{"id":55,"date":"2019-05-17T06:02:51","date_gmt":"2019-05-17T06:02:51","guid":{"rendered":"http:\/\/www.eltesro.sk\/?page_id=55"},"modified":"2019-05-17T08:22:09","modified_gmt":"2019-05-17T08:22:09","slug":"technologie","status":"publish","type":"page","link":"http:\/\/www.eltesro.sk\/?page_id=55","title":{"rendered":"Technol\u00f3gie"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">ELTE, s.r.o. p\u00f4sob\u00ed na trhu takmer 4 roky. \u00daspe\u0161ne nap\u013a\u0148a o\u010dak\u00e1vania svojich z\u00e1kazn\u00edkov, vyu\u017e\u00edvaj\u00fac pritom inovat\u00edvne a zriedkavo dostupn\u00e9 technol\u00f3gie, ktor\u00e9 v tomto zlo\u017een\u00ed nepon\u00faka \u017eiadna in\u00e1 spolo\u010dnos\u0165 na Slovensku. <br>K portf\u00f3liu pon\u00fakan\u00fdch technol\u00f3gi\u00ed sa prepracovala postupne v r\u00e1mci svojho prirodzen\u00e9ho v\u00fdvoja s cie\u013eom pon\u00faknu\u0165 svojim z\u00e1kazn\u00edkom v\u00fdnimo\u010dn\u00e9 slu\u017eby, \u010d\u00edm sa stala ve\u013emi \u017eiadanou. <br><br>Prv\u00e1 technol\u00f3gia, ktorou disponuje je <strong>izostatick\u00e9 lisovanie za tepla (HIP &#8211; Hot Isostatic Pressing)<\/strong>, ktor\u00e1 predstavuje konkuren\u010dn\u00fd a overen\u00fd v\u00fdrobn\u00fd proces <strong>na zhut\u0148ovanie odliatkov zo zliev\u00e1renstva alebo sintrovan\u00fdch s\u00fa\u010diastok<\/strong> v peci pri vysokom tlaku (100-200 MPa) a pri teplote od 900 do 1250\u00b0C. Zrodila sa ako overen\u00fd v\u00fdrobn\u00fd proces pre produkciu zlo\u017eit\u00fdch a vysoko \u0161pecifikovan\u00fdch komponentov vyr\u00e1ban\u00fdch zo \u0161irokej \u0161k\u00e1ly kovov a\/alebo keramiky. Tieto komponenty s\u00fa v s\u00fa\u010dasnosti pou\u017e\u00edvan\u00e9 v mnoh\u00fdch oblastiach priemyslu (napr. automotive, letectvo, zbroj\u00e1rstvo, robotiz\u00e1cia a i.). Ide\u00e1lny je aj pre r\u00f4zne druhy ocele alebo superzliatiny. <\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter is-resized\"><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/www.eltesro.sk\/wp-content\/uploads\/2019\/05\/ELTE_HIP-\u0161truktura-su\u010diastky.png\" alt=\"\" class=\"wp-image-86\" width=\"436\" height=\"120\" srcset=\"http:\/\/www.eltesro.sk\/wp-content\/uploads\/2019\/05\/ELTE_HIP-\u0161truktura-su\u010diastky.png 974w, http:\/\/www.eltesro.sk\/wp-content\/uploads\/2019\/05\/ELTE_HIP-\u0161truktura-su\u010diastky-300x83.png 300w, http:\/\/www.eltesro.sk\/wp-content\/uploads\/2019\/05\/ELTE_HIP-\u0161truktura-su\u010diastky-768x213.png 768w\" sizes=\"auto, (max-width: 436px) 100vw, 436px\" \/><figcaption><em>Uzavretie vn\u00fatornej por\u00e9znosti technol\u00f3giou HIP, v\u010faka kombin\u00e1cii tlaku a teploty <\/em><br>(Zdroj: Introduction to PM HIP technology, EPMA, 2. vydanie, 2017)<\/figcaption><\/figure><\/div>\n\n\n\n<p class=\"wp-block-paragraph\">Tlak plynu p\u00f4sob\u00ed rovnomerne vo v\u0161etk\u00fdch smeroch, \u010d\u00edm s\u00fa zabezpe\u010den\u00e9 <strong>izotropn\u00e9 vlastnosti, 100% zhutnenie, vyplnenie p\u00f3rov a vymiznutie pr\u00edpadn\u00fdch v\u00e1d<\/strong>. Technol\u00f3gia je pou\u017e\u00edvan\u00e1 aj pri zhut\u0148ovan\u00ed napr\u00edklad Swarovski kri\u0161t\u00e1\u013eov. Okrem toho je <strong>mimoriadne n\u00e1pomocn\u00e1 ostatn\u00fdm v\u00fdrobn\u00fdm procesom<\/strong>, ako napr\u00edklad pr\u00e1\u0161kovej metalugrii (PM &#8211; Powder Metallurgy), vstrekovaniu kovov\u00fdch pr\u00e1\u0161kov (MIM &#8211; Metal