{"id":23483,"date":"2024-11-28T17:35:24","date_gmt":"2024-11-28T09:35:24","guid":{"rendered":"https:\/\/moldiecasting.com\/?p=23483"},"modified":"2026-10-09T02:21:29","modified_gmt":"2026-10-08T18:21:29","slug":"gravity-die-casting","status":"publish","type":"post","link":"https:\/\/moldiecasting.com\/cs\/blog\/gravity-die-casting\/","title":{"rendered":"Kompletn\u00ed pr\u016fvodce gravita\u010dn\u00edm lit\u00edm do kovov\u00e9 formy: proces, materi\u00e1ly, v\u00fdhody, pou\u017eit\u00ed a n\u00e1kladov\u00e9 faktory"},"content":{"rendered":"<p>Pro in\u017een\u00fdry a n\u00e1kupn\u00ed mana\u017eery, kte\u0159\u00ed posuzuj\u00ed <a href=\"https:\/\/moldiecasting.com\/cs\/blog\/die-casting-process-materials-and-tooling-die-design-overview\/\">tlakov\u00e9 lit\u00ed<\/a> d\u00edl\u016f ve st\u0159edn\u00edch a\u017e vysok\u00fdch objemech, p\u0159edstavuje gravita\u010dn\u00ed lit\u00ed do kovov\u00e9 formy praktick\u00fd kompromis. Vyva\u017euje investice do n\u00e1stroj\u016f, rozm\u011brovou p\u0159esnost, povrchovou \u00fapravu a integritu d\u00edlu.<\/p>\n<p>V tomto blogu prozkoum\u00e1me proces a materi\u00e1ly gravita\u010dn\u00edho lit\u00ed do kovov\u00e9 formy a p\u0159edev\u0161\u00edm jeho v\u00fdhody, omezen\u00ed a n\u00e1kladov\u00e9 faktory.<\/p>\n<h2>Obsah<\/h2>\n<p><span style=\"text-decoration: underline;\">[Kliknut\u00edm na n\u00ed\u017ee uveden\u00fd n\u00e1zev p\u0159ejdete na p\u0159\u00edslu\u0161nou \u010d\u00e1st blogu.]<\/span><\/p>\n<ul>\n<li><span style=\"color: #3366ff;\"><a style=\"color: #3366ff;\" href=\"#gravity-die-casting-process\">Proces gravita\u010dn\u00edho lit\u00ed do kovov\u00e9 formy<\/a><\/span><\/li>\n<li><span style=\"color: #3366ff;\"><a style=\"color: #3366ff;\" href=\"#gravity-die-casting-materials\">Materi\u00e1ly<\/a><\/span><\/li>\n<li><span style=\"color: #3366ff;\"><a style=\"color: #3366ff;\" href=\"#advantages-and-limits\">V\u00fdhody a omezen\u00ed<\/a><\/span><\/li>\n<li><span style=\"color: #3366ff;\"><a style=\"color: #3366ff;\" href=\"#gravity-die-casting-products\">Pou\u017eit\u00ed a v\u00fdrobky<\/a><\/span><\/li>\n<li><span style=\"color: #3366ff;\"><a style=\"color: #3366ff;\" href=\"#cost-calculation\">V\u00fdpo\u010det n\u00e1klad\u016f<\/a><\/span><\/li>\n<li><span style=\"color: #3366ff;\"><a style=\"color: #3366ff;\" href=\"#manufacturing-partner\">V\u00fdb\u011br v\u00fdrobn\u00edho partnera pro cel\u00fd proces<\/a><\/span><\/li>\n<\/ul>\n<h2><a id=\"gravity-die-casting-process\"><\/a>Jak prob\u00edh\u00e1 gravita\u010dn\u00ed lit\u00ed do kovov\u00e9 formy<\/h2>\n<p>Proces gravita\u010dn\u00edho lit\u00ed se skl\u00e1d\u00e1 z p\u0159esn\u011b stanoven\u00fdch krok\u016f a rozhodnut\u00ed v ka\u017ed\u00e9 f\u00e1zi p\u0159\u00edmo ovliv\u0148uj\u00ed kvalitu odlitku, rozm\u011brovou p\u0159esnost i po\u017eadavky na n\u00e1sledn\u00e9 zpracov\u00e1n\u00ed.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-2033\" src=\"https:\/\/moldiecasting.com\/wp-content\/uploads\/2026\/07\/Aluminum-Gravity-Die-casting-Part-assembly-in-machine-parts.jpg\" alt=\"sestava hlin\u00edkov\u00fdch d\u00edl\u016f z gravita\u010dn\u00edho tlakov\u00e9ho lit\u00ed ve strojn\u00edch sou\u010d\u00e1stech\" width=\"1600\" height=\"900\" srcset=\"https:\/\/moldiecasting.com\/wp-content\/uploads\/2026\/07\/Aluminum-Gravity-Die-casting-Part-assembly-in-machine-parts.jpg 1600w, https:\/\/moldiecasting.com\/wp-content\/uploads\/2026\/07\/Aluminum-Gravity-Die-casting-Part-assembly-in-machine-parts-300x169.jpg 300w, https:\/\/moldiecasting.com\/wp-content\/uploads\/2026\/07\/Aluminum-Gravity-Die-casting-Part-assembly-in-machine-parts-1024x576.jpg 1024w, https:\/\/moldiecasting.com\/wp-content\/uploads\/2026\/07\/Aluminum-Gravity-Die-casting-Part-assembly-in-machine-parts-768x432.jpg 768w, https:\/\/moldiecasting.com\/wp-content\/uploads\/2026\/07\/Aluminum-Gravity-Die-casting-Part-assembly-in-machine-parts-1536x864.jpg 1536w, https:\/\/moldiecasting.com\/wp-content\/uploads\/2026\/07\/Aluminum-Gravity-Die-casting-Part-assembly-in-machine-parts-600x338.jpg 600w\" sizes=\"auto, (max-width: 1600px) 100vw, 1600px\" \/><\/p>\n<h3>P\u0159\u00edprava formy a jej\u00ed povlakov\u00e1n\u00ed<\/h3>\n<p>P\u0159ed zah\u00e1jen\u00edm v\u00fdroby se forma p\u0159edeh\u0159eje na \u0159\u00edzenou teplotu, obvykle mezi 150 a 300 stupni Celsia podle pou\u017eit\u00e9 slitiny.