{"id":4792,"date":"2026-01-16T12:56:34","date_gmt":"2026-01-16T12:56:34","guid":{"rendered":"https:\/\/shincofab.com\/?p=4792"},"modified":"2026-01-16T13:01:36","modified_gmt":"2026-01-16T13:01:36","slug":"spot-welding","status":"publish","type":"post","link":"https:\/\/shincofab.com\/cs\/spot-welding\/","title":{"rendered":"Bodov\u00e9 sva\u0159ov\u00e1n\u00ed 101: Nastaven\u00ed stroje a jak z\u00edskat siln\u00e9 svary"},"content":{"rendered":"<p class=\"wp-block-paragraph\">U\u017e v\u00e1s nebav\u00ed d\u011blat d\u00edry do tenk\u00e9ho plechu sv\u00e1\u0159e\u010dkou MIG? Za\u017eil jsem to. T\u0159i v\u00edkendy jsem se sna\u017eil opravit podlahovou krytinu na Mustangu z roku 1965 a honil jsem se za prop\u00e1len\u00fdmi d\u00edrami ho\u0159\u00e1kem MIG, a\u017e se mi cht\u011blo k\u0159i\u010det. Po letech v\u00fdroby panel\u016f jsem zjistil, \u017ee n\u011bkdy nen\u00ed nejlep\u0161\u00edm n\u00e1strojem obloukov\u00e1 sv\u00e1\u0159e\u010dka - je to bodov\u00e1 sv\u00e1\u0159e\u010dka.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">V\u011bt\u0161ina pr\u016fvodc\u016f se v\u0161ak \u010dte jako vysoko\u0161kolsk\u00e1 u\u010debnice fyziky. Kdy\u017e jsem si koupil svou prvn\u00ed ru\u010dn\u00ed jednotku, nezaj\u00edmal jsem se o \"d\u016fsledky joulov\u00e9ho oh\u0159evu\"; cht\u011bl jsem jen v\u011bd\u011bt, pro\u010d mi neust\u00e1le vypad\u00e1v\u00e1 jisti\u010d a pro\u010d mi praskaj\u00ed sv\u00e1ry.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">V t\u00e9to p\u0159\u00edru\u010dce se zbav\u00edm \u017eargonu. Dozv\u00edte se, jak p\u0159esn\u011b funguje bodov\u00e9 sva\u0159ov\u00e1n\u00ed, jak t\u011b\u017ek\u00e1 je realita dr\u017een\u00ed 30kilogramov\u00e9ho stroje a jednoduch\u00fd \"Peel Test\", kter\u00fd v\u00e1m zaru\u010d\u00ed, \u017ee va\u0161e svary nikdy nesel\u017eou.<\/p>\n\n\n\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_81 counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">Obsah<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"Toggle Table of Content\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">P\u0159ep\u00edna\u010d<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewbox=\"0 0 24 24\" version=\"1.2\" baseprofile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/span><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/shincofab.com\/cs\/spot-welding\/#What_Actually_is_Spot_Welding\" >Co je vlastn\u011b bodov\u00e9 sva\u0159ov\u00e1n\u00ed?<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/shincofab.com\/cs\/spot-welding\/#No_Filler_No_Gas_Just_Pressure\" >\u017d\u00e1dn\u00e9 plnivo, \u017e\u00e1dn\u00fd plyn, jen tlak<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/shincofab.com\/cs\/spot-welding\/#The_%E2%80%9CNugget%E2%80%9D_Concept\" >Koncept \"nuggetu\"<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/shincofab.com\/cs\/spot-welding\/#The_Pros_and_Cons_of_Spot_Welding\" >V\u00fdhody a nev\u00fdhody bodov\u00e9ho sva\u0159ov\u00e1n\u00ed<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/shincofab.com\/cs\/spot-welding\/#Pros_Why_You_Should_Use_It\" >V\u00fdhody (pro\u010d byste ji m\u011bli pou\u017e\u00edvat)<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/shincofab.com\/cs\/spot-welding\/#Cons\" >Nev\u00fdhody<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/shincofab.com\/cs\/spot-welding\/#Best_Metals_for_Spot_Welding_And_Ones_to_Avoid\" >Nejlep\u0161\u00ed kovy pro bodov\u00e9 sva\u0159ov\u00e1n\u00ed (a ty, kter\u00fdm se vyhnout)<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/shincofab.com\/cs\/spot-welding\/#Low_Carbon_Steel_Best_for_Beginners\" >N\u00edzkouhl\u00edkov\u00e1 ocel (nejlep\u0161\u00ed pro za\u010d\u00e1te\u010dn\u00edky)<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/shincofab.com\/cs\/spot-welding\/#Stainless_Steel\" >Nerezov\u00e1 ocel<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/shincofab.com\/cs\/spot-welding\/#Aluminum_Harder_Than_You_Think\" >Hlin\u00edk (t\u011b\u017e\u0161\u00ed, ne\u017e si mysl\u00edte)<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-11\" href=\"https:\/\/shincofab.com\/cs\/spot-welding\/#Galvanized_Steel%EF%BC%88Safety_Warning%EF%BC%89\" >Pozinkovan\u00e1 ocel\uff08Bezpe\u010dnostn\u00ed upozorn\u011bn\u00ed\uff09<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-12\" href=\"https:\/\/shincofab.com\/cs\/spot-welding\/#The_Core_Equipment_You_Need\" >Z\u00e1kladn\u00ed vybaven\u00ed, kter\u00e9 pot\u0159ebujete<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-13\" href=\"https:\/\/shincofab.com\/cs\/spot-welding\/#The_Power_Source_Transformer\" >Zdroj energie (transform\u00e1tor)<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-14\" href=\"https:\/\/shincofab.com\/cs\/spot-welding\/#Copper_Electrodes\" >M\u011bd\u011bn\u00e9 elektrody<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-15\" href=\"https:\/\/shincofab.com\/cs\/spot-welding\/#Tongs_and_Lever_Arms\" >Kle\u0161t\u011b a p\u00e1ky<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-16\" href=\"https:\/\/shincofab.com\/cs\/spot-welding\/#Handheld_vs_Pedestal_Which_Machine_Do_You_Need\" >Ru\u010dn\u00ed vs. stojanov\u00fd: Kter\u00fd stroj pot\u0159ebujete?<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-17\" href=\"https:\/\/shincofab.com\/cs\/spot-welding\/#Handheld_Tongs\" >Ru\u010dn\u00ed (kle\u0161t\u011b)<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-18\" href=\"https:\/\/shincofab.com\/cs\/spot-welding\/#Pedestal_Stationary\" >Podstavec (stacion\u00e1rn\u00ed)<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-19\" href=\"https:\/\/shincofab.com\/cs\/spot-welding\/#Essential_Surface_Prep\" >Z\u00e1kladn\u00ed p\u0159\u00edprava povrchu<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-20\" href=\"https:\/\/shincofab.com\/cs\/spot-welding\/#How_the_Process_Works_Step-by-Step\" >Jak proces funguje (krok za krokem)<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-21\" href=\"https:\/\/shincofab.com\/cs\/spot-welding\/#1_Squeeze_Time\" >1. \u010cas ma\u010dk\u00e1n\u00ed<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-22\" href=\"https:\/\/shincofab.com\/cs\/spot-welding\/#2_Weld_Time\" >2. Doba sva\u0159ov\u00e1n\u00ed<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-23\" href=\"https:\/\/shincofab.com\/cs\/spot-welding\/#3_Hold_Time\" >3. Doba podr\u017een\u00ed<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-24\" href=\"https:\/\/shincofab.com\/cs\/spot-welding\/#4_Release\" >4. Uvoln\u011bn\u00ed<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-25\" href=\"https:\/\/shincofab.com\/cs\/spot-welding\/#How_to_Know_Your_Weld_is_Strong%EF%BC%88Peel_Test\" >Jak zjistit, zda je v\u00e1\u0161 svar pevn\u00fd\uff08Zkou\u0161ka sv\u00e1ru)<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-26\" href=\"https:\/\/shincofab.com\/cs\/spot-welding\/#How_to_Do_It\" >Jak na to<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-27\" href=\"https:\/\/shincofab.com\/cs\/spot-welding\/#Reading_the_Results\" >\u010cten\u00ed v\u00fdsledk\u016f<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-28\" href=\"https:\/\/shincofab.com\/cs\/spot-welding\/#Common_Beginner_Mistakes\" >Nej\u010dast\u011bj\u0161\u00ed chyby