{"id":2772,"date":"2024-05-17T01:16:06","date_gmt":"2024-05-17T01:16:06","guid":{"rendered":"https:\/\/www.shen-chong.com\/?p=2772"},"modified":"2024-05-15T02:06:02","modified_gmt":"2024-05-15T02:06:02","slug":"what-are-the-k-factor-bend-allowance-and-bend-deduction","status":"publish","type":"post","link":"https:\/\/www.shen-chong.com\/vi\/what-are-the-k-factor-bend-allowance-and-bend-deduction\/","title":{"rendered":"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?"},"content":{"rendered":"<div data-elementor-type=\"wp-post\" data-elementor-id=\"2772\" class=\"elementor elementor-2772\" data-elementor-post-type=\"post\">\n\t\t\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-81d1703 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"81d1703\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container 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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__6ed7cdc\" 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 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xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M500 975V858C696 858 858 696 858 500S696 142 500 142 142 304 142 500H25C25 237 238 25 500 25S975 237 975 500 763 975 500 975Z\"><\/path><\/svg>\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-a6c9058 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"a6c9058\" 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-4160b3a\" data-id=\"4160b3a\" 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-d34b492 elementor-widget elementor-widget-heading\" data-id=\"d34b492\" 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\">Gi\u1edbi thi\u1ec7u<\/h2>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-8394fb5 elementor-widget elementor-widget-text-editor\" data-id=\"8394fb5\" 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>T\u00ednh to\u00e1n h\u1ec7 s\u1ed1 K ch\u00ednh x\u00e1c, dung sai u\u1ed1n cong v\u00e0 kh\u1ea5u tr\u1eeb u\u1ed1n cong l\u00e0 r\u1ea5t quan tr\u1ecdng \u0111\u1ec3 c\u00f3 \u0111\u01b0\u1ee3c s\u1ea3n ph\u1ea9m ho\u00e0n thi\u1ec7n ch\u1ea5t l\u01b0\u1ee3ng t\u1ed1t t\u1eeb s\u1ea3n ph\u1ea9m c\u1ee7a b\u1ea1n. <a href=\"https:\/\/www.shen-chong.com\/vi\/press-brake\/\" target=\"_blank\" rel=\"noopener\"><span style=\"color: #3366ff;\"><strong><b>th\u1ee7y l\u1ef1c<\/b><\/strong><strong><b>\u00a0nh\u1ea5n phanh<\/b><\/strong><\/span><\/a>. Ki\u1ebfn th\u1ee9c v\u00e0 k\u1ef9 thu\u1eadt v\u1ec1 m\u00e1y ch\u1ea5n l\u00e0 n\u1ec1n t\u1ea3ng c\u01a1 b\u1ea3n, c\u00f3 vai tr\u00f2 t\u1ed1i quan tr\u1ecdng \u0111\u1ec3 gi\u00fap b\u1ea1n s\u1eed d\u1ee5ng n\u00f3 trong s\u1ea3n xu\u1ea5t.<\/p><p>T\u00ednh to\u00e1n chi\u1ec1u d\u00e0i m\u1eabu ph\u1eb3ng t\u1eeb ph\u1ea7n 3D th\u1ef1c s\u1ef1 kh\u00f4ng kh\u00f3 l\u1eafm. M\u1eb7c d\u00f9 b\u1ea1n c\u00f3 th\u1ec3 t\u00ecm th\u1ea5y m\u1ed9t s\u1ed1 c\u00f4ng th\u1ee9c kh\u00e1c nhau y\u00eau c\u1ea7u t\u00ednh to\u00e1n Ph\u1ee5 c\u1ea5p u\u1ed1n cong, nh\u01b0ng ch\u00fang th\u01b0\u1eddng l\u00e0 c\u00f9ng m\u1ed9t c\u00f4ng th\u1ee9c, ch\u1ec9 \u0111\u01b0\u1ee3c \u0111\u01a1n gi\u1ea3n h\u00f3a b\u1eb1ng c\u00e1ch \u0111i\u1ec1n v\u00e0o g\u00f3c ho\u1eb7c h\u1ec7 s\u1ed1 K. B\u00e0i vi\u1ebft n\u00e0y s\u1ebd cho b\u1ea1n th\u1ea5y th\u00f4ng tin n\u00e0y, bao g\u1ed3m h\u1ec7 s\u1ed1 K, ph\u1ee5 c\u1ea5p u\u1ed1n cong v\u00e0 kh\u1ea5u tr\u1eeb u\u1ed1n cong.<\/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-7f4fda3 elementor-widget-divider--view-line elementor-widget elementor-widget-divider\" data-id=\"7f4fda3\" 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 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.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-750fe14 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"750fe14\" 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-750c460\" data-id=\"750c460\" 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-90033e8 elementor-widget elementor-widget-heading\" data-id=\"90033e8\" 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\u1ee5 c\u1ea5p u\u1ed1n cong 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-87c3f12 elementor-widget elementor-widget-text-editor\" data-id=\"87c3f12\" 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>Kim lo\u1ea1i th\u1ef1c s\u1ef1 c\u00f3 th\u1ec3 b\u1ecb u\u1ed1n cong. Khi s\u1ea3n xu\u1ea5t kim lo\u1ea1i t\u1ea5m, kim lo\u1ea1i ph\u1ea3i \u0111\u01b0\u1ee3c u\u1ed1n cong, kh\u00f4ng ch\u1ec9 \u0111\u1ec3 t\u1ea1o th\u00e0nh m\u1ed9t h\u00ecnh d\u1ea1ng nh\u1ea5t \u0111\u1ecbnh m\u00e0 c\u00f2n ph\u1ea3i tu\u00e2n th\u1ee7 c\u00e1c quy \u0111\u1ecbnh v\u1ec1 an to\u00e0n khi kim lo\u1ea1i ch\u1ecbu va \u0111\u1eadp, khi\u1ebfn n\u00f3 b\u1ecb u\u1ed1n cong ch\u1ee9 kh\u00f4ng b\u1ecb g\u00e3y. B\u1ea5t k\u1ec3 lo\u1ea1i kim lo\u1ea1i n\u00e0o, c\u0169ng nh\u01b0 h\u00ecnh d\u1ea1ng v\u00e0 \u0111\u1ed9 d\u00e0y c\u1ee7a kim lo\u1ea1i, m\u1ed7i mi\u1ebfng kim lo\u1ea1i \u0111\u1ec1u c\u00f3 m\u1ed9t m\u1ee9c \u0111\u1ed9 cho ph\u00e9p u\u1ed1n nh\u1ea5t \u0111\u1ecbnh.<\/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-b9e7f19 elementor-widget elementor-widget-heading\" data-id=\"b9e7f19\" 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\">\u0110\u1ecbnh ngh\u0129a ph\u1ee5 c\u1ea5p u\u1ed1n cong<\/h3>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-19ca6f7 elementor-widget elementor-widget-text-editor\" data-id=\"19ca6f7\" 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>Dung sai u\u1ed1n cong (BA) l\u00e0 chi\u1ec1u d\u00e0i cung u\u1ed1n \u0111\u01b0\u1ee3c \u0111o d\u1ecdc theo tr\u1ee5c trung h\u00f2a c\u1ee7a t\u1ea5m kim lo\u1ea1i do chi\u1ec1u d\u00e0i c\u1ee7a tr\u1ee5c trung h\u00f2a kh\u00f4ng thay \u0111\u1ed5i sau khi u\u1ed1n.