{"id":26295,"date":"2025-11-21T09:55:06","date_gmt":"2025-11-21T01:55:06","guid":{"rendered":"https:\/\/sinoextrud.com\/?p=26295"},"modified":"2025-11-21T09:55:06","modified_gmt":"2025-11-21T01:55:06","slug":"jak-vysoka-teplota-muze-byt-u-hlinikovych-vylisku-nez-se-zacnou-deformovat","status":"publish","type":"post","link":"https:\/\/sinoextrud.com\/cs\/how-hot-can-aluminum-extrusions-get-before-it-warps\/","title":{"rendered":"Jak vysok\u00e1 teplota m\u016f\u017ee b\u00fdt u hlin\u00edkov\u00fdch profil\u016f, ne\u017e se za\u010dnou deformovat?"},"content":{"rendered":"

\"Hlin\u00edkov\u00e9
Hlin\u00edkov\u00e9 vytla\u010dov\u00e1n\u00ed 1060 hlin\u00edkov\u00fd profil<\/figcaption><\/figure>\n<\/p>\n

\u010celil jsem velk\u00e9mu riziku, kdy\u017e se na\u0161e hlin\u00edkov\u00e9 profily pod vlivem tepla oh\u00fdbaly \u2013 co p\u0159esn\u011b zp\u016fsobuje toto deformace?<\/p>\n

Hlin\u00edkov\u00e9 v\u00fdlisky za\u010d\u00ednaj\u00ed ztr\u00e1cet struktur\u00e1ln\u00ed stabilitu p\u0159i p\u0159ekvapiv\u011b m\u00edrn\u00fdch teplot\u00e1ch \u2013 \u010dasto nad ~150 \u00b0C (302 \u00b0F) \u2013 a mohou se zcela zdeformovat i p\u0159i teplot\u00e1ch v\u00fdrazn\u011b ni\u017e\u0161\u00edch ne\u017e je jejich bod t\u00e1n\u00ed (~660 \u00b0C \/ 1220 \u00b0F).<\/strong><\/p>\n

Pod\u00edvejme se, jak mohou teplota, volba slitiny, metody m\u011b\u0159en\u00ed a v\u00fdztu\u017e ovlivnit riziko tepeln\u00e9ho zkreslen\u00ed u extrudovan\u00e9ho hlin\u00edku.<\/p>\n

P\u0159i jak\u00fdch teplot\u00e1ch hroz\u00ed deformace extruz\u00ed?<\/h2>\n

P\u0159edstavte si dlouhou hlin\u00edkovou kolejnici, kter\u00e1 p\u0159i pokojov\u00e9 teplot\u011b vypad\u00e1 v po\u0159\u00e1dku, ale p\u0159i zah\u0159\u00e1t\u00ed se proh\u00fdb\u00e1 \u2013 jak\u00e1 teplota to zp\u016fsobuje?<\/p>\n

U mnoha standardn\u00edch hlin\u00edkov\u00fdch slitin doch\u00e1z\u00ed k v\u00fdrazn\u00e9mu poklesu mechanick\u00e9 pevnosti p\u0159i teplot\u00e1ch nad ~200\u2013250 \u00b0C (392\u2013482 \u00b0F), co\u017e p\u0159edstavuje re\u00e1ln\u00e9 riziko deformace nebo te\u010den\u00ed pod zat\u00ed\u017een\u00edm.<\/strong><\/p>\n

\"Pr\u016fmyslov\u00e9
Pr\u016fmyslov\u00e9 hlin\u00edkov\u00e9 v\u00fdlisky Hlin\u00edkov\u00fd profil<\/figcaption><\/figure>\n<\/p>\n

Kdy\u017e uva\u017euji o profilu vyroben\u00e9m mou spole\u010dnost\u00ed, v\u00edm, \u017ee teplota t\u00e1n\u00ed hlin\u00edku (~660 \u00b0C \/ 1220 \u00b0F) je ne<\/strong> praktick\u00e1 mez pro deformaci. Praktick\u00e9 provozn\u00ed meze jsou v\u0161ak mnohem ni\u017e\u0161\u00ed kv\u016fli zm\u011bn\u00e1m mikrostruktury, meze kluzu a tepeln\u00e9 rozta\u017enosti.<\/p>\n