<\/p>\n<p>P\u0159edeh\u0159\u00e1t\u00ed odstran\u00ed chladn\u00e1 m\u00edsta v dutin\u011b, kter\u00e1 by jinak zp\u016fsobila p\u0159ed\u010dasn\u00e9 tuhnut\u00ed a nedokonal\u00e9 vypln\u011bn\u00ed.<\/p>\n<p>Po p\u0159edeh\u0159\u00e1t\u00ed se na povrch dutiny nanese \u017e\u00e1ruvzdorn\u00fd povlak nebo separa\u010dn\u00ed prost\u0159edek. Tento povlak m\u00e1 dv\u011b funkce:<\/p>\n<ul>\n<li>Umo\u017e\u0148uje \u010dist\u00e9 vyjmut\u00ed hotov\u00e9ho odlitku bez po\u0161kozen\u00ed povrchu<\/li>\n<li>Chr\u00e1n\u00ed ocel formy p\u0159ed eroz\u00ed zp\u016fsobenou opakovan\u00fdm kontaktem s roztaven\u00fdm kovem<\/li>\n<\/ul>\n<p>Tlou\u0161\u0165ka a typ povlaku ovliv\u0148uj\u00ed jak povrchovou \u00fapravu, tak rychlost p\u0159enosu tepla b\u011bhem tuhnut\u00ed.<\/p>\n<p>V t\u00e9to f\u00e1zi se tak\u00e9 nastavuje odvzdu\u0161n\u011bn\u00ed. Mal\u00e9 odvzdu\u0161\u0148ovac\u00ed kan\u00e1lky um\u00edst\u011bn\u00e9 v d\u011bl\u00edc\u00ed rovin\u011b formy a v m\u00edstech n\u00e1chyln\u00fdch k zachycov\u00e1n\u00ed vzduchu umo\u017e\u0148uj\u00ed jeho \u00fanik p\u0159i pln\u011bn\u00ed dutiny kovem.<\/p>\n<h3>Nal\u00e9v\u00e1n\u00ed roztaven\u00e9ho kovu vtokovou soustavou<\/h3>\n<p>Roztaven\u00fd kov se pot\u00e9 z lic\u00ed p\u00e1nve nal\u00e9v\u00e1 do vtokov\u00e9 soustavy, kter\u00e1 jej prost\u0159ednictv\u00edm lic\u00edho syst\u00e9mu p\u0159iv\u00e1d\u00ed do dutiny formy.<\/p>\n<p>Geometrie rozv\u00e1d\u011bc\u00edch kan\u00e1l\u016f a vtok\u016f ur\u010duje rychlost proud\u011bn\u00ed, sm\u011br pln\u011bn\u00ed i m\u00edru turbulence kovu p\u0159i vstupu do dutiny.<\/p>\n<p>Do konstrukce formy se \u010dasto za\u010dle\u0148uj\u00ed n\u00e1litky, kter\u00e9 b\u011bhem tuhnut\u00ed dopl\u0148uj\u00ed smr\u0161\u0165uj\u00edc\u00ed se kov a br\u00e1n\u00ed vzniku sta\u017eenin v siln\u00fdch pr\u016f\u0159ezech.<\/p>\n<h3>Tuhnut\u00ed, chlazen\u00ed a vyjmut\u00ed odlitku<\/h3>\n<p>Po napln\u011bn\u00ed dutiny za\u010dne kov tuhnout. Chlazen\u00ed za\u010d\u00edn\u00e1 u st\u011bn formy, kde se teplo odv\u00e1d\u00ed nejrychleji, a postupuje sm\u011brem dovnit\u0159.<\/p>\n<p>Doba chlazen\u00ed se li\u0161\u00ed podle tlou\u0161\u0165ky st\u011bny, slitiny a teploty formy. Jakmile odlitek dostate\u010dn\u011b ztuhne, forma se otev\u0159e a vyhazovac\u00ed kol\u00edky vytla\u010d\u00ed d\u00edl z dutiny, ani\u017e by deformovaly dosud tepl\u00fd odlitek.<\/p>\n<h3>Ost\u0159i\u017een\u00ed, CNC obr\u00e1b\u011bn\u00ed a n\u00e1sledn\u00e9 zpracov\u00e1n\u00ed<\/h3>\n<p>Nejprve se odstran\u00ed p\u0159etok v d\u011bl\u00edc\u00ed rovin\u011b. Odlitky se n\u00e1sledn\u011b mohou obr\u00e1b\u011bt na CNC, aby vznikly prvky s \u00fazk\u00fdmi tolerancemi, nap\u0159\u00edklad otvory, z\u00e1vitov\u00e9 d\u00edry nebo dosedac\u00ed plochy, kter\u00e9 samotn\u00e1 forma nedok\u00e1\u017ee vytvo\u0159it.<\/p>\n<p>Podle po\u017eadavk\u016f na kone\u010dn\u00e9 pou\u017eit\u00ed d\u00edlu n\u00e1sleduj\u00ed povrchov\u00e9 \u00fapravy, nap\u0159\u00edklad trysk\u00e1n\u00ed, pr\u00e1\u0161kov\u00e9 lakov\u00e1n\u00ed, anodizace nebo lakov\u00e1n\u00ed.<\/p>\n<h2><a id=\"gravity-die-casting-materials\"><\/a>Materi\u00e1ly, slitiny a vlastnosti d\u00edl\u016f p\u0159i gravita\u010dn\u00edm lit\u00ed do kovov\u00e9 formy<\/h2>\n<p>Volba slitiny p\u0159i gravita\u010dn\u00edm lit\u00ed do kovov\u00e9 formy nen\u00ed druho\u0159ad\u00fdm rozhodnut\u00edm. Zvolen\u00fd odl\u00e9van\u00fd materi\u00e1l ovliv\u0148uje tekutost p\u0159i pln\u011bn\u00ed, pr\u016fb\u011bh tuhnut\u00ed, mechanick\u00e9 vlastnosti, povrchovou \u00fapravu i mo\u017enost tepeln\u00e9ho zpracov\u00e1n\u00ed po odlit\u00ed.