{"id":28350,"date":"2025-12-20T11:27:47","date_gmt":"2025-12-20T03:27:47","guid":{"rendered":"https:\/\/sinoextrud.com\/?p=28350"},"modified":"2025-12-20T11:28:29","modified_gmt":"2025-12-20T03:28:29","slug":"maximalni-tloustka-steny-hlinikoveho-vylisku","status":"publish","type":"post","link":"https:\/\/sinoextrud.com\/cs\/aluminum-extrusion-maximum-wall-thickness\/","title":{"rendered":"Maxim\u00e1ln\u00ed tlou\u0161\u0165ka st\u011bny hlin\u00edkov\u00e9ho v\u00fdlisku?"},"content":{"rendered":"

\"Hlin\u00edkov\u00e9
Hlin\u00edkov\u00e9 oblo\u017een\u00ed Hlin\u00edkov\u00e9 oblo\u017een\u00ed Profil Wood Look Grain Hlin\u00edkov\u00e9 panely<\/figcaption><\/figure>\n<\/p>\n

Tenk\u00e9 st\u011bny praskaj\u00ed. Siln\u00e9 st\u011bny se neochlazuj\u00ed. Mnoho kupuj\u00edc\u00edch odhaduje limity a dopl\u00e1c\u00ed na chyby. Tato ot\u00e1zka zp\u016fsobuje zpo\u017ed\u011bn\u00ed, zmetky a p\u0159epracov\u00e1n\u00ed nap\u0159\u00ed\u010d projekty.<\/p>\n

Bezpe\u010dn\u00e1 maxim\u00e1ln\u00ed tlou\u0161\u0165ka st\u011bny p\u0159i vytla\u010dov\u00e1n\u00ed hlin\u00edku z\u00e1vis\u00ed na slitin\u011b, kapacit\u011b lisu, velikosti profilu a \u0159\u00edzen\u00ed chlazen\u00ed. Neexistuje \u017e\u00e1dn\u00e9 jednotn\u00e9 \u010d\u00edslo. Praktick\u00e9 limity obvykle vypl\u00fdvaj\u00ed z rovnov\u00e1hy toku kovu a lisovac\u00ed s\u00edly, nikoli z konstruk\u010dn\u00edho z\u00e1m\u011bru.<\/strong><\/p>\n

Toto t\u00e9ma je d\u016fle\u017eit\u00e9, proto\u017ee tlou\u0161\u0165ka st\u011bny ovliv\u0148uje pevnost, n\u00e1klady, \u017eivotnost n\u00e1stroj\u016f a dodac\u00ed lh\u016fty. Jakmile tlou\u0161\u0165ka p\u0159ekro\u010d\u00ed bezpe\u010dn\u00fd rozsah, vytla\u010dov\u00e1n\u00ed se st\u00e1v\u00e1 nestabiln\u00edm. Pochopen\u00ed skute\u010dn\u00fdch limit\u016f pom\u00e1h\u00e1 vyhnout se p\u0159epracov\u00e1n\u00ed n\u00e1vrhu a skryt\u00fdm n\u00e1klad\u016fm.<\/p>\n

Co definuje bezpe\u010dnou maxim\u00e1ln\u00ed tlou\u0161\u0165ku st\u011bny?<\/h2>\n

\"Obd\u00e9ln\u00edkov\u00e9
Obd\u00e9ln\u00edkov\u00e9 hlin\u00edkov\u00e9 v\u00fdlisky<\/figcaption><\/figure>\n<\/p>\n

P\u0159\u00edli\u0161 siln\u00e1 vrstva vypad\u00e1 bezpe\u010dn\u011b, ale vytv\u00e1\u0159\u00ed skryt\u00e1 rizika. Konstrukt\u00e9\u0159i \u010dasto zvy\u0161uj\u00ed tlou\u0161\u0165ku, aby z\u00edskali pevnost, ale p\u0159esto doch\u00e1z\u00ed k poruch\u00e1m p\u0159i vytla\u010dov\u00e1n\u00ed. D\u016fvodem nen\u00ed pevnost, ale procesn\u00ed omezen\u00ed.<\/p>\n

