{"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\/sw\/crane-wire-rope-diameter-selection-tool\/","title":{"rendered":"Zana ya Uteuzi wa Kipenyo cha Kamba ya Waya ya Crane"},"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\">Nguvu ya Chini ya Kuvunja Inayohitajika (kN)<\/label>\n    <input type=\"number\" id=\"calculator-breakingForce\" step=\"0.01\" min=\"0\" placeholder=\"mfano 120\">\n    <div class=\"error-msg\" id=\"calculator-breakingForce-error\"><\/div>\n    <div class=\"tool-link\">\n      <a href=\"https:\/\/www.dgcrane.com\/sw\/crane-wire-rope-minimum-breaking-load-calculator\/\" target=\"_blank\" rel=\"noopener noreferrer\">\n        \u2192 Kikokotoo cha Mzigo wa Kiwango cha Chini cha Kuvunja Kamba ya Waya ya Kreni\n      <\/a>\n    <\/div>\n  <\/div>\n\n  <div class=\"form-group\">\n    <label for=\"calculator-construction\">Ujenzi wa Kamba<\/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\">Aina ya Kiini<\/label>\n    <select id=\"calculator-core\">\n      <option value=\"FC\" selected>Kiini cha Nyuzinyuzi (FC)<\/option>\n      <option value=\"IWR\">Kiini cha Chuma (IWR \/ IWS)<\/option>\n    <\/select>\n  <\/div>\n\n  <div class=\"form-group\">\n    <label for=\"calculator-tensile\">Nguvu ya Kunyumbulika ya Nominal (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\">Hesabu<\/button>\n    <button type=\"button\" id=\"calculator-reset\" class=\"btn-secondary\">Weka upya<\/button>\n  <\/div>\n\n  <div class=\"result-box\">\n    <div class=\"result-label\">Kipenyo cha Chini cha Nomino Kinachopendekezwa:<\/div>\n    <div class=\"result-value\" id=\"calculator-resultDiameter\">\u2013 mm<\/div>\n    <div class=\"result-label\">Nguvu Sawa ya Kuvunja:<\/div>\n    <div class=\"result-subvalue\" id=\"calculator-resultForce\">- 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\">Maelekezo ya Matumizi<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">Hatua ya 1: Hesabu nguvu ya chini kabisa inayohitajika ya kuvunja<\/h3>\n\n\n\n<p>Bofya kiungo kilicho chini ya kisanduku cha kuingiza ili uende kwenye <a href=\"https:\/\/www.dgcrane.com\/sw\/crane-wire-rope-minimum-breaking-load-calculator\/\">Kikokotoo cha Mzigo wa Kiwango cha Chini cha Kuvunja Kamba ya Waya ya Kreni<\/a>Ingiza vigezo vya uendeshaji hatua kwa hatua ili kupata nguvu ya chini kabisa ya kuvunja inayohitajika kwa hali yako ya kufanya kazi.<\/p>\n\n\n\n<p>Hatua hii hubadilisha mahitaji ya hali ya kufanya kazi \u2014 ikiwa ni pamoja na mzigo uliokadiriwa, uwiano wa vitalu vya sheave na darasa la wajibu \u2014 kuwa faharisi ya nguvu inayohitajika kwa ukubwa wa kamba ya waya, ambayo hutumika kama msingi wa kuingiza zana hii ya uteuzi.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Hatua ya 2: Linganisha na uchague kipenyo cha kawaida cha kamba ya waya<\/h3>\n\n\n\n<p>Ingiza thamani ya nguvu ya kuvunja iliyopatikana kutoka hatua ya awali kwenye kisanduku cha kuingiza Nguvu ya Kuvunja ya Chini Kinachohitajika, kisha uchague vigezo vitatu vifuatavyo kwa mfuatano:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Ujenzi wa Kamba<\/strong>: Chagua muundo wa nyuzi unaolingana kulingana na mpango wako wa muundo au vipimo vya awali vya vifaa (km nyuzi ya duara ya 6\u00d719W, nyuzi yenye umbo la V ya 6VX, nyuzi iliyoganda ya 35W\u00d77, n.k.)