Injection Moulding), adit\u00edvnej v\u00fdrobe\/3D tla\u010di s\u00fa\u010diastok (AM &#8211; Additive Manufacturing) alebo in\u00fdm tradi\u010dn\u00fdm v\u00fdrobn\u00fdm procesom, napr. odlievaniu a pod. Dokonca m\u00f4\u017ee by\u0165 pou\u017e\u00edvan\u00e1 v kombin\u00e1cii s t\u00fdmito procesmi. <\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter is-resized\"><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/www.eltesro.sk\/wp-content\/uploads\/2019\/05\/ELTE_HIP_pec.jpg\" alt=\"\" class=\"wp-image-88\" width=\"290\" height=\"195\"\/><figcaption><em>HIP pec pou\u017e\u00edvan\u00e1 v spolo\u010dnosti ELTE, s.r.o. <\/em><\/figcaption><\/figure><\/div>\n\n\n\n<p class=\"wp-block-paragraph\">V ostatn\u00fdch rokoch sa t\u00e1to technol\u00f3gia stala v\u00fdkonn\u00fdm, vysokokvalitn\u00fdm a n\u00e1kladovo efekt\u00edvnym procesom na zhut\u0148ovanie odliatkov, spekan\u00fdch s\u00fa\u010diastok z pr\u00e1\u0161ku, spe\u010den\u00fdch karbidov, keramiky, s\u00fa\u010diastok vyroben\u00fdch procesom vstrekovania kovov\u00fdch pr\u00e1\u0161kov a k dif\u00fazii spojov medzi kovov\u00fdmi s\u00fa\u010diastkami. Z\u00e1rove\u0148 je \u010dasto vyh\u013ead\u00e1van\u00e1 ako alternat\u00edva ku konven\u010dn\u00fdm technol\u00f3gi\u00e1m, ako s\u00fa kovanie alebo odlievanie. <\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter is-resized\"><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/www.eltesro.sk\/wp-content\/uploads\/2019\/05\/ELTE_HIP_schema-pece.png\" alt=\"\" class=\"wp-image-105\" width=\"295\" height=\"379\" srcset=\"http:\/\/www.eltesro.sk\/wp-content\/uploads\/2019\/05\/ELTE_HIP_schema-pece.png 344w, http:\/\/www.eltesro.sk\/wp-content\/uploads\/2019\/05\/ELTE_HIP_schema-pece-233x300.png 233w\" sizes=\"auto, (max-width: 295px) 100vw, 295px\" \/><figcaption><em>Sch\u00e9ma HIP pece<\/em><br>(Zdroj: Introduction to PM HIP technology, EPMA, 2. vydanie, 2017)<\/figcaption><\/figure><\/div>\n\n\n\n<p class=\"wp-block-paragraph\">V\u00fdhody izostatick\u00e9ho lisovania za tepla s\u00fa nesporn\u00e9 a spo\u010d\u00edvaj\u00fa nielen v <strong>redukcii n\u00e1kladov<\/strong>, ale aj vo <strong>ve\u013ekej flexibilite dizajnu<\/strong>, <strong>vysokej kvalite komponentov<\/strong> a <strong>redukovanom dopade na \u017eivotn\u00e9 prostredie<\/strong>. Ochrana \u017eivotn\u00e9ho prostredia je z\u00e1sadnou t\u00e9mou s\u00fa\u010dasnej doby. Spom\u00ednan\u00e1 technol\u00f3gia <strong>nevytv\u00e1ra \u017eiadny odpad<\/strong>, preto\u017ee cel\u00fd proces prebieha v pancierovej n\u00e1dobe, kde na s\u00fa\u010diastky p\u00f4sob\u00ed tlak a teplota, bez ak\u00fdchko\u013evek dodato\u010dn\u00fdch vstupuj\u00facich faktorov. Vo ve\u013ekej miere je vyh\u013ead\u00e1van\u00e1 z\u00e1kazn\u00edkmi, preto\u017ee <strong>odstra\u0148uje finan\u010dne n\u00e1ro\u010dn\u00fa stopercentn\u00fa kontrolu<\/strong> <strong>vn\u00fatorn\u00fdch defektov<\/strong>. V mnoh\u00fdch pr\u00edpadoch z\u00e1kazn\u00edci, ktor\u00ed pou\u017e\u00edvaj\u00fa mo\u017enosti izostatick\u00e9ho lisovania za tepla odstr\u00e1nia finan\u010dne n\u00e1ro\u010dn\u00fa kontrolu vn\u00fatorn\u00fdch defektov (napr. NDT, r\u0151ntgen, at\u010f.), preto\u017ee touto technol\u00f3giou zaru\u010dia 100%-n\u00fa hustotu svojich v\u00fdrobkov.  <br><br>Druhou technol\u00f3giou, ktor\u00fa spolo\u010dnos\u0165 ELTE, s.r.o. pon\u00faka je <strong>impregn\u00e1cia p\u00f3rovit\u00fdch dielov \u017eivicou, tzv. Maldaner<\/strong>. Je pou\u017e\u00edvan\u00e1 na <strong>uzavretie p\u00f3rov, lunkrov v hlin\u00edkov\u00fdch alebo zinkov\u00fdch odliatkoch a v sintrovan\u00fdch materi\u00e1loch<\/strong>, pri\u010dom kombin\u00e1cia kvalitn\u00fdch lakov, v\u00e1kua a nasledovn\u00e9ho su\u0161enia (vytvrdzovania) <strong>umo\u017e\u0148uje s\u00fa\u010diastky n\u00e1sledne galvanizova\u0165<\/strong>. Doch\u00e1dza k dokonal\u00e9mu utesneniu ak\u00fdchko\u013evek p\u00f3rov, pr\u00edpadne s\u00fa s\u00fa\u010diastky v\u010faka tejto technol\u00f3gii pou\u017eite\u013en\u00e9 na nasleduj\u00facu galvaniz\u00e1ciu niklom, zinkom a pod. Od \u010dasu, ke\u010f bola t\u00e1to impregna\u010dn\u00e1 linka nain\u0161talovan\u00e1 <strong>klesol po\u010det zm\u00e4tkov pri n\u00e1slednej galvaniz\u00e1cii a\u017e o 90 percent<\/strong>, pri porovnan\u00ed s predch\u00e1dzaj\u00facim obdob\u00edm. <\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter is-resized\"><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/www.eltesro.sk\/wp-content\/uploads\/2019\/05\/ELTE_Maldaner_2.jpg\" alt=\"\" class=\"wp-image-90\" width=\"290\" height=\"195\"\/><figcaption><em>Impregn\u00e1cia p\u00f3rovit\u00fdch dielov \u017eivicou, tzv. Maldaner vo firme ELTE, s.r.o. <\/em><\/figcaption><\/figure><\/div>\n\n\n\n<p class=\"wp-block-paragraph\">Spolo\u010dnos\u0165 ELTE, s.ro. m\u00e1 mo\u017enos\u0165 kontrolova\u0165 vn\u00fatorn\u00e9 defekty vo v\u00fdrobkoch unik\u00e1tnymi met\u00f3dami a to <strong>akustickou kontrolou, met\u00f3dou v\u00edriv\u00fdch pr\u00fadov<\/strong> a <strong>ultravioletovou met\u00f3dou<\/strong>. <\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Akustick\u00e1 kontrola<\/strong> je vysoko efekt\u00edvna met\u00f3da, \u010dasto ozna\u010dovan\u00e1 ako &#8222;Piano&#8220; met\u00f3da, nako\u013eko je ve\u013emi podobn\u00e1 s nastavovan\u00edm piana. Podstata met\u00f3dy je v zadefinovan\u00ed ak\u00fd zvuk mus\u00ed vyd\u00e1va\u0165 &#8222;dobr\u00fd&#8220; v\u00fdrobok bez defektu a ak\u00fd zvuk mus\u00ed vyd\u00e1va\u0165 &#8222;zl\u00fd&#8220; v\u00fdrobok s defektmi. Rozdiel nastavovania piana je  tom, \u017ee firma disponuje softv\u00e9rmi a hardv\u00e9rmi, ktor\u00e9 <strong>umo\u017e\u0148uj\u00fa kontrolova\u0165 desiatky v\u00fdrobkov za min\u00fatu<\/strong>. To znamen\u00e1, \u017ee met\u00f3da zhut\u0148ovania v\u00fdrobkov izostatick\u00fdm lisovan\u00edm za tepla m\u00f4\u017ee by\u0165 aplikovan\u00e1 <strong>aj pre s\u00e9riov\u00fa v\u00fdrobu s po\u010dtami kusov do nieko\u013ek\u00fdch mili\u00f3nov ro\u010dne alebo nieko\u013ek\u00fdch stoviek ton<\/strong>. <\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter is-resized\"><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/www.eltesro.sk\/wp-content\/uploads\/2019\/05\/ELTE_akusticka-kontrola.png\" alt=\"\" class=\"wp-image-92\" width=\"290\" height=\"195\"\/><figcaption><em>Vysoko efekt\u00edvna akustick\u00e1 kontrola v spolo\u010dnosti ELTE, s.r.o. <\/em><\/figcaption><\/figure><\/div>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Met\u00f3da v\u00edriv\u00fdch pr\u00fadov<\/strong> sa na rozdiel od akustickej met\u00f3dy pou\u017e\u00edva pre kusov\u00fa v\u00fdrobu komplikovan\u00fdch v\u00fdrobkov (napr. hlava motora auta a pod.). Podstata met\u00f3dy spo\u010d\u00edva v tom, \u017ee <strong>v\u00fdrobok umiestnen\u00fd v magnetickom poli je sk\u00faman\u00fd