{"id":23502,"date":"2025-05-20T12:40:18","date_gmt":"2025-05-20T04:40:18","guid":{"rendered":"https:\/\/moldiecasting.com\/?p=23502"},"modified":"2026-10-09T02:21:44","modified_gmt":"2026-10-08T18:21:44","slug":"sinker-edm-vs-wire-edm","status":"publish","type":"post","link":"https:\/\/moldiecasting.com\/cs\/blog\/sinker-edm-vs-wire-edm\/","title":{"rendered":"Hloubic\u00ed EDM vs. dr\u00e1tov\u00e9 EDM: jak zvolit spr\u00e1vnou metodu elektroerozivn\u00edho obr\u00e1b\u011bn\u00ed"},"content":{"rendered":"<p>Pojem EDM (<span style=\"color: #3366ff;\"><a style=\"color: #3366ff;\" href=\"https:\/\/moldiecasting.com\/cs\/blog\/types-of-edm-machining\/\">elektroerozivn\u00ed obr\u00e1b\u011bn\u00ed<\/a><\/span>) ozna\u010duje p\u0159edev\u0161\u00edm dva v\u00fdkonn\u00e9 procesy: hloubic\u00ed a dr\u00e1tov\u00e9 EDM. Oba odeb\u00edraj\u00ed kov \u0159\u00edzen\u00fdmi elektrick\u00fdmi v\u00fdboji a vynikaj\u00ed p\u0159i obr\u00e1b\u011bn\u00ed kalen\u00fdch vodiv\u00fdch materi\u00e1l\u016f. V praxi se v\u0161ak hod\u00ed pro r\u016fzn\u00e9 prvky, vy\u017eaduj\u00ed odli\u0161n\u00e9 n\u00e1stroje a li\u0161\u00ed se n\u00e1roky na p\u0159\u00edpravu i kvalitu dokon\u010den\u00ed.<\/p>\n<p>Tento pr\u016fvodce jasn\u011bji vysv\u011btluje principy, pou\u017eit\u00ed a krit\u00e9ria v\u00fdb\u011bru hloubic\u00edho a dr\u00e1tov\u00e9ho EDM. Pom\u016f\u017ee v\u00e1m zvolit spr\u00e1vnou metodu elektroerozivn\u00edho obr\u00e1b\u011bn\u00ed je\u0161t\u011b p\u0159ed zah\u00e1jen\u00edm v\u00fdroby.<\/p>\n<h2>Jak funguje hloubic\u00ed a dr\u00e1tov\u00e9 EDM<\/h2>\n<h3>Hloubic\u00ed EDM (ram EDM)<\/h3>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-1340\" src=\"https:\/\/moldiecasting.com\/wp-content\/uploads\/2025\/04\/2.jpg\" alt=\"hlouben\u00ed elektroerozivn\u00edm obr\u00e1b\u011bn\u00edm\" width=\"800\" height=\"450\" srcset=\"https:\/\/moldiecasting.com\/wp-content\/uploads\/2025\/04\/2.jpg 800w, https:\/\/moldiecasting.com\/wp-content\/uploads\/2025\/04\/2-300x169.jpg 300w, https:\/\/moldiecasting.com\/wp-content\/uploads\/2025\/04\/2-768x432.jpg 768w, https:\/\/moldiecasting.com\/wp-content\/uploads\/2025\/04\/2-18x10.jpg 18w, https:\/\/moldiecasting.com\/wp-content\/uploads\/2025\/04\/2-600x338.jpg 600w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><\/p>\n<p>P\u0159i tomto procesu se tvarovan\u00e1 elektroda, obvykle z grafitu nebo m\u011bdi, zano\u0159uje do obrobku. Elektroda i d\u00edl jsou pono\u0159eny v dielektrick\u00e9 kapalin\u011b, kter\u00e1 izoluje, chlad\u00ed a odplavuje erodovan\u00e9 \u010d\u00e1stice. B\u011bhem EDM vznik\u00e1 mezi elektrodou a obrobkem \u0159ada rychl\u00fdch elektrick\u00fdch v\u00fdboj\u016f, kter\u00e9 odeb\u00edraj\u00ed materi\u00e1l a p\u0159esn\u011b kop\u00edruj\u00ed tvar elektrody.