{"id":26475,"date":"2025-11-27T15:20:13","date_gmt":"2025-11-27T07:20:13","guid":{"rendered":"https:\/\/sinoextrud.com\/?p=26475"},"modified":"2025-11-27T15:20:13","modified_gmt":"2025-11-27T07:20:13","slug":"na-co-si-dat-pozor-pri-extruzi-hliniku","status":"publish","type":"post","link":"https:\/\/sinoextrud.com\/cs\/what-to-be-aware-of-with-extrusion-aluminum\/","title":{"rendered":"Na co je t\u0159eba d\u00e1vat pozor u extrudovan\u00e9ho hlin\u00edku?"},"content":{"rendered":"

\"Zlat\u00e9
Zlat\u00e9 hlin\u00edkov\u00e9 vytla\u010dovac\u00ed profily \u0159ady 10<\/figcaption><\/figure>\n<\/p>\n

Extruze hlin\u00edku se zd\u00e1 b\u00fdt jednoduch\u00e1: vlo\u017e\u00edte polotovar, protla\u010d\u00edte jej matric\u00ed a z\u00edsk\u00e1te profil. P\u0159ed, b\u011bhem i po extruzi v\u0161ak \u010d\u00edh\u00e1 mnoho \u00faskal\u00ed. Bez n\u00e1le\u017eit\u00e9 p\u00e9\u010de doch\u00e1z\u00ed k vad\u00e1m. Kles\u00e1 kvalita. Hotov\u00e9 d\u00edly selh\u00e1vaj\u00ed. <\/p>\n

Na v\u00fdsledky extruze m\u00e1 vliv mnoho faktor\u016f \u2013 od v\u00fdb\u011bru slitiny a\u017e po manipulaci a kontrolu. Jejich znalost pom\u00e1h\u00e1 z\u00edskat pevn\u00e9, konzistentn\u00ed a bezchybn\u00e9 hlin\u00edkov\u00e9 d\u00edly.<\/strong><\/p>\n

N\u00ed\u017ee se zab\u00fdv\u00e1m t\u00edm, na co je t\u0159eba db\u00e1t p\u0159i extruzi hlin\u00edku: faktory v\u00fdkonu, vady, v\u00fdb\u011br slitin a chyby p\u0159i manipulaci.<\/p>\n

\n

Jak\u00e9 faktory ovliv\u0148uj\u00ed v\u00fdkon extruze?<\/h2>\n

Je\u0161t\u011b p\u0159ed spu\u0161t\u011bn\u00edm lisu ovliv\u0148uje n\u011bkolik d\u016fle\u017eit\u00fdch faktor\u016f kvalitu extruze hlin\u00edku. V\u0161e od kvality polotovaru po konstrukci matrice ovliv\u0148uje tok, pevnost a povrchovou \u00fapravu.<\/p>\n

Kl\u00ed\u010dov\u00e9 faktory \u2013 homogenita polotovaru, regulace teploty, konstrukce lisovac\u00ed formy, maz\u00e1n\u00ed, parametry lisu a \u00fadr\u017eba za\u0159\u00edzen\u00ed \u2013 ur\u010duj\u00ed, zda extruze prob\u011bhne hladce, nebo zda vzniknou vadn\u00e9 d\u00edly.<\/strong><\/p>\n

\"Hlin\u00edkov\u00fd
Hlin\u00edkov\u00fd vytla\u010dovac\u00ed profil Rolling Shutter<\/figcaption><\/figure>\n<\/p>\n

Kritick\u00e9 prom\u011bnn\u00e9 v procesu vytla\u010dov\u00e1n\u00ed<\/h3>\n\n\n\n\n\n\n\n\n\n\n
Faktor<\/th>\nVliv na v\u00fdkon extruze<\/th>\n<\/tr>\n<\/thead>\n
Kvalita odlitk\u016f<\/td>\n\u0160patn\u00e9 odl\u00e9v\u00e1n\u00ed vede k por\u00e9znosti, segregaci a slab\u00fdm z\u00f3n\u00e1m.<\/td>\n<\/tr>\n
Homogeniza\u010dn\u00ed tepeln\u00e9 zpracov\u00e1n\u00ed<\/td>\nZaji\u0161\u0165uje rovnom\u011brn\u00e9 slo\u017een\u00ed a sni\u017euje tvorbu trhlin<\/td>\n<\/tr>\n
Spr\u00e1vn\u00e1 teplota polotovaru<\/td>\nP\u0159\u00edli\u0161 n\u00edzk\u00e1 teplota zp\u016fsobuje praskliny, p\u0159\u00edli\u0161 vysok\u00e1 teplota zp\u016fsobuje oxidaci povrchu.<\/td>\n<\/tr>\n
N\u00e1vrh a stav formy<\/td>\n\u0160patn\u00fd design nebo opot\u0159ebovan\u00e1 matrice zp\u016fsobuje nerovnom\u011brn\u00fd tok a probl\u00e9my s tlou\u0161\u0165kou st\u011bn.<\/td>\n<\/tr>\n
Maz\u00e1n\u00ed \/ povrchov\u00e1 \u00faprava<\/td>\n\u0160patn\u00e9 maz\u00e1n\u00ed zvy\u0161uje t\u0159en\u00ed a vede k opot\u0159eben\u00ed formy.<\/td>\n<\/tr>\n
Srovn\u00e1n\u00ed tisku a tlak<\/td>\nNespr\u00e1vn\u00e9 vyrovn\u00e1n\u00ed nebo nespr\u00e1vn\u00fd tlak zp\u016fsobuje deformaci nebo prask\u00e1n\u00ed.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

