{"id":25068,"date":"2026-11-06T05:51:06","date_gmt":"2026-11-06T05:51:06","guid":{"rendered":"https:\/\/www.mechstream.com\/?p=25068"},"modified":"2026-11-06T05:51:09","modified_gmt":"2026-11-06T05:51:09","slug":"blanking-force-calculator","status":"publish","type":"post","link":"https:\/\/www.mechstream.com\/ar\/blanking-force-calculator\/","title":{"rendered":"Blanking Force Calculator"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">The <strong>Blanking Force Calculator<\/strong> estimates the force required to punch or blank sheet metal based on the material\u2019s shear strength, thickness, and total cutting perimeter. Enter your production details to get an estimated force in kN and metric tons-force, helping you plan press capacity and tooling requirements. Actual force may vary with material grade, tool clearance, cutting geometry, and machine setup, so confirm the result with your equipment manufacturer.<\/p>\n\n\n\n<div class=\"bfcx-host\">\n<style>:host{all:initial;display:block;contain:layout style} .bfc-root{ --bfc-blue:#1e3a8a;--bfc-blue-2:#1d4ed8;--bfc-blue-soft:#e8eefb;--bfc-blue-line:#c7d4f0; --bfc-bg:#f3f5f8;--bfc-card:#ffffff;--bfc-text:#1f2937;--bfc-heading:#111827;--bfc-muted:#525c6b; --bfc-border:#d6dce5;--bfc-field:#fbfcfe;--bfc-danger:#b42318;--bfc-danger-bg:#fef3f2; --bfc-radius:12px;--bfc-shadow:0 1px 2px rgba(16,24,40,.06),0 6px 16px rgba(16,24,40,.06); font-family:system-ui,-apple-system,\"Segoe UI\",Roboto,\"Helvetica Neue\",Arial,\"Noto Sans\",sans-serif; font-size:16px;line-height:1.55;color:var(--bfc-text);background:var(--bfc-bg); max-width:1000px;margin:0 auto;padding:28px 16px 36px;text-align:left;border-radius:16px; -webkit-text-size-adjust:100%; } .bfc-root *,.bfc-root *::before,.bfc-root 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td{text-align:left;padding:9px 10px;border:0;border-bottom:1px solid var(--bfc-border);vertical-align:top;background:none} .bfc-root .bfc-table th{font-weight:600;color:var(--bfc-muted);width:42%} .bfc-root .bfc-table td{color:var(--bfc-heading);font-weight:600} .bfc-root .bfc-table tr:last-child th,.bfc-root .bfc-table tr:last-child td{border-bottom:0} .bfc-root .bfc-formula{background:#0f1f45;color:#e6edff;padding:14px 16px;border-radius:10px;margin:14px 0 0} .bfc-root .bfc-formula-label{display:block;font-size:.74rem;font-weight:700;text-transform:uppercase;letter-spacing:.05em;color:#b4c4ec;margin-bottom:4px} .bfc-root .bfc-formula-sub{font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:.86rem;color:#e6edff;word-break:break-word;margin:0;line-height:1.6} .bfc-root .bfc-disclaimer{font-size:.85rem;color:var(--bfc-muted);background:#f6f8fb;border-left:3px solid var(--bfc-blue-line);padding:10px 12px;border-radius:0 8px 8px 0;margin:16px 0 0} .bfc-root .bfc-disclaimer strong{color:var(--bfc-heading)} .bfc-root .bfc-sr{position:absolute !important;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0} @media (max-width:600px){ .bfc-root{padding:20px 12px 28px;border-radius:0} .bfc-root .bfc-card{padding:16px} .bfc-root .bfc-row,.bfc-root .bfc-rgrid{grid-template-columns:minmax(0,1fr)} .bfc-root .bfc-btn{flex:1 1 100%} .bfc-root .bfc-table th{width:50%} } @media (prefers-reduced-motion:reduce){ .bfc-root *{transition:none !important} }<\/style>\n<div class=\"bfc-root\" id=\"bfc-app\">\n<div class=\"bfc-stack\">\n<section class=\"bfc-card\" aria-labelledby=\"bfc-inputs-title\">\n<h2 class=\"bfc-h\" id=\"bfc-inputs-title\">Blanking \/ Punching Inputs<\/h2>\n<div id=\"bfc-form\">\n<div class=\"bfc-row\">\n<div class=\"bfc-field\">\n<label for=\"bfc-mat\">Material Type<\/label>\n<select id=\"bfc-mat\" class=\"bfc-select\" aria-describedby=\"bfc-mat-help\">\n<option value=\"mild\">Mild Steel (\u2248 350 MPa)<\/option>\n<option value=\"stainless\">Stainless Steel (\u2248 500 MPa)<\/option>\n<option value=\"aluminum\">Aluminum (\u2248 140 MPa)<\/option>\n<option value=\"custom\">Custom (enter shear strength)<\/option>\n<\/select>\n<p class=\"bfc-help\" id=\"bfc-mat-help\"><\/p>\n<\/div>\n<div class=\"bfc-field\">\n<label for=\"bfc-ss\">Material Shear Strength<span class=\"bfc-req\" id=\"bfc-ss-req\" aria-hidden=\"true\" hidden>*<\/span><\/label>\n<div class=\"bfc-inline\">\n<input id=\"bfc-ss\" class=\"bfc-input\" type=\"text\" inputmode=\"decimal\" aria-describedby=\"bfc-ss-err bfc-ss-help\">\n<select id=\"bfc-ss-unit\" class=\"bfc-select bfc-unit\" aria-label=\"Shear strength unit\">\n<option value=\"mpa\">MPa<\/option>\n<option value=\"nmm2\">N\/mm\u00b2<\/option>\n<option value=\"psi\">psi<\/option>\n<\/select>\n<\/div>\n<p class=\"bfc-err\" id=\"bfc-ss-err\" hidden><\/p>\n<p class=\"bfc-help\" id=\"bfc-ss-help\"><\/p>\n<\/div>\n<div class=\"bfc-field\">\n<label for=\"bfc-t\">Material Thickness<span class=\"bfc-req\" aria-hidden=\"true\">*<\/span><\/label>\n<div class=\"bfc-inline\">\n<input id=\"bfc-t\" class=\"bfc-input\" type=\"text\" inputmode=\"decimal\" aria-required=\"true\" aria-describedby=\"bfc-t-err\">\n<select id=\"bfc-t-unit\" class=\"bfc-select bfc-unit\" aria-label=\"Thickness unit\">\n<option value=\"mm\">mm<\/option>\n<option value=\"in\">in<\/option>\n<\/select>\n<\/div>\n<p class=\"bfc-err\" id=\"bfc-t-err\" hidden><\/p>\n<\/div>\n<div class=\"bfc-field\">\n<label for=\"bfc-l\">Total Cutting Perimeter<span class=\"bfc-req\" aria-hidden=\"true\">*<\/span><\/label>\n<div class=\"bfc-inline\">\n<input id=\"bfc-l\" class=\"bfc-input\" type=\"text\" inputmode=\"decimal\" aria-required=\"true\" aria-describedby=\"bfc-l-err bfc-l-help\">\n<select id=\"bfc-l-unit\" class=\"bfc-select bfc-unit\" aria-label=\"Cutting perimeter unit\">\n<option value=\"mm\">mm<\/option>\n<option value=\"in\">in<\/option>\n<\/select>\n<\/div>\n<p class=\"bfc-err\" id=\"bfc-l-err\" hidden><\/p>\n<p class=\"bfc-help\" id=\"bfc-l-help\">Total length of all edges sheared in one stroke: outer contour plus every hole punched at the same time. Example: a \u00d820 mm hole = \u03c0 \u00d7 20 \u2248 62.83 mm.