znemo\u017eni\u0165 \u00fadr\u017ebu n\u00e1stroja pri\u00a0<a class=\"wrap-anywhere font-medium text-primary underline\" href=\"https:\/\/moldiecasting.com\/sk\/blog\/an-overview-of-automated-die-casting-service-fast-precise\/\" target=\"_blank\" rel=\"noopener noreferrer\" data-incomplete=\"false\" data-streamdown=\"link\">ve\u013ekos\u00e9riovej v\u00fdrobe<\/a>. Er\u00f3zia vznik\u00e1, ke\u010f vysokor\u00fdchlostn\u00fd kov obrusuje povrch jadra; tepeln\u00e1 \u00fanava zase vedie k sie\u0165ov\u00fdm trhlin\u00e1m po opakovanom r\u00fdchlom zahrievan\u00ed a chladen\u00ed.<\/p>\n<h3 class=\"mt-6 mb-2 font-semibold text-xl\" data-streamdown=\"heading-3\">Pl\u00e1novanie prevent\u00edvnej \u00fadr\u017eby<\/h3>\n<p>Reakt\u00edvna \u00fadr\u017eba je n\u00e1kladn\u00e1. Sledovanie stavu jadra pri ka\u017edej pl\u00e1novanej kontrole formy \u2013 vr\u00e1tane merania ulo\u017eenia,\u00a0<a class=\"wrap-anywhere font-medium text-primary underline\" href=\"https:\/\/moldiecasting.com\/sk\/blog\/porosity-detection-in-die-casting-methods-and-solutions\/\" target=\"_blank\" rel=\"noopener noreferrer\" data-incomplete=\"false\" data-streamdown=\"link\">stavu povrchu<\/a> a priamosti \u2013 poskytuje t\u00edmu \u00fadaje potrebn\u00e9 na napl\u00e1novanie v\u00fdmeny sk\u00f4r, ne\u017e d\u00f4jde k poruche.<\/p>\n<h2 class=\"mt-6 mb-2 font-semibold text-2xl\" data-streamdown=\"heading-2\">Kontrola, tolerancie a kvalita<\/h2>\n<p>Rozmerov\u00e1 kontrola odliatkov\u00fdch prvkov vytvoren\u00fdch jadrami mus\u00ed overi\u0165 stav jadra aj presnos\u0165 n\u00edm vytvorenej geometrie.<\/p>\n<h3 class=\"mt-6 mb-2 font-semibold text-xl\" data-streamdown=\"heading-3\">Rozmerov\u00e9 kontroly<\/h3>\n<p>Priemer, kruhovitos\u0165 a d\u013a\u017eku jadra treba pravidelne overova\u0165. Opotrebovan\u00e9 jadro m\u00f4\u017ee sp\u00f4sobi\u0165, \u017ee priemer v\u00fdsledn\u00e9ho otvoru prekro\u010d\u00ed z\u00e1kazn\u00edkom ur\u010den\u00e9\u00a0<a class=\"wrap-anywhere font-medium text-primary underline\" href=\"https:\/\/moldiecasting.com\/sk\/blog\/casting-quality-control-essential-steps-for-metal-casting\/\" target=\"_blank\" rel=\"noopener noreferrer\" data-incomplete=\"false\" data-streamdown=\"link\">toleran\u010dn\u00e9 p\u00e1smo<\/a>\u00a0. Pred uvo\u013enen\u00edm v\u00fdroby sa m\u00e1 pri prvotnej kontrole odliatku porovna\u0165 geometria vytvoren\u00e1 jadrom s v\u00fdkresom dielu, a to pomocou kalibrovan\u00fdch meradiel alebo \u00fadajov z CMM.<\/p>\n<h3 class=\"mt-6 mb-2 font-semibold text-xl\" data-streamdown=\"heading-3\">Pokro\u010dil\u00e9 overovanie (CMM a r\u00f6ntgen)<\/h3>\n<p>S\u00faradnicov\u00e9 meracie stroje (CMM) overuj\u00fa polohu a priemer otvorov. R\u00f6ntgenov\u00e1 kontrola je obzvl\u00e1\u0161\u0165 u\u017eito\u010dn\u00e1 na zistenie zmra\u0161\u0165ovacej p\u00f3rovitosti v sten\u00e1ch pri prvku vytvorenom jadrom. Pos\u00fadenie schopnost\u00ed dod\u00e1vate\u013ea v oblasti n\u00e1strojov zah\u0155\u0148a riadny postup valid\u00e1cie: \u00favodn\u00fa rozmerov\u00fa kontrolu, pos\u00fadenie prv\u00e9ho odliatku a \u0161t\u00fadiu sp\u00f4sobilosti procesu. Zdokumentovan\u00e9 d\u00f4kazy o zhode s\u00fa po\u017eiadavkou programu na stabiln\u00fa v\u00fdrobu.