{"id":4187,"date":"2025-02-24T05:38:41","date_gmt":"2025-02-24T05:38:41","guid":{"rendered":"https:\/\/www.shen-chong.com\/?p=4187"},"modified":"2025-02-24T06:33:24","modified_gmt":"2025-02-24T06:33:24","slug":"what-affects-metal-shear-force-relationship-with-materials","status":"publish","type":"post","link":"https:\/\/www.shen-chong.com\/cs\/what-affects-metal-shear-force-relationship-with-materials\/","title":{"rendered":"Co ovliv\u0148uje smykovou s\u00edlu kovu? Vztah k materi\u00e1l\u016fm"},"content":{"rendered":"<div data-elementor-type=\"wp-post\" data-elementor-id=\"4187\" class=\"elementor elementor-4187\" data-elementor-post-type=\"post\">\n\t\t\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-fbca404 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"fbca404\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-6b6bbd2\" data-id=\"6b6bbd2\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-32791e9 elementor-toc--minimized-on-tablet elementor-widget elementor-widget-table-of-contents\" data-id=\"32791e9\" data-element_type=\"widget\" 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.elementor-toc__list-item-text{white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.elementor-toc__list-items--collapsible>.elementor-toc__list-wrapper>.elementor-toc__list-item>.elementor-toc__list-wrapper{display:none}.elementor-toc__heading-anchor{position:absolute}.elementor-toc__body .elementor-toc__list-item-text{color:var(--item-text-color);-webkit-text-decoration:var(--item-text-decoration);text-decoration:var(--item-text-decoration)}.elementor-toc__body .elementor-toc__list-item-text:hover{color:var(--item-text-hover-color);-webkit-text-decoration:var(--item-text-hover-decoration);text-decoration:var(--item-text-hover-decoration)}.elementor-toc__body .elementor-toc__list-item-text.elementor-item-active{color:var(--item-text-active-color);-webkit-text-decoration:var(--item-text-active-decoration);text-decoration:var(--item-text-active-decoration)}ol.elementor-toc__list-wrapper{counter-reset:item}ol.elementor-toc__list-wrapper .elementor-toc__list-item{counter-increment:item}ol.elementor-toc__list-wrapper .elementor-toc__list-item-text-wrapper:before{content:counters(item,\".\") \". \"}<\/style>\t\t<div class=\"elementor-toc__header\">\n\t\t\t<h2 class=\"elementor-toc__header-title\">\n\t\t\t\tObsah\t\t\t<\/h2>\n\t\t\t\t\t\t\t<div class=\"elementor-toc__toggle-button elementor-toc__toggle-button--expand\" role=\"button\" tabindex=\"0\" aria-controls=\"elementor-toc__32791e9\" aria-expanded=\"true\" aria-label=\"Otev\u0159\u00edt obsah\"><svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-chevron-down\" viewbox=\"0 0 448 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M207.029 381.476L12.686 187.132c-9.373-9.373-9.373-24.569 0-33.941l22.667-22.667c9.357-9.357 24.522-9.375 33.901-.04L224 284.505l154.745-154.021c9.379-9.335 24.544-9.317 33.901.04l22.667 22.667c9.373 9.373 9.373 24.569 0 33.941L240.971 381.476c-9.373 9.372-24.569 9.372-33.942 0z\"><\/path><\/svg><\/div>\n\t\t\t\t<div class=\"elementor-toc__toggle-button elementor-toc__toggle-button--collapse\" role=\"button\" tabindex=\"0\" aria-controls=\"elementor-toc__32791e9\" aria-expanded=\"true\" aria-label=\"Zav\u0159\u00edt obsah\"><svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-chevron-up\" viewbox=\"0 0 448 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M240.971 130.524l194.343 194.343c9.373 9.373 9.373 24.569 0 33.941l-22.667 22.667c-9.357 9.357-24.522 9.375-33.901.04L224 227.495 69.255 381.516c-9.379 9.335-24.544 9.317-33.901-.04l-22.667-22.667c-9.373-9.373-9.373-24.569 0-33.941L207.03 130.525c9.372-9.373 24.568-9.373 33.941-.001z\"><\/path><\/svg><\/div>\n\t\t\t\t\t<\/div>\n\t\t<div id=\"elementor-toc__32791e9\" class=\"elementor-toc__body\">\n\t\t\t<div class=\"elementor-toc__spinner-container\">\n\t\t\t\t<svg class=\"elementor-toc__spinner eicon-animation-spin e-font-icon-svg e-eicon-loading\" aria-hidden=\"true\" viewbox=\"0 0 1000 1000\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M500 975V858C696 858 858 696 858 500S696 142 500 142 142 304 142 500H25C25 237 238 25 500 25S975 237 975 500 763 975 500 975Z\"><\/path><\/svg>\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-39823ff elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"39823ff\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-59b76e8\" data-id=\"59b76e8\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-7a569a9 elementor-widget elementor-widget-text-editor\" data-id=\"7a569a9\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<style>\/*! elementor - v3.20.0 - 13-03-2024 *\/\n.elementor-widget-text-editor.elementor-drop-cap-view-stacked .elementor-drop-cap{background-color:#69727d;color:#fff}.elementor-widget-text-editor.elementor-drop-cap-view-framed .elementor-drop-cap{color:#69727d;border:3px solid;background-color:transparent}.elementor-widget-text-editor:not(.elementor-drop-cap-view-default) .elementor-drop-cap{margin-top:8px}.elementor-widget-text-editor:not(.elementor-drop-cap-view-default) .elementor-drop-cap-letter{width:1em;height:1em}.elementor-widget-text-editor .elementor-drop-cap{float:left;text-align:center;line-height:1;font-size:50px}.elementor-widget-text-editor .elementor-drop-cap-letter{display:inline-block}<\/style>\t\t\t\t<p>Velikost a \u00fa\u010dinek smykov\u00e9 s\u00edly na plech je ovlivn\u011bn mnoha faktory. U smykov\u00e9 s\u00edly na plechech pat\u0159\u00ed mezi hlavn\u00ed ovliv\u0148uj\u00edc\u00ed faktory vlastnosti materi\u00e1lu, geometrick\u00e9 rozm\u011bry, proces smyku a vn\u011bj\u0161\u00ed podm\u00ednky. N\u00e1sleduj\u00ed hlavn\u00ed faktory, kter\u00e9 ovliv\u0148uj\u00ed smykovou s\u00edlu.<\/p>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-ed314b5 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"ed314b5\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-79a894f\" data-id=\"79a894f\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-fc93346 elementor-widget-divider--view-line elementor-widget elementor-widget-divider\" data-id=\"fc93346\" data-element_type=\"widget\" data-widget_type=\"divider.