[{"@context":"https:\/\/schema.org\/","@type":"Article","@id":"https:\/\/www.celebration.sk\/spajky-ako-pomocnici-pri-spajani-kovov\/#Article","mainEntityOfPage":"https:\/\/www.celebration.sk\/spajky-ako-pomocnici-pri-spajani-kovov\/","headline":"Sp\u00e1jky ako pomocn\u00edci pri sp\u00e1jan\u00ed kovov","name":"Sp\u00e1jky ako pomocn\u00edci pri sp\u00e1jan\u00ed kovov","description":"Sp\u00e1jkovanie alebo hovorovo taktie\u017e letovanie je jeden zo sp\u00f4sobov sp\u00e1jania kovov\u00fdch predmetov. V sp\u00e1jkovan\u00ed ide o to, \u017ee sa dva kovov\u00e9 predmety spoja dokopy in\u00fdm","datePublished":"2018-10-13","dateModified":"2023-04-25","author":{"@type":"Person","@id":"https:\/\/www.celebration.sk\/author\/#Person","name":"celebration.sk\n","url":"https:\/\/www.celebration.sk\/author\/","identifier":1,"image":{"@type":"ImageObject","@id":"https:\/\/secure.gravatar.com\/avatar\/93869824c8aa580f0d16049ad31e69846ffc925e0cbb2826cc9554f53943da69?s=96&d=mm&r=g","url":"https:\/\/secure.gravatar.com\/avatar\/93869824c8aa580f0d16049ad31e69846ffc925e0cbb2826cc9554f53943da69?s=96&d=mm&r=g","height":96,"width":96}},"publisher":{"@type":"Organization","name":"celebration.sk","logo":{"@type":"ImageObject","@id":"\/logo.png","url":"\/logo.png","width":600,"height":60}},"image":{"@type":"ImageObject","@id":"https:\/\/www.celebration.sk\/wp-content\/uploads\/img_a291778_w16470_t1538641962.jpg","url":"https:\/\/www.celebration.sk\/wp-content\/uploads\/img_a291778_w16470_t1538641962.jpg","height":0,"width":0},"url":"https:\/\/www.celebration.sk\/spajky-ako-pomocnici-pri-spajani-kovov\/","about":["Tovar"],"wordCount":484,"articleBody":"Sp\u00e1jkovanie alebo hovorovo taktie\u017e letovanie je jeden zo sp\u00f4sobov sp\u00e1jania kovov\u00fdch predmetov. V sp\u00e1jkovan\u00ed ide o to, \u017ee sa dva kovov\u00e9 predmety spoja dokopy in\u00fdm kovom- naz\u00fdvan\u00fdm sp\u00e1jka. Je to pr\u00eddavn\u00fd materi\u00e1l, ktor\u00fd vyp\u013a\u0148a medzeru medzi materi\u00e1lmi a sp\u00e1ja ich. Mus\u00ed ma\u0165 men\u0161iu teplotu tavenia ne\u017e maj\u00fa sp\u00e1jan\u00e9 kovy. Rob\u00ed sa to tak preto, aby sa n\u00e1m sp\u00e1jan\u00e9 kovy nerozpustili, ale aby zotrvali v tuhom skupenstve a zachovali si tak svoje p\u00f4vodn\u00e9 vlastnosti. Sp\u00e1jkovanie vykon\u00e1vame sp\u00e1jkova\u010dkou \u010di plame\u0148om a vyu\u017e\u00edvame ho predov\u0161etk\u00fdm v elektrotechnike, klampiarstve a stroj\u00e1rstve. Jeho hist\u00f3ria siaha a\u017e nieko\u013eko tis\u00edcro\u010d\u00ed dozadu, no v priemysle sa prv\u00fdkr\u00e1t objavila a\u017e v 20. storo\u010d\u00ed.   \u010co treba dodr\u017eiava\u0165 pri sp\u00e1jkovan\u00ed? Ke\u010f sp\u00e1jame materi\u00e1ly sp\u00e1jkou, mysl\u00edme na nieko\u013eko hlavn\u00fdch z\u00e1sad. Ke\u010f\u017ee pracujeme so \u017eerav\u00fdmi kovmi a v pr\u00edpade sp\u00e1jky dokonca s hor\u00facou tekutinou, mali by sme by\u0165 pri pr\u00e1ci maxim\u00e1lne opatrn\u00ed. Samozrejmos\u0165ou je zabezpe\u010di\u0165 svoje telo a okolit\u00e9 prostredie ochrann\u00fdmi prvkami. R\u00fdchlos\u0165, prec\u00edznos\u0165 a optim\u00e1lne nahriatie s\u00fa \u010fal\u0161ie ve\u013emi d\u00f4le\u017eit\u00e9 atrib\u00faty pri sp\u00e1jkovan\u00ed. Optim\u00e1lne nahriatie znamen\u00e1 ma\u0165 sp\u00e1jku nahriatu v primeranej teplote. Nie v chladnej, inak by vznikol studen\u00fd spoj, ale ani nie v pr\u00edli\u0161 hor\u00facej, aby sme zabr\u00e1nili prep\u00e1leniu sp\u00e1jkova\u010dky. Oba extr\u00e9my by n\u00e1m vytvorili nekvalitn\u00fd spoj, ktor\u00fd je zdrojom por\u00fach. \u010eal\u0161ou po\u017eiadavkou je dobr\u00e9 upevnenie spojovan\u00fdch \u010dast\u00ed, preto\u017ee ak by sa \u010dasti pohli, mal by spoj n\u00edzku pevnos\u0165 a nekvalitn\u00fa \u0161trukt\u00faru. Kde sa sp\u00e1jkovanie vyu\u017e\u00edva a ak\u00e9 m\u00e1 v\u00fdhody \u010di nev\u00fdhody? Sp\u00e1jkovanie vyu\u017e\u00edvame v elektrotechnike a v stroj\u00e1rstve. Ako sp\u00e1jka sa naj\u010dastej\u0161ie pou\u017e\u00edvala ve\u013emi dobre osved\u010den\u00e1 zliatina c\u00edn + olovo. Dnes sa v\u0161ak kv\u00f4li ekol\u00f3gi\u00ed pomaly od olova up\u00fa\u0161\u0165a. Niekedy sa pou\u017e\u00edvaj\u00fa ako pr\u00edmesy me\u010f, striebro a in\u00e9 kovy. Samozrejme ako v\u0161etko, aj sp\u00e1jkovanie ma svoje nev\u00fdhody, ak\u00fdmi s\u00fa pomerne mal\u00e1 pevnos\u0165 spojov a zv\u00fd\u0161en\u00e1 pr\u00e1cnos\u0165. V\u00fdhody ale prevy\u0161uj\u00fa. Najhlavnej\u0161ia v\u00fdhoda sp\u00e1jania kovov sp\u00e1jkami je to, \u017ee dok\u00e1\u017eu spoji\u0165 materi\u00e1ly, ktor\u00e9 s\u00fa \u0165a\u017eko tavite\u013en\u00e9. Sp\u00e1jan\u00e9 materi\u00e1ly sa nenatavuj\u00fa, tak\u017ee ich vlastnosti (\u0161trukt\u00fara, mechanick\u00e9, elektrick\u00e9, a magnetick\u00e9 vlastnosti) sa p\u00f4soben\u00edm tepla neporu\u0161ia. Neposlednou v\u00fdhodou je aj jednoduch\u00e9 zariadenie na v\u00fdrobu, mont\u00e1\u017e a \u00fadr\u017ebu.  Sp\u00e1jky v\u00fdhradne od eur\u00f3pskych dod\u00e1vate\u013eov a in\u00e9 produkty a slu\u017eby n\u00e1jdete na webstr\u00e1nke www.interweld.sk. Ma\u0165 kvalitu sa oplat\u00ed!                                                                                                                                                                                                                                                                                                                                                                                         4.2\/5 - (4 votes)        "},{"@context":"https:\/\/schema.org\/","@type":"BreadcrumbList","itemListElement":[{"@type":"ListItem","position":1,"name":"Sp\u00e1jky ako pomocn\u00edci pri sp\u00e1jan\u00ed kovov","item":"https:\/\/www.celebration.sk\/spajky-ako-pomocnici-pri-spajani-kovov\/#breadcrumbitem"}]}]