Bezpe\u010dn\u00e1 maxim\u00e1ln\u00ed tlou\u0161\u0165ka st\u011bny je definov\u00e1na stabilitou toku kovu, odvodem tepla a lisovac\u00ed silou p\u0159i vytla\u010dov\u00e1n\u00ed, nikoliv pouze konstruk\u010dn\u00ed pot\u0159ebou.<\/strong><\/p>\n

Tlou\u0161\u0165ka st\u011bny p\u0159i vytla\u010dov\u00e1n\u00ed nen\u00ed jen volbou geometrie. P\u0159\u00edmo m\u011bn\u00ed zp\u016fsob, jak\u00fdm hlin\u00edk prot\u00e9k\u00e1 z\u00e1pustkou. S rostouc\u00ed tlou\u0161\u0165kou roste odpor. Kov pot\u0159ebuje k pohybu v\u011bt\u0161\u00ed s\u00edlu. V ur\u010dit\u00e9m okam\u017eiku nem\u016f\u017ee lis tla\u010dit rovnom\u011brn\u011b. To zp\u016fsobuje povrchov\u00e9 trhliny, vnit\u0159n\u00ed praskliny nebo nevypln\u011bn\u00e9 \u00faseky.<\/p>\n

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

Hlin\u00edk se pod tlakem chov\u00e1 jako hust\u00e1 kapalina. Tenk\u00e9 st\u011bny umo\u017e\u0148uj\u00ed rychlej\u0161\u00ed proud\u011bn\u00ed. Siln\u00e9 st\u011bny proud\u011bn\u00ed zpomaluj\u00ed. Kdy\u017e jedna oblast proud\u00ed rychleji ne\u017e druh\u00e1, objevuj\u00ed se vady. Velmi siln\u00e1 st\u011bna vedle ten\u010d\u00ed \u010d\u00e1sti vytv\u00e1\u0159\u00ed nerovnov\u00e1hu. Siln\u00e1 oblast m\u016f\u017ee zaost\u00e1vat, zat\u00edmco tenk\u00e9 oblasti se p\u0159eh\u0159\u00edvaj\u00ed.<\/p>\n

Hromad\u011bn\u00ed tepla a chlazen\u00ed<\/h3>\n

P\u0159i vytla\u010dov\u00e1n\u00ed vznik\u00e1 teplo t\u0159en\u00edm a deformac\u00ed. Siln\u00e9 st\u011bny udr\u017euj\u00ed teplo d\u00e9le. Chlazen\u00ed je nerovnom\u011brn\u00e9. Pokud j\u00e1dro z\u016fst\u00e1v\u00e1 hork\u00e9, zat\u00edmco povrch chladne, vznik\u00e1 vnit\u0159n\u00ed pnut\u00ed. To m\u016f\u017ee zp\u016fsobit oh\u00fdb\u00e1n\u00ed po vytla\u010dov\u00e1n\u00ed nebo prask\u00e1n\u00ed b\u011bhem st\u00e1rnut\u00ed.<\/p>\n

Praktick\u00e9 rozsahy tlou\u0161\u0165ky<\/h3>\n

Ze zku\u0161enost\u00ed z v\u00fdroby vypl\u00fdv\u00e1, \u017ee se u r\u016fzn\u00fdch lis\u016f objevuj\u00ed spole\u010dn\u00e9 bezpe\u010dn\u00e9 rozsahy:<\/p>\n\n\n\n\n\n\n\n
T\u0159\u00edda velikosti profilu<\/th>\nTypick\u00e1 bezpe\u010dn\u00e1 maxim\u00e1ln\u00ed tlou\u0161\u0165ka st\u011bny<\/th>\n<\/tr>\n<\/thead>\n
Mal\u00e9 profily<\/td>\n8 mm a\u017e 12 mm<\/td>\n<\/tr>\n
St\u0159edn\u00ed profily<\/td>\n12 mm a\u017e 20 mm<\/td>\n<\/tr>\n
Velk\u00e9 profily<\/td>\n20 mm a\u017e 35 mm<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

