{"id":26244,"date":"2025-11-20T16:38:35","date_gmt":"2025-11-20T08:38:35","guid":{"rendered":"https:\/\/sinoextrud.com\/?p=26244"},"modified":"2025-11-20T16:38:35","modified_gmt":"2025-11-20T08:38:35","slug":"co-je-to-proces-extruze-hliniku","status":"publish","type":"post","link":"https:\/\/sinoextrud.com\/cs\/what-is-aluminum-extrusion-process\/","title":{"rendered":"Co je to proces extruze hlin\u00edku?"},"content":{"rendered":"

\"Kr\u00e1tk\u00e9
Kr\u00e1tk\u00e9 s\u00e9rie hlin\u00edkov\u00fdch v\u00fdlisk\u016f na zak\u00e1zku<\/figcaption><\/figure>\n<\/p>\n

Proces extruze hlin\u00edku mi umo\u017e\u0148uje p\u0159em\u011bnit pevn\u00fd kov na slo\u017eit\u00e9 tvary t\u00edm, \u017ee jej protla\u010duji matric\u00ed a p\u0159itom reguluji teplotu a tlak.<\/p>\n

Zjednodu\u0161en\u011b \u0159e\u010deno, extruze hlin\u00edku spo\u010d\u00edv\u00e1 v zah\u0159\u00e1t\u00ed kovov\u00e9ho polotovaru, jeho protla\u010den\u00ed pod tlakem skrz tvarovan\u00fd otvor (matrici) a n\u00e1sledn\u00e9m ochlazen\u00ed a dokon\u010den\u00ed profilu.<\/strong><\/p>\n

Provedu v\u00e1s jednotliv\u00fdmi kroky, vysv\u011btl\u00edm, pro\u010d je tlak \u00fa\u010dinn\u00fd, pop\u00ed\u0161u, kde doch\u00e1z\u00ed k ochlazov\u00e1n\u00ed, a uk\u00e1\u017eu, jak dobr\u00e9 \u0159\u00edzen\u00ed procesu zlep\u0161uje v\u00fdsledky.<\/p>\n

\n

Jak\u00e9 kroky tvo\u0159\u00ed proces vytla\u010dov\u00e1n\u00ed?<\/h2>\n

Jednou jsem sledoval cel\u00fd proces v\u00fdroby hlin\u00edkov\u00e9ho polotovaru \u2013 d\u00edky tomu, \u017ee jsem vid\u011bl ka\u017ed\u00fd krok, jsem z\u00edskal mnohem jasn\u011bj\u0161\u00ed p\u0159edstavu o tom, co v\u0161echno je k tomu pot\u0159eba.<\/p>\n

Proces vytla\u010dov\u00e1n\u00ed se skl\u00e1d\u00e1 z \u0159ady krok\u016f: p\u0159\u00edprava formy, oh\u0159ev polotovaru, vkl\u00e1d\u00e1n\u00ed, lisov\u00e1n\u00ed, tvarov\u00e1n\u00ed formy, chlazen\u00ed\/kalen\u00ed, ta\u017een\u00ed, \u0159ez\u00e1n\u00ed, dokon\u010dov\u00e1n\u00ed.<\/strong><\/p>\n

\"CNC
CNC eloxovan\u00e9 zak\u0159iven\u00e9 hlin\u00edkov\u00e9 v\u00fdlisky 6063<\/figcaption><\/figure>\n<\/p>\n

Zde je p\u0159ehled kl\u00ed\u010dov\u00fdch krok\u016f, kter\u00e9 pou\u017e\u00edv\u00e1m p\u0159i \u0159\u00edzen\u00ed extruzn\u00ed linky:<\/p>\n

1. P\u0159\u00edprava formy<\/h3>\n

Matrice je tvarov\u00e1na do po\u017eadovan\u00e9ho profilu a p\u0159edeh\u0159\u00e1t\u00e1. To pom\u00e1h\u00e1 zajistit, aby kov tekl rovnom\u011brn\u011b a p\u0159esn\u011b vyplnil otvor matrice.<\/p>\n

