{"id":23501,"date":"2024-07-15T16:38:18","date_gmt":"2024-07-15T08:38:18","guid":{"rendered":"https:\/\/moldiecasting.com\/?p=23501"},"modified":"2026-10-09T02:21:44","modified_gmt":"2026-10-08T18:21:44","slug":"types-of-edm-machining-2","status":"publish","type":"post","link":"https:\/\/moldiecasting.com\/cs\/blog\/types-of-edm-machining-2\/","title":{"rendered":"Typy elektroerozivn\u00edho obr\u00e1b\u011bn\u00ed: rychl\u00fd pr\u016fvodce metodami a jejich pou\u017eit\u00edm"},"content":{"rendered":"

EDM dr\u00e1tov\u00e9 \u0159ez\u00e1n\u00ed (Wire-Cut EDM)<\/h2>\n

EDM dr\u00e1tov\u00e9 \u0159ez\u00e1n\u00ed, ozna\u010dovan\u00e9 tak\u00e9 jako dr\u00e1tov\u00e9 elektroerozivn\u00ed obr\u00e1b\u011bn\u00ed, pou\u017e\u00edv\u00e1 tenk\u00fd dr\u00e1t k p\u0159esn\u00e9mu \u0159ez\u00e1n\u00ed tvar\u016f do kovu.<\/p>\n

Jak funguje dr\u00e1tov\u00e9 EDM<\/h3>\n

P\u0159i dr\u00e1tov\u00e9m EDM slou\u017e\u00ed jako elektroda tenk\u00fd dr\u00e1t. Obvykle je vyroben z mosazi nebo m\u011bdi a je napnut\u00fd mezi dv\u011bma c\u00edvkami. Dr\u00e1t se kovov\u00e9ho obrobku nikdy nedot\u00fdk\u00e1.<\/p>\n

Mezi dr\u00e1tem a obrobkem vznikaj\u00ed elektrick\u00e9 v\u00fdboje, kter\u00e9 odstra\u0148uj\u00ed mal\u00e9 \u010d\u00e1ste\u010dky kovu. Obrobek je pono\u0159en do dielektrick\u00e9 kapaliny, kter\u00e1 v\u00fdboje \u0159\u00edd\u00ed, chlad\u00ed oblast \u0159ezu a odplavuje \u010d\u00e1stice. CNC syst\u00e9m vede dr\u00e1t po p\u0159esn\u00e9 dr\u00e1ze a vytv\u00e1\u0159\u00ed po\u017eadovan\u00fd profil.<\/p>\n

Pou\u017eit\u00ed dr\u00e1tov\u00e9ho EDM<\/h3>\n

Dr\u00e1tov\u00e9 EDM se pou\u017e\u00edv\u00e1 v odv\u011btv\u00edch, kde jsou pot\u0159eba vysoce p\u0159esn\u00e9 d\u00edly. Lze j\u00edm nap\u0159\u00edklad vyr\u00e1b\u011bt formy a n\u00e1stroje pro lisov\u00e1n\u00ed, \u0159ez\u00e1n\u00ed nebo tv\u00e1\u0159en\u00ed kov\u016f a plast\u016f. Leteck\u00fd pr\u016fmysl tuto metodu vyu\u017e\u00edv\u00e1 k v\u00fdrob\u011b sou\u010d\u00e1st\u00ed motor\u016f a turb\u00edn. Zdravotnick\u00e9 firmy ji pou\u017e\u00edvaj\u00ed pro chirurgick\u00e9 n\u00e1stroje a implant\u00e1ty.<\/p>\n

Dr\u00e1tov\u00e9 EDM je tak\u00e9 vhodn\u00e9 pro v\u00fdrobu mal\u00fdch s\u00e9ri\u00ed, prototyp\u016f a d\u00edl\u016f ze zu\u0161lecht\u011bn\u00fdch materi\u00e1l\u016f, kter\u00e9 se obt\u00ed\u017en\u011b obr\u00e1b\u011bj\u00ed konven\u010dn\u00edmi metodami. Proto\u017ee nedoch\u00e1z\u00ed k p\u0159\u00edm\u00e9mu kontaktu n\u00e1stroje s d\u00edlem, lze \u0159ezat i tenk\u00e9 nebo k\u0159ehk\u00e9 sou\u010d\u00e1sti s n\u00edzk\u00fdm rizikem deformace.<\/p>\n

