Extruze je jen polovina p\u0159\u00edb\u011bhu: 2024 opou\u0161t\u00ed lis v m\u011bkk\u00e9m stavu a mus\u00ed b\u00fdt tepeln\u011b zpracov\u00e1na, aby dos\u00e1hla sv\u00e9 jmenovit\u00e9 pevnosti, a jej\u00ed chov\u00e1n\u00ed p\u0159i korozi a sva\u0159ov\u00e1n\u00ed stanovuje tvrd\u00e9 limity pro to, kde m\u016f\u017ee b\u00fdt profil pou\u017eit. N\u00e1sleduj\u00edc\u00ed sekce proch\u00e1zej\u00ed proces, volby stavu vytvrzen\u00ed a kompromisy, abyste mohli rozhodnout, zda extrudovan\u00fd profil 2024 vyhovuje dan\u00e9mu \u00fakolu, ne\u017e jej specifikujete.<\/p>\n\n\n\n
Pro\u010d 2024 pro extrudovan\u00e9 tvary<\/h2>\n\n\n\n
2024 si zaslou\u017e\u00ed sv\u00e9 m\u00edsto d\u00edky pevnosti a odolnosti proti \u00fanav\u011b, kter\u00e9 v\u011bt\u0161ina extruovateln\u00fdch slitin nedok\u00e1\u017ee vyrovnat. S m\u011bd\u00ed v rozmez\u00ed 3,8\u20134,9% a ho\u0159\u010d\u00edkem plus manganem dopl\u0148uj\u00edc\u00edmi sm\u011bs dosahuj\u00ed typick\u00e9 stavy vytvrzen\u00ed meze pevnosti v tahu 470\u2013483 MPa a meze kluzu 325\u2013345 MPa \u2014 v\u00fdrazn\u011b nad 6061 a 6082 ve stejn\u00e9m tvaru profilu.<\/p>\n\n\n\n
Tato pevnost p\u0159in\u00e1\u0161\u00ed t\u0159i n\u00e1klady, se kter\u00fdmi mus\u00edte po\u010d\u00edtat. Za prv\u00e9, extruovatelnost 2024 je ni\u017e\u0161\u00ed ne\u017e u \u0159ady 6xxx: vysok\u00fd obsah m\u011bdi \u010din\u00ed kov tu\u017e\u0161\u00edm pro protla\u010dov\u00e1n\u00ed, tak\u017ee rychlosti lisu jsou ni\u017e\u0161\u00ed a riziko povrchov\u00fdch vad vy\u0161\u0161\u00ed. Za druh\u00e9, tepeln\u00e1 vodivost je pouze asi 121 W\/m\u00b7K, p\u0159ibli\u017en\u011b 25% pod 6061-T6, tak\u017ee je \u0161patnou volbou pro odvod tepla. Za t\u0159et\u00ed, odolnost proti korozi je n\u00edzk\u00e1 a sva\u0159ov\u00e1n\u00ed m\u016f\u017ee zp\u016fsobit prask\u00e1n\u00ed v tepeln\u011b ovlivn\u011bn\u00e9 z\u00f3n\u011b, co\u017e sm\u011bruje mont\u00e1\u017e k n\u00fdt\u016fm, lepidl\u016fm nebo mechanick\u00fdm spojovac\u00edm prvk\u016fm.<\/p>\n\n\n\n
Extruzn\u00ed proces krok za krokem<\/h2>\n\n\n\n![\"\"](\"https:\/\/premiumalu.com\/wp-content\/uploads\/2025\/02\/The-Extrusion-Process-Step-by-Step.png\")
<\/figure>\n\n\n\nExtruze za\u010d\u00edn\u00e1 kruhov\u00fdm sochorem 2024 na\u0159ezan\u00fdm na d\u00e9lku a zah\u0159\u00e1t\u00fdm na p\u0159ibli\u017en\u011b 400\u2013480 \u00b0C (750\u2013900 \u00b0F). To zm\u011bk\u010d\u00ed slitinu natolik, aby prot\u00e9kala matric\u00ed bez trh\u00e1n\u00ed, i kdy\u017e z\u016fst\u00e1v\u00e1 v\u00fdrazn\u011b pod teplotou rozpou\u0161t\u011bc\u00edho \u017e\u00edh\u00e1n\u00ed.<\/p>\n\n\n\n
Zah\u0159\u00e1t\u00fd sochor se vlo\u017e\u00ed do kontejneru lisu a hydraulick\u00fd p\u00edst jej protla\u010d\u00ed otvorem matrice. Vystupuj\u00edc\u00ed profil se chlad\u00ed, obvykle kal\u00ed ve vod\u011b pro stavy jako T3\/T4\/T6, pot\u00e9 se m\u00edrn\u011b nat\u00e1hne pro vyrovn\u00e1n\u00ed a odstran\u011bn\u00ed zbytkov\u00e9ho nap\u011bt\u00ed a nakonec se roz\u0159e\u017ee na d\u00e9lku. Teplota, rychlost a na\u010dasov\u00e1n\u00ed kalen\u00ed ovliv\u0148uj\u00ed v\u00fdslednou strukturu zrn a vlastnosti, tak\u017ee jsou udr\u017eov\u00e1ny v \u00fazk\u00e9m rozmez\u00ed pro v\u00fdstup v leteck\u00e9 kvalit\u011b.<\/p>\n\n\n\n
P\u0159\u00edm\u00e1 vs nep\u0159\u00edm\u00e1 extruze<\/h2>\n\n\n\n![\"\"](\"https:\/\/premiumalu.com\/wp-content\/uploads\/2025\/02\/Direct-vs-Indirect-Extrusion.png\")
<\/figure>\n\n\n\nDv\u011b uspo\u0159\u00e1d\u00e1n\u00ed lisu dominuj\u00ed extruzi hlin\u00edku a rozd\u00edl spo\u010d\u00edv\u00e1 v tom, kter\u00e1 \u010d\u00e1st se pohybuje. P\u0159i p\u0159\u00edm\u00e9 (dop\u0159edn\u00e9) extruzi<\/strong>, p\u00edst protla\u010duje sochor stacion\u00e1rn\u00ed matric\u00ed; sochor klou\u017ee po cel\u00e9 d\u00e9lce kontejneru, tak\u017ee t\u0159en\u00ed o st\u011bny p\u0159id\u00e1v\u00e1 s\u00edlu a zat\u00ed\u017een\u00ed vrchol\u00ed brzy a pot\u00e9 kles\u00e1, jak se sochor zkracuje. P\u0159i nep\u0159\u00edm\u00e9 (zp\u011btn\u00e9) extruzi<\/strong>, sochor z\u016fst\u00e1v\u00e1 na m\u00edst\u011b v kontejneru, zat\u00edmco dut\u00fd p\u00edst nese matrici do n\u011bj, tak\u017ee nedoch\u00e1z\u00ed t\u00e9m\u011b\u0159 k \u017e\u00e1dn\u00e9mu t\u0159en\u00ed mezi sochorem a kontejnerem.<\/p>\n\n\n\nFunkce<\/th> P\u0159\u00edm\u00e9 vytla\u010dov\u00e1n\u00ed<\/th> Nep\u0159\u00edm\u00e9 vytla\u010dov\u00e1n\u00ed<\/th><\/tr><\/thead> Billet Movement<\/td> Pohybuje se kontejnerem<\/td> Stacion\u00e1rn\u00ed v kontejneru<\/td><\/tr> Pohyb zem\u0159el\u00fdch<\/td> Stacion\u00e1rn\u00ed<\/td> Pohybuje se s dut\u00fdm p\u00edstem<\/td><\/tr> T\u0159en\u00ed<\/td> Vysok\u00e9 (sochor se t\u0159e o st\u011bnu)<\/td> Velmi n\u00edzk\u00e9 (\u017e\u00e1dn\u00e9 klouz\u00e1n\u00ed po st\u011bn\u011b)<\/td><\/tr> Po\u017eadovan\u00e1 s\u00edla<\/td> Vy\u0161\u0161\u00ed<\/td> ~25\u201330% ni\u017e\u0161\u00ed<\/td><\/tr> D\u00e9lka profilu<\/td> Dlouh\u00e9 d\u00e9lky praktick\u00e9<\/td> Omezeno vrt\u00e1n\u00edm dut\u00e9ho p\u00edstu<\/td><\/tr> Nejlep\u0161\u00ed pro<\/td> Standardn\u00ed pln\u00e9 profily, dlouh\u00e9 d\u00edly<\/td> Tenk\u00e9 st\u011bny, dut\u00e9, jemn\u00fd povrch<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\nNep\u0159\u00edm\u00e1 extruze poskytuje lep\u0161\u00ed povrchovou \u00fapravu a ni\u017e\u0161\u00ed zbytkov\u00e9 nap\u011bt\u00ed, co\u017e pom\u00e1h\u00e1 vzhledu po anodizaci, ale dut\u00fd p\u00edst omezuje velikost pr\u016f\u0159ezu a zvy\u0161uje n\u00e1klady na n\u00e1stroje. P\u0159\u00edm\u00e1 extruze z\u016fst\u00e1v\u00e1 pracovn\u00edm kon\u011bm pro v\u011bt\u0161inu profil\u016f 2024, proto\u017ee je jednodu\u0161\u0161\u00ed a zvl\u00e1d\u00e1 del\u0161\u00ed d\u00e9lky.<\/p>\n\n\n\n
Tepeln\u00e9 zpracov\u00e1n\u00ed extrudovan\u00e9ho profilu 2024<\/h2>\n\n\n\n![\"\"](\"https:\/\/premiumalu.com\/wp-content\/uploads\/2025\/02\/Heat-Treatment-for-Extruded-2024.png\")
<\/figure>\n\n\n\nExtrudovan\u00fd 2024 je m\u011bkk\u00fd (bl\u00edzko stavu O), dokud nen\u00ed tepeln\u011b zpracov\u00e1n. Rozpou\u0161t\u011bc\u00ed \u017e\u00edh\u00e1n\u00ed jej zah\u0159eje na p\u0159ibli\u017en\u011b 493 \u00b0C (919 \u00b0F), aby se m\u011b\u010f a ho\u0159\u010d\u00edk rozpustily do rovnom\u011brn\u00e9ho tuh\u00e9ho roztoku, pot\u00e9 rychl\u00e9 kalen\u00ed do vody nebo polymeru uzamkne tyto prvky na m\u00edst\u011b. Um\u011bl\u00e9 st\u00e1rnut\u00ed p\u0159i p\u0159ibli\u017en\u011b 190 \u00b0C (375 \u00b0F) pot\u00e9 precipituje jemn\u00e9 \u010d\u00e1stice Al\u2082Cu, kter\u00e9 zvy\u0161uj\u00ed pevnost a tvrdost.<\/p>\n\n\n\n
