{"id":28349,"date":"2025-12-20T11:27:26","date_gmt":"2025-12-20T03:27:26","guid":{"rendered":"https:\/\/sinoextrud.com\/?p=28349"},"modified":"2025-12-20T11:27:26","modified_gmt":"2025-12-20T03:27:26","slug":"omezeni-pomeru-vytlacovani-hliniku","status":"publish","type":"post","link":"https:\/\/sinoextrud.com\/cs\/aluminum-extrusion-extrusion-ratio-limitations\/","title":{"rendered":"Omezen\u00ed pom\u011bru extruze hlin\u00edkov\u00fdch profil\u016f?"},"content":{"rendered":"

\"Hlin\u00edkov\u00fd
Hlin\u00edkov\u00fd vytla\u010dovac\u00ed profil pro \u010dist\u00e9 prostory<\/figcaption><\/figure>\n<\/p>\n

Vytla\u010dov\u00e1n\u00ed hlin\u00edku \u010dasto selh\u00e1v\u00e1, kdy\u017e je pom\u011br p\u0159\u00edli\u0161 posunut. Profily praskaj\u00ed, n\u00e1stroje se l\u00e1mou a n\u00e1klady rychle rostou. Mnoho kupuj\u00edc\u00edch se s t\u00edmto probl\u00e9mem setk\u00e1v\u00e1 a\u017e pot\u00e9, co jsou v\u00fdkresy ji\u017e opraveny.<\/p>\n

Pom\u011br vytla\u010dov\u00e1n\u00ed hlin\u00edkov\u00fdch profil\u016f je omezen nap\u011bt\u00edm p\u0159i toku kovu, stavem polotovaru, pevnost\u00ed matrice, typem slitiny a schopnost\u00ed lisu.<\/strong> Jakmile n\u011bkter\u00fd z faktor\u016f dos\u00e1hne sv\u00e9ho limitu, stabiln\u00ed vytla\u010dov\u00e1n\u00ed ji\u017e nen\u00ed mo\u017en\u00e9.<\/p>\n

Mnoz\u00ed konstrukt\u00e9\u0159i po\u017eaduj\u00ed vy\u0161\u0161\u00ed p\u0159evodov\u00e9 pom\u011bry, aby sn\u00ed\u017eili hmotnost nebo zkr\u00e1tili dobu obr\u00e1b\u011bn\u00ed. To d\u00e1v\u00e1 smysl. Vytla\u010dov\u00e1n\u00ed v\u0161ak nen\u00ed neomezen\u00e9. Znalost skute\u010dn\u00fdch limit\u016f pom\u00e1h\u00e1 vyhnout se p\u0159ed\u011bl\u00e1vk\u00e1m, zpo\u017ed\u011bn\u00edm a rizik\u016fm v oblasti kvality.<\/p>\n

Co omezuje pom\u011br vytla\u010dov\u00e1n\u00ed u hlin\u00edkov\u00fdch profil\u016f?<\/h2>\n

Pom\u011br vytla\u010dov\u00e1n\u00ed hlin\u00edku je pod\u00edl pr\u016f\u0159ezu polotovaru a kone\u010dn\u00e9ho pr\u016f\u0159ezu profilu. Teoreticky plat\u00ed, \u017ee vy\u0161\u0161\u00ed je lep\u0161\u00ed. V praxi se velmi brzy objev\u00ed n\u011bkolik fyzik\u00e1ln\u00edch limit\u016f.<\/p>\n

\"P\u016flkulat\u00e9
P\u016flkulat\u00e9 hlin\u00edkov\u00e9 v\u00fdlisky<\/figcaption><\/figure>\n<\/p>\n

Prvn\u00ed tvrd\u00e1 mez vych\u00e1z\u00ed z nap\u011bt\u00ed p\u0159i proud\u011bn\u00ed kovu. Hlin\u00edk se mus\u00ed deformovat a proj\u00edt otvorem z\u00e1pustky. S rostouc\u00edm pom\u011brem odpor rychle roste. Lis mus\u00ed vyvinout mnohem v\u011bt\u0161\u00ed s\u00edlu. Jakmile po\u017eadovan\u00e1 s\u00edla p\u0159ekro\u010d\u00ed kapacitu lisu, p\u0159estane b\u00fdt vytla\u010dov\u00e1n\u00ed mo\u017en\u00e9.<\/p>\n

