{"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\/vi\/understanding-springback-in-sheet-metal-bending\/","title":{"rendered":"Hi\u1ec3u v\u1ec1 Springback trong u\u1ed1n t\u1ea5m kim lo\u1ea1i"},"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 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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<h4 class=\"elementor-toc__header-title\">\n\t\t\t\tM\u1ee5c l\u1ee5c\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=\"M\u1edf m\u1ee5c l\u1ee5c\"><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=\"\u0110\u00f3ng m\u1ee5c l\u1ee5c\"><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>U\u1ed1n t\u1ea5m kim lo\u1ea1i l\u00e0 m\u1ed9t quy tr\u00ecnh s\u1ea3n xu\u1ea5t quan tr\u1ecdng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 \u0111\u1ecbnh h\u00ecnh c\u00e1c t\u1ea5m kim lo\u1ea1i theo g\u00f3c v\u00e0 h\u00ecnh d\u1ea1ng mong mu\u1ed1n. N\u00f3 \u0111\u00f3ng vai tr\u00f2 quan tr\u1ecdng trong c\u00e1c ng\u00e0nh c\u00f4ng nghi\u1ec7p nh\u01b0 \u00f4 t\u00f4, h\u00e0ng kh\u00f4ng v\u0169 tr\u1ee5, x\u00e2y d\u1ef1ng v\u00e0 \u0111i\u1ec7n t\u1eed. Nh\u01b0ng t\u1ea1i sao u\u1ed1n t\u1ea5m kim lo\u1ea1i th\u01b0\u1eddng kh\u00f4ng gi\u1eef \u0111\u01b0\u1ee3c h\u00ecnh d\u1ea1ng c\u1ee7a ch\u00fang? C\u00e2u tr\u1ea3 l\u1eddi n\u1eb1m \u1edf m\u1ed9t hi\u1ec7n t\u01b0\u1ee3ng g\u1ecdi l\u00e0 \u0111\u00e0n h\u1ed3i tr\u1edf l\u1ea1i. M\u1ed9t trong nh\u1eefng th\u00e1ch th\u1ee9c ch\u00ednh g\u1eb7p ph\u1ea3i trong qu\u00e1 tr\u00ecnh u\u1ed1n l\u00e0 \u0111\u00e0n h\u1ed3i tr\u1edf l\u1ea1i. Hi\u1ec7n t\u01b0\u1ee3ng n\u00e0y x\u1ea3y ra khi kim lo\u1ea1i tr\u1edf l\u1ea1i m\u1ed9t ph\u1ea7n h\u00ecnh d\u1ea1ng ban \u0111\u1ea7u sau khi u\u1ed1n, ch\u1ecbu \u1ea3nh h\u01b0\u1edfng c\u1ee7a c\u00e1c y\u1ebfu t\u1ed1 nh\u01b0 \u0111\u1eb7c t\u00ednh v\u1eadt li\u1ec7u, b\u00e1n k\u00ednh u\u1ed1n v\u00e0 l\u1ef1c t\u00e1c d\u1ee5ng. \u0110\u00e0n h\u1ed3i tr\u1edf l\u1ea1i trong qu\u00e1 tr\u00ecnh u\u1ed1n t\u1ea5m kim lo\u1ea1i c\u00f3 th\u1ec3 d\u1eabn \u0111\u1ebfn s\u1ea3n ph\u1ea9m cu\u1ed1i c\u00f9ng kh\u00f4ng ch\u00ednh x\u00e1c. Trong b\u00e0i vi\u1ebft n\u00e0y, ch\u00fang ta s\u1ebd t\u00ecm hi\u1ec3u l\u00fd do g\u00e2y ra \u0111\u00e0n h\u1ed3i tr\u1edf l\u1ea1i trong qu\u00e1 tr\u00ecnh u\u1ed1n t\u1ea5m kim lo\u1ea1i, t\u00e1c \u0111\u1ed9ng c\u1ee7a \u0111\u00e0n h\u1ed3i tr\u1edf l\u1ea1i \u0111\u1ebfn \u0111\u1ed9 ch\u00ednh x\u00e1c v\u00e0 c\u00e1c chi\u1ebfn l\u01b0\u1ee3c hi\u1ec7u qu\u1ea3 \u0111\u1ec3 gi\u1ea3m thi\u1ec3u \u0111\u00e0n h\u1ed3i tr\u1edf l\u1ea1i. Hi\u1ec3u \u0111\u01b0\u1ee3c c\u00e1c kh\u00e1i ni\u1ec7m n\u00e0y c\u00f3 th\u1ec3 c\u1ea3i thi\u1ec7n \u0111\u00e1ng k\u1ec3 \u0111\u1ed9 ch\u00ednh x\u00e1c v\u00e0 ch\u1ea5t l\u01b0\u1ee3ng c\u1ee7a c\u00e1c c\u00f4ng vi\u1ec7c gia c\u00f4ng kim lo\u1ea1i.<\/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 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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\">\u0110\u1ed9 \u0111\u00e0n h\u1ed3i khi u\u1ed1n t\u1ea5m kim lo\u1ea1i l\u00e0 g\u00ec?<\/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=\"u\u1ed1n cong l\u00f2 xo\" 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>Khi m\u1ed9t t\u1ea5m kim lo\u1ea1i kh\u00f4ng th\u1ec3 duy tr\u00ec g\u00f3c ho\u1eb7c \u0111\u1ed9 cong ch\u00ednh x\u00e1c nh\u01b0 mong \u0111\u1ee3i sau khi u\u1ed1n, hi\u1ec7n t\u01b0\u1ee3ng b\u1eadt tr\u1edf l\u1ea1i x\u1ea3y ra. Khi l\u1ef1c t\u00e1c d\u1ee5ng \u0111\u1ec3 u\u1ed1n m\u1ed9t t\u1ea5m kim lo\u1ea1i, n\u00f3 s\u1ebd tr\u1ea3i qua bi\u1ebfn d\u1ea1ng \u0111\u00e0n h\u1ed3i v\u00e0 d\u1ebbo. Bi\u1ebfn d\u1ea1ng d\u1ebbo l\u00e0 v\u0129nh vi\u1ec5n, trong khi bi\u1ebfn d\u1ea1ng \u0111\u00e0n h\u1ed3i l\u00e0 t\u1ea1m th\u1eddi v\u00e0 s\u1ebd ph\u1ee5c h\u1ed3i khi l\u1ef1c b\u00ean ngo\u00e0i b\u1ecb lo\u1ea1i b\u1ecf. S\u1ef1 ph\u1ee5c h\u1ed3i c\u1ee7a bi\u1ebfn d\u1ea1ng \u0111\u00e0n h\u1ed3i n\u00e0y khi\u1ebfn t\u1ea5m kim lo\u1ea1i tr\u1edf l\u1ea1i v\u1ecb tr\u00ed ban \u0111\u1ea7u m\u1ed9t ph\u1ea7n, d\u1eabn \u0111\u1ebfn hi\u1ec7n t\u01b0\u1ee3ng b\u1eadt tr\u1edf l\u1ea1i.