Nejedn\u00e1 se o absolutn\u00ed limity. Z\u00e1vis\u00ed na slitin\u011b, ton\u00e1\u017ei lisu a konstrukci matrice. N\u011bkter\u00e9 projekty p\u0159esahuj\u00ed 40 mm, ale vy\u017eaduj\u00ed speci\u00e1ln\u00ed lisovac\u00ed n\u00e1stroje a n\u00edzk\u00e9 rychlosti.<\/p>\n

\u017divot a riziko smrti<\/h3>\n

Velmi siln\u00e9 st\u011bny zvy\u0161uj\u00ed nam\u00e1h\u00e1n\u00ed z\u00e1pustky. D\u00e9lka lo\u017eiska se mus\u00ed zv\u011bt\u0161it, aby bylo mo\u017en\u00e9 regulovat pr\u016ftok. To zvy\u0161uje t\u0159en\u00ed a opot\u0159eben\u00ed. Riziko selh\u00e1n\u00ed matrice prudce stoup\u00e1 nad b\u011b\u017en\u00fd rozsah tlou\u0161\u0165ky.<\/p>\n

<\/svg> Bezpe\u010dn\u00e1 maxim\u00e1ln\u00ed tlou\u0161\u0165ka st\u011bny je omezena p\u0159edev\u0161\u00edm stabilitou procesu vytla\u010dov\u00e1n\u00ed, nikoli pot\u0159ebami konstruk\u010dn\u00ed pevnosti.<\/b>Pravda<\/span><\/p>

Limity vytla\u010dov\u00e1n\u00ed vypl\u00fdvaj\u00ed z toku kovu, \u0159\u00edzen\u00ed tepla a lisovac\u00ed s\u00edly, nikoli pouze z kone\u010dn\u00e9 pevnosti d\u00edlu.<\/p><\/div>\n

<\/svg> Ka\u017ed\u00fd lis na vytla\u010dov\u00e1n\u00ed hlin\u00edku m\u016f\u017ee bezpe\u010dn\u011b vytla\u010dovat st\u011bny o tlou\u0161\u0165ce v\u011bt\u0161\u00ed ne\u017e 50 mm, pokud se sn\u00ed\u017e\u00ed rychlost.<\/b>False<\/span><\/p>

Ton\u00e1\u017e lisu, velikost polotovaru a pevnost matrice \u010dasto znemo\u017e\u0148uj\u00ed nebo znemo\u017e\u0148uj\u00ed takovou tlou\u0161\u0165ku.<\/p><\/div>\n

Jak slitina ovliv\u0148uje p\u0159\u00edpustnou tlou\u0161\u0165ku?<\/h2>\n

\"Barevn\u011b
Barevn\u011b eloxovan\u00e9 konstruk\u010dn\u00ed hlin\u00edkov\u00e9 v\u00fdlisky Profil pro okenn\u00ed r\u00e1m Vytla\u010dovan\u00e9 hlin\u00edkov\u00e9 slitiny 6063<\/figcaption><\/figure>\n<\/p>\n

Mnoho kupuj\u00edc\u00edch p\u0159i nastavov\u00e1n\u00ed tlou\u0161\u0165ky st\u011bny ignoruje volbu slitiny. To vede k prask\u00e1n\u00ed profil\u016f nebo pomal\u00e9 v\u00fdrob\u011b. V\u00fdb\u011br slitiny p\u0159\u00edmo ovliv\u0148uje, jak silnou st\u011bnu lze bezpe\u010dn\u011b vytla\u010dit.<\/p>\n

