{"id":17121,"date":"2026-06-18T10:00:07","date_gmt":"2026-06-18T10:00:07","guid":{"rendered":"https:\/\/www.dgcrane.com\/?p=17121"},"modified":"2026-06-18T10:08:54","modified_gmt":"2026-06-18T10:08:54","slug":"crane-wire-rope-minimum-breaking-load-calculator","status":"publish","type":"post","link":"https:\/\/www.dgcrane.com\/fil\/crane-wire-rope-minimum-breaking-load-calculator\/","title":{"rendered":"Kalkulador ng Pinakamababang Pagkarga ng Crane Wire Rope"},"content":{"rendered":"<!-- WordPress Embed Wire Rope Tension Calculator | Two Column Layout Fixed Duty Dropdown Bug -->\n<div id=\"calculator\">\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            max-width: 545px;\n            padding: 30px;\n            background: var(--bg-color);\n            font-family: system-ui, sans-serif;\n            color: var(--text-color);\n            box-sizing: border-box;\n        }\n        #calculator .calc-wrap {\n            width: 100%;\n        }\n        \/* Two Column Row Container *\/\n        #calculator .row-two-col {\n            display: flex;\n            gap: 16px;\n        }\n        #calculator .col-half {\n            flex: 1;\n            width: 50%;\n        }\n        #calculator label {\n            display: block;\n            font-size: 14px;height: 22px;\n        }\n#calculator div>div{gap: 0}\n        #calculator input,\n        #calculator select {\n            width: 100%;\n            height: 36px;\n            font-size: 16px;\n            border: 1px solid #ccc;\n            border-radius: 0;\n            padding: 0 10px;\n            box-sizing: border-box;\n            transition: 0.2s ease;\n            background: #ffffff;\n        }\n        #calculator input:focus,\n        #calculator select:focus {\n            outline: none;\n            border: 2px solid var(--primary-color);\n        }\n        #calculator input.error,\n        #calculator select.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: 10px;\n            margin: 20px 0 10px 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 .btn-calc {\n            background: var(--primary-color);\n            color: #ffffff;\n        }\n        #calculator .btn-calc:hover {\n            background: var(--primary-hover);\n        }\n        #calculator .btn-reset {\n            background: #cccccc;\n            color: #000000;\n        }\n        #calculator .result-box {\n            margin-top: 12px;\n            padding: 10px;\n            background: #ffffff;\n            border: 1px solid #dddddd;\n        }\n        #calculator .result-row {\n            display: flex;\n            gap: 16px;\n        }\n        #calculator .result-item {\n            flex: 1;\n            font-size: 16px;\n            margin: 8px 0;\n        }\n        #calculator .result-value {\n            font-size: 20px;\n            font-weight: bold;\n            color: var(--primary-color);\n            display: block;\n        }\n        #calculator sub {\n            font-size: 0.7em;\n        }\n        \/* Mobile Responsive: switch to single column *\/\n        @media (max-width: 768px) {\n            #calculator .row-two-col,\n            #calculator .result-row {\n                flex-direction: column;\n                gap: 0;\n            }\n            #calculator .col-half {\n                width: 100%;\n            }\n            #calculator input,\n            #calculator select {\n                height: 0.7rem;\n                font-size: 0.28rem;\n            }\n            #calculator button {\n                height: 0.7rem;\n                line-height: 0.7rem;\n                font-size: 0.28rem;\n            }\n            #calculator .btn-group {\n                flex-direction: column;\n            }\n            #calculator label {\n                font-size: 0.28rem;\n            }\n        }\n    <\/style>\n    <div class=\"calc-wrap\">\n        <!-- Row 1: Q & Qh Two Column -->\n        <div class=\"row-two-col\">\n            <div class=\"col-half\">\n                <div class=\"form-item\">\n                    <label for=\"calculator-Q\">Rated Load Q (t)<\/label>\n                    <input type=\"number\" id=\"calculator-Q\" step=\"0.01\" placeholder=\"hal. 20\">\n                    <div class=\"error-msg\" id=\"calculator-Q-error\">Pakilagay ang wastong na-rate na karga<\/div>\n                <\/div>\n            <\/div>\n            <div class=\"col-half\">\n                <div class=\"form-item\">\n                    <label for=\"calculator-Qh\">Timbang ng Kalakip Q<sub>h<\/sub> (t)<\/label>\n                    <input type=\"number\" id=\"calculator-Qh\" step=\"0.01\" placeholder=\"hal. 0.4\">\n                    <div class=\"error-msg\" id=\"calculator-Qh-error\">Pakilagay ang wastong bigat ng kalakip<\/div>\n                <\/div>\n            <\/div>\n        <\/div>\n\n        <!