{"id":3951,"date":"2025-08-27T18:11:10","date_gmt":"2025-08-27T16:11:10","guid":{"rendered":"https:\/\/ipocitac.cz\/?p=3951"},"modified":"2025-08-27T18:11:11","modified_gmt":"2025-08-27T16:11:11","slug":"beztriskove-technologie-ve-strojirenstvi-tvareni-misto-obrabeni","status":"publish","type":"post","link":"https:\/\/ipocitac.cz\/?p=3951","title":{"rendered":"Bezt\u0159\u00edskov\u00e9 technologie ve stroj\u00edrenstv\u00ed: Tv\u00e1\u0159en\u00ed m\u00edsto obr\u00e1b\u011bn\u00ed"},"content":{"rendered":"\n<h4 class=\"wp-block-heading\">\u00davod<\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">Zat\u00edmco tradi\u010dn\u00ed obr\u00e1b\u011bn\u00ed (soustru\u017een\u00ed, fr\u00e9zov\u00e1n\u00ed, vrt\u00e1n\u00ed) odeb\u00edr\u00e1 materi\u00e1l ve form\u011b t\u0159\u00edsek,&nbsp;<strong>bezt\u0159\u00edskov\u00e9 technologie<\/strong>&nbsp;m\u011bn\u00ed tvar materi\u00e1lu bez jeho ztr\u00e1ty. Pat\u0159\u00ed sem zejm\u00e9na tv\u00e1\u0159en\u00ed za studena i za tepla, lisov\u00e1n\u00ed, oh\u00fdb\u00e1n\u00ed, ta\u017een\u00ed a dal\u0161\u00ed procesy. Tyto technologie jsou rychl\u00e9, materi\u00e1lov\u011b \u00fasporn\u00e9 a \u010dasto vhodn\u011bj\u0161\u00ed pro s\u00e9riovou v\u00fdrobu ne\u017e obr\u00e1b\u011bn\u00ed.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">Hlavn\u00ed bezt\u0159\u00edskov\u00e9 technologie<\/h3>\n\n\n\n<h4 class=\"wp-block-heading\">1.&nbsp;<strong>Tv\u00e1\u0159en\u00ed<\/strong><\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">Tv\u00e1\u0159en\u00ed znamen\u00e1&nbsp;<strong>plastickou deformaci materi\u00e1lu<\/strong>&nbsp;\u2013 materi\u00e1l m\u011bn\u00ed tvar, ale objem z\u016fst\u00e1v\u00e1 zachov\u00e1n.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Za studena:<\/strong>\u00a0V\u00fdhodou je vy\u0161\u0161\u00ed pevnost v\u00fdsledn\u00e9ho d\u00edlu d\u00edky zpevn\u011bn\u00ed materi\u00e1lu. Pou\u017e\u00edv\u00e1 se u tenk\u00fdch plech\u016f, dr\u00e1t\u016f apod.<\/li>\n\n\n\n<li><strong>Za tepla:<\/strong>\u00a0Umo\u017e\u0148uje tvarovat i velmi pevn\u00e9 nebo tlust\u00e9 materi\u00e1ly, proto\u017ee se sni\u017euje jejich odpor proti deformaci.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>P\u0159\u00edklady proces\u016f:<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Kov\u00e1n\u00ed<\/li>\n\n\n\n<li>V\u00e1lcov\u00e1n\u00ed<\/li>\n\n\n\n<li>Ta\u017een\u00ed (dr\u00e1ty, trubky)<\/li>\n\n\n\n<li>Protla\u010dov\u00e1n\u00ed (extruze)<\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\">2.&nbsp;<strong>Lisov\u00e1n\u00ed<\/strong><\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">Lisov\u00e1n\u00ed je typ tv\u00e1\u0159en\u00ed, kdy je materi\u00e1l stla\u010dov\u00e1n mezi dv\u011bma n\u00e1stroji (razn\u00edk a matrice). Vyu\u017e\u00edv\u00e1 se pro v\u00fdrobu plechov\u00fdch sou\u010d\u00e1st\u00ed ve velk\u00fdch s\u00e9ri\u00edch.