<\/p>\n<p>Hloubic\u00ed EDM je preferovanou metodou pro v\u00fdrobu slep\u00fdch prvk\u016f, jako jsou dutiny forem, detaily n\u00e1stroj\u016f a slo\u017eit\u00e9 3D tvary, kter\u00e9 nelze fr\u00e9zovat kv\u016fli pr\u016fhybu n\u00e1stroje nebo omezen\u00e9mu dosahu. Nev\u00fdhodou je samotn\u00e1 elektroda: n\u00e1vrh a v\u00fdroba elektrod na m\u00edru, \u010dasto n\u011bkolika pro hrubov\u00e1n\u00ed a dokon\u010dov\u00e1n\u00ed, prodlu\u017euj\u00ed p\u0159\u00edpravu a zvy\u0161uj\u00ed n\u00e1klady. U hlubok\u00fdch prvk\u016f s vysok\u00fdm pom\u011brem hloubky k \u0161\u00ed\u0159ce v hou\u017eevnat\u00fdch materi\u00e1lech, nap\u0159\u00edklad v kalen\u00e9 oceli, v\u0161ak \u010dasto jde o jedin\u00e9 spolehliv\u00e9 \u0159e\u0161en\u00ed.<\/p>\n<h3>Dr\u00e1tov\u00e9 EDM (\u0159ez\u00e1n\u00ed dr\u00e1tem elektrick\u00fdmi v\u00fdboji)<\/h3>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-1339\" src=\"https:\/\/moldiecasting.com\/wp-content\/uploads\/2025\/04\/1.jpg\" alt=\"dr\u00e1tov\u00e9 elektroerozivn\u00ed obr\u00e1b\u011bn\u00ed\" width=\"800\" height=\"450\" srcset=\"https:\/\/moldiecasting.com\/wp-content\/uploads\/2025\/04\/1.jpg 800w, https:\/\/moldiecasting.com\/wp-content\/uploads\/2025\/04\/1-300x169.jpg 300w, https:\/\/moldiecasting.com\/wp-content\/uploads\/2025\/04\/1-768x432.jpg 768w, https:\/\/moldiecasting.com\/wp-content\/uploads\/2025\/04\/1-18x10.jpg 18w, https:\/\/moldiecasting.com\/wp-content\/uploads\/2025\/04\/1-600x338.jpg 600w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><\/p>\n<p>Dr\u00e1tov\u00e9 EDM pou\u017e\u00edv\u00e1 tenk\u00fd dr\u00e1t (\u010dasto o pr\u016fm\u011bru 0.010\u201d), kter\u00fd se pr\u016fb\u011b\u017en\u011b posouv\u00e1 a slou\u017e\u00ed jako elektroda. Kovov\u00fd dr\u00e1t se pohybuje po naprogramovan\u00e9 dr\u00e1ze, p\u0159ev\u00e1\u017en\u011b v rovin\u011b X\/Y, zat\u00edmco horn\u00ed a doln\u00ed vod\u00edtka se mohou pohybovat nez\u00e1visle a \u0159ezat \u00fakosy nebo slo\u017eit\u00e9 obrysy. Dr\u00e1t se st\u00e1le odv\u00edj\u00ed z c\u00edvky, tak\u017ee \u0159ez prov\u00e1d\u00ed v\u017edy jeho nov\u00e1 \u010d\u00e1st a v\u00fdkon z\u016fst\u00e1v\u00e1 konzistentn\u00ed.<\/p>\n<p>Tato metoda je omezena na pr\u016fchoz\u00ed \u0159ezy; u vnit\u0159n\u00edch prvk\u016f je t\u0159eba p\u0159edvrtat zav\u00e1d\u011bc\u00ed otvor. Programov\u00e1n\u00ed je mimo\u0159\u00e1dn\u011b rychl\u00e9 a upnut\u00ed snadn\u00e9. Dr\u00e1tov\u00e9 EDM je proto ide\u00e1ln\u00ed pro v\u00fdrobu pr\u016fst\u0159i\u017en\u00edk\u016f, st\u0159i\u017enic a p\u0159esn\u00fdch ploch\u00fdch d\u00edl\u016f i pro vy\u0159ez\u00e1v\u00e1n\u00ed slo\u017eit\u00fdch tvar\u016f z desek s v\u00fdbornou opakovatelnost\u00ed a kvalitn\u00edm povrchem.