Kl\u00ed\u010dov\u00e9 jevy, kter\u00e9 je t\u0159eba sledovat<\/h3>\n
    \n
  • Ztr\u00e1ta s\u00edly a tuhosti<\/strong>: S rostouc\u00ed teplotou kles\u00e1 mez kluzu a modul pru\u017enosti hlin\u00edku. U tenk\u00fdch sou\u010d\u00e1st\u00ed doch\u00e1z\u00ed k v\u00fdrazn\u00e9mu poklesu p\u0159i teplot\u00e1ch nad 300 K nad pokojovou teplotou.<\/li>\n
  • Tepeln\u00e1 rozta\u017enost a deformace<\/strong>: Nerovnom\u011brn\u00e9 zah\u0159\u00edv\u00e1n\u00ed zp\u016fsobuje vnit\u0159n\u00ed nap\u011bt\u00ed.<\/li>\n
  • Plo\u0161n\u00e1 deformace a deformace z\u00e1visl\u00e1 na \u010dase<\/strong>: I podkritick\u00e9 teploty zp\u016fsobuj\u00ed v pr\u016fb\u011bhu \u010dasu deformaci.<\/li>\n
  • \u00da\u010dinky struktur\u00e1ln\u00ed geometrie<\/strong>: Tenk\u00e9 st\u011bny a dlouh\u00e9 rozp\u011bt\u00ed se snadn\u011bji deformuj\u00ed.<\/li>\n
  • Tvrzen\u00ed a zpracov\u00e1n\u00ed slitiny<\/strong>: Tepeln\u011b zpracovan\u00e9 kalen\u00ed m\u00e1 lep\u0161\u00ed odolnost, ale v\u0161echny se p\u0159i zah\u0159\u00e1t\u00ed rozkl\u00e1daj\u00ed.<\/li>\n<\/ul>\n

    Praktick\u00e9 pokyny<\/h3>\n\n\n\n\n\n\n\n\n
    Teplotn\u00ed rozsah<\/th>\n\u00darove\u0148 rizika<\/th>\nPozn\u00e1mky<\/th>\n<\/tr>\n<\/thead>\n
    <150 \u00b0C<\/td>\nN\u00edzk\u00e1<\/td>\nObvykle bezpe\u010dn\u00e9<\/td>\n<\/tr>\n
    150\u2013250 \u00b0C<\/td>\nSt\u0159edn\u011b vysok\u00e9<\/td>\nS\u00edla za\u010d\u00edn\u00e1 klesat<\/td>\n<\/tr>\n
    >300 \u00b0C<\/td>\nVysok\u00e1<\/td>\nSiln\u00e9 oslaben\u00ed a deformace<\/td>\n<\/tr>\n
    ~660 \u00b0C<\/td>\nKritick\u00fd<\/td>\nDoch\u00e1z\u00ed k taven\u00ed<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

    Zvl\u00e1\u0161tn\u00ed p\u0159\u00edpad: Deformace v d\u016fsledku tepeln\u00e9ho zpracov\u00e1n\u00ed<\/h3>\n

    Deformace b\u011bhem tepeln\u00e9ho zpracov\u00e1n\u00ed je b\u011b\u017en\u00e1, proto\u017ee tyto teploty se bl\u00ed\u017e\u00ed prah\u016fm rekrystalizace. Nez\u00e1le\u017e\u00ed jen na slitin\u011b, ale tak\u00e9 na zp\u016fsobu ochlazen\u00ed nebo kalen\u00ed.<\/p>\n

    Pro\u010d je geometrie d\u016fle\u017eit\u00e1<\/h3>\n

    Dut\u00fd v\u00fdlisek se deformuje rychleji ne\u017e pln\u00e1 ty\u010d z n\u00e1sleduj\u00edc\u00edch d\u016fvod\u016f:<\/p>\n

      \n
    • Rychlej\u0161\u00ed absorpce tepla<\/li>\n
    • Ni\u017e\u0161\u00ed tuhost<\/li>\n
    • V\u011bt\u0161\u00ed nepodep\u0159en\u00e1 rozp\u011bt\u00ed<\/li>\n<\/ul>\n