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-2032\" src=\"https:\/\/moldiecasting.com\/wp-content\/uploads\/2026\/07\/aluminium-parts-made-by-gravity-casting-process.jpg\" alt=\"hlin\u00edkov\u00e9 d\u00edly vyroben\u00e9 metodou gravita\u010dn\u00edho lit\u00ed\" width=\"1600\" height=\"900\" srcset=\"https:\/\/moldiecasting.com\/wp-content\/uploads\/2026\/07\/aluminium-parts-made-by-gravity-casting-process.jpg 1600w, https:\/\/moldiecasting.com\/wp-content\/uploads\/2026\/07\/aluminium-parts-made-by-gravity-casting-process-300x169.jpg 300w, https:\/\/moldiecasting.com\/wp-content\/uploads\/2026\/07\/aluminium-parts-made-by-gravity-casting-process-1024x576.jpg 1024w, https:\/\/moldiecasting.com\/wp-content\/uploads\/2026\/07\/aluminium-parts-made-by-gravity-casting-process-768x432.jpg 768w, https:\/\/moldiecasting.com\/wp-content\/uploads\/2026\/07\/aluminium-parts-made-by-gravity-casting-process-1536x864.jpg 1536w, https:\/\/moldiecasting.com\/wp-content\/uploads\/2026\/07\/aluminium-parts-made-by-gravity-casting-process-600x338.jpg 600w\" sizes=\"auto, (max-width: 1600px) 100vw, 1600px\" \/><\/p>\n<h3>Gravita\u010dn\u00ed lit\u00ed hlin\u00edku do kovov\u00e9 formy pro konstruk\u010dn\u00ed a tepeln\u00e9 aplikace<\/h3>\n<p>Gravita\u010dn\u00ed lit\u00ed hlin\u00edku pat\u0159\u00ed mezi nejb\u011b\u017en\u011bj\u0161\u00ed gravita\u010dn\u00ed odl\u00e9vac\u00ed techniky z praktick\u00fdch d\u016fvod\u016f: n\u00edzk\u00e1 hustota, dobr\u00e1 tekutost, p\u0159im\u011b\u0159en\u00e1 tepeln\u00e1 vodivost a dobr\u00e9 mechanick\u00e9 vlastnosti po odlit\u00ed.<\/p>\n<p>Hlin\u00edkov\u00e9 slitiny tak\u00e9 dob\u0159e reaguj\u00ed na tepeln\u00e9 zpracov\u00e1n\u00ed, a proto se hod\u00ed pro konstruk\u010dn\u00ed d\u00edly a sou\u010d\u00e1sti pohonn\u00e9ho \u00fastroj\u00ed.<\/p>\n<p>Mezi b\u011b\u017en\u00e9 hlin\u00edkov\u00e9 slitiny pro gravita\u010dn\u00ed lit\u00ed do kovov\u00e9 formy pat\u0159\u00ed:<\/p>\n<div class=\"ds-virtual-list-items _6f2c522\">\n<div class=\"ds-virtual-list-visible-items\">\n<div class=\"_4f9bf79 d7dc56a8 _43c05b5\" data-virtual-list-item-key=\"4\">\n<div class=\"ds-message _63c77b1\">\n<div class=\"ds-markdown ds-assistant-message-main-content\">\n<div class=\"ds-scroll-area ds-scroll-area--show-on-focus-within ds-scroll-area--enabled _1210dd7 c03cafe9\">\n<table>\n<thead>\n<tr>\n<th><span class=\"\">Slitina<\/span><\/th>\n<th><span class=\"\">Kl\u00ed\u010dov\u00e9 vlastnosti<\/span><\/th>\n<th><span class=\"\">B\u011b\u017en\u00e9 pou\u017eit\u00ed<\/span><\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td><strong><span class=\"\">A356 \/ A356.2<\/span><\/strong><\/td>\n<td><span class=\"\">Vysok\u00fd pom\u011br pevnosti k hmotnosti, v\u00fdborn\u00e1 sl\u00e9vatelnost, dobr\u00e1 odolnost proti korozi, mo\u017enost tepeln\u00e9ho zpracov\u00e1n\u00ed do stavu T6.<\/span><\/td>\n<td><span class=\"\">Konstruk\u010dn\u00ed d\u00edly pro automobilov\u00fd a leteck\u00fd pr\u016fmysl.<\/span><\/td>\n<\/tr>\n<tr>\n<td><strong><span class=\"\">A380<\/span><\/strong><\/td>\n<td><span class=\"\">Dobr\u00e9 mechanick\u00e9 vlastnosti, dobr\u00e1 tekutost, st\u0159edn\u00ed pevnost a dobr\u00e1 obrobitelnost.<\/span><\/td>\n<td><span class=\"\">Univerz\u00e1ln\u00ed d\u00edly vy\u017eaduj\u00edc\u00ed st\u0159edn\u00ed pevnost a snadn\u00e9 obr\u00e1b\u011bn\u00ed.<\/span><\/td>\n<\/tr>\n<tr>\n<td><strong><span class=\"\">LM6 \/ Al-Si12<\/span><\/strong><\/td>\n<td><span class=\"\">Vynikaj\u00edc\u00ed odolnost proti korozi a v\u00fdborn\u00e1 ta\u017enost.<\/span><\/td>\n<td><span class=\"\">Prost\u0159ed\u00ed s mo\u0159skou vodou a venkovn\u00ed prost\u0159ed\u00ed.<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n<\/div>\n<div class=\"ds-flex _0a3d93b\"><\/div>\n<\/div>\n<\/div>\n<\/div>\n<p>Tepeln\u00e9 zpracov\u00e1n\u00ed, konkr\u00e9tn\u011b cyklus T6 zahrnuj\u00edc\u00ed rozpou\u0161t\u011bc\u00ed \u017e\u00edh\u00e1n\u00ed a n\u00e1sledn\u00e9 um\u011bl\u00e9 st\u00e1rnut\u00ed, lze pou\u017e\u00edt u n\u011bkolika t\u011bchto slitin a ve srovn\u00e1n\u00ed se stavem po odlit\u00ed v\u00fdrazn\u011b zvy\u0161uje mez kluzu a tvrdost.