{"id":24048,"date":"2024-10-07T10:13:31","date_gmt":"2024-10-07T02:13:31","guid":{"rendered":"https:\/\/firstmold.com\/?p=24048"},"modified":"2025-11-28T11:44:11","modified_gmt":"2025-11-28T03:44:11","slug":"gdt-geometric-tolerancing","status":"publish","type":"post","link":"https:\/\/firstmold.com\/zh\/tips\/gdt-geometric-tolerancing\/","title":{"rendered":"\u4e86\u89e3 GD&amp;T\uff1a\u51e0\u4f55\u5c3a\u5bf8\u6807\u6ce8\u4e0e\u516c\u5dee\u7efc\u5408\u6307\u5357"},"content":{"rendered":"<p>\u5982\u679c\u4f60\u66fe\u4f7f\u7528\u8fc7\u5de5\u7a0b\u56fe\u7eb8\uff0c\u4f60\u53ef\u80fd\u4f1a\u9047\u5230\u8fc7 <strong>GD&amp;T.<\/strong><\/p>\n\n\n\n<p>\u4f46\u8fd9\u610f\u5473\u7740\u4ec0\u4e48\u5462\uff1f<\/p>\n\n\n\n<p>\u4f5c\u4e3a\u4e00\u79cd\u5b9a\u4e49\u96f6\u4ef6\u51e0\u4f55\u7279\u5f81\u7684\u7b26\u53f7\u7cfb\u7edf\uff0cGD&amp;T\uff08\u51e0\u4f55\u5c3a\u5bf8\u4e0e\u516c\u5dee\uff09\u53ef\u4ee5\u7cbe\u786e\u5730\u751f\u4ea7\u51fa\u5177\u6709\u7ec6\u5fae\u5c3a\u5bf8\u53d8\u5316\u7684\u96f6\u4ef6\u3002\u5bf9\u4e8e\u5de5\u7a0b\u5e08\u548c\u5236\u9020\u5546\u6765\u8bf4\uff0c\u8fd9\u662f\u4e00\u79cd\u5f88\u597d\u7684\u65b9\u6cd5\u6765\u6307\u5b9a\u96f6\u4ef6\u7684\u5236\u9020\u3001\u68c0\u67e5\u548c\u88c5\u914d\uff0c\u4ee5\u6ee1\u8db3\u5176\u529f\u80fd\u8981\u6c42\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter size-large is-resized\"><img fetchpriority=\"high\" decoding=\"async\" width=\"1024\" height=\"512\" src=\"https:\/\/firstmold.com\/wp-content\/uploads\/2024\/10\/gdt-and-designed-part-1024x512.webp\" alt=\"\u5168\u7403\u5b9a\u4f4d\u7cfb\u7edf\u548c\u8bbe\u8ba1\u90e8\u4ef6\" class=\"wp-image-24054\" style=\"width:600px\" srcset=\"https:\/\/firstmold.com\/wp-content\/uploads\/2024\/10\/gdt-and-designed-part-1024x512.webp 1024w, https:\/\/firstmold.com\/wp-content\/uploads\/2024\/10\/gdt-and-designed-part-300x150.webp 300w, https:\/\/firstmold.com\/wp-content\/uploads\/2024\/10\/gdt-and-designed-part-768x384.webp 768w, https:\/\/firstmold.com\/wp-content\/uploads\/2024\/10\/gdt-and-designed-part-18x9.webp 18w, https:\/\/firstmold.com\/wp-content\/uploads\/2024\/10\/gdt-and-designed-part-600x300.webp 600w, https:\/\/firstmold.com\/wp-content\/uploads\/2024\/10\/gdt-and-designed-part.webp 1200w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p>\u4e0e\u4f9d\u8d56\u57fa\u672c\u5750\u6807\u5c3a\u5bf8\u7684\u4f20\u7edf\u516c\u5dee\u4e0d\u540c\uff0cGD&amp;T \u662f\u5bf9\u96f6\u4ef6\u51e0\u4f55\u5f62\u72b6\u7684\u529f\u80fd\u63cf\u8ff0\u3002\u5b83\u4f7f\u8bbe\u8ba1\u4eba\u5458\u80fd\u591f\u7cbe\u786e\u5730\u8be6\u7ec6\u8bf4\u660e\u96f6\u4ef6\u5e94\u5982\u4f55\u914d\u5408\uff0c\u800c\u4e0d\u5fc5\u8be6\u7ec6\u8bf4\u660e\u6bcf\u4e00\u4e2a\u5c3a\u5bf8\uff0c\u4ece\u800c\u6700\u5927\u9650\u5ea6\u5730\u964d\u4f4e\u6210\u672c\uff0c\u63d0\u9ad8\u8d28\u91cf\u3002<\/p>\n\n\n\n<p>\u5373\u4f7f\u5728\u5236\u9020\u8fc7\u7a0b\u4e2d\u51fa\u73b0\u7ec6\u5fae\u5dee\u522b\uff0cGD&amp;T \u5bf9\u4e8e\u5b9e\u73b0\u96f6\u4ef6\u7684\u4e92\u6362\u6027\u548c\u9884\u671f\u529f\u80fd\u4e5f\u81f3\u5173\u91cd\u8981\u3002\u6c7d\u8f66\u3001\u822a\u7a7a\u822a\u5929\u548c\u6d88\u8d39\u7535\u5b50\u884c\u4e1a\u5728\u5f88\u5927\u7a0b\u5ea6\u4e0a\u4f9d\u8d56\u4e8e\u8fd9\u79cd\u80fd\u529b\u6765\u7cbe\u786e\u53ef\u9760\u5730\u5236\u9020\u4ea7\u54c1\u3002<\/p>\n\n\n\n<p>\u73b0\u5728\uff0c\u8ba9\u6211\u4eec\u6df1\u5165\u4e86\u89e3\u4e00\u4e0b GD&amp;T\uff0c\u4ee5\u53ca\u5982\u4f55\u5728\u8bbe\u8ba1\u5b9e\u8df5\u4e2d\u5b9e\u65bd\u8be5\u7cfb\u7edf\u4ee5\u63d0\u9ad8\u6548\u7387\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-key-takeaways\"><a><\/a><strong>\u4e3b\u8981\u6536\u83b7<\/strong><\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>GD&amp;T \u662f\u4e00\u4e2a\u7b26\u53f7\u7cfb\u7edf\uff0c\u5b83\u5b9a\u4e49\u4e86\u4ee5\u4e0b\u65b9\u9762\u7684\u901a\u4fe1\u89c4\u5219 <strong>\u8bbe\u8ba1\u610f\u56fe<\/strong>\u901a\u8fc7\u90e8\u4ef6\u5236\u9020\u548c\u88c5\u914d\u63d0\u4f9b\u6307\u5bfc\u3002<\/li>\n\n\n\n<li>\u5b83\u5b9e\u73b0\u4e86\u901a\u4fe1\u6807\u51c6\u5316\uff0c\u4ece\u800c\u964d\u4f4e\u4e86\u5236\u9020\u6210\u672c\uff0c\u5e76\u5728\u63d0\u9ad8\u8d28\u91cf\u7684\u540c\u65f6\u786e\u4fdd\u4e86\u5236\u6210\u54c1\u7684\u529f\u80fd\u6027\u3002<\/li>\n\n\n\n<li>GD&amp;T \u7cfb\u7edf\u4ee5\u5c3a\u5bf8\u3001\u4f4d\u7f6e\u3001\u65b9\u4f4d\u548c\u5f62\u72b6\uff08SLOF\uff09\u4e3a\u91cd\u70b9\u6765\u5b9a\u4e49\u96f6\u4ef6\u7684\u51e0\u4f55\u7279\u5f81\u3002<\/li>\n\n\n\n<li>GD&amp;T \u4f7f\u7528\u7b26\u53f7\u548c <strong>\u529f\u80fd\u63a7\u5236<\/strong> <strong>\u955c\u67b6 <\/strong>\u4ee5\u786e\u5b9a <strong>\u5bb9\u5fcd\u533a<\/strong> \u5e76\u786e\u4fdd\u7cbe\u786e\u7684\u96f6\u4ef6\u89c4\u683c\u3002<\/li>\n\n\n\n<li>\u5b83\u8fd8\u80fd\u51cf\u5c11\u751f\u4ea7\u4e2d\u7684\u8bef\u8bfb\u3001\u5e9f\u54c1\u548c\u8fd4\u5de5\uff0c\u540c\u65f6\u63d0\u9ad8\u68c0\u6d4b\u548c\u529f\u80fd\u7cbe\u5ea6\u3002<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-history-and-evolution-of-gd-amp-t\">GD&amp;T \u7684\u5386\u53f2\u548c\u6f14\u53d8<\/h2>\n\n\n\n<p>\u5927\u591a\u6570\u4eba\u5c06 GD&amp;T \u7684\u8d77\u6e90\u8ffd\u6eaf\u5230\u7b2c\u4e8c\u6b21\u4e16\u754c\u5927\u6218\uff0c\u5f53\u65f6\u4e00\u4f4d\u540d\u53eb\u65af\u5766\u5229-\u5e15\u514b\u7684\u82cf\u683c\u5170\u5de5\u7a0b\u5e08\u63a8\u51fa\u4e86\u4e00\u79cd\u9ad8\u6548\u7684\u96f6\u4ef6\u516c\u5dee\u6d4b\u91cf\u7cfb\u7edf\u3002<\/p>\n\n\n\n<p>\u4ed6\u8ba4\u8bc6\u5230\uff0c\u7531\u4e8e\u4e25\u683c\u7684\u975e\u529f\u80fd\u6027\u516c\u5dee\uff0c\u4f20\u7edf\u65b9\u6cd5\u5f80\u5f80\u5bfc\u81f4\u4e0d\u5fc5\u8981\u7684\u96f6\u4ef6\u62a5\u5e9f\u3002\u5e15\u514b\u7684\u5de5\u4f5c\u5f00\u521b\u6027\u5730\u89c4\u5b9a\u4e86\u975e\u7eaf\u5c3a\u5bf8\u7684\u529f\u80fd\u516c\u5dee\uff0c\u4e3a GD&amp;T \u5960\u5b9a\u4e86\u57fa\u7840\u3002<\/p>\n\n\n\n<p>\u7f8e\u56fd\u519b\u65b9\u968f\u540e\u4e8e 1949 \u5e74\u91c7\u7eb3\u4e86\u8fd9\u4e9b\u539f\u5219\uff0c\u53d1\u5e03\u4e86 <a href=\"https:\/\/standards.globalspec.com\/std\/715891\/mil-std-8#:~:text=MIL-STD-8%20October%2016%2C%201963%20DIMENSIONING%20AND%20TOLERANCING%20This,defining%20geometric%20characteristics%20of%20objects%20delineated%20on%20drawings.