{"id":23488,"date":"2025-01-31T10:20:21","date_gmt":"2025-01-31T02:20:21","guid":{"rendered":"https:\/\/moldiecasting.com\/?p=23488"},"modified":"2026-10-09T02:21:34","modified_gmt":"2026-10-08T18:21:34","slug":"die-casting-defects-and-solutions","status":"publish","type":"post","link":"https:\/\/moldiecasting.com\/cs\/blog\/die-casting-defects-and-solutions\/","title":{"rendered":"Vady p\u0159i tlakov\u00e9m lit\u00ed a jejich \u0159e\u0161en\u00ed"},"content":{"rendered":"<p><a href=\"https:\/\/moldiecasting.com\/cs\/blog\/die-casting-process-materials-and-tooling-die-design-overview\/\">Tlakov\u00e9 lit\u00ed<\/a>, \u0161iroce vyu\u017e\u00edvan\u00fd v\u00fdrobn\u00ed proces pro v\u00fdrobu slo\u017eit\u00fdch kovov\u00fdch d\u00edl\u016f, se \u010dasto pot\u00fdk\u00e1 s vadami, kter\u00e9 mohou naru\u0161it kvalitu a funk\u010dnost v\u00fdrobk\u016f. \u0158e\u0161en\u00ed t\u011bchto vad vy\u017eaduje pochopen\u00ed jejich p\u0159\u00ed\u010din, zaveden\u00ed \u00fa\u010dinn\u00fdch n\u00e1pravn\u00fdch opat\u0159en\u00ed a uplat\u0148ov\u00e1n\u00ed preventivn\u00edch postup\u016f.<\/p>\n<h2>Porozita<\/h2>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-656\" src=\"https:\/\/moldiecasting.com\/wp-content\/uploads\/2025\/01\/Porosity.jpg\" alt=\"\" width=\"800\" height=\"450\" srcset=\"https:\/\/moldiecasting.com\/wp-content\/uploads\/2025\/01\/Porosity.jpg 800w, https:\/\/moldiecasting.com\/wp-content\/uploads\/2025\/01\/Porosity-300x169.jpg 300w, https:\/\/moldiecasting.com\/wp-content\/uploads\/2025\/01\/Porosity-768x432.jpg 768w, https:\/\/moldiecasting.com\/wp-content\/uploads\/2025\/01\/Porosity-18x10.jpg 18w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><\/p>\n<p><strong>Definice:<\/strong><\/p>\n<p>Porozita je vada, p\u0159i n\u00ed\u017e v odlitku vznikaj\u00ed drobn\u00e9 dutiny nebo bubliny v d\u016fsledku uzav\u0159en\u00ed plyn\u016f nebo nespr\u00e1vn\u00e9ho tuhnut\u00ed. Tato vada oslabuje struktur\u00e1ln\u00ed celistvost odlitku, \u010d\u00edm\u017e jej \u010din\u00ed nevhodn\u00fdm pro aplikace vy\u017eaduj\u00edc\u00ed vysokou pevnost nebo vzduchot\u011bsnost.<\/p>\n<p><strong>P\u0159\u00ed\u010diny:<\/strong><\/p>\n<ul>\n<li>Uzav\u0159en\u00fd vzduch nebo plyny: Vzduch vta\u017een\u00fd do roztaven\u00e9ho kovu b\u011bhem vst\u0159ikov\u00e1n\u00ed vytv\u00e1\u0159\u00ed dutiny, proto\u017ee nem\u016f\u017ee b\u011bhem tuhnut\u00ed uniknout ven.<\/li>\n<li>Nedostate\u010dn\u00e9 odvzdu\u0161n\u011bn\u00ed: Nevhodn\u011b navr\u017een\u00e9 odvzdu\u0161\u0148ovac\u00ed kan\u00e1lky ve form\u011b br\u00e1n\u00ed \u00faniku plyn\u016f, co\u017e zvy\u0161uje m\u00edru porozity.<\/li>\n<li>Turbulentn\u00ed proud\u011bn\u00ed kovu: Nestabiln\u00ed nebo chaotick\u00e9 proud\u011bn\u00ed roztaven\u00e9ho kovu vede k uzav\u00edr\u00e1n\u00ed vzduchu uvnit\u0159 taveniny.<\/li>\n<li>Zachycen\u00ed plynu: Nadm\u011brn\u00e9 pou\u017e\u00edv\u00e1n\u00ed separa\u010dn\u00edch prost\u0159edk\u016f nebo maziv m\u016f\u017ee v\u00e9st ke vzniku plynu uvnit\u0159 dutiny formy.<\/li>\n<\/ul>\n<p><strong>\u0158e\u0161en\u00ed:<\/strong><\/p>\n<ul>\n<li>Optimalizace syst\u00e9mu odvzdu\u0161n\u011bn\u00ed: Spr\u00e1vn\u00e9 odvzdu\u0161n\u011bn\u00ed umo\u017e\u0148uje \u00fanik zachycen\u00fdch plyn\u016f p\u0159edt\u00edm, ne\u017e kov ztuhne. Pomoci m\u016f\u017ee p\u0159id\u00e1n\u00ed p\u0159elivn\u00fdch kapes a odvzdu\u0161\u0148ovac\u00edch kan\u00e1lk\u016f.<\/li>\n<li>\u00daprava rychlosti vst\u0159ikov\u00e1n\u00ed: Sni\u017ete rychlost vst\u0159ikov\u00e1n\u00ed, abyste omezili turbulence a zajistili uspo\u0159\u00e1dan\u00fd tok kovu.<\/li>\n<li>\u0158\u00edzen\u00ed teploty kovu: Udr\u017eujte rovnom\u011brnou a optim\u00e1ln\u00ed teplotu kovu, abyste zajistili plynul\u00e9 pln\u011bn\u00ed.<\/li>\n<li>Pou\u017eit\u00ed vakuov\u00fdch syst\u00e9m\u016f: Vyu\u017eijte proces s podporou vakua k odstran\u011bn\u00ed vzduchu a ne\u010distot z odlitku.<\/li>\n<\/ul>\n<p><strong>Prevence:<\/strong><\/p>\n<ul>\n<li>N\u00e1vrh vhodn\u00fdch syst\u00e9m\u016f p\u0159elivn\u00fdch kapes: Zahr\u0148te p\u0159elivn\u00e9 kan\u00e1lky pro odveden\u00ed plyn\u016f a zaji\u0161t\u011bn\u00ed plynul\u00e9ho toku kovu.<\/li>\n<li>Udr\u017eov\u00e1n\u00ed st\u00e1l\u00e9 teploty kovu: Vyvarujte se p\u0159eh\u0159\u00e1t\u00ed nebo n\u00e1hl\u00e9ho ochlazen\u00ed, abyste sn\u00ed\u017eili riziko zachycen\u00ed plynu.