{"id":17141,"date":"2026-06-24T05:55:48","date_gmt":"2026-06-24T05:55:48","guid":{"rendered":"https:\/\/www.dgcrane.com\/?p=17141"},"modified":"2026-06-24T06:02:59","modified_gmt":"2026-06-24T06:02:59","slug":"crane-actual-lifting-speed-calculator","status":"publish","type":"post","link":"https:\/\/www.dgcrane.com\/ms\/crane-actual-lifting-speed-calculator\/","title":{"rendered":"Kalkulator Kelajuan Pengangkatan Sebenar Kren"},"content":{"rendered":"<div id=\"calculator\">\n    <style>\n        \/* \u4ec5\u9650\u5b9a#calculator\u5185\u90e8\uff0c\u65e0\u5168\u5c40\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: var(--bg-color);\n            box-sizing: border-box;\n            font-family: Arial, sans-serif;\n            color: var(--text-color);\n        }\n.formula-container span{color: #333333;}\n        #calculator .calc-title {\n            text-align: center;\n            margin: 0 0 20px;\n            font-size: 18px;\n        }\n        #calculator .calc-formula {\n            text-align: center;\n            font-family: \"Times New Roman\", serif;\n            font-size: 20px;\n            margin: 0 0 24px;\n            padding: 12px;\n            background: #fff;\n        }\n        #calculator .form-item {\n            margin-bottom: 16px;\n        }\n        #calculator label {\n            display: block;\n            font-size: 14px;\n            margin-bottom: 6px;\n        }\n        #calculator input[type=\"number\"] {\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[type=\"number\"]:focus {\n            outline: none;\n            border: 2px solid var(--primary-color);\n        }\n        #calculator input[type=\"number\"].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: 20px 0;\n        }\n        #calculator button {\n            flex: 1;\n            height: 34px;\n            line-height: 34px;\n            font-size: 14px;\n            border-radius: 0;\n            border: none;\n            cursor: pointer;\n            transition: 0.2s ease;\n        }\n        #calculator .btn-calc {\n            background-color: var(--primary-color);\n            color: #fff;\n        }\n        #calculator .btn-calc:hover {\n            background-color: var(--primary-hover);\n        }\n        #calculator .btn-reset {\n            background-color: #fff;\n            color: var(--primary-color);\n            border: 1px solid var(--primary-color);\n        }\n        #calculator .btn-reset:hover {\n            background-color: var(--primary-hover);\n            color: #fff;\n            border-color: var(--primary-hover);\n        }\n        #calculator .calc-result {\n            font-size: 30px;\n            text-align: center;\n            padding: 16px;\n            background: #fff;\n            word-break: break-all;\n        }\n        \/* \u79fb\u52a8\u7aef\u9002\u914d max-width:768px *\/\n        @media (max-width: 768px) {\n            #calculator input[type=\"number\"],\n            #calculator button {\n                height: 0.7rem;\n                font-size: 0.28rem;\n            }\n            #calculator .btn-group {\n                flex-direction: column;\n            }\n            #calculator button {\n                width: 100%;\n            }\n        }\n    <\/style>\n\n    <div class=\"form-item\">\n        <label for=\"calculator-n\">Kelajuan Putaran Kren n (rpm)<\/label>\n        <input type=\"number\" id=\"calculator-n\" step=\"0.01\" placeholder=\"contohnya 735\">\n        <div class=\"error-msg\" id=\"error-n\"><\/div>\n    <\/div>\n    <div class=\"form-item\">\n        <label for=\"calculator-D\">Diameter Dram D (m)<\/label>\n        <input type=\"number\" id=\"calculator-D\" step=\"0.01\" placeholder=\"contohnya 0.8\">\n        <div class=\"error-msg\" id=\"error-D\"><\/div>\n    <\/div>\n    <div class=\"form-item\">\n        <label for=\"calculator-d\">Diameter