{"id":2157,"date":"2026-01-12T08:00:00","date_gmt":"2026-01-12T06:00:00","guid":{"rendered":"https:\/\/pro-cut.pl\/?p=2157"},"modified":"2026-05-31T14:40:15","modified_gmt":"2026-05-31T12:40:15","slug":"cim-rezat-penovy-polystyren","status":"publish","type":"post","link":"https:\/\/pro-cut.pl\/sk\/cim-rezat-penovy-polystyren\/","title":{"rendered":"\u010c\u00edm reza\u0165 penov\u00fd polystyr\u00e9n? Kompletn\u00fd sprievodca n\u00e1strojmi a met\u00f3dami rezania"},"content":{"rendered":"<p class=\"wp-block-paragraph\"><strong>Polystyr\u00e9n sa najlep\u0161ie re\u017ee termick\u00fdm no\u017eom (min. 150 W, 350\u2013450 \u00b0C) \u2013 bez prachu, s hladk\u00fdmi hranami, s mo\u017enos\u0165ou rezania obl\u00fakov a pod uhlom. Na s\u00e9riov\u00fa v\u00fdrobu zvo\u013ete gilot\u00ednu s oporn\u00fdm dr\u00f4tom: 10 m\u00b2 dosiek za 30 min\u00fat s presnos\u0165ou \u00b11 mm. Be\u017en\u00fd ru\u010dn\u00fd n\u00f4\u017e posta\u010d\u00ed pri pr\u00edle\u017eitostn\u00fdch pr\u00e1cach do 5 m\u00b2 a dosk\u00e1ch EPS s hr\u00fabkou do 15 cm. Ni\u017e\u0161ie n\u00e1jdete kompletn\u00e9 porovnanie met\u00f3d, n\u00e1kupn\u00fdch a prev\u00e1dzkov\u00fdch n\u00e1kladov, ako aj konkr\u00e9tne parametre pre v\u00fdber n\u00e1radia.<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Spr\u00e1vna tepeln\u00e1 izol\u00e1cia budovy z\u00e1vis\u00ed nielen od kvality polystyr\u00e9nu EPS alebo XPS, ale aj od presnosti jeho spracovania. Nerovn\u00e9 hrany vytv\u00e1raj\u00fa medzery, ktor\u00e9 ved\u00fa k tepeln\u00fdm mostom a strat\u00e1m tepla. Nevhodn\u00e9 n\u00e1radie sp\u00f4sobuje vznik odpadov\u00e9ho materi\u00e1lu a\u017e do 15%, rozdrvenie dosiek a nerovn\u00e9 spoje. V tomto sprievodcovi rozoberieme v\u0161etky dostupn\u00e9 met\u00f3dy rezania \u2013 od ru\u010dn\u00fdch no\u017eov cez termick\u00e9 no\u017ee a\u017e po profesion\u00e1lne stacion\u00e1rne gilot\u00edny s odporov\u00fdm dr\u00f4tom.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Porovnanie met\u00f3d rezania polystyr\u00e9nu \u2013 r\u00fdchly v\u00fdber<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Na rezanie polystyr\u00e9nu m\u00e1\u0161 k dispoz\u00edcii 5 n\u00e1strojov. Nasleduj\u00faca tabu\u013eka ti pom\u00f4\u017ee vybra\u0165 si za 30 sek\u00fand:<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th class=\"has-text-align-left\" data-align=\"left\">Sp\u00f4sob rezania<\/th><th class=\"has-text-align-left\" data-align=\"left\">N\u00e1klady na n\u00e1kup<\/th><th class=\"has-text-align-left\" data-align=\"left\">Prev\u00e1dzkov\u00e9 n\u00e1klady \/ rok<\/th><th class=\"has-text-align-left\" data-align=\"left\">V\u00fdkonnos\u0165 10 m\u00b2<\/th><th class=\"has-text-align-left\" data-align=\"left\">Aplik\u00e1cia<\/th><\/tr><\/thead><tbody><tr><td>Ru\u010dn\u00fd n\u00f4\u017e<\/td><td>20\u201350 zlot\u00fdch<\/td><td>20\u201330 PLN (ostria)<\/td><td>2\u20133 hodiny<\/td><td>Ob\u010dasn\u00e9 dom\u00e1ce pr\u00e1ce, EPS do 15 cm<\/td><\/tr><tr><td>Tepeln\u00fd n\u00f4\u017e<\/td><td>300 \u2013 1 500 PLN<\/td><td>50\u2013150 PLN (energia, no\u017ee)<\/td><td>1\u20131,5 hodiny<\/td><td>Presn\u00e9 tvary, obl\u00faky, rezy na le\u0161en\u00ed<\/td><\/tr><tr><td>Ru\u010dn\u00fd rezac\u00ed stroj s dr\u00f4tom<\/td><td>200\u2013500 PLN<\/td><td>100\u2013200 PLN (dr\u00f4t, energia)<\/td><td>~1 h<\/td><td>Stredne projekty, mobilita<\/td><\/tr><tr><td>Stacion\u00e1rna gilot\u00edna<\/td><td>800 \u2013 3 500 zlot\u00fdch<\/td><td>100\u2013600 zlot\u00fdch (dr\u00f4t, energia, servis)<\/td><td>30\u201345 min<\/td><td>Profesion\u00e1lne fas\u00e1dne pr\u00e1ce, s\u00e9ria identick\u00fdch dosiek<\/td><\/tr><tr><td>Rezac\u00ed stroj CNC<\/td><td>5 000+ PLN<\/td><td>1 000+ PLN (servis, materi\u00e1l)<\/td><td>nieko\u013eko min\u00fat<\/td><td>Priemyseln\u00e1 v\u00fdroba, 3D tvary<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">Pre\u010do z\u00e1le\u017e\u00ed na spr\u00e1vnom strihu?<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Presn\u00e9 rezanie polystyr\u00e9nu EPS (expandovan\u00e9ho polystyr\u00e9nu) a styroduru XPS je z\u00e1kladom \u00fa\u010dinnej tepelnej izol\u00e1cie \u2013 nerovn\u00e9 okraje vytv\u00e1raj\u00fa medzery a tepeln\u00e9 mosty, ktor\u00e9 zvy\u0161uj\u00fa tepeln\u00e9 straty cez kon\u0161trukciu. Nespr\u00e1vne rezanie vedie k rozdrveniu dosiek, vzniku nerovn\u00fdch hr\u00e1n a zna\u010dn\u00fdm strat\u00e1m materi\u00e1lu.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Vo\u013eba met\u00f3dy z\u00e1vis\u00ed od troch parametrov:&nbsp;<strong>hr\u00fabka dosky<\/strong>&nbsp;(do 15 cm \u2013 n\u00f4\u017e, nad t\u00fato hranicu \u2013 tepelne alebo dr\u00f4t),&nbsp;<strong>rozsah pr\u00e1c<\/strong>&nbsp;(m\u00b2) a&nbsp;<strong>po\u017eadovanej presnosti<\/strong>&nbsp;(dekora\u010dn\u00e9 pr\u00e1ce, okenn\u00e9 z\u00e1rubne, stup\u0148ovit\u00e9 rezy eliminuj\u00face tepeln\u00e9 mosty).