<\/p>\n<\/div>\n<div class=\"bfc-field\">\n<label for=\"bfc-sf\">Safety Factor<span class=\"bfc-opt\">(optional)<\/span><\/label>\n<input id=\"bfc-sf\" class=\"bfc-input\" type=\"text\" inputmode=\"decimal\" aria-describedby=\"bfc-sf-err bfc-sf-help\">\n<p class=\"bfc-err\" id=\"bfc-sf-err\" hidden><\/p>\n<p class=\"bfc-help\" id=\"bfc-sf-help\">Must be 1 or greater. Default 1.2. Leave blank to skip the design force.<\/p>\n<\/div>\n<\/div>\n<div class=\"bfc-actions\">\n<button type=\"button\" class=\"bfc-btn\" id=\"bfc-calc\">Calculate<\/button>\n<\/div>\n<p class=\"bfc-sr\" id=\"bfc-status\" role=\"status\" aria-live=\"polite\"><\/p>\n<\/div>\n<\/section>\n<section class=\"bfc-card bfc-results\" aria-labelledby=\"bfc-results-title\" id=\"bfc-results\" tabindex=\"-1\" hidden>\n<h2 class=\"bfc-h\" id=\"bfc-results-title\">Results<\/h2>\n<div class=\"bfc-alert\" id=\"bfc-error\" role=\"alert\" hidden><\/div>\n<div id=\"bfc-body\">\n<p class=\"bfc-sub-h\">Estimated blanking force<\/p>\n<div class=\"bfc-rgrid\">\n<div class=\"bfc-rcard\">\n<span class=\"bfc-rcard-label\">Blanking force<\/span>\n<div class=\"bfc-rcard-value\"><span id=\"bfc-r-kn\"><\/span><span class=\"bfc-rcard-unit\">kN<\/span><\/div>\n<div class=\"bfc-rcard-sub\" id=\"bfc-r-n\"><\/div>\n<\/div>\n<div class=\"bfc-rcard\">\n<span class=\"bfc-rcard-label\">Metric tons-force<\/span>\n<div class=\"bfc-rcard-value\"><span id=\"bfc-r-tf\"><\/span><span class=\"bfc-rcard-unit\">tf<\/span><\/div>\n<div class=\"bfc-rcard-sub\">1 tf \u2248 9.80665 kN<\/div>\n<\/div>\n<\/div>\n<div class=\"bfc-adj\" id=\"bfc-adj\">\n<span class=\"bfc-rcard-label\">Design force with safety factor<\/span>\n<div class=\"bfc-adj-main\"><span id=\"bfc-r-adj-kn\"><\/span><span class=\"bfc-rcard-unit\">kN<\/span><\/div>\n<div class=\"bfc-adj-alt\" id=\"bfc-r-adj-tf\"><\/div>\n<div class=\"bfc-adj-note\" id=\"bfc-r-adj-note\"><\/div>\n<\/div>\n<table class=\"bfc-table\">\n<caption class=\"bfc-sub-h\">Calculation summary<\/caption>\n<tbody>\n<tr><th scope=\"row\">Material<\/th><td id=\"bfc-s-mat\"><\/td><\/tr>\n<tr><th scope=\"row\">Shear strength used<\/th><td id=\"bfc-s-ss\"><\/td><\/tr>\n<tr><th scope=\"row\">Material thickness<\/th><td id=\"bfc-s-t\"><\/td><\/tr>\n<tr><th scope=\"row\">Total cutting perimeter<\/th><td id=\"bfc-s-l\"><\/td><\/tr>\n<tr><th scope=\"row\">Safety factor<\/th><td id=\"bfc-s-sf\"><\/td><\/tr>\n<\/tbody>\n<\/table>\n<div class=\"bfc-formula\">\n<span class=\"bfc-formula-label\">Formula: F = L \u00d7 t \u00d7 \u03c4<\/span>\n<p class=\"bfc-formula-sub\" id=\"bfc-d\"><\/p>\n<\/div>\n<\/div>\n<p class=\"bfc-disclaimer\"><strong>Important:<\/strong> This calculation is an estimate. Actual press requirements may vary with material grade, clearance, tool condition, cutting geometry, stripping force, and machine setup. Confirm machine capacity and tooling requirements with the manufacturer or a qualified engineer.<\/p>\n<\/section>\n<\/div>\n<\/div>\n<\/div>\n<!--noptimize--><script data-no-optimize=\"1\" data-no-defer=\"1\" data-no-minify=\"1\" data-cfasync=\"false\" data-pagespeed-no-defer nowprocket data-noptimize=\"1\">(function () { 'use strict'; function lt(a, b) { return a !