{"id":100027,"date":"2026-02-15T20:07:08","date_gmt":"2026-02-15T20:07:08","guid":{"rendered":"https:\/\/vibromera.eu\/?post_type=calculator&#038;p=100027"},"modified":"2026-07-11T19:30:58","modified_gmt":"2026-07-11T19:30:58","slug":"bearing-removal-force","status":"publish","type":"calculator","link":"https:\/\/vibromera.eu\/vi\/calculators\/bearing-removal-force\/","title":{"rendered":"C\u00f4ng c\u1ee5 t\u00ednh to\u00e1n l\u1ef1c th\u00e1o v\u00f2ng bi | Ph\u01b0\u01a1ng tr\u00ecnh Lam\u00e9 | C\u00f4ng c\u1ee5 tr\u1ef1c tuy\u1ebfn mi\u1ec5n ph\u00ed"},"content":{"rendered":"\r\n<script type=\"application\/ld+json\">{\"@context\":\"https:\/\/schema.org\",\"@type\":\"WebApplication\",\"name\":\"Bearing Removal Force Calculator\",\"description\":\"Estimate idealized axial sliding resistance for a same-material solid shaft and thick-walled fitted ring using an elastic Lam\u00e9 model and a user-validated friction coefficient.\",\"url\":\"https:\/\/vibromera.eu\/calculators\/bearing-removal-force\/\",\"applicationCategory\":\"Engineering Calculator\",\"operatingSystem\":\"Any\",\"offers\":{\"@type\":\"Offer\",\"price\":\"0\",\"priceCurrency\":\"EUR\"},\"creator\":{\"@type\":\"Organization\",\"name\":\"Vibromera\",\"url\":\"https:\/\/vibromera.eu\/\"},\"datePublished\":\"2025-01-01\",\"dateModified\":\"2026-07-11\",\"inLanguage\":\"en\",\"isAccessibleForFree\":true}<\/script>\r\n\r\n<script type=\"application\/ld+json\">{\"@context\":\"https:\/\/schema.org\",\"@type\":\"FAQPage\",\"mainEntity\":[\r\n{\"@type\":\"Question\",\"name\":\"What does the calculated force represent?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"It is the idealized axial sliding resistance F = p \u00d7 \u03c0 \u00d7 d \u00d7 L \u00d7 \u03bc for the stated uniform elastic fit. It is not a guaranteed puller load or peak breakaway force.\"}},\r\n{\"@type\":\"Question\",\"name\":\"What friction coefficient should I use?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Use a coefficient validated for the actual material pair, surface condition, lubricant, contact pressure and whether breakaway or sliding resistance is required. The result is directly proportional to \u03bc.\"}},\r\n{\"@type\":\"Question\",\"name\":\"How can I reduce the removal force?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Heat the outer ring (or housing) to expand it, or cool the shaft. Oil injection through a groove can also create a hydraulic release. Purpose-built bearing pullers distribute the force evenly.\"}},\r\n{\"@type\":\"Question\",\"name\":\"What geometry does the Lam\u00e9 model require?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Dr must be the actual outer material boundary of the fitted thick ring. Do not substitute the overall outside diameter of an assembled rolling bearing; its outer ring and rolling elements are not a continuous hub around the shaft fit.\"}},\r\n{\"@type\":\"Question\",\"name\":\"Can this result determine bearing reuse?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"No. Reuse requires inspection and acceptance criteria from the bearing or machine manufacturer. The force estimate cannot reveal raceway damage, fretting, corrosion, plastic deformation or contamination.