      <\/svg> Standardn\u00ed hlin\u00edkov\u00e9 profily za\u010d\u00ednaj\u00ed v\u00fdrazn\u011b ztr\u00e1cet pevnost p\u0159i teplot\u00e1ch nad ~200 \u00b0C.<\/b>Pravda<\/span><\/p>

      Zdroje ukazuj\u00ed, \u017ee mnoho hlin\u00edkov\u00fdch slitin ztr\u00e1c\u00ed mez kluzu a tuhost znateln\u011b nad ~200 \u00b0C, co\u017e zvy\u0161uje riziko deformace.<\/p><\/div>
      \n

      <\/svg> Hlin\u00edkov\u00e9 profily z\u016fst\u00e1vaj\u00ed zcela stabiln\u00ed a\u017e do bodu taven\u00ed (~660 \u00b0C) bez rizika deformace.<\/b>False<\/span><\/p>

      I kdy\u017e k taven\u00ed doch\u00e1z\u00ed p\u0159i teplot\u011b ~660 \u00b0C, ztr\u00e1ta mechanick\u00fdch vlastnost\u00ed a tepeln\u00e9 deformace zp\u016fsobuj\u00ed kroucen\u00ed ji\u017e dlouho p\u0159edt\u00edm.<\/p><\/div><\/p>\n

      Pro\u010d slo\u017een\u00ed slitiny ovliv\u0148uje tepelnou odolnost?<\/h2>\n

      Pokud se jeden profil pod vlivem tepla zdeformuje a druh\u00fd z\u016fstane rovn\u00fd, rozd\u00edl \u010dasto spo\u010d\u00edv\u00e1 ve slo\u017een\u00ed slitiny a jej\u00ed tvrdosti \u2013 pro\u010d tomu tak je?<\/p>\n

      Slo\u017een\u00ed slitiny a stav tepeln\u00e9ho zpracov\u00e1n\u00ed ur\u010duj\u00ed, jak dob\u0159e si hlin\u00edkov\u00fd v\u00fdlisek zachov\u00e1v\u00e1 pevnost, tuhost a rozm\u011brovou stabilitu p\u0159i zv\u00fd\u0161en\u00e9 teplot\u011b.<\/strong><\/p>\n

      \"Hlin\u00edkov\u00e9
      Hlin\u00edkov\u00e9 v\u00fdlisky pro osv\u011btlovac\u00ed syst\u00e9my LED<\/figcaption><\/figure>\n<\/p>\n

      Ve sv\u00e9 pr\u00e1ci ve v\u00fdrobn\u00ed firm\u011b, jako je Sinoextrud, v\u017edy zd\u016fraz\u0148uji, \u017ee ne v\u0161echny hlin\u00edkov\u00e9 slitiny jsou stejn\u00e9, pokud jde o v\u00fdkon p\u0159i zv\u00fd\u0161en\u00fdch teplot\u00e1ch. Syst\u00e9m slitin, temperov\u00e1n\u00ed, struktura zrn a leguj\u00edc\u00ed prvky \u2013 to v\u0161e ovliv\u0148uje chov\u00e1n\u00ed materi\u00e1lu p\u0159i zah\u0159\u00e1t\u00ed.<\/p>\n

      Kl\u00ed\u010dov\u00e9 faktory<\/h3>\n

      1. \u0158ada slitin<\/h4>\n\n\n\n\n\n\n\n
      S\u00e9rie Alloy<\/th>\nP\u0159\u00edpad pou\u017eit\u00ed<\/th>\nTepeln\u00e1 odolnost<\/th>\n<\/tr>\n<\/thead>\n
      6061 \/ 6063<\/td>\nObecn\u00e9 konstruk\u010dn\u00ed prvky\/v\u00fdlisky<\/td>\nM\u00edrn\u00e1<\/td>\n<\/tr>\n
      2024 \/ 7075<\/td>\nLetectv\u00ed a kosmonautika<\/td>\nN\u00edzk\u00e1 teplota<\/td>\n<\/tr>\n
      2618 \/ 2219<\/td>\nAplikace pro vysok\u00e9 teploty<\/td>\nVysok\u00e1<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