Pokud n\u011bkter\u00fd faktor nen\u00ed v po\u0159\u00e1dku, trp\u00ed t\u00edm kvalita extruze. Nap\u0159\u00edklad: polotovary s vnit\u0159n\u00edmi vadami mohou p\u0159i zat\u00ed\u017een\u00ed prasknout. Bez spr\u00e1vn\u00e9 homogenizace se extrudovan\u00e9 d\u00edly mohou po ochlazen\u00ed deformovat. Opot\u0159ebovan\u00e1 nebo \u0161patn\u011b navr\u017een\u00e1 matrice m\u016f\u017ee zkreslit geometrii profilu nebo vytvo\u0159it nerovn\u00e9 st\u011bny.<\/p>\n

Zku\u0161enosti ukazuj\u00ed, \u017ee kvalita polotovar\u016f je \u010dasto opom\u00edjena. N\u011bkte\u0159\u00ed dodavatel\u00e9 znovu pou\u017e\u00edvaj\u00ed \u0161rot nebo sm\u00ed\u0161en\u00e9 slitiny pro polotovary bez \u0159\u00e1dn\u00e9ho zu\u0161lecht\u011bn\u00ed. V\u00fdsledkem jsou skryt\u00e9 ne\u010distoty, nerovnom\u011brn\u00e1 struktura a nep\u0159edv\u00eddateln\u00e9 chov\u00e1n\u00ed pod tlakem. Dobr\u00e9 vytla\u010dov\u00e1n\u00ed za\u010d\u00edn\u00e1 dobr\u00fdm polotovarem.<\/p>\n

Kontrola teploty b\u011bhem oh\u0159evu je tak\u00e9 velmi d\u016fle\u017eit\u00e1. Vid\u011bl jsem p\u0159\u00edpady, kdy do\u0161lo k p\u0159eh\u0159\u00e1t\u00ed polotovaru a siln\u00e9 oxidaci povrchu, co\u017e vedlo k hrub\u00e9mu povrchu a pot\u00ed\u017e\u00edm p\u0159i n\u00e1sledn\u00e9m zpracov\u00e1n\u00ed. Na druhou stranu nedostate\u010dn\u00fd oh\u0159ev zp\u016fsobil prasknut\u00ed kovu p\u0159i protla\u010dov\u00e1n\u00ed matric\u00ed.<\/p>\n

Konstrukce formy vy\u017eaduje zvl\u00e1\u0161tn\u00ed pozornost. Profily s nerovnom\u011brnou tlou\u0161\u0165kou st\u011bny nebo ostr\u00fdmi p\u0159echody vy\u017eaduj\u00ed pe\u010dliv\u011b vylad\u011bnou formu: hladk\u00e9 rampy, postupn\u00e9 lo\u017eiskov\u00e9 z\u00f3ny, vyv\u00e1\u017een\u00e9 pr\u016ftokov\u00e9 cesty. \u0160patn\u00e1 konstrukce formy zp\u016fsobuje tenk\u00e9 st\u011bny nebo siln\u00e1 m\u00edsta, otev\u0159en\u00e9 rohy nebo povrchov\u00e9 stopy.<\/p>\n

D\u016fle\u017eit\u00e1 je tak\u00e9 \u00fadr\u017eba. Spr\u00e1vn\u011b se\u0159\u00edzen\u00fd lis, \u010dist\u00e1 n\u00e1doba, kvalitn\u00ed slep\u00fd blok, promazan\u00e9 povrchy \u2013 to v\u0161e prodlu\u017euje \u017eivotnost formy a zaji\u0161\u0165uje opakovatelnost. Opot\u0159ebovan\u00e1 st\u011bna n\u00e1doby nebo nespr\u00e1vn\u011b se\u0159\u00edzen\u00fd p\u00edst vedou k po\u0161kr\u00e1b\u00e1n\u00ed, nerovnom\u011brn\u00e9mu toku a postupn\u00e9mu po\u0161kozen\u00ed formy.<\/p>\n

Proto \u00fasp\u011b\u0161n\u00e9 vytla\u010dov\u00e1n\u00ed vy\u017eaduje kontrolu nad mnoha prom\u011bnn\u00fdmi. Chyba v jak\u00e9koli \u010d\u00e1sti procesu m\u016f\u017ee zni\u010dit celou \u0161ar\u017ei. <\/p>\n

<\/svg> Kvalita a homogenizace polotovar\u016f maj\u00ed v\u00fdznamn\u00fd vliv na struktur\u00e1ln\u00ed integritu extrudovan\u00e9ho hlin\u00edku.<\/b>Pravda<\/span><\/p>