B\u011b\u017en\u00e9 stavy vytvrzen\u00ed extrudovan\u00fdch profil\u016f jsou:<\/p>\n\n\n\n
\n- T3 \/ T4<\/strong> \u2014 rozpou\u0161t\u011bc\u00edm \u017e\u00edh\u00e1n\u00edm zpracov\u00e1no, za studena tv\u00e1\u0159eno (T3) nebo ne (T4), pot\u00e9 p\u0159irozen\u011b st\u00e1rnuto; vysok\u00e1 tva\u0159itelnost, up\u0159ednost\u0148ov\u00e1no tam, kde je profil po extruzi oh\u00fdb\u00e1n.<\/li>\n\n\n\n
- T351 \/ T3511<\/strong> \u2014 rozpou\u0161t\u011bc\u00edm \u017e\u00edh\u00e1n\u00edm zpracov\u00e1no, odstran\u011bno zbytkov\u00e9 nap\u011bt\u00ed nata\u017een\u00edm (T3511 tak\u00e9 vyrovn\u00e1no), p\u0159irozen\u011b st\u00e1rnuto; typick\u00fd stav vytvrzen\u00ed konstruk\u010dn\u00edho extrudovan\u00e9ho profilu s typick\u00fdmi hodnotami 470\/325 MPa.<\/li>\n\n\n\n
- T6 \/ T851<\/strong> \u2014 rozpou\u0161t\u011bc\u00edm \u017e\u00edh\u00e1n\u00edm zpracov\u00e1no a um\u011ble st\u00e1rnuto (T851 tak\u00e9 odstran\u011bno zbytkov\u00e9 nap\u011bt\u00ed nata\u017een\u00edm); vy\u0161\u0161\u00ed mez kluzu (~393\u2013400 MPa) pro d\u00edly s maxim\u00e1ln\u00ed pevnost\u00ed.<\/li>\n<\/ul>\n\n\n\n
Pr\u00e1ce s extrudovan\u00fdm profilem 2024<\/h2>\n\n\n\n
Obr\u00e1b\u011bn\u00ed je silnou str\u00e1nkou 2024: dosahuje p\u0159ibli\u017en\u011b 70% na standardn\u00ed stupnici obrobitelnosti, l\u00e9pe ne\u017e 6061, a produkuje kr\u00e1tk\u00e9 t\u0159\u00edsky, kter\u00e9 jsou \u0161etrn\u00e9 k n\u00e1stroj\u016fm. CNC fr\u00e9zov\u00e1n\u00ed a soustru\u017een\u00ed udr\u017euj\u00ed t\u011bsn\u00e9 tolerance pro leteck\u00e9 a automobilov\u00e9 sou\u010d\u00e1sti.<\/p>\n\n\n\n
Sva\u0159ov\u00e1n\u00ed je slab\u00fdm m\u00edstem. Tepeln\u011b ovlivn\u011bn\u00e1 z\u00f3na (HAZ \u2014 p\u00e1smo vedle svaru, kter\u00e9 se rychle zah\u0159\u00edv\u00e1 a chlad\u00ed) je n\u00e1chyln\u00e9 k prask\u00e1n\u00ed za tepla, tak\u017ee tavn\u00e9 sva\u0159ov\u00e1n\u00ed vy\u017eaduje p\u0159\u00eddavn\u00fd materi\u00e1l 2319 a pe\u010dliv\u00fd postup a mnoho konstruk\u010dn\u00edch \u00faloh se mu zcela vyh\u00fdb\u00e1 ve prosp\u011bch n\u00fdt\u016f, lepidel nebo \u0161roub\u016f. Povrchov\u00e1 \u00faprava je d\u016fle\u017eit\u00e1, proto\u017ee 2024 v provozu koroduje: anodizace (Typ I chromov\u00e1 nebo Typ II s\u00edrov\u00e1) nebo pl\u00e1tov\u00e1n\u00ed vrstvou \u010dist\u00e9ho hlin\u00edku buduje ochranu a pr\u00e1\u0161kov\u00e9 lakov\u00e1n\u00ed p\u0159id\u00e1v\u00e1 bari\u00e9ru odolnou proti od\u0161t\u00edpnut\u00ed pro venkovn\u00ed d\u00edly.<\/p>\n\n\n\n
Extrudovan\u00fd profil 2024 vs 6061 a 7075<\/h2>\n\n\n\nMajetek<\/th> 2024 (T351\/T6)<\/th> 6061 (T6)<\/th> 7075 (T6)<\/th><\/tr><\/thead> Mez pevnosti v tahu (MPa)<\/td> 470\u2013483<\/td> 310<\/td> 572<\/td><\/tr> Mez kluzu (MPa)<\/td> 325\u2013393<\/td> 276<\/td> 503<\/td><\/tr> Tepeln\u00e1 vodivost (W\/m-K)<\/td> ~121<\/td> 154\u2013167<\/td> ~130<\/td><\/tr> Vytla\u010ditelnost<\/td> St\u0159edn\u00ed (ni\u017e\u0161\u00ed)<\/td> Vysok\u00e1<\/td> N\u00edzk\u00e1<\/td><\/tr> Odolnost proti korozi<\/td> N\u00edzk\u00e1<\/td> Dobr\u00fd<\/td> St\u0159edn\u00ed\u2013n\u00edzk\u00e1<\/td><\/tr> Sva\u0159itelnost<\/td> \u0160patn\u00e1 (prask\u00e1n\u00ed HAZ)<\/td> Dobr\u00fd<\/td> \u0160patn\u00fd<\/td><\/tr> Obrobitelnost<\/td> Dobr\u00fd<\/td> Dobr\u00fd<\/td> Spravedliv\u00e9<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\nZvolte 2024, kdy\u017e pom\u011br pevnosti k hmotnosti a \u00fanava p\u0159eva\u017euj\u00ed nad koroz\u00ed a sva\u0159ov\u00e1n\u00edm. Zvolte 6061, kdy\u017e pot\u0159ebujete sva\u0159ovat, odv\u00e1d\u011bt teplo nebo levn\u011b extruovat slo\u017eit\u00e9 tenkost\u011bnn\u00e9 profily. Zvolte 7075 pouze tehdy, kdy\u017e pot\u0159ebujete \u0161pi\u010dkovou pevnost a m\u016f\u017eete obr\u00e1b\u011bt m\u00edsto sva\u0159ov\u00e1n\u00ed.<\/p>\n\n\n\n
Kde se pou\u017e\u00edvaj\u00ed extrudovan\u00e9 profily 2024<\/h2>\n\n\n\n![\"\"](\"https:\/\/premiumalu.com\/wp-content\/uploads\/2025\/02\/Where-2024-Extrusions-Are-Used.png\")
<\/figure>\n\n\n\nLetectv\u00ed vede spot\u0159ebu: pod\u00e9ln\u00edky trupu, nosn\u00edky a \u017eebra k\u0159\u00eddel a panely potahu pou\u017e\u00edvaj\u00ed extrudovan\u00e9 profily 2024 pro svou \u00fanavovou \u017eivotnost p\u0159i n\u00edzk\u00e9 hmotnosti. Obrann\u00e9 a komer\u010dn\u00ed draky letadel spol\u00e9haj\u00ed na stejn\u00e9 stavy vytvrzen\u00ed pro konstruk\u010dn\u00ed r\u00e1my.<\/p>\n\n\n\n
Automobilov\u00fd a \u017eelezni\u010dn\u00ed pr\u016fmysl pou\u017e\u00edv\u00e1 2024 pro ramena zav\u011b\u0161en\u00ed, p\u0159\u00ed\u010dn\u00edky podvozku a kola n\u00e1kladn\u00edch vozidel, kde pevnost na kilogram sni\u017euje hmotnost. Obecn\u00e9 stroj\u00edrenstv\u00ed jej specifikuje pro vysoce zat\u00ed\u017een\u00e9 konzoly a p\u0159\u00edpravky, kter\u00e9 jsou vystaveny opakovan\u00e9mu zat\u00ed\u017een\u00ed, ale nach\u00e1zej\u00ed se v chr\u00e1n\u011bn\u00e9m nebo povlakovan\u00e9m prost\u0159ed\u00ed.<\/p>\n\n\n\n
Go\/No-Go<\/h2>\n\n\n\n\n- Go<\/strong> pokud d\u00edl pot\u0159ebuje pevnost 450+ MPa v dlouh\u00e9m profilu a pracuje v prost\u0159ed\u00ed s n\u00edzkou koroz\u00ed nebo s pl\u00e1tov\u00e1n\u00edm\/n\u00e1t\u011brem.<\/li>\n\n\n\n
- Go<\/strong> pokud mont\u00e1\u017e pou\u017e\u00edv\u00e1 n\u00fdty, \u0161rouby nebo lepidla m\u00edsto tavn\u00e9ho sva\u0159ov\u00e1n\u00ed.<\/li>\n\n\n\n
- Go<\/strong> pokud je \u00fanavov\u00e1 \u017eivotnost p\u0159i vibrac\u00edch d\u016fle\u017eit\u011bj\u0161\u00ed ne\u017e tepeln\u00e9 rozpt\u00fdlen\u00ed.<\/li>\n\n\n\n
- No-Go<\/strong> pokud mus\u00ed pr\u016f\u0159ez odv\u00e1d\u011bt teplo (chladi\u010de, chladic\u00ed desky) \u2014 zvolte 6061 nebo 6063 pro jejich vodivost ~150\u2013200 W\/m\u00b7K.<\/li>\n\n\n\n
- No-Go<\/strong> pokud je tavn\u00e9 sva\u0159ov\u00e1n\u00ed jedin\u00fdm zp\u016fsobem spojov\u00e1n\u00ed a zat\u00ed\u017een\u00ed je konstruk\u010dn\u00ed \u2014 rozhoduj\u00edc\u00ed bude prask\u00e1n\u00ed v HAZ.<\/li>\n\n\n\n
- No-Go<\/strong> pokud je d\u00edl vystaven soln\u00e9 mlze bez ochrany \u2014 n\u00edzk\u00e1 korozn\u00ed odolnost slitiny 2024 povede k p\u0159ed\u010dasn\u00e9mu selh\u00e1n\u00ed bez pl\u00e1tov\u00e1n\u00ed nebo n\u00e1t\u011bru.<\/li>\n<\/ul>\n\n\n\n