      2. Podm\u00ednky temperov\u00e1n\u00ed<\/h4>\n

      T6 temperovan\u00e9 oceli maj\u00ed vy\u0161\u0161\u00ed pevnost, ale p\u0159i zv\u00fd\u0161en\u00fdch teplot\u00e1ch se mohou rychle degradovat v d\u016fsledku zrnitosti zp\u016fsoben\u00e9 sr\u00e1\u017een\u00edm.<\/p>\n

      3. Mikrostruktura<\/h4>\n

      P\u0159i vysok\u00fdch teplot\u00e1ch doch\u00e1z\u00ed ke zrnitosti a rozpou\u0161t\u011bn\u00ed sra\u017eenin, co\u017e oslabuje strukturu materi\u00e1lu. Stabilita se li\u0161\u00ed podle slitiny a stavu.<\/p>\n

      4. Tepeln\u00e1 kompatibilita<\/h4>\n

      R\u016fzn\u00e9 materi\u00e1ly se roztahuj\u00ed r\u016fznou rychlost\u00ed. Pokud jsou hlin\u00edkov\u00e9 profily sou\u010d\u00e1st\u00ed syst\u00e9m\u016f slo\u017een\u00fdch z v\u00edce materi\u00e1l\u016f, m\u016f\u017ee nesoulad v rozta\u017enosti vyvolat nap\u011bt\u00ed.<\/p>\n

      Poradenstv\u00ed v oblasti designu v re\u00e1ln\u00e9m sv\u011bt\u011b<\/h3>\n

      Pokud mus\u00ed profil odol\u00e1vat teplot\u011b 180 \u00b0C, nikdy bych nedoporu\u010doval materi\u00e1l 6063-T5 bez v\u00fdztu\u017ee. Provedl bych testy nebo p\u0159e\u0161el na slitinu odolnou v\u016f\u010di vy\u0161\u0161\u00edm teplot\u00e1m, zv\u00fd\u0161il tlou\u0161\u0165ku st\u011bny nebo p\u0159idal v\u00fdztuhu.<\/p>\n

      <\/svg> Slo\u017een\u00ed slitiny a stav tepeln\u00e9ho zpracov\u00e1n\u00ed v\u00fdznamn\u011b ovliv\u0148uj\u00ed teplotu, p\u0159i kter\u00e9 se hlin\u00edkov\u00fd v\u00fdlisek zdeformuje.<\/b>Pravda<\/span><\/p>

      R\u016fzn\u00e9 syst\u00e9my slitin, stavy tvrzen\u00ed a mikrostruktury maj\u00ed r\u016fzn\u00e9 vlastnosti p\u0159i zachov\u00e1n\u00ed mechanick\u00fdch vlastnost\u00ed p\u0159i vysok\u00fdch teplot\u00e1ch, tak\u017ee volba slitiny ovliv\u0148uje toleranci deformace.<\/p><\/div>
      \n

      <\/svg> Jak\u00e1koli hlin\u00edkov\u00e1 slitina se p\u0159i zv\u00fd\u0161en\u00fdch teplot\u00e1ch chov\u00e1 naprosto stejn\u011b, bez ohledu na slo\u017een\u00ed.<\/b>False<\/span><\/p>

      Mechanick\u00e9 chov\u00e1n\u00ed p\u0159i zah\u0159\u00e1t\u00ed se u jednotliv\u00fdch slitin zna\u010dn\u011b li\u0161\u00ed; slo\u017een\u00ed a stav maj\u00ed velk\u00fd vliv.<\/p><\/div><\/p>\n

      Jak m\u011b\u0159it tepeln\u00e9 limity extruze?<\/h2>\n

      V\u00edte, \u017ee v\u00e1\u0161 profil m\u016f\u017ee b\u00fdt vystaven vysok\u00fdm teplot\u00e1m \u2013 ale jak ur\u010d\u00edte jeho skute\u010dnou bezpe\u010dnou mez p\u0159ed deformac\u00ed?<\/p>\n