-- Row 2: Sheave Ratio & Gamma Two Column -->\n        <div class=\"row-two-col\">\n            <div class=\"col-half\">\n                <div class=\"form-item\">\n                    <label for=\"calculator-m\">Mga Ratio ng Sheave m<\/label>\n                    <select id=\"calculator-m\">\n                        <option value=\"2\">2<\/option>\n                        <option value=\"3\">3<\/option>\n                        <option value=\"4\" selected>4<\/option>\n                        <option value=\"5\">5<\/option>\n                        <option value=\"6\">6<\/option>\n                        <option value=\"8\">8<\/option>\n                    <\/select>\n                    <div class=\"error-msg\" id=\"calculator-m-error\">Mangyaring piliin ang sheave ratio<\/div>\n                <\/div>\n            <\/div>\n            <div class=\"col-half\">\n                <div class=\"form-item\">\n                    <label for=\"calculator-gamma\">Koepisyent ng Pinagsama-samang Pagkarga \u03b3<\/label>\n                    <input type=\"number\" id=\"calculator-gamma\" step=\"0.01\" value=\"1.1\">\n                    <div class=\"error-msg\" id=\"calculator-gamma-error\">Mangyaring ilagay ang wastong koepisyent<\/div>\n                <\/div>\n            <\/div>\n        <\/div>\n\n        <!-- Row3: Mechanism & Rope Type Two Column -->\n        <div class=\"row-two-col\">\n            <div class=\"col-half\">\n                <div class=\"form-item\">\n                    <label for=\"calculator-mechType\">Uri ng Mekanismo<\/label>\n                    <select id=\"calculator-mechType\">\n                        <option value=\"lifting\">Pangunahing Pag-angat<\/option>\n                        <option value=\"luffing\">Jib Luffing \/ Derricking<\/option>\n                    <\/select>\n                    <div class=\"error-msg\" id=\"calculator-mechType-error\">Mangyaring pumili ng uri ng mekanismo<\/div>\n                <\/div>\n            <\/div>\n            <div class=\"col-half\">\n                <div class=\"form-item\">\n                    <label for=\"calculator-ropeType\">Uri ng Lubid na Alambre<\/label>\n                    <select id=\"calculator-ropeType\">\n                        <option value=\"standard\">Karaniwang Lubid na Alambre<\/option>\n                        <option value=\"rotationResist\">Lubid na Kable na Lumalaban sa Pag-ikot<\/option>\n                    <\/select>\n                    <div class=\"error-msg\" id=\"calculator-ropeType-error\">Mangyaring pumili ng uri ng wire rope<\/div>\n                <\/div>\n            <\/div>\n        <\/div>\n\n        <!-- Single Full Width: Winding Type (Only for Lifting) -->\n        <div class=\"form-item\" id=\"windingTypeWrapper\">\n            <label for=\"calculator-windingType\">Uri ng Pag-ikot<\/label>\n            <select id=\"calculator-windingType\">\n                <option value=\"single\">Pag-ikot ng Isang Layer<\/option>\n                <option value=\"multi\">Multi-Layer Winding<\/option>\n            <\/select>\n            <div class=\"error-msg\" id=\"calculator-windingType-error\">Mangyaring pumili ng uri ng paikot-ikot<\/div>\n        <\/div>\n\n        <!-- Single Full Width: Duty Class -->\n        <div class=\"form-item\">\n            <label for=\"calculator-dutyClass\">Klase ng Tungkulin ng Crane (Klase M, kasama ang Z<sub>p<\/sub>)<\/label>\n            <select id=\"calculator-dutyClass\">\n                <option value=\"\">Naglo-load\u2026<\/option>\n            <\/select>\n            <div class=\"error-msg\" id=\"calculator-dutyClass-error\">Mangyaring pumili ng klase ng tungkulin<\/div>\n        <\/div>\n\n        <div class=\"btn-group\">\n            <button class=\"btn-calc\" id=\"calcBtn\">Kalkulahin ang S at F<sub>min<\/sub><\/button>\n            <button class=\"btn-reset\" id=\"resetBtn\">I-reset Lahat<\/button>\n        <\/div>\n\n        <!