{"id":17375,"date":"2026-09-20T07:01:59","date_gmt":"2026-09-20T07:01:59","guid":{"rendered":"https:\/\/www.dgcrane.com\/?p=17375"},"modified":"2026-09-20T07:02:02","modified_gmt":"2026-09-20T07:02:02","slug":"crane-travelling-static-resistance-calculator","status":"publish","type":"post","link":"https:\/\/www.dgcrane.com\/nl\/crane-travelling-static-resistance-calculator\/","title":{"rendered":"Calculator voor statische weerstand tijdens het rijden met een kraan"},"content":{"rendered":"<div id=\"calculator\">\n  <div class=\"calculator-shell\">\n    <form id=\"calculator-form\" novalidate action=\"\">\n      <span class=\"calculator-sr-only\">Berekeningsgrondslag: EN 13135:2026. Toepassingsgebied: stalen wielen met rollagers op stalen rails. ISO 8686-1:2012 wordt niet gebruikt voor deze vergelijking. Verificatiedatum: 17-09-2026.<\/span>\n\n      <section class=\"calculator-section\">\n        <div class=\"calculator-grid\">\n          <div class=\"calculator-field\">\n            <label for=\"calculator-loadMass\">Nominaal vermogen, G<sub>N<\/sub> (kg)<\/label>\n            <input id=\"calculator-loadMass\" name=\"loadMass\" type=\"number\" inputmode=\"decimal\" min=\"0\" max=\"1000000000\" step=\"any\" value=\"10000\" aria-describedby=\"calculator-loadMass-error\">\n            <span id=\"calculator-loadMass-error\" class=\"error-msg\" aria-live=\"polite\"><\/span>\n          <\/div>\n\n          <div class=\"calculator-field\">\n            <label for=\"calculator-gravity\">Zwaartekracht, g (N\/kg)<\/label>\n            <input id=\"calculator-gravity\" name=\"gravity\" type=\"number\" inputmode=\"decimal\" min=\"1\" max=\"20\" step=\"any\" value=\"10\" aria-describedby=\"calculator-gravity-error\">\n            <span id=\"calculator-gravity-error\" class=\"error-msg\" aria-live=\"polite\"><\/span>\n          <\/div>\n\n          <div class=\"calculator-field\">\n            <label for=\"calculator-gradient\">Helling omhoog, i (\u2030)<\/label>\n            <input id=\"calculator-gradient\" name=\"gradient\" type=\"number\" inputmode=\"decimal\" min=\"0\" max=\"100\" step=\"any\" value=\"1\" aria-describedby=\"calculator-gradient-error\">\n            <span id=\"calculator-gradient-error\" class=\"error-msg\" aria-live=\"polite\"><\/span>\n          <\/div>\n\n          <div class=\"calculator-field\">\n            <label for=\"calculator-wheelType\">Wielconstructie<\/label>\n            <select id=\"calculator-wheelType\" name=\"wheelType\">\n              <option value=\"flanged\" selected>Flenswielen<\/option>\n              <option value=\"flangeless\">Wielen zonder flens<\/option>\n            <\/select>\n            <span id=\"calculator-wheelType-error\" class=\"error-msg\" aria-live=\"polite\"><\/span>\n          <\/div>\n\n          <div class=\"calculator-field\">\n            <label for=\"calculator-craneMass\">eigen massa van de kraan, G (kg)<\/label>\n            <input id=\"calculator-craneMass\" name=\"craneMass\" type=\"number\" inputmode=\"decimal\" min=\"0.000001\" max=\"1000000000\" step=\"any\" value=\"20000\" aria-describedby=\"calculator-craneMass-error\">\n            <span id=\"calculator-craneMass-error\" class=\"error-msg\" aria-live=\"polite\"><\/span>\n          <\/div>\n\n          <div class=\"calculator-field\">\n            <label for=\"calculator-trolleyMass\">eigen massa van de trolley, G<sub>1<\/sub> (kg)<\/label>\n            <input id=\"calculator-trolleyMass\" name=\"trolleyMass\" type=\"number\" inputmode=\"decimal\" min=\"0.000001\" max=\"1000000000\" step=\"any\" value=\"2000\" aria-describedby=\"calculator-trolleyMass-error\">\n            <span id=\"calculator-trolleyMass-error\" class=\"error-msg\" aria-live=\"polite\"><\/span>\n          <\/div>\n\n          <div class=\"calculator-field\">\n            <label for=\"calculator-craneDiameter\">Kraanwiel D<sub>w<\/sub> (mm)<\/label>\n            <select