<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Ako pripravi\u0165 pracovisko na rezanie polystyr\u00e9nu?<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Pred rezan\u00edm polo\u017ete dosku na stabiln\u00fd, rovn\u00fd povrch a vyzna\u010dte l\u00edniu uhlomerom \u2013 90%. Chyby pri rezan\u00ed s\u00fa sp\u00f4soben\u00e9 nestabiln\u00fdm podkladom alebo nepresn\u00fdm vyzna\u010den\u00edm, nie nekvalitn\u00fdm n\u00e1rad\u00edm.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Stabiln\u00fd podklad a upevnenie materi\u00e1lu<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Ako podlo\u017eku pou\u017eite dielensk\u00fd st\u00f4l, pracovn\u00fa dosku alebo kus preglejky polo\u017een\u00fd na dvoch podper\u00e1ch. Polystyr\u00e9nov\u00e1 doska sa nesmie po\u010das rezania pos\u00fava\u0165 \u2013 pritla\u010dte ju stol\u00e1rskymi svorkami alebo ju pevne pridr\u017ete rukou za okraj. Pohybliv\u00fd materi\u00e1l zaru\u010duje kriv\u00fd rez a straty materi\u00e1lu.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Ozna\u010denie l\u00ednie rezu \u2013 uhlomer a fixka<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Predt\u00fdm, ako prilo\u017e\u00edte \u010depe\u013e, presne zmerajte a ozna\u010dte l\u00edniu rezu. Na nakreslenie priamej l\u00ednie pou\u017eite hlin\u00edkov\u00fd uhlomer (min. 60 cm) a tes\u00e1rsku ceruzku alebo fixku. Na tmav\u0161om grafitovom polystyr\u00e9ne vytv\u00e1ra fixka v\u00fdraznej\u0161iu \u010diaru. Pri \u0161ikm\u00fdch rezoch pou\u017eite nastavite\u013en\u00fd uhlomer prilepen\u00fd p\u00e1skou k doske.&nbsp;<strong>Pravidlo: dvakr\u00e1t zmeraj, raz odre\u017e.<\/strong><\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Bezpe\u010dnos\u0165 a ochrana zdravia pri pr\u00e1ci \u2013 ochrann\u00e9 oble\u010denie a vetranie<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Polystyr\u00e9n sa drv\u00ed a pr\u0161\u00ed. Pred za\u010dat\u00edm pr\u00e1ce si oble\u010dte:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>R\u00fa\u0161ka FFP2<\/strong>\u00a0\u2013 nie papierov\u00e1 \u2013 najm\u00e4 pri rezan\u00ed p\u00edlou alebo pri pr\u00e1ci s materi\u00e1lmi obsahuj\u00facimi grafit alebo PIR penu (pri tepelnom rezan\u00ed m\u00f4\u017eu vznika\u0165 \u0161kodliv\u00e9 v\u00fdpary)<\/li>\n\n\n\n<li><strong>Ochrann\u00e9 okuliare<\/strong>\u00a0\u2013 pri ru\u010dnom a mechanickom rezan\u00ed<\/li>\n\n\n\n<li><strong>Rukavice odoln\u00e9 vo\u010di vysok\u00fdm teplot\u00e1m<\/strong>\u00a0\u2013 pri termick\u00fdch no\u017eoch a zariadeniach s odporov\u00fdm dr\u00f4tom (teplota \u010depele a dr\u00f4tu: 300\u2013450 \u00b0C)<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Pracujte na dobre vetranom mieste alebo vonku. Elektrick\u00e9 zariadenia na rezanie polystyr\u00e9nu maj\u00fa zvy\u010dajne triedu krytia&nbsp;<strong>IP44<\/strong>, \u010do umo\u017e\u0148uje pr\u00e1cu pri slabom da\u017edi, av\u0161ak pri silnom da\u017edi je nutn\u00e9 pr\u00e1cu bezpodmiene\u010dne preru\u0161i\u0165. V\u010faka integrovan\u00fdm meradl\u00e1m a uhlov\u00fdm aret\u00e1ci\u00e1m eliminuje t\u00e1to gilot\u00edna potrebu zaka\u017ed\u00fdm vyzna\u010dova\u0165 dosky ceruzkou, \u010do skracuje \u010das pr\u00edpravy materi\u00e1lu o polovicu<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img fetchpriority=\"high\" decoding=\"async\" width=\"1024\" height=\"420\" src=\"https:\/\/pro-cut.pl\/wp-content\/uploads\/2025\/08\/ciecie-styropianu-gilotyna-do-styropianu-1-1024x420.jpg\" alt=\"\" class=\"wp-image-2159\" title=\"\" srcset=\"https:\/\/pro-cut.pl\/wp-content\/uploads\/2025\/08\/ciecie-styropianu-gilotyna-do-styropianu-1-1024x420.jpg 1024w, https:\/\/pro-cut.pl\/wp-content\/uploads\/2025\/08\/ciecie-styropianu-gilotyna-do-styropianu-1-300x123.jpg 300w, https:\/\/pro-cut.pl\/wp-content\/uploads\/2025\/08\/ciecie-styropianu-gilotyna-do-styropianu-1-768x315.jpg 768w, https:\/\/pro-cut.pl\/wp-content\/uploads\/2025\/08\/ciecie-styropianu-gilotyna-do-styropianu-1-1200x492.jpg 1200w, https:\/\/pro-cut.pl\/wp-content\/uploads\/2025\/08\/ciecie-styropianu-gilotyna-do-styropianu-1-150x61.jpg 150w, https:\/\/pro-cut.pl\/wp-content\/uploads\/2025\/08\/ciecie-styropianu-gilotyna-do-styropianu-1.jpg 1464w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<h4 class=\"wp-block-heading\">Tradi\u010dn\u00e9 met\u00f3dy rezania polystyr\u00e9nu \u2013 kedy a ako ich pou\u017e\u00edva\u0165?