V\u00fdhody a omezen\u00ed<\/h2>\n\n\n\nKlady<\/th> Omezen\u00ed<\/th><\/tr><\/thead> Vysok\u00fd pom\u011br pevnosti k hmotnosti mezi vytla\u010dovateln\u00fdmi slitinami<\/td> Ni\u017e\u0161\u00ed vytla\u010dovatelnost ne\u017e 6xxx (pomalej\u0161\u00ed, n\u00e1chyln\u011bj\u0161\u00ed k vad\u00e1m)<\/td><\/tr> Vynikaj\u00edc\u00ed odolnost proti \u00fanav\u011b<\/td> N\u00edzk\u00e1 korozn\u00ed odolnost, vy\u017eaduje pl\u00e1tov\u00e1n\u00ed\/n\u00e1t\u011br<\/td><\/tr> Dobr\u00e1 obrobitelnost (lep\u0161\u00ed ne\u017e 6061)<\/td> \u0160patn\u00e1 sva\u0159itelnost, hork\u00e9 prask\u00e1n\u00ed v HAZ<\/td><\/tr> V\u00edce stav\u016f vytvrzen\u00ed pro tv\u00e1\u0159en\u00ed vs. pevnost<\/td> Tepeln\u00e1 vodivost p\u0159\u00edli\u0161 n\u00edzk\u00e1 pro chladi\u010de<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\nZ\u00e1v\u011br<\/h2>\n\n\n\n
Vytla\u010dov\u00e1n\u00ed hlin\u00edku 2024 v\u00e1m poskytne pevnost na \u00farovni letectv\u00ed v dlouh\u00fdch profilech s konstantn\u00edm pr\u016f\u0159ezem, ale pouze pokud respektujete jeho limity: pomalej\u0161\u00ed vytla\u010dov\u00e1n\u00ed ne\u017e 6xxx, povinn\u00e9 tepeln\u00e9 zpracov\u00e1n\u00ed, pl\u00e1tov\u00e1n\u00ed nebo n\u00e1t\u011br pro ochranu proti korozi a n\u00fdty nebo spojovac\u00ed prvky m\u00edsto svar\u016f. Slad\u011bte stav vytvrzen\u00ed s \u00falohou \u2014 T351\/T4 pro tv\u00e1\u0159en\u00ed, T6\/T851 pro maxim\u00e1ln\u00ed mez kluzu \u2014 a nepou\u017e\u00edvejte jej pro chladi\u010de a nechr\u00e1n\u011bn\u00e9 n\u00e1mo\u0159n\u00ed aplikace.<\/p>\n\n\n\n
Linsy Aluminum dod\u00e1v\u00e1 2024 ve form\u011b desek, ty\u010d\u00ed, trubek, dr\u00e1t\u016f, svitk\u016f, profil\u016f a blok\u016f s vlastn\u00edm CNC obr\u00e1b\u011bn\u00edm, sva\u0159ov\u00e1n\u00edm TIG\/MIG, laserov\u00fdm \u0159ez\u00e1n\u00edm a povrchovou \u00fapravou, plus MTC ke ka\u017ed\u00e9 objedn\u00e1vce a zpr\u00e1vy SGS na vy\u017e\u00e1d\u00e1n\u00ed; zak\u00e1zkov\u00e9 extruze s n\u00edzk\u00fdm MOQ obvykle trvaj\u00ed 10\u201360 dn\u00ed. Pro specifikaci va\u0161\u00ed extruze z 2024 \u2014 slitina, stav vytvrzen\u00ed a pr\u016f\u0159ez \u2014 po\u0161lete sv\u016fj v\u00fdkres nebo po\u017eadavky na\u0161emu t\u00fdmu pro cenovou nab\u00eddku.<\/p>\n\n\n\n
\u010casto kladen\u00e9 ot\u00e1zky<\/h2>\n\n\n\nLze hlin\u00edk 2024 vytla\u010dovat jako 6061?<\/h3>\n\n\n\n
Ano, ale s ni\u017e\u0161\u00ed vytla\u010dovatelnost\u00ed: vysok\u00fd obsah m\u011bdi vy\u017eaduje ni\u017e\u0161\u00ed rychlosti lisu a p\u0159\u00edsn\u011bj\u0161\u00ed kontrolu procesu a povrchov\u00e9 vady jsou pravd\u011bpodobn\u011bj\u0161\u00ed. Je to standardn\u00ed vytla\u010dovateln\u00e1 slitina, jen ne tak rychl\u00e1 nebo levn\u00e1 na zpracov\u00e1n\u00ed jako \u0159ada 6xxx.<\/p>\n\n\n\n
Kter\u00fd stav vytvrzen\u00ed m\u00e1m specifikovat pro extruzi z 2024?<\/h3>\n\n\n\n
T351 nebo T3511 pro konstruk\u010dn\u00ed profily, kter\u00e9 mohou b\u00fdt po vytla\u010dov\u00e1n\u00ed oh\u00fdb\u00e1ny, T4 tam, kde sta\u010d\u00ed p\u0159irozen\u00e9 st\u00e1rnut\u00ed, a T6 nebo T851, kdy\u017e pot\u0159ebujete nejvy\u0161\u0161\u00ed mez kluzu (asi 393\u2013400 MPa) a m\u016f\u017eete obr\u00e1b\u011bt m\u00edsto sva\u0159ov\u00e1n\u00ed.<\/p>\n\n\n\n
Pro\u010d se 2024 nepou\u017e\u00edv\u00e1 pro chladi\u010de?<\/h3>\n\n\n\n
Jeho tepeln\u00e1 vodivost je pouze asi 121 W\/m\u00b7K, proto\u017ee m\u011b\u010f rozptyluje elektrony p\u0159en\u00e1\u0161ej\u00edc\u00ed teplo, co\u017e je v\u00fdrazn\u011b pod 6061-T6 (154\u2013167) a 6063 (200). Pro p\u0159enos tepla zvolte m\u00edsto toho 6061, 6063 nebo 1050\/1100.<\/p>\n\n\n\n
Je hlin\u00edk 2024 sva\u0159iteln\u00fd?<\/h3>\n\n\n\n
Tavn\u00e9 sva\u0159ov\u00e1n\u00ed je \u0161patn\u00e9, proto\u017ee z\u00f3na ovlivn\u011bn\u00e1 teplem prask\u00e1. Pou\u017eijte p\u0159\u00eddavn\u00fd materi\u00e1l 2319 s \u0159\u00edzen\u00fdm postupem, kdy\u017e je sva\u0159ov\u00e1n\u00ed nevyhnuteln\u00e9, ale pro konstruk\u010dn\u00ed spoje jsou preferov\u00e1ny n\u00fdty, lepidla nebo mechanick\u00e9 spojovac\u00ed prvky.<\/p>\n\n\n\n
Jak si extruze z 2024 stoj\u00ed ve srovn\u00e1n\u00ed s 7075?<\/h3>\n\n\n\n
7075 je pevn\u011bj\u0161\u00ed (572 MPa UTS), ale je\u0161t\u011b obt\u00ed\u017en\u011bji se vytla\u010duje a sva\u0159uje; 2024 vym\u011b\u0148uje \u010d\u00e1st vrcholov\u00e9 pevnosti za lep\u0161\u00ed obrobitelnost a \u00fanavovou \u017eivotnost. Zvolte 2024 pro konstrukce kritick\u00e9 z hlediska \u00fanavy, 7075 pro maxim\u00e1ln\u00ed statickou pevnost, kterou budete obr\u00e1b\u011bt.<\/p>\n\n\n\n
Pot\u0159ebuje extruze z 2024 ochranu proti korozi?<\/h3>\n\n\n\n
Ano. Nechr\u00e1n\u011bn\u00fd 2024 snadno koroduje, zejm\u00e9na v soln\u00e9 nebo pr\u016fmyslov\u00e9 atmosf\u00e9\u0159e. Anodizace, alclad (pl\u00e1tov\u00e1n\u00ed \u010dist\u00fdm hlin\u00edkem) nebo pr\u00e1\u0161kov\u00e9 lakov\u00e1n\u00ed jsou standardem a pl\u00e1tov\u00e1n\u00ed je b\u011b\u017en\u00e9 u leteck\u00fdch plech\u016f a profil\u016f.<\/p>","protected":false},"excerpt":{"rendered":"
What Is 2024 Aluminum Extrusion 2024 aluminum extrusion forces a heated 2024 billet through a shaped die to make long, constant-cross-section profiles \u2014 bars, structural sections, and hollow shapes \u2014 that keep the alloy’s high strength-to-weight ratio. The process turns a copper-rich, heat-treatable alloy into finished lengths that aircraft and vehicle structures use where stiffness […]<\/p>\n","protected":false},"author":3,"featured_media":10486,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_seopress_titles_title":"2024 Aluminum Extrusion: Process, Tempers & Tips","_seopress_titles_desc":"2024 aluminum extrusion gives high strength in long profiles, but tempers, welding, and heat-sink limits differ from 6061. See the process and trade-offs.","_seopress_robots_index":"","_seopress_robots_follow":"","_seopress_robots_imageindex":"","_seopress_robots_snippet":"","_seopress_robots_primary_cat":"","_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":"","_seopress_redirections_param":"","_seopress_redirections_type":0,"_seopress_analysis_target_kw":"","footnotes":""},"categories":[174],"tags":[],"class_list":["post-7822","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-2000-series-aluminum"],"_links":{"self":[{"href":"https:\/\/premiumalu.com\/cs\/wp-json\/wp\/v2\/posts\/7822","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/premiumalu.com\/cs\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/premiumalu.com\/cs\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/premiumalu.com\/cs\/wp-json\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/premiumalu.com\/cs\/wp-json\/wp\/v2\/comments?post=7822"}],"version-history":[{"count":2,"href":"https:\/\/premiumalu.com\/cs\/wp-json\/wp\/v2\/posts\/7822\/revisions"}],"predecessor-version":[{"id":10491,"href":"https:\/\/premiumalu.com\/cs\/wp-json\/wp\/v2\/posts\/7822\/revisions\/10491"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/premiumalu.com\/cs\/wp-json\/wp\/v2\/media\/10486"}],"wp:attachment":[{"href":"https:\/\/premiumalu.com\/cs\/wp-json\/wp\/v2\/media?parent=7822"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/premiumalu.com\/cs\/wp-json\/wp\/v2\/categories?post=7822"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/premiumalu.com\/cs\/wp-json\/wp\/v2\/tags?post=7822"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}