V\u00fdhody dr\u00e1tov\u00e9ho EDM<\/h3>\n

Dr\u00e1tov\u00fdm EDM lze s vysokou p\u0159esnost\u00ed \u0159ezat hou\u017eevnat\u00e9 a tvrd\u00e9 kovy. Umo\u017e\u0148uje vyr\u00e1b\u011bt sou\u010d\u00e1sti s velmi \u00fazk\u00fdmi tolerancemi, \u010dasto v \u0159\u00e1du n\u011bkolika mikrometr\u016f. Povrch b\u00fdv\u00e1 hladk\u00fd, tak\u017ee n\u00e1sledn\u00e9 dokon\u010dov\u00e1n\u00ed m\u016f\u017ee b\u00fdt omezen\u00e9 nebo nen\u00ed pot\u0159eba.<\/p>\n

Metoda nevy\u017eaduje speci\u00e1ln\u00ed \u0159ezn\u00e9 n\u00e1stroje pro jednotliv\u00e9 tvary. Lze vytv\u00e1\u0159et slo\u017eit\u00e9 profily, ostr\u00e9 vnit\u0159n\u00ed rohy a \u00fazk\u00e9 \u0161t\u011brbiny, kter\u00e9 se jin\u00fdmi postupy obt\u00ed\u017en\u011b vyr\u00e1b\u011bj\u00ed. Je v\u0161ak pomalej\u0161\u00ed ne\u017e n\u011bkter\u00e9 konven\u010dn\u00ed \u0159ezac\u00ed procesy a vy\u017eaduje elektricky vodiv\u00fd materi\u00e1l.<\/p>\n

Zahlubovac\u00ed EDM<\/h2>\n

Zahlubovac\u00ed EDM, zn\u00e1m\u00e9 tak\u00e9 jako elektroerozivn\u00ed obr\u00e1b\u011bn\u00ed elektrodou, dutinov\u00e9 nebo ponorn\u00e9 EDM, vyu\u017e\u00edv\u00e1 jiskrovou erozi k vytv\u00e1\u0159en\u00ed p\u0159esn\u00fdch tvar\u016f v kovu. Pou\u017e\u00edv\u00e1 se pro slo\u017eit\u00e9 dutiny a detaily, kter\u00e9 je obt\u00ed\u017en\u00e9 vyrobit jin\u00fdmi metodami.<\/p>\n

Rozd\u00edl mezi zahlubovac\u00edm a dr\u00e1tov\u00fdm EDM<\/h3>\n

Zahlubovac\u00ed EDM pou\u017e\u00edv\u00e1 tvarovanou elektrodu, \u010dasto z grafitu nebo m\u011bdi, kter\u00e1 se \u201ezano\u0159uje\u201c do obrobku. D\u00edky tomu lze uvnit\u0159 sou\u010d\u00e1sti vytv\u00e1\u0159et detailn\u00ed 3D tvary. Proces vyu\u017e\u00edv\u00e1 elektrick\u00e9 jiskry mezi elektrodou a kovem, kter\u00e9 materi\u00e1l postupn\u011b eroduj\u00ed podle tvaru elektrody.<\/p>\n

P\u0159i dr\u00e1tov\u00e9m EDM tenk\u00fd dr\u00e1t \u0159e\u017ee d\u00edl po naprogramovan\u00e9 dr\u00e1ze. Tato metoda je nejlep\u0161\u00ed pro pr\u016fchoz\u00ed \u0159ezy materi\u00e1lem nebo tvary s rovn\u00fdmi hranami. Zahlubovac\u00ed EDM je naopak vhodn\u011bj\u0161\u00ed pro dutiny, formy a tvary n\u00e1stroj\u016f. Nepou\u017e\u00edv\u00e1 souvisl\u00fd dr\u00e1t, ale speci\u00e1ln\u011b vyrobenou elektrodu.<\/p>\n

