{"id":3458,"date":"2024-09-09T01:09:46","date_gmt":"2024-09-09T01:09:46","guid":{"rendered":"https:\/\/www.shen-chong.com\/?p=3458"},"modified":"2024-09-09T01:46:19","modified_gmt":"2024-09-09T01:46:19","slug":"understanding-springback-in-sheet-metal-bending","status":"publish","type":"post","link":"https:\/\/www.shen-chong.com\/cs\/understanding-springback-in-sheet-metal-bending\/","title":{"rendered":"Pochopen\u00ed pru\u017enosti p\u0159i oh\u00fdb\u00e1n\u00ed plech\u016f"},"content":{"rendered":"<div data-elementor-type=\"wp-post\" data-elementor-id=\"3458\" class=\"elementor elementor-3458\" data-elementor-post-type=\"post\">\n\t\t\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-210b9de elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"210b9de\" 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-8bf7683\" data-id=\"8bf7683\" 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-02c5eb0 elementor-widget elementor-widget-heading\" data-id=\"02c5eb0\" 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\">Zaveden\u00ed<\/h2>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-8f8c071 elementor-toc--minimized-on-tablet elementor-widget elementor-widget-table-of-contents\" data-id=\"8f8c071\" data-element_type=\"widget\" data-settings=\"{&quot;headings_by_tags&quot;:[&quot;h2&quot;],&quot;exclude_headings_by_selector&quot;:[],&quot;marker_view&quot;:&quot;numbers&quot;,&quot;minimize_box&quot;:&quot;yes&quot;,&quot;minimized_on&quot;:&quot;tablet&quot;,&quot;hierarchical_view&quot;:&quot;yes&quot;,&quot;min_height&quot;:{&quot;unit&quot;:&quot;px&quot;,&quot;size&quot;:&quot;&quot;,&quot;sizes&quot;:[]},&quot;min_height_tablet&quot;:{&quot;unit&quot;:&quot;px&quot;,&quot;size&quot;:&quot;&quot;,&quot;sizes&quot;:[]},&quot;min_height_mobile&quot;:{&quot;unit&quot;:&quot;px&quot;,&quot;size&quot;:&quot;&quot;,&quot;sizes&quot;:[]}}\" data-widget_type=\"table-of-contents.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<style>\/*! elementor-pro - v3.18.0 - 20-12-2023 *\/\n.elementor-widget-table-of-contents .elementor-toc__header-title{color:var(--header-color)}.elementor-widget-table-of-contents.elementor-toc--collapsed .elementor-toc__toggle-button--collapse,.elementor-widget-table-of-contents:not(.elementor-toc--collapsed) .elementor-toc__toggle-button--expand{display:none}.elementor-widget-table-of-contents .elementor-widget-container{min-height:var(--box-min-height);border:var(--box-border-width,1px) solid var(--box-border-color,#9da5ae);border-radius:var(--box-border-radius,3px);background-color:var(--box-background-color);transition:min-height .4s;overflow:hidden}.elementor-toc__header{display:flex;align-items:center;justify-content:space-between;padding:var(--box-padding,20px);background-color:var(--header-background-color);border-bottom:var(--separator-width,1px) solid var(--box-border-color,#9da5ae)}.elementor-toc__header-title{font-size:18px;margin:0;color:var(--header-color)}.elementor-toc__toggle-button{cursor:pointer;display:inline-flex}.elementor-toc__toggle-button i{color:var(--toggle-button-color)}.elementor-toc__toggle-button svg{height:1em;width:1em;fill:var(--toggle-button-color)}.elementor-toc__spinner-container{text-align:center}.elementor-toc__spinner{font-size:2em}.elementor-toc__spinner.e-font-icon-svg{height:1em;width:1em}.elementor-toc__body{padding:var(--box-padding,20px);max-height:var(--toc-body-max-height);overflow-y:auto}.elementor-toc__body::-webkit-scrollbar{width:7px}.elementor-toc__body::-webkit-scrollbar-thumb{background-color:#babfc5;border-radius:10px}.elementor-toc__list-wrapper{list-style:none;padding:0}.elementor-toc__list-item{margin-bottom:.5em}.elementor-toc__list-item.elementor-item-active{font-weight:700}.elementor-toc__list-item .elementor-toc__list-wrapper{margin-top:.5em;margin-left:var(--nested-list-indent,1em)}.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__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)}.elementor-toc__list-item-text-wrapper{display:flex;align-items:center}.elementor-toc__list-item-text-wrapper:before,.elementor-toc__list-item-text-wrapper i{margin-right:8px;color:var(--marker-color)}.elementor-toc__list-item-text-wrapper svg{margin-right:8px;fill:var(--marker-color);height:var(--marker-size,.5em);width:var(--marker-size,.5em)}.elementor-toc__list-item-text-wrapper i{font-size:var(--marker-size,.5em)}.elementor-toc__list-item-text-wrapper:before{font-size:var(--marker-size,1em)}.elementor-toc--content-ellipsis .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<h4 class=\"elementor-toc__header-title\">\n\t\t\t\tObsah\t\t\t<\/h4>\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__8f8c071\" 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__8f8c071\" 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__8f8c071\" 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<div class=\"elementor-element elementor-element-3f5a86c elementor-widget elementor-widget-text-editor\" data-id=\"3f5a86c\" 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>Oh\u00fdb\u00e1n\u00ed plech\u016f je kritick\u00fd v\u00fdrobn\u00ed proces pou\u017e\u00edvan\u00fd k tvarov\u00e1n\u00ed kovov\u00fdch plech\u016f do po\u017eadovan\u00e9ho \u00fahlu a tvaru. Hraje d\u016fle\u017eitou roli v odv\u011btv\u00edch, jako je automobilov\u00fd pr\u016fmysl, leteck\u00fd pr\u016fmysl, stavebnictv\u00ed a elektronika. Pro\u010d si v\u0161ak oh\u00fdb\u00e1n\u00ed plech\u016f \u010dasto neudr\u017e\u00ed sv\u016fj tvar? Odpov\u011b\u010f spo\u010d\u00edv\u00e1 v jevu zvan\u00e9m pru\u017enost. Jednou z hlavn\u00edch v\u00fdzev, se kter\u00fdmi se b\u011bhem oh\u00fdb\u00e1n\u00ed setk\u00e1v\u00e1me, je pru\u017enost. K n\u00ed doch\u00e1z\u00ed, kdy\u017e se kov po oh\u00fdb\u00e1n\u00ed \u010d\u00e1ste\u010dn\u011b vr\u00e1t\u00ed do sv\u00e9ho p\u016fvodn\u00edho tvaru, kter\u00fd je ovlivn\u011bn faktory, jako jsou vlastnosti materi\u00e1lu, polom\u011br ohybu a aplikovan\u00e1 s\u00edla. Pru\u017enost p\u0159i oh\u00fdb\u00e1n\u00ed plech\u016f m\u016f\u017ee v\u00e9st k nep\u0159esn\u00fdm kone\u010dn\u00fdm v\u00fdrobk\u016fm. V tomto \u010dl\u00e1nku se budeme zab\u00fdvat d\u016fvody pru\u017enosti p\u0159i oh\u00fdb\u00e1n\u00ed plech\u016f, vlivem pru\u017enosti na p\u0159esnost a \u00fa\u010dinn\u00fdmi strategiemi pro minimalizaci pru\u017enosti. Pochopen\u00ed t\u011bchto koncept\u016f m\u016f\u017ee v\u00fdrazn\u011b zlep\u0161it p\u0159esnost a kvalitu kovoobr\u00e1b\u011bc\u00edch prac\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-9bd59ff elementor-widget-divider--view-line elementor-widget elementor-widget-divider\" data-id=\"9bd59ff\" 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 .elementor-divider-separator{align-items:center}.elementor-widget-divider--view-line_icon .elementor-divider-separator:after,.elementor-widget-divider--view-line_icon .elementor-divider-separator:before,.elementor-widget-divider--view-line_text .elementor-divider-separator:after,.elementor-widget-divider--view-line_text .elementor-divider-separator:before{display:block;content:\"\";border-block-end:0;flex-grow:1;border-block-start:var(--divider-border-width) var(--divider-border-style) var(--divider-color)}.elementor-widget-divider--element-align-left .elementor-divider .elementor-divider-separator>.elementor-divider__svg:first-of-type{flex-grow:0;flex-shrink:100}.elementor-widget-divider--element-align-left .elementor-divider-separator:before{content:none}.elementor-widget-divider--element-align-left .elementor-divider__element{margin-left:0}.elementor-widget-divider--element-align-right .elementor-divider .elementor-divider-separator>.elementor-divider__svg:last-of-type{flex-grow:0;flex-shrink:100}.elementor-widget-divider--element-align-right .elementor-divider-separator:after{content:none}.elementor-widget-divider--element-align-right .elementor-divider__element{margin-right:0}.elementor-widget-divider--element-align-start .elementor-divider .elementor-divider-separator>.elementor-divider__svg:first-of-type{flex-grow:0;flex-shrink:100}.elementor-widget-divider--element-align-start .elementor-divider-separator:before{content:none}.elementor-widget-divider--element-align-start .elementor-divider__element{margin-inline-start:0}.elementor-widget-divider--element-align-end .elementor-divider .elementor-divider-separator>.elementor-divider__svg:last-of-type{flex-grow:0;flex-shrink:100}.elementor-widget-divider--element-align-end .elementor-divider-separator:after{content:none}.elementor-widget-divider--element-align-end .elementor-divider__element{margin-inline-end:0}.elementor-widget-divider:not(.elementor-widget-divider--view-line_text):not(.elementor-widget-divider--view-line_icon) .elementor-divider-separator{border-block-start:var(--divider-border-width) var(--divider-border-style) var(--divider-color)}.elementor-widget-divider--separator-type-pattern{--divider-border-style:none}.elementor-widget-divider--separator-type-pattern.elementor-widget-divider--view-line .elementor-divider-separator,.elementor-widget-divider--separator-type-pattern:not(.elementor-widget-divider--view-line) .elementor-divider-separator:after,.elementor-widget-divider--separator-type-pattern:not(.elementor-widget-divider--view-line) .elementor-divider-separator:before,.elementor-widget-divider--separator-type-pattern:not([class*=elementor-widget-divider--view]) .elementor-divider-separator{width:100%;min-height:var(--divider-pattern-height);-webkit-mask-size:var(--divider-pattern-size) 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-5f1014a elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"5f1014a\" 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-0cf6233\" data-id=\"0cf6233\" 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-c8942da elementor-widget elementor-widget-heading\" data-id=\"c8942da\" 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\">Co je to pru\u017enost p\u0159i oh\u00fdb\u00e1n\u00ed plechu?<\/h2>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-adb41ac elementor-widget elementor-widget-image\" data-id=\"adb41ac\" 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=\"349\" src=\"https:\/\/www.shen-chong.com\/wp-content\/uploads\/2024\/09\/bending-springback-.png\" class=\"attachment-full size-full wp-image-3466\" alt=\"ohybov\u00e1 pru\u017eina\" srcset=\"https:\/\/www.shen-chong.com\/wp-content\/uploads\/2024\/09\/bending-springback-.png 650w, https:\/\/www.shen-chong.com\/wp-content\/uploads\/2024\/09\/bending-springback--300x161.png 300w, https:\/\/www.shen-chong.com\/wp-content\/uploads\/2024\/09\/bending-springback--18x10.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-28673d2 elementor-widget elementor-widget-text-editor\" data-id=\"28673d2\" 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>Pokud kovov\u00e1 deska po ohnut\u00ed nedok\u00e1\u017ee udr\u017eet o\u010dek\u00e1van\u00fd p\u0159esn\u00fd \u00fahel nebo zak\u0159iven\u00ed, doch\u00e1z\u00ed k pru\u017en\u00e9mu zp\u011btn\u00e9mu r\u00e1zu. P\u0159i p\u016fsoben\u00ed s\u00edly na kovovou desku doch\u00e1z\u00ed k jej\u00ed pru\u017en\u00e9 a plastick\u00e9 deformaci. Plastick\u00e1 deformace je trval\u00e1, zat\u00edmco elastick\u00e1 deformace je do\u010dasn\u00e1 a obnov\u00ed se po odstran\u011bn\u00ed vn\u011bj\u0161\u00ed s\u00edly. Obnoven\u00ed t\u00e9to elastick\u00e9 deformace zp\u016fsob\u00ed, \u017ee se deska \u010d\u00e1ste\u010dn\u011b vr\u00e1t\u00ed do p\u016fvodn\u00ed polohy, co\u017e m\u00e1 za n\u00e1sledek pru\u017en\u00fd zp\u011btn\u00fd r\u00e1z.<\/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-20dab65 elementor-widget elementor-widget-heading\" data-id=\"20dab65\" 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\">Fyzik\u00e1ln\u00ed princip<\/h3>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-2b433a8 elementor-widget elementor-widget-text-editor\" data-id=\"2b433a8\" 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>Princip pru\u017enosti spo\u010d\u00edv\u00e1 ve vnit\u0159n\u00edm nap\u011bt\u00ed vznikaj\u00edc\u00edm b\u011bhem ohybu. P\u0159i oh\u00fdb\u00e1n\u00ed plechu se vn\u011bj\u0161\u00ed povrch ohybu natahuje (tahov\u00e9 nap\u011bt\u00ed), zat\u00edmco vnit\u0159n\u00ed povrch se stla\u010duje (tlakov\u00e9 nap\u011bt\u00ed). Jakmile je ohybov\u00e1 s\u00edla odstran\u011bna, elastick\u00e1 slo\u017eka t\u011bchto nap\u011bt\u00ed se sna\u017e\u00ed vr\u00e1tit materi\u00e1l do nedeformovan\u00e9ho stavu. Stupe\u0148 pru\u017enosti z\u00e1vis\u00ed na rovnov\u00e1ze mezi elastickou a plastickou deformac\u00ed v 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-1043800 elementor-widget-divider--view-line elementor-widget elementor-widget-divider\" data-id=\"1043800\" 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-64e1512 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"64e1512\" 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-8c05109\" data-id=\"8c05109\" 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-355e269 elementor-widget elementor-widget-heading\" data-id=\"355e269\" 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\">Faktory ovliv\u0148uj\u00edc\u00ed odpru\u017een\u00ed<\/h2>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-25e0596 elementor-widget elementor-widget-text-editor\" data-id=\"25e0596\" 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>Mno\u017estv\u00ed pru\u017enosti, ke kter\u00e9 doch\u00e1z\u00ed, ovliv\u0148uje n\u011bkolik faktor\u016f <a href=\"https:\/\/www.shen-chong.com\/cs\/comprehensive-introduction-sheet-metal-bending\/\" target=\"_blank\" rel=\"noopener\"><span style=\"color: #3366ff;\">oh\u00fdb\u00e1n\u00ed plech\u016f<\/span><\/a>Pochopen\u00ed t\u011bchto faktor\u016f m\u016f\u017ee pomoci p\u0159i p\u0159edpov\u00edd\u00e1n\u00ed a \u0159\u00edzen\u00ed pru\u017enosti b\u011bhem procesu n\u00e1vrhu a 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-7835723 elementor-widget elementor-widget-heading\" data-id=\"7835723\" 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. Vlastnosti materi\u00e1lu<\/h3>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-ec2a73b elementor-widget elementor-widget-text-editor\" data-id=\"ec2a73b\" 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><strong>Mez kluzu<\/strong>Kovy s vy\u0161\u0161\u00ed mez\u00ed kluzu jsou n\u00e1chyln\u011bj\u0161\u00ed k pru\u017enosti, proto\u017ee odol\u00e1vaj\u00ed trval\u00e9 deformaci a maj\u00ed v\u011bt\u0161\u00ed tendenci k n\u00e1vratu do p\u016fvodn\u00edho tvaru. Vysokopevnostn\u00ed oceli a hlin\u00edkov\u00e9 slitiny \u010dasto vykazuj\u00ed v\u00fdrazn\u011bj\u0161\u00ed pru\u017enost ve srovn\u00e1n\u00ed s n\u00edzkouhl\u00edkovou ocel\u00ed.<\/li><li><strong>Modul pru\u017enosti<\/strong>Modul pru\u017enosti neboli tuhost materi\u00e1lu definuje jeho schopnost vr\u00e1tit se do p\u016fvodn\u00edho tvaru po deformaci. Kovy s vy\u0161\u0161\u00edm modulem pru\u017enosti, jako je ocel, vykazuj\u00ed v\u011bt\u0161\u00ed pru\u017enost ne\u017e m\u011bk\u010d\u00ed materi\u00e1ly, jako je hlin\u00edk nebo m\u011b\u010f.