Extrusion Expansion Ratio Calculator<\/title>\r\n <style>\r\n \/* Reset & Container Setup *\/\r\n .zhuoheng-calc-wrapper * {\r\n box-sizing: border-box;\r\n font-family: -apple-system, BlinkMacSystemFont, \"Segoe UI\", Roboto, Helvetica, Arial, sans-serif;\r\n }\r\n \r\n .zhuoheng-calc-wrapper {\r\n max-width: 800px;\r\n margin: 20px auto;\r\n border: 1px solid #e2e8f0;\r\n border-radius: 12px;\r\n overflow: hidden;\r\n background-color: #ffffff;\r\n box-shadow: 0 10px 25px rgba(0, 0, 0, 0.05);\r\n }\r\n\r\n \/* 1. Header Area: Blue Background, White Text *\/\r\n .calc-header {\r\n background-color: #0b5ed7;\r\n color: #ffffff;\r\n padding: 32px 24px;\r\n text-align: center;\r\n }\r\n\r\n .calc-header h1 {\r\n margin: 0 0 10px 0;\r\n font-size: 26px;\r\n font-weight: 700;\r\n color: #ffffff;\r\n line-height: 1.3;\r\n }\r\n\r\n .calc-header p {\r\n margin: 0;\r\n font-size: 14px;\r\n color: #e0eafc;\r\n line-height: 1.5;\r\n }\r\n\r\n \/* 2. Form Body *\/\r\n .calc-body {\r\n padding: 28px 24px;\r\n background-color: #f8fafc;\r\n }\r\n\r\n .calc-grid {\r\n display: grid;\r\n grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));\r\n gap: 20px;\r\n margin-bottom: 24px;\r\n }\r\n\r\n .input-group {\r\n display: flex;\r\n flex-direction: column;\r\n }\r\n\r\n .input-group label {\r\n font-size: 13px;\r\n font-weight: 600;\r\n color: #1e293b;\r\n margin-bottom: 6px;\r\n }\r\n\r\n .input-control-wrap {\r\n display: flex;\r\n border: 1px solid #cbd5e1;\r\n border-radius: 6px;\r\n overflow: hidden;\r\n background: #ffffff;\r\n transition: border-color 0.2s ease;\r\n }\r\n\r\n .input-control-wrap:focus-within {\r\n border-color: #0b5ed7;\r\n box-shadow: 0 0 0 3px rgba(11, 94, 215, 0.15);\r\n }\r\n\r\n .input-control-wrap input {\r\n flex: 1;\r\n border: none;\r\n padding: 10px 12px;\r\n font-size: 15px;\r\n outline: none;\r\n color: #0f172a;\r\n width: 100%;\r\n }\r\n\r\n .input-control-wrap select {\r\n border: none;\r\n border-left: 1px solid #e2e8f0;\r\n background-color: #f1f5f9;\r\n padding: 0 10px;\r\n font-size: 13px;\r\n color: #475569;\r\n outline: none;\r\n cursor: pointer;\r\n }\r\n\r\n \/* Buttons Style *\/\r\n .calc-btn-group {\r\n display: flex;\r\n gap: 12px;\r\n margin-top: 8px;\r\n }\r\n\r\n \/* Blue Buttons, White Text *\/\r\n .btn-blue {\r\n flex: 1;\r\n background-color: #0b5ed7;\r\n color: #ffffff;\r\n border: none;\r\n padding: 12px 20px;\r\n font-size: 15px;\r\n font-weight: 600;\r\n border-radius: 6px;\r\n cursor: pointer;\r\n transition: background-color 0.2s ease, transform 0.1s ease;\r\n text-align: center;\r\n }\r\n\r\n .btn-blue:hover {\r\n background-color: #0a58ca;\r\n }\r\n\r\n .btn-blue:active {\r\n transform: scale(0.99);\r\n }\r\n\r\n .btn-outline-blue {\r\n background-color: #ffffff;\r\n color: #0b5ed7;\r\n border: 1px solid #0b5ed7;\r\n padding: 12px 20px;\r\n font-size: 15px;\r\n font-weight: 600;\r\n border-radius: 6px;\r\n cursor: pointer;\r\n transition: all 0.2s ease;\r\n text-align: center;\r\n }\r\n\r\n .btn-outline-blue:hover {\r\n background-color: #eff6ff;\r\n }\r\n\r\n \/* Results Section *\/\r\n .calc-results-zone {\r\n margin-top: 28px;\r\n padding-top: 24px;\r\n border-top: 2px dashed #e2e8f0;\r\n display: none; \/* Dynamic Display *\/\r\n }\r\n\r\n .results-grid {\r\n display: grid;\r\n grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));\r\n gap: 16px;\r\n margin-bottom: 20px;\r\n }\r\n\r\n .result-card {\r\n background: #ffffff;\r\n border: 1px solid #bfdbfe;\r\n border-radius: 8px;\r\n padding: 16px;\r\n text-align: center;\r\n }\r\n\r\n .result-card .res-title {\r\n font-size: 12px;\r\n font-weight: 600;\r\n text-transform: uppercase;\r\n letter-spacing: 0.5px;\r\n color: #475569;\r\n margin-bottom: 6px;\r\n }\r\n\r\n .result-card .res-value {\r\n font-size: 24px;\r\n font-weight: 700;\r\n color: #0b5ed7;\r\n }\r\n\r\n .result-card .res-unit {\r\n font-size: 12px;\r\n color: #64748b;\r\n margin-top: 2px;\r\n }\r\n\r\n \/* CTA Section: Yellow Background, Purple Text *\/\r\n .cta-wrapper {\r\n margin-top: 24px;\r\n text-align: center;\r\n }\r\n\r\n .btn-cta-yellow {\r\n display: inline-block;\r\n width: 100%;\r\n background-color: #ffc107;\r\n color: #4a154b; \/* Deep Purple *\/\r\n font-weight: 700;\r\n font-size: 16px;\r\n padding: 14px 24px;\r\n text-decoration: none;\r\n border-radius: 6px;\r\n border: none;\r\n box-shadow: 0 4px 12px rgba(255, 193, 7, 0.3);\r\n transition: all 0.2s ease;\r\n box-sizing: border-box;\r\n }\r\n\r\n .btn-cta-yellow:hover {\r\n background-color: #ffca2c;\r\n color: #300d32;\r\n transform: translateY(-1px);\r\n box-shadow: 0 6px 16px rgba(255, 193, 7, 0.4);\r\n }\r\n\r\n \/* Disclaimer Styling *\/\r\n .disclaimer-text {\r\n font-size: 12px;\r\n color: #64748b;\r\n line-height: 1.5;\r\n margin-top: 16px;\r\n text-align: center;\r\n padding: 0 10px;\r\n }\r\n\r\n @media (max-width: 600px) {\r\n .calc-btn-group {\r\n flex-direction: column;\r\n }\r\n .calc-header h1 {\r\n font-size: 22px;\r\n }\r\n }\r\n <\/style>\r\n<\/head>\r\n<body>\r\n\r\n<div class=\"zhuoheng-calc-wrapper\">\r\n \r\n <div class=\"calc-header\">\r\n <h1>Calculadora de la relaci\u00f3n de expansi\u00f3n por extrusi\u00f3n<\/h1>\r\n <p>Calcular los \u00edndices de expansi\u00f3n volum\u00e9trica y de di\u00e1metro, as\u00ed como la reducci\u00f3n de la densidad, para alimentos inflados, alimentos para mascotas y extruidos de prote\u00ednas texturizadas.<\/p>\r\n <\/div>\r\n\r\n \r\n <div class=\"calc-body\">\r\n <form id=\"expansionForm\" action=\"\">\r\n <div class=\"calc-grid\">\r\n \r\n <div class=\"input-group\">\r\n <label for=\"dieDiameter\">Di\u00e1metro de la boquilla<\/label>\r\n <div class=\"input-control-wrap\">\r\n <input type=\"number\" id=\"dieDiameter\" step=\"any\" placeholder=\"p. ej., 3,0\" value=\"3.0\" required>\r\n <select id=\"dieUnit\">\r\n <option value=\"mm\" selected>mm<\/option>\r\n <option value=\"in\">en<\/option>\r\n <\/select>\r\n <\/div>\r\n <\/div>\r\n\r\n <div class=\"input-group\">\r\n <label for=\"productDiameter\">Di\u00e1metro del producto extruido<\/label>\r\n <div class=\"input-control-wrap\">\r\n <input type=\"number\" id=\"productDiameter\" step=\"any\" placeholder=\"p. ej., 12,0\" value=\"12.0\" required>\r\n <select id=\"productUnit\">\r\n <option value=\"mm\" selected>mm<\/option>\r\n <option value=\"in\">en<\/option>\r\n <\/select>\r\n <\/div>\r\n <\/div>\r\n\r\n <div class=\"input-group\">\r\n <label for=\"meltDensity\">Densidad del extrudado sin expandir<\/label>\r\n <div class=\"input-control-wrap\">\r\n <input type=\"number\" id=\"meltDensity\" step=\"any\" placeholder=\"p. ej., 450\" value=\"450\" required>\r\n <select id=\"meltDensityUnit\">\r\n <option