How to Split Permissible Residual Unbalance Between Two Correction Planes (ISO 21940-11)<\/title>\n \n <meta name=\"keywords\" content=\"ISO 21940-11, permissible residual unbalance, Uper, two-plane balancing, unbalance tolerance, split between planes, rotor center of mass, lever rule, 70 30 rule\" \/>\n\n \n <script>\n window.MathJax = {\n tex: { inlineMath: [['(',')'], ['$', '$']] },\n svg: { fontCache: 'global' }\n };\n <\/script>\n <script src=\"https:\/\/cdn.jsdelivr.net\/npm\/mathjax@3\/es5\/tex-svg.js\"><\/script>\n<\/head>\n\n<body>\n <header>\n <h1 style=\"font-size:30px;\">How to Split Total Permissible Residual Unbalance Between Two Planes<\/h1>\n <p style=\"font-size:16px;\">\n For a two-support rotor, the total permissible residual unbalance (U_{mathrm{per}}) is distributed between two correction planes\n based on rotor geometry and the rotor center of mass (CM) position. Below are the core rules from ISO 21940-11, plus the practical 70:30 limitation.\n <\/p>\n <\/header>\n\n <main>\n <section>\n <h2 style=\"font-size:22px;\">Definitions<\/h2>\n <ul style=\"font-size:16px;\">\n <li>(U_{mathrm{per}}): total permissible residual unbalance for the rotor.<\/li>\n <li>(U_{mathrm{per}A}), (U_{mathrm{per}B}): permissible residual unbalance allocated to planes A and B.<\/li>\n <li>(L): distance between planes A and B.<\/li>\n <li>(L_A): distance from CM to plane A.<\/li>\n <li>(L_B): distance from CM to plane B.<\/li>\n <li>Geometry relation: (L = L_A + L_B).<\/li>\n <\/ul>\n <\/section>\n\n <hr \/>\n\n <section>\n <h2 style=\"font-size:22px;\">1) Symmetric Rotor<\/h2>\n <p style=\"font-size:16px;\">\n If the rotor is symmetric and the CM is approximately centered between the planes, split the allowance equally:\n <\/p>\n <p style=\"font-size:16px; text-align:center;\">\n (U_{mathrm{per}A} = U_{mathrm{per}B} = dfrac{U_{mathrm{per}}}{2})\n <\/p>\n <p style=\"font-size:16px;\">\n This method fits most standard cases where the rotor is close to symmetric.\n <\/p>\n <\/section>\n\n <hr \/>\n\n <section>\n <h2 style=\"font-size:22px;\">2) Asymmetric Rotor (Lever Rule)<\/h2>\n <p style=\"font-size:16px;\">\n If the CM shifts toward one support, distribute the allowance using the lever rule,\n proportional to the distance from the CM to the opposite plane:\n <\/p>\n\n <p style=\"font-size:16px; text-align:center;\">\n (U_{mathrm{per}A} = U_{mathrm{per}} cdot dfrac{L_B}{L})\n <\/p>\n <p style=\"font-size:16px; text-align:center;\">\n (U_{mathrm{per}B} = U_{mathrm{per}} cdot dfrac{L_A}{L})\n <\/p>\n\n <p style=\"font-size:16px;\">\n Here, (L) is the distance between planes, and (L_A) and (L_B) are distances from the CM to planes A and B respectively.\n <\/p>\n <\/section>\n\n <hr \/>\n\n <section>\n <h2 style=\"font-size:22px;\">Important Limitation: 70:30 Rule<\/h2>\n <p style=\"font-size:16px;\">\n To avoid extreme accuracy requirements in one plane, the standard recommends limiting the split to a 70:30 ratio.\n Even if the CM is very close to one plane\/support:\n <\/p>\n <ul style=\"font-size:16px;\">\n <li>The smaller share should not be less than (0.3 cdot U_{mathrm{per}}).