<\/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\">Nguy\u00ean l\u00fd v\u1eadt l\u00fd<\/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>Nguy\u00ean l\u00fd \u0111\u1eb1ng sau s\u1ef1 \u0111\u00e0n h\u1ed3i n\u1eb1m \u1edf \u1ee9ng su\u1ea5t b\u00ean trong \u0111\u01b0\u1ee3c t\u1ea1o ra trong qu\u00e1 tr\u00ecnh u\u1ed1n. Khi t\u1ea5m b\u1ecb u\u1ed1n, b\u1ec1 m\u1eb7t ngo\u00e0i c\u1ee7a ch\u1ed7 u\u1ed1n b\u1ecb k\u00e9o c\u0103ng (\u1ee9ng su\u1ea5t k\u00e9o), trong khi b\u1ec1 m\u1eb7t b\u00ean trong b\u1ecb n\u00e9n (\u1ee9ng su\u1ea5t n\u00e9n). Khi l\u1ef1c u\u1ed1n b\u1ecb lo\u1ea1i b\u1ecf, th\u00e0nh ph\u1ea7n \u0111\u00e0n h\u1ed3i c\u1ee7a c\u00e1c \u1ee9ng su\u1ea5t n\u00e0y c\u1ed1 g\u1eafng \u0111\u01b0a v\u1eadt li\u1ec7u tr\u1edf l\u1ea1i tr\u1ea1ng th\u00e1i kh\u00f4ng b\u1ecb bi\u1ebfn d\u1ea1ng. M\u1ee9c \u0111\u1ed9 \u0111\u00e0n h\u1ed3i ph\u1ee5 thu\u1ed9c v\u00e0o s\u1ef1 c\u00e2n b\u1eb1ng gi\u1eefa bi\u1ebfn d\u1ea1ng \u0111\u00e0n h\u1ed3i v\u00e0 bi\u1ebfn d\u1ea1ng d\u1ebbo b\u00ean trong v\u1eadt li\u1ec7u.<\/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\">C\u00e1c y\u1ebfu t\u1ed1 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn s\u1ef1 ph\u1ee5c h\u1ed3i<\/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>M\u1ed9t s\u1ed1 y\u1ebfu t\u1ed1 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn l\u01b0\u1ee3ng l\u1ef1c b\u1eadt l\u1ea1i x\u1ea3y ra trong <a href=\"https:\/\/www.shen-chong.com\/vi\/comprehensive-introduction-sheet-metal-bending\/\" target=\"_blank\" rel=\"noopener\"><span style=\"color: #3366ff;\">u\u1ed1n t\u1ea5m kim lo\u1ea1i<\/span><\/a>. Hi\u1ec3u \u0111\u01b0\u1ee3c c\u00e1c y\u1ebfu t\u1ed1 n\u00e0y c\u00f3 th\u1ec3 gi\u00fap d\u1ef1 \u0111o\u00e1n v\u00e0 ki\u1ec3m so\u00e1t \u0111\u1ed9 b\u1eadt l\u1ea1i trong qu\u00e1 tr\u00ecnh thi\u1ebft k\u1ebf v\u00e0 s\u1ea3n xu\u1ea5t.<\/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. T\u00ednh ch\u1ea5t v\u1eadt li\u1ec7u<\/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>S\u1ee9c ch\u1ecbu l\u1ef1c<\/strong>: Kim lo\u1ea1i c\u00f3 \u0111\u1ed9 b\u1ec1n k\u00e9o cao h\u01a1n d\u1ec5 b\u1ecb b\u1eadt l\u1ea1i h\u01a1n v\u00ec ch\u00fang ch\u1ed1ng l\u1ea1i bi\u1ebfn d\u1ea1ng v\u0129nh vi\u1ec5n v\u00e0 c\u00f3 xu h\u01b0\u1edbng tr\u1edf l\u1ea1i h\u00ecnh d\u1ea1ng ban \u0111\u1ea7u nhi\u1ec1u h\u01a1n. Th\u00e9p c\u01b0\u1eddng \u0111\u1ed9 cao v\u00e0 h\u1ee3p kim nh\u00f4m th\u01b0\u1eddng c\u00f3 \u0111\u1ed9 b\u1eadt l\u1ea1i \u0111\u00e1ng k\u1ec3 h\u01a1n so v\u1edbi th\u00e9p cacbon th\u1ea5p.<\/li><li><strong>M\u00f4 \u0111un \u0111\u00e0n h\u1ed3i<\/strong>: M\u00f4 \u0111un \u0111\u00e0n h\u1ed3i ho\u1eb7c \u0111\u1ed9 c\u1ee9ng c\u1ee7a v\u1eadt li\u1ec7u x\u00e1c \u0111\u1ecbnh kh\u1ea3 n\u0103ng tr\u1edf l\u1ea1i h\u00ecnh d\u1ea1ng ban \u0111\u1ea7u sau khi b\u1ecb bi\u1ebfn d\u1ea1ng. Kim lo\u1ea1i c\u00f3 m\u00f4 \u0111un \u0111\u00e0n h\u1ed3i cao h\u01a1n, ch\u1eb3ng h\u1ea1n nh\u01b0 th\u00e9p, c\u00f3 \u0111\u1ed9 \u0111\u00e0n h\u1ed3i cao h\u01a1n so v\u1edbi c\u00e1c v\u1eadt li\u1ec7u m\u1ec1m h\u01a1n nh\u01b0 nh\u00f4m ho\u1eb7c \u0111\u1ed3ng.<\/li><\/ul><p>K\u00edch th\u01b0\u1edbc c\u1ee7a g\u00f3c \u0111\u00e0n h\u1ed3i t\u1ef7 l\u1ec7 thu\u1eadn v\u1edbi gi\u1edbi h\u1ea1n ch\u1ea3y \u03b1a c\u1ee7a v\u1eadt li\u1ec7u v\u00e0 t\u1ef7 l\u1ec7 ngh\u1ecbch v\u1edbi m\u00f4 \u0111un \u0111\u00e0n h\u1ed3i (E). Ngh\u0129a l\u00e0, gi\u1edbi h\u1ea1n ch\u1ea3y c\u1ee7a v\u1eadt li\u1ec7u c\u00e0ng cao th\u00ec m\u00f4 \u0111un \u0111\u00e0n h\u1ed3i c\u00e0ng nh\u1ecf v\u00e0 \u0111\u1ed9 \u0111\u00e0n h\u1ed3i trong t\u1ea5m kim lo\u1ea1i c\u00e0ng nh\u1ecf. Ng\u01b0\u1ee3c l\u1ea1i, \u0111\u1ed9 \u0111\u00e0n h\u1ed3i c\u00e0ng l\u1edbn.<\/p><p>\u0110\u1ed1i v\u1edbi ph\u00f4i u\u1ed1n c\u00f3 y\u00eau c\u1ea7u \u0111\u1ed9 ch\u00ednh x\u00e1c cao, \u0111\u1ec3 gi\u1ea3m thi\u1ec3u \u0111\u1ed9 b\u1eadt tr\u1edf l\u1ea1i, n\u00ean ch\u1ecdn th\u00e9p cacbon th\u1ea5p thay v\u00ec c\u00e1c v\u1eadt li\u1ec7u nh\u01b0 th\u00e9p cacbon cao ho\u1eb7c th\u00e9p kh\u00f4ng g\u1ec9.<\/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. \u0110\u1ed9 d\u00e0y c\u1ee7a t\u1ea5m<\/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>C\u00e1c t\u1ea5m d\u00e0y h\u01a1n c\u00f3 xu h\u01b0\u1edbng \u00edt b\u1ecb b\u1eadt l\u1ea1i h\u01a1n c\u00e1c t\u1ea5m m\u1ecfng h\u01a1n. \u0110i\u1ec1u n\u00e0y l\u00e0 do c\u00e1c t\u1ea5m d\u00e0y h\u01a1n b\u1ecb bi\u1ebfn d\u1ea1ng d\u1ebbo nhi\u1ec1u h\u01a1n trong qu\u00e1 tr\u00ecnh u\u1ed1n cong, l\u00e0m gi\u1ea3m hi\u1ec7u \u1ee9ng ph\u1ee5c h\u1ed3i \u0111\u00e0n h\u1ed3i. Ng\u01b0\u1ee3c l\u1ea1i, c\u00e1c t\u1ea5m m\u1ecfng h\u01a1n linh ho\u1ea1t v\u00e0 \u0111\u00e0n h\u1ed3i h\u01a1n, d\u1eabn \u0111\u1ebfn hi\u1ec7n t\u01b0\u1ee3ng b\u1eadt l\u1ea1i r\u00f5 r\u1ec7t h\u01a1n.