{"id":9587,"date":"2025-06-27T02:28:08","date_gmt":"2025-06-27T02:28:08","guid":{"rendered":"https:\/\/sinoextrud.com\/?p=9587"},"modified":"2025-06-27T02:28:08","modified_gmt":"2025-06-27T02:28:08","slug":"nejlepsi-hlinik-pro-ohybani-ktera-hlinikova-slitina-je-nejlepsi","status":"publish","type":"post","link":"https:\/\/sinoextrud.com\/cs\/best-aluminum-for-bending-which-aluminum-alloy-is-best\/","title":{"rendered":"Nejlep\u0161\u00ed hlin\u00edk pro oh\u00fdb\u00e1n\u00ed: Kter\u00e1 hlin\u00edkov\u00e1 slitina je nejlep\u0161\u00ed?"},"content":{"rendered":"

\"Pru\u017en\u00fd
M\u011bkce oh\u00fdban\u00e9 hlin\u00edkov\u00e9 \u00fahlov\u00e9 profily ide\u00e1ln\u00ed pro zak\u00e1zkovou v\u00fdrobu<\/figcaption><\/figure>\n<\/p>\n

V\u00edm, \u017ee mnoho konstrukt\u00e9r\u016f se ob\u00e1v\u00e1 prasklin p\u0159i oh\u00fdb\u00e1n\u00ed hlin\u00edku. Cht\u011bj\u00ed kov, kter\u00fd se oh\u00fdb\u00e1 hladce.<\/p>\n

Slitiny jako 5052 a 3003 jsou nejlep\u0161\u00ed pro oh\u00fdb\u00e1n\u00ed - jsou m\u011bkk\u00e9 a odoln\u00e9 proti prask\u00e1n\u00ed.<\/strong><\/p>\n

V tomto \u010dl\u00e1nku se dozv\u00edte, kter\u00e9 slitiny se dob\u0159e oh\u00fdbaj\u00ed a pro\u010d je to d\u016fle\u017eit\u00e9.<\/p>\n

\n

Kter\u00e1 hlin\u00edkov\u00e1 slitina je nejlep\u0161\u00ed pro oh\u00fdb\u00e1n\u00ed?<\/h2>\n

Kdysi jsem pracoval s hobby obr\u00e1b\u011b\u010di. Zkou\u0161eli jsme oh\u00fdbat p\u00e1sy 6061 a 5052. P\u00e1sky 6061 praskaly, zat\u00edmco 5052 se \u00fahledn\u011b oh\u00fdbaly kolem tvarovek.<\/p>\n

Pro oh\u00fdb\u00e1n\u00ed jsou nejvhodn\u011bj\u0161\u00ed slitiny 5052-H32 a 3003-H14. Maj\u00ed n\u00edzkou mez kluzu, dobrou ta\u017enost a odol\u00e1vaj\u00ed prask\u00e1n\u00ed v ohybu.<\/strong><\/p>\n

\"Hlin\u00edkov\u00fd
P\u0159esn\u00e9 trubky vhodn\u00e9 pro oh\u00fdb\u00e1n\u00ed bez prask\u00e1n\u00ed<\/figcaption><\/figure>\n<\/p>\n

Pono\u0159te se hloub\u011bji: Vlastnosti slitiny a ohybatelnost<\/h3>\n

Slitiny hlin\u00edku maj\u00ed r\u016fzn\u00fd obsah ho\u0159\u010d\u00edku nebo m\u011bdi. To ovliv\u0148uje jejich pru\u017enost.<\/p>\n

    \n
  • \n

    5052-H32<\/strong> <\/p>\n

      \n
    • Ho\u0159\u010d\u00edk ~2.5% <\/li>\n
    • Mez kluzu ~193?MPa <\/li>\n
    • Vysok\u00e1 ta\u017enost, dobr\u00e1 odolnost proti korozi <\/li>\n
    • Pou\u017e\u00edv\u00e1 se v panelech, n\u00e1mo\u0159n\u00edch prac\u00edch<\/li>\n<\/ul>\n<\/li>\n
    • \n

