{"id":100071,"date":"2026-02-15T20:14:56","date_gmt":"2026-02-15T20:14:56","guid":{"rendered":"https:\/\/vibromera.eu\/?post_type=calculator&#038;p=100071"},"modified":"2026-02-15T20:14:56","modified_gmt":"2026-02-15T20:14:56","slug":"cutting-power-calculator","status":"publish","type":"calculator","link":"https:\/\/vibromera.eu\/nb\/calculators\/cutting-power-calculator\/","title":{"rendered":"Kalkulator for skj\u00e6rekraft | Pc = Kc \u00d7 ae \u00d7 ap \u00d7 vf \/ 60000"},"content":{"rendered":"\n<script type=\"application\/ld+json\">\n{\"@context\":\"https:\/\/schema.org\",\"@type\":\"WebApplication\",\"name\":\"Cutting Power Calculator\",\"description\":\"Calculate cutting power for milling operations.\",\"url\":\"https:\/\/vibromera.eu\/calculators\/cutting-power-calculator\/\",\"applicationCategory\":\"Engineering Calculator\",\"operatingSystem\":\"Any\",\"offers\":{\"@type\":\"Offer\",\"price\":\"0\",\"priceCurrency\":\"EUR\"},\"creator\":{\"@type\":\"Organization\",\"name\":\"Vibromera\",\"url\":\"https:\/\/vibromera.eu\/\"},\"datePublished\":\"2024-01-01\",\"dateModified\":\"2025-02-14\",\"inLanguage\":\"en\",\"isAccessibleForFree\":true}\n<\/script>\n\n<script type=\"application\/ld+json\">\n{\"@context\":\"https:\/\/schema.org\",\"@type\":\"FAQPage\",\"mainEntity\":[\n{\"@type\":\"Question\",\"name\":\"What is specific cutting force Kc?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Specific cutting force Kc (N\/mm\u00b2) is the force per unit area of undeformed chip cross-section. It depends on material, chip thickness, and tool geometry. Typical Kc for steel is 1800\u20132500 N\/mm\u00b2.\"}},\n{\"@type\":\"Question\",\"name\":\"How is cutting power calculated?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Pc = Kc \u00d7 ae \u00d7 ap \u00d7 vf \/ (60 \u00d7 10\u2076) kW, where ae is width of cut, ap is depth of cut (both in mm), and vf is feed rate in mm\/min.\"}},\n{\"@type\":\"Question\",\"name\":\"What is metal removal rate?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"MRR = ae \u00d7 ap \u00d7 vf (mm\u00b3\/min). It represents the volume of material removed per unit time and directly relates to cutting power.\"}},\n{\"@type\":\"Question\",\"name\":\"How do I select a machine with sufficient power?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"The machine spindle power must exceed Pc \/ \u03b7, where \u03b7 is spindle efficiency (typically 0.7\u20130.9). Add 10\u201320% margin for safety.\"}},\n{\"@type\":\"Question\",\"name\":\"Does Kc change with chip thickness?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Yes. Kc increases for thinner chips due to the size effect. Kc = Kc1 \u00d7 h^(-mc), where Kc1 is Kc at 1mm chip thickness and mc is the material constant (0.2\u20130.4).\"}}\n]}\n<\/script>\n\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\":\"Cutting Power Calculator\",\"item\":\"https:\/\/vibromera.eu\/calculators\/cutting-power-calculator\/\"}]}<\/script>\n\n<link rel=\"preconnect\" href=\"https:\/\/fonts.googleapis.com\">\n\n<link rel=\"preconnect\" href=\"https:\/\/fonts.gstatic.com\" crossorigin>\n\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}}\n<\/style>\n\n<div class=\"vc-calculator\" id=\"vc-cutting-power\">\n<header class=\"vc-header\">\n    <p class=\"vc-header-eyebrow\">Free Engineering Tool #211<\/p>\n    <h1 class=\"vc-header-title\">Cutting Power Calculator<\/h1>\n    <p class=\"vc-header-subtitle\">Calculate cutting power for milling from specific cutting force, width\/depth of cut and feed rate. Also shows metal removal rate (MRR).