Druh\u00fdm limitem je pevnost matrice. Vysok\u00fd pom\u011br znamen\u00e1 tenk\u00e9 otvory v matrici a velk\u00e9 d\u00e9lky lo\u017eisek. Zvy\u0161uje se nap\u011bt\u00ed uvnit\u0159 matrice. Pokud nap\u011bt\u00ed p\u0159ekro\u010d\u00ed pevnost oceli matrice, doch\u00e1z\u00ed k prasklin\u00e1m nebo zlomen\u00ed. \u017divotnost n\u00e1stroje prudce kles\u00e1 je\u0161t\u011b p\u0159ed jeho selh\u00e1n\u00edm.<\/p>\n

T\u0159et\u00ed limit vych\u00e1z\u00ed z teploty. P\u0159i vy\u0161\u0161\u00edch pom\u011brech vznik\u00e1 v\u011bt\u0161\u00ed t\u0159en\u00ed a deforma\u010dn\u00ed teplo. Pokud teplota kovu p\u0159\u00edli\u0161 vzroste, objev\u00ed se trh\u00e1n\u00ed povrchu a hork\u00e9 zkraty. Pokud teplota p\u0159\u00edli\u0161 klesne, zastav\u00ed se pr\u016ftok a dojde k n\u00e1r\u016fstu tlaku.<\/p>\n

Meze mechanick\u00e9 s\u00edly<\/h3>\n

Vytla\u010dovac\u00ed s\u00edla roste t\u00e9m\u011b\u0159 line\u00e1rn\u011b s vytla\u010dovac\u00edm pom\u011brem pro stejnou slitinu a velikost polotovaru. Lisovac\u00ed kapacita proto stanovuje pevn\u00fd strop.<\/p>\n\n\n\n\n\n\n\n
Faktor<\/th>\nVliv na vytla\u010dovac\u00ed pom\u011br<\/th>\n<\/tr>\n<\/thead>\n
Ton\u00e1\u017e lisu<\/td>\nP\u0159\u00edm\u00fd limit<\/td>\n<\/tr>\n
Pr\u016fm\u011br sochoru<\/td>\nV\u011bt\u0161\u00ed polena umo\u017e\u0148uj\u00ed vy\u0161\u0161\u00ed pom\u011bry<\/td>\n<\/tr>\n
Stav kontejneru<\/td>\nOpot\u0159ebovan\u00e9 kontejnery sni\u017euj\u00ed maxim\u00e1ln\u00ed pom\u011br<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

Pokud je s\u00edla p\u0159\u00edli\u0161 velk\u00e1, lisovac\u00ed sou\u010d\u00e1sti se rychleji unav\u00ed. Dlouhodob\u00e9 po\u0161kozen\u00ed \u010dasto stoj\u00ed v\u00edce ne\u017e zm\u011bna konstrukce.<\/p>\n

Limity nam\u00e1h\u00e1n\u00ed matrice<\/h3>\n

Nap\u011bt\u00ed v z\u00e1pustce se nestup\u0148uje jemn\u011b. Jakmile se otvory z\u00fa\u017e\u00ed, prudce stoup\u00e1.<\/p>\n

    \n
  • Tenk\u00e1 \u017eebra zvy\u0161uj\u00ed nap\u011bt\u00ed<\/li>\n
  • Dlouh\u00e1 lo\u017eiska zvy\u0161uj\u00ed nap\u011bt\u00ed<\/li>\n
  • Asymetrick\u00e9 profily zvy\u0161uj\u00ed nap\u011bt\u00ed<\/li>\n<\/ul>\n

    Jakmile je nap\u011bt\u00ed v z\u00e1pustce p\u0159\u00edli\u0161 vysok\u00e9, dojde k n\u00e1hl\u00e9mu selh\u00e1n\u00ed. Varov\u00e1n\u00ed je mal\u00e9.<\/p>\n

    Stabilita toku kov\u016f<\/h3>\n

    Vysok\u00e9 pom\u011bry zvy\u0161uj\u00ed nevyv\u00e1\u017eenost pr\u016ftoku. N\u011bkter\u00e9 z\u00f3ny zrychluj\u00ed, zat\u00edmco jin\u00e9 zaost\u00e1vaj\u00ed. To zp\u016fsobuje:<\/p>\n

      \n
    • Kroucen\u00ed<\/li>\n
    • Klan\u011bn\u00ed<\/li>\n
    • Povrchov\u00e9 linie<\/li>\n
    • Vnit\u0159n\u00ed dutiny<\/li>\n<\/ul>\n