Jednoduch\u00e9 srovn\u00e1n\u00ed:<\/p>\n\n\n\n\n\n\n\n
Vlastnost<\/th>\nZahlubovac\u00ed EDM<\/th>\nDr\u00e1tov\u00e9 EDM<\/th>\n<\/tr>\n<\/thead>\n
Typ elektrody<\/td>\nTvarovan\u00e1 pln\u00e1 elektroda (beran)<\/td>\nTenk\u00fd dr\u00e1t<\/td>\n<\/tr>\n
Hlavn\u00ed pou\u017eit\u00ed<\/td>\nDutiny, slo\u017eit\u00e9 formy<\/td>\n\u0158ez\u00e1n\u00ed obrys\u016f<\/td>\n<\/tr>\n
Vytv\u00e1\u0159en\u00fd tvar<\/td>\nVnit\u0159n\u00ed 3D geometrie<\/td>\n2D profily a \u0159ezy<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

Pou\u017eit\u00ed zahlubovac\u00edho EDM<\/h3>\n

Zahlubovac\u00ed EDM se b\u011b\u017en\u011b pou\u017e\u00edv\u00e1 p\u0159i v\u00fdrob\u011b dutin forem pro vst\u0159ikov\u00e1n\u00ed plast\u016f, forem pro tlakov\u00e9 lit\u00ed a p\u0159esn\u00fdch n\u00e1stroj\u016f. Umo\u017e\u0148uje vytv\u00e1\u0159et ostr\u00e9 rohy, hlubok\u00e1 \u017eebra a drobn\u00e9 prvky, a to i v kalen\u00fdch materi\u00e1lech. Metoda je vhodn\u00e1 tak\u00e9 pro v\u00fdrobu dutin, kter\u00e9 nelze snadno vytvo\u0159it fr\u00e9zov\u00e1n\u00edm.<\/p>\n

Materi\u00e1ly vhodn\u00e9 pro zahlubovac\u00ed EDM<\/h3>\n

Zahlubovac\u00ed EDM lze pou\u017e\u00edt na mnoho elektricky vodiv\u00fdch materi\u00e1l\u016f. Nej\u010dast\u011bji se obr\u00e1b\u011bj\u00ed:<\/p>\n

    \n
  • N\u00e1strojov\u00e9 oceli<\/strong><\/li>\n
  • Kalen\u00e9 oceli<\/strong><\/li>\n
  • Titan<\/strong><\/li>\n
  • Karbid wolframu<\/strong><\/li>\n
  • M\u011b\u010f<\/strong><\/li>\n
  • Grafit<\/strong><\/li>\n
  • Hlin\u00edk (m\u00e9n\u011b \u010dast\u00fd kv\u016fli rychl\u00e9mu opot\u0159eben\u00ed elektrody)<\/strong><\/li>\n<\/ul>\n

    Aby zahlubovac\u00ed EDM fungovalo, mus\u00ed materi\u00e1l v\u00e9st elektrick\u00fd proud. Tvrd\u00e9 nebo tepeln\u011b zpracovan\u00e9 kovy jsou vhodn\u00e9, proto\u017ee p\u0159i procesu nep\u016fsob\u00ed \u0159ezn\u00e9 s\u00edly a obrobek se proto nekrout\u00ed jejich vlivem. Elektroda se v\u0161ak postupn\u011b opot\u0159ebov\u00e1v\u00e1, a jej\u00ed materi\u00e1l i konstrukci je proto nutn\u00e9 volit podle po\u017eadovan\u00e9 geometrie a p\u0159esnosti.<\/p>\n

    EDM vrt\u00e1n\u00ed otvor\u016f<\/h2>\n

    EDM vrt\u00e1n\u00ed otvor\u016f je metoda pro vytv\u00e1\u0159en\u00ed p\u0159esn\u00fdch hlubok\u00fdch otvor\u016f v elektricky vodiv\u00fdch kovech. Hod\u00ed se zejm\u00e9na pro otvory mal\u00e9ho pr\u016fm\u011bru, kter\u00fdch nelze dos\u00e1hnout b\u011b\u017en\u00fdmi vrt\u00e1ky.<\/p>\n

    Postup EDM vrt\u00e1n\u00ed otvor\u016f<\/h3>\n

    P\u0159i EDM vrt\u00e1n\u00ed se materi\u00e1l obrobku odstra\u0148uje elektrick\u00fdmi v\u00fdboji. Dut\u00e1 elektroda se p\u0159ibl\u00ed\u017e\u00ed k povrchu kovu. S\u00e9rie \u0159\u00edzen\u00fdch jisker vznik\u00e1 mezi elektrodou a kovem a odtavuje \u010di odpa\u0159uje mal\u00e9 mno\u017estv\u00ed materi\u00e1lu.<\/p>\n