<\/h4>\n\n\n\n<h3 class=\"wp-block-heading\">N\u00f4\u017e na polystyr\u00e9n \u2013 n\u00e1radie pre dom\u00e1ceho majstra<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Za 50 zlot\u00fdch si m\u00f4\u017eete k\u00fapi\u0165 ru\u010dn\u00fd n\u00f4\u017e, ktor\u00fd posta\u010d\u00ed na pr\u00edle\u017eitostn\u00e9 pr\u00e1ce do 5 m\u00b2 a rezanie dosiek z EPS (expandovan\u00e9ho polystyr\u00e9nu) s hr\u00fabkou do 15 cm \u2013 ide o najlacnej\u0161ie a najdostupnej\u0161ie rie\u0161enie. N\u00f4\u017e s dlh\u00fdm, hladk\u00fdm ostr\u00edm (20\u201340 cm) zaru\u010duje pomerne \u010dist\u00e9 rezy, ak n\u00edm vediete jedn\u00fdm plynul\u00fdm pohybom bez trhnutia.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Z\u00e1kladn\u00e9 pravidlo: \u010depe\u013e mus\u00ed by\u0165 ostr\u00e1. Tup\u00e1 \u010depe\u013e roztrh\u00e1 \u0161trukt\u00faru polystyr\u00e9nu namiesto toho, aby ho prerezala.&nbsp;<strong>Pri dosk\u00e1ch hrub\u0161\u00edch ako 15 cm rezajte v dvoch krokoch \u2013 z oboch str\u00e1n dosky.<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">V\u00fdhody ru\u010dn\u00e9ho no\u017ea: n\u00edzka cena, \u013eahk\u00e1 dostupnos\u0165, mo\u017enos\u0165 v\u00fdmeny \u010depele. Nev\u00fdhoda: obmedzen\u00e1 v\u00fdkonnos\u0165 pri v\u00e4\u010d\u0161\u00edch projektoch a riziko vzniku prachu pri pr\u00edli\u0161 agres\u00edvnom veden\u00ed.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Ru\u010dn\u00e1 p\u00edla \u2013 iba v n\u00fadzov\u00fdch pr\u00edpadoch<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Ru\u010dnou p\u00edlou s jemn\u00fdmi zubami (12\u201315 zubov\/palec) m\u00f4\u017eete reza\u0165 polystyr\u00e9n len vtedy, ak nem\u00e1te po ruke \u017eiadne in\u00e9 n\u00e1radie \u2013 a len v takom pr\u00edpade. T\u00e1to met\u00f3da vytv\u00e1ra ve\u013ea drobn\u00fdch polystyr\u00e9nov\u00fdch guli\u010diek, ktor\u00e9 sa \u0165a\u017eko upratuj\u00fa, a pri hrub\u0161\u00edch dosk\u00e1ch nezaru\u010duje rovn\u00fd rez.&nbsp;<strong>Pri pr\u00e1ci s ru\u010dnou p\u00edlou na materi\u00e1li EPS vznik\u00e1 a\u017e 200 cm\u00b3 prachu na jeden rez \u2013 pou\u017e\u00edvajte masku FFP2 a priemyseln\u00fd vys\u00e1va\u010d.<\/strong><\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Tepeln\u00fd n\u00f4\u017e na polystyr\u00e9n \u2013 presnos\u0165 a mobilita<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Pomocou termick\u00e9ho no\u017ea (min. 150 W, 350\u2013450 \u00b0C) m\u00f4\u017eete reza\u0165 polystyr\u00e9nov\u00e9 dosky EPS a grafitov\u00e9 dosky s hr\u00fabkou a\u017e 20 cm bez prachu a otrepov \u2013 10 m\u00b2 spracujete za 1\u20131,5 hodiny. Elektrick\u00fd ohrievac\u00ed \u010dl\u00e1nok polystyr\u00e9n roztav\u00ed namiesto toho, aby ho mechanicky rezal, \u010do zaru\u010duje dokonale hladk\u00e9 hrany s charakteristickou stvrdnutou \u201eko\u017ekou\u201d.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Ako tepeln\u00fd n\u00f4\u017e funguje a kde sa pou\u017e\u00edva<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u010cepe\u013e sa zahreje na teplotu 350\u2013450 \u00b0C za 3\u20135 min\u00fat. LED kontrolka signalizuje pripravenos\u0165 na prev\u00e1dzku. Vysok\u00e1 teplota roztav\u00ed polystyr\u00e9n v mieste rezu, \u010d\u00edm sa prakticky eliminuj\u00fa ak\u00e9ko\u013evek odpady a umo\u017e\u0148uje presn\u00e9 vyrez\u00e1vanie aj zlo\u017eit\u00fdch tvarov.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Tepeln\u00fd n\u00f4\u017e je nenahradite\u013en\u00fd pri:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>rezanie dosiek s hr\u00fabkou do 20 cm<\/li>\n\n\n\n<li>pri vykon\u00e1van\u00ed \u0161ikm\u00fdch rezov a obl\u00fakov (napr. pri opracovan\u00ed osten\u00ed okien a dver\u00ed)<\/li>\n\n\n\n<li>v\u00fdrezov a dekorat\u00edvnych dr\u00e1\u017eok v polystyr\u00e9ne<\/li>\n\n\n\n<li>pr\u00e1ca na le\u0161en\u00ed a na \u0165a\u017eko pr\u00edstupn\u00fdch miestach<\/li>\n\n\n\n<li>rezanie grafitov\u00e9ho polystyr\u00e9nu a PIR penov\u00fdch materi\u00e1lov (pri zabezpe\u010den\u00ed dostato\u010dn\u00e9ho vetrania)<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">Parametre v\u00fdberu termick\u00e9ho no\u017ea<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>D\u013a\u017eka \u010depele<\/strong>&nbsp;mus\u00ed by\u0165 v\u00e4\u010d\u0161ia ako hr\u00fabka rezan\u00e9ho materi\u00e1lu \u2013 pre \u0161tandardn\u00e9 dosky EPS s hr\u00fabkou 15\u201320 cm posta\u010d\u00ed \u010depe\u013e s d\u013a\u017ekou 20\u201325 cm, pre \u0161peci\u00e1lne materi\u00e1ly s\u00fa k dispoz\u00edcii \u010depele s d\u013a\u017ekou a\u017e 40 cm.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Minim\u00e1lny v\u00fdkon: 150 W<\/strong>&nbsp;pre stabiln\u00fa prev\u00e1dzkov\u00fa teplotu. Modely s v\u00fdkonom 200\u2013250 W sa po dlh\u0161\u00edch rezoch r\u00fdchlej\u0161ie zahrievaj\u00fa. Regul\u00e1cia teploty (hoci nie je v\u017edy nevyhnutn\u00e1) umo\u017e\u0148uje prisp\u00f4sobi\u0165 parametre tvrdosti materi\u00e1lu a predl\u017euje \u017eivotnos\u0165 vykurovac\u00edch prvkov.