{"id":100220,"date":"2026-02-15T20:28:03","date_gmt":"2026-02-15T20:28:03","guid":{"rendered":"https:\/\/vibromera.eu\/?post_type=calculator&#038;p=100220"},"modified":"2026-02-15T20:28:03","modified_gmt":"2026-02-15T20:28:03","slug":"separator-balancing","status":"publish","type":"calculator","link":"https:\/\/vibromera.eu\/bn\/calculators\/separator-balancing\/","title":{"rendered":"Separator \/ Centrifuge Balancing Calculator"},"content":{"rendered":"\n<script type=\"application\/ld+json\">\n{\"@context\":\"https:\/\/schema.org\",\"@type\":\"WebApplication\",\"name\":\"Separator \/ Centrifuge Balancing Calculator\",\"alternateName\":[\"Centrifuge Balancing Calculator\",\"Separator Bowl Unbalance Calculator\"],\"description\":\"Free online calculator for separator and centrifuge balancing per ISO 21940. Computes permissible unbalance, eccentricity, centrifugal force, and g-force at bowl rim.\",\"url\":\"https:\/\/vibromera.eu\/calculators\/separator-balancing\/\",\"applicationCategory\":\"Engineering Calculator\",\"operatingSystem\":\"Any (Web Browser)\",\"offers\":{\"@type\":\"Offer\",\"price\":\"0\",\"priceCurrency\":\"EUR\"},\"creator\":{\"@type\":\"Organization\",\"name\":\"Vibromera\",\"url\":\"https:\/\/vibromera.eu\/\"},\"datePublished\":\"2025-01-01\",\"dateModified\":\"2026-02-15\",\"inLanguage\":\"en\",\"isAccessibleForFree\":true,\"featureList\":[\"ISO 21940-11 compliant\",\"G-force calculation\",\"Centrifugal force output\",\"Eccentricity calculation\",\"Auto-calculation on input change\",\"Preset configurations\"],\"keywords\":\"separator balancing, centrifuge balancing, bowl unbalance, g-force, disc stack, decanter\"}\n<\/script>\n\n<script type=\"application\/ld+json\">\n{\"@context\":\"https:\/\/schema.org\",\"@type\":\"FAQPage\",\"mainEntity\":[\n{\"@type\":\"Question\",\"name\":\"Why is centrifuge bowl balancing critical?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Centrifuge bowls spin at very high speeds (3,000\u201310,000+ RPM), creating enormous centrifugal forces. Even small unbalance produces large dynamic forces that damage bearings, seals, and the spindle. Precise balancing extends service life and ensures separation efficiency.\"}},\n{\"@type\":\"Question\",\"name\":\"What balance grade should I use for a separator?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"G2.5 is recommended for disc stack separators and high-speed centrifuges. G6.3 is acceptable for decanter centrifuges and lower-speed separators. G1.0 may be required for ultra-high-speed lab centrifuges.\"}},\n{\"@type\":\"Question\",\"name\":\"How is g-force at the bowl rim calculated?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"RCF (relative centrifugal force) = \u03c9\u00b2 \u00d7 R \/ (9.81 \u00d7 1000), where \u03c9 is angular velocity in rad\/s and R is bowl radius in mm. This gives the g-force as a multiple of gravitational acceleration.\"}},\n{\"@type\":\"Question\",\"name\":\"What causes centrifuge unbalance?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Common causes include uneven sediment buildup, worn or missing disc stack plates, damaged bowl components, incorrect reassembly after cleaning, and manufacturing tolerances. Regular cleaning and inspection help maintain balance.\"}},\n{\"@type\":\"Question\",\"name\":\"Can separators be balanced in-situ?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Yes, portable balancing instruments can measure vibration during operation and calculate correction masses. This is especially valuable for large decanters that are difficult to remove. Vibromera's Balanset series supports in-situ centrifuge balancing.