== b ? Math.max(a, b) === b : false; } function ge(a, b) { return Math.max(a, b) === a; } function le(a, b) { return Math.min(a, b) === a; } function setup(host) { if (host.getAttribute('data-bfcx-ready') === '1') return; if (!host.querySelector('.bfc-root')) return; host.setAttribute('data-bfcx-ready', '1'); var scope = host; if (host.attachShadow) { scope = host.attachShadow({ mode: 'open' }); while (host.firstChild) scope.appendChild(host.firstChild); } function $(id) { return scope.getElementById ? scope.getElementById(id) : scope.querySelector('#' + id); } var root = $('bfc-app'); if (!root) return; var MM_PER_IN = 25.4; var PSI_PER_MPA = 145.0377377; var KN_PER_TF = 9.80665; var DEFAULT_SF = '1.2'; var MATERIALS = { mild: { name: 'Mild Steel', ss: 350, note: 'Typical shear strength of low-carbon steel (\u2248 350 MPa). Edit to match your grade.' }, stainless: { name: 'Stainless Steel', ss: 500, note: 'Typical for annealed austenitic grades such as 304 (\u2248 500 MPa). Edit to match your grade.' }, aluminum: { name: 'Aluminum', ss: 140, note: 'Typical for 5052-H32 sheet (\u2248 140 MPa). Alloys and tempers vary widely.' }, custom: { name: 'Custom material', ss: null, note: 'Enter the shear strength from your material certificate or datasheet.' } }; function parseNum(raw) { var s = String(raw == null ? '' : raw).trim().replace(\/\\s+\/g, ''); if (s === '') return { empty: true, ok: false }; if (\/^[+-]?\\d{1,3}(,\\d{3})+(\\.\\d+)?$\/.test(s)) { s = s.replace(\/,\/g, ''); } else if (\/^[+-]?\\d*,\\d+$\/.test(s)) { s = s.replace(',', '.'); } if (!\/^[+-]?(\\d+\\.?\\d*|\\.\\d+)(e[+-]?\\d+)?$\/i.test(s)) return { empty: false, ok: false }; var n = Number(s); if (!isFinite(n)) return { empty: false, ok: false }; return { empty: false, ok: true, n: n }; } function fmt(n) { if (typeof n !== 'number' || !isFinite(n)) return '\u2014'; var a = Math.abs(n), d; if (a === 0) { d = 2; } else if (ge(a, 1000)) { d = 1; } else if (ge(a, 1)) { d = 2; } else if (ge(a, 0.01)) { d = 4; } else { return Number(n.toPrecision(3)).toString(); } return n.toLocaleString('en-US', { minimumFractionDigits: d, maximumFractionDigits: d }); } function g(n, p) { if (typeof n !== 'number' || !isFinite(n)) return '\u2014'; return Number(n.toPrecision(p || 6)).toLocaleString('en-US', { maximumFractionDigits: 10 }); } function plain(n, p) { return String(Number(n.toPrecision(p || 6))); } function mk(tag, text) { var e = document.createElement(tag); if (text != null) e.textContent = text; return e; } function toMm(v, u) { return u === 'in' ? v * MM_PER_IN : v; } function fromMm(mm, u) { return u === 'in' ? mm \/ MM_PER_IN : mm; } function toNmm2(v, u) { return u === 'psi' ? v \/ PSI_PER_MPA : v; } function fromNmm2(v, u) { return u === 'psi' ? v * PSI_PER_MPA : v; } var LABEL = { ss: 'Shear strength', t: 'Material thickness', l: 'Total cutting perimeter', sf: 'Safety factor' }; var KEYS = ['ss', 't', 'l', 'sf']; function setErr(key, msg) { var el = $('bfc-' + key), er = $('bfc-' + key + '-err'); if (msg) { el.classList.add('bfc-invalid'); el.setAttribute('aria-invalid', 'true'); er.textContent = msg; er.hidden = false; } else { el.classList.remove('bfc-invalid'); el.removeAttribute('aria-invalid'); er.textContent = ''; er.hidden = true; } } function clearAllErrors() { KEYS.forEach(function (k) { setErr(k, null); }); } function check(key) { var p = parseNum($('bfc-' + key).value); if (key === 'sf') { if (p.empty) return null; if (!p.ok) return 'Safety factor must be a valid number.'; if (lt(p.n, 1)) return 'Safety factor must be 1 or greater.'; return null; } if (p.empty) { if (key === 'ss') { if ($('bfc-mat').value === 'custom') return 'Shear strength is required for a custom material.'; } return LABEL[key] + ' is required.'; } if (!p.ok) return LABEL[key] + ' must be a valid number.'; if (le(p.n, 0)) return LABEL[key] + ' must be greater than zero.'; return null; } function applyMaterial(focusCustom) { var key = $('bfc-mat').value, m = MATERIALS[key]; $('bfc-mat-help').textContent = m.note; $('bfc-ss-req').hidden = key !== 'custom'; if (key === 'custom') { $('bfc-ss').setAttribute('aria-required', 'true'); } else { $('bfc-ss').removeAttribute('aria-required'); } setErr('ss', null); if (m.ss === null) { $('bfc-ss').value = ''; $('bfc-ss-help').textContent = 'Required for a custom material.'; if (focusCustom) $('bfc-ss').focus(); } else { $('bfc-ss').value = plain(fromNmm2(m.ss, $('bfc-ss-unit').value), 5); $('bfc-ss-help').textContent = 'Pre-filled reference value for the selected material. You can edit it.'; } } function showErrors(errs) { var box = $('bfc-error'); box.textContent = ''; box.appendChild(mk('strong', 'Please correct the following input' + (errs.length === 1 ? '' : 's') + ':')); var ul = mk('ul'); errs.forEach(function (e) { ul.appendChild(mk('li', e)); }); box.appendChild(ul); box.hidden = false; $('bfc-body').hidden = true; } function render(R) { $('bfc-error').hidden = true; $('bfc-body').hidden = false; $('bfc-r-kn').textContent = fmt(R.F_kN); $('bfc-r-n').textContent = '= ' + fmt(R.F_N) + ' N'; $('bfc-r-tf').textContent = fmt(R.F_tf); var adj = $('bfc-adj'); if (R.adj_kN !== null) { adj.hidden = false; $('bfc-r-adj-kn').textContent = fmt(R.adj_kN); $('bfc-r-adj-tf').textContent = '= ' + fmt(R.adj_kN \/ KN_PER_TF) + ' tf'; $('bfc-r-adj-note').textContent = 'Blanking force \u00d7 safety factor ' + g(R.sf, 4) + '.'; } else { adj.hidden = true; } var m = MATERIALS[R.mat]; $('bfc-s-mat').textContent = m.name; var ssTxt = g(R.ss, 5) + ' N\/mm\u00b2'; if (R.u.ss === 'psi') { ssTxt += ' (from ' + g(R.ssIn) + ' psi)'; } else if (m.ss !== null) { if (lt(0.05, Math.abs(R.ss - m.ss))) ssTxt += ' (edited from ' + m.ss + ' reference)'; } $('bfc-s-ss').textContent = ssTxt; $('bfc-s-t').textContent = g(R.t) + ' mm' + (R.u.t === 'in' ? ' (from ' + g(R.tIn) + ' in)' : ''); $('bfc-s-l').textContent = g(R.L) + ' mm' + (R.u.l === 'in' ? ' (from ' + g(R.lIn) + ' in)' : ''); $('bfc-s-sf').textContent = R.sf !