za\u010d\u00e1te\u010dn\u00edk\u016f<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-29\" href=\"https:\/\/shincofab.com\/cs\/spot-welding\/#Weak_or_%E2%80%9CCold%E2%80%9D_Welds\" >Slab\u00e9 nebo \"studen\u00e9\" svary<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-30\" href=\"https:\/\/shincofab.com\/cs\/spot-welding\/#Blowing_Holes_in_the_Metal\" >Vyfukov\u00e1n\u00ed otvor\u016f v kovu<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-31\" href=\"https:\/\/shincofab.com\/cs\/spot-welding\/#The_%E2%80%9CEdge_Blowout%E2%80%9D\" >\"Hrana Blowout\"<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-32\" href=\"https:\/\/shincofab.com\/cs\/spot-welding\/#Too_Much_Splatter\" >P\u0159\u00edli\u0161 mnoho st\u0159\u00edkanc\u016f<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-33\" href=\"https:\/\/shincofab.com\/cs\/spot-welding\/#Frequently_Asked_Questions\" >\u010casto kladen\u00e9 ot\u00e1zky<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-34\" href=\"https:\/\/shincofab.com\/cs\/spot-welding\/#Do_I_need_a_welding_helmet_for_spot_welding\" >Pot\u0159ebuji pro bodov\u00e9 sva\u0159ov\u00e1n\u00ed sv\u00e1\u0159e\u010dskou p\u0159ilbu?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-35\" href=\"https:\/\/shincofab.com\/cs\/spot-welding\/#How_thick_of_metal_can_I_weld\" >Jak siln\u00fd kov mohu sva\u0159ovat?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-36\" href=\"https:\/\/shincofab.com\/cs\/spot-welding\/#Can_I_spot_weld_without_cleaning_the_metal\" >Mohu bodov\u011b sva\u0159ovat bez \u010di\u0161t\u011bn\u00ed kovu?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-37\" href=\"https:\/\/shincofab.com\/cs\/spot-welding\/#Is_spot_welding_strong_enough_for_structural_repairs\" >Je bodov\u00e9 sva\u0159ov\u00e1n\u00ed dostate\u010dn\u011b siln\u00e9 pro opravy konstrukc\u00ed?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-38\" href=\"https:\/\/shincofab.com\/cs\/spot-welding\/#Why_are_my_tips_turning_black\" >Pro\u010d mi \u010dernaj\u00ed \u0161pi\u010dky?<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-39\" href=\"https:\/\/shincofab.com\/cs\/spot-welding\/#Conclusion\" >Z\u00e1v\u011br<\/a><\/li><\/ul><\/nav><\/div>\n<h2 class=\"wp-block-heading\" id=\"h-what-actually-is-spot-welding\"><span class=\"ez-toc-section\" id=\"What_Actually_is_Spot_Welding\"><\/span>Co je vlastn\u011b bodov\u00e9 sva\u0159ov\u00e1n\u00ed?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<figure class=\"wp-block-image aligncenter size-large\"><img fetchpriority=\"high\" decoding=\"async\" width=\"1024\" height=\"576\" src=\"https:\/\/shincofab.com\/wp-content\/uploads\/2026\/01\/spot-welding-1024x576.jpg\" alt=\"bodov\u00e9 sva\u0159ov\u00e1n\u00ed\" class=\"wp-image-4794\" srcset=\"https:\/\/shincofab.com\/wp-content\/uploads\/2026\/01\/spot-welding-1024x576.jpg 1024w, https:\/\/shincofab.com\/wp-content\/uploads\/2026\/01\/spot-welding-300x169.jpg 300w, https:\/\/shincofab.com\/wp-content\/uploads\/2026\/01\/spot-welding-768x432.jpg 768w, https:\/\/shincofab.com\/wp-content\/uploads\/2026\/01\/spot-welding-1536x864.jpg 1536w, https:\/\/shincofab.com\/wp-content\/uploads\/2026\/01\/spot-welding-18x10.jpg 18w, https:\/\/shincofab.com\/wp-content\/uploads\/2026\/01\/spot-welding.jpg 1920w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">Oprost\u011bme se od definic z technick\u00fdch u\u010debnic. <a href=\"https:\/\/www.aws.org\/magazines-and-media\/welding-digest\/2022\/march\/welding-digest-staying-safe-during-resistance-welding\">Spot<\/a><a href=\"https:\/\/www.aws.org\/magazines-and-media\/welding-digest\/2022\/march\/welding-digest-staying-safe-during-resistance-welding\" target=\"_blank\" rel=\"noreferrer noopener\"> <\/a><a href=\"https:\/\/www.aws.org\/magazines-and-media\/welding-digest\/2022\/march\/welding-digest-staying-safe-during-resistance-welding\">sva\u0159ov\u00e1n\u00ed<\/a> je p\u0159esn\u011b takov\u00fd, jak zn\u00ed: sva\u0159uje dva kusy kovu v jednom p\u0159esn\u011b ur\u010den\u00e9m m\u00edst\u011b.<br>Je to pravd\u011bpodobn\u011b nejjednodu\u0161\u0161\u00ed zp\u016fsob spojov\u00e1n\u00ed plech\u016f. Nepot\u0159ebujete p\u0159ilbu se zatem\u0148ovac\u00edmi skly a rozhodn\u011b nepot\u0159ebujete roky praxe, aby v\u00e1m to dr\u017eelo.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-no-filler-no-gas-just-pressure\"><span class=\"ez-toc-section\" id=\"No_Filler_No_Gas_Just_Pressure\"><\/span>\u017d\u00e1dn\u00e9 plnivo, \u017e\u00e1dn\u00fd plyn, jen tlak<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Pokud jste n\u011bkdy zkou\u0161eli sva\u0159ovat metodou MIG nebo TIG, v\u00edte, jak je to t\u011b\u017ek\u00e9. Mus\u00edte kupovat drah\u00e9 n\u00e1dr\u017ee ochrann\u00e9ho plynu, c\u00edvky dr\u00e1tu a p\u0159\u00eddavn\u00e9 ty\u010de. To se rychle nas\u010d\u00edt\u00e1.<br>Bodov\u00e9 sva\u0159ov\u00e1n\u00ed to v\u0161e vylu\u010duje.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u017d\u00e1dn\u00fd dr\u00e1t:<\/strong> Do spoje nep\u0159id\u00e1v\u00e1te \u017e\u00e1dn\u00fd dal\u0161\u00ed kov.<\/li>\n\n\n\n<li><strong>\u017d\u00e1dn\u00fd plyn:<\/strong> Svar nemus\u00edte chr\u00e1nit p\u0159ed vzduchem.<\/li>\n\n\n\n<li><strong>\u017d\u00e1dn\u00fd spot\u0159ebn\u00ed materi\u00e1l:<\/strong> Krom\u011b elekt\u0159iny nic \"nespot\u0159ebov\u00e1v\u00e1te\".<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Funguje v\u00fdhradn\u011b na z\u00e1klad\u011b tepla a tlaku. Pomoc\u00ed elekt\u0159iny jednodu\u0161e spoj\u00edte dva st\u00e1vaj\u00edc\u00ed plechy nov\u00e9ho kovu dohromady. D\u00edky tomu je to \u010dist\u0161\u00ed, levn\u011bj\u0161\u00ed a pro za\u010d\u00e1te\u010dn\u00edka mnohem m\u00e9n\u011b n\u00e1ro\u010dn\u00e9 na p\u0159\u00edpravu v gar\u00e1\u017ei.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-the-nugget-concept\"><span class=\"ez-toc-section\" id=\"The_%E2%80%9CNugget%E2%80%9D_Concept\"><\/span>Koncept \"nuggetu\"<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Jak vlastn\u011b vazba vznik\u00e1?<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">P\u0159edstavte si, \u017ee sev\u0159ete dva plechy mezi dva m\u011bd\u011bn\u00e9 prsty (elektrody). Kdy\u017e stisknete spou\u0161\u0165, z jednoho prstu na druh\u00fd vyst\u0159el\u00ed mohutn\u00fd proud.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Proto\u017ee kov <a href=\"https:\/\/www.sciencedirect.com\/topics\/chemical-engineering\/joule-heating\" target=\"_blank\" rel=\"noreferrer noopener\">odol\u00e1v\u00e1 proud\u011bn\u00ed elekt\u0159iny<\/a>, se zah\u0159\u00edv\u00e1. Extr\u00e9mn\u011b hork\u00e9.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u017d\u00e1r roztav\u00ed kov p\u0159\u00edmo uprost\u0159ed, kde se oba plechy dot\u00fdkaj\u00ed. T\u00edm se mezi vrstvami vytvo\u0159\u00ed mal\u00e1 lou\u017ei\u010dka tekut\u00e9 oceli. Tomuto m\u00edstu \u0159\u00edk\u00e1me <strong>\"nugget\".<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Kdy\u017e se proud zastav\u00ed, nuget okam\u017eit\u011b vychladne. Kapalina se zm\u011bn\u00ed zp\u011bt na pevn\u00fd kov a va\u0161e dva odd\u011blen\u00e9 plechy se nyn\u00ed fyzicky spoj\u00ed v jeden kus v dan\u00e9m bod\u011b. Zven\u010d\u00ed je mo\u017en\u00e1 vid\u011bt jen mal\u00fd d\u016flek, ale uvnit\u0159 je pevn\u011b uzav\u0159en.