value=\"g_l\" selected>g\/L<\/option>\r\n <option value=\"lb_ft3\">libras por pie c\u00fabico<\/option>\r\n <\/select>\r\n <\/div>\r\n <\/div>\r\n\r\n <div class=\"input-group\">\r\n <label for=\"productDensity\">Densidad aparente del producto final<\/label>\r\n <div class=\"input-control-wrap\">\r\n <input type=\"number\" id=\"productDensity\" step=\"any\" placeholder=\"p. ej., 60\" value=\"60\" required>\r\n <select id=\"productDensityUnit\">\r\n <option value=\"g_l\" selected>g\/L<\/option>\r\n <option value=\"lb_ft3\">libras por pie c\u00fabico<\/option>\r\n <\/select>\r\n <\/div>\r\n <\/div>\r\n\r\n <\/div>\r\n\r\n \r\n <div class=\"calc-btn-group\">\r\n <button type=\"button\" class=\"btn-blue\" onclick=\"calculateExpansion()\">Calcular resultados<\/button>\r\n <button type=\"button\" class=\"btn-outline-blue\" onclick=\"resetCalculator()\">Restablecer formulario<\/button>\r\n <\/div>\r\n <input type=\"hidden\" name=\"trp-form-language\" value=\"es\"\/><\/form>\r\n\r\n \r\n <div class=\"calc-results-zone\" id=\"resultsZone\">\r\n <div class=\"results-grid\">\r\n <div class=\"result-card\">\r\n <div class=\"res-title\">Relaci\u00f3n de expansi\u00f3n del di\u00e1metro<\/div>\r\n <div class=\"res-value\" id=\"diameterRatioVal\">0.00<\/div>\r\n <div class=\"res-unit\">(Di\u00e1metro del extrudado \u00f7 di\u00e1metro de la matriz)<\/div>\r\n <\/div>\r\n <div class=\"result-card\">\r\n <div class=\"res-title\">Relaci\u00f3n de expansi\u00f3n volum\u00e9trica<\/div>\r\n <div class=\"res-value\" id=\"volumetricRatioVal\">0.00<\/div>\r\n <div class=\"res-unit\">(Densidad no expandida \u00f7 densidad expandida)<\/div>\r\n <\/div>\r\n <div class=\"result-card\">\r\n <div class=\"res-title\">Reducci\u00f3n de la densidad<\/div>\r\n <div class=\"res-value\" id=\"densityReductionVal\">0.0%<\/div>\r\n <div class=\"res-unit\">(Disminuci\u00f3n de la densidad relativa)<\/div>\r\n <\/div>\r\n <\/div>\r\n\r\n \r\n <div class=\"cta-wrapper\">\r\n <a href=\"https:\/\/zhuohengextruder.com\/es\/contact\/\" target=\"_blank\" class=\"btn-cta-yellow\">\r\n Obt\u00e9n un presupuesto detallado por l\u00edneas y asesoramiento sobre f\u00f3rmulas\r\n <\/a>\r\n <\/div>\r\n\r\n \r\n <div class=\"disclaimer-text\">\r\n Nota: Las cifras de expansi\u00f3n calculadas tienen \u00fanicamente car\u00e1cter de referencia t\u00e9cnica. Las tasas de expansi\u00f3n reales en la producci\u00f3n se ven muy influidas por el grado de gelatinizaci\u00f3n del almid\u00f3n, la temperatura del cilindro, el contenido de humedad y la configuraci\u00f3n de cizallamiento del tornillo. Consulte a nuestros ingenieros t\u00e9cnicos para realizar pruebas precisas en una l\u00ednea piloto.\r\n <\/div>\r\n <\/div>\r\n\r\n <\/div>\r\n<\/div>\r\n\r\n<script>\r\n function calculateExpansion() {\r\n \/\/ Inputs & Units\r\n let die = parseFloat(document.getElementById('dieDiameter').value);\r\n const dieUnit = document.getElementById('dieUnit').value;\r\n \r\n let prod = parseFloat(document.getElementById('productDiameter').value);\r\n const prodUnit = document.getElementById('productUnit').value;\r\n\r\n let meltD = parseFloat(document.getElementById('meltDensity').value);\r\n const meltDUnit = document.getElementById('meltDensityUnit').value;\r\n\r\n let prodD = parseFloat(document.getElementById('productDensity').value);\r\n const prodDUnit = document.getElementById('productDensityUnit').value;\r\n\r\n \/\/ Basic numerical validation\r\n if (isNaN(die) || isNaN(prod) || isNaN(meltD) || isNaN(prodD) || die <= 0 || prod <= 0 || meltD <= 0 || prodD <= 0) {\r\n alert(\"Please enter valid positive numbers for all parameters.\");\r\n return;\r\n }\r\n\r\n \/\/ Standardize Dimensions to mm\r\n if (dieUnit === 'in') die = die * 25.4;\r\n if (prodUnit === 'in') prod = prod * 25.4;\r\n\r\n \/\/ Standardize Densities to g\/L\r\n if (meltDUnit === 'lb_ft3') meltD = meltD * 16.0185;\r\n if (prodDUnit === 'lb_ft3') prodD = prodD * 16.0185;\r\n\r\n \/\/ Engineering Logic Validation\r\n if (prodD >= meltD) {\r\n alert(\"Final product density should normally be lower than unexpanded density for expanded extrudates.\");\r\n return;\r\n }\r\n\r\n \/\/ Calculations\r\n \/\/ 1. Diameter Expansion Ratio = Product Diameter \/ Die Diameter\r\n const diameterExpansionRatio = prod \/ die;\r\n\r\n \/\/ 2. Volumetric Expansion Ratio = Unexpanded Density \/ Final Product Density\r\n const volumetricRatio = meltD \/ prodD;\r\n\r\n \/\/ 3. Density Reduction Percentage\r\n const densityReduction = ((meltD - prodD) \/ meltD) * 100;\r\n\r\n \/\/ Display Results\r\n document.getElementById('diameterRatioVal').innerText = diameterExpansionRatio.toFixed(2) + 'x';\r\n document.getElementById('volumetricRatioVal').innerText = volumetricRatio.toFixed(2) + 'x';\r\n document.getElementById('densityReductionVal').innerText = (densityReduction > 0 ? densityReduction.toFixed(1) : '0.0') + '%';\r\n\r\n document.getElementById('resultsZone').style.display = 'block';\r\n }\r\n\r\n function resetCalculator() {\r\n document.getElementById('expansionForm').reset();\r\n document.getElementById('resultsZone').style.display = 'none';\r\n }\r\n<\/script>\r\n\r\n<\/body>\r\n<\/html>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-2a58f11 elementor-widget elementor-widget-html\" data-id=\"2a58f11\" data-element_type=\"widget\" data-widget_type=\"html.default\">\n\t\t\t\t\t\r\n<div class=\"zh-product-card\">\r\n <div class=\"zh-product-info\">\r\n <span class=\"zh-product-badge\">Soluci\u00f3n integral de equipamiento<\/span>\r\n <h3 class=\"zh-product-title\">L\u00ednea de producci\u00f3n autom\u00e1tica de aperitivos inflados<\/h3>\r\n <p class=\"zh-product-desc\">\r\n Descubre las avanzadas l\u00edneas de procesamiento por extrusi\u00f3n de doble husillo de Zhuoheng para rizos de ma\u00edz, bolitas infladas, aperitivos rellenos y chips de cereales, con configuraciones vers\u00e1tiles y capacidades de producci\u00f3n que van desde los 100 kg\/h hasta los 1.500 kg\/h.\r\n <\/p>\r\n <\/div>\r\n <a href=\"https:\/\/zhuohengextruder.com\/es\/Extruder-Machine\/puffed-food-machine\/\" class=\"zh-product-btn\" target=\"_blank\" rel=\"noopener\">\r\n Ver especificaciones de la l\u00ednea \u2192\r\n <\/a>\r\n<\/div>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-095faef elementor-widget elementor-widget-text-editor\" data-id=\"095faef\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<h2 data-path-to-node=\"6\">Calculadora de la relaci\u00f3n de expansi\u00f3n por extrusi\u00f3n: gu\u00eda de ingenier\u00eda y f\u00f3rmulas<\/h2><p data-path-to-node=\"7\">Para conseguir una textura, una densidad aparente y una sensaci\u00f3n en boca precisas en los alimentos extruidos, es necesario comprender bien la mec\u00e1nica de la expansi\u00f3n. Tanto si se fabrican aperitivos inflados por expansi\u00f3n directa, pienso para mascotas con alto contenido en prote\u00ednas, pienso acu\u00e1tico que flota o se hunde, o prote\u00edna vegetal texturizada (TVP), controlar la expansi\u00f3n del producto a la salida de la matriz es fundamental para el control de calidad y la eficiencia del envasado.