<\/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. B\u00e1n k\u00ednh u\u1ed1n cong<\/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>T\u1ef7 l\u1ec7 gi\u1eefa \u0111\u1ed9 d\u00e0y t\u1ea5m v\u00e0 b\u00e1n k\u00ednh u\u1ed1n cong \u1ea3nh h\u01b0\u1edfng \u0111\u00e1ng k\u1ec3 \u0111\u1ebfn \u0111\u1ed9 \u0111\u00e0n h\u1ed3i. Khi b\u00e1n k\u00ednh u\u1ed1n cong l\u1edbn so v\u1edbi \u0111\u1ed9 d\u00e0y t\u1ea5m, bi\u1ebfn d\u1ea1ng \u0111\u00e0n h\u1ed3i x\u1ea3y ra nhi\u1ec1u h\u01a1n, d\u1eabn \u0111\u1ebfn \u0111\u1ed9 \u0111\u00e0n h\u1ed3i l\u1edbn h\u01a1n. B\u00e1n k\u00ednh u\u1ed1n cong nh\u1ecf h\u01a1n d\u1eabn \u0111\u1ebfn bi\u1ebfn d\u1ea1ng d\u1ebbo nhi\u1ec1u h\u01a1n v\u00e0 gi\u1ea3m \u0111\u1ed9 \u0111\u00e0n h\u1ed3i.<\/p><p>\u0110\u00e2y l\u00e0 m\u1ed9t kh\u00e1i ni\u1ec7m quan tr\u1ecdng. Khi c\u00e1c \u0111\u1eb7c t\u00ednh v\u1eadt li\u1ec7u cho ph\u00e9p, fillet c\u1ee7a c\u00e1c b\u1ed9 ph\u1eadn u\u1ed1n cong b\u1eb1ng kim lo\u1ea1i t\u1ea5m n\u00ean ch\u1ecdn b\u00e1n k\u00ednh u\u1ed1n nh\u1ecf nh\u1ea5t c\u00f3 th\u1ec3 \u0111\u1ec3 c\u1ea3i thi\u1ec7n \u0111\u1ed9 ch\u00ednh x\u00e1c gia c\u00f4ng. \u0110i\u1ec1u \u0111\u00e1ng ch\u00fa \u00fd l\u00e0 c\u00e1c b\u1ed9 ph\u1eadn c\u00f3 b\u00e1n k\u00ednh u\u1ed1n l\u1edbn \u0111\u1eb7t ra m\u1ed9t s\u1ed1 th\u00e1ch th\u1ee9c nh\u1ea5t \u0111\u1ecbnh trong vi\u1ec7c ki\u1ec3m so\u00e1t \u0111\u1ed9 ch\u00ednh x\u00e1c v\u00e0 ch\u1ea5t l\u01b0\u1ee3ng gia c\u00f4ng.<\/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. G\u00f3c u\u1ed1n<\/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>G\u00f3c u\u1ed1n c\u00e0ng l\u1edbn th\u00ec hi\u1ec7u \u1ee9ng b\u1eadt tr\u1edf l\u1ea1i trong hi\u1ec7u \u1ee9ng u\u1ed1n t\u1ea5m kim lo\u1ea1i c\u00e0ng l\u1edbn. V\u00ed d\u1ee5, khi u\u1ed1n t\u1ea5m kim lo\u1ea1i \u1edf g\u00f3c l\u1edbn (ch\u1eb3ng h\u1ea1n nh\u01b0 90 \u0111\u1ed9 tr\u1edf l\u00ean), v\u1eadt li\u1ec7u s\u1ebd ch\u1ecbu nhi\u1ec1u \u1ee9ng su\u1ea5t h\u01a1n, l\u00e0m t\u0103ng kh\u1ea3 n\u0103ng b\u1eadt tr\u1edf l\u1ea1i sau khi l\u1ef1c u\u1ed1n b\u1ecb lo\u1ea1i b\u1ecf.<\/p><p>Ng\u01b0\u1ee3c l\u1ea1i, g\u00f3c t\u00e2m u\u1ed1n nh\u1ecf h\u01a1n c\u00f3 ngh\u0129a l\u00e0 di\u1ec7n t\u00edch bi\u1ebfn d\u1ea1ng nh\u1ecf h\u01a1n, d\u1eabn \u0111\u1ebfn l\u01b0\u1ee3ng bi\u1ebfn d\u1ea1ng \u0111\u00e0n h\u1ed3i t\u00edch l\u0169y nh\u1ecf h\u01a1n v\u00e0 do \u0111\u00f3 t\u1ed5ng \u0111\u1ed9 \u0111\u00e0n h\u1ed3i khi u\u1ed1n t\u1ea5m kim lo\u1ea1i nh\u1ecf h\u01a1n.<\/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. Ph\u01b0\u01a1ng ph\u00e1p u\u1ed1n<\/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>C\u00e1c ph\u01b0\u01a1ng ph\u00e1p u\u1ed1n kh\u00e1c nhau, ch\u1eb3ng h\u1ea1n nh\u01b0 u\u1ed1n kh\u00ed v\u00e0 t\u1ea1o \u0111\u00e1y, \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn m\u1ee9c \u0111\u1ed9 \u0111\u00e0n h\u1ed3i tr\u1edf l\u1ea1i. Trong qu\u00e1 tr\u00ecnh u\u1ed1n kh\u00ed, t\u1ea5m ch\u1ec9 \u0111\u01b0\u1ee3c h\u1ed7 tr\u1ee3 m\u1ed9t ph\u1ea7n, d\u1eabn \u0111\u1ebfn ph\u1ee5c h\u1ed3i \u0111\u00e0n h\u1ed3i h\u01a1n, trong khi \u1edf qu\u00e1 tr\u00ecnh t\u1ea1o \u0111\u00e1y (t\u1ea5m \u0111\u01b0\u1ee3c \u00e9p ho\u00e0n to\u00e0n v\u00e0o khu\u00f4n), kim lo\u1ea1i b\u1ecb h\u1ea1n ch\u1ebf ch\u1eb7t h\u01a1n, l\u00e0m gi\u1ea3m \u0111\u1ed9 \u0111\u00e0n h\u1ed3i tr\u1edf l\u1ea1i.<\/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. \u1ea2nh h\u01b0\u1edfng c\u1ee7a l\u1ef1c u\u1ed1n 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>V\u1edbi b\u00e1n k\u00ednh u\u1ed1n, g\u00f3c t\u00e2m v\u00e0 \u0111\u1ed9 d\u00e0y v\u1eadt li\u1ec7u nh\u1ea5t \u0111\u1ecbnh, l\u1ef1c u\u1ed1n F l\u1edbn h\u01a1n s\u1ebd t\u1ea1o ra \u0111\u1ed9 \u0111\u00e0n h\u1ed3i nh\u1ecf h\u01a1n, trong khi l\u1ef1c u\u1ed1n nh\u1ecf h\u01a1n s\u1ebd t\u1ea1o ra \u0111\u1ed9 \u0111\u00e0n h\u1ed3i l\u1edbn h\u01a1n khi u\u1ed1n t\u1ea5m kim lo\u1ea1i.<\/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\">T\u00ednh to\u00e1n van Springback trong u\u1ed1n t\u1ea5m kim lo\u1ea1i<\/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>T\u00ednh to\u00e1n \u0111\u1ed9 \u0111\u00e0n h\u1ed3i trong u\u1ed1n t\u1ea5m kim lo\u1ea1i li\u00ean quan \u0111\u1ebfn vi\u1ec7c x\u00e1c \u0111\u1ecbnh s\u1ef1 kh\u00e1c bi\u1ec7t gi\u1eefa g\u00f3c u\u1ed1n ban \u0111\u1ea7u v\u00e0 g\u00f3c sau khi v\u1eadt li\u1ec7u ph\u1ee5c h\u1ed3i m\u1ed9t ph\u1ea7n h\u00ecnh d\u1ea1ng ban \u0111\u1ea7u do ph\u1ee5c h\u1ed3i \u0111\u00e0n h\u1ed3i. Sau \u0111\u00e2y l\u00e0 quy tr\u00ecnh t\u1eebng b\u01b0\u1edbc \u0111\u1ec3 \u01b0\u1edbc t\u00ednh v\u00e0 t\u00ednh to\u00e1n \u0111\u1ed9 \u0111\u00e0n h\u1ed3i.