<\/li>\n <li>The larger share should not exceed (0.7 cdot U_{mathrm{per}}).<\/li>\n <\/ul>\n <p style=\"font-size:16px; text-align:center;\">\n (0.3 cdot U_{mathrm{per}} le U_{mathrm{per}A},, U_{mathrm{per}B} le 0.7 cdot U_{mathrm{per}})\n <\/p>\n <\/section>\n\n <hr \/>\n\n <section>\n <h2 style=\"font-size:22px;\">Calculator<\/h2>\n\n <p style=\"font-size:16px;\">\n Enter (U_{mathrm{per}}) and distances. The calculator supports symmetric split and lever-rule split.\n It also applies the 70:30 limitation when enabled.\n <\/p>\n\n <form id=\"calcForm\" onsubmit=\"return false;\" style=\"font-size:16px;\">\n <fieldset>\n <legend style=\"font-size:18px;\">Mode<\/legend>\n\n <label style=\"display:block; margin:6px 0;\">\n <input type=\"radio\" name=\"mode\" value=\"symmetric\" checked \/>\n Symmetric rotor: (U_{mathrm{per}A} = U_{mathrm{per}B} = U_{mathrm{per}}\/2)\n <\/label>\n\n <label style=\"display:block; margin:6px 0;\">\n <input type=\"radio\" name=\"mode\" value=\"lever\" \/>\n Asymmetric rotor (lever rule): use (L_A) and (L_B)\n <\/label>\n <\/fieldset>\n\n <fieldset style=\"margin-top:14px;\">\n <legend style=\"font-size:18px;\">Inputs<\/legend>\n\n <div style=\"margin:8px 0;\">\n <label for=\"uper\">Total permissible residual unbalance (U_{mathrm{per}}):<\/label><br \/>\n <input id=\"uper\" type=\"number\" step=\"any\" min=\"0\" value=\"100\" style=\"width:240px;\" \/>\n <\/div>\n\n <div style=\"margin:8px 0;\">\n <label for=\"la\">Distance (L_A) (CM to plane A):<\/label><br \/>\n <input id=\"la\" type=\"number\" step=\"any\" min=\"0\" value=\"200\" style=\"width:240px;\" \/>\n <\/div>\n\n <div style=\"margin:8px 0;\">\n <label for=\"lb\">Distance (L_B) (CM to plane B):<\/label><br \/>\n <input id=\"lb\" type=\"number\" step=\"any\" min=\"0\" value=\"200\" style=\"width:240px;\" \/>\n <\/div>\n\n <label style=\"display:block; margin:10px 0;\">\n <input id=\"limit7030\" type=\"checkbox\" checked \/>\n Apply 70:30 limitation\n <\/label>\n\n <button type=\"button\" id=\"btnCalc\" style=\"font-size:16px; padding:6px 10px;\">Calculate<\/button>\n <\/fieldset>\n <\/form>\n\n <div id=\"result\" style=\"margin-top:16px; font-size:16px;\">\n <h3 style=\"font-size:18px;\">Results<\/h3>\n <div id=\"resultText\">Click \u201cCalculate\u201d.<\/div>\n <\/div>\n <\/section>\n <\/main>\n\n <footer style=\"margin-top:24px;\">\n <p style=\"font-size:14px;\">\n Notes: Use consistent units for (L_A) and (L_B). The calculator keeps (U_{mathrm{per}A} + U_{mathrm{per}B} = U_{mathrm{per}}).\n <\/p>\n <\/footer>\n\n <script>\n function getMode() {\n var radios = document.getElementsByName('mode');\n for (var i = 0; i < radios.length; i++) {\n if (radios[i].checked) return radios[i].value;\n }\n return 'symmetric';\n }\n\n function formatNumber(x) {\n if (!isFinite(x)) return '\u2014';\n var s = String(x);\n if (s.indexOf('e') !== -1 || s.indexOf('E') !