      3003-H14<\/strong> <\/p>\n

        \n
      • Mangan ~1.0% <\/li>\n
      • Mez kluzu ~145?MPa <\/li>\n
      • M\u011bkk\u00e9 a snadno tvarovateln\u00e9 <\/li>\n
      • Vhodn\u00e9 pro kuchy\u0148sk\u00e9 n\u00e1dob\u00ed a oh\u00fdb\u00e1n\u00ed<\/li>\n<\/ul>\n<\/li>\n
      • \n

        1100-H24<\/strong> <\/p>\n

          \n
        • Komer\u010dn\u00ed \u010distota (~99%) <\/li>\n
        • Mez kluzu ~55?MPa <\/li>\n
        • Velmi m\u011bkk\u00e9, ale ne siln\u00e9 <\/li>\n
        • Snadno se oh\u00fdb\u00e1, ale nen\u00ed konstruk\u010dn\u011b pevn\u00fd.<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n\n\n\n\n\n\n\n
          Slitina<\/th>\nMez kluzu (MPa)<\/th>\nTvarovatelnost<\/th>\nB\u011b\u017en\u00e9 pou\u017eit\u00ed<\/th>\n<\/tr>\n<\/thead>\n
          5052-H32<\/td>\n~193<\/td>\nVysok\u00e1<\/td>\nMo\u0159sk\u00e9 panely, oh\u00fdban\u00e9 dr\u017e\u00e1ky<\/td>\n<\/tr>\n
          3003-H14<\/td>\n~145<\/td>\nVelmi vysok\u00e1<\/td>\nLehk\u00e9 ohyby, vzduchotechnick\u00e9 potrub\u00ed<\/td>\n<\/tr>\n
          1100-H24<\/td>\n~55<\/td>\nExtr\u00e9mn\u011b vysok\u00e1<\/td>\nOzdobn\u00e9 ohyby, v\u00fdstavn\u00ed pr\u00e1ce<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

          Jednou jsem ohnul 1?mm 5052 kolem polom\u011bru 10?cm bez prasknut\u00ed. To mi uk\u00e1zalo, pro\u010d na slitin\u011b z\u00e1le\u017e\u00ed. Tvrd\u0161\u00ed slitiny praskaj\u00ed nebo pru\u017e\u00ed.<\/p>\n

          \u010cas na kv\u00edz:<\/strong>
          \n

          <\/svg> Slitina 6061 je stejn\u011b tv\u00e1\u0159iteln\u00e1 jako slitina 5052.<\/b>False<\/span><\/p>

          6061 je mnohem tvrd\u0161\u00ed a p\u0159i t\u011bsn\u00fdch ohybech prask\u00e1.<\/p><\/div>
          \n

          <\/svg> 3003-H14 se oh\u00fdb\u00e1 snadn\u011bji ne\u017e 5052-H32.<\/b>Pravda<\/span><\/p>

          3003-H14 m\u00e1 ni\u017e\u0161\u00ed mez kluzu a v\u011bt\u0161\u00ed ta\u017enost.<\/p><\/div><\/p>\n

          \n

          Jak p\u0159ipravit hlin\u00edk na oh\u00fdb\u00e1n\u00ed?<\/h2>\n

          M\u011bl jsem p\u0159\u00edpad, kdy \u010d\u00e1ste\u010dn\u011b nat\u0159en\u00fd panel p\u0159i oh\u00fdb\u00e1n\u00ed praskl v \u010d\u00e1\u0159e laku. To mi uk\u00e1zalo, \u017ee na p\u0159\u00edprav\u011b z\u00e1le\u017e\u00ed.<\/p>\n

          Chcete-li oh\u00fdbat hlin\u00edk \u010dist\u011b, m\u011bli byste odstranit povlaky, v p\u0159\u00edpad\u011b pot\u0159eby jej vy\u017e\u00edhat a p\u0159esn\u011b ozna\u010dit linie ohybu.<\/strong><\/p>\n

          \"Tvarovateln\u00fd
          Snadno oh\u00fdbateln\u00e9 vytla\u010dovac\u00ed trubky pro HVAC a konstruk\u010dn\u00ed aplikace<\/figcaption><\/figure>\n<\/p>\n