<\/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\">C\u00e1c th\u00f4ng s\u1ed1 ch\u00ednh<\/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>L\u01b0\u1ee3ng \u0111\u00e0n h\u1ed3i ph\u1ee5 thu\u1ed9c v\u00e0o nhi\u1ec1u y\u1ebfu t\u1ed1 nh\u01b0 t\u00ednh ch\u1ea5t v\u1eadt li\u1ec7u, \u0111\u1ed9 d\u00e0y, b\u00e1n k\u00ednh u\u1ed1n cong v\u00e0 ph\u01b0\u01a1ng ph\u00e1p u\u1ed1n.<\/p><ul><li><strong>M\u00f4 \u0111un Young (E):<\/strong>\u0110\u00e2y l\u00e0 m\u00f4 \u0111un \u0111\u00e0n h\u1ed3i c\u1ee7a v\u1eadt li\u1ec7u, d\u00f9ng \u0111\u1ec3 \u0111o \u0111\u1ed9 c\u1ee9ng c\u1ee7a v\u1eadt li\u1ec7u.<\/li><li><strong>Gi\u1edbi h\u1ea1n ch\u1ea3y (\u03c3_y):<\/strong>\u0110\u00e2y l\u00e0 \u1ee9ng su\u1ea5t m\u00e0 v\u1eadt li\u1ec7u b\u1eaft \u0111\u1ea7u bi\u1ebfn d\u1ea1ng d\u1ebbo.<\/li><li><strong>B\u00e1n k\u00ednh u\u1ed1n cong ban \u0111\u1ea7u (R_b):<\/strong>B\u00e1n k\u00ednh c\u1ee7a ph\u1ea7n u\u1ed1n cong \u0111\u01b0\u1ee3c t\u1ea1o th\u00e0nh b\u1edfi c\u00fa \u0111\u1ea5m tr\u01b0\u1edbc khi b\u1eadt tr\u1edf l\u1ea1i.<\/li><li><strong>\u0110\u1ed9 d\u00e0y t\u1ea5m (t):<\/strong>\u0110\u1ed9 d\u00e0y c\u1ee7a t\u1ea5m kim lo\u1ea1i.<\/li><li><strong>G\u00f3c u\u1ed1n cu\u1ed1i c\u00f9ng (\u03b8):<\/strong>G\u00f3c sau khi b\u1eadt tr\u1edf l\u1ea1i.<\/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\">H\u1ec7 s\u1ed1 \u0111\u00e0n h\u1ed3i (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>M\u1ed9t trong nh\u1eefng c\u00e1ch \u0111\u01a1n gi\u1ea3n nh\u1ea5t \u0111\u1ec3 t\u00ednh to\u00e1n \u0111\u1ed9 b\u1eadt l\u1ea1i l\u00e0 s\u1eed d\u1ee5ng h\u1ec7 s\u1ed1 \u0111\u1ed9 b\u1eadt l\u1ea1i <strong>Ks<\/strong>, l\u00e0 t\u1ef7 l\u1ec7 gi\u1eefa g\u00f3c u\u1ed1n cu\u1ed1i c\u00f9ng sau khi b\u1eadt l\u1ea1i v\u1edbi g\u00f3c u\u1ed1n ban \u0111\u1ea7u tr\u01b0\u1edbc khi b\u1eadt l\u1ea1i. C\u00f3 th\u1ec3 \u01b0\u1edbc t\u00ednh b\u1eb1ng ph\u01b0\u01a1ng tr\u00ecnh sau:<\/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=\"h\u1ec7 s\u1ed1 \u0111\u00e0n h\u1ed3i\" 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\">T\u00ednh to\u00e1n g\u00f3c Springback<\/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>G\u00f3c h\u1ed3i ph\u1ee5c c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c t\u00ednh b\u1eb1ng c\u00e1ch nh\u00e2n g\u00f3c u\u1ed1n ban \u0111\u1ea7u v\u1edbi h\u1ec7 s\u1ed1 h\u1ed3i ph\u1ee5c:<\/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=\"t\u00ednh to\u00e1n g\u00f3c l\u00f2 xo\" 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\">\u01af\u1edbc t\u00ednh Springback d\u1ef1a tr\u00ean t\u00ednh ch\u1ea5t v\u1eadt li\u1ec7u<\/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>\u0110\u1ec3 c\u00f3 c\u00e1ch ti\u1ebfp c\u1eadn chi ti\u1ebft h\u01a1n, \u0111\u1eb7c bi\u1ec7t khi s\u1eed d\u1ee5ng v\u1eadt li\u1ec7u c\u00f3 \u0111\u1ed9 b\u1ec1n cao, \u0111\u1ed9 \u0111\u00e0n h\u1ed3i c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c t\u00ednh b\u1eb1ng c\u00f4ng th\u1ee9c sau:<\/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=\"s\u1ef1 ph\u1ee5c h\u1ed3i theo \u0111\u1ed9\" 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\">V\u00ed d\u1ee5 t\u00ednh to\u00e1n<\/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>Gi\u1ea3 s\u1eed b\u1ea1n c\u00f3 d\u1eef li\u1ec7u sau:<\/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=\"v\u00ed d\u1ee5 t\u00ednh to\u00e1n \u0111\u1ed9 n\u1ea3y tr\u1edf l\u1ea1i\" 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>Do \u0111\u00f3, sau khi h\u1ed3i ph\u1ee5c, g\u00f3c u\u1ed1n s\u1ebd x\u1ea5p x\u1ec9 89,2\u221889,2^\\circ89,2\u2218, cho th\u1ea5y m\u1ed9t l\u01b0\u1ee3ng ph\u1ee5c h\u1ed3i nh\u1ecf. \u0110i\u1ec1u ch\u1ec9nh g\u00f3c u\u1ed1n trong qu\u00e1 tr\u00ecnh n\u00e0y s\u1ebd b\u00f9 \u0111\u1eafp cho \u0111i\u1ec1u n\u00e0y.<\/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\">Gi\u1ea3i ph\u00e1p gi\u1ea3m thi\u1ec3u hi\u1ec7n t\u01b0\u1ee3ng b\u1eadt ng\u01b0\u1ee3c<\/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>M\u1eb7c d\u00f9 kh\u00f4ng th\u1ec3 lo\u1ea1i b\u1ecf ho\u00e0n to\u00e0n hi\u1ec7n t\u01b0\u1ee3ng b\u1eadt ng\u01b0\u1ee3c khi u\u1ed1n t\u1ea5m kim lo\u1ea1i, nh\u01b0ng c\u00f3 th\u1ec3 \u00e1p d\u1ee5ng nhi\u1ec1u chi\u1ebfn l\u01b0\u1ee3c kh\u00e1c nhau \u0111\u1ec3 ki\u1ec3m so\u00e1t v\u00e0 gi\u1ea3m thi\u1ec3u t\u00e1c \u0111\u1ed9ng c\u1ee7a hi\u1ec7n t\u01b0\u1ee3ng n\u00e0y trong qu\u00e1 tr\u00ecnh u\u1ed1n.