\"><strong>MIL-STD-<\/strong><\/a><a href=\"https:\/\/standards.globalspec.com\/std\/715891\/mil-std-8#:~:text=MIL-STD-8%20October%2016%2C%201963%20DIMENSIONING%20AND%20TOLERANCING%20This,defining%20geometric%20characteristics%20of%20objects%20delineated%20on%20drawings.\" target=\"_blank\" rel=\"noreferrer noopener\"><strong>8<\/strong><\/a>\u56e0\u6b64\uff0c\u7b2c\u4e00\u4e2a GD&amp;T \u6807\u51c6\u8bde\u751f\u4e86\u3002<\/p>\n\n\n\n<p>\u7ecf\u8fc7\u4e00\u6bb5\u65f6\u95f4\u7684\u53d1\u5c55\uff0c\u7f8e\u56fd\u673a\u68b0\u5de5\u7a0b\u5e08\u5b66\u4f1a\u5236\u5b9a\u4e86\u81ea\u5df1\u7684\u6807\u51c6\uff0c\u8be5\u6807\u51c6\u540e\u6765\u88ab\u79f0\u4e3a <a href=\"https:\/\/www.asme.org\/codes-standards\/find-codes-standards\/y14-5-dimensioning-tolerancing\" target=\"_blank\" rel=\"noreferrer noopener\"><strong>ASME Y14.5<\/strong><\/a> \u5e76\u88ab\u7528\u4f5c GD&amp;T \u7684\u6307\u5bfc\u53c2\u8003\u3002ASME Y14.5-2018 \u662f\u6700\u65b0\u7684\u4fee\u8ba2\u7248\uff0c\u53cd\u6620\u4e86\u73b0\u4ee3\u5236\u9020\u6280\u672f\uff0c\u5e76\u7ee7\u7eed\u4e3a\u5168\u7403\u5de5\u4e1a\u63d0\u4f9b\u6307\u5bfc\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-the-benefits-of-gd-amp-t\">GD&amp;T \u7684\u4f18\u52bf<\/h2>\n\n\n\n<p>\u4e0e\u4f20\u7edf\u7684\u5c3a\u5bf8\u6807\u6ce8\u548c\u516c\u5dee\u6d4b\u91cf\u65b9\u6cd5\u76f8\u6bd4\uff0cGD&amp;T \u5177\u6709\u591a\u9879\u4f18\u52bf\uff0c\u5305\u62ec<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-1-improved-communication\">1.\u6539\u5584\u6c9f\u901a<\/h3>\n\n\n\n<p>GD&amp;T \u7684\u4e00\u4e2a\u91cd\u8981\u4f18\u52bf\u662f\uff0c\u5b83\u80fd\u4f20\u8fbe\u4ee5\u4e0b\u4fe1\u606f <strong>\u8bbe\u8ba1\u610f\u56fe<\/strong> \u7b80\u6d01\u660e\u4e86\u3002\u7531\u4e8e GD&amp;T \u5173\u6ce8\u7684\u91cd\u70b9\u4e0d\u662f\u5c3a\u5bf8\uff0c\u800c\u662f\u96f6\u4ef6\u7684\u529f\u80fd\uff0c\u56e0\u6b64\u53ef\u4ee5\u91c7\u7528\u6700\u9ad8\u6548\u3001\u6700\u7cbe\u786e\u7684\u5236\u9020\u65b9\u6cd5\u3002&nbsp;<\/p>\n\n\n\n<p>\u4e3a\u6b64\uff0c\u6807\u51c6\u5316\u7b26\u53f7\u548c <strong>\u7279\u5f81\u63a7\u5236\u6846<\/strong> \u4e0e GD&amp;T \u914d\u5408\u4f7f\u7528\uff0c\u53ef\u6700\u5927\u9650\u5ea6\u5730\u51cf\u5c11\u4f20\u7edf\u5c3a\u5bf8\u6807\u6ce8\u65b9\u6cd5\u4e2d\u53ef\u80fd\u51fa\u73b0\u7684\u8bef\u8bfb\u3002<\/p>\n\n\n\n<p>\u4f8b\u5982\uff0c\u6307\u5b9a <strong>\u771f\u5b9e\u4f4d\u7f6e<\/strong> GD&amp;T \u6280\u672f\u786e\u4fdd\u6bcf\u4e2a\u4eba\u90fd\u77e5\u9053\u5b54\u7684\u4f4d\u7f6e\u4ee5\u53ca\u5141\u8bb8\u7684\u504f\u5dee\u8303\u56f4\u3002\u8fd9\u79cd\u6e05\u6670\u5ea6\u53ef\u51cf\u5c11\u751f\u4ea7\u9519\u8bef\uff0c\u6539\u5584\u8d28\u91cf\u63a7\u5236\uff0c\u5e76\u6700\u7ec8\u63d0\u9ad8\u4ea7\u54c1\u7684\u53ef\u9760\u6027\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-2-cost-efficiency\">2.\u6210\u672c\u6548\u76ca<\/h3>\n\n\n\n<p>GD&amp;T \u5141\u8bb8 <strong>\u66f4\u5bbd\u677e\u7684\u516c\u5dee<\/strong> \u5728\u975e\u5173\u952e\u7279\u5f81\u4e0a\u91c7\u7528\u8f83\u5bbd\u7684\u516c\u5dee\uff0c\u53ef\u5927\u5927\u964d\u4f4e\u751f\u4ea7\u6210\u672c\u3002\u56e0\u6b64\uff0c\u5de5\u7a0b\u5e08\u53ef\u4ee5\u5728\u96f6\u4ef6\u7684\u8bb8\u591a\u90e8\u4f4d\u91c7\u7528\u8f83\u5bbd\u7684\u516c\u5dee\uff0c\u800c\u4e0d\u662f\u5728\u6bcf\u4e2a\u5c3a\u5bf8\u4e0a\u90fd\u91c7\u7528\u4e25\u683c\u7684\u516c\u5dee\uff0c\u4ece\u800c\u589e\u52a0\u5236\u9020\u65f6\u95f4\u548c\u6210\u672c\u3002<\/p>\n\n\n\n<p>\u5728\u7406\u60f3\u60c5\u51b5\u4e0b\uff0c\u8fd9\u6709\u52a9\u4e8e\u5c06\u6ce8\u610f\u529b\u96c6\u4e2d\u5728\u5f71\u54cd\u96f6\u4ef6\u529f\u80fd\u7684\u5173\u952e\u5c3a\u5bf8\u4e0a\uff0c\u4ece\u800c\u5728\u4e0d\u5f71\u54cd\u8d28\u91cf\u7684\u524d\u63d0\u4e0b\u63d0\u9ad8\u6548\u7387\u3002<\/p>\n\n\n\n<p>\u4ee5\u955c\u5b50\u4e3a\u4f8b\u3002\u4f7f\u7528\u4f20\u7edf\u7684\u5c3a\u5bf8\u6807\u6ce8\u65b9\u6cd5\uff0c\u5de5\u7a0b\u5e08\u53ef\u80fd\u4f1a\u5bf9\u955c\u5b50\u7684\u539a\u5ea6\u65bd\u52a0\u975e\u5e38\u4e25\u683c\u7684\u516c\u5dee\uff0c\u4ee5\u9632\u6b62\u53d8\u5f62\u3002<\/p>\n\n\n\n<p>\u8fd9\u79cd\u4e25\u683c\u7684\u516c\u5dee\u5e76\u4e0d\u80fd\u4fdd\u8bc1\u8868\u9762\u5b8c\u5168\u5e73\u6574\u3002\u5728 GD&amp;T \u4e2d\uff0c\u5de5\u7a0b\u5e08\u53ef\u4ee5\u6307\u5b9a\u5e73\u9762\u5ea6\u63a7\u5236\uff0c\u653e\u5bbd\u539a\u5ea6\u516c\u5dee\uff0c\u4ece\u800c\u4f7f\u96f6\u4ef6\u66f4\u5bb9\u6613\u5236\u9020\uff0c\u6210\u672c\u66f4\u4f4e\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-3-functional-and-reliable-parts\">3.\u529f\u80fd\u9f50\u5168\u3001\u6027\u80fd\u53ef\u9760\u7684\u90e8\u4ef6<\/h3>\n\n\n\n<p>\u5373\u4f7f\u4e2a\u522b\u5c3a\u5bf8\u504f\u5dee\u5728\u53ef\u63a5\u53d7\u7684\u8303\u56f4\u5185\uff0cGD&amp;T \u4e5f\u80fd\u786e\u4fdd\u96f6\u4ef6\u5728\u6700\u7ec8\u88c5\u914d\u4e2d\u7684\u529f\u80fd\u6b63\u786e\u65e0\u8bef\u3002<\/p>\n\n\n\n<p>\u901a\u8fc7\u6307\u5b9a <strong>\u5c3a\u5bf8<\/strong>, <strong>\u5730\u70b9<\/strong>, <strong>\u65b9\u5411<\/strong>\u548c <strong>\u7ec4\u6210<\/strong> \u6709\u4e86\u8fd9\u4e9b\u5173\u952e\u7279\u5f81\uff0c\u5de5\u7a0b\u5e08\u5c31\u80fd\u786e\u4fdd\u96f6\u4ef6\u6ee1\u8db3\u5176\u529f\u80fd\u8981\u6c42\uff0c\u800c\u4e0d\u7528\u62c5\u5fc3\u5728\u4e0d\u592a\u91cd\u8981\u7684\u5730\u65b9\u51fa\u73b0\u7ec6\u5fae\u5dee\u522b\u3002<\/p>\n\n\n\n<p>\u4f8b\u5982\uff0c\u6da1\u8f6e\u53f6\u7247\u7b49\u822a\u7a7a\u822a\u5929\u96f6\u4ef6\u6240\u5904\u7684\u73af\u5883\u975e\u5e38\u6781\u7aef\uff0c\u9700\u8981\u826f\u597d\u7684\u914d\u5408\u3002\u5728\u8fd9\u79cd\u60c5\u51b5\u4e0b\uff0c\u51e0\u4f55\u5c3a\u5bf8\u548c\u516c\u5dee\u6cd5\u53ef\u786e\u4fdd\u6b64\u7c7b\u53f6\u7247\u4e0e\u5176\u4ed6\u90e8\u4ef6\u4fdd\u6301\u6b63\u786e\u7684\u65b9\u5411\u548c\u4f4d\u7f6e\uff0c\u4ece\u800c\u5728\u538b\u529b\u4e0b\u5b9e\u73b0\u53ef\u9760\u7684\u529f\u80fd\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-4-reduced-waste-and-rework\">4.