{"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\/da\/crane-wire-rope-diameter-selection-tool\/","title":{"rendered":"V\u00e6rkt\u00f8j til valg af kranwirediameter"},"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\">P\u00e5kr\u00e6vet minimumsbrydekraft (kN)<\/label>\n    <input type=\"number\" id=\"calculator-breakingForce\" step=\"0.01\" min=\"0\" placeholder=\"f.eks. 120\">\n    <div class=\"error-msg\" id=\"calculator-breakingForce-error\"><\/div>\n    <div class=\"tool-link\">\n      <a href=\"https:\/\/www.dgcrane.com\/da\/crane-wire-rope-minimum-breaking-load-calculator\/\" target=\"_blank\" rel=\"noopener noreferrer\">\n        \u2192 Beregner for minimum brudbelastning af kranwire\n      <\/a>\n    <\/div>\n  <\/div>\n\n  <div class=\"form-group\">\n    <label for=\"calculator-construction\">Rebkonstruktion<\/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\">Kernetype<\/label>\n    <select id=\"calculator-core\">\n      <option value=\"FC\" selected>Fiberkerne (FC)<\/option>\n      <option value=\"IWR\">St\u00e5lkerne (IWR \/ IWS)<\/option>\n    <\/select>\n  <\/div>\n\n  <div class=\"form-group\">\n    <label for=\"calculator-tensile\">Nominel tr\u00e6kstyrke (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\">Beregne<\/button>\n    <button type=\"button\" id=\"calculator-reset\" class=\"btn-secondary\">Nulstil<\/button>\n  <\/div>\n\n  <div class=\"result-box\">\n    <div class=\"result-label\">Anbefalet minimum nominel diameter:<\/div>\n    <div class=\"result-value\" id=\"calculator-resultDiameter\">\u2013 mm<\/div>\n    <div class=\"result-label\">Tilsvarende standard brydekraft:<\/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\">Brugsanvisning<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">Trin 1: Beregn den n\u00f8dvendige minimumsbrydekraft<\/h3>\n\n\n\n<p>Klik p\u00e5 linket under inputfeltet for at navigere til <a href=\"https:\/\/www.dgcrane.com\/da\/crane-wire-rope-minimum-breaking-load-calculator\/\">Beregner for minimum brudbelastning af kranwire<\/a>Indtast driftsparametrene trin for trin for at udlede den minimale brudstyrke, der kr\u00e6ves til dine arbejdsforhold.<\/p>\n\n\n\n<p>Dette trin konverterer krav til driftsforhold \u2014 inklusive nominel belastning, skiveblokforhold og driftsklasse \u2014 til det styrkeindeks, der kr\u00e6ves til st\u00e5lwiredimensionering, hvilket tjener som inputgrundlag for dette udv\u00e6lgelsesv\u00e6rkt\u00f8j.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Trin 2: Match og v\u00e6lg den nominelle st\u00e5lwirediameter<\/h3>\n\n\n\n<p>Indtast v\u00e6rdien for den brudstyrke, der blev opn\u00e5et fra det foreg\u00e5ende trin, i indtastningsfeltet &quot;Kr\u00e6vet minimum brudstyrke&quot;, og v\u00e6lg derefter f\u00f8lgende tre parametre i r\u00e6kkef\u00f8lge:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Rebkonstruktion<\/strong>V\u00e6lg den tilsvarende tr\u00e5dstruktur i henhold til dit designskema eller den originale udstyrsspecifikation (f.eks. 6\u00d719W rund tr\u00e5d, 6VX V-formet tr\u00e5d, 35W\u00d77 komprimeret tr\u00e5d osv.)<\/li>\n\n\n\n<li><strong>Kernetype<\/strong>V\u00e6lg fiberkerne (FC) eller st\u00e5lkerne (IWR\/IWS)<\/li>\n\n\n\n<li><strong>Nominel tr\u00e6kstyrke<\/strong>V\u00e6lg den nominelle tr\u00e6kstyrkeklasse for st\u00e5ltovet<\/li>\n<\/ul>\n\n\n\n<p>N\u00e5r du har bekr\u00e6ftet parametrene, skal du klikke p\u00e5 knappen Beregn. V\u00e6rkt\u00f8jet til valg af kranens st\u00e5lwirediameter matcher automatisk den mindste nominelle diameter, der opfylder kravet til brudkraft i <a href=\"https:\/\/www.dgcrane.com\/wp-content\/uploads\/2026\/10\/steel-wire-rope-for-important-purpose.pdf\">GB 8918-2006<\/a> (svarende til ISO 3154:1988). Den vil ogs\u00e5 vise den minimale standardbrudkraft for hele rebet svarende til denne diameter, sammen med et verifikationsresultat, der angiver, om kravet er opfyldt.