Calculateur de mouvement intermittent de poulie \u00e0 courroie<\/title>\n <style>\n :root {\n --primary-color: #3498db;\n --secondary-color: #2980b9;\n --text-color: #333;\n --light-gray: #f5f5f5;\n --medium-gray: #e0e0e0;\n --border-color: #ddd;\n --success-color: #27ae60;\n }\n \n * {\n box-sizing: border-box;\n margin: 0;\n padding: 0;\n font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;\n }\n \n body {\n color: var(--text-color);\n line-height: 1.6;\n font-size: 16px;\n padding: 20px;\n max-width: 1200px;\n margin: 0 auto;\n }\n \n .calculator-container {\n display: flex;\n flex-direction: column;\n gap: 40px;\n }\n \n \/* Parameter Explanation Section *\/\n .parameter-explanation {\n background-color: var(--light-gray);\n padding: 30px;\n border-radius: 10px;\n margin-bottom: 30px;\n }\n \n .parameter-explanation h3 {\n margin-bottom: 20px;\n color: var(--primary-color);\n }\n \n .parameter-list {\n display: grid;\n grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));\n gap: 20px;\n }\n \n .parameter-item {\n display: flex;\n align-items: flex-start;\n gap: 10px;\n }\n \n .parameter-icon {\n background-color: var(--primary-color);\n color: white;\n width: 30px;\n height: 30px;\n border-radius: 50%;\n display: flex;\n align-items: center;\n justify-content: center;\n flex-shrink: 0;\n }\n \n \/* Diagram Section *\/\n .diagram-section {\n text-align: center;\n margin-bottom: 10px;\n }\n \n .diagram-section img,\n .diagram-section svg {\n max-width: 100%;\n height: auto;\n border: none;\n border-radius: 5px;\n margin: 0 auto;\n display: block;\n margin-bottom: 0;\n }\n \n .diagram-section h3 {\n margin-bottom: 20px;\n color: var(--primary-color);\n }\n \n \/* Calculator Form Section *\/\n .calculator-form {\n background-color: var(--light-gray);\n padding: 30px;\n border-radius: 10px;\n margin-bottom: 30px;\n }\n \n .calculator-form h3 {\n margin-bottom: 25px;\n color: var(--primary-color);\n text-align: center;\n }\n \n .form-grid {\n display: grid;\n grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));\n gap: 20px;\n }\n \n .form-group {\n margin-bottom: 15px;\n }\n \n .form-group label {\n display: block;\n margin-bottom: 8px;\n font-weight: 600;\n }\n \n .form-group input,\n .form-group select {\n width: 100%;\n padding: 12px;\n border: 1px solid var(--border-color);\n border-radius: 5px;\n font-size: 16px;\n transition: border-color 0.3s;\n }\n \n .form-group input:focus,\n .form-group select:focus {\n border-color: var(--primary-color);\n outline: none;\n }\n \n .unit {\n display: inline-block;\n margin-left: 5px;\n color: #666;\n }\n \n .calculate-btn {\n background-color: var(--primary-color);\n color: white;\n border: none;\n padding: 12px 25px;\n font-size: 16px;\n font-weight: 600;\n border-radius: 5px;\n cursor: pointer;\n transition: background-color 0.3s;\n margin-top: 20px;\n width: 100%;\n max-width: 300px;\n }\n \n .calculate-btn:hover {\n background-color: var(--secondary-color);\n }\n \n \/* Results Section *\/\n .results-section {\n background-color: var(--light-gray);\n padding: 30px;\n border-radius: 10px;\n margin-bottom: 30px;\n display: none;\n }\n \n .results-section.active {\n display: block;\n animation: fadeIn 0.5s;\n }\n \n @keyframes fadeIn {\n from { opacity: 0; }\n to { opacity: 1; }\n }\n \n .results-section h3 {\n margin-bottom: 25px;\n color: var(--primary-color);\n text-align: center;\n }\n \n .results-grid {\n display: grid;\n grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));\n gap: 20px;\n }\n \n .result-item {\n background-color: white;\n padding: 20px;\n border-radius: 5px;\n box-shadow: 0 2px 5px rgba(0,0,0,0.1);\n }\n \n .result-item h4 {\n margin-bottom: 10px;\n color: var(--primary-color);\n }\n \n .result-value {\n font-size: 1.8rem;\n font-weight: 700;\n color: var(--success-color);\n }\n \n \/* Responsive Styles *\/\n @media (max-width: 768px) {\n .form-grid, \n .results-grid,\n .parameter-list {\n grid-template-columns: 1fr;\n }\n \n .calculator-title h1 {\n font-size: 2rem;\n }\n \n .parameter-explanation,\n .calculator-form,\n .results-section {\n padding: 20px;\n }\n }\n \n \/* For image diagrams placeholder *\/\n .diagram-placeholder {\n background-color: var(--medium-gray);\n width: 100%;\n max-width: 600px;\n height: 350px;\n margin: 0 auto;\n display: flex;\n align-items: center;\n justify-content: center;\n border-radius: 5px;\n color: #666;\n font-weight: 600;\n }\n <\/style>\n<\/head>\n<body>\n <div class=\"calculator-container\">\n \n <div class=\"parameter-explanation\">\n <h3>Param\u00e8tres cl\u00e9s expliqu\u00e9s<\/h3>\n <div class=\"parameter-list\">\n <div class=\"parameter-item\">\n <div class=\"parameter-icon\">D<\/div>\n <div>\n <strong>Diam\u00e8tre de la poulie<\/strong>:Le diam\u00e8tre de la poulie motrice ou men\u00e9e dans le syst\u00e8me.