<\/p>\n<h3>Zinek a jakosti Zamak pro p\u0159esn\u00e9 sou\u010d\u00e1sti<\/h3>\n<p>Zinkov\u00e9 slitiny, v\u010detn\u011b skupiny Zamak, maj\u00ed n\u00edzkou teplotu t\u00e1n\u00ed a v\u00fdbornou tekutost, d\u00edky nim\u017e p\u0159esn\u011b vypln\u00ed i jemn\u00e9 detaily. <strong><a href=\"https:\/\/moldiecasting.com\/cs\/zinc-die-casting-parts\/\">Zamak 3<\/a><\/strong> je nejb\u011b\u017en\u011bj\u0161\u00ed jakost\u00ed a nab\u00edz\u00ed dobrou rovnov\u00e1hu mezi pevnost\u00ed, ta\u017enost\u00ed a rozm\u011brovou stabilitou.<\/p>\n<p>Zinkov\u00e9 odlitky dosahuj\u00ed \u00fazk\u00fdch toleranc\u00ed a maj\u00ed hladk\u00fd p\u0159irozen\u00fd povrch, co\u017e omezuje n\u00e1sledn\u00e9 zpracov\u00e1n\u00ed u dekorativn\u00edho a p\u0159esn\u00e9ho kov\u00e1n\u00ed. D\u00edky elektrick\u00e9 vodivosti a snadn\u00e9mu pokovov\u00e1n\u00ed se hod\u00ed tak\u00e9 pro elektroniku a kryty konektor\u016f.<\/p>\n<p>Nev\u00fdhodou je hustota. Zinek je v\u00fdrazn\u011b t\u011b\u017e\u0161\u00ed ne\u017e hlin\u00edk, co\u017e omezuje jeho pou\u017eit\u00ed v aplikac\u00edch citliv\u00fdch na hmotnost.<\/p>\n<h3>Ho\u0159\u010d\u00edkov\u00e9 slitiny pro specifick\u00e9 po\u017eadavky<\/h3>\n<p>Ho\u0159\u010d\u00edkov\u00e9 slitiny, nap\u0159\u00edklad <strong>AZ91D<\/strong> a <strong>AM60B<\/strong>, maj\u00ed nejni\u017e\u0161\u00ed hustotu mezi konstruk\u010dn\u00edmi odl\u00e9van\u00fdmi materi\u00e1ly. Slitina <strong>AM50<\/strong> dob\u0159e pohlcuje energii, a proto se pou\u017e\u00edv\u00e1 u automobilov\u00fdch d\u00edl\u016f d\u016fle\u017eit\u00fdch p\u0159i n\u00e1razu.<\/p>\n<p>Pokud je z\u00e1sadn\u00edm po\u017eadavkem sn\u00ed\u017een\u00ed hmotnosti, nab\u00edz\u00ed gravita\u010dn\u00ed lit\u00ed ho\u0159\u010d\u00edku pom\u011br pevnosti k hmotnosti, kter\u00e9mu se hlin\u00edk nevyrovn\u00e1.<\/p>\n<h2><a id=\"advantages-and-limits\"><\/a>V\u00fdhody, omezen\u00ed a v\u00fdsledn\u00e1 kvalita<\/h2>\n<p>Gravita\u010dn\u00ed lit\u00ed p\u0159in\u00e1\u0161\u00ed v\u00fdrobn\u00edmu programu jedine\u010dn\u00e9 v\u00fdhody, m\u00e1 v\u0161ak tak\u00e9 sv\u00e1 omezen\u00ed. Pr\u00e1v\u011b d\u016fkladn\u00e9 pochopen\u00ed t\u011bchto kompromis\u016f, zejm\u00e9na pokud jde o <a href=\"https:\/\/moldiecasting.com\/cs\/blog\/tooling-in-manufacturing-for-die-casting-from-mold-build-to-production-parts\/\">investice do n\u00e1stroj\u016f<\/a>, objem v\u00fdroby a kvalitu odlitk\u016f, odli\u0161uje spr\u00e1vn\u00e9 n\u00e1kupn\u00ed rozhodnut\u00ed od n\u00e1kladn\u00e9ho omylu.<\/p>\n<h3>Pro\u010d opakovan\u011b pou\u017eiteln\u00e9 formy zvy\u0161uj\u00ed opakovatelnost<\/h3>\n<p>Gravita\u010dn\u00ed lit\u00ed do kovov\u00e9 formy je proces odl\u00e9v\u00e1n\u00ed do trval\u00e9\u00a0formy\u00a0a stejn\u00e1 ocelov\u00e1 forma se pou\u017e\u00edv\u00e1 pro tis\u00edce odlitk\u016f. Geometrie dutiny z\u016fst\u00e1v\u00e1 nem\u011bnn\u00e1, tak\u017ee rozm\u011brov\u00e1 p\u0159esnost i povrchov\u00e1 \u00faprava jsou konzistentn\u00ed od prvn\u00edho odlitku a\u017e po deseti tis\u00edc\u00ed.<\/p>\n<p>Opakovan\u011b pou\u017eiteln\u00e9 formy nav\u00edc umo\u017e\u0148uj\u00ed postupn\u011b optimalizovat jejich konstrukci. Na z\u00e1klad\u011b \u00fadaj\u016f z kontroly prvn\u00edho kusu (FAI) lze upravit um\u00edst\u011bn\u00ed chladic\u00edch kan\u00e1lk\u016f, geometrii vtok\u016f i odvzdu\u0161n\u011bn\u00ed, zv\u00fd\u0161it v\u00fdt\u011b\u017enost a vyhnout se v\u00fdrob\u011b nov\u00e9ho n\u00e1stroje.<\/p>\n<p>Dal\u0161\u00ed konstruk\u010dn\u00ed v\u00fdhodou je n\u00edzk\u00e1 p\u00f3rovitost zp\u016fsoben\u00e1 plyny. Proto\u017ee je pln\u011bn\u00ed gravitac\u00ed pomalej\u0161\u00ed a m\u00e9n\u011b turbulentn\u00ed ne\u017e vst\u0159ikov\u00e1n\u00ed pod vysok\u00fdm tlakem, dost\u00e1v\u00e1 se do dutiny m\u00e9n\u011b zachycen\u00e9ho vzduchu. \u0158\u00edzen\u00e9 sm\u011brov\u00e9 tuhnut\u00ed pak vytv\u00e1\u0159\u00ed hutn\u011bj\u0161\u00ed mikrostrukturu, kter\u00e1 podporuje tepeln\u00e9 zpracov\u00e1n\u00ed a zlep\u0161uje \u00fanavovou \u017eivotnost p\u0159i provozu.