2. Oh\u0159ev sochor\u016f<\/h3>\n

Hlin\u00edkov\u00fd polotovar se zah\u0159eje do m\u011bkk\u00e9ho, ale pevn\u00e9ho stavu, obvykle na teplotu mezi 400 \u00b0C a 500 \u00b0C. T\u00edm se kov zm\u011bk\u010d\u00ed, aby se sn\u00e1ze protla\u010dil matric\u00ed.<\/p>\n

3. Nakl\u00e1d\u00e1n\u00ed a maz\u00e1n\u00ed<\/h3>\n

Polotovar se vlo\u017e\u00ed do kontejneru. Nanese se mazivo nebo uvol\u0148ovac\u00ed prost\u0159edek, aby se zabr\u00e1nilo p\u0159ilepen\u00ed a usnadnilo plynul\u00e9 proud\u011bn\u00ed kovu.<\/p>\n

4. Lisov\u00e1n\u00ed \/ Extruze<\/h3>\n

Hydraulick\u00fd lis protla\u010duje polotovar skrz matrici za pou\u017eit\u00ed tlaku v \u0159\u00e1du tun. Jak hlin\u00edk prot\u00e9k\u00e1 matric\u00ed, p\u0159eb\u00edr\u00e1 jej\u00ed tvar a vytv\u00e1\u0159\u00ed souvisl\u00fd profil.<\/p>\n

5. Vznik a uhasen\u00ed<\/h3>\n

Jakmile tvarovan\u00fd hlin\u00edk opust\u00ed formu, je rychle ochlazen vzduchem nebo vodou. T\u00edm se tvar zafixuje a stabilizuje se struktura profilu.<\/p>\n

6. Ochlazen\u00ed na pokojovou teplotu, narovn\u00e1n\u00ed a \u0159ez\u00e1n\u00ed<\/h3>\n

Po po\u010d\u00e1te\u010dn\u00edm ochlazen\u00ed se v\u00fdtla\u010dek d\u00e1le ochlazuje, dokud nedos\u00e1hne pokojov\u00e9 teploty. Pot\u00e9 se narovn\u00e1, aby se odstranily p\u0159\u00edpadn\u00e9 zkroucen\u00ed, a na\u0159e\u017ee se na po\u017eadovan\u00e9 d\u00e9lky.<\/p>\n

7. Dokon\u010dovac\u00ed pr\u00e1ce a tepeln\u00e9 zpracov\u00e1n\u00ed<\/h3>\n

V z\u00e1vislosti na po\u017eadavc\u00edch mohou b\u00fdt profily st\u00e1rnuty, eloxov\u00e1ny, lakov\u00e1ny nebo d\u00e1le opracov\u00e1v\u00e1ny.<\/p>\n

Zde je souhrn v tabulkov\u00e9 form\u011b:<\/p>\n\n\n\n\n\n\n\n\n\n\n\n
Krok \u010d.<\/th>\nPopis<\/th>\n\u00da\u010del<\/th>\n<\/tr>\n<\/thead>\n
1<\/td>\nP\u0159\u00edprava prepar\u00e1t\u016f<\/td>\nKontrola tvaru, stabiln\u00ed teplota formy<\/td>\n<\/tr>\n
2<\/td>\nOh\u0159ev polotovar\u016f<\/td>\nZm\u011bk\u010duje kov bez taven\u00ed<\/td>\n<\/tr>\n
3<\/td>\nNakl\u00e1d\u00e1n\u00ed a maz\u00e1n\u00ed<\/td>\nZabra\u0148uje lepen\u00ed, zaji\u0161\u0165uje plynul\u00fd pohyb<\/td>\n<\/tr>\n
4<\/td>\nLisov\u00e1n\u00ed\/vytla\u010dov\u00e1n\u00ed<\/td>\nTvaruje kov do profilov\u00e9ho tvaru<\/td>\n<\/tr>\n
5<\/td>\nHa\u0161en\u00ed<\/td>\nStabilizuje tvar a vnit\u0159n\u00ed strukturu<\/td>\n<\/tr>\n
6<\/td>\nChlazen\u00ed, rovn\u00e1n\u00ed, \u0159ez\u00e1n\u00ed<\/td>\nZaji\u0161\u0165uje p\u0159esnost a p\u0159ipravuje dal\u0161\u00ed kroky<\/td>\n<\/tr>\n
7<\/td>\nDokon\u010dov\u00e1n\u00ed a \u00faprava<\/td>\nZlep\u0161uje v\u00fdkon, vzhled a odolnost<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