M\u011bk\u010d\u00ed slitiny umo\u017e\u0148uj\u00ed siln\u011bj\u0161\u00ed st\u011bny, zat\u00edmco siln\u011bj\u0161\u00ed slitiny sni\u017euj\u00ed p\u0159\u00edpustnou tlou\u0161\u0165ku kv\u016fli vy\u0161\u0161\u00edmu nap\u011bt\u00ed p\u0159i proud\u011bn\u00ed a citlivosti na teplo.<\/strong><\/p>\n

R\u016fzn\u00e9 hlin\u00edkov\u00e9 slitiny se pod tlakem chovaj\u00ed velmi odli\u0161n\u011b. Hlavn\u00ed rozd\u00edl vypl\u00fdv\u00e1 z nap\u011bt\u00ed p\u0159i proud\u011bn\u00ed. Slitiny s vy\u0161\u0161\u00ed pevnost\u00ed odol\u00e1vaj\u00ed deformaci. To zvy\u0161uje vytla\u010dovac\u00ed s\u00edlu a teplo.<\/p>\n

B\u011b\u017en\u00e9 vytla\u010dovac\u00ed slitiny<\/h3>\n

Mezi nejpou\u017e\u00edvan\u011bj\u0161\u00ed slitiny p\u0159i vytla\u010dov\u00e1n\u00ed pat\u0159\u00ed 6063, 6061 a 6005. Jejich chov\u00e1n\u00ed p\u0159i tlou\u0161\u0165ce se li\u0161\u00ed.<\/p>\n\n\n\n\n\n\n\n\n
Slitina<\/th>\nChov\u00e1n\u00ed toku<\/th>\nTypick\u00e1 maxim\u00e1ln\u00ed tlou\u0161\u0165ka<\/th>\nPozn\u00e1mky<\/th>\n<\/tr>\n<\/thead>\n
6063<\/td>\nVelmi m\u011bkk\u00e9<\/td>\nA\u017e 30-35 mm<\/td>\nNejlep\u0161\u00ed pro tlust\u00e9 a slo\u017eit\u00e9 tvary<\/td>\n<\/tr>\n
6061<\/td>\nSt\u0159edn\u00ed<\/td>\n20-25 mm<\/td>\nVy\u0161\u0161\u00ed s\u00edla, v\u011bt\u0161\u00ed pot\u0159eba s\u00edly<\/td>\n<\/tr>\n
6005<\/td>\nSt\u0159edn\u011b vysok\u00fd<\/td>\n18-22 mm<\/td>\nTu\u017e\u0161\u00ed, m\u00e9n\u011b odpou\u0161t\u011bj\u00edc\u00ed<\/td>\n<\/tr>\n
7075<\/td>\nVelmi t\u011b\u017ek\u00e9<\/td>\n\u010casto <15 mm<\/td>\nVz\u00e1cn\u00e9 pro vytla\u010dov\u00e1n\u00ed<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

6063 plyne hladce. Sn\u00e1\u0161\u00ed siln\u00e9 st\u011bny a slo\u017eit\u00e9 tvary. Proto se b\u011b\u017en\u011b pou\u017e\u00edv\u00e1 v architektonick\u00fdch a velk\u00fdch dut\u00fdch profilech. 6061 je pevn\u011bj\u0161\u00ed, ale m\u00e9n\u011b tolerantn\u00ed. Tlust\u00e9 st\u011bny u 6061 \u010dasto vy\u017eaduj\u00ed ni\u017e\u0161\u00ed rychlost a vy\u0161\u0161\u00ed teplotu sochoru.<\/p>\n

Riziko zah\u0159\u00e1t\u00ed a poprask\u00e1n\u00ed<\/h3>\n

Siln\u011bj\u0161\u00ed slitiny vytv\u00e1\u0159ej\u00ed v\u00edce tepla. Siln\u00e9 st\u011bny toto teplo zachycuj\u00ed. To zvy\u0161uje riziko vzniku trhlin za horka na v\u00fdstupu z matrice. I kdy\u017e se vytla\u010dov\u00e1n\u00ed poda\u0159\u00ed, m\u016f\u017ee b\u00fdt kalen\u00ed nerovnom\u011brn\u00e9.<\/p>\n