\n <\/div>\n <\/div>\n <div class=\"parameter-item\">\n <div class=\"parameter-icon\">\u03c9<\/div>\n <div>\n <strong>Vitesse angulaire<\/strong>:La vitesse de rotation de la poulie motrice.\n <\/div>\n <\/div>\n <div class=\"parameter-item\">\n <div class=\"parameter-icon\">\u03b2<\/div>\n <div>\n <strong>Angle de mouvement<\/strong>:L'angle selon lequel l'\u00e9l\u00e9ment entra\u00een\u00e9 se d\u00e9place au cours d'un cycle.\n <\/div>\n <\/div>\n <div class=\"parameter-item\">\n <div class=\"parameter-icon\">T<\/div>\n <div>\n <strong>Temps de cycle<\/strong>:Le temps total n\u00e9cessaire \u00e0 un cycle complet de mouvement.\n <\/div>\n <\/div>\n <div class=\"parameter-item\">\n <div class=\"parameter-icon\">\u03c4<\/div>\n <div>\n <strong>Taux de s\u00e9jour<\/strong>:Le rapport entre le temps de s\u00e9jour et le temps de cycle total.\n <\/div>\n <\/div>\n <div class=\"parameter-item\">\n <div class=\"parameter-icon\">un<\/div>\n <div>\n <strong>Acc\u00e9l\u00e9ration<\/strong>:Le taux de variation de la vitesse pendant la p\u00e9riode de mouvement.\n <\/div>\n <\/div>\n <\/div>\n <\/div>\n \n \n <div class=\"diagram-section\">\n <h3>Diagramme du syst\u00e8me de mouvement intermittent<\/h3>\n <svg width=\"600\" height=\"350\" viewbox=\"0 0 600 350\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\">\n \n <rect width=\"600\" height=\"350\" fill=\"#fafafa\" rx=\"5\" ry=\"5\"\/>\n \n \n <circle cx=\"200\" cy=\"150\" r=\"60\" fill=\"#fff\" stroke=\"#333\" stroke-width=\"2\"\/>\n <circle cx=\"200\" cy=\"150\" r=\"12\" fill=\"#3498db\" stroke=\"#2980b9\" stroke-width=\"1\"\/>\n <text x=\"200\" y=\"150\" text-anchor=\"middle\" dominant-baseline=\"middle\" font-size=\"16\" font-weight=\"bold\" fill=\"#fff\">D1<\/text>\n \n \n <circle cx=\"400\" cy=\"150\" r=\"80\" fill=\"#fff\" stroke=\"#333\" stroke-width=\"2\"\/>\n <circle cx=\"400\" cy=\"150\" r=\"12\" fill=\"#3498db\" stroke=\"#2980b9\" stroke-width=\"1\"\/>\n <text x=\"400\" y=\"150\" text-anchor=\"middle\" dominant-baseline=\"middle\" font-size=\"16\" font-weight=\"bold\" fill=\"#fff\">D2<\/text>\n \n \n <path d=\"M 257 120 C 300 120, 340 120, 343 120\" stroke=\"#333\" stroke-width=\"6\" fill=\"none\"\/>\n <path d=\"M 257 180 C 300 180, 340 180, 343 180\" stroke=\"#333\" stroke-width=\"6\" fill=\"none\"\/>\n <path d=\"M 200 90 A 60 60 0 0 1 257 120\" stroke=\"#333\" stroke-width=\"6\" fill=\"none\"\/>\n <path d=\"M 200 210 A 60 60 0 0 0 257 180\" stroke=\"#333\" stroke-width=\"6\" fill=\"none\"\/>\n <path d=\"M 400 70 A 80 80 0 0 0 343 120\" stroke=\"#333\" stroke-width=\"6\" fill=\"none\"\/>\n <path d=\"M 400 230 A 80 80 0 0 1 343 180\" stroke=\"#333\" stroke-width=\"6\" fill=\"none\"\/>\n \n \n <line x1=\"140\" y1=\"150\" x2=\"200\" y2=\"150\" stroke=\"#666\" stroke-width=\"6\"\/>\n <polygon points=\"135,140 125,150 135,160\" fill=\"#666\"\/>\n \n \n <path d=\"M 400 150 L 470 150\" stroke=\"#e74c3c\" stroke-width=\"2.5\" stroke-dasharray=\"5,3\"\/>\n <path d=\"M 400 150 L 450 100\" stroke=\"#e74c3c\" stroke-width=\"2.5\"\/>\n <path d=\"M 420 150 A 20 20 0 0 0 430 135\" stroke=\"#e74c3c\" stroke-width=\"2.5\" fill=\"none\"\/>\n <text x=\"425\" y=\"125\" text-anchor=\"middle\" font-size=\"16\" font-weight=\"bold\" fill=\"#e74c3c\">\u03b2<\/text>\n \n \n <path d=\"M 200 150 L 200 80\" stroke=\"#27ae60\" stroke-width=\"2.5\"\/>\n <path d=\"M 185 110 A 30 30 0 0 1 215 110\" stroke=\"#27ae60\" stroke-width=\"2.5\" fill=\"none\" stroke-dasharray=\"3,2\"\/>\n <text x=\"230\" y=\"100\" font-size=\"16\" font-weight=\"bold\" fill=\"#27ae60\">\u03c9<\/text>\n \n \n <text x=\"200\" y=\"250\" text-anchor=\"middle\" font-size=\"14\" fill=\"#333\" font-weight=\"bold\">Poulie motrice<\/text>\n <text x=\"400\" y=\"250\" text-anchor=\"middle\" font-size=\"14\" fill=\"#333\" font-weight=\"bold\">Poulie men\u00e9e<\/text>\n <text x=\"200\" y=\"280\" text-anchor=\"middle\" font-size=\"12\" fill=\"#666\">Rotation continue<\/text>\n <text x=\"400\" y=\"280\" text-anchor=\"middle\" font-size=\"12\" fill=\"#666\">Mouvement