<\/p><p data-path-to-node=\"8\">Esta calculadora en l\u00ednea del \u00edndice de expansi\u00f3n por extrusi\u00f3n ayuda a los ingenieros alimentarios, a los especialistas en I+D y a los operadores de planta a evaluar r\u00e1pidamente los par\u00e1metros de expansi\u00f3n f\u00edsica utilizando par\u00e1metros de producci\u00f3n est\u00e1ndar.<\/p><h2 data-path-to-node=\"10\">\u00bfQu\u00e9 es la relaci\u00f3n de expansi\u00f3n por extrusi\u00f3n?<\/h2><p data-path-to-node=\"11\">Cuando una masa rica en almid\u00f3n o prote\u00ednas sale por la matriz de una extrusora de doble husillo o de un solo husillo, sufre una r\u00e1pida ca\u00edda de presi\u00f3n, pasando de las altas presiones del cilindro a la presi\u00f3n atmosf\u00e9rica ambiental. El agua sobrecalentada presente en la matriz se convierte instant\u00e1neamente en vapor, formando una estructura celular porosa en el interior del producto extruido.<\/p><p data-path-to-node=\"12\">En <b data-path-to-node=\"12\" data-index-in-node=\"4\">Ratio de expansi\u00f3n<\/b> cuantifica en qu\u00e9 medida el producto crece geom\u00e9tricamente o disminuye en densidad con respecto a su estado no expandido dentro de la matriz. En la extrusi\u00f3n industrial de alimentos, hay dos par\u00e1metros principales que definen este fen\u00f3meno:<\/p><ol start=\"1\" data-path-to-node=\"13\"><li><p data-path-to-node=\"13,0,0\"><b data-path-to-node=\"13,0,0\" data-index-in-node=\"0\">Relaci\u00f3n de expansi\u00f3n del di\u00e1metro (<span class=\"math-inline\" data-math=\"E_d\" data-index-in-node=\"26\">Uno para ti, otro para m\u00ed<\/span>):<\/b> Mide el crecimiento radial de la secci\u00f3n transversal del extrudado en relaci\u00f3n con el di\u00e1metro del orificio de la matriz.<\/p><\/li><li><p data-path-to-node=\"13,1,0\"><b data-path-to-node=\"13,1,0\" data-index-in-node=\"0\">Relaci\u00f3n de expansi\u00f3n volum\u00e9trica (<span class=\"math-inline\" data-math=\"E_v\" data-index-in-node=\"28\">una vez, por primera vez<\/span>):<\/b> Eval\u00faa el crecimiento total del volumen tridimensional comparando la densidad del extrudado sin expandir con la densidad aparente final del producto expandido.<\/p><\/li><\/ol><h2 data-path-to-node=\"15\">\u00bfC\u00f3mo se calculan los \u00edndices de expansi\u00f3n por extrusi\u00f3n?<\/h2><p data-path-to-node=\"16\">Las f\u00f3rmulas matem\u00e1ticas utilizadas en esta herramienta se basan en principios establecidos de ingenier\u00eda de procesos alimentarios (citados habitualmente en la bibliograf\u00eda sobre extrusi\u00f3n de alimentos por Harper, Guy y Mian Riaz):<\/p><h3 data-path-to-node=\"17\">1. F\u00f3rmula de la relaci\u00f3n de expansi\u00f3n del di\u00e1metro<\/h3><div data-path-to-node=\"18\"><div class=\"math-block\" data-math=\"\\text{Diameter Expansion Ratio } (E_d) = \\frac{D_{\\text{extrudate}}}{D_{\\text{die}}}\">$$\\text{Relaci\u00f3n de expansi\u00f3n del di\u00e1metro } (E_d) = \\frac{D_{\\text{extrudado}}}{D_{\\text{matriz}}}$$<\/div><\/div><ul data-path-to-node=\"19\"><li><p data-path-to-node=\"19,0,0\"><b data-path-to-node=\"19,0,0\" data-index-in-node=\"0\"><span class=\"math-inline\" data-math=\"D_{\\text{extrudate}}\" data-index-in-node=\"0\">$D_{\\text{extruidos}}$<\/span>:<\/b> El di\u00e1metro exterior medido del producto final (en mil\u00edmetros o pulgadas).<\/p><\/li><li><p data-path-to-node=\"19,1,0\"><b data-path-to-node=\"19,1,0\" data-index-in-node=\"0\"><span class=\"math-inline\" data-math=\"D_{\\text{die}}\" data-index-in-node=\"0\">$D_{\\text{la}}$<\/span>:<\/b> El di\u00e1metro del orificio de la boquilla de la matriz (mm o pulgadas).<\/p><\/li><\/ul><p data-path-to-node=\"20\"><i data-path-to-node=\"20\" data-index-in-node=\"0\">Ejemplo:<\/i> Si el di\u00e1metro de la boquilla de la matriz es <b data-path-to-node=\"20\" data-index-in-node=\"37\">3,0 mm<\/b> y el producto final mide <b data-path-to-node=\"20\" data-index-in-node=\"75\">12,0 mm<\/b>, la relaci\u00f3n de expansi\u00f3n del di\u00e1metro es <b data-path-to-node=\"20\" data-index-in-node=\"116\">4,00x<\/b>.<\/p><h3 data-path-to-node=\"21\">2. F\u00f3rmula del coeficiente de expansi\u00f3n volum\u00e9trica<\/h3><div data-path-to-node=\"22\"><div class=\"math-block\" data-math=\"\\text{Volumetric Expansion Ratio } (E_v) = \\frac{\\rho_{\\text{unexpanded}}}{\\rho_{\\text{final}}}\">$$\\text{Relaci\u00f3n de expansi\u00f3n volum\u00e9trica } (E_v) = \\frac{\\rho_{\\text{sin expandir}}}{\\rho_{\\text{final}}}$$<\/div><\/div><ul data-path-to-node=\"23\"><li><p data-path-to-node=\"23,0,0\"><b data-path-to-node=\"23,0,0\" data-index-in-node=\"0\"><span class=\"math-inline\" data-math=\"\\rho_{\\text{unexpanded}}\" data-index-in-node=\"0\">$\\rho_{\\text{no expandido}}$<\/span>:<\/b> La densidad del extrudado sin expandir antes de la expansi\u00f3n a la salida de la matriz (g\/L o lb\/ft\u00b3).<\/p><\/li><li><p data-path-to-node=\"23,1,0\"><b data-path-to-node=\"23,1,0\" data-index-in-node=\"0\"><span class=\"math-inline\" data-math=\"\\rho_{\\text{final}}\" data-index-in-node=\"0\">$\\rho_{\\text{final}}$<\/span>:<\/b> Densidad aparente del producto extruido final (g\/L o lb\/ft\u00b3).<\/p><\/li><\/ul><p data-path-to-node=\"24\"><i data-path-to-node=\"24\" data-index-in-node=\"0\">Ejemplo:<\/i> Si la densidad del extrudado sin expandir es <b data-path-to-node=\"24\" data-index-in-node=\"48\">450 g\/l<\/b> y la densidad aparente del producto final desciende hasta <b data-path-to-node=\"24\" data-index-in-node=\"100\">60 g\/l<\/b>, el coeficiente de expansi\u00f3n volum\u00e9trica es <b data-path-to-node=\"24\" data-index-in-node=\"142\">7,50x<\/b>.<\/p><h3 data-path-to-node=\"25\">3. F\u00f3rmula para la reducci\u00f3n de la densidad relativa<\/h3><div data-path-to-node=\"26\"><div class=\"math-block\" data-math=\"\\text{Density Reduction } (\\%) = \\left( 1 - \\frac{\\rho_{\\text{final}}}{\\rho_{\\text{unexpanded}}} \\right) \\times 100\">$$\\text{Reducci\u00f3n de la densidad } (\\%) = \\left( 1 \u2013 \\frac{\\rho_{\\text{final}}}{\\rho_{\\text{no expandida}}} \\right) \\times 100$$<\/div><\/div><p data-path-to-node=\"27\">Este porcentaje indica la reducci\u00f3n global de la densidad aparente y refleja el desarrollo de una estructura celular m\u00e1s ligera durante el proceso de expansi\u00f3n.