<\/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\">\u1ee8ng d\u1ee5ng v\u00e0 t\u1ea7m quan tr\u1ecdng c\u1ee7a vi\u1ec7c ki\u1ec3m so\u00e1t Springback<\/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>Ki\u1ec3m so\u00e1t \u0111\u1ed9 \u0111\u00e0n h\u1ed3i ng\u01b0\u1ee3c l\u00e0 \u0111i\u1ec1u c\u1ea7n thi\u1ebft trong c\u00e1c ng\u00e0nh c\u00f4ng nghi\u1ec7p \u0111\u00f2i h\u1ecfi \u0111\u1ed9 ch\u00ednh x\u00e1c cao, ch\u1eb3ng h\u1ea1n nh\u01b0 \u00f4 t\u00f4 v\u00e0 h\u00e0ng kh\u00f4ng v\u0169 tr\u1ee5. C\u00e1c th\u00e0nh ph\u1ea7n nh\u01b0 t\u1ea5m th\u00e2n xe, v\u1ecf m\u00e1y bay v\u00e0 khung k\u1ebft c\u1ea5u ph\u1ea3i tu\u00e2n th\u1ee7 c\u00e1c dung sai ch\u1eb7t ch\u1ebd. \u0110\u1ed9 \u0111\u00e0n h\u1ed3i ng\u01b0\u1ee3c qu\u00e1 m\u1ee9c c\u00f3 th\u1ec3 d\u1eabn \u0111\u1ebfn vi\u1ec7c ph\u1ea3i l\u00e0m l\u1ea1i t\u1ed1n k\u00e9m, l\u00e3ng ph\u00ed v\u1eadt li\u1ec7u ho\u1eb7c th\u1eadm ch\u00ed l\u00e0m gi\u1ea3m t\u00ednh to\u00e0n v\u1eb9n c\u1ee7a k\u1ebft c\u1ea5u.<\/p><p>Trong s\u1ea3n xu\u1ea5t h\u00e0ng lo\u1ea1t, vi\u1ec7c gi\u1ea3m thi\u1ec3u \u0111\u1ed9 \u0111\u00e0n h\u1ed3i gi\u00fap duy tr\u00ec ch\u1ea5t l\u01b0\u1ee3ng \u0111\u1ed3ng \u0111\u1ec1u tr\u00ean c\u00e1c l\u00f4 h\u00e0ng l\u1edbn, gi\u1ea3m chi ph\u00ed v\u1eadt li\u1ec7u v\u00e0 c\u1ea3i thi\u1ec7n hi\u1ec7u qu\u1ea3. Ki\u1ec3m so\u00e1t ch\u00ednh x\u00e1c \u0111\u1ed9 \u0111\u00e0n h\u1ed3i c\u0169ng cho ph\u00e9p c\u00e1c nh\u00e0 s\u1ea3n xu\u1ea5t s\u1eed d\u1ee5ng v\u1eadt li\u1ec7u c\u00f3 \u0111\u1ed9 b\u1ec1n cao m\u00e0 kh\u00f4ng \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn ch\u1ea5t l\u01b0\u1ee3ng s\u1ea3n ph\u1ea9m.<\/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\">C\u1ea3i thi\u1ec7n thi\u1ebft k\u1ebf c\u00e1c b\u1ed9 ph\u1eadn cong<\/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>C\u1ea3i thi\u1ec7n thi\u1ebft k\u1ebf k\u1ebft c\u1ea5u c\u1ee7a b\u1ed9 ph\u1eadn u\u1ed1n c\u00f3 th\u1ec3 l\u00e0m gi\u1ea3m g\u00f3c b\u1eadt l\u1ea1i m\u00e0 kh\u00f4ng \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn ch\u1ee9c n\u0103ng c\u1ee7a ch\u00fang. V\u00ed d\u1ee5, vi\u1ec7c ng\u0103n ch\u1eb7n c\u00e1c g\u00e2n gia c\u1ed1 \u1edf v\u00f9ng cong ho\u1eb7c s\u1eed d\u1ee5ng c\u00e1c c\u1ea1nh \u0111\u00e3 t\u1ea1o h\u00ecnh c\u00f3 th\u1ec3 l\u00e0m t\u0103ng \u0111\u1ed9 c\u1ee9ng v\u00e0 bi\u1ebfn d\u1ea1ng d\u1ebbo c\u1ee7a b\u1ed9 ph\u1eadn cong, do \u0111\u00f3 l\u00e0m gi\u1ea3m \u0111\u1ed9 b\u1eadt l\u1ea1i.<\/li><li>S\u1eed d\u1ee5ng v\u1eadt li\u1ec7u c\u00f3 m\u00f4 \u0111un \u0111\u00e0n h\u1ed3i cao, gi\u1edbi h\u1ea1n ch\u1ea3y th\u1ea5p, \u0111\u1ed9 c\u1ee9ng th\u1ea5p v\u00e0 \u0111\u1ed9 d\u1ebbo t\u1ed1t c\u00f3 th\u1ec3 gi\u1ea3m \u0111\u1ed9 n\u1ea3y v\u00e0 t\u1ea1o \u0111i\u1ec1u ki\u1ec7n ki\u1ec3m so\u00e1t \u0111\u1ed9 n\u1ea3y \u0111\u1ed3ng th\u1eddi \u0111\u00e1p \u1ee9ng c\u00e1c y\u00eau c\u1ea7u s\u1eed d\u1ee5ng.<\/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\">C\u1ea3i thi\u1ec7n c\u00e1c bi\u1ec7n ph\u00e1p quy tr\u00ecnh<\/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. U\u1ed1n cong qu\u00e1 m\u1ee9c<\/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>U\u1ed1n cong qu\u00e1 m\u1ee9c li\u00ean quan \u0111\u1ebfn vi\u1ec7c u\u1ed1n cong t\u1ea5m kim lo\u1ea1i h\u01a1i v\u01b0\u1ee3t qu\u00e1 g\u00f3c mong mu\u1ed1n \u0111\u1ec3 b\u00f9 cho \u0111\u1ed9 \u0111\u00e0n h\u1ed3i. K\u1ef9 thu\u1eadt n\u00e0y \u0111\u00f2i h\u1ecfi kinh nghi\u1ec7m v\u00e0 t\u00ednh to\u00e1n ch\u00ednh x\u00e1c \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh l\u01b0\u1ee3ng u\u1ed1n cong qu\u00e1 m\u1ee9c c\u1ea7n thi\u1ebft cho c\u00e1c v\u1eadt li\u1ec7u v\u00e0 \u0111\u1ed9 d\u00e0y kh\u00e1c nhau.<\/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. \u0110i\u1ec1u ch\u1ec9nh l\u1ef1c u\u1ed1n<\/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>T\u0103ng l\u1ef1c u\u1ed1n ho\u1eb7c \u00e1p d\u1ee5ng thao t\u00e1c u\u1ed1n th\u1ee9 c\u1ea5p c\u00f3 th\u1ec3 gi\u00fap t\u0103ng bi\u1ebfn d\u1ea1ng d\u1ebbo trong v\u1eadt li\u1ec7u. \u0110i\u1ec1u n\u00e0y l\u00e0m gi\u1ea3m kh\u1ea3 n\u0103ng ph\u1ee5c h\u1ed3i \u0111\u00e0n h\u1ed3i v\u00e0 gi\u1ea3m thi\u1ec3u \u0111\u1ed9 b\u1eadt tr\u1edf l\u1ea1i. K\u1ef9 thu\u1eadt n\u00e0y \u0111\u1eb7c bi\u1ec7t hi\u1ec7u qu\u1ea3 trong vi\u1ec7c gi\u1ea3m \u0111\u1ed9 b\u1eadt tr\u1edf l\u1ea1i \u0111\u1ed1i v\u1edbi v\u1eadt li\u1ec7u c\u00f3 \u0111\u1ed9 b\u1ec1n cao.