Z m\u00fdch vlastn\u00edch projekt\u016f vypl\u00fdv\u00e1, \u017ee vynech\u00e1n\u00ed nebo nespr\u00e1vn\u00e9 proveden\u00ed kter\u00e9hokoli kroku vedlo ke zkroucen\u00ed, nesourod\u00fdm rozm\u011br\u016fm nebo slab\u00fdm mechanick\u00fdm vlastnostem.<\/p>\n

\n

Pro\u010d tlak \u00fa\u010dinn\u011b tvaruje hlin\u00edk?<\/h2>\n

Jednou jsem se pokusil vytla\u010dit slo\u017eit\u00fd profil a zjistil jsem, \u017ee bez dostate\u010dn\u00e9ho tlaku kov nevypln\u00ed v\u0161echny rohy formy \u2013 a v\u00fdsledn\u00e1 sou\u010d\u00e1st byla slab\u00e1 a vadn\u00e1.<\/p>\n

Tlak je kl\u00ed\u010dov\u00fd, proto\u017ee nut\u00ed zm\u011bk\u010den\u00fd hlin\u00edkov\u00fd polotovar vt\u00e9kat do otvoru formy a p\u0159ij\u00edmat jej\u00ed tvar, p\u0159i\u010dem\u017e p\u0159ekon\u00e1v\u00e1 t\u0159en\u00ed a odpor.<\/strong><\/p>\n

\"Hlin\u00edkov\u00e9
Hlin\u00edkov\u00e9 vytla\u010dov\u00e1n\u00ed 2024 hlin\u00edkov\u00fd profil<\/figcaption><\/figure>\n<\/p>\n

Takto ch\u00e1pu roli tlaku v procesu vytla\u010dov\u00e1n\u00ed, rozd\u011blenou do kritick\u00fdch bod\u016f:<\/p>\n

Jak funguje tlak<\/h3>\n

Kdy\u017e se polotovar zah\u0159eje, jeho vnit\u0159n\u00ed struktura se stane tv\u00e1rn\u011bj\u0161\u00ed. Hydraulick\u00fd p\u00edst jej pot\u00e9 protla\u010d\u00ed n\u00e1dobou do formy. Tlak vytla\u010d\u00ed hlin\u00edk skrz tvarovan\u00fd otvor formy. <\/p>\n

P\u0159i p\u0159\u00edm\u00e9m vytla\u010dov\u00e1n\u00ed z\u016fst\u00e1v\u00e1 matrice nehybn\u00e1, zat\u00edmco se pohybuje polotovar. P\u0159i nep\u0159\u00edm\u00e9m vytla\u010dov\u00e1n\u00ed se matrice pohybuje sm\u011brem ke statick\u00e9mu polotovaru. V obou p\u0159\u00edpadech je transformace vynucena tlakem.<\/p>\n

Pro\u010d je to \u00fa\u010dinn\u00e9<\/h3>\n
    \n
  • Tlak zaji\u0161\u0165uje pln\u00fd kontakt mezi polotovarem a matric\u00ed, tak\u017ee kov vypl\u0148uje tenk\u00e9 st\u011bny, dutiny, \u017eebra a slo\u017eit\u00e9 tvary. <\/li>\n
  • Vysok\u00fd tlak urychluje deformaci, tak\u017ee kov te\u010de rovnom\u011brn\u011b, zejm\u00e9na u slitin s vy\u0161\u0161\u00ed pevnost\u00ed. <\/li>\n
  • Vzhledem k tomu, \u017ee materi\u00e1l je st\u00e1le pevn\u00fd, ale zm\u011bk\u010den\u00fd, tlak umo\u017e\u0148uje, aby extruze zachovala svou integritu, nam\u00edsto lit\u00ed roztaven\u00e9ho kovu (\u010d\u00edm\u017e se zachov\u00e1 lep\u0161\u00ed struktura zrn).<\/li>\n<\/ul>\n