<\/li><\/ul><p>Velikost \u00fahlu pru\u017enosti je p\u0159\u00edmo \u00fam\u011brn\u00e1 mezi kluzu \u03b1a materi\u00e1lu a nep\u0159\u00edmo \u00fam\u011brn\u00e1 modulu pru\u017enosti (E). To znamen\u00e1, \u017ee \u010d\u00edm vy\u0161\u0161\u00ed je mez kluzu materi\u00e1lu, t\u00edm men\u0161\u00ed je modul pru\u017enosti a t\u00edm men\u0161\u00ed je pru\u017enost plechu. Naopak, t\u00edm v\u011bt\u0161\u00ed je pru\u017enost.<\/p><p>U oh\u00fdban\u00fdch obrobk\u016f s vysok\u00fdmi po\u017eadavky na p\u0159esnost by se pro minimalizaci pru\u017enosti m\u011bla volit n\u00edzkouhl\u00edkov\u00e1 ocel nam\u00edsto materi\u00e1l\u016f, jako je vysokouhl\u00edkov\u00e1 ocel nebo nerezov\u00e1 ocel.<\/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-b990cc0 elementor-widget elementor-widget-heading\" data-id=\"b990cc0\" 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-46aeaee elementor-widget elementor-widget-text-editor\" data-id=\"46aeaee\" 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>Siln\u011bj\u0161\u00ed plechy obvykle m\u00e9n\u011b pru\u017en\u011b odpru\u017euj\u00ed ne\u017e ten\u010d\u00ed. Je to proto, \u017ee siln\u011bj\u0161\u00ed plechy se p\u0159i ohybu v\u00edce plasticky deformuj\u00ed, co\u017e sni\u017euje efekt elastick\u00e9ho zotaven\u00ed. Naopak ten\u010d\u00ed plechy jsou pru\u017en\u011bj\u0161\u00ed a pru\u017en\u011bj\u0161\u00ed, co\u017e vede k v\u00fdrazn\u011bj\u0161\u00edmu pru\u017en\u011bn\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-8e054c8 elementor-widget elementor-widget-heading\" data-id=\"8e054c8\" 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. Polom\u011br ohybu<\/h3>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-8ba1b03 elementor-widget elementor-widget-text-editor\" data-id=\"8ba1b03\" 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>Pom\u011br tlou\u0161\u0165ky plechu k polom\u011bru ohybu v\u00fdznamn\u011b ovliv\u0148uje pru\u017enost. Pokud je polom\u011br ohybu v pom\u011bru k tlou\u0161\u0165ce plechu velk\u00fd, doch\u00e1z\u00ed k v\u011bt\u0161\u00ed elastick\u00e9 deformaci, co\u017e vede k v\u011bt\u0161\u00ed pru\u017enosti. Men\u0161\u00ed polom\u011br ohybu m\u00e1 za n\u00e1sledek v\u011bt\u0161\u00ed plastickou deformaci a sni\u017euje pru\u017enost.<\/p><p>Toto je d\u016fle\u017eit\u00fd koncept. Pokud to vlastnosti materi\u00e1lu dovol\u00ed, m\u011bl by zaoblen\u00ed oh\u00fdban\u00fdch plechov\u00fdch d\u00edl\u016f volit co nejmen\u0161\u00ed polom\u011br ohybu, aby se zlep\u0161ila p\u0159esnost obr\u00e1b\u011bn\u00ed. Zvl\u00e1\u0161t\u011b je t\u0159eba poznamenat, \u017ee d\u00edly s velk\u00fdmi polom\u011bry ohybu p\u0159edstavuj\u00ed ur\u010dit\u00e9 v\u00fdzvy p\u0159i \u0159\u00edzen\u00ed p\u0159esnosti a kvality obr\u00e1b\u011bn\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-14f8bad elementor-widget elementor-widget-heading\" data-id=\"14f8bad\" 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. \u00dahel ohybu<\/h3>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-071cde4 elementor-widget elementor-widget-text-editor\" data-id=\"071cde4\" 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 v\u011bt\u0161\u00ed je \u00fahel ohybu, t\u00edm v\u00fdrazn\u011bj\u0161\u00ed je efekt pru\u017enosti p\u0159i oh\u00fdb\u00e1n\u00ed plechu. Nap\u0159\u00edklad p\u0159i oh\u00fdb\u00e1n\u00ed plechu do velk\u00e9ho \u00fahlu (nap\u0159\u00edklad 90 stup\u0148\u016f nebo v\u00edce) je materi\u00e1l vystaven v\u011bt\u0161\u00edmu nam\u00e1h\u00e1n\u00ed, co\u017e zvy\u0161uje pravd\u011bpodobnost pru\u017enosti po odstran\u011bn\u00ed ohybov\u00e9 s\u00edly.<\/p><p>Naopak, men\u0161\u00ed \u00fahel st\u0159edu ohybu znamen\u00e1 men\u0161\u00ed deforma\u010dn\u00ed plochu, co\u017e m\u00e1 za n\u00e1sledek men\u0161\u00ed kumulativn\u00ed mno\u017estv\u00ed elastick\u00e9 deformace, a tedy i men\u0161\u00ed celkov\u00e9 pru\u017en\u00e9 zp\u011btn\u00e9 r\u00e1zy p\u0159i oh\u00fdb\u00e1n\u00ed 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-a6bd3ec elementor-widget elementor-widget-heading\" data-id=\"a6bd3ec\" 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. Metoda oh\u00fdb\u00e1n\u00ed<\/h3>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-8e5b38b elementor-widget elementor-widget-text-editor\" data-id=\"8e5b38b\" 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>R\u016fzn\u00e9 metody oh\u00fdb\u00e1n\u00ed, jako je oh\u00fdb\u00e1n\u00ed vzduchem a oh\u00fdb\u00e1n\u00ed do spodn\u00ed \u010d\u00e1sti, ovliv\u0148uj\u00ed stupe\u0148 pru\u017enosti. P\u0159i oh\u00fdb\u00e1n\u00ed vzduchem je plech podep\u0159en pouze \u010d\u00e1ste\u010dn\u011b, co\u017e vede k v\u011bt\u0161\u00ed pru\u017enosti, zat\u00edmco p\u0159i oh\u00fdb\u00e1n\u00ed do spodn\u00ed \u010d\u00e1sti (kde je plech pln\u011b vtla\u010den do formy) je kov pevn\u011bji uzav\u0159en, co\u017e sni\u017euje pru\u017enost.<\/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-f24974e elementor-widget elementor-widget-heading\" data-id=\"f24974e\" 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. Vliv ohybov\u00e9 s\u00edly F<\/h3>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-1309ab1 elementor-widget elementor-widget-text-editor\" data-id=\"1309ab1\" 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 ur\u010dit\u00e9m polom\u011bru ohybu, \u00fahlu st\u0159edu a tlou\u0161\u0165ce materi\u00e1lu bude m\u00edt v\u011bt\u0161\u00ed ohybov\u00e1 s\u00edla F za n\u00e1sledek men\u0161\u00ed pru\u017enost, zat\u00edmco men\u0161\u00ed ohybov\u00e1 s\u00edla bude m\u00edt za n\u00e1sledek v\u011bt\u0161\u00ed pru\u017enost p\u0159i oh\u00fdb\u00e1n\u00ed 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-9dd50a2 elementor-widget-divider--view-line elementor-widget elementor-widget-divider\" data-id=\"9dd50a2\" 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-b9bedcb elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"b9bedcb\" 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-fe8a0ae\" data-id=\"fe8a0ae\" 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-0e49305 elementor-widget elementor-widget-heading\" data-id=\"0e49305\" 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\">V\u00fdpo\u010det pru\u017einov\u00e9ho ventilu p\u0159i oh\u00fdb\u00e1n\u00ed plechu<\/h2>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-6da61e2 elementor-widget elementor-widget-text-editor\" data-id=\"6da61e2\" 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\u00fdpo\u010det pru\u017enosti p\u0159i oh\u00fdb\u00e1n\u00ed plechu zahrnuje ur\u010den\u00ed rozd\u00edlu mezi po\u010d\u00e1te\u010dn\u00edm \u00fahlem ohybu a \u00fahlem pot\u00e9, co materi\u00e1l v d\u016fsledku elastick\u00e9ho zotaven\u00ed z\u00edsk\u00e1 \u010d\u00e1st sv\u00e9ho p\u016fvodn\u00edho tvaru. Zde je podrobn\u00fd postup pro odhad a v\u00fdpo\u010det pru\u017enosti.<\/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-6f0b024 elementor-widget elementor-widget-heading\" data-id=\"6f0b024\" 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\">Kl\u00ed\u010dov\u00e9 parametry<\/h3>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-f80891b elementor-widget elementor-widget-text-editor\" data-id=\"f80891b\" 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>M\u00edra pru\u017enosti z\u00e1vis\u00ed na n\u011bkolika faktorech, jako jsou vlastnosti materi\u00e1lu, tlou\u0161\u0165ka, polom\u011br ohybu a metoda oh\u00fdb\u00e1n\u00ed.