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Z\u00e1kladn\u00e9 termick\u00e9 no\u017ee<\/strong>\u00a0(sada 1\u20132 \u010depie\u013eok, jednoduch\u00e9 nastavenie): 200\u2013400 PLN<\/li>\n\n\n\n<li><strong>Tepeln\u00e9 no\u017ee strednej triedy<\/strong>\u00a0(vy\u0161\u0161\u00ed v\u00fdkon, nieko\u013eko n\u00e1stavcov, nastavenie): 400\u20131 000 PLN<\/li>\n\n\n\n<li><strong>Profesion\u00e1lne termick\u00e9 no\u017ee<\/strong>\u00a0(kompletn\u00e1 sada no\u017eov, 200\u2013250 W, pokro\u010dil\u00e9 nastavenie, pr\u00edslu\u0161enstvo): 1 000\u20131 500 PLN a viac<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">Rez pod uhlom \u2013 technika<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Pri \u0161ikm\u00fdch rezoch (napr. opracovanie ostrohy, fazov\u00e9 rezy v rohoch) vediete termick\u00fd n\u00f4\u017e pozd\u013a\u017e uhlomera nastaven\u00e9ho na po\u017eadovan\u00fd uhol a pripevnen\u00e9ho p\u00e1skou k doske. Pri s\u00e9riov\u00fdch pr\u00e1cach pou\u017eite gilot\u00ednu s nastavite\u013en\u00fdm uhlov\u00fdm dorazom v rozsahu 0\u201390\u00b0.&nbsp;<strong>V\u017edy si pred prilo\u017een\u00edm \u010depele vyzna\u010dte l\u00edniu rezu \u2013 aj pri kr\u00e1tkych \u00fasekoch.<\/strong><\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Odporov\u00fd dr\u00f4t a gilot\u00edna \u2013 profesion\u00e1lna technol\u00f3gia<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Odporov\u00fd dr\u00f4t zahriaty na 300\u2013400 \u00b0C poskytuje najvy\u0161\u0161iu presnos\u0165 rezania zo v\u0161etk\u00fdch dostupn\u00fdch met\u00f3d \u2013 gilot\u00edna s odporov\u00fdm dr\u00f4tom umo\u017e\u0148uje rezanie dosiek s rozmermi 105\u2013130 cm \u00d7 25\u201335 cm s presnos\u0165ou \u00b11 mm a v\u00fdkonom 10 m\u00b2 za 30 min\u00fat.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Princ\u00edp fungovania odporov\u00e9ho dr\u00f4tu<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Odporov\u00fd dr\u00f4t vyroben\u00fd z odporov\u00e9ho materi\u00e1lu (kanthal, nichrom) sa zahrieva p\u00f4soben\u00edm elektrick\u00e9ho pr\u00fadu. Nap\u00e1jac\u00ed transform\u00e1tor dod\u00e1va nap\u00e4tie 24\u201340 V pri vysokom pr\u00fade, \u010d\u00edm sa dr\u00f4t zahreje na prev\u00e1dzkov\u00fa teplotu za 10\u201330 sek\u00fand.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Dostupn\u00e9 priemery dr\u00f4tu: od&nbsp;<strong>0,3 mm<\/strong>&nbsp;(presn\u00e9 dekorat\u00edvne pr\u00e1ce) do&nbsp;<strong>1,0 mm<\/strong>&nbsp;(n\u00e1ro\u010dn\u00e9 priemyseln\u00e9 pou\u017eitie, tvrd\u00fd XPS a PIR peny). Ten\u0161ie dr\u00f4ty umo\u017e\u0148uj\u00fa presnej\u0161ie rezy, s\u00fa v\u0161ak n\u00e1chylnej\u0161ie na prehorenie. D\u013a\u017eka dr\u00f4tu v zariadeniach: od nieko\u013ek\u00fdch desiatok centimetrov v ru\u010dn\u00fdch no\u017eoch a\u017e po nieko\u013eko metrov vo ve\u013ek\u00fdch priemyseln\u00fdch reza\u010dk\u00e1ch.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Ru\u010dn\u00e9 rezacie stroje s odporov\u00fdm dr\u00f4tom<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Ru\u010dn\u00e9 reza\u010dky s oporn\u00fdm dr\u00f4tom (200\u2013500 PLN) s\u00fa kompaktn\u00e9 r\u00e1my s napnut\u00fdm dr\u00f4tom \u2013 ide\u00e1lne na presn\u00e9 pr\u00e1ce, ktor\u00e9 vy\u017eaduj\u00fa mobilitu. D\u013a\u017eka rezu je obmedzen\u00e1 rozmerom r\u00e1mu (zvy\u010dajne 30\u201360 cm).<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Gilot\u00edny na polystyr\u00e9n \u2013 typy a pou\u017eitie<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Gilot\u00edna s odporov\u00fdm dr\u00f4tom re\u017ee polystyr\u00e9nov\u00e9 dosky s rozmermi a\u017e 130 \u00d7 30 cm r\u00fdchlo, jednoducho a bez prachu. V\u010faka integrovan\u00fdm meradl\u00e1m a uhlov\u00fdm aret\u00e1ci\u00e1m nie je potrebn\u00e9 ka\u017ed\u00fa dosku najprv ozna\u010dova\u0165, \u010do skracuje \u010das pr\u00edpravy materi\u00e1lu o polovicu.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Z\u00e1kladn\u00e9 gilot\u00edny (500\u2013800 PLN):<\/strong>\u00a0pre men\u0161ie t\u00edmy a pr\u00e1ce na rodinn\u00fdch domoch. Jednoduch\u00e1 kon\u0161trukcia, v\u00fdkon posta\u010duj\u00faci na \u0161tandardn\u00e9 pou\u017eitie EPS.<\/li>\n\n\n\n<li><strong>Gilot\u00edny strednej triedy (800\u20131 700 PLN):<\/strong>\u00a0vybavenie pre firmy, ktor\u00e9 sa pravidelne venuj\u00fa pr\u00e1cam na fas\u00e1dach. Pevnej\u0161\u00ed r\u00e1m, vy\u0161\u0161\u00ed v\u00fdkon, lep\u0161ie vodiace li\u0161ty \u2013 vy\u0161\u0161ia presnos\u0165 a kult\u00fara pr\u00e1ce.