      Stabiln\u00ed pr\u016ftok je s rostouc\u00edm pom\u011brem st\u00e1le obt\u00ed\u017en\u011bj\u0161\u00ed.<\/p>\n

      <\/svg> Pom\u011br vytla\u010dov\u00e1n\u00ed je omezen p\u0159edev\u0161\u00edm lisovac\u00ed silou a pevnost\u00ed matrice.<\/b>Pravda<\/span><\/p>

      Vy\u0161\u0161\u00ed vytla\u010dovac\u00ed pom\u011bry zvy\u0161uj\u00ed pot\u0159ebnou s\u00edlu a vnit\u0159n\u00ed nam\u00e1h\u00e1n\u00ed matrice, dokud nen\u00ed dosa\u017eeno limit\u016f za\u0159\u00edzen\u00ed nebo n\u00e1stroj\u016f.<\/p><\/div>\n

      <\/svg> Pom\u011br vytla\u010dov\u00e1n\u00ed hlin\u00edku nem\u00e1 \u017e\u00e1dnou skute\u010dnou horn\u00ed hranici, pokud je rychlost dostate\u010dn\u011b sn\u00ed\u017eena.<\/b>False<\/span><\/p>

      I p\u0159i velmi n\u00edzk\u00fdch ot\u00e1\u010dk\u00e1ch je kapacita lisu, pevnost matrice a fyzik\u00e1ln\u00ed vlastnosti toku kovu pevn\u011b omezuj\u00ed.<\/p><\/div>\n

      Jak ovliv\u0148uje volba slitiny dosa\u017eiteln\u00fd pom\u011br?<\/h2>\n

      V\u0161echny hlin\u00edkov\u00e9 slitiny se netla\u010d\u00ed stejn\u011b. Na v\u00fdb\u011bru slitiny \u010dasto z\u00e1le\u017e\u00ed v\u00edce ne\u017e na velikosti lisu.<\/p>\n

      \"Hlin\u00edkov\u00e9
      Hlin\u00edkov\u00e9 vytla\u010dov\u00e1n\u00ed 7003 7075 Hlin\u00edkov\u00fd profil pro pilates za\u0159\u00edzen\u00ed CNC p\u0159esn\u00fd hlin\u00edkov\u00fd profil<\/figcaption><\/figure>\n<\/p>\n

      M\u011bkk\u00e9 slitiny snadno te\u010dou. Tvrd\u00e9 slitiny odol\u00e1vaj\u00ed deformaci. To p\u0159\u00edmo ovliv\u0148uje dosa\u017eiteln\u00fd pom\u011br vytla\u010dov\u00e1n\u00ed.<\/p>\n

      Slitiny 6xxx jsou nejvhodn\u011bj\u0161\u00ed pro vytla\u010dov\u00e1n\u00ed. 6063 umo\u017e\u0148uje mnohem vy\u0161\u0161\u00ed pom\u011bry ne\u017e 6061. 6082 umo\u017e\u0148uje ni\u017e\u0161\u00ed pom\u011bry ne\u017e ob\u011b. Slitiny 7xxx jsou mnohem omezen\u011bj\u0161\u00ed.<\/p>\n

      Rozd\u00edly nap\u011bt\u00ed p\u0159i proud\u011bn\u00ed podle slitiny<\/h3>\n

      Ka\u017ed\u00e1 slitina m\u00e1 p\u0159i teplot\u011b vytla\u010dov\u00e1n\u00ed jin\u00e9 nap\u011bt\u00ed toku. Vy\u0161\u0161\u00ed nap\u011bt\u00ed p\u0159i proud\u011bn\u00ed znamen\u00e1 v\u011bt\u0161\u00ed s\u00edlu a ni\u017e\u0161\u00ed maxim\u00e1ln\u00ed pom\u011br.<\/p>\n\n\n\n\n\n\n\n\n\n
      Rodina slitin<\/th>\nSchopnost relativn\u00edho vytla\u010dovac\u00edho pom\u011bru<\/th>\n<\/tr>\n<\/thead>\n
      1xxx<\/td>\nVelmi vysok\u00e1<\/td>\n<\/tr>\n
      3xxx<\/td>\nVysok\u00e1<\/td>\n<\/tr>\n
      5xxx<\/td>\nSt\u0159edn\u00ed<\/td>\n<\/tr>\n
      6xxx<\/td>\nVysok\u00e1 a\u017e st\u0159edn\u00ed<\/td>\n<\/tr>\n
      7xxx<\/td>\nN\u00edzk\u00e1<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