\"}}\r\n]}<\/script>\r\n\r\n<script type=\"application\/ld+json\">{\"@context\":\"https:\/\/schema.org\",\"@type\":\"BreadcrumbList\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\/\/vibromera.eu\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Calculators\",\"item\":\"https:\/\/vibromera.eu\/calculators\/\"},{\"@type\":\"ListItem\",\"position\":3,\"name\":\"Bearing Removal Force\",\"item\":\"https:\/\/vibromera.eu\/calculators\/bearing-removal-force\/\"}]}<\/script>\r\n\r\n<link rel=\"preconnect\" href=\"https:\/\/fonts.googleapis.com\">\r\n\r\n<link rel=\"preconnect\" href=\"https:\/\/fonts.gstatic.com\" crossorigin>\r\n\r\n<link 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a:hover{text-decoration:underline}.vc-footer-links{margin-top:8px;font-size:12px}.vc-footer-links a{margin:0 8px}@media print{.vc-section-body{max-height:none!important}.vc-faq-a{max-height:none!important}.vc-results{max-height:none!important;padding:24px!important}.vc-copy-btn,.vc-section-chevron,.vc-faq-chevron,.vc-presets,.vc-promo{display:none!important}}<\/style>\r\n\r\n<div class=\"vc-calculator\">\r\n<header class=\"vc-header\"><p class=\"vc-header-eyebrow\">Free Engineering Tool #056<\/p><h1 class=\"vc-header-title\">Bearing Removal (Extraction) Force Calculator<\/h1><p class=\"vc-header-subtitle\">Estimate idealized axial sliding resistance for a same-material solid shaft and thick-walled fitted ring. Actual peak extraction force can differ substantially.<\/p><div class=\"vc-badges\"><span class=\"vc-badge\">Lam\u00e9 Equations<\/span><span class=\"vc-badge\">Interference Fit<\/span><span class=\"vc-badge\">Extraction Force<\/span><\/div><\/header>\r\n<div class=\"vc-card\">\r\n    <form class=\"vc-form\" id=\"vc-form\" autocomplete=\"off\">\r\n        <div class=\"vc-form-grid\">\r\n            <div class=\"vc-field\"><label class=\"vc-label\" for=\"vc-d\">Nominal Bore d <span class=\"vc-label-hint\">(mm)<\/span><\/label><input class=\"vc-input\" type=\"text\" id=\"vc-d\" inputmode=\"decimal\" autocomplete=\"off\" value=\"50\"><\/div>\r\n            <div class=\"vc-field\"><label class=\"vc-label\" for=\"vc-delta\">Diametral Interference \u03b4 <span class=\"vc-label-hint\">(mm, e.g. 0.020)<\/span><\/label><input class=\"vc-input\" type=\"text\" id=\"vc-delta\" inputmode=\"decimal\" autocomplete=\"off\" value=\"0.020\"><\/div>\r\n            <div class=\"vc-field\"><label class=\"vc-label\" for=\"vc-L\">Contact Length <span class=\"vc-label-hint\">(mm)<\/span><\/label><input class=\"vc-input\" type=\"text\" id=\"vc-L\" inputmode=\"decimal\" autocomplete=\"off\" value=\"18\"><\/div>\r\n            <div class=\"vc-field\"><label class=\"vc-label\" for=\"vc-Do\">Fitted Ring Outer Diameter D<sub>r<\/sub> <span class=\"vc-label-hint\">(mm; ring material boundary)<\/span><\/label><input class=\"vc-input\" type=\"text\" id=\"vc-Do\" inputmode=\"decimal\" autocomplete=\"off\" value=\"80\"><\/div>\r\n            <div class=\"vc-field\"><label class=\"vc-label\" for=\"vc-mu\">Friction Coefficient \u03bc <span class=\"vc-label-hint\">(validated breakaway\/sliding value)<\/span><\/label><input class=\"vc-input\" type=\"text\" id=\"vc-mu\" inputmode=\"decimal\" autocomplete=\"off\" value=\"0.15\"><\/div>\r\n            <div class=\"vc-field\"><label class=\"vc-label\" for=\"vc-E\">Young&#8217;s Modulus E <span class=\"vc-label-hint\">(GPa; same material for shaft and ring)<\/span><\/label><input class=\"vc-input\" type=\"text\" id=\"vc-E\" inputmode=\"decimal\" autocomplete=\"off\" value=\"210\"><\/div>\r\n        <\/div>\r\n        <div class=\"vc-presets\"><div class=\"vc-presets-label\">Quick presets<\/div>\r\n            <button type=\"button\" class=\"vc-preset-btn\" data-d=\"50\" data-delta=\"0.020\" data-l=\"18\" data-do=\"80\" data-mu=\"0.15\" data-e=\"210\">Example A \u00b7 stated geometry \u00b7 \u03bc 