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<style>\/*! elementor - v3.20.0 - 13-03-2024 *\/\n.elementor-widget-divider{--divider-border-style:none;--divider-border-width:1px;--divider-color:#0c0d0e;--divider-icon-size:20px;--divider-element-spacing:10px;--divider-pattern-height:24px;--divider-pattern-size:20px;--divider-pattern-url:none;--divider-pattern-repeat:repeat-x}.elementor-widget-divider .elementor-divider{display:flex}.elementor-widget-divider .elementor-divider__text{font-size:15px;line-height:1;max-width:95%}.elementor-widget-divider .elementor-divider__element{margin:0 var(--divider-element-spacing);flex-shrink:0}.elementor-widget-divider .elementor-icon{font-size:var(--divider-icon-size)}.elementor-widget-divider .elementor-divider-separator{display:flex;margin:0;direction:ltr}.elementor-widget-divider--view-line_icon .elementor-divider-separator,.elementor-widget-divider--view-line_text 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100%;mask-size:var(--divider-pattern-size) 100%;-webkit-mask-repeat:var(--divider-pattern-repeat);mask-repeat:var(--divider-pattern-repeat);background-color:var(--divider-color);-webkit-mask-image:var(--divider-pattern-url);mask-image:var(--divider-pattern-url)}.elementor-widget-divider--no-spacing{--divider-pattern-size:auto}.elementor-widget-divider--bg-round{--divider-pattern-repeat:round}.rtl .elementor-widget-divider .elementor-divider__text{direction:rtl}.e-con-inner>.elementor-widget-divider,.e-con>.elementor-widget-divider{width:var(--container-widget-width,100%);--flex-grow:var(--container-widget-flex-grow)}<\/style>\t\t<div class=\"elementor-divider\">\n\t\t\t<span class=\"elementor-divider-separator\">\n\t\t\t\t\t\t<\/span>\n\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-e3a3f84 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"e3a3f84\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-22f2917\" data-id=\"22f2917\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-0df945c elementor-widget elementor-widget-heading\" data-id=\"0df945c\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<style>\/*! elementor - v3.20.0 - 13-03-2024 *\/\n.elementor-heading-title{padding:0;margin:0;line-height:1}.elementor-widget-heading .elementor-heading-title[class*=elementor-size-]>a{color:inherit;font-size:inherit;line-height:inherit}.elementor-widget-heading .elementor-heading-title.elementor-size-small{font-size:15px}.elementor-widget-heading .elementor-heading-title.elementor-size-medium{font-size:19px}.elementor-widget-heading .elementor-heading-title.elementor-size-large{font-size:29px}.elementor-widget-heading .elementor-heading-title.elementor-size-xl{font-size:39px}.elementor-widget-heading .elementor-heading-title.elementor-size-xxl{font-size:59px}<\/style><h2 class=\"elementor-heading-title elementor-size-default\">1. Jak\u00e9 faktory ovliv\u0148uj\u00ed smykovou s\u00edlu kovu?<\/h2>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-86889b5 elementor-widget elementor-widget-text-editor\" data-id=\"86889b5\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<p>Smykov\u00e1 s\u00edla, kter\u00e9 kov odol\u00e1, z\u00e1vis\u00ed na \u0159ad\u011b faktor\u016f, mezi kter\u00e9 pat\u0159\u00ed jak vlastnosti materi\u00e1lu, tak vn\u011bj\u0161\u00ed podm\u00ednky. Zde jsou n\u011bkter\u00e9 z kl\u00ed\u010dov\u00fdch faktor\u016f:<\/p>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-a3ce8b8 elementor-widget elementor-widget-heading\" data-id=\"a3ce8b8\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">1) Smykov\u00e1 pevnost<\/h3>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-b6b1295 elementor-widget elementor-widget-text-editor\" data-id=\"b6b1295\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<p>Smykov\u00e1 pevnost plechu se vztahuje k maxim\u00e1ln\u00edmu smykov\u00e9mu nap\u011bt\u00ed, kter\u00e9mu plech odol\u00e1 p\u0159i smyku. Smykov\u00e1 pevnost plechu je velmi d\u016fle\u017eit\u00e1 p\u0159i zpracov\u00e1n\u00ed kov\u016f a v\u00fdrobn\u00edch procesech, jako je \u0159ez\u00e1n\u00ed, lisov\u00e1n\u00ed, natahov\u00e1n\u00ed a tvarov\u00e1n\u00ed.<\/p><p>Smykov\u00e1 pevnost kovov\u00e9ho plechu obvykle \u00fazce souvis\u00ed s typem, tlou\u0161\u0165kou, stavem zpracov\u00e1n\u00ed a povrchov\u00fdm stavem materi\u00e1lu. Obecn\u011b \u0159e\u010deno, smykov\u00e1 pevnost kovov\u00e9ho plechu je ni\u017e\u0161\u00ed ne\u017e jeho pevnost v tahu, ale pro proces zpracov\u00e1n\u00ed pom\u00e1h\u00e1 pochopen\u00ed jeho smykov\u00e9 pevnosti ur\u010dit smykovou s\u00edlu pot\u0159ebnou v samotn\u00e9m procesu.<\/p>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-9b7a72e elementor-widget elementor-widget-heading\" data-id=\"9b7a72e\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<h4 class=\"elementor-heading-title elementor-size-default\">Pevnost ve smyku b\u011b\u017en\u00fdch kovov\u00fdch materi\u00e1l\u016f:<\/h4>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-cc230fa elementor-widget elementor-widget-text-editor\" data-id=\"cc230fa\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<ul><li>N\u00edzkouhl\u00edkov\u00e1 ocel: pevnost ve smyku je asi 250\u2013300 MPa.<\/li><li>Vysokopevnostn\u00ed ocel (nap\u0159\u00edklad pevnostn\u00ed ocel a legovan\u00e1 ocel): vysok\u00e1 pevnost ve smyku, a\u017e 400\u2013600 MPa.<\/li><li>Hlin\u00edkov\u00e1 slitina: pevnost ve smyku je asi 150\u2013250 MPa.<\/li><li>Nerezov\u00e1 ocel: pevnost ve smyku je asi 300\u2013450 MPa.<\/li><li>M\u011b\u010f a jej\u00ed slitiny: pevnost ve smyku je asi 150 MPa.<\/li><\/ul>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-db8ee6f elementor-widget elementor-widget-text-editor\" data-id=\"db8ee6f\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<p>Smykov\u00e1 pevnost plechu je kl\u00ed\u010dov\u00fdm parametrem materi\u00e1lov\u00e9 vlastnosti, kter\u00fd ur\u010duje smykov\u00e9 chov\u00e1n\u00ed materi\u00e1lu b\u011bhem zpracov\u00e1n\u00ed. Pochopen\u00edm smykov\u00e9 pevnosti lze efektivn\u011b \u0159\u00eddit n\u00e1vrh a optimalizaci v\u00fdrobn\u00edho procesu, aby se zajistilo plynul\u00e9 zpracov\u00e1n\u00ed a sn\u00ed\u017eilo mno\u017estv\u00ed odpadu materi\u00e1lu.<\/p><ul><li>Materi\u00e1ly s vysokou smykovou pevnost\u00ed (jako je vysokopevnostn\u00ed ocel, kalen\u00e9 slitiny atd.) obvykle vy\u017eaduj\u00ed v\u011bt\u0161\u00ed smykovou s\u00edlu.<\/li><li>Materi\u00e1ly s n\u00edzkou pevnost\u00ed ve smyku (jako je hlin\u00edk, m\u011b\u010f atd.) vy\u017eaduj\u00ed men\u0161\u00ed smykovou s\u00edlu.<\/li><\/ul>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-4edd51f elementor-widget elementor-widget-heading\" data-id=\"4edd51f\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">2) Tlou\u0161\u0165ka plechu<\/h3>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-8347aea elementor-widget elementor-widget-text-editor\" data-id=\"8347aea\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<p>Tlou\u0161\u0165ka plechu p\u0159\u00edmo ovliv\u0148uje velikost smykov\u00e9 s\u00edly. \u010c\u00edm siln\u011bj\u0161\u00ed plech, t\u00edm v\u011bt\u0161\u00ed s\u00edla je pot\u0159eba ke smyku.<\/p>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-81d2c33 elementor-widget elementor-widget-heading\" data-id=\"81d2c33\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<h4 class=\"elementor-heading-title elementor-size-default\">- Zv\u011bt\u0161en\u00e1 tlou\u0161\u0165ka, zv\u00fd\u0161en\u00e1 smykov\u00e1 s\u00edla:<\/h4>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-47df739 elementor-widget elementor-widget-text-editor\" data-id=\"47df739\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<p>Z vzorce je patrn\u00e9, \u017ee \u010d\u00edm v\u011bt\u0161\u00ed je tlou\u0161\u0165ka t, t\u00edm v\u011bt\u0161\u00ed je po\u017eadovan\u00e1 smykov\u00e1 s\u00edla F. Proto\u017ee b\u011bhem procesu smyku p\u016fsob\u00ed smykov\u00e1 s\u00edla na celou tlou\u0161\u0165ku plechu. Proto \u010d\u00edm siln\u011bj\u0161\u00ed je plech, t\u00edm v\u011bt\u0161\u00ed je po\u017eadovan\u00e1 smykov\u00e1 s\u00edla.