<\/li>\n\n\n\n<li><strong>Profesion\u00e1lne rezacie stroje (nad 1 700 PLN):<\/strong>\u00a0pre profesion\u00e1lov, ktor\u00ed klad\u00fa d\u00f4raz na v\u00fdkon a spo\u013eahlivos\u0165. Ve\u013emi pevn\u00e1 kon\u0161trukcia, vysok\u00fd v\u00fdkon (\u010dasto s chladen\u00fdm nap\u00e1jac\u00edm zdrojom 260 W), nepretr\u017eit\u00e1 prev\u00e1dzka za ak\u00fdchko\u013evek podmienok.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">Sp\u00e1janie a stup\u0148ovit\u00e9 rezy \u2013 elimin\u00e1cia tepeln\u00fdch mostov<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Jednou z najv\u00e4\u010d\u0161\u00edch v\u00fdhod profesion\u00e1lnych stacion\u00e1rnych rezac\u00edch strojov je mo\u017enos\u0165 vykon\u00e1va\u0165 stup\u0148ovit\u00e9 rezy (tzv. prekr\u00fdvanie). To umo\u017e\u0148uje sp\u00e1ja\u0165 polystyr\u00e9nov\u00e9 dosky \u201ena prekr\u00fdvanie\u201d \u2013 t\u00e1to met\u00f3da je naj\u00fa\u010dinnej\u0161ou technikou na elimin\u00e1ciu tepeln\u00fdch mostov v rohoch stien a pri okenn\u00fdch z\u00e1rubniach. Tepeln\u00fd most v rohu dosiek spojen\u00fdch \u201ena dosednutie\u201d m\u00f4\u017ee zv\u00fd\u0161i\u0165 miestny koeficient prestupu tepla a\u017e o 0,15 W\/(m\u00b7K).<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Ru\u010dn\u00e9 vyhotovenie falca be\u017en\u00fdm no\u017eom je mimoriadne n\u00e1ro\u010dn\u00e9 a \u010dasovo n\u00e1ro\u010dn\u00e9. Gilot\u00edna s obmedzova\u010dom h\u013abky umo\u017e\u0148uje s\u00e9riov\u00fa pr\u00edpravu identick\u00fdch prvkov za nieko\u013eko sek\u00fand \u2013 ka\u017ed\u00fd rez je opakovate\u013en\u00fd bez nutnosti op\u00e4tovn\u00e9ho merania.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">CNC rezacie stroje s odporov\u00fdm dr\u00f4tom<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Pomocou CNC reza\u010dky vyre\u017eete 3D architektonick\u00e9 prvky (r\u00edmsy, pilastre, rozety) pod\u013ea CAD s\u00faboru \u2013 presnos\u0165 a\u017e 0,1 mm, s\u00e9riov\u00e1 v\u00fdroba identick\u00fdch profilov bez \u00fanavy obsluhy. Ceny od 5 000 PLN; priemyseln\u00e9 vyu\u017eitie a v\u00fdroba dekorat\u00edvnych prvkov na z\u00e1kazku.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u00dadr\u017eba a prev\u00e1dzka odporov\u00e9ho dr\u00f4tu<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Odporov\u00fd dr\u00f4t vymie\u0148ajte ka\u017ed\u00fdch 10\u201320 hod\u00edn intenz\u00edvnej prev\u00e1dzky (n\u00e1klady 10\u201330 zlot\u00fdch za v\u00fdmenu) \u2013 pred\u013a\u017eite tak jeho \u017eivotnos\u0165, ak po ka\u017edom pracovnom dni odstr\u00e1nite usadeniny mosadznou kefkou.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">K prehoreniu dr\u00f4tu doch\u00e1dza zvy\u010dajne po nieko\u013ek\u00fdch hodin\u00e1ch intenz\u00edvnej prev\u00e1dzky alebo pri tepelnom pre\u0165a\u017een\u00ed. Pr\u00edznaky hroziaceho prehorenia: nerovnomern\u00e9 zahrievanie, miestne zmeny farby a zhor\u0161en\u00e1 kvalita rezu (trhanie). V\u00fdmenu vykon\u00e1vajte v\u017edy pri vypnutom a vychladnutom zariaden\u00ed.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Nov\u00fd dr\u00f4t mus\u00ed by\u0165 spr\u00e1vne napnut\u00fd: pr\u00edli\u0161 slab\u00e9 napnutie sp\u00f4sobuje vlnenie rezn\u00fdch l\u00edni\u00ed, nadmern\u00e9 napnutie zvy\u0161uje riziko prasknutia. Stla\u010den\u00fd vzduch alebo m\u00e4kk\u00e1 kefa (mosadzn\u00e1) s\u00fa najlep\u0161ie n\u00e1stroje na \u010distenie \u2013 odstr\u00e1\u0148te zvy\u0161ky roztaven\u00e9ho polystyr\u00e9nu, ktor\u00e9 zvy\u0161uj\u00fa elektrick\u00fd odpor a nar\u00fa\u0161aj\u00fa rovnomernos\u0165 ohrevu.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Stacion\u00e1rne gilot\u00edny \u2013 v\u00fdkonnos\u0165 a ergon\u00f3mia<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Gilot\u00edna s odporov\u00fdm dr\u00f4tom umo\u017e\u0148uje rezanie dosiek s rozmermi 105\u2013130 cm \u00d7 25\u201335 cm s presnos\u0165ou \u00b11 mm \u2013 parametre nastav\u00edte len raz a vyrob\u00edte s\u00e9riu identick\u00fdch dielov bez \u010fal\u0161ieho merania.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Kon\u0161trukcia a mo\u017enosti<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Zv\u00e1ran\u00e1 hlin\u00edkov\u00e1 alebo oce\u013eov\u00e1 kon\u0161trukcia zaru\u010duje stabilitu a presnos\u0165 aj po rokoch intenz\u00edvneho pou\u017e\u00edvania. Pokro\u010dil\u00e9 gilot\u00edny pon\u00fakaj\u00fa rezanie: priame, \u0161ikm\u00e9 (0\u201390\u00b0), stup\u0148ovit\u00e9 na spracovanie osten\u00ed a zr\u00e1\u017eanie hr\u00e1n. Presn\u00e9 vodiace li\u0161ty s lo\u017eiskami zabezpe\u010duj\u00fa plynul\u00fd pohyb rezacieho ramena \u2013 ka\u017ed\u00fd \u010fal\u0161\u00ed rez je identick\u00fd, bez nutnosti op\u00e4tovn\u00e9ho merania.&nbsp;<strong>V\u00fdkon transform\u00e1torov: od 150 W (z\u00e1kladn\u00e9 modely) do 260 W (pr\u00e9miov\u00e1 trieda) s vzduchov\u00fdm chladen\u00edm.