== -1) return x.toFixed(6);\n var rounded = Math.round(x * 1000000) \/ 1000000;\n return String(rounded);\n }\n\n function clamp7030(uper, a, b) {\n var minShare = 0.3 * uper;\n var maxShare = 0.7 * uper;\n\n if (a < minShare) {\n a = minShare;\n b = uper - a;\n } else if (a > maxShare) {\n a = maxShare;\n b = uper - a;\n }\n\n if (b < minShare) {\n b = minShare;\n a = uper - b;\n } else if (b > maxShare) {\n b = maxShare;\n a = uper - b;\n }\n\n return { a: a, b: b };\n }\n\n function calculate() {\n var mode = getMode();\n var uper = parseFloat(document.getElementById('uper').value);\n var la = parseFloat(document.getElementById('la').value);\n var lb = parseFloat(document.getElementById('lb').value);\n var applyLimit = document.getElementById('limit7030').checked;\n\n var resultText = document.getElementById('resultText');\n\n if (!isFinite(uper) || uper <= 0) {\n resultText.textContent = 'Enter a positive value for U_per.';\n return;\n }\n\n var a = 0;\n var b = 0;\n var l = 0;\n\n if (mode === 'symmetric') {\n a = uper \/ 2;\n b = uper \/ 2;\n l = la + lb;\n } else {\n if (!isFinite(la) || !isFinite(lb) || la <= 0 || lb <= 0) {\n resultText.textContent = 'Enter positive values for L_A and L_B.';\n return;\n }\n l = la + lb;\n if (l <= 0) {\n resultText.textContent = 'L must be positive (L = L_A + L_B).';\n return;\n }\n\n a = uper * (lb \/ l);\n b = uper * (la \/ l);\n\n if (applyLimit) {\n var clamped = clamp7030(uper, a, b);\n a = clamped.a;\n b = clamped.b;\n }\n }\n\n var minShareText = formatNumber(0.3 * uper);\n var maxShareText = formatNumber(0.7 * uper);\n\n var html = '';\n html += '<p><strong>Inputs<\/strong><\/p>';\n html += '<ul>';\n html += '<li>U<sub>per<\/sub> = ' + formatNumber(uper) + '<\/li>';\n html += '<li>L<sub>A<\/sub> = ' + (isFinite(la) ? formatNumber(la) : '\u2014') + '<\/li>';\n html += '<li>L<sub>B<\/sub> = ' + (isFinite(lb) ? formatNumber(lb) : '\u2014') + '<\/li>';\n html += '<li>L = L<sub>A<\/sub> + L<sub>B<\/sub> = ' + formatNumber(l) + '<\/li>';\n html += '<li>70:30 limitation = ' + (applyLimit ? 'ON' : 'OFF') + '<\/li>';\n html += '<\/ul>';\n\n html += '<p><strong>Allocated permissible residual unbalance<\/strong><\/p>';\n html += '<ul>';\n html += '<li>U<sub>perA<\/sub> = ' + formatNumber(a) + '<\/li>';\n html += '<li>U<sub>perB<\/sub> = ' + formatNumber(b) + '<\/li>';\n html += '<li>Check: U<sub>perA<\/sub> + U<sub>perB<\/sub> = ' + formatNumber(a + b) + '<\/li>';\n html += '<\/ul>';\n\n if (applyLimit) {\n html += '<p><strong>70:30 bounds<\/strong><\/p>';\n html += '<ul>';\n html += '<li>Minimum share = 0.3 \u00b7 U<sub>per<\/sub> = ' + minShareText + '<\/li>';\n html += '<li>Maximum share = 0.7 \u00b7 U<sub>per<\/sub> = ' + maxShareText + '<\/li>';\n html += '<\/ul>';\n }\n\n resultText.innerHTML = html;\n }\n\n document.getElementById('btnCalc').addEventListener('click', calculate);\n\n var inputs = ['uper', 'la', 'lb', 'limit7030'];\n for (var i = 0; i < inputs.length; i++) {\n document.getElementById(inputs[i]).addEventListener('input', function() {});\n }\n <\/script>\n<\/body>\n<\/html>\n<\/div><\/div><\/div><\/div><\/div>","protected":false},"excerpt":{"rendered":"<p>How