{"id":9139,"date":"2025-06-25T02:31:38","date_gmt":"2025-06-25T02:31:38","guid":{"rendered":"https:\/\/sinoextrud.com\/?p=9139"},"modified":"2025-06-25T02:31:38","modified_gmt":"2025-06-25T02:31:38","slug":"jak-se-hlinikove-vylisky-porovnavaji-s-alternativnimi-materialy","status":"publish","type":"post","link":"https:\/\/sinoextrud.com\/cs\/how-do-aluminum-extrusions-compare-to-alternative-materials\/","title":{"rendered":"Jak si hlin\u00edkov\u00e9 v\u00fdlisky vedou v porovn\u00e1n\u00ed s alternativn\u00edmi materi\u00e1ly?"},"content":{"rendered":"

\"Modern\u00ed
Hlin\u00edk je leh\u010d\u00ed ne\u017e m\u011b\u010f nebo mosaz a vynik\u00e1 ve sk\u0159\u00ed\u0148k\u00e1ch a pr\u016fmyslov\u00fdch r\u00e1mech.<\/figcaption><\/figure>\n<\/p>\n

Jednou jsem vym\u011bnil ocelov\u00fd kryt stroje za hlin\u00edkov\u00e9 v\u00fdlisky a zaznamenal jsem okam\u017eit\u00e9 zm\u011bny. M\u016fj ka\u017edodenn\u00ed boj s pohybliv\u00fdmi \u010d\u00e1stmi se stal jednodu\u0161\u0161\u00edm, kdy\u017e jsem vid\u011bl jednoduchost a pevnost hlin\u00edku.<\/p>\n

Hlin\u00edkov\u00e9 v\u00fdlisky nab\u00edzej\u00ed ve srovn\u00e1n\u00ed s ocel\u00ed, PVC, plasty a kompozity rovnov\u00e1hu mezi n\u00edzkou hmotnost\u00ed, pevnost\u00ed, n\u00e1klady a udr\u017eitelnost\u00ed.<\/strong><\/p>\n

Pod\u00edvejme se podrobn\u011b na jednotliv\u00e1 srovn\u00e1n\u00ed, kter\u00e1 v\u00e1m pomohou vybrat ten spr\u00e1vn\u00fd materi\u00e1l.<\/p>\n

1. Jak\u00e9 jsou v\u00fdkonnostn\u00ed rozd\u00edly mezi hlin\u00edkov\u00fdmi a ocelov\u00fdmi v\u00fdlisky?<\/h2>\n

\"Profil
Hlin\u00edk m\u00e1 lep\u0161\u00ed vlastnosti ne\u017e plast nebo PVC, pokud jde o nosnost a tepelnou stabilitu.<\/figcaption><\/figure>\n<\/p>\n

Ocel a hlin\u00edk maj\u00ed v extruzn\u00ed form\u011b sv\u00e9 siln\u00e9 a slab\u00e9 str\u00e1nky.<\/p>\n

Ocelov\u00e9 v\u00fdlisky jsou pevn\u00e9 a tuh\u00e9, ale t\u011b\u017ek\u00e9 a n\u00e1chyln\u00e9 ke korozi, zat\u00edmco hlin\u00edk nab\u00edz\u00ed vysok\u00fd pom\u011br pevnosti k hmotnosti a vynikaj\u00edc\u00ed odolnost proti korozi.<\/strong><\/p>\n

Pevnost a tuhost<\/h3>\n\n\n\n\n\n\n\n
Materi\u00e1l<\/th>\nPevnost v tahu<\/th>\nPevnost v tahu<\/th>\nHustota<\/th>\nHmotnost na stopu (100 mm \u010dtvere\u010dn\u00edch)<\/th>\n<\/tr>\n<\/thead>\n
Hlin\u00edk 6061-T6<\/td>\n~310 MPa<\/td>\n~276 MPa<\/td>\n2,70 g\/cm3<\/td>\n~0,96 lb<\/td>\n<\/tr>\n
Hlin\u00edk 7075-T6<\/td>\n~572 MPa<\/td>\n~503 MPa<\/td>\n2,81 g\/cm3<\/td>\n~1,00 lb<\/td>\n<\/tr>\n
M\u011bkk\u00e1 ocel (A36)<\/td>\n~400 MPa<\/td>\n~250 MPa<\/td>\n7,85 g\/cm3<\/td>\n~2,78 lb<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n
    \n
  • Ocel m\u00e1 vy\u0161\u0161\u00ed tuhost a tuhost. <\/li>\n
  • I kdy\u017e m\u00e1 hlin\u00edk 7075 vysokou pevnost, ocel je st\u00e1le tu\u017e\u0161\u00ed. <\/li>\n
  • Hlin\u00edk m\u00e1 p\u0159i stejn\u00e9 velikosti t\u00e9m\u011b\u0159 o 65-70% ni\u017e\u0161\u00ed hmotnost ne\u017e ocel.<\/li>\n<\/ul>\n

