{"id":1009,"date":"2025-03-07T22:42:33","date_gmt":"2025-03-07T22:42:33","guid":{"rendered":"https:\/\/www.diecastingschina.com\/which-process-is-better-for-cast-parts-sand-or-die\/"},"modified":"2025-03-21T23:15:32","modified_gmt":"2025-03-21T23:15:32","slug":"ktery-proces-je-lepsi-pro-odlevani-dilu-do-pisku-nebo-pod-tlakem","status":"publish","type":"post","link":"https:\/\/www.diecastingschina.com\/cs\/tlakove-liti-vs-liti-do-pisku","title":{"rendered":"Kter\u00fd proces je lep\u0161\u00ed pro odl\u00e9v\u00e1n\u00ed d\u00edl\u016f, p\u00edskov\u00fd nebo tlakov\u00fd?"},"content":{"rendered":"
\n

Tlakov\u00e9 lit\u00ed<\/strong> a odl\u00e9v\u00e1n\u00ed do p\u00edsku jsou dva nej\u010dast\u011bji pou\u017e\u00edvan\u00e9 v\u00fdrobn\u00ed procesy pro kovov\u00e9 v\u00fdrobky<\/a>. Tyto dva typy v\u00fdrobn\u00edch technik maj\u00ed n\u011bkolik spole\u010dn\u00fdch rys\u016f, ale p\u0159edev\u0161\u00edm velmi odli\u0161n\u00e9 v\u00fdrobn\u00ed postupy.<\/p>\n

\"CNC<\/p>\n

Mo\u017enosti materi\u00e1l\u016f pro tyto v\u00fdrobn\u00ed metody<\/h2>\n

P\u00edskov\u00e9 odlitky mohou vyu\u017e\u00edvat n\u011bkolik kategori\u00ed kov\u016f. Mezi nejpou\u017e\u00edvan\u011bj\u0161\u00ed typy pat\u0159\u00ed hlin\u00edk, \u0161ed\u00e1 litina, tv\u00e1rn\u00e1 litina, ocel a ho\u0159\u010d\u00edk. Tlakov\u011b lit\u00e9 d\u00edly vyu\u017e\u00edvaj\u00ed p\u0159edev\u0161\u00edm ne\u017eelezn\u00e9 typy materi\u00e1l\u016f: zinek<\/a>, hlin\u00edk<\/a> a kombinace ho\u0159\u010d\u00edkov\u00fdch slitin.<\/p>\n

Jak se vytv\u00e1\u0159\u00ed odlitek v jednotliv\u00fdch procesech<\/h2>\n

P\u00edskov\u00e9 i tlakov\u00e9 lit\u00ed pou\u017e\u00edvaj\u00ed p\u0159edem p\u0159ipravenou formu, kter\u00e1 vytv\u00e1\u0159\u00ed jednu nebo v\u00edce dutin. Pot\u00e9 se vybran\u00fd materi\u00e1l zah\u0159eje do roztaven\u00e9ho stavu a n\u00e1sledn\u011b se vst\u0159\u00edkne do dutiny. Po dokon\u010den\u00ed cyklu je v\u00e1\u0161 odl\u00e9van\u00fd d\u00edl vyroben.<\/p>\n

P\u00edskov\u00e1 forma se vyr\u00e1b\u00ed tak, \u017ee se do ka\u017ed\u00e9 poloviny formy nasype p\u00edsek. P\u00edsek se napln\u00ed kolem vzoru, kter\u00fd je replikou vn\u011bj\u0161\u00edho tvaru odlitku. Po vyjmut\u00ed vzoru z\u016fstane dutina, kter\u00e1 bude tvo\u0159it odlitek. Slo\u017eit\u00e9 vnit\u0159n\u00ed tvary odl\u00e9van\u00e9ho d\u00edlu, kter\u00e9 nelze vytvo\u0159it pomoc\u00ed vzoru, se vytv\u00e1\u0159ej\u00ed pomoc\u00ed vnit\u0159n\u00edch j\u00e1drov\u00fdch vlo\u017eek, kter\u00e9 se p\u0159ed vytvo\u0159en\u00edm formy vyrob\u00ed z p\u00edsku. Po vytvo\u0159en\u00ed d\u00edlu se p\u00edskov\u00e1 forma rozbije a p\u00edskov\u00fd odlitek se odstran\u00ed.<\/p>\n

Tlakov\u00e9 lit\u00ed tak\u00e9 vy\u017eaduje forma a n\u00e1strojov\u00e1 vlo\u017eka pro v\u00fdrobu d\u00edlu<\/a>, av\u0161ak tyto vzory mohou b\u00fdt slo\u017eit\u011bj\u0161\u00ed a mohou b\u00fdt opakovan\u011b pou\u017eity pro stovky tis\u00edc kus\u016f. Operace tlakov\u00e9ho lit\u00ed zahrnuje vysokotlak\u00e9 vst\u0159ikov\u00e1n\u00ed roztaven\u00e9ho kovu do formy. Roztaven\u00fd kov je b\u011bhem cel\u00e9ho procesu tlakov\u00e9ho lit\u00ed v p\u0159\u00edm\u00e9m kontaktu s formou. Standardn\u00ed formy pro tlakov\u00e9 lit\u00ed mus\u00ed b\u011bhem operace odol\u00e1vat vysok\u00e9mu tlaku a extr\u00e9mn\u00edm tepeln\u00fdm sil\u00e1m. To je d\u016fvod, pro\u010d Die Castings China preferuje vysokou pevnost, Dievar Steel pro konstrukci formy<\/a>.<\/p>\n