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Te\u010f, kdy\u017e u\u017e v\u00edte, co to je, se pod\u00edv\u00e1me, pro\u010d ho vlastn\u011b chcete pou\u017e\u00edvat.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-the-pros-and-cons-of-spot-welding\"><span class=\"ez-toc-section\" id=\"The_Pros_and_Cons_of_Spot_Welding\"><\/span>V\u00fdhody a nev\u00fdhody bodov\u00e9ho sva\u0159ov\u00e1n\u00ed<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<figure class=\"wp-block-image aligncenter size-large\"><img decoding=\"async\" width=\"1024\" height=\"576\" src=\"https:\/\/shincofab.com\/wp-content\/uploads\/2026\/01\/spot-welding-1-1024x576.jpg\" alt=\"bodov\u00e9 sva\u0159ov\u00e1n\u00ed\" class=\"wp-image-4796\" srcset=\"https:\/\/shincofab.com\/wp-content\/uploads\/2026\/01\/spot-welding-1-1024x576.jpg 1024w, https:\/\/shincofab.com\/wp-content\/uploads\/2026\/01\/spot-welding-1-300x169.jpg 300w, https:\/\/shincofab.com\/wp-content\/uploads\/2026\/01\/spot-welding-1-768x432.jpg 768w, https:\/\/shincofab.com\/wp-content\/uploads\/2026\/01\/spot-welding-1-1536x864.jpg 1536w, https:\/\/shincofab.com\/wp-content\/uploads\/2026\/01\/spot-welding-1-18x10.jpg 18w, https:\/\/shincofab.com\/wp-content\/uploads\/2026\/01\/spot-welding-1.jpg 1920w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">Je to ten spr\u00e1vn\u00fd n\u00e1stroj pro v\u00e1\u0161 konkr\u00e9tn\u00ed projekt? Z\u00e1le\u017e\u00ed na tom. Bodov\u00e9 sva\u0159ov\u00e1n\u00ed je specializovan\u00e1 dovednost, ne kouzeln\u00e1 h\u016flka pro ka\u017edou opravu.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-pros-why-you-should-use-it\"><span class=\"ez-toc-section\" id=\"Pros_Why_You_Should_Use_It\"><\/span>V\u00fdhody (pro\u010d byste ji m\u011bli pou\u017e\u00edvat)<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Existuj\u00ed t\u0159i hlavn\u00ed d\u016fvody, pro\u010d automobilky a tov\u00e1rny tento proces miluj\u00ed.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Rychlost:<\/strong> Je neuv\u011b\u0159iteln\u011b rychl\u00fd. Typick\u00fd svar trv\u00e1 m\u00e9n\u011b ne\u017e jednu sekundu. Opravu panelu zvl\u00e1dnete za zlomek \u010dasu pot\u0159ebn\u00e9ho ke sva\u0159ov\u00e1n\u00ed metodou MIG.<\/li>\n\n\n\n<li><strong>\u00dahlednost:<\/strong> Nen\u00ed t\u0159eba brousit \u017e\u00e1dn\u00e9 \u0161pinav\u00e9 kuli\u010dky. Kov z\u016fst\u00e1v\u00e1 rovn\u00fd. Pokud d\u011bl\u00e1te karoserii, znamen\u00e1 to m\u00e9n\u011b v\u00fdpln\u011b a m\u00e9n\u011b pozd\u011bj\u0161\u00edho brou\u0161en\u00ed.<\/li>\n\n\n\n<li><strong>\u017d\u00e1dn\u00e9 opakuj\u00edc\u00ed se n\u00e1klady:<\/strong> To je pro va\u0161i pen\u011b\u017eenku to nejlep\u0161\u00ed. \u017d\u00e1dn\u00e9 dr\u00e1t\u011bn\u00e9 c\u00edvky. \u017d\u00e1dn\u00e9 st\u00edn\u011bn\u00ed plynov\u00fdch n\u00e1dr\u017e\u00ed. Jakmile si stroj koup\u00edte, v podstat\u011b b\u011b\u017e\u00ed zdarma.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-cons\"><span class=\"ez-toc-section\" id=\"Cons\"><\/span>Nev\u00fdhody<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Bodov\u00e1 sv\u00e1\u0159e\u010dka v\u0161ak nem\u016f\u017ee zcela nahradit standardn\u00ed sv\u00e1\u0159e\u010dku. M\u00e1 p\u0159\u00edsn\u00e1 fyzik\u00e1ln\u00ed omezen\u00ed.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Omezen\u00e9 klouby:<\/strong> Z\u016fstaly v\u00e1m \"kolenn\u00ed klouby\". To znamen\u00e1, \u017ee se plechy mus\u00ed p\u0159ekr\u00fdvat naplocho. Nefunguje to pro spojov\u00e1n\u00ed trubek, roh\u016f nebo siln\u00fdch konstruk\u010dn\u00edch nosn\u00edk\u016f.<\/li>\n\n\n\n<li><strong>Probl\u00e9my s dosahem:<\/strong> Jste omezeni d\u00e9lkou kle\u0161t\u00ed. Pokud pot\u0159ebujete sva\u0159it st\u0159ed velk\u00e9 kapoty automobilu, ramena stroje nemus\u00ed dos\u00e1hnout dostate\u010dn\u011b hluboko. V\u011bt\u0161inou jste omezeni na pr\u00e1ci v bl\u00edzkosti okraj\u016f plech\u016f.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Pokud u v\u00e1s v\u00fdhody p\u0159eva\u017euj\u00ed nad nev\u00fdhodami, je dal\u0161\u00edm krokem zji\u0161t\u011bn\u00ed, zda jsou va\u0161e materi\u00e1ly kompatibiln\u00ed.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-best-metals-for-spot-welding-and-ones-to-avoid\"><span class=\"ez-toc-section\" id=\"Best_Metals_for_Spot_Welding_And_Ones_to_Avoid\"><\/span>Nejlep\u0161\u00ed kovy pro bodov\u00e9 sva\u0159ov\u00e1n\u00ed (a ty, kter\u00fdm se vyhnout)<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<figure class=\"wp-block-image aligncenter size-large\"><img decoding=\"async\" width=\"1024\" height=\"576\" src=\"https:\/\/shincofab.com\/wp-content\/uploads\/2026\/01\/different-sheet-metal-1024x576.jpg\" alt=\"\" class=\"wp-image-4797\" srcset=\"https:\/\/shincofab.com\/wp-content\/uploads\/2026\/01\/different-sheet-metal-1024x576.jpg 1024w, https:\/\/shincofab.com\/wp-content\/uploads\/2026\/01\/different-sheet-metal-300x169.jpg 300w, https:\/\/shincofab.com\/wp-content\/uploads\/2026\/01\/different-sheet-metal-768x432.jpg 768w, https:\/\/shincofab.com\/wp-content\/uploads\/2026\/01\/different-sheet-metal-1536x864.jpg 1536w, https:\/\/shincofab.com\/wp-content\/uploads\/2026\/01\/different-sheet-metal-18x10.jpg 18w, https:\/\/shincofab.com\/wp-content\/uploads\/2026\/01\/different-sheet-metal.jpg 1920w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">Ne v\u0161echny kovy jsou stejn\u00e9. N\u011bkter\u00e9 cht\u011bj\u00ed b\u00fdt sva\u0159eny bodov\u011b, zat\u00edmco jin\u00e9 se v\u00e1m budou br\u00e1nit na ka\u017ed\u00e9m kroku. Znalost rozd\u00edl\u016f v\u00e1m u\u0161et\u0159\u00ed spoustu starost\u00ed.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-low-carbon-steel-best-for-beginners\"><span class=\"ez-toc-section\" id=\"Low_Carbon_Steel_Best_for_Beginners\"><\/span>N\u00edzkouhl\u00edkov\u00e1 ocel (nejlep\u0161\u00ed pro za\u010d\u00e1te\u010dn\u00edky)<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Pokud jste v t\u00e9to oblasti nov\u00e1\u010dci, za\u010dn\u011bte zde. N\u00edzkouhl\u00edkov\u00e1 ocel (\u010dasto naz\u00fdvan\u00e1 m\u011bkk\u00e1 ocel) je nejjednodu\u0161\u0161\u00ed materi\u00e1l, na kter\u00e9m se m\u016f\u017eete u\u010dit.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">M\u00e1 dokonale vyv\u00e1\u017eenou elektrickou odolnost. Rychle se zah\u0159\u00edv\u00e1, p\u0159edv\u00eddateln\u011b se tav\u00ed a siln\u011b se tav\u00ed. Je velmi shov\u00edvav\u00fd k chyb\u00e1m za\u010d\u00e1te\u010dn\u00edk\u016f. Pokud se v\u00e1m m\u00edrn\u011b nepovede na\u010dasov\u00e1n\u00ed, m\u011bkk\u00e1 ocel obvykle st\u00e1le dr\u017e\u00ed pohromad\u011b.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-stainless-steel\"><span class=\"ez-toc-section\" id=\"Stainless_Steel\"><\/span>Nerezov\u00e1 ocel<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Nerezov\u00e1 ocel je pln\u011b sva\u0159iteln\u00e1, ale m\u00e1 jin\u00fd charakter.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">M\u00e1 vy\u0161\u0161\u00ed elektrick\u00fd odpor ne\u017e m\u011bkk\u00e1 ocel. To znamen\u00e1, \u017ee se zah\u0159\u00edv\u00e1 mnohem rychleji. Proto\u017ee se tak rychle zah\u0159\u00edv\u00e1, je obvykle nutn\u00e9 sn\u00ed\u017eit nastaven\u00ed. Pou\u017eijte men\u0161\u00ed proud nebo krat\u0161\u00ed dobu sva\u0159ov\u00e1n\u00ed. Pokud s n\u00ed budete zach\u00e1zet stejn\u011b jako s m\u011bkkou ocel\u00ed, m\u016f\u017eete kov p\u0159eh\u0159\u00e1t a projekt zdeformovat.