{"id":103314,"date":"2021-01-12T15:16:59","date_gmt":"2021-01-12T14:16:59","guid":{"rendered":"https:\/\/staging.express.fr\/non-categorise\/czym-jest-lutowanie\/"},"modified":"2026-02-11T14:37:58","modified_gmt":"2026-02-11T13:37:58","slug":"czym-jest-lutowanie","status":"publish","type":"post","link":"https:\/\/staging.express.fr\/pl\/aktualnosci\/spawanie-i-lutowanie-pl\/czym-jest-lutowanie\/","title":{"rendered":"Czym jest lutowanie?"},"content":{"rendered":"\n<a href=\"https:\/\/www.express.fr\/pl\/spawanie-i-lutowanie-pl\/jaka-jest-roznica-miedzy-lutowaniem-a-spawaniem\/\">Lutowanie<\/a> jest technik\u0105 \u0142\u0105czenia dw\u00f3ch metalowych element\u00f3w przez tworzenie ci\u0105g\u0142ego po\u0142\u0105czenia. Proces ten wymaga zastosowania metalowego spoiwa, kt\u00f3re zostaje stopione za pomoc\u0105 lutownicy lub palnika. Lutowanie mo\u017ce by\u0107 stosowane do obr\u00f3bki wielu materia\u0142\u00f3w. Wytrzyma\u0142o\u015b\u0107 lutowanego po\u0142\u0105czenia zale\u017cy twardo\u015bci lutu.\n<h2>Czym jest lutowanie<\/h2>\nProces lutowania umo\u017cliwia po\u0142\u0105czenie dw\u00f3ch metalowych cz\u0119\u015bci za pomoc\u0105 metalowego spoiwa. Zatem wyst\u0119puj\u0105 w\u00a0nim trzy elementy. Inaczej dzieje si\u0119 w przypadku <a href=\"https:\/\/www.express.fr\/pl\/kategoria-produkt\/zastosowanie\/zestaw-tlenowo-gazowy-do-spawania-i-lutospawania\/\">procesu spawania<\/a>, w kt\u00f3rym tworz\u0105 si\u0119 po\u0142\u0105czenia atomowe bezpo\u015brednio mi\u0119dzy dwoma \u0142\u0105czonymi elementami bez udzia\u0142u dodatkowego metalu.\n\nPrzy wykonywaniu lutowania nie u\u017cywa si\u0119 cz\u0119\u015bci ruchomych (\u015bruby, nity) do tworzenia po\u0142\u0105czenia. Jest wi\u0119c zarezerwowane do po\u0142\u0105cze\u0144 sta\u0142ych. Tylko metal spoiwa si\u0119 topi i\u00a0dochodzi w nim do zmian na poziomie atom\u00f3w. Oba \u0142\u0105czone elementy nie ulegaj\u0105 \u017cadnym zmianom.\n\nProces lutowania wykorzystuje zjawisko kapilarno\u015bci, kt\u00f3re polega na wnikaniu spoiwa mi\u0119dzy \u015bcianki lutowanych element\u00f3w. Jest to szczeg\u00f3lnie przydatne do \u0142\u0105czenia wsuwanych w siebie rur.\n<h2>Wyb\u00f3r metalu spoiwa<\/h2>\nMetal spoiwa musi by\u0107 inny ni\u017c metal, z kt\u00f3rego s\u0105 wykonane \u0142\u0105czone elementy. Jego temperatura topnienia musi by\u0107 ni\u017csza od temperatury topnienia lutowanych element\u00f3w, kt\u00f3re mog\u0105 by\u0107 wykonane z r\u00f3\u017cnych metali. W\u0142a\u015bnie dlatego temperatura lutowania jest ni\u017csza ni\u017c spawania, w kt\u00f3rym musz\u0105 by\u0107 stopione oba \u0142\u0105czone elementy.\n\nW zwi\u0105zku z tym spoiwo trzeba dobra\u0107 do w\u0142a\u015bciwo\u015bci \u0142\u0105czonych element\u00f3w.\n<h2>Lut mi\u0119kki a lut twardy<\/h2>\nJak ju\u017c wiadomo, materia\u0142y przeznaczone do lutowania musz\u0105 mie\u0107 wy\u017csz\u0105 temperatur\u0119 topnienia ni\u017c spoiwo. Do wyboru mamy lut mi\u0119kki i\u00a0lut twardy.\n\nLut mi\u0119kki wymaga temperatury od 180\u00b0C do 400\u00b0C. Jest stosowany do spoiwa z\u00a0cyny, o\u0142owiu i\u00a0cynku. Ma zastosowanie do po\u0142\u0105cze\u0144, kt\u00f3re nie wymagaj\u0105 du\u017cej wytrzyma\u0142o\u015bci, czyli takich, kt\u00f3re nie s\u0105 poddawane napr\u0119\u017ceniom mechanicznym (drgania, rozszerzanie, ci\u015bnienie).