<\/p><ul><li><strong>Young\u016fv modul pru\u017enosti (E):<\/strong>Toto je modul pru\u017enosti materi\u00e1lu, kter\u00fd m\u011b\u0159\u00ed jeho tuhost.<\/li><li><strong>Mez kluzu (\u03c3_y):<\/strong>Toto je nap\u011bt\u00ed, p\u0159i kter\u00e9m se materi\u00e1l za\u010d\u00edn\u00e1 plasticky deformovat.<\/li><li><strong>Po\u010d\u00e1te\u010dn\u00ed polom\u011br ohybu (R_b):<\/strong>Polom\u011br ohybu vytvo\u0159en\u00fd razn\u00edkem p\u0159ed odpru\u017een\u00edm.<\/li><li><strong>Tlou\u0161\u0165ka plechu (t):<\/strong>Tlou\u0161\u0165ka plechu.<\/li><li><strong>Kone\u010dn\u00fd \u00fahel ohybu (\u03b8):<\/strong>\u00dahel po odpru\u017een\u00ed.<\/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-22b4f1b elementor-widget elementor-widget-heading\" data-id=\"22b4f1b\" 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\">Faktor odpru\u017een\u00ed (Ks)<\/h3>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-d9a17d9 elementor-widget elementor-widget-text-editor\" data-id=\"d9a17d9\" 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>Jedn\u00edm z nejjednodu\u0161\u0161\u00edch zp\u016fsob\u016f v\u00fdpo\u010dtu pru\u017enosti je pou\u017eit\u00ed sou\u010dinitele pru\u017enosti. <strong>K.S.<\/strong>, co\u017e je pom\u011br kone\u010dn\u00e9ho \u00fahlu ohybu po odpru\u017een\u00ed k po\u010d\u00e1te\u010dn\u00edmu \u00fahlu ohybu p\u0159ed odpru\u017een\u00edm. Lze jej odhadnout pomoc\u00ed n\u00e1sleduj\u00edc\u00ed rovnice:<\/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-556079b elementor-widget elementor-widget-image\" data-id=\"556079b\" 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=\"197\" src=\"https:\/\/www.shen-chong.com\/wp-content\/uploads\/2024\/09\/springback-factor.jpg\" class=\"attachment-full size-full wp-image-3462\" alt=\"faktor odpru\u017een\u00ed\" srcset=\"https:\/\/www.shen-chong.com\/wp-content\/uploads\/2024\/09\/springback-factor.jpg 650w, https:\/\/www.shen-chong.com\/wp-content\/uploads\/2024\/09\/springback-factor-300x91.jpg 300w, https:\/\/www.shen-chong.com\/wp-content\/uploads\/2024\/09\/springback-factor-18x5.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-f1f0323 elementor-widget elementor-widget-heading\" data-id=\"f1f0323\" 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\">V\u00fdpo\u010det \u00fahlu odpru\u017een\u00ed<\/h3>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-13b79ef elementor-widget elementor-widget-text-editor\" data-id=\"13b79ef\" 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>\u00dahel odpru\u017een\u00ed lze vypo\u010d\u00edtat vyn\u00e1soben\u00edm po\u010d\u00e1te\u010dn\u00edho \u00fahlu ohybu sou\u010dinitelem odpru\u017een\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-150f9ff elementor-widget elementor-widget-image\" data-id=\"150f9ff\" 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=\"217\" src=\"https:\/\/www.shen-chong.com\/wp-content\/uploads\/2024\/09\/springback-angle-calculation.jpg\" class=\"attachment-full size-full wp-image-3463\" alt=\"v\u00fdpo\u010det \u00fahlu odpru\u017een\u00ed\" srcset=\"https:\/\/www.shen-chong.com\/wp-content\/uploads\/2024\/09\/springback-angle-calculation.jpg 650w, https:\/\/www.shen-chong.com\/wp-content\/uploads\/2024\/09\/springback-angle-calculation-300x100.jpg 300w, https:\/\/www.shen-chong.com\/wp-content\/uploads\/2024\/09\/springback-angle-calculation-18x6.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-103b288 elementor-widget elementor-widget-heading\" data-id=\"103b288\" 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\">Odhad pru\u017enosti na z\u00e1klad\u011b vlastnost\u00ed materi\u00e1lu<\/h3>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-2f819cc elementor-widget elementor-widget-text-editor\" data-id=\"2f819cc\" 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>Pro podrobn\u011bj\u0161\u00ed p\u0159\u00edstup, zejm\u00e9na p\u0159i pou\u017eit\u00ed vysoce pevn\u00fdch materi\u00e1l\u016f, lze pru\u017enost vypo\u010d\u00edtat pomoc\u00ed n\u00e1sleduj\u00edc\u00edho vzorce:<\/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-5e38b7b elementor-widget elementor-widget-image\" data-id=\"5e38b7b\" 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 loading=\"lazy\" decoding=\"async\" width=\"650\" height=\"426\" src=\"https:\/\/www.shen-chong.com\/wp-content\/uploads\/2024\/09\/springback-in-degrees.jpg\" class=\"attachment-full size-full wp-image-3464\" alt=\"pru\u017enost ve stupn\u00edch\" srcset=\"https:\/\/www.shen-chong.com\/wp-content\/uploads\/2024\/09\/springback-in-degrees.jpg 650w, https:\/\/www.shen-chong.com\/wp-content\/uploads\/2024\/09\/springback-in-degrees-300x197.jpg 300w, https:\/\/www.shen-chong.com\/wp-content\/uploads\/2024\/09\/springback-in-degrees-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-ed1e538 elementor-widget elementor-widget-heading\" data-id=\"ed1e538\" 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\">P\u0159\u00edklad v\u00fdpo\u010dtu<\/h3>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-c9ff8f7 elementor-widget elementor-widget-text-editor\" data-id=\"c9ff8f7\" 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\u0159edpokl\u00e1dejme, \u017ee m\u00e1te n\u00e1sleduj\u00edc\u00ed data:<\/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-36fdabe elementor-widget elementor-widget-image\" data-id=\"36fdabe\" 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 loading=\"lazy\" decoding=\"async\" width=\"650\" height=\"380\" src=\"https:\/\/www.shen-chong.com\/wp-content\/uploads\/2024\/09\/springback-calculation-example.jpg\" class=\"attachment-full size-full wp-image-3465\" alt=\"p\u0159\u00edklad v\u00fdpo\u010dtu odpru\u017een\u00ed\" srcset=\"https:\/\/www.shen-chong.com\/wp-content\/uploads\/2024\/09\/springback-calculation-example.jpg 650w, https:\/\/www.shen-chong.com\/wp-content\/uploads\/2024\/09\/springback-calculation-example-300x175.jpg 300w, https:\/\/www.shen-chong.com\/wp-content\/uploads\/2024\/09\/springback-calculation-example-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-e11e0bf elementor-widget elementor-widget-text-editor\" data-id=\"e11e0bf\" 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>Po odpru\u017een\u00ed bude tedy \u00fahel ohybu p\u0159ibli\u017en\u011b 89,2\u221889,2^\\circ89,2\u2218, co\u017e nazna\u010duje mal\u00e9 zotaven\u00ed. \u00daprava \u00fahlu ohybu b\u011bhem procesu to kompenzuje.<\/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-ec36256 elementor-widget-divider--view-line elementor-widget elementor-widget-divider\" data-id=\"ec36256\" 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-4bcbbcd elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"4bcbbcd\" 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-cb6cc37\" data-id=\"cb6cc37\" 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-3867784 elementor-widget elementor-widget-heading\" data-id=\"3867784\" 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\">\u0158e\u0161en\u00ed pro zm\u00edrn\u011bn\u00ed zp\u011btn\u00e9ho r\u00e1zu<\/h2>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-d7ca224 elementor-widget elementor-widget-text-editor\" data-id=\"d7ca224\" 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\u0159esto\u017ee nelze pru\u017een\u00ed p\u0159i oh\u00fdb\u00e1n\u00ed plech\u016f zcela eliminovat, lze pou\u017e\u00edt r\u016fzn\u00e9 strategie k omezen\u00ed a minimalizaci jeho \u00fa\u010dink\u016f b\u011bhem procesu oh\u00fdb\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-bf7b1aa elementor-widget elementor-widget-heading\" data-id=\"bf7b1aa\" 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\">Aplikace a v\u00fdznam \u0159\u00edzen\u00ed pru\u017enosti<\/h3>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-8038d36 elementor-widget elementor-widget-text-editor\" data-id=\"8038d36\" 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>Regulace pru\u017enosti je nezbytn\u00e1 v odv\u011btv\u00edch, kde je p\u0159esnost kritick\u00e1, jako je automobilov\u00fd a leteck\u00fd pr\u016fmysl. Sou\u010d\u00e1sti, jako jsou panely karoserie automobil\u016f, potahy letadel a konstruk\u010dn\u00ed r\u00e1my, mus\u00ed dodr\u017eovat p\u0159esn\u00e9 tolerance. Nadm\u011brn\u00e9 pru\u017enost m\u016f\u017ee v\u00e9st k n\u00e1kladn\u00fdm oprav\u00e1m, pl\u00fdtv\u00e1n\u00ed materi\u00e1lem nebo dokonce k naru\u0161en\u00ed struktur\u00e1ln\u00ed integrity.