{"id":11865,"date":"2026-06-30T05:59:36","date_gmt":"2026-06-30T05:59:36","guid":{"rendered":"https:\/\/www.kscranegroup.com\/?post_type=posts&#038;p=11865"},"modified":"2026-06-30T06:08:57","modified_gmt":"2026-06-30T06:08:57","slug":"overhead-crane-wire-rope-sizing-without-tables","status":"publish","type":"posts","link":"https:\/\/www.kscranegroup.com\/ja\/posts\/overhead-crane-wire-rope-sizing-without-tables\/","title":{"rendered":"\u5929\u4e95\u30af\u30ec\u30fc\u30f3\u7528\u30ef\u30a4\u30e4\u30fc\u30ed\u30fc\u30d7\u306e\u30b5\u30a4\u30ba\u9078\u5b9a\uff08\u8868\u4e0d\u8981\uff09\u2015\u73fe\u5834\u6280\u8853\u8005\u306b\u3088\u308b\u7c21\u6613\u8a08\u7b97\u5f0f"},"content":{"rendered":"<div class=\"wp-block-rank-math-toc-block\" id=\"rank-math-toc\"><p>\u76ee\u6b21<\/p><nav><ul><li><a href=\"#1-determine-the-overhead-crane-wire-rope-safety-factor\">1. \u5929\u4e95\u30af\u30ec\u30fc\u30f3\u306e\u30ef\u30a4\u30e4\u30fc\u30ed\u30fc\u30d7\u306e\u5b89\u5168\u7387\u3092\u6c7a\u5b9a\u3059\u308b<\/a><\/li><li><a href=\"#2-identify-the-overhead-crane-wire-rope-class\">2. \u5929\u4e95\u30af\u30ec\u30fc\u30f3\u7528\u30ef\u30a4\u30e4\u30fc\u30ed\u30fc\u30d7\u306e\u30af\u30e9\u30b9\u3092\u7279\u5b9a\u3059\u308b<\/a><ul><li><a href=\"#class-a-linear-contact-preferred-for-crane-hoisting\">\u30af\u30e9\u30b9A - \u76f4\u7dda\u63a5\u89e6\u578b\uff08\u30af\u30ec\u30fc\u30f3\u540a\u308a\u4e0a\u3052\u7528\u9014\u306b\u6700\u9069\uff09<\/a><\/li><li><a href=\"#class-b-point-contact-secondary-applications\">\u30af\u30e9\u30b9B \u2014 \u70b9\u63a5\u89e6\uff08\u4e8c\u6b21\u7528\u9014\uff09<\/a><\/li><\/ul><\/li><li><a href=\"#3-the-quick-diameter-formula-for-overhead-crane-wire-rope-sizing\">3. \u5929\u4e95\u30af\u30ec\u30fc\u30f3\u7528\u30ef\u30a4\u30e4\u30fc\u30ed\u30fc\u30d7\u306e\u30b5\u30a4\u30ba\u6c7a\u5b9a\u306e\u305f\u3081\u306e\u30af\u30a4\u30c3\u30af\u76f4\u5f84\u5f0f<\/a><ul><li><a href=\"#adjusting-for-different-tensile-grades\">\u7570\u306a\u308b\u5f15\u5f35\u5f37\u5ea6\u7b49\u7d1a\u3078\u306e\u5bfe\u5fdc<\/a><\/li><\/ul><\/li><li><a href=\"#4-rope-weight-estimation\">4. \u30ed\u30fc\u30d7\u306e\u91cd\u91cf\u63a8\u5b9a<\/a><\/li><li><a href=\"#5-back-calculating-capacity-from-an-existing-rope\">5. \u65e2\u5b58\u306e\u30ed\u30fc\u30d7\u304b\u3089\u5bb9\u91cf\u3092\u9006\u7b97\u3059\u308b<\/a><\/li><li><a href=\"#6-overhead-crane-wire-rope-end-termination-methods\">6. \u5929\u4e95\u30af\u30ec\u30fc\u30f3\u306e\u30ef\u30a4\u30e4\u30fc\u30ed\u30fc\u30d7\u7aef\u90e8\u51e6\u7406\u65b9\u6cd5<\/a><\/li><li><a href=\"#appendix-class-b-coefficients-point-contact-ropes\">\u4ed8\u9332\uff1a\u30af\u30e9\u30b9B\u4fc2\u6570\uff08\u70b9\u63a5\u89e6\u30ed\u30fc\u30d7\uff09<\/a><\/li><\/ul><\/nav><\/div>\n\n\n\n<p>\u73fe\u5834\u3084\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u4f1a\u8b70\u3067\u300cX\u30c8\u30f3\u306e\u540a\u308a\u4e0a\u3052\u306b\u5fc5\u8981\u306a\u5929\u4e95\u30af\u30ec\u30fc\u30f3\u7528\u30ef\u30a4\u30e4\u30fc\u30ed\u30fc\u30d7\u306e\u76f4\u5f84\u306f\u3069\u308c\u304f\u3089\u3044\u3067\u3059\u304b\uff1f\u300d\u3068\u805e\u304b\u308c\u305f\u5834\u5408\u3001GB\/T 20118\u3084ISO 