<\/p><p>Nap\u0159\u00edklad pokud se tlou\u0161\u0165ka plechu zv\u011bt\u0161\u00ed z 5 mm na 10 mm, smykov\u00e1 s\u00edla se p\u0159ibli\u017en\u011b zdvojn\u00e1sob\u00ed.<\/p>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-8d3be25 elementor-widget elementor-widget-heading\" data-id=\"8d3be25\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<h4 class=\"elementor-heading-title elementor-size-default\">- Line\u00e1rn\u00ed vztah mezi smykovou silou a tlou\u0161\u0165kou:<\/h4>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-2489ce3 elementor-widget elementor-widget-text-editor\" data-id=\"2489ce3\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<p>Ve v\u011bt\u0161in\u011b p\u0159\u00edpad\u016f je smykov\u00e1 s\u00edla line\u00e1rn\u011b \u00fam\u011brn\u00e1 tlou\u0161\u0165ce plechu. Za p\u0159edpokladu, \u017ee ostatn\u00ed podm\u00ednky (jako je \u0161\u00ed\u0159ka a smykov\u00e1 pevnost plechu) z\u016fstanou nezm\u011bn\u011bny, se po\u017eadovan\u00e1 smykov\u00e1 s\u00edla p\u0159ibli\u017en\u011b zdvojn\u00e1sob\u00ed s ka\u017ed\u00fdm zdvojn\u00e1soben\u00edm tlou\u0161\u0165ky.<\/p>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-9f4559c elementor-widget elementor-widget-heading\" data-id=\"9f4559c\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">3) St\u0159i\u017en\u00e1 d\u00e9lka<\/h3>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-fb4d67d elementor-widget elementor-widget-text-editor\" data-id=\"fb4d67d\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<p>Vliv smykov\u00e9 d\u00e9lky na smykovou s\u00edlu je podobn\u00fd tlou\u0161\u0165ce plechu a hraje tak\u00e9 kl\u00ed\u010dovou roli. Smykov\u00e1 d\u00e9lka se vztahuje k d\u00e9lce materi\u00e1lu, kter\u00fd je v kontaktu s n\u00e1strojem b\u011bhem procesu smyku, co\u017e se obvykle rovn\u00e1 \u0161\u00ed\u0159ce kovov\u00e9ho plechu. Ur\u010duje celkovou plochu materi\u00e1lu smykan\u00e9ho b\u011bhem zpracov\u00e1n\u00ed, co\u017e n\u00e1sledn\u011b ovliv\u0148uje po\u017eadovanou smykovou s\u00edlu.<\/p><p><strong>Line\u00e1rn\u00ed vztah mezi smykovou silou a smykovou d\u00e9lkou:<\/strong><\/p><p>Smykov\u00e1 s\u00edla je line\u00e1rn\u011b \u00fam\u011brn\u00e1 smykov\u00e9 d\u00e9lce. To znamen\u00e1, \u017ee pokud ostatn\u00ed podm\u00ednky z\u016fstanou nezm\u011bn\u011bny, po\u017eadovan\u00e1 smykov\u00e1 s\u00edla se p\u0159ibli\u017en\u011b zdvojn\u00e1sob\u00ed s ka\u017ed\u00fdm zdvojn\u00e1soben\u00edm smykov\u00e9 d\u00e9lky.<\/p><p>Nap\u0159\u00edklad pokud se smykov\u00e1 d\u00e9lka zv\u011bt\u0161\u00ed ze 100 mm na 200 mm, po\u017eadovan\u00e1 smykov\u00e1 s\u00edla se tak\u00e9 zdvojn\u00e1sob\u00ed.<\/p>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-5fe761f elementor-widget elementor-widget-image\" data-id=\"5fe761f\" data-element_type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<style>\/*! elementor - v3.20.0 - 13-03-2024 *\/\n.elementor-widget-image{text-align:center}.elementor-widget-image a{display:inline-block}.elementor-widget-image a img[src$=\".svg\"]{width:48px}.elementor-widget-image img{vertical-align:middle;display:inline-block}<\/style>\t\t\t\t\t\t\t\t\t\t<img fetchpriority=\"high\" decoding=\"async\" width=\"650\" height=\"400\" src=\"https:\/\/www.shen-chong.com\/wp-content\/uploads\/2025\/02\/metal-shear-upper-and-lower-balde-cutting.jpg\" class=\"attachment-large size-large wp-image-4191\" alt=\"\u0159ez\u00e1n\u00ed plechu horn\u00ed a doln\u00ed plechovky\" srcset=\"https:\/\/www.shen-chong.com\/wp-content\/uploads\/2025\/02\/metal-shear-upper-and-lower-balde-cutting.jpg 650w, https:\/\/www.shen-chong.com\/wp-content\/uploads\/2025\/02\/metal-shear-upper-and-lower-balde-cutting-300x185.jpg 300w, https:\/\/www.shen-chong.com\/wp-content\/uploads\/2025\/02\/metal-shear-upper-and-lower-balde-cutting-18x12.jpg 18w\" sizes=\"(max-width: 650px) 100vw, 650px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-6a5805e elementor-widget elementor-widget-heading\" data-id=\"6a5805e\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">4) Smykov\u00e1 mezera<\/h3>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-2c2ade3 elementor-widget elementor-widget-heading\" data-id=\"2c2ade3\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<h4 class=\"elementor-heading-title elementor-size-default\">Velikost mezery:<\/h4>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-7432bca elementor-widget elementor-widget-text-editor\" data-id=\"7432bca\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<p>P\u0159\u00edli\u0161 mal\u00e1 nebo p\u0159\u00edli\u0161 velk\u00e1 smykov\u00e1 mezera ovlivn\u00ed smykovou s\u00edlu. Vhodn\u00e1 mezera m\u016f\u017ee smykovou s\u00edlu sn\u00ed\u017eit a zlep\u0161it kvalitu smykov\u00e9ho pr\u016f\u0159ezu.<\/p>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-ef33652 elementor-widget elementor-widget-heading\" data-id=\"ef33652\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<h4 class=\"elementor-heading-title elementor-size-default\">Rovnom\u011brnost mezery:<\/h4>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-20301ac elementor-widget elementor-widget-text-editor\" data-id=\"20301ac\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<p>Nerovnom\u011brn\u00e9 mezery mohou zp\u016fsobit zv\u00fd\u0161en\u00ed lok\u00e1ln\u00edch smykov\u00fdch sil, co\u017e ovliv\u0148uje smykov\u00fd \u00fa\u010dinek.<\/p>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-a51e953 elementor-widget elementor-widget-heading\" data-id=\"a51e953\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">5) \u00dahel st\u0159i\u017en\u00e9 \u010depele<\/h3>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-fd151a3 elementor-widget elementor-widget-heading\" data-id=\"fd151a3\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<h4 class=\"elementor-heading-title elementor-size-default\">\u00dahel smyku:<\/h4>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-5415a9f elementor-widget elementor-widget-text-editor\" data-id=\"5415a9f\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<p>Vhodn\u00fd \u00fahel smyku kovu m\u016f\u017ee sn\u00ed\u017eit smykovou s\u00edlu. \u010c\u00edm v\u011bt\u0161\u00ed je \u00fahel smyku, t\u00edm v\u00edce je \u0159ezn\u00e1 s\u00edla b\u011bhem procesu smyku rozpt\u00fdlena, a t\u00edm se sni\u017euje okam\u017eit\u00e1 smykov\u00e1 s\u00edla.<\/p>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-f2ec001 elementor-widget elementor-widget-heading\" data-id=\"f2ec001\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<h4 class=\"elementor-heading-title elementor-size-default\">Ostrost \u010depele:<\/h4>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-7c49d18 elementor-widget elementor-widget-text-editor\" data-id=\"7c49d18\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<p>\u010c\u00edm ost\u0159ej\u0161\u00ed je \u010depel, t\u00edm men\u0161\u00ed je smykov\u00e1 s\u00edla. Otupen\u00ed \u010depele zv\u00fd\u0161\u00ed smykovou s\u00edlu plechu.