<\/p><p>Sau khi t\u00ednh to\u00e1n m\u1ee9c cho ph\u00e9p u\u1ed1n cong, n\u00f3 ph\u1ea3i \u0111\u01b0\u1ee3c th\u00eam v\u00e0o chi\u1ec1u d\u00e0i ph\u1eb3ng \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh chi\u1ec1u d\u00e0i kim lo\u1ea1i t\u1ea5m c\u1ea7n thi\u1ebft \u0111\u1ec3 t\u1ea1o th\u00e0nh ph\u00f4i gia c\u00f4ng mong mu\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-08c7e4b elementor-widget elementor-widget-heading\" data-id=\"08c7e4b\" 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\">C\u00e1ch t\u00ednh ph\u1ee5 c\u1ea5p u\u1ed1n cong<\/h4>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-f807f41 elementor-widget elementor-widget-text-editor\" data-id=\"f807f41\" 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>Nh\u01b0 \u0111\u01b0\u1ee3c th\u1ec3 hi\u1ec7n trong h\u00ecnh d\u01b0\u1edbi \u0111\u00e2y:<\/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-4921555 elementor-widget elementor-widget-image\" data-id=\"4921555\" 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=\"420\" src=\"https:\/\/www.shen-chong.com\/wp-content\/uploads\/2024\/05\/bend-allowance.jpg\" class=\"attachment-full size-full wp-image-2775\" alt=\"ph\u1ee5 c\u1ea5p u\u1ed1n cong\" srcset=\"https:\/\/www.shen-chong.com\/wp-content\/uploads\/2024\/05\/bend-allowance.jpg 650w, https:\/\/www.shen-chong.com\/wp-content\/uploads\/2024\/05\/bend-allowance-300x194.jpg 300w, https:\/\/www.shen-chong.com\/wp-content\/uploads\/2024\/05\/bend-allowance-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-900cc77 elementor-widget elementor-widget-text-editor\" data-id=\"900cc77\" 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\u00f4ng th\u1ee9c sau \u0111\u00e2y \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 t\u00ednh chi\u1ec1u d\u00e0i ph\u1eb3ng:<\/p><p style=\"text-align: center;\"><span style=\"color: #0000ff;\"><strong><b>Chi\u1ec1u d\u00e0i t\u1ea5m kim lo\u1ea1i ph\u1eb3ng<\/b><\/strong><strong><b>\u00a0<\/b><\/strong><strong><b>=<\/b><\/strong><strong><b>\u00a0<\/b><\/strong><strong><b>Chi\u1ec1u d\u00e0i ch\u00e2n 1 +BA + Chi\u1ec1u d\u00e0i ch\u00e2n 2<\/b><\/strong><\/span><\/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-4f88e5f elementor-widget elementor-widget-heading\" data-id=\"4f88e5f\" 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\">C\u00f4ng th\u1ee9c t\u00ednh ph\u1ee5 c\u1ea5p u\u1ed1n cong<\/h4>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-2a9a157 elementor-widget elementor-widget-image\" data-id=\"2a9a157\" 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=\"265\" height=\"76\" src=\"https:\/\/www.shen-chong.com\/wp-content\/uploads\/2024\/05\/bend-allowance-formula.jpg\" class=\"attachment-full size-full wp-image-2776\" alt=\"c\u00f4ng th\u1ee9c ph\u1ee5 c\u1ea5p u\u1ed1n cong\" srcset=\"https:\/\/www.shen-chong.com\/wp-content\/uploads\/2024\/05\/bend-allowance-formula.jpg 265w, https:\/\/www.shen-chong.com\/wp-content\/uploads\/2024\/05\/bend-allowance-formula-18x5.jpg 18w\" sizes=\"(max-width: 265px) 100vw, 265px\" \/>\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-610cbe6 elementor-widget elementor-widget-text-editor\" data-id=\"610cbe6\" 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>A \u2013 G\u00f3c u\u1ed1n<\/p><p>R \u2013 B\u00e1n k\u00ednh b\u00ean trong<\/p><p>H\u1ec7 s\u1ed1 K \u2013 K<\/p><p>T \u2013 \u0110\u1ed9 d\u00e0y v\u1eadt li\u1ec7u<\/p><p>H\u00e3y b\u1eaft \u0111\u1ea7u v\u1edbi m\u1ed9t d\u1ea5u ngo\u1eb7c L \u0111\u01a1n gi\u1ea3n. H\u00ecnh \u1ea3nh cho th\u1ea5y ch\u00e2n c\u1ee7a gi\u00e1 \u0111\u1ee1 l\u00e0 2\u201d v\u00e0 3\u201d. \u0110\u1ed9 d\u00e0y v\u1eadt li\u1ec7u l\u00e0 0,125\u201d, b\u00e1n k\u00ednh b\u00ean trong l\u00e0 0,250\u201d v\u00e0 g\u00f3c u\u1ed1n l\u00e0 90 \u0111\u1ed9. Chi\u1ec1u d\u00e0i ph\u1eb3ng l\u00e0 t\u1ed5ng c\u1ee7a ph\u1ea7n ph\u1eb3ng c\u1ee7a c\u1ea3 hai m\u1eb7t b\u00edch c\u1ed9ng v\u1edbi chi\u1ec1u d\u00e0i qua cung c\u1ee7a v\u00f9ng u\u1ed1n. Tuy nhi\u00ean, b\u1ea1n t\u00ednh to\u00e1n \u0111i\u1ec1u \u0111\u00f3 \u1edf b\u00ean trong v\u1eadt li\u1ec7u hay b\u00ean ngo\u00e0i? Kh\u00f4ng! \u0110\u00e2y l\u00e0 l\u00fac y\u1ebfu t\u1ed1 K ph\u00e1t huy t\u00e1c d\u1ee5ng. H\u1ec7 s\u1ed1 K l\u00e0 t\u1ef7 l\u1ec7 ph\u1ea7n tr\u0103m c\u1ee7a \u0111\u1ed9 d\u00e0y v\u1eadt li\u1ec7u trong \u0111\u00f3 v\u1eadt li\u1ec7u kh\u00f4ng b\u1ecb k\u00e9o gi\u00e3n ho\u1eb7c b\u1ecb n\u00e9n, v\u00ed d\u1ee5 nh\u01b0 tr\u1ee5c trung h\u00f2a. \u0110\u1ed1i v\u1edbi khung L \u0111\u01a1n gi\u1ea3n n\u00e0y, t\u00f4i s\u1ebd s\u1eed d\u1ee5ng h\u1ec7 s\u1ed1 K l\u00e0 0,42.<\/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-c1d3528 elementor-widget elementor-widget-image\" data-id=\"c1d3528\" 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=\"196\" src=\"https:\/\/www.shen-chong.com\/wp-content\/uploads\/2024\/05\/bend-allowance-calculation-case.jpg\" class=\"attachment-full size-full wp-image-2777\" alt=\"tr\u01b0\u1eddng h\u1ee3p t\u00ednh to\u00e1n ph\u1ee5 c\u1ea5p u\u1ed1n cong\" srcset=\"https:\/\/www.shen-chong.com\/wp-content\/uploads\/2024\/05\/bend-allowance-calculation-case.jpg 650w, https:\/\/www.shen-chong.com\/wp-content\/uploads\/2024\/05\/bend-allowance-calculation-case-300x90.jpg 300w, https:\/\/www.shen-chong.com\/wp-content\/uploads\/2024\/05\/bend-allowance-calculation-case-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-1e0d09b elementor-widget elementor-widget-text-editor\" data-id=\"1e0d09b\" 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 s\u1eed d\u1ee5ng c\u00f4ng th\u1ee9c tr\u00ean, ch\u00fang ta c\u00f3: Ph\u1ee5 c\u1ea5p u\u1ed1n cong = 90 * (\u03c0 \/ 180) * (0,250 + 0,42 * 0,125) = 0,475\u2033.<\/p><p>V\u00ec v\u1eady, chi\u1ec1u d\u00e0i m\u1eabu ph\u1eb3ng l\u00e0 1,625\u201d + 2,625\u201d + 0,475\u201d t\u01b0\u01a1ng \u0111\u01b0\u01a1ng v\u1edbi 4,725\u201d. V\u00ec v\u1eady, n\u1ebfu b\u1ea1n c\u1ed9ng chi\u1ec1u d\u00e0i ph\u1eb3ng c\u1ee7a t\u1ea5t c\u1ea3 c\u00e1c m\u1eb7t b\u00edch v\u00e0 th\u00eam m\u1ed9t Ph\u1ee5 c\u1ea5p u\u1ed1n cong cho m\u1ed7i khu v\u1ef1c u\u1ed1n cong, b\u1ea1n s\u1ebd c\u00f3 chi\u1ec1u d\u00e0i ph\u1eb3ng ch\u00ednh x\u00e1c c\u1ee7a b\u1ed9 ph\u1eadn.