\u0160patn\u00e9 odlitky nebo nedostate\u010dn\u00e1 homogenizace vedou k vnit\u0159n\u00edm vad\u00e1m, nerovnom\u011brn\u00e9mu rozlo\u017een\u00ed slitiny a zv\u00fd\u0161en\u00e9mu riziku vzniku trhlin p\u0159i zat\u00ed\u017een\u00ed.<\/p><\/div>
\n

<\/svg> Pokud je konstrukce matrice nekvalitn\u00ed, ani vysoce kvalitn\u00ed polotovar a spr\u00e1vn\u00e1 teplota nemohou zaru\u010dit dobr\u00e9 vytla\u010dov\u00e1n\u00ed.<\/b>Pravda<\/span><\/p>

Geometrie formy ovliv\u0148uje tok materi\u00e1lu; \u0161patn\u00fd design zp\u016fsobuje nerovnom\u011brn\u00fd tok a lok\u00e1ln\u00ed vady, bez ohledu na kvalitu materi\u00e1lu.<\/p><\/div> <\/p>\n

\n

Pro\u010d je nutn\u00e9 kontrolovat povrchov\u00e9 vady?<\/h2>\n

I kdy\u017e extruze prob\u00edh\u00e1 bez zjevn\u00e9ho po\u0161kozen\u00ed, povrchov\u00e9 vady \u010dasto skr\u00fdvaj\u00ed hlub\u0161\u00ed probl\u00e9my. Povrchov\u00e9 vady signalizuj\u00ed probl\u00e9my uvnit\u0159 kovu nebo chyby v procesu. Bez kontroly mohou d\u00edly pozd\u011bji selhat pod zat\u00ed\u017een\u00edm nebo se zv\u00fd\u0161\u00ed po\u010det zmetk\u016f. <\/p>\n

Povrchov\u00e9 vady, jako jsou drsnost, praskliny, d\u016flky nebo oxidov\u00e1 vrstva, \u010dasto odr\u00e1\u017eej\u00ed vnit\u0159n\u00ed nap\u011bt\u00ed, \u0161patn\u00fd tok nebo kontaminaci \u2013 je nutn\u00e9 je v\u010das zkontrolovat, aby se p\u0159ede\u0161lo v\u011bt\u0161\u00edm poruch\u00e1m.<\/strong><\/p>\n

\"Skladov\u00e9
Skladov\u00e9 hlin\u00edkov\u00e9 profily<\/figcaption><\/figure>\n<\/p>\n

B\u011b\u017en\u00e9 povrchov\u00e9 vady a jejich p\u0159\u00ed\u010diny<\/h3>\n\n\n\n\n\n\n\n\n\n
Typ z\u00e1vady<\/th>\nMo\u017en\u00e9 p\u0159\u00ed\u010diny<\/th>\nD\u016fsledky pro kvalitu \/ pou\u017eit\u00ed<\/th>\n<\/tr>\n<\/thead>\n
Drsnost povrchu \/ stupnice<\/td>\nP\u0159eh\u0159\u00e1t\u00ed, oxidace, \u0161patn\u00e9 maz\u00e1n\u00ed<\/td>\n\u0160patn\u00e1 povrchov\u00e1 \u00faprava; obt\u00ed\u017en\u00e9 eloxovat nebo lakovat<\/td>\n<\/tr>\n
Povrchov\u00e9 praskliny \/ linie<\/td>\nVm\u011bstky, nesouosost, ne\u010distoty v polotovaru<\/td>\nSlab\u00e1 m\u00edsta; potenci\u00e1ln\u00ed struktur\u00e1ln\u00ed selh\u00e1n\u00ed<\/td>\n<\/tr>\n
Nerovn\u00e1 st\u011bna \/ tlou\u0161\u0165ka<\/td>\n\u0160patn\u00fd design formy, nerovnom\u011brn\u00fd tok, nespr\u00e1vn\u00fd tlak<\/td>\nRozm\u011brov\u00e1 nep\u0159esnost, slab\u00e9 \u010d\u00e1sti<\/td>\n<\/tr>\n
Dutiny \/ pr\u00e1zdn\u00e1 m\u00edsta uvnit\u0159<\/td>\nPor\u00e9znost polotovaru, plyn zachycen\u00fd v odlitku<\/td>\nSn\u00ed\u017een\u00e1 pevnost; nep\u0159edv\u00eddateln\u00e9 body selh\u00e1n\u00ed<\/td>\n<\/tr>\n
Deformace nebo zkroucen\u00ed po ochlazen\u00ed<\/td>\nNerovnom\u011brn\u00e9 chlazen\u00ed, vnit\u0159n\u00ed nap\u011bt\u00ed, \u0161patn\u00e1 podpora<\/td>\n\u0160patn\u00e1 geometrie; sou\u010d\u00e1stka nemus\u00ed pasovat nebo fungovat<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