      M\u011b\u0159en\u00ed teplotn\u00edch limit\u016f hlin\u00edkov\u00e9ho v\u00fdlisku zahrnuje testov\u00e1n\u00ed nebo modelov\u00e1n\u00ed meze kluzu v z\u00e1vislosti na teplot\u011b, chov\u00e1n\u00ed p\u0159i te\u010den\u00ed a deformaci p\u0159i reprezentativn\u00edch zat\u00ed\u017een\u00edch a geometrii.<\/strong><\/p>\n

      \"Pr\u016fmyslov\u00fd
      Pr\u016fmyslov\u00fd hlin\u00edkov\u00fd vytla\u010dovac\u00ed profil<\/figcaption><\/figure>\n<\/p>\n

      Pom\u00e1h\u00e1m klient\u016fm ov\u011b\u0159ovat v\u00fdkonnost vysokoteplotn\u00edho vytla\u010dov\u00e1n\u00ed pomoc\u00ed laboratorn\u00edch test\u016f a simulac\u00ed.<\/p>\n

      Postup krok za krokem<\/h3>\n
        \n
      1. Definujte tepelnou expozici<\/strong> \u2013 maxim\u00e1ln\u00ed teplota, doba trv\u00e1n\u00ed, typ zat\u00ed\u017een\u00ed.<\/li>\n
      2. \u00dadaje o referen\u010dn\u00edm materi\u00e1lu<\/strong> \u2013 k\u0159ivky meze kluzu a \u00fadaje o poklesu modulu pru\u017enosti.<\/li>\n
      3. Pou\u017e\u00edvat simula\u010dn\u00ed n\u00e1stroje (FEM)<\/strong> \u2013 simulovat tepelnou rozta\u017enost a pr\u016fhyb pod zat\u00ed\u017een\u00edm.<\/li>\n
      4. Prove\u010fte tepeln\u00fd test<\/strong> \u2013 pou\u017eijte fyzick\u00e9 vzorky, aplikujte teplo a zat\u00ed\u017een\u00ed.<\/li>\n
      5. Porovnejte s normami<\/strong> \u2013 zkontrolujte deformaci podle specifikac\u00ed rovnosti (\u00b10,5 mm\/m).<\/li>\n<\/ol>\n

        Vzorov\u00e9 \u00fadaje o chov\u00e1n\u00ed materi\u00e1lu<\/h3>\n\n\n\n\n\n\n\n\n
        Teplota (\u00b0C)<\/th>\n6063 Mez kluzu (%)<\/th>\nRiziko deformace<\/th>\n<\/tr>\n<\/thead>\n
        25<\/td>\n100<\/td>\nN\u00edzk\u00e1<\/td>\n<\/tr>\n
        150<\/td>\n~80<\/td>\nM\u00edrn\u00e1<\/td>\n<\/tr>\n
        250<\/td>\n~50<\/td>\nVysok\u00e1<\/td>\n<\/tr>\n
        350+<\/td>\n~25 nebo m\u00e9n\u011b<\/td>\nKritick\u00fd<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

        Metriky, kter\u00e9 je t\u0159eba sledovat<\/h3>\n
          \n
        • Mez kluzu p\u0159i teplot\u011b<\/li>\n
        • M\u00edra te\u010den\u00ed<\/li>\n
        • Line\u00e1rn\u00ed tepeln\u00e1 rozta\u017enost (CTE)<\/li>\n
        • Odchylka p\u0159\u00edmosti (mm\/m)<\/li>\n<\/ul>\n

          P\u0159\u00edklad pou\u017eit\u00ed<\/h3>\n

          Testovali jsme extrudovan\u00fd profil 6063-T6 p\u0159i teplot\u011b 200 \u00b0C a po 3 hodin\u00e1ch jsme zaznamenali pr\u016fhyb 2 mm na d\u00e9lce 3 m. To je nep\u0159ijateln\u00e9. \u0158e\u0161en\u00ed: zmen\u0161it rozp\u011bt\u00ed, zm\u011bnit geometrii nebo pou\u017e\u00edt jinou slitinu.<\/p>\n