          Pono\u0159te se hloub\u011bji: P\u0159\u00edpravn\u00e9 kroky pro oh\u00fdb\u00e1n\u00ed<\/h3>\n
            \n
          1. \n

            \u010ci\u0161t\u011bn\u00ed povrchu<\/strong> <\/p>\n

              \n
            • Odstran\u011bn\u00ed oleje, mastnoty a barvy <\/li>\n
            • Pou\u017eijte isopropylalkohol nebo aceton <\/li>\n
            • \u010cist\u00fd povrch pom\u00e1h\u00e1 rovnom\u011brn\u00e9mu ohybu a omezuje prask\u00e1n\u00ed<\/li>\n<\/ul>\n<\/li>\n
            • \n

              \u017d\u00edh\u00e1n\u00ed (voliteln\u00e9)<\/strong> <\/p>\n

                \n
              • Zah\u0159ejte slitinu na 300-350?\u00b0C a pot\u00e9 pomalu ochla\u010fte. <\/li>\n
              • Zm\u011bk\u010duje tvrd\u0161\u00ed temperamenty, jako je H32 nebo H14. <\/li>\n
              • Usnad\u0148uje oh\u00fdb\u00e1n\u00ed s men\u0161\u00edm mno\u017estv\u00edm prasklin<\/li>\n<\/ul>\n<\/li>\n
              • \n

                Ozna\u010dte a zm\u011b\u0159te<\/strong> <\/p>\n

                  \n
                • Pro ohybov\u00e9 \u010d\u00e1ry pou\u017eijte p\u00edskova\u010d nebo fix <\/li>\n
                • Zahrnout v\u00fdpo\u010det p\u0159\u00edsp\u011bvku na ohyb <\/li>\n
                • Pom\u00e1h\u00e1 p\u0159esn\u011b se\u0159\u00eddit z\u00e1pustku nebo brzdu<\/li>\n<\/ul>\n<\/li>\n
                • \n

                  O\u0161et\u0159en\u00ed hran<\/strong> <\/p>\n

                    \n
                  • Zaoblen\u00ed nebo m\u00edrn\u00e9 zkosen\u00ed hran <\/li>\n
                  • Ostr\u00e9 hrany jsou nam\u00e1h\u00e1ny a praskaj\u00ed<\/li>\n<\/ul>\n<\/li>\n
                  • \n

                    Maz\u00e1n\u00ed<\/strong> <\/p>\n

                      \n
                    • Pou\u017eijte lehk\u00fd olej nebo such\u00fd film <\/li>\n
                    • Pom\u00e1h\u00e1 toku hlin\u00edku v n\u00e1stroj\u00edch<\/li>\n<\/ul>\n<\/li>\n
                    • \n

                      Zaji\u0161t\u011bn\u00ed a podpora<\/strong> <\/p>\n

                        \n
                      • Pou\u017eit\u00ed podlo\u017eek nebo z\u00e1lo\u017en\u00edch podp\u011br <\/li>\n
                      • Sni\u017euje otlaky a nerovnom\u011brn\u00fd ohyb<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n

                        \u017d\u00edh\u00e1n\u00ed mi pomohlo, kdy\u017e jsem ohnul 5052-H32 asi t\u0159ikr\u00e1t t\u011bsn\u011bji, ne\u017e je jeho jmenovit\u00fd polom\u011br ohybu. Po \u0159\u00e1dn\u00e9m zah\u0159\u00e1t\u00ed a ochlazen\u00ed nevznikly \u017e\u00e1dn\u00e9 praskliny.<\/p>\n

                        \u010cas na kv\u00edz:<\/strong>
                        \n

                        <\/svg> \u010ci\u0161t\u011bn\u00ed hlin\u00edku p\u0159ed oh\u00fdb\u00e1n\u00edm nen\u00ed nutn\u00e9.<\/b>False<\/span><\/p>

                        Zbytky ovliv\u0148uj\u00ed kvalitu ohybu a mohou zp\u016fsobit prask\u00e1n\u00ed.<\/p><\/div>
                        \n

