{"id":3823,"date":"2018-08-24T13:24:36","date_gmt":"2018-08-24T12:24:36","guid":{"rendered":"http:\/\/www.etto.cz\/doporuceni-pro-uzivani-topnych-patron\/"},"modified":"2019-02-21T08:51:12","modified_gmt":"2019-02-21T07:51:12","slug":"odporucania-pre-uzivanie-vyhrievacich-patron","status":"publish","type":"page","link":"https:\/\/www.etto.cz\/sk\/produkty\/vyhrievacie-patrony\/odporucania-pre-uzivanie-vyhrievacich-patron\/","title":{"rendered":"Odpor\u00fa\u010dania pre u\u017e\u00edvanie vyhrievac\u00edch patr\u00f3n"},"content":{"rendered":"<p style=\"text-align: justify;\">Ide\u00e1lny sp\u00f4sob zabudovania patr\u00f3n je stiahnut\u00edm do delen\u00e9ho puzdra.<\/p>\n<p style=\"text-align: justify;\">Pri mernom za\u0165a\u017een\u00ed patr\u00f3ny do 20 W \/ cm2 mo\u017eno pou\u017ei\u0165 valcov\u00fd otvor s presnos\u0165ou H7, s drsnos\u0165ou povrchu max. Ra0,8. Otvor m\u00e1 by\u0165 pokia\u013e mo\u017eno priechodn\u00e1 pre \u013eah\u0161ie neskor\u0161ie v\u00fdmenu patr\u00f3n.<\/p>\n<p style=\"text-align: justify;\">V\u00fdroba otvoru s presnosti H7 sa vykon\u00e1va v\u00fdstru\u017en\u00edkom. Priemer v\u0155tan\u00e9ho otvoru pred stru\u017een\u00edm by mal by\u0165 vyroben\u00e1 v tolerancii -0,2mm \/ -0,3mm pri oce\u013eov\u00fdch dielu a -0,3mm \/ &#8211; 0,4mm u osazn\u00fdch, bronzov\u00fdch alebo hlin\u00edkov\u00fdch dielov. Ak je umiestnen\u00fdch viac patr\u00f3n v rade, potom ide\u00e1lna vzdialenos\u0165 medzi nimi, z h\u013eadiska \u017eivotnosti patr\u00f3n a rovnomern\u00e9ho rozlo\u017eenia teploty, by mala by\u0165 rovn\u00e1 ve\u013ekosti priemeru patr\u00f3n.<\/p>\n<p style=\"text-align: justify;\">Elektrick\u00e9 v\u00fdvody a miesto ich vstupu do patr\u00f3ny nevystavova\u0165 vibr\u00e1ci\u00e1m, pohybu, mechanick\u00e9mu nam\u00e1haniu, kontamin\u00e1cii kvapalinami v\u0161etk\u00e9ho druhu, mastnotou, neinertn\u00fdm plynom pod. Pokia\u013e tomuto ned\u00e1 pred\u00eds\u0165, je nutn\u00e9 voli\u0165 adekv\u00e1tny sp\u00f4sob ukon\u010denia patr\u00f3n, vi\u010f. &#8222;\u0160tandardn\u00e9 sp\u00f4soby elektrick\u00e9ho pripojenia patr\u00f3n&#8220;.<\/p>\n<p style=\"text-align: justify;\">Ak zakon\u010denie patr\u00f3ny nie je vodotesn\u00e9 (mo\u017eno dosiahnu\u0165 len u ni\u017e\u0161\u00edch pracovn\u00fdch tepl\u00f4t, vi\u010f. &#8222;\u0160tandardnej elektrickej ukon\u010denie patr\u00f3n&#8220;), alebo ak patr\u00f3na nie je umiestnen\u00e1 v priestoroch s max. Vlhkos\u0165ou vzduchu do 70%, je nutn\u00e9 pri prvom pou\u017eit\u00ed a po ka\u017edej dlh\u0161ej odst\u00e1vke premera\u0165 izola\u010dn\u00fd odpor. Ak je jeho hodnota v studenom stave pri 500 V &#8211; DC men\u0161ie ako 200 MOhm je nutn\u00e9 patr\u00f3novi su\u0161i\u0165 pri teplote 105 \u00b0 C &#8211; 200 \u00b0 C (pod\u013ea v\u00fdvodov patr\u00f3ny) po 2-3 hod.Toto mo\u017eno vykona\u0165 v peci alebo prev\u00e1dzkou patr\u00f3ny na 1\/3 menovit\u00e9ho pr\u00edkonu.