          <\/svg> Simulace a m\u011b\u0159en\u00ed p\u0159\u00edmosti p\u0159i zv\u00fd\u0161en\u00e9 teplot\u011b a zat\u00ed\u017een\u00ed je kl\u00ed\u010dov\u00e9 pro ov\u011b\u0159en\u00ed teplotn\u00edch limit\u016f extruze.<\/b>Pravda<\/span><\/p>

          Vzhledem k tomu, \u017ee geometrie, slitina a zat\u00ed\u017een\u00ed se li\u0161\u00ed, je nutn\u00e9 prov\u00e9st m\u011b\u0159en\u00ed nebo simulaci, aby bylo mo\u017en\u00e9 ur\u010dit bezpe\u010dn\u00fd rozsah.<\/p><\/div>
          \n

          <\/svg> M\u016f\u017eete p\u0159edpokl\u00e1dat, \u017ee jak\u00fdkoli standardn\u00ed extrudovan\u00fd hlin\u00edkov\u00fd profil z\u016fstane rovn\u00fd p\u0159i jak\u00e9koli teplot\u011b do 300 \u00b0C bez zvl\u00e1\u0161tn\u00ed kontroly.<\/b>False<\/span><\/p>

          Mnoho standardn\u00edch v\u00fdlisk\u016f ztr\u00e1c\u00ed pevnost a m\u016f\u017ee se deformovat p\u0159i teplot\u00e1ch nad ~200\u2013250 \u00b0C; je nutn\u00e9 zkontrolovat ka\u017ed\u00fd p\u0159\u00edpad.<\/p><\/div><\/p>\n

          M\u016f\u017ee v\u00fdztu\u017e sn\u00ed\u017eit tepeln\u00e9 deformace?<\/h2>\n

          Pokud hroz\u00ed, \u017ee se profil vlivem tepla zdeformuje, m\u016f\u017eeme jej zpevnit nebo vyztu\u017eit, aby k tomuto probl\u00e9mu nedo\u0161lo?<\/p>\n

          Ano \u2013 zes\u00edlen\u00ed (geometrick\u00e9 zm\u011bny, \u017eebra, siln\u011bj\u0161\u00ed st\u011bny, vn\u011bj\u0161\u00ed podp\u011bry nebo kompozitn\u00ed vlo\u017eky) m\u016f\u017ee v\u00fdrazn\u011b sn\u00ed\u017eit riziko deformace p\u0159i zv\u00fd\u0161en\u00e9 teplot\u011b, pokud je zaji\u0161t\u011bna kompatibilita materi\u00e1l\u016f a zohledn\u011bna tepeln\u00e1 rozta\u017enost.<\/strong><\/p>\n

          \"Ov\u00e1ln\u00e9
          Ov\u00e1ln\u00e9 hlin\u00edkov\u00e9 v\u00fdlisky<\/figcaption><\/figure>\n<\/p>\n

          Pom\u00e1h\u00e1m klient\u016fm posilovat profily vystaven\u00e9 p\u016fsoben\u00ed tepla zm\u011bnou konstrukce profil\u016f nebo strategi\u00ed podpory.<\/p>\n

          Typy v\u00fdztu\u017ee<\/h3>\n
            \n
          • Siln\u011bj\u0161\u00ed st\u011bny<\/strong>: Zlep\u0161uje tuhost, ale zvy\u0161uje zadr\u017eov\u00e1n\u00ed tepla.<\/li>\n
          • Vnit\u0159n\u00ed \u017eebra\/p\u00e1sky<\/strong>: Zvy\u0161uje tuhost bez v\u00fdrazn\u00e9ho zv\u00fd\u0161en\u00ed hmotnosti.<\/li>\n
          • Extern\u00ed podpory<\/strong>: Kotvy sni\u017euj\u00ed nepodep\u0159enou d\u00e9lku.<\/li>\n
          • Kompozitn\u00ed vlo\u017eky<\/strong>: Ocelov\u00e9 ty\u010de nebo vysokoteplotn\u00ed plasty zvy\u0161uj\u00ed tuhost.<\/li>\n<\/ul>\n