    Odolnost proti korozi<\/h3>\n
      \n
    • Hlin\u00edk p\u0159irozen\u011b tvo\u0159\u00ed vrstvu oxidu. Povlaky, jako je eloxov\u00e1n\u00ed, ji zlep\u0161uj\u00ed. <\/li>\n
    • Ocel je t\u0159eba nat\u0159\u00edt nebo pozinkovat, aby nerezav\u011bla. <\/li>\n
    • Ve vlhk\u00e9m, p\u0159\u00edmo\u0159sk\u00e9m nebo pr\u016fmyslov\u00e9m ovzdu\u0161\u00ed vykazuje hlin\u00edk lep\u0161\u00ed odolnost.<\/li>\n<\/ul>\n

      Obrobitelnost<\/h3>\n
        \n
      • Hlin\u00edk je m\u011bk\u010d\u00ed. \u0158e\u017ee rychle, pot\u0159ebuje men\u0161\u00ed v\u00fdkon a opot\u0159eben\u00ed n\u00e1stroj\u016f je ni\u017e\u0161\u00ed. <\/li>\n
      • Ocelov\u00e9 n\u00e1stroje se v\u00edce opot\u0159ebov\u00e1vaj\u00ed a pot\u0159ebuj\u00ed ni\u017e\u0161\u00ed ot\u00e1\u010dky a chlazen\u00ed.<\/li>\n<\/ul>\n

        N\u00e1klady vs. v\u00fdkon<\/h3>\n
          \n
        • Ocelov\u00fd materi\u00e1l stoj\u00ed m\u00e9n\u011b na libru. <\/li>\n
        • N\u00e1klady na dopravu a mont\u00e1\u017e jsou vy\u0161\u0161\u00ed kv\u016fli hmotnosti. <\/li>\n
        • Hlin\u00edk podporuje lehkou konstrukci a ni\u017e\u0161\u00ed p\u0159epravn\u00ed n\u00e1klady.<\/li>\n<\/ul>\n

          To jsem se dozv\u011bd\u011bl p\u0159i modernizaci za\u0159\u00edzen\u00ed. Ocelov\u00fd kryt byl siln\u00fd, ale t\u011b\u017ek\u00fd a rychle rezav\u011bl. Hlin\u00edkov\u00e1 verze nevy\u017eadovala po dvou letech \u017e\u00e1dn\u00e9 p\u0159elakov\u00e1n\u00ed a u\u0161et\u0159ila 40% na hmotnosti.<\/p>\n

          2. Jak\u00e9 jsou n\u00e1klady na hlin\u00edkov\u00e9 v\u00fdlisky ve srovn\u00e1n\u00ed s PVC nebo plastem?<\/h2>\n

          PVC a plastov\u00e9 v\u00fdlisky se b\u011b\u017en\u011b pou\u017e\u00edvaj\u00ed v oknech, oblo\u017een\u00edch a r\u00e1mech sv\u011btel. Jejich cena a vlastnosti se li\u0161\u00ed od hlin\u00edku.<\/p>\n

          PVC\/plast je zpo\u010d\u00e1tku levn\u011bj\u0161\u00ed a snadno se formuje, ale hlin\u00edk poskytuje v\u011bt\u0161\u00ed pevnost, odolnost a kvalitu povrchov\u00e9 \u00fapravy pro del\u0161\u00ed \u017eivotnost.<\/strong><\/p>\n