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-aluminum-harder-than-you-think\"><span class=\"ez-toc-section\" id=\"Aluminum_Harder_Than_You_Think\"><\/span>Hlin\u00edk (t\u011b\u017e\u0161\u00ed, ne\u017e si mysl\u00edte)<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Mo\u017en\u00e1 si mysl\u00edte, \u017ee hlin\u00edk bude snadn\u00fd, proto\u017ee je lehk\u00fd. Ve skute\u010dnosti je to pro v\u011bt\u0161inu dom\u00e1c\u00edch sv\u00e1\u0159e\u010d\u016f no\u010dn\u00ed m\u016fra.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Hlin\u00edk vede elektrick\u00fd proud velmi dob\u0159e, t\u00e9m\u011b\u0159 stejn\u011b dob\u0159e jako m\u011b\u010f. M\u00edsto aby kladl proudu odpor a vytv\u00e1\u0159el teplo, hlin\u00edk elekt\u0159inu propou\u0161t\u00ed. Aby se vytvo\u0159il \"nuget\", je pot\u0159eba obrovsk\u00fd n\u00e1razov\u00fd proud.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">V\u011bt\u0161ina cenov\u011b dostupn\u00fdch kapesn\u00edch jednotek nem\u00e1 dostatek \u0161\u0165\u00e1vy, aby to zvl\u00e1dla. Pro spolehliv\u00e9 bodov\u00e9 sva\u0159ov\u00e1n\u00ed hlin\u00edku je zpravidla pot\u0159eba drah\u00e9 za\u0159\u00edzen\u00ed pr\u016fmyslov\u00e9 t\u0159\u00eddy.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-galvanized-steel-safety-warning\"><span class=\"ez-toc-section\" id=\"Galvanized_Steel%EF%BC%88Safety_Warning%EF%BC%89\"><\/span>Pozinkovan\u00e1 ocel\uff08Bezpe\u010dnostn\u00ed upozorn\u011bn\u00ed\uff09<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Zde mus\u00edte b\u00fdt opatrn\u00ed. Pozinkovan\u00e1 ocel je b\u011b\u017en\u00e1 ocel pota\u017een\u00e1 zinkem, kter\u00fd zabra\u0148uje korozi.<br>P\u0159i zah\u0159\u00edv\u00e1n\u00ed zinek ho\u0159\u00ed a vytv\u00e1\u0159\u00ed b\u00edl\u00fd kou\u0159. Tento kou\u0159 je toxick\u00fd. Jeho vdechov\u00e1n\u00ed m\u016f\u017ee zp\u016fsobit \"<a href=\"https:\/\/stacks.cdc.gov\/view\/cdc\/245820\">hore\u010dka z kovov\u00fdch v\u00fdpar\u016f<\/a>,\" co\u017e je jako stra\u0161n\u00e1 ch\u0159ipka.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Zinek tak\u00e9 p\u016fsob\u00ed jako lepidlo na m\u011bd\u011bn\u00e9 elektrody. Usly\u0161\u00edte v\u00fdrazn\u00e9 \"sy\u010den\u00ed\" a va\u0161e hroty se p\u0159ilep\u00ed ke kovu. Pokud mus\u00edte sva\u0159ovat t\u00edmto zp\u016fsobem, zinek d\u016fsledn\u011b obru\u0161ujte, noste respir\u00e1tor P100 a m\u011bjte po ruce piln\u00edk, kter\u00fdm hroty po ka\u017ed\u00fdch n\u011bkolika svarech o\u010dist\u00edte.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Nyn\u00ed se pod\u00edvejme na skute\u010dn\u00e9 za\u0159\u00edzen\u00ed, kter\u00e9 to umo\u017e\u0148uje.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-the-core-equipment-you-need\"><span class=\"ez-toc-section\" id=\"The_Core_Equipment_You_Need\"><\/span>Z\u00e1kladn\u00ed vybaven\u00ed, kter\u00e9 pot\u0159ebujete<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<figure class=\"wp-block-image aligncenter size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"576\" src=\"https:\/\/shincofab.com\/wp-content\/uploads\/2026\/01\/spot-welding-equipment-1024x576.jpg\" alt=\"\" class=\"wp-image-4804\" srcset=\"https:\/\/shincofab.com\/wp-content\/uploads\/2026\/01\/spot-welding-equipment-1024x576.jpg 1024w, https:\/\/shincofab.com\/wp-content\/uploads\/2026\/01\/spot-welding-equipment-300x169.jpg 300w, https:\/\/shincofab.com\/wp-content\/uploads\/2026\/01\/spot-welding-equipment-768x432.jpg 768w, https:\/\/shincofab.com\/wp-content\/uploads\/2026\/01\/spot-welding-equipment-1536x864.jpg 1536w, https:\/\/shincofab.com\/wp-content\/uploads\/2026\/01\/spot-welding-equipment-18x10.jpg 18w, https:\/\/shincofab.com\/wp-content\/uploads\/2026\/01\/spot-welding-equipment.jpg 1920w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">K zah\u00e1jen\u00ed bodov\u00e9ho sva\u0159ov\u00e1n\u00ed nepot\u0159ebujete dod\u00e1vku plnou n\u00e1\u0159ad\u00ed. Samotn\u00fd stroj je pom\u011brn\u011b jednoduch\u00fd, ale ka\u017ed\u00e1 jeho \u010d\u00e1st hraje specifickou roli p\u0159i vytv\u00e1\u0159en\u00ed svaru.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-the-power-source-transformer\"><span class=\"ez-toc-section\" id=\"The_Power_Source_Transformer\"><\/span>Zdroj energie (transform\u00e1tor)<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">T\u011b\u017ek\u00e1 sk\u0159\u00ed\u0148 v srdci sv\u00e1\u0159e\u010dky je transform\u00e1tor. Jeho \u00fakolem je m\u011bnit elektrickou energii p\u0159ich\u00e1zej\u00edc\u00ed ze z\u00e1suvky.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">P\u0159ij\u00edm\u00e1 vysok\u00e9 nap\u011bt\u00ed a p\u0159ev\u00e1d\u00ed ho na <strong>vysok\u00fd proud<\/strong>.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">P\u0159edstavte si to jako tlakov\u00fd \u010disti\u010d a hasi\u010dskou hadici. Nepot\u0159ebujete vysok\u00fd tlak (nap\u011bt\u00ed), ale obrovsk\u00fd objem vody (amp\u00e9ry). Bodov\u00e1 sv\u00e1\u0159e\u010dka pumpuje do kovu tis\u00edce amp\u00e9r\u016f. Tento p\u0159\u00edval energie zp\u016fsob\u00ed rychl\u00e9 zah\u0159\u00e1t\u00ed pot\u0159ebn\u00e9 k okam\u017eit\u00e9mu roztaven\u00ed oceli.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-copper-electrodes\"><span class=\"ez-toc-section\" id=\"Copper_Electrodes\"><\/span>M\u011bd\u011bn\u00e9 elektrody<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\"Prsty\", kter\u00e9 se skute\u010dn\u011b dot\u00fdkaj\u00ed kovu, jsou v\u017edy vyrobeny z m\u011bdi. Mo\u017en\u00e1 si \u0159\u00edk\u00e1te, pro\u010d ne ocel?<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Kdyby byly hroty ocelov\u00e9, roztavily by se a p\u0159iva\u0159ily p\u0159\u00edmo k va\u0161emu projektu. To by byla katastrofa.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">M\u011b\u010f je v\u00fdjime\u010dn\u00e1, proto\u017ee je fantastick\u00fdm vodi\u010dem. Snadno j\u00ed prot\u00e9k\u00e1 elektrick\u00fd proud, ani\u017e by vytv\u00e1\u0159ela velk\u00e9 mno\u017estv\u00ed tepla. Ocelov\u00fd obrobek se v\u0161ak elekt\u0159in\u011b br\u00e1n\u00ed, a proto vznik\u00e1 teplo. M\u011bd\u011bn\u00e9 hroty ve skute\u010dnosti pom\u00e1haj\u00ed odv\u00e1d\u011bt teplo z povrchu, \u010d\u00edm\u017e zaji\u0161\u0165uj\u00ed, \u017ee dojde k roztaven\u00ed. <em>uvnit\u0159<\/em> prost\u011bradla, ne na vn\u011bj\u0161\u00ed stran\u011b.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-tongs-and-lever-arms\"><span class=\"ez-toc-section\" id=\"Tongs_and_Lever_Arms\"><\/span>Kle\u0161t\u011b a p\u00e1ky<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">To je sval operace. Kle\u0161t\u011b jsou dlouh\u00e1 ramena, kter\u00e1 dr\u017e\u00ed elektrody, a p\u00e1ka jimi pohybuje.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">A\u0165 u\u017e pou\u017e\u00edv\u00e1te ru\u010dn\u00ed p\u00e1ku nebo no\u017en\u00ed ped\u00e1l na v\u011bt\u0161\u00edm stroji, tato ramena poskytuj\u00ed mechanickou p\u00e1ku. Umo\u017e\u0148uj\u00ed vyvinout stovky kilogram\u016f p\u0159\u00edtla\u010dn\u00e9 s\u00edly pouh\u00fdm stiskem ruky. Tato s\u00edla udr\u017euje kov rovn\u00fd a proud soust\u0159ed\u011bn\u00fd.