{"id":17406,"date":"2026-10-12T02:08:27","date_gmt":"2026-10-12T02:08:27","guid":{"rendered":"https:\/\/www.dgcrane.com\/?p=17406"},"modified":"2026-10-12T02:08:31","modified_gmt":"2026-10-12T02:08:31","slug":"crane-wire-rope-diameter-selection-tool","status":"publish","type":"post","link":"https:\/\/www.dgcrane.com\/fr\/crane-wire-rope-diameter-selection-tool\/","title":{"rendered":"Outil de s\u00e9lection du diam\u00e8tre des c\u00e2bles m\u00e9talliques pour grues"},"content":{"rendered":"<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\n      width: 100%;\n      max-width: 545px;\n      margin: 20px auto;\n      padding: 30px;\n      box-sizing: border-box;\n      background: var(--bg-color);\n      color: var(--text-color);\n      font-family: Arial, \"Microsoft YaHei\", sans-serif;\n      font-size: 14px;\n      line-height: 1.4;\n    }\n    #calculator * ,\n    #calculator *::before,\n    #calculator *::after {\n      box-sizing: border-box;\n    }\n    #calculator h2 {\n      margin: 0 0 18px;\n      font-size: 20px;\n      color: #222;\n      font-weight: 700;\n    }\n    #calculator .form-group {\n      margin-bottom: 14px;\n      display: flex;\n      flex-direction: column;\n    }\n    #calculator label {\n      margin-bottom: 5px;\n      font-size: 14px;\n      font-weight: 600;\n      color: #222;\n    }\n    #calculator input[type=\"number\"],\n    #calculator select {\n      width: 100%;\n      height: 36px;\n      padding: 0 10px;\n      border: 1px solid #ccc;\n      border-radius: 0;\n      font-size: 16px;\n      background: #ffffff;\n      outline: none;\n      transition: border-color 0.2s ease, border-width 0.2s ease;\n    }\n    #calculator input:focus,\n    #calculator select:focus {\n      border-color: var(--primary-color);\n      border-width: 2px;\n    }\n    #calculator input.error,\n    #calculator select.error {\n      border-color: var(--error-color);\n      border-width: 2px;\n    }\n    #calculator .error-msg {\n      margin-top: 4px;\n      font-size: 12px;\n      color: var(--error-color);\n      display: none;\n    }\n    #calculator .tool-link {\n      margin-top: 8px;\n      font-size: 13px;\n    }\n    #calculator .tool-link a {\n      color: var(--primary-color);\n      text-decoration: none;\n      display: inline-block;\n    }\n    #calculator .tool-link a:hover {\n      text-decoration: underline;\n    }\n    #calculator .button-group {\n      display: flex;\n      gap: 12px;\n      margin: 18px 0;\n    }\n    #calculator button {\n      height: 34px;\n      line-height: 34px;\n      padding: 0 22px;\n      border-radius: 0;\n      border: none;\n      font-size: 14px;\n      cursor: pointer;\n      transition: background 0.2s ease;\n    }\n    #calculator .btn-primary {\n      background: var(--primary-color);\n      color: #ffffff;\n    }\n    #calculator .btn-primary:hover {\n      background: var(--primary-hover);\n    }\n    #calculator .btn-secondary {\n      background: #ffffff;\n      color: var(--text-color);\n      border: 1px solid #ccc;\n    }\n    #calculator .btn-secondary:hover {\n      background: #f5f5f5;\n    }\n    #calculator .result-box {\n      padding: 16px;\n      background: #ffffff;\n      border: 1px solid #d0d7e2;\n    }\n    #calculator .result-label {\n      font-size: 14px;\n      margin-bottom: 4px;\n    }\n    #calculator .result-value {\n      font-size: 40px;\n      font-weight: 700;\n      color: var(--primary-color);\n      margin: 4px 0 12px;\n      line-height: 1.2;\n    }\n    #calculator .result-subvalue {\n      font-size: 16px;\n      font-weight: 600;\n      margin-bottom: 8px;\n    }\n    #calculator .result-status {\n      font-size: 14px;\n      font-weight: 500;\n    }\n    #calculator .result-status.pass {\n      color: #007733;\n      font-weight: 600;\n    }\n    #calculator .result-status.fail {\n      color: var(--error-color);\n      font-weight: 600;\n    }\n\n    @media (max-width: 768px) {\n      #calculator {\n        padding: 20px;\n      }\n      #calculator input[type=\"number\"],\n      #calculator select {\n        height: 0.7rem;\n        font-size: 0.28rem;\n      }\n      #calculator label,\n      #calculator button,\n      #calculator .result-label,\n      #calculator .result-status {\n        font-size: 0.28rem;\n      }\n      #calculator .result-value {\n        font-size: 0.6rem;\n      }\n      #calculator .button-group {\n        flex-direction: column;\n        gap: 10px;\n      }\n      #calculator .button-group button {\n        width: 100%;\n        height: 0.7rem;\n        line-height: 0.7rem;\n      }\n    }\n  <\/style>\n\n\n  <div class=\"form-group\">\n    <label for=\"calculator-breakingForce\">Force de rupture minimale requise (kN)<\/label>\n    <input type=\"number\" id=\"calculator-breakingForce\" step=\"0.01\" min=\"0\" placeholder=\"par exemple 120\">\n    <div class=\"error-msg\" id=\"calculator-breakingForce-error\"><\/div>\n    <div class=\"tool-link\">\n      <a href=\"https:\/\/www.dgcrane.com\/fr\/crane-wire-rope-minimum-breaking-load-calculator\/\" target=\"_blank\" rel=\"noopener noreferrer\">\n        \u2192 Calculateur de charge de rupture minimale pour c\u00e2bles de grue\n      <\/a>\n    <\/div>\n  <\/div>\n\n  <div class=\"form-group\">\n    <label for=\"calculator-construction\">Construction de cordes<\/label>\n    <select id=\"calculator-construction\">\n      <optgroup label=\"6\u00d77 Series\">\n        <option value=\"6x7\">6\u00d77<\/option>\n        <option value=\"6x9W\">6\u00d79W<\/option>\n      <\/optgroup>\n      <optgroup label=\"6\u00d719 Series\">\n        <option value=\"6x19S\">6\u00d719S<\/option>\n        <option value=\"6x19W\" selected>6\u00d719W<\/option>\n        <option value=\"6x25Fi\">6\u00d725Fi<\/option>\n      <\/optgroup>\n      <optgroup label=\"6\u00d737 Series\">\n        <option value=\"6x25Fi\">6\u00d725Fi<\/option>\n        <option value=\"6x26WS\">6\u00d726WS<\/option>\n        <option value=\"6x29Fi\">6\u00d729Fi<\/option>\n      <\/optgroup>\n      <optgroup label=\"8\u00d719 Series\">\n        <option value=\"8x19S\">8\u00d719S<\/option>\n        <option value=\"8x19W\">8\u00d719W<\/option>\n        <option value=\"8x25Fi\">8\u00d725Fi<\/option>\n      <\/optgroup>\n      <optgroup label=\"8\u00d737 Series\">\n        <option value=\"8x25Fi\">8\u00d725Fi<\/option>\n        <option value=\"8x26WS\">8\u00d726WS<\/option>\n        <option value=\"8x31WS\">8\u00d731WS<\/option>\n      <\/optgroup>\n      <optgroup label=\"18\u00d77 \/ 18\u00d719 Series\">\n        <option value=\"17x7\">17\u00d77<\/option>\n        <option value=\"18x7\">18\u00d77<\/option>\n        <option value=\"18x19S\">18\u00d719S<\/option>\n      <\/optgroup>\n      <optgroup label=\"35W\u00d77 Compacted Series\">\n        <option value=\"35Wx7\">35W\u00d77<\/option>\n        <option value=\"24Wx7\">24W\u00d77<\/option>\n      <\/optgroup>\n      <optgroup label=\"6VX V-shaped Strand Series\">\n        <option value=\"6vx18\">6VX18<\/option>\n        <option value=\"6vx19\">6VX19<\/option>\n        <option value=\"6vx21\">6VX21<\/option>\n      <\/optgroup>\n      <optgroup label=\"6VX37 V-shaped Strand Series\">\n        <option value=\"6vx34\">6VX34<\/option>\n        <option value=\"6vx37\">6VX37<\/option>\n        <option value=\"6vx37S\">6VX37S<\/option>\n      <\/optgroup>\n      <optgroup label=\"4VX Fan-shaped Strand Series\">\n        <option value=\"4vx39S\">4VX39S<\/option>\n        <option