sondou<\/strong>, ktor\u00e1 je schopn\u00e1 zachyti\u0165 odch\u00fdlky v magnetickom poli a t\u00fdm aj <strong>nevidite\u013en\u00e9 defekty \u0161trukt\u00fary v\u00fdrobkov. <\/strong><\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter is-resized\"><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/www.eltesro.sk\/wp-content\/uploads\/2019\/05\/ELTE_virive-prudy.png\" alt=\"\" class=\"wp-image-91\" width=\"290\" height=\"195\"\/><figcaption><em>V\u00edriv\u00e9 pr\u00fady na kontrolu komplikovan\u00fdch v\u00fdrobkov<\/em><\/figcaption><\/figure><\/div>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Ultravioletov\u00e1 met\u00f3da<\/strong> sa pou\u017e\u00edva na <strong>zvidite\u013enenie mikrotrhl\u00edn nevidite\u013en\u00fdch okom<\/strong>. Ka\u017ed\u00fd v\u00fdrobok sa nam\u00e1\u010da do \u0161peci\u00e1lneho roztoku a n\u00e1sledne sa sk\u00fama v UV svetle. <strong>T\u00fdmto sp\u00f4sobom sa kontroluje aj kvalita nasycovania \u017eivicou &#8222;Maldaner&#8220;.<\/strong> <\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter is-resized\"><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/www.eltesro.sk\/wp-content\/uploads\/2019\/05\/ELTE_ultraviolet-kontrola.jpg\" alt=\"\" class=\"wp-image-93\" width=\"290\" height=\"195\"\/><figcaption><em>Zvidite\u013enenie mikrotrhl\u00edn prostredn\u00edctvom ultravioletovej met\u00f3dy<\/em><\/figcaption><\/figure><\/div>\n\n\n\n<p class=\"wp-block-paragraph\">\n\n V pr\u00edpade potreby je k dispoz\u00edcii <strong>laborat\u00f3rium<\/strong>, kde je mo\u017en\u00e9 vykona\u0165 v<strong>\u0161etky potrebn\u00e9 sk\u00fa\u0161ky na \u0165ah, pevnos\u0165, tvrdos\u0165, hustotu materi\u00e1lu alebo presk\u00fama\u0165 mikro\u0161trukt\u00faru<\/strong>.  \n\n<\/p>\n","protected":false},"excerpt":{"rendered":"<p>ELTE, s.r.o. p\u00f4sob\u00ed na trhu takmer 4 roky. \u00daspe\u0161ne nap\u013a\u0148a o\u010dak\u00e1vania svojich z\u00e1kazn\u00edkov, vyu\u017e\u00edvaj\u00fac pritom inovat\u00edvne a zriedkavo dostupn\u00e9 technol\u00f3gie, ktor\u00e9 v tomto zlo\u017een\u00ed nepon\u00faka \u017eiadna in\u00e1 spolo\u010dnos\u0165 na Slovensku. K portf\u00f3liu pon\u00fakan\u00fdch technol\u00f3gi\u00ed sa prepracovala postupne v r\u00e1mci svojho prirodzen\u00e9ho v\u00fdvoja s cie\u013eom pon\u00faknu\u0165 svojim z\u00e1kazn\u00edkom v\u00fdnimo\u010dn\u00e9 slu\u017eby, \u010d\u00edm sa stala ve\u013emi \u017eiadanou. Prv\u00e1 [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-55","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"http:\/\/www.eltesro.sk\/index.php?rest_route=\/wp\/v2\/pages\/55","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/www.eltesro.sk\/index.php?rest_route=\/wp\/v2\/pages"}],"about":[{"href":"http:\/\/www.eltesro.sk\/index.php?rest_route=\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"http:\/\/www.eltesro.sk\/index.php?rest_route=\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"http:\/\/www.eltesro.sk\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=55"}],"version-history":[{"count":17,"href":"http:\/\/www.eltesro.sk\/index.php?rest_route=\/wp\/v2\/pages\/55\/revisions"}],"predecessor-version":[{"id":111,"href":"http:\/\/www.eltesro.sk\/index.php?rest_route=\/wp\/v2\/pages\/55\/revisions\/111"}],"wp:attachment":[{"href":"http:\/\/www.eltesro.sk\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=55"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}