<\/p><p>V hromadn\u00e9 v\u00fdrob\u011b pom\u00e1h\u00e1 minimalizace pru\u017enosti udr\u017eovat konzistentn\u00ed kvalitu nap\u0159\u00ed\u010d velk\u00fdmi \u0161ar\u017eemi, sni\u017euje n\u00e1klady na materi\u00e1l a zvy\u0161uje efektivitu. P\u0159esn\u00e1 regulace pru\u017enosti tak\u00e9 umo\u017e\u0148uje v\u00fdrobc\u016fm pou\u017e\u00edvat vysoce pevn\u00e9 materi\u00e1ly bez kompromis\u016f v kvalit\u011b v\u00fdrobku.<\/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-a8a5458 elementor-widget elementor-widget-heading\" data-id=\"a8a5458\" 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\">Vylep\u0161en\u00ed n\u00e1vrhu oh\u00fdban\u00fdch d\u00edl\u016f<\/h3>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-97eeb41 elementor-widget elementor-widget-text-editor\" data-id=\"97eeb41\" 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<ol><li>Zlep\u0161en\u00ed konstruk\u010dn\u00edho \u0159e\u0161en\u00ed oh\u00fdban\u00fdch \u010d\u00e1st\u00ed m\u016f\u017ee sn\u00ed\u017eit \u00fahel pru\u017enosti, ani\u017e by to ovlivnilo jejich funk\u010dnost. Nap\u0159\u00edklad potla\u010den\u00ed zpev\u0148uj\u00edc\u00edch \u017eeber v zak\u0159iven\u00e9 oblasti nebo pou\u017eit\u00ed tvarovan\u00fdch hran m\u016f\u017ee zv\u00fd\u0161it tuhost a plastickou deformaci zak\u0159iven\u00e9 \u010d\u00e1sti, a t\u00edm sn\u00ed\u017eit pru\u017enost.<\/li><li>Pou\u017eit\u00ed materi\u00e1l\u016f s vysok\u00fdm modulem pru\u017enosti, n\u00edzkou mez\u00ed kluzu, n\u00edzkou tvrdost\u00ed a dobrou plasticitou m\u016f\u017ee sn\u00ed\u017eit odraz a usnadnit kontrolu odrazu a z\u00e1rove\u0148 splnit po\u017eadavky na pou\u017eit\u00ed.<\/li><\/ol>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-cb0aab4 elementor-widget elementor-widget-heading\" data-id=\"cb0aab4\" 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\">Zlep\u0161en\u00ed procesn\u00edch opat\u0159en\u00ed<\/h3>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-3b96b0a elementor-widget elementor-widget-heading\" data-id=\"3b96b0a\" 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\">1. P\u0159ehnut\u00ed<\/h4>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-8413629 elementor-widget elementor-widget-text-editor\" data-id=\"8413629\" 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\u0159edoh\u00fdb\u00e1n\u00ed zahrnuje oh\u00fdb\u00e1n\u00ed plechu m\u00edrn\u011b za po\u017eadovan\u00fd \u00fahel, aby se kompenzovalo pru\u017en\u00e9 r\u00e1zy. Tato technika vy\u017eaduje zku\u0161enosti a p\u0159esn\u00e9 v\u00fdpo\u010dty pro ur\u010den\u00ed spr\u00e1vn\u00e9 m\u00edry p\u0159edoh\u00fdb\u00e1n\u00ed pot\u0159ebn\u00e9 pro r\u016fzn\u00e9 materi\u00e1ly a 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-d7759bb elementor-widget elementor-widget-heading\" data-id=\"d7759bb\" 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\">2. Nastaven\u00ed ohybov\u00e9 s\u00edly<\/h4>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-25dc448 elementor-widget elementor-widget-text-editor\" data-id=\"25dc448\" 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>Zv\u00fd\u0161en\u00ed ohybov\u00e9 s\u00edly nebo pou\u017eit\u00ed sekund\u00e1rn\u00ed ohybov\u00e9 operace m\u016f\u017ee pomoci zv\u00fd\u0161it plastickou deformaci materi\u00e1lu. T\u00edm se sni\u017euje elastick\u00e9 zotaven\u00ed a minimalizuje se zp\u011btn\u00e9 pru\u017enost. Tato technika je obzvl\u00e1\u0161t\u011b \u00fa\u010dinn\u00e1 p\u0159i sni\u017eov\u00e1n\u00ed pru\u017enosti u vysokopevnostn\u00edch materi\u00e1l\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-215032f elementor-widget elementor-widget-heading\" data-id=\"215032f\" 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\">3. Pou\u017eit\u00ed men\u0161\u00edho polom\u011bru ohybu<\/h4>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-b9d5aed elementor-widget elementor-widget-text-editor\" data-id=\"b9d5aed\" 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>D\u00edky men\u0161\u00edmu polom\u011bru ohybu doch\u00e1z\u00ed k v\u011bt\u0161\u00ed plastick\u00e9 deformaci materi\u00e1lu, co\u017e sni\u017euje elastick\u00e9 zotaven\u00ed zodpov\u011bdn\u00e9 za pru\u017enost. Je v\u0161ak t\u0159eba db\u00e1t na to, aby se zabr\u00e1nilo vytvo\u0159en\u00ed p\u0159\u00edli\u0161 mal\u00e9ho polom\u011bru, kter\u00fd by mohl v\u00e9st k prask\u00e1n\u00ed nebo po\u0161kozen\u00ed 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-9a9c9ab elementor-widget elementor-widget-heading\" data-id=\"9a9c9ab\" 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\">4. V\u00fdb\u011br a zpracov\u00e1n\u00ed materi\u00e1lu<\/h4>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-dc267e4 elementor-widget elementor-widget-text-editor\" data-id=\"dc267e4\" 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\u00fdb\u011br materi\u00e1l\u016f s ni\u017e\u0161\u00ed mez\u00ed kluzu nebo pou\u017eit\u00ed tepeln\u00e9ho zpracov\u00e1n\u00ed ke sn\u00ed\u017een\u00ed tvrdosti materi\u00e1lu m\u016f\u017ee sn\u00ed\u017eit pru\u017enost. Nap\u0159\u00edklad \u017e\u00edh\u00e1n\u00ed lze pou\u017e\u00edt ke zm\u011bk\u010den\u00ed kov\u016f, \u010d\u00edm\u017e se stanou tv\u00e1rn\u011bj\u0161\u00edmi a m\u00e9n\u011b n\u00e1chyln\u00fdmi k pru\u017enosti.<\/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-b5bcd2b elementor-widget elementor-widget-heading\" data-id=\"b5bcd2b\" 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\">5. Simulace metodou kone\u010dn\u00fdch prvk\u016f (FEA)<\/h4>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-1bffa25 elementor-widget elementor-widget-text-editor\" data-id=\"1bffa25\" 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>Modern\u00ed softwarov\u00e9 n\u00e1stroje, jako je metoda kone\u010dn\u00fdch prvk\u016f (FEA), umo\u017e\u0148uj\u00ed v\u00fdrobc\u016fm simulovat proces oh\u00fdb\u00e1n\u00ed a p\u0159edpov\u00eddat stupe\u0148 pru\u017enosti p\u0159ed fyzick\u00fdm ohnut\u00edm plechu. Tyto simulace pom\u00e1haj\u00ed in\u017een\u00fdr\u016fm upravit parametry ohybu, aby zajistili p\u0159esn\u00e9 v\u00fdsledky a sn\u00ed\u017eili po\u010det pokus\u016f a omyl\u016f ve f\u00e1zi 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-f450e04 elementor-widget elementor-widget-heading\" data-id=\"f450e04\" 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\">Nastaven\u00ed v\u016fle oh\u00fdbac\u00edch forem<\/h3>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-bab3d38 elementor-widget elementor-widget-text-editor\" data-id=\"bab3d38\" 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>Zmen\u0161en\u00ed mezery mezi formami pom\u00e1h\u00e1 minimalizovat pru\u017enost. Pokud je mezera mezi zak\u0159iven\u00fdmi povrchy matrice men\u0161\u00ed ne\u017e tlou\u0161\u0165ka materi\u00e1lu, lze v\u00fdrazn\u011b sn\u00ed\u017eit odskok, co\u017e m\u016f\u017ee v\u00e9st i k m\u00edrn\u00e9mu negativn\u00edmu odskoku. P\u0159\u00edli\u0161 mal\u00e1 mezera m\u016f\u017ee v\u00e9st ke zten\u010den\u00ed materi\u00e1lu, po\u0161kr\u00e1b\u00e1n\u00ed povrchu obrobku a zkr\u00e1cen\u00ed \u017eivotnosti formy. Pokud se tlou\u0161\u0165ka bramy odchyluje negativn\u011b, m\u016f\u017ee odskok zp\u016fsobit i nadm\u011brn\u00e1 mezera vytvo\u0159en\u00e1 mezi razn\u00edkem a formou. \u0158e\u0161en\u00edm je konstrukce oh\u00fdbac\u00edch forem s nastavitelnou mezerou.