{"id":3954,"date":"2025-08-27T18:12:44","date_gmt":"2025-08-27T16:12:44","guid":{"rendered":"https:\/\/ipocitac.cz\/?p=3954"},"modified":"2025-08-27T18:12:45","modified_gmt":"2025-08-27T16:12:45","slug":"technicke-kresleni-a-tolerance-jazyk-strojirenstvi","status":"publish","type":"post","link":"https:\/\/ipocitac.cz\/?p=3954","title":{"rendered":"Technick\u00e9 kreslen\u00ed a tolerance: Jazyk stroj\u00edrenstv\u00ed"},"content":{"rendered":"\n<h4 class=\"wp-block-heading\">\u00davod<\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">Ve stroj\u00edrenstv\u00ed je technick\u00fd v\u00fdkres z\u00e1kladn\u00edm dorozum\u00edvac\u00edm prost\u0159edkem mezi n\u00e1vrh\u00e1\u0159i, technologiemi, v\u00fdrobou a kontrolou kvality. Aby mohl b\u00fdt v\u00fdrobek p\u0159esn\u011b a spr\u00e1vn\u011b vyroben, mus\u00ed b\u00fdt v\u00fdkres srozumiteln\u00fd, \u00fapln\u00fd a jednozna\u010dn\u00fd. Krom\u011b rozm\u011br\u016f obsahuje v\u00fdkres i&nbsp;<strong>tolerance<\/strong>, kter\u00e9 ur\u010duj\u00ed povolen\u00e9 odchylky od nomin\u00e1ln\u00edch hodnot. Tento \u010dl\u00e1nek se zam\u011b\u0159uje na z\u00e1kladn\u00ed pravidla technick\u00e9ho kreslen\u00ed a v\u00fdznam toleranc\u00ed ve stroj\u00edrenstv\u00ed.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">Z\u00e1klady technick\u00e9ho kreslen\u00ed<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Technick\u00e9 kreslen\u00ed je p\u0159esn\u011b definovan\u00fd syst\u00e9m znak\u016f, \u010dar a zna\u010dek, kter\u00fd slou\u017e\u00ed k&nbsp;<strong>zobrazen\u00ed sou\u010d\u00e1st\u00ed a sestav<\/strong>.<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">Nejd\u016fle\u017eit\u011bj\u0161\u00ed pravidla:<\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Prom\u00edt\u00e1n\u00ed:<\/strong>\u00a0Nej\u010dast\u011bji se pou\u017e\u00edv\u00e1 pravo\u00fahl\u00e9 prom\u00edt\u00e1n\u00ed (evropsk\u00e9, ISO standard).<\/li>\n\n\n\n<li><strong>K\u00f3tov\u00e1n\u00ed:<\/strong>\u00a0Uv\u00e1d\u011bn\u00ed rozm\u011br\u016f \u2013 d\u00e9lky, pr\u016fm\u011bry, polom\u011bry, \u00fahly.<\/li>\n\n\n\n<li><strong>\u0158ezy a pohledy:<\/strong>\u00a0Pro zn\u00e1zorn\u011bn\u00ed vnit\u0159n\u00edch struktur nebo skryt\u00fdch detail\u016f.<\/li>\n\n\n\n<li><strong>Materi\u00e1ly a povrchov\u00e9 \u00fapravy:<\/strong>\u00a0Ozna\u010den\u00ed materi\u00e1lu a po\u017eadovan\u00fdch povrch\u016f (nap\u0159. drsnost, n\u00e1t\u011br).<\/li>\n\n\n\n<li><strong>Popisov\u00e9 pole:<\/strong>\u00a0Obsahuje informace o autorovi, m\u011b\u0159\u00edtku, n\u00e1zvu sou\u010d\u00e1sti, reviz\u00edch atd.