{"id":17213,"date":"2026-07-07T02:18:44","date_gmt":"2026-07-07T02:18:44","guid":{"rendered":"https:\/\/www.dgcrane.com\/?p=17213"},"modified":"2026-07-07T02:18:48","modified_gmt":"2026-07-07T02:18:48","slug":"overhead-and-gantry-crane-deflection-calculator","status":"publish","type":"post","link":"https:\/\/www.dgcrane.com\/ko\/overhead-and-gantry-crane-deflection-calculator\/","title":{"rendered":"\uc624\ubc84\ud5e4\ub4dc \ubc0f \uac20\ud2b8\ub9ac \ud06c\ub808\uc778 \ucc98\uc9d0 \uacc4\uc0b0\uae30"},"content":{"rendered":"<!-- WordPress \u53ef\u76f4\u63a5\u7c98\u8d34\u5b8c\u6574\u4ee3\u7801\u5757 -->\n<div id=\"calculator\">\n    <style>\n        \/* \u4ec5\u4f5c\u7528\u4e8e #calculator \u5185\u90e8\uff0c\u65e0\u5168\u5c40\u6837\u5f0f\u6c61\u67d3 *\/\n        #calculator {\n            --primary-color: #0a3487;\n            --primary-hover: #F58423;\n            --error-color: #e53935;\n            --bg-color: #EAEEF7;\n            --text-color: #4a4a4a;\n            max-width: 545px;\n            padding: 30px;\n            background-color: var(--bg-color);\n            color: var(--text-color);\n            box-sizing: border-box;\n        }\n        #calculator .calc-title {\n            font-size: 18px;\n            margin: 0 0 24px 0;\n            font-weight: 600;\n        }\n        #calculator .field-wrap {\n            margin-bottom: 18px;\n        }\n        #calculator label {\n            display: block;\n            font-size: 14px;\n            margin-bottom: 6px;\n        }\n        #calculator input {\n            width: 100%;\n            box-sizing: border-box;\n            height: 36px;\n            font-size: 16px;\n            border: 1px solid #ccc;\n            border-radius: 0;\n            padding: 0 10px;\n            transition: 0.2s ease;\n        }\n        #calculator input:focus {\n            border: 2px solid var(--primary-color);\n            outline: none;\n        }\n        #calculator input.error {\n            border: 2px solid var(--error-color);\n        }\n        #calculator .error-msg {\n            display: none;\n            font-size: 12px;\n            color: var(--error-color);\n            margin-top: 4px;\n        }\n        #calculator .btn-group {\n            display: flex;\n            gap: 12px;\n            margin: 24px 0;\n        }\n        #calculator button {\n            flex: 1;\n            height: 34px;\n            line-height: 34px;\n            font-size: 14px;\n            border: none;\n            border-radius: 0;\n            cursor: pointer;\n            transition: 0.2s ease;\n        }\n        #calculator .calc-btn {\n            background-color: var(--primary-color);\n            color: #fff;\n        }\n        #calculator .calc-btn:hover {\n            background-color: var(--primary-hover);\n        }\n        #calculator .reset-btn {\n            background-color: #999;\n            color: #fff;\n        }\n        #calculator .result-wrap {\n            margin-top: 16px;\n        }\n        #calculator .result-label {\n            font-size: 14px;\n        }\n        #calculator .result-value {\n            font-size: 40px;\n            font-weight: bold;\n            margin-top: 4px;\n            word-break: