{"id":8518,"date":"2025-06-25T08:55:52","date_gmt":"2025-06-25T08:55:52","guid":{"rendered":"https:\/\/www.kscranegroup.com\/?post_type=posts&#038;p=8518"},"modified":"2025-06-25T08:55:55","modified_gmt":"2025-06-25T08:55:55","slug":"reliable-crane-wheel-load-calculation","status":"publish","type":"posts","link":"https:\/\/www.kscranegroup.com\/ja\/posts\/reliable-crane-wheel-load-calculation\/","title":{"rendered":"\u30b9\u30de\u30fc\u30c8\u3067\u4fe1\u983c\u6027\u306e\u9ad8\u3044\u30af\u30ec\u30fc\u30f3\u30db\u30a4\u30fc\u30eb\u8377\u91cd\u8a08\u7b97\uff1a\u5b89\u5168\u6027\u3092\u69cb\u7bc9\u3057\u3001\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3092\u5411\u4e0a\u3055\u305b\u3001\u5b89\u5fc3\u3092\u7372\u5f97"},"content":{"rendered":"<div class=\"wp-block-rank-math-toc-block\" id=\"rank-math-toc\"><p>\u76ee\u6b21<\/p><nav><ul><li><a href=\"#calculation-of-crane-wheel-load-calculation\">\u30af\u30ec\u30fc\u30f3\u306e\u8eca\u8f2a\u8377\u91cd\u8a08\u7b97\u00a0<\/a><\/li><li><a href=\"#crane-wheel-selection-and-verification\">\u30af\u30ec\u30fc\u30f3\u30db\u30a4\u30fc\u30eb\u306e\u9078\u629e\u3068\u691c\u8a3c\u00a0<\/a><ul><li><a href=\"#1-determination-of-fatigue-calculation-load-of-wheels\">1. \u8eca\u8f2a\u306e\u75b2\u52b4\u8a08\u7b97\u8377\u91cd\u306e\u6c7a\u5b9a\uff1a\u00a0<\/a><\/li><li><a href=\"#2-wheel-tread-contact-strength-calculation\">2. \u8eca\u8f2a\u8e0f\u9762\u63a5\u89e6\u5f37\u5ea6\u306e\u8a08\u7b97\uff1a<\/a><ul><li><a href=\"#2-1-allowable-wheel-pressure-for-line-contact\">2.1 \u7dda\u63a5\u89e6\u6642\u306e\u8a31\u5bb9\u8eca\u8f2a\u5727\u529b\uff1a<\/a><\/li><li><a href=\"#2-2-allowable-wheel-pressure-for-point-contact\">2.2 \u70b9\u63a5\u89e6\u6642\u306e\u8a31\u5bb9\u8eca\u8f2a\u5727\u529b\uff1a<\/a><\/li><\/ul><\/li><\/ul><\/li><li><a href=\"#hidden-dangers-of-crane-wheels-not-meeting-the-standard\">\u57fa\u6e96\u3092\u6e80\u305f\u3055\u306a\u3044\u30af\u30ec\u30fc\u30f3\u30db\u30a4\u30fc\u30eb\u306e\u96a0\u308c\u305f\u5371\u967a\u6027\u00a0<\/a><\/li><li><a href=\"#preventive-measures\">\u4e88\u9632\u7b56\uff1a<\/a><\/li><\/ul><\/nav><\/div>\n\n\n\n<p>\u30af\u30ec\u30fc\u30f3\u306e\u8eca\u8f2a\u8377\u91cd\u8a08\u7b97\u306f\u3001\u30af\u30ec\u30fc\u30f3\u306e\u8a2d\u8a08\u30fb\u9078\u5b9a\u30d7\u30ed\u30bb\u30b9\u306b\u304a\u3051\u308b\u91cd\u8981\u306a\u30b9\u30c6\u30c3\u30d7\u3067\u3059\u3002\u6b63\u78ba\u306a\u8377\u91cd\u8a08\u7b97\u306f\u3001\u30af\u30ec\u30fc\u30f3\u306e\u5b89\u5168\u6027\u3068\u4fe1\u983c\u6027\u306b\u76f4\u63a5\u5f71\u97ff\u3092\u4e0e\u3048\u308b\u3060\u3051\u3067\u306a\u304f\u3001\u8a2d\u5099\u306e\u8010\u7528\u5e74\u6570\u3084\u30e1\u30f3\u30c6\u30ca\u30f3\u30b9\u30b3\u30b9\u30c8\u306b\u3082\u5f71\u97ff\u3057\u307e\u3059\u3002\u5b9f\u969b\u306b\u306f\u3001\u8eca\u8f2a\u8377\u91cd\u306f\u30af\u30ec\u30fc\u30f3\u306e\u81ea\u91cd\u3001\u540a\u308a\u4e0a\u3052\u8ca8\u7269\u306e\u91cd\u91cf\u3001\u52d5\u8377\u91cd\u3001\u74b0\u5883\u8981\u56e0\u306a\u3069\u306e\u8907\u5408\u7684\u306a\u5f71\u97ff\u306b\u3088\u3063\u3066\u767a\u751f\u3057\u307e\u3059\u3002\u3057\u305f\u304c\u3063\u3066\u3001\u6b63\u78ba\u306a\u8377\u91cd\u8a08\u7b97\u3092\u884c\u3046\u306b\u306f\u3001\u30af\u30ec\u30fc\u30f3\u306e\u69cb\u9020\u5f62\u72b6\u3001\u4f5c\u696d\u6761\u4ef6\u3001\u904b\u8ee2\u30e2\u30fc\u30c9\u306a\u3069\u306e\u8981\u7d20\u3092\u8003\u616e\u3057\u3001\u69d8\u3005\u306a\u4f5c\u696d\u6761\u4ef6\u4e0b\u3067\u8eca\u8f2a\u304c\u5b89\u5168\u304b\u3064\u5b89\u5b9a\u3057\u3066\u52d5\u4f5c\u3059\u308b\u3053\u3068\u3092\u4fdd\u8a3c\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"1000\" height=\"715\" src=\"https:\/\/www.kscranegroup.com\/wp-content\/uploads\/2025\/06\/Crane-Wheel-Load-Calculation.jpg\" alt=\"\" class=\"wp-image-8530\"\/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"calculation-of-crane-wheel-load-calculation\">\u30af\u30ec\u30fc\u30f3\u306e\u8eca\u8f2a\u8377\u91cd\u8a08\u7b97&nbsp;<\/h2>\n\n\n\n<p>\u30af\u30ec\u30fc\u30f3\u306e\u8eca\u8f2a\u304c\u8ca0\u62c5\u3059\u308b\u8377\u91cd\u306f\u3001\u8d70\u884c\u6a5f\u69cb\u306e\u99c6\u52d5\u30b7\u30b9\u30c6\u30e0\u306e\u8377\u91cd\u3068\u306f\u7121\u95a2\u4fc2\u3067\u3042\u308a\u3001\u30af\u30ec\u30fc\u30f3\u306e\u5916\u90e8\u8377\u91cd\u306e\