<\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\">Typy \u010dar:<\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Pln\u00e1 tlust\u00e1:<\/strong>\u00a0Viditeln\u00e9 hrany<\/li>\n\n\n\n<li><strong>P\u0159eru\u0161ovan\u00e1:<\/strong>\u00a0Skryt\u00e9 hrany<\/li>\n\n\n\n<li><strong>\u010c\u00e1rkovan\u00e1:<\/strong>\u00a0St\u0159edov\u00e9 osy<\/li>\n\n\n\n<li><strong>Tenk\u00e1 pln\u00e1:<\/strong>\u00a0K\u00f3ty, pomocn\u00e9 \u010d\u00e1ry<\/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\">Tolerance rozm\u011br\u016f<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Tolerance<\/strong>&nbsp;ur\u010duj\u00ed, jak velk\u00e1 m\u016f\u017ee b\u00fdt odchylka od nomin\u00e1ln\u00edho (jmenovit\u00e9ho) rozm\u011bru, aby sou\u010d\u00e1stka st\u00e1le spr\u00e1vn\u011b fungovala.<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">Typy toleranc\u00ed:<\/h4>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>Line\u00e1rn\u00ed tolerance:<\/strong>\u00a0Nap\u0159. \u220520\u202f\u00b1\u202f0,1 znamen\u00e1, \u017ee pr\u016fm\u011br m\u016f\u017ee b\u00fdt mezi 19,9 a 20,1 mm.<\/li>\n\n\n\n<li><strong>\u00dahlov\u00e9 tolerance:<\/strong>\u00a0Ud\u00e1vaj\u00ed dovolen\u00e9 odchylky v \u00fahlech.<\/li>\n\n\n\n<li><strong>H7\/g6, f8\/h9 apod.:<\/strong>\u00a0Ozna\u010den\u00ed p\u0159esnosti d\u011br a h\u0159\u00eddel\u00ed podle syst\u00e9mu ISO (tzv.\u00a0<strong>syst\u00e9m ulo\u017een\u00ed<\/strong>).<\/li>\n\n\n\n<li><strong>Geometrick\u00e9 tolerance:<\/strong>\u00a0Tolerance tvaru, polohy a h\u00e1zivosti \u2013 nap\u0159. rovinnost, v\u00e1lcovitost, souosost, kolmost atd.<\/li>\n<\/ol>\n\n\n\n<h4 class=\"wp-block-heading\">V\u00fdznam toleranc\u00ed:<\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Funk\u010dnost:<\/strong>\u00a0Zaji\u0161t\u011bn\u00ed spr\u00e1vn\u00e9 mont\u00e1\u017ee a provozu.<\/li>\n\n\n\n<li><strong>V\u00fdrobn\u00ed n\u00e1klady:<\/strong>\u00a0T\u011bsn\u011bj\u0161\u00ed tolerance zvy\u0161uj\u00ed n\u00e1ro\u010dnost a cenu v\u00fdroby.<\/li>\n\n\n\n<li><strong>V\u00fdm\u011bnitelnost:<\/strong>\u00a0D\u00edly mohou b\u00fdt snadno nahrazeny, pokud dodr\u017euj\u00ed stejnou toleranci.<\/li>\n\n\n\n<li><strong>Kontrola:<\/strong>\u00a0Inspekto\u0159i mohou p\u0159esn\u011b m\u011b\u0159it a posoudit, zda je d\u00edl v norm\u011b.<\/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\">Drsnost povrchu<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Povrchov\u00e1 drsnost (ozna\u010dovan\u00e1 jako&nbsp;<strong>Ra<\/strong>, nap\u0159. Ra 1,6 \u00b5m) ur\u010duje kvalitu opracov\u00e1n\u00ed povrchu. Ovliv\u0148uje t\u0159en\u00ed, t\u011bsnost, vzhled i funk\u010dnost sou\u010d\u00e1stky.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">Normy a zna\u010den\u00ed<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Ve stroj\u00edrenstv\u00ed se b\u011b\u017en\u011b pou\u017e\u00edvaj\u00ed tyto normy:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>ISO 2768:<\/strong>\u00a0Tolerance bez zvl\u00e1\u0161tn\u00edho ozna\u010den\u00ed<\/li>\n\n\n\n<li><strong>\u010cSN EN ISO 1302:<\/strong>\u00a0Zna\u010den\u00ed povrchov\u00e9 drsnosti<\/li>\n\n\n\n<li><strong>ISO 1101:<\/strong>\u00a0Geometrick\u00e9 tolerance<\/li>\n\n\n\n<li><strong>ISO 286:<\/strong>\u00a0Tolerance otvor\u016f a