<\/strong><\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Ergonomika a vybavenie<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Spr\u00e1vna v\u00fd\u0161ka pracovnej dosky: 85\u201390 cm od podlahy. Nastavite\u013en\u00e9 no\u017ei\u010dky umo\u017e\u0148uj\u00fa vyrovnanie zariadenia na nerovnom povrchu. Dodato\u010dn\u00e9 bo\u010dn\u00e9 opory podopieraj\u00fa ve\u013ek\u00e9 dosky po\u010das rezania; syst\u00e9my upevnenia na le\u0161enie umo\u017e\u0148uj\u00fa pr\u00e1cu vo v\u00fd\u0161ke. Trieda ochrany&nbsp;<strong>IP44<\/strong>&nbsp;\u2013 bezpe\u010dn\u00e1 pr\u00e1ca v stavebn\u00fdch podmienkach s vystaven\u00edm vlhkosti.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Prev\u00e1dzkov\u00e9 n\u00e1klady a n\u00e1kladov\u00e1 efekt\u00edvnos\u0165<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Reza\u010dka 200 W spotrebuje 0,2 kWh\/h \u2013 pri cene elektriny 1,15 z\u0142\/kWh to&nbsp;<strong>0,23 PLN\/h<\/strong>. Pri prev\u00e1dzke 4 hodiny denne predstavuj\u00fa ro\u010dn\u00e9 n\u00e1klady na energiu pribli\u017ene 200 PLN. V\u00fdmena odporov\u00e9ho dr\u00f4tu ka\u017ed\u00fdch 10\u201320 hod\u00edn znamen\u00e1 \u010fal\u0161\u00edch 10\u201330 PLN na jednu v\u00fdmenu.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>N\u00e1vratnos\u0165 invest\u00edcie do profesion\u00e1lnej gilot\u00edny<\/strong>&nbsp;k tomu zvy\u010dajne doch\u00e1dza po 6\u201312 mesiacoch intenz\u00edvneho pou\u017e\u00edvania. Rozdiel vo v\u00fdkonnosti medzi ru\u010dn\u00fdmi n\u00e1strojmi a gilot\u00ednami je 300\u2013500% v prospech stacion\u00e1rnych zariaden\u00ed \u2013 10 m\u00b2 za 30 min\u00fat oproti 2\u20133 hodin\u00e1m s ru\u010dn\u00fdm no\u017eom.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Rezanie \u0161peci\u00e1lnych materi\u00e1lov<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Pred v\u00fdberom n\u00e1stroja skontrolujte typ materi\u00e1lu \u2013 Styrodur XPS, peny PIR\/PUR a grafitov\u00fd polystyr\u00e9n vy\u017eaduj\u00fa in\u00e9 parametre rezania ako \u0161tandardn\u00fd EPS.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Ako reza\u0165 polystyr\u00e9n XPS<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Styrodur XPS (extrudovan\u00fd polystyr\u00e9n) m\u00e1 uzavret\u00fa bunkov\u00fa \u0161trukt\u00faru \u2013 je podstatne tvrd\u0161\u00ed a hustej\u0161\u00ed ako EPS. Ru\u010dn\u00e9 mechanick\u00e9 n\u00e1radie je pri hrub\u0161\u00edch dosk\u00e1ch XPS prakticky ne\u00fa\u010dinn\u00e9, \u010do vedie k praskaniu a l\u00e1mavosti materi\u00e1lu.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Styrodur XPS m\u00f4\u017eete reza\u0165 termick\u00fdm no\u017eom tak, \u017ee nastav\u00edte vy\u0161\u0161iu teplotu (400\u2013450 \u00b0C) a n\u00e1stroj budete vies\u0165 pomal\u0161ie ako v pr\u00edpade EPS. Najlep\u0161ie sa osved\u010duj\u00fa gilot\u00edny s odporov\u00fdm dr\u00f4tom \u2013 pri minim\u00e1lnom v\u00fdkone transform\u00e1tora 200 W a teplote dr\u00f4tu 350\u2013400 \u00b0C. D\u00f4le\u017eit\u00e9: Styrodur vy\u017eaduje v\u00e4\u010d\u0161iu rez\u00facu silu, \u010do pri pr\u00edli\u0161 tenkom priemere dr\u00f4tu ur\u00fdch\u013euje jeho prehorenie \u2013 pou\u017e\u00edvajte dr\u00f4t s priemerom 0,6\u20130,8 mm.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">PUR a PIR peny a kompozity<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Polyuret\u00e1nov\u00e9 (PUR) a polyizokyanur\u00e1tov\u00e9 (PIR) peny maj\u00fa vy\u0161\u0161iu teplotu topenia ako EPS \u2013 vy\u017eaduj\u00fa v\u00fdkonnej\u0161ie tepeln\u00e9 zariadenia.&nbsp;<strong>Upozornenie: Pri tepelnom rezan\u00ed materi\u00e1lov PIR\/PUR m\u00f4\u017eu vznika\u0165 \u0161kodliv\u00e9 v\u00fdpary izokyan\u00e1tu \u2013 pracujte v\u00fdlu\u010dne pri dobrom vetran\u00ed alebo vonku a s maskou FFP2.<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Vrstven\u00e9 materi\u00e1ly s hlin\u00edkov\u00fdmi povlakmi si vy\u017eaduj\u00fa hybridn\u00fd pr\u00edstup: tepeln\u00e9 rezanie izola\u010dnej vrstvy + mechanick\u00e9 rezanie kovov\u00e9ho povlaku.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Grafitov\u00fd polystyr\u00e9n - v\u00fdzvy pri tepelnom rezan\u00ed<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Grafitov\u00fd polystyr\u00e9n (siv\u00fd) obsahuje \u010dastice grafitu, ktor\u00e9 zlep\u0161uj\u00fa tepeln\u00fa izol\u00e1ciu (lambda do 0,031 W\/m\u00b7K), pri rezan\u00ed si v\u0161ak vy\u017eaduj\u00fa opatrnos\u0165. Grafit sa usadzuje na odporovom dr\u00f4te vo forme tmav\u00e9ho n\u00e1nosu, zvy\u0161uje elektrick\u00fd odpor a sp\u00f4sobuje nerovnomern\u00e9 zahrievanie \u2013 v\u00fdsledok: dr\u00f4t \u201epl\u00e1va\u201d v materi\u00e1li a rez je nerovnomern\u00fd.