          Rozd\u011blen\u00ed n\u00e1klad\u016f<\/h3>\n\n\n\n\n\n\n\n\n
          Materi\u00e1l<\/th>\nP\u0159ibli\u017en\u00e9 n\u00e1klady na libru*<\/th>\nTypick\u00e9 p\u0159\u00edpady pou\u017eit\u00ed<\/th>\n<\/tr>\n<\/thead>\n
          Vytla\u010dov\u00e1n\u00ed PVC<\/td>\n$0.50 - $1.00<\/td>\nOkenn\u00ed r\u00e1my, oblo\u017een\u00ed, potrub\u00ed<\/td>\n<\/tr>\n
          Nylon\/ABS Plast<\/td>\n$2.00 - $4.00<\/td>\nSk\u0159\u00edn\u011b, spot\u0159ebn\u00ed d\u00edly<\/td>\n<\/tr>\n
          Hlin\u00edk 6061<\/td>\n$2.50 - $3.50<\/td>\nKonstruk\u010dn\u00ed r\u00e1my, \u0161pi\u010dkov\u00e1 okna<\/td>\n<\/tr>\n
          Hlin\u00edk 7075<\/td>\n$4.00 - $6.00<\/td>\nKonstrukce s velk\u00fdm zat\u00ed\u017een\u00edm, pou\u017eit\u00ed v letectv\u00ed a kosmonautice<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

          *Ceny se li\u0161\u00ed podle trhu a objemu.<\/p>\n

            \n
          • PVC a ABS stoj\u00ed m\u00e9n\u011b na kilogram a jejich v\u00fdroba je rychl\u00e1. <\/li>\n
          • Hlin\u00edk stoj\u00ed v\u00edce, ale nab\u00edz\u00ed lep\u0161\u00ed v\u00fdkon a povrchovou \u00fapravu.<\/li>\n<\/ul>\n

            Kompromisy<\/h3>\n
              \n
            • PVC se snadno \u0159e\u017ee a sva\u0159uje. <\/li>\n
            • M\u016f\u017ee se v\u0161ak deformovat pod vlivem UV z\u00e1\u0159en\u00ed, tepla nebo hmotnosti. <\/li>\n
            • Hlin\u00edk odol\u00e1v\u00e1 slunci, udr\u017euje tvar a unese t\u011b\u017ek\u00e1 b\u0159emena. <\/li>\n
            • U okenn\u00edch r\u00e1m\u016f se m\u016f\u017ee PVC deformovat, hlin\u00edk z\u016fst\u00e1v\u00e1 stabiln\u00ed a t\u011bsn\u00ed.<\/li>\n<\/ul>\n

              Kdysi jsem zkou\u0161el komponenty z PVC pro venkovn\u00ed kiosek a v letn\u00edm horku se proh\u00fdbaly. Hlin\u00edk udr\u017eel r\u00e1m rovn\u00fd a stabiln\u00ed v pr\u016fb\u011bhu ro\u010dn\u00edch obdob\u00ed.<\/p>\n

              3. Jak\u00e9 jsou hmotnostn\u00ed v\u00fdhody hlin\u00edkov\u00fdch v\u00fdlisk\u016f oproti jin\u00fdm kov\u016fm?<\/h2>\n

              \"eloxovan\u00fd
              Hlin\u00edk je pln\u011b recyklovateln\u00fd a udr\u017eiteln\u011bj\u0161\u00ed ne\u017e kompozity vyztu\u017een\u00e9 vl\u00e1kny.<\/figcaption><\/figure>\n<\/p>\n

              Lehkost je d\u016fle\u017eit\u00e1 pro design, p\u0159epravu a ergonomii.<\/p>\n

              Hlin\u00edkov\u00e9 v\u00fdlisky nab\u00edzej\u00ed \u00fasporu hmotnosti a\u017e 70% ve srovn\u00e1n\u00ed s ocel\u00ed a 40% ve srovn\u00e1n\u00ed s m\u011bd\u00ed\/mosaz\u00ed, p\u0159i\u010dem\u017e si st\u00e1le zachov\u00e1vaj\u00ed vysok\u00fd v\u00fdkon.<\/strong><\/p>\n