Kontrola b\u011bhem a po extruzi by nem\u011bla b\u00fdt voliteln\u00e1. Jednoduch\u00e9 vizu\u00e1ln\u00ed kontroly mohou odhalit okuje nebo zjevn\u00e9 vady. U kritick\u00fdch d\u00edl\u016f v\u0161ak maj\u00ed smysl d\u016fkladn\u011bj\u0161\u00ed kontroly: barvov\u00e9 penetra\u010dn\u00ed zkou\u0161ky na praskliny, ultrazvukov\u00e9 zkou\u0161ky na vnit\u0159n\u00ed dutiny, mikrometrick\u00e1 m\u011b\u0159en\u00ed konzistence tlou\u0161\u0165ky st\u011bny a kontroly rovinnosti pomoc\u00ed prav\u00edtka nebo laserov\u00e9ho skeneru.<\/p>\n

Nap\u0159\u00edklad pokud m\u00e1 profil vnit\u0159n\u00ed dutiny zp\u016fsoben\u00e9 nekvalitn\u00edm odlitkem, m\u016f\u017ee na prvn\u00ed pohled vypadat v po\u0159\u00e1dku. B\u011bhem obr\u00e1b\u011bn\u00ed v\u0161ak m\u016f\u017ee nap\u011bt\u00ed nebo vibrace zp\u016fsobit n\u00e1hl\u00e9 praskliny nebo poruchy. Takov\u00e9 poruchy jsem vid\u011bl b\u011bhem CNC obr\u00e1b\u011bn\u00ed: skryt\u00e1 p\u00f3ry se pod nap\u011bt\u00edm prom\u011bn\u00ed v praskliny. To zni\u010dilo celou \u0161ar\u017ei a zp\u016fsobilo n\u00e1klady na opravu.<\/p>\n

Drsnost povrchu tak\u00e9 ovliv\u0148uje dokon\u010dovac\u00ed operace. Eloxov\u00e1n\u00ed drsn\u00e9ho nebo oxidovan\u00e9ho povrchu vede k matn\u00e9mu povrchu, nerovnom\u011brn\u00e9 barv\u011b nebo kysel\u00fdm d\u016flky. Pr\u00e1\u0161kov\u00e9 lakov\u00e1n\u00ed m\u016f\u017ee skr\u00fdt n\u011bkter\u00e9 nedokonalosti, ale \u0161patn\u00e1 p\u0159\u00edprava povrchu se \u010dasto projev\u00ed po lakov\u00e1n\u00ed: puch\u00fd\u0159e, odlupov\u00e1n\u00ed nebo nerovnom\u011brn\u00e1 tlou\u0161\u0165ka.<\/p>\n

Z\u00e1v\u011br: ka\u017edou \u0161ar\u017ei d\u016fkladn\u011b zkontrolujte. Nep\u0159edpokl\u00e1dejte, \u017ee extruze je \u201cautomaticky dobr\u00e1\u201d. I dob\u0159e kontrolovan\u00e9 procesy mohou m\u00edt neo\u010dek\u00e1van\u00e9 vady. V\u010dasn\u00e9 odhalen\u00ed probl\u00e9m\u016f \u0161et\u0159\u00ed \u010das, pen\u00edze a zaji\u0161\u0165uje spolehlivost. <\/p>\n

<\/svg> Kontrola povrchu by m\u011bla zahrnovat kontrolu prasklin, d\u016flk\u016f nebo okuj\u00ed p\u0159ed dokon\u010den\u00edm nebo obr\u00e1b\u011bn\u00edm.<\/b>Pravda<\/span><\/p>

Vn\u011bj\u0161\u00ed vady \u010dasto odhaluj\u00ed vnit\u0159n\u00ed nebo procesn\u00ed probl\u00e9my, kter\u00e9 ovliv\u0148uj\u00ed pevnost a kvalitu povrchov\u00e9 \u00fapravy.<\/p><\/div>
\n

<\/svg> Pokud extruze projde po\u010d\u00e1te\u010dn\u00ed kontrolou, nen\u00ed p\u0159ed obr\u00e1b\u011bn\u00edm nutn\u00e1 \u017e\u00e1dn\u00e1 dal\u0161\u00ed kontrola.<\/b>False<\/span><\/p>

N\u011bkter\u00e9 vnit\u0159n\u00ed vady nebo rozm\u011brov\u00e9 nep\u0159esnosti nejsou viditeln\u00e9; dal\u0161\u00ed testov\u00e1n\u00ed zaji\u0161\u0165uje spolehlivost d\u00edl\u016f a spr\u00e1vn\u00e9 rozm\u011bry.<\/p><\/div> <\/p>\n

\n

Jak vybrat spr\u00e1vnou slitinu pro vytla\u010dov\u00e1n\u00ed?<\/h2>\n

V\u00fdb\u011br slitiny je z\u00e1sadn\u00ed rozhodnut\u00ed, kter\u00e9 ovliv\u0148uje extrudovatelnost, pevnost, povrchovou \u00fapravu a n\u00e1klady. Pou\u017eit\u00ed nespr\u00e1vn\u00e9 slitiny pro danou aplikaci vede ke \u0161patn\u00e9mu v\u00fdkonu nebo nadm\u011brn\u00e9mu opot\u0159eben\u00ed n\u00e1stroj\u016f. <\/p>\n