<\/p>\n    <div class=\"vc-badges\"><span class=\"vc-badge\">Pc = Kc \u00d7 ae \u00d7 ap \u00d7 vf \/ 60000<\/span><span class=\"vc-badge\">Milling<\/span><\/div>\n<\/header>\n<div class=\"vc-card\">\n    <form class=\"vc-form\" id=\"vc-form\" autocomplete=\"off\">\n        <div class=\"vc-form-grid\">\n            <div class=\"vc-field\"><label class=\"vc-label\" for=\"vc-kc\">Specific Cutting Force (Kc) <span class=\"vc-label-hint\">(N\/mm\u00b2)<\/span><\/label><input class=\"vc-input\" type=\"number\" id=\"vc-kc\" step=\"any\" min=\"1\" placeholder=\"e.g. 2000\" value=\"2000\"><\/div>\n            <div class=\"vc-field\"><label class=\"vc-label\" for=\"vc-ae\">Width of Cut (ae) <span class=\"vc-label-hint\">(mm)<\/span><\/label><input class=\"vc-input\" type=\"number\" id=\"vc-ae\" step=\"any\" min=\"0.01\" placeholder=\"e.g. 10\" value=\"10\"><\/div>\n            <div class=\"vc-field\"><label class=\"vc-label\" for=\"vc-ap\">Depth of Cut (ap) <span class=\"vc-label-hint\">(mm)<\/span><\/label><input class=\"vc-input\" type=\"number\" id=\"vc-ap\" step=\"any\" min=\"0.01\" placeholder=\"e.g. 3\" value=\"3\"><\/div>\n            <div class=\"vc-field\"><label class=\"vc-label\" for=\"vc-vf\">Feed Rate (vf) <span class=\"vc-label-hint\">(mm\/min)<\/span><\/label><input class=\"vc-input\" type=\"number\" id=\"vc-vf\" step=\"any\" min=\"0.1\" placeholder=\"e.g. 400\" value=\"400\"><\/div>\n            <div class=\"vc-field\"><label class=\"vc-label\" for=\"vc-eff\">Machine Efficiency (\u03b7) <span class=\"vc-label-hint\">(0\u20131)<\/span><\/label><input class=\"vc-input\" type=\"number\" id=\"vc-eff\" step=\"any\" min=\"0.1\" max=\"1\" placeholder=\"e.g. 0.8\" value=\"0.80\"><\/div>\n        <\/div>\n        <div class=\"vc-presets\">\n            <div class=\"vc-presets-label\">Quick presets<\/div>\n            <button type=\"button\" class=\"vc-preset-btn\" data-kc=\"2000\" data-ae=\"10\" data-ap=\"3\" data-vf=\"400\">Steel finishing<\/button>\n            <button type=\"button\" class=\"vc-preset-btn\" data-kc=\"2000\" data-ae=\"25\" data-ap=\"5\" data-vf=\"300\">Steel roughing<\/button>\n            <button type=\"button\" class=\"vc-preset-btn\" data-kc=\"800\" data-ae=\"15\" data-ap=\"4\" data-vf=\"800\">Aluminium milling<\/button>\n        <\/div>\n    <\/form>\n    <div class=\"vc-results\" id=\"vc-results\">\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>\n        <div class=\"vc-result-grid\">\n            <div class=\"vc-rcard vc-rcard-primary\"><div class=\"vc-rcard-label\">Cutting Power (Pc)<\/div><div class=\"vc-rcard-value\" id=\"vc-r-pc\">\u2014<\/div><\/div>\n            <div class=\"vc-rcard\"><div class=\"vc-rcard-label\">Required Spindle Power<\/div><div class=\"vc-rcard-value\" id=\"vc-r-spindle\">\u2014<\/div><\/div>\n            <div class=\"vc-rcard\"><div class=\"vc-rcard-label\">Metal Removal Rate<\/div><div class=\"vc-rcard-value\" id=\"vc-r-mrr\">\u2014<\/div><\/div>\n        <\/div>\n    <\/div>\n<\/div>\n\n<div class=\"vc-section vc-open\"><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>\n    <div class=\"vc-section-body\"><div class=\"vc-section-inner vc-theory\">\n        <h3>Cutting Power<\/h3>\n        <div class=\"vc-formula-box\" id=\"vc-katex-1\"><\/div>\n        <h3>Metal Removal Rate<\/h3>\n        <div class=\"vc-formula-box\" id=\"vc-katex-2\"><\/div>\n        <div class=\"vc-example-box\"><div class=\"vc-example-title\">Example \u2014 Face milling steel<\/div>\n            <p><strong>Given:<\/strong> Kc = 2000 N\/mm\u00b2, ae = 10 mm, ap = 3 mm, vf = 400 mm\/min<\/p>\n            <p>Pc = 2000 \u00d7 10 \u00d7 3 \u00d7 400 \/ 60,000,000 = <strong>0.40 kW<\/strong><\/p>\n            <p>MRR = 10 \u00d7 3 \u00d7 400 = <strong>12,000 mm\u00b3\/min = 12 cm\u00b3\/min<\/strong><\/p>\n        <\/div>\n    <\/div><\/div>\n<\/div>\n\n<div class=\"vc-section\"><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>\n    <div class=\"vc-section-body\"><div class=\"vc-section-inner\"><div class=\"vc-related\"><a class=\"vc-related-link\" href=\"\/calculators\/cutting-speed-rpm\/\">Cutting Speed \u2194 RPM<\/a><a class=\"vc-related-link\" href=\"\/calculators\/feed-rate-calculator\/\">Feed Rate<\/a><a class=\"vc-related-link\" href=\"\/calculators\/drilling-parameters\/\">Drilling Parameters<\/a><\/div><\/div><\/div>\n<\/div>\n\n<div class=\"vc-section\"><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>\n    <div class=\"vc-section-body\"><div class=\"vc-section-inner\"><div class=\"vc-faq-list\" id=\"vc-faq-list\"><\/div><\/div><\/div>\n<\/div>\n\n<div class=\"vc-promo\"><div class=\"vc-promo-text\"><strong>Vibromera \u2014 Portable Balancing &amp; Vibration Analysis<\/strong><br>Professional instruments for industrial applications.<\/div><a class=\"vc-promo-link\" href=\"https:\/\/vibromera.eu\/\" target=\"_blank\" rel=\"noopener\">Learn More<\/a><\/div>\n<footer class=\"vc-footer\"><p>\u00a9 2024\u20132025 <a href=\"https:\/\/vibromera.eu\/\">Vibromera<\/a> \u2014 Engineering Calculators<\/p><div class=\"vc-footer-links\"><a href=\"\/calculators\/engineering-calculators\/\">All Calculators<\/a><a href=\"https:\/\/vibromera.eu\/contacts\/\">Contact<\/a><\/div><\/footer>\n<\/div>\n<script src=\"https:\/\/cdn.jsdelivr.net\/npm\/katex@0.16.11\/dist\/katex.min.js\"><\/script>\n<script>\n(function(){\n    'use strict';\n    function $(id){return document.getElementById(id)}\n    function fmt(n,d){if(isNaN(n))return'\u2014';var f=n.toFixed(d===undefined?2:d);return f.replace(\/(\\.\\d*?)0+$\/,'$1').replace(\/\\.$\/,'')}\n    function calculate(){\n        var Kc=parseFloat($('vc-kc').value),ae=parseFloat($('vc-ae').value),ap=parseFloat($('vc-ap').value),vf=parseFloat($('vc-vf').value),eff=parseFloat($('vc-eff').value)||0.8;\n        if(!Kc||!ae||!ap||!vf||Kc<=0||ae<=0||ap<=0||vf<=0){$('vc-results').classList.remove('vc-visible');return}\n        var Pc=Kc*ae*ap*vf\/60000000;var mrr=ae*ap*vf;\n        $('vc-r-pc').innerHTML=fmt(Pc,2)+' <span class=\"vc-rcard-unit\">kW<\/span>';\n        $('vc-r-spindle').innerHTML=fmt(Pc\/eff,2)+' <span class=\"vc-rcard-unit\">kW (\u03b7='+fmt(eff,2)+')<\/span>';\n        $('vc-r-mrr').innerHTML=fmt(mrr\/1000,1)+' <span class=\"vc-rcard-unit\">cm\u00b3\/min<\/span>';\n        $('vc-results').classList.add('vc-visible');\n    }\n    document.querySelectorAll('.vc-preset-btn').forEach(function(b){b.addEventListener('click',function(e){e.preventDefault();$('vc-kc').value=this.dataset.kc;$('vc-ae').value=this.dataset.ae;$('vc-ap').value=this.dataset.ap;$('vc-vf').value=this.dataset.vf;calculate()})});\n    $('vc-form').addEventListener('input',calculate);$('vc-form').addEventListener('change',calculate);\n    $('vc-copy-btn').addEventListener('click',function(){var t='Cutting Power: '+$('vc-r-pc').textContent+'\\nSpindle Power: '+$('vc-r-spindle').textContent+'\\nMRR: '+$('vc-r-mrr').textContent;if(navigator.clipboard)navigator.clipboard.writeText(t)});\n    document.querySelectorAll('.vc-section-toggle').forEach(function(b){b.addEventListener('click',function(){var s=this.closest('.vc-section');s.classList.toggle('vc-open');this.setAttribute('aria-expanded',s.classList.contains('vc-open'))})});\n    var faqData=[\n        {q:'What is specific cutting force Kc?',a:'<p>Kc (N\/mm\u00b2) is the force per unit area of undeformed chip. For steel it\\'s typically 1800\u20132500 N\/mm\u00b2. It depends on material, chip thickness, and tool geometry.