<\/p>\n<h2 class=\"mt-6 mb-2 font-semibold text-2xl\" data-streamdown=\"heading-2\">Optimalizujte svoje n\u00e1stroje s Moldie<\/h2>\n<p>Pri v\u00fdrobe\u00a0<span class=\"font-semibold\" data-streamdown=\"strong\">zlo\u017eit\u00fdch geometri\u00ed<\/span>\u00a0 alebo dielov s komplikovan\u00fdmi\u00a0<span class=\"font-semibold\" data-streamdown=\"strong\">vn\u00fatorn\u00fdmi prvkami<\/span>, ved\u00fa \u0161tandardn\u00e9 rie\u0161enia \u010dasto k pred\u010dasn\u00e9mu\u00a0<span class=\"font-semibold\" data-streamdown=\"strong\">opotrebovaniu<\/span>\u00a0 a n\u00e1kladn\u00fdm\u00a0<span class=\"font-semibold\" data-streamdown=\"strong\">prestojom<\/span>. V Moldie sa \u0161pecializujeme na komplexn\u00fd n\u00e1vrh\u00a0<span style=\"color: #3366ff;\"><a class=\"wrap-anywhere font-medium text-primary underline\" style=\"color: #3366ff;\" href=\"https:\/\/moldiecasting.com\/sk\/die-casting-mold-design\/\" target=\"_blank\" rel=\"noopener noreferrer\" data-incomplete=\"false\" data-streamdown=\"link\">foriem na tlakov\u00e9 liatie<\/a><\/span>\u00a0 a ich <span style=\"color: #3366ff;\"><a style=\"color: #3366ff;\" href=\"https:\/\/moldiecasting.com\/sk\/die-casting-dies\/\">presn\u00fa v\u00fdrobu<\/a><\/span>.<\/p>\n<p style=\"text-align: left;\">\u010ci potrebujete na mieru kovan\u00e9 jadr\u00e1 z ocele H13, ktor\u00e9 odolaj\u00fa extr\u00e9mnym teplot\u00e1m a tlakom, alebo odborn\u00e9 poradenstvo pri v\u00fdbere materi\u00e1lu na zaistenie \u0161truktur\u00e1lnej integrity odliatku, n\u00e1\u0161 t\u00edm podpor\u00ed va\u0161e ve\u013ekos\u00e9riov\u00e9 v\u00fdrobn\u00e9 procesy. Pom\u00e1hame kon\u0161trukt\u00e9rom optimalizova\u0165 ka\u017ed\u00fd n\u00e1stroj a dutinu tak, aby sa maximalizovala \u017eivotnos\u0165 a zachovala pr\u00edsna rozmerov\u00e1 presnos\u0165.<\/p>\n<p>Chcete zlep\u0161i\u0165 n\u00e1stroje pre svoje\u00a0<span class=\"font-semibold\" data-streamdown=\"strong\">aplik\u00e1cie tlakov\u00e9ho liatia<\/span>? Pozrite si\u00a0<span style=\"color: #3366ff;\"><a class=\"wrap-anywhere font-medium text-primary underline\" style=\"color: #3366ff;\" href=\"https:\/\/moldiecasting.com\/sk\/how-we-work\/\" target=\"_blank\" rel=\"noopener noreferrer\" data-incomplete=\"false\" data-streamdown=\"link\">ako pracujeme<\/a><\/span>\u00a0 alebo n\u00e1s kontaktujte a za\u010dnite optimalizova\u0165 svoj \u010fal\u0161\u00ed projekt.<\/p>\n<h2>\u010casto kladen\u00e9 ot\u00e1zky<\/h2>\n<h3 class=\"mt-6 mb-2 font-semibold text-xl\" data-streamdown=\"heading-3\">Kedy pou\u017ei\u0165 jadr\u00e1 na mieru namiesto \u0161tandardn\u00fdch jadier?