<\/p><h2 data-path-to-node=\"29\">Factores clave que influyen en la expansi\u00f3n de la gama de productos<\/h2><p data-path-to-node=\"30\">Aunque esta calculadora ofrece estimaciones geom\u00e9tricas y de densidad al instante, la expansi\u00f3n por extrusi\u00f3n en la pr\u00e1ctica es un proceso termomec\u00e1nico din\u00e1mico que depende de varias variables que interact\u00faan entre s\u00ed:<\/p><ul data-path-to-node=\"31\"><li><p data-path-to-node=\"31,0,0\"><b data-path-to-node=\"31,0,0\" data-index-in-node=\"0\">Tipo de almid\u00f3n y gelatinizacion:<\/b> Un mayor contenido de amilopectina suele favorecer un mayor potencial de expansi\u00f3n y una mayor elasticidad de la pared celular en comparaci\u00f3n con las formulaciones con alto contenido en amilosa.<\/p><\/li><li><p data-path-to-node=\"31,1,0\"><b data-path-to-node=\"31,1,0\" data-index-in-node=\"0\">Temperatura de fusi\u00f3n y presi\u00f3n de la matriz:<\/b> El aumento de la temperatura del cilindro incrementa la presi\u00f3n de vapor detr\u00e1s de la matriz, lo que provoca la evaporaci\u00f3n instant\u00e1nea del vapor. Sin embargo, una temperatura excesiva tambi\u00e9n puede debilitar la estructura de la pared celular y provocar un colapso t\u00e9rmico.<\/p><\/li><li><p data-path-to-node=\"31,2,0\"><b data-path-to-node=\"31,2,0\" data-index-in-node=\"0\">Contenido de humedad:<\/b> El agua act\u00faa tanto como plastificante como agente espumante principal. El contenido \u00f3ptimo de humedad depende en gran medida de la formulaci\u00f3n espec\u00edfica del producto y del proceso de extrusi\u00f3n. Unos niveles moderados de humedad mejoran la fluidez de la masa fundida, mientras que un exceso de humedad puede reducir la viscosidad de la masa fundida y limitar la expansi\u00f3n.<\/p><\/li><li><p data-path-to-node=\"31,3,0\"><b data-path-to-node=\"31,3,0\" data-index-in-node=\"0\">EneaMamfc eacc ep\u00edgs\u00edr( ieicSn\u00e1E):<\/b> Unas velocidades de cizallamiento del tornillo m\u00e1s elevadas modifican la despolimerizaci\u00f3n del almid\u00f3n y la viscosidad del fundido, lo que influye directamente en la distribuci\u00f3n del tama\u00f1o de las c\u00e9lulas y en la textura crujiente del producto.<\/p><\/li><\/ul><h2 data-path-to-node=\"33\">Aplicaciones industriales<\/h2><p data-path-to-node=\"34\">Esta calculadora de expansi\u00f3n est\u00e1 dise\u00f1ada para optimizar los procesos en diversas l\u00edneas de fabricaci\u00f3n de extrusi\u00f3n comercial:<\/p><ul data-path-to-node=\"35\"><li><p data-path-to-node=\"35,0,0\"><b data-path-to-node=\"35,0,0\" data-index-in-node=\"0\">Alimentos para mascotas y piensos para peces:<\/b> Calibraci\u00f3n de la densidad aparente de los piensos granulados para garantizar la precisi\u00f3n en los pesos de llenado de los envases y gesti\u00f3n de las caracter\u00edsticas de hundimiento frente a flotabilidad en los piensos acu\u00e1ticos.<\/p><\/li><li><p data-path-to-node=\"35,1,0\"><b data-path-to-node=\"35,1,0\" data-index-in-node=\"0\">Aperitivos de expansi\u00f3n directa:<\/b> Optimizaci\u00f3n del crujido, la resistencia estructural y la capacidad de absorci\u00f3n de aceite de los rizos de ma\u00edz, los aperitivos en forma de bolitas y los crujientes de arroz.<\/p><\/li><li><p data-path-to-node=\"35,2,0\"><b data-path-to-node=\"35,2,0\" data-index-in-node=\"0\">Prote\u00edna vegetal texturizada (TVP):<\/b> Seguimiento del comportamiento de expansi\u00f3n longitudinal frente al radial para conseguir texturas aut\u00e9nticas, fibrosas y similares a las de la carne a partir de aislado de soja o prote\u00edna de guisante.<\/p><\/li><\/ul><h2 data-path-to-node=\"37\">Preguntas m\u00e1s frecuentes (FAQ)<\/h2><h3 data-path-to-node=\"38\">\u00bfCu\u00e1l es una buena relaci\u00f3n de expansi\u00f3n por extrusi\u00f3n?<\/h3><p data-path-to-node=\"39\">Los \u00edndices de expansi\u00f3n deseados var\u00edan considerablemente seg\u00fan la aplicaci\u00f3n. Los aperitivos inflados por expansi\u00f3n directa suelen buscar \u00edndices de expansi\u00f3n de gran di\u00e1metro (de 3x a 6x+), mientras que los piensos para mascotas y los piensos acu\u00e1ticos dan prioridad a una densidad controlada y a la durabilidad estructural, con \u00edndices de expansi\u00f3n m\u00e1s bajos.<\/p><h3 data-path-to-node=\"40\">\u00bfC\u00f3mo afecta la humedad a la expansi\u00f3n por extrusi\u00f3n?<\/h3><p data-path-to-node=\"41\">La humedad act\u00faa tanto como plastificante como fuente principal de vapor para el proceso de expansi\u00f3n. El nivel \u00f3ptimo de humedad depende de la formulaci\u00f3n, la configuraci\u00f3n del tornillo y la densidad deseada. Una humedad insuficiente limita la generaci\u00f3n de vapor, mientras que un exceso de humedad reduce la viscosidad de la masa fundida, lo que provoca el colapso de las celdas.<\/p><h3 data-path-to-node=\"42\">\u00bfPuede esta calculadora determinar la capacidad de producci\u00f3n exacta de una extrusora?<\/h3><p data-path-to-node=\"43\">No. Esta herramienta calcula los par\u00e1metros de expansi\u00f3n f\u00edsica bas\u00e1ndose en las dimensiones y las densidades. El rendimiento de la producci\u00f3n depende de las tasas de dosificaci\u00f3n del alimentador, la velocidad del motor, la geometr\u00eda del husillo y el dise\u00f1o general de la l\u00ednea.<\/p><h2 data-path-to-node=\"45\">\u00bfNecesitas asesoramiento t\u00e9cnico o ingenier\u00eda de l\u00edneas a medida?<\/h2><p data-path-to-node=\"46\">Para probar variaciones de recetas o pasar de l\u00edneas piloto de laboratorio a sistemas de extrusi\u00f3n comerciales de alta capacidad, se requiere un dise\u00f1o especializado de las matrices y configuraciones espec\u00edficas del perfil del tornillo.<\/p><p data-path-to-node=\"47\">Si sebei s lricttaerinmde noueoi i apezzotepeudntee aaulcnodualitapnpemtucrein oasc ,lnue qoroi\u00e9 l apsapnpssczse fetfoee lcon isodsao gh e ido n csaniaa ceiteexrn n ogos rds uc poldita sii dro sentetacdlrlrtsensocoouo cila oct,trpdunaone b d en <b data-path-to-node=\"47\" data-index-in-node=\"161\">Maquinaria de extrusi\u00f3n Zhuoheng<\/b>.