                        <\/svg> \u017d\u00edh\u00e1n\u00ed hlin\u00edku p\u0159ed oh\u00fdb\u00e1n\u00edm pom\u00e1h\u00e1 omezit prask\u00e1n\u00ed.<\/b>Pravda<\/span><\/p>

                        Zah\u0159\u00edv\u00e1n\u00edm se kov zm\u011bk\u010duje a zlep\u0161uje se jeho ta\u017enost p\u0159i oh\u00fdb\u00e1n\u00ed.<\/p><\/div><\/p>\n

                        \n

                        Jak\u00e9 techniky oh\u00fdb\u00e1n\u00ed zaji\u0161\u0165uj\u00ed minim\u00e1ln\u00ed prask\u00e1n\u00ed?<\/h2>\n

                        Jednou jsem ohnul dlouh\u00fd v\u00fdlisek na 90\u00b0 pro z\u00e1bradl\u00ed. Pou\u017eil jsem t\u0159\u00edv\u00e1lcovou oh\u00fdba\u010dku a p\u0159ednastaven\u00fd tlak. V\u00fdsledek byl hladk\u00fd a bez prasklin.<\/p>\n

                        Pou\u017eit\u00ed spr\u00e1vn\u00e9ho n\u00e1stroje, kontrola polom\u011bru ohybu a pou\u017eit\u00ed technik sekvence ohyb\u016f minimalizuj\u00ed vznik trhlin.<\/strong><\/p>\n

                        \"Hlin\u00edkov\u00fd
                        Hlin\u00edkov\u00fd profil s minim\u00e1ln\u00edm rizikem vzniku trhlin<\/figcaption><\/figure>\n<\/p>\n

                        Pono\u0159te se hloub\u011bji: Metody a tipy pro oh\u00fdb\u00e1n\u00ed<\/h3>\n

                        1. Pou\u017eijte brzdov\u00fd lis, oh\u00fdba\u010dku nebo ru\u010dn\u00ed brzdu.<\/h4>\n
                          \n
                        • Pomalob\u011b\u017en\u00e1 lisovac\u00ed brzda<\/strong> s V-die <\/li>\n
                        • Oh\u00fdba\u010dka se t\u0159emi v\u00e1lci<\/strong> vhodn\u00e9 pro trubky nebo profily <\/li>\n
                        • Ru\u010dn\u00ed brzda<\/strong> pro plechy do tlou\u0161\u0165ky 2?mm<\/li>\n<\/ul>\n

                          2. Polom\u011br kontroln\u00edho ohybu<\/h4>\n
                            \n
                          • Minim\u00e1ln\u00ed polom\u011br by m\u011bl b\u00fdt \u2265 1\u00d7 tlou\u0161\u0165ka pro 5052 a 2\u00d7 pro tvrd\u0161\u00ed slitiny. <\/li>\n
                          • T\u011bsn\u00e9 ohyby s mal\u00fdm polom\u011brem \u010dasto praskaj\u00ed <\/li>\n
                          • V\u017edy zkontrolujte specifikace slitiny pro doporu\u010den\u00fd limit<\/li>\n<\/ul>\n

                            3. Pro t\u011bsn\u00e9 ohyby pou\u017eijte odleh\u010dovac\u00ed \u0159ezy<\/h4>\n
                              \n
                            • U v\u00fdlisk\u016f zabra\u0148uj\u00ed deformaci mal\u00e9 reli\u00e9fn\u00ed otvory nebo z\u00e1\u0159ezy. <\/li>\n
                            • Materi\u00e1l mezi \u0159ezy se \u010dist\u011b oh\u00fdb\u00e1<\/li>\n<\/ul>\n

                              4. Sekvence oh\u00fdb\u00e1n\u00ed<\/h4>\n
                                \n
                              • Postupn\u00e9 oh\u00fdb\u00e1n\u00ed dlouh\u00fdch profil\u016f <\/li>\n
                              • V\u00edce mal\u00fdch ohyb\u016f je snaz\u0161\u00ed ne\u017e jeden velk\u00fd <\/li>\n
                              • Nechte materi\u00e1l mezi ohyby odpo\u010d\u00edvat<\/li>\n<\/ul>\n