break-all;\n        }\n        \/* \u79fb\u52a8\u7aef\u9002\u914d max-width:768px *\/\n        @media (max-width: 768px) {\n            #calculator input,\n            #calculator button {\n                height: 0.7rem;\n            }\n            #calculator label,\n            #calculator button,\n            #calculator .result-label {\n                font-size: 0.28rem;\n            }\n            #calculator .btn-group {\n                flex-direction: column;\n            }\n            #calculator button {\n                width: 100%;\n            }\n            #calculator .result-value {\n                font-size: 0.8rem;\n            }\n        }\n    <\/style>\n\n    <div class=\"field-wrap\">\n        <label for=\"calculator-P\">\uc9d1\uc911 \ubd80\ud558 P(N)<\/label>\n        <input type=\"number\" id=\"calculator-P\" placeholder=\"\uc785\ub825 \ubd80\ud558 \uac12\">\n        <span class=\"error-msg\"><\/span>\n    <\/div>\n    <div class=\"field-wrap\">\n        <label for=\"calculator-L\">\uc2a4\ud32c \uae38\uc774 L (m)<\/label>\n        <input type=\"number\" id=\"calculator-L\" placeholder=\"\uc785\ub825 \uc2a4\ud32c \uae38\uc774\">\n        <span class=\"error-msg\"><\/span>\n    <\/div>\n    <div class=\"field-wrap\">\n        <label for=\"calculator-I\">\uad00\uc131 \ubaa8\uba58\ud2b8 I (cm\u2074)<\/label>\n        <input type=\"number\" id=\"calculator-I\" placeholder=\"\uc785\ub825 \uad00\uc131 \uac12\">\n        <span class=\"error-msg\"><\/span>\n    <\/div>\n\n    <div class=\"btn-group\">\n        <button id=\"calculator-calcBtn\" class=\"calc-btn\">\ubbff\ub2e4<\/button>\n        <button id=\"calculator-resetBtn\" class=\"reset-btn\">\ub2e4\uc2dc \ub193\uae30<\/button>\n    <\/div>\n\n    <div class=\"result-wrap\">\n        <div class=\"result-label\">\ud3b8\ud5a5(m)<\/div>\n        <div id=\"calculator-result\" class=\"result-value\">&#8212;<\/div>\n    <\/div>\n\n    <script>\n        (function() {\n            const fieldIds = ['P', 'L', 'I'];\n            const inputEls = {};\n            const errorMsgEls = {};\n            const resultEl = document.getElementById('calculator-result');\n            const calcBtn = document.getElementById('calculator-calcBtn');\n            const resetBtn = document.getElementById('calculator-resetBtn');\n            \/\/ \u94a2\u6750\u6807\u51c6\u5f39\u6027\u6a21\u91cf\u56fa\u5b9a\u503c 2.06\u00d710\u00b9\u00b9 Pa\n            const STEEL_E = 2.06e11;\n\n            \/\/ \u521d\u59cb\u5316DOM\u6620\u5c04\n            function initDomRefs() {\n                fieldIds.forEach(key => {\n                    inputEls[key] = document.getElementById(`calculator-${key}`);\n                    errorMsgEls[key] = inputEls[key].nextElementSibling;\n                    \/\/ \u8f93\u5165\u65f6\u6e05\u9664\u9519\u8bef\n                    inputEls[key].addEventListener('input', () => clearError(inputEls[key], errorMsgEls[key]));\n                });\n            }\n\n            \/\/ \u8bbe\u7f6e\u9519\u8bef\u63d0\u793a\n            function setError(inputEl, msgEl, message) {\n                inputEl.classList.add('error');\n                msgEl.textContent = message;\n                msgEl.style.display = 'block';\n            }\n\n            \/\/ \u6e05\u9664\u9519\u8bef\u63d0\u793a\n            function clearError(inputEl, msgEl) {\n                inputEl.classList.remove('error');\n                msgEl.textContent = '';\n                msgEl.style.display = 'none';\n            }\n\n            \/\/ \u6821\u9a8c\u5355\u4e2a\u8f93\u5165\n            function validateInput(inputEl, msgEl, fieldName) {\n                const val = parseFloat(inputEl.value.trim());\n                if(inputEl.value.trim() === '') {\n                    setError(inputEl, msgEl, `${fieldName} field cannot be empty`);\n                    return false;\n                }\n                if(isNaN(val) || val <= 0) {\n                    setError(inputEl, msgEl, `${fieldName} must be positive number`);\n                    return false;\n                }\n                clearError(inputEl, msgEl);\n                return true;\n            }\n\n            \/\/ \u6279\u91cf\u6821\u9a8c\u5168\u90e8\u5b57\u6bb5\n            function validateAllFields() {\n                let isValid = true;\n                const fieldNames = {\n                    P: 'Load P',\n                    L: 'Span L',\n                    I: 'Inertia I'\n                };\n                fieldIds.forEach(key => {\n                    const pass = validateInput(inputEls[key], errorMsgEls[key], fieldNames[key]);\n                    if(!pass) isValid = false;\n                });\n                return isValid;\n            }\n\n            \/\/ \u6838\u5fc3\u8ba1\u7b97\u903b\u8f91\n            \/\/ I\u8f93\u5165cm\u2074\uff0c\u8f6c\u6362 m\u2074\uff1a1 cm\u2074 = 1e-8 m\u2074\n            \/\/ f = (P * L^3) \/ (48 * E * I_m4)\n            function runCalculation() {\n                if(!validateAllFields()) {\n                    resultEl.textContent = '--';\n                    return;\n                }\n                const P = parseFloat(inputEls.P.value);\n                const L = parseFloat(inputEls.L.value);\n                const I_cm4 = parseFloat(inputEls.I.value);\n                \/\/ cm\u2074 \u8f6c m\u2074\n                const I_m4 = I_cm4 * Math.pow(10, -8);\n\n                const numerator = P * Math.pow(L, 3);\n                const denominator = 48 * STEEL_E * I_m4;\n                const deflection = numerator \/ denominator;\n                \/\/ \u7ed3\u679c\u4fdd\u75592\u4f4d\u5c0f\u6570\n                resultEl.textContent = deflection.toFixed(2);\n            }\n\n            \/\/ \u91cd\u7f6e\u5168\u90e8\n            function resetAll() {\n                fieldIds.forEach(key => {\n                    inputEls[key].value = '';\n                    clearError(inputEls[key], errorMsgEls[key]);\n                });\n                resultEl.textContent = '--';\n            }\n\n            \/\/ \u7ed1\u5b9a\u4e8b\u4ef6\n            function bindEvents() {\n                calcBtn.addEventListener('click', runCalculation);\n                resetBtn.addEventListener('click', resetAll);\n            }\n\n            \/\/ \u521d\u59cb\u5316\u5165\u53e3\n            function init() {\n                initDomRefs();\n                bindEvents();\n            }\n\n            window.BeamDeflectionCalc = {\n                init: init\n            };\n        })();\n\n        \/\/ \u9875\u9762\u52a0\u8f7d\u5b8c\u6210\u521d\u59cb\u5316\u8ba1\u7b97\u5668\n        document.addEventListener('DOMContentLoaded', function() {\n            BeamDeflectionCalc.init();\n        });\n    <\/script>\n<\/div>\n\n\n\n<h2 class=\"wp-block-heading\">\uc624\ubc84\ud5e4\ub4dc \ubc0f \uac20\ud2b8\ub9ac \ud06c\ub808\uc778 \ucc98\uc9d0 \uacc4\uc0b0\uae30 \uacf5\uc2dd<\/h2>\n\n\n\n<style>\n    .formula {\n        font-family: \"Microsoft YaHei\", sans-serif;\n        font-size: 1.2em;\n        margin: 20px 0;\n        padding: 15px;\n        background: #ffffff;\n        border-radius: 8px;\n        text-align: left;\n    }\n    .math-frac {\n        display: inline-block;\n        vertical-align: middle;\n        text-align: center;\n        margin: 0 6px;\n    }\n    .frac-numerator {\n        display: block;\n        padding: 0 10px;\n        border-bottom: 2px solid #222;\n    }\n    .frac-denominator {\n        display: block;\n        padding: 0 10px;\n    }\n    .sup-pow {\n        font-size: 0.6em;\n        line-height: 0;\n        position: relative;\n        top: -0.6em;\n    }\n<\/style>\n<div class=\"formula\">\n    f = <span class=\"math-frac\">\n        <span class=\"frac-numerator\">PL<span class=\"sup-pow\">3<\/span><\/span>\n        <span class=\"frac-denominator\">48EI<\/span>\n    <\/span>\n<\/div>\n\n\n\n<ul class=\"wp-block-list\">\n<li>f: \ucd5c\ub300 \ucc98\uc9d0 (\ub2e8\uc704: m)<\/li>\n\n\n\n<li>P: \ud720 \ud558\uc911 (\ub2e8\uc704: N)<\/li>\n\n\n\n<li>L: \uc8fc\ubcf4\uc758 \uae38\uc774 (\ub2e8\uc704: m)<\/li>\n\n\n\n<li>E: \ud0c4\uc131 \uacc4\uc218 (\ub2e8\uc704: Pa, \uc77c\ubc18\uc801\uc73c\ub85c 2.06 \u00d7 10\u00b9\u00b9 Pa\ub85c \uac04\uc8fc\ub428)<\/li>\n\n\n\n<li>I: \uad00\uc131 \ubaa8\uba58\ud2b8 (\ub2e8\uc704: m)<sup>4<\/sup>) <\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">\ub178\ud2b8<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\uad6d\uc81c \ud45c\uc900 \uacc4\uc0b0\uc5d0\uc11c \uac15\ucca0\uc758 \ud0c4\uc131 \uacc4\uc218 \ub2e8\uc704\ub294 \uc790\ub3d9\uc73c\ub85c Pa\ub85c \ubcc0\ud658\ub429\ub2c8\ub2e4.<\/li>\n\n\n\n<li>\uacc4\uc0b0 \uacb0\uacfc\ub294 \ub2e4\uc74c\uacfc \uac19\uc2b5\ub2c8\ub2e4. <a href=\"https:\/\/www.dgcrane.com\/ko\/crane-main-girder-section-moment-of-inertia-calculator\/\">\ud06c\ub808\uc778 \uc8fc \uac70\ub354 \ub2e8\uba74 \uad00\uc131 \ubaa8\uba58\ud2b8 \uacc4\uc0b0\uae30<\/a> \ub2e8\uc704\ub294 cm\u2074\uc774\uc9c0\ub9cc, \uacc4\uc0b0 \uacfc\uc815\uc5d0\uc11c \uc790\ub3d9\uc73c\ub85c SI \ub2e8\uc704\uc778 m\u2074\ub85c \ubcc0\ud658\ub429\ub2c8\ub2e4.<\/li>\n\n\n\n<li>\uc774 \uc624\ubc84\ud5e4\ub4dc \ubc0f \uac20\ud2b8\ub9ac \ud06c\ub808\uc778 \ucc98\uc9d0 \uacc4\uc0b0\uae30\ub294 \uc8fc\ub85c \uc9c1\uc0ac\uac01\ud615 \uc911\uacf5 \ub2e8\uba74\uc744 \uac00\uc9c4 \uc8fc \uac70\ub354\uc5d0 \uc801\uc6a9\ub429\ub2c8\ub2e4.<\/li>\n\n\n\n<li>\uc774 \uc624\ubc84\ud5e4\ub4dc \ubc0f \uac20\ud2b8\ub9ac \ud06c\ub808\uc778 \ucc98\uc9d0 \uacc4\uc0b0\uae30\uc5d0 \uc0ac\uc6a9\ub41c \ud558\uc911\uc740 \uc911\uc559 \uc2a4\ud32c\uc5d0 \uc9d1\uc911\ub41c \ud558\uc911\uc785\ub2c8\ub2e4(\ud2b8\ub864\ub9ac\ub294 \uac00\uc7a5 \ubd88\ub9ac\ud55c \uc704\uce58\uc5d0 \ubc30\uce58\ub428).