Dopad na n\u00e1klady a dobu realizace<\/h3>\n

Siln\u011bj\u0161\u00ed st\u011bny u tvrd\u00fdch slitin sni\u017euj\u00ed rychlost. To zvy\u0161uje n\u00e1klady. Zvy\u0161uje se tak\u00e9 riziko zmetku. Mnoho projekt\u016f p\u0159ech\u00e1z\u00ed na 6063 pro tlust\u00e9 profily a pak p\u0159id\u00e1v\u00e1 pevnost prost\u0159ednictv\u00edm konstrukce nam\u00edsto slitiny.<\/p>\n

P\u00e1rov\u00e1n\u00ed slitin a tlou\u0161\u0165ky<\/h3>\n

Bezpe\u010dn\u00e1 konstrukce za\u010d\u00edn\u00e1 p\u0159izp\u016fsoben\u00edm tlou\u0161\u0165ky slitiny. Pokud mus\u00ed b\u00fdt tlou\u0161\u0165ka vysok\u00e1, m\u011bla by b\u00fdt slitina m\u011bkk\u00e1. Pokud je pot\u0159eba pevnost, m\u011bla by b\u00fdt tlou\u0161\u0165ka st\u0159edn\u00ed.<\/p>\n

<\/svg> M\u011bk\u010d\u00ed hlin\u00edkov\u00e9 slitiny, jako je 6063, umo\u017e\u0148uj\u00ed siln\u011bj\u0161\u00ed st\u011bny v\u00fdlisk\u016f s ni\u017e\u0161\u00edm rizikem defekt\u016f.<\/b>Pravda<\/span><\/p>

D\u00edky ni\u017e\u0161\u00edmu nap\u011bt\u00ed p\u0159i proud\u011bn\u00ed je silnost\u011bnn\u00e9 vytla\u010dov\u00e1n\u00ed stabiln\u011bj\u0161\u00ed a snadn\u011bji se ovl\u00e1d\u00e1.<\/p><\/div>\n

<\/svg> Pou\u017eit\u00ed siln\u011bj\u0161\u00ed slitiny v\u017edy umo\u017e\u0148uje siln\u011bj\u0161\u00ed st\u011bny d\u00edky vy\u0161\u0161\u00ed pevnosti materi\u00e1lu.<\/b>False<\/span><\/p>

Pevn\u011bj\u0161\u00ed slitiny odol\u00e1vaj\u00ed toku a zvy\u0161uj\u00ed vytla\u010dovac\u00ed s\u00edlu, co\u017e omezuje p\u0159\u00edpustnou tlou\u0161\u0165ku st\u011bny.<\/p><\/div>\n

Dok\u00e1\u017ee vytla\u010dov\u00e1n\u00ed udr\u017eet stejnou tlou\u0161\u0165ku na dlouh\u00fdch profilech?<\/h2>\n

\"Hlin\u00edkov\u00fd
Hlin\u00edkov\u00fd vytla\u010dovac\u00ed profil pro povrchov\u011b oxidovan\u00e9 trubky<\/figcaption><\/figure>\n<\/p>\n

Dlouh\u00e9 profily vypadaj\u00ed na v\u00fdkresech jednodu\u0161e, ale ve v\u00fdrob\u011b se \u010dasto objevuj\u00ed rozd\u00edly v tlou\u0161\u0165ce. Kupuj\u00edc\u00ed o\u010dek\u00e1vaj\u00ed jednotn\u00e9 st\u011bny od konce ke konci. Skute\u010dnost je v\u0161ak slo\u017eit\u011bj\u0161\u00ed.<\/p>\n

Rovnom\u011brn\u00e1 tlou\u0161\u0165ka dlouh\u00fdch v\u00fdlisk\u016f je mo\u017en\u00e1, ale z\u00e1vis\u00ed na vyv\u00e1\u017een\u00ed matrice, \u0159\u00edzen\u00ed teploty a stabilit\u011b stahov\u00e1ku.<\/strong><\/p>\n