\u51cf\u5c11\u6d6a\u8d39\u548c\u8fd4\u5de5<\/h3>\n\n\n\n<p>\u5f53 <strong>\u8bbe\u8ba1\u610f\u56fe<\/strong> \u5236\u9020\u5546\u6709\u65f6\u4f1a\u5236\u9020\u51fa\u4e0d\u7b26\u5408\u529f\u80fd\u8981\u6c42\u7684\u96f6\u4ef6\u3002\u8fd9\u4e9b\u96f6\u4ef6\u8981\u4e48\u62a5\u5e9f\uff0c\u8981\u4e48\u4e0d\u5f97\u4e0d\u82b1\u8d39\u5de8\u8d44\u91cd\u65b0\u52a0\u5de5\u3002<\/p>\n\n\n\n<p>GD&amp;T \u901a\u8fc7\u660e\u786e\u5b9a\u4e49\u53ef\u63a5\u53d7\u7684<strong> \u5bb9\u5fcd\u533a<\/strong> \u51cf\u5c11\u751f\u4ea7\u6b21\u54c1\u7684\u53ef\u80fd\u6027\u3002\u8fd9\u53cd\u8fc7\u6765\u53c8\u63d0\u9ad8\u4e86\u6548\u7387\uff0c\u51cf\u5c11\u4e86\u6750\u6599\u6d6a\u8d39\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-core-concepts-of-gd-amp-t\">GD&amp;T \u6838\u5fc3\u6982\u5ff5<\/h2>\n\n\n\n<p>\u8981\u4e86\u89e3 GD&amp;T \u7684\u5de5\u4f5c\u539f\u7406\uff0c\u9996\u5148\u9700\u8981\u4e86\u89e3\u5176\u57fa\u672c\u539f\u5219\u3002\u8fd9\u4e9b\u539f\u5219\u901a\u5e38\u7528\u7f29\u5199\u8bcd SLOF \u8868\u793a\uff0c\u5373\u5c3a\u5bf8\u3001\u4f4d\u7f6e\u3001\u65b9\u5411\u548c\u5f62\u72b6\u3002<\/p>\n\n\n\n<p>\u8fd9\u56db\u4e2a\u8981\u7d20\u7531\u7279\u5b9a\u7684 GD&amp;T \u7b26\u53f7\u548c\u4e00\u4e2a <strong>\u529f\u80fd\u63a7\u5236\u6846 <\/strong>\u786e\u5b9a\u53ef\u63a5\u53d7\u7684\u516c\u5dee\u3002<\/p>\n\n\n\n<p>\u4e0b\u9762\u8ba9\u6211\u4eec\u4e00\u4e00\u63a2\u8ba8\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-1-size\">1.\u5c3a\u5bf8<\/h3>\n\n\n\n<p>\u5728\u8fd9\u91cc\uff0c\u5c3a\u5bf8\u6307\u7684\u662f\u7279\u5f81\u7684\u7269\u7406\u5c3a\u5bf8\uff0c\u53ef\u4ee5\u662f\u5b54\u7684\u76f4\u5f84\u6216\u5706\u67f1\u4f53\u7684\u957f\u5ea6\u3002\u901a\u5e38\u4f7f\u7528\u4f20\u7edf\u7684 \u00b1 \u516c\u5dee\u8fdb\u884c\u63a7\u5236\uff0c\u4f46\u5728 GD&amp;T \u4e2d\uff0c\u5176\u4ed6\u51e0\u4f55\u63a7\u5236\u901a\u5e38\u4f1a\u5f71\u54cd\u5c3a\u5bf8\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-2-location\">2.\u5730\u70b9<\/h3>\n\n\n\n<p>\u7279\u5f81\u7684\u4f4d\u7f6e\u88ab\u63cf\u8ff0\u4e3a\u76f8\u5bf9\u4e8e\u96f6\u4ef6\u5176\u4ed6\u7279\u5f81\u7684\u7a7a\u95f4\u4f4d\u7f6e\u3002GD&amp;T \u4e2d\u6700\u5e38\u7528\u7684\u4f4d\u7f6e\u63a7\u5236\u7b26\u53f7\u662f\u771f\u5b9e\u4f4d\u7f6e\u3002\u8fd9\u53ef\u4ee5\u4f7f\u7279\u5f81\u76f8\u5bf9\u4e8e\u5176\u4ed6\u7279\u5f81\u6b63\u786e\u5b9a\u4f4d\uff0c\u4f8b\u5982\u5728\u6b63\u786e\u7684\u4f4d\u7f6e\u94bb\u5b54\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-3-orientation\">3.\u5b9a\u5411<\/h3>\n\n\n\n<p>\u65b9\u5411\u662f\u6307\u4e00\u4e2a\u96f6\u4ef6\u6216\u7279\u5f81\u5728\u7a7a\u95f4\u4e2d\u76f8\u5bf9\u4e8e\u53e6\u4e00\u4e2a\u7279\u5f81\u7684\u89d2\u5ea6\u3002\u5e38\u89c1\u7684\u65b9\u5411\u63a7\u5236\u5305\u62ec <strong>\u5e76\u884c\u6027<\/strong>, <strong>\u5782\u76f4\u5ea6<\/strong>\u548c <strong>\u89d2\u5316<\/strong>GD&amp;T \u53ef\u786e\u4fdd\u7279\u5f81\u6309\u8981\u6c42\u5bf9\u9f50\u3002\u4f8b\u5982\uff0cGD&amp;T \u53ef\u4ee5\u786e\u4fdd\u4e24\u4e2a\u8868\u9762\u76f8\u4e92\u5782\u76f4\uff0c\u4ee5\u9632\u6b62\u5728\u88c5\u914d\u8fc7\u7a0b\u4e2d\u51fa\u73b0\u95ee\u9898\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-4-form\">4.\u5f62\u5f0f<\/h3>\n\n\n\n<p>\u5f62\u72b6\u63a7\u5236\u7740\u5982\u4f55\u5b9a\u4e49\u7279\u5f81\u7684\u5f62\u72b6\uff0c\u901a\u5e38\u8fd8\u80fd\u7ec6\u5316\u7279\u5f81\u7684\u5927\u5c0f\u3002\u7b26\u53f7\u5982 <strong>\u5e73\u6574\u5ea6<\/strong>, <strong>\u5faa\u73af\u6027<\/strong>, <strong>\u5706\u67f1\u5ea6<\/strong>\u548c <strong>\u76f4\u7ebf\u5ea6<\/strong> \u89c4\u5b9a\u4e86\u96f6\u4ef6\u5fc5\u987b\u63a5\u8fd1\u5b8c\u7f8e\u5f62\u72b6\u7684\u7a0b\u5ea6\u3002\u8fd9\u4e9b\u516c\u5dee\u53ef\u786e\u4fdd\u96f6\u4ef6\u6ee1\u8db3\u5176\u529f\u80fd\u9700\u6c42\uff0c\u800c\u4e0d\u4f1a\u4e0d\u5fc5\u8981\u5730\u6536\u7d27\u5176\u4ed6\u5c3a\u5bf8\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter size-full is-resized\"><img decoding=\"async\" width=\"1200\" height=\"305\" src=\"https:\/\/firstmold.com\/wp-content\/uploads\/2024\/10\/Size-Location-Orientation-and-Form-in-GDT.png\" alt=\"\u5168\u7403\u5b9a\u4f4d\u7cfb\u7edf\u4e2d\u7684\u5c3a\u5bf8\u3001\u4f4d\u7f6e\u3001\u65b9\u5411\u548c\u5f62\u5f0f\" class=\"wp-image-24056\" style=\"width:800px\"\/><\/figure>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"h-feature-control-frames-in-gd-amp-t\">GD&amp;T \u4e2d\u7684\u7279\u5f81\u63a7\u5236\u6846<\/h4>\n\n\n\n<p>A <strong>\u529f\u80fd\u63a7\u5236\u6846<\/strong> \u8868\u793a\u96f6\u4ef6\u7279\u5f81\u7684\u516c\u5dee\u8981\u6c42\u3002\u6846\u67b6\u5305\u62ec\u53d7\u63a7\u51e0\u4f55\u7279\u5f81\u7684\u7b26\u53f7\uff08\u5982\u5e73\u9762\u5ea6\u6216\u4f4d\u7f6e\uff09\u3001\u516c\u5dee\u503c\u3001\u4efb\u4f55\u6750\u6599\u6761\u4ef6\u4fee\u9970\u7b26\uff08\u5982\u6700\u5927\u6750\u6599\u6761\u4ef6\uff09\u4ee5\u53ca\u4efb\u4f55\u76f8\u5173\u7684<strong> <a href=\"https:\/\/firstmold.com\/zh\/uncategorized\/datum\/\" target=\"_blank\" rel=\"noreferrer noopener\">\u57fa\u51c6\u53c2\u7167<\/a>.<\/strong><\/p>\n\n\n\n<p>\u4f8b\u5982\uff0c\u4e00\u4e2a\u7279\u5f81\u63a7\u5236\u6846\u67b6\u53ef\u80fd\u4f1a\u89c4\u5b9a\uff0c\u4e00\u4e2a\u5b54\u5fc5\u987b\u4f4d\u4e8e\u4e00\u4e2a\u5706\u67f1\u5f62\u7684 <strong>\u5bb9\u5fcd\u533a<\/strong> 0.1 \u6beb\u7c73\uff0c\u4ee5\u4e24\u4e2a\u57fa\u51c6\u70b9\u4e3a\u53c2\u7167\u8fdb\u884c\u5bf9\u9f50\u3002\u8be5\u6846\u67b6\u53ef\u786e\u4fdd\u5728\u8981\u6c42\u7684\u8303\u56f4\u5185\u51c6\u786e\u5b9a\u4f4d\u548c\u5bf9\u9f50\u5b54\u6d1e\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-gd-amp-t-symbols-and-their-importance\">GD&amp;T \u7b26\u53f7\u53ca\u5176\u91cd\u8981\u6027<\/h2>\n\n\n\n<p>\u5e94\u7528 GD&amp;T \u65f6\u9700\u8981\u4f7f\u7528\u4e00\u7cfb\u5217\u7b26\u53f7\u3002\u6bcf\u4e2a\u7b26\u53f7\u4ee3\u8868\u4e0d\u540c\u7684\u51e0\u4f55\u7279\u5f81\uff0c\u5e76\u89c4\u5b9a\u5fc5\u987b\u5982\u4f55\u63a7\u5236\u7279\u5f81\u3002GD&amp;T \u4e2d\u6700\u5e38\u7528\u7684\u4e00\u4e9b\u7b26\u53f7\u5305\u62ec<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u5e73\u6574\u5ea6<\/strong> \u786e\u4fdd\u66f2\u9762\u4f4d\u4e8e\u4e24\u4e2a\u5e73\u884c\u5e73\u9762\u5185\u3002<\/li>\n\n\n\n<li><strong>\u771f\u5b9e\u4f4d\u7f6e\uff1a<\/strong> \u5b9a\u4e49\u5730\u7269\u4f4d\u7f6e\u76f8\u5bf9\u4e8e\u5176\u7406\u60f3\u4f4d\u7f6e\u7684\u5141\u8bb8\u53d8\u5316\u8303\u56f4\u3002<\/li>\n\n\n\n<li><strong>\u5706\u67f1\u5ea6<\/strong> \u786e\u4fdd\u5706\u67f1\u5f62\u96f6\u4ef6\u4fdd\u6301\u5728\u4e00\u4e2a\u5b8c\u7f8e\u7684\u5706\u67f1\u4f53\u5185\u3002<\/li>\n\n\n\n<li><strong>\u5e76\u884c\u6027\uff1a<\/strong> \u63a7\u5236\u4e00\u4e2a\u7279\u5f81\u4e0e\u53e6\u4e00\u4e2a\u7279\u5f81\u7684\u5e73\u884c\u7a0b\u5ea6\u3002<\/li>\n<\/ul>\n\n\n\n<p>\u8fd9\u4e9b\u7b26\u53f7\u4e0e\u57fa\u51c6\u53c2\u8003\u6846\u67b6\u548c\u516c\u5dee\u503c\u4e00\u8d77\u4f7f\u7528\uff0c\u4ee5\u786e\u4fdd\u96f6\u4ef6\u7684\u5236\u9020\u7cbe\u5ea6\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter size-full is-resized\"><img decoding=\"async\" width=\"750\" height=\"672\" src=\"https:\/\/firstmold.com\/wp-content\/uploads\/2024\/10\/common-gdt-symbols.webp\" alt=\"\u5e38\u89c1\u7684 GDT \u7b26\u53f7\" class=\"wp-image-24053\" style=\"width:600px\" srcset=\"https:\/\/firstmold.com\/wp-content\/uploads\/2024\/10\/common-gdt-symbols.webp 750w, https:\/\/firstmold.com\/wp-content\/uploads\/2024\/10\/common-gdt-symbols-300x269.webp 300w, https:\/\/firstmold.com\/wp-content\/uploads\/2024\/10\/common-gdt-symbols-13x12.webp 13w, https:\/\/firstmold.com\/wp-content\/uploads\/2024\/10\/common-gdt-symbols-600x538.webp 600w\" sizes=\"(max-width: 750px) 100vw, 750px\" \/><\/figure>\n\n\n\n<figure class=\"wp-block-image aligncenter size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"750\" height=\"605\" src=\"https:\/\/firstmold.com\/wp-content\/uploads\/2024\/10\/additional-gdt-symbols.webp\" alt=\"\u9644\u52a0 GDT \u7b26\u53f7\" class=\"wp-image-24052\" style=\"width:600px\" srcset=\"https:\/\/firstmold.com\/wp-content\/uploads\/2024\/10\/additional-gdt-symbols.webp 750w, https:\/\/firstmold.com\/wp-content\/uploads\/2024\/10\/additional-gdt-symbols-300x242.webp 300w, https:\/\/firstmold.com\/wp-content\/uploads\/2024\/10\/additional-gdt-symbols-15x12.webp 15w, https:\/\/firstmold.com\/wp-content\/uploads\/2024\/10\/additional-gdt-symbols-600x484.webp 600w\" sizes=\"(max-width: 750px) 100vw, 750px\" \/><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-datum-reference-frames\">\u57fa\u51c6\u53c2\u7167\u6846\u67b6<\/h3>\n\n\n\n<p>\u57fa\u51c6\u53c2\u8003\u6846\u67b6\u662f\u96f6\u4ef6\u51e0\u4f55\u5f62\u72b6\u7684 \"\u9aa8\u67b6\"\u3002\u5b83\u5efa\u7acb\u4e86\u4e00\u4e2a\u4e09\u7ef4\u5750\u6807\u7cfb\uff0c\u7528\u4e8e\u5b9a\u4e49\u5404\u79cd\u7279\u5f81\u7684\u516c\u5dee\u3002\u57fa\u51c6\u53c2\u8003\u6846\u67b6\u901a\u5e38\u5305\u62ec\u4e09\u4e2a\u5e73\u9762\u6216\u8f74\u7ebf\uff0c\u5bf9\u96f6\u4ef6\u8fdb\u884c\u516d\u4e2a\u81ea\u7531\u5ea6\u7684\u7ea6\u675f--\u4e09\u4e2a\u5e73\u79fb\u548c\u4e09\u4e2a\u65cb\u8f6c\u3002<\/p>\n\n\n\n<p>\u57fa\u51c6\u662f\u4e00\u4e2a\u7406\u8bba\u4e0a\u7684\u5b8c\u7f8e\u7279\u5f81\uff08\u5982\u5e73\u9762\u6216\u8f74\u7ebf\uff09\uff0c\u7528\u4f5c\u6240\u6709\u5176\u4ed6\u6d4b\u91cf\u7684\u53c2\u8003\u70b9\u3002\u4e0e\u57fa\u51c6\u76f8\u5bf9\u5e94\u7684\u7269\u7406\u7279\u5f81\u79f0\u4e3a\u57fa\u51c6\u7279\u5f81\uff0c\u5982\u5e73\u9762\u6216\u5b54\u3002\u8fd9\u4e9b\u7279\u5f81\u6709\u52a9\u4e8e\u5efa\u7acb\u53c2\u8003\u7cfb\u7edf\uff0c\u786e\u4fdd\u6bcf\u4e2a\u96f6\u4ef6\u90fd\u7b26\u5408\u529f\u80fd\u8981\u6c42\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-real-world-application-of-gd-amp-t\">GD&amp;T \u5728\u73b0\u5b9e\u4e16\u754c\u4e2d\u7684\u5e94\u7528<\/h2>\n\n\n\n<p>\u8003\u8651\u5230\u5b9e\u9645\u7528\u9014\uff0cGD&amp;T \u5728\u8981\u6c42\u516c\u5dee\u7cbe\u5ea6\u548c\u529f\u80fd\u7cbe\u5ea6\u7684\u884c\u4e1a\u4e2d\u662f\u5fc5\u8981\u7684\u3002GD&amp;T \u901a\u5e38\u5e94\u7528\u4e8e\u8ba1\u7b97\u673a\u6570\u63a7\u52a0\u5de5\uff0c\u56e0\u4e3a GD&amp;T \u53ef\u4ee5\u786e\u4fdd\u6309\u7167\u89c4\u5b9a\u52a0\u5de5\u7279\u5b9a\u96f6\u4ef6\uff0c\u800c\u4e0d\u4f1a\u51fa\u73b0\u4efb\u4f55\u4e0d\u786e\u5b9a\u6027\u3002<\/p>\n\n\n\n<p>\u4ee5\u8bbe\u8ba1\u4e00\u4e2a <strong>\u955c\u9762 <\/strong>\u4f8b\u5982\uff0c\u60a8\u53ef\u80fd\u4f1a\u4f7f\u7528\u5750\u6807\u5c3a\u5bf8\u6807\u6ce8\u6cd5\u5bf9\u955c\u9762\u539a\u5ea6\u6307\u5b9a\u4e25\u683c\u7684\u516c\u5dee\uff0c\u4ee5\u907f\u514d\u7fd8\u66f2\u3002\u60a8\u53ef\u4ee5\u4f7f\u7528\u5750\u6807\u5c3a\u5bf8\u6cd5\u5bf9\u955c\u9762\u7684\u539a\u5ea6\u89c4\u5b9a\u4e25\u683c\u7684\u516c\u5dee\uff0c\u4ee5\u907f\u514d\u7fd8\u66f2\u3002\u4f46\u662f\uff0c\u5373\u4f7f\u96f6\u4ef6\u7b26\u5408\u539a\u5ea6\u8981\u6c42\uff0c\u8fd9\u79cd\u65b9\u6cd5\u4ecd\u53ef\u80fd\u5bfc\u81f4\u8868\u9762\u51fa\u73b0\u6ce2\u6d6a\u3002<\/p>\n\n\n\n<p>GD&amp;T \u4e13\u6ce8\u4e8e\u5e73\u9762\u5ea6\uff0c\u89c4\u5b9a\u955c\u9762\u5fc5\u987b\u4fdd\u6301\u5728\u4e24\u4e2a\u5e73\u884c\u5e73\u9762\u5185\uff0c\u4ece\u800c\u89e3\u51b3\u4e86\u8fd9\u4e00\u95ee\u9898\uff0c\u786e\u4fdd\u4e86\u955c\u9762\u7684\u5e73\u6574\u5ea6\u548c\u529f\u80fd\u6027\uff0c\u907f\u514d\u4e86\u4e0d\u5fc5\u8981\u7684\u4e25\u683c\u539a\u5ea6\u516c\u5dee\u3002<\/p>\n\n\n\n<p>\u53e6\u4e00\u4e2a\u4f8b\u5b50\u662f\u6c7d\u8f66\u884c\u4e1a\uff0cGD&amp;T \u53ef\u786e\u4fdd\u53d1\u52a8\u673a\u90e8\u4ef6\u7b49\u96f6\u4ef6\u7cbe\u786e\u88c5\u914d\u5728\u4e00\u8d77\u3002\u901a\u8fc7\u91cd\u70b9\u5173\u6ce8 <strong>\u4f4d\u7f6e<\/strong> \u5229\u7528\u516c\u5dee\uff0c\u5de5\u7a0b\u5e08\u53ef\u4ee5\u786e\u4fdd\u5b54\u548c\u5176\u4ed6\u7279\u5f81\u5728\u88c5\u914d\u8fc7\u7a0b\u4e2d\u5b8c\u5168\u5bf9\u9f50\uff0c\u4ece\u800c\u6700\u5927\u9650\u5ea6\u5730\u964d\u4f4e\u56e0\u4e0d\u5bf9\u9f50\u800c\u5bfc\u81f4\u6545\u969c\u7684\u51e0\u7387\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-understanding-material-condition-modifiers\">\u4e86\u89e3\u6750\u6599\u72b6\u6001\u4fee\u6539\u5668<\/h2>\n\n\n\n<p>GD&amp;T \u7528\u9014 <strong>\u6750\u6599\u6761\u4ef6\u4fee\u6539\u5668<\/strong> \u6765\u589e\u52a0\u7279\u5f81\u516c\u5dee\u8981\u6c42\u7684\u7075\u6d3b\u6027\u3002\u6700\u5e38\u89c1\u7684\u4e24\u79cd\u4fee\u6539\u5668\u5305\u62ec<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u6700\u5927\u6750\u6599\u6761\u4ef6\uff1a<\/strong> \u7279\u5f81\u5305\u542b\u6700\u5927\u6750\u6599\u91cf\u65f6\u7684\u72b6\u6001\u3002\u73b0\u5728\uff0c\u5b54\u7684\u6700\u5927\u53ef\u52a0\u5de5\u6750\u6599\u662f\u5176\u6700\u5c0f\u5c3a\u5bf8\u6216\u6700\u5c0f\u76f4\u5f84\u3002\u540c\u65f6\uff0c\u9500\u9489\u7684\u6700\u5927\u53ef\u52a0\u5de5\u6750\u6599\u662f\u5176\u5141\u8bb8\u7684\u6700\u5927\u76f4\u5f84\u3002<\/li>\n\n\n\n<li><strong>\u6700\u5dee\u7269\u8d28\u6761\u4ef6\uff08LMC\uff09\uff1a <\/strong>\u8fd9\u662f\u5305\u542b\u6700\u5c11\u6750\u6599\u7684\u7279\u5f81\u6761\u4ef6\u3002\u5bf9\u4e8e\u5b54\uff0c\u8fd9\u662f\u6700\u5927\u7684\u53ef\u63a5\u53d7\u76f4\u5f84\u3002\u800c\u5bf9\u4e8e\u9500\u9489\uff0c\u5219\u662f\u53ef\u63a5\u53d7\u7684\u6700\u5c0f\u76f4\u5f84\u3002<\/li>\n<\/ul>\n\n\n\n<p>\u8fd9\u4e9b\u6539\u6027\u5242\u53ef\u5e2e\u52a9\u5de5\u7a0b\u5e08\u5728\u4e0d\u5f71\u54cd\u529f\u80fd\u7684\u60c5\u51b5\u4e0b\u653e\u5bbd\u516c\u5dee\uff0c\u4ece\u800c\u7b80\u5316\u751f\u4ea7\u5e76\u8282\u7ea6\u6210\u672c\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-tolerance-zones-in-gd-amp-t\">GD&amp;T \u4e2d\u7684\u516c\u5dee\u5e26<\/h3>\n\n\n\n<p>GD&amp;T \u7684\u57fa\u672c\u6838\u5fc3\u6982\u5ff5\u662f<strong> \u5bb9\u5fcd\u533a<\/strong>\uff0c\u5b83\u6307\u5b9a\u4e86\u53ef\u63a5\u53d7\u7279\u5f81\u7684\u6781\u9650\u3002\u5bf9\u4e8e\u5b54\u7684\u4f4d\u7f6e\uff0c\u53ef\u4ee5\u662f\u4e00\u4e2a\u5706\u67f1\u5f62\u533a\u57df\uff1b\u5bf9\u4e8e\u5e73\u9762\u5ea6\uff0c\u53ef\u4ee5\u662f\u4e24\u4e2a\u5e73\u884c\u5e73\u9762\u3002<\/p>\n\n\n\n<p>\u4f8b\u5982\uff0c\u5728\u4f7f\u7528 GD&amp;T \u5b9a\u4f4d\u5b54\u65f6\uff0c\u8be5\u5b54\u7684\u8f74\u7ebf\u5e94\u4fdd\u6301\u5728\u5706\u67f1\u5f62\u516c\u5dee\u5e26\u7684\u7a7a\u95f4\u5185\uff0c\u5141\u8bb8\u6709\u5fae\u5c0f\u53d8\u5316\uff0c\u4f46\u8981\u4fdd\u6301\u96f6\u4ef6\u7684\u6b63\u786e\u529f\u80fd\u3002<\/p>\n\n\n\n<p>\u8fd9\u5c06\u4f7f\u5236\u9020\u5546\u80fd\u591f\u5728\u771f\u6b63\u9700\u8981\u7684\u5730\u65b9\u8bbe\u7f6e\u516c\u5dee\uff0c\u907f\u514d\u5728\u5176\u4ed6\u5730\u65b9\u8fc7\u5206\u4e25\u683c\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-why-gd-amp-t-matters-in-modern-manufacturing\">\u4e3a\u4ec0\u4e48 GD&amp;T \u5728\u73b0\u4ee3\u5236\u9020\u4e1a\u4e2d\u5f88\u91cd\u8981\uff1f<\/h2>\n\n\n\n<p>GD&amp;T \u662f\u73b0\u4ee3\u5236\u9020\u5546\u7684\u5f3a\u5927\u5de5\u5177\u3002\u5b83\u4fc3\u8fdb\u4e86\u8bbe\u8ba1\u548c\u5236\u9020\u56e2\u961f\u4e4b\u95f4\u7684\u826f\u597d\u6c9f\u901a\u3002\u6b64\u5916\uff0c\u5b83\u8fd8\u80fd\u786e\u4fdd\u96f6\u4ef6\u6ee1\u8db3\u5fc5\u8981\u7684\u529f\u80fd\u8981\u6c42\uff0c\u800c\u4e0d\u4f1a\u51fa\u73b0\u516c\u5dee\u8fc7\u5927\u7684\u60c5\u51b5\u3002\u8fd9\u4e9b\u56e0\u7d20\u7ed3\u5408\u5728\u4e00\u8d77\uff0c\u53ef\u5728\u96f6\u4ef6\u8fdb\u5165\u6279\u91cf\u751f\u4ea7\u540e\u5927\u5927\u8282\u7ea6\u6210\u672c\u3002<\/p>\n\n\n\n<p>\u5b9a\u4e49\u529f\u80fd\u516c\u5dee\u7684\u80fd\u529b\u8fd8\u80fd\u8ba9\u8bbe\u8ba1\u4eba\u5458\u66f4\u8f7b\u677e\u3001\u66f4\u7ecf\u6d4e\u5730\u751f\u4ea7\u3001\u68c0\u9a8c\u548c\u88c5\u914d\u96f6\u4ef6\u3002\u901a\u8fc7\u81ea\u52a8\u5316\u548c\u9ad8\u7cbe\u5ea6\uff0c\u96f6\u4ef6\u53ef\u4ee5\u6ee1\u8db3\u4e25\u683c\u7684\u8d28\u91cf\u548c\u53ef\u9760\u6027\u6807\u51c6\uff0c\u5c24\u5176\u662f\u5728\u822a\u7a7a\u822a\u5929\u3001\u533b\u7597\u8bbe\u5907\u548c\u6c7d\u8f66\u884c\u4e1a\u3002<\/p>\n\n\n\n<div class=\"article-cta-container\" style=\"--bg-image: url('\/wp-content\/uploads\/2025\/11\/CNC-machining-service-CTA-in-blogs.webp'); background-image: var(--bg-image); background-repeat:no-repeat; background-position:center; background-size:cover;\">\n    <div class=\"article-cta-left\"><\/div>\n    <div class=\"article-cta-right\">\n        <div class=\"article-cta-title\">\u4ece\u51e0\u4f55\u5c3a\u5bf8\u4e0e\u516c\u5dee\u5230\u7cbe\u5bc6\u96f6\u4ef6\u3002.<\/div>\n        <a href=\"https:\/\/firstmold.com\/zh\/quote\/\" class=\"fancy-btn\" role=\"button\" tabindex=\"0\">\n    \u83b7\u53d6\u62a5\u4ef7\n    <i class=\"fa fa-cog btn-icon\"><\/i>\n<\/a>\n        <\/a>\n    <\/div>\n<\/div>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-conclusion\">\u7ed3\u8bba<\/h2>\n\n\n\n<p>\u603b\u800c\u8a00\u4e4b\uff0cGD&amp;T \u662f\u4e00\u79cd\u5f3a\u5927\u7684\u624b\u6bb5\uff0c\u53ef\u786e\u4fdd\u8bbe\u8ba1\u610f\u56fe\u5f97\u5230\u5f88\u597d\u7684\u4f20\u8fbe\u4e14\u51c6\u786e\u65e0\u8bef\u3002\u5b83\u6709\u52a9\u4e8e\u5c06\u91cd\u70b9\u653e\u5728\u96f6\u4ef6\u7684\u529f\u80fd\u65b9\u9762\uff0c\u540c\u65f6\u5b9a\u4e49\u9002\u5f53\u7684\u516c\u5dee\uff0c\u4ee5\u51cf\u5c11\u6b67\u4e49\u3001\u63d0\u9ad8\u8d28\u91cf\u548c\u964d\u4f4e\u6210\u672c\u3002<\/p>\n\n\n\n<p>\u901a\u8fc7\u4e0e\u4ee5\u4e0b\u673a\u6784\u7684\u4e13\u5bb6\u4e00\u8d77\u638c\u63e1 GD&amp;T <a href=\"https:\/\/firstmold.com\/zh\/\" target=\"_blank\" rel=\"noreferrer noopener\"><strong>\u7b2c\u4e00\u79cd\u6a21\u5177<\/strong><\/a>\u56e0\u6b64\uff0c\u60a8\u53ef\u4ee5\u8bbe\u8ba1\u548c\u5236\u9020\u6ee1\u8db3\u6700\u82db\u523b\u8981\u6c42\u7684\u96f6\u4ef6\u3002<\/p>","protected":false},"excerpt":{"rendered":"<p>\u4e86\u89e3 GD&amp;T\uff0c\u8fd9\u662f\u4e00\u79cd\u7b26\u53f7\u7cfb\u7edf\uff0c\u53ef\u786e\u4fdd\u6839\u636e\u529f\u80fd\u516c\u5dee\u51c6\u786e\u5236\u9020\u96f6\u4ef6\u3002\u4e86\u89e3\u5b83\u5982\u4f55\u51cf\u5c11\u8bef\u5dee\u5e76\u63d0\u9ad8\u4ea7\u54c1\u8d28\u91cf\u3002.<\/p>","protected":false},"author":5,"featured_media":24055,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"inline_featured_image":false,"footnotes":""},"categories":[48],"tags":[54],"class_list":["post-24048","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-tips","tag-product-design"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v22.3 (Yoast SEO v27.5) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>GD&amp;T Guide: Geometric Dimensioning &amp; Tolerancing Basics<\/title>\n<meta name=\"description\" content=\"Learn GD&amp;T, a system that ensures accurate manufacturing, reduces costs, and improves part functionality with precise tolerances.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/firstmold.com\/zh\/tips\/gdt-geometric-tolerancing\/\" \/>\n<meta property=\"og:locale\" content=\"zh_CN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Understanding GD&amp;T: A Comprehensive Guide to Geometric Dimensioning and Tolerancing\" \/>\n<meta property=\"og:description\" content=\"Learn GD&amp;T, a system that ensures accurate manufacturing, reduces costs, and improves part functionality with precise tolerances.