            Kompromisy, kter\u00e9 je t\u0159eba zv\u00e1\u017eit<\/h3>\n\n\n\n\n\n\n\n\n
            Metoda<\/th>\nV\u00fdhoda<\/th>\nNev\u00fdhoda<\/th>\n<\/tr>\n<\/thead>\n
            Siln\u011bj\u0161\u00ed st\u011bny<\/td>\nTuh\u0161\u00ed, pevn\u011bj\u0161\u00ed<\/td>\nT\u011b\u017e\u0161\u00ed, dra\u017e\u0161\u00ed<\/td>\n<\/tr>\n
            Podp\u011bra uprost\u0159ed rozp\u011bt\u00ed<\/td>\nJednoduch\u00e9, \u00fa\u010dinn\u00e9<\/td>\nVy\u017eaduje dal\u0161\u00ed hardware<\/td>\n<\/tr>\n
            Izola\u010dn\u00ed vrstva<\/td>\nUdr\u017euje ni\u017e\u0161\u00ed teplotu<\/td>\nM\u016f\u017ee zadr\u017eovat teplo uvnit\u0159<\/td>\n<\/tr>\n
            Kompozitn\u00ed vlo\u017eky<\/td>\nVysok\u00e1 tuhost<\/td>\nProbl\u00e9my s nesourodost\u00ed CTE<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

            M\u016fj pracovn\u00ed postup<\/h3>\n

            Obvykle:<\/p>\n

              \n
            1. P\u0159epracujte profil s \u017eebry.<\/li>\n
            2. Pokud je to mo\u017en\u00e9, p\u0159idejte podp\u011bru uprost\u0159ed rozp\u011bt\u00ed.<\/li>\n
            3. Vyhodno\u0165te pou\u017eit\u00ed vlo\u017eek pouze v p\u0159\u00edpad\u011b, \u017ee geometrie se nem\u016f\u017ee zm\u011bnit.<\/li>\n
            4. Doporu\u010dujeme pou\u017e\u00edt reflexn\u00ed n\u00e1t\u011br nebo \u0161t\u00edty, kter\u00e9 omezuj\u00ed p\u0159enos tepla.<\/li>\n<\/ol>\n

              Tento vrstven\u00fd p\u0159\u00edstup pom\u00e1h\u00e1 zabr\u00e1nit deformaci s minim\u00e1ln\u00edmi n\u00e1klady.<\/p>\n

              <\/svg> P\u0159id\u00e1n\u00ed struktur\u00e1ln\u00edho vyztu\u017een\u00ed a podpory sni\u017euje riziko deformace extruze p\u0159i zah\u0159\u00e1t\u00ed.<\/b>Pravda<\/span><\/p>

              V\u00fdztu\u017e zvy\u0161uje tuhost a sni\u017euje nepodep\u0159enou d\u00e9lku, co\u017e sni\u017euje deformaci p\u0159i zat\u00ed\u017een\u00ed a tepeln\u00e9 rozta\u017enosti.<\/p><\/div>
              \n

              <\/svg> P\u0159i navrhov\u00e1n\u00ed v\u00fdlisk\u016f pro vysok\u00e9 teploty se m\u016f\u017eete spolehnout v\u00fdhradn\u011b na zes\u00edlen\u00ed a ignorovat v\u00fdb\u011br slitiny.<\/b>False<\/span><\/p>

              Volba slitiny z\u016fst\u00e1v\u00e1 rozhoduj\u00edc\u00ed pro v\u00fdkonnost p\u0159i vysok\u00fdch teplot\u00e1ch; samotn\u00e9 vyztu\u017een\u00ed nem\u016f\u017ee kompenzovat materi\u00e1l, kter\u00fd p\u0159i zv\u00fd\u0161en\u00fdch teplot\u00e1ch ztr\u00e1c\u00ed pevnost.<\/p><\/div><\/p>\n