value=\"4vx48S\">4VX48S<\/option>\n      <\/optgroup>\n      <optgroup label=\"6QX+6VX Compound Series\">\n        <option value=\"6qx19+6vx21\">6QX19 + 6VX21<\/option>\n        <option value=\"6qx33+6vx21\">6QX33 + 6VX21<\/option>\n      <\/optgroup>\n    <\/select>\n  <\/div>\n\n  <div class=\"form-group\">\n    <label for=\"calculator-core\">Type de noyau<\/label>\n    <select id=\"calculator-core\">\n      <option value=\"FC\" selected>Noyau de fibre (FC)<\/option>\n      <option value=\"IWR\">Noyau en acier (IWR \/ IWS)<\/option>\n    <\/select>\n  <\/div>\n\n  <div class=\"form-group\">\n    <label for=\"calculator-tensile\">R\u00e9sistance \u00e0 la traction nominale (MPa)<\/label>\n    <select id=\"calculator-tensile\">\n      <option value=\"1570\">1570<\/option>\n      <option value=\"1670\">1670<\/option>\n      <option value=\"1770\" selected>1770<\/option>\n      <option value=\"1870\">1870<\/option>\n      <option value=\"1960\">1960<\/option>\n    <\/select>\n  <\/div>\n\n  <div class=\"button-group\">\n    <button type=\"button\" id=\"calculator-calculate\" class=\"btn-primary\">Calculer<\/button>\n    <button type=\"button\" id=\"calculator-reset\" class=\"btn-secondary\">R\u00e9initialiser<\/button>\n  <\/div>\n\n  <div class=\"result-box\">\n    <div class=\"result-label\">Diam\u00e8tre nominal minimal recommand\u00e9\u00a0:<\/div>\n    <div class=\"result-value\" id=\"calculator-resultDiameter\">\u2013 mm<\/div>\n    <div class=\"result-label\">Force de rupture standard correspondante\u00a0:<\/div>\n    <div class=\"result-subvalue\" id=\"calculator-resultForce\">\u2013 kN<\/div>\n    <div class=\"result-status\" id=\"calculator-resultStatus\"><\/div>\n  <\/div>\n\n  <script>\n    (function () {\n      \/\/ ========== Dataset (GB 8918-2006, top 3 structures per class) ==========\n      const ropeDatabase = {\n        \/\/ 6\u00d77 Series\n        \"6x7+FC\": {\n          1570: {8:33.4, 10:52.1, 12:75.1, 14:102, 16:133, 18:169, 20:208, 22:252, 24:300, 26:352, 28:409, 30:469, 32:534, 36:676},\n          1670: {8:35.5, 10:55.4, 12:79.8, 14:110, 16:144, 18:183, 20:225, 22:273, 24:325, 26:381, 28:442, 30:507, 32:577, 36:730},\n          1770: {8:37.6, 10:58.8, 12:84.6, 14:115, 16:153, 18:194, 20:240, 22:290, 24:345, 26:405, 28:470, 30:540, 32:614, 36:777},\n          1870: {8:39.7, 10:62.1, 12:89.4, 14:122, 16:163, 18:206, 20:254, 22:308, 24:358, 26:420, 28:487, 30:559, 32:636, 36:805},\n          1960: {8:43.0, 10:67.1, 12:96.7, 14:132, 16:172, 18:218, 20:269, 22:325, 24:387, 26:454, 28:526, 30:604, 32:687, 36:870}\n        },\n        \"6x7+IWR\": {\n          1570: {8:36.1, 10:56.4, 12:81.2, 14:110, 16:144, 18:180, 20:222, 22:268, 24:319, 26:375, 28:435, 30:499, 32:568, 36:719},\n          1670: {8:38.4, 10:60.0, 12:86.3, 14:118, 16:153, 18:194, 20:240, 22:290, 24:345, 26:405, 28:470, 30:540, 32:614, 36:779},\n          1770: {8:40.7, 10:63.5, 12:91.5, 14:125, 16:163, 18:206, 20:254, 22:308, 24:366, 26:430, 28:498, 30:572, 32:651, 36:824},\n          1870: {8:43.0, 10:67.1, 12:96.7, 14:132, 16:172, 18:218, 20:269, 22:325, 24:387, 26:454, 28:526, 30:604, 32:687, 36:912},\n          1960: {8:45.0, 10:70.4, 12:101, 14:138, 16:180, 18:228, 20:281, 22:341, 24:405, 26:476, 28:552, 30:633, 32:721, 36:912}\n        },\n        \"6x9W+FC\": {\n          1570: {14:102, 16:133, 18:169, 20:208, 22:252, 24:300, 26:352, 28:409, 30:469, 32:534, 36:676},\n          1670: {14:110, 16:144, 18:183, 20:225, 22:273, 24:325, 26:381, 28:442, 30:507, 32:577, 36:730},\n          1770: {14:118, 16:153, 18:194, 20:240, 22:290, 24:345, 26:405, 28:470, 30:540, 32:614, 36:777},\n          1870: {14:125, 16:163, 18:206, 20:254, 22:308, 24:358, 26:420, 28:487, 30:559, 32:636, 36:805},\n          1960: {14:132, 