id=\"calculator-craneDiameter\" name=\"craneDiameter\">\n              <option value=\"50\">50<\/option>\n              <option value=\"80\">80<\/option>\n              <option value=\"100\">100<\/option>\n              <option value=\"125\">125<\/option>\n              <option value=\"160\">160<\/option>\n              <option value=\"250\">250<\/option>\n              <option value=\"320\">320<\/option>\n              <option value=\"400\" selected>400<\/option>\n              <option value=\"630\">630 en groter<\/option>\n            <\/select>\n            <span id=\"calculator-craneDiameter-error\" class=\"error-msg\" aria-live=\"polite\"><\/span>\n          <\/div>\n\n          <div class=\"calculator-field\">\n            <label for=\"calculator-craneFactor\">Kraanfactor, F<sub>R<\/sub><\/label>\n            <select id=\"calculator-craneFactor\" name=\"craneFactor\" aria-describedby=\"calculator-craneFactor-error\"><\/select>\n            <span id=\"calculator-craneFactor-error\" class=\"error-msg\" aria-live=\"polite\"><\/span>\n          <\/div>\n\n          <div class=\"calculator-field\">\n            <label for=\"calculator-trolleyDiameter\">Trolleywiel D<sub>w<\/sub> (mm)<\/label>\n            <select id=\"calculator-trolleyDiameter\" name=\"trolleyDiameter\">\n              <option value=\"50\">50<\/option>\n              <option value=\"80\">80<\/option>\n              <option value=\"100\">100<\/option>\n              <option value=\"125\">125<\/option>\n              <option value=\"160\" selected>160<\/option>\n              <option value=\"250\">250<\/option>\n              <option value=\"320\">320<\/option>\n              <option value=\"400\">400<\/option>\n              <option value=\"630\">630 en groter<\/option>\n            <\/select>\n            <span id=\"calculator-trolleyDiameter-error\" class=\"error-msg\" aria-live=\"polite\"><\/span>\n          <\/div>\n\n          <div class=\"calculator-field\">\n            <label for=\"calculator-trolleyFactor\">Trolleyfactor, F<sub>R<\/sub><\/label>\n            <select id=\"calculator-trolleyFactor\" name=\"trolleyFactor\" aria-describedby=\"calculator-trolleyFactor-error\"><\/select>\n            <span id=\"calculator-trolleyFactor-error\" class=\"error-msg\" aria-live=\"polite\"><\/span>\n          <\/div>\n        <\/div>\n      <\/section>\n\n      <div id=\"calculator-error-summary\" class=\"calculator-error-summary\" role=\"alert\" tabindex=\"-1\"><\/div>\n\n      <div class=\"calculator-actions\">\n        <button type=\"submit\">Berekenen<\/button>\n        <button type=\"reset\" class=\"calculator-reset\">Reset<\/button>\n      <\/div>\n    <input type=\"hidden\" name=\"trp-form-language\" value=\"nl\"\/><\/form>\n\n    <section class=\"calculator-results\" aria-live=\"polite\" aria-atomic=\"true\">\n      <div class=\"calculator-result-card calculator-result-main\">\n        <span>Statische weerstand van de kraanbeweging, F<sub>st,max<\/sub><\/span>\n        <strong id=\"calculator-craneTotal\">\u2014<\/strong>\n      <\/div>\n\n      <div class=\"calculator-result-card\">\n        <span>Statische weerstand van de trolley tijdens het rijden, F<sub>st,max<\/sub><\/span>\n        <strong id=\"calculator-trolleyTotal\">\u2014<\/strong>\n      <\/div>\n    <\/section>\n  <\/div>\n\n  <style>\n    #calculator {\n      --primary-color: #0a3487;\n      --primary-hover: #F58423;\n      --error-color: #e53935;\n      --bg-color: #EAEEF7;\n      --text-color: #4a4a4a;\n      --surface-color: #ffffff;\n      --border-color: #cccccc;\n      --soft-primary: #edf2ff;\n      --soft-error: #fff3f2;\n      --focus-shadow: rgba(10, 52, 135, 0.18);\n\n      max-width: 545px;\n      margin: 0 auto;\n      padding: 30px;\n      color: var(--text-color);\n      background: var(--bg-color);\n      font-family: Arial, Helvetica, sans-serif;\n      line-height: 1.5;\n      box-sizing: border-box;\n    }\n\n    #calculator *,\n    #calculator *::before,\n    #calculator *::after {\n      box-sizing: border-box;\n    }\n\n    #calculator .calculator-shell {\n      padding: 24px;\n      border-top: 5px solid var(--primary-color);\n      background: var(--surface-color);\n    }\n\n    #calculator .calculator-sr-only {\n      position: absolute;\n      width: 1px;\n      height: 1px;\n      padding: 0;\n      margin: -1px;\n      overflow: hidden;\n      clip: rect(0, 0, 0, 0);\n      white-space: nowrap;\n      border: 0;\n    }\n\n    #calculator .calculator-section {\n      margin: 0 0 16px;\n      padding: 16px;\n      background: var(--bg-color);\n    }\n\n    #calculator .calculator-grid {\n      display: grid;\n      grid-template-columns: repeat(2, minmax(0, 1fr));\n      gap: 12px 14px;\n      align-items: start;\n    }\n\n    #calculator .calculator-field {\n      min-width: 0;\n    }\n\n    #calculator label,\n    #calculator button,\n    #calculator select {\n      font-size: 14px;\n    }\n\n    #calculator label {\n      display: flex;\n      min-height: 38px;\n      margin-bottom: 5px;\n      align-items: flex-end;\n      font-weight: 700;\n    }\n\n    #calculator input,\n    #calculator select,\n    #calculator button {\n      width: 100%;\n      border-radius: 0;\n      transition: 0.2s ease;\n    }\n\n    #calculator input,\n    #calculator select {\n      height: 36px;\n      padding: 5px 9px;\n      border: 1px solid var(--border-color);\n      color: var(--text-color);\n      background: var(--surface-color);\n      font-size: 16px;\n    }\n\n    #calculator input:focus,\n    #calculator select:focus {\n      border: 2px solid var(--primary-color);\n      outline: 0;\n      box-shadow: 0 0 0 3px var(--focus-shadow);\n    }\n\n    #calculator input.error,\n    #calculator select.error,\n    #calculator input.error:focus,\n    #calculator select.error:focus {\n      border: 2px solid var(--error-color);\n      box-shadow: none;\n    }\n\n    #calculator .error-msg {\n      display: none;\n      margin-top: 5px;\n      color: var(--error-color);\n      font-size: 12px;\n      font-weight: 700;\n    }\n\n    #calculator .error-msg.visible {\n      display: block;\n    }\n\n    #calculator .calculator-error-summary {\n      display: none;\n      margin-bottom: 14px;\n      padding: 10px;\n      border-left: 4px solid var(--error-color);\n      color: var(--error-color);\n      background: var(--soft-error);\n      font-weight: 700;\n    }\n\n    #calculator .calculator-error-summary.visible {\n      display: block;\n    }\n\n    #calculator .calculator-actions {\n      display: flex;\n      gap: 12px;\n      margin-top: 4px;\n    }\n\n    #calculator button {\n      height: 34px;\n      padding: 0 16px;\n      border: 0;\n      color: var(--surface-color);\n      background: var(--primary-color);\n      font-weight: 700;\n      line-height: 34px;\n      cursor: pointer;\n    }\n\n    #calculator button:hover,\n    #calculator button:focus-visible {\n      background: var(--primary-hover);\n      outline: 2px solid var(--primary-color);\n      outline-offset: 2px;\n    }\n\n    #calculator button.calculator-reset {\n      color: var(--primary-color);\n      background: var(--surface-color);\n      border: 1px solid var(--primary-color);\n    }\n\n    #calculator button.calculator-reset:hover,\n    #calculator button.calculator-reset:focus-visible {\n      color: var(--surface-color);\n      background: var(--primary-hover);\n    }\n\n    #calculator .calculator-results {\n      display: grid;\n      grid-template-columns: 1fr 1fr;\n      gap: 12px;\n      margin-top: 18px;\n    }\n\n    #calculator .calculator-result-card {\n      margin: 0;\n      padding: 14px;\n      border-left: 4px solid var(--primary-color);\n      background: var(--soft-primary);\n    }\n\n    #calculator .calculator-result-card > span {\n      display: block;\n      font-size: 13px;\n      font-weight: 700;\n    }\n\n    #calculator .calculator-result-card