<\/p>\n<h3>Mechanical Differences Between Sinker EDM and Wire EDM<\/h3>\n<table>\n<tbody>\n<tr>\n<td>Vlastnost<\/td>\n<td>Hloubic\u00ed EDM<\/td>\n<td>Dr\u00e1tov\u00e9 EDM<\/td>\n<\/tr>\n<tr>\n<td>Geometrie a p\u0159\u00edstup<\/td>\n<td>Vynik\u00e1 u slep\u00fdch prvk\u016f, jako jsou dutiny se dnem, hlubok\u00e1 \u017eebra a vnit\u0159n\u00ed dr\u00e1\u017ekov\u00e1n\u00ed. Nevy\u017eaduje pr\u016fchoz\u00ed p\u0159\u00edstup.<\/td>\n<td>Omezeno na pr\u016fchoz\u00ed \u0159ezy. Ide\u00e1ln\u00ed pro slo\u017eit\u00e9 2D profily a obrysy. Vy\u017eaduje odkrytou hranu nebo zav\u00e1d\u011bc\u00ed otvor.<\/td>\n<\/tr>\n<tr>\n<td>Tolerance a povrch<\/td>\n<td>Dosahuje \u00fazk\u00fdch toleranc\u00ed (\u00b10.0002\u20130.001&#8243;)<\/td>\n<td>B\u011b\u017en\u011b dodr\u017euje \u00fazk\u00e9 tolerance (\u00b10.0001\u20130.0002&#8243;) a n\u011bkolika dokon\u010dovac\u00edmi pr\u016fchody p\u0159\u00edmo vytv\u00e1\u0159\u00ed kvalitn\u00ed povrch.<\/td>\n<\/tr>\n<tr>\n<td>Hlavn\u00ed v\u00fdhoda<\/td>\n<td>Vytv\u00e1\u0159\u00ed slo\u017eit\u00e9 3D dutiny nedostupn\u00e9 jin\u00fdm n\u00e1stroj\u016fm.<\/td>\n<td>Vysoce p\u0159esn\u00e9 2D obrysy s minim\u00e1ln\u00ed p\u0159\u00edpravou; \u201edr\u00e1t\u201c je univerz\u00e1ln\u00ed n\u00e1stroj.<\/td>\n<\/tr>\n<tr>\n<td>Materi\u00e1ly<\/td>\n<td colspan=\"2\">Oba procesy obr\u00e1b\u011bj\u00ed \u0161irokou \u0161k\u00e1lu vodiv\u00fdch materi\u00e1l\u016f v\u010detn\u011b kalen\u00e9 n\u00e1strojov\u00e9 oceli, karbid\u016f a speci\u00e1ln\u00edch slitin; tvrdost materi\u00e1lu p\u0159itom nep\u0159edstavuje omezen\u00ed.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h3>Minim\u00e1ln\u00ed polom\u011bry a detaily roh\u016f<\/h3>\n<p><strong>Dr\u00e1tov\u00e9 EDM<\/strong> vytv\u00e1\u0159\u00ed velmi ostr\u00e9 vnit\u0159n\u00ed rohy a jemn\u00e9 detaily; omezen\u00edm je p\u0159edev\u0161\u00edm pr\u016fm\u011br dr\u00e1tu a \u0159\u00edzen\u00ed roh\u016f. Pokud jsou zapot\u0159eb\u00ed mimo\u0159\u00e1dn\u011b jemn\u00e1 zaoblen\u00ed, pou\u017eijte ten\u010d\u00ed dr\u00e1t (nap\u0159. 0.006\u20130.004 in) a n\u011bkolik dokon\u010dovac\u00edch pr\u016fchod\u016f.<\/p>\n<p>Nejmen\u0161\u00ed prvky p\u0159i <strong>hloubic\u00edm EDM<\/strong> z\u00e1vis\u00ed na geometrii a tuhosti elektrody. Jemn\u011bj\u0161\u00ed hroty jsou mo\u017en\u00e9, ale jsou k\u0159eh\u010d\u00ed a jejich vypalov\u00e1n\u00ed trv\u00e1 d\u00e9le. Pro velmi ostr\u00e9 profily pr\u016fst\u0159i\u017en\u00edk\u016f nebo jemn\u00e9 dr\u00e1\u017eky b\u00fdv\u00e1 \u010dist\u0161\u00ed volbou dr\u00e1tov\u00e9 EDM.