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>","protected":false},"excerpt":{"rendered":"<p>Extrusion Expansion Ratio Calculator Extrusion Expansion Ratio Calculator Calculate diameter & volumetric expansion ratios and density reduction for puffed food, […]<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"site-sidebar-layout":"no-sidebar","site-content-layout":"page-builder","ast-site-content-layout":"full-width-container","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"disabled","ast-breadcrumbs-content":"","ast-featured-img":"disabled","footer-sml-layout":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"set","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center 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\n\t\t\t\t\t\r\n\r\n\r\n \r\n \r\n Extrusion Expansion Ratio Calculator<\/title>\r\n <style>\r\n \/* Reset & Container Setup *\/\r\n .zhuoheng-calc-wrapper * {\r\n box-sizing: border-box;\r\n font-family: -apple-system, BlinkMacSystemFont, \"Segoe UI\", Roboto, Helvetica, Arial, sans-serif;\r\n }\r\n \r\n .zhuoheng-calc-wrapper {\r\n max-width: 800px;\r\n margin: 20px auto;\r\n border: 1px solid #e2e8f0;\r\n border-radius: 12px;\r\n overflow: hidden;\r\n background-color: #ffffff;\r\n box-shadow: 0 10px 25px rgba(0, 0, 0, 0.05);\r\n }\r\n\r\n \/* 1. Header Area: Blue Background, White Text *\/\r\n .calc-header {\r\n background-color: #0b5ed7;\r\n color: #ffffff;\r\n padding: 32px 24px;\r\n text-align: center;\r\n }\r\n\r\n .calc-header h1 {\r\n margin: 0 0 10px 0;\r\n font-size: 26px;\r\n font-weight: 700;\r\n color: #ffffff;\r\n line-height: 1.3;\r\n }\r\n\r\n .calc-header p {\r\n margin: 0;\r\n font-size: 14px;\r\n color: #e0eafc;\r\n line-height: 1.5;\r\n }\r\n\r\n \/* 2. Form Body *\/\r\n .calc-body {\r\n padding: 28px 24px;\r\n background-color: #f8fafc;\r\n }\r\n\r\n .calc-grid {\r\n display: grid;\r\n grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));\r\n gap: 20px;\r\n margin-bottom: 24px;\r\n }\r\n\r\n .input-group {\r\n display: flex;\r\n flex-direction: column;\r\n }\r\n\r\n .input-group label {\r\n font-size: 13px;\r\n font-weight: 600;\r\n color: #1e293b;\r\n margin-bottom: 6px;\r\n }\r\n\r\n .input-control-wrap {\r\n display: flex;\r\n border: 1px solid #cbd5e1;\r\n border-radius: 6px;\r\n overflow: hidden;\r\n background: #ffffff;\r\n transition: border-color 0.2s ease;\r\n }\r\n\r\n .input-control-wrap:focus-within {\r\n border-color: #0b5ed7;\r\n box-shadow: 0 0 0 3px rgba(11, 94, 215, 0.15);\r\n }\r\n\r\n .input-control-wrap input {\r\n flex: 1;\r\n border: none;\r\n padding: 10px 12px;\r\n font-size: 15px;\r\n outline: none;\r\n color: #0f172a;\r\n width: 100%;\r\n }\r\n\r\n .input-control-wrap select {\r\n border: none;\r\n border-left: 1px solid #e2e8f0;\r\n background-color: #f1f5f9;\r\n padding: 0 10px;\r\n font-size: 13px;\r\n color: #475569;\r\n outline: none;\r\n cursor: pointer;\r\n }\r\n\r\n \/* Buttons Style *\/\r\n .calc-btn-group {\r\n display: flex;\r\n gap: 12px;\r\n margin-top: 8px;\r\n }\r\n\r\n \/* Blue Buttons, White Text *\/\r\n .btn-blue {\r\n flex: 1;\r\n background-color: #0b5ed7;\r\n color: #ffffff;\r\n border: none;\r\n padding: 12px 20px;\r\n font-size: 15px;\r\n font-weight: 600;\r\n border-radius: 6px;\r\n cursor: pointer;\r\n transition: background-color 0.2s ease, transform 0.1s ease;\r\n text-align: center;\r\n }\r\n\r\n .btn-blue:hover {\r\n background-color: #0a58ca;\r\n }\r\n\r\n .btn-blue:active {\r\n transform: scale(0.99);\r\n }\r\n\r\n .btn-outline-blue {\r\n background-color: #ffffff;\r\n color: #0b5ed7;\r\n border: 1px solid #0b5ed7;\r\n padding: 12px 20px;\r\n font-size: 15px;\r\n font-weight: 600;\r\n border-radius: 6px;\r\n cursor: pointer;\r\n transition: all 0.2s ease;\r\n text-align: center;\r\n }\r\n\r\n .btn-outline-blue:hover {\r\n background-color: #eff6ff;\r\n }\r\n\r\n \/* Results Section *\/\r\n .calc-results-zone {\r\n margin-top: 28px;\r\n padding-top: 24px;\r\n border-top: 2px dashed #e2e8f0;\r\n display: none; \/* Dynamic Display *\/\r\n }\r\n\r\n .results-grid {\r\n display: grid;\r\n grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));\r\n gap: 16px;\r\n margin-bottom: 20px;\r\n }\r\n\r\n .result-card {\r\n background: #ffffff;\r\n border: 1px solid #bfdbfe;\r\n border-radius: 8px;\r\n padding: 16px;\r\n text-align: center;\r\n }\r\n\r\n .result-card .res-title {\r\n font-size: 12px;\r\n font-weight: 600;\r\n text-transform: uppercase;\r\n letter-spacing: 0.5px;\r\n color: #475569;\r\n margin-bottom: 6px;\r\n }\r\n\r\n .result-card .res-value {\r\n font-size: 24px;\r\n font-weight: 700;\r\n color: #0b5ed7;\r\n }\r\n\r\n .result-card .res-unit {\r\n font-size: 12px;\r\n color: #64748b;\r\n margin-top: 2px;\r\n }\r\n\r\n \/* CTA Section: Yellow Background, Purple Text *\/\r\n .cta-wrapper {\r\n margin-top: 24px;\r\n text-align: center;\r\n }\r\n\r\n .btn-cta-yellow {\r\n display: inline-block;\r\n width: 100%;\r\n background-color: #ffc107;\r\n color: #4a154b; \/* Deep Purple *\/\r\n font-weight: 700;\r\n font-size: 16px;\r\n padding: 14px 24px;\r\n text-decoration: none;\r\n border-radius: 6px;\r\n border: none;\r\n box-shadow: 0 4px 12px rgba(255, 193, 7, 0.3);\r\n transition: all 0.2s ease;\r\n box-sizing: border-box;\r\n }\r\n\r\n .btn-cta-yellow:hover {\r\n background-color: #ffca2c;\r\n color: #300d32;\r\n transform: translateY(-1px);\r\n box-shadow: 0 6px 16px rgba(255, 193, 7, 0.4);\r\n }\r\n\r\n \/* Disclaimer Styling *\/\r\n .disclaimer-text {\r\n font-size: 12px;\r\n color: #64748b;\r\n line-height: 1.5;\r\n margin-top: 16px;\r\n text-align: center;\r\n padding: 0 10px;\r\n }\r\n\r\n @media (max-width: 600px) {\r\n .calc-btn-group {\r\n flex-direction: column;\r\n }\r\n .calc-header h1 {\r\n font-size: 22px;\r\n }\r\n }\r\n <\/style>\r\n<\/head>\r\n<body>\r\n\r\n<div class=\"zhuoheng-calc-wrapper\">\r\n \r\n <div class=\"calc-header\">\r\n <h1>Calculadora de la relaci\u00f3n de expansi\u00f3n por extrusi\u00f3n<\/h1>\r\n <p>Calcular los \u00edndices de expansi\u00f3n volum\u00e9trica y de di\u00e1metro, as\u00ed como la reducci\u00f3n de la densidad, para alimentos inflados, alimentos para mascotas y extruidos de prote\u00ednas texturizadas.<\/p>\r\n <\/div>\r\n\r\n \r\n <div class=\"calc-body\">\r\n <form id=\"expansionForm\" action=\"\">\r\n <div class=\"calc-grid\">\r\n \r\n <div class=\"input-group\">\r\n <label for=\"dieDiameter\">Di\u00e1metro de la boquilla<\/label>\r\n <div class=\"input-control-wrap\">\r\n <input type=\"number\" id=\"dieDiameter\" step=\"any\" placeholder=\"p. ej., 3,0\" value=\"3.0\" required>\r\n <select id=\"dieUnit\">\r\n <option value=\"mm\" selected>mm<\/option>\r\n <option value=\"in\">en<\/option>\r\n <\/select>\r\n <\/div>\r\n <\/div>\r\n\r\n <div class=\"input-group\">\r\n <label for=\"productDiameter\">Di\u00e1metro del producto extruido<\/label>\r\n <div class=\"input-control-wrap\">\r\n <input type=\"number\" id=\"productDiameter\" step=\"any\" placeholder=\"p. ej., 12,0\" value=\"12.0\" required>\r\n <select id=\"productUnit\">\r\n <option value=\"mm\" selected>mm<\/option>\r\n <option value=\"in\">en<\/option>\r\n <\/select>\r\n <\/div>\r\n <\/div>\r\n\r\n <div class=\"input-group\">\r\n <label for=\"meltDensity\">Densidad