<\/p>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-ce2099d elementor-widget elementor-widget-heading\" data-id=\"ce2099d\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">6) Smykov\u00e1 rychlost<\/h3>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-234d22b elementor-widget elementor-widget-text-editor\" data-id=\"234d22b\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<p>Vliv smykov\u00e9 rychlosti na smykovou s\u00edlu je d\u016fle\u017eit\u00fdm faktorem p\u0159i obr\u00e1b\u011bn\u00ed kov\u016f, zejm\u00e9na p\u0159i vysokorychlostn\u00edm \u0159ez\u00e1n\u00ed a obr\u00e1b\u011bn\u00ed. Smykov\u00e1 rychlost se vztahuje k relativn\u00ed rychlosti smykov\u00e9 hrany b\u011bhem smykov\u00e9 operace, obvykle k rychlosti pohybu n\u00e1stroje nebo stolu.<\/p><p>B\u011bhem procesu smyku z\u00e1vis\u00ed velikost smykov\u00e9 s\u00edly nejen na povaze a tlou\u0161\u0165ce materi\u00e1lu, ale tak\u00e9 na smykov\u00e9 rychlosti. Vliv smykov\u00e9 rychlosti na smykovou s\u00edlu je obvykle neline\u00e1rn\u00ed a specifick\u00e9 ovliv\u0148uj\u00edc\u00ed faktory z\u00e1vis\u00ed na \u0159ad\u011b faktor\u016f, jako je typ materi\u00e1lu, teplota, zp\u016fsob zpracov\u00e1n\u00ed atd.<\/p>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-2665f3d elementor-widget elementor-widget-heading\" data-id=\"2665f3d\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<h4 class=\"elementor-heading-title elementor-size-default\">Vliv smykov\u00e9 rychlosti na smykovou s\u00edlu:<\/h4>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-909602e elementor-widget elementor-widget-text-editor\" data-id=\"909602e\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<p>B\u011bhem procesu smyku bude m\u00edt zv\u00fd\u0161en\u00ed smykov\u00e9 rychlosti r\u016fzn\u00e9 \u00fa\u010dinky na smykovou s\u00edlu, kter\u00e9 se projev\u00ed zejm\u00e9na v n\u00e1sleduj\u00edc\u00edch aspektech:<\/p>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-639e1b7 elementor-widget elementor-widget-text-editor\" data-id=\"639e1b7\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<h5><strong>\u2013 Vliv teploty<\/strong><\/h5><p>Vysok\u00e1 smykov\u00e1 rychlost zp\u016fsob\u00ed lok\u00e1ln\u00ed zv\u00fd\u0161en\u00ed teploty, proto\u017ee povrch materi\u00e1lu bude b\u011bhem vysokorychlostn\u00edho \u0159ez\u00e1n\u00ed vystaven v\u011bt\u0161\u00edmu t\u0159en\u00ed a plastick\u00e9 deformaci, co\u017e bude generovat v\u00edce tepla. Toto zv\u00fd\u0161en\u00ed teploty zp\u016fsob\u00ed sn\u00ed\u017een\u00ed pevnosti kovov\u00e9ho materi\u00e1lu, co\u017e n\u00e1sledn\u011b sn\u00ed\u017e\u00ed smykovou s\u00edlu.<\/p><h5><strong>\u2013 Vyt\u00e1p\u011bn\u00ed kov\u016f<\/strong><\/h5><p>Nap\u0159\u00edklad materi\u00e1ly jako hlin\u00edk a ocel ztr\u00e1cej\u00ed p\u0159i vysok\u00fdch smykov\u00fdch rychlostech svou smykovou pevnost, zejm\u00e9na p\u0159i vysok\u00fdch teplot\u00e1ch, materi\u00e1l zm\u011bkne a smykov\u00e1 s\u00edla se sn\u00ed\u017e\u00ed. Na druhou stranu n\u00edzk\u00e9 smykov\u00e9 rychlosti mohou v\u00e9st k men\u0161\u00ed akumulaci tepla a relativn\u011b vysok\u00e9 smykov\u00e9 s\u00edle.<\/p><h5><strong>\u2013 Dynamick\u00fd efekt a setrva\u010dnost<\/strong><\/h5><p>P\u0159i vysok\u00e9 smykov\u00e9 rychlosti doch\u00e1z\u00ed ve smykov\u00e9 oblasti materi\u00e1lu k dynamick\u00fdm \u00fa\u010dink\u016fm, v\u010detn\u011b elastick\u00e9 odezvy a plastick\u00e9ho toku materi\u00e1lu. P\u0159i vysokorychlostn\u00edm smyku m\u016f\u017ee b\u00fdt rychlost odezvy materi\u00e1lu citliv\u011bj\u0161\u00ed ne\u017e p\u0159i n\u00edzkorychlostn\u00edm smyku, co\u017e m\u016f\u017ee v\u00e9st k nestabilit\u011b nebo okam\u017eit\u00fdm v\u00fdkyv\u016fm smykov\u00e9 s\u00edly.<\/p><p>Efekt setrva\u010dnosti: P\u0159i vysokorychlostn\u00edm smyku m\u016f\u017ee materi\u00e1l v d\u016fsledku setrva\u010dnosti vyvolat okam\u017eit\u00e9 vibrace nebo koncentraci nap\u011bt\u00ed, co\u017e ovlivn\u00ed stabilitu smykov\u00e9 s\u00edly.<\/p><h5><strong>\u2013 Plastick\u00fd tok a v\u00fdt\u011b\u017enost materi\u00e1l\u016f<\/strong><\/h5><p>P\u0159i vysok\u00e9 smykov\u00e9 rychlosti se m\u011bn\u00ed charakteristiky plastick\u00e9ho toku materi\u00e1lu ve smykov\u00e9 z\u00f3n\u011b a m\u016f\u017ee se zm\u011bnit i smykov\u00e1 s\u00edla. V d\u016fsledku zv\u00fd\u0161en\u00ed rychlosti plastick\u00e9 deformace ve smykov\u00e9 z\u00f3n\u011b p\u0159i vy\u0161\u0161\u00edch rychlostech se m\u016f\u017ee sn\u00ed\u017eit mez kluzu materi\u00e1lu, co\u017e m\u00e1 za n\u00e1sledek sn\u00ed\u017een\u00ed smykov\u00e9 s\u00edly.<\/p><p>P\u0159i vysokorychlostn\u00edm \u0159ez\u00e1n\u00ed n\u011bkter\u00fdch materi\u00e1l\u016f (zejm\u00e9na kov\u016f) se v procesu smyku mohou vyskytovat r\u016fzn\u00e9 re\u017eimy lomu, jako je lok\u00e1ln\u00ed taven\u00ed nebo mikrotrhliny ve smykov\u00e9 oblasti, kter\u00e9 ovliv\u0148uj\u00ed smykovou s\u00edlu.<\/p>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-9fd6f5e elementor-widget elementor-widget-heading\" data-id=\"9fd6f5e\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<h4 class=\"elementor-heading-title elementor-size-default\">Kvantitativn\u00ed anal\u00fdza smykov\u00e9 rychlosti v z\u00e1vislosti na smykov\u00e9 s\u00edle:<\/h4>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-6106ed5 elementor-widget elementor-widget-text-editor\" data-id=\"6106ed5\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<p>Vztah mezi smykovou rychlost\u00ed a smykovou silou nen\u00ed jednoduch\u00fd line\u00e1rn\u00ed vztah, ale je ovlivn\u011bn kombinovan\u00fdm vlivem materi\u00e1lov\u00fdch vlastnost\u00ed, teplotn\u00edch vliv\u016f a metod zpracov\u00e1n\u00ed. Obecn\u011b plat\u00ed, \u017ee smykov\u00e1 s\u00edla m\u00e1 tendenci se p\u0159i vysok\u00fdch smykov\u00fdch rychlostech sni\u017eovat, ale konkr\u00e9tn\u00ed rozsah vlivu z\u00e1vis\u00ed na n\u00e1sleduj\u00edc\u00edch faktorech:<\/p>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-2a2a52a elementor-widget elementor-widget-text-editor\" data-id=\"2a2a52a\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<h5><strong>\u2013 Typ materi\u00e1lu<\/strong><\/h5><p>R\u016fzn\u00e9 materi\u00e1ly maj\u00ed r\u016fznou teplotn\u00ed citlivost. Vysok\u00e9 smykov\u00e9 rychlosti maj\u00ed v\u011bt\u0161\u00ed vliv na n\u011bkter\u00e9 m\u011bkk\u00e9 kovy (jako je hlin\u00edk a m\u011b\u010f) a men\u0161\u00ed vliv na n\u011bkter\u00e9 tvrd\u00e9 kovy (jako je kalen\u00e1 ocel).<\/p><h5><strong>\u2013 Smykov\u00e1 teplota<\/strong><\/h5><p>B\u011bhem procesu smyku vy\u0161\u0161\u00ed smykov\u00e9 rychlosti zvy\u0161uj\u00ed lok\u00e1ln\u00ed teplotu, \u010d\u00edm\u017e se sni\u017euje pevnost materi\u00e1lu a sni\u017euje smykov\u00e1 s\u00edla.