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/firstmold.com\/zh\/tips\/gdt-geometric-tolerancing\/\" \/>\n<meta property=\"og:site_name\" content=\"First Mold\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.youtube.com\/@firstmold\" \/>\n<meta property=\"article:published_time\" content=\"2024-10-07T02:13:31+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2025-11-28T03:44:11+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/firstmold.com\/wp-content\/uploads\/2024\/06\/firstmold-featured-image.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"1200\" \/>\n\t<meta property=\"og:image:height\" content=\"675\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"James Li\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:creator\" content=\"@firstmold2011\" \/>\n<meta name=\"twitter:site\" content=\"@firstmold2011\" \/>\n<meta name=\"twitter:label1\" content=\"\u4f5c\u8005\" \/>\n\t<meta name=\"twitter:data1\" content=\"James Li\" \/>\n\t<meta name=\"twitter:label2\" content=\"\u9884\u8ba1\u9605\u8bfb\u65f6\u95f4\" \/>\n\t<meta name=\"twitter:data2\" content=\"10 \u5206\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/firstmold.com\\\/tips\\\/gdt-geometric-tolerancing\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/firstmold.com\\\/tips\\\/gdt-geometric-tolerancing\\\/\"},\"author\":{\"name\":\"James Li\",\"@id\":\"https:\\\/\\\/firstmold.com\\\/#\\\/schema\\\/person\\\/41882a87bad7ee7a4cab1e8b0b75a0ae\"},\"headline\":\"Understanding GD&amp;T: A Comprehensive Guide to Geometric Dimensioning and Tolerancing\",\"datePublished\":\"2024-10-07T02:13:31+00:00\",\"dateModified\":\"2025-11-28T03:44:11+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\\\/\\\/firstmold.com\\\/tips\\\/gdt-geometric-tolerancing\\\/\"},\"wordCount\":1983,\"commentCount\":0,\"publisher\":{\"@id\":\"https:\\\/\\\/firstmold.com\\\/#organization\"},\"image\":{\"@id\":\"https:\\\/\\\/firstmold.com\\\/tips\\\/gdt-geometric-tolerancing\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/firstmold.com\\\/wp-content\\\/uploads\\\/2024\\\/10\\\/gdt-geometric-tolerancing-featured-image.jpg\",\"keywords\":[\"Product Design\"],\"articleSection\":[\"Tips &amp; Tricks\"],\"inLanguage\":\"zh-Hans\",\"potentialAction\":[{\"@type\":\"CommentAction\",\"name\":\"Comment\",\"target\":[\"https:\\\/\\\/firstmold.com\\\/tips\\\/gdt-geometric-tolerancing\\\/#respond\"]}]},{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/firstmold.com\\\/tips\\\/gdt-geometric-tolerancing\\\/\",\"url\":\"https:\\\/\\\/firstmold.com\\\/tips\\\/gdt-geometric-tolerancing\\\/\",\"name\":\"GD&T Guide: Geometric Dimensioning & Tolerancing Basics\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/firstmold.com\\\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\\\/\\\/firstmold.com\\\/tips\\\/gdt-geometric-tolerancing\\\/#primaryimage\"},\"image\":{\"@id\":\"https:\\\/\\\/firstmold.com\\\/tips\\\/gdt-geometric-tolerancing\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/firstmold.com\\\/wp-content\\\/uploads\\\/2024\\\/10\\\/gdt-geometric-tolerancing-featured-image.jpg\",\"datePublished\":\"2024-10-07T02:13:31+00:00\",\"dateModified\":\"2025-11-28T03:44:11+00:00\",\"description\":\"Learn GD&T, a system that ensures accurate manufacturing, reduces costs, and improves part functionality with precise tolerances.\",\"breadcrumb\":{\"@id\":\"https:\\\/\\\/firstmold.com\\\/tips\\\/gdt-geometric-tolerancing\\\/#breadcrumb\"},\"inLanguage\":\"zh-Hans\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\\\/\\\/firstmold.com\\\/tips\\\/gdt-geometric-tolerancing\\\/\"]}]},{\"@type\":\"ImageObject\",\"inLanguage\":\"zh-Hans\",\"@id\":\"https:\\\/\\\/firstmold.com\\\/tips\\\/gdt-geometric-tolerancing\\\/#primaryimage\",\"url\":\"https:\\\/\\\/firstmold.com\\\/wp-content\\\/uploads\\\/2024\\\/10\\\/gdt-geometric-tolerancing-featured-image.jpg\",\"contentUrl\":\"https:\\\/\\\/firstmold.com\\\/wp-content\\\/uploads\\\/2024\\\/10\\\/gdt-geometric-tolerancing-featured-image.jpg\",\"width\":800,\"height\":800,\"caption\":\"gdt geometric tolerancing featured image\"},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\\\/\\\/firstmold.com\\\/tips\\\/gdt-geometric-tolerancing\\\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\\\/\\\/firstmold.com\\\/zh\\\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Tips &amp; Tricks\",\"item\":\"https:\\\/\\\/firstmold.com\\\/zh\\\/category\\\/tips\\\/\"},{\"@type\":\"ListItem\",\"position\":3,\"name\":\"Understanding GD&amp;T: A Comprehensive Guide to Geometric Dimensioning and Tolerancing\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\\\/\\\/firstmold.com\\\/#website\",\"url\":\"https:\\\/\\\/firstmold.com\\\/\",\"name\":\"First Mold Manufacturing Limited | MFG\",\"description\":\"First Mold Official Website\",\"publisher\":{\"@id\":\"https:\\\/\\\/firstmold.com\\\/#organization\"},\"alternateName\":\"Parts Manufacturing Company | First Mold\",\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\\\/\\\/firstmold.com\\\/?s={search_term_string}\"},\"query-input\":{\"@type\":\"PropertyValueSpecification\",\"valueRequired\":true,\"valueName\":\"search_term_string\"}}],\"inLanguage\":\"zh-Hans\"},{\"@type\":\"Organization\",\"@id\":\"https:\\\/\\\/firstmold.com\\\/#organization\",\"name\":\"First Mold Manufacturing Limited\",\"alternateName\":\"First Mold\",\"url\":\"https:\\\/\\\/firstmold.com\\\/\",\"logo\":{\"@type\":\"ImageObject\",\"inLanguage\":\"zh-Hans\",\"@id\":\"https:\\\/\\\/firstmold.com\\\/#\\\/schema\\\/logo\\\/image\\\/\",\"url\":\"https:\\\/\\\/firstmold.com\\\/wp-content\\\/uploads\\\/2025\\\/06\\\/First-Mold-Manufacturing-Limited-Site-Representation-Logo.png\",\"contentUrl\":\"https:\\\/\\\/firstmold.com\\\/wp-content\\\/uploads\\\/2025\\\/06\\\/First-Mold-Manufacturing-Limited-Site-Representation-Logo.png\",\"width\":696,\"height\":696,\"caption\":\"First Mold Manufacturing Limited\"},\"image\":{\"@id\":\"https:\\\/\\\/firstmold.com\\\/#\\\/schema\\\/logo\\\/image\\\/\"},\"sameAs\":[\"https:\\\/\\\/www.youtube.com\\\/@firstmold\",\"https:\\\/\\\/x.com\\\/firstmold2011\",\"https:\\\/\\\/mastodon.social\\\/@firstmold\"],\"address\":[{\"@type\":\"PostalAddress\",\"name\":\"China Base\",\"streetAddress\":\"88 West Shagang Road, Gangkou Town\",\"addressLocality\":\"Zhongshan City\",\"addressRegion\":\"Guangdong\",\"postalCode\":\"528447\",\"addressCountry\":\"CN\"},{\"@type\":\"PostalAddress\",\"name\":\"Mexico