<\/figure>\n\n\n\nExtruze za\u010d\u00edn\u00e1 kruhov\u00fdm sochorem 2024 na\u0159ezan\u00fdm na d\u00e9lku a zah\u0159\u00e1t\u00fdm na p\u0159ibli\u017en\u011b 400\u2013480 \u00b0C (750\u2013900 \u00b0F). To zm\u011bk\u010d\u00ed slitinu natolik, aby prot\u00e9kala matric\u00ed bez trh\u00e1n\u00ed, i kdy\u017e z\u016fst\u00e1v\u00e1 v\u00fdrazn\u011b pod teplotou rozpou\u0161t\u011bc\u00edho \u017e\u00edh\u00e1n\u00ed.<\/p>\n\n\n\n
Zah\u0159\u00e1t\u00fd sochor se vlo\u017e\u00ed do kontejneru lisu a hydraulick\u00fd p\u00edst jej protla\u010d\u00ed otvorem matrice. Vystupuj\u00edc\u00ed profil se chlad\u00ed, obvykle kal\u00ed ve vod\u011b pro stavy jako T3\/T4\/T6, pot\u00e9 se m\u00edrn\u011b nat\u00e1hne pro vyrovn\u00e1n\u00ed a odstran\u011bn\u00ed zbytkov\u00e9ho nap\u011bt\u00ed a nakonec se roz\u0159e\u017ee na d\u00e9lku. Teplota, rychlost a na\u010dasov\u00e1n\u00ed kalen\u00ed ovliv\u0148uj\u00ed v\u00fdslednou strukturu zrn a vlastnosti, tak\u017ee jsou udr\u017eov\u00e1ny v \u00fazk\u00e9m rozmez\u00ed pro v\u00fdstup v leteck\u00e9 kvalit\u011b.<\/p>\n\n\n\n
P\u0159\u00edm\u00e1 vs nep\u0159\u00edm\u00e1 extruze<\/h2>\n\n\n\n<\/figure>\n\n\n\nDv\u011b uspo\u0159\u00e1d\u00e1n\u00ed lisu dominuj\u00ed extruzi hlin\u00edku a rozd\u00edl spo\u010d\u00edv\u00e1 v tom, kter\u00e1 \u010d\u00e1st se pohybuje. P\u0159i p\u0159\u00edm\u00e9 (dop\u0159edn\u00e9) extruzi<\/strong>, p\u00edst protla\u010duje sochor stacion\u00e1rn\u00ed matric\u00ed; sochor klou\u017ee po cel\u00e9 d\u00e9lce kontejneru, tak\u017ee t\u0159en\u00ed o st\u011bny p\u0159id\u00e1v\u00e1 s\u00edlu a zat\u00ed\u017een\u00ed vrchol\u00ed brzy a pot\u00e9 kles\u00e1, jak se sochor zkracuje. P\u0159i nep\u0159\u00edm\u00e9 (zp\u011btn\u00e9) extruzi<\/strong>, sochor z\u016fst\u00e1v\u00e1 na m\u00edst\u011b v kontejneru, zat\u00edmco dut\u00fd p\u00edst nese matrici do n\u011bj, tak\u017ee nedoch\u00e1z\u00ed t\u00e9m\u011b\u0159 k \u017e\u00e1dn\u00e9mu t\u0159en\u00ed mezi sochorem a kontejnerem.<\/p>\n\n\n\nFunkce<\/th> P\u0159\u00edm\u00e9 vytla\u010dov\u00e1n\u00ed<\/th> Nep\u0159\u00edm\u00e9 vytla\u010dov\u00e1n\u00ed<\/th><\/tr><\/thead> Billet Movement<\/td> Pohybuje se kontejnerem<\/td> Stacion\u00e1rn\u00ed v kontejneru<\/td><\/tr> Pohyb zem\u0159el\u00fdch<\/td> Stacion\u00e1rn\u00ed<\/td> Pohybuje se s dut\u00fdm p\u00edstem<\/td><\/tr> T\u0159en\u00ed<\/td> Vysok\u00e9 (sochor se t\u0159e o st\u011bnu)<\/td> Velmi n\u00edzk\u00e9 (\u017e\u00e1dn\u00e9 klouz\u00e1n\u00ed po st\u011bn\u011b)<\/td><\/tr> Po\u017eadovan\u00e1 s\u00edla<\/td> Vy\u0161\u0161\u00ed<\/td> ~25\u201330% ni\u017e\u0161\u00ed<\/td><\/tr> D\u00e9lka profilu<\/td> Dlouh\u00e9 d\u00e9lky praktick\u00e9<\/td> Omezeno vrt\u00e1n\u00edm dut\u00e9ho p\u00edstu<\/td><\/tr> Nejlep\u0161\u00ed pro<\/td> Standardn\u00ed pln\u00e9 profily, dlouh\u00e9 d\u00edly<\/td> Tenk\u00e9 st\u011bny, dut\u00e9, jemn\u00fd povrch<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\nNep\u0159\u00edm\u00e1 extruze poskytuje lep\u0161\u00ed povrchovou \u00fapravu a ni\u017e\u0161\u00ed zbytkov\u00e9 nap\u011bt\u00ed, co\u017e pom\u00e1h\u00e1 vzhledu po anodizaci, ale dut\u00fd p\u00edst omezuje velikost pr\u016f\u0159ezu a zvy\u0161uje n\u00e1klady na n\u00e1stroje. P\u0159\u00edm\u00e1 extruze z\u016fst\u00e1v\u00e1 pracovn\u00edm kon\u011bm pro v\u011bt\u0161inu profil\u016f 2024, proto\u017ee je jednodu\u0161\u0161\u00ed a zvl\u00e1d\u00e1 del\u0161\u00ed d\u00e9lky.<\/p>\n\n\n\n
Tepeln\u00e9 zpracov\u00e1n\u00ed extrudovan\u00e9ho profilu 2024<\/h2>\n\n\n\n<\/figure>\n\n\n\nExtrudovan\u00fd 2024 je m\u011bkk\u00fd (bl\u00edzko stavu O), dokud nen\u00ed tepeln\u011b zpracov\u00e1n. Rozpou\u0161t\u011bc\u00ed \u017e\u00edh\u00e1n\u00ed jej zah\u0159eje na p\u0159ibli\u017en\u011b 493 \u00b0C (919 \u00b0F), aby se m\u011b\u010f a ho\u0159\u010d\u00edk rozpustily do rovnom\u011brn\u00e9ho tuh\u00e9ho roztoku, pot\u00e9 rychl\u00e9 kalen\u00ed do vody nebo polymeru uzamkne tyto prvky na m\u00edst\u011b. Um\u011bl\u00e9 st\u00e1rnut\u00ed p\u0159i p\u0159ibli\u017en\u011b 190 \u00b0C (375 \u00b0F) pot\u00e9 precipituje jemn\u00e9 \u010d\u00e1stice Al\u2082Cu, kter\u00e9 zvy\u0161uj\u00ed pevnost a tvrdost.<\/p>\n\n\n\n
B\u011b\u017en\u00e9 stavy vytvrzen\u00ed extrudovan\u00fdch profil\u016f jsou:<\/p>\n\n\n\n
\n- T3 \/ T4<\/strong> \u2014 rozpou\u0161t\u011bc\u00edm \u017e\u00edh\u00e1n\u00edm zpracov\u00e1no, za studena tv\u00e1\u0159eno (T3) nebo ne (T4), pot\u00e9 p\u0159irozen\u011b st\u00e1rnuto; vysok\u00e1 tva\u0159itelnost, up\u0159ednost\u0148ov\u00e1no tam, kde je profil po extruzi oh\u00fdb\u00e1n.<\/li>\n\n\n\n
- T351 \/ T3511<\/strong> \u2014 rozpou\u0161t\u011bc\u00edm \u017e\u00edh\u00e1n\u00edm zpracov\u00e1no, odstran\u011bno zbytkov\u00e9 nap\u011bt\u00ed nata\u017een\u00edm (T3511 tak\u00e9 vyrovn\u00e1no), p\u0159irozen\u011b st\u00e1rnuto; typick\u00fd stav vytvrzen\u00ed konstruk\u010dn\u00edho extrudovan\u00e9ho profilu s typick\u00fdmi hodnotami 470\/325 MPa.<\/li>\n\n\n\n
- T6 \/ T851<\/strong> \u2014 rozpou\u0161t\u011bc\u00edm \u017e\u00edh\u00e1n\u00edm zpracov\u00e1no a um\u011ble st\u00e1rnuto (T851 tak\u00e9 odstran\u011bno zbytkov\u00e9 nap\u011bt\u00ed nata\u017een\u00edm); vy\u0161\u0161\u00ed mez kluzu (~393\u2013400 MPa) pro d\u00edly s maxim\u00e1ln\u00ed pevnost\u00ed.<\/li>\n<\/ul>\n\n\n\n
Pr\u00e1ce s extrudovan\u00fdm profilem 2024<\/h2>\n\n\n\n
Obr\u00e1b\u011bn\u00ed je silnou str\u00e1nkou 2024: dosahuje p\u0159ibli\u017en\u011b 70% na standardn\u00ed stupnici obrobitelnosti, l\u00e9pe ne\u017e 6061, a produkuje kr\u00e1tk\u00e9 t\u0159\u00edsky, kter\u00e9 jsou \u0161etrn\u00e9 k n\u00e1stroj\u016fm. CNC fr\u00e9zov\u00e1n\u00ed a soustru\u017een\u00ed udr\u017euj\u00ed t\u011bsn\u00e9 tolerance pro leteck\u00e9 a automobilov\u00e9 sou\u010d\u00e1sti.<\/p>\n\n\n\n
