{"id":29117,"date":"2026-05-29T18:51:51","date_gmt":"2026-05-29T18:51:51","guid":{"rendered":"https:\/\/leweiprecision.com\/"},"modified":"2026-05-30T19:03:51","modified_gmt":"2026-05-30T19:03:51","slug":"cnc%e5%8a%a0%e5%b7%a5%e5%85%ac%e5%b7%ae%e8%a7%a3%e6%9e%90","status":"publish","type":"post","link":"https:\/\/leweiprecision.com\/zh\/cnc-machining-tolerances-explained\/","title":{"rendered":"\u6570\u63a7\u52a0\u5de5\u516c\u5dee\u8be6\u89e3\uff1aISO 2768\u3001GD&amp;T \u4ee5\u53ca\u96f6\u4ef6\u89c4\u683c\u7684\u5236\u5b9a\u8981\u70b9"},"content":{"rendered":"<p>\u516c\u5dee\u89c4\u683c\u662f\u6570\u63a7\u52a0\u5de5\u96f6\u4ef6\u8bbe\u8ba1\u4e2d\u5f71\u54cd\u6700\u4e3a\u6df1\u8fdc\u2014\u2014\u4e5f\u662f\u6700\u6613\u88ab\u8bef\u89e3\u2014\u2014\u7684\u65b9\u9762\u4e4b\u4e00\u3002\u5982\u679c\u516c\u5dee\u89c4\u5b9a\u5f97\u8fc7\u5bbd\uff0c\u52a0\u5de5\u51fa\u7684\u96f6\u4ef6\u5c06\u65e0\u6cd5\u6b63\u786e\u88c5\u914d\uff1b\u5982\u679c\u516c\u5dee\u89c4\u5b9a\u5f97\u8fc7\u7d27\uff0c\u5219\u4f1a\u4e3a\u6beb\u65e0\u529f\u80fd\u6027\u76ca\u5904\u7684\u7cbe\u5ea6\u4ed8\u51fa\u9ad8\u6602\u4ee3\u4ef7\u3002 \u6b63\u786e\u8bbe\u5b9a\u516c\u5dee\u662f\u4e00\u9879\u6280\u80fd\uff0c\u5b83\u6e90\u4e8e\u5bf9\u6570\u63a7\u673a\u5e8a\u5b9e\u9645\u52a0\u5de5\u80fd\u529b\u4ee5\u53ca\u4e0d\u540c\u516c\u5dee\u7b49\u7ea7\u5728\u5b9e\u8df5\u4e2d\u6240\u9700\u6210\u672c\u7684\u7406\u89e3\u3002.<\/p>\n\n\n\n<p>\u672c\u6307\u5357\u6db5\u76d6\u4e86\u89c4\u5b9a\u4e00\u822c\u673a\u68b0\u52a0\u5de5\u516c\u5dee\u7684 ISO 2768 \u6807\u51c6\u3001\u7528\u4e8e\u63a7\u5236\u51e0\u4f55\u7cbe\u5ea6\u7684 GD&amp;T \u7279\u5f81\u63a7\u5236\u3001\u4e0d\u540c\u7279\u5f81\u7c7b\u578b\u53ef\u8fbe\u5230\u7684\u516c\u5dee\u503c\uff0c\u4ee5\u53ca\u5bf9\u6210\u672c\u5f71\u54cd\u6700\u5927\u7684\u5177\u4f53\u516c\u5dee\u51b3\u7b56\u3002.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>ISO 2768 \u2014\u2014 \u901a\u7528\u673a\u68b0\u52a0\u5de5\u516c\u5dee\u7684\u57fa\u7840<\/strong><strong><\/strong><\/h2>\n\n\n\n<p>ISO 2768 \u89c4\u5b9a\u4e86\u673a\u52a0\u5de5\u96f6\u4ef6\u7684\u4e00\u822c\u51e0\u4f55\u516c\u5dee\u2014\u2014\u5373\u9002\u7528\u4e8e\u56fe\u7eb8\u4e0a\u4efb\u4f55\u672a\u6807\u6ce8\u5177\u4f53\u516c\u5dee\u7684\u5c3a\u5bf8\u7684\u9ed8\u8ba4\u516c\u5dee\u3002\u8be5\u6807\u51c6\u5bf9\u7ebf\u6027\u5c3a\u5bf8\u8bbe\u5b9a\u4e86\u56db\u4e2a\u7b49\u7ea7\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><td><strong>ISO 2768 \u7b49\u7ea7<\/strong><\/td><td><strong>\u7b26\u53f7<\/strong><\/td><\/tr><tr><td><strong>\u597d\u7684<\/strong><\/td><td>f<\/td><\/tr><tr><td><strong>\u4e2d\u578b<\/strong><\/td><td>m<\/td><\/tr><tr><td><strong>\u7c97\u7cd9<\/strong><\/td><td>c<\/td><\/tr><tr><td><strong>\u975e\u5e38\u7c97\u7cd9<\/strong><\/td><td>v<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p>ISO 