      6063-T5 m\u016f\u017ee za dobr\u00fdch podm\u00ednek \u010dasto dos\u00e1hnout pom\u011bru nad 80:1. 6061-T6 m\u016f\u017ee m\u00edt probl\u00e9my s pom\u011brem nad 50:1. N\u011bkter\u00e9 slitiny 7xxx jsou omezeny na m\u00e9n\u011b ne\u017e 20:1.<\/p>\n

      Chemick\u00e9 \u00fa\u010dinky slitiny<\/h3>\n

      Drobn\u00e9 chemick\u00e9 zm\u011bny maj\u00ed v\u00fdznam.<\/p>\n

        \n
      • Vy\u0161\u0161\u00ed obsah ho\u0159\u010d\u00edku zvy\u0161uje pevnost, ale sni\u017euje pr\u016ftok<\/li>\n
      • K\u0159em\u00edk zlep\u0161uje vytla\u010ditelnost<\/li>\n
      • M\u011b\u010f sni\u017euje vytla\u010ditelnost<\/li>\n<\/ul>\n

        Recyklovan\u00fd obsah m\u016f\u017ee tak\u00e9 zv\u00fd\u0161it obsah ne\u010distot, co\u017e sni\u017euje konzistenci toku p\u0159i vysok\u00fdch pom\u011brech.<\/p>\n

        Vliv tepeln\u00e9ho zpracov\u00e1n\u00ed<\/h3>\n

        Vytla\u010dov\u00e1n\u00ed se prov\u00e1d\u00ed za horka, ale na reakci slitiny st\u00e1le z\u00e1le\u017e\u00ed.<\/p>\n

          \n
        • Homogenizovan\u00e9 polotovary l\u00e9pe te\u010dou<\/li>\n
        • \u0160patn\u00e1 homogenizace zvy\u0161uje tlakov\u00e9 \u0161pi\u010dky<\/li>\n
        • Nerovnom\u011brn\u00fd chemick\u00fd slo\u017een\u00ed polotovar\u016f zp\u016fsobuje nevyv\u00e1\u017eenost toku<\/li>\n<\/ul>\n

          Volba nespr\u00e1vn\u00e9 slitiny pro tenk\u00fd profil \u010dasto vede k p\u0159ekro\u010den\u00ed bezpe\u010dn\u00fdch mez\u00ed.<\/p>\n

          <\/svg> Hlin\u00edk 6063 obvykle dosahuje vy\u0161\u0161\u00edch vytla\u010dovac\u00edch pom\u011br\u016f ne\u017e 6061.<\/b>Pravda<\/span><\/p>

          6063 m\u00e1 ni\u017e\u0161\u00ed nap\u011bt\u00ed p\u0159i toku a lep\u0161\u00ed vytla\u010ditelnost, co\u017e umo\u017e\u0148uje vy\u0161\u0161\u00ed pom\u011bry za podobn\u00fdch podm\u00ednek.<\/p><\/div>\n

          <\/svg> V\u0161echny slitiny 6xxx maj\u00ed t\u00e9m\u011b\u0159 identick\u00e9 limity vytla\u010dovac\u00edho pom\u011bru.<\/b>False<\/span><\/p>

          Dokonce i v r\u00e1mci jedn\u00e9 rodiny zp\u016fsobuj\u00ed chemick\u00e9 a pevnostn\u00ed rozd\u00edly velk\u00e9 rozd\u00edly v dosa\u017eiteln\u00fdch pom\u011brech.<\/p><\/div>\n

          Mohou tenkost\u011bnn\u00e9 profily dos\u00e1hnout vysok\u00fdch vytla\u010dovac\u00edch pom\u011br\u016f?<\/h2>\n

          Tenk\u00e9 st\u011bny jsou nej\u010dast\u011bj\u0161\u00edm d\u016fvodem, pro\u010d jsou vytla\u010dovac\u00ed pom\u011bry p\u0159\u00edli\u0161 vysok\u00e9.<\/p>\n

          \"Hlin\u00edkov\u00e1
          Hlin\u00edkov\u00e1 vytla\u010dovac\u00ed deska<\/figcaption><\/figure>\n<\/p>\n