\"}}\n]}\n<\/script>\n\n<script type=\"application\/ld+json\">\n{\"@context\":\"https:\/\/schema.org\",\"@type\":\"BreadcrumbList\",\"itemListElement\":[\n{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\/\/vibromera.eu\/\"},\n{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Calculators\",\"item\":\"https:\/\/vibromera.eu\/calculators\/\"},\n{\"@type\":\"ListItem\",\"position\":3,\"name\":\"Separator Balancing Calculator\",\"item\":\"https:\/\/vibromera.eu\/calculators\/separator-balancing\/\"}\n]}\n<\/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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16px;font-size:13px;color:var(--vc-ink-muted)}.vc-footer a{color:var(--vc-accent);text-decoration:none}.vc-footer a:hover{text-decoration:underline}.vc-footer-links{margin-top:8px;font-size:12px}.vc-footer-links a{margin:0 8px}\n@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-separator-balancing\">\n\n<header class=\"vc-header\">\n    <p class=\"vc-header-eyebrow\">Free Engineering Tool<\/p>\n    <h1 class=\"vc-header-title\">Separator \/ Centrifuge Balancing Calculator<\/h1>\n    <p class=\"vc-header-subtitle\">Calculate permissible bowl unbalance, eccentricity, centrifugal force, and g-force for disc stack separators and decanter centrifuges per ISO 21940.<\/p>\n    <div class=\"vc-badges\">\n        <span class=\"vc-badge\">ISO 21940-11<\/span>\n        <span class=\"vc-badge\">Disc Stack \/ Decanter<\/span>\n        <span class=\"vc-badge\">G-Force<\/span>\n    <\/div>\n<\/header>\n\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\">\n                <label class=\"vc-label\" for=\"vc-mass\">Bowl Mass <span class=\"vc-label-hint\">(kg)<\/span><\/label>\n                <input class=\"vc-input\" type=\"number\" id=\"vc-mass\" inputmode=\"decimal\" step=\"any\" min=\"0.001\" placeholder=\"e.g. 40\" value=\"40\">\n            <\/div>\n            <div class=\"vc-field\">\n                <label class=\"vc-label\" for=\"vc-speed\">Max Speed <span class=\"vc-label-hint\">(RPM)<\/span><\/label>\n                <input class=\"vc-input\" type=\"number\" id=\"vc-speed\" inputmode=\"decimal\" step=\"any\" min=\"1\" placeholder=\"e.g. 6000\" value=\"6000\">\n            <\/div>\n            <div class=\"vc-field\">\n                <label class=\"vc-label\" for=\"vc-grade\">Balance Grade G<\/label>\n                <select class=\"vc-select\" id=\"vc-grade\">\n                    <option value=\"1\">G1.0 \u2014 High-precision centrifuges<\/option>\n                    <option value=\"2.5\" selected>G2.5 \u2014 Disc stack separators<\/option>\n                    <option value=\"6.3\">G6.3 \u2014 Decanter centrifuges<\/option>\n                <\/select>\n            <\/div>\n            <div class=\"vc-field\">\n                <label class=\"vc-label\" for=\"vc-diameter\">Bowl Diameter <span class=\"vc-label-hint\">(mm)<\/span><\/label>\n                <input class=\"vc-input\" type=\"number\" id=\"vc-diameter\" inputmode=\"decimal\" step=\"any\" min=\"1\" placeholder=\"e.g. 300\" value=\"300\">\n            <\/div>\n        <\/div>\n\n        <div class=\"vc-presets\">\n            <div class=\"vc-presets-label\">Quick presets<\/div>\n            <button type=\"button\" class=\"vc-preset-btn\" data-m=\"40\" data-d=\"300\" data-s=\"6000\" data-g=\"2.5\">Disc stack \u00d8300mm 40kg 6000RPM