0.15<\/button>\r\n            <button type=\"button\" class=\"vc-preset-btn\" data-d=\"80\" data-delta=\"0.030\" data-l=\"23\" data-do=\"140\" data-mu=\"0.15\" data-e=\"210\">Example B \u00b7 stated geometry \u00b7 \u03bc 0.15<\/button>\r\n            <button type=\"button\" class=\"vc-preset-btn\" data-d=\"30\" data-delta=\"0.015\" data-l=\"14\" data-do=\"62\" data-mu=\"0.12\" data-e=\"210\">Example C \u00b7 stated geometry \u00b7 \u03bc 0.12<\/button>\r\n        <\/div>\r\n        <div class=\"vc-warning-box\"><p><strong>Model boundary:<\/strong> same-material isotropic solid shaft and concentric thick-walled ring, uniform elastic interference and constant \u03bc. Real peak extraction may include static breakaway, fretting, corrosion, shoulders, edge effects, misalignment and plasticity; use the component manufacturer\u2019s method for tool sizing.<\/p><\/div>\r\n    <\/form>\r\n    <div class=\"vc-results\" id=\"vc-results\">\r\n        <div class=\"vc-results-head\"><h2 class=\"vc-results-title\">Results<\/h2><button type=\"button\" class=\"vc-copy-btn\" id=\"vc-copy-btn\"><svg width=\"14\" height=\"14\" viewBox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2\"><rect x=\"9\" y=\"9\" width=\"13\" height=\"13\" rx=\"2\"\/><path d=\"M5 15H4a2 2 0 01-2-2V4a2 2 0 012-2h9a2 2 0 012-2v1\"\/><\/svg> Copy<\/button><\/div>\r\n        <div class=\"vc-result-grid\">\r\n            <div class=\"vc-rcard vc-rcard-primary\"><div class=\"vc-rcard-label\">Idealized Axial Sliding Resistance<\/div><div class=\"vc-rcard-value\" id=\"vc-r-F\">\u2014<\/div><\/div>\r\n            <div class=\"vc-rcard\"><div class=\"vc-rcard-label\">Interface Pressure p<\/div><div class=\"vc-rcard-value\" id=\"vc-r-p\">\u2014<\/div><\/div>\r\n            <div class=\"vc-rcard\"><div class=\"vc-rcard-label\">Ratio d\/D<sub>r<\/sub><\/div><div class=\"vc-rcard-value\" id=\"vc-r-ratio\">\u2014<\/div><\/div>\r\n            <div class=\"vc-rcard\"><div class=\"vc-rcard-label\">Equivalent tonne-force<\/div><div class=\"vc-rcard-value\" id=\"vc-r-tons\">\u2014<\/div><\/div>\r\n        <\/div>\r\n    <\/div>\r\n<\/div>\r\n<div class=\"vc-section vc-open\" id=\"vc-sec-theory\"><button type=\"button\" class=\"vc-section-toggle\" aria-expanded=\"true\"><span class=\"vc-section-toggle-text\"><span class=\"vc-section-icon\">\ud83d\udcd8<\/span><span class=\"vc-section-title\">Theory &amp; Formulas<\/span><\/span><svg class=\"vc-section-chevron\" viewBox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2\"><path d=\"M6 9l6 6 6-6\"\/><\/svg><\/button>\r\n    <div class=\"vc-section-body\"><div class=\"vc-section-inner vc-theory\">\r\n        <h3>Interface Pressure (Lam\u00e9)<\/h3><p>Special case for a solid shaft and thick ring of the same isotropic material under the simplified open-ended elastic model:<\/p>\r\n        <div class=\"vc-formula-box\" id=\"vc-katex-1\"><\/div>\r\n        <ul><li><strong>\u03b4<\/strong> \u2014 diametral interference (mm)<\/li><li><strong>d<\/strong> \u2014 nominal interface diameter (mm)<\/li><li><strong>D<sub>r<\/sub><\/strong> \u2014 actual outer material boundary of the fitted ring (mm), not overall bearing OD<\/li><li><strong>E<\/strong> \u2014 Young&#8217;s modulus (MPa)<\/li><\/ul>\r\n        <h3>Removal Force<\/h3><div class=\"vc-formula-box\" id=\"vc-katex-2\"><\/div>\r\n        <div class=\"vc-warning-box\"><p style=\"margin:0;font-size:14px;color:var(--vc-ink-secondary);\"><strong>\u26a0\ufe0f Interpretation:<\/strong> F = p\u03c0dL\u03bc is a uniform-contact friction estimate. No universal error band applies; uncertainty in geometry, interference after roughness, \u03bc and interface condition must be evaluated for the actual removal process.