<\/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-2290c55 elementor-widget elementor-widget-heading\" data-id=\"2290c55\" 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\">Vylep\u0161en\u00ed konstrukce oh\u00fdbac\u00edch forem<\/h3>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-e154291 elementor-widget elementor-widget-text-editor\" data-id=\"e154291\" 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>Na z\u00e1klad\u011b odhadovan\u00fdch nebo experiment\u00e1ln\u00edch hodnot odrazu m\u016f\u017eeme kompenzovat (nebo ode\u010d\u00edst) rozd\u00edly v rozsahu tvaru a velikost\u00ed pracovn\u00edch \u010d\u00e1st\u00ed formy tak, aby oh\u00fdban\u00e9 d\u00edly spl\u0148ovaly po\u017eadavky na tvar a velikost uveden\u00e9 ve v\u00fdkresu v\u00fdrobku.<\/p><p>1) \u00dahel ohybu a odrazu m\u011bkk\u00fdch materi\u00e1l\u016f, jako jsou m\u011bkk\u00e9 mosazi 0215, 0235, 08, 10, 20 a H2, je men\u0161\u00ed ne\u017e 5 \u00b0. Pokud je odchylka tlou\u0161\u0165ky materi\u00e1lu mal\u00e1, lze na razn\u00edku nebo form\u011b navrhnout sklon (kompenza\u010dn\u00ed \u00fahel odrazu). Mezera mezi razn\u00edkem a formou se rovn\u00e1 minim\u00e1ln\u00ed tlou\u0161\u0165ce materi\u00e1lu a k p\u0159ekon\u00e1n\u00ed odrazu lze pou\u017e\u00edt i z\u00e1pornou mezeru.<\/p><p>2) U m\u011bkk\u00fdch materi\u00e1l\u016f, jako je m\u011bkk\u00e1 mosaz Q215, Q235, 08, 10, 20 a H62, pokud tlou\u0161\u0165ka materi\u00e1lu p\u0159esahuje 0,8 mm a polom\u011br ohybu je velk\u00fd, lze pracovn\u00ed \u010d\u00e1st razn\u00edku navrhnout s lok\u00e1ln\u00edmi v\u00fdstupky. T\u00edm se koncentruje pracovn\u00ed tlak razn\u00edku v zak\u0159iven\u00fdch roz\u00edch.<\/p><p>Zv\u00fd\u0161en\u00edm nap\u011bt\u00ed v ohybu jsme zv\u00fd\u0161ili slo\u017eku plastick\u00e9 deformace v deforma\u010dn\u00ed z\u00f3n\u011b, zlep\u0161ili rozlo\u017een\u00ed nap\u011bt\u00ed, \u010d\u00edm\u017e jsme sn\u00ed\u017eili elastickou deformaci a minimalizovali odraz v maxim\u00e1ln\u00ed mo\u017en\u00e9 m\u00ed\u0159e.<\/p><p>3) U tvrd\u00fdch materi\u00e1l\u016f, jako jsou Q275, 45, 50, H62, lze p\u0159i polom\u011bru ohybu r&gt;t na form\u011b nebo razn\u00edku navrhnout \u00fahel kompenzace odrazu na z\u00e1klad\u011b p\u0159edem odhadnut\u00fdch nebo experiment\u00e1ln\u011b z\u00edskan\u00fdch hodnot odrazu, aby se odraz eliminoval.<\/p><p>Alternativn\u011b m\u016f\u017ee b\u00fdt horn\u00ed \u010d\u00e1st formy navr\u017eena jako obloukovit\u00e1 plocha (pro oh\u00fdb\u00e1n\u00ed ve tvaru U), co\u017e m\u00e1 za n\u00e1sledek lok\u00e1ln\u00ed zp\u011btn\u00e9 oh\u00fdb\u00e1n\u00ed ve spodn\u00ed \u010d\u00e1sti. To znamen\u00e1, \u017ee kdy\u017e je d\u00edl vyjmut z formy, odraz zp\u011btn\u00e9 k\u0159ivky zp\u016fsob\u00ed negativn\u00ed odraz na obou stran\u00e1ch, \u010d\u00edm\u017e se vykompenzuje kladn\u00fd odraz bo\u010dn\u00edch st\u011bn.<\/p><p>4) U oh\u00fdb\u00e1n\u00ed ve tvaru Z mohou m\u00edt dva \u00fahly ohybu ve tvaru Z r\u016fzn\u00e9 hodnoty odrazu, co\u017e m\u016f\u017ee zp\u016fsobit, \u017ee horn\u00ed a spodn\u00ed povrchy sou\u010d\u00e1st\u00ed ve tvaru Z nebudou rovnob\u011b\u017en\u00e9. Aby se tomuto jevu zabr\u00e1nilo, m\u011bly by b\u00fdt razn\u00edk a forma naklon\u011bny sm\u011brem ven pod \u00fahlem \u0394 \u03c6. U plech\u016f v\u00e1lcovan\u00fdch za studena o tlou\u0161\u0165ce men\u0161\u00ed ne\u017e 1 mm se \u00fahel sklonu obvykle bere jako 2 \u00b0~3 \u00b0.<\/p><p>5) Pro m\u011bk\u010d\u00ed materi\u00e1ly lze m\u00edsto pevn\u00fdch forem pou\u017e\u00edt pry\u017eov\u00e9 formy, jak je zn\u00e1zorn\u011bno na obr\u00e1zku 1-10. Vzhledem k tomu, \u017ee pry\u017e m\u016f\u017ee p\u0159en\u00e1\u0161et tlak v r\u016fzn\u00fdch sm\u011brech podobn\u011b jako kapalina v pevn\u00e9 n\u00e1dob\u011b, doch\u00e1z\u00ed v procesu oh\u00fdb\u00e1n\u00ed k v\u00fdhodn\u00fdm zm\u011bn\u00e1m ve srovn\u00e1n\u00ed s pou\u017eit\u00edm pevn\u00fdch forem.<\/p><p>Deska je pln\u011b podep\u0159ena gumou, s pevn\u011bj\u0161\u00ed oporou uprost\u0159ed ne\u017e po stran\u00e1ch. Proto, kdy\u017e se dv\u011b rovn\u00e9 st\u011bny desky ohnou kolem zaoblen\u00fdch roh\u016f razn\u00edku, pln\u011b p\u0159ilnou k povrchu razn\u00edku a rovn\u00e9 st\u011bny jsou m\u00e9n\u011b n\u00e1chyln\u00e9 k nadm\u011brn\u00e9mu oh\u00fdb\u00e1n\u00ed, co\u017e sni\u017euje odskok.<\/p><p>Pokud se pou\u017eij\u00ed pry\u017eov\u00e9 elastomery s vysokou tvrdost\u00ed, je efekt je\u0161t\u011b lep\u0161\u00ed. Krom\u011b vysok\u00e9 p\u0159esnosti nezanech\u00e1v\u00e1 pou\u017eit\u00ed pry\u017eov\u00fdch forem \u0161kr\u00e1bance na povrchu oh\u00fdban\u00fdch d\u00edl\u016f a v\u0161estrannost pry\u017eov\u00fdch a pry\u017eov\u00fdch elastomerov\u00fdch forem je velmi dobr\u00e1.<\/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-f8292f5 elementor-widget-divider--view-line elementor-widget elementor-widget-divider\" data-id=\"f8292f5\" 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-8884bb2 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"8884bb2\" 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-4a166b3\" data-id=\"4a166b3\" 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-0cf08f9 elementor-widget elementor-widget-heading\" data-id=\"0cf08f9\" 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\">Z\u00e1v\u011br<\/h2>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-638df01 elementor-widget elementor-widget-text-editor\" data-id=\"638df01\" 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>Pru\u017een\u00ed je inherentn\u00ed v\u00fdzvou p\u0159i oh\u00fdb\u00e1n\u00ed plech\u016f, kter\u00e1 je zp\u016fsobena elastick\u00fdm zotaven\u00edm materi\u00e1lu po plastick\u00e9 deformaci. Stupe\u0148 pru\u017een\u00ed ovliv\u0148uj\u00ed faktory, jako jsou vlastnosti materi\u00e1lu, tlou\u0161\u0165ka plechu, polom\u011br ohybu a metoda oh\u00fdb\u00e1n\u00ed. Pou\u017eit\u00edm strategi\u00ed, jako je nadm\u011brn\u00e9 oh\u00fdb\u00e1n\u00ed, \u00faprava ohybov\u00fdch sil a simula\u010dn\u00ed n\u00e1stroje, v\u0161ak mohou v\u00fdrobci efektivn\u011b \u0159\u00eddit pru\u017een\u00ed a vyr\u00e1b\u011bt vysoce kvalitn\u00ed, p\u0159esn\u011b tvarovan\u00e9 d\u00edly. Vzhledem k tomu, \u017ee popt\u00e1vka po lehk\u00fdch, pevn\u00fdch a p\u0159esn\u00fdch sou\u010d\u00e1stech v odv\u011btv\u00edch, jako je automobilov\u00fd a leteck\u00fd pr\u016fmysl, st\u00e1le roste, zvl\u00e1dnut\u00ed \u0159\u00edzen\u00ed pru\u017een\u00ed z\u016fstane kritick\u00fdm aspektem v\u00fdroby plech\u016f.<\/p><p><a href=\"https:\/\/www.shen-chong.com\/cs\/\" target=\"_blank\" rel=\"noopener\"><span style=\"color: #3366ff;\">SC Machinery<\/span><\/a> je profesion\u00e1l <a href=\"https:\/\/www.shen-chong.com\/cs\/cnc-press-brake-machine\/\" target=\"_blank\" rel=\"noopener\"><span style=\"color: #3366ff;\">CNC ohra\u0148ovac\u00ed lis<\/span><\/a> a tov\u00e1rna na d\u011brovac\u00ed lisy a poskytujeme klient\u016fm oh\u00fdbac\u00ed \u0159e\u0161en\u00ed ji\u017e v\u00edce ne\u017e 25 let. Pokud pot\u0159ebujete oh\u00fdbac\u00ed stroje, nev\u00e1hejte n\u00e1s kontaktovat.