== null ? g(R.sf, 4) : 'Not applied'; var lines = []; if (R.u.ss === 'psi') lines.push('Shear strength = ' + g(R.ssIn) + ' psi \u00f7 145.0377 = ' + g(R.ss, 5) + ' N\/mm\u00b2'); if (R.u.t === 'in') lines.push('Thickness = ' + g(R.tIn) + ' in \u00d7 25.4 = ' + g(R.t) + ' mm'); if (R.u.l === 'in') lines.push('Perimeter = ' + g(R.lIn) + ' in \u00d7 25.4 = ' + g(R.L) + ' mm'); lines.push('Blanking force = ' + g(R.L) + ' mm \u00d7 ' + g(R.t) + ' mm \u00d7 ' + g(R.ss, 5) + ' N\/mm\u00b2 = ' + fmt(R.F_N) + ' N = ' + fmt(R.F_kN) + ' kN'); lines.push('Tons-force = ' + fmt(R.F_kN) + ' kN \u00f7 9.80665 = ' + fmt(R.F_tf) + ' tf'); if (R.adj_kN !== null) lines.push('Design force = ' + fmt(R.F_kN) + ' kN \u00d7 ' + g(R.sf, 4) + ' = ' + fmt(R.adj_kN) + ' kN = ' + fmt(R.adj_kN \/ KN_PER_TF) + ' tf'); var d = $('bfc-d'); d.textContent = ''; lines.forEach(function (t, i) { if (i) d.appendChild(document.createElement('br')); d.appendChild(document.createTextNode(t)); }); $('bfc-status').textContent = 'Calculated. Estimated blanking force ' + fmt(R.F_kN) + ' kilonewtons, ' + fmt(R.F_tf) + ' metric tons-force' + (R.adj_kN !== null ? '. Design force ' + fmt(R.adj_kN) + ' kilonewtons.' : '.'); } function compute() { clearAllErrors(); var errs = []; KEYS.forEach(function (k) { var m = check(k); if (m) { setErr(k, m); errs.push(m); } }); if (errs.length) { showErrors(errs); return false; } var u = { ss: $('bfc-ss-unit').value, t: $('bfc-t-unit').value, l: $('bfc-l-unit').value }; var ssIn = parseNum($('bfc-ss').value).n, tIn = parseNum($('bfc-t').value).n, lIn = parseNum($('bfc-l').value).n; var sfP = parseNum($('bfc-sf').value), sf = sfP.ok ? sfP.n : null; var ss = toNmm2(ssIn, u.ss), t = toMm(tIn, u.t), L = toMm(lIn, u.l); var F_N = L * t * ss; if (!isFinite(F_N) || le(F_N, 0)) { showErrors(['The result is outside the numeric range that can be represented. Check the magnitude of your inputs.']); return false; } var F_kN = F_N \/ 1000, F_tf = F_kN \/ KN_PER_TF; var adj_kN = sf !== null ? F_kN * sf : null; render({ mat: $('bfc-mat').value, u: u, ssIn: ssIn, tIn: tIn, lIn: lIn, ss: ss, t: t, L: L, sf: sf, F_N: F_N, F_kN: F_kN, F_tf: F_tf, adj_kN: adj_kN }); return true; } function run() { var res = $('bfc-results'), first = res.hidden; res.hidden = false; if (!compute()) { $('bfc-status').textContent = 'Some inputs need attention.'; var bad = root.querySelector('.bfc-invalid'); if (bad) bad.focus(); } else if (first) { if (res.scrollIntoView) res.scrollIntoView({ behavior: 'smooth', block: 'nearest' }); } } function setUnit(id, val) { var s = $(id); s.value = val; s.setAttribute('data-prev', val); } function init() { $('bfc-mat').value = 'mild'; setUnit('bfc-ss-unit', 'mpa'); setUnit('bfc-t-unit', 'mm'); setUnit('bfc-l-unit', 'mm'); $('bfc-t').value = ''; $('bfc-l').value = ''; $('bfc-sf').value = DEFAULT_SF; clearAllErrors(); applyMaterial(false); $('bfc-results').hidden = true; } root.addEventListener('change', function (e) { var el = e.target; if (el.id === 'bfc-mat') { applyMaterial(true); return; } if (!el.classList.contains('bfc-unit')) return; var key = el.id.replace('bfc-', '').replace('-unit', ''); var input = $('bfc-' + key), prev = el.getAttribute('data-prev'), next = el.value; var p = parseNum(input.value); if (p.ok) { if (prev) { if (prev !