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Rie\u0161enie: Pou\u017e\u00edvajte o nie\u010do vy\u0161\u0161ie teploty ako pri bielom EPS a po ka\u017edej hodine pr\u00e1ce vy\u010distite dr\u00f4t mosadznou kefou. Nezabudnite tie\u017e, \u017ee grafitov\u00fd polystyr\u00e9n silnej\u0161ie absorbuje slne\u010dn\u00e9 \u017eiarenie \u2013 dosky skladujte v tieni, aby ste pred mont\u00e1\u017eou predi\u0161li ich deform\u00e1cii.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Dekora\u010dn\u00e9 prvky a profily<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Tepeln\u00e9 vyrez\u00e1va\u010de (300\u2013350 \u00b0C) sl\u00fa\u017eia na vytv\u00e1ranie dr\u00e1\u017eok a dekorat\u00edvnych vzorov na povrchu polystyr\u00e9nu \u2013 nastavite\u013en\u00e1 h\u013abka, r\u00f4zne \u0161\u00edrky dr\u00e1\u017eok. Na r\u00edmsy, pilastre a rozety pou\u017e\u00edvajte termick\u00e9 no\u017ee s vymenite\u013en\u00fdmi profilovan\u00fdmi \u010depe\u013eami. Na s\u00e9riov\u00fa v\u00fdrobu architektonick\u00fdch prvkov: CNC reza\u010dky s odporov\u00fdm dr\u00f4tom.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Ako vybra\u0165 najlep\u0161iu met\u00f3du rezania penov\u00e9ho polystyr\u00e9nu?<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Vyberte si ru\u010dn\u00fd n\u00f4\u017e pre plochy do &lt;5 m\u00b2, termick\u00fd n\u00f4\u017e na presn\u00e9 tvary a rezanie na le\u0161en\u00ed, gilot\u00ednu na s\u00e9riov\u00fa v\u00fdrobu s plochou nad 20 m\u00b2.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Jednoduch\u00fd v\u00fdberov\u00fd k\u013e\u00fa\u010d:<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Ob\u010dasn\u00e9 dom\u00e1ce pr\u00e1ce, EPS do 15 cm, rozpo\u010det ~50 z\u0142:<\/strong>\u00a0ru\u010dn\u00fd n\u00f4\u017e s hladkou \u010depe\u013eou<\/li>\n\n\n\n<li><strong>Dom\u00e1ci majster alebo mal\u00e1 firma, potreba presnosti, pr\u00e1ca na le\u0161en\u00ed:<\/strong>\u00a0termick\u00fd n\u00f4\u017e 150\u2013250 W (400\u20131 000 PLN)<\/li>\n\n\n\n<li><strong>Realiza\u010dn\u00e1 firma, be\u017en\u00e9 fas\u00e1dne pr\u00e1ce, s\u00e9rie dosiek:<\/strong>\u00a0stacion\u00e1rna gilot\u00edna s odporov\u00fdm dr\u00f4tom (800\u20131 700 PLN)<\/li>\n\n\n\n<li><strong>Priemyseln\u00e1 v\u00fdroba, 3D tvary na mieru:<\/strong>\u00a0CNC reza\u010dka (5 000+ PLN)<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Rozdiel vo v\u00fdkonnosti medzi ru\u010dn\u00fdmi n\u00e1strojmi a profesion\u00e1lnymi zariadeniami s odporov\u00fdm dr\u00f4tom dosahuje a\u017e 500% \u2013 gilot\u00edna sa oplat\u00ed u\u017e po 6\u201312 mesiacoch intenz\u00edvneho pou\u017e\u00edvania v\u010faka \u00faspore \u010dasu a obmedzeniu str\u00e1t materi\u00e1lu.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Profesion\u00e1lne n\u00e1stroje na rezanie polystyr\u00e9nu \u2013 termick\u00e9 no\u017ee MINOVA, gilot\u00edny Procut a kompletn\u00e9 pr\u00edslu\u0161enstvo \u2013 n\u00e1jdete v na\u0161ej ponuke&nbsp;<a href=\"https:\/\/pro-cut.pl\/sk\/obchod\/\">pro-cut.pl<\/a>. Pom\u00f4\u017eeme v\u00e1m vybra\u0165 ide\u00e1lne rie\u0161enie pod\u013ea va\u0161ich potrieb a rozsahu pr\u00e1c.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u010casto kladen\u00e9 ot\u00e1zky - \u010casto kladen\u00e9 ot\u00e1zky o rezan\u00ed penov\u00e9ho polystyr\u00e9nu<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">\u010c\u00edm sa najlep\u0161ie re\u017ee polystyr\u00e9n doma?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Na jednoduch\u00e9 dom\u00e1ce pr\u00e1ce s EPS do hr\u00fabky 15 cm sta\u010d\u00ed ostr\u00fd ru\u010dn\u00fd n\u00f4\u017e s hladkou \u010depe\u013eou (~50 PLN). Ak v\u00e1m z\u00e1le\u017e\u00ed na presnosti a \u010dist\u00fdch hran\u00e1ch (napr. pri opracovan\u00ed ostrohy), investujte do termick\u00e9ho no\u017ea s v\u00fdkonom 150\u2013250 W za 300\u2013600 z\u0142 \u2013 je to najlep\u0161ia vo\u013eba pre dom\u00e1ceho majstra.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Ako reza\u0165 polystyr\u00e9n pod uhlom?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Na \u0161ikm\u00e9 rezy sa najlep\u0161ie hod\u00ed termick\u00fd n\u00f4\u017e s uhlov\u00fdm vod\u00edtkom alebo gilot\u00edna s nastaven\u00edm uhla 0\u201390\u00b0. V dom\u00e1cich podmienkach prilepte uhlomer na dosku a n\u00f4\u017e vied\u0165e pozd\u013a\u017e jeho okraja. Gilot\u00edny Procut a MINOVA maj\u00fa v s\u00e9riovej v\u00fdbave zabudovan\u00e9 uhlov\u00e9 dorazy.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Ako ozna\u010di\u0165 rezan\u00fa \u010diaru, aby bola rovn\u00e1?