Sva\u0159ov\u00e1n\u00ed je slab\u00fdm m\u00edstem. Tepeln\u011b ovlivn\u011bn\u00e1 z\u00f3na (HAZ \u2014 p\u00e1smo vedle svaru, kter\u00e9 se rychle zah\u0159\u00edv\u00e1 a chlad\u00ed) je n\u00e1chyln\u00e9 k prask\u00e1n\u00ed za tepla, tak\u017ee tavn\u00e9 sva\u0159ov\u00e1n\u00ed vy\u017eaduje p\u0159\u00eddavn\u00fd materi\u00e1l 2319 a pe\u010dliv\u00fd postup a mnoho konstruk\u010dn\u00edch \u00faloh se mu zcela vyh\u00fdb\u00e1 ve prosp\u011bch n\u00fdt\u016f, lepidel nebo \u0161roub\u016f. Povrchov\u00e1 \u00faprava je d\u016fle\u017eit\u00e1, proto\u017ee 2024 v provozu koroduje: anodizace (Typ I chromov\u00e1 nebo Typ II s\u00edrov\u00e1) nebo pl\u00e1tov\u00e1n\u00ed vrstvou \u010dist\u00e9ho hlin\u00edku buduje ochranu a pr\u00e1\u0161kov\u00e9 lakov\u00e1n\u00ed p\u0159id\u00e1v\u00e1 bari\u00e9ru odolnou proti od\u0161t\u00edpnut\u00ed pro venkovn\u00ed d\u00edly.<\/p>\n\n\n\n
Extrudovan\u00fd profil 2024 vs 6061 a 7075<\/h2>\n\n\n\nMajetek<\/th> 2024 (T351\/T6)<\/th> 6061 (T6)<\/th> 7075 (T6)<\/th><\/tr><\/thead> Mez pevnosti v tahu (MPa)<\/td> 470\u2013483<\/td> 310<\/td> 572<\/td><\/tr> Mez kluzu (MPa)<\/td> 325\u2013393<\/td> 276<\/td> 503<\/td><\/tr> Tepeln\u00e1 vodivost (W\/m-K)<\/td> ~121<\/td> 154\u2013167<\/td> ~130<\/td><\/tr> Vytla\u010ditelnost<\/td> St\u0159edn\u00ed (ni\u017e\u0161\u00ed)<\/td> Vysok\u00e1<\/td> N\u00edzk\u00e1<\/td><\/tr> Odolnost proti korozi<\/td> N\u00edzk\u00e1<\/td> Dobr\u00fd<\/td> St\u0159edn\u00ed\u2013n\u00edzk\u00e1<\/td><\/tr> Sva\u0159itelnost<\/td> \u0160patn\u00e1 (prask\u00e1n\u00ed HAZ)<\/td> Dobr\u00fd<\/td> \u0160patn\u00fd<\/td><\/tr> Obrobitelnost<\/td> Dobr\u00fd<\/td> Dobr\u00fd<\/td> Spravedliv\u00e9<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\nZvolte 2024, kdy\u017e pom\u011br pevnosti k hmotnosti a \u00fanava p\u0159eva\u017euj\u00ed nad koroz\u00ed a sva\u0159ov\u00e1n\u00edm. Zvolte 6061, kdy\u017e pot\u0159ebujete sva\u0159ovat, odv\u00e1d\u011bt teplo nebo levn\u011b extruovat slo\u017eit\u00e9 tenkost\u011bnn\u00e9 profily. Zvolte 7075 pouze tehdy, kdy\u017e pot\u0159ebujete \u0161pi\u010dkovou pevnost a m\u016f\u017eete obr\u00e1b\u011bt m\u00edsto sva\u0159ov\u00e1n\u00ed.<\/p>\n\n\n\n
Kde se pou\u017e\u00edvaj\u00ed extrudovan\u00e9 profily 2024<\/h2>\n\n\n\n<\/figure>\n\n\n\nLetectv\u00ed vede spot\u0159ebu: pod\u00e9ln\u00edky trupu, nosn\u00edky a \u017eebra k\u0159\u00eddel a panely potahu pou\u017e\u00edvaj\u00ed extrudovan\u00e9 profily 2024 pro svou \u00fanavovou \u017eivotnost p\u0159i n\u00edzk\u00e9 hmotnosti. Obrann\u00e9 a komer\u010dn\u00ed draky letadel spol\u00e9haj\u00ed na stejn\u00e9 stavy vytvrzen\u00ed pro konstruk\u010dn\u00ed r\u00e1my.<\/p>\n\n\n\n
Automobilov\u00fd a \u017eelezni\u010dn\u00ed pr\u016fmysl pou\u017e\u00edv\u00e1 2024 pro ramena zav\u011b\u0161en\u00ed, p\u0159\u00ed\u010dn\u00edky podvozku a kola n\u00e1kladn\u00edch vozidel, kde pevnost na kilogram sni\u017euje hmotnost. Obecn\u00e9 stroj\u00edrenstv\u00ed jej specifikuje pro vysoce zat\u00ed\u017een\u00e9 konzoly a p\u0159\u00edpravky, kter\u00e9 jsou vystaveny opakovan\u00e9mu zat\u00ed\u017een\u00ed, ale nach\u00e1zej\u00ed se v chr\u00e1n\u011bn\u00e9m nebo povlakovan\u00e9m prost\u0159ed\u00ed.<\/p>\n\n\n\n
Go\/No-Go<\/h2>\n\n\n\n\n- Go<\/strong> pokud d\u00edl pot\u0159ebuje pevnost 450+ MPa v dlouh\u00e9m profilu a pracuje v prost\u0159ed\u00ed s n\u00edzkou koroz\u00ed nebo s pl\u00e1tov\u00e1n\u00edm\/n\u00e1t\u011brem.<\/li>\n\n\n\n
- Go<\/strong> pokud mont\u00e1\u017e pou\u017e\u00edv\u00e1 n\u00fdty, \u0161rouby nebo lepidla m\u00edsto tavn\u00e9ho sva\u0159ov\u00e1n\u00ed.<\/li>\n\n\n\n
- Go<\/strong> pokud je \u00fanavov\u00e1 \u017eivotnost p\u0159i vibrac\u00edch d\u016fle\u017eit\u011bj\u0161\u00ed ne\u017e tepeln\u00e9 rozpt\u00fdlen\u00ed.<\/li>\n\n\n\n
- No-Go<\/strong> pokud mus\u00ed pr\u016f\u0159ez odv\u00e1d\u011bt teplo (chladi\u010de, chladic\u00ed desky) \u2014 zvolte 6061 nebo 6063 pro jejich vodivost ~150\u2013200 W\/m\u00b7K.<\/li>\n\n\n\n
- No-Go<\/strong> pokud je tavn\u00e9 sva\u0159ov\u00e1n\u00ed jedin\u00fdm zp\u016fsobem spojov\u00e1n\u00ed a zat\u00ed\u017een\u00ed je konstruk\u010dn\u00ed \u2014 rozhoduj\u00edc\u00ed bude prask\u00e1n\u00ed v HAZ.<\/li>\n\n\n\n
- No-Go<\/strong> pokud je d\u00edl vystaven soln\u00e9 mlze bez ochrany \u2014 n\u00edzk\u00e1 korozn\u00ed odolnost slitiny 2024 povede k p\u0159ed\u010dasn\u00e9mu selh\u00e1n\u00ed bez pl\u00e1tov\u00e1n\u00ed nebo n\u00e1t\u011bru.<\/li>\n<\/ul>\n\n\n\n
V\u00fdhody a omezen\u00ed<\/h2>\n\n\n\nKlady<\/th> Omezen\u00ed<\/th><\/tr><\/thead> Vysok\u00fd pom\u011br pevnosti k hmotnosti mezi vytla\u010dovateln\u00fdmi slitinami<\/td> Ni\u017e\u0161\u00ed vytla\u010dovatelnost ne\u017e 6xxx (pomalej\u0161\u00ed, n\u00e1chyln\u011bj\u0161\u00ed k vad\u00e1m)<\/td><\/tr> Vynikaj\u00edc\u00ed odolnost proti \u00fanav\u011b<\/td> N\u00edzk\u00e1 korozn\u00ed odolnost, vy\u017eaduje pl\u00e1tov\u00e1n\u00ed\/n\u00e1t\u011br<\/td><\/tr> Dobr\u00e1 obrobitelnost (lep\u0161\u00ed ne\u017e 6061)<\/td> \u0160patn\u00e1 sva\u0159itelnost, hork\u00e9 prask\u00e1n\u00ed v HAZ<\/td><\/tr> V\u00edce stav\u016f vytvrzen\u00ed pro tv\u00e1\u0159en\u00ed vs. pevnost<\/td> Tepeln\u00e1 vodivost p\u0159\u00edli\u0161 n\u00edzk\u00e1 pro chladi\u010de<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\nZ\u00e1v\u011br<\/h2>\n\n\n\n
Vytla\u010dov\u00e1n\u00ed hlin\u00edku 2024 v\u00e1m poskytne pevnost na \u00farovni letectv\u00ed v dlouh\u00fdch profilech s konstantn\u00edm pr\u016f\u0159ezem, ale pouze pokud respektujete jeho limity: pomalej\u0161\u00ed vytla\u010dov\u00e1n\u00ed ne\u017e 6xxx, povinn\u00e9 tepeln\u00e9 zpracov\u00e1n\u00ed, pl\u00e1tov\u00e1n\u00ed nebo n\u00e1t\u011br pro ochranu proti korozi a n\u00fdty nebo spojovac\u00ed prvky m\u00edsto svar\u016f. Slad\u011bte stav vytvrzen\u00ed s \u00falohou \u2014 T351\/T4 pro tv\u00e1\u0159en\u00ed, T6\/T851 pro maxim\u00e1ln\u00ed mez kluzu \u2014 a nepou\u017e\u00edvejte jej pro chladi\u010de a nechr\u00e1n\u011bn\u00e9 n\u00e1mo\u0159n\u00ed aplikace.<\/p>\n\n\n\n
Linsy Aluminum dod\u00e1v\u00e1 2024 ve form\u011b desek, ty\u010d\u00ed, trubek, dr\u00e1t\u016f, svitk\u016f, profil\u016f a blok\u016f s vlastn\u00edm CNC obr\u00e1b\u011bn\u00edm, sva\u0159ov\u00e1n\u00edm TIG\/MIG, laserov\u00fdm \u0159ez\u00e1n\u00edm a povrchovou \u00fapravou, plus MTC ke ka\u017ed\u00e9 objedn\u00e1vce a zpr\u00e1vy SGS na vy\u017e\u00e1d\u00e1n\u00ed; zak\u00e1zkov\u00e9 extruze s n\u00edzk\u00fdm MOQ obvykle trvaj\u00ed 10\u201360 dn\u00ed. Pro specifikaci va\u0161\u00ed extruze z 2024 \u2014 slitina, stav vytvrzen\u00ed a pr\u016f\u0159ez \u2014 po\u0161lete sv\u016fj v\u00fdkres nebo po\u017eadavky na\u0161emu t\u00fdmu pro cenovou nab\u00eddku.<\/p>\n\n\n\n