<\/li>\n<li>Pravideln\u00e1 \u00fadr\u017eba formy: Udr\u017eujte formu \u010distou a bez ne\u010distot, abyste zabr\u00e1nili hromad\u011bn\u00ed plyn\u016f.<\/li>\n<li>Spr\u00e1vn\u00fd n\u00e1vrh vtok\u016f a rozvodn\u00fdch kan\u00e1l\u016f: Zajist\u011bte, aby byly vtoky a rozvodn\u00e9 kan\u00e1ly dostate\u010dn\u011b velk\u00e9 a umo\u017e\u0148ovaly \u00fapln\u00e9 napln\u011bn\u00ed formy s minim\u00e1ln\u00edmi turbulencemi.<\/li>\n<\/ul>\n<h2>Studen\u00e9 spoje<\/h2>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-657\" src=\"https:\/\/moldiecasting.com\/wp-content\/uploads\/2025\/01\/cold-shut.jpg\" alt=\"\" width=\"800\" height=\"450\" srcset=\"https:\/\/moldiecasting.com\/wp-content\/uploads\/2025\/01\/cold-shut.jpg 800w, https:\/\/moldiecasting.com\/wp-content\/uploads\/2025\/01\/cold-shut-300x169.jpg 300w, https:\/\/moldiecasting.com\/wp-content\/uploads\/2025\/01\/cold-shut-768x432.jpg 768w, https:\/\/moldiecasting.com\/wp-content\/uploads\/2025\/01\/cold-shut-18x10.jpg 18w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><\/p>\n<p><strong>Definice:<\/strong><\/p>\n<p>Ke studen\u00fdm spoj\u016fm doch\u00e1z\u00ed, kdy\u017e se dva proudy roztaven\u00e9ho kovu setkaj\u00ed, ale \u0159\u00e1dn\u011b se nespoj\u00ed, \u010d\u00edm\u017e vznikne viditeln\u00fd \u0161ev nebo slab\u00fd spoj. Tato vada ovliv\u0148uje vzhled i pevnost odlitku.<\/p>\n<p><strong>P\u0159\u00ed\u010diny:<\/strong><\/p>\n<ul>\n<li>N\u00edzk\u00e1 teplota kovu: Nedostate\u010dn\u00e1 teplota zp\u016fsobuje p\u0159ed\u010dasn\u00e9 tuhnut\u00ed roztaven\u00e9ho kovu.<\/li>\n<li>N\u00edzk\u00e1 rychlost vst\u0159ikov\u00e1n\u00ed: Zpo\u017ed\u011bn\u00ed toku kovu vede k \u010d\u00e1ste\u010dn\u00e9mu ochlazen\u00ed p\u0159ed spojen\u00edm proud\u016f.<\/li>\n<li>\u0160patn\u00fd tok kovu: Nepravideln\u00fd tok kovu v d\u016fsledku nevhodn\u00e9ho n\u00e1vrhu vtok\u016f p\u0159isp\u00edv\u00e1 k nedokonal\u00e9mu spojen\u00ed.<\/li>\n<li>Nedostate\u010dn\u00e9 odvzdu\u0161n\u011bn\u00ed: Uzav\u0159en\u00fd vzduch m\u016f\u017ee naru\u0161it spojov\u00e1n\u00ed proud\u016f roztaven\u00e9ho kovu.<\/li>\n<\/ul>\n<p><strong>\u0158e\u0161en\u00ed:<\/strong><\/p>\n<ul>\n<li>Zv\u00fd\u0161en\u00ed teploty kovu: Zvy\u0161te teplotu, abyste zajistili spr\u00e1vn\u00fd tok a spojen\u00ed roztaven\u00e9ho kovu.<\/li>\n<li>Optimalizace rychlosti vst\u0159ikov\u00e1n\u00ed: Upravte rychlost tak, abyste dos\u00e1hli plynul\u00e9ho a souvisl\u00e9ho toku kovu.<\/li>\n<li>Zlep\u0161en\u00ed n\u00e1vrhu vtok\u016f: Zajist\u011bte takov\u00e9 um\u00edst\u011bn\u00ed vtok\u016f, kter\u00e9 efektivn\u011b usm\u011brn\u00ed tok kovu.<\/li>\n<li>Lep\u0161\u00ed um\u00edst\u011bn\u00ed odvzdu\u0161n\u011bn\u00ed: P\u0159idejte odvzdu\u0161\u0148ovac\u00ed kan\u00e1lky do kl\u00ed\u010dov\u00fdch oblast\u00ed, aby se zajistil odvod uzav\u0159en\u00e9ho vzduchu.<\/li>\n<\/ul>\n<p><strong>Prevence:<\/strong><\/p>\n<ul>\n<li>D\u016fsledn\u00e9 sledov\u00e1n\u00ed teploty kovu: Zajist\u011bte rovnom\u011brn\u00fd oh\u0159ev roztaven\u00e9ho kovu v pr\u016fb\u011bhu cel\u00e9ho procesu.<\/li>\n<li>Pravideln\u00e1 kontrola teploty formy: Udr\u017eujte optim\u00e1ln\u00ed teplotu formy, abyste zabr\u00e1nili p\u0159ed\u010dasn\u00e9mu ochlazen\u00ed.<\/li>\n<li>Spr\u00e1vn\u00fd n\u00e1vrh um\u00edst\u011bn\u00ed vtok\u016f: Um\u00edst\u011bte vtoky strategicky tak, abyste zlep\u0161ili tok kovu a omezili turbulence.<\/li>\n<li>Udr\u017eov\u00e1n\u00ed optim\u00e1ln\u00ed rychlosti vst\u0159ikov\u00e1n\u00ed: Vyva\u017ete rychlost tak, abyste p\u0159ede\u0161li ochlazen\u00ed a z\u00e1rove\u0148 zajistili rovnom\u011brn\u00e9 pln\u011bn\u00ed.<\/li>\n<\/ul>\n<h2>Hork\u00e1 m\u00edsta<\/h2>\n<p><strong>Definice:<\/strong><\/p>\n<p>Tepeln\u00e1 ohniska (hot spots) jsou lok\u00e1ln\u00ed oblasti p\u0159eh\u0159\u00e1t\u00ed uvnit\u0159 formy, kter\u00e9 vedou k nerovnom\u011brn\u00e9mu chladnut\u00ed a vad\u00e1m, jako je deformace nebo rozm\u011brov\u00e9 odchylky odlitku.<\/p>\n<p>P\u0159\u00ed\u010diny:<\/p>\n<ul>\n<li>Nerovnom\u011brn\u00e1 teplota formy: Nerovnom\u011brn\u00e9 chlazen\u00ed vytv\u00e1\u0159\u00ed z\u00f3ny s nadm\u011brn\u00fdm hromad\u011bn\u00edm tepla.<\/li>\n<li>Nevhodn\u00e1 konstrukce chlazen\u00ed: Absence \u00fa\u010dinn\u00fdch chladic\u00edch kan\u00e1l\u016f ve form\u011b zp\u016fsobuje vznik lok\u00e1ln\u00edch tepeln\u00fdch ohnisek.