<\/p>\n<h3>Kde proces zaost\u00e1v\u00e1<\/h3>\n<p>Nejv\u00fdznamn\u011bj\u0161\u00ed p\u0159ek\u00e1\u017ekou vstupu jsou investice do n\u00e1stroj\u016f. Formy pro gravita\u010dn\u00ed lit\u00ed se obr\u00e1b\u011bj\u00ed z n\u00e1strojov\u00e9 oceli a jejich v\u00fdroba je dra\u017e\u0161\u00ed ne\u017e zhotoven\u00ed model\u016f pro lit\u00ed do p\u00edsku. U program\u016f s mal\u00fdm objemem z\u016fst\u00e1vaj\u00ed n\u00e1klady na n\u00e1stroje p\u0159ipadaj\u00edc\u00ed na jeden d\u00edl vysok\u00e9 a proces ztr\u00e1c\u00ed svou ekonomickou v\u00fdhodu.<\/p>\n<p>Konstrukce formy pro gravita\u010dn\u00ed lit\u00ed tak\u00e9 omezuje geometrickou slo\u017eitost. Z\u00e1pichy a zp\u011btn\u00e9 \u00fakosy vy\u017eaduj\u00ed p\u00edskov\u00e1 j\u00e1dra nebo skl\u00e1dac\u00ed \u010d\u00e1sti formy, co\u017e zvy\u0161uje n\u00e1klady i dobu cyklu. Pro d\u00edly s hlubok\u00fdmi vnit\u0159n\u00edmi kan\u00e1ly nebo mimo\u0159\u00e1dn\u011b slo\u017eitou geometri\u00ed m\u016f\u017ee b\u00fdt vhodn\u011bj\u0161\u00ed <a href=\"https:\/\/moldiecasting.com\/cs\/blog\/investment-casting-vs-die-casting\/\">lit\u00ed na vytaviteln\u00fd model<\/a> nebo <a href=\"https:\/\/moldiecasting.com\/cs\/blog\/low-pressure-die-casting\/\">n\u00edzkotlak\u00e9 lit\u00ed do kovov\u00e9 formy<\/a>.<\/p>\n<p>V\u00fdrobn\u00ed rychlost je tak\u00e9 ni\u017e\u0161\u00ed ne\u017e u vysokotlak\u00e9ho lit\u00ed. Pln\u011bn\u00ed gravitac\u00ed trv\u00e1 d\u00e9le ne\u017e tlakov\u00e9 vst\u0159ikov\u00e1n\u00ed, co\u017e omezuje v\u00fdstup na jednu sm\u011bnu stroje.<\/p>\n<h3>Nejd\u016fle\u017eit\u011bj\u0161\u00ed faktory kontroly kvality<\/h3>\n<p>Rozm\u011brov\u00e1 p\u0159esnost p\u0159i gravita\u010dn\u00edm lit\u00ed z\u00e1vis\u00ed na kvalit\u011b oceli formy, d\u016fsledn\u00e9m \u0159\u00edzen\u00ed jej\u00ed teploty a stabiln\u00edm zp\u016fsobu lit\u00ed. Odchylky v kter\u00e9koli z t\u011bchto oblast\u00ed zp\u016fsobuj\u00ed rozm\u011brov\u00e9 zm\u011bny v pr\u016fb\u011bhu v\u00fdrobn\u00ed s\u00e9rie.<\/p>\n<p>Sou\u010d\u00e1st\u00ed standardn\u00edho procesu ka\u017ed\u00e9ho dodavatele by m\u011bla b\u00fdt kontrola vnit\u0159n\u00ed kvality, zejm\u00e9na rentgenov\u00e1 kontrola sta\u017eenin a ov\u011b\u0159en\u00ed kritick\u00fdch rozm\u011br\u016f na sou\u0159adnicov\u00e9m m\u011b\u0159ic\u00edm stroji (CMM). \u00dapln\u00e9 protokoly o kontrole rozm\u011br\u016f po zkou\u0161k\u00e1ch n\u00e1stroje pom\u00e1haj\u00ed potvrdit, \u017ee forma vyr\u00e1b\u00ed d\u00edly podle specifikace, je\u0161t\u011b ne\u017e za\u010dne s\u00e9riov\u00e1 v\u00fdroba.<\/p>\n<p>Stav povlaku formy a jej\u00ed teplota p\u0159\u00edmo ovliv\u0148uj\u00ed povrchovou \u00fapravu. Jak se povlak opot\u0159ebov\u00e1v\u00e1 nebo teplota formy m\u011bn\u00ed, kvalita povrchu se zhor\u0161uje. Praktick\u00fdm opat\u0159en\u00edm, kter\u00e9 tomu p\u0159edch\u00e1z\u00ed, je pravideln\u00e1 \u00fadr\u017eba a sledov\u00e1n\u00ed procesu.<\/p>\n<h2 class=\"ds-markdown-paragraph\"><span class=\"\"><a id=\"gravity-die-casting-products\"><\/a>Obvykl\u00e9 v\u00fdrobky z gravita\u010dn\u00edho lit\u00ed do kovov\u00e9 formy<\/span><\/h2>\n<p class=\"ds-markdown-paragraph\"><span class=\"\">Aplikace gravita\u010dn\u00edho lit\u00ed do kovov\u00e9 formy zahrnuj\u00ed \u0161irokou \u0161k\u00e1lu typ\u016f d\u00edl\u016f, rozm\u011br\u016f a po\u017eadavk\u016f na slitiny. Spojuje je pot\u0159eba rozm\u011brov\u00e9 p\u0159esnosti, mechanick\u00e9 integrity a kvality povrchu, kter\u00e1 omezuje n\u00e1klady na n\u00e1sledn\u00e9 zpracov\u00e1n\u00ed.