          Na mnoha v\u00fdkresech je tlou\u0161\u0165ka st\u011bny sn\u00ed\u017eena z d\u016fvodu \u00faspory hmotnosti. Tenk\u00e9 st\u011bny v\u0161ak z\u00e1rove\u0148 zvy\u0161uj\u00ed pom\u011br vytla\u010dov\u00e1n\u00ed a nap\u011bt\u00ed v z\u00e1pustce. To je nebezpe\u010dn\u00e1 kombinace.<\/p>\n

          Tlou\u0161\u0165ka st\u011bny v z\u00e1vislosti na pom\u011bru<\/h3>\n

          S klesaj\u00edc\u00ed tlou\u0161\u0165kou st\u011bny se zmen\u0161uje plocha profilu. Pom\u011br rychle roste.<\/p>\n\n\n\n\n\n\n\n\n
          Tlou\u0161\u0165ka st\u011bny<\/th>\nTypick\u00fd rozsah bezpe\u010dn\u00e9ho pom\u011bru<\/th>\n<\/tr>\n<\/thead>\n
          Nad 3,0 mm<\/td>\n30:1 a\u017e 60:1<\/td>\n<\/tr>\n
          2,0 a\u017e 3,0 mm<\/td>\n40:1 a\u017e 80:1<\/td>\n<\/tr>\n
          1,0 a\u017e 2,0 mm<\/td>\n50:1 a\u017e 100:1<\/td>\n<\/tr>\n
          Pod 1,0 mm<\/td>\nVysoce rizikov\u00e9<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

          Tenk\u00e9 st\u011bny pod 1,2 mm \u010dasto vy\u017eaduj\u00ed speci\u00e1ln\u00ed slitiny, n\u00edzk\u00e9 rychlosti a kr\u00e1tkou \u017eivotnost matrice.<\/p>\n

          Probl\u00e9my s rovnov\u00e1hou toku<\/h3>\n

          Tenk\u00e9 \u010d\u00e1sti se ochlazuj\u00ed rychleji. Siln\u00e9 \u010d\u00e1sti z\u016fst\u00e1vaj\u00ed d\u00e9le hork\u00e9. To zp\u016fsobuje nerovnom\u011brn\u00e9 proud\u011bn\u00ed.<\/p>\n

            \n
          • Tenk\u00e9 st\u011bny brzy zamrzaj\u00ed<\/li>\n
          • Siln\u00e9 st\u011bny udr\u017euj\u00ed tok<\/li>\n
          • Profil se na v\u00fdstupu zkresluje<\/li>\n<\/ul>\n

            Vysok\u00fd pom\u011br to je\u0161t\u011b zhor\u0161uje, proto\u017ee rozd\u00edly v rychlosti proud\u011bn\u00ed rostou.<\/p>\n

            Struktur\u00e1ln\u00ed limity v\u00fdlisku<\/h3>\n

            Velmi tenk\u00e9 st\u011bny vy\u017eaduj\u00ed velmi tenk\u00e9 z\u00e1pustky. Tyto jazyky se p\u0159i vysok\u00e9m zat\u00ed\u017een\u00ed oh\u00fdbaj\u00ed nebo l\u00e1mou.<\/p>\n

            I kdy\u017e je vytla\u010dov\u00e1n\u00ed mo\u017en\u00e9, m\u016f\u017ee b\u00fdt m\u00edra zmetk\u016f vysok\u00e1.<\/p>\n

            Tenk\u00e9 st\u011bny mohou dos\u00e1hnout vysok\u00fdch pom\u011br\u016f pouze tehdy, kdy\u017e:<\/p>\n

              \n
            • Slitina je m\u011bkk\u00e1<\/li>\n
            • Tisk je velk\u00fd<\/li>\n
            • Rychlost je velmi n\u00edzk\u00e1<\/li>\n
            • Konstrukce matrice je optimalizovan\u00e1<\/li>\n<\/ul>\n

              To prudce zvy\u0161uje n\u00e1klady.<\/p>\n

              <\/svg> Tenkost\u011bnn\u00e9 hlin\u00edkov\u00e9 profily mohou dos\u00e1hnout vysok\u00fdch vytla\u010dovac\u00edch pom\u011br\u016f pouze za kontrolovan\u00fdch podm\u00ednek.<\/b>Pravda<\/span><\/p>