                                5. Povrch a zarovn\u00e1n\u00ed n\u00e1stroje<\/h4>\n
                                  \n
                                • Tup\u00e9 nebo zne\u010di\u0161t\u011bn\u00e9 matrice zp\u016fsobuj\u00ed \u0161kr\u00e1bance nebo trhliny. <\/li>\n
                                • Polom\u011br ovinut\u00ed matrice mus\u00ed odpov\u00eddat materi\u00e1lu <\/li>\n
                                • Vycentrujte a vyrovnejte d\u00edl, aby nedo\u0161lo k jeho zkroucen\u00ed<\/li>\n<\/ul>\n

                                  6. Chlazen\u00ed a st\u00e1rnut\u00ed<\/h4>\n
                                    \n
                                  • Zah\u0159\u00e1t\u00e9 ohyby nechte p\u0159irozen\u011b vychladnout <\/li>\n
                                  • U tvrzen\u00fdch slitin m\u016f\u017ee chladic\u00ed proces v\u00e9st ke vzniku nap\u011bt\u00ed.<\/li>\n<\/ul>\n

                                    Oh\u00fdbal jsem trubky 5052 o pr\u016fm\u011bru 2 mm a polom\u011bru 5 cm pomoc\u00ed t\u0159\u00edv\u00e1lcov\u00e9 oh\u00fdba\u010dky. V\u00e1lce se p\u0159izp\u016fsobily obrysu trubky a podpo\u0159ily ov\u00e1ln\u00fd tvar. Ani po stovk\u00e1ch ohyb\u016f nevznikly \u017e\u00e1dn\u00e9 praskliny.<\/p>\n

                                    \u010cas na kv\u00edz:<\/strong>
                                    \n

                                    <\/svg> Rychlej\u0161\u00ed oh\u00fdb\u00e1n\u00ed v\u017edy sni\u017euje prask\u00e1n\u00ed.<\/b>False<\/span><\/p>

                                    Rychl\u00e9 oh\u00fdb\u00e1n\u00ed m\u016f\u017ee materi\u00e1l roztrhnout; pomal\u00fd, kontrolovan\u00fd pohyb je bezpe\u010dn\u011bj\u0161\u00ed.<\/p><\/div>
                                    \n

                                    <\/svg> Polom\u011br ohybu men\u0161\u00ed ne\u017e tlou\u0161\u0165ka materi\u00e1lu \u010dasto vede k prask\u00e1n\u00ed.<\/b>Pravda<\/span><\/p>

                                    P\u0159\u00edli\u0161 t\u011bsn\u00e9 ohyby p\u0159ekra\u010duj\u00ed meze ta\u017enosti materi\u00e1lu.<\/p><\/div><\/p>\n

                                    \n

                                    Jak si udr\u017eet s\u00edlu po oh\u00fdb\u00e1n\u00ed?<\/h2>\n

                                    Jednou jsem ohnul podr\u00e1\u017ed\u011bn\u00fd tal\u00ed\u0159. M\u011bla mikrotrhliny, kter\u00e9 p\u0159i men\u0161\u00edm zat\u00ed\u017een\u00ed selhaly. Pozd\u011bji jsem zjistil, \u017ee z\u00e1le\u017e\u00ed na odleh\u010den\u00ed nap\u011bt\u00ed.<\/p>\n

                                    Chcete-li zachovat pevnost, mus\u00edte kontrolovat deforma\u010dn\u00ed zpevn\u011bn\u00ed, pou\u017e\u00edvat \u017e\u00edh\u00e1n\u00ed po ohybu a kontrolovat, zda nevznikaj\u00ed trhliny.<\/strong><\/p>\n

                                    \"Povrchov\u011b
                                    Ta\u017en\u00fd legovan\u00fd vytla\u010dovac\u00ed profil pro opakovan\u00e9 oh\u00fdb\u00e1n\u00ed<\/figcaption><\/figure>\n<\/p>\n