<\/p><p>Nh\u01b0ng h\u00e3y nh\u00ecn v\u00e0o b\u1ea3n v\u1ebd. \u0110\u00f3 kh\u00f4ng ph\u1ea3i l\u00e0 c\u00e1ch ch\u00fang ta th\u01b0\u1eddng \u0111o k\u00edch th\u01b0\u1edbc m\u1ed9t b\u1ed9 ph\u1eadn kim lo\u1ea1i t\u1ea5m. K\u00edch th\u01b0\u1edbc th\u01b0\u1eddng l\u00e0 giao \u0111i\u1ec3m c\u1ee7a m\u1eb7t b\u00edch ho\u1eb7c \u0110\u01b0\u1eddng khu\u00f4n. \u0110i\u1ec1u n\u00e0y c\u00f3 ngh\u0129a l\u00e0 ch\u00fang ta ph\u1ea3i tr\u1eeb hai l\u1ea7n \u0111\u1ed9 d\u00e0y v\u1eadt li\u1ec7u c\u1ed9ng v\u1edbi b\u00e1n k\u00ednh u\u1ed1n cong (c\u00f2n \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 Kho\u1ea3ng l\u00f9i) cho m\u1ed7i v\u00f9ng u\u1ed1n cong. \u0110\u1ed1i v\u1edbi t\u1eadp h\u1ee3p k\u00edch th\u01b0\u1edbc n\u00e0y, vi\u1ec7c t\u00ednh gi\u00e1 tr\u1ecb B\u00f9 u\u1ed1n cong s\u1ebd d\u1ec5 d\u00e0ng h\u01a1n. Gi\u00e1 tr\u1ecb B\u00f9 u\u1ed1n cong cho ph\u00e9p b\u1ea1n c\u1ed9ng chi\u1ec1u d\u00e0i c\u1ee7a m\u1ed7i m\u1eb7t b\u00edch b\u1eb1ng c\u00e1ch s\u1eed d\u1ee5ng c\u00e1c k\u00edch th\u01b0\u1edbc \u0110\u01b0\u1eddng khu\u00f4n v\u00e0 sau \u0111\u00f3 th\u00eam m\u1ed9t B\u00f9 u\u1ed1n cong cho m\u1ed7i di\u1ec7n t\u00edch u\u1ed1n cong v\u00e0o t\u1ed5ng s\u1ed1. \u0110\u00f3 l\u00e0 -0,275, m\u1ed9t s\u1ed1 \u00e2m, c\u00f3 ngh\u0129a l\u00e0 b\u1ea1n s\u1ebd tr\u1eeb s\u1ed1 ti\u1ec1n n\u00e0y kh\u1ecfi t\u1ed5ng chi\u1ec1u d\u00e0i m\u1eb7t b\u00edch, 5\u201d, \u0111\u1ec3 c\u00f3 \u0111\u01b0\u1ee3c 4,725\u201d.<\/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-b08bd5a elementor-widget-divider--view-line elementor-widget elementor-widget-divider\" data-id=\"b08bd5a\" 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<div class=\"elementor-element elementor-element-8cf45d0 elementor-widget elementor-widget-heading\" data-id=\"8cf45d0\" 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\">Y\u1ebfu t\u1ed1 K 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-0c3f990 elementor-widget elementor-widget-text-editor\" data-id=\"0c3f990\" 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>H\u1ec7 s\u1ed1 k l\u00e0 t\u1ef7 l\u1ec7 ph\u1ea7n tr\u0103m c\u1ee7a \u0111\u1ed9 d\u00e0y v\u1eadt li\u1ec7u m\u00e0 t\u1ea1i \u0111\u00f3 v\u1eadt li\u1ec7u kh\u00f4ng b\u1ecb k\u00e9o gi\u00e3n ho\u1eb7c b\u1ecb n\u00e9n \u1edf khu v\u1ef1c u\u1ed1n cong.<\/p><p>V\u1eadt li\u1ec7u c\u00e0ng c\u1ee9ng th\u00ec l\u1ef1c n\u00e9n \u1edf b\u00ean trong ch\u1ed7 u\u1ed1n c\u00e0ng \u00edt. Do \u0111\u00f3, ph\u1ea7n b\u00ean ngo\u00e0i b\u1ecb k\u00e9o gi\u00e3n nhi\u1ec1u h\u01a1n v\u00e0 tr\u1ee5c trung h\u00f2a di chuy\u1ec3n v\u1ec1 ph\u00eda b\u00ean trong ch\u1ed7 u\u1ed1n. V\u1eadt li\u1ec7u m\u1ec1m h\u01a1n cho ph\u00e9p n\u00e9n nhi\u1ec1u h\u01a1n \u1edf b\u00ean trong v\u00e0 tr\u1ee5c trung t\u00ednh v\u1eabn \u1edf g\u1ea7n t\u00e2m c\u1ee7a \u0111\u1ed9 d\u00e0y v\u1eadt li\u1ec7u h\u01a1n.<\/p><p>B\u00e1n k\u00ednh u\u1ed1n cong c\u00f3 t\u00e1c d\u1ee5ng t\u01b0\u01a1ng t\u1ef1. B\u00e1n k\u00ednh u\u1ed1n cong c\u00e0ng nh\u1ecf th\u00ec nhu c\u1ea7u n\u00e9n c\u00e0ng nhi\u1ec1u v\u00e0 tr\u1ee5c trung h\u00f2a di chuy\u1ec3n v\u1ec1 ph\u00eda b\u00ean trong ch\u1ed7 u\u1ed1n. Tr\u00ean b\u00e1n k\u00ednh l\u1edbn h\u01a1n. tr\u1ee5c trung h\u00f2a v\u1eabn \u1edf g\u1ea7n t\u00e2m c\u1ee7a \u0111\u1ed9 d\u00e0y v\u1eadt li\u1ec7u.<\/p><p>\u0110\u1ec3 hi\u1ec3u h\u1ec7 s\u1ed1 K, tr\u01b0\u1edbc ti\u00ean ch\u00fang ta c\u1ea7n hi\u1ec3u tr\u1ee5c trung h\u00f2a.<\/p><p>Khi t\u1ea5m kim lo\u1ea1i b\u1ecb u\u1ed1n cong, b\u1ec1 m\u1eb7t d\u01b0\u1edbi b\u1ecb n\u00e9n v\u00e0 b\u1ec1 m\u1eb7t tr\u00ean b\u1ecb k\u00e9o c\u0103ng. Tr\u1ee5c trung h\u00f2a n\u1eb1m b\u00ean trong kim lo\u1ea1i, n\u01a1i n\u00f3 s\u1ebd kh\u00f4ng b\u1ecb n\u00e9n c\u0169ng nh\u01b0 kh\u00f4ng gi\u00e3n ra, cho ph\u00e9p n\u00f3 duy tr\u00ec chi\u1ec1u d\u00e0i kh\u00f4ng \u0111\u1ed5i.<\/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-e5f8cc3 elementor-widget elementor-widget-image\" data-id=\"e5f8cc3\" 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=\"302\" src=\"https:\/\/www.shen-chong.com\/wp-content\/uploads\/2024\/05\/neutral-axis.jpg\" class=\"attachment-full size-full wp-image-2778\" alt=\"Tr\u1ee5c trung t\u00ednh\" srcset=\"https:\/\/www.shen-chong.com\/wp-content\/uploads\/2024\/05\/neutral-axis.jpg 650w, https:\/\/www.shen-chong.com\/wp-content\/uploads\/2024\/05\/neutral-axis-300x139.jpg 300w, https:\/\/www.shen-chong.com\/wp-content\/uploads\/2024\/05\/neutral-axis-18x8.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-79d2536 elementor-widget elementor-widget-heading\" data-id=\"79d2536\" 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\">Tr\u1ee5c trung t\u00ednh<\/h3>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-6ba0839 elementor-widget elementor-widget-text-editor\" data-id=\"6ba0839\" 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>Tr\u1ee5c trung t\u00ednh kh\u00f4ng thay \u0111\u1ed5i. Khi ph\u00e1t tri\u1ec3n chi\u1ec1u d\u00e0i tr\u1ed1ng ph\u1eb3ng, c\u00f3 m\u1ed9t ph\u1ea7n c\u00f3 chi\u1ec1u d\u00e0i kh\u00f4ng thay \u0111\u1ed5i. \u0110\u1ed9 d\u00e0i n\u00e0y \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 tr\u1ee5c trung h\u00f2a. V\u1eadt li\u1ec7u \u1edf b\u00ean trong tr\u1ee5c trung h\u00f2a s\u1ebd b\u1ecb n\u00e9n, trong khi v\u1eadt li\u1ec7u \u1edf b\u00ean ngo\u00e0i s\u1ebd gi\u00e3n ra. D\u1ef1a tr\u00ean b\u00e1n k\u00ednh d\u1ea1ng d\u00e0y c\u1ee7a v\u1eadt li\u1ec7u v\u00e0 ph\u01b0\u01a1ng ph\u00e1p t\u1ea1o h\u00ecnh, t\u1ef7 l\u1ec7 n\u00e9n v\u00e0 l\u1ef1c c\u0103ng trong b\u1ed9 ph\u1eadn s\u1ebd thay \u0111\u1ed5i.<\/p><p>M\u1ed9t b\u1ed9 ph\u1eadn \u0111\u01b0\u1ee3c u\u1ed1n cong tr\u00ean m\u1ed9t b\u00e1n k\u00ednh r\u1ea5t s\u1eafc n\u00e9t, khi so s\u00e1nh v\u1edbi \u0111\u1ed9 d\u00e0y, s\u1ebd c\u0103ng ra \u1edf b\u00ean ngo\u00e0i nhi\u1ec1u h\u01a1n, \u0111i\u1ec1u \u0111\u00f3 c\u00f3 ngh\u0129a l\u00e0 tr\u1ee5c trung h\u00f2a s\u1ebd n\u1eb1m g\u1ea7n b\u00ean trong ch\u1ed7 u\u1ed1n h\u01a1n. M\u1ed9t b\u1ed9 ph\u1eadn b\u1ecb u\u1ed1n cong d\u1ea7n d\u1ea7n s\u1ebd c\u00f3 \u0111\u1ed9 gi\u00e3n b\u00ean ngo\u00e0i \u00edt h\u01a1n, ngh\u0129a l\u00e0 tr\u1ee5c trung h\u00f2a s\u1ebd n\u1eb1m g\u1ea7n t\u00e2m c\u1ee7a b\u1ed9 ph\u1eadn h\u01a1n.<\/p><p>Trong t\u1ea5m kim lo\u1ea1i ph\u1eb3ng, tr\u1ee5c trung h\u00f2a n\u1eb1m \u0111\u1ec1u \u1edf m\u1ed9t n\u1eeda \u0111\u1ed9 d\u00e0y c\u1ee7a t\u1ea5m kim lo\u1ea1i nh\u01b0ng n\u00f3 s\u1ebd di chuy\u1ec3n trong qu\u00e1 tr\u00ecnh u\u1ed1n.<\/p><p>S\u1ef1 thay \u0111\u1ed5i v\u1ecb tr\u00ed c\u1ee7a tr\u1ee5c trung h\u00f2a \u0111\u01b0\u1ee3c x\u00e1c \u0111\u1ecbnh b\u1edfi nhi\u1ec1u y\u1ebfu t\u1ed1 kh\u00e1c nhau nh\u01b0 t\u00ednh ch\u1ea5t v\u1eadt li\u1ec7u, \u0111\u1ed9 d\u00e0y, g\u00f3c u\u1ed1n, b\u00e1n k\u00ednh trong v\u00e0 ph\u01b0\u01a1ng ph\u00e1p u\u1ed1n c\u1ee7a t\u1ea5m.