G2.5<\/button>\n            <button type=\"button\" class=\"vc-preset-btn\" data-m=\"150\" data-d=\"400\" data-s=\"3500\" data-g=\"6.3\">Decanter \u00d8400mm 150kg 3500RPM G6.3<\/button>\n        <\/div>\n    <\/form>\n\n    <div class=\"vc-results\" id=\"vc-results\">\n        <div class=\"vc-results-head\">\n            <h2 class=\"vc-results-title\">Results<\/h2>\n            <button type=\"button\" class=\"vc-copy-btn\" id=\"vc-copy-btn\">\n                <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>\n                Copy\n            <\/button>\n        <\/div>\n        <div class=\"vc-result-grid\">\n            <div class=\"vc-rcard vc-rcard-primary\">\n                <div class=\"vc-rcard-label\">Permissible Unbalance<\/div>\n                <div class=\"vc-rcard-value\" id=\"vc-r-ubal\">\u2014<\/div>\n            <\/div>\n            <div class=\"vc-rcard\">\n                <div class=\"vc-rcard-label\">Specific Unbalance (Eccentricity)<\/div>\n                <div class=\"vc-rcard-value\" id=\"vc-r-ecc\">\u2014<\/div>\n            <\/div>\n            <div class=\"vc-rcard\">\n                <div class=\"vc-rcard-label\">Centrifugal Force at Permissible Unbalance<\/div>\n                <div class=\"vc-rcard-value\" id=\"vc-r-force\">\u2014<\/div>\n            <\/div>\n            <div class=\"vc-rcard\">\n                <div class=\"vc-rcard-label\">G-Force at Bowl Rim (RCF)<\/div>\n                <div class=\"vc-rcard-value\" id=\"vc-r-gforce\">\u2014<\/div>\n            <\/div>\n            <div class=\"vc-rcard\">\n                <div class=\"vc-rcard-label\">Angular Velocity \u03c9<\/div>\n                <div class=\"vc-rcard-value\" id=\"vc-r-omega\">\u2014<\/div>\n            <\/div>\n        <\/div>\n    <\/div>\n<\/div>\n\n<!-- Theory -->\n<div class=\"vc-section vc-open\" id=\"vc-sec-theory\">\n    <button type=\"button\" class=\"vc-section-toggle\" aria-expanded=\"true\">\n        <span class=\"vc-section-toggle-text\">\n            <span class=\"vc-section-icon\">\ud83d\udcd8<\/span>\n            <span class=\"vc-section-title\">Theory &amp; Formulas<\/span>\n        <\/span>\n        <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>\n    <\/button>\n    <div class=\"vc-section-body\">\n        <div class=\"vc-section-inner vc-theory\">\n            <h3>Permissible Unbalance (ISO 21940)<\/h3>\n            <p>The permissible residual unbalance for a centrifuge bowl is calculated using the standard ISO 21940-11 formula:<\/p>\n            <div class=\"vc-formula-box\" id=\"vc-katex-1\"><\/div>\n            <ul>\n                <li><strong>G<\/strong> \u2014 balance quality grade (mm\/s)<\/li>\n                <li><strong>m<\/strong> \u2014 bowl mass (kg)<\/li>\n                <li><strong>\u03c9<\/strong> = 2\u03c0\u00b7n\/60 \u2014 angular velocity (rad\/s)<\/li>\n            <\/ul>\n\n            <h3>Centrifugal Force<\/h3>\n            <div class=\"vc-formula-box\" id=\"vc-katex-2\"><\/div>\n\n            <h3>G-Force (Relative Centrifugal Force)<\/h3>\n            <p>The g-force at the bowl rim represents the separation capability:<\/p>\n            <div class=\"vc-formula-box\" id=\"vc-katex-3\"><\/div>\n            <p>Where <strong>R<\/strong> is the bowl radius in mm. This value is expressed as multiples of gravitational acceleration (\u00d7g).