{"id":16017,"date":"2026-09-09T06:46:06","date_gmt":"2026-09-09T06:46:06","guid":{"rendered":"https:\/\/www.hndfcrane.com\/?post_type=posts&#038;p=16017"},"modified":"2026-09-09T09:40:34","modified_gmt":"2026-09-09T09:40:34","slug":"crane-drum-web-to-shaft-weld-crack-cause-analysis","status":"publish","type":"posts","link":"https:\/\/www.hndfcrane.com\/zh\/posts\/crane-drum-web-to-shaft-weld-crack-cause-analysis\/","title":{"rendered":"\u8d77\u91cd\u673a\u6eda\u7b52\u8179\u677f\u4e0e\u8f74\u710a\u63a5\u88c2\u7eb9\u539f\u56e0\u5206\u6790"},"content":{"rendered":"<div class=\"wp-block-rank-math-toc-block\" id=\"rank-math-toc\"><p>\u76ee\u5f55<\/p><nav><ul><li><a href=\"#1-relationship-between-the-crane-drum-web-plate-hub-and-shaft\">1. \u8d77\u91cd\u673a\u6eda\u7b52\u3001\u8179\u677f\u3001\u8f6e\u6bc2\u548c\u8f74\u4e4b\u95f4\u7684\u5173\u7cfb<\/a><\/li><li><a href=\"#2-why-the-crack-appears-near-the-drum-shaft-side\">2. \u4e3a\u4ec0\u4e48\u88c2\u7eb9\u4f1a\u51fa\u73b0\u5728\u6eda\u7b52\u8f74\u4fa7\u9644\u8fd1<\/a><ul><li><a href=\"#2-1-stress-concentration-from-a-sudden-section-change\">2.1 \u622a\u9762\u7a81\u53d8\u5f15\u8d77\u7684\u5e94\u529b\u96c6\u4e2d<\/a><\/li><li><a href=\"#2-2-cyclic-stress-and-impact-loading\">2.2 \u5faa\u73af\u5e94\u529b\u548c\u51b2\u51fb\u8f7d\u8377<\/a><\/li><li><a href=\"#2-3-welding-residual-stress\">2.3 \u710a\u63a5\u6b8b\u4f59\u5e94\u529b<\/a><\/li><\/ul><\/li><li><a href=\"#3-development-process-of-the-web-plate-crack\">3. \u8179\u677f\u88c2\u7eb9\u7684\u53d1\u5c55\u8fc7\u7a0b<\/a><\/li><li><a href=\"#4-common-causes-of-crane-drum-web-to-shaft-weld-cracking\">4. \u8d77\u91cd\u673a\u5377\u7b52\u8179\u677f\u4e0e\u8f74\u710a\u63a5\u5904\u5f00\u88c2\u7684\u5e38\u89c1\u539f\u56e0<\/a><ul><li><a href=\"#4-1-structural-design-factors\">4.1 \u7ed3\u6784\u8bbe\u8ba1\u56e0\u7d20<\/a><\/li><li><a href=\"#4-2-welding-quality-factors\">4.2 \u710a\u63a5\u8d28\u91cf\u56e0\u7d20<\/a><\/li><li><a href=\"#4-3-operating-loads-beyond-design-conditions\">4.3 \u8d85\u51fa\u8bbe\u8ba1\u5de5\u51b5\u7684\u8fd0\u884c\u8f7d\u8377<\/a><\/li><li><a href=\"#4-4-manufacturing-and-assembly-errors\">4.4 \u5236\u9020\u548c\u88c5\u914d\u8bef\u5dee<\/a><\/li><li><a href=\"#4-5-corrosion-and-environmental-factors\">4.5 \u8150\u8680\u548c\u73af\u5883\u56e0\u7d20<\/a><\/li><\/ul><\/li><li><a