16:172, 18:218, 20:269, 22:325, 24:387, 26:454, 28:526, 30:604, 32:687, 36:870}\n        },\n\n        \/\/ 6\u00d719 Series\n        \"6x19S+FC\": {\n          1570: {12:75.1, 14:102, 16:133, 18:168, 20:207, 22:251, 24:298, 26:350, 28:406, 30:466, 32:531, 36:671},\n          1670: {12:79.8, 14:110, 16:143, 18:181, 20:224, 22:271, 24:322, 26:378, 28:438, 30:503, 32:572, 36:724},\n          1770: {12:84.6, 14:117, 16:152, 18:193, 20:238, 22:288, 24:342, 26:402, 28:466, 30:535, 32:609, 36:770},\n          1870: {12:89.4, 14:124, 16:161, 18:204, 20:252, 22:304, 24:363, 26:426, 28:494, 30:567, 32:645, 36:817},\n          1960: {12:94.0, 14:130, 16:170, 18:216, 20:266, 22:322, 24:383, 26:450, 28:522, 30:599, 32:682, 36:863}\n        },\n        \"6x19W+FC\": {\n          1570: {12:75.1, 14:102, 16:133, 18:168, 20:207, 22:251, 24:298, 26:350, 28:406, 30:466, 32:531, 36:671, 40:829},\n          1670: {12:79.8, 14:110, 16:143, 18:181, 20:224, 22:271, 24:322, 26:378, 28:438, 30:503, 32:572, 36:724, 40:894},\n          1770: {12:84.6, 14:117, 16:152, 18:193, 20:238, 22:288, 24:342, 26:402, 28:466, 30:535, 32:609, 36:770, 40:951},\n          1870: {12:89.4, 14:124, 16:161, 18:204, 20:252, 22:304, 24:363, 26:426, 28:494, 30:567, 32:645, 36:817, 40:1010},\n          1960: {12:94.0, 14:130, 16:170, 18:216, 20:266, 22:322, 24:383, 26:450, 28:522, 30:599, 32:682, 36:863, 40:1070}\n        },\n        \"6x25Fi+FC\": {\n          1570: {12:74.6, 14:102, 16:133, 18:168, 20:207, 22:251, 24:298, 26:350, 28:406, 30:466, 32:531, 36:671},\n          1670: {12:80.5, 14:110, 16:143, 18:181, 20:224, 22:271, 24:322, 26:378, 28:438, 30:503, 32:572, 36:724},\n          1770: {12:85.6, 14:117, 16:152, 18:193, 20:238, 22:288, 24:342, 26:402, 28:466, 30:535, 32:609, 36:770},\n          1870: {12:90.7, 14:124, 16:161, 18:204, 20:252, 22:304, 24:363, 26:426, 28:494, 30:567, 32:645, 36:817},\n          1960: {12:95.9, 14:131, 16:170, 18:216, 20:266, 22:322, 24:383, 26:450, 28:522, 30:599, 32:682, 36:863}\n        },\n\n        \/\/ 8\u00d719 Series\n        \"8x19S+FC\": {\n          1570: {18:149, 20:184, 22:223, 24:265, 26:311, 28:361, 30:414, 32:471, 36:596, 40:736},\n          1670: {18:159, 20:196, 22:237, 24:282, 26:331, 28:384, 30:440, 32:501, 36:634, 40:783},\n          1770: {18:176, 20:217, 22:263, 24:313, 26:367, 28:426, 30:489, 32:556, 36:704, 40:869},\n          1870: {18:187, 20:231, 22:280, 24:333, 26:391, 28:453, 30:520, 32:592, 36:749, 40:925},\n          1960: {18:198, 20:245, 22:296, 24:353, 26:414, 28:480, 30:551, 32:627, 36:794, 40:980}\n        },\n        \"8x19W+FC\": {\n          1570: {18:149, 20:184, 22:223, 24:265, 26:311, 28:361, 30:414, 32:471, 36:596, 40:736},\n          1670: {18:159, 20:196, 22:237, 24:282, 26:331, 28:384, 30:440, 32:501, 36:634, 40:783},\n          1770: {18:176, 20:217, 22:263, 24:313, 26:367, 28:426, 30:489, 32:556, 36:704, 40:869},\n          1870: {18:187, 20:231, 22:280, 24:333, 26:391, 28:453, 30:520, 32:592, 36:749, 40:925},\n          1960: {18:198, 20:245, 22:296, 24:353, 26:414, 28:480, 30:551, 32:627, 36:794, 40:980}\n        },\n        \"8x25Fi+FC\": {\n          1570: {16:91.4, 18:116, 20:143, 22:173, 24:206, 26:241, 28:280, 30:321, 32:366, 36:463, 40:571},\n          1670: {16:98.5, 18:125, 20:155, 22:188, 24:223, 26:261, 28:303, 30:347, 32:396, 36:500, 40:616},\n          1770: {16:106, 18:134, 20:166, 22:202, 24:240, 26:281, 28:326, 30:374, 32:427, 36:540, 40:664},\n          1870: {16:113, 18:143, 20:177, 22:216, 24:257, 26:300, 28:348, 30:399, 32:456, 36:577, 40:709},\n          1960: {16:120, 18:152, 20:188, 22:230, 24:273, 26:319, 28:370, 30:424, 32:485, 36:614, 40:755}\n        },\n\n        \/\/ 18\u00d77 Series\n        \"17x7+FC\": {\n          