<\/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. S\u1eed d\u1ee5ng b\u00e1n k\u00ednh u\u1ed1n cong nh\u1ecf h\u01a1n<\/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>B\u1eb1ng c\u00e1ch thi\u1ebft k\u1ebf b\u00e1n k\u00ednh u\u1ed1n cong nh\u1ecf h\u01a1n, v\u1eadt li\u1ec7u s\u1ebd b\u1ecb bi\u1ebfn d\u1ea1ng d\u1ebbo nhi\u1ec1u h\u01a1n, l\u00e0m gi\u1ea3m kh\u1ea3 n\u0103ng ph\u1ee5c h\u1ed3i \u0111\u00e0n h\u1ed3i ch\u1ecbu tr\u00e1ch nhi\u1ec7m cho s\u1ef1 b\u1eadt l\u1ea1i. Tuy nhi\u00ean, ph\u1ea3i c\u1ea9n th\u1eadn \u0111\u1ec3 tr\u00e1nh t\u1ea1o ra b\u00e1n k\u00ednh qu\u00e1 nh\u1ecf, c\u00f3 th\u1ec3 d\u1eabn \u0111\u1ebfn n\u1ee9t ho\u1eb7c h\u01b0 h\u1ecfng v\u1eadt li\u1ec7u.<\/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. L\u1ef1a ch\u1ecdn v\u00e0 x\u1eed l\u00fd v\u1eadt li\u1ec7u<\/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>Vi\u1ec7c l\u1ef1a ch\u1ecdn v\u1eadt li\u1ec7u c\u00f3 \u0111\u1ed9 b\u1ec1n k\u00e9o th\u1ea5p h\u01a1n ho\u1eb7c s\u1eed d\u1ee5ng ph\u01b0\u01a1ng ph\u00e1p x\u1eed l\u00fd nhi\u1ec7t \u0111\u1ec3 gi\u1ea3m \u0111\u1ed9 c\u1ee9ng c\u1ee7a v\u1eadt li\u1ec7u c\u00f3 th\u1ec3 l\u00e0m gi\u1ea3m \u0111\u1ed9 \u0111\u00e0n h\u1ed3i. V\u00ed d\u1ee5, \u1ee7 c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 l\u00e0m m\u1ec1m kim lo\u1ea1i, khi\u1ebfn ch\u00fang d\u1ebbo h\u01a1n v\u00e0 \u00edt b\u1ecb \u0111\u00e0n h\u1ed3i h\u01a1n.<\/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. M\u00f4 ph\u1ecfng Ph\u00e2n t\u00edch ph\u1ea7n t\u1eed h\u1eefu h\u1ea1n (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>C\u00e1c c\u00f4ng c\u1ee5 ph\u1ea7n m\u1ec1m hi\u1ec7n \u0111\u1ea1i, ch\u1eb3ng h\u1ea1n nh\u01b0 Ph\u00e2n t\u00edch ph\u1ea7n t\u1eed h\u1eefu h\u1ea1n (FEA), cho ph\u00e9p c\u00e1c nh\u00e0 s\u1ea3n xu\u1ea5t m\u00f4 ph\u1ecfng qu\u00e1 tr\u00ecnh u\u1ed1n v\u00e0 d\u1ef1 \u0111o\u00e1n m\u1ee9c \u0111\u1ed9 \u0111\u00e0n h\u1ed3i tr\u01b0\u1edbc khi u\u1ed1n v\u1eadt l\u00fd t\u1ea5m. C\u00e1c m\u00f4 ph\u1ecfng n\u00e0y gi\u00fap c\u00e1c k\u1ef9 s\u01b0 \u0111i\u1ec1u ch\u1ec9nh c\u00e1c th\u00f4ng s\u1ed1 u\u1ed1n \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o k\u1ebft qu\u1ea3 ch\u00ednh x\u00e1c, gi\u1ea3m thi\u1ec3u th\u1eed nghi\u1ec7m v\u00e0 sai s\u00f3t trong giai \u0111o\u1ea1n s\u1ea3n xu\u1ea5t.<\/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\">\u0110i\u1ec1u ch\u1ec9nh kho\u1ea3ng h\u1edf khu\u00f4n u\u1ed1n<\/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>Gi\u1ea3m kho\u1ea3ng c\u00e1ch gi\u1eefa c\u00e1c khu\u00f4n gi\u00fap gi\u1ea3m thi\u1ec3u hi\u1ec7n t\u01b0\u1ee3ng b\u1eadt ng\u01b0\u1ee3c. Khi kho\u1ea3ng c\u00e1ch gi\u1eefa c\u00e1c b\u1ec1 m\u1eb7t khu\u00f4n cong nh\u1ecf h\u01a1n \u0111\u1ed9 d\u00e0y v\u1eadt li\u1ec7u, \u0111\u1ed9 n\u1ea3y c\u00f3 th\u1ec3 gi\u1ea3m \u0111\u00e1ng k\u1ec3, th\u1eadm ch\u00ed d\u1eabn \u0111\u1ebfn \u0111\u1ed9 n\u1ea3y \u00e2m nh\u1eb9. Kho\u1ea3ng c\u00e1ch qu\u00e1 nh\u1ecf c\u00f3 th\u1ec3 d\u1eabn \u0111\u1ebfn v\u1eadt li\u1ec7u m\u1ecfng \u0111i, b\u1ec1 m\u1eb7t ph\u00f4i b\u1ecb tr\u1ea7y x\u01b0\u1edbc v\u00e0 tu\u1ed5i th\u1ecd khu\u00f4n b\u1ecb r\u00fat ng\u1eafn. Khi \u0111\u1ed9 d\u00e0y c\u1ee7a t\u1ea5m l\u1ec7ch \u00e2m, kho\u1ea3ng c\u00e1ch qu\u00e1 l\u1edbn h\u00ecnh th\u00e0nh gi\u1eefa \u0111\u1ea7u \u0111\u1ee5c v\u00e0 khu\u00f4n c\u0169ng c\u00f3 th\u1ec3 g\u00e2y ra hi\u1ec7n t\u01b0\u1ee3ng b\u1eadt ng\u01b0\u1ee3c. Gi\u1ea3i ph\u00e1p l\u00e0 thi\u1ebft k\u1ebf khu\u00f4n u\u1ed1n c\u00f3 kho\u1ea3ng c\u00e1ch c\u00f3 th\u1ec3 \u0111i\u1ec1u ch\u1ec9nh.<\/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\">C\u1ea3i thi\u1ec7n thi\u1ebft k\u1ebf khu\u00f4n u\u1ed1n<\/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>D\u1ef1a tr\u00ean c\u00e1c gi\u00e1 tr\u1ecb ph\u1ee5c h\u1ed3i \u01b0\u1edbc t\u00ednh ho\u1eb7c th\u1eed nghi\u1ec7m, ch\u00fang ta c\u00f3 th\u1ec3 b\u00f9 tr\u1eeb (ho\u1eb7c kh\u1ea5u tr\u1eeb) trong ph\u1ea1m vi h\u00ecnh d\u1ea1ng v\u00e0 k\u00edch th\u01b0\u1edbc c\u1ee7a c\u00e1c b\u1ed9 ph\u1eadn l\u00e0m vi\u1ec7c trong khu\u00f4n \u0111\u1ec3 l\u00e0m cho c\u00e1c b\u1ed9 ph\u1eadn u\u1ed1n cong \u0111\u00e1p \u1ee9ng c\u00e1c y\u00eau c\u1ea7u v\u1ec1 h\u00ecnh d\u1ea1ng v\u00e0 k\u00edch th\u01b0\u1edbc c\u1ee7a b\u1ea3n v\u1ebd s\u1ea3n ph\u1ea9m.<\/p><p>1) G\u00f3c ph\u1ee5c h\u1ed3i u\u1ed1n cong c\u1ee7a v\u1eadt li\u1ec7u m\u1ec1m nh\u01b0 \u0111\u1ed3ng thau m\u1ec1m 0215, 0235, 08, 10, 20 v\u00e0 H2 nh\u1ecf h\u01a1n 5 \u00b0. Khi \u0111\u1ed9 l\u1ec7ch \u0111\u1ed9 d\u00e0y c\u1ee7a v\u1eadt li\u1ec7u nh\u1ecf, c\u00f3 th\u1ec3 thi\u1ebft k\u1ebf \u0111\u1ed9 d\u1ed1c (g\u00f3c b\u00f9 ph\u1ee5c h\u1ed3i) tr\u00ean \u0111\u1ea7u \u0111\u1ed9t ho\u1eb7c khu\u00f4n. Kho\u1ea3ng c\u00e1ch gi\u1eefa \u0111\u1ea7u \u0111\u1ed9t v\u00e0 khu\u00f4n b\u1eb1ng v\u1edbi \u0111\u1ed9 d\u00e0y v\u1eadt li\u1ec7u t\u1ed1i thi\u1ec3u v\u00e0 th\u1eadm ch\u00ed c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng kho\u1ea3ng c\u00e1ch \u00e2m \u0111\u1ec3 kh\u1eafc ph\u1ee5c \u0111\u1ed9 ph\u1ee5c h\u1ed3i.