<\/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-e692e9c elementor-widget elementor-widget-heading\" data-id=\"e692e9c\" 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\u00e1ch t\u00ednh h\u1ec7 s\u1ed1 K<\/h3>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-342f0db elementor-widget elementor-widget-text-editor\" data-id=\"342f0db\" 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\u1ec1 m\u1eb7t to\u00e1n h\u1ecdc, h\u1ec7 s\u1ed1 K bi\u1ec3u th\u1ecb t\u1ef7 s\u1ed1 gi\u1eefa v\u1ecb tr\u00ed c\u1ee7a tr\u1ee5c trung h\u00f2a (t) v\u00e0 \u0111\u1ed9 d\u00e0y t\u1ea5m (T).<\/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-1d64a0f elementor-widget elementor-widget-heading\" data-id=\"1d64a0f\" 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\">C\u00f4ng th\u1ee9c h\u1ec7 s\u1ed1 K<\/h4>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-f4a2f04 elementor-widget elementor-widget-image\" data-id=\"f4a2f04\" 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=\"193\" height=\"73\" src=\"https:\/\/www.shen-chong.com\/wp-content\/uploads\/2024\/05\/k-factor-calculation-formula.jpg\" class=\"attachment-full size-full wp-image-2779\" alt=\"c\u00f4ng th\u1ee9c t\u00ednh h\u1ec7 s\u1ed1 k\" srcset=\"https:\/\/www.shen-chong.com\/wp-content\/uploads\/2024\/05\/k-factor-calculation-formula.jpg 193w, https:\/\/www.shen-chong.com\/wp-content\/uploads\/2024\/05\/k-factor-calculation-formula-18x7.jpg 18w\" sizes=\"(max-width: 193px) 100vw, 193px\" \/>\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-41265b6 elementor-widget elementor-widget-text-editor\" data-id=\"41265b6\" 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>Trong \u0111\u00f3 t l\u00e0 kho\u1ea3ng c\u00e1ch t\u1eeb b\u1ec1 m\u1eb7t b\u00ean trong \u0111\u1ebfn tr\u1ee5c trung h\u00f2a v\u00e0 T l\u00e0 \u0111\u1ed9 d\u00e0y 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-6be4fc8 elementor-widget elementor-widget-image\" data-id=\"6be4fc8\" 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=\"406\" src=\"https:\/\/www.shen-chong.com\/wp-content\/uploads\/2024\/05\/k-factor-formula.jpg\" class=\"attachment-full size-full wp-image-2780\" alt=\"c\u00f4ng th\u1ee9c h\u1ec7 s\u1ed1 k\" srcset=\"https:\/\/www.shen-chong.com\/wp-content\/uploads\/2024\/05\/k-factor-formula.jpg 650w, https:\/\/www.shen-chong.com\/wp-content\/uploads\/2024\/05\/k-factor-formula-300x187.jpg 300w, https:\/\/www.shen-chong.com\/wp-content\/uploads\/2024\/05\/k-factor-formula-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-370e84c elementor-widget elementor-widget-text-editor\" data-id=\"370e84c\" 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>H\u1ec7 s\u1ed1 K \u0111\u01b0\u1ee3c x\u00e1c \u0111\u1ecbnh b\u1edfi c\u00e1c t\u00ednh ch\u1ea5t v\u1eadt l\u00fd c\u1ee7a v\u1eadt li\u1ec7u, ph\u01b0\u01a1ng ph\u00e1p u\u1ed1n, g\u00f3c u\u1ed1n v\u00e0 c\u00e1c y\u1ebfu t\u1ed1 kh\u00e1c.<\/p><p>Gi\u00e1 tr\u1ecb c\u1ee7a h\u1ec7 s\u1ed1 K s\u1ebd lu\u00f4n n\u1eb1m trong kho\u1ea3ng t\u1eeb 0 \u0111\u1ebfn 1. N\u1ebfu h\u1ec7 s\u1ed1 ak l\u00e0 0,25, \u0111i\u1ec1u \u0111\u00f3 c\u00f3 ngh\u0129a l\u00e0 tr\u1ee5c trung h\u00f2a n\u1eb1m \u1edf 25% \u0111\u1ed9 d\u00e0y c\u1ee7a v\u1eadt li\u1ec7u kim lo\u1ea1i t\u1ea5m c\u1ee7a b\u1ed9 ph\u1eadn. T\u01b0\u01a1ng t\u1ef1, n\u1ebfu l\u00e0 0,5 th\u00ec c\u00f3 ngh\u0129a l\u00e0 tr\u1ee5c trung h\u00f2a n\u1eb1m \u1edf 50% tr\u00ean to\u00e0n b\u1ed9 chi\u1ec1u d\u00e0y.<\/p><p><strong><b>Thu\u1ed9c t\u00ednh v\u1eadt li\u1ec7u:<\/b><\/strong>\u00a0n\u00f3 th\u01b0\u1eddng n\u1eb1m trong kho\u1ea3ng t\u1eeb 0,30 \u0111\u1ebfn 0,50. Nh\u00ecn chung, h\u1ec7 s\u1ed1 K c\u1ee7a v\u1eadt li\u1ec7u \u0111\u1ed3ng m\u1ec1m ho\u1eb7c \u0111\u1ed3ng m\u1ec1m l\u00e0 0,35, h\u1ec7 s\u1ed1 K c\u1ee7a v\u1eadt li\u1ec7u nh\u01b0 \u0111\u1ed3ng ho\u1eb7c \u0111\u1ed3ng thau b\u00e1n c\u1ee9ng, th\u00e9p nh\u1eb9 v\u00e0 nh\u00f4m l\u00e0 0,41, v\u00e0 h\u1ec7 s\u1ed1 K c\u1ee7a v\u1eadt li\u1ec7u nh\u01b0 \u0111\u1ed3ng, \u0111\u1ed3ng c\u1ee9ng, th\u00e9p c\u00e1n ngu\u1ed9i v\u00e0 th\u00e9p l\u00f2 xo l\u00e0 0,45.<\/p><p><strong><b>B\u00e1n k\u00ednh u\u1ed1n: <\/b><\/strong>b\u00e1n k\u00ednh u\u1ed1n c\u00e0ng nh\u1ecf th\u00ec h\u1ec7 s\u1ed1 K c\u00e0ng l\u1edbn.<\/p><p><strong><b>\u0110\u1ed9 d\u00e0y v\u1eadt li\u1ec7u: <\/b><\/strong>\u0111\u1ed9 d\u00e0y v\u1eadt li\u1ec7u c\u00e0ng l\u1edbn th\u00ec h\u1ec7 s\u1ed1 K c\u00e0ng l\u1edbn.<\/p><p><strong><b>S\u1ee9c m\u1ea1nh n\u0103ng su\u1ea5t c\u1ee7a v\u1eadt li\u1ec7u:<\/b><\/strong>\u00a0c\u01b0\u1eddng \u0111\u1ed9 n\u0103ng su\u1ea5t c\u00e0ng cao th\u00ec h\u1ec7 s\u1ed1 K c\u00e0ng nh\u1ecf.<\/p><p><strong><b>M\u00f4 \u0111un \u0111\u00e0n h\u1ed3i (c\u00f2n g\u1ecdi l\u00e0 m\u00f4 \u0111un Young):<\/b><\/strong>\u00a0\u0111\u1ed9 d\u00e0y v\u1eadt li\u1ec7u c\u00e0ng l\u1edbn th\u00ec h\u1ec7 s\u1ed1 K c\u00e0ng l\u1edbn.<\/p><p>Trong s\u1ea3n xu\u1ea5t kim lo\u1ea1i t\u1ea5m ch\u00ednh x\u00e1c b\u1eb1ng c\u00e1ch s\u1eed d\u1ee5ng <a href=\"https:\/\/www.shen-chong.com\/vi\/cnc-press-brake-machine\/\" target=\"_blank\" rel=\"noopener\"><span style=\"color: #3366ff;\"><strong>Phanh \u00e9p CNC<\/strong><\/span><\/a>, h\u1ec7 s\u1ed1 K l\u00e0 y\u1ebfu t\u1ed1 quy\u1ebft \u0111\u1ecbnh. H\u1ec7 s\u1ed1 K \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 t\u00ednh to\u00e1n d\u1ea1ng ph\u1eb3ng u\u1ed1n, li\u00ean quan tr\u1ef1c ti\u1ebfp \u0111\u1ebfn chi\u1ec1u d\u00e0i c\u1ee7a t\u1ea5m kim lo\u1ea1i b\u1ecb k\u00e9o c\u0103ng trong qu\u00e1 tr\u00ecnh u\u1ed1n.<\/p><p>\u0110\u00f3 l\u00e0 gi\u00e1 tr\u1ecb c\u01a1 b\u1ea3n \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh gi\u1edbi h\u1ea1n u\u1ed1n v\u00e0 m\u1ee9c gi\u1ea3m u\u1ed1n.