<\/li>\n\n\n\n<li><strong>Aina ya Kiini<\/strong>: Chagua Kiini cha Nyuzinyuzi (FC) au Kiini cha Chuma (IWR\/IWS)<\/li>\n\n\n\n<li><strong>Nguvu ya Kukaza ya Majina<\/strong>: Chagua daraja la kawaida la nguvu ya mvutano wa kamba ya waya<\/li>\n<\/ul>\n\n\n\n<p>Baada ya kuthibitisha vigezo, bofya kitufe cha Hesabu. Kifaa cha kuchagua kipenyo cha kamba ya waya ya kreni kitalingana kiotomatiki na kipenyo kidogo zaidi kinachokidhi mahitaji ya nguvu ya kuvunja katika <a href=\"https:\/\/www.dgcrane.com\/wp-content\/uploads\/2026\/10\/steel-wire-rope-for-important-purpose.pdf\">GB 8918-2006<\/a> (sawa na ISO 3154:1988). Pia itaonyesha nguvu ya kawaida ya kuvunja kamba nzima inayolingana na kipenyo hiki, pamoja na matokeo ya uthibitishaji yanayoonyesha kama hitaji limetimizwa.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Vidokezo<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Kipenyo cha kipenyo kinachozalishwa na kifaa hiki ni thamani iliyohesabiwa kinadharia. Kwa ununuzi halisi na usakinishaji wa kamba za waya mahali pake, tafadhali chagua ukubwa wa kipenyo cha kawaida cha kibiashara ulio karibu zaidi.<\/li>\n\n\n\n<li>Kwa kamba za waya zilizokusudiwa kwa matumizi yasiyo ya kuinua kama vile nyaya za kutulia na kamba za guy, vipengele vya usalama vinavyohitajika hutofautiana na vile vya kamba za kuinua. Usitumie moja kwa moja matokeo ya zana hii ya uteuzi wa kamba za waya kwenye visa hivyo vya matumizi.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">Bidhaa Zinazotumika<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Cranes za Juu<\/li>\n\n\n\n<li>Kreni za Gantry<\/li>\n\n\n\n<li>Kreni za Jib<\/li>\n\n\n\n<li>Kreni za Kutupa Juu<\/li>\n\n\n\n<li>Kontena Gantry Cranes<\/li>\n\n\n\n<li>Vipandishi vya Kamba vya Waya za Umeme<\/li>\n\n\n\n<li>Winchi za Umeme<\/li>\n<\/ul>","protected":false},"excerpt":{"rendered":"Kifaa hiki cha kuchagua kipenyo cha kamba ya waya ya kreni hulingana kiotomatiki na kipenyo cha chini kabisa cha kamba ya waya kinachokidhi mahitaji ya nguvu ya kuinua kulingana na nguvu ya chini kabisa ya kuvunjika, nguvu ya kawaida ya mvutano, ujenzi wa kamba na aina ya msingi. Kipenyo kidogo husababisha nguvu ya kutosha ya kuvunjika, na kusababisha kuvunjika kwa waya au kuvunjika kwa kamba, ambayo inaweza kusababisha kushuka kwa mzigo, uharibifu wa vifaa na ajali za usalama binafsi. Hata hivyo, kipenyo kikubwa zaidi huongeza mzigo kwenye ngoma, miganda na mifumo ya kuinua, huongeza gharama za ununuzi wa vifaa na kuzidisha hatari za uchakavu wa mitambo. Kifaa hiki husaidia kwa ufanisi usanifu wa kreni, ununuzi na wafanyakazi wanaohusiana kukamilisha uteuzi na uthibitishaji wa kamba ya waya, kuhakikisha usalama, kufuata sheria na ufanisi wa gharama za shughuli za kuinua kreni.","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\/sw\/wp-json\/wp\/v2\/posts\/17406"}],"collection":[{"href":"https:\/\/www.dgcrane.com\/sw\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.dgcrane.com\/sw\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.dgcrane.com\/sw\/wp-json\/wp\/v2\/users\/8"}],"replies":[{"embeddable":true,"href":"https:\/\/www.dgcrane.com\/sw\/wp-json\/wp\/v2\/comments?post=17406"}],"version-history":[{"count":12,"href":"https:\/\/www.dgcrane.com\/sw\/wp-json\/wp\/v2\/posts\/17406\/revisions"}],"predecessor-version":[{"id":17423,"href":"https:\/\/www.dgcrane.com\/sw\/wp-json\/wp\/v2\/posts\/17406\/revisions\/17423"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.dgcrane.com\/sw\/wp-json\/wp\/v2\/media\/17416"}],"wp:attachment":[{"href":"https:\/\/www.dgcrane.com\/sw\/wp-json\/wp\/v2\/media?parent=17406"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.dgcrane.com\/sw\/wp-json\/wp\/v2\/categories?post=17406"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.dgcrane.com\/sw\/wp-json\/wp\/v2\/tags?post=17406"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}