<\/li>\n<li>Nedostate\u010dn\u00e9 maz\u00e1n\u00ed: Nedostate\u010dn\u00e1 nebo nerovnom\u011brn\u00e1 aplikace maziva m\u016f\u017ee zhor\u0161it probl\u00e9my s teplem.<\/li>\n<li>Nahromad\u011bn\u00ed kovu: Nadbytek kovu v ur\u010dit\u00fdch oblastech m\u016f\u017ee d\u00e9le udr\u017eovat teplo.<\/li>\n<\/ul>\n<p><strong>\u0158e\u0161en\u00ed:<\/strong><\/p>\n<ul>\n<li>Vyv\u00e1\u017een\u00ed chladic\u00edch kan\u00e1l\u016f: Navrhn\u011bte optimalizovanou s\u00ed\u0165 chladic\u00edch kan\u00e1l\u016f pro rovnom\u011brn\u00fd odvod tepla.<\/li>\n<li>\u00daprava teploty formy: B\u011bhem v\u00fdroby pe\u010dliv\u011b sledujte a regulujte teplotu formy.<\/li>\n<li>Optimalizace maz\u00e1n\u00ed: Zajist\u011bte rovnom\u011brnou a dostate\u010dnou aplikaci vysoce kvalitn\u00edch maziv.<\/li>\n<li>\u00daprava konstrukce d\u00edlu: Eliminujte siln\u00e9 pr\u016f\u0159ezy n\u00e1chyln\u00e9 k akumulaci tepla.<\/li>\n<\/ul>\n<p><strong>Prevence:<\/strong><\/p>\n<ul>\n<li>Pravideln\u00e1 \u00fadr\u017eba chladic\u00edho syst\u00e9mu: \u010cist\u011bte chladic\u00ed kan\u00e1ly a kontrolujte, zda nejsou ucpan\u00e9 nebo zda nedoch\u00e1z\u00ed k poklesu \u00fa\u010dinnosti.<\/li>\n<li>Spr\u00e1vn\u00e1 regulace teploty formy: Pou\u017e\u00edvejte pokro\u010dil\u00e9 syst\u00e9my monitorov\u00e1n\u00ed teploty k zaji\u0161t\u011bn\u00ed rovnom\u011brn\u00e9ho chlazen\u00ed.<\/li>\n<li>Rovnom\u011brn\u00e1 aplikace maziva: Investujte do automatizovan\u00fdch mazac\u00edch syst\u00e9m\u016f, kter\u00e9 zajist\u00ed aplikaci rovnom\u011brn\u00e9ho mno\u017estv\u00ed maziva.<\/li>\n<li>Sledov\u00e1n\u00ed rozlo\u017een\u00ed teploty: K identifikaci m\u00edst s vysokou koncentrac\u00ed tepla b\u011bhem v\u00fdroby vyu\u017eijte termovizi.<\/li>\n<\/ul>\n<h2>Nedolit\u00ed \/ Ne\u00fapln\u00e9 v\u00fdlisky<\/h2>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-655\" src=\"https:\/\/moldiecasting.com\/wp-content\/uploads\/2025\/01\/Misruns.jpg\" alt=\"\" width=\"800\" height=\"450\" srcset=\"https:\/\/moldiecasting.com\/wp-content\/uploads\/2025\/01\/Misruns.jpg 800w, https:\/\/moldiecasting.com\/wp-content\/uploads\/2025\/01\/Misruns-300x169.jpg 300w, https:\/\/moldiecasting.com\/wp-content\/uploads\/2025\/01\/Misruns-768x432.jpg 768w, https:\/\/moldiecasting.com\/wp-content\/uploads\/2025\/01\/Misruns-18x10.jpg 18w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><\/p>\n<p><strong>Definice:<\/strong><\/p>\n<p>K nedolit\u00ed (nebo ne\u00fapln\u00fdm v\u00fdlisk\u016fm) doch\u00e1z\u00ed, kdy\u017e roztaven\u00fd kov zcela nevypln\u00ed dutinu formy, co\u017e vede k ne\u00fapln\u00fdm \u010d\u00e1stem nebo chyb\u011bj\u00edc\u00edm \u00fasek\u016fm odlitku.<\/p>\n<p><strong>P\u0159\u00ed\u010diny:<\/strong><\/p>\n<ul>\n<li>Nedostate\u010dn\u00fd objem kovu: Objem roztaven\u00e9ho kovu nen\u00ed pro vypln\u011bn\u00ed dutiny dostate\u010dn\u00fd.<\/li>\n<li>N\u00edzk\u00fd vst\u0159ikovac\u00ed tlak: Nedostate\u010dn\u00fd tlak br\u00e1n\u00ed \u00fapln\u00e9mu rozlit\u00ed kovu.<\/li>\n<li>\u0160patn\u00fd tok kovu: P\u0159ek\u00e1\u017eky nebo nevhodn\u00e1 konstrukce vtokov\u00e9 soustavy br\u00e1n\u00ed spr\u00e1vn\u00e9mu proud\u011bn\u00ed.<\/li>\n<li>N\u00edzk\u00e1 teplota formy: Studen\u00e1 forma zp\u016fsobuje p\u0159ed\u010dasn\u00e9 tuhnut\u00ed roztaven\u00e9ho kovu.<\/li>\n<\/ul>\n<p><strong>\u0158e\u0161en\u00ed:<\/strong><\/p>\n<ul>\n<li>Zv\u00fd\u0161en\u00ed objemu kovu: Zajist\u011bte dostate\u010dn\u00fd objem kovu pro ka\u017ed\u00fd vst\u0159ik.<\/li>\n<li>\u00daprava vst\u0159ikovac\u00edho tlaku: Zvy\u0161te tlak, aby kov zcela vyplnil formu.<\/li>\n<li>Optimalizace um\u00edst\u011bn\u00ed vtoku: Um\u00edst\u011bte vtoky tak, aby podporovaly rovnom\u011brn\u00e9 pln\u011bn\u00ed a plynul\u00fd tok.<\/li>\n<li>Spr\u00e1vn\u00fd oh\u0159ev formy: P\u0159edeh\u0159ejte formu, abyste zabr\u00e1nili p\u0159ed\u010dasn\u00e9mu tuhnut\u00ed.<\/li>\n<\/ul>\n<p><strong>Prevence:<\/strong><\/p>\n<ul>\n<li>Pravideln\u00e1 kontrola objemu vst\u0159iku: Zajist\u011bte, aby ka\u017ed\u00fd vst\u0159ik obsahoval spr\u00e1vn\u00e9 mno\u017estv\u00ed roztaven\u00e9ho kovu.<\/li>\n<li>Udr\u017eov\u00e1n\u00ed st\u00e1l\u00e9 teploty formy: Pou\u017e\u00edvejte oh\u0159\u00edva\u010de formy nebo regul\u00e1tory teploty.<\/li>\n<li>Spr\u00e1vn\u00e1 konstrukce vtokov\u00e9 soustavy: Navrhn\u011bte vtokov\u00e9 kan\u00e1ly tak, aby umo\u017e\u0148ovaly snadn\u00fd a \u00fapln\u00fd tok kovu.