\n\nJe\u015bli potrzebna jest wi\u0119ksza wytrzyma\u0142o\u015b\u0107, trzeba zastosowa\u0107 lut twardy. W takim przypadku jako spoiwa lepiej u\u017cy\u0107 miedzi, srebra lub aluminium. Aby stopi\u0107 te metale potrzebna jest temperatura od 600\u00b0C do 900\u00b0C. Uzyskany lut ma du\u017co wi\u0119ksz\u0105 wytrzyma\u0142o\u015b\u0107 mechaniczn\u0105.\n\nDo lutowania miedzi stosuje si\u0119 cyn\u0119 i\u00a0o\u0142\u00f3w lub cyn\u0119 i\u00a0srebro. Uwaga! Niezale\u017cnie od tego, czy \u0142\u0105czona jest mied\u017a, stal czy inne metale, obwi\u0105zuje zakaz u\u017cywania o\u0142owiu w instalacjach wodoci\u0105gowych. Ponadto nie nale\u017cy stosowa\u0107 lutowania do instalacji gazowych.\n<h2>Stosowanie p\u0142ynu lutowniczego<\/h2>\n<div id=\"attachment_4301\" style=\"width: 240px\" class=\"wp-caption alignleft\"><a href=\"https:\/\/staging.express.fr\/wp-content\/uploads\/2026\/02\/840.jpg\"><img loading=\"lazy\" loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-4301\" class=\"wp-image-4302\" src=\"https:\/\/staging.express.fr\/wp-content\/uploads\/2026\/02\/840-300x271.jpg\" alt=\"D\u00e9cap\u2019 Express R\u00e9f. 840\" width=\"230\" height=\"198\" \/><\/a><p id=\"caption-attachment-4301\" class=\"wp-caption-text\">840 Topnik do lutowania cynowego<\/p><\/div>\n\nCz\u0119sto potrzebne jest zastosowanie p\u0142ynu lutowniczego (topnika), kt\u00f3ry rozpu\u015bci tlenki powsta\u0142e w\u00a0wyniku lutowania. Do zalet topnika nale\u017cy te\u017c nawil\u017canie, kt\u00f3re poprawia szybko\u015b\u0107 i\u00a0jako\u015b\u0107 lutowania.\n\nP\u0142yn lutowniczy zawiera kwas solny, stearyn\u0119, chlorek cynku czy fluorki. Stosuje si\u0119 go przez wprowadzenie w \u015brodek lutu.\n<h2>Sprz\u0119t lutowniczy<\/h2>\nDo lutowania mo\u017cna u\u017cy\u0107 r\u00f3\u017cnego rodzaju sprz\u0119tu. Poniewa\u017c wymagana temperatura jest ni\u017csza ni\u017c w przypadku spawania, wystarczy mie\u0107 lamp\u0119 lutownicz\u0105 lub palnik na butan lub propan. Oba narz\u0119dzia wytwarzaj\u0105 p\u0142omie\u0144. Do lutowania mo\u017cna te\u017c wykorzysta\u0107 lutownic\u0119 elektryczn\u0105 lub zestaw spawalniczy.\n\n&nbsp;\n\n&nbsp;\n","protected":false},"excerpt":{"rendered":"<p>Lutowanie jest technik\u0105 \u0142\u0105czenia dw\u00f3ch metalowych element\u00f3w przez tworzenie ci\u0105g\u0142ego po\u0142\u0105czenia. Proces ten wymaga zastosowania metalowego spoiwa, kt\u00f3re zostaje stopione za pomoc\u0105 lutownicy lub palnika&#8230;.<\/p>\n","protected":false},"author":2,"featured_media":102354,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"content-type":"","footnotes":""},"categories":[422,422],"tags":[],"class_list":["post-103314","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-spawanie-i-lutowanie-pl"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.5 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Czym jest lutowanie? - Express<\/title>\n<meta name=\"description\" content=\"Lutowanie jest technik\u0105 \u0142\u0105czenia dw\u00f3ch metalowych element\u00f3w przez tworzenie ci\u0105g\u0142ego po\u0142\u0105czenia. 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