<\/p>\n\n            <h3>Practical Example<\/h3>\n            <div class=\"vc-example-box\">\n                <div class=\"vc-example-title\">Example \u2014 Disc Stack Separator<\/div>\n                <p><strong>Given:<\/strong> Bowl mass = 40 kg, Speed = 6000 RPM, Grade = G2.5, Diameter = 300 mm<\/p>\n                <p>\u03c9 = 2\u03c0 \u00d7 6000 \/ 60 = 628.32 rad\/s<\/p>\n                <p>U<sub>per<\/sub> = 2.5 \u00d7 40 \u00d7 1000 \/ 628.32 = <strong>159.2 g\u00b7mm<\/strong><\/p>\n                <p>F = 159.2 \/ 1e6 \u00d7 628.32\u00b2 = <strong>62.8 N<\/strong><\/p>\n                <p>G-force = 628.32\u00b2 \u00d7 150 \/ (9.81 \u00d7 1000) = <strong>6,036 \u00d7g<\/strong><\/p>\n            <\/div>\n\n            <div class=\"vc-warning-box\">\n                <p style=\"margin:0;font-size:14px;color:var(--vc-ink-secondary);\"><strong>\u26a0\ufe0f Note:<\/strong> High-speed centrifuges require extremely tight balance tolerances. Even a few grams of unbalance at 6000+ RPM generates hundreds of newtons of force. Always verify balance after bowl reassembly and disc replacement.<\/p>\n            <\/div>\n        <\/div>\n    <\/div>\n<\/div>\n\n<!-- Related -->\n<div class=\"vc-section\" id=\"vc-sec-related\">\n    <button type=\"button\" class=\"vc-section-toggle\" aria-expanded=\"false\">\n        <span class=\"vc-section-toggle-text\">\n            <span class=\"vc-section-icon\">\ud83d\udd17<\/span>\n            <span class=\"vc-section-title\">Related Calculators<\/span>\n        <\/span>\n        <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>\n    <\/button>\n    <div class=\"vc-section-body\">\n        <div class=\"vc-section-inner\">\n            <div class=\"vc-related\">\n                <a class=\"vc-related-link\" href=\"\/calculators\/residual-unbalance-iso1940\/\">Residual Unbalance (ISO 21940)<\/a>\n                <a class=\"vc-related-link\" href=\"\/calculators\/centrifuge-g-force\/\">Centrifuge G-Force (RCF)<\/a>\n                <a class=\"vc-related-link\" href=\"\/calculators\/spindle-unbalance\/\">Spindle Unbalance<\/a>\n                <a class=\"vc-related-link\" href=\"\/calculators\/propeller-unbalance\/\">Propeller Unbalance<\/a>\n                <a class=\"vc-related-link\" href=\"\/calculators\/trial-weight-calculator\/\">Trial Weight Calculator<\/a>\n            <\/div>\n        <\/div>\n    <\/div>\n<\/div>\n\n<!-- FAQ -->\n<div class=\"vc-section\" id=\"vc-sec-faq\">\n    <button type=\"button\" class=\"vc-section-toggle\" aria-expanded=\"false\">\n        <span class=\"vc-section-toggle-text\">\n            <span class=\"vc-section-icon\">\u2753<\/span>\n            <span class=\"vc-section-title\">Frequently Asked Questions<\/span>\n        <\/span>\n        <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>\n    <\/button>\n    <div class=\"vc-section-body\">\n        <div class=\"vc-section-inner\">\n            <div class=\"vc-faq-list\" id=\"vc-faq-list\"><\/div>\n        <\/div>\n    <\/div>\n<\/div>\n\n<div class=\"vc-promo\">\n    <div class=\"vc-promo-text\">\n        <strong>Vibromera \u2014 Portable Balancing &amp; Vibration Analysis<\/strong><br>\n        Professional field balancing instruments for centrifuges, separators, and rotating machinery. Achieve ISO 21940-11 compliance on-site.