<\/p><h5><strong>\u2013 Zp\u016fsob \u0159ez\u00e1n\u00ed<\/strong><\/h5><p>Dopad vysokorychlostn\u00edho \u0159ez\u00e1n\u00ed se li\u0161\u00ed v procesech, jako je <a href=\"https:\/\/www.shen-chong.com\/cs\/laser-cutting-machine\/\" target=\"_blank\" rel=\"noopener\">laserov\u00e9 \u0159ez\u00e1n\u00ed<\/a>, \u0159ez\u00e1n\u00ed a ra\u017een\u00ed st\u0159ihac\u00edmi stroji. Nap\u0159\u00edklad p\u0159i \u0159ez\u00e1n\u00ed laserem se st\u0159i\u017en\u00e1 s\u00edla v\u00fdrazn\u011b sn\u00ed\u017e\u00ed v d\u016fsledku vysok\u00e9 teploty generovan\u00e9 laserem.<\/p><h5><strong>\u2013 Opot\u0159eben\u00ed n\u00e1stroje<\/strong><\/h5><p>B\u011bhem vysokorychlostn\u00edho st\u0159\u00edh\u00e1n\u00ed je doba kontaktu mezi n\u00e1strojem a materi\u00e1lem krat\u0161\u00ed, co\u017e sni\u017euje stupe\u0148 opot\u0159eben\u00ed n\u00e1stroje, ale m\u016f\u017ee tak\u00e9 zp\u016fsobit probl\u00e9my s kvalitou povrchu materi\u00e1lu.<\/p>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-9512cd5 elementor-widget elementor-widget-heading\" data-id=\"9512cd5\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<h4 class=\"elementor-heading-title elementor-size-default\">\u0158\u00edzen\u00ed smykov\u00e9 rychlosti v praktick\u00fdch aplikac\u00edch:<\/h4>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-5d02188 elementor-widget elementor-widget-text-editor\" data-id=\"5d02188\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<p>V samotn\u00e9m procesu zpracov\u00e1n\u00ed se vhodn\u00e1 smykov\u00e1 rychlost vol\u00ed podle pot\u0159eb optimalizace smykov\u00e9 s\u00edly a kvality \u0159ezu:<\/p>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-6c79bb7 elementor-widget elementor-widget-text-editor\" data-id=\"6c79bb7\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<h5><strong>&#8211; <\/strong><strong>Vysok\u00e1 smykov\u00e1 rychlost<\/strong><\/h5><p>U vysokorychlostn\u00edch proces\u016f zpracov\u00e1n\u00ed, jako je laserov\u00e9 \u0159ez\u00e1n\u00ed a laserov\u00e9 zna\u010den\u00ed, je obvykle nutn\u00e9 zv\u00fd\u0161it rychlost zpracov\u00e1n\u00ed pro zlep\u0161en\u00ed efektivity v\u00fdroby. Z\u00e1rove\u0148 je v d\u016fsledku zv\u00fd\u0161en\u00ed teploty materi\u00e1lu smykov\u00e1 s\u00edla \u010dasto ni\u017e\u0161\u00ed. Vhodn\u00e9 pro materi\u00e1ly, kter\u00e9 vy\u017eaduj\u00ed vysokou kvalitu \u0159ezn\u00e9 hrany a sn\u00e1\u0161ej\u00ed zv\u00fd\u0161en\u00ed teploty.<\/p><h5><strong>&#8211; <\/strong><strong>N\u00edzk\u00e1 smykov\u00e1 rychlost<\/strong><\/h5><p>P\u0159i konven\u010dn\u00edm mechanick\u00e9m st\u0159\u00edh\u00e1n\u00ed (jako je ra\u017een\u00ed, <a href=\"https:\/\/www.shen-chong.com\/cs\/plate-shearing-machine\/\" target=\"_blank\" rel=\"noopener\">st\u0159\u00edhac\u00ed stroj<\/a>), rychlost je obvykle n\u00edzk\u00e1 a smykov\u00e1 s\u00edla velk\u00e1. To je vhodn\u00e9 pro situace s vysok\u00fdmi po\u017eadavky na kvalitu a p\u0159esnost \u0159ezu.<\/p>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-17d5104 elementor-widget elementor-widget-heading\" data-id=\"17d5104\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<h4 class=\"elementor-heading-title elementor-size-default\">Vliv smykov\u00e9 rychlosti a teploty materi\u00e1lu:<\/h4>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-6620761 elementor-widget elementor-widget-text-editor\" data-id=\"6620761\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<p>Smykov\u00e1 rychlost \u00fazce souvis\u00ed s teplotn\u00edm vlivem materi\u00e1lu, zejm\u00e9na p\u0159i \u0159ez\u00e1n\u00ed vysokou rychlost\u00ed m\u016f\u017ee zv\u00fd\u0161en\u00ed teploty povrchu materi\u00e1lu ovlivnit smykovou pevnost a \u0159ezn\u00fd v\u00fdkon materi\u00e1lu. U n\u011bkter\u00fdch materi\u00e1l\u016f (jako jsou hlin\u00edkov\u00e9 slitiny) se smykov\u00e1 s\u00edla p\u0159i vysokorychlostn\u00edm \u0159ez\u00e1n\u00ed v\u00fdrazn\u011b sn\u00ed\u017e\u00ed v d\u016fsledku zv\u00fd\u0161en\u00ed teploty a zm\u011bknut\u00ed materi\u00e1lu. U n\u011bkter\u00fdch materi\u00e1l\u016f s vysokou tvrdost\u00ed (jako je n\u00e1strojov\u00e1 ocel) m\u016f\u017ee b\u00fdt zm\u011bna smykov\u00e9 s\u00edly mal\u00e1.<\/p><p>Vysok\u00e1 smykov\u00e1 rychlost obvykle vede ke sn\u00ed\u017een\u00ed smykov\u00e9 s\u00edly, a to p\u0159edev\u0161\u00edm v d\u016fsledku kombinovan\u00e9ho \u00fa\u010dinku faktor\u016f, jako je zv\u00fd\u0161en\u00ed teploty, zm\u011bknut\u00ed materi\u00e1lu a zes\u00edlen\u00ed plastick\u00e9ho toku. N\u00edzk\u00e1 smykov\u00e1 rychlost m\u016f\u017ee v\u00e9st k v\u011bt\u0161\u00ed smykov\u00e9 s\u00edle, proto\u017ee materi\u00e1l m\u00e1 vy\u0161\u0161\u00ed smykovou pevnost a proces deformace je pomalej\u0161\u00ed.<\/p><p>V procesu zpracov\u00e1n\u00ed kov\u016f je optimalizace st\u0159i\u017en\u00e9 rychlosti d\u016fle\u017eit\u00fdm prost\u0159edkem pro zlep\u0161en\u00ed efektivity v\u00fdroby, sn\u00ed\u017een\u00ed spot\u0159eby energie a prodlou\u017een\u00ed \u017eivotnosti n\u00e1stroje. Proto je t\u0159eba p\u0159i v\u00fdb\u011bru st\u0159i\u017en\u00e9 rychlosti komplexn\u011b zv\u00e1\u017eit faktory, jako je povaha materi\u00e1lu, po\u017eadovan\u00e1 kvalita \u0159ezu, kapacita za\u0159\u00edzen\u00ed a efektivita v\u00fdroby.<\/p>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-b0835d5 elementor-widget elementor-widget-image\" data-id=\"b0835d5\" data-element_type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t<img decoding=\"async\" width=\"650\" height=\"443\" src=\"https:\/\/www.shen-chong.com\/wp-content\/uploads\/2025\/02\/SC-shearing-machine-operation-work.png\" class=\"attachment-large size-large wp-image-4192\" alt=\"\" srcset=\"https:\/\/www.shen-chong.com\/wp-content\/uploads\/2025\/02\/SC-shearing-machine-operation-work.png 650w, https:\/\/www.shen-chong.com\/wp-content\/uploads\/2025\/02\/SC-shearing-machine-operation-work-300x204.png 300w, https:\/\/www.shen-chong.com\/wp-content\/uploads\/2025\/02\/SC-shearing-machine-operation-work-18x12.png 18w\" sizes=\"(max-width: 650px) 100vw, 650px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-17bd539 elementor-widget elementor-widget-heading\" data-id=\"17bd539\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">7) Zp\u016fsob \u0159ez\u00e1n\u00ed a n\u00e1stroje<\/h3>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-a3e4a16 elementor-widget elementor-widget-heading\" data-id=\"a3e4a16\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<h4 class=\"elementor-heading-title elementor-size-default\">Jednoduch\u00fd \u0159ez vs. v\u00edcen\u00e1sobn\u00e9 \u0159ezy:<\/h4>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-6e7eacd elementor-widget elementor-widget-text-editor\" data-id=\"6e7eacd\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<p>N\u011bkter\u00e9 materi\u00e1ly mohou vy\u017eadovat n\u011bkolik postupn\u00fdch \u0159ez\u016f k dokon\u010den\u00ed cel\u00e9ho procesu \u0159ez\u00e1n\u00ed, co\u017e m\u016f\u017ee sn\u00ed\u017eit s\u00edlu pot\u0159ebnou pro ka\u017ed\u00fd \u0159ez.