<\/p>\n<h3>\u00dakos, hloubka a pom\u011br stran<\/h3>\n<p><strong>Hloubic\u00ed EDM<\/strong> zvl\u00e1d\u00e1 r\u016fzn\u00e9 hloubky. \u017debra s vysok\u00fdm pom\u011brem stran, hlubok\u00e9 kapsy a vysok\u00e9 st\u011bny s minim\u00e1ln\u00edm \u00fakosem jsou p\u0159i spr\u00e1vn\u00e9m odplavov\u00e1n\u00ed \u010d\u00e1stic a pou\u017eit\u00ed elektrod pro jednotliv\u00e9 f\u00e1ze b\u011b\u017en\u00e9.<\/p>\n<p><strong>Dr\u00e1tov\u00e9 EDM<\/strong> omezuje maxim\u00e1ln\u00ed osa Z stroje (v\u00fd\u0161ka obrobku) a p\u0159\u00edstup. Dok\u00e1\u017ee \u0159ezat \u00fakosy a vysok\u00e9 profily, ale extr\u00e9mn\u00ed hloubky nebo prvky bez pr\u016fchoz\u00edho p\u0159\u00edstupu nejsou provediteln\u00e9. Pokud n\u00e1vrh vy\u017eaduje hlubokou dutinu se dnem, zvolte hloubic\u00ed EDM.<\/p>\n<h3>Tepeln\u011b ovlivn\u011bn\u00e1 oblast, p\u0159etaven\u00e1 vrstva a nap\u011bt\u00ed<\/h3>\n<p>Oba procesy vytv\u00e1\u0159ej\u00ed jiskrovou eroz\u00ed tenkou p\u0159etavenou vrstvu a tepeln\u011b ovlivn\u011bnou oblast. Proto\u017ee n\u00e1stroj nevyv\u00edj\u00ed tlak, zbytkov\u00e9 nap\u011bt\u00ed b\u00fdv\u00e1 obvykle minim\u00e1ln\u00ed. Dokon\u010dovac\u00ed pr\u016fchody, optimalizovan\u00e9 parametry a n\u00e1sledn\u00e9 le\u0161t\u011bn\u00ed \u010di lept\u00e1n\u00ed mohou p\u0159etavenou vrstvu zmen\u0161it tak, aby d\u00edl splnil n\u00e1ro\u010dn\u00e9 po\u017eadavky letectv\u00ed nebo zdravotnictv\u00ed.<\/p>\n<h2>Rozd\u00edly v rychlosti a n\u00e1kladech mezi dr\u00e1tov\u00fdm a hloubic\u00edm EDM<\/h2>\n<h3>P\u0159\u00edprava a upnut\u00ed<\/h3>\n<p><strong>Dr\u00e1tov\u00e9 EDM<\/strong> vynik\u00e1 efektivitou p\u0159\u00edpravy. D\u00edly lze snadno upnout a programov\u00e1n\u00ed je p\u0159\u00edmo\u010dar\u00e9. Jedin\u00fdm omezen\u00edm je p\u0159\u00edstup: u vnit\u0159n\u00edch profil\u016f je zapot\u0159eb\u00ed zav\u00e1d\u011bc\u00ed otvor. U s\u00e9ri\u00ed stejn\u00fdch 2D tvar\u016f je dr\u00e1tov\u00e9 obr\u00e1b\u011bn\u00ed mimo\u0159\u00e1dn\u011b konzistentn\u00ed a hospod\u00e1rn\u00e9.<\/p>\n<p>P\u0159\u00edprava <strong>hloubic\u00edho EDM<\/strong> z\u00e1vis\u00ed p\u0159edev\u0161\u00edm na strategii elektrod. \u010cas a n\u00e1klady p\u0159edstavuje jejich n\u00e1vrh, obr\u00e1b\u011bn\u00ed a ov\u011b\u0159en\u00ed spolu s kontrolou parametr\u016f eroze. Upnut\u00ed je flexibiln\u00ed a proces m\u016f\u017ee za\u010d\u00edt na libovoln\u00e9m m\u00edst\u011b povrchu. U hlubok\u00fdch a slo\u017eit\u00fdch dutin, kter\u00e9 se obt\u00ed\u017en\u011b fr\u00e9zuj\u00ed, se po\u010d\u00e1te\u010dn\u00ed n\u00e1klady \u010dasto vr\u00e1t\u00ed d\u00edky v\u00fdrob\u011b prvk\u016f, kter\u00e9 by jinak byly nepraktick\u00e9.