to Split Permissible Residual Unbalance Between Two Correction Planes (ISO 21940-11) How to Split Total Permissible Residual Unbalance Between Two Planes For a two-support rotor, the total permissible residual unbalance (U_{mathrm{per}}) is distributed between two correction planes based on rotor geometry and the rotor center of mass (CM) position. […]<\/p>\n","protected":false},"featured_media":0,"template":"","meta":{"ai_generated_summary":"","footnotes":""},"categories":[4,54],"tags":[],"class_list":["post-21143","glossary","type-glossary","status-publish","hentry","category-example","category-content"],"_links":{"self":[{"href":"https:\/\/vibromera.eu\/nb\/wp-json\/wp\/v2\/glossary\/21143","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/vibromera.eu\/nb\/wp-json\/wp\/v2\/glossary"}],"about":[{"href":"https:\/\/vibromera.eu\/nb\/wp-json\/wp\/v2\/types\/glossary"}],"version-history":[{"count":5,"href":"https:\/\/vibromera.eu\/nb\/wp-json\/wp\/v2\/glossary\/21143\/revisions"}],"predecessor-version":[{"id":101502,"href":"https:\/\/vibromera.eu\/nb\/wp-json\/wp\/v2\/glossary\/21143\/revisions\/101502"}],"wp:attachment":[{"href":"https:\/\/vibromera.eu\/nb\/wp-json\/wp\/v2\/media?parent=21143"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/vibromera.eu\/nb\/wp-json\/wp\/v2\/categories?post=21143"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/vibromera.eu\/nb\/wp-json\/wp\/v2\/tags?post=21143"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}

\n\n\n \n \n How to Split Permissible Residual Unbalance Between Two Correction Planes (ISO 21940-11)<\/title>\n \n <meta name=\"keywords\" content=\"ISO 21940-11, permissible residual unbalance, Uper, two-plane balancing, unbalance tolerance, split between planes, rotor center of mass, lever rule, 70 30 rule\" \/>\n\n \n <script>\n window.MathJax = {\n tex: { inlineMath: [['(',')'], ['$', '$']] },\n svg: { fontCache: 'global' }\n };\n <\/script>\n <script src=\"https:\/\/cdn.jsdelivr.net\/npm\/mathjax@3\/es5\/tex-svg.js\"><\/script>\n<\/head>\n\n<body>\n <header>\n <h1 style=\"font-size:30px;\">How to Split Total Permissible Residual Unbalance Between Two Planes<\/h1>\n <p style=\"font-size:16px;\">\n For a two-support rotor, the total permissible residual unbalance (U_{mathrm{per}}) is distributed between two correction planes\n based on rotor geometry and the rotor center of mass (CM) position. Below are the core rules from ISO 21940-11, plus the practical 70:30 limitation.\n <\/p>\n <\/header>\n\n <main>\n <section>\n <h2 style=\"font-size:22px;\">Definitions<\/h2>\n <ul style=\"font-size:16px;\">\n <li>(U_{mathrm{per}}): total permissible residual unbalance for the rotor.<\/li>\n <li>(U_{mathrm{per}A}), (U_{mathrm{per}B}): permissible residual unbalance allocated to planes A and B.<\/li>\n <li>(L): distance between planes A and B.<\/li>\n <li>(L_A): distance from CM to plane A.<\/li>\n <li>(L_B): distance from CM to plane B.<\/li>\n <li>Geometry relation: (L = L_A + L_B).