Tali Dawai d (mm)<\/label>\n        <input type=\"number\" id=\"calculator-d\" step=\"0.01\" placeholder=\"cth. 24\">\n        <div class=\"error-msg\" id=\"error-d\"><\/div>\n    <\/div>\n    <div class=\"form-item\">\n        <label for=\"calculator-I\">Nisbah Gear Pengurang I&#39;<\/label>\n        <input type=\"number\" id=\"calculator-I\" step=\"0.01\" placeholder=\"contohnya 45.75\">\n        <div class=\"error-msg\" id=\"error-I\"><\/div>\n    <\/div>\n    <div class=\"form-item\">\n        <label for=\"calculator-a\">Nisbah Tali Dawai a<\/label>\n        <input type=\"number\" id=\"calculator-a\" step=\"0.01\" placeholder=\"cth. 5\">\n        <div class=\"error-msg\" id=\"error-a\"><\/div>\n    <\/div>\n\n    <div class=\"btn-group\">\n        <button class=\"btn-calc\" id=\"calc-trigger\">Kira Kelajuan Mengangkat<\/button>\n        <button class=\"btn-reset\" id=\"calc-reset\">Tetapkan Semula Semua<\/button>\n    <\/div>\n\n    <div class=\"calc-result\" id=\"calc-result\">\u2014 m\/min<\/div>\n\n    <script>\n        \/\/ \u552f\u4e00\u547d\u540d\uff0c\u4e0d\u6c61\u67d3\u5168\u5c40\n        const CraneActualLiftingCalc = (function() {\n            \/\/ \u5b57\u6bb5\u5217\u8868\n            const fields = ['n','D','d','I','a'];\n            \/\/ DOM\u7f13\u5b58\n            const dom = {\n                resultBox: document.getElementById('calc-result'),\n                calcBtn: document.getElementById('calc-trigger'),\n                resetBtn: document.getElementById('calc-reset')\n            };\n\n            \/\/ \u8bbe\u7f6e\u8f93\u5165\u9519\u8bef\n            function setError(fieldId, msg) {\n                const input = document.getElementById(`calculator-${fieldId}`);\n                const errBox = document.getElementById(`error-${fieldId}`);\n                input.classList.add('error');\n                errBox.textContent = msg;\n                errBox.style.display = 'block';\n            }\n            \/\/ \u6e05\u9664\u5355\u4e2a\u8f93\u5165\u9519\u8bef\n            function clearError(fieldId) {\n                const input = document.getElementById(`calculator-${fieldId}`);\n                const errBox = document.getElementById(`error-${fieldId}`);\n                input.classList.remove('error');\n                errBox.textContent = '';\n                errBox.style.display = 'none';\n            }\n            \/\/ \u6e05\u7a7a\u5168\u90e8\u9519\u8bef\n            function clearAllError() {\n                fields.forEach(key => clearError(key));\n            }\n            \/\/ \u5355\u5b57\u6bb5\u6821\u9a8c\n            function validateInput(fieldId) {\n                const input = document.getElementById(`calculator-${fieldId}`);\n                const val = parseFloat(input.value);\n                clearError(fieldId);\n                if (input.value.trim() === '') {\n                    setError(fieldId, 'This field cannot be empty');\n                    return false;\n                }\n                if (isNaN(val) || val <= 0) {\n                    setError(fieldId, 'Please input valid positive number');\n                    return false;\n                }\n                return true;\n            }\n            \/\/ \u5168\u90e8\u5b57\u6bb5\u6279\u91cf\u6821\u9a8c\n            function validateAllFields() {\n                let pass = true;\n                fields.forEach(key => {\n                    if (!validateInput(key)) pass = false;\n                });\n                return pass;\n            }\n            \/\/ \u8ba1\u7b97\u6838\u5fc3\u903b\u8f91\n            function calcSpeed() {\n                clearAllError();\n                if (!validateAllFields()) {\n                    dom.resultBox.textContent = 'Invalid Input';\n                    return;\n                }\n                const n = parseFloat(document.getElementById('calculator-n').value);\n                