<\/p><\/div>\r\n    <\/div><\/div>\r\n<\/div>\r\n<div class=\"vc-section\" id=\"vc-sec-related\"><button type=\"button\" class=\"vc-section-toggle\" aria-expanded=\"false\"><span class=\"vc-section-toggle-text\"><span class=\"vc-section-icon\">\ud83d\udd17<\/span><span class=\"vc-section-title\">Related Calculators<\/span><\/span><svg class=\"vc-section-chevron\" viewBox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2\"><path d=\"M6 9l6 6 6-6\"\/><\/svg><\/button>\r\n    <div class=\"vc-section-body\"><div class=\"vc-section-inner\"><div class=\"vc-related\"><a class=\"vc-related-link\" href=\"\/calculators\/bearing-press-fit-force\/\">Press-Fit Force<\/a><a class=\"vc-related-link\" href=\"\/calculators\/bearing-fit-tolerance\/\">Fit Tolerance Selection<\/a><a class=\"vc-related-link\" href=\"\/calculators\/bearing-thermal-expansion\/\">Thermal Expansion<\/a><\/div><\/div><\/div>\r\n<\/div>\r\n<div class=\"vc-section\" id=\"vc-sec-faq\"><button type=\"button\" class=\"vc-section-toggle\" aria-expanded=\"false\"><span class=\"vc-section-toggle-text\"><span class=\"vc-section-icon\">\u2753<\/span><span class=\"vc-section-title\">Frequently Asked Questions<\/span><\/span><svg class=\"vc-section-chevron\" viewBox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2\"><path d=\"M6 9l6 6 6-6\"\/><\/svg><\/button>\r\n    <div class=\"vc-section-body\"><div class=\"vc-section-inner\"><div class=\"vc-faq-list\" id=\"vc-faq-list\"><\/div><\/div><\/div>\r\n<\/div>\r\n<div class=\"vc-promo\"><div class=\"vc-promo-text\"><strong>Vibromera \u2014 Portable Balancing &amp; Vibration Analysis<\/strong><br>Professional vibration analyzers. Used in 50+ countries.<\/div><a class=\"vc-promo-link\" href=\"https:\/\/vibromera.eu\/\" target=\"_blank\" rel=\"noopener\">Learn More<\/a><\/div>\r\n<footer class=\"vc-footer\"><p>\u00a9 2024\u20132026 <a href=\"https:\/\/vibromera.eu\/\">Vibromera<\/a><\/p><p style=\"font-size:12px;margin-top:4px;\">Idealized Lam\u00e9\/friction model. Scientific review: July 2026<\/p><div class=\"vc-footer-links\"><a href=\"\/calculators\/engineering-calculators\/\">All Calculators<\/a><a href=\"https:\/\/vibromera.eu\/contacts\/\">Contact<\/a><\/div><\/footer>\r\n<\/div>\r\n<script src=\"https:\/\/cdn.jsdelivr.net\/npm\/katex@0.16.11\/dist\/katex.min.js\"><\/script>\r\n<script>\r\n(function(){\r\n    'use strict';var SLUG='bearing-removal-force';\r\n    function $(id){return document.getElementById(id)}\r\n    function fmt(n,d){if(isNaN(n)||!isFinite(n))return'\u2014';return n.toFixed(d===undefined?1:d).replace(\/(\\.\\d*?)0+$\/,'$1').replace(\/\\.$\/,'')}\r\n    function parseLocaleNumber(raw){var normalized=String(raw).trim().replace(\/\\s+\/g,'');if(!\/^[+-]?(?:\\d+(?:[.,]\\d*)?|[.,]\\d+)$\/.test(normalized))return NaN;return Number(normalized.replace(',','.'));}\r\n\r\n    function calculate(){\r\n        var d=parseLocaleNumber($('vc-d').value),delta=parseLocaleNumber($('vc-delta').value),L=parseLocaleNumber($('vc-L').value);\r\n        var Do=parseLocaleNumber($('vc-Do').value),mu=parseLocaleNumber($('vc-mu').value),E_GPa=parseLocaleNumber($('vc-E').value);\r\n        if(!isFinite(d)||d<=0||!isFinite(delta)||delta<=0||!isFinite(L)||L<=0||!isFinite(Do)||Do<=d||!isFinite(mu)||mu<=0||mu>1||!isFinite(E_GPa)||E_GPa<=0){$('vc-results').classList.remove('vc-visible');return;}\r\n        var E=E_GPa*1000; \/\/ MPa\r\n        var k=d\/Do; \/\/ ratio\r\n        \/* Lam\u00e9: p = (E\u00d7\u03b4)\/(2\u00d7d) \u00d7 (1\u2212k\u00b2) \u2014 simplified for solid shaft *\/\r\n        var p=E*delta\/(2*d)*(1-k*k);\r\n        var F=p*Math.PI*d*L*mu\/1000; \/\/ kN\r\n        var tons=F\/9.80665;\r\n        if(![p,F,tons].every(isFinite)){$('vc-results').classList.remove('vc-visible');return;}\r\n\r\n        $('vc-r-F').innerHTML=fmt(F,F<1?2:1)+' <span class=\"vc-rcard-unit\">kN<\/span>';\r\n        $('vc-r-p').innerHTML=fmt(p,1)+' <span class=\"vc-rcard-unit\">MPa<\/span>';\r\n        $('vc-r-ratio').innerHTML=fmt(k,3);\r\n        $('vc-r-tons').innerHTML=fmt(tons,2)+' <span class=\"vc-rcard-unit\">tf<\/span>';\r\n        $('vc-results').classList.add('vc-visible');\r\n        var u=new URL(window.location);u.searchParams.set('d',d);u.searchParams.set('delta',delta);u.searchParams.set('L',L);u.searchParams.set('Do',Do);u.searchParams.set('mu',mu);u.searchParams.set('E',E_GPa);history.replaceState(null,'',u.toString());\r\n        saveHistory({d:d,delta:delta,L:L,Do:Do,mu:mu,_summary:'d='+d+' \u03b4='+delta+'mm \u2192 F='+fmt(F,1)+'kN'});\r\n    }\r\n\r\n    document.querySelectorAll('.vc-preset-btn').forEach(function(btn){btn.addEventListener('click',function(e){e.preventDefault();$('vc-d').value=this.getAttribute('data-d');$('vc-delta').value=this.getAttribute('data-delta');$('vc-L').value=this.getAttribute('data-l');$('vc-Do').value=this.getAttribute('data-do');$('vc-mu').value=this.getAttribute('data-mu');$('vc-E').value=this.getAttribute('data-e');calculate();});});\r\n    $('vc-form').addEventListener('input',calculate);$('vc-form').addEventListener('change',calculate);\r\n    $('vc-copy-btn').addEventListener('click',function(){var text='Bearing Removal Force\\n\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\\nd='+$('vc-d').value+'mm, \u03b4='+$('vc-delta').value+'mm\\nL='+$('vc-L').value+'mm, Do='+$('vc-Do').value+'mm\\n\u03bc='+$('vc-mu').value+'\\nF = '+$('vc-r-F').textContent+'\\np = '+$('vc-r-p').textContent+'\\n\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\\nvibromera.eu';if(navigator.clipboard){navigator.clipboard.writeText(text).then(function(){var b=$('vc-copy-btn');b.classList.add('vc-copied');b.innerHTML='<svg width=\"14\" height=\"14\" viewBox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2\"><polyline points=\"20 6 9 17 4 12\"\/><\/svg> Copied!';setTimeout(function(){b.classList.remove('vc-copied');b.innerHTML='<svg width=\"14\" height=\"14\" viewBox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2\"><rect x=\"9\" y=\"9\" width=\"13\" height=\"13\" rx=\"2\"\/><path d=\"M5 15H4a2 2 0 01-2-2V4a2 2 0 012-2h9a2 2 0 012 2v1\"\/><\/svg> Copy';},2000);});}});\r\n    document.querySelectorAll('.vc-section-toggle').forEach(function(btn){btn.addEventListener('click',function(){var s=this.closest('.vc-section');s.classList.toggle('vc-open');this.setAttribute('aria-expanded',s.classList.contains('vc-open'));});});\r\n    var faqData=[{q:'What does the calculated force represent?',a:'<p>It is idealized axial sliding resistance F=p\u03c0dL\u03bc for the stated uniform elastic fit, not a guaranteed puller load or peak breakaway force.<\/p>'},{q:'What friction coefficient should I use?',a:'<p>Use a value validated for the actual material pair, surface condition, lubricant, pressure and breakaway\/sliding regime. The result is directly proportional to \u03bc.<\/p>'},{q:'What geometry is required?',a:'<p>D<sub>r<\/sub> is the actual outer material boundary of the fitted ring. Do not use overall rolling-bearing OD.