href=\"#5-inspection-repair-and-prevention-measures\">5. \u68c0\u67e5\u3001\u7ef4\u4fee\u548c\u9884\u9632\u63aa\u65bd<\/a><\/li><\/ul><\/nav><\/div>\n\n\n\n<p>\u672c\u6587\u5bf9\u4e00\u53f0\u957f\u671f\u670d\u5f79\u7684\u8d77\u91cd\u673a\u6eda\u7b52\u710a\u63a5\u88c2\u7eb9\u8fdb\u884c\u4e86\u5206\u6790\uff0c\u8be5\u8d77\u91cd\u673a\u6eda\u7b52\u8179\u677f\u4e0e\u6eda\u7b52\u8f74\u4e4b\u95f4\u7684\u710a\u63a5\u5904\u51fa\u73b0\u4e86\u88c2\u7eb9\u3002\u867d\u7136\u8089\u773c\u53ef\u89c1\u7684\u635f\u4f24\u4f3c\u4e4e\u662f\u5c40\u90e8\u91d1\u5c5e\u75b2\u52b3\u95ee\u9898\uff0c\u4f46\u5176\u6839\u672c\u539f\u56e0\u53ef\u80fd\u6d89\u53ca\u7ed3\u6784\u8bbe\u8ba1\u3001\u710a\u63a5\u5de5\u827a\u3001\u6750\u6599\u72b6\u51b5\u3001\u5e94\u529b\u4f20\u9012\u3001\u5236\u9020\u548c\u88c5\u914d\u8d28\u91cf\u4ee5\u53ca\u8fd0\u884c\u6761\u4ef6\u7b49\u591a\u4e2a\u65b9\u9762\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"1080\" height=\"720\" src=\"https:\/\/www.hndfcrane.com\/wp-content\/uploads\/2026\/09\/Cracking-of-the-weld-between-the-drum-web-and-the-drum-shaft.jpg\" alt=\"\" class=\"wp-image-16020\"\/><figcaption class=\"wp-element-caption\">\u8d77\u91cd\u673a\u6eda\u7b52\u8179\u677f\u4e0e\u8f74\u710a\u63a5\u88c2\u7eb9\u6848\u4f8b<\/figcaption><\/figure>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"1477\" height=\"1065\" src=\"https:\/\/www.hndfcrane.com\/wp-content\/uploads\/2026\/09\/Schematic-diagram-of-the-cracking-location-in-the-weld-between-the-drum-web-and-the-drum-shaft.png\" alt=\"\" class=\"wp-image-16021\"\/><figcaption class=\"wp-element-caption\">\u88c2\u7eb9\u4f4d\u7f6e\u4f4d\u4e8e\u6eda\u7b52\u8179\u677f\u548c\u6eda\u7b52\u8f74\u710a\u63a5\u5904<\/figcaption><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"1-relationship-between-the-crane-drum-web-plate-hub-and-shaft\">1. \u8d77\u91cd\u673a\u6eda\u7b52\u3001\u8179\u677f\u3001\u8f6e\u6bc2\u548c\u8f74\u4e4b\u95f4\u7684\u5173\u7cfb<\/h2>\n\n\n\n<p>\u5728\u8d77\u91cd\u8bbe\u5907\u4e2d\uff0c\u5377\u7b52\u662f\u7528\u4e8e\u7f20\u7ed5\u94a2\u4e1d\u7ef3\u5e76\u63d0\u5347\u6216\u7275\u5f15\u91cd\u7269\u7684\u5173\u952e\u4f20\u52a8\u90e8\u4ef6\u3002\u5377\u7b52\u7b52\u4f53\u627f\u8f7d\u94a2\u4e1d\u7ef3\uff0c\u800c\u901a\u5e38\u5728\u5176\u4e24\u7aef\u8bbe\u7f6e\u6709\u8fde\u63a5\u677f\uff0c\u7528\u4e8e\u5c06\u7b52\u4f53\u4e0e\u8f6e\u6bc2\u6216\u8f74\u8fde\u63a5\u8d77\u6765\u3002<\/p>\n\n\n\n<p>\u5728\u5e38\u89c1\u7684\u7ed3\u6784\u4e2d\uff0c\u8f6e\u6bc2\u710a\u63a5\u5728\u8179\u677f\u7684\u4e2d\u5fc3\u3002\u8f6e\u6bc2\u901a\u8fc7\u952e\u4e0e\u6eda\u7b52\u8f74\u8fde\u63a5\uff0