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Noter<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Diameteren, som dette v\u00e6rkt\u00f8j m\u00e5ler, er en teoretisk beregnet v\u00e6rdi. Ved faktisk indk\u00f8b og installation af st\u00e5lwirer p\u00e5 stedet skal du v\u00e6lge den n\u00e6rmeste standard kommercielle diameterst\u00f8rrelse.<\/li>\n\n\n\n<li>For st\u00e5lwirer beregnet til ikke-hejseopgaver, s\u00e5som statiske stagwirer og barduner, er de n\u00f8dvendige sikkerhedsfaktorer forskellige fra dem, der g\u00e6lder for hejsetove. Anvend ikke resultaterne af dette v\u00e6rkt\u00f8j til udv\u00e6lgelse af st\u00e5lwirer direkte til s\u00e5danne anvendelser.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">G\u00e6ldende produkter<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li>L\u00f8ftekraner<\/li>\n\n\n\n<li>Gantry kraner<\/li>\n\n\n\n<li>Fokkekraner<\/li>\n\n\n\n<li>St\u00f8bning af traverskraner<\/li>\n\n\n\n<li>Container portalkraner<\/li>\n\n\n\n<li>Elektriske wirel\u00f8ftere<\/li>\n\n\n\n<li>Elektriske spil<\/li>\n<\/ul>","protected":false},"excerpt":{"rendered":"Dette v\u00e6rkt\u00f8j til valg af kranwirediameter matcher automatisk den minimale wirediameter, der opfylder kravene til hejsestyrke, baseret p\u00e5 den minimale brudstyrke, nominelle tr\u00e6kstyrke, wirekonstruktion og kernetype. En for lille diameter f\u00f8rer til utilstr\u00e6kkelig brudstyrke, hvilket resulterer i wirebrud eller wirebrud, hvilket kan for\u00e5rsage lastfald, udstyrsskader og personulykker. En for stor diameter \u00f8ger dog belastningen p\u00e5 tromler, skiver og hejsemekanismer, \u00f8ger omkostningerne ved anskaffelse af udstyr og forv\u00e6rrer risikoen for slid p\u00e5 mekanismen. Dette v\u00e6rkt\u00f8j hj\u00e6lper effektivt krandesign, anskaffelse og relateret personale med at fuldf\u00f8re udv\u00e6lgelse og verifikation af wirer, hvilket sikrer sikkerhed, overholdelse og omkostningseffektivitet ved kranhejseoperationer.","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\/da\/wp-json\/wp\/v2\/posts\/17406"}],"collection":[{"href":"https:\/\/www.dgcrane.com\/da\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.dgcrane.com\/da\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.dgcrane.com\/da\/wp-json\/wp\/v2\/users\/8"}],"replies":[{"embeddable":true,"href":"https:\/\/www.dgcrane.com\/da\/wp-json\/wp\/v2\/comments?post=17406"}],"version-history":[{"count":12,"href":"https:\/\/www.dgcrane.com\/da\/wp-json\/wp\/v2\/posts\/17406\/revisions"}],"predecessor-version":[{"id":17423,"href":"https:\/\/www.dgcrane.com\/da\/wp-json\/wp\/v2\/posts\/17406\/revisions\/17423"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.dgcrane.com\/da\/wp-json\/wp\/v2\/media\/17416"}],"wp:attachment":[{"href":"https:\/\/www.dgcrane.com\/da\/wp-json\/wp\/v2\/media?parent=17406"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.dgcrane.com\/da\/wp-json\/wp\/v2\/categories?post=17406"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.dgcrane.com\/da\/wp-json\/wp\/v2\/tags?post=17406"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}