<\/p>'},{q:'How can removal load be reduced?',a:'<p>Use only manufacturer-approved thermal, hydraulic or mechanical removal procedures and apply force through the intended ring or feature.<\/p>'},{q:'Can this result determine reuse?',a:'<p>No. Reuse requires inspection and manufacturer acceptance criteria; this estimate cannot reveal damage or contamination.<\/p>'}];\r\n    var fl=$('vc-faq-list');faqData.forEach(function(f){fl.innerHTML+='<div class=\"vc-faq-item\"><button type=\"button\" class=\"vc-faq-q\"><span>'+f.q+'<\/span><svg class=\"vc-faq-chevron\" viewBox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2\"><path d=\"M6 9l6 6 6-6\"\/><\/svg><\/button><div class=\"vc-faq-a\"><div class=\"vc-faq-a-inner\">'+f.a+'<\/div><\/div><\/div>';});\r\n    fl.addEventListener('click',function(e){var b=e.target.closest('.vc-faq-q');if(b)b.closest('.vc-faq-item').classList.toggle('vc-open');});\r\n    function saveHistory(entry){var key='vc_history_'+SLUG;var arr=[];try{arr=JSON.parse(localStorage.getItem(key))||[];}catch(e){}entry._ts=new Date().toISOString();arr.unshift(entry);if(arr.length>10)arr=arr.slice(0,10);try{localStorage.setItem(key,JSON.stringify(arr));}catch(e){}}\r\n    function loadParams(){var p=new URLSearchParams(window.location.search);['d','delta','L','Do','mu','E'].forEach(function(k){if(p.has(k)){var el=$('vc-'+k);if(el)el.value=p.get(k);}});}\r\n    function renderFormulas(){try{\r\n        katex.render('p = \\\\frac{E \\\\cdot \\\\delta}{2d} \\\\cdot \\\\left(1 - \\\\frac{d^2}{D_r^2}\\\\right) \\\\quad [\\\\text{MPa}]',$('vc-katex-1'),{displayMode:true,throwOnError:false});\r\n        katex.render('F = p \\\\cdot \\\\pi \\\\cdot d \\\\cdot L \\\\cdot \\\\mu \\\\quad [\\\\text{N}]',$('vc-katex-2'),{displayMode:true,throwOnError:false});\r\n    }catch(e){}}\r\n    function init(){loadParams();renderFormulas();calculate();}\r\n    if(document.readyState==='loading'){document.addEventListener('DOMContentLoaded',init);}else{init();}\r\n})();\r\n<\/script>\r\n","protected":false},"excerpt":{"rendered":"<p>C\u00f4ng c\u1ee5 t\u00ednh to\u00e1n tr\u1ef1c tuy\u1ebfn mi\u1ec5n ph\u00ed \u0111\u1ec3 \u01b0\u1edbc t\u00ednh l\u1ef1c th\u00e1o v\u00f2ng bi b\u1eb1ng ph\u01b0\u01a1ng tr\u00ecnh Lam\u00e9. Nh\u1eadp \u0111\u01b0\u1eddng k\u00ednh l\u1ed7, \u0111\u01b0\u1eddng k\u00ednh ngo\u00e0i tr\u1ee5c (\u0111\u1ed9 c\u1ea3n tr\u1edf), chi\u1ec1u d\u00e0i ti\u1ebfp x\u00fac v\u00e0 h\u1ec7 s\u1ed1 ma s\u00e1t.<\/p>","protected":false},"featured_media":0,"template":"","meta":{"ai_generated_summary":"","footnotes":""},"categories":[],"tags":[],"class_list":["post-100027","calculator","type-calculator","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/vibromera.eu\/vi\/wp-json\/wp\/v2\/calculator\/100027","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/vibromera.eu\/vi\/wp-json\/wp\/v2\/calculator"}],"about":[{"href":"https:\/\/vibromera.eu\/vi\/wp-json\/wp\/v2\/types\/calculator"}],"version-history":[{"count":2,"href":"https:\/\/vibromera.eu\/vi\/wp-json\/wp\/v2\/calculator\/100027\/revisions"}],"predecessor-version":[{"id":102313,"href":"https:\/\/vibromera.eu\/vi\/wp-json\/wp\/v2\/calculator\/100027\/revisions\/102313"}],"wp:attachment":[{"href":"https:\/\/vibromera.eu\/vi\/wp-json\/wp\/v2\/media?parent=100027"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/vibromera.eu\/vi\/wp-json\/wp\/v2\/categories?post=100027"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/vibromera.eu\/vi\/wp-json\/wp\/v2\/tags?post=100027"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}