<\/h3>\n<p>Jadr\u00e1 na mieru pou\u017eite\u00a0<span class=\"font-semibold\" data-streamdown=\"strong\">vtedy<\/span>\u00a0ke\u010f m\u00e1te\u00a0<span class=\"font-semibold\" data-streamdown=\"strong\">tenk\u00e9 steny<\/span>,\u00a0<span class=\"font-semibold\" data-streamdown=\"strong\">zlo\u017eit\u00e9 geometrie<\/span>, pr\u00edsne\u00a0<span class=\"font-semibold\" data-streamdown=\"strong\">po\u017eiadavky na \u0161pecifik\u00e1cie<\/span>\u00a0 alebo potrebujete optimalizova\u0165\u00a0<span class=\"font-semibold\" data-streamdown=\"strong\">tvar a rozmery<\/span>\u00a0 na zn\u00ed\u017eenie\u00a0<span class=\"font-semibold\" data-streamdown=\"strong\">rizika ch\u00fdb<\/span>\u00a0 a zlep\u0161enie\u00a0<span class=\"font-semibold\" data-streamdown=\"strong\">rozmerovej presnosti<\/span>.<\/p>\n<h3 class=\"mt-6 mb-2 font-semibold text-xl\" data-streamdown=\"heading-3\">Ak\u00e9 praktick\u00e9 odpor\u00fa\u010danie plat\u00ed pre pomer L\/D oce\u013eov\u00fdch jadier?<\/h3>\n<p>Orienta\u010dne plat\u00ed, \u017ee pri L\/D &gt; 6:1 prudko rastie riziko priehybu a zvy\u010dajne treba doplni\u0165 podopretie, zv\u00e4\u010d\u0161i\u0165 priemer alebo zn\u00ed\u017ei\u0165 miestny <span class=\"font-semibold\" data-streamdown=\"strong\">tlak<\/span>\u00a0 a r\u00fdchlos\u0165 plnenia.<\/p>\n<h3 class=\"mt-6 mb-2 font-semibold text-xl\" data-streamdown=\"heading-3\">Ako s\u00favisia jadr\u00e1 s probl\u00e9mami vyhadzovac\u00edch kol\u00edkov?<\/h3>\n<p>Ak jadro a\u00a0<span class=\"font-semibold\" data-streamdown=\"strong\">vyhadzovac\u00ed kol\u00edk<\/span>\u00a0nie s\u00fa spr\u00e1vne zos\u00faladen\u00e9, odliatok sa m\u00f4\u017ee pri vyhadzovan\u00ed zasekn\u00fa\u0165, \u010do sp\u00f4sob\u00ed stopy, ohnutie alebo zr\u00fdchlen\u00e9 opotrebovanie a zn\u00ed\u017ei produktivitu aj \u017eivotnos\u0165 n\u00e1stroja.<\/p>\n<h3 class=\"mt-6 mb-2 font-semibold text-xl\" data-streamdown=\"heading-3\">Ktor\u00e9 kontroly v\u010das odhalia probl\u00e9my s\u00favisiace s jadrom?<\/h3>\n<p>Pravideln\u00e1 kontrola priemeru a priamosti jadra spolu s CMM meran\u00edm rozmerov a polohy otvoru pom\u00e1ha odhali\u0165 probl\u00e9my; r\u00f6ntgen m\u00f4\u017ee zachyti\u0165 p\u00f3rovitos\u0165 pri\u00a0<span class=\"font-semibold\" data-streamdown=\"strong\">jadre odliatku<\/span>\u00a0 e\u0161te predt\u00fdm, ne\u017e sa prejav\u00ed v prev\u00e1dzke.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Jadr\u00e1 s\u00fa mal\u00e9 komponenty vo forme na tlakov\u00e9 liatie. Vytv\u00e1raj\u00fa otvory, dr\u00e1\u017eky a vn\u00fatorn\u00e9 dutiny, ktor\u00e9 ur\u010duj\u00fa funkciu dielu; ich geometria, materi\u00e1l a umiestnenie ovplyv\u0148uj\u00fa plnenie, spo\u013eahliv\u00e9 vyhadzovanie,\u00a0rozmerov\u00fa presnos\u0165, ako aj \u017eivotnos\u0165 n\u00e1stroja po\u010das ka\u017edej v\u00fdrobnej s\u00e9rie. Tento \u010dl\u00e1nok vysvet\u013euje, ako n\u00e1vrh jadier s\u00favis\u00ed s v\u00fdberom zliatiny, chladen\u00edm, poruchami a kontroln\u00fdmi postupmi, a pon\u00faka kon\u0161truk\u010dn\u00fdm [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":18664,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_seopress_titles_title":"Jadro vo forme na tlakov\u00e9 liatie: kon\u0161trukcia, materi\u00e1ly a v\u00fdkon","_seopress_titles_desc":"Zistite, ako n\u00e1vrh jadra ovplyv\u0148uje kvalitu, \u017eivotnos\u0165 a efektivitu tlakov\u00e9ho liatia. Praktick\u00e9 rady k materi\u00e1lom, chladeniu, prevencii por\u00fach a kontrole.","_seopress_robots_index":"","_seopress_robots_follow":"","_seopress_robots_imageindex":"","_seopress_robots_snippet":"","_seopress_robots_primary_cat":"","_seopress_robots_breadcrumbs":"","_seopress_robots_freeze_modified_date":"","_seopress_robots_custom_modified_date":"","_seopress_robots_canonical":"","_seopress_social_fb_title":"","_seopress_social_fb_desc":"","_seopress_social_fb_img":"","_seopress_social_fb_img_attachment_id":0,"_seopress_social_fb_img_width":0,"_seopress_social_fb_img_height":0,"_seopress_social_twitter_title":"","_seopress_social_twitter_desc":"","_seopress_social_twitter_img":"","_seopress_social_twitter_img_attachment_id":0,"_seopress_social_twitter_img_width":0,"_seopress_social_twitter_img_height":0,"_seopress_redirections_value":"","_seopress_redirections_enabled":"","_seopress_redirections_enabled_regex":"","_seopress_redirections_logged_status":"","_seopress_redirections_param":"","_seopress_redirections_type":0,"_seopress_analysis_target_kw":"","_seopress_news_disabled":"","_seopress_video_disabled":"","_seopress_video":[],"_seopress_pro_schemas_manual":[],"_seopress_pro_rich_snippets_disable_all":"","_seopress_pro_rich_snippets_disable":[],"_seopress_pro_schemas":[],"iawp_total_views":223,"footnotes":""},"categories":[189],"tags":[],"class_list":["post-18214","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog"],"acf":[],"_links":{"self":[{"href":"https:\/\/moldiecasting.com\/sk\/wp-json\/wp\/v2\/posts\/18214","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/moldiecasting.com\/sk\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/moldiecasting.com\/sk\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/moldiecasting.com\/sk\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/moldiecasting.com\/sk\/wp-json\/wp\/v2\/comments?post=18214"}],"version-history":[{"count":5,"href":"https:\/\/moldiecasting.com\/sk\/wp-json\/wp\/v2\/posts\/18214\/revisions"}],"predecessor-version":[{"id":20614,"href":"https:\/\/moldiecasting.com\/sk\/wp-json\/wp\/v2\/posts\/18214\/revisions\/20614"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/moldiecasting.com\/sk\/wp-json\/wp\/v2\/media\/18664"}],"wp:attachment":[{"href":"https:\/\/moldiecasting.com\/sk\/wp-json\/wp\/v2\/media?parent=18214"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/moldiecasting.com\/sk\/wp-json\/wp\/v2\/categories?post=18214"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/moldiecasting.com\/sk\/wp-json\/wp\/v2\/tags?post=18214"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}