              Tenk\u00e9 st\u011bny zvy\u0161uj\u00ed nap\u011bt\u00ed v z\u00e1pustce a nerovnov\u00e1hu toku, co\u017e vy\u017eaduje optimalizaci slitiny, rychlosti a n\u00e1stroj\u016f.<\/p><\/div>\n

              <\/svg> Tlou\u0161\u0165ka st\u011bny m\u00e1 na limity vytla\u010dovac\u00edho pom\u011bru mal\u00fd vliv.<\/b>False<\/span><\/p>

              Tlou\u0161\u0165ka st\u011bny p\u0159\u00edmo ovliv\u0148uje plochu profilu, nap\u011bt\u00ed v z\u00e1pustce a stabilitu toku kovu.<\/p><\/div>\n

              Kter\u00e9 v\u00fdrobn\u00ed parametry definuj\u00ed maxim\u00e1ln\u00ed vytla\u010dovac\u00ed pom\u011bry?<\/h2>\n

              I v p\u0159\u00edpad\u011b spr\u00e1vn\u00e9 slitiny a konstrukce rozhoduj\u00ed o kone\u010dn\u00e9 hranici v\u00fdrobn\u00ed parametry.<\/p>\n

              \"20
              20 mm X 20 mm hlin\u00edkov\u00fd v\u00fdlisek<\/figcaption><\/figure>\n<\/p>\n

              Tyto parametry jsou \u010dasto nastaviteln\u00e9, ale pouze v \u00fazk\u00e9m bezpe\u010dn\u00e9m rozsahu.<\/p>\n

              Teplota polotovaru<\/h3>\n

              Teplota sochoru \u0159\u00edd\u00ed nap\u011bt\u00ed proud\u011bn\u00ed.<\/p>\n

                \n
              • P\u0159\u00edli\u0161 n\u00edzk\u00fd tlak: tlakov\u00e9 \u0161pi\u010dky, po\u0161kozen\u00ed t\u011bla<\/li>\n
              • P\u0159\u00edli\u0161 vysok\u00e1: trh\u00e1n\u00ed povrchu, r\u016fst zrn<\/li>\n<\/ul>\n

                Vy\u0161\u0161\u00ed p\u0159evodov\u00e9 pom\u011bry vy\u017eaduj\u00ed vy\u0161\u0161\u00ed teplotu polotovaru, ale jen do ur\u010dit\u00e9 m\u00edry.<\/p>\n

                Rychlost vytla\u010dov\u00e1n\u00ed<\/h3>\n

                Pomalej\u0161\u00ed ot\u00e1\u010dky m\u00edrn\u011b sni\u017euj\u00ed tlak a zlep\u0161uj\u00ed stabilitu proud\u011bn\u00ed.<\/p>\n

                  \n
                • Vysok\u00fd pom\u011br \u010dasto vy\u017eaduje n\u00edzkou rychlost<\/li>\n
                • P\u0159\u00edli\u0161 pomal\u00e9 sni\u017euje produktivitu<\/li>\n
                • P\u0159\u00edli\u0161 rychl\u00e9 zp\u016fsobuje povrchov\u00e9 vady<\/li>\n<\/ul>\n

                  Nastaven\u00ed rychlosti nem\u016f\u017ee p\u0159ekonat limity lisu nebo matrice.<\/p>\n

                  Maz\u00e1n\u00ed a stav n\u00e1doby<\/h3>\n

                  T\u0159en\u00ed zvy\u0161uje zat\u00ed\u017een\u00ed.<\/p>\n

                    \n
                  • Opot\u0159ebovan\u00e9 n\u00e1doby zvy\u0161uj\u00ed t\u0159en\u00ed<\/li>\n
                  • \u0160patn\u00e9 maz\u00e1n\u00ed zvy\u0161uje tlak<\/li>\n
                  • Zne\u010di\u0161t\u011bn\u00e9 povrchy polotovar\u016f zvy\u0161uj\u00ed odolnost<\/li>\n<\/ul>\n

                    Dobr\u00e1 \u00fadr\u017eba m\u016f\u017ee prodlou\u017eit mezn\u00ed hodnoty pom\u011bru o 5 a\u017e 10 procent.<\/p>\n

                    Parametry konstrukce matrice<\/h3>\n

                    Konstrukce matrice je nejv\u011bt\u0161\u00ed p\u00e1kou po v\u00fdb\u011bru slitiny.<\/p>\n