<\/span><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-2034\" src=\"https:\/\/moldiecasting.com\/wp-content\/uploads\/2026\/07\/as-casted-aluminium-gravity-die-casting-parts-for-automotive.jpg\" alt=\"hlin\u00edkov\u00e9 automobilov\u00e9 d\u00edly v surov\u00e9m stavu po gravita\u010dn\u00edm tlakov\u00e9m lit\u00ed\" width=\"1600\" height=\"900\" srcset=\"https:\/\/moldiecasting.com\/wp-content\/uploads\/2026\/07\/as-casted-aluminium-gravity-die-casting-parts-for-automotive.jpg 1600w, https:\/\/moldiecasting.com\/wp-content\/uploads\/2026\/07\/as-casted-aluminium-gravity-die-casting-parts-for-automotive-300x169.jpg 300w, https:\/\/moldiecasting.com\/wp-content\/uploads\/2026\/07\/as-casted-aluminium-gravity-die-casting-parts-for-automotive-1024x576.jpg 1024w, https:\/\/moldiecasting.com\/wp-content\/uploads\/2026\/07\/as-casted-aluminium-gravity-die-casting-parts-for-automotive-768x432.jpg 768w, https:\/\/moldiecasting.com\/wp-content\/uploads\/2026\/07\/as-casted-aluminium-gravity-die-casting-parts-for-automotive-1536x864.jpg 1536w, https:\/\/moldiecasting.com\/wp-content\/uploads\/2026\/07\/as-casted-aluminium-gravity-die-casting-parts-for-automotive-600x338.jpg 600w\" sizes=\"auto, (max-width: 1600px) 100vw, 1600px\" \/><\/p>\n<h3 class=\"ds-markdown-paragraph\"><span class=\"\">D\u00edly pro automobilov\u00fd pr\u016fmysl a pohonn\u00e9 \u00fastroj\u00ed<\/span><\/h3>\n<p class=\"ds-markdown-paragraph\"><span class=\"\">Gravita\u010dn\u00ed lit\u00ed do kovov\u00e9 formy se \u0161iroce pou\u017e\u00edv\u00e1 v <a href=\"https:\/\/moldiecasting.com\/cs\/?product_cat=automotive-parts\">automobilov\u00e9m pr\u016fmyslu<\/a> d\u00edky schopnosti vyr\u00e1b\u011bt hlin\u00edkov\u00e9 d\u00edly s vysokou integritou, kter\u00e9 odol\u00e1vaj\u00ed extr\u00e9mn\u00edmu tepeln\u00e9mu a mechanick\u00e9mu nam\u00e1h\u00e1n\u00ed. Pou\u017e\u00edv\u00e1 se zejm\u00e9na k v\u00fdrob\u011b:<\/span><\/p>\n<ul>\n<li class=\"ds-markdown-paragraph\"><span class=\"\">Hlavy v\u00e1lc\u016f<\/span><\/li>\n<li class=\"ds-markdown-paragraph\"><span class=\"\">Bloky motor\u016f<\/span><\/li>\n<li class=\"ds-markdown-paragraph\"><span class=\"\">P\u00edsty<\/span><\/li>\n<li class=\"ds-markdown-paragraph\"><span class=\"\">P\u0159evodov\u00e9 sk\u0159\u00edn\u011b<\/span><\/li>\n<li class=\"ds-markdown-paragraph\"><span class=\"\">Sou\u010d\u00e1sti zav\u011b\u0161en\u00ed kol<\/span><\/li>\n<li class=\"ds-markdown-paragraph\"><span class=\"\">Brzdov\u00e9 t\u0159meny<\/span><\/li>\n<\/ul>\n<h3 class=\"ds-markdown-paragraph\"><span class=\"\">Elektronika, osv\u011btlen\u00ed a tepeln\u00e9 komponenty<\/span><\/h3>\n<p class=\"ds-markdown-paragraph\"><span class=\"\">Gravita\u010dn\u00ed lit\u00ed hlin\u00edku do kovov\u00e9 formy se up\u0159ednost\u0148uje p\u0159i v\u00fdrob\u011b elektronick\u00fdch, sv\u011bteln\u00fdch a tepeln\u011b \u0159\u00eddic\u00edch komponent, proto\u017ee hlin\u00edk v\u00fdborn\u011b vede teplo a tento proces umo\u017e\u0148uje vyr\u00e1b\u011bt rozm\u011brov\u011b stabiln\u00ed kryty p\u0159ipraven\u00e9 k pou\u017eit\u00ed. P\u0159\u00edklady:<\/span><\/p>\n<ul>\n<li class=\"ds-markdown-paragraph\"><span class=\"\">Kryty elektroniky<\/span><\/li>\n<li class=\"ds-markdown-paragraph\"><span class=\"\">Chladi\u010de<\/span><\/li>\n<li class=\"ds-markdown-paragraph\"><span class=\"\">Kryty LED sv\u00edtidel<\/span><\/li>\n<li class=\"ds-markdown-paragraph\"><span class=\"\">\u0160asi pro telekomunika\u010dn\u00ed a pr\u016fmyslovou elektroniku<\/span><\/li>\n<\/ul>\n<h3 class=\"ds-markdown-paragraph\"><span class=\"\">D\u00edly pr\u016fmyslov\u00fdch za\u0159\u00edzen\u00ed a za\u0159\u00edzen\u00ed pro veden\u00ed kapalin<\/span><\/h3>\n<p class=\"ds-markdown-paragraph\"><span class=\"\">Gravita\u010dn\u00ed lit\u00ed se \u0161iroce vyu\u017e\u00edv\u00e1 pro pr\u016fmyslov\u00e1 za\u0159\u00edzen\u00ed a d\u00edly pro veden\u00ed kapalin, zejm\u00e9na tam, kde jsou pro v\u00fdkon syst\u00e9mu z\u00e1sadn\u00ed tlakov\u00e1 t\u011bsnost, odolnost proti korozi a slo\u017eit\u00e1 vnit\u0159n\u00ed geometrie. Mezi v\u00fdrobky z tohoto procesu pat\u0159\u00ed:<\/span><\/p>\n<ul>\n<li class=\"ds-markdown-paragraph\"><span class=\"\">T\u011bla ventil\u016f<\/span><\/li>\n<li class=\"ds-markdown-paragraph\"><span class=\"\">T\u011blesa \u010derpadel<\/span><\/li>\n<li class=\"ds-markdown-paragraph\"><span