\n    <\/div>\n    <a class=\"vc-promo-link\" href=\"https:\/\/vibromera.eu\/\" target=\"_blank\" rel=\"noopener\">Learn More<\/a>\n<\/div>\n\n<footer class=\"vc-footer\">\n    <p>\u00a9 2024\u20132026 <a href=\"https:\/\/vibromera.eu\/\">Vibromera<\/a> \u2014 Engineering Calculators<\/p>\n    <p style=\"font-size:12px;margin-top:4px;\">Based on ISO 21940-11. Calculator #241. Last updated: February 2026<\/p>\n    <div class=\"vc-footer-links\">\n        <a href=\"\/calculators\/engineering-calculators\/\">All Calculators<\/a>\n        <a href=\"https:\/\/vibromera.eu\/contacts\/\">Contact<\/a>\n    <\/div>\n<\/footer>\n\n<\/div>\n\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    var SLUG = 'separator-balancing';\n    function $(id) { return document.getElementById(id); }\n    function fmt(n, d) { if(isNaN(n)||!isFinite(n)) return '\u2014'; var f=n.toFixed(d===undefined?2:d); return f.replace(\/(\\.\\d*?)0+$\/,'$1').replace(\/\\.$\/,''); }\n\n    function calculate() {\n        var mass = parseFloat($('vc-mass').value);\n        var speed = parseFloat($('vc-speed').value);\n        var grade = parseFloat($('vc-grade').value);\n        var diameter = parseFloat($('vc-diameter').value);\n\n        if (!mass || mass <= 0 || !speed || speed <= 0) {\n            $('vc-results').classList.remove('vc-visible');\n            return;\n        }\n\n        var omega = 2 * Math.PI * speed \/ 60;\n        var eper = grade * 1000 \/ omega;\n        var uper = grade * mass * 1000 \/ omega;\n        var force = uper \/ 1e6 * omega * omega;\n\n        \/\/ g-force at bowl rim\n        var R = (diameter && diameter > 0) ? diameter \/ 2 : 0;\n        var gforce = R > 0 ? (omega * omega * R) \/ (9.81 * 1000) : 0;\n\n        $('vc-r-ubal').innerHTML = (uper >= 1000 ? fmt(uper, 0) : fmt(uper, 1)) + ' <span class=\"vc-rcard-unit\">g\u00b7mm<\/span>';\n        $('vc-r-ecc').innerHTML = fmt(eper, 2) + ' <span class=\"vc-rcard-unit\">\u03bcm<\/span>';\n        $('vc-r-force').innerHTML = (force >= 1000 ? fmt(force, 0) : fmt(force, 1)) + ' <span class=\"vc-rcard-unit\">N<\/span>';\n        $('vc-r-gforce').innerHTML = gforce > 0 ? (fmt(gforce, 0) + ' <span class=\"vc-rcard-unit\">\u00d7g<\/span>') : '\u2014';\n        $('vc-r-omega').innerHTML = fmt(omega, 2) + ' <span class=\"vc-rcard-unit\">rad\/s<\/span>';\n\n        $('vc-results').classList.add('vc-visible');\n\n        var u = new URL(window.location);\n        u.searchParams.set('mass', mass); u.searchParams.set('speed', speed);\n        u.searchParams.set('grade', grade); u.searchParams.set('diameter', diameter);\n        history.replaceState(null, '', u.toString());\n\n        saveHistory({ mass:mass, speed:speed, grade:grade, diameter:diameter,\n            _summary: 'm=' + mass + 'kg, \u00d8' + diameter + 'mm, ' + speed + 'RPM, G' + grade });\n    }\n\n    document.querySelectorAll('.vc-preset-btn').forEach(function(btn) {\n        btn.addEventListener('click', function(e) {\n            e.preventDefault();\n            $('vc-mass').value = this.getAttribute('data-m');\n            $('vc-diameter').value = this.getAttribute('data-d');\n            $('vc-speed').value = this.getAttribute('data-s');\n            $('vc-grade').value = this.getAttribute('data-g');\n            calculate();\n        });\n    });\n\n    $('vc-form').addEventListener('input', calculate);\n    $('vc-form').addEventListener('change', calculate);\n\n    $('vc-copy-btn').addEventListener('click', function() {\n        var text = 'Separator \/ Centrifuge Balancing Calculation\\n' +\n            '\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\\n' +\n            'Bowl Mass: ' + $('vc-mass').value + ' kg\\n' +\n            'Speed: ' + $('vc-speed').value + ' RPM\\n' +\n            'Grade: G' + $('vc-grade').value + '\\n' +\n            'Bowl Diameter: ' + $('vc-diameter').value + ' mm\\n' +\n            'Permissible Unbalance: ' + $('vc-r-ubal').textContent + '\\n' +\n            'Eccentricity: ' + $('vc-r-ecc').textContent + '\\n' +\n            'Centrifugal Force: ' + $('vc-r-force').textContent + '\\n' +\n            'G-Force: ' + $('vc-r-gforce').textContent + '\\n' +\n            '\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\u2501\\n' +\n            'vibromera.eu\/calculators\/separator-balancing\/';\n        if (navigator.clipboard) {\n            navigator.clipboard.writeText(text).then(function() {\n                var btn = $('vc-copy-btn');\n                btn.classList.add('vc-copied');\n                btn.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!';\n                setTimeout(function() { btn.classList.remove('vc-copied'); btn.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);\n            });\n        }\n    });\n\n    document.querySelectorAll('.vc-section-toggle').forEach(function(btn) {\n        btn.addEventListener('click', function() {\n            var section = this.closest('.vc-section');\n            section.classList.toggle('vc-open');\n            this.setAttribute('aria-expanded', section.classList.contains('vc-open'));\n        });\n    });\n\n    var faqData = [\n        { q: 'Why is centrifuge bowl balancing critical?', a: '<p>Centrifuge bowls spin at very high speeds (3,000\u201310,000+ RPM), creating enormous centrifugal forces. Even small unbalance produces large dynamic forces that damage bearings, seals, and the spindle. Precise balancing extends service life and ensures separation efficiency.<\/p>' },\n        { q: 'What balance grade should I use for a separator?', a: '<p><strong>G2.5<\/strong> is recommended for disc stack separators and high-speed centrifuges. <strong>G6.3<\/strong> is acceptable for decanter centrifuges and lower-speed separators. <strong>G1.0<\/strong> may be required for ultra-high-speed laboratory centrifuges.<\/p>' },\n        { q: 'How is g-force at the bowl rim calculated?', a: '<p>RCF (relative centrifugal force) = \u03c9\u00b2 \u00d7 R \/ (9.81 \u00d7 1000), where \u03c9 is angular velocity in rad\/s and R is bowl radius in mm. A disc stack separator at 6000 RPM with a 150 mm radius produces approximately 6,000 \u00d7g.<\/p>' },\n        { q: 'What causes centrifuge unbalance?', a: '<p>Common causes include:<\/p><ul><li>Uneven sediment buildup inside the bowl<\/li><li>Worn or missing disc stack plates<\/li><li>Damaged bowl components<\/li><li>Incorrect reassembly after cleaning<\/li><li>Manufacturing tolerances<\/li><\/ul><p>Regular cleaning and inspection help maintain balance.<\/p>' },\n        { q: 'Can separators be balanced in-situ?', a: '<p>Yes, portable balancing instruments can measure vibration during operation and calculate correction masses. This is especially valuable for large decanters. Vibromera\\'s Balanset series supports in-situ centrifuge balancing without disassembly.<\/p>' }\n    ];\n    var faqList = $('vc-faq-list');\n    faqData.forEach(function(faq) {\n        faqList.innerHTML += '<div class=\"vc-faq-item\"><button type=\"button\" class=\"vc-faq-q\"><span>' + faq.