    Stroj odplavuje ne\u010distoty dielektrickou kapalinou, \u010dasto deionizovanou vodou. T\u00edm udr\u017euje otvor \u010dist\u00fd a p\u0159edch\u00e1z\u00ed zkrat\u016fm. Proces je velmi p\u0159esn\u00fd a nevy\u017eaduje p\u0159\u00edm\u00fd kontakt, tak\u017ee lze vrtat tvrd\u00e9 nebo k\u0159ehk\u00e9 kovy bez jejich poprask\u00e1n\u00ed.<\/p>\n

    Touto metodou lze vrtat otvory o pr\u016fm\u011bru pouh\u00fdch 0.15 mm (0.006 inches). Je vhodn\u00e1 tak\u00e9 pro hlubok\u00e9 otvory, a to a\u017e do hloubky n\u011bkolika palc\u016f, s vysok\u00fdm pom\u011brem hloubky k pr\u016fm\u011bru. Otvor tak m\u016f\u017ee b\u00fdt mnohon\u00e1sobn\u011b hlub\u0161\u00ed, ne\u017e je jeho \u0161\u00ed\u0159ka.<\/p>\n

    V\u00fdhody mikro-vrt\u00e1n\u00ed<\/h3>\n

    EDM vrt\u00e1n\u00ed vytv\u00e1\u0159\u00ed rovnom\u011brn\u00e9 otvory bez ot\u0159ep\u016f. Sekund\u00e1rn\u00ed dokon\u010dov\u00e1n\u00ed obvykle nen\u00ed pot\u0159eba, co\u017e \u0161et\u0159\u00ed \u010das i pr\u00e1ci. Metoda je ide\u00e1ln\u00ed pro otvory v tvrd\u00fdch, k\u0159ehk\u00fdch nebo choulostiv\u00fdch d\u00edlech, kde by mechanick\u00e9 vrt\u00e1n\u00ed mohlo zp\u016fsobit po\u0161kozen\u00ed.
    \nrychl\u00e9 a p\u0159esn\u00e9<\/strong>, a to i v tvrd\u00fdch kovech, jako je titan nebo karbid. Proto\u017ee se n\u00e1stroj povrchu fyzicky nedot\u00fdk\u00e1, doch\u00e1z\u00ed k men\u0161\u00edmu opot\u0159eben\u00ed n\u00e1stroje a t\u00e9m\u011b\u0159 nehroz\u00ed mechanick\u00e9 po\u0161kozen\u00ed d\u00edlu.<\/p>\n

    EDM pro rychl\u00e9 vrt\u00e1n\u00ed<\/h2>\n

    EDM pro rychl\u00e9 vrt\u00e1n\u00ed je speci\u00e1ln\u00ed elektroerozivn\u00ed proces ur\u010den\u00fd k rychl\u00e9mu vrt\u00e1n\u00ed mal\u00fdch a hlubok\u00fdch otvor\u016f s vysokou p\u0159esnost\u00ed. Pou\u017e\u00edv\u00e1 se tam, kde b\u011b\u017en\u00e9 vrt\u00e1ky nedok\u00e1\u017eou spolehliv\u011b pracovat nebo kde je pot\u0159eba obr\u00e1b\u011bt tvrd\u00e9 materi\u00e1ly.<\/p>\n

    Pou\u017eit\u00ed v letectv\u00ed a zdravotnictv\u00ed<\/h3>\n

    EDM pro rychl\u00e9 vrt\u00e1n\u00ed je obl\u00edben\u00e9 v leteck\u00e9m pr\u016fmyslu. Lze j\u00edm vytv\u00e1\u0159et chladic\u00ed otvory v lopatk\u00e1ch turb\u00edn a aerodynamick\u00fdch ploch\u00e1ch, kter\u00e9 mus\u00ed m\u00edt p\u0159esn\u00fd tvar a velmi mal\u00e9 rozm\u011bry, aby byl provoz \u00fa\u010dinn\u00fd a bezpe\u010dn\u00fd.<\/p>\n