del extrudado sin expandir<\/label>\r\n <div class=\"input-control-wrap\">\r\n <input type=\"number\" id=\"meltDensity\" step=\"any\" placeholder=\"p. ej., 450\" value=\"450\" required>\r\n <select id=\"meltDensityUnit\">\r\n <option value=\"g_l\" selected>g\/L<\/option>\r\n <option value=\"lb_ft3\">libras por pie c\u00fabico<\/option>\r\n <\/select>\r\n <\/div>\r\n <\/div>\r\n\r\n <div class=\"input-group\">\r\n <label for=\"productDensity\">Densidad aparente del producto final<\/label>\r\n <div class=\"input-control-wrap\">\r\n <input type=\"number\" id=\"productDensity\" step=\"any\" placeholder=\"p. ej., 60\" value=\"60\" required>\r\n <select id=\"productDensityUnit\">\r\n <option value=\"g_l\" selected>g\/L<\/option>\r\n <option value=\"lb_ft3\">libras por pie c\u00fabico<\/option>\r\n <\/select>\r\n <\/div>\r\n <\/div>\r\n\r\n <\/div>\r\n\r\n \r\n <div class=\"calc-btn-group\">\r\n <button type=\"button\" class=\"btn-blue\" onclick=\"calculateExpansion()\">Calcular resultados<\/button>\r\n <button type=\"button\" class=\"btn-outline-blue\" onclick=\"resetCalculator()\">Restablecer formulario<\/button>\r\n <\/div>\r\n <input type=\"hidden\" name=\"trp-form-language\" value=\"es\"\/><\/form>\r\n\r\n \r\n <div class=\"calc-results-zone\" id=\"resultsZone\">\r\n <div class=\"results-grid\">\r\n <div class=\"result-card\">\r\n <div class=\"res-title\">Relaci\u00f3n de expansi\u00f3n del di\u00e1metro<\/div>\r\n <div class=\"res-value\" id=\"diameterRatioVal\">0.00<\/div>\r\n <div class=\"res-unit\">(Di\u00e1metro del extrudado \u00f7 di\u00e1metro de la matriz)<\/div>\r\n <\/div>\r\n <div class=\"result-card\">\r\n <div class=\"res-title\">Relaci\u00f3n de expansi\u00f3n volum\u00e9trica<\/div>\r\n <div class=\"res-value\" id=\"volumetricRatioVal\">0.00<\/div>\r\n <div class=\"res-unit\">(Densidad no expandida \u00f7 densidad expandida)<\/div>\r\n <\/div>\r\n <div class=\"result-card\">\r\n <div class=\"res-title\">Reducci\u00f3n de la densidad<\/div>\r\n <div class=\"res-value\" id=\"densityReductionVal\">0.0%<\/div>\r\n <div class=\"res-unit\">(Disminuci\u00f3n de la densidad relativa)<\/div>\r\n <\/div>\r\n <\/div>\r\n\r\n \r\n <div class=\"cta-wrapper\">\r\n <a href=\"https:\/\/zhuohengextruder.com\/es\/contact\/\" target=\"_blank\" class=\"btn-cta-yellow\">\r\n Obt\u00e9n un presupuesto detallado por l\u00edneas y asesoramiento sobre f\u00f3rmulas\r\n <\/a>\r\n <\/div>\r\n\r\n \r\n <div class=\"disclaimer-text\">\r\n Nota: Las cifras de expansi\u00f3n calculadas tienen \u00fanicamente car\u00e1cter de referencia t\u00e9cnica. Las tasas de expansi\u00f3n reales en la producci\u00f3n se ven muy influidas por el grado de gelatinizaci\u00f3n del almid\u00f3n, la temperatura del cilindro, el contenido de humedad y la configuraci\u00f3n de cizallamiento del tornillo. Consulte a nuestros ingenieros t\u00e9cnicos para realizar pruebas precisas en una l\u00ednea piloto.\r\n <\/div>\r\n <\/div>\r\n\r\n <\/div>\r\n<\/div>\r\n\r\n<script>\r\n function calculateExpansion() {\r\n \/\/ Inputs & Units\r\n let die = parseFloat(document.getElementById('dieDiameter').value);\r\n const dieUnit = document.getElementById('dieUnit').value;\r\n \r\n let prod = parseFloat(document.getElementById('productDiameter').value);\r\n const prodUnit = document.getElementById('productUnit').value;\r\n\r\n let meltD = parseFloat(document.getElementById('meltDensity').value);\r\n const meltDUnit = document.getElementById('meltDensityUnit').value;\r\n\r\n let prodD = parseFloat(document.getElementById('productDensity').value);\r\n const prodDUnit = document.getElementById('productDensityUnit').value;\r\n\r\n \/\/ Basic numerical validation\r\n if (isNaN(die) || isNaN(prod) || isNaN(meltD) || isNaN(prodD) || die <= 0 || prod <= 0 || meltD <= 0 || prodD <= 0) {\r\n alert(\"Please enter valid positive numbers for all parameters.\");\r\n return;\r\n }\r\n\r\n \/\/ Standardize Dimensions to mm\r\n if (dieUnit === 'in') die = die * 25.4;\r\n if (prodUnit === 'in') prod = prod * 25.4;\r\n\r\n \/\/ Standardize Densities to g\/L\r\n if (meltDUnit === 'lb_ft3') meltD = meltD * 16.0185;\r\n if (prodDUnit === 'lb_ft3') prodD = prodD * 16.0185;\r\n\r\n \/\/ Engineering Logic Validation\r\n if (prodD >= meltD) {\r\n alert(\"Final product density should normally be lower than unexpanded density for expanded extrudates.\");\r\n return;\r\n }\r\n\r\n \/\/ Calculations\r\n \/\/ 1. Diameter Expansion Ratio = Product Diameter \/ Die Diameter\r\n const diameterExpansionRatio = prod \/ die;\r\n\r\n \/\/ 2. Volumetric Expansion Ratio = Unexpanded Density \/ Final Product Density\r\n const volumetricRatio = meltD \/ prodD;\r\n\r\n \/\/ 3. Density Reduction Percentage\r\n const densityReduction = ((meltD - prodD) \/ meltD) * 100;\r\n\r\n \/\/ Display Results\r\n document.getElementById('diameterRatioVal').innerText = diameterExpansionRatio.toFixed(2) + 'x';\r\n document.getElementById('volumetricRatioVal').innerText = volumetricRatio.toFixed(2) + 'x';\r\n document.getElementById('densityReductionVal').innerText = (densityReduction > 0 ? densityReduction.toFixed(1) : '0.0') + '%';\r\n\r\n document.getElementById('resultsZone').style.display = 'block';\r\n }\r\n\r\n function resetCalculator() {\r\n document.getElementById('expansionForm').reset();\r\n document.getElementById('resultsZone').style.display = 'none';\r\n }\r\n<\/script>\r\n\r\n<\/body>\r\n<\/html>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-2a58f11 elementor-widget elementor-widget-html\" data-id=\"2a58f11\" data-element_type=\"widget\" data-widget_type=\"html.default\">\n\t\t\t\t\t\r\n<div class=\"zh-product-card\">\r\n <div class=\"zh-product-info\">\r\n <span class=\"zh-product-badge\">Soluci\u00f3n integral de equipamiento<\/span>\r\n <h3 class=\"zh-product-title\">L\u00ednea de producci\u00f3n autom\u00e1tica de aperitivos inflados<\/h3>\r\n <p class=\"zh-product-desc\">\r\n Descubre las avanzadas l\u00edneas de procesamiento por extrusi\u00f3n de doble husillo de Zhuoheng para rizos de ma\u00edz, bolitas infladas, aperitivos rellenos y chips de cereales, con configuraciones vers\u00e1tiles y capacidades de producci\u00f3n que van desde los 100 kg\/h hasta los 1.500 kg\/h.