strong {\n      display: block;\n      margin: 4px 0 10px;\n      color: var(--primary-color);\n      font-size: 32px;\n      line-height: 1.15;\n      overflow-wrap: anywhere;\n    }\n\n    @media (max-width: 768px) {\n      #calculator {\n        padding: 0.3rem;\n      }\n\n      #calculator .calculator-shell {\n        padding: 0.3rem;\n      }\n\n      #calculator label,\n      #calculator input,\n      #calculator select,\n      #calculator button {\n        font-size: 0.28rem;\n      }\n\n      #calculator input,\n      #calculator select,\n      #calculator button {\n        min-height: 0.7rem;\n        height: 0.7rem;\n      }\n\n      #calculator button {\n        line-height: 0.7rem;\n      }\n\n      #calculator .calculator-actions {\n        flex-direction: column;\n      }\n\n      #calculator .calculator-actions button {\n        width: 100%;\n      }\n\n      #calculator .calculator-grid {\n        grid-template-columns: repeat(2, minmax(0, 1fr));\n        gap: 0.24rem;\n      }\n\n      #calculator label {\n        min-height: 0.7rem;\n      }\n\n      #calculator .calculator-results {\n        grid-template-columns: 1fr;\n      }\n    }\n\n    @media (prefers-reduced-motion: reduce) {\n      #calculator *,\n      #calculator *::before,\n      #calculator *::after {\n        transition: none;\n      }\n    }\n  <\/style>\n\n  <script>\n    (() => {\n      \"use strict\";\n\n      const root = document.getElementById(\"calculator\");\n      if (!root) return;\n\n      const form = root.querySelector(\"#calculator-form\");\n      const summary = root.querySelector(\"#calculator-error-summary\");\n\n      const diameterPoints = [\n        50, 80, 100, 125, 160, 250, 320, 400, 630\n      ];\n\n      const factorSets = {\n        flanged: [\n          0.013, 0.011, 0.010, 0.009, 0.008,\n          0.0065, 0.006, 0.0055, 0.005\n        ],\n        flangeless: [\n          0.011, 0.0095, 0.0085, 0.0075, 0.007,\n          0.0055, 0.0052, 0.005, 0.0045\n        ]\n      };\n\n      const fields = {\n        loadMass: root.querySelector(\"#calculator-loadMass\"),\n        gravity: root.querySelector(\"#calculator-gravity\"),\n        gradient: root.querySelector(\"#calculator-gradient\"),\n        wheelType: root.querySelector(\"#calculator-wheelType\"),\n        craneMass: root.querySelector(\"#calculator-craneMass\"),\n        craneDiameter: root.querySelector(\"#calculator-craneDiameter\"),\n        craneFactor: root.querySelector(\"#calculator-craneFactor\"),\n        trolleyMass: root.querySelector(\"#calculator-trolleyMass\"),\n        trolleyDiameter: root.querySelector(\"#calculator-trolleyDiameter\"),\n        trolleyFactor: root.querySelector(\"#calculator-trolleyFactor\")\n      };\n\n      const outputs = {\n        craneTotal: root.querySelector(\"#calculator-craneTotal\"),\n        trolleyTotal: root.querySelector(\"#calculator-trolleyTotal\")\n      };\n\n      function setError(fieldName, message) {\n        const input = fields[fieldName];\n        const error = root.querySelector(\n          `#calculator-${fieldName}-error`\n        );\n\n        input.classList.add(\"error\");\n        input.setAttribute(\"aria-invalid\", \"true\");\n\n        if (error) {\n          error.textContent = message;\n          error.classList.add(\"visible\");\n        }\n      }\n\n      function clearError(fieldName) {\n        const input = fields[fieldName];\n        const error = root.querySelector(\n          `#calculator-${fieldName}-error`\n        );\n\n        input.classList.remove(\"error\");\n        input.removeAttribute(\"aria-invalid\");\n\n        if (error) {\n          error.textContent = \"\";\n          error.classList.remove(\"visible\");\n        }\n      }\n\n      function validateInput(\n        fieldName,\n        label,\n        minimum,\n        maximum,\n        allowZero\n      ) {\n        const input = fields[fieldName];\n        const value = Number.parseFloat(input.value);\n\n        clearError(fieldName);\n\n        if (\n          input.value.trim() === \"\" ||\n          !Number.isFinite(value)\n        ) {\n          setError(\n            fieldName,\n            `${label} is required and must be a finite number.