    D\u016fle\u017eit\u00e9 \u00favahy<\/h3>\n
      \n
    • Kapacita lisu (s\u00edla v tun\u00e1ch) ur\u010duje, jak velk\u00fd nebo slo\u017eit\u00fd profil lze vytla\u010dovat. <\/li>\n
    • Pokud je tlak p\u0159\u00edli\u0161 n\u00edzk\u00fd pro dan\u00fd tvar a slitinu, doch\u00e1z\u00ed k ne\u00fapln\u00e9mu vypln\u011bn\u00ed, nebo se profil m\u016f\u017ee zkroutit nebo m\u00edt dutiny. <\/li>\n
    • Pokud je tlak p\u0159\u00edli\u0161 vysok\u00fd bez odpov\u00eddaj\u00edc\u00ed teploty nebo maz\u00e1n\u00ed, m\u016f\u017ee doj\u00edt k roztr\u017een\u00ed kovu, opot\u0159eben\u00ed formy nebo nadm\u011brn\u00e9mu zah\u0159\u00edv\u00e1n\u00ed.<\/li>\n<\/ul>\n

      Na jedn\u00e9 lince jsme pou\u017eili lis, kter\u00fd nebyl dostate\u010dn\u011b siln\u00fd. Provedli jsme \u00fapravu tak, \u017ee jsme p\u0159edoh\u0159\u00e1li polotovar o n\u011bco v\u00edce a zpomalili rychlost vytla\u010dov\u00e1n\u00ed. D\u00edky tomu kov l\u00e9pe tekl, ani\u017e by do\u0161lo k prasknut\u00ed matrice nebo profilu.<\/p>\n

      \n

      Kde doch\u00e1z\u00ed k chlazen\u00ed extruze?<\/h2>\n

      Kdy\u017e jsem se pod\u00edval na extruzn\u00ed linku, zaujaly m\u011b chladic\u00ed stupn\u011b \u2013 nejprve rychl\u00e9 ochlazen\u00ed hned po v\u00fdstupu z formy, pot\u00e9 pomalej\u0161\u00ed ochlazen\u00ed na pokojovou teplotu. Oba jsou velmi d\u016fle\u017eit\u00e9.<\/p>\n

      Chlazen\u00ed prob\u00edh\u00e1 nejprve bezprost\u0159edn\u011b po v\u00fdstupu (kalen\u00ed) na v\u00fdstupn\u00edm stole pomoc\u00ed vody nebo vzduchu, pot\u00e9 na chladic\u00edm stole, dokud nen\u00ed dosa\u017eeno teploty okol\u00ed, a teprve pot\u00e9 n\u00e1sleduje ta\u017een\u00ed a dokon\u010dovac\u00ed \u00faprava.<\/strong><\/p>\n

      \"Hlin\u00edkov\u00e9
      Hlin\u00edkov\u00e9 v\u00fdlisky 2024 7001 7003 Hlin\u00edkov\u00fd profil<\/figcaption><\/figure>\n<\/p>\n

      Zde jsou podrobnosti, kter\u00e9 jsem shrom\u00e1\u017edil o m\u00edstech chlazen\u00ed a jejich \u00fa\u010delu:<\/p>\n

      Okam\u017eit\u00e9 ochlazen\u00ed (kalen\u00ed)<\/h3>\n

      Profil opou\u0161t\u011bj\u00edc\u00ed lisovac\u00ed formu je velmi hork\u00fd a st\u00e1le tv\u00e1rn\u00fd. Stahov\u00e1k jej vede pod\u00e9l v\u00fdstupn\u00edho stolu a doch\u00e1z\u00ed k jeho ochlazen\u00ed \u2013 vodn\u00ed l\u00e1ze\u0148, post\u0159ik, vzduchov\u00e9 ventil\u00e1tory \u2013 aby se rychle sn\u00ed\u017eila teplota. Toto rychl\u00e9 ochlazen\u00ed pom\u00e1h\u00e1 zachovat rozm\u011brovou p\u0159esnost a spr\u00e1vnou strukturu zrna.
      \nRychl\u00e9 ochlazen\u00ed tak\u00e9 zabra\u0148uje nadm\u011brn\u00fdm mikrostruktur\u00e1ln\u00edm zm\u011bn\u00e1m (nap\u0159. nadm\u011brn\u00e9mu st\u00e1rnut\u00ed, r\u016fstu velk\u00fdch zrn), kter\u00e9 by sn\u00ed\u017eily mechanickou pevnost.<\/p>\n