\u010casto kladen\u00e9 ot\u00e1zky<\/h2>\n\n\n\nLze hlin\u00edk 2024 vytla\u010dovat jako 6061?<\/h3>\n\n\n\n
Ano, ale s ni\u017e\u0161\u00ed vytla\u010dovatelnost\u00ed: vysok\u00fd obsah m\u011bdi vy\u017eaduje ni\u017e\u0161\u00ed rychlosti lisu a p\u0159\u00edsn\u011bj\u0161\u00ed kontrolu procesu a povrchov\u00e9 vady jsou pravd\u011bpodobn\u011bj\u0161\u00ed. Je to standardn\u00ed vytla\u010dovateln\u00e1 slitina, jen ne tak rychl\u00e1 nebo levn\u00e1 na zpracov\u00e1n\u00ed jako \u0159ada 6xxx.<\/p>\n\n\n\n
Kter\u00fd stav vytvrzen\u00ed m\u00e1m specifikovat pro extruzi z 2024?<\/h3>\n\n\n\n
T351 nebo T3511 pro konstruk\u010dn\u00ed profily, kter\u00e9 mohou b\u00fdt po vytla\u010dov\u00e1n\u00ed oh\u00fdb\u00e1ny, T4 tam, kde sta\u010d\u00ed p\u0159irozen\u00e9 st\u00e1rnut\u00ed, a T6 nebo T851, kdy\u017e pot\u0159ebujete nejvy\u0161\u0161\u00ed mez kluzu (asi 393\u2013400 MPa) a m\u016f\u017eete obr\u00e1b\u011bt m\u00edsto sva\u0159ov\u00e1n\u00ed.<\/p>\n\n\n\n
Pro\u010d se 2024 nepou\u017e\u00edv\u00e1 pro chladi\u010de?<\/h3>\n\n\n\n
Jeho tepeln\u00e1 vodivost je pouze asi 121 W\/m\u00b7K, proto\u017ee m\u011b\u010f rozptyluje elektrony p\u0159en\u00e1\u0161ej\u00edc\u00ed teplo, co\u017e je v\u00fdrazn\u011b pod 6061-T6 (154\u2013167) a 6063 (200). Pro p\u0159enos tepla zvolte m\u00edsto toho 6061, 6063 nebo 1050\/1100.<\/p>\n\n\n\n
Je hlin\u00edk 2024 sva\u0159iteln\u00fd?<\/h3>\n\n\n\n
Tavn\u00e9 sva\u0159ov\u00e1n\u00ed je \u0161patn\u00e9, proto\u017ee z\u00f3na ovlivn\u011bn\u00e1 teplem prask\u00e1. Pou\u017eijte p\u0159\u00eddavn\u00fd materi\u00e1l 2319 s \u0159\u00edzen\u00fdm postupem, kdy\u017e je sva\u0159ov\u00e1n\u00ed nevyhnuteln\u00e9, ale pro konstruk\u010dn\u00ed spoje jsou preferov\u00e1ny n\u00fdty, lepidla nebo mechanick\u00e9 spojovac\u00ed prvky.<\/p>\n\n\n\n
Jak si extruze z 2024 stoj\u00ed ve srovn\u00e1n\u00ed s 7075?<\/h3>\n\n\n\n
7075 je pevn\u011bj\u0161\u00ed (572 MPa UTS), ale je\u0161t\u011b obt\u00ed\u017en\u011bji se vytla\u010duje a sva\u0159uje; 2024 vym\u011b\u0148uje \u010d\u00e1st vrcholov\u00e9 pevnosti za lep\u0161\u00ed obrobitelnost a \u00fanavovou \u017eivotnost. Zvolte 2024 pro konstrukce kritick\u00e9 z hlediska \u00fanavy, 7075 pro maxim\u00e1ln\u00ed statickou pevnost, kterou budete obr\u00e1b\u011bt.<\/p>\n\n\n\n
Pot\u0159ebuje extruze z 2024 ochranu proti korozi?<\/h3>\n\n\n\n
Ano. Nechr\u00e1n\u011bn\u00fd 2024 snadno koroduje, zejm\u00e9na v soln\u00e9 nebo pr\u016fmyslov\u00e9 atmosf\u00e9\u0159e. Anodizace, alclad (pl\u00e1tov\u00e1n\u00ed \u010dist\u00fdm hlin\u00edkem) nebo pr\u00e1\u0161kov\u00e9 lakov\u00e1n\u00ed jsou standardem a pl\u00e1tov\u00e1n\u00ed je b\u011b\u017en\u00e9 u leteck\u00fdch plech\u016f a profil\u016f.<\/p>","protected":false},"excerpt":{"rendered":"
What Is 2024 Aluminum Extrusion 2024 aluminum extrusion forces a heated 2024 billet through a shaped die to make long, constant-cross-section profiles \u2014 bars, structural sections, and hollow shapes \u2014 that keep the alloy’s high strength-to-weight ratio. The process turns a copper-rich, heat-treatable alloy into finished lengths that aircraft and vehicle structures use where stiffness […]<\/p>\n","protected":false},"author":3,"featured_media":10486,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_seopress_titles_title":"2024 Aluminum Extrusion: Process, Tempers & Tips","_seopress_titles_desc":"2024 aluminum extrusion gives high strength in long profiles, but tempers, welding, and heat-sink limits differ from 6061. See the process and trade-offs.","_seopress_robots_index":"","_seopress_robots_follow":"","_seopress_robots_imageindex":"","_seopress_robots_snippet":"","_seopress_robots_primary_cat":"","_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":"","_seopress_redirections_param":"","_seopress_redirections_type":0,"_seopress_analysis_target_kw":"","footnotes":""},"categories":[174],"tags":[],"class_list":["post-7822","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-2000-series-aluminum"],"_links":{"self":[{"href":"https:\/\/premiumalu.com\/cs\/wp-json\/wp\/v2\/posts\/7822","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/premiumalu.com\/cs\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/premiumalu.com\/cs\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/premiumalu.com\/cs\/wp-json\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/premiumalu.com\/cs\/wp-json\/wp\/v2\/comments?post=7822"}],"version-history":[{"count":2,"href":"https:\/\/premiumalu.com\/cs\/wp-json\/wp\/v2\/posts\/7822\/revisions"}],"predecessor-version":[{"id":10491,"href":"https:\/\/premiumalu.com\/cs\/wp-json\/wp\/v2\/posts\/7822\/revisions\/10491"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/premiumalu.com\/cs\/wp-json\/wp\/v2\/media\/10486"}],"wp:attachment":[{"href":"https:\/\/premiumalu.com\/cs\/wp-json\/wp\/v2\/media?parent=7822"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/premiumalu.com\/cs\/wp-json\/wp\/v2\/categories?post=7822"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/premiumalu.com\/cs\/wp-json\/wp\/v2\/tags?post=7822"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}
<\/figure>\n\n\n\nDv\u011b uspo\u0159\u00e1d\u00e1n\u00ed lisu dominuj\u00ed extruzi hlin\u00edku a rozd\u00edl spo\u010d\u00edv\u00e1 v tom, kter\u00e1 \u010d\u00e1st se pohybuje. P\u0159i p\u0159\u00edm\u00e9 (dop\u0159edn\u00e9) extruzi<\/strong>, p\u00edst protla\u010duje sochor stacion\u00e1rn\u00ed matric\u00ed; sochor klou\u017ee po cel\u00e9 d\u00e9lce kontejneru, tak\u017ee t\u0159en\u00ed o st\u011bny p\u0159id\u00e1v\u00e1 s\u00edlu a zat\u00ed\u017een\u00ed vrchol\u00ed brzy a pot\u00e9 kles\u00e1, jak se sochor zkracuje. P\u0159i nep\u0159\u00edm\u00e9 (zp\u011btn\u00e9) extruzi<\/strong>, sochor z\u016fst\u00e1v\u00e1 na m\u00edst\u011b v kontejneru, zat\u00edmco dut\u00fd p\u00edst nese matrici do n\u011bj, tak\u017ee nedoch\u00e1z\u00ed t\u00e9m\u011b\u0159 k \u017e\u00e1dn\u00e9mu t\u0159en\u00ed mezi sochorem a kontejnerem.<\/p>\n\n\n\n Nep\u0159\u00edm\u00e1 extruze poskytuje lep\u0161\u00ed povrchovou \u00fapravu a ni\u017e\u0161\u00ed zbytkov\u00e9 nap\u011bt\u00ed, co\u017e pom\u00e1h\u00e1 vzhledu po anodizaci, ale dut\u00fd p\u00edst omezuje velikost pr\u016f\u0159ezu a zvy\u0161uje n\u00e1klady na n\u00e1stroje. P\u0159\u00edm\u00e1 extruze z\u016fst\u00e1v\u00e1 pracovn\u00edm kon\u011bm pro v\u011bt\u0161inu profil\u016f 2024, proto\u017ee je jednodu\u0161\u0161\u00ed a zvl\u00e1d\u00e1 del\u0161\u00ed d\u00e9lky.