V\u00fdb\u011br spr\u00e1vn\u00e9 hlin\u00edkov\u00e9 slitiny z\u00e1vis\u00ed na kone\u010dn\u00e9m pou\u017eit\u00ed: pevnost konstrukce, kvalita povrchu, odolnost proti korozi, obrobitelnost nebo cena \u2013 ka\u017ed\u00fd po\u017eadavek vy\u017eaduje jinou slitinu.<\/strong> <\/p>\n

\"Hlin\u00edkov\u00fd
Hlin\u00edkov\u00fd vytla\u010dovac\u00ed materi\u00e1l T Slot<\/figcaption><\/figure>\n<\/p>\n

Obecn\u00e9 \u00favahy o slitin\u00e1ch<\/h3>\n
    \n
  • Extrudovatelnost:<\/strong> N\u011bkter\u00e9 slitiny snadno te\u010dou, vypl\u0148uj\u00ed slo\u017eit\u00e9 formy a vytv\u00e1\u0159ej\u00ed hladk\u00e9 povrchy. Jin\u00e9 jsou tvrd\u0161\u00ed, odol\u00e1vaj\u00ed toku nebo vy\u017eaduj\u00ed vysok\u00fd tlak a pe\u010dlivou regulaci teploty. <\/li>\n
  • Mechanick\u00e1 pevnost:<\/strong> Konstruk\u010dn\u00ed d\u00edly vy\u017eaduj\u00ed vy\u0161\u0161\u00ed pevnost a hou\u017eevnatost. Pro tyto \u00fa\u010dely jsou vhodn\u00e9 slitiny jako 6005, 6061, 6082 nebo speci\u00e1ln\u00ed vysokopevnostn\u00ed slitiny. <\/li>\n
  • Povrchov\u00e1 \u00faprava a eloxov\u00e1n\u00ed:<\/strong> Dekorativn\u00ed nebo architektonick\u00e9 profily t\u011b\u017e\u00ed z pou\u017eit\u00fdch slitin, kter\u00e9 se eloxuj\u00ed \u010dist\u011b a rovnom\u011brn\u011b \u2013 nap\u0159. 6063 nebo 6463. <\/li>\n
  • Obrobitelnost:<\/strong> Pokud budou d\u00edly po extruzi obr\u00e1b\u011bny, vrt\u00e1ny nebo fr\u00e9zov\u00e1ny, zva\u017ete slitiny, kter\u00e9 dob\u0159e reaguj\u00ed na obr\u00e1b\u011bn\u00ed bez trh\u00e1n\u00ed nebo siln\u00e9ho zpevn\u011bn\u00ed. <\/li>\n
  • Cena a dostupnost:<\/strong> B\u011b\u017en\u00e9 slitiny \u0159ady 6000 nab\u00edzej\u00ed dobrou rovnov\u00e1hu. Exotick\u00e9 nebo vysoce pevn\u00e9 slitiny mohou b\u00fdt dra\u017e\u0161\u00ed a jejich nab\u00eddka m\u016f\u017ee b\u00fdt omezen\u00e1. <\/li>\n
  • Tepeln\u00e1 stabilita nebo odolnost proti korozi:<\/strong> Pro venkovn\u00ed pou\u017eit\u00ed, pou\u017eit\u00ed v prost\u0159ed\u00ed s vysokou vlhkost\u00ed nebo v n\u00e1mo\u0159n\u00edm prost\u0159ed\u00ed se up\u0159ednost\u0148uj\u00ed slitiny s lep\u0161\u00ed odolnost\u00ed proti korozi a toleranc\u00ed v\u016f\u010di cykl\u016fm odleh\u010den\u00ed nap\u011bt\u00ed (nap\u0159. 6005A, 6063T6). <\/li>\n<\/ul>\n

    P\u0159\u00edklad srovn\u00e1n\u00ed slitin<\/h3>\n\n\n\n\n\n\n\n\n\n
    Slitina<\/th>\nSnadnost extruze<\/th>\nS\u00edla<\/th>\nPovrchov\u00e1 \u00faprava \/ Zpracovatelnost<\/th>\nTypick\u00e9 p\u0159\u00edpady pou\u017eit\u00ed<\/th>\n<\/tr>\n<\/thead>\n
    6063<\/td>\nVelmi dobr\u00e9<\/td>\nSt\u0159edn\u00ed<\/td>\nVynikaj\u00edc\u00ed (eloxov\u00e1n\u00ed, lakov\u00e1n\u00ed)<\/td>\nArchitektonick\u00e9 profily, r\u00e1my, z\u00e1bradl\u00ed<\/td>\n<\/tr>\n
    6061<\/td>\nDobr\u00fd<\/td>\nVysok\u00e1<\/td>\nDobr\u00fd<\/td>\nSou\u010d\u00e1sti stroj\u016f, konstruk\u010dn\u00ed prvky<\/td>\n<\/tr>\n
    6082<\/td>\nM\u00edrn\u00e1<\/td>\nVysok\u00e1<\/td>\nM\u00edrn\u00e1<\/td>\nKonstruk\u010dn\u00ed nosn\u00edky, t\u011b\u017ek\u00e9 r\u00e1my<\/td>\n<\/tr>\n
    6005A<\/td>\nM\u00edrn\u011b t\u011b\u017e\u0161\u00ed<\/td>\nVysok\u00e1<\/td>\nDobr\u00fd<\/td>\nVysoce pevn\u00e9 konstruk\u010dn\u00ed d\u00edly, r\u00e1my<\/td>\n<\/tr>\n
    6463<\/td>\nVelmi dobr\u00e9<\/td>\nSt\u0159edn\u00ed<\/td>\nVynikaj\u00edc\u00ed (dekorativn\u00ed)<\/td>\nDekorativn\u00ed li\u0161ty, r\u00e1my n\u00e1bytku<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