                                    Pono\u0159te se hloub\u011bji: Kroky po ohybu pro udr\u017een\u00ed pevnosti<\/h3>\n

                                    1. Zohledn\u011bn\u00ed deforma\u010dn\u00edho zpevn\u011bn\u00ed<\/h4>\n
                                      \n
                                    • Oh\u00fdb\u00e1n\u00ed zpev\u0148uje vn\u011bj\u0161\u00ed vl\u00e1kna <\/li>\n
                                    • To zvy\u0161uje mez kluzu, ale sni\u017euje ta\u017enost. <\/li>\n
                                    • Vhodn\u00e9 p\u0159i \u00fanav\u011b, ale p\u0159i p\u0159ehnan\u00e9m pou\u017e\u00edv\u00e1n\u00ed m\u016f\u017ee zp\u016fsobit k\u0159ehkost.<\/li>\n<\/ul>\n

                                      2. \u017d\u00edh\u00e1n\u00ed s odleh\u010den\u00edm od nap\u011bt\u00ed<\/h4>\n
                                        \n
                                      • Lehk\u00e9 zah\u0159\u00e1t\u00ed ~150-200?\u00b0C po dobu 1 hodiny sni\u017euje zbytkov\u00e9 nap\u011bt\u00ed <\/li>\n
                                      • Pomal\u00e9 chlazen\u00ed zabra\u0148uje deformac\u00edm <\/li>\n
                                      • Zm\u011bk\u010duje jen m\u00edrn\u011b, ale zlep\u0161uje \u017eivotnost<\/li>\n<\/ul>\n

                                        3. Rovn\u00e1n\u00ed nebo p\u0159edp\u00edn\u00e1n\u00ed<\/h4>\n
                                          \n
                                        • M\u00edrn\u00e9 odleh\u010den\u00ed pro obnoven\u00ed pru\u017en\u00e9ho tvaru <\/li>\n
                                        • Vyhn\u011bte se nadm\u011brn\u00e9mu prota\u017een\u00ed, kter\u00e9 by zp\u016fsobilo prasknut\u00ed d\u00edlu.<\/li>\n<\/ul>\n

                                          4. Zkontrolujte, zda nejsou praskliny<\/h4>\n
                                            \n
                                          • Na ohybov\u00e9 z\u00f3ny pou\u017eijte barvivo nebo lupu. <\/li>\n
                                          • Mikrotrhliny vy\u017eaduj\u00ed v\u010dasnou opravu nebo v\u00fdm\u011bnu<\/li>\n<\/ul>\n

                                            5. Ochrann\u00e1 povrchov\u00e1 \u00faprava<\/h4>\n
                                              \n
                                            • eloxov\u00e1n\u00ed nebo pr\u00e1\u0161kov\u00fd lak po oh\u00fdb\u00e1n\u00ed <\/li>\n
                                            • Zpev\u0148uje povrch a zvy\u0161uje jeho odolnost proti korozi <\/li>\n
                                            • Eloxov\u00e1n\u00ed tak\u00e9 ut\u011bs\u0148uje povrch ohybu<\/li>\n<\/ul>\n

                                              6. Konstrukce na \u00fanavu<\/h4>\n
                                                \n
                                              • Pou\u017e\u00edvejte ohyby s v\u011bt\u0161\u00edm polom\u011brem a vyhn\u011bte se ostr\u00fdm \u00fahl\u016fm. <\/li>\n
                                              • Vyztu\u017ete ohnut\u00e1 m\u00edsta, pokud d\u00edl \u010del\u00ed cyklick\u00e9mu zat\u00ed\u017een\u00ed.<\/li>\n<\/ul>\n