\r\n <\/p>\r\n <\/div>\r\n <a href=\"https:\/\/zhuohengextruder.com\/es\/Extruder-Machine\/puffed-food-machine\/\" class=\"zh-product-btn\" target=\"_blank\" rel=\"noopener\">\r\n Ver especificaciones de la l\u00ednea \u2192\r\n <\/a>\r\n<\/div>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-095faef elementor-widget elementor-widget-text-editor\" data-id=\"095faef\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<h2 data-path-to-node=\"6\">Calculadora de la relaci\u00f3n de expansi\u00f3n por extrusi\u00f3n: gu\u00eda de ingenier\u00eda y f\u00f3rmulas<\/h2><p data-path-to-node=\"7\">Para conseguir una textura, una densidad aparente y una sensaci\u00f3n en boca precisas en los alimentos extruidos, es necesario comprender bien la mec\u00e1nica de la expansi\u00f3n. Tanto si se fabrican aperitivos inflados por expansi\u00f3n directa, pienso para mascotas con alto contenido en prote\u00ednas, pienso acu\u00e1tico que flota o se hunde, o prote\u00edna vegetal texturizada (TVP), controlar la expansi\u00f3n del producto a la salida de la matriz es fundamental para el control de calidad y la eficiencia del envasado.<\/p><p data-path-to-node=\"8\">Esta calculadora en l\u00ednea del \u00edndice de expansi\u00f3n por extrusi\u00f3n ayuda a los ingenieros alimentarios, a los especialistas en I+D y a los operadores de planta a evaluar r\u00e1pidamente los par\u00e1metros de expansi\u00f3n f\u00edsica utilizando par\u00e1metros de producci\u00f3n est\u00e1ndar.<\/p><h2 data-path-to-node=\"10\">\u00bfQu\u00e9 es la relaci\u00f3n de expansi\u00f3n por extrusi\u00f3n?<\/h2><p data-path-to-node=\"11\">Cuando una masa rica en almid\u00f3n o prote\u00ednas sale por la matriz de una extrusora de doble husillo o de un solo husillo, sufre una r\u00e1pida ca\u00edda de presi\u00f3n, pasando de las altas presiones del cilindro a la presi\u00f3n atmosf\u00e9rica ambiental. El agua sobrecalentada presente en la matriz se convierte instant\u00e1neamente en vapor, formando una estructura celular porosa en el interior del producto extruido.<\/p><p data-path-to-node=\"12\">En <b data-path-to-node=\"12\" data-index-in-node=\"4\">Ratio de expansi\u00f3n<\/b> cuantifica en qu\u00e9 medida el producto crece geom\u00e9tricamente o disminuye en densidad con respecto a su estado no expandido dentro de la matriz. En la extrusi\u00f3n industrial de alimentos, hay dos par\u00e1metros principales que definen este fen\u00f3meno:<\/p><ol start=\"1\" data-path-to-node=\"13\"><li><p data-path-to-node=\"13,0,0\"><b data-path-to-node=\"13,0,0\" data-index-in-node=\"0\">Relaci\u00f3n de expansi\u00f3n del di\u00e1metro (<span class=\"math-inline\" data-math=\"E_d\" data-index-in-node=\"26\">Uno para ti, otro para m\u00ed<\/span>):<\/b> Mide el crecimiento radial de la secci\u00f3n transversal del extrudado en relaci\u00f3n con el di\u00e1metro del orificio de la matriz.<\/p><\/li><li><p data-path-to-node=\"13,1,0\"><b data-path-to-node=\"13,1,0\" data-index-in-node=\"0\">Relaci\u00f3n de expansi\u00f3n volum\u00e9trica (<span class=\"math-inline\" data-math=\"E_v\" data-index-in-node=\"28\">una vez, por primera vez<\/span>):<\/b> Eval\u00faa el crecimiento total del volumen tridimensional comparando la densidad del extrudado sin expandir con la densidad aparente final del producto expandido.<\/p><\/li><\/ol><h2 data-path-to-node=\"15\">\u00bfC\u00f3mo se calculan los \u00edndices de expansi\u00f3n por extrusi\u00f3n?<\/h2><p data-path-to-node=\"16\">Las f\u00f3rmulas matem\u00e1ticas utilizadas en esta herramienta se basan en principios establecidos de ingenier\u00eda de procesos alimentarios (citados habitualmente en la bibliograf\u00eda sobre extrusi\u00f3n de alimentos por Harper, Guy y Mian Riaz):<\/p><h3 data-path-to-node=\"17\">1. F\u00f3rmula de la relaci\u00f3n de expansi\u00f3n del di\u00e1metro<\/h3><div data-path-to-node=\"18\"><div class=\"math-block\" data-math=\"\\text{Diameter Expansion Ratio } (E_d) = \\frac{D_{\\text{extrudate}}}{D_{\\text{die}}}\">$$\\text{Relaci\u00f3n de expansi\u00f3n del di\u00e1metro } (E_d) = \\frac{D_{\\text{extrudado}}}{D_{\\text{matriz}}}$$<\/div><\/div><ul data-path-to-node=\"19\"><li><p data-path-to-node=\"19,0,0\"><b data-path-to-node=\"19,0,0\" data-index-in-node=\"0\"><span class=\"math-inline\" data-math=\"D_{\\text{extrudate}}\" data-index-in-node=\"0\">$D_{\\text{extruidos}}$<\/span>:<\/b> El di\u00e1metro exterior medido del producto final (en mil\u00edmetros o pulgadas).<\/p><\/li><li><p data-path-to-node=\"19,1,0\"><b data-path-to-node=\"19,1,0\" data-index-in-node=\"0\"><span class=\"math-inline\" data-math=\"D_{\\text{die}}\" data-index-in-node=\"0\">$D_{\\text{la}}$<\/span>:<\/b> El di\u00e1metro del orificio de la boquilla de la matriz (mm o pulgadas).<\/p><\/li><\/ul><p data-path-to-node=\"20\"><i data-path-to-node=\"20\" data-index-in-node=\"0\">Ejemplo:<\/i> Si el di\u00e1metro de la boquilla de la matriz es <b data-path-to-node=\"20\" data-index-in-node=\"37\">3,0 mm<\/b> y el producto final mide <b data-path-to-node=\"20\" data-index-in-node=\"75\">12,0 mm<\/b>, la relaci\u00f3n de expansi\u00f3n del di\u00e1metro es <b data-path-to-node=\"20\" data-index-in-node=\"116\">4,00x<\/b>.<\/p><h3 data-path-to-node=\"21\">2. F\u00f3rmula del coeficiente de expansi\u00f3n volum\u00e9trica<\/h3><div data-path-to-node=\"22\"><div class=\"math-block\" data-math=\"\\text{Volumetric Expansion Ratio } (E_v) = \\frac{\\rho_{\\text{unexpanded}}}{\\rho_{\\text{final}}}\">$$\\text{Relaci\u00f3n de expansi\u00f3n volum\u00e9trica } (E_v) = \\frac{\\rho_{\\text{sin expandir}}}{\\rho_{\\text{final}}}$$<\/div><\/div><ul data-path-to-node=\"23\"><li><p data-path-to-node=\"23,0,0\"><b data-path-to-node=\"23,0,0\" data-index-in-node=\"0\"><span class=\"math-inline\" data-math=\"\\rho_{\\text{unexpanded}}\" data-index-in-node=\"0\">$\\rho_{\\text{no expandido}}$<\/span>:<\/b> La densidad del extrudado sin expandir antes de la expansi\u00f3n a la salida de la matriz (g\/L o lb\/ft\u00b3).<\/p><\/li><li><p data-path-to-node=\"23,1,0\"><b data-path-to-node=\"23,1,0\" data-index-in-node=\"0\"><span class=\"math-inline\" data-math=\"\\rho_{\\text{final}}\" data-index-in-node=\"0\">$\\rho_{\\text{final}}$<\/span>:<\/b> Densidad aparente del producto extruido final (g\/L o lb\/ft\u00b3).<\/p><\/li><\/ul><p data-path-to-node=\"24\"><i data-path-to-node=\"24\" data-index-in-node=\"0\">Ejemplo:<\/i> Si la densidad del extrudado sin expandir es <b data-path-to-node=\"24\" data-index-in-node=\"48\">450 g\/l<\/b> y la densidad aparente del producto final desciende hasta <b data-path-to-node=\"24\" data-index-in-node=\"100\">60 g\/l<\/b>, el coeficiente de expansi\u00f3n volum\u00e9trica es <b data-path-to-node=\"24\" data-index-in-node=\"142\">7,50x<\/b>.<\/p><h3 data-path-to-node=\"25\">3. F\u00f3rmula para la reducci\u00f3n de la densidad relativa<\/h3><div data-path-to-node=\"26\"><div class=\"math-block\" data-math=\"\\text{Density Reduction } (\\%) = \\left( 1 - \\frac{\\rho_{\\text{final}}}{\\rho_{\\text{unexpanded}}} \\right) \\times 100\">$$\\text{Reducci\u00f3n de la densidad } (\\%) = \\left( 1 \u2013 \\frac{\\rho_{\\text{final}}}{\\rho_{\\text{no expandida}}} \\right) \\times 100$$<\/div><\/div><p data-path-to-node=\"27\">Este porcentaje indica la reducci\u00f3n global de la densidad aparente y refleja el desarrollo de una estructura celular m\u00e1s ligera durante el proceso de expansi\u00f3n.