`\n          );\n          return null;\n        }\n\n        if (\n          (!allowZero && value <= minimum) ||\n          (allowZero &#038;&#038; value < minimum) ||\n          value > maximum\n        ) {\n          const relation = allowZero\n            ? `from ${minimum}`\n            : `greater than ${minimum}`;\n\n          setError(\n            fieldName,\n            `${label} must be ${relation} and no more than ${maximum}.`\n          );\n          return null;\n        }\n\n        return value;\n      }\n\n      function rollingFactor(wheelType, diameter) {\n        const factors = factorSets[wheelType];\n\n        if (!factors) {\n          throw new Error(\"Unsupported wheel construction.\");\n        }\n\n        const index = diameterPoints.indexOf(Number(diameter));\n\n        if (index === -1) {\n          throw new Error(\n            \"Unsupported wheel diameter selection.\"\n          );\n        }\n\n        return factors[index];\n      }\n\n      function calculateTravelResistance(\n        loadMass,\n        selfMass,\n        gravity,\n        gradientPerMille,\n        factor\n      ) {\n        const normalForce =\n          (loadMass + selfMass) * gravity;\n\n        const rolling =\n          normalForce * factor;\n\n        const grade =\n          normalForce * gradientPerMille \/ 1000;\n\n        return {\n          total: rolling + grade\n        };\n      }\n\n      function clearResults() {\n        outputs.craneTotal.textContent = \"\u2014\";\n        outputs.trolleyTotal.textContent = \"\u2014\";\n      }\n\n      function formatForce(value) {\n        return `${value.toLocaleString(\"en-US\", {\n          minimumFractionDigits: 2,\n          maximumFractionDigits: 2\n        })} N`;\n      }\n\n      function formatFactor(value) {\n        return value\n          .toFixed(6)\n          .replace(\/0+$\/, \"\")\n          .replace(\/\\.$\/, \"\");\n      }\n\n      function populateFactorOptions(prefix) {\n        const wheelType = fields.wheelType.value;\n        const diameter =\n          Number(fields[`${prefix}Diameter`].value);\n\n        const factorSelect =\n          fields[`${prefix}Factor`];\n\n        const factors = factorSets[wheelType];\n\n        const options = factors.map((factor) => {\n          const option =\n            document.createElement(\"option\");\n\n          option.value = String(factor);\n          option.textContent =\n            formatFactor(factor);\n\n          return option;\n        });\n\n        factorSelect.replaceChildren(...options);\n\n        factorSelect.value = String(\n          rollingFactor(wheelType, diameter)\n        );\n      }\n\n      function syncWheelSelectors(\n        prefix,\n        changedField\n      ) {\n        const wheelType =\n          fields.wheelType.value;\n\n        const diameterSelect =\n          fields[`${prefix}Diameter`];\n\n        const factorSelect =\n          fields[`${prefix}Factor`];\n\n        if (changedField === \"type\") {\n          populateFactorOptions(prefix);\n          return;\n        }\n\n        if (changedField === \"factor\") {\n          const factor =\n            Number(factorSelect.value);\n\n          const index =\n            factorSets[wheelType].findIndex(\n              (candidate) => candidate === factor\n            );\n\n          if (index !