<\/p>\n<p style=\"text-align: justify;\">V\u00fdvody a ukon\u010denie patr\u00f3n nesmie by\u0165 zapusten\u00e9 do vyhrievanej dosky. Ak je probl\u00e9m s \u017eivotnos\u0165ou patr\u00f3n v \u010dasti v\u00fdvodov je potreba preveri\u0165 vplyvy, ktor\u00e9 m\u00f4\u017eu by\u0165 pr\u00ed\u010dinou (vibr\u00e1cie, chemik\u00e1lie, pohyb, teplota) a voli\u0165 vhodn\u00fd sp\u00f4sob elektrick\u00e9ho pripojenia.<\/p>\n<p style=\"text-align: justify;\">Ak nie s\u00fa patr\u00f3ny vybaven\u00e9 uzem\u0148ovac\u00edm vodi\u010dom, mus\u00ed by\u0165 uzemnen\u00fd ohrievan\u00fd kovov\u00fd diel.<\/p>\n<p style=\"text-align: justify;\">Ur\u010duj\u00faci a vz\u00e1jomne sa ovplyv\u0148uj\u00face faktory kontaktn\u00e9ho ohrevu kovov\u00fdch dielov vyhrievac\u00edmi patronami s\u00fa: pracovn\u00e1 teplota, mern\u00e9 za\u0165a\u017eenie povrchu patr\u00f3n (W\/cm2 kovu a maxim\u00e1lna re\u00e1lna medzera medzi patr\u00f3nou a otvorom. Pri vhodne zvolen\u00fdch ostatn\u00fdch parametroch m\u00f4\u017ee by\u0165 pracovn\u00e1 teplota a\u017e 750 \u00b0 C.<\/p>\n<p style=\"text-align: justify;\">Pre viac inform\u00e1ci\u00ed, pomoc pri rie\u0161en\u00ed konkr\u00e9tnych vyhrievac\u00edch situ\u00e1ci\u00ed alebo pri akomko\u013evek novom, neodzkou\u0161en\u00e9m pou\u017eitie patr\u00f3n n\u00e1s kontaktujte.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Ide\u00e1lny sp\u00f4sob zabudovania patr\u00f3n je stiahnut\u00edm do delen\u00e9ho puzdra. Pri mernom za\u0165a\u017een\u00ed patr\u00f3ny do 20 W \/ cm2 mo\u017eno pou\u017ei\u0165 valcov\u00fd otvor s presnos\u0165ou H7, &#8230;<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":3852,"menu_order":0,"comment_status":"open","ping_status":"open","template":"_page-menu.php","meta":{"_acf_changed":false,"ngg_post_thumbnail":0,"footnotes":"","_links_to":"","_links_to_target":""},"class_list":["post-3823","page","type-page","status-publish","hentry"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.3 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Odpor\u00fa\u010dania pre u\u017e\u00edvanie patr\u00f3n | ELEKTRON-ETTO<\/title>\n<meta name=\"description\" content=\"Praktick\u00e9 rady pre spr\u00e1vne u\u017e\u00edvanie a \u00fadr\u017ebu vyhrievac\u00edch patr\u00f3n. Pred\u013a\u017ete \u017eivotnos\u0165 va\u0161ich telies. 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