    Tato technika umo\u017e\u0148uje vytv\u00e1\u0159et otvory o pr\u016fm\u011bru pouh\u00fdch 0.004 inches. Funguje tak\u00e9 u hou\u017eevnat\u00fdch kov\u016f, jako jsou niklov\u00e9 slitiny a titan, kter\u00e9 se b\u011b\u017en\u011b pou\u017e\u00edvaj\u00ed v proudov\u00fdch motorech.<\/p>\n

    P\u0159i v\u00fdrob\u011b zdravotnick\u00fdch prost\u0159edk\u016f umo\u017e\u0148uje EDM pro rychl\u00e9 vrt\u00e1n\u00ed vytv\u00e1\u0159et drobn\u00e9 otvory v n\u00e1stroj\u00edch a implant\u00e1tech. P\u0159esnost je d\u016fle\u017eit\u00e1, aby sou\u010d\u00e1sti spr\u00e1vn\u011b pasovaly a bezpe\u010dn\u011b fungovaly v lidsk\u00e9m t\u011ble.<\/p>\n

    EDM pro rychl\u00e9 vrt\u00e1n\u00ed nezp\u016fsobuje tepeln\u00e9 po\u0161kozen\u00ed ani praskliny v okol\u00ed otvor\u016f. V\u00fdsledkem jsou \u010dist\u00e9 a hladk\u00e9 hrany, kter\u00e9 \u010dasto vy\u017eaduj\u00ed jen minim\u00e1ln\u00ed nebo \u017e\u00e1dn\u00e9 dokon\u010dov\u00e1n\u00ed.<\/p>\n

    Srovn\u00e1n\u00ed s konven\u010dn\u00edm vrt\u00e1n\u00edm<\/h3>\n

    Mezi EDM pro rychl\u00e9 vrt\u00e1n\u00ed a b\u011b\u017en\u00fdm vrt\u00e1n\u00edm je n\u011bkolik rozd\u00edl\u016f. N\u00e1sleduj\u00edc\u00ed tabulka shrnuje hlavn\u00ed z nich:<\/p>\n\n\n\n\n\n\n\n\n\n
    Vlastnost<\/th>\nEDM pro rychl\u00e9 vrt\u00e1n\u00ed<\/th>\nKonven\u010dn\u00ed vrt\u00e1n\u00ed<\/th>\n<\/tr>\n<\/thead>\n
    Tvrdost materi\u00e1lu<\/td>\nVelmi tvrd\u00fd<\/td>\nM\u011bk\u010d\u00ed a\u017e st\u0159edn\u011b tvrd\u00fd<\/td>\n<\/tr>\n
    Velikost otvoru<\/td>\nVelmi mal\u00fd<\/td>\nMal\u00fd a\u017e velk\u00fd<\/td>\n<\/tr>\n
    P\u0159esnost<\/td>\nVysok\u00e1<\/td>\nSt\u0159edn\u00ed a\u017e vysok\u00e1<\/td>\n<\/tr>\n
    Tepeln\u00e9 po\u0161kozen\u00ed<\/td>\nMinim\u00e1ln\u00ed<\/td>\nMo\u017en\u00e9<\/td>\n<\/tr>\n
    Opot\u0159eben\u00ed d\u00edlu<\/td>\nN\u00edzk\u00e9<\/td>\nVy\u0161\u0161\u00ed<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

    EDM pro rychl\u00e9 vrt\u00e1n\u00ed vyu\u017e\u00edv\u00e1 elektrick\u00e9 jiskry, tak\u017ee nedoch\u00e1z\u00ed k p\u0159\u00edm\u00e9mu kontaktu s materi\u00e1lem. T\u00edm se omezuje opot\u0159eben\u00ed n\u00e1stroje a lze vrtat hlubok\u00e9 otvory bez obav ze zlomen\u00ed vrt\u00e1ku.<\/p>\n

    Rota\u010dn\u00ed EDM<\/h2>\n

    Rota\u010dn\u00ed EDM je druh elektroerozivn\u00edho obr\u00e1b\u011bn\u00ed, p\u0159i kter\u00e9m se b\u011bhem obr\u00e1b\u011bn\u00ed ot\u00e1\u010d\u00ed elektroda nebo obrobek. Tento pohyb pom\u00e1h\u00e1 vyr\u00e1b\u011bt kulat\u00e9 nebo zak\u0159iven\u00e9 d\u00edly, kter\u00e9 by se jin\u00fdmi metodami obr\u00e1b\u011bly obt\u00ed\u017en\u011b.
    \nKl\u00ed\u010dov\u00e9 vlastnosti rota\u010dn\u00edho EDM:<\/strong><\/p>\n