<\/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-ef2d5fb elementor-widget elementor-widget-text-editor\" data-id=\"ef2d5fb\" 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>Dal\u0161\u00ed \u010dl\u00e1nky pro v\u00e1s:<\/b><\/strong><\/p><p><a href=\"https:\/\/www.shen-chong.com\/cs\/what-are-the-k-factor-bend-allowance-and-bend-deduction\/\" target=\"_blank\" rel=\"noopener\">Co je to faktor K, p\u0159\u00eddavek na ohyb a odpo\u010det ohybu?<\/a><\/p><p><a href=\"https:\/\/www.shen-chong.com\/cs\/ultimate-guide-for-press-brake-tooling\/\" target=\"_blank\" rel=\"noopener\">Ultim\u00e1tn\u00ed pr\u016fvodce n\u00e1stroji pro ohra\u0148ovac\u00ed lisy<\/a><\/p><p><a href=\"https:\/\/www.shen-chong.com\/cs\/all-you-need-to-know-about-sheet-metal-gauge\/\" target=\"_blank\" rel=\"noopener\">V\u0161e, co pot\u0159ebujete v\u011bd\u011bt o m\u011b\u0159idlech plech\u016f<\/a><\/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<\/div>","protected":false},"excerpt":{"rendered":"<p>\u00davod Obsah Oh\u00fdb\u00e1n\u00ed plech\u016f je kl\u00ed\u010dov\u00fd v\u00fdrobn\u00ed proces pou\u017e\u00edvan\u00fd k tvarov\u00e1n\u00ed kovov\u00fdch plech\u016f do po\u017eadovan\u00e9ho \u00fahlu a tvaru. Hraje d\u016fle\u017eitou roli v odv\u011btv\u00edch, jako je automobilov\u00fd pr\u016fmysl, leteck\u00fd pr\u016fmysl, stavebnictv\u00ed a elektronika. Pro\u010d si ale oh\u00fdb\u00e1n\u00ed plech\u016f \u010dasto neudr\u017e\u00ed sv\u016fj tvar? Odpov\u011b\u010f spo\u010d\u00edv\u00e1 v jevu zvan\u00e9m [\u2026]<\/p>","protected":false},"author":1,"featured_media":3459,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-3458","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>Understanding Springback In Sheet Metal Bending - SC Machinery<\/title>\n<meta name=\"description\" content=\"Springback in sheet metal bending is influenced by factors such as material properties, bending radius, bending method and applied force.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.shen-chong.com\/cs\/understanding-springback-in-sheet-metal-bending\/\" \/>\n<meta property=\"og:locale\" content=\"cs_CZ\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Understanding Springback In Sheet Metal Bending - SC Machinery\" \/>\n<meta property=\"og:description\" content=\"Springback in sheet metal bending is influenced by factors such as material properties, bending radius, bending method and applied force.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.shen-chong.com\/cs\/understanding-springback-in-sheet-metal-bending\/\" \/>\n<meta property=\"og:site_name\" content=\"SC Machinery\" \/>\n<meta property=\"article:published_time\" content=\"2024-09-09T01:09:46+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2024-09-09T01:46:19+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.shen-chong.com\/wp-content\/uploads\/2024\/09\/springback-in-sheet-metal-bending.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"1200\" \/>\n\t<meta property=\"og:image:height\" content=\"650\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"scgroup\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Napsal(a)\" \/>\n\t<meta name=\"twitter:data1\" content=\"scgroup\" \/>\n\t<meta name=\"twitter:label2\" content=\"Odhadovan\u00e1 doba \u010dten\u00ed\" \/>\n\t<meta name=\"twitter:data2\" content=\"11 minut\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\/\/www.shen-chong.com\/understanding-springback-in-sheet-metal-bending\/#article\",\"isPartOf\":{\"@id\":\"https:\/\/www.shen-chong.com\/understanding-springback-in-sheet-metal-bending\/\"},\"author\":{\"name\":\"scgroup\",\"@id\":\"https:\/\/www.shen-chong.com\/#\/schema\/person\/99f0fe132e72a4e5a0d9c468878820a2\"},\"headline\":\"Understanding Springback In Sheet Metal Bending\",\"datePublished\":\"2024-09-09T01:09:46+00:00\",\"dateModified\":\"2024-09-09T01:46:19+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\/\/www.shen-chong.com\/understanding-springback-in-sheet-metal-bending\/\"},\"wordCount\":2205,\"publisher\":{\"@id\":\"https:\/\/www.shen-chong.com\/#organization\"},\"image\":{\"@id\":\"https:\/\/www.shen-chong.com\/understanding-springback-in-sheet-metal-bending\/#primaryimage\"},\"thumbnailUrl\":\"https:\/\/www.shen-chong.com\/wp-content\/uploads\/2024\/09\/springback-in-sheet-metal-bending.jpg\",\"articleSection\":[\"News&amp;Events\"],\"inLanguage\":\"cs\"},{\"@type\":\"WebPage\",\"@id\":\"https:\/\/www.shen-chong.com\/understanding-springback-in-sheet-metal-bending\/\",\"url\":\"https:\/\/www.shen-chong.com\/understanding-springback-in-sheet-metal-bending\/\",\"name\":\"Understanding Springback In Sheet Metal Bending - SC Machinery\",\"isPartOf\":{\"@id\":\"https:\/\/www.shen-chong.com\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\/\/www.shen-chong.com\/understanding-springback-in-sheet-metal-bending\/#primaryimage\"},\"image\":{\"@id\":\"https:\/\/www.shen-chong.com\/understanding-springback-in-sheet-metal-bending\/#primaryimage\"},\"thumbnailUrl\":\"https:\/\/www.shen-chong.com\/wp-content\/uploads\/2024\/09\/springback-in-sheet-metal-bending.jpg\",\"datePublished\":\"2024-09-09T01:09:46+00:00\",\"dateModified\":\"2024-09-09T01:46:19+00:00\",\"description\":\"Springback in sheet metal bending is influenced by factors such as material properties, bending radius, bending method and applied force.\",\"breadcrumb\":{\"@id\":\"https:\/\/www.shen-chong.com\/understanding-springback-in-sheet-metal-bending\/#breadcrumb\"},\"inLanguage\":\"cs\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/www.shen-chong.com\/understanding-springback-in-sheet-metal-bending\/\"]}]},{\"@type\":\"ImageObject\",\"inLanguage\":\"cs\",\"@id\":\"https:\/\/www.shen-chong.com\/understanding-springback-in-sheet-metal-bending\/#primaryimage\",\"url\":\"https:\/\/www.shen-chong.com\/wp-content\/uploads\/2024\/09\/springback-in-sheet-metal-bending.jpg\",\"contentUrl\":\"https:\/\/www.shen-chong.com\/wp-content\/uploads\/2024\/09\/springback-in-sheet-metal-bending.jpg\",\"width\":1200,\"height\":650,\"caption\":\"springback in sheet metal bending\"},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/www.shen-chong.com\/understanding-springback-in-sheet-metal-bending\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\/\/www.shen-chong.com\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Understanding Springback In Sheet Metal Bending\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\/\/www.shen-chong.com\/#website\",\"url\":\"https:\/\/www.shen-chong.com\/\",\"name\":\"SC Machinery\",\"description\":\"SC Machinery\",\"publisher\":{\"@id\":\"https:\/\/www.shen-chong.com\/#organization\"},\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\/\/www.shen-chong.com\/?s={search_term_string}\"},\"query-input\":\"required name=search_term_string\"}],\"inLanguage\":\"cs\"},{\"@type\":\"Organization\",\"@id\":\"https:\/\/www.shen-chong.com\/#organization\",\"name\":\"SC Machinery\",\"url\":\"https:\/\/www.shen-chong.com\/\",\"logo\":{\"@type\":\"ImageObject\",\"inLanguage\":\"cs\",\"@id\":\"https:\/\/www.shen-chong.com\/#\/schema\/logo\/image\/\",\"url\":\"https:\/\/www.shen-chong.com\/wp-content\/uploads\/2024\/01\/1651849658692052.png\",\"contentUrl\":\"https:\/\/www.shen-chong.com\/wp-content\/uploads\/2024\/01\/1651849658692052.png\",\"width\":243,\"height\":46,\"caption\":\"SC