<\/li>\n<li>Sledov\u00e1n\u00ed parametr\u016f vst\u0159ikov\u00e1n\u00ed: Pravideln\u011b kontrolujte a dola\u010fujte tlak, rychlost a \u010dasov\u00e1n\u00ed.<\/li>\n<\/ul>\n<h2>Odlitek s ot\u0159epem<\/h2>\n<p><strong>Definice:<\/strong><\/p>\n<p>Ot\u0159ep je tenk\u00e1 vrstva p\u0159ebyte\u010dn\u00e9ho kovu, kter\u00e1 vznik\u00e1 na okraj\u00edch odlitku v d\u016fsledku \u00faniku kovu mezerami v d\u011blic\u00edch rovin\u00e1ch formy.<\/p>\n<p><strong>P\u0159\u00ed\u010diny:<\/strong><\/p>\n<ul>\n<li>Nadm\u011brn\u00fd vst\u0159ikovac\u00ed tlak: Vysok\u00fd tlak vytla\u010duje kov z dutiny formy.<\/li>\n<li>Opot\u0159eben\u00e9 povrchy formy: Vlivem opot\u0159eben\u00ed hran formy vznikaj\u00ed \u010dasem mezery.<\/li>\n<li>Nedostate\u010dn\u00e1 uzav\u00edrac\u00ed s\u00edla: Slab\u00e9 sev\u0159en\u00ed umo\u017e\u0148uje pr\u016fnik kovu.<\/li>\n<li>Nespr\u00e1vn\u00e9 ustaven\u00ed formy: Nespr\u00e1vn\u00e9 vz\u00e1jemn\u00e9 ustaven\u00ed vytv\u00e1\u0159\u00ed prostor pro \u00fanik kovu.<\/li>\n<\/ul>\n<p><strong>\u0158e\u0161en\u00ed:<\/strong><\/p>\n<ul>\n<li>\u00daprava vst\u0159ikovac\u00edho tlaku: Sni\u017ete nadm\u011brn\u00fd tlak, abyste zabr\u00e1nili p\u0159ete\u010den\u00ed.<\/li>\n<li>Oprava\/v\u00fdm\u011bna opot\u0159eben\u00fdch forem: Obnovte hrany formy nebo vym\u011b\u0148te opot\u0159eben\u00e9 n\u00e1stroje.<\/li>\n<li>Zv\u00fd\u0161en\u00ed uzav\u00edrac\u00ed s\u00edly: Zajist\u011bte dostate\u010dnou s\u00edlu pro ut\u011bsn\u011bn\u00ed d\u011blic\u00edch rovin.<\/li>\n<li>Spr\u00e1vn\u00e9 ustaven\u00ed formy: Pravideln\u011b kontrolujte a upravujte ustaven\u00ed, abyste eliminovali mezery.<\/li>\n<\/ul>\n<p><strong>Prevence:<\/strong><\/p>\n<ul>\n<li>Pravideln\u00e1 \u00fadr\u017eba formy: \u010casto kontrolujte d\u011blic\u00ed roviny a t\u011bsnic\u00ed plochy.<\/li>\n<li>Sv\u011brac\u00ed s\u00edla: Zajist\u011bte, aby byla forma b\u011bhem v\u00fdroby pevn\u011b upnuta.<\/li>\n<li>Pravideln\u00e1 kontrola ustaven\u00ed formy: Napl\u00e1nujte pravideln\u00e9 \u00fapravy ustaven\u00ed.<\/li>\n<li>Spr\u00e1vn\u00fd n\u00e1vrh d\u011blic\u00ed roviny: Navrhn\u011bte d\u011blic\u00ed rovinu tak, aby se minimalizovala rizika \u00faniku materi\u00e1lu.<\/li>\n<\/ul>\n<h2><strong>Smr\u0161t\u011bn\u00ed<\/strong><\/h2>\n<p><strong>Definice:<\/strong><br \/>\nSta\u017eenina je druh vady, p\u0159i n\u00ed\u017e se uvnit\u0159 odlitku nebo na jeho povrchu objevuj\u00ed dutiny \u010di pr\u00e1zdn\u00e1 m\u00edsta v d\u016fsledku nerovnom\u011brn\u00e9ho tuhnut\u00ed b\u011bhem chladnut\u00ed.<\/p>\n<p><strong>P\u0159\u00ed\u010diny:<\/strong><\/p>\n<ul>\n<li>Nerovnom\u011brn\u00e1 tlou\u0161\u0165ka st\u011bny zp\u016fsobuj\u00edc\u00ed nestejnom\u011brn\u00e9 chladnut\u00ed.<\/li>\n<li>Nedostate\u010dn\u00e9 dopl\u0148ov\u00e1n\u00ed taveniny b\u011bhem tuhnut\u00ed.<\/li>\n<li>Nevhodn\u00e1 konstrukce chlazen\u00ed formy.<\/li>\n<li>N\u00edzk\u00fd vst\u0159ikovac\u00ed tlak nebo kr\u00e1tk\u00e1 doba dotlaku.<\/li>\n<\/ul>\n<p><strong>\u0158e\u0161en\u00ed:<\/strong><\/p>\n<ul>\n<li>Optimalizovat konstrukci d\u00edlu tak, aby byla zaji\u0161t\u011bna rovnom\u011brn\u00e1 tlou\u0161\u0165ka st\u011bny.<\/li>\n<li>Pou\u017e\u00edt n\u00e1litky k p\u0159\u00edvodu dal\u0161\u00edho materi\u00e1lu b\u011bhem tuhnut\u00ed.<\/li>\n<li>Zlep\u0161it chlazen\u00ed formy pro zaji\u0161t\u011bn\u00ed \u0159\u00edzen\u00e9ho tuhnut\u00ed.<\/li>\n<li>Zv\u00fd\u0161it vst\u0159ikovac\u00ed tlak a prodlou\u017eit dobu dotlaku.<\/li>\n<\/ul>\n<p><strong>Prevence:<\/strong><\/p>\n<ul>\n<li>Navrhovat odlitky s konstantn\u00ed tlou\u0161\u0165kou st\u011bny.<\/li>\n<li>Prov\u00e1d\u011bt d\u016fkladnou anal\u00fdzu chlazen\u00ed formy, aby se p\u0159ede\u0161lo vzniku tepeln\u00fdch uzl\u016f (p\u0159eh\u0159\u00e1t\u00fdch m\u00edst).<\/li>\n<li>Pravideln\u011b sledovat a upravovat parametry procesu, jako je vst\u0159ikovac\u00ed tlak a \u010das.<\/li>\n<\/ul>\n<h2><strong>Vm\u011bstky<\/strong><\/h2>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-658\" src=\"https:\/\/moldiecasting.com\/wp-content\/uploads\/2025\/01\/Flash.jpg\" alt=\"Strukturovan\u00fd povrch se zak\u0159iven\u00fdmi liniemi a kruhov\u00fdmi prohlubn\u011bmi v tlumen\u00fdch zeleno\u0161ed\u00fdch odst\u00ednech.