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Znalost vnit\u0159n\u00edch \u010d\u00e1st\u00ed je u\u017eite\u010dn\u00e1, ale jak\u00fd typ stroje byste si m\u011bli vlastn\u011b koupit?<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-handheld-vs-pedestal-which-machine-do-you-need\"><span class=\"ez-toc-section\" id=\"Handheld_vs_Pedestal_Which_Machine_Do_You_Need\"><\/span>Ru\u010dn\u00ed vs. stojanov\u00fd: Kter\u00fd stroj pot\u0159ebujete?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">V\u011bt\u0161ina p\u0159\u00edru\u010dek \u0159ad\u00ed v\u0161echny bodov\u00e9 sv\u00e1\u0159e\u010dky do jedn\u00e9 kategorie, ale to je matouc\u00ed. Existuj\u00ed dva velmi odli\u0161n\u00e9 n\u00e1stroje pro dv\u011b velmi odli\u0161n\u00e9 pr\u00e1ce.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Mus\u00edte se rozhodnout, zda sv\u00e1\u0159e\u010de p\u0159ivedete k pr\u00e1ci, nebo pr\u00e1ci ke sv\u00e1\u0159e\u010di.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-handheld-tongs\"><span class=\"ez-toc-section\" id=\"Handheld_Tongs\"><\/span>Ru\u010dn\u00ed (kle\u0161t\u011b)<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<figure class=\"wp-block-image aligncenter size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"576\" src=\"https:\/\/shincofab.com\/wp-content\/uploads\/2026\/01\/Handheld-spot-welding-machine-1024x576.jpg\" alt=\"\" class=\"wp-image-4799\" srcset=\"https:\/\/shincofab.com\/wp-content\/uploads\/2026\/01\/Handheld-spot-welding-machine-1024x576.jpg 1024w, https:\/\/shincofab.com\/wp-content\/uploads\/2026\/01\/Handheld-spot-welding-machine-300x169.jpg 300w, https:\/\/shincofab.com\/wp-content\/uploads\/2026\/01\/Handheld-spot-welding-machine-768x432.jpg 768w, https:\/\/shincofab.com\/wp-content\/uploads\/2026\/01\/Handheld-spot-welding-machine-1536x864.jpg 1536w, https:\/\/shincofab.com\/wp-content\/uploads\/2026\/01\/Handheld-spot-welding-machine-18x10.jpg 18w, https:\/\/shincofab.com\/wp-content\/uploads\/2026\/01\/Handheld-spot-welding-machine.jpg 1920w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">Jedn\u00e1 se o standardn\u00ed volbu pro kutily a oprav\u00e1\u0159e karoseri\u00ed.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Vypad\u00e1 jako t\u011b\u017ek\u00e9, nadm\u011brn\u011b velk\u00e9 kle\u0161t\u011b p\u0159ipojen\u00e9 k nap\u00e1jec\u00edmu kabelu. Fyzicky jej dr\u017e\u00edte, zved\u00e1te a up\u00edn\u00e1te na materi\u00e1l. Jsou velmi obl\u00edben\u00e9, proto\u017ee jsou <strong>p\u0159enosn\u00fd<\/strong>.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Pokud opravujete zreziv\u011bl\u00fd blatn\u00edk na klasick\u00e9m aut\u011b, nem\u016f\u017eete d\u00e1t cel\u00e9 auto na pracovn\u00ed st\u016fl. Sv\u00e1\u0159e\u010dku mus\u00edte p\u0159en\u00e9st k autu.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>N\u00e1klady:<\/strong> Cenov\u011b dostupn\u00e9. Slu\u0161n\u00e9 startovac\u00ed jednotky najdete za $150 a\u017e $300.<\/li>\n\n\n\n<li><strong>Nejlep\u0161\u00ed pro:<\/strong> Opravy, velk\u00e9 objekty a hobby.<\/li>\n\n\n\n<li><strong>Nev\u00fdhody:<\/strong> Rychle se zt\u011b\u017eknou. Dr\u017eet t\u0159icetikilovou jednotku ve v\u00fd\u0161ce ramen a sva\u0159ovat r\u00e1m dve\u0159\u00ed je jako tr\u00e9nink v posilovn\u011b. Po t\u0159et\u00edm sv\u00e1ru se v\u00e1m za\u010dnou t\u0159\u00e1st ruce, co\u017e m\u016f\u017ee zni\u010dit va\u0161e se\u0159\u00edzen\u00ed.<\/li>\n\n\n\n<li><strong>Profesion\u00e1ln\u00ed tip:<\/strong> D\u00e1vejte si pozor na prodlu\u017eovac\u00ed kabel. Jednou jsem si myslel, \u017ee m\u00e1m rozbitou sv\u00e1\u0159e\u010dku, proto\u017ee sv\u00e1ry byly slab\u00e9. Uk\u00e1zalo se, \u017ee jsem pou\u017e\u00edval levnou, tenkou prodlu\u017eovac\u00ed \u0161\u0148\u016fru. Tyto sv\u00e1\u0159e\u010dky jsou n\u00e1ro\u010dn\u00e9 na energii; pokud je dlouhou a tenkou \u0161\u0148\u016frou vyhladov\u00edte, ztrat\u00edte proud pot\u0159ebn\u00fd k tomu, aby sv\u00e1r dr\u017eel. Pokud m\u016f\u017eete, p\u0159ipojte se p\u0159\u00edmo do zdi.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-pedestal-stationary\"><span class=\"ez-toc-section\" id=\"Pedestal_Stationary\"><\/span>Podstavec (stacion\u00e1rn\u00ed)<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<figure class=\"wp-block-image aligncenter size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"576\" src=\"https:\/\/shincofab.com\/wp-content\/uploads\/2026\/01\/Pedestal-Spot-Welding-Machine-1024x576.jpg\" alt=\"\" class=\"wp-image-4800\" srcset=\"https:\/\/shincofab.com\/wp-content\/uploads\/2026\/01\/Pedestal-Spot-Welding-Machine-1024x576.jpg 1024w, https:\/\/shincofab.com\/wp-content\/uploads\/2026\/01\/Pedestal-Spot-Welding-Machine-300x169.jpg 300w, https:\/\/shincofab.com\/wp-content\/uploads\/2026\/01\/Pedestal-Spot-Welding-Machine-768x432.jpg 768w, https:\/\/shincofab.com\/wp-content\/uploads\/2026\/01\/Pedestal-Spot-Welding-Machine-1536x864.jpg 1536w, https:\/\/shincofab.com\/wp-content\/uploads\/2026\/01\/Pedestal-Spot-Welding-Machine-18x10.jpg 18w, https:\/\/shincofab.com\/wp-content\/uploads\/2026\/01\/Pedestal-Spot-Welding-Machine.jpg 1920w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">Tohle je velk\u00e1 souprava. Stoj\u00ed na podlaze nebo je p\u0159i\u0161roubovan\u00e1 k t\u011b\u017ek\u00e9 lavici.<br>Sv\u00e1\u0159e\u010dku nedr\u017e\u00edte v ruce. M\u00edsto toho dr\u017e\u00edte kovov\u00fd d\u00edl a posouv\u00e1te jej mezi elektrodami. Up\u00ednac\u00ed s\u00edlu ovl\u00e1d\u00e1te no\u017en\u00edm ped\u00e1lem, d\u00edky \u010demu\u017e m\u00e1te ob\u011b ruce voln\u00e9 k zarovn\u00e1v\u00e1n\u00ed kovu.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>N\u00e1klady:<\/strong> Drah\u00e9. Jedn\u00e1 se o pr\u016fmyslov\u00e9 stroje.<\/li>\n\n\n\n<li><strong>Nejlep\u0161\u00ed pro:<\/strong> V\u00fdrobn\u00ed pr\u00e1ce. Pokud stav\u00edte 500 mal\u00fdch kovov\u00fdch dr\u017e\u00e1k\u016f, je to jedin\u00e1 spr\u00e1vn\u00e1 cesta.<\/li>\n\n\n\n<li><strong>Nev\u00fdhody:<\/strong> Nem\u016f\u017eete s n\u00edm h\u00fdbat. Ka\u017edou \u010d\u00e1st mus\u00edte p\u0159en\u00e9st ke stroji.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">A\u0165 u\u017e si vyberete jak\u00fdkoli stroj, pokud vynech\u00e1te nejd\u016fle\u017eit\u011bj\u0161\u00ed krok cel\u00e9ho procesu: \u010di\u0161t\u011bn\u00ed, je prakticky na nic.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-essential-surface-prep\"><span class=\"ez-toc-section\" id=\"Essential_Surface_Prep\"><\/span>Z\u00e1kladn\u00ed p\u0159\u00edprava povrchu<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">V\u011bt\u0161ina za\u010d\u00e1te\u010dn\u00edk\u016f obvi\u0148uje stroj, kdy\u017e se jim nepoda\u0159\u00ed sva\u0159it. V 90% p\u0159\u00edpadech v\u0161ak nen\u00ed probl\u00e9m ve sv\u00e1\u0159e\u010dce. Je to ne\u010distota na kovu.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Bodov\u00e9 sva\u0159ov\u00e1n\u00ed funguje v\u00fdhradn\u011b na z\u00e1klad\u011b elektrick\u00e9ho odporu. Aby odpor vytv\u00e1\u0159el teplo, mus\u00ed se elekt\u0159ina nejprve dostat do kovu.