intermittent<\/text>\n <\/svg>\n <\/div>\n \n \n <div class=\"calculator-form\">\n <h3>Param\u00e8tres de mouvement intermittent<\/h3>\n <form id=\"motionCalculatorForm\" action=\"\">\n <div class=\"form-grid\">\n <div class=\"form-group\">\n <label for=\"pulleyDiameter\">Diam\u00e8tre de la poulie motrice<\/label>\n <input type=\"number\" id=\"pulleyDiameter\" name=\"pulleyDiameter\" step=\"0.01\" required>\n <span class=\"unit\">mm<\/span>\n <\/div>\n \n <div class=\"form-group\">\n <label for=\"driverPulleyDiameter\">Diam\u00e8tre de la poulie entra\u00een\u00e9e<\/label>\n <input type=\"number\" id=\"driverPulleyDiameter\" name=\"driverPulleyDiameter\" step=\"0.01\" required>\n <span class=\"unit\">mm<\/span>\n <\/div>\n \n <div class=\"form-group\">\n <label for=\"angularVelocity\">Vitesse angulaire<\/label>\n <input type=\"number\" id=\"angularVelocity\" name=\"angularVelocity\" step=\"0.01\" required>\n <span class=\"unit\">tr\/min<\/span>\n <\/div>\n \n <div class=\"form-group\">\n <label for=\"motionAngle\">Angle de mouvement<\/label>\n <input type=\"number\" id=\"motionAngle\" name=\"motionAngle\" step=\"0.1\" required>\n <span class=\"unit\">degr\u00e9s<\/span>\n <\/div>\n \n <div class=\"form-group\">\n <label for=\"dwellRatio\">Taux de s\u00e9jour<\/label>\n <input type=\"number\" id=\"dwellRatio\" name=\"dwellRatio\" min=\"0\" max=\"1\" step=\"0.01\" required>\n <span class=\"unit\">(0-1)<\/span>\n <\/div>\n \n <div class=\"form-group\">\n <label for=\"motionProfile\">Profil de mouvement<\/label>\n <select id=\"motionProfile\" name=\"motionProfile\" required>\n <option value=\"modified-sine\">sinus modifi\u00e9<\/option>\n <option value=\"trapezoidal\">trap\u00e9zo\u00efdal<\/option>\n <option value=\"cycloidal\">cyclo\u00efdal<\/option>\n <option value=\"modified-trapezoidal\">Trap\u00e9zo\u00efdal modifi\u00e9<\/option>\n <\/select>\n <\/div>\n <\/div>\n \n <div style=\"text-align: center; margin-top: 20px;\">\n <button type=\"button\" class=\"calculate-btn\" onclick=\"calculateMotion()\">Calculer<\/button>\n <\/div>\n <input type=\"hidden\" name=\"trp-form-language\" value=\"fr\"\/><\/form>\n <\/div>\n \n \n <div class=\"results-section\" id=\"resultsSection\">\n <h3>R\u00e9sultats des calculs<\/h3>\n <div class=\"results-grid\">\n <div class=\"result-item\">\n <h4>Temps de cycle<\/h4>\n <div class=\"result-value\" id=\"cycleTimeResult\">0.00<\/div>\n <span class=\"unit\">secondes<\/span>\n <\/div>\n \n <div class=\"result-item\">\n <h4>Temps de mouvement<\/h4>\n <div class=\"result-value\" id=\"motionTimeResult\">0.00<\/div>\n <span class=\"unit\">secondes<\/span>\n <\/div>\n \n <div class=\"result-item\">\n <h4>Temps de s\u00e9jour<\/h4>\n <div class=\"result-value\" id=\"dwellTimeResult\">0.00<\/div>\n <span class=\"unit\">secondes<\/span>\n <\/div>\n \n <div class=\"result-item\">\n <h4>Vitesse de pointe<\/h4>\n <div class=\"result-value\" id=\"peakVelocityResult\">0.00<\/div>\n <span class=\"unit\">mm\/s<\/span>\n <\/div>\n \n <div class=\"result-item\">\n <h4>Acc\u00e9l\u00e9ration maximale<\/h4>\n <div class=\"result-value\" id=\"peakAccelerationResult\">0.00<\/div>\n <span class=\"unit\">mm\/s\u00b2<\/span>\n <\/div>\n \n <div class=\"result-item\">\n <h4>Couple efficace<\/h4>\n <div class=\"result-value\" id=\"rmsTorqueResult\">0.00<\/div>\n <span class=\"unit\">N\u00b7m<\/span>\n <\/div>\n <\/div>\n <\/div>\n <\/div>\n\n <script>\n function calculateMotion() {\n \/\/ Get input values\n const pulleyDiameter = parseFloat(document.getElementById('pulleyDiameter').value);\n const drivenPulleyDiameter = parseFloat(document.getElementById('driverPulleyDiameter').value);\n const angularVelocity = parseFloat(document.getElementById('angularVelocity').value);\n const motionAngle = parseFloat(document.getElementById('motionAngle').value);\n const dwellRatio = parseFloat(document.getElementById('dwellRatio').value);\n const motionProfile = document.getElementById('motionProfile').value;\n \n \/\/ Convert angular velocity from rpm to rad\/s\n const angularVelocityRadS = angularVelocity * (2 * Math.PI) \/ 60;\n \n \/\/ Calculate cycle time (seconds)\n const cycleTime = 60 \/ angularVelocity;\n \n \/\/ Calculate dwell time\n const dwellTime = cycleTime * dwellRatio;\n \n \/\/ Calculate motion time\n const motionTime = cycleTime - dwellTime;\n \n \/\/ Calculate peak velocity based on motion profile\n \/\/ Simplified calculation - in a real implementation these would be more precise\n \/\/ based on the specific motion profile\n const displacement = (motionAngle * Math.PI \/ 180) * (drivenPulleyDiameter \/ 2);\n \n let peakVelocityFactor;\n let peakAccelerationFactor;\n \n switch (motionProfile) {\n case 'modified-sine':\n peakVelocityFactor = 1.57;\n peakAccelerationFactor = 4.93;\n break;\n case 'trapezoidal':\n peakVelocityFactor = 1.33;\n peakAccelerationFactor = 4.0;\n break;\n case 'cycloidal':\n peakVelocityFactor = 2.0;\n peakAccelerationFactor = 6.28;\n break;\n case 'modified-trapezoidal':\n peakVelocityFactor = 1.4;\n peakAccelerationFactor = 3.77;\n break;\n default:\n peakVelocityFactor = 1.57;\n peakAccelerationFactor = 4.93;\n }\n \n const avgVelocity = displacement \/ motionTime;\n const peakVelocity = avgVelocity * peakVelocityFactor;\n \n \/\/ Calculate peak acceleration\n const peakAcceleration = peakVelocity * peakAccelerationFactor \/ motionTime;\n \n \/\/ Calculate RMS torque (simplified model)\n \/\/ This is a very simplified approximation\n const inertia = 0.5 * Math.pow(drivenPulleyDiameter\/2000, 2) * 5; \/\/ Assuming 5kg mass\n const rmsTorque = inertia * peakAcceleration * 0.5 * (drivenPulleyDiameter\/2000);\n \n \/\/ Display results\n document.getElementById('cycleTimeResult').textContent = cycleTime.toFixed(3);\n document.getElementById('motionTimeResult').textContent = motionTime.toFixed(3);\n document.getElementById('dwellTimeResult').textContent = dwellTime.toFixed(3);\n document.getElementById('peakVelocityResult').textContent = peakVelocity.toFixed(2);\n document.getElementById('peakAccelerationResult').textContent = peakAcceleration.toFixed(2);\n document.getElementById('rmsTorqueResult').textContent = rmsTorque.toFixed(4);\n \n \/\/ Show results section\n document.getElementById('resultsSection').classList.add('active');\n }\n <\/script>\n<\/body>\n<\/html>","protected":false},"excerpt":{"rendered":"<p>The Belt Pulley Intermittent Motion Calculator helps you analyze and design systems with non-continuous motion transmission. Calculate timing, speed ratios, and positioning for intermittent belt…<\/p>","protected":false},"author":2,"featured_media":14987,"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_feature_clip_id":0,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_post_was_ever_published":false},"categories":[3415],"tags":[3417,3416,3418],"class_list":["post-14967","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-pulley-calculator","tag-belt-drive-calculator","tag-intermittent-motion-design","tag-pulley-system-analysis","pmpro-has-access"],"acf":[],"jetpack_featured_media_url":"https:\/\/www.mechstream.com\/wp-content\/uploads\/2025\/03\/Belt-Pulley-Intermittent-Motion-Calculator.png","jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/www.mechstream.com\/fr\/wp-json\/wp\/v2\/posts\/14967","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.mechstream.com\/fr\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.mechstream.com\/fr\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.mechstream.com\/fr\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.mechstream.com\/fr\/wp-json\/wp\/v2\/comments?post=14967"}],"version-history":[{"count":0,"href":"https:\/\/www.mechstream.com\/fr\/wp-json\/wp\/v2\/posts\/14967\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.mechstream.com\/fr\/wp-json\/wp\/v2\/media\/14987"}],"wp:attachment":[{"href":"https:\/\/www.mechstream.com\/fr\/wp-json\/wp\/v2\/media?parent=14967"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.mechstream.com\/fr\/wp-json\/wp\/v2\/categories?post=14967"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.mechstream.com\/fr\/wp-json\/wp\/v2\/tags?post=14967"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}

{"id":14967,"date":"2025-03-30T09:45:39","date_gmt":"2025-03-30T09:45:39","guid":{"rendered":"https:\/\/www.mechstream.com\/?p=14967"},"modified":"2025-03-31T05:17:29","modified_gmt":"2025-03-31T05:17:29","slug":"belt-pulley-intermittent-motion-calculator","status":"publish","type":"post","link":"https:\/\/www.mechstream.com\/fr\/belt-pulley-intermittent-motion-calculator\/","title":{"rendered":"Calculateur de mouvement intermittent de poulie \u00e0 courroie"},"content":{"rendered":"