u5e73\u8861\u6761\u4ef6\u306b\u3088\u3063\u3066\u76f4\u63a5\u6c42\u3081\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u5929\u4e95\u8d70\u884c\u30af\u30ec\u30fc\u30f3\u306e\u8f2a\u8377\u91cd\u306b\u306f\u3001\u6700\u5927\u8f2a\u8377\u91cd\u3068\u6700\u5c0f\u8f2a\u8377\u91cd\u304c\u3042\u308a\u307e\u3059\u3002\u5929\u4e95\u8d70\u884c\u30af\u30ec\u30fc\u30f3\u306e\u6700\u5927\u8f2a\u8377\u91cd\u3068\u306f\u3001\u6e80\u8f09\u306e\u30c8\u30ed\u30ea\u30fc\u304c\u7aef\u6841\u306e\u9650\u754c\u4f4d\u7f6e\u306b\u8fd1\u3044\u3068\u304d\u306e\u5927\u8f2a\u306e\u8f2a\u8377\u91cd\u3067\u3042\u308a\u3001\u6700\u5c0f\u8f2a\u8377\u91cd\u3068\u306f\u3001\u30c8\u30ed\u30ea\u30fc\u304c\u30b9\u30d1\u30f3\u306e\u9014\u4e2d\u3067\u7121\u8377\u3067\u3042\u308b\u3068\u304d\u306e\u3001\u30b9\u30d1\u30f3\u306e\u4e00\u65b9\u306e\u7aef\u306e\u5927\u8f2a\u306e\u8f2a\u8377\u91cd\u3067\u3059\u3002<\/p>\n\n\n\n<p>\u6700\u5927\u8f2a\u8377\u91cd\uff08\u6e80\u8f09\uff09 = (G-G1)\/n + (Q+G1)*(L-L1)\/n*L&nbsp;<\/p>\n\n\n\n<p>\u6700\u5c0f\u8f2a\u8377\u91cd\uff08\u7121\u8ca0\u8377\uff09 = (G-G1)\/n + G1*L1\/n*L&nbsp;<\/p>\n\n\n\n<ul>\n<li>G = \u30af\u30ec\u30fc\u30f3\u306e\u7dcf\u91cd\u91cf\uff08\u30c8\u30ed\u30ea\u30fc\u3092\u542b\u3080\uff09\uff08T\uff09&nbsp;<\/li>\n\n\n\n<li>G1 = \u53f0\u8eca\u306e\u91cd\u91cf\uff08T\uff09&nbsp;<\/li>\n\n\n\n<li>Q = \u5b9a\u683c\u63da\u7a0b\uff08T\uff09&nbsp;<\/li>\n\n\n\n<li>L = \u30b9\u30d1\u30f3\uff08m\uff09&nbsp;<\/li>\n\n\n\n<li>n = \u30af\u30ec\u30fc\u30f3\u306e\u8eca\u8f2a\u306e\u6570&nbsp;<\/li>\n\n\n\n<li>L1 = \u30d5\u30c3\u30af\u306e\u4e2d\u5fc3\u7dda\u304b\u3089\u7aef\u6881\u306e\u4e2d\u5fc3\u7dda\u307e\u3067\u306e\u6700\u5c0f\u8ddd\u96e2\uff08T\u5358\u4f4d\uff09 \u30d5\u30c3\u30af\u306e\u4e2d\u5fc3\u7dda\u304b\u3089\u7aef\u6881\u306e\u4e2d\u5fc3\u7dda\u307e\u3067\u306e\u6700\u5c0f\u8ddd\u96e2\uff08m\uff09&nbsp;<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"crane-wheel-selection-and-verification\">\u30af\u30ec\u30fc\u30f3\u30db\u30a4\u30fc\u30eb\u306e\u9078\u629e\u3068\u691c\u8a3c&nbsp;<\/h2>\n\n\n\n<p>\u30af\u30ec\u30fc\u30f3\u306e\u8377\u91cd\u306b\u5fdc\u3058\u3066\u8eca\u8f2a\u3092\u9078\u629e\u3059\u308b\u65b9\u6cd5\u3068\u3001\u8eca\u8f2a\u304c\u904b\u3076\u3053\u3068\u304c\u3067\u304d\u308b\u304b\u3069\u3046\u304b\u3092\u78ba\u8a8d\u3059\u308b\u65b9\u6cd5&nbsp;<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"1-determination-of-fatigue-calculation-load-of-wheels\">1. \u8eca\u8f2a\u306e\u75b2\u52b4\u8a08\u7b97\u8377\u91cd\u306e\u6c7a\u5b9a\uff1a&nbsp;<\/h3>\n\n\n\n<p>\u8eca\u8f2a\u306e\u75b2\u52b4\u8a08\u7b97\u8377\u91cd PC \u306f\u30af\u30ec\u30fc\u30f3\u306e\u6700\u5927\u304a\u3088\u3073\u6700\u5c0f\u8eca\u8f2a\u5727\u529b\u306b\u3088\u3063\u3066\u6c7a\u5b9a\u3055\u308c\u3001PC \u306e\u8a08\u7b97\u5f0f\u306f\u6b21\u306e\u3068\u304a\u308a\u3067\u3059\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"230\" height=\"62\" src=\"https:\/\/www.kscranegroup.com\/wp-content\/uploads\/2025\/06\/1Determination-of-fatigue-calculation-load-of-wheels.png\" alt=\"\" class=\"wp-image-8519\"\/><\/figure>\n\n\n\n<ul>\n<li>PC \u2014 \u8eca\u8f2a\u75b2\u52b4\u8a08\u7b97\u8377\u91cd\uff08N\uff09&nbsp;<\/li>\n\n\n\n<li>P<sub>\u6700\u5927<\/sub> \u2014 \u30af\u30ec\u30fc\u30f3\u304c\u6b63\u5e38\u306b\u4f5c\u52d5\u3057\u3066\u3044\u308b\u3068\u304d\u306e\u6700\u5927\u30db\u30a4\u30fc\u30eb\u5727\u529b\uff08N\uff09\u3002&nbsp;<\/li>\n\n\n\n<li>P<sub>\u5206<\/sub> \u2014 \u30af\u30ec\u30fc\u30f3\u304c\u6b63\u5e38\u306b\u4f5c\u52d5\u3057\u3066\u3044\u308b\u3068\u304d\u306e\u6700\u5c0f\u30db\u30a4\u30fc\u30eb\u5727\u529b\uff08N\uff09\u3002&nbsp;<\/li>\n\n\n\n<li>P\u3092\u6c7a\u5b9a\u3059\u308b\u969b\u306b<sub>\u6700\u5927<\/sub> \u304a\u3088\u3073P<sub>\u5206<\/sub>\u3001\u5dfb\u4e0a\u30fb\u64cd\u4f5c\u6a5f\u69cb\u306e\u52d5\u7684\u8377\u91cd\u4fc2\u6570\u304a\u3088\u3073\u885d\u6483\u4fc2\u6570\u306f1\u3068\u3059\u308b\u3002&nbsp;<\/li>\n<\/ul>\n\n\n\n<p>\u5929\u4e95\u8d70\u884c\u30af\u30ec\u30fc\u30f3\u306e\u5834\u5408\u3001\u30c8\u30ed\u30ea\u30fc\u30af\u30ec\u30fc\u30f3\u304c\u5b9a\u683c\u8377\u91cd\u3067\u7247\u5074\u9650\u754c\u4f4d\u7f6e\u307e\u3067\u8d70\u884c\u3057\u3066\u3044\u308b\u3068\u304d\u3001\u30c8\u30ed\u30ea\u30fc\u5