Factory\",\"streetAddress\":\"Nave ISK-8, Parque Industrial y Log\u00edstico Sky Plus, Avenida Mineral de Cinco Se\u00f1ores No.100, del Parque Industrial Santa Fe\",\"addressLocality\":\"Silao de la Victoria\",\"addressRegion\":\"Guanajuato\",\"postalCode\":\"36270\",\"addressCountry\":\"MX\"},{\"@type\":\"PostalAddress\",\"name\":\"France Branch\",\"streetAddress\":\"2 Bis avenue des Cistes\",\"addressLocality\":\"Roquefort -la-Bedoule\",\"postalCode\":\"13830\",\"addressCountry\":\"FR\"},{\"@type\":\"PostalAddress\",\"name\":\"Singapore Branch\",\"streetAddress\":\"60 Paya Lebar Road #08-55\",\"addressLocality\":\"Singapore\",\"postalCode\":\"409051\",\"addressCountry\":\"SG\"}],\"description\":\"First Mold, whose full name is First Mold Manufacturing Limited, is a large-scale manufacturing company specializing in mold manufacturing, injection molding services, CNC machining, and rapid prototyping. With production bases in both China and Mexico, First Mold serves a global clientele.\",\"email\":\"marketing@firstmold.com\",\"telephone\":\"+86 18928160183\",\"legalName\":\"First Mold Manufacturing Limited\",\"foundingDate\":\"2012-02-19\",\"duns\":\"60-139-1218\",\"numberOfEmployees\":{\"@type\":\"QuantitativeValue\",\"minValue\":\"201\",\"maxValue\":\"500\"}},{\"@type\":\"Person\",\"@id\":\"https:\\\/\\\/firstmold.com\\\/#\\\/schema\\\/person\\\/41882a87bad7ee7a4cab1e8b0b75a0ae\",\"name\":\"James Li\",\"image\":{\"@type\":\"ImageObject\",\"inLanguage\":\"zh-Hans\",\"@id\":\"https:\\\/\\\/secure.gravatar.com\\\/avatar\\\/e87553a9ae18a4c4bf75ff289d416ca431008e451eeea1dded57a08ec0fa3471?s=96&d=mm&r=g\",\"url\":\"https:\\\/\\\/secure.gravatar.com\\\/avatar\\\/e87553a9ae18a4c4bf75ff289d416ca431008e451eeea1dded57a08ec0fa3471?s=96&d=mm&r=g\",\"contentUrl\":\"https:\\\/\\\/secure.gravatar.com\\\/avatar\\\/e87553a9ae18a4c4bf75ff289d416ca431008e451eeea1dded57a08ec0fa3471?s=96&d=mm&r=g\",\"caption\":\"James Li\"},\"description\":\"Mold Making &amp; Precision Manufacturing Expert\",\"sameAs\":[\"https:\\\/\\\/firstmold.com\\\/\",\"https:\\\/\\\/www.linkedin.com\\\/in\\\/james-li-3950a622\\\/\"],\"honorificPrefix\":\"Mr.\",\"gender\":\"male\",\"knowsAbout\":[\"Mold Making\",\"Injection Molding\",\"CNC machining\"],\"knowsLanguage\":[\"English\",\"Chinese\"],\"jobTitle\":\"Technical Director\",\"worksFor\":\"First Mold Manufacturing Limited\",\"url\":\"https:\\\/\\\/firstmold.com\\\/zh\\\/author\\\/james-li\\\/\"}]}<\/script>\n<!-- \/ Yoast SEO Premium plugin. -->","yoast_head_json":{"title":"GD&amp;T \u6307\u5357\uff1a\u51e0\u4f55\u5c3a\u5bf8\u6807\u6ce8\u4e0e\u516c\u5dee\u57fa\u7840\u77e5\u8bc6","description":"\u4e86\u89e3 GD&amp;T\uff0c\u8fd9\u662f\u4e00\u79cd\u901a\u8fc7\u7cbe\u786e\u516c\u5dee\u786e\u4fdd\u7cbe\u786e\u5236\u9020\u3001\u964d\u4f4e\u6210\u672c\u548c\u63d0\u9ad8\u96f6\u4ef6\u529f\u80fd\u7684\u7cfb\u7edf\u3002","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/firstmold.com\/zh\/tips\/gdt-geometric-tolerancing\/","og_locale":"zh_CN","og_type":"article","og_title":"Understanding GD&amp;T: A Comprehensive Guide to Geometric Dimensioning and Tolerancing","og_description":"Learn GD&T, a system that ensures accurate manufacturing, reduces costs, and improves part functionality with precise tolerances.","og_url":"https:\/\/firstmold.com\/zh\/tips\/gdt-geometric-tolerancing\/","og_site_name":"First Mold","article_publisher":"https:\/\/www.youtube.com\/@firstmold","article_published_time":"2024-10-07T02:13:31+00:00","article_modified_time":"2025-11-28T03:44:11+00:00","og_image":[{"width":1200,"height":675,"url":"https:\/\/firstmold.com\/wp-content\/uploads\/2024\/06\/firstmold-featured-image.jpg","type":"image\/jpeg"}],"author":"James Li","twitter_card":"summary_large_image","twitter_creator":"@firstmold2011","twitter_site":"@firstmold2011","twitter_misc":{"\u4f5c\u8005":"James Li","\u9884\u8ba1\u9605\u8bfb\u65f6\u95f4":"10 \u5206"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"Article","@id":"https:\/\/firstmold.com\/tips\/gdt-geometric-tolerancing\/#article","isPartOf":{"@id":"https:\/\/firstmold.com\/tips\/gdt-geometric-tolerancing\/"},"author":{"name":"James Li","@id":"https:\/\/firstmold.com\/#\/schema\/person\/41882a87bad7ee7a4cab1e8b0b75a0ae"},"headline":"Understanding GD&amp;T: A Comprehensive Guide to Geometric Dimensioning and Tolerancing","datePublished":"2024-10-07T02:13:31+00:00","dateModified":"2025-11-28T03:44:11+00:00","mainEntityOfPage":{"@id":"https:\/\/firstmold.com\/tips\/gdt-geometric-tolerancing\/"},"wordCount":1983,"commentCount":0,"publisher":{"@id":"https:\/\/firstmold.com\/#organization"},"image":{"@id":"https:\/\/firstmold.com\/tips\/gdt-geometric-tolerancing\/#primaryimage"},"thumbnailUrl":"https:\/\/firstmold.com\/wp-content\/uploads\/2024\/10\/gdt-geometric-tolerancing-featured-image.jpg","keywords":["Product Design"],"articleSection":["Tips &amp; Tricks"],"inLanguage":"zh-Hans","potentialAction":[{"@type":"CommentAction","name":"Comment","target":["https:\/\/firstmold.com\/tips\/gdt-geometric-tolerancing\/#respond"]}]},{"@type":"WebPage","@id":"https:\/\/firstmold.com\/tips\/gdt-geometric-tolerancing\/","url":"https:\/\/firstmold.com\/tips\/gdt-geometric-tolerancing\/","name":"GD&amp;T \u6307\u5357\uff1a\u51e0\u4f55\u5c3a\u5bf8\u6807\u6ce8\u4e0e\u516c\u5dee\u57fa\u7840\u77e5\u8bc6","isPartOf":{"@id":"https:\/\/firstmold.com\/#website"},"primaryImageOfPage":{"@id":"https:\/\/firstmold.com\/tips\/gdt-geometric-tolerancing\/#primaryimage"},"image":{"@id":"https:\/\/firstmold.com\/tips\/gdt-geometric-tolerancing\/#primaryimage"},"thumbnailUrl":"https:\/\/firstmold.com\/wp-content\/uploads\/2024\/10\/gdt-geometric-tolerancing-featured-image.jpg","datePublished":"2024-10-07T02:13:31+00:00","dateModified":"2025-11-28T03:44:11+00:00","description":"\u4e86\u89e3 