<\/li>\n <\/ul>\n <\/section>\n\n <hr \/>\n\n <section>\n <h2 style=\"font-size:22px;\">1) Symmetric Rotor<\/h2>\n <p style=\"font-size:16px;\">\n If the rotor is symmetric and the CM is approximately centered between the planes, split the allowance equally:\n <\/p>\n <p style=\"font-size:16px; text-align:center;\">\n (U_{mathrm{per}A} = U_{mathrm{per}B} = dfrac{U_{mathrm{per}}}{2})\n <\/p>\n <p style=\"font-size:16px;\">\n This method fits most standard cases where the rotor is close to symmetric.\n <\/p>\n <\/section>\n\n <hr \/>\n\n <section>\n <h2 style=\"font-size:22px;\">2) Asymmetric Rotor (Lever Rule)<\/h2>\n <p style=\"font-size:16px;\">\n If the CM shifts toward one support, distribute the allowance using the lever rule,\n proportional to the distance from the CM to the opposite plane:\n <\/p>\n\n <p style=\"font-size:16px; text-align:center;\">\n (U_{mathrm{per}A} = U_{mathrm{per}} cdot dfrac{L_B}{L})\n <\/p>\n <p style=\"font-size:16px; text-align:center;\">\n (U_{mathrm{per}B} = U_{mathrm{per}} cdot dfrac{L_A}{L})\n <\/p>\n\n <p style=\"font-size:16px;\">\n Here, (L) is the distance between planes, and (L_A) and (L_B) are distances from the CM to planes A and B respectively.\n <\/p>\n <\/section>\n\n <hr \/>\n\n <section>\n <h2 style=\"font-size:22px;\">Important Limitation: 70:30 Rule<\/h2>\n <p style=\"font-size:16px;\">\n To avoid extreme accuracy requirements in one plane, the standard recommends limiting the split to a 70:30 ratio.\n Even if the CM is very close to one plane\/support:\n <\/p>\n <ul style=\"font-size:16px;\">\n <li>The smaller share should not be less than (0.3 cdot U_{mathrm{per}}).<\/li>\n <li>The larger share should not exceed (0.7 cdot U_{mathrm{per}}).<\/li>\n <\/ul>\n <p style=\"font-size:16px; text-align:center;\">\n (0.3 cdot U_{mathrm{per}} le U_{mathrm{per}A},, U_{mathrm{per}B} le 0.7 cdot U_{mathrm{per}})\n <\/p>\n <\/section>\n\n <hr \/>\n\n <section>\n <h2 style=\"font-size:22px;\">Calculator<\/h2>\n\n <p style=\"font-size:16px;\">\n Enter (U_{mathrm{per}}) and distances. The calculator supports symmetric split and lever-rule split.\n It also applies the 70:30 limitation when enabled.\n <\/p>\n\n <form id=\"calcForm\" onsubmit=\"return false;\" style=\"font-size:16px;\">\n <fieldset>\n <legend style=\"font-size:18px;\">Mode<\/legend>\n\n <label style=\"display:block; margin:6px 0;\">\n <input type=\"radio\" name=\"mode\" value=\"symmetric\" checked \/>\n Symmetric rotor: (U_{mathrm{per}A} = U_{mathrm{per}B} = U_{mathrm{per}}\/2)\n <\/label>\n\n <label style=\"display:block; margin:6px 0;\">\n <input type=\"radio\" name=\"mode\" value=\"lever\" \/>\n Asymmetric rotor (lever rule): use (L_A) and (L_B)\n <\/label>\n <\/fieldset>\n\n <fieldset style=\"margin-top:14px;\">\n <legend style=\"font-size:18px;\">Inputs<\/legend>\n\n <div style=\"margin:8px 0;\">\n <label for=\"uper\">Total permissible residual unbalance (U_{mathrm{per}}):<\/label><br \/>\n <input id=\"uper\" type=\"number\" step=\"any\" min=\"0\" value=\"100\" style=\"width:240px;\" \/>\n <\/div>\n\n <div style=\"margin:8px 