      Chlazen\u00ed na okoln\u00ed teplotu \/ rovn\u00e1n\u00ed<\/h3>\n

      Po po\u010d\u00e1te\u010dn\u00edm ochlazen\u00ed se profily p\u0159esunou na chladic\u00ed st\u016fl, kde z\u016fst\u00e1vaj\u00ed, dokud nedos\u00e1hnou teploty bl\u00edzk\u00e9 pokojov\u00e9 teplot\u011b. Pot\u00e9 se provede prota\u017een\u00ed, aby se odstranilo jak\u00e9koli zkroucen\u00ed nebo zak\u0159iven\u00ed. N\u00e1sledn\u011b se na\u0159e\u017eou na pou\u017eiteln\u00e9 d\u00e9lky.<\/p>\n

      Pro\u010d je d\u016fle\u017eit\u00e9 m\u00edsto chlazen\u00ed<\/h3>\n
        \n
      • P\u0159\u00edli\u0161 agresivn\u00ed kalen\u00ed m\u016f\u017ee zp\u016fsobit deformaci nebo vyvolat zbytkov\u00e9 nap\u011bt\u00ed; p\u0159\u00edli\u0161 pomal\u00e9 ochlazov\u00e1n\u00ed m\u016f\u017ee v\u00e9st k ne\u017e\u00e1douc\u00edm zm\u011bn\u00e1m mikrostruktury nebo deformac\u00edm. <\/li>\n
      • Chlazen\u00ed mus\u00ed b\u00fdt \u0159\u00edzeno, proto\u017ee n\u011bkter\u00e9 slitiny (zejm\u00e9na \u0159ady 6000) vy\u017eaduj\u00ed ke dosa\u017een\u00ed po\u017eadovan\u00e9 tvrdosti specifickou rychlost kalen\u00ed a chlazen\u00ed. <\/li>\n
      • N\u00e1stroje a uspo\u0159\u00e1d\u00e1n\u00ed linky mus\u00ed umo\u017e\u0148ovat chlazen\u00ed profilu bez ru\u0161iv\u00fdch vliv\u016f a zabra\u0148ovat vzniku oblast\u00ed, kde by se profily mohly pod vlivem tepla p\u0159ed rovn\u00e1n\u00edm zkroutit nebo prohnout.<\/li>\n<\/ul>\n

        P\u0159i sv\u00fdch operac\u00edch v\u017edy sleduji v\u00fdstupn\u00ed teplotu, rovnom\u011brnost ochlazov\u00e1n\u00ed a zaji\u0161\u0165uji, aby d\u00e9lka chladic\u00edho stolu byla dostate\u010dn\u00e1 pro ochlazen\u00ed na okoln\u00ed teplotu p\u0159ed fin\u00e1ln\u00ed manipulac\u00ed. Nespr\u00e1vn\u011b \u0159\u00edzen\u00e1 f\u00e1ze ochlazov\u00e1n\u00ed se v\u017edy projev\u00ed jako probl\u00e9my s rovinnost\u00ed nebo nejednotn\u00fdm mechanick\u00fdm v\u00fdkonem.<\/p>\n

        \n

        M\u016f\u017ee \u0159\u00edzen\u00ed proces\u016f zlep\u0161it v\u00fdsledky?<\/h2>\n

        Podle m\u00fdch zku\u0161enost\u00ed, kdy\u017e nebyly sledov\u00e1ny procesn\u00ed prom\u011bnn\u00e9 \u2013 teplota, tlak, rychlost \u2013 v\u00fdsledkem byly nekonzistentn\u00ed profily, vy\u0161\u0161\u00ed m\u00edra zmetkovitosti a v\u00edce \u010dasu str\u00e1ven\u00e9ho p\u0159epracov\u00e1n\u00edm.<\/p>\n

        Ano \u2013 p\u0159\u00edsn\u00e1 kontrola procesu (v\u010detn\u011b teploty, tlaku, rychlosti, konstrukce n\u00e1stroj\u016f, monitorov\u00e1n\u00ed v re\u00e1ln\u00e9m \u010dase) v\u00fdrazn\u011b zlep\u0161uje kvalitu extruze, konzistenci, v\u00fdt\u011b\u017enost a mechanick\u00e9 vlastnosti.<\/strong><\/p>\n