    V\u00fdrobci extrudovan\u00fdch profil\u016f \u010dasto vol\u00ed slitinu 6063 pro dekorativn\u00ed nebo eloxovan\u00e9 d\u00edly a slitinu 6061 nebo 6082, pokud je d\u016fle\u017eit\u00e1 pevnost. N\u011bkdy jsou v\u0161ak zapot\u0159eb\u00ed speci\u00e1ln\u00ed slitiny \u2013 v takov\u00e9m p\u0159\u00edpad\u011b je nutn\u00e9 proces p\u0159izp\u016fsobit.<\/p>\n

    Z minul\u00fdch projekt\u016f jsem se nau\u010dil, \u017ee pou\u017eit\u00ed materi\u00e1lu 6061 pro architektonick\u00e9 li\u0161ty vedlo k viditeln\u00fdm povrchov\u00fdm vad\u00e1m, pokud nebyla matrice vyle\u0161t\u011bna a podm\u00ednky extruze ide\u00e1ln\u00ed. Na druhou stranu, pokus o extruzi vysoce pevn\u00e9 slitiny ur\u010den\u00e9 pro konstruk\u010dn\u00ed nosn\u00edky pomoc\u00ed matrice ur\u010den\u00e9 pro materi\u00e1l 6063 vedl k opot\u0159eben\u00ed matrice a \u0161patn\u00e9mu tvaru profilu. <\/p>\n

    V\u00fdb\u011br slitiny by proto m\u011bl odpov\u00eddat kone\u010dn\u00e9mu pou\u017eit\u00ed a proces vytla\u010dov\u00e1n\u00ed se mus\u00ed p\u0159izp\u016fsobit dan\u00e9 slitin\u011b. Komunikujte se sv\u00fdm dodavatelem: slitina, teplotn\u00ed stav, o\u010dek\u00e1van\u00e9 zat\u00ed\u017een\u00ed, po\u017eadavky na povrchovou \u00fapravu \u2013 to v\u0161e ovliv\u0148uje nastaven\u00ed. <\/p>\n

    <\/svg> 6063 je ide\u00e1ln\u00ed, pokud jsou prioritou povrchov\u00e1 \u00faprava a eloxov\u00e1n\u00ed.<\/b>Pravda<\/span><\/p>

    Snadno se vytla\u010duje, vytv\u00e1\u0159\u00ed hladk\u00e9 povrchy a dob\u0159e reaguje na eloxov\u00e1n\u00ed nebo lakov\u00e1n\u00ed.<\/p><\/div>
    \n

    <\/svg> Vysoce pevn\u00e9 slitiny se v\u017edy extruduj\u00ed stejn\u011b snadno jako slitina 6063.<\/b>False<\/span><\/p>

    Siln\u011bj\u0161\u00ed slitiny \u010dasto br\u00e1n\u00ed toku, vy\u017eaduj\u00ed vy\u0161\u0161\u00ed tlak a mohou zp\u016fsobit zv\u00fd\u0161en\u00e9 opot\u0159eben\u00ed formy nebo vady, pokud nen\u00ed proces upraven.<\/p><\/div> <\/p>\n

    \n

    Mohou chyby p\u0159i manipulaci po\u0161kodit profily?<\/h2>\n

    I dokonale extrudovan\u00fd hlin\u00edk m\u016f\u017ee b\u00fdt po\u0161kozen nespr\u00e1vnou manipulac\u00ed, skladov\u00e1n\u00edm nebo p\u0159epravou. Jednoduch\u00e9 chyby vedou k po\u0161kr\u00e1b\u00e1n\u00ed, prom\u00e1\u010dknut\u00ed, deformaci \u2013 n\u011bkdy je\u0161t\u011b p\u0159edt\u00edm, ne\u017e d\u00edl opust\u00ed z\u00e1vod.<\/p>\n