-- Two Column Result Area -->\n        <div class=\"result-box\">\n            <div class=\"result-row\">\n                <div class=\"result-item\">\n                    Pinakamataas na Tensyon ng Isang Lubid S (kN):\n                    <span class=\"result-value\" id=\"result-S\">&#8211;<\/span>\n                <\/div>\n                <div class=\"result-item\">\n                    Minimum na Kinakailangang Puwersa sa Pagbasag F (kN):\n                    <span class=\"result-value\" id=\"result-Fmin\">&#8211;<\/span>\n                <\/div>\n            <\/div>\n        <\/div>\n    <\/div>\n\n    <script>\n        let calcTool_S = 0;\n        const g = 9.8;\n\n        const calcTool_ZpTable = {\n            lifting: {\n                single: {\n                    standard: {\n                        M1: 3.15, M2: 3.35, M3: 3.55, M4: 4.00, M5: 4.50, M6: 5.60, M7: 7.10, M8: 9.00\n                    },\n                    rotationResist: {\n                        M1: 3.15, M2: 3.35, M3: 3.55, M4: 4.00, M5: 4.50, M6: 5.60, M7: 7.10, M8: 9.00\n                    }\n                },\n                multi: {\n                    standard: {\n                        M1: 3.55, M2: 3.55, M3: 3.55, M4: 4.00, M5: 4.50, M6: 5.60, M7: null, M8: null\n                    },\n                    rotationResist: {\n                        M1: 3.55, M2: 3.55, M3: 3.55, M4: 4.00, M5: 4.50, M6: 5.60, M7: null, M8: null\n                    }\n                }\n            },\n            luffing: {\n                single: {\n                    standard: {\n                        M1: 3.55, M2: 3.55, M3: 3.55, M4: 4.00, M5: 4.50, M6: 5.60, M7: 7.10, M8: 9.00\n                    },\n                    rotationResist: {\n                        M1: 4.50, M2: 4.50, M3: 4.50, M4: 4.50, M5: 4.50, M6: 5.60, M7: null, M8: null\n                    }\n                }\n            }\n        };\n\n        function calcTool_updateDutyClassOptions() {\n            const mech = document.getElementById('calculator-mechType').value;\n            const winding = document.getElementById('calculator-windingType').value;\n            const rope = document.getElementById('calculator-ropeType').value;\n            const selectEl = document.getElementById('calculator-dutyClass');\n            selectEl.options.length = 0;\n\n            const dataSet = calcTool_ZpTable[mech][winding][rope];\n            for (const [mClass, zpVal] of Object.entries(dataSet)) {\n                if (zpVal === null) continue;\n                const opt = new Option(`${mClass} (Z\u209a = ${zpVal})`, zpVal);\n                selectEl.options.add(opt);\n                if(mClass === \"M3\") opt.selected = true;\n            }\n        }\n\n        function calcTool_toggleWindingType() {\n            const mech = document.getElementById('calculator-mechType').value;\n            const wrap = document.getElementById('windingTypeWrapper');\n            wrap.style.display = mech === 'lifting' ? 'block' : 'none';\n            calcTool_updateDutyClassOptions();\n        }\n\n        function calcTool_setError(fieldId, msgId) {\n            const field = document.getElementById(fieldId);\n            const msg = document.getElementById(msgId);\n            field.classList.add('error');\n            msg.style.display = 'block';\n        }\n        function calcTool_clearError(fieldId, msgId) {\n            const field = document.getElementById(fieldId);\n            const msg = document.getElementById(msgId);\n            field.classList.remove('error');\n            msg.style.display = 'none';\n        }\n        function calcTool_clearAllError() {\n            const fields = ['Q','Qh','m','gamma','mechType','windingType','ropeType','dutyClass'];\n            fields.forEach(key => calcTool_clearError('calculator-' + key, 'calculator-' + key + '-error'));\n        }\n\n        function calcTool_validateInput() {\n            let isValid = true;\n            calcTool_clearAllError();\n            const Q = parseFloat(document.getElementById('calculator-Q').value);\n            const Qh = parseFloat(document.getElementById('calculator-Qh').value);\n            const m = parseInt(document.getElementById('calculator-m').value);\n            const gamma = parseFloat(document.getElementById('calculator-gamma').value);\n            if (isNaN(Q) || Q <= 0) { calcTool_setError('calculator-Q','calculator-Q-error'); isValid = false; }\n            if (isNaN(Qh) || Qh < 0) { calcTool_setError('calculator-Qh','calculator-Qh-error'); isValid = false; }\n            if (isNaN(m) || m <= 0) { calcTool_setError('calculator-m','calculator-m-error'); isValid = false; }\n            if (isNaN(gamma) || gamma <= 0) { calcTool_setError('calculator-gamma','calculator-gamma-error'); isValid = false; }\n            return isValid;\n        }\n\n        function calcTool_doCalculate() {\n            if (!calcTool_validateInput()) return;\n            const Q_t = parseFloat(document.getElementById('calculator-Q').value);\n            const Qh_t = parseFloat(document.getElementById('calculator-Qh').value);\n            const m = parseInt(document.getElementById('calculator-m').value);\n            const gamma = parseFloat(document.getElementById('calculator-gamma').value);\n            const Zp = parseFloat(document.getElementById('calculator-dutyClass').value);\n\n            const Q_kg = Q_t * 1000;\n            const Qh_kg = Qh_t * 1000;\n            const S_N = ((Q_kg + Qh_kg) * g \/ m) * gamma;\n            calcTool_S = S_N \/ 1000;\n            const Fmin = calcTool_S * Zp;\n\n            document.getElementById('result-S').innerText = calcTool_S.toFixed(2);\n            document.getElementById('result-Fmin').innerText = Fmin.toFixed(2);\n        }\n\n        function calcTool_doReset() {\n            document.getElementById('calculator-Q').value = '';\n            document.getElementById('calculator-Qh').value = '';\n            document.getElementById('calculator-gamma').value = '1.1';\n            document.getElementById('calculator-m').value = '4';\n            document.getElementById('calculator-mechType').value = 'lifting';\n            document.getElementById('calculator-windingType').value = 'single';\n            document.getElementById('calculator-ropeType').value = 'standard';\n            calcTool_clearAllError();\n            document.getElementById('result-S').innerText = '-';\n            document.getElementById('result-Fmin').innerText = '-';\n            calcTool_S = 0;\n            calcTool_toggleWindingType();\n        }\n\n        function calcTool_bindEvents() {\n            document.getElementById('calculator-mechType').addEventListener('change', calcTool_toggleWindingType);\n            document.getElementById('calculator-windingType').addEventListener('change', calcTool_updateDutyClassOptions);\n            document.getElementById('calculator-ropeType').addEventListener('change', calcTool_updateDutyClassOptions);\n\n            const inputList = [\n                {id:'calculator-Q', err:'calculator-Q-error'},\n                {id:'calculator-Qh', err:'calculator-Qh-error'},\n                {id:'calculator-m', err:'calculator-m-error'},\n                {id:'calculator-gamma', err:'calculator-gamma-error'},\n                {id:'calculator-mechType', err:'calculator-mechType-error'},\n                {id:'calculator-windingType', err:'calculator-windingType-error'},\n                {id:'calculator-ropeType', err:'calculator-ropeType-error'},\n                {id:'calculator-dutyClass', err:'calculator-dutyClass-error'}\n            ];\n            inputList.forEach(item => {\n                document.getElementById(item.id).addEventListener('input', () => calcTool_clearError(item.id, item.err));\n            });\n\n            document.getElementById('calcBtn').addEventListener('click', calcTool_doCalculate);\n            document.getElementById('resetBtn').addEventListener('click', calcTool_doReset);\n        }\n\n        document.addEventListener('DOMContentLoaded', function(){\n            calcTool_bindEvents();\n            calcTool_toggleWindingType();\n        });\n    <\/script>\n<\/div>\n\n\n\n<div style=\"height:60px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h2 class=\"wp-block-heading\">Pormula ng Kalkulasyon ng Pinakamababang Pagkarga sa Pagbasag ng Crane Wire Rope<\/h2>\n\n\n\n<p>F<sub>minuto<\/sub>\u2265S\u00d7Z<sub>p\u200b<\/sub><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>F<sub>min<\/sub>\u200b: minimum na karga sa pagkabali ng wire rope<\/li>\n\n\n\n<li>S: ang pinakamataas na tensyon ng lubid (yunit: kN)<\/li>\n\n\n\n<li>Z<sub>p\u200b<\/sub>: ang pinakamababang salik ng disenyo&nbsp;<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">Pormula ng Pagkalkula ng Pinakamataas na Tensyon ng