{"id":9991,"date":"2025-11-10T03:32:47","date_gmt":"2025-11-10T03:32:47","guid":{"rendered":"https:\/\/www.besterpcba.com\/?p=9991"},"modified":"2025-11-10T03:32:47","modified_gmt":"2025-11-10T03:32:47","slug":"press-fit-deception","status":"publish","type":"post","link":"https:\/\/www.besterpcba.com\/zh_hk\/%e5%a3%93%e9%85%8d%e9%a8%99%e5%b1%80\/","title":{"rendered":"\u58d3\u914d\u932f\u89ba\uff1a\u70ba\u4f55\u4f60\u7684\u80cc\u677f\u5931\u6548\u4ee5\u53ca\u5982\u4f55\u4fee\u5fa9"},"content":{"rendered":"<p>\u9ad8\u5bc6\u5ea6\u80cc\u677f\u662f\u8907\u96dc\u8a2d\u5099\u7684\u795e\u7d93\u7cfb\u7d71\u3002\u7576\u5b83\u5728\u73fe\u5834\u5931\u6548\u6642\uff0c\u5f8c\u679c\u53ef\u80fd\u662f\u707d\u96e3\u6027\u7684\uff0c\u5c0e\u81f4\u6602\u8cb4\u7684\u505c\u6a5f\u6642\u9593\u3001\u7dad\u4fee\u4ee5\u53ca\u5ba2\u6236\u4fe1\u4efb\u7684\u55aa\u5931\u3002\u6211\u5011\u770b\u5230\u4e00\u500b\u6301\u7e8c\u7684\u4ee4\u4eba\u64d4\u6182\u7684\u8da8\u52e2\uff0c\u9019\u4e9b\u6545\u969c\u6e90\u81ea\u672c\u61c9\u9ad8\u5ea6\u53ef\u9760\u7684\u5143\u4ef6\uff1a\u58d3\u63a5\u9023\u63a5\u5668\u3002\u4f46\u5be6\u969b\u554f\u984c\u5f88\u5c11\u5728\u9023\u63a5\u5668\u672c\u8eab\u3002\u6839\u672c\u554f\u984c\u6e90\u65bc\u5c0d\u6574\u500b\u58d3\u63a5\u7cfb\u7d71\u7684\u57fa\u672c\u8aa4\u89e3\uff0c\u88ab\u8868\u9762\u4e0a\u7684\u63a5\u53d7\u63a9\u84cb\u4e86\u771f\u5be6\u60c5\u6cc1\u3002<\/p>\n\n\n\n<p>\u58d3\u63a5\u53ef\u9760\u6027\u4e0d\u662f\u4e00\u9580\u85dd\u8853\uff1b\u5b83\u662f\u4e00\u9580\u95dc\u65bc\u529b\u548c\u6469\u64e6\u7684\u56b4\u9177\u79d1\u5b78\u3002\u6210\u529f\u7684\u9023\u63a5\u662f\u7531\u4e00\u500b\u56b4\u683c\u63a7\u5236\u7684\u7cfb\u7d71\u7522\u751f\uff0c\u8a72\u7cfb\u7d71\u4e2d\u6574\u500b\u96fb\u8def\u677f\u4e2d\u7684\u901a\u5b54\u548c\u7b26\u5408\u8981\u6c42\u7684\u91dd\u8173\u88ab\u8996\u70ba\u4e00\u500b\u55ae\u4e00\u7684\u3001\u7cbe\u5bc6\u5de5\u7a0b\u7684\u7d44\u4ef6\u3002\u592a\u591a\u8a2d\u8a08\u5c07\u6b64\u7559\u7d66\u5076\u7136\uff0c\u5c0e\u81f4\u901a\u904e\u76ee\u8996\u6aa2\u67e5\u4f46\u5be6\u969b\u4e0a\u662f\u5b9a\u6642\u70b8\u5f48\u7684\u9023\u63a5\u3002\u5728Bester 