<\/p>\n<h3>Spot\u0159eba elektrod a dr\u00e1tu<\/h3>\n<p><strong>Dr\u00e1tov\u00e9 EDM<\/strong> spot\u0159ebov\u00e1v\u00e1 dr\u00e1t nep\u0159etr\u017eit\u011b. Spot\u0159ebu materi\u00e1lu lze p\u0159edv\u00eddat a z\u00e1vis\u00ed na d\u00e9lce a tlou\u0161\u0165ce \u0159ezu.<\/p>\n<p><strong>Hloubic\u00ed EDM<\/strong> spot\u0159ebov\u00e1v\u00e1 elektrody, n\u011bkdy n\u011bkolik pro jeden prvek. Opot\u0159eben\u00ed elektrod a v\u00fdroba dal\u0161\u00edch kus\u016f pro dokon\u010dovac\u00ed pr\u016fchody mohou tvo\u0159it v\u00fdznamnou \u010d\u00e1st celkov\u00fdch n\u00e1klad\u016f zak\u00e1zky. P\u0159i kalkulaci hloubic\u00edho EDM hraje z\u00e1sadn\u00ed roli po\u010det a slo\u017eitost elektrod.<\/p>\n<h3>Mo\u017enosti automatizace<\/h3>\n<p>Modern\u00ed pracovi\u0161t\u011b pro dr\u00e1tov\u00e9 i hloubic\u00ed EDM podporuj\u00ed rozs\u00e1hlou automatizaci: v\u00fdm\u011bn\u00edky n\u00e1stroj\u016f, paletov\u00e9 up\u00edn\u00e1n\u00ed a spolehliv\u00fd bezobslu\u017en\u00fd provoz. Dr\u00e1tov\u00e9 EDM se zvl\u00e1\u0161\u0165 hod\u00ed pro no\u010dn\u00ed bezobslu\u017enou v\u00fdrobu vrstven\u00fdch desek nebo vno\u0159en\u00fdch d\u00edl\u016f. Bezobslu\u017en\u011b m\u016f\u017ee pracovat i hloubic\u00ed EDM s n\u011bkolika p\u0159ipraven\u00fdmi elektrodami a m\u011b\u0159en\u00edm ve stroji, pokud je pl\u00e1n eroze ov\u011b\u0159en.<\/p>\n<h2>Typick\u00e9 sc\u00e9n\u00e1\u0159e pou\u017eit\u00ed<\/h2>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-1338\" src=\"https:\/\/moldiecasting.com\/wp-content\/uploads\/2025\/04\/3.jpg\" alt=\"pou\u017eit\u00ed dr\u00e1tov\u00e9ho elektroerozivn\u00edho obr\u00e1b\u011bn\u00ed\" width=\"800\" height=\"450\" srcset=\"https:\/\/moldiecasting.com\/wp-content\/uploads\/2025\/04\/3.jpg 800w, https:\/\/moldiecasting.com\/wp-content\/uploads\/2025\/04\/3-300x169.jpg 300w, https:\/\/moldiecasting.com\/wp-content\/uploads\/2025\/04\/3-768x432.jpg 768w, https:\/\/moldiecasting.com\/wp-content\/uploads\/2025\/04\/3-18x10.jpg 18w, https:\/\/moldiecasting.com\/wp-content\/uploads\/2025\/04\/3-600x338.jpg 600w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><\/p>\n<h3>Pou\u017eit\u00ed hloubic\u00edho EDM<\/h3>\n<p>J\u00e1dra a dutiny, kapsy pro vyhazova\u010de, konformn\u00ed prvky, hlubok\u00e1 \u017eebra a vnit\u0159n\u00ed dr\u00e1\u017ekov\u00e1n\u00ed <span style=\"color: #3366ff;\"><a style=\"color: #3366ff;\" href=\"https:\/\/moldiecasting.com\/cs\/die-casting-dies\/\">formy pro tlakov\u00e9 lit\u00ed<\/a><\/span> jsou vhodn\u00fdmi prvky pro hloubic\u00ed EDM. Dopl\u0148uje tak\u00e9 tvrd\u00e9 fr\u00e9zov\u00e1n\u00ed, pokud je mechanick\u00e9 \u0159ez\u00e1n\u00ed kv\u016fli omezen\u00e9mu dosahu, pr\u016fhybu n\u00e1stroje nebo mal\u00fdm polom\u011br\u016fm riskantn\u00ed \u010di nemo\u017en\u00e9. U slep\u00fdch nebo prostorov\u00fdch prvk\u016f s r\u016fznou hloubkou poskytuje pot\u0159ebnou kontrolu.