== next) { var v = key === 'ss' ? fromNmm2(toNmm2(p.n, prev), next) : fromMm(toMm(p.n, prev), next); input.value = plain(v, 6); } } } el.setAttribute('data-prev', next); }); root.addEventListener('input', function (e) { var el = e.target; if (!el.classList) return; if (!el.classList.contains('bfc-input')) return; if (!el.classList.contains('bfc-invalid')) return; var key = el.id.replace('bfc-', ''); if (!check(key)) setErr(key, null); }); root.addEventListener('keydown', function (e) { if (e.key !== 'Enter') return; var el = e.target; if (!el.classList) return; if (!el.classList.contains('bfc-input')) return; e.preventDefault(); run(); }); $('bfc-calc').addEventListener('click', run); init(); } function boot() { var hosts = document.querySelectorAll('.bfcx-host'); for (var i = 0; i !== hosts.length; i++) setup(hosts[i]); } boot(); if (document.readyState === 'loading') document.addEventListener('DOMContentLoaded', boot); })();<\/script><!--\/noptimize-->\n","protected":false},"excerpt":{"rendered":"<p>The Blanking Force Calculator estimates the force required to punch or blank sheet metal based on the material\u2019s shear strength, thickness, and total cutting perimeter&#8230;.<\/p>","protected":false},"author":2,"featured_media":25069,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"pmpro_default_level":"","_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_hide_featured_image":false,"_jetpack_featured_image_duplicate_dismissed":0,"_jetpack_feature_clip_id":0,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_post_was_ever_published":false},"categories":[8808],"tags":[8838,8839,8706,2396],"class_list":["post-25068","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-manufacturing-and-processes","tag-blanking","tag-press-capacity","tag-punching-force","tag-sheet-metal","pmpro-has-access"],"acf":[],"jetpack_sharing_enabled":true,"jetpack_featured_media_url":"https:\/\/www.mechstream.com\/wp-content\/uploads\/2026\/11\/Blanking-Force-Calculator.png","_links":{"self":[{"href":"https:\/\/www.mechstream.com\/ar\/wp-json\/wp\/v2\/posts\/25068","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.mechstream.com\/ar\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.mechstream.com\/ar\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.mechstream.com\/ar\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.mechstream.com\/ar\/wp-json\/wp\/v2\/comments?post=25068"}],"version-history":[{"count":1,"href":"https:\/\/www.mechstream.com\/ar\/wp-json\/wp\/v2\/posts\/25068\/revisions"}],"predecessor-version":[{"id":25070,"href":"https:\/\/www.mechstream.com\/ar\/wp-json\/wp\/v2\/posts\/25068\/revisions\/25070"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.mechstream.com\/ar\/wp-json\/wp\/v2\/media\/25069"}],"wp:attachment":[{"href":"https:\/\/www.mechstream.com\/ar\/wp-json\/wp\/v2\/media?parent=25068"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.mechstream.com\/ar\/wp-json\/wp\/v2\/categories?post=25068"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.mechstream.com\/ar\/wp-json\/wp\/v2\/tags?post=25068"}],"curies":[{"name":"\u0648\u0648\u0631\u062f\u0628\u0631\u064a\u0633","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}