      \n
    • B\u011bhem obr\u00e1b\u011bn\u00ed se ot\u00e1\u010d\u00ed elektroda nebo obrobek<\/em><\/li>\n
    • Vhodn\u00e9 pro v\u00fdrobu kruhov\u00fdch, spir\u00e1lov\u00fdch nebo zak\u0159iven\u00fdch tvar\u016f<\/em><\/li>\n
    • Dob\u0159e obr\u00e1b\u00ed materi\u00e1ly, kter\u00e9 se jin\u00fdmi metodami obt\u00ed\u017en\u011b opracov\u00e1vaj\u00ed<\/em><\/li>\n<\/ul>\n

      N\u00e1sleduj\u00edc\u00ed tabulka jednodu\u0161e porovn\u00e1v\u00e1 rota\u010dn\u00ed EDM a b\u011b\u017en\u00e9 dr\u00e1tov\u00e9 EDM:<\/p>\n\n\n\n\n\n\n\n
      Vlastnost<\/th>\nRota\u010dn\u00ed EDM<\/th>\nB\u011b\u017en\u00e9 dr\u00e1tov\u00e9 EDM<\/th>\n<\/tr>\n<\/thead>\n
      Ot\u00e1\u010d\u00ed se sou\u010d\u00e1st?<\/td>\nAno<\/td>\nNe<\/td>\n<\/tr>\n
      Vytv\u00e1\u0159en\u00e1 geometrie<\/td>\nKruhov\u00e1, spir\u00e1lov\u00e1, zak\u0159iven\u00e1<\/td>\nPloch\u00e1, p\u0159\u00edm\u00e1<\/td>\n<\/tr>\n
      B\u011b\u017en\u00e9 pou\u017eit\u00ed<\/td>\nOzuben\u00e1 kola, otvory<\/td>\nPloch\u00e9 d\u00edly, formy<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

      P\u0159i rota\u010dn\u00edm dr\u00e1tov\u00e9m EDM se mohou dr\u00e1t i skl\u00ed\u010didlo dr\u017e\u00edc\u00ed d\u00edl pohybovat r\u016fzn\u00fdmi sm\u011bry. To umo\u017e\u0148uje vytv\u00e1\u0159et tvary vy\u017eaduj\u00edc\u00ed pohyb ve v\u00edce os\u00e1ch.<\/p>\n

      Tato technologie se pou\u017e\u00edv\u00e1 p\u0159i v\u00fdrob\u011b ozuben\u00fdch kol, otvor\u016f a slo\u017eit\u00fdch rota\u010dn\u00edch profil\u016f. Pro dosa\u017een\u00ed po\u017eadovan\u00e9 geometrie je d\u016fle\u017eit\u00e9 p\u0159esn\u00e9 slad\u011bn\u00ed ot\u00e1\u010den\u00ed a dr\u00e1hy dr\u00e1tu.<\/p>\n

      Specializovan\u00e9 techniky EDM<\/h2>\n

      Hybridn\u00ed procesy EDM<\/h3>\n

      Hybridn\u00ed EDM kombinuje elektroerozivn\u00ed obr\u00e1b\u011bn\u00ed s dal\u0161\u00edmi v\u00fdrobn\u00edmi metodami, aby dos\u00e1hlo odli\u0161n\u00fdch nebo lep\u0161\u00edch v\u00fdsledk\u016f. EDM lze nap\u0159\u00edklad kombinovat s laserov\u00fdm obr\u00e1b\u011bn\u00edm \u010di ultrazvukov\u00fdmi vibracemi.
      \nHlavn\u00ed v\u00fdhody:<\/strong><\/p>\n

        \n
      • Kombinace v\u00fdhod jednotliv\u00fdch proces\u016f<\/li>\n
      • Lep\u0161\u00ed kvalita povrchu<\/li>\n
      • Men\u0161\u00ed opot\u0159eben\u00ed n\u00e1stroje<\/li>\n
      • Vy\u0161\u0161\u00ed rychlost obr\u00e1b\u011bn\u00ed<\/li>\n<\/ul>\n