<\/p>\n\n\n\n Extrudovan\u00fd 2024 je m\u011bkk\u00fd (bl\u00edzko stavu O), dokud nen\u00ed tepeln\u011b zpracov\u00e1n. Rozpou\u0161t\u011bc\u00ed \u017e\u00edh\u00e1n\u00ed jej zah\u0159eje na p\u0159ibli\u017en\u011b 493 \u00b0C (919 \u00b0F), aby se m\u011b\u010f a ho\u0159\u010d\u00edk rozpustily do rovnom\u011brn\u00e9ho tuh\u00e9ho roztoku, pot\u00e9 rychl\u00e9 kalen\u00ed do vody nebo polymeru uzamkne tyto prvky na m\u00edst\u011b. Um\u011bl\u00e9 st\u00e1rnut\u00ed p\u0159i p\u0159ibli\u017en\u011b 190 \u00b0C (375 \u00b0F) pot\u00e9 precipituje jemn\u00e9 \u010d\u00e1stice Al\u2082Cu, kter\u00e9 zvy\u0161uj\u00ed pevnost a tvrdost.<\/p>\n\n\n\n B\u011b\u017en\u00e9 stavy vytvrzen\u00ed extrudovan\u00fdch profil\u016f jsou:<\/p>\n\n\n\n Obr\u00e1b\u011bn\u00ed je silnou str\u00e1nkou 2024: dosahuje p\u0159ibli\u017en\u011b 70% na standardn\u00ed stupnici obrobitelnosti, l\u00e9pe ne\u017e 6061, a produkuje kr\u00e1tk\u00e9 t\u0159\u00edsky, kter\u00e9 jsou \u0161etrn\u00e9 k n\u00e1stroj\u016fm. CNC fr\u00e9zov\u00e1n\u00ed a soustru\u017een\u00ed udr\u017euj\u00ed t\u011bsn\u00e9 tolerance pro leteck\u00e9 a automobilov\u00e9 sou\u010d\u00e1sti.<\/p>\n\n\n\n Sva\u0159ov\u00e1n\u00ed je slab\u00fdm m\u00edstem. Tepeln\u011b ovlivn\u011bn\u00e1 z\u00f3na (HAZ \u2014 p\u00e1smo vedle svaru, kter\u00e9 se rychle zah\u0159\u00edv\u00e1 a chlad\u00ed) je n\u00e1chyln\u00e9 k prask\u00e1n\u00ed za tepla, tak\u017ee tavn\u00e9 sva\u0159ov\u00e1n\u00ed vy\u017eaduje p\u0159\u00eddavn\u00fd materi\u00e1l 2319 a pe\u010dliv\u00fd postup a mnoho konstruk\u010dn\u00edch \u00faloh se mu zcela vyh\u00fdb\u00e1 ve prosp\u011bch n\u00fdt\u016f, lepidel nebo \u0161roub\u016f. Povrchov\u00e1 \u00faprava je d\u016fle\u017eit\u00e1, proto\u017ee 2024 v provozu koroduje: anodizace (Typ I chromov\u00e1 nebo Typ II s\u00edrov\u00e1) nebo pl\u00e1tov\u00e1n\u00ed vrstvou \u010dist\u00e9ho hlin\u00edku buduje ochranu a pr\u00e1\u0161kov\u00e9 lakov\u00e1n\u00ed p\u0159id\u00e1v\u00e1 bari\u00e9ru odolnou proti od\u0161t\u00edpnut\u00ed pro venkovn\u00ed d\u00edly.<\/p>\n\n\n\n Zvolte 2024, kdy\u017e pom\u011br pevnosti k hmotnosti a \u00fanava p\u0159eva\u017euj\u00ed nad koroz\u00ed a sva\u0159ov\u00e1n\u00edm. Zvolte 6061, kdy\u017e pot\u0159ebujete sva\u0159ovat, odv\u00e1d\u011bt teplo nebo levn\u011b extruovat slo\u017eit\u00e9 tenkost\u011bnn\u00e9 profily. Zvolte 7075 pouze tehdy, kdy\u017e pot\u0159ebujete \u0161pi\u010dkovou pevnost a m\u016f\u017eete obr\u00e1b\u011bt m\u00edsto sva\u0159ov\u00e1n\u00ed.<\/p>\n\n\n\n Letectv\u00ed vede spot\u0159ebu: pod\u00e9ln\u00edky trupu, nosn\u00edky a \u017eebra k\u0159\u00eddel a panely potahu pou\u017e\u00edvaj\u00ed extrudovan\u00e9 profily 2024 pro svou \u00fanavovou \u017eivotnost p\u0159i n\u00edzk\u00e9 hmotnosti. Obrann\u00e9 a komer\u010dn\u00ed draky letadel spol\u00e9haj\u00ed na stejn\u00e9 stavy vytvrzen\u00ed pro konstruk\u010dn\u00ed r\u00e1my.<\/p>\n\n\n\n Automobilov\u00fd a \u017eelezni\u010dn\u00ed pr\u016fmysl pou\u017e\u00edv\u00e1 2024 pro ramena zav\u011b\u0161en\u00ed, p\u0159\u00ed\u010dn\u00edky podvozku a kola n\u00e1kladn\u00edch vozidel, kde pevnost na kilogram sni\u017euje hmotnost. Obecn\u00e9 stroj\u00edrenstv\u00ed jej specifikuje pro vysoce zat\u00ed\u017een\u00e9 konzoly a p\u0159\u00edpravky, kter\u00e9 jsou vystaveny opakovan\u00e9mu zat\u00ed\u017een\u00ed, ale nach\u00e1zej\u00ed se v chr\u00e1n\u011bn\u00e9m nebo povlakovan\u00e9m prost\u0159ed\u00ed.<\/p>\n\n\n\n Vytla\u010dov\u00e1n\u00ed hlin\u00edku 2024 v\u00e1m poskytne pevnost na \u00farovni letectv\u00ed v dlouh\u00fdch profilech s konstantn\u00edm pr\u016f\u0159ezem, ale pouze pokud respektujete jeho limity: pomalej\u0161\u00ed vytla\u010dov\u00e1n\u00ed ne\u017e 6xxx, povinn\u00e9 tepeln\u00e9 zpracov\u00e1n\u00ed, pl\u00e1tov\u00e1n\u00ed nebo n\u00e1t\u011br pro ochranu proti korozi a n\u00fdty nebo spojovac\u00ed prvky m\u00edsto svar\u016f. Slad\u011bte stav vytvrzen\u00ed s \u00falohou \u2014 T351\/T4 pro tv\u00e1\u0159en\u00ed, T6\/T851 pro maxim\u00e1ln\u00ed mez kluzu \u2014 a nepou\u017e\u00edvejte jej pro chladi\u010de a nechr\u00e1n\u011bn\u00e9 n\u00e1mo\u0159n\u00ed aplikace.<\/p>\n\n\n\n Linsy Aluminum dod\u00e1v\u00e1 2024 ve form\u011b desek, ty\u010d\u00ed, trubek, dr\u00e1t\u016f, svitk\u016f, profil\u016f a blok\u016f s vlastn\u00edm CNC obr\u00e1b\u011bn\u00edm, sva\u0159ov\u00e1n\u00edm TIG\/MIG, laserov\u00fdm \u0159ez\u00e1n\u00edm a povrchovou \u00fapravou, plus MTC ke ka\u017ed\u00e9 objedn\u00e1vce a zpr\u00e1vy SGS na vy\u017e\u00e1d\u00e1n\u00ed; zak\u00e1zkov\u00e9 extruze s n\u00edzk\u00fdm MOQ obvykle trvaj\u00ed 10\u201360 dn\u00ed. Pro specifikaci va\u0161\u00ed extruze z 2024 \u2014 slitina, stav vytvrzen\u00ed a pr\u016f\u0159ez \u2014 po\u0161lete sv\u016fj v\u00fdkres nebo po\u017eadavky na\u0161emu t\u00fdmu pro cenovou nab\u00eddku.<\/p>\n\n\n\n Ano, ale s ni\u017e\u0161\u00ed vytla\u010dovatelnost\u00ed: vysok\u00fd obsah m\u011bdi vy\u017eaduje ni\u017e\u0161\u00ed rychlosti lisu a p\u0159\u00edsn\u011bj\u0161\u00ed kontrolu procesu a povrchov\u00e9 vady jsou pravd\u011bpodobn\u011bj\u0161\u00ed. Je to standardn\u00ed vytla\u010dovateln\u00e1 slitina, jen ne tak rychl\u00e1 nebo levn\u00e1 na zpracov\u00e1n\u00ed jako \u0159ada 6xxx.<\/p>\n\n\n\n T351 nebo T3511 pro konstruk\u010dn\u00ed profily, kter\u00e9 mohou b\u00fdt po vytla\u010dov\u00e1n\u00ed oh\u00fdb\u00e1ny, T4 tam, kde sta\u010d\u00ed p\u0159irozen\u00e9 st\u00e1rnut\u00ed, a T6 nebo T851, kdy\u017e pot\u0159ebujete nejvy\u0161\u0161\u00ed mez kluzu (asi 393\u2013400 MPa) a m\u016f\u017eete obr\u00e1b\u011bt m\u00edsto sva\u0159ov\u00e1n\u00ed.<\/p>\n\n\n\n Jeho tepeln\u00e1 vodivost je pouze asi 121 W\/m\u00b7K, proto\u017ee m\u011b\u010f rozptyluje elektrony p\u0159en\u00e1\u0161ej\u00edc\u00ed teplo, co\u017e je v\u00fdrazn\u011b pod 6061-T6 (154\u2013167) a 6063 (200). Pro p\u0159enos tepla zvolte m\u00edsto toho 6061, 6063 nebo 1050\/1100.<\/p>\n\n\n\n Tavn\u00e9 sva\u0159ov\u00e1n\u00ed je \u0161patn\u00e9, proto\u017ee z\u00f3na ovlivn\u011bn\u00e1 teplem prask\u00e1. Pou\u017eijte p\u0159\u00eddavn\u00fd materi\u00e1l 2319 s \u0159\u00edzen\u00fdm postupem, kdy\u017e je sva\u0159ov\u00e1n\u00ed nevyhnuteln\u00e9, ale pro konstruk\u010dn\u00ed spoje jsou preferov\u00e1ny n\u00fdty, lepidla nebo mechanick\u00e9 spojovac\u00ed prvky.