1570: {12:56.2, 14:76.4, 16:99.8, 18:126, 20:156, 22:189, 24:225, 26:264, 28:306, 30:351, 32:399, 36:505, 40:624},\n          1670: {12:61.9, 14:84.3, 16:110, 18:139, 20:172, 22:208, 24:248, 26:291, 28:337, 30:387, 32:440, 36:557, 40:688},\n          1770: {12:70.1, 14:95.4, 16:125, 18:158, 20:195, 22:236, 24:280, 26:329, 28:382, 30:438, 32:498, 36:631, 40:779},\n          1870: {12:74.5, 14:101, 16:132, 18:167, 20:206, 22:249, 24:297, 26:348, 28:404, 30:463, 32:527, 36:667, 40:824},\n          1960: {12:78.9, 14:107, 16:140, 18:177, 20:219, 22:265, 24:316, 26:370, 28:429, 30:493, 32:561, 36:710, 40:876}\n        },\n        \"18x7+FC\": {\n          1570: {12:56.2, 14:76.4, 16:99.8, 18:126, 20:156, 22:189, 24:225, 26:264, 28:306, 30:351, 32:399, 36:505, 40:624},\n          1670: {12:61.9, 14:84.3, 16:110, 18:139, 20:172, 22:208, 24:248, 26:291, 28:337, 30:387, 32:440, 36:557, 40:688},\n          1770: {12:70.1, 14:95.4, 16:125, 18:158, 20:195, 22:236, 24:280, 26:329, 28:382, 30:438, 32:498, 36:631, 40:779},\n          1870: {12:74.5, 14:101, 16:132, 18:167, 20:206, 22:249, 24:297, 26:348, 28:404, 30:463, 32:527, 36:667, 40:824},\n          1960: {12:78.9, 14:107, 16:140, 18:177, 20:219, 22:265, 24:316, 26:370, 28:429, 30:493, 32:561, 36:710, 40:876}\n        },\n        \"18x19S+FC\": {\n          1570: {24:225, 26:264, 28:306, 30:351, 32:399, 36:505, 40:624, 44:755, 48:899, 52:1050, 56:1220, 60:1400},\n          1670: {24:248, 26:291, 28:337, 30:387, 32:440, 36:557, 40:688, 44:832, 48:991, 52:1160, 56:1350, 60:1550},\n          1770: {24:280, 26:329, 28:382, 30:438, 32:498, 36:631, 40:779, 44:942, 48:1120, 52:1320, 56:1530, 60:1750},\n          1870: {24:297, 26:348, 28:404, 30:463, 32:527, 36:667, 40:824, 44:997, 48:1190, 52:1390, 56:1610, 60:1850},\n          1960: {24:316, 26:370, 28:429, 30:493, 32:561, 36:710, 40:876, 44:1060, 48:1260, 52:1480, 56:1720, 60:1970}\n        },\n\n        \/\/ V-strand 6VX Series\n        \"6vx18+FC\": {\n          1570: {20:203, 22:246, 24:293, 26:344, 28:399, 30:458, 32:521, 34:588, 36:659},\n          1670: {20:216, 22:261, 24:311, 26:365, 28:423, 30:486, 32:553, 34:624, 36:700},\n          1770: {20:230, 22:278, 24:331, 26:388, 28:450, 30:517, 32:588, 34:664, 36:744},\n          1870: {20:243, 22:295, 24:351, 26:411, 28:477, 30:548, 32:623, 34:703, 36:789},\n          1960: {20:257, 22:311, 24:370, 26:435, 28:504, 30:579, 32:658, 34:743, 36:833}\n        },\n        \"6vx19+FC\": {\n          1570: {20:203, 22:246, 24:293, 26:344, 28:399, 30:458, 32:521, 34:588, 36:659},\n          1670: {20:216, 22:261, 24:311, 26:365, 28:423, 30:486, 32:553, 34:624, 36:700},\n          1770: {20:230, 22:278, 24:331, 26:388, 28:450, 30:517, 32:588, 34:664, 36:744},\n          1870: {20:243, 22:295, 24:351, 26:411, 28:477, 30:548, 32:623, 34:703, 36:789},\n          1960: {20:257, 22:311, 24:370, 26:435, 28:504, 30:579, 32:658, 34:743, 36:833}\n        },\n        \"6vx21+FC\": {\n          1570: {18:162, 20:203, 22:246, 24:293, 26:344, 28:399, 30:458, 32:521, 34:588, 36:659},\n          1670: {18:174, 20:216, 22:261, 24:311, 26:365, 28:423, 30:486, 32:553, 34:624, 36:700},\n          1770: {18:185, 20:230, 22:278, 24:331, 26:388, 28:450, 30:517, 32:588, 34:664, 36:744},\n          1870: {18:196, 20:243, 22:295, 24:351, 26:411, 28:477, 30:548, 32:623, 34:703, 36:789},\n          1960: {18:207, 20:257, 22:311, 24:370, 26:435, 28:504, 30:579, 32:658, 34:743, 36:833}\n        }\n      };\n\n      \/\/ ========== DOM Elements ==========\n      const inputF0 = document.getElementById('calculator-breakingForce');\n      const errorF0 = document.getElementById('calculator-breakingForce-error');\n      const selectConstruction = document.getElementById('calculator-construction');\n      