<\/li>\n\n\n\n<li>\uc218\uc9c1 \uc815\uc801 \ucc98\uc9d0\ub9cc \uacc4\uc0b0\ud558\uba70, \ub3d9\uc801 \ud558\uc911 \uacc4\uc218\ub294 \uace0\ub824\ud558\uc9c0 \uc54a\uc2b5\ub2c8\ub2e4.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">\uc801\uc6a9 \uac00\ub2a5\ud55c \ud06c\ub808\uc778<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\uad50\ub7c9 \ud06c\ub808\uc778(\uacbd\uac04 \u2264 30m)<\/li>\n\n\n\n<li>\uac20\ud2b8\ub9ac \ud06c\ub808\uc778(\uc2a4\ud32c \u2264 30m, \uce94\ud2f8\ub808\ubc84 \uc5c6\uc74c \ub610\ub294 \uce94\ud2f8\ub808\ubc84 \uae38\uc774 \u2264 0.15L)<\/li>\n\n\n\n<li>\ubc18\uac20\ud2b8\ub9ac \ud06c\ub808\uc778(\uc2a4\ud32c \u2264 30m, \uce94\ud2f8\ub808\ubc84 \uc5c6\uc74c \ub610\ub294 \uce94\ud2f8\ub808\ubc84 \uae38\uc774 \u2264 0.15L)<\/li>\n<\/ul>","protected":false},"excerpt":{"rendered":"\uc624\ubc84\ud5e4\ub4dc \ubc0f \uac20\ud2b8\ub9ac \ud06c\ub808\uc778 \ucc98\uc9d0 \uacc4\uc0b0\uae30\ub294 \uc791\uc5c5 \uc548\uc804\uc744 \ud655\ubcf4\ud558\uace0 \uad6c\uc870\ubb3c\uc758 \ud53c\ub85c\ub97c \uc904\uc774\uba70 \uc218\uba85\uc744 \uc5f0\uc7a5\ud569\ub2c8\ub2e4. \uc774 \uacc4\uc0b0\uae30\ub294 \uc778\uc591 \uc6a9\ub7c9, \uc2a4\ud32c, \ud2b8\ub864\ub9ac \uc911\ub7c9 \ubc0f \ub2e8\uba74 \ub9e4\uac1c\ubcc0\uc218\ub97c \uc785\ub825\ud558\uc5ec \ud558\uc911\uc744 \ubc1b\ub294 \uac70\ub354\uc758 \uc218\uc9c1 \ucc98\uc9d0\uc744 \uc815\ud655\ud558\uac8c \uacc4\uc0b0\ud558\uace0 \uac70\ub354\uc758 \uac15\uc131\uacfc \uad6c\uc870 \uc131\ub2a5\uc744 \ud3c9\uac00\ud569\ub2c8\ub2e4. \ub610\ud55c \ub808\uc77c \ub9c8\ubaa8, \uc601\uad6c \ubcc0\ud615 \ubc0f \ubd88\uc548\uc815\ud55c \uc791\ub3d9\uc744 \ubc29\uc9c0\ud558\uace0 \uad6c\uc870 \uc124\uacc4 \ubc0f \uc911\ub7c9\uc744 \ucd5c\uc801\ud654\ud569\ub2c8\ub2e4. \ub9c8\uc9c0\ub9c9\uc73c\ub85c, \ucc98\uc9d0 \uac12\uc774 ISO \ubc0f FEM \ud45c\uc900\uc5d0\uc11c \uc124\uc815\ud55c \uc81c\ud55c\uc744 \uc900\uc218\ud558\ub294\uc9c0 \uac80\uc99d\ud569\ub2c8\ub2e4.","protected":false},"author":8,"featured_media":17216,"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-17213","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-online-tools"],"acf":[],"_links":{"self":[{"href":"https:\/\/www.dgcrane.com\/ko\/wp-json\/wp\/v2\/posts\/17213"}],"collection":[{"href":"https:\/\/www.dgcrane.com\/ko\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.dgcrane.com\/ko\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.dgcrane.com\/ko\/wp-json\/wp\/v2\/users\/8"}],"replies":[{"embeddable":true,"href":"https:\/\/www.dgcrane.com\/ko\/wp-json\/wp\/v2\/comments?post=17213"}],"version-history":[{"count":4,"href":"https:\/\/www.dgcrane.com\/ko\/wp-json\/wp\/v2\/posts\/17213\/revisions"}],"predecessor-version":[{"id":17219,"href":"https:\/\/www.dgcrane.com\/ko\/wp-json\/wp\/v2\/posts\/17213\/revisions\/17219"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.dgcrane.com\/ko\/wp-json\/wp\/v2\/media\/17216"}],"wp:attachment":[{"href":"https:\/\/www.dgcrane.com\/ko\/wp-json\/wp\/v2\/media?parent=17213"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.dgcrane.com\/ko\/wp-json\/wp\/v2\/categories?post=17213"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.dgcrane.com\/ko\/wp-json\/wp\/v2\/tags?post=17213"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}