c\u6eda\u7b52\u8f74\u7531\u8f74\u627f\u652f\u6491\u3002\u5728\u8fd9\u79cd\u60c5\u51b5\u4e0b\uff0c\u8179\u677f\u76f4\u63a5\u710a\u63a5\u5728\u6eda\u7b52\u8f74\u4e0a\uff0c\u6eda\u7b52\u8f74\u662f\u4e00\u6839\u957f\u8f74\u3002<\/p>\n\n\n\n<p>\u56e0\u6b64\uff0c\u8179\u677f\u4e0d\u4ec5\u662f\u8fde\u63a5\u677f\uff0c\u5b83\u8fd8\u8d1f\u8d23\u4f20\u9012\u6eda\u7b52\u58f3\u4f53\u548c\u6eda\u7b52\u8f74\u4e4b\u95f4\u7684\u626d\u77e9\u548c\u5f84\u5411\u529b\u3002\u4e00\u822c\u800c\u8a00\uff0c\u6eda\u7b52\u5931\u6548\u7684\u6587\u732e\u4e2d\u7ecf\u5e38\u63d0\u5230\u75b2\u52b3\u88c2\u7eb9\u662f\u4e3b\u8981\u5931\u6548\u539f\u56e0\uff1b\u672c\u6587\u5219\u66f4\u5177\u4f53\u5730\u63a2\u8ba8\u4e86\u88c2\u7eb9\u4e3a\u4f55\u53ef\u80fd\u4ece\u8179\u677f\u4e0e\u6eda\u7b52\u8f74\u4e4b\u95f4\u7684\u710a\u7f1d\u5904\u5f00\u59cb\u51fa\u73b0\u3002 <\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"2-why-the-crack-appears-near-the-drum-shaft-side\">2. \u4e3a\u4ec0\u4e48\u88c2\u7eb9\u4f1a\u51fa\u73b0\u5728\u6eda\u7b52\u8f74\u4fa7\u9644\u8fd1<\/h2>\n\n\n\n<p>\u4ece\u529b\u5b66\u89d2\u5ea6\u6765\u770b\uff0c\u6eda\u7b52\u8179\u677f\u662f\u4e00\u5757\u627f\u53d7\u626d\u8f6c\u3001\u5f2f\u66f2\u3001\u62c9\u538b\u548c\u9762\u5185\u526a\u5207\u4f5c\u7528\u7684\u8584\u677f\u3002\u5728\u6eda\u7b52\u8f74\u9644\u8fd1\uff0c\u53ef\u80fd\u540c\u65f6\u51fa\u73b0\u51e0\u79cd\u4e0d\u5229\u6761\u4ef6\uff1a\u622a\u9762\u7a81\u53d8\u3001\u710a\u63a5\u5f71\u54cd\u548c\u5faa\u73af\u8f7d\u8377\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"2-1-stress-concentration-from-a-sudden-section-change\">2.1 \u622a\u9762\u7a81\u53d8\u5f15\u8d77\u7684\u5e94\u529b\u96c6\u4e2d<\/h3>\n\n\n\n<p>\u5728\u9760\u8fd1\u6eda\u7b52\u8f74\u7684\u533a\u57df\uff0c\u7ed3\u6784\u7531\u76f8\u5bf9\u8f83\u539a\u7684\u8f74\u8fc7\u6e21\u5230\u8f83\u8584\u7684\u8179\u677f\u3002\u4e3a\u4e86\u4fbf\u4e8e\u8f74\u5411\u5b9a\u4f4d\u548c\u710a\u63a5\uff0c\u901a\u5e38\u5728\u4e0e\u8179\u677f\u5bf9\u5e94\u7684\u4f4d\u7f6e\u8bbe\u7f6e\u8f74\u80a9\u3002\u5982\u679c\u8fc7\u6e21\u534a\u5f84\u8fc7\u5c0f\u6216\u8fc7\u6e21\u4e0d\u591f\u5e73\u6ed1\uff0c\u5219\u53ef\u80fd\u53d1\u751f\u5e94\u529b\u96c6\u4e2d\u3002<\/p>\n\n\n\n<p>\u710a\u63a5\u7f3a\u9677\uff0c\u4f8b\u5982\u54ac\u8fb9\u548c\u672a\u7194\u900f\uff0c\u4e5f\u53ef\u80fd\u6210\u4e3a\u88c2\u7eb9\u840c\u751f\u7684\u6e90\u5934\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"2-2-cyclic-stress-and-impact-loading\">2.2 \u5faa\u73af\u5e94\u529b\u548c\u51b2\u51fb\u8f7d\u8377<\/h3>\n\n\n\n<p>\u5377\u7b52\u5de5\u4f5c\u65f6\uff0c\u94a2\u4e1d\u7ef3\u7f20\u7ed5\u4ea7\u751f\u7684\u62c9\u529b\u901a\u8fc7\u5377\u7b52\u7b52\u4f53\u4f20\u9012\u5230\u5377\u7b52\u8179\u677f\uff0c\u518d\u4f20\u9012\u5230\u5377\u7b52\u8f74\u3002\u6bcf\u6b21\u5377\u7ed5\u548c\u63d0\u5347\u52a8\u4f5c\u90fd\u4f1a\u5bf9\u8be5\u533a\u57df\u65bd\u52a0\u53cd\u590d\u8f7d\u8377\uff0c\u8fd9\u76f8\u5f53\u4e8e\u4f4e\u5468\u75b2\u52b3\u4e0e\u5c40\u90e8\u51b2\u51fb\u8f7d\u8377\u7684\u53e0\u52a0\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"2-3-welding-residual-stress\">2.3 \u710a\u63a5\u6b8b\u4f59\u5e94\u529b<\/h3>\n\n\n\n<p>\u5f53\u5377\u7b52\u8179\u677f\u4e0e\u5377\u7b52\u8f74\u710a\u63a5\u5728\u4e00\u8d77\u65f6\uff0c\u710a\u7f1d\u533a\u57df\u4f1a\u7ecf\u5386\u5c40\u90e8\u9ad8\u6e29\u548c\u51b7\u5374\u6536\u7f29\u3002\u5982\u679c\u710a\u63a5\u7ed3\u6784\u5728\u710a\u63a5\u540e\u672a\u8fdb\u884c\u5145\u5206\u9000\u706b\u6216\u5e94\u529b\u6d88\u9664\u5904\u7406\uff0c\u5219\u710a\u7f1d\u5468\u56f4\u4f1a\u6b8b\u7559\u6b8b\u4f59\u62c9\u5e94\u529b\u3002\u5f53\u8fd9\u79cd\u6b8b\u4f59\u62c9\u5e94\u529b\u4e0e\u8fd0\u884c\u8f7d\u8377\u53e0\u52a0\u65f6\uff0c\u88c2\u7eb9\u840c\u751f\u7684\u53ef\u80fd\u6027\u4f1a\u589e\u52a0\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"3-development-process-of-the-web-plate-crack\">3. \u8179\u677f\u88c2\u7eb9\u7684\u53d1\u5c55\u8fc7\u7a0b<\/h2>\n\n\n\n<p>\u88c2\u7eb9\u53d1\u5c55\u53ef\u4ee5\u5206\u4e3a\u4e09\u4e2a\u9636\u6bb5\u3002<\/p>\n\n\n\n<p>\u7b2c\u4e00\u9636\u6bb5\u662f\u88c2\u7eb9\u840c\u751f\u9636\u6bb5\u3002\u5728\u710a\u7f1d\u6839\u90e8\u6216\u8fc7\u6e21\u534a\u5f84\u5904\uff0c\u5fae\u89c2\u7f3a\u9677\u5728\u710a\u63a5\u6b8b\u4f59\u5e94\u529b\u548c\u52a0\u5de5\u5e94\u529b\u7684\u5171\u540c\u4f5c\u7528\u4e0b\u53ef\u80fd\u53d1\u5c55\u6210\u4e3a\u88c2\u7eb9\u6e90\u3002<\/p>\n\n\n\n<p>\u7b2c\u4e8c\u9636\u6bb5\u662f\u88c2\u7eb9\u6269\u5c55\u3002\u5728\u6bcf\u6b21\u8d77\u540a\u4f5c\u4e1a\u4e2d\uff0c\u8f7d\u8377\u6cbf\u76f8\u540c\u7684\u4f20\u9012\u8def\u5f84\u4f20\u9012\uff0c\u5cf0\u503c\u5e94\u529b\u91cd\u590d\u51fa\u73b0\u3002\u88c2\u7eb9\u6cbf\u6750\u6599\u6676\u754c\u9010\u6e10\u6269\u5c55\u3002\u65ad\u88c2\u9762\u53ef\u80fd\u5448\u73b0\u653e\u5c04\u72b6\u6216\u58f3\u72b6\u7279\u5f81\u3002<\/p>\n\n\n\n<p>\u7b2c\u4e09\u9636\u6bb5\u662f\u65ad\u88c2\u3002\u5f53\u5269\u4f59\u6709\u6548\u622a\u9762\u4e0d\u8db3\u4ee5\u627f\u53d7\u8f7d\u8377\u65f6\uff0c\u53