Le calculateur de mouvement intermittent de poulie \u00e0 courroie vous aide \u00e0 analyser et \u00e0 concevoir des syst\u00e8mes \u00e0 transmission discontinue. Calculez la synchronisation, les rapports de vitesse et le positionnement des configurations \u00e0 transmission intermittente par courroie. Id\u00e9al pour les ing\u00e9nieurs m\u00e9caniciens travaillant avec des m\u00e9canismes d'indexation, des \u00e9quipements d'automatisation et des machines d'emballage. Cet outil en ligne gratuit am\u00e9liore la pr\u00e9cision de conception et l'\u00e9valuation des performances des syst\u00e8mes \u00e0 mouvement complexe. Simplifiez votre flux de travail et obtenez rapidement des r\u00e9sultats pr\u00e9cis.<\/p>\n\n\n\n\n\n\n \n \n Calculateur de mouvement intermittent de poulie \u00e0 courroie<\/title>\n <style>\n :root {\n --primary-color: #3498db;\n --secondary-color: #2980b9;\n --text-color: #333;\n --light-gray: #f5f5f5;\n --medium-gray: #e0e0e0;\n --border-color: #ddd;\n --success-color: #27ae60;\n }\n \n * {\n box-sizing: border-box;\n margin: 0;\n padding: 0;\n font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;\n }\n \n body {\n color: var(--text-color);\n line-height: 1.6;\n font-size: 16px;\n padding: 20px;\n max-width: 1200px;\n margin: 0 auto;\n }\n \n .calculator-container {\n display: flex;\n flex-direction: column;\n gap: 40px;\n }\n \n \/* Parameter Explanation Section *\/\n .parameter-explanation {\n background-color: var(--light-gray);\n padding: 30px;\n border-radius: 10px;\n margin-bottom: 30px;\n }\n \n .parameter-explanation h3 {\n margin-bottom: 20px;\n color: var(--primary-color);\n }\n \n .parameter-list {\n display: grid;\n grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));\n gap: 20px;\n }\n \n .parameter-item {\n display: flex;\n align-items: flex-start;\n gap: 10px;\n }\n \n .parameter-icon {\n background-color: var(--primary-color);\n color: white;\n width: 30px;\n height: 30px;\n border-radius: 50%;\n display: flex;\n align-items: center;\n justify-content: center;\n flex-shrink: 0;\n }\n \n \/* Diagram Section *\/\n .diagram-section {\n text-align: center;\n margin-bottom: 10px;\n }\n \n .diagram-section img,\n .diagram-section svg {\n max-width: 100%;\n height: auto;\n border: none;\n border-radius: 5px;\n margin: 0 auto;\n display: block;\n margin-bottom: 0;\n }\n \n .diagram-section h3 {\n margin-bottom: 20px;\n color: var(--primary-color);\n }\n \n \/* Calculator Form Section *\/\n .calculator-form {\n background-color: var(--light-gray);\n padding: 30px;\n border-radius: 10px;\n margin-bottom: 30px;\n }\n \n .calculator-form h3 {\n margin-bottom: 25px;\n color: var(--primary-color);\n text-align: center;\n }\n \n .form-grid {\n display: grid;\n grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));\n gap: 20px;\n }\n \n .form-group {\n margin-bottom: 15px;\n }\n \n .form-group label {\n display: block;\n margin-bottom: 8px;\n font-weight: 600;\n }\n \n .form-group input,\n .form-group select {\n width: 100%;\n padding: 12px;\n border: 1px solid var(--border-color);\n border-radius: 5px;\n font-size: 16px;\n transition: border-color 0.3s;\n }\n \n .form-group input:focus,\n .form-group select:focus {\n border-color: var(--primary-color);\n outline: none;\n }\n \n .unit {\n display: inline-block;\n margin-left: 5px;\n color: #666;\n }\n \n .calculate-btn {\n background-color: var(--primary-color);\n color: white;\n border: none;\n padding: 12px 25px;\n font-size: 16px;\n font-weight: 600;\n border-radius: 5px;\n cursor: pointer;\n transition: background-color 0.3s;\n margin-top: 20px;\n width: 100%;\n max-width: 300px;\n }\n \n .calculate-btn:hover {\n background-color: var(--secondary-color);\n }\n \n \/* Results Section *\/\n .results-section {\n background-color: var(--light-gray);\n padding: 30px;\n border-radius: 10px;\n margin-bottom: 30px;\n display: none;\n }\n \n .results-section.active {\n display: block;\n animation: fadeIn 0.5s;\n }\n \n @keyframes fadeIn {\n from { opacity: 0; }\n to { opacity: 1; }\n }\n \n .results-section h3 {\n margin-bottom: 25px;\n color: var(--primary-color);\n text-align: center;\n }\n \n .results-grid {\n display: grid;\n grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));\n gap: 20px;\n }\n \n .result-item {\n background-color: white;\n padding: 20px;\n border-radius: 5px;\n box-shadow: 0 2px 5px rgba(0,0,0,0.1);\n }\n \n .result-item h4 {\n margin-bottom: 10px;\n color: var(--primary-color);\n }\n \n .result-value {\n font-size: 1.8rem;\n font-weight: 700;\n color: var(--success-color);\n }\n \n \/* Responsive Styles *\/\n @media (max-width: 768px) {\n .form-grid, \n .results-grid,\n .parameter-list {\n grid-template-columns: 1fr;\n }\n \n .calculator-title h1 {\n font-size: 2rem;\n }\n \n .parameter-explanation,\n .calculator-form,\n .results-section {\n padding: 20px;\n }\n }\n \n \/* For image diagrams placeholder *\/\n .diagram-placeholder {\n background-color: var(--medium-gray);\n width: 100%;\n max-width: 600px;\n height: 350px;\n margin: 0 auto;\n display: flex;\n align-items: center;\n justify-content: center;\n border-radius: 5px;\n color: #666;\n font-weight: 600;\n }\n <\/style>\n<\/head>\n<body>\n <div class=\"calculator-container\">\n \n <div class=\"parameter-explanation\">\n <h3>Param\u00e8tres cl\u00e9s expliqu\u00e9s<\/h3>\n <div class=\"parameter-list\">\n <div class=\"parameter-item\">\n <div class=\"parameter-icon\">D<\/div>\n <div>\n <strong>Diam\u00e8tre de la poulie<\/strong>:Le diam\u00e8tre de la poulie motrice ou men\u00e9e dans le syst\u00e8me.\n <\/div>\n <\/div>\n <div class=\"parameter-item\">\n <div class=\"parameter-icon\">\u03c9<\/div>\n <div>\n <strong>Vitesse angulaire<\/strong>:La vitesse de rotation de la poulie motrice.\n <\/div>\n <\/div>\n <div class=\"parameter-item\">\n <div class=\"parameter-icon\">\u03b2<\/div>\n <div>\n <strong>Angle de mouvement<\/strong>:L'angle selon lequel l'\u00e9l\u00e9ment entra\u00een\u00e9 se d\u00e9place au cours d'un cycle.\n <\/div>\n <\/div>\n <div class=\"parameter-item\">\n <div class=\"parameter-icon\">T<\/div>\n <div>\n <strong>Temps de cycle<\/strong>:Le temps total n\u00e9cessaire \u00e0 un cycle complet de mouvement.\n <\/div>\n <\/div>\n <div class=\"parameter-item\">\n <div class=\"parameter-icon\">\u03c4<\/div>\n <div>\n <strong>Taux de s\u00e9jour<\/strong>:Le rapport entre le temps de s\u00e9jour et le temps de cycle total.\n <\/div>\n <\/div>\n <div class=\"parameter-item\">\n <div class=\"parameter-icon\">un<\/div>\n <div>\n <strong>Acc\u00e9l\u00e9ration<\/strong>:Le taux de variation de la vitesse pendant la p\u00e9riode de mouvement.\n <\/div>\n <\/div>\n <\/div>\n <\/div>\n \n \n <div class=\"diagram-section\">\n <h3>Diagramme du syst\u00e8me de mouvement intermittent<\/h3>\n <svg width=\"600\" height=\"350\" viewbox=\"0 0 600 350\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\">\n \n <rect width=\"600\" height=\"350\" fill=\"#fafafa\" rx=\"5\" ry=\"5\"\/>\n \n \n <circle cx=\"200\" cy=\"150\" r=\"60\" fill=\"#fff\" stroke=\"#333\" stroke-width=\"2\"\/>\n <circle cx=\"200\" cy=\"150\" r=\"12\" fill=\"#3498db\" stroke=\"#2980b9\" stroke-width=\"1\"\/>\n <text x=\"200\" y=\"150\" text-anchor=\"middle\" dominant-baseline=\"middle\" font-size=\"16\" font-weight=\"bold\" fill=\"#fff\">D1<\/text>\n \n \n <circle cx=\"400\" cy=\"150\" r=\"80\" fill=\"#fff\" stroke=\"#333\" stroke-width=\"2\"\/>\n <circle cx=\"400\" cy=\"150\" r=\"12\" fill=\"#3498db\" stroke=\"#2980b9\" stroke-width=\"1\"\/>\n <text x=\"400\" y=\"150\" text-anchor=\"middle\" dominant-baseline=\"middle\" font-size=\"16\" font-weight=\"bold\" fill=\"#fff\">D2<\/text>\n \n \n <path d=\"M 257 120 C 300 120, 340 120, 343 120\" stroke=\"#333\" stroke-width=\"6\" fill=\"none\"\/>\n <path d=\"M 257 180 C 300 180, 340 180, 343 180\" stroke=\"#333\" stroke-width=\"6\" fill=\"none\"\/>\n <path d=\"M 200 90 A 60 60 0 0 1 257 120\" stroke=\"#333\" stroke-width=\"6\" fill=\"none\"\/>\n <path d=\"M 200 210 A 60 60 0 0 0 257 180\" stroke=\"#333\" stroke-width=\"6\" fill=\"none\"\/>\n <path d=\"M 400 70 A 80 80 0 0 0 343 120\" stroke=\"#333\" stroke-width=\"6\" fill=\"none\"\/>\n <path d=\"M 400 230 A 80 80 0 0 1 343 180\" stroke=\"#333\" stroke-width=\"6\" fill=\"none\"\/>\n \n \n <line x1=\"140\" y1=\"150\" x2=\"200\" y2=\"150\" stroke=\"#666\" stroke-width=\"6\"\/>\n <polygon points=\"135,140 125,150 135,160\" fill=\"#666\"\/>\n \n \n <path d=\"M 400 150 L 470 150\" stroke=\"#e74c3c\" stroke-width=\"2.5\" stroke-dasharray=\"5,3\"\/>\n <path d=\"M 400 150 L 450 100\" stroke=\"#e74c3c\" stroke-width=\"2.5\"\/>\n <path d=\"M 420 150 A 20 20 0 0 0 430 135\" stroke=\"#e74c3c\" stroke-width=\"2.5\" fill=\"none\"\/>\n <text x=\"425\" y=\"125\" text-anchor=\"middle\" font-size=\"16\" font-weight=\"bold\" fill=\"#e74c3c\">\u03b2<\/text>\n \n \n <path d=\"M 200 150 L 200 80\" stroke=\"#27ae60\" stroke-width=\"2.5\"\/>\n <path d=\"M 185 110 A 30 30 0 0 1 215 