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Metody lisov\u00e1n\u00ed:<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>St\u0159\u00edh\u00e1n\u00ed:<\/strong>\u00a0Odd\u011blen\u00ed \u010d\u00e1sti materi\u00e1lu (nap\u0159. v\u00fdlisky z plechu)<\/li>\n\n\n\n<li><strong>Oh\u00fdb\u00e1n\u00ed:<\/strong>\u00a0Zm\u011bna \u00fahlu nebo tvaru bez p\u0159eru\u0161en\u00ed materi\u00e1lu<\/li>\n\n\n\n<li><strong>Ta\u017een\u00ed:<\/strong>\u00a0Vznik dut\u00fdch t\u011bles (nap\u0159. plechov\u00fdch n\u00e1dob)<\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\">3.&nbsp;<strong>Oh\u00fdb\u00e1n\u00ed<\/strong><\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">Pou\u017e\u00edv\u00e1 se k vytv\u00e1\u0159en\u00ed p\u0159esn\u00fdch ohyb\u016f na profilech, ple\u0161\u00edch nebo dr\u00e1tech. M\u016f\u017ee b\u00fdt ru\u010dn\u00ed, poloautomatick\u00e9 nebo pln\u011b automatizovan\u00e9 (nap\u0159. CNC ohra\u0148ovac\u00ed lisy).<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">V\u00fdhody bezt\u0159\u00edskov\u00e9ho zpracov\u00e1n\u00ed<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u00daspora materi\u00e1lu:<\/strong>\u00a0Minim\u00e1ln\u00ed odpad, proto\u017ee nedoch\u00e1z\u00ed k odeb\u00edr\u00e1n\u00ed t\u0159\u00edsek.<\/li>\n\n\n\n<li><strong>Rychlost v\u00fdroby:<\/strong>\u00a0Krat\u0161\u00ed cyklus ne\u017e u obr\u00e1b\u011bn\u00ed \u2013 vhodn\u00e9 pro s\u00e9riovou produkci.<\/li>\n\n\n\n<li><strong>Vy\u0161\u0161\u00ed pevnost:<\/strong>\u00a0U n\u011bkter\u00fdch metod doch\u00e1z\u00ed ke zpevn\u011bn\u00ed materi\u00e1lu b\u011bhem tv\u00e1\u0159en\u00ed.<\/li>\n\n\n\n<li><strong>Ni\u017e\u0161\u00ed spot\u0159eba energie:<\/strong>\u00a0Zejm\u00e9na u tv\u00e1\u0159en\u00ed za studena.<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">Nev\u00fdhody a omezen\u00ed<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Omezen\u00e1 geometrick\u00e1 slo\u017eitost:<\/strong>\u00a0Slo\u017eit\u011bj\u0161\u00ed tvary je \u010dasto nutn\u00e9 dokon\u010dit obr\u00e1b\u011bn\u00edm.<\/li>\n\n\n\n<li><strong>Po\u017eadavek na kvalitn\u00ed n\u00e1stroje:<\/strong>\u00a0Tv\u00e1\u0159en\u00ed vy\u017eaduje p\u0159esn\u00e9 formy a razn\u00edky, jejich\u017e v\u00fdroba je n\u00e1kladn\u00e1.<\/li>\n\n\n\n<li><strong>Mo\u017en\u00e9 vnit\u0159n\u00ed pnut\u00ed:<\/strong>\u00a0Deformace m\u016f\u017ee vyvolat pnut\u00ed, kter\u00e9 ovliv\u0148uje n\u00e1sledn\u00e9 vlastnosti materi\u00e1lu.<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">Typick\u00e9 vyu\u017eit\u00ed ve stroj\u00edrenstv\u00ed<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Automobilov\u00fd pr\u016fmysl:<\/strong>\u00a0Karos\u00e1\u0159sk\u00e9 d\u00edly, v\u00fdztuhy, v\u00fdlisky, v\u00fdfuky.<\/li>\n\n\n\n<li><strong>Leteck\u00fd pr\u016fmysl:<\/strong>\u00a0Nosn\u00edky, panely, lehk\u00e9 konstrukce.<\/li>\n\n\n\n<li><strong>Stroj\u00edrensk\u00e9 sou\u010d\u00e1stky:<\/strong>\u00a0Lo\u017eiskov\u00e1 pouzdra, konzoly, dr\u017e\u00e1ky.<\/li>\n\n\n\n<li><strong>Spot\u0159ebn\u00ed zbo\u017e\u00ed:<\/strong>\u00a0V\u00fdroba plechov\u00fdch obal\u016f, n\u00e1bytku, dom\u00e1c\u00edch spot\u0159ebi\u010d\u016f.