2768-m \u662f\u5927\u591a\u6570\u4f01\u4e1a\u91c7\u7528\u7684\u6807\u51c6\u9ed8\u8ba4\u516c\u5dee\u7b49\u7ea7\uff0c <a href=\"https:\/\/leweiprecision.com\/zh\/%e6%9c%8d%e5%8a%a1\/%e6%95%b0%e6%8e%a7%e5%8a%a0%e5%b7%a5\/\">\u6570\u63a7\u673a\u5e8a<\/a> \u4ece\u4e8b\u4e00\u822c\u7cbe\u5bc6\u52a0\u5de5\u7684\u8f66\u95f4\u3002\u5f53\u60a8\u7684\u56fe\u7eb8\u4e0a\u6807\u6ce8\u2018\u6309 ISO 2768-m \u6807\u51c6\u7684\u4e00\u822c\u516c\u5dee\u2019\u4e14\u672a\u4f5c\u5355\u72ec\u6807\u6ce8\u65f6\uff0c\u6240\u6709\u672a\u6807\u6ce8\u5c3a\u5bf8\u5747\u6309 \u00b10.10 \u6beb\u7c73\u6267\u884c\u3002\u5bf9\u4e8e\u5927\u591a\u6570\u5177\u6709\u529f\u80fd\u6027\u7684\u673a\u52a0\u5de5\u96f6\u4ef6\u800c\u8a00\uff0c\u8fd9\u662f\u6b63\u786e\u7684\u9ed8\u8ba4\u8bbe\u7f6e\u3002\u4ec5\u5728\u529f\u80fd\u786e\u5b9e\u9700\u8981\u65f6\uff0c\u624d\u6807\u6ce8\u66f4\u4e25\u683c\u7684\u516c\u5dee\u3002.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>\u6309\u7279\u5f81\u7c7b\u578b\u5212\u5206\u7684\u53ef\u8fbe\u516c\u5dee<\/strong><strong><\/strong><\/h2>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><td><strong>\u529f\u80fd\u7c7b\u578b<\/strong><\/td><td><strong>\u53ef\u8fbe\u5230\u7684\u6807\u51c6<\/strong><\/td><\/tr><tr><td><strong><a href=\"https:\/\/leweiprecision.com\/zh\/%e6%95%b0%e6%8e%a7%e9%93%a3%e5%89%8a%e5%85%ac%e5%b7%ae%e4%b8%8e%e8%a1%a8%e9%9d%a2%e7%b2%97%e7%b3%99%e5%ba%a6%ef%bc%9a%e5%85%a8%e9%9d%a2%e6%8c%87%e5%8d%97\/\">\u94e3\u524a\u5e73\u5766\u8868\u9762<\/a><\/strong><\/td><td>\u00b10.05\u6beb\u7c73<\/td><\/tr><tr><td><strong>\u94bb\u5b54\u76f4\u5f84<\/strong><\/td><td>\u00b10.1\u6beb\u7c73<\/td><\/tr><tr><td><strong>\u94bb\u5b54\uff08\u7cbe\u5bc6\uff09<\/strong><\/td><td>\u00b10.025\u6beb\u7c73<\/td><\/tr><tr><td><strong>\u94e3\u524a\u69fd\u5bbd<\/strong><\/td><td>\u00b10.05\u6beb\u7c73<\/td><\/tr><tr><td><strong>\u87ba\u7eb9\u8282\u8ddd\u76f4\u5f84<\/strong><\/td><td>\u00b10.05\u6beb\u7c73\uff086H\u7ea7\uff09<\/td><\/tr><tr><td><strong>\u8868\u9762\u5e73\u884c\u5ea6<\/strong><\/td><td>0.05\u6beb\u7c73\/100\u6beb\u7c73<\/td><\/tr><tr><td><strong>\u8868\u9762\u5e73\u6574\u5ea6<\/strong><\/td><td>0.05\u6beb\u7c73<\/td><\/tr><tr><td><strong>\u5b9a\u4f4d\u7cbe\u5ea6\uff08\u5b54\u4f4d\u5206\u5e03\uff09<\/strong><\/td><td>\u00b10.05\u6beb\u7c73<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>GD&amp;T \u7279\u5f81\u63a7\u5236\u2014\u2014\u4f55\u65f6\u4f7f\u7528<\/strong><strong><\/strong><\/h2>\n\n\n\n<p>GD&amp;T\uff08\u51e0\u4f55\u5c3a\u5bf8\u4e0e\u516c\u5dee\uff09\u662f\u4e00\u79cd\u7528\u4e8e\u89c4\u5b9a\u51e0\u4f55\u7cbe\u5ea6\uff08\u5982\u5e73\u76f4\u5ea6\u3001\u5782\u76f4\u5ea6\u3001\u5e73\u884c\u5ea6\u3001\u540c\u5fc3\u5ea6\u3001\u8df3\u52a8\u3001\u4f4d\u7f6e\uff09\u4ee5\u53ca\u5c3a\u5bf8\u516c\u5dee\u7684\u4f53\u7cfb\u3002. <a href=\"https:\/\/www.gdandtbasics.com\/gdt-symbols\/\" target=\"_blank\" rel=\"noopener\">GD&amp;T \u63a7\u5236<\/a> \u7279\u5f81\u7684\u5f62\u72b6\u53ca\u5176\u76f8\u4e92\u5173\u7cfb\uff0c\u800c\u4e0d\u4ec5\u4ec5\u662f\u5b83\u4eec\u7684\u5927\u5c0f\u3002.<\/p>\n\n\n\n<p>\u4e0e\u2026\u2026\u76f8\u5173\u7684\u5173\u952eGD&amp;T\u63a7\u5236\u63aa\u65bd <a href=\"https:\/\/leweiprecision.com\/zh\/top-cnc-machining-services-for-semiconductor\/\">\u6570\u63a7\u52a0\u5de5\u4ef6<\/a>:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u5e73\u6574\u5ea6 (\u23e5)\uff1a <\/strong>\u63a7\u5236\u8868\u9762\u7684\u5e73\u6574\u5ea6\uff0c\u65e0\u8bba\u5176\u4f4d\u7f6e\u5982\u4f55\u3002\u9002\u7528\u4e8e\u5bc6\u5c01\u9762\u3001\u7cbe\u5bc6\u63a5\u89e6\u9762\u548c\u5149\u5b66\u57fa\u5ea7\u3002\u793a\u4f8b\uff1a\u9600\u4f53\u5bc6\u5c01\u9762\u7684\u5e73\u6574\u5ea6\u4e3a0.02\u6beb\u7c73\u3002.<\/li>\n\n\n\n<li><strong>\u5782\u76f4\u6027 (\u22a5)\uff1a <\/strong>\u63a7\u5236\u7279\u5f81\u76f8\u5bf9\u4e8e\u57fa\u51c6\u9762\u7684\u5782\u76f4\u5ea6\u3002\u5bf9\u4e8e\u5fc5\u987b\u4e0e\u7aef\u9762\u5782\u76f4\u4ee5\u5b9e\u73b0\u8f74\u627f\u914d\u5408\u7684\u5b54\u800c\u8a00\uff0c\u8fd9\u4e00\u70b9\u81f3\u5173\u91cd\u8981\u3002\u793a\u4f8b\uff1a\u5b54\u8f74\u7ebf\u4e0e\u57fa\u9762\u4e4b\u95f4\u7684\u5782\u76f4\u5ea6\u4e3a0.03\u6beb\u7c73\u3002.<\/li>\n\n\n\n<li><strong>\u4f4d\u7f6e (\u2295)\uff1a <\/strong>\u63a7\u5236\u7279\u5f81\uff08\u5b54\u3001\u69fd\u3001\u51f8\u53f0\uff09\u76f8\u5bf9\u4e8e\u57fa\u51c6\u53c2\u8003\u7cfb\u7684\u786e\u5207\u4f4d\u7f6e\u3002\u5bf9\u4e8e\u5b54\u9635\u5217\u800c\u8a00\uff0c\u5176\u4fe1\u606f\u91cf\u6bd4\u5750\u6807\u516c\u5dee\u66f4\u4e3a\u4e30\u5bcc\u3002\u793a\u4f8b\uff1a\u87ba\u6813\u5706\u7684\u00d80.1mm\u786e\u5207\u4f4d\u7f6e\u3002.<\/li>\n\n\n\n<li><strong>\u540c\u5fc3\u5ea6\/\u540c\u8f74\u5ea6 (\u25ce)\uff1a <\/strong>\u63a7\u5236\u4e24\u4e2a\u5706\u67f1\u5f62\u7279\u5f81\u5171\u8f74\u5ea6\u7684\u7cbe\u786e\u7a0b\u5ea6\u3002\u8fd9\u5bf9\u65cb\u8f6c\u88c5\u914d\u4f53\u3001\u8f74\u548c\u7cbe\u5bc6\u8054\u8f74\u5668\u81f3\u5173\u91cd\u8981\u3002.<\/li>\n\n\n\n<li><strong>\u8868\u9762\u8f6e\u5ed3 (\u2312)\uff1a <\/strong>\u63a7\u5236\u81ea\u7531\u66f2\u9762\u7684\u5f62\u72b6\u3002\u8fd9\u662f\u822a\u7a7a\u822a\u5929\u9886\u57df\u6c14\u52a8\u8868\u9762\u548c\u7cbe\u5bc6\u8f6e\u5ed3\u7279\u5f81\u6240\u5fc5\u9700\u7684\u3002.