<\/p><h2 data-path-to-node=\"29\">Factores clave que influyen en la expansi\u00f3n de la gama de productos<\/h2><p data-path-to-node=\"30\">Aunque esta calculadora ofrece estimaciones geom\u00e9tricas y de densidad al instante, la expansi\u00f3n por extrusi\u00f3n en la pr\u00e1ctica es un proceso termomec\u00e1nico din\u00e1mico que depende de varias variables que interact\u00faan entre s\u00ed:<\/p><ul data-path-to-node=\"31\"><li><p data-path-to-node=\"31,0,0\"><b data-path-to-node=\"31,0,0\" data-index-in-node=\"0\">Tipo de almid\u00f3n y gelatinizacion:<\/b> Un mayor contenido de amilopectina suele favorecer un mayor potencial de expansi\u00f3n y una mayor elasticidad de la pared celular en comparaci\u00f3n con las formulaciones con alto contenido en amilosa.<\/p><\/li><li><p data-path-to-node=\"31,1,0\"><b data-path-to-node=\"31,1,0\" data-index-in-node=\"0\">Temperatura de fusi\u00f3n y presi\u00f3n de la matriz:<\/b> El aumento de la temperatura del cilindro incrementa la presi\u00f3n de vapor detr\u00e1s de la matriz, lo que provoca la evaporaci\u00f3n instant\u00e1nea del vapor. Sin embargo, una temperatura excesiva tambi\u00e9n puede debilitar la estructura de la pared celular y provocar un colapso t\u00e9rmico.<\/p><\/li><li><p data-path-to-node=\"31,2,0\"><b data-path-to-node=\"31,2,0\" data-index-in-node=\"0\">Contenido de humedad:<\/b> El agua act\u00faa tanto como plastificante como agente espumante principal. El contenido \u00f3ptimo de humedad depende en gran medida de la formulaci\u00f3n espec\u00edfica del producto y del proceso de extrusi\u00f3n. Unos niveles moderados de humedad mejoran la fluidez de la masa fundida, mientras que un exceso de humedad puede reducir la viscosidad de la masa fundida y limitar la expansi\u00f3n.<\/p><\/li><li><p data-path-to-node=\"31,3,0\"><b data-path-to-node=\"31,3,0\" data-index-in-node=\"0\">EneaMamfc eacc ep\u00edgs\u00edr( ieicSn\u00e1E):<\/b> Unas velocidades de cizallamiento del tornillo m\u00e1s elevadas modifican la despolimerizaci\u00f3n del almid\u00f3n y la viscosidad del fundido, lo que influye directamente en la distribuci\u00f3n del tama\u00f1o de las c\u00e9lulas y en la textura crujiente del producto.<\/p><\/li><\/ul><h2 data-path-to-node=\"33\">Aplicaciones industriales<\/h2><p data-path-to-node=\"34\">Esta calculadora de expansi\u00f3n est\u00e1 dise\u00f1ada para optimizar los procesos en diversas l\u00edneas de fabricaci\u00f3n de extrusi\u00f3n comercial:<\/p><ul data-path-to-node=\"35\"><li><p data-path-to-node=\"35,0,0\"><b data-path-to-node=\"35,0,0\" data-index-in-node=\"0\">Alimentos para mascotas y piensos para peces:<\/b> Calibraci\u00f3n de la densidad aparente de los piensos granulados para garantizar la precisi\u00f3n en los pesos de llenado de los envases y gesti\u00f3n de las caracter\u00edsticas de hundimiento frente a flotabilidad en los piensos acu\u00e1ticos.<\/p><\/li><li><p data-path-to-node=\"35,1,0\"><b data-path-to-node=\"35,1,0\" data-index-in-node=\"0\">Aperitivos de expansi\u00f3n directa:<\/b> Optimizaci\u00f3n del crujido, la resistencia estructural y la capacidad de absorci\u00f3n de aceite de los rizos de ma\u00edz, los aperitivos en forma de bolitas y los crujientes de arroz.<\/p><\/li><li><p data-path-to-node=\"35,2,0\"><b data-path-to-node=\"35,2,0\" data-index-in-node=\"0\">Prote\u00edna vegetal texturizada (TVP):<\/b> Seguimiento del comportamiento de expansi\u00f3n longitudinal frente al radial para conseguir texturas aut\u00e9nticas, fibrosas y similares a las de la carne a partir de aislado de soja o prote\u00edna de guisante.<\/p><\/li><\/ul><h2 data-path-to-node=\"37\">Preguntas m\u00e1s frecuentes (FAQ)<\/h2><h3 data-path-to-node=\"38\">\u00bfCu\u00e1l es una buena relaci\u00f3n de expansi\u00f3n por extrusi\u00f3n?<\/h3><p data-path-to-node=\"39\">Los \u00edndices de expansi\u00f3n deseados var\u00edan considerablemente seg\u00fan la aplicaci\u00f3n. Los aperitivos inflados por expansi\u00f3n directa suelen buscar \u00edndices de expansi\u00f3n de gran di\u00e1metro (de 3x a 6x+), mientras que los piensos para mascotas y los piensos acu\u00e1ticos dan prioridad a una densidad controlada y a la durabilidad estructural, con \u00edndices de expansi\u00f3n m\u00e1s bajos.<\/p><h3 data-path-to-node=\"40\">\u00bfC\u00f3mo afecta la humedad a la expansi\u00f3n por extrusi\u00f3n?<\/h3><p data-path-to-node=\"41\">La humedad act\u00faa tanto como plastificante como fuente principal de vapor para el proceso de expansi\u00f3n. El nivel \u00f3ptimo de humedad depende de la formulaci\u00f3n, la configuraci\u00f3n del tornillo y la densidad deseada. Una humedad insuficiente limita la generaci\u00f3n de vapor, mientras que un exceso de humedad reduce la viscosidad de la masa fundida, lo que provoca el colapso de las celdas.<\/p><h3 data-path-to-node=\"42\">\u00bfPuede esta calculadora determinar la capacidad de producci\u00f3n exacta de una extrusora?<\/h3><p data-path-to-node=\"43\">No. Esta herramienta calcula los par\u00e1metros de expansi\u00f3n f\u00edsica bas\u00e1ndose en las dimensiones y las densidades. El rendimiento de la producci\u00f3n depende de las tasas de dosificaci\u00f3n del alimentador, la velocidad del motor, la geometr\u00eda del husillo y el dise\u00f1o general de la l\u00ednea.<\/p><h2 data-path-to-node=\"45\">\u00bfNecesitas asesoramiento t\u00e9cnico o ingenier\u00eda de l\u00edneas a medida?<\/h2><p data-path-to-node=\"46\">Para probar variaciones de recetas o pasar de l\u00edneas piloto de laboratorio a sistemas de extrusi\u00f3n comerciales de alta capacidad, se requiere un dise\u00f1o especializado de las matrices y configuraciones espec\u00edficas del perfil del tornillo.<\/p><p data-path-to-node=\"47\">Si sebei s lricttaerinmde noueoi i apezzotepeudntee aaulcnodualitapnpemtucrein oasc ,lnue qoroi\u00e9 l apsapnpssczse fetfoee lcon isodsao gh e ido n csaniaa ceiteexrn n ogos rds uc poldita sii dro sentetacdlrlrtsensocoouo cila oct,trpdunaone b d en <b data-path-to-node=\"47\" data-index-in-node=\"161\">Maquinaria de extrusi\u00f3n Zhuoheng<\/b>.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>","protected":false},"excerpt":{"rendered":"<p>Extrusion Expansion Ratio Calculator Extrusion Expansion Ratio Calculator Calculate diameter & volumetric expansion ratios and density reduction for puffed food, 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