\" width=\"800\" height=\"450\" srcset=\"https:\/\/moldiecasting.com\/wp-content\/uploads\/2025\/01\/Flash.jpg 800w, https:\/\/moldiecasting.com\/wp-content\/uploads\/2025\/01\/Flash-300x169.jpg 300w, https:\/\/moldiecasting.com\/wp-content\/uploads\/2025\/01\/Flash-768x432.jpg 768w, https:\/\/moldiecasting.com\/wp-content\/uploads\/2025\/01\/Flash-18x10.jpg 18w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><\/p>\n<p><strong>Definice:<\/strong><br \/>\nVm\u011bstky jsou \u010d\u00e1stice cizorod\u00e9ho materi\u00e1lu (nap\u0159. strusky nebo oxid\u016f) nepravideln\u00e9ho tvaru, kter\u00e9 jsou zachyceny v odlitku a zp\u016fsobuj\u00ed vnit\u0159n\u00ed oslaben\u00ed nebo povrchov\u00e9 vady.<\/p>\n<p><strong>P\u0159\u00ed\u010diny:<\/strong><\/p>\n<ul>\n<li>Zne\u010di\u0161t\u011bn\u00e1 tavenina.<\/li>\n<li>Struska nebo ne\u010distoty neodstran\u011bn\u00e9 b\u011bhem nab\u00edr\u00e1n\u00ed kovu.<\/li>\n<li>Nedostate\u010dn\u00e9 \u010di\u0161t\u011bn\u00ed dutiny formy nebo n\u00e1stroj\u016f.<\/li>\n<li>Nedostate\u010dn\u00e9 prom\u00edch\u00e1v\u00e1n\u00ed taveniny.<\/li>\n<\/ul>\n<p><strong>\u0158e\u0161en\u00ed:<\/strong><\/p>\n<ul>\n<li>Pou\u017e\u00edvejte vs\u00e1zku vysok\u00e9 \u010distoty a d\u016fkladn\u011b \u010dist\u011bte lic\u00ed p\u00e1nve a n\u00e1stroje.<\/li>\n<li>P\u0159ed lit\u00edm odstra\u0148te z taveniny strusku a ne\u010distoty.<\/li>\n<li>P\u0159ed ka\u017ed\u00fdm v\u00fdrobn\u00edm cyklem vy\u010dist\u011bte formy a dutinu formy.<\/li>\n<li>Zlep\u0161ete proces \u010di\u0161t\u011bn\u00ed kovu, nap\u0159\u00edklad odply\u0148ov\u00e1n\u00edm nebo filtrac\u00ed.<\/li>\n<\/ul>\n<p><strong>Prevence:<\/strong><\/p>\n<ul>\n<li>Zajist\u011bte \u010dist\u00fd a kontrolovan\u00fd proces taven\u00ed.<\/li>\n<li>Pou\u017e\u00edvejte separa\u010dn\u00ed prost\u0159edky, kter\u00e9 sni\u017euj\u00ed riziko kontaminace.<\/li>\n<li>Pravideln\u011b kontrolujte a \u010dist\u011bte dutinu formy a za\u0159\u00edzen\u00ed.<\/li>\n<\/ul>\n<h2><strong>Trhliny<\/strong><\/h2>\n<p><strong>Definice:<\/strong><br \/>\nTrhliny jsou line\u00e1rn\u00ed nebo nepravideln\u00e1 poru\u0161en\u00ed celistvosti na povrchu nebo uvnit\u0159 odlitku, kter\u00e1 mohou vzniknout b\u011bhem tuhnut\u00ed nebo po n\u011bm v d\u016fsledku tahov\u00e9ho nap\u011bt\u00ed.<\/p>\n<p><strong>P\u0159\u00ed\u010diny:<\/strong><\/p>\n<ul>\n<li>Nerovnom\u011brn\u00e9 tuhnut\u00ed zp\u016fsoben\u00e9 nedostate\u010dnou regulac\u00ed teploty formy.<\/li>\n<li>Abnorm\u00e1ln\u00ed smr\u0161t\u011bn\u00ed zp\u016fsoben\u00e9 nerovnom\u011brnou tlou\u0161\u0165kou st\u011bn.<\/li>\n<li>Nadm\u011brn\u00e9 vnit\u0159n\u00ed pnut\u00ed nebo nerovnom\u011brn\u00e9 p\u016fsoben\u00ed sil p\u0159i vyhazov\u00e1n\u00ed.<\/li>\n<li>Nevhodn\u00e9 slo\u017een\u00ed slitiny s nadm\u011brn\u00fdm obsahem \u0161kodliv\u00fdch prvk\u016f.<\/li>\n<\/ul>\n<p><strong>\u0158e\u0161en\u00ed:<\/strong><\/p>\n<ul>\n<li>Optimalizujte teplotu formy v doporu\u010den\u00e9m rozmez\u00ed (180 \u00b0C\u2013280 \u00b0C).<\/li>\n<li>Navrhujte odlitky s rovnom\u011brnou tlou\u0161\u0165kou st\u011bn, abyste p\u0159ede\u0161li pnut\u00edm zp\u016fsoben\u00fdm smr\u0161\u0165ov\u00e1n\u00edm.<\/li>\n<li>Vyva\u017ete vyhazovac\u00ed s\u00edly \u00fapravou nebo p\u0159id\u00e1n\u00edm vyhazovac\u00edch kol\u00edk\u016f.<\/li>\n<li>Zajist\u011bte spr\u00e1vn\u00e9 slo\u017een\u00ed slitiny kontrolou obsahu \u0161kodliv\u00fdch prvk\u016f, jako je \u017eelezo (Fe).<\/li>\n<\/ul>\n<p><strong>Prevence:<\/strong><\/p>\n<ul>\n<li>Pou\u017e\u00edvejte simula\u010dn\u00ed n\u00e1stroje k n\u00e1vrhu vyv\u00e1\u017een\u00fdch konstrukc\u00ed.<\/li>\n<li>Udr\u017eujte st\u00e1lou teplotu formy pomoc\u00ed vhodn\u00fdch syst\u00e9m\u016f oh\u0159evu.<\/li>\n<li>Pravideln\u011b sledujte slo\u017een\u00ed slitiny b\u011bhem taven\u00ed.<\/li>\n<\/ul>\n<h2><strong>R\u00fdhy a p\u0159ipe\u010den\u00ed kovu (soldering)<\/strong><\/h2>\n<p><strong>Definice:<\/strong><br \/>\nR\u00fdhy jsou \u0161kr\u00e1bance p\u00e1skovit\u00e9ho charakteru zp\u016fsoben\u00e9 po\u0161kozen\u00edm nebo t\u0159en\u00edm p\u0159i vyhazov\u00e1n\u00ed, zat\u00edmco k p\u0159ipe\u010den\u00ed kovu (solderingu) doch\u00e1z\u00ed, kdy\u017e se roztaven\u00fd kov abnorm\u00e1ln\u011b p\u0159ichyt\u00ed k form\u011b a zanech\u00e1 na n\u00ed n\u00e1nosy materi\u00e1lu.<\/p>\n<p><strong>P\u0159\u00ed\u010diny:<\/strong><\/p>\n<ul>\n<li>Nedostate\u010dn\u00e9 \u00fahly \u00fakosu nebo p\u0159\u00edtomnost pod\u0159ez\u00e1n\u00ed na odlitku.