<\/p>\n<h3>Pou\u017eit\u00ed dr\u00e1tov\u00e9ho EDM<\/h3>\n<p>Dr\u00e1tov\u00e9 EDM vynik\u00e1 u pr\u016fchoz\u00edch profil\u016f: p\u0159i v\u00fdrob\u011b pr\u016fst\u0159i\u017en\u00edk\u016f a st\u0159i\u017enic, ozuben\u00fdch kol a \u0159et\u011bzov\u00fdch kol, polotovar\u016f chirurgick\u00fdch n\u00e1stroj\u016f, vy\u0159ez\u00e1v\u00e1n\u00ed vlo\u017eek a d\u011blen\u00ed p\u0159esn\u00fdch ploch\u00fdch d\u00edl\u016f z desek. Nab\u00edz\u00ed \u00fazk\u00e9 tolerance, opakovatelnost mezi s\u00e9riemi a v\u00fdbornou kvalitu hran, \u010dasto p\u0159\u00edmo po dokon\u010dovac\u00edch pr\u016fchodech ve stroji.<\/p>\n<h3>Kombinovan\u00e9 pracovn\u00ed postupy<\/h3>\n<p>Slo\u017eit\u00e9 n\u00e1stroje \u010dasto t\u011b\u017e\u00ed z kombinace obou metod. Dr\u00e1tov\u00e9 EDM m\u016f\u017ee nap\u0159\u00edklad nahrubo vy\u0159\u00edznout vnit\u0159n\u00ed dr\u00e1\u017eky nebo odebrat v\u011bt\u0161inu materi\u00e1lu, a zkr\u00e1tit tak dobu hloubic\u00ed eroze. Hloubic\u00ed EDM pak dokon\u010d\u00ed jemn\u00e9 3D detaily a slep\u00e9 prvky. Tento kombinovan\u00fd p\u0159\u00edstup zkracuje cyklus, sni\u017euje po\u010det elektrod a zlep\u0161uje celkovou ekonomiku.<\/p>\n<h2>Praktick\u00fd kontroln\u00ed seznam pro v\u00fdb\u011br<\/h2>\n<h3>Ot\u00e1zky p\u0159ed v\u00fdb\u011brem<\/h3>\n<ul>\n<li>Jde o pr\u016fchoz\u00ed \u0159ez, nebo slepou dutinu?<\/li>\n<li>Jak\u00e1 tolerance a kvalita povrchu jsou po\u017eadov\u00e1ny na funk\u010dn\u00edch ploch\u00e1ch?<\/li>\n<li>Jak\u00fd je materi\u00e1l a tlou\u0161\u0165ka\/v\u00fd\u0161ka d\u00edlu?<\/li>\n<li>Obsahuje d\u00edl velmi mal\u00e9 vnit\u0159n\u00ed polom\u011bry nebo ostr\u00e9 rohy?<\/li>\n<li>Jak\u00fd je objem v\u00fdroby a po\u017eadavek na opakovatelnost?<\/li>\n<li>Existuj\u00ed omezen\u00ed p\u0159\u00edstupu (pot\u0159eba zav\u00e1d\u011bc\u00edho otvoru nebo chyb\u011bj\u00edc\u00ed vn\u011bj\u0161\u00ed hrana)?<\/li>\n<\/ul>\n<h3>\u00dadaje pro v\u00fdrobce EDM<\/h3>\n<ul>\n<li>3D CAD (a 2D v\u00fdkresy s GD&amp;T) s jasn\u011b vyzna\u010den\u00fdmi prvky pro EDM<\/li>\n<li>Specifikace materi\u00e1lu a jeho tvrdost\/stav<\/li>\n<li>Tlou\u0161\u0165ka\/v\u00fd\u0161ka d\u00edlu a p\u0159\u00edpadn\u00e9 po\u017eadavky na \u00fakos<\/li>\n<li>Po\u017eadovan\u00e9 tolerance a ozna\u010den\u00ed kvality povrchu pro ka\u017edou plochu<\/li>\n<li>Z\u00e1m\u011br konstrukce: slep\u00e9 dutiny nebo pr\u016fchoz\u00ed \u0159ezy; minim\u00e1ln\u00ed polom\u011bry<\/li>\n<li>Mno\u017estv\u00ed, po\u017eadovan\u00fd term\u00edn dod\u00e1n\u00ed a p\u0159\u00edpadn\u00e9 po\u017eadavky na bezobslu\u017en\u00fd provoz \u010di automatizaci<\/li>\n<\/ul>\n<h2>Z\u00e1v\u011br: Existuje \u201elep\u0161\u00ed\u201c metoda EDM?