    Extrudovan\u00e9 hlin\u00edkov\u00e9 profily vy\u017eaduj\u00ed opatrnou manipulaci, spr\u00e1vn\u00e9 skladov\u00e1n\u00ed a spr\u00e1vn\u00e9 postupy p\u0159i manipulaci. Nespr\u00e1vn\u00e1 manipulace m\u016f\u017ee zp\u016fsobit deformaci tvaru, po\u0161kr\u00e1b\u00e1n\u00ed povrchu nebo vznik nap\u011b\u0165ov\u00fdch vrstev, kter\u00e9 zkracuj\u00ed \u017eivotnost d\u00edlu.<\/strong><\/p>\n

    \"\u010c\u00edna
    \u010c\u00edna hlin\u00edkov\u00e9 vytla\u010dov\u00e1n\u00ed 6061 6063 eloxovan\u00e9 hlin\u00edkov\u00e9 trubky<\/figcaption><\/figure>\n<\/p>\n

    \u010cast\u00e9 chyby p\u0159i manipulaci a jejich d\u016fsledky<\/h3>\n\n\n\n\n\n\n\n\n\n
    Chyba nebo stav<\/th>\nZp\u016fsoben\u00e9 \u0161kody<\/th>\nDopad na kone\u010dn\u00fd produkt<\/th>\n<\/tr>\n<\/thead>\n
    P\u00e1d nebo hrub\u00e9 zach\u00e1zen\u00ed<\/td>\nProm\u00e1\u010dkliny, r\u00fdhy, povrchov\u00e9 \u0161kr\u00e1bance<\/td>\n\u0160patn\u00fd vzhled; koncentrace nap\u011bt\u00ed<\/td>\n<\/tr>\n
    \u0160patn\u00e9 skl\u00e1d\u00e1n\u00ed \/ \u017e\u00e1dn\u00e9 vycp\u00e1vky<\/td>\nOd\u011br povrchu, \u0161kr\u00e1bance<\/td>\n\u0160patn\u00e1 povrchov\u00e1 \u00faprava, m\u016f\u017ee vy\u017eadovat le\u0161t\u011bn\u00ed<\/td>\n<\/tr>\n
    Oh\u00fdb\u00e1n\u00ed b\u011bhem p\u0159epravy<\/td>\nDeformace, zkroucen\u00ed, nesouosost<\/td>\nProfily mimo tvar; nepou\u017eiteln\u00e9 \u010d\u00e1sti<\/td>\n<\/tr>\n
    Vystaven\u00ed vlhkosti \/ kontaminuj\u00edc\u00edm l\u00e1tk\u00e1m<\/td>\nKoroze, oxidace, skvrny<\/td>\nOslaben\u00e9 povrchy; probl\u00e9my s povrchovou \u00fapravou<\/td>\n<\/tr>\n
    Nespr\u00e1vn\u00e9 \u0159ez\u00e1n\u00ed nebo obr\u00e1b\u011bn\u00ed<\/td>\nOt\u0159epy, zdroje nap\u011bt\u00ed, deformace<\/td>\nSlab\u00e1 m\u00edsta, potenci\u00e1l struktur\u00e1ln\u00edho selh\u00e1n\u00ed<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

    I mal\u00e9 prom\u00e1\u010dkliny nebo \u0161kr\u00e1bance na kosmetick\u00e9m profilu kaz\u00ed jeho vzhled. U konstruk\u010dn\u00edch d\u00edl\u016f prom\u00e1\u010dkliny koncentruj\u00ed nap\u011bt\u00ed a vedou k p\u0159ed\u010dasn\u00e9 \u00fanav\u011b materi\u00e1lu nebo zlomen\u00ed. Deformovan\u00e9 profily nemus\u00ed pasovat, co\u017e zp\u016fsobuje probl\u00e9my p\u0159i mont\u00e1\u017ei.<\/p>\n

    Mezi preventivn\u00ed opat\u0159en\u00ed pat\u0159\u00ed:<\/p>\n

      \n
    • P\u0159i stohov\u00e1n\u00ed profil\u016f pou\u017e\u00edvejte polstrovan\u00e9 podp\u011bry. Pom\u016f\u017ee m\u011bkk\u00e9 d\u0159evo, p\u011bna nebo guma. <\/li>\n
    • Pro p\u0159epravu pou\u017eijte p\u00e1sky nebo popruhy s ochrann\u00fdmi kryty hran. <\/li>\n
    • Skladujte v suchu, ide\u00e1ln\u011b zabalen\u00e9 nebo zakryt\u00e9, aby se zabr\u00e1nilo vlhkosti nebo zne\u010di\u0161t\u011bn\u00ed. <\/li>\n
    • S dlouh\u00fdmi profily zach\u00e1zejte opatrn\u011b \u2013 pou\u017eijte v\u00edce osob nebo zvedac\u00ed pom\u016fcky. <\/li>\n
    • P\u0159ed obr\u00e1b\u011bn\u00edm nebo mont\u00e1\u017e\u00ed zkontrolujte profily: zkontrolujte rovnost, p\u0159ilo\u017ete prav\u00edtko po cel\u00e9 d\u00e9lce a zkontrolujte, zda nejsou ohnut\u00e9. <\/li>\n
    • Odstra\u0148te ot\u0159epy z konc\u016f, o\u010dist\u011bte povrchy a p\u0159ed pou\u017eit\u00edm skladujte v rovn\u00e9 poloze. <\/li>\n<\/ul>\n