const selectCore = document.getElementById('calculator-core');\n      const selectTensile = document.getElementById('calculator-tensile');\n      const btnCalculate = document.getElementById('calculator-calculate');\n      const btnReset = document.getElementById('calculator-reset');\n      const resultDiameter = document.getElementById('calculator-resultDiameter');\n      const resultForce = document.getElementById('calculator-resultForce');\n      const resultStatus = document.getElementById('calculator-resultStatus');\n\n      \/\/ ========== Default Values ==========\n      const defaultValues = {\n        breakingForce: '',\n        construction: '6x19W',\n        core: 'FC',\n        tensile: '1770'\n      };\n\n      \/\/ ========== Core Functions ==========\n      function setError(fieldId, message) {\n        const input = document.getElementById('calculator-' + fieldId);\n        const error = document.getElementById('calculator-' + fieldId + '-error');\n        input.classList.add('error');\n        error.textContent = message;\n        error.style.display = 'block';\n      }\n\n      function clearError(fieldId) {\n        const input = document.getElementById('calculator-' + fieldId);\n        const error = document.getElementById('calculator-' + fieldId + '-error');\n        input.classList.remove('error');\n        error.textContent = '';\n        error.style.display = 'none';\n      }\n\n      function validateInput() {\n        const value = parseFloat(inputF0.value);\n        clearError('breakingForce');\n\n        if (isNaN(value) || value <= 0) {\n          setError('breakingForce', 'Please enter a valid number greater than 0');\n          return false;\n        }\n        return true;\n      }\n\n      function calculateDiameter() {\n        if (!validateInput()) {\n          resultDiameter.textContent = '\u2013 mm';\n          resultForce.textContent = '\u2013 kN';\n          resultStatus.textContent = 'Invalid input';\n          resultStatus.className = 'result-status fail';\n          return;\n        }\n\n        const targetF0 = parseFloat(inputF0.value);\n        const construction = selectConstruction.value;\n        const core = selectCore.value;\n        const tensile = parseInt(selectTensile.value);\n        const dbKey = construction + '+' + core;\n\n        if (!ropeDatabase[dbKey]) {\n          resultDiameter.textContent = '\u2013';\n          resultForce.textContent = '\u2013';\n          resultStatus.textContent = 'This core type is not available for selected construction';\n          resultStatus.className = 'result-status fail';\n          return;\n        }\n\n        const dataSet = ropeDatabase[dbKey][tensile];\n        const diameters = Object.keys(dataSet).map(Number).sort(function (a, b) { return a - b; });\n\n        let matchedDiameter = null;\n        let matchedF0 = null;\n\n        for (let i = 0; i < diameters.length; i++) {\n          const d = diameters[i];\n          if (dataSet[d] >= targetF0) {\n            matchedDiameter = d;\n            matchedF0 = dataSet[d];\n            break;\n          }\n        }\n\n        if (matchedDiameter !== null) {\n          resultDiameter.textContent = matchedDiameter.toFixed(2) + ' mm';\n          resultForce.textContent = matchedF0.toFixed(2) + ' kN';\n          resultStatus.textContent = '\u2713 Meets required breaking force';\n          resultStatus.className = 'result-status pass';\n        } else {\n          const maxD = diameters[diameters.length - 1];\n          const maxF0 = dataSet[maxD];\n          resultDiameter.textContent = 'Out of range';\n          resultForce.textContent = 'Max. ' + maxF0.toFixed(2) + ' kN @ ' + maxD.toFixed(2) + ' mm';\n          resultStatus.textContent = '\u2717 Exceeds maximum available specification';\n          resultStatus.className = 'result-status fail';\n        }\n      }\n\n      function resetCalculator() {\n        inputF0.value = defaultValues.breakingForce;\n        selectConstruction.value = defaultValues.construction;\n        selectCore.value = defaultValues.core;\n        selectTensile.value = defaultValues.tensile;\n        clearError('breakingForce');\n        resultDiameter.textContent = '\u2013 mm';\n        resultForce.textContent = '\u2013 kN';\n        resultStatus.textContent = 'Please input parameters and calculate';\n        resultStatus.className = 'result-status';\n      }\n\n      \/\/ ========== Event Bindings ==========\n      inputF0.addEventListener('input', function () {\n        clearError('breakingForce');\n      });\n\n      btnCalculate.addEventListener('click', calculateDiameter);\n      btnReset.addEventListener('click', resetCalculator);\n\n      \/\/ URL parameter auto-fill\n      const params = new URLSearchParams(window.location.search);\n      if (params.has('f0')) {\n        inputF0.value = params.get('f0');\n      }\n    })();\n  <\/script>\n<\/div>\n\n\n\n<div style=\"height:28px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h2 class=\"wp-block-heading\">Mode d&#39;emploi<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">\u00c9tape 1\u00a0: Calculer la force de rupture minimale requise<\/h3>\n\n\n\n<p>Cliquez sur le lien situ\u00e9 sous la zone de saisie pour acc\u00e9der \u00e0 la section <a href=\"https:\/\/www.dgcrane.com\/fr\/crane-wire-rope-minimum-breaking-load-calculator\/\">Calculateur de charge de rupture minimale pour c\u00e2bles de grue<\/a>Saisissez les param\u00e8tres de fonctionnement \u00e9tape par \u00e9tape pour obtenir la force de freinage minimale requise pour vos conditions de travail.<\/p>\n\n\n\n<p>Cette \u00e9tape convertit les exigences relatives aux conditions de travail \u2014 y compris la charge nominale, le rapport de poulie et la classe de service \u2014 en l&#39;indice de r\u00e9sistance requis pour le dimensionnement des c\u00e2bles m\u00e9talliques, qui sert de base d&#39;entr\u00e9e \u00e0 cet outil de s\u00e9lection.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u00c9tape 2\u00a0: Faire correspondre et s\u00e9lectionner le diam\u00e8tre nominal du c\u00e2ble m\u00e9tallique<\/h3>\n\n\n\n<p>Saisissez la valeur de la force de rupture obtenue \u00e0 l&#39;\u00e9tape pr\u00e9c\u00e9dente dans la zone de saisie Force de rupture minimale requise, puis s\u00e9lectionnez les trois param\u00e8tres suivants dans l&#39;ordre\u00a0:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Construction de cordes<\/strong>: S\u00e9lectionnez la structure de brin correspondante en fonction de votre sch\u00e9ma de conception ou des sp\u00e9cifications de l&#39;\u00e9quipement d&#39;origine (par exemple, brin rond 6\u00d719W, brin en forme de V 6VX, brin compact\u00e9 35W\u00d77, etc.).<\/li>\n\n\n\n<li><strong>Type de noyau<\/strong>: Choisissez entre \u00e2me en fibre (FC) ou \u00e2me en acier (IWR\/IWS)<\/li>\n\n\n\n<li><strong>R\u00e9sistance \u00e0 la traction nominale<\/strong>S\u00e9lectionnez la classe de r\u00e9sistance \u00e0 la traction nominale du c\u00e2ble m\u00e9tallique.<\/li>\n<\/ul>\n\n\n\n<p>Apr\u00e8s avoir confirm\u00e9 les param\u00e8tres, cliquez sur le bouton Calculer. L&#39;outil de s\u00e9lection du diam\u00e8tre du c\u00e2ble de grue s\u00e9lectionnera automatiquement le plus petit diam\u00e8tre nominal r\u00e9pondant aux exigences de force de rupture. <a href=\"https:\/\/www.dgcrane.com\/wp-content\/uploads\/2026\/10\/steel-wire-rope-for-important-purpose.pdf\">GB 8918-2006<\/a> (\u00e9quivalent \u00e0 la norme ISO 3154:1988). Il affichera \u00e9galement la force de rupture minimale standard du c\u00e2ble entier correspondant \u00e0 ce diam\u00e8tre, ainsi qu&#39;un r\u00e9sultat de v\u00e9rification indiquant si l&#39;exigence est satisfaite.