        \"Kulat\u00e9
        Kulat\u00e9 hlin\u00edkov\u00e9 v\u00fdlisky Trubkov\u00e9 CNC oh\u00fdb\u00e1n\u00ed<\/figcaption><\/figure>\n<\/p>\n

        Takto r\u00e1d uva\u017euji o \u0159\u00edzen\u00ed proces\u016f a o tom, jak zlep\u0161uje v\u00fdsledky:<\/p>\n

        Kl\u00ed\u010dov\u00e9 kontroln\u00ed prom\u011bnn\u00e9<\/h3>\n
          \n
        • Teplota polotovaru<\/strong>: Pokud je polotovar p\u0159\u00edli\u0161 studen\u00fd, extruze je pomal\u00e1 a rozm\u011brov\u011b m\u00e9n\u011b p\u0159esn\u00e1; pokud je p\u0159\u00edli\u0161 hork\u00fd, trp\u00ed kvalita povrchu a tolerance se zv\u011bt\u0161uj\u00ed. <\/li>\n
        • Rychlost RAM \/ frekvence tisku<\/strong>: Pokud je rychlost p\u0159\u00edli\u0161 vysok\u00e1, kov nemus\u00ed t\u00e9ct rovnom\u011brn\u011b a mohou vzniknout probl\u00e9my s kvalitou; pokud je p\u0159\u00edli\u0161 n\u00edzk\u00e1, trp\u00ed t\u00edm produktivita. <\/li>\n
        • Teplota formy<\/strong>: P\u0159edeh\u0159\u00e1t\u00ed formy zaji\u0161\u0165uje stabiln\u00ed tok a konzistentn\u00ed rozm\u011bry. <\/li>\n
        • Rychlost chlazen\u00ed<\/strong>: Chlazen\u00ed a ochlazov\u00e1n\u00ed okoln\u00edm vzduchem mus\u00ed odpov\u00eddat po\u017eadavk\u016fm na slitinu a profil, aby byly spln\u011bny mechanick\u00e9 specifikace. <\/li>\n
        • Stav a konstrukce n\u00e1stroj\u016f<\/strong>: Dob\u0159e navr\u017een\u00e1 matrice, spr\u00e1vn\u00e9 rozm\u011bry kontejneru a dobr\u00e9 maz\u00e1n\u00ed jsou z\u00e1sadn\u00ed pro zabr\u00e1n\u011bn\u00ed vad\u00e1m.<\/li>\n<\/ul>\n

          V\u00fdhody p\u0159\u00edsn\u00e9 kontroly<\/h3>\n
            \n
          • Konzistentn\u00ed rozm\u011bry profilu po cel\u00e9 d\u00e9lce a nap\u0159\u00ed\u010d \u0161ar\u017eemi. <\/li>\n
          • Ni\u017e\u0161\u00ed m\u00edra zmetkovitosti (m\u00e9n\u011b vad, jako jsou povrchov\u00e9 praskliny, deformace, zkreslen\u00ed). <\/li>\n
          • Vylep\u0161en\u00e9 mechanick\u00e9 vlastnosti (p\u0159esn\u00e9 kalen\u00ed, spr\u00e1vn\u00e1 struktura zrn). <\/li>\n
          • Lep\u0161\u00ed povrchov\u00e1 \u00faprava a m\u00e9n\u011b dodate\u010dn\u00fdch \u00faprav. <\/li>\n
          • Optimalizovan\u00e1 produktivita s m\u00e9n\u011b prostoji kv\u016fli \u00faprav\u00e1m.<\/li>\n<\/ul>\n

            M\u016fj p\u0159\u00edklad zlep\u0161en\u00ed v re\u00e1ln\u00e9m sv\u011bt\u011b<\/h3>\n

            Na jedn\u00e9 lince, kterou jsem zd\u011bdil, byla teplota polotovaru nestabiln\u00ed o \u00b120 \u00b0C. Zavedl jsem inline infra\u010derven\u00e9 teplotn\u00ed senzory, standardn\u00ed c\u00edlovou teplotu a protokolov\u00e1n\u00ed pro ka\u017ed\u00fd provoz. Po zaveden\u00ed kontroly se mno\u017estv\u00ed odpadu sn\u00ed\u017eilo o 12 % a rovinnost profilu se v\u00fdrazn\u011b zlep\u0161ila. Inline v\u00fdstrahy tak\u00e9 zabr\u00e1nily p\u0159eh\u0159\u00e1t\u00ed, kter\u00e9 zp\u016fsobovalo por\u00e9znost povrchu.<\/p>\n