== -1) {\n            diameterSelect.value =\n              String(diameterPoints[index]);\n          }\n\n          return;\n        }\n\n        factorSelect.value = String(\n          rollingFactor(\n            wheelType,\n            Number(diameterSelect.value)\n          )\n        );\n      }\n\n      function readAndValidate() {\n        const values = {\n          loadMass: validateInput(\n            \"loadMass\",\n            \"Rated load\",\n            0,\n            1000000000,\n            true\n          ),\n\n          gravity: validateInput(\n            \"gravity\",\n            \"Gravity\",\n            1,\n            20,\n            false\n          ),\n\n          gradient: validateInput(\n            \"gradient\",\n            \"Uphill gradient\",\n            0,\n            100,\n            true\n          ),\n\n          craneMass: validateInput(\n            \"craneMass\",\n            \"Crane self mass\",\n            0,\n            1000000000,\n            false\n          ),\n\n          craneDiameter:\n            Number(fields.craneDiameter.value),\n\n          craneFactor:\n            Number(fields.craneFactor.value),\n\n          trolleyMass: validateInput(\n            \"trolleyMass\",\n            \"Trolley self mass\",\n            0,\n            1000000000,\n            false\n          ),\n\n          trolleyDiameter:\n            Number(fields.trolleyDiameter.value),\n\n          trolleyFactor:\n            Number(fields.trolleyFactor.value),\n\n          wheelType:\n            fields.wheelType.value\n        };\n\n        const linkedSelectionsValid =\n          values.craneFactor === rollingFactor(\n            values.wheelType,\n            values.craneDiameter\n          ) &&\n          values.trolleyFactor === rollingFactor(\n            values.wheelType,\n            values.trolleyDiameter\n          );\n\n        const invalid =\n          Object.entries(values).filter(\n            ([name, value]) =>\n              name !== \"wheelType\" &&\n              (\n                value === null ||\n                !Number.isFinite(value)\n              )\n          );\n\n        if (!linkedSelectionsValid) {\n          setError(\n            \"craneFactor\",\n            \"Wheel construction, diameter and factor must match.\"\n          );\n\n          setError(\n            \"trolleyFactor\",\n            \"Wheel construction, diameter and factor must match.\"\n          );\n\n          return null;\n        }\n\n        return invalid.length ? null : values;\n      }\n\n      function showResults(crane, trolley) {\n        outputs.craneTotal.textContent =\n          formatForce(crane.total);\n\n        outputs.trolleyTotal.textContent =\n          formatForce(trolley.total);\n      }\n\n      populateFactorOptions(\"crane\");\n      populateFactorOptions(\"trolley\");\n\n      fields.wheelType.addEventListener(\n        \"change\",\n        () => {\n          syncWheelSelectors(\"crane\", \"type\");\n          syncWheelSelectors(\"trolley\", \"type\");\n        }\n      );\n\n      fields.craneDiameter.addEventListener(\n        \"change\",\n        () => syncWheelSelectors(\n          \"crane\",\n          \"diameter\"\n        )\n      );\n\n      fields.craneFactor.addEventListener(\n        \"change\",\n        () => syncWheelSelectors(\n          \"crane\",\n          \"factor\"\n        )\n      );\n\n      fields.trolleyDiameter.addEventListener(\n        \"change\",\n        () => syncWheelSelectors(\n          \"trolley\",\n          \"diameter\"\n        )\n      );\n\n      fields.trolleyFactor.addEventListener(\n        \"change\",\n        () => syncWheelSelectors(\n          \"trolley\",\n          \"factor\"\n        )\n      );\n\n      Object.keys(fields).forEach(\n        (fieldName) => {\n          fields[fieldName].addEventListener(\n            \"input\",\n            () => clearError(fieldName)\n          );\n\n          fields[fieldName].addEventListener(\n            \"change\",\n            () => clearError(fieldName)\n          );\n        }\n      );\n\n      form.addEventListener(\n        \"submit\",\n        (event) => {\n          event.preventDefault();\n\n          summary.textContent = \"\";\n          summary.classList.remove(\"visible\");\n\n          const values = readAndValidate();\n\n          if (!values) {\n            clearResults();\n\n            summary.textContent =\n              \"Please correct the highlighted fields.