              Z\u00e1v\u011br<\/h2>\n

              Po zv\u00e1\u017een\u00ed teplotn\u00edch rizik, vlastnost\u00ed slitin, metod m\u011b\u0159en\u00ed a mo\u017enost\u00ed zes\u00edlen\u00ed se domn\u00edv\u00e1m, \u017ee bezpe\u010dn\u00fdm postupem je: u typick\u00fdch extrudovan\u00fdch hlin\u00edkov\u00fdch profil\u016f p\u0159edpokl\u00e1dat, \u017ee riziko deformace za\u010d\u00edn\u00e1 ji\u017e dlouho p\u0159ed taven\u00edm \u2013 v rozmez\u00ed ~150\u2013250 \u00b0C \u2013 vybrat odpov\u00eddaj\u00edc\u00ed slitinu\/temper, ov\u011b\u0159it limity pomoc\u00ed modelov\u00e1n\u00ed nebo testov\u00e1n\u00ed a zahrnout zes\u00edlen\u00ed nebo podporu, pokud to vy\u017eaduje geometrie nebo zat\u00ed\u017een\u00ed.<\/p>","protected":false},"excerpt":{"rendered":"

              Aluminum Extrusion 1060 Aluminum Profile I faced a major risk when our aluminum profiles bent under heat\u2014what exactly causes that warping? Aluminum extrusions begin losing structural stability at surprisingly moderate temperatures\u2014often above ~150\u202f\u00b0C (302\u202f\u00b0F)\u2014and may outright warp well below their melting point (~660\u202f\u00b0C \/ 1220\u202f\u00b0F). Let\u2019s explore how temperature, alloy choice, measurement methods and reinforcement […]<\/p>\n","protected":false},"author":6,"featured_media":5597,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_seopress_titles_title":"","_seopress_titles_desc":"","_seopress_robots_index":"","_seopress_robots_follow":"","_seopress_robots_imageindex":"","_seopress_robots_snippet":"","_seopress_robots_primary_cat":"none","_seopress_robots_breadcrumbs":"","_seopress_robots_freeze_modified_date":"","_seopress_robots_custom_modified_date":"","_seopress_robots_canonical":"","_seopress_social_fb_title":"","_seopress_social_fb_desc":"","_seopress_social_fb_img":"","_seopress_social_fb_img_attachment_id":0,"_seopress_social_fb_img_width":0,"_seopress_social_fb_img_height":0,"_seopress_social_twitter_title":"","_seopress_social_twitter_desc":"","_seopress_social_twitter_img":"","_seopress_social_twitter_img_attachment_id":0,"_seopress_social_twitter_img_width":0,"_seopress_social_twitter_img_height":0,"_seopress_redirections_value":"","_seopress_redirections_enabled":"","_seopress_redirections_enabled_regex":"","_seopress_redirections_logged_status":"both","_seopress_redirections_param":"","_seopress_redirections_type":301,"_seopress_analysis_target_kw":"","_seopress_news_disabled":"","_seopress_video_disabled":"","_seopress_video":[],"_seopress_pro_schemas_manual":[],"_seopress_pro_rich_snippets_disable_all":"","_seopress_pro_rich_snippets_disable":[],"_seopress_pro_schemas":[],"footnotes":""},"categories":[1],"tags":[],"class_list":["post-26295","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-custom-mold"],"meta_box":{"post-to-quiz_to":[]},"_links":{"self":[{"href":"https:\/\/sinoextrud.com\/cs\/wp-json\/wp\/v2\/posts\/26295","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/sinoextrud.com\/cs\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/sinoextrud.com\/cs\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/sinoextrud.com\/cs\/wp-json\/wp\/v2\/users\/6"}],"replies":[{"embeddable":true,"href":"https:\/\/sinoextrud.com\/cs\/wp-json\/wp\/v2\/comments?post=26295"}],"version-history":[{"count":0,"href":"https:\/\/sinoextrud.com\/cs\/wp-json\/wp\/v2\/posts\/26295\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/sinoextrud.com\/cs\/wp-json\/wp\/v2\/media\/5597"}],"wp:attachment":[{"href":"https:\/\/sinoextrud.com\/cs\/wp-json\/wp\/v2\/media?parent=26295"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/sinoextrud.com\/cs\/wp-json\/wp\/v2\/categories?post=26295"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/sinoextrud.com\/cs\/wp-json\/wp\/v2\/tags?post=26295"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}