class=\"\">Rozd\u011blova\u010de<\/span><\/li>\n<\/ul>\n<h2><a id=\"cost-calculation\"><\/a>V\u00fdpo\u010det n\u00e1klad\u016f na gravita\u010dn\u00ed lit\u00ed do kovov\u00e9 formy<\/h2>\n<p class=\"my-2 [&amp;+p]:mt-4 [&amp;_strong:has(+br)]:inline-block [&amp;_strong:has(+br)]:align-top\">N\u00e1klady na gravita\u010dn\u00ed lit\u00ed do kovov\u00e9 formy tvo\u0159\u00ed investice do n\u00e1stroj\u016f, v\u00fdrobn\u00ed n\u00e1klady na jeden d\u00edl, re\u017eie na kontrolu a navazuj\u00edc\u00ed povrchov\u00e9 \u00fapravy a obr\u00e1b\u011bn\u00ed, rozpo\u010d\u00edtan\u00e9 na objem v\u00fdroby. Znalost jednotliv\u00fdch n\u00e1kladov\u00fdch faktor\u016f pom\u00e1h\u00e1 n\u00e1kupn\u00edm mana\u017eer\u016fm a in\u017een\u00fdr\u016fm l\u00e9pe vyjedn\u00e1vat a p\u0159edch\u00e1zet nep\u0159\u00edjemn\u00fdm p\u0159ekvapen\u00edm po schv\u00e1len\u00ed v\u00fdroby n\u00e1stroje.<\/p>\n<ul class=\"marker:text-quiet list-disc pl-8\">\n<li class=\"py-0 my-0 prose-p:pt-0 prose-p:mb-2 prose-p:my-0 [&amp;&gt;p]:pt-0 [&amp;&gt;p]:mb-2 [&amp;&gt;p]:my-0\">\n<p class=\"my-2 [&amp;+p]:mt-4 [&amp;_strong:has(+br)]:inline-block [&amp;_strong:has(+br)]:align-top\"><strong>Investice do n\u00e1stroj\u016f<\/strong> p\u0159edstavuj\u00ed nejv\u011bt\u0161\u00ed po\u010d\u00e1te\u010dn\u00ed n\u00e1klad a nejv\u00edce je ovliv\u0148uje slo\u017eitost d\u00edlu. Jednoduch\u00e1 dvoud\u00edln\u00e1 forma pro konzolu stoj\u00ed mnohem m\u00e9n\u011b ne\u017e forma s v\u00edce dutinami a p\u00edskov\u00fdmi j\u00e1dry pro t\u011bleso ventilu nebo hlavu v\u00e1lc\u016f. N\u00e1klady ovliv\u0148uje jakost oceli formy, jej\u00ed velikost, po\u010det dutin i doba obr\u00e1b\u011bn\u00ed.<\/p>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"marker:text-quiet list-disc pl-8\">\n<li class=\"py-0 my-0 prose-p:pt-0 prose-p:mb-2 prose-p:my-0 [&amp;&gt;p]:pt-0 [&amp;&gt;p]:mb-2 [&amp;&gt;p]:my-0\">\n<p class=\"my-2 [&amp;+p]:mt-4 [&amp;_strong:has(+br)]:inline-block [&amp;_strong:has(+br)]:align-top\"><strong>N\u00e1klady na v\u00fdrobu jednoho d\u00edlu<\/strong> z\u00e1vis\u00ed na dob\u011b cyklu, cen\u011b slitiny, zmetkovitosti a pr\u00e1ci. Cena slitiny kol\u00eds\u00e1 podle komoditn\u00edch trh\u016f a p\u0159\u00edmo ovliv\u0148uje cenu d\u00edlu u t\u011b\u017ek\u00fdch odlitk\u016f nebo odlitk\u016f se siln\u00fdmi st\u011bnami. Zmetkovitost ovliv\u0148uje kvalita konstrukce formy, \u0159\u00edzen\u00ed procesu a jej\u00ed stav v pr\u016fb\u011bhu \u010dasu.<\/p>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"marker:text-quiet list-disc pl-8\">\n<li class=\"py-0 my-0 prose-p:pt-0 prose-p:mb-2 prose-p:my-0 [&amp;&gt;p]:pt-0 [&amp;&gt;p]:mb-2 [&amp;&gt;p]:my-0\">\n<p class=\"my-2 [&amp;+p]:mt-4 [&amp;_strong:has(+br)]:inline-block [&amp;_strong:has(+br)]:align-top\"><strong>N\u00e1klady na CNC obr\u00e1b\u011bn\u00ed<\/strong> rostou s po\u010dtem prvk\u016f s \u00fazk\u00fdmi tolerancemi, po\u017eadovanou p\u0159esnost\u00ed a slo\u017eitost\u00ed upnut\u00ed. Dokon\u010den\u00ed d\u00edl\u016f vy\u017eaduj\u00edc\u00edch v\u00edce obr\u00e1b\u011bc\u00edch krok\u016f nebo p\u0159esn\u00e9 polohovac\u00ed plochy je n\u00e1kladn\u011bj\u0161\u00ed.<\/p>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"marker:text-quiet list-disc pl-8\">\n<li class=\"py-0 my-0 prose-p:pt-0 prose-p:mb-2 prose-p:my-0 [&amp;&gt;p]:pt-0 [&amp;&gt;p]:mb-2 [&amp;&gt;p]:my-0\">\n<p class=\"my-2 [&amp;+p]:mt-4 [&amp;_strong:has(+br)]:inline-block [&amp;_strong:has(+br)]:align-top\"><strong>N\u00e1klady na povrchovou \u00fapravu<\/strong> se li\u0161\u00ed podle typu procesu, o\u0161et\u0159ovan\u00e9 plochy a velikosti s\u00e9rie. Pr\u00e1\u0161kov\u00e9 lakov\u00e1n\u00ed, anodizace, lakov\u00e1n\u00ed a podobn\u00e9 \u00fapravy vy\u017eaduj\u00ed r\u016fzn\u00fd \u010das a pr\u00e1ci podle kone\u010dn\u00fdch po\u017eadavk\u016f na d\u00edl.