h\u0159\u00eddel\u00ed<\/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\">P\u0159\u00edklad:<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Otvor \u00d820 H7<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Jmenovit\u00fd rozm\u011br: 20 mm<\/li>\n\n\n\n<li>Tolerance H7: +0,021 mm \/ 0 mm \u2192 otvor m\u016f\u017ee b\u00fdt mezi 20,000 a 20,021 mm<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>H\u0159\u00eddel \u00d820 g6<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Tolerance g6: \u22120,010 mm \/ \u22120,025 mm \u2192 h\u0159\u00eddel m\u016f\u017ee b\u00fdt mezi 19,975 a 19,990 mm<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Takov\u00e9 ulo\u017een\u00ed by bylo&nbsp;<strong>p\u0159echodn\u00e9 nebo lehce lisovan\u00e9<\/strong>, podle konkr\u00e9tn\u00edch hodnot.<\/p>\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\">Technick\u00e9 kreslen\u00ed a tolerance tvo\u0159\u00ed z\u00e1klad efektivn\u00ed komunikace ve stroj\u00edrenstv\u00ed. Spr\u00e1vn\u011b proveden\u00fd v\u00fdkres s jednozna\u010dn\u011b definovan\u00fdmi tolerancemi zaji\u0161\u0165uje, \u017ee v\u00fdrobek bude funk\u010dn\u00ed, p\u0159esn\u00fd a snadno vyrobiteln\u00fd. D\u016fsledn\u00e1 pr\u00e1ce s v\u00fdkresy je kl\u00ed\u010dov\u00e1 nejen pro v\u00fdrobce, ale i pro kontrolu kvality a n\u00e1sledn\u00fd servis.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u00davod Ve stroj\u00edrenstv\u00ed je technick\u00fd v\u00fdkres z\u00e1kladn\u00edm dorozum\u00edvac\u00edm prost\u0159edkem mezi n\u00e1vrh\u00e1\u0159i, technologiemi, v\u00fdrobou a kontrolou kvality. Aby mohl b\u00fdt v\u00fdrobek p\u0159esn\u011b a spr\u00e1vn\u011b vyroben, mus\u00ed b\u00fdt v\u00fdkres srozumiteln\u00fd, \u00fapln\u00fd a jednozna\u010dn\u00fd. Krom\u011b rozm\u011br\u016f obsahuje v\u00fdkres i&nbsp;tolerance, kter\u00e9 ur\u010duj\u00ed povolen\u00e9 odchylky od nomin\u00e1ln\u00edch hodnot. Tento \u010dl\u00e1nek se zam\u011b\u0159uje na z\u00e1kladn\u00ed pravidla technick\u00e9ho kreslen\u00ed a v\u00fdznam toleranc\u00ed [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":3955,"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-3954","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\/3954","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=3954"}],"version-history":[{"count":0,"href":"https:\/\/ipocitac.cz\/index.php?rest_route=\/wp\/v2\/posts\/3954\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/ipocitac.cz\/index.php?rest_route=\/wp\/v2\/media\/3955"}],"wp:attachment":[{"href":"https:\/\/ipocitac.cz\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=3954"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/ipocitac.cz\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=3954"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/ipocitac.cz\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=3954"},{"taxonomy":"tmauthors","embeddable":true,"href":"https:\/\/ipocitac.cz\/index.php?rest_route=%2Fwp%2Fv2%2Ftmauthors&post=3954"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}