<\/p><p>Do t\u1ef7 l\u1ec7 kho\u1ea3ng c\u00e1ch \u0111\u1ebfn tr\u1ee5c trung h\u00f2a v\u1edbi \u0111\u1ed9 d\u00e0y t\u1ea5m x\u00e1c \u0111\u1ecbnh v\u1ecb tr\u00ed c\u1ee7a tr\u1ee5c trung h\u00f2a trong t\u1ea5m kim lo\u1ea1i n\u00ean vi\u1ec7c bi\u1ebft h\u1ec7 s\u1ed1 K gi\u00fap x\u00e1c \u0111\u1ecbnh v\u1ecb tr\u00ed c\u1ee7a tr\u1ee5c trung h\u00f2a sau khi 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-43164ec elementor-widget elementor-widget-heading\" data-id=\"43164ec\" 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\">H\u1ec7 s\u1ed1 K cho nh\u00f4m v\u00e0 th\u00e9p<\/h4>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-ac1ec40 elementor-widget elementor-widget-text-editor\" data-id=\"ac1ec40\" 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\u1ea1n c\u0169ng c\u00f3 th\u1ec3 x\u00e1c \u0111\u1ecbnh h\u1ec7 s\u1ed1 K b\u1eb1ng b\u1ea3ng b\u00ean d\u01b0\u1edbi:<\/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-54e439a elementor-widget elementor-widget-image\" data-id=\"54e439a\" 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=\"432\" src=\"https:\/\/www.shen-chong.com\/wp-content\/uploads\/2024\/05\/k-factor-for-aluminum-and-steel.jpg\" class=\"attachment-full size-full wp-image-2781\" alt=\"h\u1ec7 s\u1ed1 k cho nh\u00f4m v\u00e0 th\u00e9p\" srcset=\"https:\/\/www.shen-chong.com\/wp-content\/uploads\/2024\/05\/k-factor-for-aluminum-and-steel.jpg 650w, https:\/\/www.shen-chong.com\/wp-content\/uploads\/2024\/05\/k-factor-for-aluminum-and-steel-300x199.jpg 300w, https:\/\/www.shen-chong.com\/wp-content\/uploads\/2024\/05\/k-factor-for-aluminum-and-steel-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-b4650c3 elementor-widget elementor-widget-heading\" data-id=\"b4650c3\" 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\">H\u1ec7 s\u1ed1 K cho \u0111\u1ed3ng, \u0111\u1ed3ng thau v\u00e0 \u0111\u1ed3ng thau<\/h4>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-e2838a5 elementor-widget elementor-widget-text-editor\" data-id=\"e2838a5\" 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>Sau khi nghi\u00ean c\u1ee9u k\u1ef9 l\u01b0\u1ee1ng, ng\u01b0\u1eddi ta th\u1ea5y r\u1eb1ng h\u1ec7 th\u1ed1ng SolidWorks c\u0169ng cung c\u1ea5p c\u00e1c thu\u1eadt to\u00e1n b\u00f9 u\u1ed1n cho c\u00e1c v\u1eadt li\u1ec7u c\u1ee5 th\u1ec3 sau \u1edf g\u00f3c u\u1ed1n 90 \u0111\u1ed9. C\u00f4ng th\u1ee9c t\u00ednh c\u1ee5 th\u1ec3 nh\u01b0 sau:<\/p><p>Ch\u1ea5t li\u1ec7u \u0111\u1ed3ng m\u1ec1m ho\u1eb7c \u0111\u1ed3ng m\u1ec1m: BA=(0,55 * T)+(1,57 * R)<\/p><p>C\u00e1c v\u1eadt li\u1ec7u nh\u01b0 \u0111\u1ed3ng b\u00e1n c\u1ee9ng ho\u1eb7c \u0111\u1ed3ng thau, th\u00e9p m\u1ec1m v\u00e0 nh\u00f4m: BA=(0,64 * T)+(1,57 * R) C\u00e1c v\u1eadt li\u1ec7u nh\u01b0 \u0111\u1ed3ng thau, \u0111\u1ed3ng c\u1ee9ng, th\u00e9p c\u00e1n ngu\u1ed9i v\u00e0 th\u00e9p l\u00f2 xo: BA=(0,71 * T)+(1,57 * R) Tr\u00ean th\u1ef1c t\u1ebf, n\u1ebfu ch\u00fang ta \u0111\u01a1n gi\u1ea3n h\u00f3a ph\u01b0\u01a1ng tr\u00ecnh (7) v\u00e0 \u0111\u1eb7t g\u00f3c u\u1ed1n th\u00e0nh 90 \u0111\u1ed9 v\u00e0 t\u00ednh h\u1eb1ng s\u1ed1 th\u00ec ph\u01b0\u01a1ng tr\u00ecnh c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c chuy\u1ec3n th\u00e0nh:<\/p><p>BA=(1,57 * K * T)+(1,57 * R)<\/p><p>V\u00ec v\u1eady, \u0111\u1ed1i v\u1edbi v\u1eadt li\u1ec7u \u0111\u1ed3ng m\u1ec1m ho\u1eb7c \u0111\u1ed3ng m\u1ec1m, so s\u00e1nh c\u00f4ng th\u1ee9c t\u00ednh to\u00e1n tr\u00ean, ch\u00fang ta thu \u0111\u01b0\u1ee3c 1,57xK=0,55K=0,55\/1,57=0,35. C\u00f3 th\u1ec3 d\u1ec5 d\u00e0ng t\u00ednh to\u00e1n c\u00e1c gi\u00e1 tr\u1ecb h\u1ec7 s\u1ed1 k c\u1ee7a m\u1ed9t s\u1ed1 lo\u1ea1i v\u1eadt li\u1ec7u \u0111\u01b0\u1ee3c li\u1ec7t k\u00ea trong s\u00e1ch b\u1eb1ng c\u00e1ch s\u1eed d\u1ee5ng c\u00f9ng m\u1ed9t ph\u01b0\u01a1ng ph\u00e1p.<\/p><p>Ch\u1ea5t li\u1ec7u \u0111\u1ed3ng m\u1ec1m ho\u1eb7c \u0111\u1ed3ng m\u1ec1m: K=0,35.<\/p><p>C\u00e1c v\u1eadt li\u1ec7u nh\u01b0 \u0111\u1ed3ng b\u00e1n c\u1ee9ng ho\u1eb7c \u0111\u1ed3ng thau, th\u00e9p m\u1ec1m v\u00e0 nh\u00f4m: K=0,41.<\/p><p>C\u00e1c lo\u1ea1i v\u1eadt li\u1ec7u nh\u01b0 \u0111\u1ed3ng thau, \u0111\u1ed3ng c\u1ee9ng, th\u00e9p c\u00e1n ngu\u1ed9i, th\u00e9p l\u00f2 xo: K=0,45.<\/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-46040d2 elementor-widget-divider--view-line elementor-widget elementor-widget-divider\" data-id=\"46040d2\" 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-8b1fb88 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"8b1fb88\" 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-7e6bbb8\" data-id=\"7e6bbb8\" 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-bd5a701 elementor-widget elementor-widget-heading\" data-id=\"bd5a701\" 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\">Kh\u1ea5u tr\u1eeb u\u1ed1n cong 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-de42e94 elementor-widget elementor-widget-text-editor\" data-id=\"de42e94\" 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 u\u1ed1n t\u1ea5m kim lo\u1ea1i, do bi\u1ebfn d\u1ea1ng d\u1ebbo kh\u00f4ng ho\u00e0n to\u00e0n c\u1ee7a v\u1eadt li\u1ec7u v\u00e0 c\u00e1c h\u1ea1n ch\u1ebf v\u1ec1 c\u1ea5u tr\u00fac c\u1ee7a b\u1ea3n th\u00e2n m\u00e1y c\u00f4ng c\u1ee5, g\u00f3c v\u00e0 chi\u1ec1u d\u00e0i c\u1ee7a ph\u00f4i u\u1ed1n cong c\u00f3 th\u1ec3 sai l\u1ec7ch so v\u1edbi k\u00edch th\u01b0\u1edbc thi\u1ebft k\u1ebf. \u0110\u1ec3 \u0111\u1ea3m b\u1ea3o \u0111\u1ed9 ch\u00ednh x\u00e1c khi u\u1ed1n v\u00e0 k\u00edch th\u01b0\u1edbc ph\u00f4i \u0111\u1ea1t y\u00eau c\u1ea7u, c\u1ea7n xem x\u00e9t vi\u1ec7c kh\u1ea5u tr\u1eeb u\u1ed1n trong qu\u00e1 tr\u00ecnh s\u1ea3n xu\u1ea5t b\u1ea3n v\u1ebd, t\u1ee9c l\u00e0 gi\u1ea3m k\u00edch th\u01b0\u1edbc u\u1ed1n c\u1ea7n th\u1ef1c hi\u1ec7n.<\/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-89e97f1 elementor-widget elementor-widget-heading\" data-id=\"89e97f1\" 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\">\u0110\u1ecbnh ngh\u0129a kh\u1ea5u tr\u1eeb u\u1ed1n cong<\/h3>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-035b4ef elementor-widget elementor-widget-text-editor\" data-id=\"035b4ef\" 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>Suy ra \u0111\u1ed9 cong l\u00e0 chi\u1ec1u d\u00e0i c\u1ee7a v\u1eadt li\u1ec7u m\u00e0 ch\u00fang ta c\u1ea7n lo\u1ea1i b\u1ecf kh\u1ecfi t\u1ed5ng chi\u1ec1u d\u00e0i c\u1ee7a t\u1ea5m \u0111\u1ec3 c\u00f3 \u0111\u01b0\u1ee3c m\u1eabu ph\u1eb3ng ch\u00ednh x\u00e1c.