                      \n
                    • D\u00e9lka lo\u017eiska \u0159\u00edd\u00ed pr\u016ftok<\/li>\n
                    • Kapesn\u00ed konstrukce vyrovn\u00e1v\u00e1 rychlost<\/li>\n
                    • Kvalita z\u00e1pustkov\u00e9 oceli ovliv\u0148uje pevnost<\/li>\n<\/ul>\n

                      \u0160patn\u00fd n\u00e1vrh matrice m\u016f\u017ee sn\u00ed\u017eit dosa\u017eiteln\u00fd pom\u011br na polovinu.<\/p>\n\n\n\n\n\n\n\n\n
                      Parametr<\/th>\nVliv na maxim\u00e1ln\u00ed pom\u011br<\/th>\n<\/tr>\n<\/thead>\n
                      Teplota kulatiny<\/td>\nSt\u0159edn\u00ed<\/td>\n<\/tr>\n
                      Rychlost<\/td>\nSt\u0159edn\u00ed<\/td>\n<\/tr>\n
                      Konstrukce matrice<\/td>\nVysok\u00e1<\/td>\n<\/tr>\n
                      \u00dadr\u017eba<\/td>\nSt\u0159edn\u00ed<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

                      Tuhost a vyrovn\u00e1n\u00ed lisu<\/h3>\n

                      Star\u0161\u00ed lisy se p\u0159i zat\u00ed\u017een\u00ed v\u00edce proh\u00fdbaj\u00ed. To zp\u016fsobuje nerovnom\u011brn\u00fd tok a koncentraci nap\u011bt\u00ed v lisu. Modern\u00ed lisy zvl\u00e1daj\u00ed vysok\u00e9 pom\u011bry l\u00e9pe i p\u0159i podobn\u00e9 ton\u00e1\u017ei.<\/p>\n

                      <\/svg> Konstrukce formy m\u00e1 v\u011bt\u0161\u00ed vliv na maxim\u00e1ln\u00ed vytla\u010dovac\u00ed pom\u011br ne\u017e rychlost vytla\u010dov\u00e1n\u00ed.<\/b>Pravda<\/span><\/p>

                      Optimalizovan\u00e1 geometrie matrice zlep\u0161uje pr\u016ftok a sni\u017euje nap\u011bt\u00ed mnohem v\u00edce ne\u017e samotn\u00e9 zm\u011bny rychlosti.<\/p><\/div>\n

                      <\/svg> Zv\u00fd\u0161en\u00edm teploty polotovaru lze v\u017edy bezpe\u010dn\u011b zv\u00fd\u0161it vytla\u010dovac\u00ed pom\u011br.<\/b>False<\/span><\/p>

                      P\u0159\u00edli\u0161 vysok\u00e1 teplota zp\u016fsobuje povrchov\u00e9 vady a nestabilitu materi\u00e1lu.<\/p><\/div>\n

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

                      Pom\u011br vytla\u010dov\u00e1n\u00ed hlin\u00edku je omezen fyzikou, n\u00e1stroji, slitinou a \u0159\u00edzen\u00edm procesu. P\u0159ekro\u010den\u00ed t\u011bchto limit\u016f zvy\u0161uje n\u00e1klady a rizika. V\u010dasn\u00e9 pochopen\u00ed skute\u010dn\u00fdch hranic vede k lep\u0161\u00edm n\u00e1vrh\u016fm a stabiln\u00ed v\u00fdrob\u011b.<\/p>","protected":false},"excerpt":{"rendered":"

                      Aluminum Extrusion Profile For Clean Room Aluminum extrusion often fails when the ratio is pushed too far. Profiles crack, tools break, and costs rise fast. Many buyers face this problem after drawings are already fixed. The extrusion ratio of aluminum profiles is limited by metal flow stress, billet condition, die strength, alloy type, and press […]<\/p>\n","protected":false},"author":6,"featured_media":7599,"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-28349","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\/28349","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=28349"}],"version-history":[{"count":0,"href":"https:\/\/sinoextrud.com\/cs\/wp-json\/wp\/v2\/posts\/28349\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/sinoextrud.com\/cs\/wp-json\/wp\/v2\/media\/7599"}],"wp:attachment":[{"href":"https:\/\/sinoextrud.com\/cs\/wp-json\/wp\/v2\/media?parent=28349"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/sinoextrud.com\/cs\/wp-json\/wp\/v2\/categories?post=28349"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/sinoextrud.com\/cs\/wp-json\/wp\/v2\/tags?post=28349"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}