\";\n\n            summary.classList.add(\"visible\");\n            summary.focus();\n            return;\n          }\n\n          const crane =\n            calculateTravelResistance(\n              values.loadMass,\n              values.craneMass,\n              values.gravity,\n              values.gradient,\n              values.craneFactor\n            );\n\n          const trolley =\n            calculateTravelResistance(\n              values.loadMass,\n              values.trolleyMass,\n              values.gravity,\n              values.gradient,\n              values.trolleyFactor\n            );\n\n          showResults(crane, trolley);\n        }\n      );\n\n      form.addEventListener(\n        \"reset\",\n        () => {\n          window.setTimeout(() => {\n            Object.keys(fields).forEach(\n              clearError\n            );\n\n            summary.textContent = \"\";\n            summary.classList.remove(\"visible\");\n\n            populateFactorOptions(\"crane\");\n            populateFactorOptions(\"trolley\");\n            clearResults();\n          }, 0);\n        }\n      );\n    })();\n  <\/script>\n<\/div>\n\n\n\n<h2 class=\"wp-block-heading\">Formule voor het berekenen van de statische weerstand van een kraan tijdens het rijden<\/h2>\n\n\n\n<div id=\"travel-resistance-formulas\">\n  <div class=\"formula\">\n    F<sub>F<\/sub>\n    = (G<sub>N<\/sub> + G) \u00d7 g \u00d7 f<sub>R<\/sub>\n  <\/div>\n\n  <div class=\"formula\">\n    F<sub>S<\/sub>\n    = (G<sub>N<\/sub> + G) \u00d7 g \u00d7 i\n    <span class=\"formula-condition\">\n    <\/span>\n  <\/div>\n\n  <div class=\"formula formula-total\">\n    F<sub>st,max<\/sub>\n    = F<sub>F<\/sub>\n    + F<sub>S<\/sub>\n  <\/div>\n\n  <style>\n    #travel-resistance-formulas {\n      --text-color: #4a4a4a;\n\n      width: 100%;\n      margin: 0;\n      padding: 0;\n      color: var(--text-color);\n      box-sizing: border-box;\n    }\n\n    #travel-resistance-formulas *,\n    #travel-resistance-formulas *::before,\n    #travel-resistance-formulas *::after {\n      box-sizing: border-box;\n    }\n\n    #travel-resistance-formulas .formula {\n      padding: 7px 0;\n      color: var(--text-color);\n      font-family: \"Segoe UI\", Arial, Helvetica, sans-serif;\n      font-size: 20px;\n      font-style: normal;\n      font-weight: 400;\n      line-height: 1.55;\n      text-align: left;\n      white-space: nowrap;\n    }\n\n    #travel-resistance-formulas .formula sub {\n      font-size: 65%;\n      font-style: normal;\n      vertical-align: -0.3em;\n    }\n\n    #travel-resistance-formulas .formula-condition {\n      margin-left: 8px;\n      font-size: 16px;\n      font-style: normal;\n      font-weight: 400;\n    }\n\n    #travel-resistance-formulas .formula-total {\n      color: var(--text-color);\n      font-size: 20px;\n      font-style: normal;\n      font-weight: 600;\n    }\n\n    @media (max-width: 520px) {\n      #travel-resistance-formulas {\n        overflow-x: auto;\n      }\n\n      #travel-resistance-formulas .formula {\n        font-size: 18px;\n      }\n\n      #travel-resistance-formulas .formula-condition {\n        font-size: 14px;\n      }\n\n      #travel-resistance-formulas .formula-total {\n        font-size: 18px;\n      }\n    }\n  <\/style>\n<\/div>\n\n\n\n<ul class=\"wp-block-list\">\n<li>G<sub>N<\/sub>: Nominale kraanlast, eenheid: kg<\/li>\n\n\n\n<li>G: Eigen gewicht van de kraan, eenheid: kg<\/li>\n\n\n\n<li>G<sub>1<\/sub>: Eigen gewicht van de trolley, eenheid: kg<\/li>\n\n\n\n<li>g: Zwaartekracht (de waarde wordt genomen als 10 N\/kg)<\/li>\n\n\n\n<li>F<sub>R<\/sub>: Rolwrijvingsfactor<\/li>\n\n\n\n<li>i: Aangenomen helling<\/li>\n\n\n\n<li>F<sub>F<\/sub>Wrijvingsweerstand, eenheid: N<\/li>\n\n\n\n<li>Fs: Gradi\u00ebntweerstand, eenheid: N<\/li>\n\n\n\n<li>F<sub>st, max<\/sub>: Statische weerstand van de kraan tijdens het rijden, eenheid: N<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">Notities<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Deze f<sub>R<\/sub> De co\u00ebffici\u00ebnt vertegenwoordigt in feite de rolweerstand van het wiel plus de wrijvingsweerstand van het wiellager, samen met de extra effecten die samenhangen met de wielflens.