<\/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-60ab50c elementor-widget elementor-widget-heading\" data-id=\"60ab50c\" 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\">Nguy\u00ean t\u1eafc kh\u1ea5u tr\u1eeb u\u1ed1n cong<\/h4>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-51bf74d elementor-widget elementor-widget-text-editor\" data-id=\"51bf74d\" 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 suy gi\u1ea3m u\u1ed1n l\u00e0 t\u1eadn d\u1ee5ng bi\u1ebfn d\u1ea1ng \u0111\u00e0n h\u1ed3i c\u1ee7a v\u1eadt li\u1ec7u sao cho chi\u1ec1u d\u00e0i v\u00e0 g\u00f3c sau u\u1ed1n \u0111\u00e1p \u1ee9ng \u0111\u01b0\u1ee3c y\u00eau c\u1ea7u thi\u1ebft k\u1ebf. Khi u\u1ed1n, t\u1ea5m kim lo\u1ea1i \u0111\u01b0\u1ee3c \u0111\u1eb7t tr\u00ean m\u00e1y u\u1ed1n, m\u00e1y t\u00e1c d\u1ee5ng l\u1ef1c u\u1ed1n \u0111\u1ec3 g\u00e2y ra bi\u1ebfn d\u1ea1ng \u0111\u00e0n h\u1ed3i c\u1ee7a t\u1ea5m kim lo\u1ea1i, d\u1eabn \u0111\u1ebfn thay \u0111\u1ed5i h\u00ecnh d\u1ea1ng v\u00e0 g\u00f3c, cu\u1ed1i c\u00f9ng tr\u1edf th\u00e0nh h\u00ecnh d\u1ea1ng mong mu\u1ed1n. Trong qu\u00e1 tr\u00ecnh n\u00e0y, vi\u1ec7c suy gi\u1ea3m u\u1ed1n c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c ki\u1ec3m so\u00e1t ch\u00ednh x\u00e1c b\u1eb1ng c\u00e1ch \u0111i\u1ec1u ch\u1ec9nh k\u00edch th\u01b0\u1edbc c\u1ee7a b\u1ea3n v\u1ebd, \u0111\u1ea1t \u0111\u01b0\u1ee3c \u0111\u1ed9 ch\u00ednh x\u00e1c v\u00e0 k\u00edch th\u01b0\u1edbc theo y\u00eau c\u1ea7u c\u1ee7a thi\u1ebft k\u1ebf.<\/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-163add4 elementor-widget elementor-widget-image\" data-id=\"163add4\" 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=\"312\" src=\"https:\/\/www.shen-chong.com\/wp-content\/uploads\/2024\/05\/bend-deduction-principle.jpg\" class=\"attachment-full size-full wp-image-2782\" alt=\"nguy\u00ean t\u1eafc kh\u1ea5u tr\u1eeb u\u1ed1n cong\" srcset=\"https:\/\/www.shen-chong.com\/wp-content\/uploads\/2024\/05\/bend-deduction-principle.jpg 650w, https:\/\/www.shen-chong.com\/wp-content\/uploads\/2024\/05\/bend-deduction-principle-300x144.jpg 300w, https:\/\/www.shen-chong.com\/wp-content\/uploads\/2024\/05\/bend-deduction-principle-18x9.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-8eeddbb elementor-widget elementor-widget-text-editor\" data-id=\"8eeddbb\" 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>Theo h\u00ecnh tr\u00ean, ph\u1ea7n suy gi\u1ea3m u\u1ed1n cong l\u00e0 ch\u00eanh l\u1ec7ch gi\u1eefa gi\u1edbi h\u1ea1n u\u1ed1n cong cho ph\u00e9p v\u00e0 g\u1ea5p \u0111\u00f4i kho\u1ea3ng l\u00f9i b\u00ean ngo\u00e0i.<\/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-85e39fc elementor-widget elementor-widget-heading\" data-id=\"85e39fc\" 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\">C\u00f4ng th\u1ee9c t\u00ednh to\u00e1n kh\u1ea5u tr\u1eeb u\u1ed1n cong<\/h4>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-aed427f elementor-widget elementor-widget-image\" data-id=\"aed427f\" 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=\"523\" height=\"76\" src=\"https:\/\/www.shen-chong.com\/wp-content\/uploads\/2024\/05\/bend-deduction-formula.jpg\" class=\"attachment-full size-full wp-image-2783\" alt=\"c\u00f4ng th\u1ee9c kh\u1ea5u tr\u1eeb u\u1ed1n cong\" srcset=\"https:\/\/www.shen-chong.com\/wp-content\/uploads\/2024\/05\/bend-deduction-formula.jpg 523w, https:\/\/www.shen-chong.com\/wp-content\/uploads\/2024\/05\/bend-deduction-formula-300x44.jpg 300w, https:\/\/www.shen-chong.com\/wp-content\/uploads\/2024\/05\/bend-deduction-formula-18x3.jpg 18w\" sizes=\"(max-width: 523px) 100vw, 523px\" \/>\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-f6f7d86 elementor-widget elementor-widget-text-editor\" data-id=\"f6f7d86\" 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>\u1ede \u0111\u00e2u:<\/p><p>OSSB \u2013 Kho\u1ea3ng l\u00f9i b\u00ean ngo\u00e0i (chi\u1ec1u d\u00e0i c\u1ee7a ph\u1ea7n v\u01b0\u1ee3t qu\u00e1 g\u00f3c u\u1ed1n).<\/p><p>R \u2013 B\u00e1n k\u00ednh u\u1ed1n cong<\/p><p>K \u2013 H\u1ec7 s\u1ed1 K (\u0111\u01b0\u1ee3c x\u00e1c \u0111\u1ecbnh b\u1edfi t\u00ednh ch\u1ea5t v\u00e0 \u0111\u1ed9 d\u00e0y c\u1ee7a v\u1eadt li\u1ec7u)<\/p><p>T \u2013 \u0110\u1ed9 d\u00e0y v\u1eadt li\u1ec7u<\/p><p>A \u2013 G\u00f3c u\u1ed1n mong mu\u1ed1n t\u00ednh b\u1eb1ng \u0111\u1ed9<\/p><p>Gi\u1ea3 s\u1eed ch\u00fang ta mu\u1ed1n u\u1ed1n m\u1ed9t t\u1ea5m th\u00e9p kh\u00f4ng g\u1ec9 d\u00e0y 2 mm th\u00e0nh m\u1ed9t g\u00f3c 90\u00b0 v\u1edbi b\u00e1n k\u00ednh u\u1ed1n cong b\u00ean trong l\u00e0 3 mm. H\u1ec7 s\u1ed1 K c\u1ee7a v\u1eadt li\u1ec7u n\u00e0y \u0111\u01b0\u1ee3c bi\u1ebft l\u00e0 0,44. H\u00e3y t\u00ednh to\u00e1n Kh\u1ea5u tr\u1eeb u\u1ed1n cong t\u1eebng b\u01b0\u1edbc:<\/p><ol><li>T\u00ednh ph\u1ee5 c\u1ea5p u\u1ed1n cong (BA):<\/li><\/ol><p>BA = \u03c0 * (R + K * T) * (A \/ 180)<\/p><p>Trong \u0111\u00f3 R l\u00e0 b\u00e1n k\u00ednh u\u1ed1n cong b\u00ean trong, K l\u00e0 h\u1ec7 s\u1ed1 K, T l\u00e0 \u0111\u1ed9 d\u00e0y t\u1ea5m v\u00e0 A l\u00e0 g\u00f3c u\u1ed1n.<\/p><p>C\u1eafm c\u00e1c gi\u00e1 tr\u1ecb:<\/p><p>BA = \u03c0 * (3 + 0,44 * 2) * (90\/180) = 4,39mm<\/p><ol start=\"2\"><li>T\u00ednh to\u00e1n kho\u1ea3ng l\u00f9i b\u00ean ngo\u00e0i (OSSB):<\/li><\/ol><p>OSSB = R + T = 3 + 2 = 5 mm<\/p><ol start=\"3\"><li>T\u00ednh to\u00e1n kh\u1ea5u tr\u1eeb u\u1ed1n cong (BD):<\/li><\/ol><p>BD = 2 * OSSB \u2013 BA<\/p><p>C\u1eafm c\u00e1c gi\u00e1 tr\u1ecb:<\/p><p>BD = 2 * 5 \u2013 4,39 = 5,61mm<\/p><p>Do \u0111\u00f3, \u0111\u1ec3 \u0111\u1ea1t \u0111\u01b0\u1ee3c g\u00f3c u\u1ed1n 90\u00b0 v\u1edbi b\u00e1n k\u00ednh u\u1ed1n cong b\u00ean trong l\u00e0 3 mm tr\u00ean t\u1ea5m th\u00e9p kh\u00f4ng g\u1ec9 d\u00e0y 2 mm n\u00e0y, ch\u00fang ta c\u1ea7n \u0111\u1eb7t Kh\u1ea5u tr\u1eeb u\u1ed1n cong th\u00e0nh 5,61mm trong qu\u00e1 tr\u00ecnh u\u1ed1n.<\/p><p>\u0110i\u1ec1u n\u00e0y c\u00f3 ngh\u0129a l\u00e0 ch\u00fang ta c\u1ea7n u\u1ed1n t\u1ea5m qu\u00e1 m\u1ee9c 5,61mm \u0111\u1ec3 b\u00f9 l\u1ea1i \u0111\u1ed9 \u0111\u00e0n h\u1ed3i sau khi u\u1ed1n, cu\u1ed1i c\u00f9ng \u0111\u1ea1t \u0111\u01b0\u1ee3c g\u00f3c u\u1ed1n 90\u00b0 nh\u01b0 mong mu\u1ed1n.<\/p><p>Vi\u1ec7c t\u00ednh to\u00e1n kh\u1ea5u tr\u1eeb u\u1ed1n cong c\u00f3 th\u1ec3 gi\u00fap x\u00e1c \u0111\u1ecbnh k\u00edch th\u01b0\u1edbc b\u1ed9 ph\u1eadn tr\u01b0\u1edbc khi u\u1ed1n, cho ph\u00e9p l\u1eadp k\u1ebf ho\u1ea1ch s\u1ea3n xu\u1ea5t t\u1ed1t h\u01a1n v\u00e0 gi\u1ea3m l\u00e3ng ph\u00ed 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-8f08ff0 elementor-widget elementor-widget-heading\" data-id=\"8f08ff0\" 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\">Ch\u1ee9c n\u0103ng ch\u00ednh c\u1ee7a kh\u1ea5u tr\u1eeb u\u1ed1n<\/h4>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-bafe19f elementor-widget elementor-widget-text-editor\" data-id=\"bafe19f\" 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>\u0110\u1ea3m b\u1ea3o \u0111\u1ed9 ch\u00ednh x\u00e1c u\u1ed1n. Kh\u1ea5u tr\u1eeb u\u1ed1n c\u00f3 th\u1ec3 ki\u1ec3m so\u00e1t chi\u1ec1u d\u00e0i v\u00e0 g\u00f3c c\u1ee7a t\u1ea5m kim lo\u1ea1i u\u1ed1n cong, t\u1eeb \u0111\u00f3 \u0111\u1ea3m b\u1ea3o r\u1eb1ng c\u00e1c b\u1ed9 ph\u1eadn kim lo\u1ea1i t\u1ea5m \u0111\u01b0\u1ee3c s\u1ea3n xu\u1ea5t \u0111\u00e1p \u1ee9ng c\u00e1c y\u00eau c\u1ea7u v\u1ec1 k\u00edch th\u01b0\u1edbc v\u00e0 \u0111\u1ed9 ch\u00ednh x\u00e1c c\u1ee7a thi\u1ebft k\u1ebf.