110\" stroke=\"#27ae60\" stroke-width=\"2.5\" fill=\"none\" stroke-dasharray=\"3,2\"\/>\n <text x=\"230\" y=\"100\" font-size=\"16\" font-weight=\"bold\" fill=\"#27ae60\">\u03c9<\/text>\n \n \n <text x=\"200\" y=\"250\" text-anchor=\"middle\" font-size=\"14\" fill=\"#333\" font-weight=\"bold\">Poulie motrice<\/text>\n <text x=\"400\" y=\"250\" text-anchor=\"middle\" font-size=\"14\" fill=\"#333\" font-weight=\"bold\">Poulie men\u00e9e<\/text>\n <text x=\"200\" y=\"280\" text-anchor=\"middle\" font-size=\"12\" fill=\"#666\">Rotation continue<\/text>\n <text x=\"400\" y=\"280\" text-anchor=\"middle\" font-size=\"12\" fill=\"#666\">Mouvement intermittent<\/text>\n <\/svg>\n <\/div>\n \n \n <div class=\"calculator-form\">\n <h3>Param\u00e8tres de mouvement intermittent<\/h3>\n <form id=\"motionCalculatorForm\" action=\"\">\n <div class=\"form-grid\">\n <div class=\"form-group\">\n <label for=\"pulleyDiameter\">Diam\u00e8tre de la poulie motrice<\/label>\n <input type=\"number\" id=\"pulleyDiameter\" name=\"pulleyDiameter\" step=\"0.01\" required>\n <span class=\"unit\">mm<\/span>\n <\/div>\n \n <div class=\"form-group\">\n <label for=\"driverPulleyDiameter\">Diam\u00e8tre de la poulie entra\u00een\u00e9e<\/label>\n <input type=\"number\" id=\"driverPulleyDiameter\" name=\"driverPulleyDiameter\" step=\"0.01\" required>\n <span class=\"unit\">mm<\/span>\n <\/div>\n \n <div class=\"form-group\">\n <label for=\"angularVelocity\">Vitesse angulaire<\/label>\n <input type=\"number\" id=\"angularVelocity\" name=\"angularVelocity\" step=\"0.01\" required>\n <span class=\"unit\">tr\/min<\/span>\n <\/div>\n \n <div class=\"form-group\">\n <label for=\"motionAngle\">Angle de mouvement<\/label>\n <input type=\"number\" id=\"motionAngle\" name=\"motionAngle\" step=\"0.1\" required>\n <span class=\"unit\">degr\u00e9s<\/span>\n <\/div>\n \n <div class=\"form-group\">\n <label for=\"dwellRatio\">Taux de s\u00e9jour<\/label>\n <input type=\"number\" id=\"dwellRatio\" name=\"dwellRatio\" min=\"0\" max=\"1\" step=\"0.01\" required>\n <span class=\"unit\">(0-1)<\/span>\n <\/div>\n \n <div class=\"form-group\">\n <label for=\"motionProfile\">Profil de mouvement<\/label>\n <select id=\"motionProfile\" name=\"motionProfile\" required>\n <option value=\"modified-sine\">sinus modifi\u00e9<\/option>\n <option value=\"trapezoidal\">trap\u00e9zo\u00efdal<\/option>\n <option value=\"cycloidal\">cyclo\u00efdal<\/option>\n <option value=\"modified-trapezoidal\">Trap\u00e9zo\u00efdal modifi\u00e9<\/option>\n <\/select>\n <\/div>\n <\/div>\n \n <div style=\"text-align: center; margin-top: 20px;\">\n <button type=\"button\" class=\"calculate-btn\" onclick=\"calculateMotion()\">Calculer<\/button>\n <\/div>\n <input type=\"hidden\" name=\"trp-form-language\" value=\"fr\"\/><\/form>\n <\/div>\n \n \n <div class=\"results-section\" id=\"resultsSection\">\n <h3>R\u00e9sultats des calculs<\/h3>\n <div class=\"results-grid\">\n <div class=\"result-item\">\n <h4>Temps de cycle<\/h4>\n <div class=\"result-value\" id=\"cycleTimeResult\">0.00<\/div>\n <span class=\"unit\">secondes<\/span>\n <\/div>\n \n <div class=\"result-item\">\n <h4>Temps de mouvement<\/h4>\n <div class=\"result-value\" id=\"motionTimeResult\">0.00<\/div>\n <span class=\"unit\">secondes<\/span>\n <\/div>\n \n <div class=\"result-item\">\n <h4>Temps de s\u00e9jour<\/h4>\n <div class=\"result-value\" id=\"dwellTimeResult\">0.00<\/div>\n <span class=\"unit\">secondes<\/span>\n <\/div>\n \n <div class=\"result-item\">\n <h4>Vitesse de pointe<\/h4>\n <div class=\"result-value\" id=\"peakVelocityResult\">0.00<\/div>\n <span class=\"unit\">mm\/s<\/span>\n <\/div>\n \n <div class=\"result-item\">\n <h4>Acc\u00e9l\u00e9ration maximale<\/h4>\n <div class=\"result-value\" id=\"peakAccelerationResult\">0.00<\/div>\n <span class=\"unit\">mm\/s\u00b2<\/span>\n <\/div>\n \n <div class=\"result-item\">\n <h4>Couple efficace<\/h4>\n <div class=\"result-value\" id=\"rmsTorqueResult\">0.00<\/div>\n <span class=\"unit\">N\u00b7m<\/span>\n <\/div>\n <\/div>\n <\/div>\n <\/div>\n\n <script>\n function calculateMotion() {\n \/\/ Get input values\n const pulleyDiameter = parseFloat(document.getElementById('pulleyDiameter').value);\n const drivenPulleyDiameter = parseFloat(document.getElementById('driverPulleyDiameter').value);\n const angularVelocity = parseFloat(document.getElementById('angularVelocity').value);\n const motionAngle = parseFloat(document.getElementById('motionAngle').value);\n const dwellRatio = parseFloat(document.getElementById('dwellRatio').value);\n const motionProfile = document.getElementById('motionProfile').value;\n \n \/\/ Convert angular velocity from rpm to rad\/s\n const angularVelocityRadS = angularVelocity * (2 * Math.PI) \/ 60;\n \n \/\/ Calculate cycle time (seconds)\n const cycleTime = 60 \/ angularVelocity;\n \n \/\/ Calculate dwell time\n const dwellTime = cycleTime * dwellRatio;\n \n \/\/ Calculate motion time\n const motionTime = cycleTime - dwellTime;\n \n \/\/ Calculate peak velocity based on motion profile\n \/\/ Simplified calculation - in a real implementation these would be more precise\n \/\/ based on the specific motion profile\n const displacement = (motionAngle * Math.PI \/ 180) * (drivenPulleyDiameter \/ 2);\n \n let peakVelocityFactor;\n let peakAccelerationFactor;\n \n switch (motionProfile) {\n case 'modified-sine':\n peakVelocityFactor = 1.57;\n peakAccelerationFactor = 4.93;\n break;\n case 'trapezoidal':\n peakVelocityFactor = 1.33;\n peakAccelerationFactor = 4.0;\n break;\n case 'cycloidal':\n peakVelocityFactor = 2.0;\n peakAccelerationFactor = 6.28;\n break;\n case 'modified-trapezoidal':\n peakVelocityFactor = 1.4;\n peakAccelerationFactor = 3.77;\n break;\n default:\n peakVelocityFactor = 1.57;\n peakAccelerationFactor = 4.93;\n }\n \n const avgVelocity = displacement \/ motionTime;\n const peakVelocity = avgVelocity * peakVelocityFactor;\n \n \/\/ Calculate peak acceleration\n const peakAcceleration = peakVelocity * peakAccelerationFactor \/ motionTime;\n \n \/\/ Calculate RMS torque (simplified model)\n \/\/ This is a very simplified approximation\n const inertia = 0.5 * Math.pow(drivenPulleyDiameter\/2000, 2) * 5; \/\/ Assuming 5kg mass\n const rmsTorque = inertia * peakAcceleration * 0.5 * (drivenPulleyDiameter\/2000);\n \n \/\/ Display results\n document.getElementById('cycleTimeResult').textContent = cycleTime.toFixed(3);\n document.getElementById('motionTimeResult').textContent = motionTime.toFixed(3);\n document.getElementById('dwellTimeResult').textContent = dwellTime.toFixed(3);\n document.getElementById('peakVelocityResult').textContent = peakVelocity.toFixed(2);\n document.getElementById('peakAccelerationResult').textContent = peakAcceleration.toFixed(2);\n document.getElementById('rmsTorqueResult').textContent = rmsTorque.toFixed(4);\n \n \/\/ Show results section\n document.getElementById('resultsSection').classList.add('active');\n }\n <\/script>\n<\/body>\n<\/html>","protected":false},"excerpt":{"rendered":"<p>The Belt Pulley Intermittent Motion Calculator helps you analyze and design systems with non-continuous motion transmission. Calculate timing, speed ratios, and positioning for intermittent belt…<\/p>","protected":false},"author":2,"featured_media":14987,"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_feature_clip_id":0,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_post_was_ever_published":false},"categories":[3415],"tags":[3417,3416,3418],"class_list":["post-14967","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-pulley-calculator","tag-belt-drive-calculator","tag-intermittent-motion-design","tag-pulley-system-analysis","pmpro-has-access"],"acf":[],"jetpack_featured_media_url":"https:\/\/www.mechstream.com\/wp-content\/uploads\/2025\/03\/Belt-Pulley-Intermittent-Motion-Calculator.png","jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/www.mechstream.com\/fr\/wp-json\/wp\/v2\/posts\/14967","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.mechstream.com\/fr\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.mechstream.com\/fr\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.mechstream.com\/fr\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.mechstream.com\/fr\/wp-json\/wp\/v2\/comments?post=14967"}],"version-history":[{"count":0,"href":"https:\/\/www.mechstream.com\/fr\/wp-json\/wp\/v2\/posts\/14967\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.mechstream.com\/fr\/wp-json\/wp\/v2\/media\/14987"}],"wp:attachment":[{"href":"https:\/\/www.mechstream.com\/fr\/wp-json\/wp\/v2\/media?parent=14967"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.mechstream.com\/fr\/wp-json\/wp\/v2\/categories?post=14967"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.mechstream.com\/fr\/wp-json\/wp\/v2\/tags?post=14967"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}