<\/li>\n<li>Po\u0161kozen\u00fd nebo hrub\u00fd povrch dutiny formy.<\/li>\n<li>Nadm\u011brn\u00e1 teplota roztaven\u00e9ho kovu nebo formy.<\/li>\n<li>Nekvalitn\u00ed separa\u010dn\u00ed prost\u0159edek nebo nedostate\u010dn\u00e9 maz\u00e1n\u00ed.<\/li>\n<\/ul>\n<p><strong>\u0158e\u0161en\u00ed:<\/strong><\/p>\n<ul>\n<li>Zv\u011bt\u0161ete \u00fahly \u00fakosu a odstra\u0148te pod\u0159ez\u00e1n\u00ed.<\/li>\n<li>Opravte a vyle\u0161t\u011bte dutinu formy pro zlep\u0161en\u00ed kvality povrchu.<\/li>\n<li>Nastavte teplotu taveniny a formy na optim\u00e1ln\u00ed hodnoty.<\/li>\n<li>Pou\u017e\u00edvejte kvalitn\u00ed separa\u010dn\u00ed prost\u0159edky a formy \u0159\u00e1dn\u011b promaz\u00e1vejte.<\/li>\n<\/ul>\n<p><strong>Prevence:<\/strong><\/p>\n<ul>\n<li>Optimalizujte konstrukci d\u00edlu s ohledem na spr\u00e1vn\u00e9 \u00fahly \u00fakosu.<\/li>\n<li>Prov\u00e1d\u011bjte pravidelnou \u00fadr\u017ebu a le\u0161t\u011bn\u00ed formy.<\/li>\n<li>Sledujte a regulujte teplotu, abyste p\u0159ede\u0161li p\u0159eh\u0159\u00e1t\u00ed.<\/li>\n<\/ul>\n<h2><strong>Puch\u00fd\u0159e<\/strong><\/h2>\n<p><strong>Definice:<\/strong><br \/>\nPuch\u00fd\u0159e jsou vybouleniny nebo vyv\u00fd\u0161en\u00e1 m\u00edsta na povrchu odlitku, zp\u016fsoben\u00e1 rozp\u00edn\u00e1n\u00edm plyn\u016f zachycen\u00fdch pod povrchem b\u011bhem tuhnut\u00ed.<\/p>\n<p><strong>P\u0159\u00ed\u010diny:<\/strong><\/p>\n<ul>\n<li>Nevhodn\u00e1 konstrukce odvzdu\u0161n\u011bn\u00ed formy.<\/li>\n<li>Nadm\u011brn\u00e9 pou\u017eit\u00ed separa\u010dn\u00edch prost\u0159edk\u016f nebo maziv.<\/li>\n<li>Nedostate\u010dn\u00e9 odplyn\u011bn\u00ed taveniny.<\/li>\n<li>Nadm\u011brn\u00e1 teplota formy zp\u016fsobuj\u00edc\u00ed sn\u00ed\u017een\u00ed pevnosti.<\/li>\n<\/ul>\n<p><strong>\u0158e\u0161en\u00ed:<\/strong><\/p>\n<ul>\n<li>Zlep\u0161it syst\u00e9m odvzdu\u0161n\u011bn\u00ed p\u0159id\u00e1n\u00edm odvzdu\u0161\u0148ovac\u00edch a p\u0159epadov\u00fdch kan\u00e1lk\u016f.<\/li>\n<li>Optimalizovat mno\u017estv\u00ed separa\u010dn\u00edch prost\u0159edk\u016f a omezit jejich nadm\u011brn\u00e9 pou\u017e\u00edv\u00e1n\u00ed.<\/li>\n<li>Prov\u00e1d\u011bt \u0159\u00e1dn\u00e9 odplyn\u011bn\u00ed b\u011bhem taven\u00ed.<\/li>\n<li>Sn\u00ed\u017eit teplotu formy v probl\u00e9mov\u00fdch oblastech pro minimalizaci rozp\u00edn\u00e1n\u00ed plyn\u016f.<\/li>\n<\/ul>\n<p><strong>Prevence:<\/strong><\/p>\n<ul>\n<li>Zajistit \u00fa\u010dinn\u00fd syst\u00e9m odvzdu\u0161n\u011bn\u00ed a p\u0159epad\u016f ve form\u011b.<\/li>\n<li>Udr\u017eovat st\u00e1l\u00e9 teploty formy a taveniny.<\/li>\n<li>Pou\u017e\u00edvat kvalitn\u00ed a spr\u00e1vn\u011b aplikovan\u00e9 separa\u010dn\u00ed prost\u0159edky.<\/li>\n<\/ul>\n<h2><strong>Deformace<\/strong><\/h2>\n<p><strong>Definice:<\/strong><br \/>\nK deformaci doch\u00e1z\u00ed, kdy\u017e se odlitek odch\u00fdl\u00ed od po\u017eadovan\u00e9ho tvaru v d\u016fsledku vnit\u0159n\u00edho pnut\u00ed nebo nespr\u00e1vn\u00e9ho chlazen\u00ed.<\/p>\n<p><strong>P\u0159\u00ed\u010diny:<\/strong><\/p>\n<ul>\n<li>Nerovnom\u011brn\u00e1 tlou\u0161\u0165ka st\u011bny zp\u016fsobuj\u00edc\u00ed nestejnom\u011brn\u00e9 tuhnut\u00ed.<\/li>\n<li>Nevyv\u00e1\u017een\u00e9 s\u00edly p\u0159i vyhazov\u00e1n\u00ed.<\/li>\n<li>Nadm\u011brn\u00fd vznik vnit\u0159n\u00edho pnut\u00ed.<\/li>\n<li>Nevhodn\u00e1 konstrukce chlazen\u00ed formy.<\/li>\n<\/ul>\n<p><strong>\u0158e\u0161en\u00ed:<\/strong><\/p>\n<ul>\n<li>Navrhujte odlitky s vyv\u00e1\u017eenou tlou\u0161\u0165kou st\u011bn.<\/li>\n<li>Optimalizujte vyhazovac\u00ed syst\u00e9my pro zaji\u0161t\u011bn\u00ed rovnom\u011brn\u00e9ho vyhazov\u00e1n\u00ed.<\/li>\n<li>Pou\u017e\u00edvejte syst\u00e9my \u0159\u00edzen\u00e9ho chlazen\u00ed pro rovnom\u011brn\u00e9 tuhnut\u00ed.<\/li>\n<li>Sni\u017ete vnit\u0159n\u00ed pnut\u00ed optimalizac\u00ed procesn\u00edch parametr\u016f.<\/li>\n<\/ul>\n<p><strong>Prevence:<\/strong><\/p>\n<ul>\n<li>Prov\u00e1d\u011bjte simulace pro p\u0159edv\u00edd\u00e1n\u00ed a \u00fapravu pr\u016fb\u011bhu smr\u0161\u0165ov\u00e1n\u00ed.<\/li>\n<li>Pravideln\u011b kontrolujte a se\u0159izujte vyhazovac\u00ed mechanismus.<\/li>\n<li>Monitorujte stabilitu chladic\u00edch syst\u00e9m\u016f.<\/li>\n<\/ul>\n<h2><strong>Stopy po proud\u011bn\u00ed<\/strong><\/h2>\n<p><strong>Definice:<\/strong><br \/>\nStopy po proud\u011bn\u00ed jsou zvln\u011bn\u00e9 linie na povrchu nebo zm\u011bny barvy zp\u016fsoben\u00e9 nepravideln\u00fdm tokem roztaven\u00e9ho kovu b\u011bhem pln\u011bn\u00ed.