Machinery\"},\"image\":{\"@id\":\"https:\/\/www.shen-chong.com\/#\/schema\/logo\/image\/\"}},{\"@type\":\"Person\",\"@id\":\"https:\/\/www.shen-chong.com\/#\/schema\/person\/99f0fe132e72a4e5a0d9c468878820a2\",\"name\":\"scgroup\",\"image\":{\"@type\":\"ImageObject\",\"inLanguage\":\"cs\",\"@id\":\"https:\/\/www.shen-chong.com\/#\/schema\/person\/image\/\",\"url\":\"https:\/\/secure.gravatar.com\/avatar\/8d1271ef296a7e9b2bfeab3b74584125ef9edcdc8c377a42443a0d11b68b6c1e?s=96&d=mm&r=g\",\"contentUrl\":\"https:\/\/secure.gravatar.com\/avatar\/8d1271ef296a7e9b2bfeab3b74584125ef9edcdc8c377a42443a0d11b68b6c1e?s=96&d=mm&r=g\",\"caption\":\"scgroup\"},\"sameAs\":[\"http:\/\/shen-chong.com\"]}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"Understanding Springback In Sheet Metal Bending - SC Machinery","description":"Springback in sheet metal bending is influenced by factors such as material properties, bending radius, bending method and applied force.","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/www.shen-chong.com\/cs\/understanding-springback-in-sheet-metal-bending\/","og_locale":"cs_CZ","og_type":"article","og_title":"Understanding Springback In Sheet Metal Bending - SC Machinery","og_description":"Springback in sheet metal bending is influenced by factors such as material properties, bending radius, bending method and applied force.","og_url":"https:\/\/www.shen-chong.com\/cs\/understanding-springback-in-sheet-metal-bending\/","og_site_name":"SC Machinery","article_published_time":"2024-09-09T01:09:46+00:00","article_modified_time":"2024-09-09T01:46:19+00:00","og_image":[{"width":1200,"height":650,"url":"https:\/\/www.shen-chong.com\/wp-content\/uploads\/2024\/09\/springback-in-sheet-metal-bending.jpg","type":"image\/jpeg"}],"author":"scgroup","twitter_card":"summary_large_image","twitter_misc":{"Napsal(a)":"scgroup","Odhadovan\u00e1 doba \u010dten\u00ed":"11 minut"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"Article","@id":"https:\/\/www.shen-chong.com\/understanding-springback-in-sheet-metal-bending\/#article","isPartOf":{"@id":"https:\/\/www.shen-chong.com\/understanding-springback-in-sheet-metal-bending\/"},"author":{"name":"scgroup","@id":"https:\/\/www.shen-chong.com\/#\/schema\/person\/99f0fe132e72a4e5a0d9c468878820a2"},"headline":"Understanding Springback In Sheet Metal Bending","datePublished":"2024-09-09T01:09:46+00:00","dateModified":"2024-09-09T01:46:19+00:00","mainEntityOfPage":{"@id":"https:\/\/www.shen-chong.com\/understanding-springback-in-sheet-metal-bending\/"},"wordCount":2205,"publisher":{"@id":"https:\/\/www.shen-chong.com\/#organization"},"image":{"@id":"https:\/\/www.shen-chong.com\/understanding-springback-in-sheet-metal-bending\/#primaryimage"},"thumbnailUrl":"https:\/\/www.shen-chong.com\/wp-content\/uploads\/2024\/09\/springback-in-sheet-metal-bending.jpg","articleSection":["News&amp;Events"],"inLanguage":"cs"},{"@type":"WebPage","@id":"https:\/\/www.shen-chong.com\/understanding-springback-in-sheet-metal-bending\/","url":"https:\/\/www.shen-chong.com\/understanding-springback-in-sheet-metal-bending\/","name":"Understanding Springback In Sheet Metal Bending - SC Machinery","isPartOf":{"@id":"https:\/\/www.shen-chong.com\/#website"},"primaryImageOfPage":{"@id":"https:\/\/www.shen-chong.com\/understanding-springback-in-sheet-metal-bending\/#primaryimage"},"image":{"@id":"https:\/\/www.shen-chong.com\/understanding-springback-in-sheet-metal-bending\/#primaryimage"},"thumbnailUrl":"https:\/\/www.shen-chong.com\/wp-content\/uploads\/2024\/09\/springback-in-sheet-metal-bending.jpg","datePublished":"2024-09-09T01:09:46+00:00","dateModified":"2024-09-09T01:46:19+00:00","description":"Springback in sheet metal bending is influenced by factors such as material properties, bending radius, bending method and applied force.","breadcrumb":{"@id":"https:\/\/www.shen-chong.com\/understanding-springback-in-sheet-metal-bending\/#breadcrumb"},"inLanguage":"cs","potentialAction":[{"@type":"ReadAction","target":["https:\/\/www.shen-chong.com\/understanding-springback-in-sheet-metal-bending\/"]}]},{"@type":"ImageObject","inLanguage":"cs","@id":"https:\/\/www.shen-chong.com\/understanding-springback-in-sheet-metal-bending\/#primaryimage","url":"https:\/\/www.shen-chong.com\/wp-content\/uploads\/2024\/09\/springback-in-sheet-metal-bending.jpg","contentUrl":"https:\/\/www.shen-chong.com\/wp-content\/uploads\/2024\/09\/springback-in-sheet-metal-bending.jpg","width":1200,"height":650,"caption":"springback in sheet metal bending"},{"@type":"BreadcrumbList","@id":"https:\/\/www.shen-chong.com\/understanding-springback-in-sheet-metal-bending\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https:\/\/www.shen-chong.com\/"},{"@type":"ListItem","position":2,"name":"Understanding Springback In Sheet Metal Bending"}]},{"@type":"WebSite","@id":"https:\/\/www.shen-chong.com\/#website","url":"https:\/\/www.shen-chong.com\/","name":"SC Machinery","description":"SC Machinery","publisher":{"@id":"https:\/\/www.shen-chong.com\/#organization"},"potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/www.shen-chong.com\/?s={search_term_string}"},"query-input":"required name=search_term_string"}],"inLanguage":"cs"},{"@type":"Organization","@id":"https:\/\/www.shen-chong.com\/#organization","name":"SC Machinery","url":"https:\/\/www.shen-chong.com\/","logo":{"@type":"ImageObject","inLanguage":"cs","@id":"https:\/\/www.shen-chong.com\/#\/schema\/logo\/image\/","url":"https:\/\/www.shen-chong.com\/wp-content\/uploads\/2024\/01\/1651849658692052.png","contentUrl":"https:\/\/www.shen-chong.com\/wp-content\/uploads\/2024\/01\/1651849658692052.png","width":243,"height":46,"caption":"SC Machinery"},"image":{"@id":"https:\/\/www.shen-chong.com\/#\/schema\/logo\/image\/"}},{"@type":"Person","@id":"https:\/\/www.shen-chong.com\/#\/schema\/person\/99f0fe132e72a4e5a0d9c468878820a2","name":"scgroup","image":{"@type":"ImageObject","inLanguage":"cs","@id":"https:\/\/www.shen-chong.com\/#\/schema\/person\/image\/","url":"https:\/\/secure.gravatar.com\/avatar\/8d1271ef296a7e9b2bfeab3b74584125ef9edcdc8c377a42443a0d11b68b6c1e?s=96&d=mm&r=g","contentUrl":"https:\/\/secure.gravatar.com\/avatar\/8d1271ef296a7e9b2bfeab3b74584125ef9edcdc8c377a42443a0d11b68b6c1e?s=96&d=mm&r=g","caption":"scgroup"},"sameAs":["http:\/\/shen-chong.com"]}]}},"_links":{"self":[{"href":"https:\/\/www.shen-chong.com\/cs\/wp-json\/wp\/v2\/posts\/3458","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.shen-chong.com\/cs\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.shen-chong.com\/cs\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.shen-chong.com\/cs\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.shen-chong.com\/cs\/wp-json\/wp\/v2\/comments?post=3458"}],"version-history":[{"count":4,"href":"https:\/\/www.shen-chong.com\/cs\/wp-json\/wp\/v2\/posts\/3458\/revisions"}],"predecessor-version":[{"id":3469,"href":"https:\/\/www.shen-chong.com\/cs\/wp-json\/wp\/v2\/posts\/3458\/revisions\/3469"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.shen-chong.com\/cs\/wp-json\/wp\/v2\/media\/3459"}],"wp:attachment":[{"href":"https:\/\/www.shen-chong.com\/cs\/wp-json\/wp\/v2\/media?parent=3458"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.shen-chong.com\/cs\/wp-json\/wp\/v2\/categories?post=3458"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.shen-chong.com\/cs\/wp-json\/wp\/v2\/tags?post=3458"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}