<\/p><p>2) \u0110\u1ed1i v\u1edbi v\u1eadt li\u1ec7u m\u1ec1m nh\u01b0 \u0111\u1ed3ng thau m\u1ec1m Q215, Q235, 08, 10, 20 v\u00e0 H62, khi \u0111\u1ed9 d\u00e0y v\u1eadt li\u1ec7u v\u01b0\u1ee3t qu\u00e1 0,8mm v\u00e0 b\u00e1n k\u00ednh u\u1ed1n l\u1edbn, b\u1ed9 ph\u1eadn l\u00e0m vi\u1ec7c c\u1ee7a \u0111\u1ea7u \u0111\u1ed9t c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf v\u1edbi c\u00e1c ph\u1ea7n nh\u00f4 c\u1ee5c b\u1ed9. \u0110i\u1ec1u n\u00e0y t\u1eadp trung \u00e1p su\u1ea5t l\u00e0m vi\u1ec7c c\u1ee7a \u0111\u1ea7u \u0111\u1ed9t t\u1ea1i c\u00e1c g\u00f3c cong.<\/p><p>B\u1eb1ng c\u00e1ch t\u0103ng \u1ee9ng su\u1ea5t t\u1ea1i ch\u1ed7 u\u1ed1n, ch\u00fang t\u00f4i \u0111\u00e3 t\u0103ng c\u01b0\u1eddng th\u00e0nh ph\u1ea7n bi\u1ebfn d\u1ea1ng d\u1ebbo trong v\u00f9ng bi\u1ebfn d\u1ea1ng, c\u1ea3i thi\u1ec7n s\u1ef1 ph\u00e2n b\u1ed5 \u1ee9ng su\u1ea5t, do \u0111\u00f3 l\u00e0m gi\u1ea3m bi\u1ebfn d\u1ea1ng \u0111\u00e0n h\u1ed3i v\u00e0 gi\u1ea3m thi\u1ec3u s\u1ef1 ph\u1ee5c h\u1ed3i \u1edf m\u1ee9c \u0111\u1ed9 l\u1edbn nh\u1ea5t c\u00f3 th\u1ec3.<\/p><p>3) \u0110\u1ed1i v\u1edbi v\u1eadt li\u1ec7u c\u1ee9ng nh\u01b0 Q275, 45, 50, H62, khi b\u00e1n k\u00ednh u\u1ed1n r&gt;t, c\u00f3 th\u1ec3 thi\u1ebft k\u1ebf g\u00f3c b\u00f9 n\u1ea3y tr\u00ean khu\u00f4n ho\u1eb7c ch\u00e0y d\u1ef1a tr\u00ean gi\u00e1 tr\u1ecb n\u1ea3y \u01b0\u1edbc t\u00ednh tr\u01b0\u1edbc ho\u1eb7c thu \u0111\u01b0\u1ee3c b\u1eb1ng th\u1ef1c nghi\u1ec7m \u0111\u1ec3 lo\u1ea1i tr\u1eeb n\u1ea3y.<\/p><p>Ngo\u00e0i ra, ph\u1ea7n tr\u00ean c\u1ee7a khu\u00f4n c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf th\u00e0nh b\u1ec1 m\u1eb7t h\u00ecnh v\u00f2ng cung (\u0111\u1ec3 u\u1ed1n cong h\u00ecnh ch\u1eef U), d\u1eabn \u0111\u1ebfn u\u1ed1n cong ng\u01b0\u1ee3c c\u1ee5c b\u1ed9 \u1edf ph\u00eda d\u01b0\u1edbi. Ngh\u0129a l\u00e0, khi b\u1ed9 ph\u1eadn \u0111\u01b0\u1ee3c l\u1ea5y ra kh\u1ecfi khu\u00f4n, s\u1ef1 ph\u1ee5c h\u1ed3i c\u1ee7a \u0111\u01b0\u1eddng cong ng\u01b0\u1ee3c s\u1ebd g\u00e2y ra s\u1ef1 ph\u1ee5c h\u1ed3i \u00e2m \u1edf c\u1ea3 hai b\u00ean, b\u00f9 \u0111\u1eafp cho s\u1ef1 ph\u1ee5c h\u1ed3i d\u01b0\u01a1ng c\u1ee7a c\u00e1c th\u00e0nh b\u00ean.<\/p><p>4) \u0110\u1ed1i v\u1edbi u\u1ed1n h\u00ecnh ch\u1eef Z, hai g\u00f3c u\u1ed1n c\u1ee7a u\u1ed1n h\u00ecnh ch\u1eef Z c\u00f3 th\u1ec3 c\u00f3 gi\u00e1 tr\u1ecb ph\u1ee5c h\u1ed3i kh\u00e1c nhau, c\u00f3 th\u1ec3 khi\u1ebfn b\u1ec1 m\u1eb7t tr\u00ean v\u00e0 d\u01b0\u1edbi c\u1ee7a c\u00e1c b\u1ed9 ph\u1eadn h\u00ecnh ch\u1eef Z kh\u00f4ng song song. \u0110\u1ec3 tr\u00e1nh hi\u1ec7n t\u01b0\u1ee3ng n\u00e0y, \u0111\u1ea7u \u0111\u1ed9t v\u00e0 khu\u00f4n ph\u1ea3i nghi\u00eang ra ngo\u00e0i m\u1ed9t g\u00f3c \u0394 \u03c6. \u0110\u1ed1i v\u1edbi t\u1ea5m c\u00e1n ngu\u1ed9i c\u00f3 \u0111\u1ed9 d\u00e0y nh\u1ecf h\u01a1n 1mm, g\u00f3c nghi\u00eang th\u01b0\u1eddng \u0111\u01b0\u1ee3c l\u1ea5y l\u00e0 2 \u00b0 ~ 3 \u00b0.<\/p><p>5) \u0110\u1ed1i v\u1edbi v\u1eadt li\u1ec7u m\u1ec1m h\u01a1n, c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng khu\u00f4n cao su thay cho khu\u00f4n c\u1ee9ng, nh\u01b0 th\u1ec3 hi\u1ec7n trong H\u00ecnh 1-10. Do cao su c\u00f3 th\u1ec3 truy\u1ec1n \u00e1p su\u1ea5t theo nhi\u1ec1u h\u01b0\u1edbng kh\u00e1c nhau gi\u1ed1ng nh\u01b0 ch\u1ea5t l\u1ecfng trong b\u00ecnh ch\u1ee9a c\u1ee9ng, n\u00ean qu\u00e1 tr\u00ecnh u\u1ed1n c\u00f3 nh\u1eefng thay \u0111\u1ed5i c\u00f3 l\u1ee3i so v\u1edbi vi\u1ec7c s\u1eed d\u1ee5ng khu\u00f4n c\u1ee9ng.<\/p><p>T\u1ea5m v\u00e1n \u0111\u01b0\u1ee3c h\u1ed7 tr\u1ee3 ho\u00e0n to\u00e0n tr\u00ean cao su, v\u1edbi l\u1ef1c h\u1ed7 tr\u1ee3 \u1edf gi\u1eefa m\u1ea1nh h\u01a1n \u1edf hai b\u00ean. Do \u0111\u00f3, khi hai th\u00e0nh th\u1eb3ng c\u1ee7a t\u1ea5m v\u00e1n u\u1ed1n cong quanh c\u00e1c g\u00f3c tr\u00f2n c\u1ee7a c\u00fa \u0111\u1ea5m, ch\u00fang s\u1ebd b\u00e1m ch\u1eb7t ho\u00e0n to\u00e0n v\u00e0o b\u1ec1 m\u1eb7t c\u1ee7a c\u00fa \u0111\u1ea5m v\u00e0 c\u00e1c th\u00e0nh th\u1eb3ng \u00edt b\u1ecb u\u1ed1n cong qu\u00e1 m\u1ee9c, gi\u1ea3m \u0111\u1ed9 n\u1ea3y.<\/p><p>N\u1ebfu s\u1eed d\u1ee5ng cao su \u0111\u00e0n h\u1ed3i c\u00f3 \u0111\u1ed9 c\u1ee9ng cao th\u00ec hi\u1ec7u qu\u1ea3 c\u00f2n t\u1ed1t h\u01a1n n\u1eefa. Ngo\u00e0i \u0111\u1ed9 ch\u00ednh x\u00e1c cao, s\u1eed d\u1ee5ng khu\u00f4n cao su kh\u00f4ng \u0111\u1ec3 l\u1ea1i v\u1ebft x\u01b0\u1edbc tr\u00ean b\u1ec1 m\u1eb7t c\u00e1c chi ti\u1ebft u\u1ed1n cong, t\u00ednh linh ho\u1ea1t c\u1ee7a khu\u00f4n cao su v\u00e0 cao su \u0111\u00e0n h\u1ed3i r\u1ea5t t\u1ed1t.