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Rez, barva a okuje (tmav\u00fd povlak na nov\u00e9 oceli) p\u016fsob\u00ed jako gumov\u00e1 st\u011bna. Jsou to izol\u00e1tory. Zastavuj\u00ed tok proudu na mrtv\u00e9m bod\u011b.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Pokud se pokus\u00edte sva\u0159ovat p\u0159es barvu nebo rez, stane se jedna ze dvou v\u011bc\u00ed:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Nic:<\/strong> Stroj hu\u010d\u00ed, ale neprot\u00e9k\u00e1 j\u00edm \u017e\u00e1dn\u00fd proud, proto\u017ee obvod je p\u0159eru\u0161en.<\/li>\n\n\n\n<li><strong>\"Pop\":<\/strong> Proud se prod\u00edr\u00e1 malou mezerou. M\u00edsto plynul\u00e9ho bzu\u010den\u00ed usly\u0161\u00edte hlasit\u00e9 \"CRACK\" jako v\u00fdst\u0159el. Kov v m\u00edst\u011b kontaktu v podstat\u011b exploduje a na ko\u0161ili v\u00e1m z\u016fstane zubat\u00e1 d\u00edra a roztaven\u00e9 c\u00e1kance.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Nejedn\u00e1 se o sva\u0159ov\u00e1n\u00ed ty\u010d\u00ed nebo tavn\u00fdm j\u00e1drem. Tyto metody jsou agresivn\u00ed; mohou prop\u00e1lit vrstvu rzi a p\u0159esto vydr\u017e\u00ed. Bodov\u00e9 sva\u0159ov\u00e1n\u00ed nen\u00ed tak \u0161etrn\u00e9. Vy\u017eaduje dokonal\u00fd kontakt.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">P\u0159ed upnut\u00edm si na plechy vezm\u011bte brusku nebo smirkov\u00fd pap\u00edr. Odstra\u0148te v\u0161echny zbytky oleje, rzi nebo povlaku. Kov mus\u00ed vypadat jako zrcadlo. Pokud nen\u00ed hol\u00fd a leskl\u00fd, nen\u00ed p\u0159ipraven ke sva\u0159ov\u00e1n\u00ed.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Nyn\u00ed, kdy\u017e je kov p\u0159ipraven a stroj nastaven, m\u016f\u017eete za\u010d\u00edt lepit kov.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-how-the-process-works-step-by-step\"><span class=\"ez-toc-section\" id=\"How_the_Process_Works_Step-by-Step\"><\/span>Jak proces funguje (krok za krokem)<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<figure class=\"wp-block-image aligncenter size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"576\" src=\"https:\/\/shincofab.com\/wp-content\/uploads\/2026\/01\/spot-welding-process-1024x576.jpg\" alt=\"\" class=\"wp-image-4806\" srcset=\"https:\/\/shincofab.com\/wp-content\/uploads\/2026\/01\/spot-welding-process-1024x576.jpg 1024w, https:\/\/shincofab.com\/wp-content\/uploads\/2026\/01\/spot-welding-process-300x169.jpg 300w, https:\/\/shincofab.com\/wp-content\/uploads\/2026\/01\/spot-welding-process-768x432.jpg 768w, https:\/\/shincofab.com\/wp-content\/uploads\/2026\/01\/spot-welding-process-1536x864.jpg 1536w, https:\/\/shincofab.com\/wp-content\/uploads\/2026\/01\/spot-welding-process-18x10.jpg 18w, https:\/\/shincofab.com\/wp-content\/uploads\/2026\/01\/spot-welding-process.jpg 1920w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">Cyklus bodov\u00e9ho sva\u0159ov\u00e1n\u00ed je rychl\u00fd. V automatizovan\u00e9 tov\u00e1rn\u011b na automobily prob\u00edh\u00e1 rychleji, ne\u017e sta\u010d\u00edte mrknout. Ale i kdy\u017e to d\u011bl\u00e1te ru\u010dn\u011b ve sv\u00e9 gar\u00e1\u017ei, fyzik\u00e1ln\u00ed principy jsou naprosto stejn\u00e9.<br>Rozd\u011bluje se do \u010dty\u0159 r\u016fzn\u00fdch f\u00e1z\u00ed.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-1-squeeze-time\"><span class=\"ez-toc-section\" id=\"1_Squeeze_Time\"><\/span>1. \u010cas ma\u010dk\u00e1n\u00ed<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Je\u0161t\u011b ne\u017e stisknete vyp\u00edna\u010d, mus\u00edte jej sev\u0159\u00edt.<br>M\u011bd\u011bn\u00e9 elektrody (kle\u0161t\u011b) se p\u0159ikl\u00e1daj\u00ed k plech\u016fm. V t\u00e9to f\u00e1zi je <strong>neproud\u00ed elekt\u0159ina<\/strong>. Pou\u017e\u00edv\u00e1te pouze hrubou mechanickou s\u00edlu.<br>Tento tlak je z\u00e1sadn\u00ed. P\u0159itla\u010d\u00ed oba plechy t\u011bsn\u011b k sob\u011b a uzav\u0159e p\u0159\u00edpadn\u00e9 mezery. Pokud se pokus\u00edte spustit proud p\u0159ed nastaven\u00edm tlaku, dojde k oblouku, jiskr\u00e1m a prop\u00e1len\u00ed d\u00edry v projektu.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-2-weld-time\"><span class=\"ez-toc-section\" id=\"2_Weld_Time\"><\/span>2. Doba sva\u0159ov\u00e1n\u00ed<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Toto je hlavn\u00ed ud\u00e1lost.<br>Jakmile se tlak ust\u00e1l\u00ed, stroj vy\u0161le do hrot\u016f vysok\u00fd elektrick\u00fd proud. Ten obvykle trv\u00e1 zlomek sekundy.<br>Proto\u017ee kovov\u00e9 plechy odol\u00e1vaj\u00ed proud\u011bn\u00ed elekt\u0159iny, v m\u00edst\u011b jejich dotyku okam\u017eit\u011b vznik\u00e1 teplo. Tento skryt\u00fd \"samorost\" se roztav\u00ed na kapalinu. M\u011bd\u011bn\u00e9 hroty z\u016fstanou chladn\u00e9, ale ocel mezi nimi dos\u00e1hne bodu t\u00e1n\u00ed.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-3-hold-time\"><span class=\"ez-toc-section\" id=\"3_Hold_Time\"><\/span>3. Doba podr\u017een\u00ed<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Na tento krok v\u011bt\u0161ina za\u010d\u00e1te\u010dn\u00edk\u016f zapom\u00edn\u00e1.<br>Po zastaven\u00ed elektrick\u00e9ho proudu, <strong>mus\u00edte ma\u010dkat d\u00e1l.<\/strong><br>Sva\u0159enec je st\u00e1le hork\u00fd. Pokud nyn\u00ed uvoln\u00edte tlak, spoj se otev\u0159e a sel\u017ee. Pokud tlak podr\u017e\u00edte o vte\u0159inu d\u00e9le, nech\u00e1te samorost vychladnout a ztuhnout. Tlak funguje jako svorka, zat\u00edmco \"lepidlo\" schne.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-4-release\"><span class=\"ez-toc-section\" id=\"4_Release\"><\/span>4. Uvoln\u011bn\u00ed<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Nyn\u00ed se m\u016f\u017eete pustit.<br>Kov vychladl natolik, \u017ee dr\u017e\u00ed sv\u016fj tvar. Otev\u0159ete kle\u0161t\u011b, uvoln\u011bte tlak a p\u0159esu\u0148te obrobek na dal\u0161\u00ed m\u00edsto.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Postup jste dokon\u010dili, ale jak zjist\u00edte, zda svar skute\u010dn\u011b vydr\u017eel? Mus\u00edte ho vyzkou\u0161et.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-how-to-know-your-weld-is-strong-peel-test\"><span class=\"ez-toc-section\" id=\"How_to_Know_Your_Weld_is_Strong%EF%BC%88Peel_Test\"><\/span>Jak zjistit, zda je v\u00e1\u0161 svar pevn\u00fd\uff08Zkou\u0161ka sv\u00e1ru)<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<figure class=\"wp-block-image aligncenter size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"576\" src=\"https:\/\/shincofab.com\/wp-content\/uploads\/2026\/01\/peel-test-1024x576.jpg\" alt=\"\" class=\"wp-image-4802\" srcset=\"https:\/\/shincofab.com\/wp-content\/uploads\/2026\/01\/peel-test-1024x576.jpg 1024w, https:\/\/shincofab.com\/wp-content\/uploads\/2026\/01\/peel-test-300x169.jpg 300w, https:\/\/shincofab.com\/wp-content\/uploads\/2026\/01\/peel-test-768x432.jpg 768w, https:\/\/shincofab.com\/wp-content\/uploads\/2026\/01\/peel-test-1536x864.jpg 1536w, https:\/\/shincofab.com\/wp-content\/uploads\/2026\/01\/peel-test-18x10.jpg 18w, https:\/\/shincofab.com\/wp-content\/uploads\/2026\/01\/peel-test.jpg 1920w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">V\u011bt\u0161ina pr\u016fmyslov\u00fdch p\u0159\u00edru\u010dek v\u00e1m doporu\u010d\u00ed kontrolovat svary pomoc\u00ed \"ultrazvukov\u00e9ho testov\u00e1n\u00ed\" nebo rentgenov\u00e9ho za\u0159\u00edzen\u00ed. To je pro kutila zbyte\u010dn\u00e1 rada. Na p\u0159\u00edjezdov\u00e9 cest\u011b nem\u00e1te rentgenov\u00fd p\u0159\u00edstroj.