GD&amp;T\uff0c\u8fd9\u662f\u4e00\u79cd\u901a\u8fc7\u7cbe\u786e\u516c\u5dee\u786e\u4fdd\u7cbe\u786e\u5236\u9020\u3001\u964d\u4f4e\u6210\u672c\u548c\u63d0\u9ad8\u96f6\u4ef6\u529f\u80fd\u7684\u7cfb\u7edf\u3002","breadcrumb":{"@id":"https:\/\/firstmold.com\/tips\/gdt-geometric-tolerancing\/#breadcrumb"},"inLanguage":"zh-Hans","potentialAction":[{"@type":"ReadAction","target":["https:\/\/firstmold.com\/tips\/gdt-geometric-tolerancing\/"]}]},{"@type":"ImageObject","inLanguage":"zh-Hans","@id":"https:\/\/firstmold.com\/tips\/gdt-geometric-tolerancing\/#primaryimage","url":"https:\/\/firstmold.com\/wp-content\/uploads\/2024\/10\/gdt-geometric-tolerancing-featured-image.jpg","contentUrl":"https:\/\/firstmold.com\/wp-content\/uploads\/2024\/10\/gdt-geometric-tolerancing-featured-image.jpg","width":800,"height":800,"caption":"gdt geometric tolerancing featured image"},{"@type":"BreadcrumbList","@id":"https:\/\/firstmold.com\/tips\/gdt-geometric-tolerancing\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https:\/\/firstmold.com\/zh\/"},{"@type":"ListItem","position":2,"name":"Tips &amp; Tricks","item":"https:\/\/firstmold.com\/zh\/category\/tips\/"},{"@type":"ListItem","position":3,"name":"Understanding GD&amp;T: A Comprehensive Guide to Geometric Dimensioning and Tolerancing"}]},{"@type":"WebSite","@id":"https:\/\/firstmold.com\/#website","url":"https:\/\/firstmold.com\/","name":"\u7b2c\u4e00\u6a21\u5177\u5236\u9020\u6709\u9650\u516c\u53f8 | MFG","description":"First Mold \u5b98\u65b9\u7f51\u7ad9","publisher":{"@id":"https:\/\/firstmold.com\/#organization"},"alternateName":"Parts Manufacturing Company | First Mold","potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/firstmold.com\/?s={search_term_string}"},"query-input":{"@type":"PropertyValueSpecification","valueRequired":true,"valueName":"search_term_string"}}],"inLanguage":"zh-Hans"},{"@type":"Organization","@id":"https:\/\/firstmold.com\/#organization","name":"\u7b2c\u4e00\u6a21\u5177\u5236\u9020\u6709\u9650\u516c\u53f8","alternateName":"First Mold","url":"https:\/\/firstmold.com\/","logo":{"@type":"ImageObject","inLanguage":"zh-Hans","@id":"https:\/\/firstmold.com\/#\/schema\/logo\/image\/","url":"https:\/\/firstmold.com\/wp-content\/uploads\/2025\/06\/First-Mold-Manufacturing-Limited-Site-Representation-Logo.png","contentUrl":"https:\/\/firstmold.com\/wp-content\/uploads\/2025\/06\/First-Mold-Manufacturing-Limited-Site-Representation-Logo.png","width":696,"height":696,"caption":"First Mold Manufacturing Limited"},"image":{"@id":"https:\/\/firstmold.com\/#\/schema\/logo\/image\/"},"sameAs":["https:\/\/www.youtube.com\/@firstmold","https:\/\/x.com\/firstmold2011","https:\/\/mastodon.social\/@firstmold"],"address":[{"@type":"PostalAddress","name":"China Base","streetAddress":"88 West Shagang Road, Gangkou Town","addressLocality":"Zhongshan City","addressRegion":"Guangdong","postalCode":"528447","addressCountry":"CN"},{"@type":"PostalAddress","name":"Mexico Factory","streetAddress":"Nave ISK-8, Parque Industrial y Log\u00edstico Sky Plus, Avenida Mineral de Cinco Se\u00f1ores No.100, del Parque Industrial Santa Fe","addressLocality":"Silao de la Victoria","addressRegion":"Guanajuato","postalCode":"36270","addressCountry":"MX"},{"@type":"PostalAddress","name":"France Branch","streetAddress":"2 Bis avenue des Cistes","addressLocality":"Roquefort -la-Bedoule","postalCode":"13830","addressCountry":"FR"},{"@type":"PostalAddress","name":"Singapore Branch","streetAddress":"60 Paya Lebar Road #08-55","addressLocality":"Singapore","postalCode":"409051","addressCountry":"SG"}],"description":"First Mold \u7684\u5168\u79f0\u662f First Mold Manufacturing Limited\uff0c\u662f\u4e00\u5bb6\u4e13\u4e1a\u4ece\u4e8b\u6a21\u5177\u5236\u9020\u3001\u6ce8\u5851\u6210\u578b\u670d\u52a1\u3001\u6570\u63a7\u52a0\u5de5\u548c\u5feb\u901f\u6210\u578b\u7684\u5927\u578b\u5236\u9020\u4f01\u4e1a\u3002First Mold \u5728\u4e2d\u56fd\u548c\u58a8\u897f\u54e5\u5747\u8bbe\u6709\u751f\u4ea7\u57fa\u5730\uff0c\u4e3a\u5168\u7403\u5ba2\u6237\u63d0\u4f9b\u670d\u52a1\u3002","email":"marketing@firstmold.com","telephone":"+86 18928160183","legalName":"First Mold Manufacturing Limited","foundingDate":"2012-02-19","duns":"60-139-1218","numberOfEmployees":{"@type":"QuantitativeValue","minValue":"201","maxValue":"500"}},{"@type":"Person","@id":"https:\/\/firstmold.com\/#\/schema\/person\/41882a87bad7ee7a4cab1e8b0b75a0ae","name":"James Li","image":{"@type":"ImageObject","inLanguage":"zh-Hans","@id":"https:\/\/secure.gravatar.com\/avatar\/e87553a9ae18a4c4bf75ff289d416ca431008e451eeea1dded57a08ec0fa3471?s=96&d=mm&r=g","url":"https:\/\/secure.gravatar.com\/avatar\/e87553a9ae18a4c4bf75ff289d416ca431008e451eeea1dded57a08ec0fa3471?s=96&d=mm&r=g","contentUrl":"https:\/\/secure.gravatar.com\/avatar\/e87553a9ae18a4c4bf75ff289d416ca431008e451eeea1dded57a08ec0fa3471?s=96&d=mm&r=g","caption":"James Li"},"description":"\u6a21\u5177\u5236\u9020\u548c\u7cbe\u5bc6\u5236\u9020\u4e13\u5bb6","sameAs":["https:\/\/firstmold.com\/","https:\/\/www.linkedin.com\/in\/james-li-3950a622\/"],"honorificPrefix":"Mr.","gender":"male","knowsAbout":["Mold Making","Injection Molding","CNC machining"],"knowsLanguage":["English","Chinese"],"jobTitle":"Technical Director","worksFor":"First Mold Manufacturing Limited","url":"https:\/\/firstmold.com\/zh\/author\/james-li\/"}]}},"_links":{"self":[{"href":"https:\/\/firstmold.com\/zh\/wp-json\/wp\/v2\/posts\/24048","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/firstmold.com\/zh\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/firstmold.com\/zh\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/firstmold.com\/zh\/wp-json\/wp\/v2\/users\/5"}],"replies":[{"embeddable":true,"href":"https:\/\/firstmold.com\/zh\/wp-json\/wp\/v2\/comments?post=24048"}],"version-history":[{"count":2,"href":"https:\/\/firstmold.com\/zh\/wp-json\/wp\/v2\/posts\/24048\/revisions"}],"predecessor-version":[{"id":34758,"href":"https:\/\/firstmold.com\/zh\/wp-json\/wp\/v2\/posts\/24048\/revisions\/34758"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/firstmold.com\/zh\/wp-json\/wp\/v2\/media\/24055"}],"wp:attachment":[{"href":"https:\/\/firstmold.com\/zh\/wp-json\/wp\/v2\/media?parent=24048"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/firstmold.com\/zh\/wp-json\/wp\/v2\/categories?post=24048"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/firstmold.com\/zh\/wp-json\/wp\/v2\/tags?post=24048"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}