D\u00e9lka zvy\u0161uje expozici v\u016f\u010di driftu procesu. Mal\u00e9 zm\u011bny teploty nebo rychlosti se v pr\u016fb\u011bhu metr\u016f kumuluj\u00ed.<\/p>\n

Vyv\u00e1\u017een\u00ed matrice po d\u00e9lce<\/h3>\n

Na za\u010d\u00e1tku se tok \u0159\u00edd\u00ed rovnov\u00e1hou, ale d\u00e9lka p\u0159in\u00e1\u0161\u00ed nov\u00e9 faktory. Jak vytla\u010dov\u00e1n\u00ed pokra\u010duje, m\u011bn\u00ed se teplota polotovaru. N\u00e1doba a z\u00e1pustka se zah\u0159\u00edvaj\u00ed. To m\u011bn\u00ed tok kovu. Pokud nen\u00ed lisovac\u00ed forma navr\u017eena pro ust\u00e1len\u00e9 podm\u00ednky, m\u016f\u017ee doch\u00e1zet ke zm\u011bn\u011b tlou\u0161\u0165ky.<\/p>\n

\u00da\u010dinky stahov\u00e1ku a tabulky h\u00e1zivosti<\/h3>\n

Dlouh\u00e9 profily se op\u00edraj\u00ed o stahov\u00e1ky, kter\u00e9 podporuj\u00ed d\u00e9lku. Nerovnom\u011brn\u00e1 ta\u017en\u00e1 s\u00edla m\u016f\u017ee tenk\u00e9 profily prot\u00e1hnout v\u00edce ne\u017e siln\u00e9. To zp\u016fsobuje kol\u00eds\u00e1n\u00ed tlou\u0161\u0165ky. Pro rovnom\u011brn\u00e9 st\u011bny je rozhoduj\u00edc\u00ed stabiln\u00ed nastaven\u00ed stahov\u00e1k\u016f.<\/p>\n

Konzistence chlazen\u00ed<\/h3>\n

Chlazen\u00ed mus\u00ed b\u00fdt rovnom\u011brn\u00e9 po cel\u00e9 d\u00e9lce. Siln\u00e9 st\u011bny chlad\u00ed pomaleji. Pokud jsou chladic\u00ed ventil\u00e1tory nebo rozst\u0159ikov\u00e1n\u00ed vody nerovnom\u011brn\u00e9, m\u016f\u017ee se tlou\u0161\u0165ka st\u011bny zd\u00e1t stejn\u00e1, ale vnit\u0159n\u00ed nap\u011bt\u00ed se li\u0161\u00ed.<\/p>\n

O\u010dek\u00e1v\u00e1n\u00ed tolerance<\/h3>\n

Jednotn\u00fd neznamen\u00e1 dokonal\u00fd. Typick\u00e9 tolerance tlou\u0161\u0165ky z\u00e1vis\u00ed na velikosti:<\/p>\n\n\n\n\n\n\n\n
D\u00e9lka profilu<\/th>\nTypick\u00e1 tolerance tlou\u0161\u0165ky<\/th>\n<\/tr>\n<\/thead>\n
<3 metry<\/td>\n+\/- 0,15 mm<\/td>\n<\/tr>\n
3-6 metr\u016f<\/td>\n+\/- 0,20 mm<\/td>\n<\/tr>\n
>6 metr\u016f<\/td>\n+\/- 0,25 mm nebo v\u00edce<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

Del\u0161\u00ed profily vy\u017eaduj\u00ed voln\u011bj\u0161\u00ed toleranci. Snaha o vynucen\u00ed p\u0159\u00edsn\u00e9 tolerance zvy\u0161uje zmetkovitost.<\/p>\n