              Srovn\u00e1n\u00ed hmotnosti<\/h3>\n\n\n\n\n\n\n\n\n\n
              Materi\u00e1l<\/th>\nHustota g\/cm3<\/th>\nPom\u011br hmotnosti k hlin\u00edku<\/th>\n<\/tr>\n<\/thead>\n
              Ocel<\/td>\n7.85<\/td>\n2,9\u00d7 t\u011b\u017e\u0161\u00ed<\/td>\n<\/tr>\n
              M\u011b\u010f<\/td>\n8.96<\/td>\n3,3\u00d7 t\u011b\u017e\u0161\u00ed<\/td>\n<\/tr>\n
              Mosazn\u00e9<\/td>\n~8.50<\/td>\n3,1\u00d7 t\u011b\u017e\u0161\u00ed<\/td>\n<\/tr>\n
              Titan<\/td>\n4.50<\/td>\n1,7\u00d7 t\u011b\u017e\u0161\u00ed<\/td>\n<\/tr>\n
              Hlin\u00edk<\/td>\n2.70<\/td>\nZ\u00e1kladn\u00ed \u00fadaje<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n
                \n
              • Ocel je asi 3\u00d7 t\u011b\u017e\u0161\u00ed ne\u017e hlin\u00edk. <\/li>\n
              • Titan je st\u00e1le ~70% t\u011b\u017e\u0161\u00ed, i kdy\u017e pevn\u011bj\u0161\u00ed. <\/li>\n
              • Hlin\u00edk je v\u00fdhodn\u00fd z hlediska n\u00edzk\u00e9 hmotnosti, pevnosti a ceny.<\/li>\n<\/ul>\n

                V\u00fdhody designu<\/h3>\n
                  \n
                • Snadn\u011bj\u0161\u00ed manipulace a instalace. <\/li>\n
                • Ni\u017e\u0161\u00ed n\u00e1klady na dopravu, zejm\u00e9na u dlouh\u00fdch profil\u016f. <\/li>\n
                • Men\u0161\u00ed zat\u00ed\u017een\u00ed nosn\u00fdch konstrukc\u00ed budov nebo stroj\u016f.<\/li>\n<\/ul>\n

                  Vzpom\u00edn\u00e1m si, jak jsem instaloval ocelov\u00e9 r\u00e1my a pot\u0159eboval jsem dal\u0161\u00ed pracovn\u00ed s\u00edlu. U hlin\u00edkov\u00fdch verz\u00ed je snadno zvedli jen dva lid\u00e9.<\/p>\n

                  4. Jak udr\u017eiteln\u00e9 jsou hlin\u00edkov\u00e9 v\u00fdlisky ve srovn\u00e1n\u00ed s kompozitn\u00edmi materi\u00e1ly?<\/h2>\n

                  \"alt<\/p>\n

                  Udr\u017eitelnost je nyn\u00ed kl\u00ed\u010dov\u00fdm faktorem p\u0159i v\u00fdb\u011bru materi\u00e1l\u016f.<\/p>\n

                  Hlin\u00edk je vysoce udr\u017eiteln\u00fd d\u00edky recyklovatelnosti a n\u00edzk\u00e9mu mno\u017estv\u00ed odpadu. Kompozity se mohou zd\u00e1t ekologick\u00e9, ale \u010dasto postr\u00e1daj\u00ed recyklovatelnost v cel\u00e9m cyklu.<\/strong><\/p>\n

                  Udr\u017eitelnost \u017eivotn\u00edho cyklu<\/h3>\n\n\n\n\n\n\n\n\n
                  Materi\u00e1l<\/th>\nRecyklovatelnost<\/th>\nEnergie k recyklaci<\/th>\nOdpad ve v\u00fdrob\u011b<\/th>\n<\/tr>\n<\/thead>\n
                  Hlin\u00edk<\/td>\n100% recyklovateln\u00fd bez ztr\u00e1ty pevnosti<\/td>\n~5% prim\u00e1rn\u00ed produkce<\/td>\nOp\u011btovn\u00e9 pou\u017eit\u00ed s n\u00edzk\u00fdm mno\u017estv\u00edm \u0161rotu<\/td>\n<\/tr>\n
                  Ocel<\/td>\n100% recyklovateln\u00fd<\/td>\n~25% prim\u00e1rn\u00edho<\/td>\nVy\u0161\u0161\u00ed m\u00edra op\u011btovn\u00e9ho pou\u017eit\u00ed \u0161rotu<\/td>\n<\/tr>\n
                  PVC\/plast<\/td>\nOmezen\u00e1 recyklace, ni\u017e\u0161\u00ed kvalita<\/td>\nVysok\u00e1 energie, chemick\u00e9 probl\u00e9my<\/td>\nB\u011b\u017en\u00e1 recyklace<\/td>\n<\/tr>\n
                  Vl\u00e1knit\u00e9 kompozity<\/td>\nVelmi omezen\u00e1 recyklace<\/td>\nVelmi vysok\u00e9 teplo\/n\u00e1klady<\/td>\n\u0160rot se \u010dasto spaluje nebo skl\u00e1dkuje.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n
                    \n
                  • Hlin\u00edkov\u00fd \u0161rot se pln\u011b roztav\u00ed a znovu pou\u017eije p\u0159i n\u00edzk\u00fdch energetick\u00fdch n\u00e1kladech. <\/li>\n
                  • Ocel se tak\u00e9 dob\u0159e recykluje, ale hlin\u00edk je leh\u010d\u00ed na p\u0159epravu. <\/li>\n
                  • Plasty lze jednou recyklovat, ale \u010dasto kon\u010d\u00ed na skl\u00e1dce. <\/li>\n
                  • Kompozity se obt\u00ed\u017en\u011b recykluj\u00ed. \u010casto se \u0159e\u017eou a spaluj\u00ed nebo skl\u00e1dkuj\u00ed.<\/li>\n<\/ul>\n