074\u4ed8\u8fd1\u306e\u5927\u304d\u306a\u8eca\u8f2a\u5727\u529b\u306fP\u3067\u3042\u308b\u3002<sub>\u6700\u5927<\/sub>; \u30c8\u30ed\u30ea\u30fc\u5074\u304b\u3089\u9060\u3044\u7121\u8377\u91cd\u5074\u306e\u5927\u304d\u306a\u8eca\u8f2a\u5727\u529b\u306fP<sub>\u5206<\/sub>\u5929\u4e95\u8d70\u884c\u30af\u30ec\u30fc\u30f3\u306e\u5834\u5408\u3001\u30c8\u30ed\u30ea\u30fc\u30af\u30ec\u30fc\u30f3\u306e\u5b9a\u683c\u8377\u91cd\u304c\u7247\u5074\u9650\u754c\u4f4d\u7f6e\u307e\u3067\u8d70\u884c\u3059\u308b\u3068\u3001\u30c8\u30ed\u30ea\u30fc\u5074\u4ed8\u8fd1\u306e\u8eca\u8f2a\u306e\u5727\u529b\u306fP\u3068\u306a\u308b\u3002<sub>\u6700\u5927<\/sub>; \u30c8\u30ed\u30ea\u30fc\u5074\u304b\u3089\u96e2\u308c\u305f\u5074\u306e\u8eca\u8f2a\u306e\u5727\u529b\u306fP<sub>\u5206<\/sub>\u30b8\u30d6\u30af\u30ec\u30fc\u30f3\u306e\u5834\u5408\u3001\u6700\u5927\u8377\u91cd\u6642\u306e\u30d6\u30fc\u30e0\u4e0b\u306e\u8eca\u8f2a\u306e\u5727\u529b\u306fP\u3067\u3042\u308b\u3002<sub>\u6700\u5927<\/sub>; \u305d\u3057\u3066\u3001\u7121\u8ca0\u8377\u306e\u6700\u5c0f\u632f\u5e45\u306e\u30d6\u30fc\u30e0\u306e\u4e0b\u306e\u8eca\u8f2a\u306e\u5727\u529b\u306fP\u3067\u3042\u308b\u3002<sub>\u5206<\/sub>.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"2-wheel-tread-contact-strength-calculation\">2. \u8eca\u8f2a\u8e0f\u9762\u63a5\u89e6\u5f37\u5ea6\u306e\u8a08\u7b97\uff1a<\/h3>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"2-1-allowable-wheel-pressure-for-line-contact\">2.1 \u7dda\u63a5\u89e6\u6642\u306e\u8a31\u5bb9\u8eca\u8f2a\u5727\u529b\uff1a<\/h4>\n\n\n\n<p><strong>P<sub>c<\/sub>\u2264K<sub>1<\/sub>\u00d7D\u00d7L\u00d7C<sub>1<\/sub>\u00d7C<sub>2<\/sub><\/strong><\/p>\n\n\n\n<ul>\n<li>P<sub>C<\/sub> \u2014- \u8eca\u8f2a\u75b2\u52b4\u8a08\u7b97\u8377\u91cd\uff08N\uff09&nbsp;<\/li>\n\n\n\n<li>K<sub>1<\/sub> \u2014\u2013 \u88681\u306b\u5f93\u3063\u3066\u9078\u629e\u3055\u308c\u305f\u6750\u6599\u306b\u95a2\u9023\u3059\u308b\u8a31\u5bb9\u7dda\u63a5\u89e6\u5fdc\u529b\u5b9a\u6570\uff08N\/mm2\uff09\u3002&nbsp;<\/li>\n\n\n\n<li>D \u2014\u2013 \u30db\u30a4\u30fc\u30eb\u76f4\u5f84\uff08mm\uff09&nbsp;<\/li>\n\n\n\n<li>L\u2014\u2014\u8eca\u8f2a\u3068\u8ecc\u9053\u306e\u6709\u52b9\u63a5\u89e6\u9577\u3055&nbsp;<\/li>\n\n\n\n<li>C<sub>1<\/sub>\u2014\u2013 \u88682\u306b\u5f93\u3063\u3066\u9078\u629e\u3055\u308c\u305f\u901f\u5ea6\u4fc2\u6570\u3002&nbsp;<\/li>\n\n\n\n<li>C<sub>2<\/sub>\u2014\u2013 \u88683\u306b\u5f93\u3063\u3066\u9078\u629e\u3055\u308c\u305f\u4f5c\u696d\u30ec\u30d9\u30eb\u4fc2\u6570\u3002<\/li>\n<\/ul>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"2560\" height=\"1678\" src=\"https:\/\/www.kscranegroup.com\/wp-content\/uploads\/2025\/06\/2Allowable-wheel-pressure-for-line-contact-scaled.jpg\" alt=\"\" class=\"wp-image-8522\" srcset=\"https:\/\/www.kscranegroup.com\/wp-content\/uploads\/2025\/06\/2Allowable-wheel-pressure-for-line-contact-scaled.jpg 2560w, https:\/\/www.kscranegroup.com\/wp-content\/uploads\/2025\/06\/2Allowable-wheel-pressure-for-line-contact-1536x1007.jpg 1536w, https:\/\/www.kscranegroup.com\/wp-content\/uploads\/2025\/06\/2Allowable-wheel-pressure-for-line-contact-2048x1342.jpg 2048w\" sizes=\"(max-width: 2560px) 100vw, 2560px\" \/><\/figure>\n\n\n\n<p>\u7b97\u5b9a\u4fc2\u6570\u4e00\u89a7\uff08\u88681\uff09<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table><thead><tr><th>\u03c3<sub>b<\/sub><\/th><th>K<sub>1<\/sub><\/th><th>K<sub>2<\/sub><\/th><\/tr><\/thead><tbody><tr><td>500<\/td><td>3.8<\/td><td>0.053<\/td><\/tr><tr><td>600<\/td><td>5.6<\/td><td>0.1<\/td><\/tr><tr><td>650<\/td><td>6.0<\/td><td>0.132<\/td><\/tr><tr><td>700<\/td><td>6.8<\/td><td>0.181<\/td><\/tr><tr><td>800<\/td><td>7.2<\/td><td>0.245<\/td><\/tr><\/tbody><\/table><figcaption class=\"wp-element-caption\">\u8eca\u8f2a\u8e0f\u9762\u63a5\u89e6\u5f37\u5ea6\u8a08\u7b97\u7528\u4fc2\u6570\u4e00\u89a7\u88681<\/figcaption><\/figure>\n\n\n\n<p><em>\u6ce8\u610f\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/em><\/p>\n\n\n\n<p><em>1. \u03c3<\/em><em><sub>b <\/sub><\/em><em>\u6750\u6599\u306e\u5f15\u5f35\u5f37\u3055 (N\/mm)<\/em><em><sup>2<\/sup><\/em><em>);<\/em><\/p>\n\n\n\n<p><em>2. \u30b9\u30c1\u30fc\u30eb\u30db\u30a4\u30fc\u30eb\u306f\u4e00\u822c\u7684\u306b\u71b1\u51e6\u7406\u304c\u65bd\u3055\u308c\u3001\u30c8\u30ec\u30c3\u30c9\u786c\u5ea6\u306fHB=300\uff5e380\u3001\u713c\u5165\u308c\u5c64\u306e\u6df1\u3055\u306f15mm\uff5e20mm\u304c\u63a8\u5968\u3055\u308c\u307e\u3059\u3002\u8a31\u5bb9\u5024\u3092\u6c7a\u5b9a\u3059\u308b\u969b\u306b\u306f\u3001\u03c3<\/em><em><sub>b<\/sub><\/em><em> \u6750\u6599\u304c\u71b1\u51e6\u7406\u3055\u308c\u3066\u3044\u306a\u3044\u5834\u5408\u306b\u63a1\u53d6\u3055\u308c\u307e\u3059\u3002<\/em><\/p>\n\n\n\n<p><em>3. \u30db\u30a4\u30fc\u30eb\u6750\u8cea\u304c\u30c0\u30af\u30bf\u30a4\u30eb\u92f3\u9244\u3092\u63a1\u7528\u3059\u308b\u5834\u5408\u3002 \u03c3<sub>b<\/sub>\u2267500N\/mm<sup>2<\/sup> \u6750\u8cea\u3001K<sub>1<\/sub>, <em>K<sub>2<\/sub><\/em> \u5024\u306f\u03c3\u306b\u5fdc\u3058\u3066\u9078\u629e\u3055\u308c\u307e\u3059<sub>b<\/sub>.=500N\/mm<sup>2<\/sup>.<\/em><\/p>\n\n\n\n<p>\u7b97\u5b9a\u4fc2\u6570\u4e00\u89a7\uff08\u88682\uff09<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table><tbody><tr><td>\u56de\u8ee2\u6570&nbsp;<\/td><td rowspan=\"2\">C<sub>1<\/sub><\/td><td>\u56de\u8ee2\u6570<\/td><td rowspan=\"2\">C<sub>1<\/sub><\/td><td>\u56de\u8ee2\u6570<\/td><td rowspan=\"2\">C<sub>1<\/sub><\/td><\/tr><tr><td>\u5206<sup>-1<\/sup><\/td><td>\u5206<sup>-1<\/sup><\/td><td>\u5206<sup>-1<\/sup><\/td><\/tr><tr><td>200<\/td><td>0.66<\/td><td>50<\/td><td>0.94<\/td><td>16<\/td><td>1.09<\/td><\/tr><tr><td>160<\/td><td>0.72<\/td><td>45<\/td><td>0.96<\/td><td>14<\/td><td>1.1<\/td><\/tr><tr><td>125<\/td><td>0.77<\/td><td>40<\/td><td>0.97<\/td><td>12.5<\/td><td>1.11<\/td><\/tr><tr><td>112<\/td><td>0.79<\/td><td>35.5<\/td><td>0.99<\/td><td>11.2<\/td><td>1.12<\/td><\/tr><tr><td>100<\/td><td>0.82<\/td><td>31.5<\/td><td>1.00<\/td><td>10<\/td><td>1.13<\/td><\/tr><tr><td>90<\/td><td>0.84<\/td><td>28<\/td><td>1.02<\/td><td>8<\/td><td>1.14<\/td><\/tr><tr><td>80<\/td><td>0.87<\/td><td>25<\/td><td>1.03<\/td><td>6.3<\/td><td>1.15<\/td><\/tr><tr><td>71<\/td><td>0.89<\/td><td>22.4<\/td><td>1.04<\/td><td>5.6<\/td><td>1.16<\/td><\/tr><tr><td>63<\/td><td>0.91<\/td><td>20<\/td><td>1.06<\/td><td>5<\/td><td>1.17<\/td><\/tr><tr><td>56<\/td><td>0.92<\/td><td>18<\/td><td>1.07<\/td><td>&nbsp;<\/td><td><\/td><\/tr><\/tbody><\/table><figcaption class=\"wp-element-caption\">\u8eca\u8f2a\u8e0f\u9762\u63a5\u89e6\u5f37\u5ea6\u8a08\u7b97\u7528\u4fc2\u6570\u4e00\u89a7\u88682<\/figcaption><\/figure>\n\n\n\n<p>\u7b97\u5b9a\u4fc2\u6570\u4e00\u89a7\uff08\u88683\uff09<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table><thead><tr><th>\u904b\u55b6\u7d44\u7e54\u5b9f\u52d9\u30ec\u30d9\u30eb<\/th><th>C<sub>2<\/sub><\/th><\/tr><\/thead><tbody><tr><td>M1\uff5eM3<\/td><td>1.25<\/td><\/tr><tr><td>M4<\/td><td>1.12<\/td><\/tr><tr><td>M5<\/td><td>1.00<\/td><\/tr><tr><td>M6<\/td><td>0.9<\/td><\/tr><tr><td>M7\u3001M8<\/td><td>0.8<\/td><\/tr><\/tbody><\/table><figcaption class=\"wp-element-caption\">\u8eca\u8f2a\u8e0f\u9762\u63a5\u89e6\u5f37\u5ea6\u8a08\u7b97\u7528\u4fc2\u6570\u4e00\u89a7\u88683<\/figcaption><\/figure>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"2-2-allowable-wheel-pressure-for-point-contact\">2.2 \u70b9\u63a5\u89e6\u6642\u306e\u8a31\u5bb9\u8eca\u8f2a\u5727\u529b\uff1a<\/h4>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"219\" height=\"62\" src=\"https:\/\/www.kscranegroup.com\/wp-content\/uploads\/2025\/06\/3Allowable-wheel-pressure-for-point-contact.png\" alt=\"\" class=\"wp-image-8526\"\/><\/figure>\n\n\n\n<ul>\n<li>P<sub>C <\/sub>\u2014- \u8eca\u8f2a\u75b2\u52b4\u8a08\u7b97\u8377\u91cd\uff08N\uff09&nbsp;<\/li>\n\n\n\n<li>K<sub>2 <\/sub>\u2014\u2013 \u6750\u6599\u95a2\u9023\u306e\u8a31\u5bb9\u70b9\u63a5\u89e6\u5fdc\u529b\u5b9a\u6570\uff08N\/mm2\uff09\u3001\u88681\u306b\u5f93\u3063\u3066\u9078\u629e\u3055\u308c\u308b\u3002&nbsp;<\/li>\n\n\n\n<li>R \u2014\u2013 \u66f2\u7387\u534a\u5f84\u3002\u8eca\u8f2a\u306e\u66f2\u7387\u534a\u5f84\u3068\u30c8\u30e9\u30c3\u30af\u306e\u66f2\u7387\u534a\u5f84\u306e\u3046\u3061\u5927\u304d\u3044\u65b9\u306e\u5024\u3092\u3068\u308a\u307e\u3059\uff08mm\uff09\u3002&nbsp;<\/li>\n\n\n\n<li>M \u2014\u2014 \u8ecc\u9053\u4e0a\u8868\u9762\u3068\u8eca\u8f2a\u306e\u66f2\u7387\u534a\u5f84\u306e\u6bd4\uff08r\/R\uff09\u306f\u3001\u88684\u306b\u5f93\u3063\u3066\u9078\u629e\u3055\u308c\u308b\u3002&nbsp;<\/li>\n\n\n\n<li>C<sub>1 <\/sub>\u2014\u2013 \u88683\u306b\u5f93\u3063\u3066\u9078\u629e\u3055\u308c\u305f\u901f\u5ea6\u4fc2\u6570\u3002&nbsp;<\/li>\n\n\n\n<li>C<sub>2 <\/sub>\u2014\u2013 \u88684\u306b\u5f93\u3063\u3066\u9078\u629e\u3055\u308c\u305f\u4f5c\u696d\u30ec\u30d9\u30eb\u4fc2\u6570\u3002<\/li>\n<\/ul>\n\n\n\n<p>\u7b97\u5b9a\u4fc2\u6570\u4e00\u89a7\uff08\u88684\uff09<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table><tbody><tr><td>r\/R<\/td><td>1.0<\/td><td>0.9<\/td><td>0.8<\/td><td>0.7<\/td><td>0.6<\/td><td>0.5<\/td><td>0.4<\/td><td>0.3<\/td><\/tr><tr><td>m<\/td><td>0.388<\/td><td>0.400<\/td><td>0.420<\/td><td>0.440<\/td><td>0.468<\/td><td>0.490<\/td><td>0.536<\/td><td>0.600<\/td><\/tr><\/tbody><\/table><figcaption class=\"wp-element-caption\">\u8eca\u8f2a\u8e0f\u9762\u63a5\u89e6\u5f37\u5ea6\u8a08\u7b97\u7528\u4fc2\u6570\u4e00\u89a7\u88684<\/figcaption><\/figure>\n\n\n\n<p><em>\u6ce8\u610f\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/em><\/p>\n\n\n\n<p><em>1. r\/R\u304c\u4ed6\u306e\u5024\u306e\u5834\u5408\u3001m\u5024\u306f\u88dc\u9593\u306b\u3088\u3063\u3066\u8a08\u7b97\u3055\u308c\u307e\u3059\u3002<\/em><\/p>\n\n\n\n<p><em>2. r \u306f\u63a5\u89e6\u9762\u306e\u66f2\u7387\u534a\u5f84\u306e\u5c0f\u3055\u3044\u5024\u3067\u3059\u3002<\/em><\/p>\n\n\n\n<p>\u4e0a\u8a18\u306e\u8a08\u7b97\u306f\u3001\u8a2d\u5b9a\u3055\u308c\u305f\u76f4\u5f84\u3092\u6301\u3064\u8eca\u8f2a\u306e\u691c\u8a3c\u3092\u691c\u8a3c\u3059\u308b\u305f\u3081\u306b\u4f7f\u7528\u3067\u304d\u3001\u8eca\u8f2a\u306e\u6709\u52b9\u306a\u6700\u5927\u8377\u91cd\u5bb9\u91cf\u3068\u5bf8\u6cd5\u306e\u59a5\u5f53\u6027\uff08\u8eca\u8f2a\u306e\u76f4\u5f84\u3001\u8eca\u8f2a\u306e\u5bf8\u6cd5\u3068\u30c8\u30e9\u30c3\u30af\u306e\u9069\u5408\u306a\u3069\uff09\u3092\u5224\u5b9a\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u5927\u578b\u8eca\u4e21\u306e\u30db\u30a4\u30fc\u30eb\u30bb\u30c3\u30c8\u306e\u6700\u5927\u8a31\u5bb9\u30db\u30a4\u30fc\u30eb\u5727\u529b\u8868\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table><tbody><tr><td rowspan=\"4\">\u30db\u30a4\u30fc\u30eb\u76f4\u5f84\/mm<\/td><td rowspan=\"4\">\u9244\u9053\u6a21\u578b<\/td><td rowspan=\"4\">\u4f5c\u696d\u30ec\u30d9\u30eb<\/td><td colspan=\"9\">\u8d70\u884c\u901f\u5ea6\/(m\/\u5206)<\/td><\/tr><tr><td colspan=\"9\">\u54c1\u8cea\u7ba1\u7406<\/td><\/tr><tr><td colspan=\"3\">60\u672a\u6e80<\/td><td colspan=\"3\">60~90<\/td><td colspan=\"3\">\uff1e90\uff5e180<\/td><\/tr><tr><td>1.1<\/td><td>0.5<\/td><td>0.15<\/td><td>1.1<\/td><td>0.5<\/td><td>0.15<\/td><td>1.1<\/td><td>0.5<\/td><td>0.15<\/td><\/tr><tr><td rowspan=\"8\">500<\/td><td rowspan=\"4\">P38<\/td><td>M1\uff5eM3<\/td><td>20.6<\/td><td>19.7<\/td><td>18<\/td><td>18.7<\/td><td>17.9<\/td><td>16.4<\/td><td>17.2<\/td><td>16.4<\/td><td>15<\/td><\/tr><tr><td>M4\u3001M5<\/td><td>17.2<\/td><td>16.4<\/td><td>15<\/td><td>15.6<\/td><td>15<\/td><td>13.7<\/td><td>14.4<\/td><td>13.7<\/td><td>12.5<\/td><\/tr><tr><td>M6\u3001M7<\/td><td>14.7<\/td><td>14.1<\/td><td>12.9<\/td><td>13.4<\/td><td>12.8<\/td><td>11.7<\/td><td>12.3<\/td><td>11.7<\/td><td>10.7<\/td><\/tr><tr><td>M8<\/td><td>12.9<\/td><td>12.3<\/td><td>11.3<\/td><td>11.7<\/td><td>11.2<\/td><td>10.3<\/td><td>10.7<\/td><td>10.3<\/td><td>9.4<\/td><\/tr><tr><td rowspan=\"4\">QU70<\/td><td>M1\uff5eM3<\/td><td>26<\/td><td>24.3<\/td><td>22.7<\/td><td>23.6<\/td><td>22.6<\/td><td>20.6<\/td><td>21.7<\/td><td>20.7<\/td><td>19<\/td><\/tr><tr><td>M4\u3001M5<\/td><td>21.7<\/td><td>20.7<\/td><td>19<\/td><td>19.7<\/td><td>18.9<\/td><td>17.2<\/td><td>18.1<\/td><td>17.3<\/td><td>15.9<\/td><\/tr><tr><td>M6\u3001M7<\/td><td>18.6<\/td><td>17.7<\/td><td>16.2<\/td><td>16.9<\/td><td>16.2<\/td><td>14.7<\/td><td>15.5<\/td><td>14.8<\/td><td>13.6<\/td><\/tr><tr><td>M8<\/td><td>16.3<\/td><td>15.5<\/td><td>14.2<\/td><td>14.8<\/td><td>14.1<\/td><td>12.9<\/td><td>13.6<\/td><td>12.9<\/td><td>11.6<\/td><\/tr><tr><td rowspan=\"8\">600<\/td><td