2408\u304c\u624b\u5143\u306b\u306a\u3044\u304b\u3082\u3057\u308c\u307e\u305b\u3093\u3002\u3053\u306e\u8a18\u4e8b\u3067\u306f\u300190%\u3092\u8d85\u3048\u308b\u30af\u30ec\u30fc\u30f3\u540a\u308a\u4e0a\u3052\u7528\u9014\u3092\u30ab\u30d0\u30fc\u3059\u308b2\u3064\u306e\u30af\u30e9\u30b9\u30016\u00d719\u304a\u3088\u30736\u00d736\u306e\u5929\u4e95\u30af\u30ec\u30fc\u30f3\u7528\u30ef\u30a4\u30e4\u30fc\u30ed\u30fc\u30d7\u306b\u3064\u3044\u3066\u3001\u4fc2\u6570\u306b\u57fa\u3065\u3044\u305f\u7c21\u4fbf\u306a\u8a08\u7b97\u5f0f\u3092\u7d39\u4ecb\u3057\u307e\u3059\u3002\u3053\u306e\u65b9\u6cd5\u306f\u3001GB\/T 20118-2017\u898f\u683c\u8868\u3068\u7167\u5408\u3057\u3066\u691c\u8a3c\u6e08\u307f\u3067\u3001\u8aa4\u5dee\u7bc4\u56f2\u306f2%\u4ee5\u5185\u3067\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"1-determine-the-overhead-crane-wire-rope-safety-factor\">1. \u5929\u4e95\u30af\u30ec\u30fc\u30f3\u306e\u30ef\u30a4\u30e4\u30fc\u30ed\u30fc\u30d7\u306e\u5b89\u5168\u7387\u3092\u6c7a\u5b9a\u3059\u308b<\/h2>\n\n\n\n<p>\u5b89\u5168\u7387\u3068\u306f\u3001\u30ed\u30fc\u30d7\u306e\u6700\u5c0f\u7834\u65ad\u5f37\u5ea6\u3068\u7dcf\u4f7f\u7528\u8377\u91cd\u306e\u6bd4\u7387\u306e\u3053\u3068\u3067\u3042\u308b\u3002<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table><thead><tr><th>\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3<\/th><th>\u6700\u4f4e\u5b89\u5168\u4fc2\u6570<\/th><\/tr><\/thead><tbody><tr><td>\u9759\u7684\u88dc\u5f37\u6750\uff0f\u652f\u7dda\u30ed\u30fc\u30d7\uff08\u5e38\u6642\u5f35\u529b\uff09<\/td><td>3<\/td><\/tr><tr><td>\u624b\u52d5\u5f0f\u540a\u308a\u4e0a\u3052\u88c5\u7f6e<\/td><td>4<\/td><\/tr><tr><td>\u52d5\u529b\u5f0f\u6607\u964d\u88c5\u7f6e<\/td><td>5\uff5e6<\/td><\/tr><tr><td>\u30af\u30ec\u30fc\u30f3\u8a2d\u8a08<\/td><td>GB\/T 3811\u30af\u30ec\u30fc\u30f3\u8a2d\u8a08\u898f\u683c\u306b\u6e96\u62e0<\/td><\/tr><\/tbody><\/table><figcaption class=\"wp-element-caption\">\u5929\u4e95\u30af\u30ec\u30fc\u30f3\u306e\u30ef\u30a4\u30e4\u30fc\u30ed\u30fc\u30d7\u306e\u5b89\u5168\u7387<\/figcaption><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1217\" height=\"1293\" src=\"https:\/\/www.kscranegroup.com\/wp-content\/uploads\/2026\/06\/1Determine-the-Safety-Factor-of-overhead-crane-wire-rope.png\" alt=\"\" class=\"wp-image-11861\"\/><\/figure>\n\n\n\n<p>\u52d5\u529b\u6a5f\u5668\u3092\u7528\u3044\u305f\u4e00\u822c\u7684\u306a\u540a\u308a\u4e0a\u3052\u4f5c\u696d\u3067\u306f\u3001\u30c7\u30d5\u30a9\u30eb\u30c8\u30675\u307e\u305f\u306f6\u3092\u9078\u629e\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u8377\u7269\u306e\u53d6\u308a\u6271\u3044\u306b\u4eba\u54e1\u306e\u30a2\u30af\u30bb\u30b9\u304c\u5fc5\u8981\u306a\u5834\u5408\u3001\u307e\u305f\u306f\u91cd\u8981\u306a\u30a4\u30f3\u30d5\u30e9\u8a2d\u5099\u306e\u4e0a\u306b\u540a\u308a\u4e0b\u3052\u308b\u5834\u5408\u306f\u3001\u3088\u308a\u9ad8\u3044\u8a2d\u5b9a\u306b\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"2-identify-the-overhead-crane-wire-rope-class\">2. \u5929\u4e95\u30af\u30ec\u30fc\u30f3\u7528\u30ef\u30a4\u30e4\u30fc\u30ed\u30fc\u30d7\u306e\u30af\u30e9\u30b9\u3092\u7279\u5b9a\u3059\u308b<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"class-a-linear-contact-preferred-for-crane-hoisting\">\u30af\u30e9\u30b9A - \u76f4\u7dda\u63a5\u89e6\u578b\uff08\u30af\u30ec\u30fc\u30f3\u540a\u308a\u4e0a\u3052\u7528\u9014\u306b\u6700\u9069\uff09<\/h3>\n\n\n\n<p>6\u00d719\u30af\u30e9\u30b9\u304a\u3088\u30736\u00d736\u30af\u30e9\u30b9\u306e\u30b9\u30c8\u30e9\u30f3\u30c9\u3002\u5404\u30b9\u30c8\u30e9\u30f3\u30c9\u5185\u306e\u30ef\u30a4\u30e4\u306f\u3001\u70b9\u3067\u306f\u306a\u304f\u7dda\u306b\u6cbf\u3063\u3066\u63a5\u89e6\u3059\u308b\u3088\u3046\u306b\u914d\u7f6e\u3055\u308c\u3066\u3044\u308b\u305f\u3081\u3001\u5fdc\u529b\u304c\u3088\u308a\u5747\u7b49\u306b\u5206\u6563\u3055\u308c\u3001\u75b2\u52b4\u5bff\u547d\u304c\u5411\u4e0a\u3057\u307e\u3059\u3002\u3053\u308c\u3089\u306f\u3001\u30af\u30ec\u30fc\u30f3\u306e\u5dfb\u304d\u4e0a\u3052\u6a5f\u69cb\u306b\u304a\u3051\u308b\u6a19\u6e96\u7684\u306a\u9078\u629e\u80a2\u3067\u3059\u3002<\/p>\n\n\n\n<p>\u4e00\u822c\u7684\u306a\u69cb\u9020: 6\u00d719S-FC\u30016\u00d719S-IWRC\u30016\u00d736WS-FC\u30016\u00d736WS-IWRC\u30016\u00d717S\u30016\u00d721S\u30016\u00d721F\u30016\u00d726WS\u30016\u00d719W\u30016\u00d725F\u30016\u00d731WS\u30016\u00d729F\u30016\u00d737FS\u30016\u00d741WS\u30016\u00d746WS\u30016\u00d749SWS\u30016\u00d755SWS\u3002<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table><thead><tr><th>\u30b3\u30fc\u30c9<\/th><th>\u610f\u5473<\/th><th>\u7279\u6027<\/th><\/tr><\/thead><tbody><tr><td>\u308f<\/td><td>\u30a6\u30a9\u30ea\u30f3\u30c8\u30f3\uff08\u5916\u5c64\u3067\u7570\u306a\u308b\u592a\u3055\u306e\u30ef\u30a4\u30e4\u30fc\u3092\u4f7f\u7528\uff09<\/td><td>\u512a\u308c\u305f\u67d4\u8edf\u6027<\/td><\/tr><tr><td>\u30b9<\/td><td>\u30b7\u30fc\u30eb\uff08\u592a\u3044\u5916\u5074\u306e\u30ef\u30a4\u30e4\u30fc\uff09<\/td><td>\u512a\u308c\u305f\u8010\u6469\u8017\u6027<\/td><\/tr><tr><td>\u3075<\/td><td>\u5145\u586b\u6750\uff08\u5c64\u9593\u306b\u633f\u5165\u3055\u308c\u308b\u7d30\u3044\u5145\u586b\u30ef\u30a4\u30e4\u30fc\uff09<\/td><td>\u30b3\u30f3\u30d1\u30af\u30c8\u306a\u69cb\u9020<\/td><\/tr><tr><td>WS<\/td><td>\u30a6\u30a9\u30ea\u30f3\u30c8\u30f3\u30fb\u30b7\u30fc\u30eb\u8907\u5408<\/td><td>\u67d4\u8edf\u6027\u3068\u75b2\u52b4\u8010\u6027\u306e\u6700\u9069\u306a\u30d0\u30e9\u30f3\u30b9 \u2015 \u30af\u30ec\u30fc\u30f3\u3067\u6700\u3082\u4e00\u822c\u7684<\/td><\/tr><tr><td>FC<\/td><td>\u30d5\u30a1\u30a4\u30d0\u30fc\u30b3\u30a2<\/td><td>\u6f64\u6ed1\u5264\u3092\u8caf\u8535\u3057\u3001\u3088\u308a\u67d4\u8edf<\/td><\/tr><tr><td>IWRC<\/td><td>\u72ec\u7acb\u578b\u30ef\u30a4\u30e4\u30fc\u30ed\u30fc\u30d7\u30b3\u30a2\uff08\u30b9\u30c1\u30fc\u30eb\u88fd\uff09<\/td><td>\u3088\u308a\u9ad8\u3044\u7834\u65ad\u5f37\u5ea6 \u2015 FC\u76f8\u5f53\u54c1\u306e\u7d041.08\u500d<\/td><\/tr><\/tbody><\/table><figcaption class=\"wp-element-caption\">\u30af\u30ec\u30fc\u30f3\u7528\u30ef\u30a4\u30e4\u30fc\u30ed\u30fc\u30d7\u306e\u7279\u6027<\/figcaption><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"class-b-point-contact-secondary-applications\">\u30af\u30e9\u30b9B \u2014 \u70b9\u63a5\u89e6\uff08\u4e8c\u6b21\u7528\u9014\uff09<\/h3>\n\n\n\n<p>6\u00d719M\u30af\u30e9\u30b9\u30686\u00d737M\u30af\u30e9\u30b9\u3002\u30ef\u30a4\u30e4\u30fc\u304c\u8907\u6570\u306e\u70b9\u3067\u4ea4\u5dee\u3059\u308b\u305f\u3081\u3001\u5fdc\u529b\u96c6\u4e2d\u304c\u751f\u3058\u3001\u75b2\u52b4\u62b5\u6297\u304c\u4f4e\u4e0b\u3057\u307e\u3059\u3002\u4e3b\u306b\u9759\u7684\u652f\u7dda\u3084\u4e8c\u6b21\u7684\u306a\u7528\u9014\u306b\u4f7f\u7528\u3055\u308c\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u4e00\u822c\u7684\u306a\u69cb\u9020\uff1a6\u00d719M-FC\u30016\u00d719M-IWRC\u30016\u00d737M-FC\u30016\u00d737M-IWRC\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"3-the-quick-diameter-formula-for-overhead-crane-wire-rope-sizing\">3. \u5929\u4e95\u30af\u30ec\u30fc\u30f3\u7528\u30ef\u30a4\u30e4\u30fc\u30ed\u30fc\u30d7\u306e\u30b5\u30a4\u30ba\u6c7a\u5b9a\u306e\u305f\u3081\u306e\u30af\u30a4\u30c3\u30af\u76f4\u5f84\u5f0f<\/h2>\n\n\n\n<p>\u30af\u30e9\u30b9A\u3001\u5f15\u5f35\u5f37\u5ea61770MPa\u3001\u30d5\u30a1\u30a4\u30d0\u30fc\u30b3\u30a2 \u2014 \u6700\u3082\u4e00\u822c\u7684\u306a\u5929\u4e95\u30af\u30ec\u30fc\u30f3\u7528\u30ef\u30a4\u30e4\u30ed\u30fc\u30d7\u306e\u69cb\u6210\uff1a<\/p>\n\n\n\n<p>d \u2265 \u221a(T \u00f7 k)<\/p>\n\n\n\n<ul>\n<li>\u3053\u3053\u3067\u3001k = 0.06<\/li>\n\n\n\n<li>T = \u30ed\u30fc\u30d71\u672c\u3042\u305f\u308a\u306e\u5b89\u5168\u4f7f\u7528\u8377\u91cd\uff08\u30c8\u30f3\uff09<\/li>\n\n\n\n<li>d = \u30ed\u30fc\u30d7\u306e\u516c\u79f0\u76f4\u5f84 (mm)<\/li>\n<\/ul>\n\n\n\n<p>\u7c21\u5358\u306b\u8a00\u3046\u3068\u3001d\u00b2 \u00d7 0.06 = T \u3067\u3059\u3002\u30ed\u30fc\u30d7\u306e\u76f4\u5f84\uff08\u30df\u30ea\u30e1\u30fc\u30c8\u30eb\uff09\u306e\u4e8c\u4e57\u306b0.06\u3092\u639b\u3051\u308b\u3068\u3001\u5b89\u5168\u4f5c\u696d\u8377\u91cd\uff08\u30c8\u30f3\uff09\u304c\u7b97\u51fa\u3055\u308c\u307e\u3059\u3002<\/p>\n\n\n\n<p><strong>\u4f8b\uff1a<\/strong> 10\u30c8\u30f3\u306e\u5358\u4e00\u90e8\u54c1\u306e\u540a\u308a\u4e0a\u3052\u306b\u306f\u3001d = \u221a(10 \u00f7 0.06) = \u221a166.7 \u2248 12.9 mm \u2192 \u5207\u308a\u4e0a\u3052\u3066 <strong>13 mm<\/strong> \u6a19\u6e96\u76f4\u5f84\u30b7\u30ea\u30fc\u30ba\u3088\u308a\u3002<\/p>\n\n\n\n<p>\u30af\u30e9\u30b9A\u306e\u6a19\u6e96\u76f4\u5f84\u30b7\u30ea\u30fc\u30ba\uff08mm\uff09\uff1a8\u30019\u300110\u300111\u300112\u300113\u300114\u300115\u300116\u300118\u300120\u300122\u300124\u300126\u300128\u300130\u300132\u300134\u300136\u300138\u300140\u300142\u300144\u300146\u300148\u300150\u300152\u300154\u300156\u3002\uff086mm\u30687mm\u3082\u5b58\u5728\u3059\u308b\u304c\u3001\u30af\u30ec\u30fc\u30f3\u540a\u308a\u4e0a\u3052\u3067\u306f\u307e\u308c\u3067\u3042\u308b\u300258mm\u306860mm\u306f\u7279\u5b9a\u306e\u69cb\u9020\u306b\u3088\u3063\u3066\u7570\u306a\u308b\u3002\uff09<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"adjusting-for-different-tensile-grades\">\u7570\u306a\u308b\u5f15\u5f35\u5f37\u5ea6\u7b49\u7d1a\u3078\u306e\u5bfe\u5fdc<\/h3>\n\n\n\n<p>\u57fa\u672c\u4fc2\u6570 k = 0.06 \u306f 1770 MPa \u306b\u9069\u7528\u3055\u308c\u307e\u3059\u3002\u7d04 90\uff5e100 MPa \u306e\u5404\u30b0\u30ec\u30fc\u30c9\u30b9\u30c6\u30c3\u30d7\u3054\u3068\u306b\u3001\u00b10.003 \u3060\u3051\u8abf\u6574\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n\n\n\n<p>\u5b66\u5e74\u304c\u4e0a\u304c\u308b\u5834\u5408\uff1ak_i = 0.06 + 0.003 \u00d7 i<\/p>\n\n\n\n<p>\u5b66\u5e74\u304c\u4e0b\u304c\u308b\u5834\u5408\uff1ak_i = 0.06 \u2013 (0.003 \u00d7 i + 0.001)<\/p>\n\n\n\n<p>\u3053\u3053\u3067\u30011770 MPa \u3067\u306f i = 0 \u3068\u306a\u308a\u307e\u3059\u3002\u5f15\u5f35\u5f37\u5ea6\u306e\u7cfb\u5217\u306f\u30011570 \u2192 1670 \u2192 1770 \u2192 1870 \u2192 1960 \u2192 2160 MPa \u3067\u3059\u3002<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table><thead><tr><th>\u5f15\u5f35\u5f37\u5ea6\uff08MPa\uff09<\/th><th>\u30d5\u30a1\u30a4\u30d0\u30fc\u30b3\u30a2k<\/th><th>\u92fc\u82af k (= FC \u00d7 1.08)<\/th><\/tr><\/thead><tbody><tr><td>1570<\/td><td>0.053<\/td><td>0.057<\/td><\/tr><tr><td>1670<\/td><td>0.056<\/td><td>0.061<\/td><\/tr><tr><td>1770<\/td><td>0.060<\/td><td>0.064<\/td><\/tr><tr><td>1870<\/td><td>0.063<\/td><td>0.068<\/td><\/tr><tr><td>1960<\/td><td>0.066<\/td><td>0.071<\/td><\/tr><tr><td>2160<\/td><td>0.073 <\/td><td>0.079<\/td><\/tr><\/tbody><\/table><figcaption class=\"wp-element-caption\">\u30af\u30ec\u30fc\u30f3\u7528\u30ef\u30a4\u30e4\u30fc\u30ed\u30fc\u30d7\u306e\u5f15\u5f35\u5f37\u5ea6\u6df1\u5ea6\u6bd4\u8f03\u8868<\/figcaption><\/figure>\n\n\n\n<p><strong>2160MPa\u30d5\u30a1\u30a4\u30d0\u30fc\u30b3\u30a2\u306e\u7279\u6b8a\u30b1\u30fc\u30b9\uff1a<\/strong> \u8a08\u7b97\u5024\u306f0.072\u3067\u3059\u304c\u3001\u691c\u8a3c\u6e08\u307f\u306e\u4fc2\u6570\u306f0.073\u3067\u3059\u30020.001\u3092\u8ffd\u52a0\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u3053\u306e\u4f8b\u5916\u306f2160\u30b0\u30ec\u30fc\u30c9\u306b\u306e\u307f\u9069\u7528\u3055\u308c\u307e\u3059\u3002<\/p>\n\n\n\n<p><strong>\u4f8b\uff1a<\/strong> 1870 MPa \u306e\u30d5\u30a1\u30a4\u30d0\u30fc\u30b3\u30a2 (i = 1) \u306e\u5834\u5408\u3001k = 0.06 + 0.003 = 0.063 \u3067\u3059\u3002\u540c\u3058 10 \u30c8\u30f3\u306e\u8377\u91cd: d = \u221a(10 \u00f7 0.063) = \u221a158.7 \u2248 12.6 mm \u2192 13 mm \u306b\u5207\u308a\u4e0a\u3052\u307e\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"4-rope-weight-estimation\">4. \u30ed\u30fc\u30d7\u306e\u91cd\u91cf\u63a8\u5b9a<\/h2>\n\n\n\n<p>\u76f4\u5f84\u304c\u6c7a\u307e\u3063\u305f\u3089\u3001100\u30e1\u30fc\u30c8\u30eb\u3042\u305f\u308a\u306e\u6982\u7b97\u91cd\u91cf\u306f\u4ee5\u4e0b\u306e\u3068\u304a\u308a\u3067\u3059\u3002<\/p>\n\n\n\n<p>m_FC = 0.38 \u00d7 d\u00b2 (\u30d5\u30a1\u30a4\u30d0\u30fc\u30b3\u30a2\u3001\u30af\u30e9\u30b9A)<\/p>\n\n\n\n<p>m_IWRC = 0.418 \u00d7 d\u00b2 (\u92fc\u88fd\u30b3\u30a2\u3001\u30af\u30e9\u30b9A)<\/p>\n\n\n\n<p>\u3053\u3053\u3067\u3001m\u306f\u91cd\u91cf\uff08100m\u3042\u305f\u308a\u306ekg\uff09\u3001d\u306f\u76f4\u5f84\uff08mm\uff09\u3067\u3042\u308b\u3002\u91cd\u91cf\u4fc2\u6570\u306f\u5f15\u5f35\u5f37\u5ea6\u3068\u306f\u7121\u95a2\u4fc2\u3067\u3042\u308b\u3002<\/p>\n\n\n\n<p><strong>\u4f8b\uff1a<\/strong> 13 mm\u306e\u7e4a\u7dad\u82af\u30ed\u30fc\u30d7 \u2192 m = 0.38 \u00d7 169 = 100 m\u3042\u305f\u308a64 kg\u300230\u30e1\u30fc\u30c8\u30eb\u843d\u4e0b\u3057\u305f\u5834\u5408\u306e\u91cd\u91cf\u306f\u7d0419 kg\u3067\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"5-back-calculating-capacity-from-an-existing-rope\">5. \u65e2\u5b58\u306e\u30ed\u30fc\u30d7\u304b\u3089\u5bb9\u91cf\u3092\u9006\u7b97\u3059\u308b<\/h2>\n\n\n\n<p>\u73fe\u5834\u3067\u3001\u8a3c\u660e\u66f8\u3001\u30bf\u30b0\u3001\u30de\u30fc\u30ad\u30f3\u30b0\u306a\u3069\u3001\u8b58\u5225\u60c5\u5831\u306e\u306a\u3044\u30ed\u30fc\u30d7\u306b\u906d\u9047\u3057\u305f\u5834\u5408\u306f\u3001\u5b9f\u969b\u306e\u76f4\u5f84\u3092\u6e2c\u5b9a\u3057\u3001\u5b89\u5168\u4f7f\u7528\u8377\u91cd\u3092\u63a8\u5b9a\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n\n\n\n<p>F = 0.06 \u00d7 d\u00b2 (\u30c8\u30f3\u3001\u30af\u30e9\u30b9A\u30011770 MPa\u3001\u30d5\u30a1\u30a4\u30d0\u30fc\u30b3\u30a2)<\/p>\n\n\n\n<p><strong>\u4f8b\uff1a<\/strong> \u767a\u898b\u3055\u308c\u305f\u30ed\u30fc\u30d7\u306e\u76f4\u5f84\u306f16 mm\u3067\u3059\u3002F = 0.06 \u00d7 256 = 15.4\u30c8\u30f3\u306e\u5b89\u5168\u4f5c\u696d\u8377\u91cd\uff081770 MPa\u3001\u30af\u30e9\u30b9A\u3001FC\u3092\u60f3\u5b9a\uff09\u3002\u92fc\u82af\u306e\u5834\u5408\uff1a1.08\u3092\u639b\u3051\u306616.6\u30c8\u30f3\u3002<\/p>\n\n\n\n<p><strong>\u91cd\u8981\uff1a<\/strong> \u3053\u306e\u9006\u7b97\u306f\u3001\u88fd\u9020\u6642\u306e\u72b6\u614b\u306e\u65b0\u54c1\u30ed\u30fc\u30d7\u3092\u524d\u63d0\u3068\u3057\u3066\u3044\u307e\u3059\u3002\u6469\u8017\u3001\u8150\u98df\u3001\u65ad\u7dda\u3001\u75b2\u52b4\u640d\u50b7\u306f\u8003\u616e\u3055\u308c\u3066\u3044\u307e\u305b\u3093\u3002\u62fe\u5f97\u3057\u305f\u30ed\u30fc\u30d7\u3092\u540a\u308a\u4e0a\u3052\u4f5c\u696d\u306b\u4f7f\u7528\u3059\u308b\u524d\u306b\u3001\u5fc5\u305a\u5fb9\u5e95\u7684\u306a\u76ee\u8996\u691c\u67fb\u3092\u884c\u3044\u3001\u5ec3\u68c4\u57fa\u6e96\u306b\u7167\u3089\u3057\u5408\u308f\u305b\u3066\u78ba\u8a8d\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"6-overhead-crane-wire-rope-end-termination-methods\">6. \u5929\u4e95\u30af\u30ec\u30fc\u30f3\u306e\u30ef\u30a4\u30e4\u30fc\u30ed\u30fc\u30d7\u7aef\u90e8\u51e6\u7406\u65b9\u6cd5<\/h2>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1463\" height=\"1075\" src=\"https:\/\/www.kscranegroup.com\/wp-content\/uploads\/2026\/06\/2Overhead-Crane-Wire-Rope-End-Termination-Methods.png\" alt=\"\" class=\"wp-image-11862\"\/><\/figure>\n\n\n\n<figure class=\"wp-block-table\"><table><thead><tr><th>\u65b9\u6cd5<\/th><th>\u6a19\u6e96<\/th><th>\u91cd\u8981\u306a\u30eb\u30fc\u30eb<\/th><\/tr><\/thead><tbody><tr><td><strong>\u30ef\u30a4\u30e4\u30fc\u30ed\u30fc\u30d7\u30af\u30ea\u30c3\u30d7<\/strong><\/td><td>GB\/T 5976<\/td><td>d \u2264 16 \u2192 \u30af\u30ea\u30c3\u30d73\u500b\u300116 &lt; d \u2264 20 \u2192 \u30af\u30ea\u30c3\u30d74\u500b\u300120 &lt; d \u2264 26 \u2192 \u30af\u30ea\u30c3\u30d75\u500b\u3001d &gt; 26 \u2192 \u30af\u30ea\u30c3\u30d76\u500b\u3002\u30af\u30ea\u30c3\u30d7\u9593\u9694 = (5\u20136) \u00d7 d<\/td><\/tr><tr><td><strong>\u30a6\u30a7\u30c3\u30b8\u30bd\u30b1\u30c3\u30c8<\/strong><\/td><td>GB\/T 5793<\/td><td>\u30c6\u30fc\u30eb\u3092\u30a6\u30a7\u30c3\u30b8\u306e\u5f8c\u308d\u306b\u3057\u3063\u304b\u308a\u3068\u5dfb\u304d\u4ed8\u3051\u307e\u3059\u3002\u4e2d\u56fd\u898f\u683c\u3067\u306f\u30d0\u30c3\u30af\u30a2\u30c3\u30d7\u30af\u30ea\u30c3\u30d7\u306f\u7fa9\u52d9\u4ed8\u3051\u3089\u308c\u3066\u3044\u307e\u305b\u3093\u304c\u3001\u7c73\u56fd\u898f\u683c\uff08ASME