<\/p>\n\n\n\n 7075 je pevn\u011bj\u0161\u00ed (572 MPa UTS), ale je\u0161t\u011b obt\u00ed\u017en\u011bji se vytla\u010duje a sva\u0159uje; 2024 vym\u011b\u0148uje \u010d\u00e1st vrcholov\u00e9 pevnosti za lep\u0161\u00ed obrobitelnost a \u00fanavovou \u017eivotnost. Zvolte 2024 pro konstrukce kritick\u00e9 z hlediska \u00fanavy, 7075 pro maxim\u00e1ln\u00ed statickou pevnost, kterou budete obr\u00e1b\u011bt.<\/p>\n\n\n\n Ano. Nechr\u00e1n\u011bn\u00fd 2024 snadno koroduje, zejm\u00e9na v soln\u00e9 nebo pr\u016fmyslov\u00e9 atmosf\u00e9\u0159e. Anodizace, alclad (pl\u00e1tov\u00e1n\u00ed \u010dist\u00fdm hlin\u00edkem) nebo pr\u00e1\u0161kov\u00e9 lakov\u00e1n\u00ed jsou standardem a pl\u00e1tov\u00e1n\u00ed je b\u011b\u017en\u00e9 u leteck\u00fdch plech\u016f a profil\u016f.<\/p>","protected":false},"excerpt":{"rendered":" What Is 2024 Aluminum Extrusion 2024 aluminum extrusion forces a heated 2024 billet through a shaped die to make long, constant-cross-section profiles \u2014 bars, structural sections, and hollow shapes \u2014 that keep the alloy’s high strength-to-weight ratio. The process turns a copper-rich, heat-treatable alloy into finished lengths that aircraft and vehicle structures use where stiffness […]<\/p>\n","protected":false},"author":3,"featured_media":10486,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_seopress_titles_title":"2024 Aluminum Extrusion: Process, Tempers & Tips","_seopress_titles_desc":"2024 aluminum extrusion gives high strength in long profiles, but tempers, welding, and heat-sink limits differ from 6061. See the process and trade-offs.","_seopress_robots_index":"","_seopress_robots_follow":"","_seopress_robots_imageindex":"","_seopress_robots_snippet":"","_seopress_robots_primary_cat":"","_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":"","_seopress_redirections_param":"","_seopress_redirections_type":0,"_seopress_analysis_target_kw":"","footnotes":""},"categories":[174],"tags":[],"class_list":["post-7822","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-2000-series-aluminum"],"_links":{"self":[{"href":"https:\/\/premiumalu.com\/cs\/wp-json\/wp\/v2\/posts\/7822","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/premiumalu.com\/cs\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/premiumalu.com\/cs\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/premiumalu.com\/cs\/wp-json\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/premiumalu.com\/cs\/wp-json\/wp\/v2\/comments?post=7822"}],"version-history":[{"count":2,"href":"https:\/\/premiumalu.com\/cs\/wp-json\/wp\/v2\/posts\/7822\/revisions"}],"predecessor-version":[{"id":10491,"href":"https:\/\/premiumalu.com\/cs\/wp-json\/wp\/v2\/posts\/7822\/revisions\/10491"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/premiumalu.com\/cs\/wp-json\/wp\/v2\/media\/10486"}],"wp:attachment":[{"href":"https:\/\/premiumalu.com\/cs\/wp-json\/wp\/v2\/media?parent=7822"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/premiumalu.com\/cs\/wp-json\/wp\/v2\/categories?post=7822"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/premiumalu.com\/cs\/wp-json\/wp\/v2\/tags?post=7822"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}Funkce<\/th> P\u0159\u00edm\u00e9 vytla\u010dov\u00e1n\u00ed<\/th> Nep\u0159\u00edm\u00e9 vytla\u010dov\u00e1n\u00ed<\/th><\/tr><\/thead> Billet Movement<\/td> Pohybuje se kontejnerem<\/td> Stacion\u00e1rn\u00ed v kontejneru<\/td><\/tr> Pohyb zem\u0159el\u00fdch<\/td> Stacion\u00e1rn\u00ed<\/td> Pohybuje se s dut\u00fdm p\u00edstem<\/td><\/tr> T\u0159en\u00ed<\/td> Vysok\u00e9 (sochor se t\u0159e o st\u011bnu)<\/td> Velmi n\u00edzk\u00e9 (\u017e\u00e1dn\u00e9 klouz\u00e1n\u00ed po st\u011bn\u011b)<\/td><\/tr> Po\u017eadovan\u00e1 s\u00edla<\/td> Vy\u0161\u0161\u00ed<\/td> ~25\u201330% ni\u017e\u0161\u00ed<\/td><\/tr> D\u00e9lka profilu<\/td> Dlouh\u00e9 d\u00e9lky praktick\u00e9<\/td> Omezeno vrt\u00e1n\u00edm dut\u00e9ho p\u00edstu<\/td><\/tr> Nejlep\u0161\u00ed pro<\/td> Standardn\u00ed pln\u00e9 profily, dlouh\u00e9 d\u00edly<\/td> Tenk\u00e9 st\u011bny, dut\u00e9, jemn\u00fd povrch<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n Tepeln\u00e9 zpracov\u00e1n\u00ed extrudovan\u00e9ho profilu 2024<\/h2>\n\n\n\n
<\/figure>\n\n\n\n\n
Pr\u00e1ce s extrudovan\u00fdm profilem 2024<\/h2>\n\n\n\n
Extrudovan\u00fd profil 2024 vs 6061 a 7075<\/h2>\n\n\n\n
Majetek<\/th> 2024 (T351\/T6)<\/th> 6061 (T6)<\/th> 7075 (T6)<\/th><\/tr><\/thead> Mez pevnosti v tahu (MPa)<\/td> 470\u2013483<\/td> 310<\/td> 572<\/td><\/tr> Mez kluzu (MPa)<\/td> 325\u2013393<\/td> 276<\/td> 503<\/td><\/tr> Tepeln\u00e1 vodivost (W\/m-K)<\/td> ~121<\/td> 154\u2013167<\/td> ~130<\/td><\/tr> Vytla\u010ditelnost<\/td> St\u0159edn\u00ed (ni\u017e\u0161\u00ed)<\/td> Vysok\u00e1<\/td> N\u00edzk\u00e1<\/td><\/tr> Odolnost proti korozi<\/td> N\u00edzk\u00e1<\/td> Dobr\u00fd<\/td> St\u0159edn\u00ed\u2013n\u00edzk\u00e1<\/td><\/tr> Sva\u0159itelnost<\/td> \u0160patn\u00e1 (prask\u00e1n\u00ed HAZ)<\/td> Dobr\u00fd<\/td> \u0160patn\u00fd<\/td><\/tr> Obrobitelnost<\/td> Dobr\u00fd<\/td> Dobr\u00fd<\/td> Spravedliv\u00e9<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n Kde se pou\u017e\u00edvaj\u00ed extrudovan\u00e9 profily 2024<\/h2>\n\n\n\n
<\/figure>\n\n\n\nGo\/No-Go<\/h2>\n\n\n\n
\n
V\u00fdhody a omezen\u00ed<\/h2>\n\n\n\n
Klady<\/th> Omezen\u00ed<\/th><\/tr><\/thead> Vysok\u00fd pom\u011br pevnosti k hmotnosti mezi vytla\u010dovateln\u00fdmi slitinami<\/td> Ni\u017e\u0161\u00ed vytla\u010dovatelnost ne\u017e 6xxx (pomalej\u0161\u00ed, n\u00e1chyln\u011bj\u0161\u00ed k vad\u00e1m)<\/td><\/tr> Vynikaj\u00edc\u00ed odolnost proti \u00fanav\u011b<\/td> N\u00edzk\u00e1 korozn\u00ed odolnost, vy\u017eaduje pl\u00e1tov\u00e1n\u00ed\/n\u00e1t\u011br<\/td><\/tr> Dobr\u00e1 obrobitelnost (lep\u0161\u00ed ne\u017e 6061)<\/td> \u0160patn\u00e1 sva\u0159itelnost, hork\u00e9 prask\u00e1n\u00ed v HAZ<\/td><\/tr> V\u00edce stav\u016f vytvrzen\u00ed pro tv\u00e1\u0159en\u00ed vs. pevnost<\/td> Tepeln\u00e1 vodivost p\u0159\u00edli\u0161 n\u00edzk\u00e1 pro chladi\u010de<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n Z\u00e1v\u011br<\/h2>\n\n\n\n
\u010casto kladen\u00e9 ot\u00e1zky<\/h2>\n\n\n\n
Lze hlin\u00edk 2024 vytla\u010dovat jako 6061?<\/h3>\n\n\n\n
Kter\u00fd stav vytvrzen\u00ed m\u00e1m specifikovat pro extruzi z 2024?<\/h3>\n\n\n\n
Pro\u010d se 2024 nepou\u017e\u00edv\u00e1 pro chladi\u010de?<\/h3>\n\n\n\n
Je hlin\u00edk 2024 sva\u0159iteln\u00fd?<\/h3>\n\n\n\n
Jak si extruze z 2024 stoj\u00ed ve srovn\u00e1n\u00ed s 7075?<\/h3>\n\n\n\n
Pot\u0159ebuje extruze z 2024 ochranu proti korozi?<\/h3>\n\n\n\n