      Z minul\u00fdch projekt\u016f si vzpom\u00edn\u00e1m, \u017ee jsem objednal dlouh\u00e9 profily o d\u00e9lce 3000 mm pro r\u00e1my. Dorazily pevn\u011b naskl\u00e1dan\u00e9 bez jak\u00e9koli v\u00fdpln\u011b \u2013 po\u0161kr\u00e1ban\u00e9 a prom\u00e1\u010dknut\u00e9. Museli jsme je vyle\u0161tit a znovu eloxovat, co\u017e zv\u00fd\u0161ilo n\u00e1klady a zpozdilo harmonogram. Pou\u010den\u00ed: zp\u016fsob manipulace a skladov\u00e1n\u00ed je stejn\u011b d\u016fle\u017eit\u00fd jako zp\u016fsob extruze. <\/p>\n

      Extrudovan\u00fd hlin\u00edk tedy nen\u00ed \u201chotov\u00fdm v\u00fdrobkem\u201d, dokud nen\u00ed spr\u00e1vn\u011b manipulov\u00e1n, skladov\u00e1n a p\u0159epravov\u00e1n. Pokud tuto p\u00e9\u010di vynech\u00e1te, kvalita kles\u00e1. <\/p>\n

      <\/svg> Nespr\u00e1vn\u00e1 manipulace a skladov\u00e1n\u00ed po extruzi m\u016f\u017ee p\u0159ed pou\u017eit\u00edm v\u00e9st ke zdeformov\u00e1n\u00ed nebo po\u0161kozen\u00ed profil\u016f.<\/b>Pravda<\/span><\/p>

      Prom\u00e1\u010dknut\u00ed, ohnut\u00ed nebo vystaven\u00ed vlhkosti naru\u0161uj\u00ed povrchovou a struktur\u00e1ln\u00ed integritu p\u0159ed jak\u00fdmkoli obr\u00e1b\u011bn\u00edm nebo mont\u00e1\u017e\u00ed.<\/p><\/div>
      \n

      <\/svg> Po dokon\u010den\u00ed extruze nem\u00e1 manipulace \u017e\u00e1dn\u00fd vliv na kone\u010dn\u00e9 vlastnosti d\u00edlu.<\/b>False<\/span><\/p>

      Po\u0161kozen\u00ed p\u0159i manipulaci nebo p\u0159eprav\u011b m\u016f\u017ee zp\u016fsobit vady, kter\u00e9 ohroz\u00ed pevnost nebo povrchovou \u00fapravu, i kdy\u017e byl proces vytla\u010dov\u00e1n\u00ed dokonal\u00fd.<\/p><\/div> <\/p>\n

      \n

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

      Extruze hlin\u00edku nab\u00edz\u00ed flexibilitu, efektivitu a univerz\u00e1lnost. \u00dasp\u011bch v\u0161ak nez\u00e1vis\u00ed pouze na protla\u010dov\u00e1n\u00ed kovu skrz matrici. Kvalita polotovaru, kontrola procesu, konstrukce matrice, kontrola, v\u00fdb\u011br slitiny a pe\u010dliv\u00e1 manipulace hraj\u00ed kl\u00ed\u010dovou roli. P\u0159ehl\u00e9dnut\u00ed kter\u00e9hokoli z t\u011bchto faktor\u016f m\u016f\u017ee ohrozit pevnost, povrchovou \u00fapravu nebo rozm\u011brovou kvalitu. D\u016fraz na ka\u017ed\u00fd krok \u2013 od suroviny a\u017e po kone\u010dnou dod\u00e1vku \u2013 zaji\u0161\u0165uje, \u017ee hlin\u00edkov\u00e9 d\u00edly funguj\u00ed podle o\u010dek\u00e1v\u00e1n\u00ed.<\/p>","protected":false},"excerpt":{"rendered":"

      10 Series Golden Aluminum Extrusion Profiles Aluminum extrusion seems simple: feed a billet, push it through a die, get a profile. Yet many pitfalls lurk before, during, and after extrusion. Without care, defects happen. Quality drops. Finished parts fail. Many factors\u2014from alloy selection to handling and inspection\u2014affect extrusion results. Being aware of them helps get […]<\/p>\n","protected":false},"author":6,"featured_media":7211,"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-26475","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\/26475","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=26475"}],"version-history":[{"count":0,"href":"https:\/\/sinoextrud.com\/cs\/wp-json\/wp\/v2\/posts\/26475\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/sinoextrud.com\/cs\/wp-json\/wp\/v2\/media\/7211"}],"wp:attachment":[{"href":"https:\/\/sinoextrud.com\/cs\/wp-json\/wp\/v2\/media?parent=26475"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/sinoextrud.com\/cs\/wp-json\/wp\/v2\/categories?post=26475"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/sinoextrud.com\/cs\/wp-json\/wp\/v2\/tags?post=26475"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}