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>\u5bfc\u81f4\u6210\u672c\u6700\u9ad8\u7684\u516c\u5dee\u51b3\u7b56<\/strong><strong><\/strong><\/h2>\n\n\n\n<p>\u6839\u636e\u4e50\u5a01\u7cbe\u5bc6\u5bf9\u6570\u5343\u79cd\u5ba2\u6237\u96f6\u4ef6\u7684DFM\u5ba1\u67e5\u6570\u636e\uff0c\u4ee5\u4e0b\u662f\u90a3\u4e9b\u6700\u5e38\u5bfc\u81f4\u4e0d\u5fc5\u8981\u6210\u672c\u7684\u516c\u5dee\u51b3\u7b56\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u5168\u7403\u9ad8\u7cbe\u5ea6\u516c\u5dee\u5e94\u7528\uff1a <\/strong>\u5f53\u53ea\u67093\u4e2a\u7279\u5f81\u9700\u8981\u65f6\uff0c\u5374\u5bf9\u6574\u4e2a\u56fe\u7eb8\u5e94\u7528\u00b10.02mm\u7684\u516c\u5dee\u3002\u6210\u672c\u5f71\u54cd\uff1a\u662f\u9009\u62e9\u6027\u4e25\u683c\u516c\u5dee\u6210\u672c\u76842\u20135\u500d\u3002.<\/li>\n\n\n\n<li><strong>\u5927\u9762\u79ef\u8868\u9762\u7684\u5e73\u6574\u5ea6\u6807\u6ce8\uff1a <\/strong>\u5bf9\u4e8e200\u6beb\u7c73\u00d7100\u6beb\u7c73\u7684\u7aef\u9762\uff0c\u82e5\u5e73\u76f4\u5ea6\u8981\u6c42\u4e3a0.005\u6beb\u7c73\uff0c\u5219\u9700\u8981\u8fdb\u884c\u78e8\u524a\u2014\u2014\u8fd9\u4f1a\u5927\u5e45\u589e\u52a0\u6210\u672c\u3002\u901a\u8fc7\u94e3\u524a\u5e76\u914d\u5408\u9002\u5f53\u7684\u7cbe\u52a0\u5de5\u9053\uff0c\u53ef\u5b9e\u73b00.02\u6beb\u7c73\u7684\u5e73\u76f4\u5ea6\u3002.<\/li>\n\n\n\n<li><strong>\u975e\u5173\u952e\u5b54\u7684\u5b9e\u9645\u4f4d\u7f6e\uff1a <\/strong>\u5c06\u00d80.05mm\u7684\u516c\u5dee\u8981\u6c42\u5e94\u7528\u4e8e\u6240\u6709\u5b54\uff0c\u800c\u5176\u4e2d\u5927\u591a\u6570\u53ea\u662f\u516c\u5dee\u4ec5\u9700\u00b10.1mm\u7684\u901a\u5b54\u3002\u5bf9\u6bcf\u4e2a\u5b54\u90fd\u8fdb\u884c\u4e09\u5750\u6807\u6d4b\u91cf\u673a\uff08CMM\uff09\u9a8c\u8bc1\u4f1a\u5927\u5927\u589e\u52a0\u68c0\u6d4b\u65f6\u95f4\u3002.<\/li>\n\n\n\n<li><strong>\u8868\u9762\u5904\u7406\u6807\u6ce8\u8981\u6c42\u6bd4\u5b9e\u9645\u9700\u8981\u7684\u66f4\u4e25\u683c\uff1a <\/strong>\u5728\u7ed3\u6784\u8868\u9762\u4e0a\uff0cRa\u503c\u4e3a0.4\u5fae\u7c73\uff0c\u800cRa\u503c\u4e3a1.6\u5fae\u7c73\u5728\u529f\u80fd\u4e0a\u5df2\u8db3\u591f\u3002\u5728\u6279\u91cf\u751f\u4ea7\u65f6\uff0c\u7cbe\u52a0\u5de5\u5de5\u5e8f\u7684\u6210\u672c\u5dee\u5f02\u76f8\u5f53\u663e\u8457\u3002.