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Pou\u017eite tes\u00e1rsku ceruzku a hlin\u00edkov\u00fd uhlomer s d\u013a\u017ekou minim\u00e1lne 60 cm. Na tmavom grafitovom polystyr\u00e9ne pou\u017e\u00edvajte fixku \u2013 \u010diara je tak v\u00fdraznej\u0161ia. Pri dlh\u00fdch rezoch polo\u017ete tuh\u00fa li\u0161tu ako vod\u00edtko a pritla\u010dte ju svorkami. Dobre ozna\u010den\u00e1 \u010diara skracuje \u010das rezania a eliminuje chyby.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Ak\u00fd priemer dr\u00f4tu m\u00e1m zvoli\u0165 pre tvrd\u00fd styrodur XPS?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Na hust\u00e9 materi\u00e1ly, ako s\u00fa Styrodur XPS a peny PIR\/PUR, pou\u017e\u00edvajte dr\u00f4ty s hr\u00fabkou 0,6\u20130,8 mm \u2013 s\u00fa odolnej\u0161ie vo\u010di mechanick\u00e9mu pretrhnutiu ako ten\u0161ie dr\u00f4ty s hr\u00fabkou 0,3\u20130,5 mm, ktor\u00e9 sa pou\u017e\u00edvaj\u00fa pre \u0161tandardn\u00fd EPS.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u010co m\u00e1m pou\u017ei\u0165 na \u010distenie n\u00e1nosov uhl\u00edka z odporov\u00e9ho dr\u00f4tu a tepelnej fr\u00e9zy?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Pou\u017e\u00edvajte kefu z m\u00e4kk\u00e9ho mosadzu \u2013 \u00fa\u010dinne odstra\u0148uje zvy\u0161ky polystyr\u00e9nu a grafitu bez po\u0161kriabania vykurovacieho povrchu. \u010cistite po ka\u017edom pracovnom dni alebo \u010dastej\u0161ie v pr\u00edpade grafitov\u00e9ho polystyr\u00e9nu. Nepou\u017e\u00edvajte ostr\u00e9 kovov\u00e9 n\u00e1stroje \u2013 po\u0161kodili by povrch dr\u00f4tu.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Ako sa vyhn\u00fa\u0165 po\u0161kodeniu odporov\u00e9ho dr\u00f4tu?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Vyhnite sa prehriatiu dr\u00f4tu, ke\u010f zariadenie nepracuje \u2013 po\u010das prest\u00e1vok ho vypnite alebo zn\u00ed\u017ete v\u00fdkon. Pravidelne kontrolujte napnutie pru\u017e\u00edn (dr\u00f4t nesmie by\u0165 pr\u00edli\u0161 vo\u013en\u00fd ani pr\u00edli\u0161 napnut\u00fd). Pri tvrd\u00fdch materi\u00e1loch (XPS, PIR) zv\u00fd\u0161te priemer dr\u00f4tu na 0,6\u20130,8 mm.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Je bezpe\u010dn\u00e9 reza\u0165 penov\u00fd polystyr\u00e9n v da\u017edi?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Elektrick\u00e9 zariadenia s triedou ochrany IP44 umo\u017e\u0148uj\u00fa pr\u00e1cu v miernom mrholen\u00ed. Pri silnom da\u017edi pr\u00e1cu bezpodmiene\u010dne preru\u0161te \u2013 hroz\u00ed nebezpe\u010denstvo \u00farazu elektrick\u00fdm pr\u00fadom. Nikdy nepracujte s elektrick\u00fdm n\u00e1rad\u00edm v kalu\u017eiach vody.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Nahrad\u00ed tepeln\u00fd n\u00f4\u017e gilot\u00ednu?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Tepeln\u00fd n\u00f4\u017e je nenahradite\u013en\u00fd pri vytv\u00e1ran\u00ed presn\u00fdch tvarov, obl\u00fakov, dr\u00e1\u017eok a pri pr\u00e1ci na le\u0161en\u00ed. Pri s\u00e9riovom rezan\u00ed ve\u013ek\u00e9ho mno\u017estva dosiek je stacion\u00e1rna gilot\u00edna 3\u20135\u00d7 r\u00fdchlej\u0161ia a zaru\u010duje vy\u0161\u0161iu opakovate\u013enos\u0165. Profesion\u00e1lny fas\u00e1dny t\u00edm potrebuje obe zariadenia.<\/p>","protected":false},"excerpt":{"rendered":"<p>Najlepiej ci\u0105\u0107 styropian no\u017cem termicznym (min. 150&nbsp;W, 350\u2013450\u00b0C) \u2013 brak py\u0142u, g\u0142adkie kraw\u0119dzie, ci\u0119cia \u0142uk\u00f3w i pod k\u0105tem. Do prac<\/p>","protected":false},"author":1,"featured_media":2160,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[68,69,72],"tags":[],"class_list":["post-2157","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-porady-ciecie-styropianu","category-gilotyna-do-styropianu","category-noz-termiczny"],"acf":[],"_links":{"self":[{"href":"https:\/\/pro-cut.pl\/sk\/wp-json\/wp\/v2\/posts\/2157","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/pro-cut.pl\/sk\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/pro-cut.pl\/sk\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/pro-cut.pl\/sk\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/pro-cut.pl\/sk\/wp-json\/wp\/v2\/comments?post=2157"}],"version-history":[{"count":5,"href":"https:\/\/pro-cut.pl\/sk\/wp-json\/wp\/v2\/posts\/2157\/revisions"}],"predecessor-version":[{"id":4440,"href":"https:\/\/pro-cut.pl\/sk\/wp-json\/wp\/v2\/posts\/2157\/revisions\/4440"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/pro-cut.pl\/sk\/wp-json\/wp\/v2\/media\/2160"}],"wp:attachment":[{"href":"https:\/\/pro-cut.pl\/sk\/wp-json\/wp\/v2\/media?parent=2157"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/pro-cut.pl\/sk\/wp-json\/wp\/v2\/categories?post=2157"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/pro-cut.pl\/sk\/wp-json\/wp\/v2\/tags?post=2157"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}