rowspan=\"4\">P38P43<\/td><td>M1\uff5eM3<\/td><td>24.6<\/td><td>23.5<\/td><td>21.5<\/td><td>22.4<\/td><td>21.4<\/td><td>19.5<\/td><td>20.6<\/td><td>19.6<\/td><td>18<\/td><\/tr><tr><td>M4\u3001M5<\/td><td>20.6<\/td><td>19.6<\/td><td>18<\/td><td>19.7<\/td><td>17.8<\/td><td>16.3<\/td><td>17.2<\/td><td>16.4<\/td><td>15<\/td><\/tr><tr><td>M6\u3001M7<\/td><td>17.6<\/td><td>16.8<\/td><td>15.4<\/td><td>16<\/td><td>15.3<\/td><td>14<\/td><td>14.7<\/td><td>14<\/td><td>12.9<\/td><\/tr><tr><td>M8<\/td><td>15.4<\/td><td>14.7<\/td><td>13.4<\/td><td>14<\/td><td>13.4<\/td><td>12.2<\/td><td>12.9<\/td><td>12.3<\/td><td>11.3<\/td><\/tr><tr><td rowspan=\"4\">QU70<\/td><td>M1\uff5eM3<\/td><td>32<\/td><td>30.5<\/td><td>27.9<\/td><td>29.2<\/td><td>27.8<\/td><td>25.4<\/td><td>26.7<\/td><td>25.5<\/td><td>23.3<\/td><\/tr><tr><td>M4\u3001M5<\/td><td>26.7<\/td><td>25.5<\/td><td>23.3<\/td><td>24.4<\/td><td>23.2<\/td><td>21.2<\/td><td>22.3<\/td><td>21.3<\/td><td>19.4<\/td><\/tr><tr><td>M6\u3001M7<\/td><td>22.9<\/td><td>21.8<\/td><td>19.9<\/td><td>20.9<\/td><td>19.9<\/td><td>18.1<\/td><td>19.1<\/td><td>18.2<\/td><td>16.7<\/td><\/tr><tr><td>M8<\/td><td>20<\/td><td>19.1<\/td><td>17.4<\/td><td>18.3<\/td><td>17.4<\/td><td>15.8<\/td><td>16.7<\/td><td>15.9<\/td><td>14.0<\/td><\/tr><tr><td rowspan=\"8\">700<\/td><td rowspan=\"4\">P43<\/td><td>M1\uff5eM3<\/td><td>28<\/td><td>26.8<\/td><td>24.5<\/td><td>25.5<\/td><td>24.4<\/td><td>22.3<\/td><td>23.4<\/td><td>22.4<\/td><td>20.4<\/td><\/tr><tr><td>M4\u3001M5<\/td><td>23.4<\/td><td>22.4<\/td><td>20.4<\/td><td>21.3<\/td><td>20.4<\/td><td>18.6<\/td><td>19.5<\/td><td>18.7<\/td><td>17<\/td><\/tr><tr><td>M6\u3001M7<\/td><td>20<\/td><td>19.2<\/td><td>17.5<\/td><td>18.3<\/td><td>17.4<\/td><td>15.9<\/td><td>16.7<\/td><td>16<\/td><td>14.6<\/td><\/tr><tr><td>M8<\/td><td>17.5<\/td><td>16.7<\/td><td>15.3<\/td><td>15.9<\/td><td>15.2<\/td><td>13.9<\/td><td>14.6<\/td><td>14<\/td><td>12.7<\/td><\/tr><tr><td rowspan=\"4\">QU70<\/td><td>M1\uff5eM3<\/td><td>38.6<\/td><td>36.8<\/td><td>33.6<\/td><td>35.2<\/td><td>33.5<\/td><td>30.6<\/td><td>32.2<\/td><td>30.7<\/td><td>28<\/td><\/tr><tr><td>M4\u3001M5<\/td><td>32.2<\/td><td>30.726<\/td><td>28<\/td><td>29.4<\/td><td>28<\/td><td>25.6<\/td><td>26.9<\/td><td>25.6<\/td><td>23.4<\/td><\/tr><tr><td>M6\u3001M7<\/td><td>27.6<\/td><td>3<\/td><td>24<\/td><td>25.2<\/td><td>24<\/td><td>21.9<\/td><td>23<\/td><td>22<\/td><td>20<\/td><\/tr><tr><td>M8<\/td><td>24.2<\/td><td>23<\/td><td>21<\/td><td>22<\/td><td>21<\/td><td>19.1<\/td><td>20.1<\/td><td>19.2<\/td><td>17.5<\/td><\/tr><tr><td rowspan=\"4\">800<\/td><td rowspan=\"4\">QU70<\/td><td>M1\uff5eM3<\/td><td>43.7<\/td><td>41.7<\/td><td>38.1<\/td><td>39.8<\/td><td>38<\/td><td>34.7<\/td><td>36.4<\/td><td>34.8<\/td><td>31.8<\/td><\/tr><tr><td>M4\u3001M5<\/td><td>36.4<\/td><td>34.8<\/td><td>31.8<\/td><td>33.2<\/td><td>31.7<\/td><td>29<\/td><td>30.4<\/td><td>29<\/td><td>26.6<\/td><\/tr><tr><td>M6\u3001M7<\/td><td>31.2<\/td><td>29.8<\/td><td>27.2<\/td><td>28.4<\/td><td>27.2<\/td><td>24.8<\/td><td>26<\/td><td>24.9<\/td><td>22.7<\/td><\/tr><tr><td>M8<\/td><td>27.3<\/td><td>26.1<\/td><td>23.8<\/td><td>24.9<\/td><td>23.8<\/td><td>21.7<\/td><td>22.8<\/td><td>21.8<\/td><td>19.8<\/td><\/tr><tr><td rowspan=\"4\">900<\/td><td rowspan=\"4\">QU80<\/td><td>M1\uff5eM3<\/td><td>50.5<\/td><td>48.1<\/td><td>44<\/td><td>46<\/td><td>43.7<\/td><td>40<\/td><td>42.2<\/td><td>40.2<\/td><td>36.8<\/td><\/tr><tr><td>M4\u3001M5<\/td><td>42.4<\/td><td>40.2<\/td><td>36.8<\/td><td>38.4<\/td><td>36.5<\/td><td>33.4<\/td><td>35.2<\/td><td>33.6<\/td><td>30.7<\/td><\/tr><tr><td>M6\u3001M7<\/td><td>36.1<\/td><td>34.4<\/td><td>31.5<\/td><td>32.9<\/td><td>31.2<\/td><td>28.6<\/td><td>30.2<\/td><td>28.8<\/td><td>26.3<\/td><\/tr><tr><td>M8<\/td><td>31.6<\/td><td>30.1<\/td><td>27.5<\/td><td>28.8<\/td><td>27.3<\/td><td>25<\/td><td>26.4<\/td><td>25.1<\/td><td>23<\/td><\/tr><\/tbody><\/table><figcaption class=\"wp-element-caption\">\u5927\u578b\u8eca\u4e21\u306e\u30db\u30a4\u30fc\u30eb\u30bb\u30c3\u30c8\u306e\u6700\u5927\u8a31\u5bb9\u30db\u30a4\u30fc\u30eb\u5727\u529b\u8868<\/figcaption><\/figure>\n\n\n\n<p>\u30c8\u30ed\u30ea\u30fc\u8eca\u8f2a\u30bb\u30c3\u30c8\u306e\u6700\u5927\u8a31\u5bb9\u8eca\u8f2a\u5727\u529b\u8868:<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table><tbody><tr><td rowspan=\"4\">\u30db\u30a4\u30fc\u30eb\u76f4\u5f84\/mm<\/td><td rowspan=\"4\">\u9244\u9053\u6a21\u578b<\/td><td rowspan=\"4\">\u4f5c\u696d\u30ec\u30d9\u30eb<\/td><td colspan=\"8\">\u8d70\u884c\u901f\u5ea6\/(m\/\u5206)<\/td><\/tr><tr><td