        B\u011b\u017en\u00fdm hybridn\u00edm \u0159e\u0161en\u00edm je EDM s ultrazvukov\u00fdmi vibracemi. Ultrazvukov\u00e9 vlny pom\u00e1haj\u00ed rychleji odv\u00e1d\u011bt ne\u010distoty, tak\u017ee lze obr\u00e1b\u011bt hlub\u0161\u00ed otvory nebo slo\u017eit\u011bj\u0161\u00ed tvary. Dal\u0161\u00edm p\u0159\u00edkladem je kombinace EDM s laserov\u00fdm obr\u00e1b\u011bn\u00edm, kter\u00e1 m\u016f\u017ee zv\u00fd\u0161it \u00fa\u010dinnost p\u0159i v\u00fdrob\u011b specifick\u00fdch prvk\u016f.<\/p>\n

        Aditivn\u00ed metody EDM<\/h3>\n

        Aditivn\u00ed EDM se od b\u011b\u017en\u00e9ho EDM li\u0161\u00ed t\u00edm, \u017ee materi\u00e1l pouze neub\u00edr\u00e1. Tato technika umo\u017e\u0148uje tak\u00e9 vytv\u00e1\u0159et vrstvy nebo nan\u00e1\u0161et materi\u00e1l na z\u00e1kladn\u00ed sou\u010d\u00e1st pomoc\u00ed \u0159\u00edzen\u00fdch elektrick\u00fdch v\u00fdboj\u016f. Lze ji vyu\u017e\u00edt p\u0159i oprav\u00e1ch nebo p\u0159i p\u0159id\u00e1v\u00e1n\u00ed specifick\u00fdch prvk\u016f na kovov\u00e9 d\u00edly.
        \nKde lze aditivn\u00ed EDM vyu\u017e\u00edt:<\/strong><\/p>\n

          \n
        • Opravy opot\u0159eben\u00fdch kovov\u00fdch hran<\/li>\n
        • Pokovov\u00e1n\u00ed elektrick\u00fdch kontakt\u016f<\/li>\n
        • P\u0159id\u00e1v\u00e1n\u00ed drobn\u00fdch slo\u017eit\u00fdch prvk\u016f na kovov\u00e9 d\u00edly<\/li>\n<\/ul>\n

          Aditivn\u00ed EDM se st\u00e1le vyv\u00edj\u00ed, a proto nemus\u00ed b\u00fdt b\u011b\u017en\u011b dostupn\u00e9 v\u0161ude. M\u016f\u017ee v\u0161ak b\u00fdt u\u017eite\u010dn\u00e9, pokud pot\u0159ebujete p\u0159esn\u00e9 kovov\u00e9 povlaky nebo opravit choulostiv\u00e9 sou\u010d\u00e1sti.<\/p>\n

          \u010casto kladen\u00e9 ot\u00e1zky<\/h2>\n

          Jak funguje elektroerozivn\u00ed zahlubov\u00e1n\u00ed?<\/h3>\n

          P\u0159i zahlubovac\u00edm EDM se pou\u017e\u00edv\u00e1 elektroda tvarovan\u00e1 podle po\u017eadovan\u00e9ho d\u00edlu. Elektroda se pohybuje do obrobku a elektrick\u00e9 jiskry postupn\u011b tvaruj\u00ed kov. Proces se hod\u00ed pro v\u00fdrobu slo\u017eit\u00fdch dutin a detail\u016f, kter\u00e9 nelze snadno obr\u00e1b\u011bt konven\u010dn\u011b.<\/p>\n

          Co je t\u0159eba zv\u00e1\u017eit p\u0159i v\u00fdb\u011bru mezi dr\u00e1tov\u00fdm EDM a jin\u00fdmi metodami EDM?<\/h3>\n

          Zva\u017ete materi\u00e1l, po\u017eadovanou p\u0159esnost a tvar d\u00edlu. Dr\u00e1tov\u00e9 EDM je vhodn\u00e9 pro velmi p\u0159esn\u00e9 \u0159ezy nebo slo\u017eit\u00e9 profily v tvrd\u00fdch kovech. Zahlubovac\u00ed EDM je lep\u0161\u00ed pro dutiny a trojrozm\u011brn\u00e9 prvky. EDM vrt\u00e1n\u00ed se pou\u017e\u00edv\u00e1 pro mal\u00e9 a hlubok\u00e9 otvory.<\/p>\n