<\/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\">Ph\u1ea7n k\u1ebft lu\u1eadn<\/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>\u0110\u1ed9 \u0111\u00e0n h\u1ed3i l\u00e0 m\u1ed9t th\u00e1ch th\u1ee9c c\u1ed1 h\u1eefu trong u\u1ed1n t\u1ea5m kim lo\u1ea1i, \u0111\u01b0\u1ee3c th\u00fac \u0111\u1ea9y b\u1edfi s\u1ef1 ph\u1ee5c h\u1ed3i \u0111\u00e0n h\u1ed3i c\u1ee7a v\u1eadt li\u1ec7u sau khi bi\u1ebfn d\u1ea1ng d\u1ebbo. C\u00e1c y\u1ebfu t\u1ed1 nh\u01b0 t\u00ednh ch\u1ea5t v\u1eadt li\u1ec7u, \u0111\u1ed9 d\u00e0y t\u1ea5m, b\u00e1n k\u00ednh u\u1ed1n v\u00e0 ph\u01b0\u01a1ng ph\u00e1p u\u1ed1n \u0111\u1ec1u \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn m\u1ee9c \u0111\u1ed9 \u0111\u00e0n h\u1ed3i. Tuy nhi\u00ean, b\u1eb1ng c\u00e1ch s\u1eed d\u1ee5ng c\u00e1c chi\u1ebfn l\u01b0\u1ee3c nh\u01b0 u\u1ed1n qu\u00e1 m\u1ee9c, \u0111i\u1ec1u ch\u1ec9nh l\u1ef1c u\u1ed1n v\u00e0 s\u1eed d\u1ee5ng c\u00e1c c\u00f4ng c\u1ee5 m\u00f4 ph\u1ecfng, c\u00e1c nh\u00e0 s\u1ea3n xu\u1ea5t c\u00f3 th\u1ec3 ki\u1ec3m so\u00e1t hi\u1ec7u qu\u1ea3 \u0111\u1ed9 \u0111\u00e0n h\u1ed3i v\u00e0 t\u1ea1o ra c\u00e1c b\u1ed9 ph\u1eadn c\u00f3 h\u00ecnh d\u1ea1ng ch\u00ednh x\u00e1c, ch\u1ea5t l\u01b0\u1ee3ng cao. Khi nhu c\u1ea7u v\u1ec1 c\u00e1c th\u00e0nh ph\u1ea7n nh\u1eb9, ch\u1eafc v\u00e0 ch\u00ednh x\u00e1c ti\u1ebfp t\u1ee5c t\u0103ng trong c\u00e1c ng\u00e0nh c\u00f4ng nghi\u1ec7p nh\u01b0 \u00f4 t\u00f4 v\u00e0 h\u00e0ng kh\u00f4ng v\u0169 tr\u1ee5, vi\u1ec7c th\u00e0nh th\u1ea1o qu\u1ea3n l\u00fd \u0111\u1ed9 \u0111\u00e0n h\u1ed3i s\u1ebd v\u1eabn l\u00e0 m\u1ed9t kh\u00eda c\u1ea1nh quan tr\u1ecdng c\u1ee7a ch\u1ebf t\u1ea1o t\u1ea5m kim lo\u1ea1i.<\/p><p><a href=\"https:\/\/www.shen-chong.com\/vi\/\" target=\"_blank\" rel=\"noopener\"><span style=\"color: #3366ff;\">M\u00e1y m\u00f3c SC<\/span><\/a> l\u00e0 m\u1ed9t chuy\u00ean gia <a href=\"https:\/\/www.shen-chong.com\/vi\/cnc-press-brake-machine\/\" target=\"_blank\" rel=\"noopener\"><span style=\"color: #3366ff;\">Phanh \u00e9p CNC<\/span><\/a> v\u00e0 nh\u00e0 m\u00e1y m\u00e1y \u00e9p \u0111\u1ed9t d\u1eadp, v\u00e0 ch\u00fang t\u00f4i cung c\u1ea5p c\u00e1c gi\u1ea3i ph\u00e1p u\u1ed1n cho kh\u00e1ch h\u00e0ng trong h\u01a1n 25 n\u0103m. Vui l\u00f2ng li\u00ean h\u1ec7 v\u1edbi ch\u00fang t\u00f4i n\u1ebfu b\u1ea1n c\u1ea7n m\u00e1y u\u1ed1n.<\/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>Th\u00eam b\u00e0i vi\u1ebft d\u00e0nh cho b\u1ea1n:<\/b><\/strong><\/p><p><a href=\"https:\/\/www.shen-chong.com\/vi\/what-are-the-k-factor-bend-allowance-and-bend-deduction\/\" target=\"_blank\" rel=\"noopener\">H\u1ec7 s\u1ed1 K, Ph\u1ee5 c\u1ea5p u\u1ed1n cong v\u00e0 Kh\u1ea5u tr\u1eeb u\u1ed1n cong l\u00e0 g\u00ec?<\/a><\/p><p><a href=\"https:\/\/www.shen-chong.com\/vi\/ultimate-guide-for-press-brake-tooling\/\" target=\"_blank\" rel=\"noopener\">H\u01b0\u1edbng d\u1eabn c\u01a1 b\u1ea3n v\u1ec1 d\u1ee5ng c\u1ee5 phanh b\u00e1o ch\u00ed<\/a><\/p><p><a href=\"https:\/\/www.shen-chong.com\/vi\/all-you-need-to-know-about-sheet-metal-gauge\/\" target=\"_blank\" rel=\"noopener\">T\u1ea5t c\u1ea3 nh\u1eefng g\u00ec b\u1ea1n c\u1ea7n bi\u1ebft v\u1ec1 m\u00e1y \u0111o kim lo\u1ea1i t\u1ea5m<\/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>Gi\u1edbi thi\u1ec7u M\u1ee5c l\u1ee5c U\u1ed1n t\u1ea5m kim lo\u1ea1i l\u00e0 m\u1ed9t quy tr\u00ecnh s\u1ea3n xu\u1ea5t quan tr\u1ecdng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 \u0111\u1ecbnh h\u00ecnh c\u00e1c t\u1ea5m kim lo\u1ea1i theo g\u00f3c v\u00e0 h\u00ecnh d\u1ea1ng mong mu\u1ed1n. N\u00f3 \u0111\u00f3ng vai tr\u00f2 quan tr\u1ecdng trong c\u00e1c ng\u00e0nh c\u00f4ng nghi\u1ec7p nh\u01b0 \u00f4 t\u00f4, h\u00e0ng kh\u00f4ng v\u0169 tr\u1ee5, x\u00e2y d\u1ef1ng v\u00e0 \u0111i\u1ec7n t\u1eed. Nh\u01b0ng t\u1ea1i sao u\u1ed1n t\u1ea5m kim lo\u1ea1i th\u01b0\u1eddng kh\u00f4ng gi\u1eef \u0111\u01b0\u1ee3c h\u00ecnh d\u1ea1ng c\u1ee7a ch\u00fang? C\u00e2u tr\u1ea3 l\u1eddi n\u1eb1m \u1edf m\u1ed9t hi\u1ec7n t\u01b0\u1ee3ng \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 [\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\/vi\/understanding-springback-in-sheet-metal-bending\/\" \/>\n<meta property=\"og:locale\" content=\"vi_VN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Understanding Springback In Sheet Metal Bending - 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