Po\u017eadovan\u00e9 stroje pro tlakov\u00e9 lit\u00ed<\/a>, n\u00e1klady na v\u00fdrobu forem ze speci\u00e1ln\u00ed oceli vytv\u00e1\u0159ej\u00ed vy\u0161\u0161\u00ed n\u00e1klady ne\u017e operace lit\u00ed do p\u00edsku.<\/p>\n

V d\u016fsledku vy\u0161\u0161\u00edch n\u00e1klad\u016f, slu\u017eby tlakov\u00e9ho lit\u00ed jsou v\u011bt\u0161inou ide\u00e1ln\u00ed pro velkos\u00e9riovou v\u00fdrobu.<\/a>. Odl\u00e9v\u00e1n\u00ed pod tlakem je tak\u00e9 dobrou metodou kontroly p\u0159\u00edpadn\u00fdch probl\u00e9m\u016f s p\u00f3rovitost\u00ed.<\/p>\n

Odl\u00e9v\u00e1n\u00ed do p\u00edsku je cenov\u011b v\u00fdhodn\u00e9 pro projekty, kter\u00e9 vy\u017eaduj\u00ed men\u0161\u00ed mno\u017estv\u00ed. Ka\u017ed\u00fd z t\u011bchto proces\u016f je schopen vyrobit vysoce kvalitn\u00ed odlitky, av\u0161ak ka\u017ed\u00fd z nich m\u00e1 pro v\u00fdrobu sv\u00e9 v\u00fdhody a nev\u00fdhody. V na\u0161\u00ed spole\u010dnosti zab\u00fdvaj\u00edc\u00ed se tlakov\u00fdm lit\u00edm se specializujeme na v\u00fdrobu velk\u00fdch mno\u017estv\u00ed odlitk\u016f, kter\u00e9 jsou vyr\u00e1b\u011bny z typ\u016f materi\u00e1l\u016f z hlin\u00edkov\u00fdch nebo zinkov\u00fdch slitin.<\/p>\n\n\n\n\n\n\n\n\n\n\n\n\n\n
<\/td>\nOdlitek z p\u00edsku<\/b><\/td>\nTlakov\u00fd odlitek<\/b><\/td>\n<\/tr>\n
Rozm\u011brov\u00e9 tolerance<\/b><\/td>\n\u00b1.010\u2033 \u00b1.030\u2033<\/td>\n\u00b1.001\u2033 \u00b1.015\u2033<\/td>\n<\/tr>\n
Relativn\u00ed n\u00e1klady - vysok\u00e9 mno\u017estv\u00ed d\u00edl\u016f<\/b><\/td>\nN\u00edzk\u00e1<\/td>\nNejni\u017e\u0161\u00ed<\/td>\n<\/tr>\n
Relativn\u00ed n\u00e1klady - n\u00edzk\u00e9 mno\u017estv\u00ed d\u00edl\u016f<\/b><\/td>\nNejni\u017e\u0161\u00ed<\/td>\nNejvy\u0161\u0161\u00ed<\/td>\n<\/tr>\n
Rozsah hmotnosti<\/b><\/td>\nNeomezen\u00e9<\/td>\noz. - 75 lb<\/td>\n<\/tr>\n
Minim\u00e1ln\u00ed tlou\u0161\u0165ka st\u011bny<\/b><\/td>\n1\/10\u2033<\/td>\n1\/32\u2033<\/td>\n<\/tr>\n
Povrchov\u00e1 \u00faprava RMS<\/b><\/td>\n150 - 350<\/td>\n63 - 90<\/td>\n<\/tr>\n
\u00dahel ponoru (stupn\u011b)<\/b><\/td>\n1 - 5<\/td>\n1\/2 - 2<\/td>\n<\/tr>\n
Slo\u017eitost n\u00e1vrhu\/detail<\/b><\/td>\nSpravedliv\u00e9 a dobr\u00e9<\/td>\nDobr\u00fd<\/td>\n<\/tr>\n
Relativn\u00ed snadnost n\u00e1vrhu
\nZm\u011bny ve v\u00fdrob\u011b<\/b><\/td>\n		Nejlep\u0161\u00ed<\/td>\nNejchud\u0161\u00ed<\/td>\n<\/tr>\n
Slitiny<\/b><\/td>\nV\u011bt\u0161ina \u017eelezn\u00fdch \/ ne\u017eelezn\u00fdch kov\u016f<\/td>\nAl, zinek, kombinace slitin Mag<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>","protected":false},"excerpt":{"rendered":"

Odl\u00e9v\u00e1n\u00ed do p\u00edsku vs. tlakov\u00e9 lit\u00ed, kter\u00e1 metoda odl\u00e9v\u00e1n\u00ed je lep\u0161\u00ed? Srovn\u00e1n\u00ed OEM pro n\u00edzk\u00e9 a vysok\u00e9 objemy v\u00fdroby hlin\u00edku, zinku, \u017eeleza, oceli a ho\u0159\u010d\u00edku.<\/p>","protected":false},"author":3,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[12],"tags":[],"class_list":["post-1009","post","type-post","status-publish","format-standard","hentry","category-die-casting-news"],"_links":{"self":[{"href":"https:\/\/www.diecastingschina.com\/cs\/wp-json\/wp\/v2\/posts\/1009","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.diecastingschina.com\/cs\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.diecastingschina.com\/cs\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.diecastingschina.com\/cs\/wp-json\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/www.diecastingschina.com\/cs\/wp-json\/wp\/v2\/comments?post=1009"}],"version-history":[{"count":0,"href":"https:\/\/www.diecastingschina.com\/cs\/wp-json\/wp\/v2\/posts\/1009\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.diecastingschina.com\/cs\/wp-json\/wp\/v2\/media?parent=1009"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.diecastingschina.com\/cs\/wp-json\/wp\/v2\/categories?post=1009"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.diecastingschina.com\/cs\/wp-json\/wp\/v2\/tags?post=1009"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}