Tipy pro design<\/h3>\n

Vyhn\u011bte se n\u00e1hl\u00fdm zm\u011bn\u00e1m tlou\u0161\u0165ky. P\u0159echody mus\u00ed b\u00fdt pozvoln\u00e9. Pokud je to mo\u017en\u00e9, vyva\u017eujte st\u011bny symetricky. Sn\u00ed\u017e\u00edte tak d\u00e9lkov\u00e9 rozd\u00edly.<\/p>\n

<\/svg> Udr\u017een\u00ed rovnom\u011brn\u00e9 tlou\u0161\u0165ky st\u011bny dlouh\u00fdch v\u00fdlisk\u016f vy\u017eaduje stabiln\u00ed vyv\u00e1\u017een\u00ed matrice a konzistentn\u00ed chlazen\u00ed.<\/b>Pravda<\/span><\/p>

D\u00e9lka zvy\u0161uje citlivost na zm\u011bny tepla a pr\u016ftoku, tak\u017ee \u0159\u00eddic\u00ed syst\u00e9my maj\u00ed v\u011bt\u0161\u00ed v\u00fdznam.<\/p><\/div>\n

<\/svg> D\u00e9lka profilu nem\u00e1 vliv na rovnom\u011brnost tlou\u0161\u0165ky st\u011bny, pokud je z\u00e1pustka spr\u00e1vn\u00e1.<\/b>False<\/span><\/p>

V\u011bt\u0161\u00ed d\u00e9lky zesiluj\u00ed teplotn\u00ed a tahov\u00e9 vlivy, kter\u00e9 ovliv\u0148uj\u00ed tlou\u0161\u0165ku.<\/p><\/div>\n

Jak\u00e1 kapacita stroje omezuje tlou\u0161\u0165ku st\u011bny?<\/h2>\n

\"Vytla\u010dov\u00e1n\u00ed
Vytla\u010dov\u00e1n\u00ed hlin\u00edku Trubky z hlin\u00edkov\u00e9 slitiny 2024 pro letectv\u00ed a kosmonautiku<\/figcaption><\/figure>\n<\/p>\n

N\u00e1vrh\u00e1\u0159i \u010dasto po\u017eaduj\u00ed siln\u00e9 st\u011bny, ani\u017e by znali velikost lisu. To vede k odm\u00edtnut\u00ed v\u00fdkres\u016f nebo k vysok\u00fdm cen\u00e1m. Kapacita stroje stanovuje tvrd\u00e9 limity.<\/p>\n

Maxim\u00e1ln\u00ed tlou\u0161\u0165ka st\u011bny je p\u0159\u00edmo omezena ton\u00e1\u017e\u00ed vytla\u010dovac\u00edho lisu, pr\u016fm\u011brem polotovaru a velikost\u00ed n\u00e1doby.<\/strong><\/p>\n

Ka\u017ed\u00fd vytla\u010dovac\u00ed lis m\u00e1 limitn\u00ed s\u00edlu. Siln\u00e9 st\u011bny zvy\u0161uj\u00ed odpor. V ur\u010dit\u00e9m okam\u017eiku p\u0159ev\u00fd\u0161\u00ed po\u017eadavek na s\u00edlu kapacitu lisu.<\/p>\n

Ton\u00e1\u017e lisu<\/h3>\n

Ton\u00e1\u017e ur\u010duje, jak velk\u00e1 s\u00edla tla\u010d\u00ed na poleno. Vy\u0161\u0161\u00ed ton\u00e1\u017e umo\u017e\u0148uje siln\u011bj\u0161\u00ed st\u011bny a v\u011bt\u0161\u00ed profily. Mal\u00fd lis m\u016f\u017ee zvl\u00e1dnout tenk\u00e9 tvary, ale sel\u017ee u siln\u00fdch t\u011bles.<\/p>\n

Obecn\u00fd vztah:<\/p>\n

    \n
  • V\u011bt\u0161\u00ed tlou\u0161\u0165ka = v\u011bt\u0161\u00ed s\u00edla<\/li>\n
  • V\u011bt\u0161\u00ed \u0161\u00ed\u0159ka = v\u011bt\u0161\u00ed s\u00edla<\/li>\n
  • Tvrd\u0161\u00ed slitina = v\u011bt\u0161\u00ed s\u00edla<\/li>\n<\/ul>\n