<\/li>\n\n\n\n<li>Doorgaans zijn de wieldiameters van het rijmechanisme van de kraan groter dan die van het rijmechanisme van de trolley. Deze calculator maakt daarom aparte berekeningen mogelijk op basis van de respectievelijke parameters.<\/li>\n\n\n\n<li>Voor bewegingsmechanismen en elektromotoren zijn de vermogensvereisten relatief gevoelig. Zelfs een hellingshoek van slechts 1\u2030 genereert daadwerkelijke weerstand. Daarom wordt, bij gebrek aan meetgegevens van de installatie, een aangenomen hellingshoek gehanteerd om te voorkomen dat een motor ondergedimensioneerd wordt.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">Toepasselijke kranen<\/h2>\n\n\n\n<p>De onderstaande producten zijn met name geschikt voor gebruik in afgesloten fabriekshallen.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Enkelbalk bovenloopkraan<\/li>\n\n\n\n<li>Dubbelbalk bovenloopkraan<\/li>\n\n\n\n<li>Enkelbalk portaalkraan (voor gebruik binnenshuis)<\/li>\n\n\n\n<li>Dubbelligger portaalkraan (voor gebruik binnenshuis)<\/li>\n\n\n\n<li>Trolley van bovenloopkraan<\/li>\n\n\n\n<li>Trolley van portaalkraan<\/li>\n<\/ul>","protected":false},"excerpt":{"rendered":"De calculator voor statische weerstand tijdens het rijden van een kraan schat de kracht die nodig is om wrijving en de helling van het spoor te overwinnen bij normaal gebruik. Aan de hand van de nominale belasting en het eigen gewicht van de kraan controleert de calculator of de motoren en aandrijvingen de kraan kunnen verplaatsen. De resultaten helpen bij de selectie van passende motoren, tandwielkasten en wielen. De calculator voor statische weerstand tijdens het rijden van een kraan helpt ook bij het inschatten van het risico op wielslip. Voor hellende sporen evalueert de berekening mogelijk wegglijden van de kraan na stilstand, waardoor lagerschade, het vastlopen van de rails en installatiegerelateerde problemen worden voorkomen.","protected":false},"author":8,"featured_media":17373,"parent":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"single-onlinetools.php","format":"standard","meta":{"_acf_changed":false,"rank_math_lock_modified_date":false,"pgc_sgb_lightbox_settings":"","footnotes":""},"categories":[1059],"tags":[],"class_list":["post-17375","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-online-tools"],"acf":[],"_links":{"self":[{"href":"https:\/\/www.dgcrane.com\/nl\/wp-json\/wp\/v2\/posts\/17375"}],"collection":[{"href":"https:\/\/www.dgcrane.com\/nl\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.dgcrane.com\/nl\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.dgcrane.com\/nl\/wp-json\/wp\/v2\/users\/8"}],"replies":[{"embeddable":true,"href":"https:\/\/www.dgcrane.com\/nl\/wp-json\/wp\/v2\/comments?post=17375"}],"version-history":[{"count":5,"href":"https:\/\/www.dgcrane.com\/nl\/wp-json\/wp\/v2\/posts\/17375\/revisions"}],"predecessor-version":[{"id":17380,"href":"https:\/\/www.dgcrane.com\/nl\/wp-json\/wp\/v2\/posts\/17375\/revisions\/17380"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.dgcrane.com\/nl\/wp-json\/wp\/v2\/media\/17373"}],"wp:attachment":[{"href":"https:\/\/www.dgcrane.com\/nl\/wp-json\/wp\/v2\/media?parent=17375"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.dgcrane.com\/nl\/wp-json\/wp\/v2\/categories?post=17375"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.dgcrane.com\/nl\/wp-json\/wp\/v2\/tags?post=17375"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}