          M\u016f\u017eete popsat z\u00e1kladn\u00ed princip fungov\u00e1n\u00ed EDM stroj\u016f?<\/h3>\n

          EDM stroje odstra\u0148uj\u00ed kov z obrobku pomoc\u00ed elektrick\u00fdch jisker. V\u00fdboj p\u0159eskakuje mezi elektrodou a kovem a odtavuje drobn\u00e9 \u010d\u00e1ste\u010dky. Proces vy\u017eaduje speci\u00e1ln\u00ed kapalinu, kter\u00e1 \u0159\u00edd\u00ed v\u00fdboje a odv\u00e1d\u00ed teplo i \u010d\u00e1stice.<\/p>\n

          Kter\u00e9 faktory ur\u010duj\u00ed cenu EDM stroje?<\/h3>\n

          Cena EDM stroje z\u00e1vis\u00ed na jeho velikosti, nab\u00edzen\u00fdch funkc\u00edch, p\u0159esnosti a zna\u010dce. Automatizace a pokro\u010dil\u00e9 \u0159\u00eddic\u00ed syst\u00e9my mohou cenu d\u00e1le zv\u00fd\u0161it. P\u0159i v\u00fdb\u011bru je vhodn\u00e9 zohlednit tak\u00e9 po\u017eadavky na servis, spot\u0159ebn\u00ed materi\u00e1l a o\u010dek\u00e1van\u00fd objem v\u00fdroby.<\/p>\n","protected":false},"excerpt":{"rendered":"

          EDM dr\u00e1tov\u00e9 \u0159ez\u00e1n\u00ed (Wire-Cut EDM) EDM dr\u00e1tov\u00e9 \u0159ez\u00e1n\u00ed, ozna\u010dovan\u00e9 tak\u00e9 jako dr\u00e1tov\u00e9 elektroerozivn\u00ed obr\u00e1b\u011bn\u00ed, pou\u017e\u00edv\u00e1 tenk\u00fd dr\u00e1t k p\u0159esn\u00e9mu \u0159ez\u00e1n\u00ed tvar\u016f do kovu. Jak funguje dr\u00e1tov\u00e9 EDM P\u0159i dr\u00e1tov\u00e9m EDM slou\u017e\u00ed jako elektroda tenk\u00fd dr\u00e1t. Obvykle je vyroben z mosazi nebo m\u011bdi a je napnut\u00fd mezi dv\u011bma c\u00edvkami. Dr\u00e1t se kovov\u00e9ho obrobku nikdy nedot\u00fdk\u00e1. Mezi […]<\/p>\n","protected":false},"author":1,"featured_media":25572,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_seopress_titles_title":"Typy elektroerozivn\u00edho obr\u00e1b\u011bn\u00ed: p\u0159ehled metod a pou\u017eit\u00ed","_seopress_titles_desc":"Seznamte se s hlavn\u00edmi metodami EDM obr\u00e1b\u011bn\u00ed, jejich pou\u017eit\u00edm, v\u00fdhodami a rozd\u00edly p\u0159i v\u00fdrob\u011b p\u0159esn\u00fdch kovov\u00fdch sou\u010d\u00e1st\u00ed.","_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":1,"footnotes":""},"categories":[219],"tags":[],"class_list":["post-23501","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\/23501","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=23501"}],"version-history":[{"count":1,"href":"https:\/\/moldiecasting.com\/cs\/wp-json\/wp\/v2\/posts\/23501\/revisions"}],"predecessor-version":[{"id":26154,"href":"https:\/\/moldiecasting.com\/cs\/wp-json\/wp\/v2\/posts\/23501\/revisions\/26154"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/moldiecasting.com\/cs\/wp-json\/wp\/v2\/media\/25572"}],"wp:attachment":[{"href":"https:\/\/moldiecasting.com\/cs\/wp-json\/wp\/v2\/media?parent=23501"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/moldiecasting.com\/cs\/wp-json\/wp\/v2\/categories?post=23501"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/moldiecasting.com\/cs\/wp-json\/wp\/v2\/tags?post=23501"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}