<\/li><li>C\u1ea3i thi\u1ec7n hi\u1ec7u qu\u1ea3 x\u1eed l\u00fd. Thi\u1ebft k\u1ebf lo\u1ea1i b\u1ecf u\u1ed1n kh\u00f4ng ch\u1ec9 l\u00e0m gi\u1ea3m quy m\u00f4 s\u1ea3n xu\u1ea5t m\u00e0 c\u00f2n tr\u00e1nh \u0111\u01b0\u1ee3c c\u00e1c th\u00ed nghi\u1ec7m v\u00e0 \u0111i\u1ec1u ch\u1ec9nh l\u1eb7p \u0111i l\u1eb7p l\u1ea1i, t\u1eeb \u0111\u00f3 n\u00e2ng cao hi\u1ec7u qu\u1ea3 ch\u1ebf t\u1ea1o c\u00e1c b\u1ed9 ph\u1eadn kim lo\u1ea1i t\u1ea5m.<\/li><li>Gi\u1ea3m ch\u1ea5t th\u1ea3i v\u1eadt li\u1ec7u. B\u1eb1ng c\u00e1ch s\u1eed d\u1ee5ng kh\u1ea3 n\u0103ng kh\u1ea5u tr\u1eeb u\u1ed1n \u0111\u1ec3 ki\u1ec3m so\u00e1t k\u00edch th\u01b0\u1edbc, c\u00f3 th\u1ec3 tr\u00e1nh \u0111\u01b0\u1ee3c vi\u1ec7c x\u1eed l\u00fd qu\u00e1 m\u1ee9c ho\u1eb7c l\u00e3ng ph\u00ed v\u1eadt li\u1ec7u, t\u1eeb \u0111\u00f3 gi\u1ea3m chi ph\u00ed v\u00e0 n\u00e2ng cao hi\u1ec7u qu\u1ea3 s\u1ea3n xu\u1ea5t.<\/li><\/ol><p>N\u00f3i t\u00f3m l\u1ea1i, kh\u1ea5u tr\u1eeb u\u1ed1n l\u00e0 m\u1ed9t m\u1eaft x\u00edch r\u1ea5t quan tr\u1ecdng trong qu\u00e1 tr\u00ecnh gia c\u00f4ng kim lo\u1ea1i t\u1ea5m, \u0111\u1ed3ng th\u1eddi n\u00f3 c\u0169ng l\u00e0 ch\u00eca kh\u00f3a \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o ch\u1ea5t l\u01b0\u1ee3ng v\u00e0 \u0111\u1ed9 ch\u00ednh x\u00e1c c\u1ee7a th\u00e0nh ph\u1ea9m. Trong qu\u00e1 tr\u00ecnh x\u1eed l\u00fd th\u1ef1c t\u1ebf, gi\u00e1 tr\u1ecb kh\u1ea5u tr\u1eeb u\u1ed1n ph\u1ea3i \u0111\u01b0\u1ee3c \u0111i\u1ec1u ch\u1ec9nh h\u1ee3p l\u00fd t\u00f9y theo t\u00ecnh h\u00ecnh c\u1ee5 th\u1ec3 \u0111\u1ec3 \u0111\u1ea1t \u0111\u01b0\u1ee3c hi\u1ec7u qu\u1ea3 x\u1eed l\u00fd t\u1ed1t nh\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-ee7509b elementor-widget-divider--view-line elementor-widget elementor-widget-divider\" data-id=\"ee7509b\" 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-8b38b40 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"8b38b40\" 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-309117f\" data-id=\"309117f\" 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-6b60e00 elementor-widget elementor-widget-heading\" data-id=\"6b60e00\" 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\u1eadt li\u1ec7u c\u00f3 ph\u1ee5 c\u1ea5p u\u1ed1n cong kh\u00e1c nhau<\/h2>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-560debf elementor-widget elementor-widget-heading\" data-id=\"560debf\" 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\">Kim lo\u1ea1i n\u00e0o c\u00f3 th\u1ec3 u\u1ed1n cong t\u1ed1t?<\/h3>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-a1541a4 elementor-widget elementor-widget-text-editor\" data-id=\"a1541a4\" 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\u1ea5t c\u1ea3 c\u00e1c kim lo\u1ea1i \u0111\u1ec1u c\u00f3 \u0111\u1ed9 \u0111\u00e0n h\u1ed3i nh\u1ea5t \u0111\u1ecbnh. M\u1ed9t s\u1ed1 kim lo\u1ea1i c\u00f3 t\u00ednh \u0111\u00e0n h\u1ed3i cao h\u01a1n c\u00e1c kim lo\u1ea1i kh\u00e1c v\u00e0 c\u00f3 th\u1ec3 \u0111\u1ea1t \u0111\u01b0\u1ee3c gi\u1edbi h\u1ea1n u\u1ed1n l\u1edbn h\u01a1n so v\u1edbi c\u00e1c v\u1eadt li\u1ec7u kh\u00e1c. Kim lo\u1ea1i \u0111\u01b0\u1ee3c x\u1ebfp h\u1ea1ng theo m\u00f4 \u0111un \u0111\u00e0n h\u1ed3i c\u1ee7a ch\u00fang, \u0111\u00f3 l\u00e0 t\u1ef7 l\u1ec7 gi\u1eefa \u1ee9ng su\u1ea5t v\u00e0 bi\u1ebfn d\u1ea1ng trong bi\u1ebfn d\u1ea1ng kim lo\u1ea1i. M\u00f4 \u0111un \u0111\u00e0n h\u1ed3i c\u0169ng l\u00e0 ph\u01b0\u01a1ng ti\u1ec7n \u0111o \u0111\u1ed9 c\u1ee9ng c\u1ee7a v\u1eadt li\u1ec7u ho\u1eb7c \u0111\u1ed9 b\u1ec1n \u0111\u00e0n h\u1ed3i. C\u00e1c v\u1eadt li\u1ec7u kh\u00e1c nh\u01b0 cao su v\u00e0 th\u1ee7y tinh c\u0169ng c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c t\u00ednh to\u00e1n theo c\u00e1ch t\u01b0\u01a1ng t\u1ef1.<\/p><p>\u0110i\u1ec1u \u0111\u00e1ng ng\u1ea1c nhi\u00ean l\u00e0 m\u1ed9t trong nh\u1eefng kim lo\u1ea1i \u0111\u00e0n h\u1ed3i nh\u1ea5t l\u00e0 niken titan, c\u00f2n \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 niken titan, v\u1edbi \u00e1p su\u1ea5t 28 GPa. N\u00f3 c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c si\u1ebft ch\u1eb7t nhi\u1ec1u l\u1ea7n \u1edf m\u1ee9c \u0111\u1ed9 l\u1edbn m\u00e0 kh\u00f4ng b\u1ecb coi l\u00e0 bi\u1ebfn d\u1ea1ng. Trong s\u1ed1 c\u00e1c lo\u1ea1i kim lo\u1ea1i ph\u1ed5 bi\u1ebfn, kim lo\u1ea1i \u0111\u00e0n h\u1ed3i l\u1edbn th\u1ee9 hai bao g\u1ed3m 45 GPa c\u1ee7a thi\u1ebfc, magie, cadmium v\u00e0 69 GPa c\u1ee7a nh\u00f4m. T\u1ea5t nhi\u00ean, nh\u00f4m \u0111\u01b0\u1ee3c bi\u1ebft \u0111\u1ebfn v\u1edbi tr\u1ecdng l\u01b0\u1ee3ng nh\u1eb9 v\u00e0 kh\u1ea3 n\u0103ng u\u1ed1n cong, nh\u01b0ng x\u00e9t v\u1ec1 kim lo\u1ea1i nguy\u00ean ch\u1ea5t, bao g\u1ed3m c\u1ea3 h\u1ee3p kim, c\u00f3 m\u1ed9t s\u1ed1 kim lo\u1ea1i c\u00f3 th\u1ec3 v\u01b0\u1ee3t qua n\u00f3 v\u1ec1 m\u1eb7t 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-ee44e3a elementor-widget elementor-widget-heading\" data-id=\"ee44e3a\" 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\">Kim lo\u1ea1i n\u00e0o kh\u00f4ng th\u1ec3 u\u1ed1n cong t\u1ed1t ho\u1eb7c s\u1ebd b\u1ecb g\u00e3y khi u\u1ed1n cong qu\u00e1 xa?