                                                Po oh\u00fdb\u00e1n\u00ed jsem \u017e\u00edhal dr\u017e\u00e1k ve tvaru A. Hrana se zes\u00edlila, ale odleh\u010den\u00ed nap\u011bt\u00ed zastavilo vlasov\u00e9 trhliny. Vydr\u017eel test s 10 000 cykly bez poruchy.<\/p>\n\n\n\n\n\n\n\n
                                                Akce po ohybu<\/th>\n\u00da\u010del<\/th>\nEfekt<\/th>\n<\/tr>\n<\/thead>\n
                                                \u017d\u00edh\u00e1n\u00ed s uvoln\u011bn\u00edm nap\u011bt\u00ed<\/td>\nSn\u00ed\u017een\u00ed vnit\u0159n\u00edho nap\u011bt\u00ed<\/td>\nZlep\u0161uje ta\u017enost a \u00fanavovou \u017eivotnost<\/td>\n<\/tr>\n
                                                Kontrola trhlin<\/td>\nV\u010dasn\u00e9 odhalen\u00ed po\u0161kozen\u00ed<\/td>\nZabra\u0148uje selh\u00e1n\u00ed v provozu<\/td>\n<\/tr>\n
                                                Ochrann\u00fd povlak<\/td>\nChr\u00e1n\u00ed povrch a zabra\u0148uj\u00ed korozi<\/td>\nZvy\u0161uje \u017eivotnost<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

                                                \u010cas na kv\u00edz:<\/strong>
                                                \n

                                                <\/svg> Deforma\u010dn\u00ed zpevn\u011bn\u00ed v\u017edy oslabuje ohybov\u00e9 oblasti.<\/b>False<\/span><\/p>

                                                Zvy\u0161uje pevnost, ale m\u016f\u017ee sn\u00ed\u017eit ta\u017enost, pokud je p\u0159\u00edli\u0161 vysok\u00e1.<\/p><\/div>
                                                \n

                                                <\/svg> \u017d\u00edh\u00e1n\u00ed po oh\u00fdb\u00e1n\u00ed zvy\u0161uje \u00fanavovou \u017eivotnost.<\/b>Pravda<\/span><\/p>

                                                Zah\u0159\u00edv\u00e1n\u00ed zm\u00edr\u0148uje nap\u011bt\u00ed, ani\u017e by do\u0161lo k v\u00fdrazn\u00e9mu zm\u011bk\u010den\u00ed materi\u00e1lu.<\/p><\/div><\/p>\n

                                                \n

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

                                                V\u00fdb\u011br materi\u00e1lu 5052 nebo 3003, p\u0159\u00edprava \u010di\u0161t\u011bn\u00edm a voliteln\u00fdm \u017e\u00edh\u00e1n\u00edm, pou\u017eit\u00ed spr\u00e1vn\u00fdch technik oh\u00fdb\u00e1n\u00ed a n\u00e1sledn\u00e9 odstran\u011bn\u00ed nap\u011bt\u00ed zaji\u0161\u0165uj\u00ed pevn\u00e9 a odoln\u00e9 ohyby. S opatrnost\u00ed z\u016fstanou oh\u00fdban\u00e9 hlin\u00edkov\u00e9 d\u00edly bez trhlin a zachovaj\u00ed si pevnost.<\/p>","protected":false},"excerpt":{"rendered":"

                                                Soft-bend aluminum angle profiles ideal for custom fabrication I know many builders worry about cracks when bending aluminum. They want metal that bends smoothly. Alloys like 5052 and 3003 are best for bending\u2014they are soft and resist cracking. This article will explore which alloys bend well and why they matter. Which aluminum alloy is best […]<\/p>\n","protected":false},"author":6,"featured_media":8111,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_seopress_robots_primary_cat":"none","_seopress_titles_title":"","_seopress_titles_desc":"","_seopress_robots_index":"","footnotes":""},"categories":[1],"tags":[],"class_list":["post-9587","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\/9587","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=9587"}],"version-history":[{"count":0,"href":"https:\/\/sinoextrud.com\/cs\/wp-json\/wp\/v2\/posts\/9587\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/sinoextrud.com\/cs\/wp-json\/wp\/v2\/media\/8111"}],"wp:attachment":[{"href":"https:\/\/sinoextrud.com\/cs\/wp-json\/wp\/v2\/media?parent=9587"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/sinoextrud.com\/cs\/wp-json\/wp\/v2\/categories?post=9587"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/sinoextrud.com\/cs\/wp-json\/wp\/v2\/tags?post=9587"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}