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class=\"wp-block-heading\" id=\"the-physics-of-a-permanent-gastight-joint\">\u6c38\u4e45\u6027\u6c23\u5bc6\u63a5\u982d\u7684\u7269\u7406\u5b78<\/h2>\n\n\n<p>\u8981\u7406\u89e3\u70ba\u4f55\u6377\u5f91\u6703\u5931\u6557\uff0c\u4f60\u5fc5\u9808\u5c0a\u91cd\u5408\u9069\u7684\u58d3\u63a5\u9023\u63a5\u7684\u512a\u96c5\u3002\u58d3\u63a5\u91dd\u8173\u7684\u201c\u7b26\u5408\u201d\u90e8\u5206\u662f\u4e00\u500b\u7cbe\u5bc6\u7684\u5f48\u7c27\u3002\u7576\u5b83\u88ab\u58d3\u5165\u4e00\u500b\u5c3a\u5bf8\u6b63\u78ba\u7684\u934d\u5c64\u901a\u5b54\uff08PTH\uff09\u6642\uff0c\u8a72\u90e8\u5206\u6703\u5f48\u6027\u8b8a\u5f62\uff0c\u7522\u751f\u5f37\u5927\u4e14\u9023\u7e8c\u7684\u5f91\u5411\u529b\uff0c\u4f5c\u7528\u65bc\u901a\u5b54\u7684\u74f6\u8eab\u3002<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter\"><img decoding=\"async\" src=\"https:\/\/www.besterpcba.com\/wp-content\/uploads\/2025\/11\/press_fit_connection_physics_diagram.jpg\" alt=\"\u4e00\u500b3D\u622a\u9762\u5716\uff0c\u986f\u793a\u7b26\u5408\u6027\u92b7\u91dd\u5728\u901a\u5b54\u5167\u8b8a\u5f62\u4ee5\u5275\u5efa\u6c23\u5bc6\u5bc6\u5c01\u7684\u65b9\u5f0f\u3002\" title=\"\u6b63\u78ba\u58d3\u63a5\u9023\u63a5\u793a\u610f\u5716\"\/><figcaption class=\"wp-element-caption\">\u4e00\u500b\u5408\u9069\u7684\u58d3\u63a5\u9023\u63a5\u4f9d\u8cf4\u65bc\u8b8a\u5f62\u7684\u7b26\u5408\u91dd\u8173\u63d0\u4f9b\u7684\u9023\u7e8c\u5f91\u5411\u529b\uff0c\u7522\u751f\u591a\u500b\u6c23\u5bc6\u5bc6\u5c01\uff0c\u963b\u6b62\u6c27\u6c23\u548c\u5176\u4ed6\u8150\u8755\u6027\u7269\u8cea\u9032\u5165\u754c\u9762\u3002<\/figcaption><\/figure><\/div>\n\n\n<p>\u9019\u7a2e\u6046\u5b9a\u7684\u529b\u91cf\u5f62\u6210\u4e86\u6c23\u5bc6\u63a5\u982d\u3002\u5728\u591a\u500b\u63a5\u89f8\u9ede\uff0c\u91dd\u8173\u8207\u9285\u934d\u5c64\u7684\u63a5\u89f8\u58d3\u529b\u5982\u6b64\u4e4b\u9ad8\uff0c\u4ee5\u81f3\u65bc\u963b\u6b62\u6c27\u6c23\u548c\u5176\u4ed6\u8150\u8755\u5291\u7a7f\u900f\u754c\u9762\u3002\u9019\u500b\u51b7\u710a\u9023\u63a5\u78ba\u4fdd\u4e86\u7522\u54c1\u58fd\u547d\u671f\u5167\u7684\u7a69\u5b9a\u3001\u4f4e\u96fb\u963b\u7684\u96fb\u6c23\u901a\u8def\u3002\u6574\u500b\u7cfb\u7d71\u4f9d\u8cf4\u5169\u500b\u95dc\u9375\u529b\uff1a\u63d2\u5165\u91dd\u8173\u6240\u9700\u7684\u63d2\u5165\u529b\u548c\u4fdd\u6301\u91dd\u8173\u5230\u4f4d\u7684\u4fdd\u6301\u529b\u3002\u5169\u8005\u90fd\u662f\u91dd\u8173\u8207\u5b54\u4e4b\u9593\u5e72\u6d89\u914d\u5408\u7684\u76f4\u63a5\u7d50\u679c\u3002\u5982\u679c\u9019\u500b\u5e72\u6d89\u914d\u5408\u4e0d\u6b63\u78ba\uff0c\u6574\u500b\u7cfb\u7d71\u5c31\u6703\u5d29\u6f70\uff0c\u800c\u4e14\u6545\u969c\u9ede\u5e7e\u4e4e\u7e3d\u662f\u76f8\u540c\uff1a\u901a\u5b54\u3002<\/p>\n\n\n<h2 