<\/h3>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-d8b8e64 elementor-widget elementor-widget-text-editor\" data-id=\"d8b8e64\" 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>Nh\u01b0 \u0111\u00e3 bi\u1ebft, h\u1ea7u h\u1ebft c\u00e1c kim lo\u1ea1i \u0111\u1ec1u r\u1ea5t c\u1ee9ng, n\u1ebfu v\u1eadt li\u1ec7u kh\u00f4ng b\u1ecb u\u1ed1n cong th\u00ec ch\u1eafc ch\u1eafn khi u\u1ed1n cong n\u00f3 s\u1ebd b\u1ecb g\u00e3y. Trong s\u1ed1 t\u1ea5t c\u1ea3 c\u00e1c h\u1ee3p kim, vonfram l\u00e0 kim lo\u1ea1i c\u1ee9ng nh\u1ea5t, \u0111\u1ea1t t\u1edbi 411 GPa. Ngay c\u1ea3 \u1edf d\u1ea1ng m\u1ecfng nh\u1ea5t, vonfram v\u1eabn kh\u00f3 u\u1ed1n cong n\u00ean c\u00f3 kh\u1ea3 n\u0103ng v\u1ee1 nh\u01b0 th\u1ee7y tinh. Kim lo\u1ea1i c\u1ee9ng th\u1ee9 hai l\u00e0 \u0111\u1ed3ng berili 304GPa. Crom l\u00e0 v\u1eadt li\u1ec7u \u0111\u01b0\u1ee3c t\u00ecm th\u1ea5y trong kim c\u01b0\u01a1ng v\u00e0 c\u00e1c lo\u1ea1i \u0111\u00e1 qu\u00fd kh\u00e1c, \u0111\u1ee9ng th\u1ee9 ba v\u1edbi 279 GPa. S\u1eaft r\u00e8n v\u00e0 coban \u0111\u1ec1u c\u00f3 211 GPa. \u1ede 210GPa, b\u1ea1n c\u00f3 nhi\u1ec1u t\u1ea5m kim lo\u1ea1i ph\u1ed5 bi\u1ebfn h\u01a1n, ch\u1eb3ng h\u1ea1n nh\u01b0 th\u00e9p, th\u00e9p kh\u00f4ng g\u1ec9, coban v\u00e0 niken. Nh\u01b0 b\u1ea1n \u0111\u00e3 bi\u1ebft, h\u1ea7u h\u1ebft c\u00e1c kim lo\u1ea1i \u0111\u1ec1u \u0111\u01b0\u1ee3c coi l\u00e0 r\u1ea5t c\u1ee9ng, nh\u01b0ng nh\u01b0 \u0111\u00e3 \u0111\u1ec1 c\u1eadp tr\u01b0\u1edbc \u0111\u00f3, m\u1ed9t s\u1ed1 kim lo\u1ea1i kh\u00f4ng c\u1ee9ng b\u1eb1ng nh\u1eefng kim lo\u1ea1i kh\u00e1c.<\/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-79c4f81 elementor-widget-divider--view-line elementor-widget elementor-widget-divider\" data-id=\"79c4f81\" 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-11627b9 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"11627b9\" 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-77554ef\" data-id=\"77554ef\" 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-cd896eb elementor-widget elementor-widget-heading\" data-id=\"cd896eb\" 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-7b1b0f4 elementor-widget elementor-widget-text-editor\" data-id=\"7b1b0f4\" 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>H\u1ec7 s\u1ed1 K, c\u00f2n \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 h\u1ec7 s\u1ed1 b\u00e1n k\u00ednh u\u1ed1n cong, t\u00ednh \u0111\u1ebfn xu h\u01b0\u1edbng c\u1ee7a v\u1eadt li\u1ec7u b\u1ecb gi\u00e3n ra \u1edf b\u1ec1 m\u1eb7t b\u00ean ngo\u00e0i v\u00e0 n\u00e9n \u1edf b\u1ec1 m\u1eb7t b\u00ean trong trong qu\u00e1 tr\u00ecnh u\u1ed1n.<\/p><p>Vi\u1ec7c t\u00ednh to\u00e1n \u0111\u00fang h\u1ec7 s\u1ed1 K r\u1ea5t quan tr\u1ecdng \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh v\u1ecb tr\u00ed tr\u1ee5c trung h\u00f2a v\u00e0 gi\u1ea3m thi\u1ec3u c\u00e1c khuy\u1ebft t\u1eadt ti\u1ec1m \u1ea9n nh\u01b0 n\u1ee9t ho\u1eb7c nh\u0103n.<\/p><p>Ph\u1ee5 c\u1ea5p u\u1ed1n cong \u0111\u1ec1 c\u1eadp \u0111\u1ebfn v\u1eadt li\u1ec7u b\u1ed5 sung c\u1ea7n thi\u1ebft \u0111\u1ec3 ph\u00f9 h\u1ee3p v\u1edbi b\u00e1n k\u00ednh u\u1ed1n cong, ng\u0103n ch\u1eb7n s\u1ef1 k\u00e9o d\u00e0i ho\u1eb7c n\u00e9n qu\u00e1 m\u1ee9c c\u1ee7a v\u1eadt li\u1ec7u.<\/p><p>Vi\u1ec7c t\u00ednh to\u00e1n ch\u00ednh x\u00e1c dung sai u\u1ed1n cong l\u00e0 r\u1ea5t quan tr\u1ecdng \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o k\u00edch th\u01b0\u1edbc b\u1ed9 ph\u1eadn cu\u1ed1i c\u00f9ng ph\u00f9 h\u1ee3p v\u1edbi th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt thi\u1ebft k\u1ebf.<\/p><p>M\u1eb7t kh\u00e1c, vi\u1ec7c suy gi\u1ea3m \u0111\u1ed9 u\u1ed1n s\u1ebd b\u00f9 \u0111\u1eafp cho hi\u1ec7u \u1ee9ng \u0111\u00e0n h\u1ed3i ng\u01b0\u1ee3c c\u1ee7a v\u1eadt li\u1ec7u, trong \u0111\u00f3 ph\u1ea7n b\u1ecb u\u1ed1n cong c\u00f3 xu h\u01b0\u1edbng kh\u00f4ng u\u1ed1n cong m\u1ed9t ph\u1ea7n sau khi lo\u1ea1i b\u1ecf l\u1ef1c u\u1ed1n.<\/p><p>T\u00ednh to\u00e1n kh\u1ea5u tr\u1eeb u\u1ed1n cong l\u00e0 \u0111i\u1ec1u c\u1ea7n thi\u1ebft \u0111\u1ec3 \u0111\u1ea1t \u0111\u01b0\u1ee3c g\u00f3c u\u1ed1n mong mu\u1ed1n v\u00e0 duy tr\u00ec \u0111\u1ed9 ch\u00ednh x\u00e1c v\u1ec1 k\u00edch th\u01b0\u1edbc.<\/p><p>B\u1eb1ng c\u00e1ch hi\u1ec3u v\u00e0 \u00e1p d\u1ee5ng \u0111\u00fang c\u00e1c y\u1ebfu t\u1ed1 thi\u1ebft y\u1ebfu n\u00e0y, b\u1ea1n c\u00f3 th\u1ec3 t\u1ed1i \u01b0u h\u00f3a quy tr\u00ecnh ch\u1ea5n, gi\u1ea3m thi\u1ec3u l\u00e3ng ph\u00ed v\u1eadt li\u1ec7u v\u00e0 li\u00ean t\u1ee5c s\u1ea3n xu\u1ea5t c\u00e1c b\u1ed9 ph\u1eadn u\u1ed1n cong ch\u1ea5t l\u01b0\u1ee3ng cao, \u0111\u00e1p \u1ee9ng c\u00e1c y\u00eau c\u1ea7u nghi\u00eam ng\u1eb7t nh\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-439923d elementor-widget elementor-widget-text-editor\" data-id=\"439923d\" 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>Nh\u1eefng b\u00e0i vi\u1ebft li\u00ean quan:<\/strong><\/p><p><a href=\"https:\/\/www.shen-chong.com\/vi\/press-brake-tonnage-calculator-for-users\/\" target=\"_blank\" rel=\"noopener\">T\u00ednh to\u00e1n tr\u1ecdng t\u1ea3i phanh \u00e9p<\/a>\u00a0<\/p><p><a href=\"https:\/\/www.shen-chong.com\/vi\/top-8-china-laser-cutting-machine-brands-ranking\/\" target=\"_blank\" rel=\"noopener\">8 nh\u00e0 s\u1ea3n xu\u1ea5t m\u00e1y c\u1eaft Laser h\u00e0ng \u0111\u1ea7u<\/a><\/p><p><a href=\"https:\/\/www.shen-chong.com\/vi\/top-12-cnc-machine-manufacturers\/\" target=\"_blank\" rel=\"noopener\">12 nh\u00e0 s\u1ea3n xu\u1ea5t m\u00e1y CNC h\u00e0ng \u0111\u1ea7u<\/a><\/p><p><a href=\"https:\/\/www.shen-chong.com\/vi\/top-china-press-brake-machine-brands-ranking\/\" target=\"_blank\" rel=\"noopener\">X\u1ebfp h\u1ea1ng th\u01b0\u01a1ng hi\u1ec7u m\u00e1y phanh \u00e9p h\u00e0ng \u0111\u1ea7u Trung Qu\u1ed1c<\/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>M\u1ee5c l\u1ee5c Gi\u1edbi thi\u1ec7u Vi\u1ec7c t\u00ednh to\u00e1n h\u1ec7 s\u1ed1 K ch\u00ednh x\u00e1c, dung sai u\u1ed1n cong v\u00e0 kh\u1ea5u tr\u1eeb u\u1ed1n cong l\u00e0 r\u1ea5t quan tr\u1ecdng \u0111\u1ec3 c\u00f3 \u0111\u01b0\u1ee3c b\u1ed9 ph\u1eadn ho\u00e0n thi\u1ec7n c\u00f3 ch\u1ea5t l\u01b0\u1ee3ng t\u1ed1t t\u1eeb phanh \u00e9p th\u1ee7y l\u1ef1c c\u1ee7a b\u1ea1n. Ki\u1ebfn th\u1ee9c v\u00e0 k\u1ef9 thu\u1eadt v\u1ec1 m\u00e1y ch\u1ea5n l\u00e0 n\u1ec1n t\u1ea3ng c\u01a1 b\u1ea3n, c\u00f3 vai tr\u00f2 t\u1ed1i quan tr\u1ecdng \u0111\u1ec3 gi\u00fap b\u1ea1n s\u1eed d\u1ee5ng n\u00f3 trong s\u1ea3n xu\u1ea5t. T\u00ednh chi\u1ec1u d\u00e0i m\u1eabu ph\u1eb3ng t\u1eeb [\u2026]<\/p>","protected":false},"author":1,"featured_media":2773,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-2772","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-news-events"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v22.3 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>What Are The K Factor, Bend Allowance, And Bend Deduction? - SC Machinery<\/title>\n<meta name=\"description\" content=\"Bend allowance, K factor and bend deduction are critical value during the bending process. 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