const D = parseFloat(document.getElementById('calculator-D').value);\n                const d = parseFloat(document.getElementById('calculator-d').value);\n                const I = parseFloat(document.getElementById('calculator-I').value);\n                const a = parseFloat(document.getElementById('calculator-a').value);\n                \/\/ \u6309\u516c\u5f0f\u8ba1\u7b97\n                const V = (n * Math.PI * (D + d \/ 1000)) \/ (I * a);\n                \/\/ \u4fdd\u75596\u4f4d\u5c0f\u6570\n                dom.resultBox.textContent = `${V.toFixed(6)} m\/min`;\n            }\n            \/\/ \u91cd\u7f6e\u5168\u90e8\n            function resetAll() {\n                fields.forEach(key => {\n                    const input = document.getElementById(`calculator-${key}`);\n                    input.value = '';\n                    clearError(key);\n                });\n                dom.resultBox.textContent = '-- m\/min';\n            }\n            \/\/ \u8f93\u5165\u65f6\u5b9e\u65f6\u6e05\u9664\u9519\u8bef\n            function bindInputClearErr() {\n                fields.forEach(key => {\n                    const input = document.getElementById(`calculator-${key}`);\n                    input.addEventListener('input', () => clearError(key));\n                });\n            }\n            \/\/ \u7ed1\u5b9a\u4e8b\u4ef6\n            function initBind() {\n                dom.calcBtn.addEventListener('click', calcSpeed);\n                dom.resetBtn.addEventListener('click', resetAll);\n                bindInputClearErr();\n            }\n            \/\/ \u521d\u59cb\u5316\u5165\u53e3\n            return {\n                init: function() {\n                    initBind();\n                }\n            }\n        })();\n        \/\/ \u9875\u9762\u52a0\u8f7d\u521d\u59cb\u5316\n        CraneActualLiftingCalc.init();\n    <\/script>\n<\/div>\n\n\n\n<h2 class=\"wp-block-heading\">Formula Kalkulator Kelajuan Pengangkatan Sebenar Kren<\/h2>\n\n\n\n<!DOCTYPE html>\n<html lang=\"zh-CN\">\n<head>\n    <meta charset=\"UTF-8\">\n    <meta name=\"viewport\" content=\"width=device-width, initial-scale=1.0\">\n    <title>\u8d77\u91cd\u673a\u8d77\u5347\u901f\u5ea6\u516c\u5f0f<\/title>\n    <style>\n        \/* \u4ec5\u516c\u5f0f\u5bb9\u5668\u6837\u5f0f\uff0c\u65e0\u5168\u5c40\u63a7\u5236 *\/\n        .formula-container {\n            font-family: \"Times New Roman\", serif;\n            font-size: 20px;\n            display: flex;\n            align-items: center;\n            gap: 0.3em;\n        }\n        .formula-fraction {\n            display: inline-flex;\n            flex-direction: column;\n            align-items: center;\n        }\n        .fraction-top,\n        .fraction-bottom {\n            padding: 0 0.2em;\n        }\n        .fraction-line {\n            width: 100%;\n            height: 0.05em;\n            background-color: #000;\n        }\n\n        \/* \u79fb\u52a8\u7aef\u5355\u72ec\u9002\u914d\uff0c\u65e0\u5168\u5c40\u5f71\u54cd *\/\n        @media (max-width: 768px) {\n            .formula-container {\n                font-size: 0.3rem;\n            }\n        }\n    <\/style>\n<\/head>\n<body>\n    <div class=\"formula-container\">\n        <span>V<\/span>\n        <span>=<\/span>\n        <span>n\u03c0<\/span>\n        <span>(<\/span>\n        <span>D<\/span>\n        <span>+<\/span>\n        <div class=\"formula-fraction\">\n            <div class=\"fraction-top\">d<\/div>\n            <div class=\"fraction-line\"><\/div>\n            <div class=\"fraction-bottom\">1000<\/div>\n        <\/div>\n        <span>)<\/span>\n        <span>\/<\/span>\n        <span>(Saya)<\/span>\n    <\/div>\n<\/body>\n<\/html>\n\n\n\n<ul class=\"wp-block-list\">\n<li>V: Kelajuan mengangkat sebenar kren (unit: m\/min)<\/li>\n\n\n\n<li>n: Kelajuan putaran kren (unit: rpm)<\/li>\n\n\n\n<li>D: Diameter dram (unit: m)<\/li>\n\n\n\n<li>d: Diameter tali dawai (unit: mm)<\/li>\n\n\n\n<li>I&#39;: Nisbah gear pengurang&nbsp;<\/li>\n\n\n\n<li>a: Kadar tali dawai<\/li>\n\n\n\n<li>v: Kelajuan mengangkat dinilai (unit: m\/min)<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">Nota<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Apabila mengira nisbah kelajuan motor, kedua-dua pengangkat dram tunggal dan dram berganda boleh digunakan.