<\/h2>\n<p>Nejde o jednoduchou ot\u00e1zku s odpov\u011bd\u00ed ano \u010di ne. Rozumn\u011bj\u0161\u00ed odpov\u011b\u010f zn\u00ed: \u201eZvolte spr\u00e1vn\u00fd n\u00e1stroj pro konkr\u00e9tn\u00ed \u00fakol.\u201c Hloubic\u00ed EDM vynik\u00e1 u slo\u017eit\u00fdch 3D dutin a slep\u00fdch prvk\u016f, zat\u00edmco dr\u00e1tov\u00e9 EDM nem\u00e1 konkurenci p\u0159i p\u0159esn\u00e9m \u0159ez\u00e1n\u00ed pr\u016fchoz\u00edch profil\u016f. Optim\u00e1ln\u00ed volbu nakonec ur\u010duje \u0159ada krit\u00e9ri\u00ed.<\/p>\n<h2>\u010casto kladen\u00e9 ot\u00e1zky<\/h2>\n<h3>M\u016f\u017ee doj\u00edt ke konfliktu s povlaky, pokoven\u00edm nebo n\u00e1slednou povrchovou \u00fapravou?<\/h3>\n<p>P\u0159i EDM vznik\u00e1 tenk\u00e1 p\u0159etaven\u00e1 vrstva, kter\u00e1 m\u016f\u017ee ovlivnit p\u0159ilnavost nebo difuzi povlak\u016f a pokoven\u00ed. V\u00fdrobci ji mohou odstranit nebo omezit pomoc\u00ed <span style=\"color: #3366ff;\"><a style=\"color: #3366ff;\" href=\"https:\/\/moldiecasting.com\/cs\/die-casting-surface-treatment\/\">povrchov\u00fdch \u00faprav<\/a><\/span>, nap\u0159\u00edklad dokon\u010dovac\u00ed eroz\u00ed nebo lehk\u00fdm brou\u0161en\u00edm \u010di le\u0161t\u011bn\u00edm. Pl\u00e1nujete-li n\u00e1sledn\u00e9 tepeln\u00e9 zpracov\u00e1n\u00ed, sd\u011blte to p\u0159edem. V\u00fdrobce m\u016f\u017ee upravit parametry eroze nebo napl\u00e1novat EDM a\u017e po tepeln\u00e9m zpracov\u00e1n\u00ed, aby se p\u0159ede\u0161lo konflikt\u016fm s p\u0159etavenou vrstvou \u010di zm\u011bknut\u00edm materi\u00e1lu.<\/p>\n<h3>Co zp\u016fsobuje p\u0159etr\u017een\u00ed dr\u00e1tu p\u0159i dr\u00e1tov\u00e9m EDM a jak tomu p\u0159edch\u00e1zet?<\/h3>\n<p>P\u0159\u00ed\u010din m\u016f\u017ee b\u00fdt n\u011bkolik: nedostate\u010dn\u00e9 odplavov\u00e1n\u00ed \u010d\u00e1stic, p\u0159\u00edli\u0161 vysok\u00e1 energie v\u00fdboj\u016f pro dan\u00fd pr\u016f\u0159ez, nespr\u00e1vn\u00e9 napnut\u00ed dr\u00e1tu nebo nesouosost vod\u00edtek, abrazivn\u00ed vm\u011bstky v materi\u00e1lu, p\u0159\u00edli\u0161 ostr\u00e9 zm\u011bny sm\u011bru a dal\u0161\u00ed.<\/p>\n<p>Aby se jemn\u00fd dr\u00e1t nep\u0159etrhl, v\u00fdrobci \u010dasto optimalizuj\u00ed cesty proplachov\u00e1n\u00ed, v bl\u00edzkosti kritick\u00fdch prvk\u016f pou\u017e\u00edvaj\u00ed pr\u016fchody s ni\u017e\u0161\u00ed energi\u00ed, vol\u00ed v\u00edcepr\u016fchodov\u00e9 strategie a pevn\u011bj\u0161\u00ed upnut\u00ed.<\/p>\n<h3>Jak p\u0159i EDM upnout k\u0159ehk\u00e9 nebo tenk\u00e9 \u010d\u00e1sti?