<\/p>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"marker:text-quiet list-disc pl-8\">\n<li class=\"py-0 my-0 prose-p:pt-0 prose-p:mb-2 prose-p:my-0 [&amp;&gt;p]:pt-0 [&amp;&gt;p]:mb-2 [&amp;&gt;p]:my-0\">\n<p class=\"my-2 [&amp;+p]:mt-4 [&amp;_strong:has(+br)]:inline-block [&amp;_strong:has(+br)]:align-top\"><strong>N\u00e1klady na kontrolu<\/strong> z\u00e1vis\u00ed na rozsahu kontroly prvn\u00edho kusu, pr\u016fb\u011b\u017en\u00fdch kontrol a v\u00fdstupn\u00ed kontroly. Rentgenov\u00e9 zkou\u0161ky, ov\u011b\u0159ov\u00e1n\u00ed na CMM a rozm\u011brov\u00e9 protokoly zvy\u0161uj\u00ed n\u00e1klady, ale pom\u00e1haj\u00ed p\u0159ed zah\u00e1jen\u00edm s\u00e9riov\u00e9 v\u00fdroby sn\u00ed\u017eit riziko probl\u00e9m\u016f s kvalitou.<\/p>\n<\/li>\n<\/ul>\n<h2 id=\"when-an-end-to-end-manufacturing-partner-adds-valu\" class=\"font-editorial font-bold mb-2 mt-4 [.has-inline-images_&amp;]:clear-end text-base first:mt-0\"><a id=\"manufacturing-partner\"><\/a>Kdy p\u0159in\u00e1\u0161\u00ed partner pro cel\u00fd v\u00fdrobn\u00ed proces p\u0159idanou hodnotu<\/h2>\n<p class=\"my-2 [&amp;+p]:mt-4 [&amp;_strong:has(+br)]:inline-block [&amp;_strong:has(+br)]:align-top\">Pro odb\u011bratele OEM a ODM, kte\u0159\u00ed spolupracuj\u00ed s v\u00edce dodavateli, m\u016f\u017ee spojen\u00ed n\u00e1vrhu formy, odl\u00e9v\u00e1n\u00ed, obr\u00e1b\u011bn\u00ed, kontroly a povrchov\u00fdch \u00faprav pod jednou st\u0159echou sn\u00ed\u017eit n\u00e1roky na koordinaci a zkr\u00e1tit dodac\u00ed lh\u016fty. Usnad\u0148uje tak\u00e9 komunikaci, proto\u017ee za cel\u00fd proces od v\u00fdvoje n\u00e1stroje a\u017e po kone\u010dn\u00e9 dod\u00e1n\u00ed odpov\u00edd\u00e1 jeden t\u00fdm.<\/p>\n<p class=\"my-2 [&amp;+p]:mt-4 [&amp;_strong:has(+br)]:inline-block [&amp;_strong:has(+br)]:align-top\">Dodavatel s vlastn\u00edm softwarem pro simulaci toku kovu m\u016f\u017ee odhalit probl\u00e9my s pln\u011bn\u00edm je\u0161t\u011b p\u0159ed schv\u00e1len\u00edm v\u00fdroby n\u00e1stroje a p\u0159edej\u00edt tak n\u00e1kladn\u00fdm zm\u011bn\u00e1m formy po kontrole prvn\u00edho kusu. Pokud m\u00e1 stejn\u00fd dodavatel tak\u00e9 vlastn\u00ed kapacity pro kontrolu na CMM a rentgenem, CNC obr\u00e1b\u011bn\u00ed i povrchov\u00e9 \u00fapravy, m\u016f\u017ee poskytovat protokoly o rozm\u011brov\u00e9 a vnit\u0159n\u00ed kvalit\u011b mnohem rychleji ne\u017e provoz z\u00e1visl\u00fd na extern\u00edch laborato\u0159\u00edch.<\/p>\n<p class=\"my-2 [&amp;+p]:mt-4 [&amp;_strong:has(+br)]:inline-block [&amp;_strong:has(+br)]:align-top\">Hlavn\u00ed p\u0159\u00ednos v\u00fdrobce <a href=\"https:\/\/moldiecasting.com\/cs\/\">forem a tlakov\u00fdch odlitk\u016f pro cel\u00fd v\u00fdrobn\u00ed proces<\/a> nespo\u010d\u00edv\u00e1 pouze v ni\u017e\u0161\u00edch jednotkov\u00fdch n\u00e1kladech. Jde tak\u00e9 o lep\u0161\u00ed n\u00e1vaznost konstruk\u010dn\u00ed pr\u00e1ce, jasn\u011bj\u0161\u00ed odpov\u011bdnost a rychlej\u0161\u00ed \u0159e\u0161en\u00ed probl\u00e9m\u016f, kter\u00e9 se objev\u00ed b\u011bhem v\u00fdroby.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Pro in\u017een\u00fdry a n\u00e1kupn\u00ed mana\u017eery, kte\u0159\u00ed posuzuj\u00ed tlakov\u00e9 lit\u00ed d\u00edl\u016f ve st\u0159edn\u00edch a\u017e vysok\u00fdch objemech, p\u0159edstavuje gravita\u010dn\u00ed lit\u00ed do kovov\u00e9 formy praktick\u00fd kompromis. Vyva\u017euje investice do n\u00e1stroj\u016f, rozm\u011brovou p\u0159esnost, povrchovou \u00fapravu a integritu d\u00edlu. V tomto blogu prozkoum\u00e1me proces a materi\u00e1ly gravita\u010dn\u00edho lit\u00ed do kovov\u00e9 formy a p\u0159edev\u0161\u00edm jeho v\u00fdhody, omezen\u00ed a n\u00e1kladov\u00e9 faktory. Obsah [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":24102,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_seopress_titles_title":"Kompletn\u00ed pr\u016fvodce gravita\u010dn\u00edm lit\u00edm do kovov\u00e9 formy: proces a dal\u0161\u00ed informace","_seopress_titles_desc":"Prozkoumejte proces gravita\u010dn\u00edho lit\u00ed do kovov\u00e9 formy, materi\u00e1ly, v\u00fdhody, pou\u017eit\u00ed a n\u00e1kladov\u00e9 faktory. 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