B30.5\uff09\u3067\u306f\u5b89\u5168\u6027\u3092\u9ad8\u3081\u308b\u305f\u3081\u306b\u30a6\u30a7\u30c3\u30b8\u306e\u5f8c\u308d\u306b\u30af\u30ea\u30c3\u30d7\u3092\u8ffd\u52a0\u3057\u3066\u3044\u307e\u3059\u3002<\/td><\/tr><tr><td><strong>\u30a2\u30eb\u30df\u30cb\u30a6\u30e0\u30d5\u30a7\u30eb\u30fc\u30eb\uff08\u30b9\u30a6\u30a7\u30fc\u30b8\u30f3\u30b0\u52a0\u5de5\uff09<\/strong><\/td><td>\u2014<\/td><td>\u6cb9\u5727\u30d7\u30ec\u30b9\u304c\u5fc5\u8981\u3002\u5909\u5f62\u6e2c\u5b9a\u306b\u3088\u308a\u691c\u8a3c\u53ef\u80fd\u3002<\/td><\/tr><tr><td><strong>\u30b9\u30d7\u30e9\u30a4\u30b7\u30f3\u30b0<\/strong><\/td><td>\u2014<\/td><td>\u624b\u4f5c\u696d\u3067\u63a5\u5408\u3055\u308c\u305f\u30a2\u30a4\u3002\u4f1d\u7d71\u7684\u306a\u88fd\u6cd5\u3060\u304c\u3001\u5de5\u696d\u7528\u9014\u3067\u306f\u8870\u9000\u50be\u5411\u306b\u3042\u308b\u3002<\/td><\/tr><tr><td><strong>\u5186\u9310\u5f62\u306e\u30bd\u30b1\u30c3\u30c8\uff08\u4e9c\u925b\uff0f\u6a39\u8102\u92f3\u9020\uff09<\/strong><\/td><td>\u2014<\/td><td>\u5927\u5f84\u30ed\u30fc\u30d7\u7528\u9ad8\u5f37\u5ea6\u7d42\u7aef\u51e6\u7406<\/td><\/tr><\/tbody><\/table><figcaption class=\"wp-element-caption\">\u5929\u4e95\u30af\u30ec\u30fc\u30f3\u7528\u30ef\u30a4\u30e4\u30fc\u30ed\u30fc\u30d7\u56fa\u5b9a\u898f\u683c\u6bd4\u8f03\u8868<\/figcaption><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1319\" height=\"1193\" src=\"https:\/\/www.kscranegroup.com\/wp-content\/uploads\/2026\/06\/3Overhead-Crane-Wire-Rope-End-Termination-Methods1.png\" alt=\"\" class=\"wp-image-11863\"\/><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1011\" height=\"706\" src=\"https:\/\/www.kscranegroup.com\/wp-content\/uploads\/2026\/06\/4Overhead-Crane-Wire-Rope-End-Termination-Methods2.jpg\" alt=\"\" class=\"wp-image-11864\"\/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"appendix-class-b-coefficients-point-contact-ropes\">\u4ed8\u9332\uff1a\u30af\u30e9\u30b9B\u4fc2\u6570\uff08\u70b9\u63a5\u89e6\u30ed\u30fc\u30d7\uff09<\/h2>\n\n\n\n<p>\u30af\u30ec\u30fc\u30f3\u3067\u306e\u540a\u308a\u4e0a\u3052\u4f5c\u696d\u3067\u306e\u4f7f\u7528\u983b\u5ea6\u304c\u8457\u3057\u304f\u4f4e\u30446\u00d719M\u304a\u3088\u30736\u00d737M\u30af\u30e9\u30b9\u306e\u70b9\u63a5\u89e6\u30ed\u30fc\u30d7\u306e\u5834\u5408\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table><thead><tr><th>\u30d1\u30e9\u30e1\u30fc\u30bf<\/th><th>\u30b7\u30f3\u30dc\u30eb<\/th><th>\u5024\uff08FC\u30011770 MPa\uff09<\/th><\/tr><\/thead><tbody><tr><td>\u57fa\u672c\u4fc2\u6570<\/td><td>k<\/td><td>0.053<\/td><\/tr><tr><td>\u7b49\u7d1a\u8abf\u6574<\/td><td>k_i<\/td><td>0.053 \u00b1 0.003 \u00d7 i (\u5bfe\u79f0\u3001\u4f59\u5206\u306a-0.001\u306a\u3057)<\/td><\/tr><tr><td>\u91cd\u307f\u4fc2\u6570\uff08FC\uff09<\/td><td>w1<\/td><td>0.35<\/td><\/tr><tr><td>\u91cd\u307f\u4fc2\u6570\uff08IWRC\uff09<\/td><td>w2<\/td><td>0.40<\/td><\/tr><tr><td>\u5b89\u5168\u5bb9\u91cf\uff08FC\uff09<\/td><td>\u3075<\/td><td>0.053 \u00d7 d\u00b2\uff08\u30c8\u30f3\uff09<\/td><\/tr><\/tbody><\/table><figcaption class=\"wp-element-caption\">B\u7d1a\u30af\u30ec\u30fc\u30f3\u7528\u30ef\u30a4\u30e4\u30fc\u30ed\u30fc\u30d7\u306e\u5f37\u5ea6<\/figcaption><\/figure>\n\n\n\n<p><strong>\u30af\u30e9\u30b9B\u30011570MPa\u306e\u4f8b\uff1a<\/strong> k = 0.053 \u2013 (0.003 \u00d7 2) = 0.047\u3002<\/p>\n\n\n\n<p><strong>\u53c2\u7167\u898f\u683c(<a href=\"https:\/\/openstd.samr.gov.cn\/bzgk\/std\/std_list?p.p1=0&amp;p.p90=circulation_date&amp;p.p91=desc&amp;p.p2=%E8%B5%B7%E9%87%8D%E6%9C%BA\" target=\"_blank\" rel=\"noopener\">\u4e2d\u56fd\u306e\u30af\u30ec\u30fc\u30f3\u898f\u683c\u306b\u95a2\u3059\u308b\u554f\u3044\u5408\u308f\u305b<\/a>):<\/strong><\/p>\n\n\n\n<ul>\n<li>GB\/T 