<\/p>\n<p><strong>P\u0159\u00ed\u010diny:<\/strong><\/p>\n<ul>\n<li>N\u00edzk\u00e1 rychlost nebo tlak vst\u0159ikov\u00e1n\u00ed.<\/li>\n<li>N\u00edzk\u00e1 teplota roztaven\u00e9ho kovu.<\/li>\n<li>Nedostate\u010dn\u00e1 regulace teploty formy.<\/li>\n<li>Nevhodn\u00e1 konstrukce vtokov\u00e9 soustavy.<\/li>\n<\/ul>\n<p><strong>\u0158e\u0161en\u00ed:<\/strong><\/p>\n<ul>\n<li>Zvy\u0161te rychlost a tlak vst\u0159ikov\u00e1n\u00ed pro zaji\u0161t\u011bn\u00ed plynul\u00e9ho toku.<\/li>\n<li>Zvy\u0161te teplotu roztaven\u00e9ho kovu a formy na doporu\u010den\u00e9 hodnoty.<\/li>\n<li>Optimalizujte teplotu formy pro udr\u017een\u00ed rovnom\u011brn\u00e9ho pln\u011bn\u00ed.<\/li>\n<li>Upravte konstrukci vtokov\u00e9 soustavy pro lep\u0161\u00ed tok kovu.<\/li>\n<\/ul>\n<p><strong>Prevence:<\/strong><\/p>\n<ul>\n<li>Sledovat a udr\u017eovat spr\u00e1vn\u00e9 teploty b\u011bhem odl\u00e9v\u00e1n\u00ed.<\/li>\n<li>Pravideln\u011b kontrolovat a upravovat parametry vst\u0159ikov\u00e1n\u00ed.<\/li>\n<li>Simulovat pr\u016ftok taveniny pro optimalizaci n\u00e1vrhu vtokov\u00e9 soustavy.<\/li>\n<\/ul>\n<h2><strong>Vrstven\u00ed (laminace)<\/strong><\/h2>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-654\" src=\"https:\/\/moldiecasting.com\/wp-content\/uploads\/2025\/01\/Laminations.jpg\" alt=\"\" width=\"800\" height=\"450\" srcset=\"https:\/\/moldiecasting.com\/wp-content\/uploads\/2025\/01\/Laminations.jpg 800w, https:\/\/moldiecasting.com\/wp-content\/uploads\/2025\/01\/Laminations-300x169.jpg 300w, https:\/\/moldiecasting.com\/wp-content\/uploads\/2025\/01\/Laminations-768x432.jpg 768w, https:\/\/moldiecasting.com\/wp-content\/uploads\/2025\/01\/Laminations-18x10.jpg 18w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><\/p>\n<p><strong>Definice:<\/strong><br \/>\nVrstven\u00ed je vada spo\u010d\u00edvaj\u00edc\u00ed ve vzniku vrstev, k n\u00ed\u017e doch\u00e1z\u00ed, kdy\u017e se roztaven\u00fd kov \u0159\u00e1dn\u011b nespoj\u00ed, \u010d\u00edm\u017e vznikaj\u00ed oslaben\u00e9 oblasti s vrstevnatou strukturou.<\/p>\n<p><strong>P\u0159\u00ed\u010diny:<\/strong><\/p>\n<ul>\n<li>Nevhodn\u00e9 um\u00edst\u011bn\u00ed vtoku naru\u0161uj\u00edc\u00ed plynul\u00fd tok kovu.<\/li>\n<li>Ne\u010distoty v roztaven\u00e9m kovu.<\/li>\n<li>N\u00edzk\u00e1 teplota taveniny nebo formy.<\/li>\n<\/ul>\n<p><strong>\u0158e\u0161en\u00ed:<\/strong><\/p>\n<ul>\n<li>P\u0159epracovat n\u00e1vrh vtokov\u00e9 a rozv\u00e1d\u011bc\u00ed soustavy tak, aby se omezilo p\u0159eru\u0161ov\u00e1n\u00ed toku.<\/li>\n<li>Pou\u017e\u00edvat \u010distou, vysoce kvalitn\u00ed taveninu bez ne\u010distot.<\/li>\n<li>Zv\u00fd\u0161it teplotu taveniny a formy pro zaji\u0161t\u011bn\u00ed dokonal\u00e9ho spojen\u00ed.<\/li>\n<\/ul>\n<p><strong>Prevence:<\/strong><\/p>\n<ul>\n<li>Pravideln\u011b \u010distit dutinu formy.<\/li>\n<li>Optimalizovat vtokovou a vst\u0159ikovac\u00ed soustavu.<\/li>\n<li>D\u016fsledn\u011b sledovat a regulovat teploty.<\/li>\n<\/ul>\n<h2><strong>Propadliny<\/strong><\/h2>\n<p><strong>Definice:<\/strong><br \/>\nPropadliny jsou prohlubn\u011b nebo vpadl\u00e1 m\u00edsta na povrchu odlitku zp\u016fsoben\u00e1 nedostate\u010dn\u00fdm dotlakov\u00e1n\u00edm (dopl\u0148ov\u00e1n\u00edm materi\u00e1lu) b\u011bhem smr\u0161\u0165ov\u00e1n\u00ed.<\/p>\n<p><strong>P\u0159\u00ed\u010diny:<\/strong><\/p>\n<ul>\n<li>Nerovnom\u011brn\u00e1 tlou\u0161\u0165ka st\u011bny vedouc\u00ed k lok\u00e1ln\u00edmu smr\u0161t\u011bn\u00ed.<\/li>\n<li>Nedostate\u010dn\u00fd tlak p\u0159i tuhnut\u00ed.<\/li>\n<li>Nedostate\u010dn\u00e9 odvzdu\u0161n\u011bn\u00ed br\u00e1n\u00edc\u00ed \u0159\u00e1dn\u00e9mu dotlakov\u00e1n\u00ed (dopl\u0148ov\u00e1n\u00ed taveniny).<\/li>\n<\/ul>\n<p><strong>\u0158e\u0161en\u00ed:<\/strong><\/p>\n<ul>\n<li>Navrhujte odlitky s rovnom\u011brnou tlou\u0161\u0165kou st\u011bny, aby se p\u0159ede\u0161lo nerovnom\u011brn\u00e9mu smr\u0161t\u011bn\u00ed.<\/li>\n<li>Zvy\u0161te dotlak b\u011bhem tuhnut\u00ed.<\/li>\n<li>Zlep\u0161ete odvzdu\u0161n\u011bn\u00ed pro usnadn\u011bn\u00ed dotlakov\u00e1n\u00ed.<\/li>\n<\/ul>\n<p><strong>Prevence:<\/strong><\/p>\n<ul>\n<li>Prove\u010fte tepelnou anal\u00fdzu b\u011bhem n\u00e1vrhu formy, abyste p\u0159ede\u0161li vzniku tepeln\u00fdch uzl\u016f (p\u0159eh\u0159\u00e1t\u00fdch m\u00edst).