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\">' + faq.a + '<\/div><\/div><\/div>';\n    });\n    faqList.addEventListener('click', function(e) { var btn = e.target.closest('.vc-faq-q'); if (!btn) return; btn.closest('.vc-faq-item').classList.toggle('vc-open'); });\n\n    function saveHistory(entry) {\n        var key = 'vc_history_' + SLUG; var arr = [];\n        try { arr = JSON.parse(localStorage.getItem(key)) || []; } catch(e) {}\n        entry._ts = new Date().toISOString(); arr.unshift(entry);\n        if (arr.length > 10) arr = arr.slice(0, 10);\n        try { localStorage.setItem(key, JSON.stringify(arr)); } catch(e) {}\n    }\n\n    function loadParams() {\n        var p = new URLSearchParams(window.location.search);\n        p.forEach(function(v, k) { var el = $(k) || $('vc-' + k); if (el) el.value = v; });\n    }\n\n    function renderFormulas() {\n        try {\n            katex.render('U_{per} = \\\\frac{G \\\\times m \\\\times 1000}{\\\\omega} \\\\quad [g \\\\cdot mm]', $('vc-katex-1'), { displayMode: true, throwOnError: false });\n            katex.render('F = \\\\frac{U}{10^6} \\\\times \\\\omega^2 \\\\quad [N]', $('vc-katex-2'), { displayMode: true, throwOnError: false });\n            katex.render('\\\\text{RCF} = \\\\frac{\\\\omega^2 \\\\times R}{9.81 \\\\times 1000} \\\\quad [\\\\times g]', $('vc-katex-3'), { displayMode: true, throwOnError: false });\n        } catch(e) {}\n    }\n\n    function init() { loadParams(); renderFormulas(); calculate(); }\n    if (document.readyState === 'loading') { document.addEventListener('DOMContentLoaded', init); } else { init(); }\n})();\n<\/script>\n","protected":false},"excerpt":{"rendered":"<p>ISO 21940 \u0985\u09a8\u09c1\u09af\u09be\u09af\u09bc\u09c0 \u09b8\u09c7\u09aa\u09be\u09b0\u09c7\u099f\u09b0 \u098f\u09ac\u0982 \u09b8\u09c7\u09a8\u09cd\u099f\u09cd\u09b0\u09bf\u09ab\u09bf\u0989\u099c \u09ad\u09be\u09b0\u09b8\u09be\u09ae\u09cd\u09af\u09c7\u09b0 \u099c\u09a8\u09cd\u09af \u09ac\u09bf\u09a8\u09be\u09ae\u09c2\u09b2\u09cd\u09af\u09c7 \u0985\u09a8\u09b2\u09be\u0987\u09a8 \u0995\u09cd\u09af\u09be\u09b2\u0995\u09c1\u09b2\u09c7\u099f\u09b0\u0964 \u09ac\u09be\u099f\u09bf \u09ad\u09b0, \u0997\u09a4\u09bf, \u09ad\u09be\u09b0\u09b8\u09be\u09ae\u09cd\u09af \u0997\u09cd\u09b0\u09c7\u09a1 \u098f\u09ac\u0982 \u09ac\u09cd\u09af\u09be\u09b8 \u09aa\u09cd\u09b0\u09ac\u09c7\u09b6 \u0995\u09b0\u09c1\u09a8 \u09af\u09be\u09a4\u09c7 \u0985\u09a8\u09c1\u09ae\u09cb\u09a6\u09bf\u09a4 \u09ad\u09be\u09b0\u09b8\u09be\u09ae\u09cd\u09af\u09b9\u09c0\u09a8\u09a4\u09be, \u09ac\u09bf\u0995\u09c7\u09a8\u09cd\u09a6\u09cd\u09b0\u09a4\u09be, \u0985\u09ad\u09bf\u0995\u09c7\u09a8\u09cd\u09a6\u09cd\u09b0 \u09b6\u0995\u09cd\u09a4\u09bf \u098f\u09ac\u0982 g-\u09ac\u09b2 \u09aa\u09be\u09a8\u0964<\/p>","protected":false},"featured_media":0,"template":"","meta":{"ai_generated_summary":"","footnotes":""},"categories":[],"tags":[],"class_list":["post-100220","calculator","type-calculator","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/vibromera.eu\/bn\/wp-json\/wp\/v2\/calculator\/100220","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/vibromera.eu\/bn\/wp-json\/wp\/v2\/calculator"}],"about":[{"href":"https:\/\/vibromera.eu\/bn\/wp-json\/wp\/v2\/types\/calculator"}],"version-history":[{"count":1,"href":"https:\/\/vibromera.eu\/bn\/wp-json\/wp\/v2\/calculator\/100220\/revisions"}],"predecessor-version":[{"id":100535,"href":"https:\/\/vibromera.eu\/bn\/wp-json\/wp\/v2\/calculator\/100220\/revisions\/100535"}],"wp:attachment":[{"href":"https:\/\/vibromera.eu\/bn\/wp-json\/wp\/v2\/media?parent=100220"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/vibromera.eu\/bn\/wp-json\/wp\/v2\/categories?post=100220"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/vibromera.eu\/bn\/wp-json\/wp\/v2\/tags?post=100220"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}