<\/p>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-136f89f elementor-widget elementor-widget-heading\" data-id=\"136f89f\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<h4 class=\"elementor-heading-title elementor-size-default\">Tvar a materi\u00e1l n\u00e1stroje:<\/h4>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-98bc37e elementor-widget elementor-widget-text-editor\" data-id=\"98bc37e\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<p>Tvar \u0159ezn\u00e9ho n\u00e1stroje (nap\u0159\u00edklad \u00fahel ohybu \u010depele, ostrost b\u0159itu) a materi\u00e1l (nap\u0159\u00edklad kalen\u00e1 n\u00e1strojov\u00e1 ocel) p\u0159\u00edmo ovliv\u0148uj\u00ed smykovou s\u00edlu.<\/p>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-2917e3f elementor-widget elementor-widget-heading\" data-id=\"2917e3f\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">8) Maz\u00e1n\u00ed a t\u0159en\u00ed<\/h3>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-3ef3528 elementor-widget elementor-widget-heading\" data-id=\"3ef3528\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<h4 class=\"elementor-heading-title elementor-size-default\">Maz\u00e1n\u00ed:<\/h4>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-207c1ef elementor-widget elementor-widget-text-editor\" data-id=\"207c1ef\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<p>B\u011bhem procesu st\u0159\u00edh\u00e1n\u00ed m\u016f\u017ee maz\u00e1n\u00ed sn\u00ed\u017eit t\u0159en\u00ed mezi \u010depel\u00ed a povrchem materi\u00e1lu, sn\u00ed\u017eit smykovou s\u00edlu a zv\u00fd\u0161it \u00fa\u010dinnost \u0159ez\u00e1n\u00ed.<\/p>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-366be7b elementor-widget elementor-widget-heading\" data-id=\"366be7b\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<h4 class=\"elementor-heading-title elementor-size-default\">T\u0159en\u00ed:<\/h4>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-10fb762 elementor-widget elementor-widget-text-editor\" data-id=\"10fb762\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<p>Vysok\u00e9 t\u0159en\u00ed povede ke zv\u00fd\u0161en\u00ed smykov\u00e9 s\u00edly, proto\u017ee t\u0159ec\u00ed s\u00edla mus\u00ed p\u0159ekon\u00e1vat v\u011bt\u0161\u00ed odpor, co\u017e zvy\u0161uje spot\u0159ebu energie ve smykov\u00e9m procesu.<\/p>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-22a3fc9 elementor-widget elementor-widget-heading\" data-id=\"22a3fc9\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">9) Teplota materi\u00e1lu<\/h3>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-3c81ac9 elementor-widget elementor-widget-heading\" data-id=\"3c81ac9\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<h4 class=\"elementor-heading-title elementor-size-default\">Vliv teploty na pevnost ve smyku:<\/h4>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-483c0c6 elementor-widget elementor-widget-text-editor\" data-id=\"483c0c6\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<p>P\u0159i vysok\u00fdch teplot\u00e1ch je smykov\u00e1 pevnost kov\u016f obecn\u011b ni\u017e\u0161\u00ed, tak\u017ee smykov\u00e1 s\u00edla je men\u0161\u00ed. Naopak p\u0159i n\u00edzk\u00fdch teplot\u00e1ch je smykov\u00e1 pevnost materi\u00e1lu vy\u0161\u0161\u00ed a je zapot\u0159eb\u00ed v\u011bt\u0161\u00ed smykov\u00e1 s\u00edla.<\/p>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-fc94c7e elementor-widget elementor-widget-heading\" data-id=\"fc94c7e\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<h4 class=\"elementor-heading-title elementor-size-default\">St\u0159\u00edh\u00e1n\u00ed za tepla:<\/h4>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-8bffcb2 elementor-widget elementor-widget-text-editor\" data-id=\"8bffcb2\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<p>N\u011bkter\u00e9 procesy obr\u00e1b\u011bn\u00ed kov\u016f, jako je nap\u0159\u00edklad smykov\u00e9 \u0159ez\u00e1n\u00ed za tepla, zah\u0159\u00edvaj\u00ed plech, aby se sn\u00ed\u017eila jeho smykov\u00e1 pevnost, a t\u00edm se sni\u017euje smykov\u00e1 s\u00edla.<\/p>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-e2259e2 elementor-widget elementor-widget-heading\" data-id=\"e2259e2\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">10) Krystalick\u00e1 struktura materi\u00e1l\u016f<\/h3>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-4ca0908 elementor-widget elementor-widget-text-editor\" data-id=\"4ca0908\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<p>Krystalov\u00e1 struktura kovov\u00fdch materi\u00e1l\u016f ovliv\u0148uje jejich smykovou pevnost. Nap\u0159\u00edklad kdy\u017e jsou zrna kovu jemn\u011bj\u0161\u00ed, jejich smykov\u00e1 pevnost je vy\u0161\u0161\u00ed a je vy\u017eadov\u00e1na v\u011bt\u0161\u00ed smykov\u00e1 s\u00edla. M\u0159\u00ed\u017ekov\u00e9 vady kovu (jako jsou dislokace) tak\u00e9 ovliv\u0148uj\u00ed smykovou s\u00edlu.<\/p>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-b96e0a8 elementor-widget elementor-widget-heading\" data-id=\"b96e0a8\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">11) Ta\u017enost a tvrdost materi\u00e1l\u016f<\/h3>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-1a36ca8 elementor-widget elementor-widget-text-editor\" data-id=\"1a36ca8\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<p>Materi\u00e1ly s lep\u0161\u00ed ta\u017enost\u00ed (jako je m\u011b\u010f a hlin\u00edk) se obecn\u011b sn\u00e1ze smykov\u011b nam\u00e1haj\u00ed ne\u017e materi\u00e1ly s vy\u0161\u0161\u00ed tvrdost\u00ed (jako je tvrd\u00e1 ocel). Proto ta\u017en\u011bj\u0161\u00ed materi\u00e1ly mohou vy\u017eadovat men\u0161\u00ed smykovou s\u00edlu.<\/p><p>Materi\u00e1ly s vy\u0161\u0161\u00ed tvrdost\u00ed (jako je vysokopevnostn\u00ed ocel, slinut\u00fd karbid atd.) maj\u00ed obecn\u011b vy\u0161\u0161\u00ed smykovou pevnost, co\u017e m\u00e1 za n\u00e1sledek pot\u0159ebu v\u011bt\u0161\u00ed smykov\u00e9 s\u00edly.<\/p>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-2ae328d elementor-widget elementor-widget-heading\" data-id=\"2ae328d\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">12) P\u0159ed\u00faprava materi\u00e1lu (jako je \u017e\u00edh\u00e1n\u00ed, kalen\u00ed atd.)<\/h3>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-8940c4e elementor-widget elementor-widget-heading\" data-id=\"8940c4e\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<h4 class=\"elementor-heading-title elementor-size-default\">\u017d\u00edh\u00e1n\u00ed:<\/h4>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-92f6010 elementor-widget elementor-widget-text-editor\" data-id=\"92f6010\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<p>\u017d\u00edh\u00e1n\u00ed zm\u011bk\u010duje kovov\u00fd materi\u00e1l a sni\u017euje jeho smykovou pevnost, \u010d\u00edm\u017e se sni\u017euj\u00ed smykov\u00e9 s\u00edly.<\/p>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-f04c5cb elementor-widget elementor-widget-heading\" data-id=\"f04c5cb\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<h4 class=\"elementor-heading-title elementor-size-default\">Kalen\u00ed:<\/h4>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-c724172 elementor-widget elementor-widget-text-editor\" data-id=\"c724172\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<p>Kovov\u00e9 materi\u00e1ly upraven\u00e9 kalen\u00edm (nap\u0159\u00edklad kalen\u00edm) jsou tvrd\u0161\u00ed a maj\u00ed vy\u0161\u0161\u00ed smykovou pevnost, tak\u017ee k \u0159ez\u00e1n\u00ed vy\u017eaduj\u00ed v\u011bt\u0161\u00ed smykovou s\u00edlu.