20118-2017 \u2014 \u4e00\u822c\u7528\u9014\u92fc\u7dda\u30ed\u30fc\u30d7\uff08\u6b63\u78ba\u306a\u6700\u5c0f\u7834\u65ad\u529b\u5024\u306e\u516c\u5f0f\u898f\u683c\uff09<\/li>\n\n\n\n<li>GB\/T 5793-2006 \u2014 \u30ef\u30a4\u30e4\u30fc\u30ed\u30fc\u30d7\u7528\u30a6\u30a7\u30c3\u30b8\u30bd\u30b1\u30c3\u30c8<\/li>\n\n\n\n<li>GB\/T 5976-2006 \u2014 \u30ef\u30a4\u30e4\u30fc\u30ed\u30fc\u30d7\u30af\u30ea\u30c3\u30d7<\/li>\n<\/ul>\n\n\n\n<p><strong>\u65b9\u6cd5\u306e\u7cbe\u5ea6\uff1a<\/strong> GB\/T 20118-2017\u898f\u683c\u8868\u306b\u57fa\u3065\u3044\u3066\u691c\u8a3c\u6e08\u307f\u3002\u5bfe\u8c61\u3068\u306a\u308b\u30ed\u30fc\u30d7\u69cb\u9020\u306b\u304a\u3051\u308b\u8aa4\u5dee\u306f\u6982\u306d2%\u4ee5\u5185\u3067\u3059\u3002\u3053\u308c\u306f\u73fe\u5834\u3067\u306e\u5b9f\u7528\u7684\u306a\u65b9\u6cd5\u3067\u3042\u308a\u3001\u6700\u7d42\u7684\u306a\u8a2d\u8a08\u4ed5\u69d8\u306b\u3064\u3044\u3066\u306f\u3001\u5fc5\u305a\u898f\u683c\u5168\u4f53\u306b\u57fa\u3065\u3044\u3066\u691c\u8a3c\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n\n\n\n<p>\u30af\u30ec\u30fc\u30f3\u7528\u30ef\u30a4\u30e4\u30fc\u30ed\u30fc\u30d7\u306e\u5b89\u5168\u6027\u306b\u3064\u3044\u3066\u3055\u3089\u306b\u8a73\u3057\u304f\u77e5\u308a\u305f\u3044\u5834\u5408\u306f\u3001\u3053\u3061\u3089\u306e\u8a18\u4e8b\u3092\u304a\u8aad\u307f\u304f\u3060\u3055\u3044\u3002 <a href=\"https:\/\/www.kscranegroup.com\/ja\/posts\/replacement-and-installing-wire-rope-on-crane\/\">\u30af\u30ec\u30fc\u30f3\u306e\u30ef\u30a4\u30e4\u30fc\u30ed\u30fc\u30d7\u306e\u4ea4\u63db\u3068\u8a2d\u7f6e\uff1a\u9577\u671f\u8010\u4e45\u6027\u306e\u305f\u3081\u306e\u91cd\u8981\u306a\u8003\u616e\u4e8b\u9805\u3068\u30d2\u30f3\u30c8<\/a><\/p>","protected":false},"excerpt":{"rendered":"When you are on a job site or in a project meeting and someone asks &#8220;what diameter overhead crane wire rope do I need for X tonnes?&#8221;, you may not have GB\/T 20118 or ISO 2408 at hand. This article pres","protected":false},"featured_media":11873,"parent":0,"menu_order":0,"template":"single-SEO-Table.php","posts_category":[189],"posts_tag":[816,801,817,815,121,820,818,814,813,819],"acf":[],"_links":{"self":[{"href":"https:\/\/www.kscranegroup.com\/ja\/wp-json\/wp\/v2\/xmxposts\/11865"}],"collection":[{"href":"https:\/\/www.kscranegroup.com\/ja\/wp-json\/wp\/v2\/xmxposts"}],"about":[{"href":"https:\/\/www.kscranegroup.com\/ja\/wp-json\/wp\/v2\/types\/posts"}],"version-history":[{"count":5,"href":"https:\/\/www.kscranegroup.com\/ja\/wp-json\/wp\/v2\/xmxposts\/11865\/revisions"}],"predecessor-version":[{"id":11876,"href":"https:\/\/www.kscranegroup.com\/ja\/wp-json\/wp\/v2\/xmxposts\/11865\/revisions\/11876"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.kscranegroup.com\/ja\/wp-json\/wp\/v2\/media\/11873"}],"wp:attachment":[{"href":"https:\/\/www.kscranegroup.com\/ja\/wp-json\/wp\/v2\/media?parent=11865"}],"wp:term":[{"taxonomy":"posts_category","embeddable":true,"href":"https:\/\/www.kscranegroup.com\/ja\/wp-json\/wp\/v2\/posts_category?post=11865"},{"taxonomy":"posts_tag","embeddable":true,"href":"https:\/\/www.kscranegroup.com\/ja\/wp-json\/wp\/v2\/posts_tag?post=11865"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}