0;\">\n <label for=\"la\">Distance (L_A) (CM to plane A):<\/label><br \/>\n <input id=\"la\" type=\"number\" step=\"any\" min=\"0\" value=\"200\" style=\"width:240px;\" \/>\n <\/div>\n\n <div style=\"margin:8px 0;\">\n <label for=\"lb\">Distance (L_B) (CM to plane B):<\/label><br \/>\n <input id=\"lb\" type=\"number\" step=\"any\" min=\"0\" value=\"200\" style=\"width:240px;\" \/>\n <\/div>\n\n <label style=\"display:block; margin:10px 0;\">\n <input id=\"limit7030\" type=\"checkbox\" checked \/>\n Apply 70:30 limitation\n <\/label>\n\n <button type=\"button\" id=\"btnCalc\" style=\"font-size:16px; padding:6px 10px;\">Calculate<\/button>\n <\/fieldset>\n <\/form>\n\n <div id=\"result\" style=\"margin-top:16px; font-size:16px;\">\n <h3 style=\"font-size:18px;\">Results<\/h3>\n <div id=\"resultText\">Click \u201cCalculate\u201d.<\/div>\n <\/div>\n <\/section>\n <\/main>\n\n <footer style=\"margin-top:24px;\">\n <p style=\"font-size:14px;\">\n Notes: Use consistent units for (L_A) and (L_B). The calculator keeps (U_{mathrm{per}A} + U_{mathrm{per}B} = U_{mathrm{per}}).\n <\/p>\n <\/footer>\n\n <script>\n function getMode() {\n var radios = document.getElementsByName('mode');\n for (var i = 0; i < radios.length; i++) {\n if (radios[i].checked) return radios[i].value;\n }\n return 'symmetric';\n }\n\n function formatNumber(x) {\n if (!isFinite(x)) return '\u2014';\n var s = String(x);\n if (s.indexOf('e') !== -1 || s.indexOf('E') !== -1) return x.toFixed(6);\n var rounded = Math.round(x * 1000000) \/ 1000000;\n return String(rounded);\n }\n\n function clamp7030(uper, a, b) {\n var minShare = 0.3 * uper;\n var maxShare = 0.7 * uper;\n\n if (a < minShare) {\n a = minShare;\n b = uper - a;\n } else if (a > maxShare) {\n a = maxShare;\n b = uper - a;\n }\n\n if (b < minShare) {\n b = minShare;\n a = uper - b;\n } else if (b > maxShare) {\n b = maxShare;\n a = uper - b;\n }\n\n return { a: a, b: b };\n }\n\n function calculate() {\n var mode = getMode();\n var uper = parseFloat(document.getElementById('uper').value);\n var la = parseFloat(document.getElementById('la').value);\n var lb = parseFloat(document.getElementById('lb').value);\n var applyLimit = document.getElementById('limit7030').checked;\n\n var resultText = document.getElementById('resultText');\n\n if (!isFinite(uper) || uper <= 0) {\n resultText.textContent = 'Enter a positive value for U_per.';\n return;\n }\n\n var a = 0;\n var b = 0;\n var l = 0;\n\n if (mode === 'symmetric') {\n a = uper \/ 2;\n b = uper \/ 2;\n l = la + lb;\n } else {\n if (!isFinite(la) || !isFinite(lb) || la <= 0 || lb <= 0) {\n resultText.textContent = 'Enter positive values for L_A and L_B.';\n return;\n }\n l = la + lb;\n if (l <= 0) {\n resultText.textContent = 'L must be positive (L = L_A + L_B).';\n return;\n }\n\n a = uper * (lb \/ l);\n b = uper * (la \/ l);\n\n if (applyLimit) {\n var clamped = clamp7030(uper, a, b);\n a = clamped.a;\n b = clamped.b;\n }\n }\n\n var minShareText = formatNumber(0.3 * uper);\n var maxShareText = formatNumber(0.7 * uper);\n\n var html = '';\n html += '<p><strong>Inputs<\/strong><\/p>';\n html += '<ul>';\n html += '<li>U<sub>per<\/sub> = ' + formatNumber(uper) + '<\/li>';\n html += '<li>L<sub>A<\/sub> = ' + (isFinite(la) ? formatNumber(la) : '\u2014') + '<\/li>';\n html += '<li>L<sub>B<\/sub> = ' + (isFinite(lb) ? formatNumber(lb) : '\u2014') + '<\/li>';\n html += '<li>L = L<sub>A<\/sub> + L<sub>B<\/sub> = ' + formatNumber(l) + '<\/li>';\n html += '<li>70:30 limitation = ' + (applyLimit ? 'ON' : 'OFF') + '<\/li>';\n html += '<\/ul>';\n\n html += '<p><strong>Allocated permissible residual unbalance<\/strong><\/p>';\n html += '<ul>';\n html += '<li>U<sub>perA<\/sub> = ' + formatNumber(a) + '<\/li>';\n html += '<li>U<sub>perB<\/sub> = ' + formatNumber(b) + '<\/li>';\n html += '<li>Check: U<sub>perA<\/sub> + U<sub>perB<\/sub> = ' + formatNumber(a + b) + '<\/li>';\n html += '<\/ul>';\n\n if (applyLimit) {\n html += '<p><strong>70:30 bounds<\/strong><\/p>';\n html += '<ul>';\n html += '<li>Minimum share = 0.3 \u00b7 U<sub>per<\/sub> = ' + minShareText + '<\/li>';\n html += '<li>Maximum share = 0.7 \u00b7 U<sub>per<\/sub> = ' + maxShareText + '<\/li>';\n html += '<\/ul>';\n }\n\n resultText.innerHTML = html;\n }\n\n document.getElementById('btnCalc').addEventListener('click', calculate);\n\n var inputs = ['uper', 'la', 'lb', 'limit7030'];\n for (var i = 0; i < inputs.length; i++) {\n document.getElementById(inputs[i]).addEventListener('input', function() {});\n }\n <\/script>\n<\/body>\n<\/html>\n<\/div><\/div><\/div><\/div><\/div>","protected":false},"excerpt":{"rendered":"<p>How to Split Permissible Residual Unbalance Between Two Correction Planes (ISO 21940-11) How to Split Total Permissible Residual Unbalance Between Two Planes For a two-support rotor, the total permissible residual unbalance (U_{mathrm{per}}) is distributed between two correction planes based on rotor geometry and the rotor center of mass (CM) position. […]<\/p>\n","protected":false},"featured_media":0,"template":"","meta":{"ai_generated_summary":"","footnotes":""},"categories":[4,54],"tags":[],"class_list":["post-21143","glossary","type-glossary","status-publish","hentry","category-example","category-content"],"_links":{"self":[{"href":"https:\/\/vibromera.eu\/nb\/wp-json\/wp\/v2\/glossary\/21143","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/vibromera.eu\/nb\/wp-json\/wp\/v2\/glossary"}],"about":[{"href":"https:\/\/vibromera.eu\/nb\/wp-json\/wp\/v2\/types\/glossary"}],"version-history":[{"count":5,"href":"https:\/\/vibromera.eu\/nb\/wp-json\/wp\/v2\/glossary\/21143\/revisions"}],"predecessor-version":[{"id":101502,"href":"https:\/\/vibromera.eu\/nb\/wp-json\/wp\/v2\/glossary\/21143\/revisions\/101502"}],"wp:attachment":[{"href":"https:\/\/vibromera.eu\/nb\/wp-json\/wp\/v2\/media?parent=21143"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/vibromera.eu\/nb\/wp-json\/wp\/v2\/categories?post=21143"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/vibromera.eu\/nb\/wp-json\/wp\/v2\/tags?post=21143"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}