                    Ekologick\u00e9 v\u00fdhody<\/h3>\n
                      \n
                    • Recyklovan\u00fd hlin\u00edk spot\u0159ebuje pouze 5% energie na v\u00fdrobu nov\u00e9ho. <\/li>\n
                    • Recyklace sni\u017euje emise sklen\u00edkov\u00fdch plyn\u016f a \u0161et\u0159\u00ed zdroje. <\/li>\n
                    • Kompozity \u010dasto pou\u017e\u00edvaj\u00ed toxick\u00e9 prysky\u0159ice a omezen\u00e9 mo\u017enosti ukon\u010den\u00ed \u017eivotnosti.<\/li>\n<\/ul>\n

                      Jednou jsem kontroloval jednu tov\u00e1rnu a v\u0161iml jsem si, \u017ee se v n\u00ed sb\u00edr\u00e1 hlin\u00edkov\u00fd odpad ur\u010den\u00fd k recyklaci. Vyd\u011blali pen\u00edze a t\u00edm se uzav\u0159el cyklus. Kompozitn\u00ed zku\u0161ebn\u00ed d\u00edly nikdo nerecykluje, jen je vyhazuj\u00ed.<\/p>\n

                      \n

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

                      Hlin\u00edkov\u00e9 v\u00fdlisky vyniknou, kdy\u017e pot\u0159ebujete lehk\u00e9, pevn\u00e9, odoln\u00e9 a udr\u017eiteln\u00e9 materi\u00e1ly. Ocel je pevn\u011bj\u0161\u00ed, ale t\u011b\u017ek\u00e1 a rezav\u00ed. PVC\/plast je levn\u00fd, ale deformuje se a opot\u0159ebov\u00e1v\u00e1. Kompozity p\u016fsob\u00ed jako \u0161pi\u010dkov\u00e1 technologie, ale \u010dasto kon\u010d\u00ed jako odpad. <\/p>\n

                      V\u00fdb\u011br hlin\u00edku pom\u00e1h\u00e1 va\u0161emu projektu dlouho vydr\u017eet, z\u016fstat lehk\u00fd a zanechat men\u0161\u00ed uhl\u00edkovou stopu.<\/p>\n

                      Ot\u00e1zky typu pravda\/nepravda<\/strong><\/p>\n

                      <\/svg> Hlin\u00edkov\u00e9 v\u00fdlisky jsou p\u0159i porovn\u00e1n\u00ed profil\u016f stejn\u00e9 velikosti o 70% leh\u010d\u00ed ne\u017e ocelov\u00e9.<\/b>Pravda<\/span><\/p>

                      Hustota oceli je t\u00e9m\u011b\u0159 t\u0159ikr\u00e1t vy\u0161\u0161\u00ed ne\u017e hustota hlin\u00edku, tak\u017ee hlin\u00edk je p\u0159i stejn\u00e9m objemu asi o 65?70% leh\u010d\u00ed.<\/p><\/div>\n

                      <\/svg> Kompozitn\u00ed v\u00fdlisky se recykluj\u00ed snadn\u011bji ne\u017e hlin\u00edk.<\/b>False<\/span><\/p>

                      Kompozity, jako jsou plasty vyztu\u017een\u00e9 vl\u00e1kny, se recykluj\u00ed velmi obt\u00ed\u017en\u011b, na rozd\u00edl od hlin\u00edku, kter\u00fd je pln\u011b recyklovateln\u00fd.<\/p><\/div>","protected":false},"excerpt":{"rendered":"

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