<\/li>\n<li>Sledujte parametry vst\u0159ikov\u00e1n\u00ed a st\u00e1lost tlaku.<\/li>\n<\/ul>\n<h2>\u010casto kladen\u00e9 dotazy<\/h2>\n<h3>Jak\u00e9 jsou r\u016fzn\u00e9 typy tlakov\u00e9ho lit\u00ed?<\/h3>\n<p>Tlakov\u00e9 lit\u00ed je v\u00fdrobn\u00ed proces ur\u010den\u00fd k v\u00fdrob\u011b kovov\u00fdch d\u00edl\u016f, p\u0159i\u010dem\u017e existuj\u00ed r\u016fzn\u00e9 typy p\u0159izp\u016fsoben\u00e9 konkr\u00e9tn\u00edm materi\u00e1l\u016fm, konstrukc\u00edm a aplikac\u00edm. Vysokotlak\u00e9 a n\u00edzkotlak\u00e9 lit\u00ed se b\u011b\u017en\u011b vyu\u017e\u00edv\u00e1 u vysoce p\u0159esn\u00fdch d\u00edl\u016f, zat\u00edmco gravita\u010dn\u00ed a vakuov\u00e9 lit\u00ed minimalizuj\u00ed vady, jako je p\u00f3rovitost.<\/p>\n<p>Pokro\u010dil\u00e9 metody, jako je lit\u00ed s dotlakem (squeeze casting) a hybridn\u00ed aditivn\u00ed v\u00fdroba, nab\u00edzej\u00ed vy\u0161\u0161\u00ed pevnost, m\u00e9n\u011b vad a v\u011bt\u0161\u00ed konstruk\u010dn\u00ed flexibilitu pro specializovan\u00e9 aplikace.<\/p>\n<h3>M\u016f\u017eete vysv\u011btlit proces tlakov\u00e9ho lit\u00ed?<\/h3>\n<p>Proces tlakov\u00e9ho lit\u00ed zahrnuje taven\u00ed kovu, jeho vst\u0159ikov\u00e1n\u00ed pod vysok\u00fdm tlakem do opakovan\u011b pou\u017eiteln\u00e9 ocelov\u00e9 formy, ochlazen\u00ed pro ztuhnut\u00ed tvaru a n\u00e1sledn\u00e9 vyjmut\u00ed hotov\u00e9ho d\u00edlu.<\/p>\n<p>Tento proces je rychl\u00fd a p\u0159esn\u00fd; v\u00fdsledkem jsou vysoce kvalitn\u00ed d\u00edly s detailn\u00edm proveden\u00edm, kter\u00e9 \u010dasto vy\u017eaduj\u00ed jen minim\u00e1ln\u00ed dokon\u010dovac\u00ed \u00fapravy.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tlakov\u00e9 lit\u00ed, \u0161iroce vyu\u017e\u00edvan\u00fd v\u00fdrobn\u00ed proces pro v\u00fdrobu slo\u017eit\u00fdch kovov\u00fdch d\u00edl\u016f, se \u010dasto pot\u00fdk\u00e1 s vadami, kter\u00e9 mohou naru\u0161it kvalitu a funk\u010dnost v\u00fdrobk\u016f. \u0158e\u0161en\u00ed t\u011bchto vad vy\u017eaduje pochopen\u00ed jejich p\u0159\u00ed\u010din, zaveden\u00ed \u00fa\u010dinn\u00fdch n\u00e1pravn\u00fdch opat\u0159en\u00ed a uplat\u0148ov\u00e1n\u00ed preventivn\u00edch postup\u016f. Porozita Definice: Porozita je vada, p\u0159i n\u00ed\u017e v odlitku vznikaj\u00ed drobn\u00e9 dutiny nebo bubliny v d\u016fsledku uzav\u0159en\u00ed [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":25520,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_seopress_titles_title":"Vady p\u0159i tlakov\u00e9m lit\u00ed a jejich \u0159e\u0161en\u00ed \u2013 Moldiecasting","_seopress_titles_desc":"Seznamte se s b\u011b\u017en\u00fdmi vadami p\u0159i tlakov\u00e9m lit\u00ed, jejich p\u0159\u00ed\u010dinami a \u00fa\u010dinn\u00fdmi \u0159e\u0161en\u00edmi. Zjist\u011bte, jak p\u0159edch\u00e1zet probl\u00e9m\u016fm p\u0159i odl\u00e9v\u00e1n\u00ed kov\u016f a dos\u00e1hnout optim\u00e1ln\u00edch v\u00fdsledk\u016f.","_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":"both","_seopress_redirections_param":"","_seopress_redirections_type":301,"_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":1,"footnotes":""},"categories":[219],"tags":[],"class_list":["post-23488","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog"],"acf":[],"_links":{"self":[{"href":"https:\/\/moldiecasting.com\/cs\/wp-json\/wp\/v2\/posts\/23488","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/moldiecasting.com\/cs\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/moldiecasting.com\/cs\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/moldiecasting.com\/cs\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/moldiecasting.com\/cs\/wp-json\/wp\/v2\/comments?post=23488"}],"version-history":[{"count":3,"href":"https:\/\/moldiecasting.com\/cs\/wp-json\/wp\/v2\/posts\/23488\/revisions"}],"predecessor-version":[{"id":26434,"href":"https:\/\/moldiecasting.com\/cs\/wp-json\/wp\/v2\/posts\/23488\/revisions\/26434"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/moldiecasting.com\/cs\/wp-json\/wp\/v2\/media\/25520"}],"wp:attachment":[{"href":"https:\/\/moldiecasting.com\/cs\/wp-json\/wp\/v2\/media?parent=23488"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/moldiecasting.com\/cs\/wp-json\/wp\/v2\/categories?post=23488"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/moldiecasting.com\/cs\/wp-json\/wp\/v2\/tags?post=23488"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}