<\/li>\n<\/ul>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><td><em>Lewei Precision \u7684 DFM \u5ba1\u67e5\u4f1a\u9488\u5bf9\u5ba2\u6237\u4e0a\u4f20\u7684\u6bcf\u4efd CAD \u6587\u4ef6\uff0c\u8bc6\u522b\u51fa\u516c\u5dee\u8fc7\u5ea6\u89c4\u683c\u5316\u7684\u60c5\u51b5\u3002\u6211\u4eec\u4f1a\u6807\u6ce8\u54ea\u4e9b\u6807\u6ce8\u9879\u5728\u672a\u589e\u52a0\u529f\u80fd\u7684\u60c5\u51b5\u4e0b\u63a8\u9ad8\u4e86\u6210\u672c\uff0c\u5e76\u63a8\u8350\u5408\u9002\u7684\u89c4\u683c\u3002\u8bf7\u8bbf\u95ee leweiprecision.com \u4e0a\u4f20\u60a8\u7684\u96f6\u4ef6<\/em><\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>\u5e38\u89c1\u95ee\u9898<\/strong><strong><\/strong><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>\u5728\u4e0d\u8fdb\u884c\u78e8\u524a\u7684\u60c5\u51b5\u4e0b\uff0c\u6807\u51c6\u6570\u63a7\u52a0\u5de5\u80fd\u8fbe\u5230\u7684\u6700\u5c0f\u516c\u5dee\u662f\u591a\u5c11\uff1f<\/strong><\/h3>\n\n\n\n<p>\u5728\u7ecf\u8fc7\u6821\u51c6\u7684\u673a\u5e8a\u4e0a\uff0c\u91c7\u7528\u9002\u5f53\u7684\u5939\u5177\u8fdb\u884c\u6807\u51c6\u6570\u63a7\u94e3\u524a\u548c\u8f66\u524a\u65f6\uff0c\u7279\u5f81\u5c3a\u5bf8\u7684\u5b9e\u9645\u6781\u9650\u4e3a\u00b10.005\u6beb\u7c73\uff0c\u5b9a\u4f4d\u7cbe\u5ea6\u4e3a\u00b10.01\u6beb\u7c73\uff0c\u8fd9\u9700\u8981\u901a\u8fc7\u4e13\u95e8\u7684\u7cbe\u52a0\u5de5\u5de5\u5e8f\u548c\u8fc7\u7a0b\u6d4b\u91cf\u6765\u5b9e\u73b0\u3002\u82e5\u8981\u8fbe\u5230\u6bd4\u8fd9\u66f4\u7cbe\u786e\u7684\u6c34\u5e73\uff0c\u5219\u9700\u8981\u8fdb\u884c\u78e8\u524a\u3001\u7814\u78e8\u6216\u73e9\u78e8\u3002.<\/p>\n\n\n\n<h3 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Specify too loosely and you get a part that does not assemble correctly. Specify too tightly and you pay significantly more for precision that provides no functional benefit. Getting tolerances right is a skill that [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[13],"tags":[],"class_list":["post-29117","post","type-post","status-publish","format-standard","hentry","category-cnc-machining"],"acf":[],"_links":{"self":[{"href":"https:\/\/leweiprecision.com\/zh\/wp-json\/wp\/v2\/posts\/29117","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/leweiprecision.com\/zh\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/leweiprecision.com\/zh\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/leweiprecision.com\/zh\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/leweiprecision.com\/zh\/wp-json\/wp\/v2\/comments?post=29117"}],"version-history":[{"count":0,"href":"https:\/\/leweiprecision.com\/zh\/wp-json\/wp\/v2\/posts\/29117\/revisions"}],"wp:attachment":[{"href":"https:\/\/leweiprecision.com\/zh\/wp-json\/wp\/v2\/media?parent=29117"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/leweiprecision.com\/zh\/wp-json\/wp\/v2\/categories?post=29117"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/leweiprecision.com\/zh\/wp-json\/wp\/v2\/tags?post=29117"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}