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Jak m\u016f\u017eete v\u011b\u0159it sv\u00e1ru, kter\u00fd nevid\u00edte? Mus\u00edte ho zni\u010dit.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">To se naz\u00fdv\u00e1 <strong><a href=\"https:\/\/www.iso.org\/standard\/82253.html\">Test odlupov\u00e1n\u00ed<\/a><\/strong>. Je to naprosto nejlep\u0161\u00ed zp\u016fsob, jak vyto\u010dit nastaven\u00ed stroje p\u0159edt\u00edm, ne\u017e se dotknete vlastn\u00edho projektu.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-how-to-do-it\"><span class=\"ez-toc-section\" id=\"How_to_Do_It\"><\/span>Jak na to<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<ol class=\"wp-block-list\">\n<li>Vezm\u011bte dva kusy kovov\u00e9ho \u0161rotu. Ujist\u011bte se, \u017ee maj\u00ed stejnou tlou\u0161\u0165ku jako projekt, kter\u00fd se chyst\u00e1te postavit.<\/li>\n\n\n\n<li>Sva\u0159te je k sob\u011b jedn\u00edm bodem.<\/li>\n\n\n\n<li>Nyn\u00ed je roztrhn\u011bte. Jednu \u010d\u00e1st dejte do sv\u011br\u00e1ku, druhou uchopte kle\u0161t\u011bmi a oloupejte ji jako slupku od ban\u00e1nu.<\/li>\n<\/ol>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-reading-the-results\"><span class=\"ez-toc-section\" id=\"Reading_the_Results\"><\/span>\u010cten\u00ed v\u00fdsledk\u016f<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Pokud se oba plechy ve spoji \u010dist\u011b rozpoj\u00ed, nepoda\u0159ilo se v\u00e1m to. Jedn\u00e1 se o \"studen\u00fd svar\". Znamen\u00e1 to, \u017ee se kov nespojil a \u017ee pot\u0159ebujete v\u011bt\u0161\u00ed s\u00edlu nebo del\u0161\u00ed \u010das.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Dokonal\u00fd svar pozn\u00e1te podle toho, \u017ee se kov skute\u010dn\u011b trh\u00e1.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Dobr\u00fd nuget je pevn\u011bj\u0161\u00ed ne\u017e plech, kter\u00fd ho obklopuje. Kdy\u017e plechy od sebe odlep\u00edte, nem\u011bl by se sv\u00e1r poru\u0161it. M\u00edsto toho by se m\u011bla ocel roztrhnout. Chcete vid\u011bt, jak se z jednoho plechu vytrhne d\u00edra a na druh\u00e9m z\u016fstane p\u0159ilepen\u00fd kovov\u00fd \"knofl\u00edk\".<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Pokud se v\u00e1m \"tla\u010d\u00edtko\" nezobrazilo nebo pokud se sv\u00e1r okam\u017eit\u011b rozpadl, nem\u011bjte obavy. Zde je n\u00e1vod, jak to opravit.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-common-beginner-mistakes\"><span class=\"ez-toc-section\" id=\"Common_Beginner_Mistakes\"><\/span>Nej\u010dast\u011bj\u0161\u00ed chyby za\u010d\u00e1te\u010dn\u00edk\u016f<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Ka\u017ed\u00fd za\u010d\u00e1te\u010dn\u00edk zni\u010d\u00ed n\u011bkolik kus\u016f kovu. Je to sou\u010d\u00e1st u\u010debn\u00ed k\u0159ivky. Pokud se v\u00e1m prvn\u00edch p\u00e1r svar\u016f nepovede, nepanika\u0159te. Obvykle se jedn\u00e1 o to, co se pokazilo.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-weak-or-cold-welds\"><span class=\"ez-toc-section\" id=\"Weak_or_%E2%80%9CCold%E2%80%9D_Welds\"><\/span>Slab\u00e9 nebo \"studen\u00e9\" svary<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Jedn\u00e1 se o nej\u010dast\u011bj\u0161\u00ed probl\u00e9m. Svar vypad\u00e1 zven\u010d\u00ed v po\u0159\u00e1dku, ale plechy se od sebe t\u00e9m\u011b\u0159 bez n\u00e1mahy odtrhnou. Obvykle jste nem\u011bli dostate\u010dnou startovac\u00ed s\u00edlu. Nastaven\u00ed bylo p\u0159\u00edli\u0161 n\u00edzk\u00e9 na to, aby se nuget roztavil.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Probl\u00e9m m\u016f\u017ee b\u00fdt p\u0159ekvapiv\u011b tak\u00e9 <strong>p\u0159\u00edli\u0161 velk\u00fd tlak<\/strong>. Zn\u00ed to obr\u00e1cen\u011b, ale pokud stisknete p\u0159\u00edli\u0161 siln\u011b, sn\u00ed\u017e\u00edte elektrick\u00fd odpor. Ni\u017e\u0161\u00ed odpor znamen\u00e1 m\u00e9n\u011b tepla. Pokud na kle\u0161t\u011b opravdu tla\u010d\u00edte a m\u00e1te slab\u00e9 sv\u00e1ry, zkuste tlak m\u00edrn\u011b sn\u00ed\u017eit.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-blowing-holes-in-the-metal\"><span class=\"ez-toc-section\" id=\"Blowing_Holes_in_the_Metal\"><\/span>Vyfukov\u00e1n\u00ed otvor\u016f v kovu<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">To je opa\u010dn\u00fd probl\u00e9m. Stisknete spou\u0161\u0165, usly\u0161\u00edte hlasit\u00e9 <em>POP<\/em>a uvid\u00edte d\u00edru v m\u00edst\u011b, kde b\u00fdval kov.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Uva\u0159il jsi ho.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Pravd\u011bpodobn\u011b jste p\u0159\u00edli\u0161 dlouho dr\u017eeli spou\u0161\u0165 stisknutou. Kov se tak zah\u0159\u00e1l, \u017ee z n\u011bj odkap\u00e1valo. M\u016f\u017ee se to tak\u00e9 st\u00e1t, pokud m\u00e1te \u0161patn\u011b nastaven\u00e9 elektrody nebo sed\u00ed p\u0159\u00edmo na okraji plechu. Proud se soust\u0159ed\u00ed na okraj a vyfoukne ho.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-the-edge-blowout\"><span class=\"ez-toc-section\" id=\"The_%E2%80%9CEdge_Blowout%E2%80%9D\"><\/span>\"Hrana Blowout\"<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Kdy\u017e opravujete panel, je l\u00e1kav\u00e9 um\u00edstit sv\u00e1r p\u0159\u00edmo na okraj \u0161vu. Ned\u011blejte to.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Zni\u010dil jsem p\u0159i tom dokonale dobr\u00e9 blatn\u00edky. Pokud je elektroda p\u0159\u00edli\u0161 bl\u00edzko okraje (men\u0161\u00ed ne\u017e pr\u016fm\u011br sv\u00e1ru), kapaln\u00fd kov se nem\u00e1 kde udr\u017eet. Vyst\u0159\u00edkne ze strany jako \u017eelatinov\u00e1 kobliha a zanech\u00e1 nep\u011bkn\u00fd z\u00e1\u0159ez, kter\u00fd budete muset pozd\u011bji vyplnit. Kolem m\u00edsta svaru v\u017edy nechte alespo\u0148 1\/4 palce kovu.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-too-much-splatter\"><span class=\"ez-toc-section\" id=\"Too_Much_Splatter\"><\/span>P\u0159\u00edli\u0161 mnoho st\u0159\u00edkanc\u016f<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Bodov\u00e9 sva\u0159ov\u00e1n\u00ed by m\u011blo b\u00fdt pom\u011brn\u011b \u010dist\u00e9. Pokud to zn\u00ed jako petarda a jiskry l\u00e9taj\u00ed po gar\u00e1\u017ei, je n\u011bco \u0161patn\u011b.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Zkontrolujte povrchy. Rez, barva a olej jsou nep\u0159\u00e1teli dobr\u00e9ho svaru. Zp\u016fsobuj\u00ed prudk\u00fd elektrick\u00fd oblouk.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Zkontrolujte tak\u00e9 mezery. Pokud se oba plechy nedot\u00fdkaj\u00ed dokonale rovn\u011b, mus\u00ed elekt\u0159ina \"p\u0159esko\u010dit\" p\u0159es vzduchovou mezeru. Tento skok zp\u016fsob\u00ed v\u00fdbuch roztaven\u00e9ho kovu.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-frequently-asked-questions\"><span class=\"ez-toc-section\" id=\"Frequently_Asked_Questions\"><\/span>\u010casto kladen\u00e9 ot\u00e1zky<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-do-i-need-a-welding-helmet-for-spot-welding\"><span class=\"ez-toc-section\" id=\"Do_I_need_a_welding_helmet_for_spot_welding\"><\/span>Pot\u0159ebuji pro bodov\u00e9 sva\u0159ov\u00e1n\u00ed sv\u00e1\u0159e\u010dskou p\u0159ilbu?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Ne.