class=\"wp-block-heading\" id=\"the-unforgiving-heart-of-the-system-the-platedthrough-hole\">\u7cfb\u7d71\u7684\u7121\u60c5\u5fc3\u81df\uff1a\u9676\u91d1-\u901a\u5b54<\/h2>\n\n\n<p>\u58d3\u63a5\u7cfb\u7d71\u4e2d\u7684\u6bcf\u500b\u8b8a\u6578\u90fd\u96c6\u4e2d\u65bc\u901a\u5b54\u3002\u9023\u63a5\u5668\u91dd\u8173\u662f\u4e00\u500b\u5df2\u77e5\u7684\u5e38\u6578\uff0c\u88fd\u9020\u6642\u56b4\u683c\u63a7\u5236\u516c\u5dee\u3002\u800c\u901a\u5b54\u5247\u662f\u591a\u500b\u9ad8\u8b8a\u7570\u6027\u88fd\u9020\u904e\u7a0b\u7684\u7522\u7269\u2014\u2014\u5c24\u5176\u662f\u5728\u5177\u6709\u6df7\u5408\u9285\u539a\u5ea6\u7684\u539a\u80cc\u677f\u4e0a\u3002<\/p>\n\n\n<h3 class=\"wp-block-heading\" id=\"why-finished-hole-size-is-a-dangerous-abstraction\">\u70ba\u4f55\u201c\u5b8c\u6210\u5b54\u5c3a\u5bf8\u201d\u662f\u4e00\u500b\u5371\u96aa\u7684\u62bd\u8c61<\/h3>\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter\"><img decoding=\"async\" src=\"https:\/\/www.besterpcba.com\/wp-content\/uploads\/2025\/11\/pcb_plated_through_hole_defect.jpg\" alt=\"\u96fb\u8def\u677f\u622a\u9762\u986f\u5fae\u7167\u7247\uff0c\u986f\u793a\u7531\u65bc\u9285\u934d\u4e0d\u5747\u52fb\u5f62\u6210\u7684\u6c99\u6f0f\u5f62\u5b54\u6d1e\u3002\" title=\"\u4e0d\u5747\u52fb\u7684\u96fb\u934d\u9020\u6210\u4e86\u6709\u7f3a\u9677\u7684\u9023\u63a5\"\/><figcaption class=\"wp-element-caption\">\u5728\u96fb\u934d\u904e\u7a0b\u4e2d\u9285\u6c89\u7a4d\u4e0d\u5747\u53ef\u80fd\u5c0e\u81f4\u6c99\u6f0f\u5f62\u72c0\u7684\u5b54\u6d1e\uff0c\u5f71\u97ff\u63d2\u63a5\u91dd\u7684\u89f8\u9ede\u9762\u7a4d\u548c\u4fdd\u6301\u529b\u3002<\/figcaption><\/figure><\/div>\n\n\n<p>\u8a2d\u8a08\u5e2b\u5e38\u5e38\u6307\u5b9a\u5e36\u5bb9\u5dee\u7684\u201c\u6210\u54c1\u5b54\u5f91\u201d\u4e26\u8a8d\u70ba\u5de5\u4f5c\u5df2\u5b8c\u6210\u3002\u9019\u662f\u4e00\u500b\u95dc\u9375\u7684\u932f\u8aa4\u3002\u9019\u662f\u6700\u7d42\u5c3a\u5bf8\u7684 <em>\u7d50\u679c<\/em> 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