    Pr\u016fm\u011br sochoru<\/h3>\n

    V\u011bt\u0161\u00ed p\u0159edvalky pod\u00e1vaj\u00ed v\u00edce kovu. To pom\u00e1h\u00e1 vyplnit siln\u00e9 \u00faseky. Mal\u00e9 sochory maj\u00ed probl\u00e9my s tlust\u00fdmi st\u011bnami, proto\u017ee p\u0159\u00edsun kovu je omezen\u00fd. To zp\u016fsobuje ne\u00fapln\u00e9 vypln\u011bn\u00ed nebo povrchov\u00e9 vady.<\/p>\n

    Pevnost kontejneru a matrice<\/h3>\n

    Siln\u00e9 st\u011bny vy\u017eaduj\u00ed siln\u011bj\u0161\u00ed matrice. D\u00e9lka lo\u017eiska se zv\u011bt\u0161uje. T\u00edm se zvy\u0161uje nam\u00e1h\u00e1n\u00ed matrice. Star\u0161\u00ed lisy nebo mal\u00e9 kontejnery nemus\u00ed takov\u00e9 raznice bezpe\u010dn\u011b un\u00e9st.<\/p>\n

    Typick\u00e9 rozsahy lisovac\u00edch schopnost\u00ed<\/h3>\n\n\n\n\n\n\n\n
    Ton\u00e1\u017e lisu<\/th>\nPraktick\u00e1 maxim\u00e1ln\u00ed tlou\u0161\u0165ka st\u011bny<\/th>\n<\/tr>\n<\/thead>\n
    800-1200 tun<\/td>\n10-15 mm<\/td>\n<\/tr>\n
    1600-2500 tun<\/td>\n20-25 mm<\/td>\n<\/tr>\n
    3000-4500 tun<\/td>\n30-40 mm<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

    Tyto hodnoty p\u0159edpokl\u00e1daj\u00ed b\u011b\u017en\u00e9 slitiny jako 6063. Tvrd\u0161\u00ed slitiny limity sni\u017euj\u00ed.<\/p>\n

    Kompromisy v rychlosti<\/h3>\n

    I kdy\u017e lis dok\u00e1\u017ee vytla\u010dit siln\u00e9 st\u011bny, rychlost kles\u00e1. N\u00edzk\u00e1 rychlost sni\u017euje v\u00fdkon a zvy\u0161uje n\u00e1klady. Mnoho tov\u00e1ren d\u00e1v\u00e1 p\u0159ednost p\u0159epracov\u00e1n\u00ed profil\u016f p\u0159ed posouv\u00e1n\u00edm limit\u016f lisu.<\/p>","protected":false},"excerpt":{"rendered":"

    Aluminum Extrusion Aluminum Cladding Profile Wood Look Grain Aluminum Panels Thin walls crack. Thick walls fail to cool. Many buyers guess limits and pay for mistakes. This question causes delays, scrap, and redesign across projects. The safe maximum wall thickness in aluminum extrusion depends on alloy, press capacity, profile size, and cooling control. There is […]<\/p>\n","protected":false},"author":6,"featured_media":6183,"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-28350","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\/28350","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=28350"}],"version-history":[{"count":0,"href":"https:\/\/sinoextrud.com\/cs\/wp-json\/wp\/v2\/posts\/28350\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/sinoextrud.com\/cs\/wp-json\/wp\/v2\/media\/6183"}],"wp:attachment":[{"href":"https:\/\/sinoextrud.com\/cs\/wp-json\/wp\/v2\/media?parent=28350"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/sinoextrud.com\/cs\/wp-json\/wp\/v2\/categories?post=28350"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/sinoextrud.com\/cs\/wp-json\/wp\/v2\/tags?post=28350"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}