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Notes<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Le diam\u00e8tre indiqu\u00e9 par cet outil est une valeur th\u00e9orique. Pour l&#39;achat et la pose sur site des c\u00e2bles m\u00e9talliques, veuillez s\u00e9lectionner le diam\u00e8tre standard commercial le plus proche.<\/li>\n\n\n\n<li>Pour les c\u00e2bles m\u00e9talliques destin\u00e9s \u00e0 des applications autres que le levage, comme les haubans statiques, les coefficients de s\u00e9curit\u00e9 requis diff\u00e8rent de ceux des c\u00e2bles de levage. N&#39;appliquez pas directement les r\u00e9sultats de cet outil de s\u00e9lection de c\u00e2bles m\u00e9talliques \u00e0 ces cas d&#39;utilisation.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">Produits concern\u00e9s<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Ponts roulants<\/li>\n\n\n\n<li>Grue Portique<\/li>\n\n\n\n<li>Grue Potence<\/li>\n\n\n\n<li>Ponts roulants de coul\u00e9e<\/li>\n\n\n\n<li>Portiques \u00e0 conteneurs<\/li>\n\n\n\n<li>Treuils \u00c9lectriques \u00c0 C\u00e2ble<\/li>\n\n\n\n<li>Treuils \u00e9lectriques<\/li>\n<\/ul>","protected":false},"excerpt":{"rendered":"Cet outil de s\u00e9lection du diam\u00e8tre des c\u00e2bles pour grues d\u00e9termine automatiquement le diam\u00e8tre minimal requis pour la r\u00e9sistance au levage, en fonction de la force de rupture minimale, de la r\u00e9sistance \u00e0 la traction nominale, de la construction du c\u00e2ble et du type d&#39;\u00e2me. Un diam\u00e8tre insuffisant entra\u00eene une force de rupture trop faible, provoquant la rupture du c\u00e2ble et, par cons\u00e9quent, la chute de la charge, des dommages mat\u00e9riels et des accidents. \u00c0 l&#39;inverse, un diam\u00e8tre excessif augmente la charge sur les tambours, les poulies et les m\u00e9canismes de levage, accro\u00eet les co\u00fbts d&#39;acquisition et aggrave l&#39;usure des m\u00e9canismes. Cet outil facilite la s\u00e9lection et la v\u00e9rification des c\u00e2bles pour les \u00e9quipes de conception, d&#39;acquisition et les autres intervenants, garantissant ainsi la s\u00e9curit\u00e9, la conformit\u00e9 et la rentabilit\u00e9 des op\u00e9rations de levage.","protected":false},"author":8,"featured_media":17416,"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-17406","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-online-tools"],"acf":[],"_links":{"self":[{"href":"https:\/\/www.dgcrane.com\/fr\/wp-json\/wp\/v2\/posts\/17406"}],"collection":[{"href":"https:\/\/www.dgcrane.com\/fr\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.dgcrane.com\/fr\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.dgcrane.com\/fr\/wp-json\/wp\/v2\/users\/8"}],"replies":[{"embeddable":true,"href":"https:\/\/www.dgcrane.com\/fr\/wp-json\/wp\/v2\/comments?post=17406"}],"version-history":[{"count":12,"href":"https:\/\/www.dgcrane.com\/fr\/wp-json\/wp\/v2\/posts\/17406\/revisions"}],"predecessor-version":[{"id":17423,"href":"https:\/\/www.dgcrane.com\/fr\/wp-json\/wp\/v2\/posts\/17406\/revisions\/17423"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.dgcrane.com\/fr\/wp-json\/wp\/v2\/media\/17416"}],"wp:attachment":[{"href":"https:\/\/www.dgcrane.com\/fr\/wp-json\/wp\/v2\/media?parent=17406"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.dgcrane.com\/fr\/wp-json\/wp\/v2\/categories?post=17406"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.dgcrane.com\/fr\/wp-json\/wp\/v2\/tags?post=17406"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}