<\/h3>\n<p>Pou\u017e\u00edvejte segmentovan\u00e9 podp\u011bry, ob\u011btovan\u00e9 podkladov\u00e9 desky, m\u011bkk\u00e9 sv\u011brky rozkl\u00e1daj\u00edc\u00ed zat\u00ed\u017een\u00ed a postupn\u00e9 strategie \u0159ez\u00e1n\u00ed (p\u0159edb\u011b\u017en\u00e9 hrubov\u00e1n\u00ed s ni\u017e\u0161\u00ed energi\u00ed). U velmi tenk\u00fdch \u010di k\u0159ehk\u00fdch d\u00edl\u016f mohou v\u00fdrobci doporu\u010dit p\u0159ilepen\u00ed k nosn\u00e9 desce nebo skl\u00e1d\u00e1n\u00ed\/vno\u0159en\u00ed, aby se omezila deformace a umo\u017enilo<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Pojem EDM (elektroerozivn\u00ed obr\u00e1b\u011bn\u00ed) ozna\u010duje p\u0159edev\u0161\u00edm dva v\u00fdkonn\u00e9 procesy: hloubic\u00ed a dr\u00e1tov\u00e9 EDM. Oba odeb\u00edraj\u00ed kov \u0159\u00edzen\u00fdmi elektrick\u00fdmi v\u00fdboji a vynikaj\u00ed p\u0159i obr\u00e1b\u011bn\u00ed kalen\u00fdch vodiv\u00fdch materi\u00e1l\u016f. V praxi se v\u0161ak hod\u00ed pro r\u016fzn\u00e9 prvky, vy\u017eaduj\u00ed odli\u0161n\u00e9 n\u00e1stroje a li\u0161\u00ed se n\u00e1roky na p\u0159\u00edpravu i kvalitu dokon\u010den\u00ed. Tento pr\u016fvodce jasn\u011bji vysv\u011btluje principy, pou\u017eit\u00ed a krit\u00e9ria v\u00fdb\u011bru [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":24141,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_seopress_titles_title":"Hloubic\u00ed EDM vs. dr\u00e1tov\u00e9 EDM: jak zvolit spr\u00e1vnou metodu elektroerozivn\u00edho obr\u00e1b\u011bn\u00ed","_seopress_titles_desc":"Porovnejte hloubic\u00ed a dr\u00e1tov\u00e9 EDM. Poznejte elektroerozivn\u00ed obr\u00e1b\u011bn\u00ed, 3D dutiny, p\u0159esn\u00e9 \u0159ezy, optim\u00e1ln\u00ed rychlost i kvalitu povrchu.","_seopress_robots_index":"","_seopress_robots_follow":"","_seopress_robots_imageindex":"","_seopress_robots_snippet":"","_seopress_robots_primary_cat":"none","_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":2,"footnotes":""},"categories":[219],"tags":[],"class_list":["post-23502","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\/23502","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=23502"}],"version-history":[{"count":4,"href":"https:\/\/moldiecasting.com\/cs\/wp-json\/wp\/v2\/posts\/23502\/revisions"}],"predecessor-version":[{"id":26439,"href":"https:\/\/moldiecasting.com\/cs\/wp-json\/wp\/v2\/posts\/23502\/revisions\/26439"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/moldiecasting.com\/cs\/wp-json\/wp\/v2\/media\/24141"}],"wp:attachment":[{"href":"https:\/\/moldiecasting.com\/cs\/wp-json\/wp\/v2\/media?parent=23502"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/moldiecasting.com\/cs\/wp-json\/wp\/v2\/categories?post=23502"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/moldiecasting.com\/cs\/wp-json\/wp\/v2\/tags?post=23502"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}