ef\u80fd\u4f1a\u53d1\u751f\u7a81\u7136\u7684\u8106\u6027\u65ad\u88c2\uff0c\u5e76\u53ef\u80fd\u4f34\u6709\u8179\u677f\u6495\u88c2\u6216\u4e0e\u6eda\u7b52\u8f74\u5206\u79bb\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"4-common-causes-of-crane-drum-web-to-shaft-weld-cracking\">4. \u8d77\u91cd\u673a\u5377\u7b52\u8179\u677f\u4e0e\u8f74\u710a\u63a5\u5904\u5f00\u88c2\u7684\u5e38\u89c1\u539f\u56e0<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"4-1-structural-design-factors\">4.1 \u7ed3\u6784\u8bbe\u8ba1\u56e0\u7d20<\/h3>\n\n\n\n<p>\u5982\u679c\u8179\u677f\u4e0e\u8f6e\u6bc2\u6216\u6eda\u7b52\u8f74\u4e4b\u95f4\u7684\u8fc7\u6e21\u534a\u5f84\u4e0d\u5408\u7406\uff0c\u5e94\u529b\u53ef\u80fd\u4f1a\u53d1\u751f\u7a81\u53d8\u3002\u5982\u679c\u8179\u677f\u539a\u5ea6\u4e0d\u8db3\uff0c\u75b2\u52b3\u5f3a\u5ea6\u88d5\u5ea6\u4e5f\u53ef\u80fd\u4e0d\u8db3\u3002\u710a\u63a5\u4f4d\u7f6e\u9009\u62e9\u4e0d\u5f53\u4f1a\u8fdb\u4e00\u6b65\u589e\u52a0\u98ce\u9669\uff0c\u5c24\u5176\u662f\u5728\u710a\u7f1d\u4f4d\u4e8e\u9ad8\u5e94\u529b\u533a\u800c\u975e\u4f4e\u5e94\u529b\u533a\u65f6\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"4-2-welding-quality-factors\">4.2 \u710a\u63a5\u8d28\u91cf\u56e0\u7d20<\/h3>\n\n\n\n<p>\u5e38\u89c1\u7684\u710a\u63a5\u7f3a\u9677\u5305\u62ec\u672a\u7194\u900f\u3001\u5939\u6e23\u3001\u6c14\u5b54\u3001\u54ac\u8fb9\u548c\u710a\u7f1d\u75a4\u75d5\u3002\u5982\u679c\u710a\u63a5\u540e\u4e0d\u8fdb\u884c\u8d85\u58f0\u6ce2\u68c0\u6d4b\u6216\u5c04\u7ebf\u68c0\u6d4b\u7b49\u65e0\u635f\u68c0\u6d4b\uff0c\u9690\u853d\u7f3a\u9677\u53ef\u80fd\u4f1a\u957f\u671f\u5b58\u5728\u4e8e\u7ed3\u6784\u4e2d\u3002<\/p>\n\n\n\n<p>\u710a\u63a5\u53c2\u6570\u672a\u4f18\u5316\u4ee5\u53ca\u710a\u540e\u5e94\u529b\u6d88\u9664\u4e0d\u8db3\u4e5f\u4f1a\u589e\u52a0\u98ce\u9669\u3002\u5bf9\u4e8e\u5927\u578b\u7b52\u4f53\u7ed3\u6784\uff0c\u5e94\u529b\u6d88\u9664\u70ed\u5904\u7406\u53ef\u80fd\u96be\u4ee5\u5b9e\u65bd\u3002\u632f\u52a8\u5e94\u529b\u6d88\u9664\u4e5f\u53ef\u80fd\u96be\u4ee5\u5b8c\u5168\u5e94\u7528\uff0c\u800c\u81ea\u7136\u65f6\u6548\u6216\u5176\u4ed6\u65f6\u6548\u5904\u7406\u5219\u53ef\u80fd\u53d7\u5230\u9879\u76ee\u8fdb\u5ea6\u8981\u6c42\u7684\u5f71\u54cd\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"4-3-operating-loads-beyond-design-conditions\">4.3 \u8d85\u51fa\u8bbe\u8ba1\u5de5\u51b5\u7684\u8fd0\u884c\u8f7d\u8377<\/h3>\n\n\n\n<p>\u957f\u671f\u8d85\u8f7d\u8fd0\u884c\u4f1a\u589e\u52a0\u7ed3\u6784\u7684\u75b2\u52b3\u98ce\u9669\u3002\u8d77\u5347\u8fc7\u7a0b\u4e2d\u9891\u7e41\u7684\u542f\u52a8\u548c\u5236\u52a8\u4f1a\u4ea7\u751f\u8f83\u5927\u7684\u51b2\u51fb\u8f7d\u8377\u3002\u5982\u679c\u94a2\u4e1d\u7ef3\u5728\u5377\u7b52\u4e0a\u7684\u5e03\u7f6e\u4e0d\u5f53\uff0c\u4f1a\u5bfc\u81f4\u5377\u7b52\u4e0a\u7684\u53d7\u529b\u5206\u5e03\u4e0d\u5747\u5300\uff0c\u5c40\u90e8\u5e94\u529b\u53ef\u80fd\u8fdc\u9ad8\u4e8e\u8bbe\u8ba1\u503c\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"4-4-manufacturing-and-assembly-errors\">4.4 \u5236\u9020\u548c\u88c5\u914d\u8bef\u5dee<\/h3>\n\n\n\n<p>\u5982\u679c\u8179\u677f\u5185\u5b54\u4e0e\u8f74\u4e4b\u95f4\u7684\u914d\u5408\u8fc7\u7d27\u6216\u8fc7\u677e\uff0c\u521d\u59cb\u5c40\u90e8\u5e94\u529b\u53ef\u80fd\u4f1a\u5206\u5e03\u4e0d\u5747\u3002\u672a\u5b8c\u5168\u91ca\u653e\u7684\u88c5\u914d\u5e94\u529b\u53ef\u80fd\u4f1a\u4e0e\u8fd0\u884c\u5e94\u529b\u53e0\u52a0\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"4-5-corrosion-and-environmental-factors\">4.5 \u8150\u8680\u548c\u73af\u5883\u56e0\u7d20<\/h3>\n\n\n\n<p>\u5f53\u6eda\u7b52\u957f\u65f6\u95f4\u66b4\u9732\u5728\u6f6e\u6e7f\u6216\u8150\u8680\u6027\u73af\u5883\u4e2d\u65f6\uff0c\u710a\u63a5\u533a\u57df\u66f4\u5bb9\u6613\u53d1\u751f\u8150\u8680\u3002\u8150\u8680\u533a\u57df\u4e5f\u662f\u5fae\u88c2\u7eb9\u840c\u751f\u7684\u5e38\u89c1\u4f4d\u7f6e\u3002 <\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"5-inspection-repair-and-prevention-measures\">5. \u68c0\u67e5\u3001\u7ef4\u4fee\u548c\u9884\u9632\u63aa\u65bd<\/h2>\n\n\n\n<p>\u5bf9\u4e8e\u73b0\u6709\u8bbe\u5907\uff0c\u53ef\u5b9a\u671f\u5bf9\u5377\u7b52\u8179\u677f\u4e0e\u5377\u7b52\u8f74\u8fde\u63a5\u5904\u7684\u710a\u7f1d\u5468\u56f4\u8fdb\u884c\u78c1\u7c89\u63a2\u4f24\u6216\u8d85\u58f0\u6ce2\u63a2\u4f24\u3002\u5982\u53d1\u73b0\u88c2\u7eb9\uff0c\u5e94\u53ca\u65f6\u5bf9\u8179\u677f\u8fdb\u884c\u710a\u63a5\u4fee\u590d\u6216\u66f4\u6362\uff0c\u5e76\u68c0\u67e5\u94a2\u4e1d\u7ef3\u5e03\u7f6e\uff0c\u907f\u514d\u504f\u5fc3\u53d7\u529b\u3002<\/p>\n\n\n\n<p>\u5bf9\u4e8e\u65b0\u578b\u8d77\u91cd\u673a\u5377\u7b52\u7684\u8bbe\u8ba1\u6216\u5236\u9020\uff0c\u5e94\u4f18\u5316\u8fc7\u6e21\u534a\u5f84\uff0c\u5e76\u5c3d\u53ef\u80fd\u907f\u5f00\u6700\u5927\u5e94\u529b\u533a\u57df\u6765\u5b89\u6392\u710a\u63a5\u4f4d\u7f6e\u3002\u710a\u63a5\u5de5\u827a\u5e94\u4e25\u683c\u63a7\u5236\u3002\u53ef\u91c7\u7528\u591a\u9053\u710a\u63a5\u548c\u5bf9\u79f0\u710a\u63a5\u6765\u964d\u4f4e\u6b8b\u4f59\u5e94\u529b\uff0c\u5e76\u53