colspan=\"8\">\u54c1\u8cea\u7ba1\u7406<\/td><\/tr><tr><td colspan=\"2\">60\u672a\u6e80<\/td><td colspan=\"2\">60~90<\/td><td colspan=\"2\">\uff1e90\uff5e180<\/td><td colspan=\"2\">\uff1e180<\/td><\/tr><tr><td>\u22651.6<\/td><td>0.9<\/td><td>\u22651.6<\/td><td>0.9<\/td><td>\u22651.6<\/td><td>0.9<\/td><td>\u22651.6<\/td><td>0.9<\/td><\/tr><tr><td rowspan=\"4\">250<\/td><td rowspan=\"4\">P11<\/td><td>M1\uff5eM3<\/td><td>3.3<\/td><td>3.09<\/td><td>2.91<\/td><td>2.81<\/td><td>2.67<\/td><td>2.58<\/td><td>2.46<\/td><td>2.34<\/td><\/tr><tr><td>M4\u3001M5<\/td><td>2.67<\/td><td>2.58<\/td><td>2.43<\/td><td>2.34<\/td><td>2.23<\/td><td>2.15<\/td><td>2.5<\/td><td>1.98<\/td><\/tr><tr><td>M6\u3001M7<\/td><td>2.38<\/td><td>2.51<\/td><td>2.08<\/td><td>2.01<\/td><td>1.91<\/td><td>1.84<\/td><td>1.76<\/td><td>1.7<\/td><\/tr><tr><td>M8<\/td><td>2<\/td><td>1.93<\/td><td>1.82<\/td><td>1.76<\/td><td>1.67<\/td><td>1.61<\/td><td>1.54<\/td><td>1.48<\/td><\/tr><tr><td rowspan=\"8\">350<\/td><td rowspan=\"4\">P18<\/td><td>M1\uff5eM3<\/td><td>4.18<\/td><td>4.03<\/td><td>3.8<\/td><td>3.66<\/td><td>3.49<\/td><td>3.36<\/td><td>3.22<\/td><td>3.1<\/td><\/tr><tr><td>M4\u3001M5<\/td><td>3.49<\/td><td>3.36<\/td><td>3.17<\/td><td>3.06<\/td><td>2.91<\/td><td>2.8<\/td><td>2.68<\/td><td>2.59<\/td><\/tr><tr><td>M6\u3001M7<\/td><td>2.99<\/td><td>2.88<\/td><td>2.72<\/td><td>2.62<\/td><td>2.5<\/td><td>2.4<\/td><td>3.2<\/td><td>2.22<\/td><\/tr><tr><td>M8<\/td><td>2.61<\/td><td>2.52<\/td><td>2.38<\/td><td>2.29<\/td><td>2.18<\/td><td>2.1<\/td><td>2.01<\/td><td>1.94<\/td><\/tr><tr><td rowspan=\"4\">P24<\/td><td>M1\uff5eM3<\/td><td>14.1<\/td><td>13.5<\/td><td>12.8<\/td><td>12.3<\/td><td>11.8<\/td><td>11.3<\/td><td>10.9<\/td><td>10.4<\/td><\/tr><tr><td>M4\u3001M5<\/td><td>11.8<\/td><td>11.3<\/td><td>10.7<\/td><td>10.3<\/td><td>9.85<\/td><td>9.45<\/td><td>9.1<\/td><td>8.7<\/td><\/tr><tr><td>M6\u3001M7<\/td><td>10.1<\/td><td>9.65<\/td><td>9.15<\/td><td>8.8<\/td><td>8.45<\/td><td>8.1<\/td><td>7.8<\/td><td>7.45<\/td><\/tr><tr><td>M8<\/td><td>8.8<\/td><td>8.45<\/td><td>8<\/td><td>7.7<\/td><td>7.4<\/td><td>7.06<\/td><td>6.8<\/td><td>6.5<\/td><\/tr><tr><td rowspan=\"4\">400<\/td><td rowspan=\"4\">P38<\/td><td>M1\uff5eM3<\/td><td>16<\/td><td>15.4<\/td><td>14.6<\/td><td>14<\/td><td>13.4<\/td><td>12.8<\/td><td>12.3<\/td><td>11.85<\/td><\/tr><tr><td>M4\u3001M5<\/td><td>13.4<\/td><td>15.8<\/td><td>12.2<\/td><td>11.7<\/td><td>11.2<\/td><td>10.7<\/td><td>10.3<\/td><td>9.9<\/td><\/tr><tr><td>M6\u3001M7<\/td><td>11.4<\/td><td>11<\/td><td>10.4<\/td><td>10<\/td><td>9.6<\/td><td>9.15<\/td><td>8.8<\/td><td>8.5<\/td><\/tr><tr><td>M8<\/td><td>10<\/td><td>9.6<\/td><td>9.15<\/td><td>8.75<\/td><td>8.4<\/td><td>8<\/td><td>7.7<\/td><td>7.4<\/td><\/tr><tr><td rowspan=\"4\">500<\/td><td rowspan=\"4\">P43<\/td><td>M1\uff5eM3<\/td><td>19.8<\/td><td>19.1<\/td><td>18<\/td><td>17.4<\/td><td>16.5<\/td><td>15.9<\/td><td>15.2<\/td><td>14.7<\/td><\/tr><tr><td>M4\u3001M5<\/td><td>16.5<\/td><td>15.9<\/td><td>15<\/td><td>14.5<\/td><td>13.8<\/td><td>13.3<\/td><td>12.7<\/td><td>12.25<\/td><\/tr><tr><td>M6\u3001M7<\/td><td>14.15<\/td><td>13.7<\/td><td>12.9<\/td><td>12.45<\/td><td>11.8<\/td><td>11.4<\/td><td>10.9<\/td><td>10.5<\/td><\/tr><tr><td>M8<\/td><td>12.4<\/td><td>11.9<\/td><td>11.25<\/td><td>10.9<\/td><td>10.3<\/td><td>9.95<\/td><td>9.5<\/td><td>9.2<\/td><\/tr><\/tbody><\/table><figcaption class=\"wp-element-caption\">\u30c8\u30ed\u30ea\u30fc\u8eca\u8f2a\u30bb\u30c3\u30c8\u306e\u6700\u5927\u8a31\u5bb9\u8eca\u8f2a\u5727\u529b\u8868<\/figcaption><\/figure>\n\n\n\n<p><em>\u6ce8\uff1a\u3053\u306e\u8868\u306e\u5024\u306f\u3001\u30db\u30a4\u30fc\u30eb\u6750\u8ceaZG310-570\u3001HB320\u306b\u57fa\u3065\u3044\u3066\u8a08\u7b97\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u30db\u30a4\u30fc\u30eb\u6750\u8cea\u304cZG50MnMo\u3001\u30db\u30a4\u30fc\u30eb\u8ef8\u304c45\u3001HB = 228\u301c255\u306e\u5834\u5408\u3001\u6700\u5927\u8a31\u5bb9\u30db\u30a4\u30fc\u30eb\u5727\u529b\u306f20%\u5897\u52a0\u3067\u304d\u307e\u3059\u3002&nbsp;<\/em><\/p>\n\n\n\n<p><em>Q \u2013 \u30af\u30ec\u30fc\u30f3\u306e\u540a\u308a\u4e0a\u3052\u80fd\u529b;&nbsp;<\/em><\/p>\n\n\n\n<p><em>G \u2014 \u30af\u30ec\u30fc\u30f3\u306e\u30c7\u30c3\u30c9\u30a6\u30a7\u30a4\u30c8\u3002<\/em><\/p>\n\n\n\n<p>\u30af\u30ec\u30fc\u30f3\u306e\u8eca\u8f2a\u8377\u91cd\u8a08\u7b97\u306f\u3001\u30af\u30ec\u30fc\u30f3\u306e\u5b89\u5168\u6027\u3001\u5b89\u5b9a\u6027\u3001\u8010\u4e45\u6027\u3092\u78ba\u4fdd\u3059\u308b\u305f\u3081\u306e\u57fa\u672c\u7684\u306a\u4f5c\u696d\u3067\u3059\u3002\u8eca\u8f2a\u8377\u91cd\u3092\u6b63\u78ba\u306b\u8a08\u7b97\u3059\u308b\u3053\u3068\u3067\u3001\u30af\u30ec\u30fc\u30f3\u306e\u8a2d\u8a08\u3092\u6700\u9069\u5316\u3057\u3001\u9069\u5207\u306a\u6750\u6599\u3068\u88fd\u9020\u30d7\u30ed\u30bb\u30b9\u3092\u9078\u629e\u3057\u3001\u8a2d\u5099\u5168\u4f53\u306e\u6027\u80fd\u3092\u5411\u4e0a\u3055\u305b\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u3053\u306e\u3088\u3046\u306b\u3001\u30af\u30ec\u30fc\u30f3\u306e\u8eca\u8f2a\u8377\u91cd\u8a08\u7b97\u306f\u8907\u96d1\u3067\u3042\u308a\u306a\u304c\u3089\u91cd\u8981\u306a\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u3067\u3042\u308a\u3001\u53b3\u5bc6\u306a\u5206\u6790\u3068\u8a08\u7b97\u3092\u901a\u3058\u3066\u5b9f\u73fe\u3055\u308c\u306a\u3051\u308c\u3070\u306a\u308a\u307e\u305b\u3093\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"hidden-dangers-of-crane-wheels-not-meeting-the-standard\">\u57fa\u6e96\u3092\u6e80\u305f\u3055\u306a\u3044\u30af\u30ec\u30fc\u30f3\u30db\u30a4\u30fc\u30eb\u306e\u96a0\u308c\u305f\u5371\u967a\u6027&nbsp;<\/h2>\n\n\n\n<p>\u30af\u30ec\u30fc\u30f3\u30db\u30a4\u30fc\u30eb\u304c\u57fa\u6e96\u3092\u6e80\u305f\u3057\u3066\u3044\u306a\u3044\u5834\u5408\u3001\u6a5f\u5668\u306e\u6027\u80fd\u3001\u5b89\u5168\u6027\u3001\u9577\u671f\u4f7f\u7528\u306b\u91cd\u5927\u306a\u5f71\u97ff\u3092\u53ca\u307c\u3057\u3001\u6b21\u306e\u5074\u9762\u306b\u73fe\u308c\u307e\u3059\u3002&nbsp;<\/p>\n\n\n\n<p>1. \u5b89\u5168\u4e0a\u306e\u5371\u967a\u306e\u5897\u5927<\/p>\n\n\n\n<ul>\n<li>\u8eca\u8f2a\u306e\u7834\u640d\u307e\u305f\u306f\u6545\u969c\uff1a\u8eca\u8f2a\u306e\u6750\u8cea\u304c\u898f\u683c\u306b\u9069\u5408\u3057\u3066\u3044\u306a\u3044\u5834\u5408\u3001\u30af\u30ec\u30fc\u30f3\u306e\u901a\u5e38\u306e\u8377\u91cd\u306b\u8010\u3048\u3089\u308c\u305a\u3001\u7834\u640d\u3084\u6df1\u523b\u306a\u6469\u8017\u304c\u767a\u751f\u3057\u3084\u3059\u304f\u306a\u308a\u307e\u3059\u3002\u3053\u308c\u306f\u3001\u7279\u306b\u9ad8\u8377\u91cd\u307e\u305f\u306f\u6025\u901f\u306a\u64cd\u4f5c\u306e\u5834\u5408\u3001\u30aa\u30da\u30ec\u30fc\u30bf\u30fc\u306e\u5b89\u5168\u3092\u76f4\u63a5\u8105\u304b\u3057\u3001\u4e8b\u6545\u306b\u3064\u306a\u304c\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002<\/li>\n\n\n\n<li>\u7dda\u8def\u306e\u504f\u5411\u307e\u305f\u306f\u8131\u7dda: \u6a19\u6e96\u4ee5\u4e0b\u306e\u8eca\u8f2a\u3092\u4f7f\u7528\u3059\u308b\u3068\u3001\u8eca\u8f2a\u3068\u7dda\u8def\u306e\u63a5\u89e6\u304c\u60aa\u304f\u306a\u308a\u3001\u30af\u30ec\u30fc\u30f3\u306e\u504f\u5411\u3084\u8131\u7dda\u3092\u5f15\u304d\u8d77\u3053\u3057\u3001\u4e8b\u6545\u306e\u30ea\u30b9\u30af\u304c\u9ad8\u307e\u308a\u307e\u3059\u3002<\/li>\n<\/ul>\n\n\n\n<p>2. \u6469\u8017\u3068\u640d\u50b7\u306e\u5897\u52a0<\/p>\n\n\n\n<ul>\n<li>\u504f\u6469\u8017\uff1a\u8eca\u8f2a\u306e\u54c1\u8cea\u304c\u57fa\u6e96\u3092\u6e80\u305f\u3057\u3066\u3044\u306a\u3044\u5834\u5408\u3001\u8868\u9762\u306b\u786c\u5ea6\u306e\u4e0d\u5747\u4e00\u6027\u3084\u69cb\u9020\u306e\u4e0d\u5747\u4e00\u6027\u306a\u3069\u306e\u6b20\u9665\u304c\u751f\u3058\u3001\u504f\u6469\u8017\u306b\u3064\u306a\u304c\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002\u3053\u306e\u504f\u6469\u8017\u306f\u8eca\u8f2a\u3068\u8ecc\u9053\u306e\u640d\u50b7\u3092\u52a0\u901f\u3055\u305b\u3001\u30e1\u30f3\u30c6\u30ca\u30f3\u30b9\u30b3\u30b9\u30c8\u306e\u5897\u52a0\u306b\u3064\u306a\u304c\u308a\u307e\u3059\u3002<\/li>\n\n\n\n<li>\u904e\u5ea6\u306e\u6469\u8017: \u6a19\u6e96\u4ee5\u4e0b\u306e\u30db\u30a4\u30fc\u30eb\u306f\u9577\u671f\u9593\u306e\u4f7f\u7528\u3067\u6025\u901f\u306b\u6469\u8017\u3057\u3001\u30db\u30a4\u30fc\u30eb\u306e\u5bf8\u6cd5\u304c\u5909\u5316\u3057\u3066\u30af\u30ec\u30fc\u30f3\u306e\u5b89\u5b9a\u6027\u3068\u64cd\u4f5c\u7cbe\u5ea6\u306b\u5f71\u97ff\u3092\u4e0e\u3048\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002<\/li>\n<\/ul>\n\n\n\n<p>3. 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