<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">Z\u00e1v\u011br<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Bezt\u0159\u00edskov\u00e9 technologie p\u0159edstavuj\u00ed d\u016fle\u017eit\u00fd pil\u00ed\u0159 efektivn\u00ed a ekonomick\u00e9 v\u00fdroby ve stroj\u00edrenstv\u00ed. Umo\u017e\u0148uj\u00ed rychle a levn\u011b vyr\u00e1b\u011bt pevn\u00e9, p\u0159esn\u00e9 a materi\u00e1lov\u011b \u00fasporn\u00e9 d\u00edly, zejm\u00e9na ve velk\u00fdch s\u00e9ri\u00edch. Jejich spr\u00e1vn\u00e9 vyu\u017eit\u00ed m\u016f\u017ee v\u00fdrazn\u011b sn\u00ed\u017eit v\u00fdrobn\u00ed n\u00e1klady i ekologickou stopu v\u00fdroby.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u00davod Zat\u00edmco tradi\u010dn\u00ed obr\u00e1b\u011bn\u00ed (soustru\u017een\u00ed, fr\u00e9zov\u00e1n\u00ed, vrt\u00e1n\u00ed) odeb\u00edr\u00e1 materi\u00e1l ve form\u011b t\u0159\u00edsek,&nbsp;bezt\u0159\u00edskov\u00e9 technologie&nbsp;m\u011bn\u00ed tvar materi\u00e1lu bez jeho ztr\u00e1ty. Pat\u0159\u00ed sem zejm\u00e9na tv\u00e1\u0159en\u00ed za studena i za tepla, lisov\u00e1n\u00ed, oh\u00fdb\u00e1n\u00ed, ta\u017een\u00ed a dal\u0161\u00ed procesy. Tyto technologie jsou rychl\u00e9, materi\u00e1lov\u011b \u00fasporn\u00e9 a \u010dasto vhodn\u011bj\u0161\u00ed pro s\u00e9riovou v\u00fdrobu ne\u017e obr\u00e1b\u011bn\u00ed. Hlavn\u00ed bezt\u0159\u00edskov\u00e9 technologie 1.&nbsp;Tv\u00e1\u0159en\u00ed Tv\u00e1\u0159en\u00ed znamen\u00e1&nbsp;plastickou deformaci materi\u00e1lu&nbsp;\u2013 [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":3952,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_sitemap_exclude":false,"_sitemap_priority":"","_sitemap_frequency":"","footnotes":""},"categories":[179],"tags":[],"tmauthors":[],"class_list":["post-3951","post","type-post","status-publish","format-standard","has-post-thumbnail","category-technika"],"amp_enabled":false,"_links":{"self":[{"href":"https:\/\/ipocitac.cz\/index.php?rest_route=\/wp\/v2\/posts\/3951","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/ipocitac.cz\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/ipocitac.cz\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/ipocitac.cz\/index.php?rest_route=\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/ipocitac.cz\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=3951"}],"version-history":[{"count":0,"href":"https:\/\/ipocitac.cz\/index.php?rest_route=\/wp\/v2\/posts\/3951\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/ipocitac.cz\/index.php?rest_route=\/wp\/v2\/media\/3952"}],"wp:attachment":[{"href":"https:\/\/ipocitac.cz\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=3951"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/ipocitac.cz\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=3951"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/ipocitac.cz\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=3951"},{"taxonomy":"tmauthors","embeddable":true,"href":"https:\/\/ipocitac.cz\/index.php?rest_route=%2Fwp%2Fv2%2Ftmauthors&post=3951"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}