ef\u6839\u636e\u5b9e\u9645\u60c5\u51b5\u8fdb\u884c\u632f\u52a8\u65f6\u6548\u6216\u81ea\u7136\u65f6\u6548\u5904\u7406\u3002<\/p>\n\n\n\n<p>\u8fd0\u884c\u7ba1\u7406\u65b9\u9762\uff0c\u5e94\u907f\u514d\u957f\u671f\u8fc7\u8f7d\u548c\u9891\u7e41\u542f\u505c\u3002\u94a2\u4e1d\u7ef3\u5e03\u7f6e\u5e94\u7b26\u5408\u76f8\u5173\u8981\u6c42\uff0c\u78e8\u635f\u7684\u94a2\u4e1d\u7ef3\u5e94\u5b9a\u671f\u66f4\u6362\u3002<\/p>\n\n\n\n<p>\u8d77\u91cd\u673a\u6eda\u7b52\u710a\u7f1d\u5f00\u88c2\u901a\u5e38\u5e76\u975e\u7531\u5355\u4e00\u56e0\u7d20\u9020\u6210\u3002\u5bf9\u7ed3\u6784\u3001\u710a\u63a5\u3001\u8f7d\u8377\u3001\u88c5\u914d\u548c\u73af\u5883\u8fdb\u884c\u9010\u4e00\u5206\u6790\uff0c\u6709\u52a9\u4e8e\u660e\u786e\u88c2\u7eb9\u6765\u6e90\uff0c\u5e76\u9009\u62e9\u9002\u5408\u73b0\u573a\u5b9e\u9645\u60c5\u51b5\u7684\u7ea0\u6b63\u63aa\u65bd\u3002<\/p>","protected":false},"excerpt":{"rendered":"This crane drum weld crack analysis examines a case where a long-service crane developed cracking at the weld between the drum web plate and the drum shaft. Although the visible damage appears to be a local metal fatigue problem, the underlying causes may involve structural design, welding procedure, material condition, stress transfer, manufacturing and assembly [&hellip;]","protected":false},"featured_media":16020,"parent":0,"menu_order":0,"template":"single-SEO-Table.php","posts_category":[197],"posts_tag":[],"acf":[],"_links":{"self":[{"href":"https:\/\/www.hndfcrane.com\/zh\/wp-json\/wp\/v2\/xmxposts\/16017"}],"collection":[{"href":"https:\/\/www.hndfcrane.com\/zh\/wp-json\/wp\/v2\/xmxposts"}],"about":[{"href":"https:\/\/www.hndfcrane.com\/zh\/wp-json\/wp\/v2\/types\/posts"}],"version-history":[{"count":10,"href":"https:\/\/www.hndfcrane.com\/zh\/wp-json\/wp\/v2\/xmxposts\/16017\/revisions"}],"predecessor-version":[{"id":16033,"href":"https:\/\/www.hndfcrane.com\/zh\/wp-json\/wp\/v2\/xmxposts\/16017\/revisions\/16033"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.hndfcrane.com\/zh\/wp-json\/wp\/v2\/media\/16020"}],"wp:attachment":[{"href":"https:\/\/www.hndfcrane.com\/zh\/wp-json\/wp\/v2\/media?parent=16017"}],"wp:term":[{"taxonomy":"posts_category","embeddable":true,"href":"https:\/\/www.hndfcrane.com\/zh\/wp-json\/wp\/v2\/posts_category?post=16017"},{"taxonomy":"posts_tag","embeddable":true,"href":"https:\/\/www.hndfcrane.com\/zh\/wp-json\/wp\/v2\/posts_tag?post=16017"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}