<\/strong> Na rozd\u00edl od sva\u0159ov\u00e1n\u00ed metodou MIG nebo TIG nevytv\u00e1\u0159\u00ed bodov\u00e9 sva\u0159ov\u00e1n\u00ed oslepuj\u00edc\u00ed UV oblouk, kter\u00fd by v\u00e1s pop\u00e1lil (tzv. \"bleskov\u00e9 pop\u00e1len\u00ed\"). Vyr\u00e1\u017e\u00ed v\u0161ak \u017ehav\u00e9 jiskry. Nepot\u0159ebujete zatem\u0148ovac\u00ed p\u0159ilbu, ale mus\u00edte <strong>bezpodm\u00edne\u010dn\u011b mus\u00ed nosit \u010dir\u00e9 <a href=\"https:\/\/multimedia.3m.com\/mws\/media\/944896O\/eye-protection-product-line-card-usac.pdf\">ochrann\u00e9 br\u00fdle<\/a><\/strong> a t\u011b\u017ek\u00e9 ko\u017een\u00e9 rukavice.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-how-thick-of-metal-can-i-weld\"><span class=\"ez-toc-section\" id=\"How_thick_of_metal_can_I_weld\"><\/span>Jak siln\u00fd kov mohu sva\u0159ovat?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">To z\u00e1vis\u00ed na va\u0161em za\u0159\u00edzen\u00ed, ale ru\u010dn\u00ed jednotky maj\u00ed sv\u00e9 limity. Standardn\u00ed ru\u010dn\u00ed sv\u00e1\u0159e\u010dka na 110 V nebo 220 V obvykle zvl\u00e1dne dva listy pap\u00edru. <strong>Ocel o s\u00edle 16 a\u017e 20 mm<\/strong> (asi 1\/8 palce kombinovan\u00e9 tlou\u0161\u0165ky). Pokud se pokus\u00edte sva\u0159ovat siln\u00e9 nosn\u00edky z konstruk\u010dn\u00ed oceli, nedos\u00e1hnete dostate\u010dn\u00e9ho tepla pro vytvo\u0159en\u00ed samorostu.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-can-i-spot-weld-without-cleaning-the-metal\"><span class=\"ez-toc-section\" id=\"Can_I_spot_weld_without_cleaning_the_metal\"><\/span>Mohu bodov\u011b sva\u0159ovat bez \u010di\u0161t\u011bn\u00ed kovu?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Ne.<\/strong> To je hlavn\u00ed d\u016fvod ne\u00fasp\u011bchu za\u010d\u00e1te\u010dn\u00edk\u016f. Elekt\u0159ina nem\u016f\u017ee proch\u00e1zet skrz rez, barvu nebo ml\u00fdnsk\u00e9 kameny. Pokud kov neobrous\u00edte a\u017e na holou, lesklou ocel, bude stroj prskat, praskat nebo prost\u011b neud\u011bl\u00e1 nic.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-is-spot-welding-strong-enough-for-structural-repairs\"><span class=\"ez-toc-section\" id=\"Is_spot_welding_strong_enough_for_structural_repairs\"><\/span>Je bodov\u00e9 sva\u0159ov\u00e1n\u00ed dostate\u010dn\u011b siln\u00e9 pro opravy konstrukc\u00ed?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">V tov\u00e1rn\u011b ano - auta dr\u017e\u00ed pohromad\u011b tis\u00edce bodov\u00fdch svar\u016f. Ale pro kutily s ru\u010dn\u00ed jednotkou? <strong>Bu\u010fte opatrn\u00ed.<\/strong> Je ide\u00e1ln\u00ed pro panely karoserie, v\u00fdvody baterie a plechov\u00e9 skiny. Pro sva\u0159ov\u00e1n\u00ed t\u011b\u017ek\u00fdch nosn\u00fdch r\u00e1m\u016f nebo valn\u00edkov\u00fdch klec\u00ed se dr\u017ete metod MIG nebo TIG, abyste dos\u00e1hli maxim\u00e1ln\u00ed penetrace a bezpe\u010dnosti.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-why-are-my-tips-turning-black\"><span class=\"ez-toc-section\" id=\"Why_are_my_tips_turning_black\"><\/span>Pro\u010d mi \u010dernaj\u00ed \u0161pi\u010dky?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Obvykle se jedn\u00e1 o kontaminaci. Pokud sva\u0159ujete na zne\u010di\u0161t\u011bn\u00e9m kovu nebo pozinkovan\u00e9 oceli, vytvo\u0159\u00ed se na m\u011bd\u011bn\u00fdch hrotech vrstva ne\u010distot. T\u00edm se zni\u010d\u00ed jejich vodivost. Abyste udr\u017eeli m\u011bd\u011bn\u00e9 hroty leskl\u00e9 a vodiv\u00e9, mus\u00edte je pravideln\u011b upravovat (\u010distit) piln\u00edkem nebo smirkov\u00fdm pap\u00edrem.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-conclusion\"><span class=\"ez-toc-section\" id=\"Conclusion\"><\/span>Z\u00e1v\u011br<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">A\u0165 u\u017e renovujete klasick\u00fd Mustang nebo stav\u00edte vlastn\u00ed kryt baterie, nezapome\u0148te, \u017ee \u00fasp\u011b\u0161n\u00e9 bodov\u00e9 sva\u0159ov\u00e1n\u00ed je 80% p\u0159\u00edprava a 20% stisknut\u00ed spou\u0161t\u011b. Nenechte se odradit n\u011bkolika prvn\u00edmi vyfouknut\u00fdmi d\u00edrami. Jakmile si osvoj\u00edte rytmus \u010dist\u00e9ho kovu, spr\u00e1vn\u00e9ho zarovn\u00e1n\u00ed a st\u00e1l\u00e9ho tlaku, zjist\u00edte, \u017ee se jedn\u00e1 o jeden z nejuspokojiv\u011bj\u0161\u00edch n\u00e1stroj\u016f ve va\u0161\u00ed d\u00edln\u011b.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Mo\u017enosti ru\u010dn\u00ed jednotky jsou v\u0161ak fyzicky omezen\u00e9. Jak jsme ji\u017e \u0159ekli, ru\u010dn\u00ed bodov\u00e9 sva\u0159ov\u00e1n\u00ed je ide\u00e1ln\u00ed pro opravy a prototypy, ale nehod\u00ed se pro m\u011b\u0159\u00edtko. Pokud se pod\u00edv\u00e1te na sv\u016fj n\u00e1vrh a uv\u011bdom\u00edte si, \u017ee pot\u0159ebujete vyrobit 500 nebo 5 000 stejn\u00fdch d\u00edl\u016f, va\u0161e ruka - a va\u0161e jisti\u010dov\u00e1 sk\u0159\u00ed\u0148 - pravd\u011bpodobn\u011b vypov\u00ed slu\u017ebu d\u0159\u00edve, ne\u017e bude pr\u00e1ce hotov\u00e1.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Kdy\u017e projekt p\u0159eroste r\u00e1mec gar\u00e1\u017ee a vy\u017eaduje pr\u016fmyslovou p\u0159esnost, p\u0159ich\u00e1z\u00ed na \u0159adu profesion\u00e1ln\u00ed v\u00fdroba. Na adrese <strong><a href=\"https:\/\/shincofab.com\/cs\/\">ShincoFab<\/a><\/strong>, se s\u00eddlem ve v\u00fdrobn\u00edm centru Dongguan v \u010c\u00edn\u011b, podporujeme glob\u00e1ln\u00ed klienty, kte\u0159\u00ed pot\u0159ebuj\u00ed p\u0159ej\u00edt od prototypu k s\u00e9riov\u00e9 v\u00fdrob\u011b. Vyu\u017e\u00edv\u00e1me takov\u00e9 automatizovan\u00e9 stacion\u00e1rn\u00ed sva\u0159ovac\u00ed syst\u00e9my s vysok\u00fdm v\u00fdkonem, kter\u00e9 zaji\u0161\u0165uj\u00ed, \u017ee ka\u017ed\u00fd jednotliv\u00fd spoj projde z\u00e1t\u011b\u017eovou zkou\u0161kou - abyste je nemuseli sami od sebe odlepovat.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Prozat\u00edm si vezm\u011bte ml\u00fdnek, vy\u010dist\u011bte prost\u011bradla a za\u010dn\u011bte tr\u00e9novat. Ale a\u017e budete p\u0159ipraveni prom\u011bnit jednor\u00e1zov\u00fd projekt v plnou s\u00e9riovou v\u00fdrobu, jsme tu my, abychom se postarali o t\u011b\u017ekou pr\u00e1ci.<\/p>","protected":false},"excerpt":{"rendered":"<p>Sick of blowing holes in thin sheet metal with your MIG welder? I\u2019ve been there. I spent three weekends trying to patch a floor pan on a \u201865 Mustang, chasing burn-throughs with my MIG torch until I wanted to scream. After years of fabricating panels, I learned that sometimes the best tool wasn&#8217;t an arc [&hellip;]<\/p>\n","protected":false},"author":3,"featured_media":4794,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"disabled","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"set","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"categories":[1],"tags":[],"class_list":["post-4792","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-uncategorized"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v27.6.1 (Yoast SEO v28.0) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>Spot Welding 101: Machine Setup &amp; How to Get Strong Welds<\/title>\n<meta name=\"description\" content=\"Spot Welding 101: A jargon-free guide to joining sheet metal. 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