<\/p>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-e64713c elementor-widget elementor-widget-text-editor\" data-id=\"e64713c\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<p>Celkov\u011b je smykov\u00e1 s\u00edla v\u00fdsledkem n\u011bkolika faktor\u016f. P\u0159i skute\u010dn\u00e9m zpracov\u00e1n\u00ed by m\u011bly b\u00fdt zvoleny vhodn\u00e9 smykov\u00e9 podm\u00ednky podle vlastnost\u00ed materi\u00e1lu a po\u017eadavk\u016f na zpracov\u00e1n\u00ed, aby se dos\u00e1hlo ide\u00e1ln\u00edch smykov\u00fdch \u00fa\u010dink\u016f.<\/p>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-15226d7 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"15226d7\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-d9136c5\" data-id=\"d9136c5\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-d5fd609 elementor-widget-divider--view-line elementor-widget elementor-widget-divider\" data-id=\"d5fd609\" data-element_type=\"widget\" data-widget_type=\"divider.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\"elementor-divider\">\n\t\t\t<span class=\"elementor-divider-separator\">\n\t\t\t\t\t\t<\/span>\n\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-21964c4 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"21964c4\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-35a528b\" data-id=\"35a528b\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-7b0df1b elementor-widget elementor-widget-image\" data-id=\"7b0df1b\" data-element_type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t<img decoding=\"async\" width=\"650\" height=\"599\" src=\"https:\/\/www.shen-chong.com\/wp-content\/uploads\/2025\/02\/SC-guillotine-shear-side-look.jpg\" class=\"attachment-large size-large wp-image-4193\" alt=\"Bo\u010dn\u00ed pohled na gilotinov\u00e9 n\u016f\u017eky SC\" srcset=\"https:\/\/www.shen-chong.com\/wp-content\/uploads\/2025\/02\/SC-guillotine-shear-side-look.jpg 650w, https:\/\/www.shen-chong.com\/wp-content\/uploads\/2025\/02\/SC-guillotine-shear-side-look-300x276.jpg 300w, https:\/\/www.shen-chong.com\/wp-content\/uploads\/2025\/02\/SC-guillotine-shear-side-look-13x12.jpg 13w\" sizes=\"(max-width: 650px) 100vw, 650px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-f3746d3 elementor-widget elementor-widget-heading\" data-id=\"f3746d3\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">2. Vztah mezi smykovou silou a vlastnostmi plechu<\/h2>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-4c9c71a elementor-widget elementor-widget-text-editor\" data-id=\"4c9c71a\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<p>Mezi smykovou silou a vlastnostmi plechu existuje \u00fazk\u00fd vztah, kter\u00fd se odr\u00e1\u017e\u00ed p\u0159edev\u0161\u00edm ve smykov\u00e9 pevnosti, tvrdosti, ta\u017enosti a dal\u0161\u00edch aspektech materi\u00e1lu. Fyzik\u00e1ln\u00ed a mechanick\u00e9 vlastnosti r\u016fzn\u00fdch materi\u00e1l\u016f p\u0159\u00edmo ovliv\u0148uj\u00ed jejich chov\u00e1n\u00ed b\u011bhem smyku a po\u017eadovanou smykovou s\u00edlu. Poj\u010fme se podrobn\u011bji pod\u00edvat na vztah mezi smykovou silou kovu a vlastnostmi materi\u00e1lu.<\/p>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-222bd1e elementor-widget elementor-widget-heading\" data-id=\"222bd1e\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">Smykov\u00e1 pevnost:<\/h3>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-e613ca2 elementor-widget elementor-widget-text-editor\" data-id=\"e613ca2\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<p>Smykov\u00e1 pevnost je maxim\u00e1ln\u00ed odpor kovov\u00e9ho plechu ve smykov\u00e9m stavu, ud\u00e1vaj\u00edc\u00ed kritick\u00e9 nap\u011bt\u00ed, p\u0159i kter\u00e9m se materi\u00e1l za\u010d\u00edn\u00e1 l\u00e1mat p\u016fsoben\u00edm smykov\u00e9 s\u00edly. \u010c\u00edm v\u011bt\u0161\u00ed je smykov\u00e1 pevnost, t\u00edm v\u011bt\u0161\u00ed je smykov\u00e1 s\u00edla.<\/p><p>R\u016fzn\u00e9 kovov\u00e9 materi\u00e1ly maj\u00ed r\u016fznou pevnost ve smyku. Nap\u0159\u00edklad ocel m\u00e1 obvykle vy\u0161\u0161\u00ed pevnost ve smyku ne\u017e hlin\u00edkov\u00e9 slitiny.<\/p>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-1dde382 elementor-widget elementor-widget-heading\" data-id=\"1dde382\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">Tlou\u0161\u0165ka materi\u00e1lu:<\/h3>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-32702d2 elementor-widget elementor-widget-text-editor\" data-id=\"32702d2\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<p>\u010c\u00edm siln\u011bj\u0161\u00ed je deska, t\u00edm v\u011bt\u0161\u00ed je smykov\u00e1 s\u00edla. Je to proto, \u017ee smykov\u00e1 s\u00edla pot\u0159ebn\u00e1 pro tlust\u00e9 desky je \u00fam\u011brn\u00e1 tlou\u0161\u0165ce.<\/p>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-8bfee84 elementor-widget elementor-widget-heading\" data-id=\"8bfee84\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">D\u00e9lka smyku:<\/h3>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-75e9cac elementor-widget elementor-widget-text-editor\" data-id=\"75e9cac\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<p>\u010c\u00edm d\u00e9le je n\u016f\u017e st\u0159\u00edhac\u00edho n\u00e1stroje v kontaktu s kovov\u00fdm plechem, t\u00edm v\u011bt\u0161\u00ed je smykov\u00e1 s\u00edla. Del\u0161\u00ed smykov\u00e1 d\u00e9lka znamen\u00e1 v\u011bt\u0161\u00ed smykovou plochu, kter\u00e1 vy\u017eaduje v\u011bt\u0161\u00ed smykovou s\u00edlu k p\u0159ekon\u00e1n\u00ed smykov\u00e9 pevnosti materi\u00e1lu.<\/p>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-0559829 elementor-widget elementor-widget-text-editor\" data-id=\"0559829\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<p>Schopnost plechu odol\u00e1vat smykov\u00fdm sil\u00e1m z\u00e1vis\u00ed na kombinaci materi\u00e1lov\u00fdch vlastnost\u00ed (jako je pevnost ve smyku, pevnost v tahu, tvrdost a ta\u017enost) a vn\u011bj\u0161\u00edch faktor\u016f, jako je tlou\u0161\u0165ka, struktura zrn a povrchov\u00e9 podm\u00ednky. Siln\u011bj\u0161\u00ed, tvrd\u0161\u00ed a pevn\u011bj\u0161\u00ed materi\u00e1ly obecn\u011b odol\u00e1vaj\u00ed vy\u0161\u0161\u00edm smykov\u00fdm sil\u00e1m, zat\u00edmco m\u011bk\u010d\u00ed a tv\u00e1rn\u011bj\u0161\u00ed materi\u00e1ly se sn\u00e1ze deformuj\u00ed. Vztah mezi t\u011bmito faktory hraje kl\u00ed\u010dovou roli v procesech, jako je \u0159ez\u00e1n\u00ed, d\u011brov\u00e1n\u00ed a tvarov\u00e1n\u00ed plech\u016f.<\/p>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-849d572 elementor-widget elementor-widget-video\" data-id=\"849d572\" data-element_type=\"widget\" data-settings=\"{&quot;youtube_url&quot;:&quot;https:\\\/\\\/youtu.be\\\/5bdQZUho9Ac&quot;,&quot;video_type&quot;:&quot;youtube&quot;,&quot;controls&quot;:&quot;yes&quot;}\" data-widget_type=\"video.