            Zde je tabulka s kontroln\u00edmi \u00fadaji:<\/p>\n\n\n\n\n\n\n\n\n
            Prom\u011bnn\u00e1<\/th>\nD\u016fsledky \u0161patn\u00e9 kontroly<\/th>\nDobr\u00fd v\u00fdsledek kontroly<\/th>\n<\/tr>\n<\/thead>\n
            Teplota polotovaru<\/td>\n\u0160patn\u00fd pr\u016ftok, kol\u00edsav\u00e1 tvrdost<\/td>\nHladk\u00fd tok, konzistentn\u00ed vlastnosti<\/td>\n<\/tr>\n
            Rychlost \/ tlak berana<\/td>\nKolaps povrchu, trh\u00e1n\u00ed, opot\u0159eben\u00ed formy<\/td>\nVyv\u00e1\u017een\u00fd pr\u016ftok, dobr\u00fd povrch, dlouh\u00e1 \u017eivotnost formy<\/td>\n<\/tr>\n
            Rychlost chlazen\u00ed<\/td>\nDeformace, zbytkov\u00e9 nap\u011bt\u00ed, nespr\u00e1vn\u00e9 temperov\u00e1n\u00ed<\/td>\nRovn\u00e9 \u010d\u00e1sti, spr\u00e1vn\u00e1 mikrostruktura<\/td>\n<\/tr>\n
            N\u00e1vrh\/stav n\u00e1stroj\u016f<\/td>\nDeformace, ot\u0159epy, rozm\u011brov\u00e9 chyby<\/td>\nP\u0159esn\u00e9 profily, opakovateln\u00e9 v\u00fdsledky<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

            Stru\u010dn\u011b \u0159e\u010deno, domn\u00edv\u00e1m se, \u017ee \u0159\u00edzen\u00ed procesu nen\u00ed jen dopl\u0148kem \u2013 pro vysoce kvalitn\u00ed extruzi je kl\u00ed\u010dov\u00e9 pro provoz. Bez n\u011bj pracujete v \u201cre\u017eimu nad\u011bje\u201d.<\/p>\n

            \n

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

            Provedl jsem v\u00e1s krok za krokem procesem extruze hlin\u00edku \u2013 jak jednotliv\u00e9 kroky prob\u00edhaj\u00ed, pro\u010d je d\u016fle\u017eit\u00fd tlak, kde doch\u00e1z\u00ed k chlazen\u00ed a jak \u0159\u00edzen\u00ed procesu zlep\u0161uje v\u00fdsledky. Pokud v\u0161echny tyto kroky dob\u0159e zvl\u00e1dneme, extruze prob\u011bhne hladce a profily spln\u00ed c\u00edle v oblasti kvality, n\u00e1klad\u016f a dod\u00e1n\u00ed.<\/p>","protected":false},"excerpt":{"rendered":"

            Short Run Custom Aluminum Extrusions The aluminum extrusion process lets me turn solid metal into complex shapes by forcing it through a die while controlling heat and pressure. In simple terms, aluminum extrusion is heating a metal billet, pushing it through a shaped opening (die) under pressure, then cooling and finishing the profile. I\u2019ll walk […]<\/p>\n","protected":false},"author":6,"featured_media":6445,"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-26244","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\/26244","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=26244"}],"version-history":[{"count":0,"href":"https:\/\/sinoextrud.com\/cs\/wp-json\/wp\/v2\/posts\/26244\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/sinoextrud.com\/cs\/wp-json\/wp\/v2\/media\/6445"}],"wp:attachment":[{"href":"https:\/\/sinoextrud.com\/cs\/wp-json\/wp\/v2\/media?parent=26244"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/sinoextrud.com\/cs\/wp-json\/wp\/v2\/categories?post=26244"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/sinoextrud.com\/cs\/wp-json\/wp\/v2\/tags?post=26244"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}