<\/p>'},\n        {q:'How is cutting power calculated?',a:'<p>Pc = Kc \u00d7 ae \u00d7 ap \u00d7 vf \/ 60,000,000 kW. This uses width of cut (ae), depth of cut (ap) in mm, and feed rate (vf) in mm\/min.<\/p>'},\n        {q:'What is metal removal rate?',a:'<p>MRR = ae \u00d7 ap \u00d7 vf (mm\u00b3\/min). It represents volume of material removed per minute and directly relates to power consumption.<\/p>'},\n        {q:'How do I select a machine with sufficient power?',a:'<p>Required spindle motor power = Pc \/ \u03b7, where \u03b7 is spindle efficiency (0.7\u20130.9). Add 10\u201320% margin for safety.<\/p>'},\n        {q:'Does Kc change with chip thickness?',a:'<p>Yes. Kc increases for thinner chips. Kc = Kc1 \u00d7 h^(-mc), where mc is typically 0.2\u20130.4 for metals.<\/p>'}\n    ];\n    var fl=$('vc-faq-list');faqData.forEach(function(f){fl.innerHTML+='<div class=\"vc-faq-item\"><button type=\"button\" class=\"vc-faq-q\"><span>'+f.q+'<\/span><svg class=\"vc-faq-chevron\" viewBox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2\"><path d=\"M6 9l6 6 6-6\"\/><\/svg><\/button><div class=\"vc-faq-a\"><div class=\"vc-faq-a-inner\">'+f.a+'<\/div><\/div><\/div>'});\n    fl.addEventListener('click',function(e){var b=e.target.closest('.vc-faq-q');if(b)b.closest('.vc-faq-item').classList.toggle('vc-open')});\n    function renderFormulas(){try{\n        katex.render('P_c = \\\\frac{K_c \\\\times a_e \\\\times a_p \\\\times v_f}{60 \\\\times 10^6} \\\\quad [\\\\text{kW}]',$('vc-katex-1'),{displayMode:true,throwOnError:false});\n        katex.render('Q = a_e \\\\times a_p \\\\times v_f \\\\quad [\\\\text{mm}^3\\\\text{\/min}]',$('vc-katex-2'),{displayMode:true,throwOnError:false});\n    }catch(e){}}\n    function init(){renderFormulas();calculate()}\n    if(document.readyState==='loading')document.addEventListener('DOMContentLoaded',init);else init();\n})();\n<\/script>\n","protected":false},"excerpt":{"rendered":"<p>Gratis kalkulator for skj\u00e6rekraft for fresing. Pc = Kc \u00d7 ae \u00d7 ap \u00d7 vf \/ 60000. Angi spesifikk skj\u00e6rekraft, skj\u00e6rebredde\/-dybde og matingshastighet.<\/p>","protected":false},"featured_media":0,"template":"","meta":{"ai_generated_summary":"","footnotes":""},"categories":[],"tags":[],"class_list":["post-100071","calculator","type-calculator","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/vibromera.eu\/nb\/wp-json\/wp\/v2\/calculator\/100071","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/vibromera.eu\/nb\/wp-json\/wp\/v2\/calculator"}],"about":[{"href":"https:\/\/vibromera.eu\/nb\/wp-json\/wp\/v2\/types\/calculator"}],"version-history":[{"count":1,"href":"https:\/\/vibromera.eu\/nb\/wp-json\/wp\/v2\/calculator\/100071\/revisions"}],"predecessor-version":[{"id":100386,"href":"https:\/\/vibromera.eu\/nb\/wp-json\/wp\/v2\/calculator\/100071\/revisions\/100386"}],"wp:attachment":[{"href":"https:\/\/vibromera.eu\/nb\/wp-json\/wp\/v2\/media?parent=100071"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/vibromera.eu\/nb\/wp-json\/wp\/v2\/categories?post=100071"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/vibromera.eu\/nb\/wp-json\/wp\/v2\/tags?post=100071"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}