<\/li>\n\n\n\n<li>Terdapat sisihan antara kelajuan pengangkatan yang dinilai dan kelajuan pengangkatan sebenar. Dalam sistem FEM, reka bentuk kejuruteraan biasanya mengawal kelajuan pengangkatan sebenar kren dalam lingkungan \u00b110%, iaitu, 0.9V.<sub>n<\/sub>\u2264V<sub>a<\/sub>\u22641.1V<sub>n<\/sub>(V<sub>n<\/sub> ialah kelajuan mengangkat yang dinilai, V<sub>a<\/sub> ialah kelajuan pengangkatan sebenar).<\/li>\n\n\n\n<li>Nisbah tali dawai ditentukan oleh bilangan cabang tali dawai pada cangkuk. Walau bagaimanapun, jika sistem keratan berganda digunakan, nisbah tali dawai adalah separuh daripada bilangan cabang.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">Produk yang Berkenaan<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Kren Overhed Girder Tunggal<\/li>\n\n\n\n<li>Kren Overhed Double Girder<\/li>\n\n\n\n<li>Kren Gantry Girder Tunggal<\/li>\n\n\n\n<li>Kren Gantry Double Girder<\/li>\n<\/ul>\n\n\n\n<div style=\"height:30px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h2 class=\"wp-block-heading\">Penyelesaian Kren Tersuai yang Dibina untuk Tapak Kerja Anda<\/h2>\n\n\n\n<p>Setiap aplikasi kren adalah unik \u2014 daripada keadaan kerja hinggalah kitaran beban dan permintaan alam sekitar. Jurutera kami akan bekerjasama dengan anda untuk mereka bentuk penyelesaian yang selamat, cekap dan mesra bajet yang selaras dengan matlamat anda. Hubungi kami hari ini untuk rundingan percuma dan secara bersemuka serta sokongan kejuruteraan tersuai.<\/p>","protected":false},"excerpt":{"rendered":"Kalkulator kelajuan angkat sebenar kren mengesahkan sama ada kelajuan yang direka bentuk memenuhi nilai undian untuk menilai rasionaliti reka bentuk. Ia juga mengira nisbah gear yang diperlukan bagi pengurang angkat, menyemak pemilihan motor, dan mengesahkan padanan dram dan tali keluli. Kelajuan angkat yang munasabah mengurangkan tekanan lesu pada komponen struktur dan memanjangkan hayat perkhidmatan. Sementara itu, kalkulator kelajuan angkat sebenar kren membantu memilih motor dan penyelesaian transmisi yang optimum, mengurangkan kos operasi jangka panjang sambil memastikan keselamatan dan kecekapan kerja.","protected":false},"author":8,"featured_media":17155,"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-17141","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-online-tools"],"acf":[],"_links":{"self":[{"href":"https:\/\/www.dgcrane.com\/ms\/wp-json\/wp\/v2\/posts\/17141"}],"collection":[{"href":"https:\/\/www.dgcrane.com\/ms\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.dgcrane.com\/ms\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.dgcrane.com\/ms\/wp-json\/wp\/v2\/users\/8"}],"replies":[{"embeddable":true,"href":"https:\/\/www.dgcrane.com\/ms\/wp-json\/wp\/v2\/comments?post=17141"}],"version-history":[{"count":15,"href":"https:\/\/www.dgcrane.com\/ms\/wp-json\/wp\/v2\/posts\/17141\/revisions"}],"predecessor-version":[{"id":17169,"href":"https:\/\/www.dgcrane.com\/ms\/wp-json\/wp\/v2\/posts\/17141\/revisions\/17169"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.dgcrane.com\/ms\/wp-json\/wp\/v2\/media\/17155"}],"wp:attachment":[{"href":"https:\/\/www.dgcrane.com\/ms\/wp-json\/wp\/v2\/media?parent=17141"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.dgcrane.com\/ms\/wp-json\/wp\/v2\/categories?post=17141"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.dgcrane.com\/ms\/wp-json\/wp\/v2\/tags?post=17141"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}