Lubid ng Crane<\/h3>\n\n\n\n<p>S=\uff08Q+Qh\uff09g\/m\u00d7\u03b3<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>T: Na-rate na kapasidad sa pagbubuhat (yunit: kg)<\/li>\n\n\n\n<li>Q<sub>h<\/sub>: Kabuuang bigat ng kagamitan sa pagbubuhat, kabilang ang kawit, sheave block, lifting beam, grab bucket, hopper, at lahat ng iba pang aksesorya na tumataas at bumababa kasama ng wire rope (yunit: kg)<\/li>\n\n\n\n<li>g: Akselerasyon dahil sa grabidad, takdang halaga na 9.8 m\/s\u00b2<\/li>\n\n\n\n<li>m: Proporsyon ng bloke ng sheave<\/li>\n\n\n\n<li>\u03b3: Komprehensibong salik ng pagwawasto ng karga, karaniwang kinukuha bilang 1.1<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">Mga Tala<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Para sa pagbubuhat gamit ang mga wire rope, ang pagkalkula ng S ay kailangang isaalang-alang ang sumusunod na apat na salik: ang rated na kapasidad sa pagbubuhat ng makinarya ng pagbubuhat, ang masa ng sheave block at\/o iba pang mga aksesorya sa pagbubuhat, ang ratio ng rope winding system, at ang kahusayan ng rope winding system (tulad ng kahusayan ng bearing).<\/li>\n\n\n\n<li>Ang sheave block ratio ng isang single-drum system ay katumbas ng bilang ng mga sanga ng lubid na may dalang karga. Halimbawa, ang 2 sanga ay nagbibigay ng ratio na m=2. Para sa isang double-drum system, ang ratio ay kalahati ng bilang ng sanga. Sa 4 na sanga na may dalang karga at 2 sanga na may free-end, m = 4\/2 = 2.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">Mga Naaangkop na Crane at Hoist<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li>mga overhead travelling crane<\/li>\n\n\n\n<li>mga hoist-lubid na alambre<\/li>\n\n\n\n<li>mga portal o semi-portal na kreyn<\/li>\n\n\n\n<li>mga portal o semi-portal na bridge crane<\/li>\n\n\n\n<li>mga mobile crane<\/li>\n\n\n\n<li>mga cantilever crane (pillar, jib, wall o walking)<\/li>\n<\/ul>","protected":false},"excerpt":{"rendered":"Ang Crane Wire Rope Minimum Breaking Load (MBL) Calculator ay nagsisilbing mabilis na kagamitan para sa pagtantya ng kapasidad ng pagkarga ng wire rope at pagsasagawa ng beripikasyon sa pagpili ng modelo; sa pamamagitan ng pag-input ng iba&#39;t ibang detalye ng wire rope, awtomatiko at mabilis na maihahambing ng mga gumagamit ang lakas ng pagkabasag ng iba&#39;t ibang konstruksyon ng wire rope at matukoy ang kanilang pagiging tugma sa mga kaukulang drum. Bukod pa rito, nakakatulong ito sa disenyo ng mga bahagi ng mekanismo ng pag-aangat kabilang ang mga drum at sheaves pati na rin ang beripikasyon ng lakas ng motor. Sa susunod na operasyon at pagpapanatili ng crane, maaaring sumangguni ang mga technician ng pagpapanatili sa data mula sa calculator na ito upang masuri kung kinakailangan ang pagpapalit ng wire rope at i-verify na ang mga bagong pamalit na wire rope ay nakakatugon sa mga orihinal na pamantayan ng safety factor ng disenyo. Samakatuwid, ang pagpili ng wire rope na may wastong MBL ay nakakatulong na maiwasan ang mga overload, mabawasan ang mga panganib sa aksidente at pahabain ang buhay ng serbisyo ng mga wire rope.","protected":false},"author":8,"featured_media":17122,"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-17121","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-online-tools"],"acf":[],"_links":{"self":[{"href":"https:\/\/www.dgcrane.com\/fil\/wp-json\/wp\/v2\/posts\/17121"}],"collection":[{"href":"https:\/\/www.dgcrane.com\/fil\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.dgcrane.com\/fil\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.dgcrane.com\/fil\/wp-json\/wp\/v2\/users\/8"}],"replies":[{"embeddable":true,"href":"https:\/\/www.dgcrane.com\/fil\/wp-json\/wp\/v2\/comments?post=17121"}],"version-history":[{"count":8,"href":"https:\/\/www.dgcrane.com\/fil\/wp-json\/wp\/v2\/posts\/17121\/revisions"}],"predecessor-version":[{"id":17136,"href":"https:\/\/www.dgcrane.com\/fil\/wp-json\/wp\/v2\/posts\/17121\/revisions\/17136"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.dgcrane.com\/fil\/wp-json\/wp\/v2\/media\/17122"}],"wp:attachment":[{"href":"https:\/\/www.dgcrane.com\/fil\/wp-json\/wp\/v2\/media?parent=17121"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.dgcrane.com\/fil\/wp-json\/wp\/v2\/categories?post=17121"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.dgcrane.com\/fil\/wp-json\/wp\/v2\/tags?post=17121"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}