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<style>\/*! elementor - v3.20.0 - 13-03-2024 *\/\n.elementor-widget-video .elementor-widget-container{overflow:hidden;transform:translateZ(0)}.elementor-widget-video .elementor-wrapper{aspect-ratio:var(--video-aspect-ratio)}.elementor-widget-video .elementor-wrapper iframe,.elementor-widget-video .elementor-wrapper video{height:100%;width:100%;display:flex;border:none;background-color:#000}@supports not (aspect-ratio:1\/1){.elementor-widget-video .elementor-wrapper{position:relative;overflow:hidden;height:0;padding-bottom:calc(100% \/ var(--video-aspect-ratio))}.elementor-widget-video .elementor-wrapper iframe,.elementor-widget-video .elementor-wrapper video{position:absolute;top:0;right:0;bottom:0;left:0}}.elementor-widget-video .elementor-open-inline .elementor-custom-embed-image-overlay{position:absolute;top:0;right:0;bottom:0;left:0;background-size:cover;background-position:50%}.elementor-widget-video .elementor-custom-embed-image-overlay{cursor:pointer;text-align:center}.elementor-widget-video .elementor-custom-embed-image-overlay:hover .elementor-custom-embed-play i{opacity:1}.elementor-widget-video .elementor-custom-embed-image-overlay img{display:block;width:100%;aspect-ratio:var(--video-aspect-ratio);-o-object-fit:cover;object-fit:cover;-o-object-position:center center;object-position:center center}@supports not (aspect-ratio:1\/1){.elementor-widget-video .elementor-custom-embed-image-overlay{position:relative;overflow:hidden;height:0;padding-bottom:calc(100% \/ var(--video-aspect-ratio))}.elementor-widget-video .elementor-custom-embed-image-overlay img{position:absolute;top:0;right:0;bottom:0;left:0}}.elementor-widget-video .e-hosted-video .elementor-video{-o-object-fit:cover;object-fit:cover}.e-con-inner>.elementor-widget-video,.e-con>.elementor-widget-video{width:var(--container-widget-width);--flex-grow:var(--container-widget-flex-grow)}<\/style>\t\t<div class=\"elementor-wrapper elementor-open-inline\">\n\t\t\t<div class=\"elementor-video\"><\/div>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-686d1bd elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"686d1bd\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-8c5dbdc\" data-id=\"8c5dbdc\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-6a09c40 elementor-widget-divider--view-line elementor-widget elementor-widget-divider\" data-id=\"6a09c40\" data-element_type=\"widget\" data-widget_type=\"divider.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\"elementor-divider\">\n\t\t\t<span class=\"elementor-divider-separator\">\n\t\t\t\t\t\t<\/span>\n\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-6b1ccb4 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"6b1ccb4\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-1f87b3a\" data-id=\"1f87b3a\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-b3df239 elementor-widget elementor-widget-heading\" data-id=\"b3df239\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">3. Z\u00e1v\u011br<\/h2>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-60d1dc1 elementor-widget elementor-widget-text-editor\" data-id=\"60d1dc1\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<p><strong>Smykov\u00e1 s\u00edla kovov\u00fdch desek je ovlivn\u011bna n\u011bkolika faktory, v\u010detn\u011b:<\/strong><\/p><ul><li>Smykov\u00e1 pevnost materi\u00e1lu.<\/li><li>Tlou\u0161\u0165ka desky a smykov\u00e1 d\u00e9lka.<\/li><li>Ostrost, design a \u00fahel \u010depele.<\/li><li>Teplota, smykov\u00e1 rychlost a mazac\u00ed podm\u00ednky.<\/li><li>P\u0159ed\u00faprava a tvrdost materi\u00e1lu.<\/li><\/ul>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-ebbf5d6 elementor-widget elementor-widget-text-editor\" data-id=\"ebbf5d6\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<p>V praktick\u00fdch aplikac\u00edch m\u016f\u017ee optimalizace t\u011bchto faktor\u016f (jako je v\u00fdb\u011br vhodn\u00fdch st\u0159\u00edhac\u00edch n\u00e1stroj\u016f, nastaven\u00ed smykov\u00e9 rychlosti a rozumn\u00e9 zah\u0159\u00edv\u00e1n\u00ed materi\u00e1l\u016f) \u00fa\u010dinn\u011b sn\u00ed\u017eit smykovou s\u00edlu kovu, zlep\u0161it \u00fa\u010dinnost \u0159ez\u00e1n\u00ed a kvalitu zpracov\u00e1n\u00ed.<\/p>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-f3905ac elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"f3905ac\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-46f30d3\" data-id=\"46f30d3\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-4beb5f9 elementor-widget elementor-widget-text-editor\" data-id=\"4beb5f9\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<p><strong><b>Souvisej\u00edc\u00ed \u010dl\u00e1nky:<\/b><\/strong><\/p><ul><li><span style=\"text-decoration: underline;\"><a href=\"https:\/\/www.shen-chong.com\/cs\/shearing-force-calculator-calculation-formula-and-working-principle\/\" target=\"_blank\" rel=\"noopener\">Kalkula\u010dka smykov\u00e9 s\u00edly: V\u00fdpo\u010detn\u00ed vzorec a princip fungov\u00e1n\u00ed<\/a><\/span><\/li><li><span style=\"text-decoration: underline;\"><a href=\"https:\/\/www.shen-chong.com\/cs\/how-to-calculate-the-shearing-force-of-sheet-metal\/\" target=\"_blank\" rel=\"noopener\">Jak vypo\u010d\u00edtat smykovou s\u00edlu plechu<\/a><\/span><\/li><li><span style=\"text-decoration: underline;\"><a href=\"https:\/\/www.shen-chong.com\/cs\/top-10-plate-shearing-machine-brands-ranking\/\" target=\"_blank\" rel=\"noopener\">\u017deb\u0159\u00ed\u010dek 10 nejlep\u0161\u00edch zna\u010dek st\u0159ihac\u00edch stroj\u016f na plech [nejnov\u011bj\u0161\u00ed z roku 2025]<\/a><\/span><\/li><li><span style=\"text-decoration: underline;\"><a href=\"https:\/\/www.shen-chong.com\/cs\/factors-influence-the-plate-shearing-machine-precision\/\" target=\"_blank\" rel=\"noopener\">Faktory ovliv\u0148uj\u00edc\u00ed p\u0159esnost st\u0159ihac\u00edho stroje na plechy<\/a><\/span><\/li><li><span style=\"text-decoration: underline;\"><a href=\"https:\/\/www.shen-chong.com\/cs\/what-is-a-shearing-machine\/\" target=\"_blank\" rel=\"noopener\">Co je to st\u0159\u00edhac\u00ed stroj?<\/a><\/span><\/li><\/ul>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<\/div>","protected":false},"excerpt":{"rendered":"<p>Obsah Velikost a vliv smykov\u00e9 s\u00edly na plech jsou ovlivn\u011bny mnoha faktory. U smykov\u00e9 s\u00edly na plechech pat\u0159\u00ed mezi hlavn\u00ed ovliv\u0148uj\u00edc\u00ed faktory vlastnosti materi\u00e1lu, geometrick\u00e9 rozm\u011bry, proces smyku a vn\u011bj\u0161\u00ed podm\u00ednky. N\u00e1sleduj\u00ed hlavn\u00ed faktory, kter\u00e9 ovliv\u0148uj\u00ed smykovou s\u00edlu. 1. Jak\u00e9 faktory ovliv\u0148uj\u00ed [\u2026]<\/p>","protected":false},"author":1,"featured_media":4188,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-4187","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-news-events"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v22.3 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>What Affects Metal Shear Force? 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