{"id":9866,"date":"2025-11-04T08:48:48","date_gmt":"2025-11-04T08:48:48","guid":{"rendered":"https:\/\/www.besterpcba.com\/?p=9866"},"modified":"2025-11-04T08:52:01","modified_gmt":"2025-11-04T08:52:01","slug":"selective-soldering-hole-design-rules","status":"publish","type":"post","link":"https:\/\/www.besterpcba.com\/zh_hk\/%e9%81%b8%e6%93%87%e6%80%a7%e9%8b%81%e7%84%8a%e5%ad%94%e8%a8%ad%e8%a8%88%e8%a6%8f%e5%89%87\/","title":{"rendered":"\u7121 Bridges 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class=\"wp-block-image\">\n<figure class=\"aligncenter\"><img decoding=\"async\" src=\"https:\/\/www.besterpcba.com\/wp-content\/uploads\/2025\/11\/solder_bridges_on_connector.jpg\" alt=\"\u4e00\u5f35\u7279\u5beb\u7167\u7247\uff0c\u986f\u793a\u4e00\u584a\u96fb\u8def\u677f\u4e0a\u591a\u500b\u610f\u5916\u7684\u710a\u6a4b\uff0c\u9023\u63a5\u4e86\u7a7f\u5b54\u9023\u63a5\u5668\u7684\u5f15\u8173\u3002\" title=\"\u9ad8\u5f15\u8173\u6578\u9023\u63a5\u5668\u4e0a\u7684\u710a\u6a4b\"\/><figcaption class=\"wp-element-caption\">\u50cf\u9019\u6a23\u7684\u710a\u6a4b\u5e38\u5e38\u662f\u7531\u65bc\u5b54\u8a2d\u8a08\u4e0d\u7576\uff0c\u800c\u4e0d\u50c5\u50c5\u662f\u5de5\u85dd\u932f\u8aa4\u3002<\/figcaption><\/figure><\/div>\n\n\n<p>\u6211\u5011\u7d93\u5e38\u770b\u5230\u9019\u7a2e\u60c5\u6cc1\u3002\u4e00\u584a\u5e36\u6709\u9ad8\u5f15\u8173\u6578\u7684\u9023\u63a5\u5668\u677f\u9032\u884c\u9078\u64c7\u6027\u710a\u63a5\u6642\uff0c\u5373\u4f7f\u5de5\u85dd\u5de5\u7a0b\u5f97\u7576\uff0c\u6a4b\u63a5\u4ecd\u5728\u6bcf\u4e00\u6b21\u904b\u884c\u4e2d\u5f62\u6210\u3002\u6839\u672c\u539f\u56e0\u4e0d\u5728\u6a5f\u5668\u6216\u64cd\u4f5c\u54e1\uff0c\u800c\u662f\u5b8c\u5de5\u5b54\u7684\u5c3a\u5bf8\u662f0.08mm\u800c\u975e0.20mm\u7684\u9918\u91cf\uff0c\u4e00\u500b\u76f4\u6307\u76f8\u9130\u710a\u76e4\u7684\u71b1\u7de9\u89e3\uff0c\u6216\u8005\u8feb\u4f7f\u5674\u5634\u5165\u89d2\u4e0d\u4f73\u7684\u7981\u5165\u898f\u5247\u3002\u9019\u4e9b\u90fd\u662f\u8a2d\u8a08\u6c7a\u7b56\uff0c\u6c7a\u5b9a\u4e86\u677f\u5b50\u662f\u9806\u5229\u901a\u904e\u751f\u7522\u9084\u662f\u9677\u5165\u8fd4\u5de5\u3002<\/p>\n\n\n\n<p>\u672c\u6587\u5c07\u89e3\u91cb\u539f\u56e0\u3002\u6211\u5011\u5c07\u63a2\u8a0e\u6a4b\u63a5\u5f62\u6210\u7684\u7269\u7406\u539f\u7406\u4e26\u63a8\u5c0e\u51fa\u9632\u6b62\u5b83\u5011\u7684\u5b54\u5e7e\u4f55\u898f\u5247\uff0c\u91cd\u9ede\u5728\u65bc\u771f\u6b63\u91cd\u8981\u7684\u8a2d\u8a08\u9078\u64c7\uff1a\u5f15\u7dda\u8207\u5b54\u7684\u9593\u9699\u3001\u71b1\u7de9\u89e3\u7684\u53d6\u5411\u3001\u5674\u5634\u901a\u9053\uff0c\u4ee5\u53ca\u9ad8\u71b1\u8cea\u91cf\u5143\u4ef6\u7684\u7b56\u7565\u3002\u9019\u4e9b\u4e26\u975e\u4efb\u610f\u7684\u6307\u5c0e\u65b9\u91dd\uff1b\u800c\u662f\u710a\u932b\u5728\u71d2\u6876\u4e2d\u884c\u70ba\u7684\u6a5f\u68b0\u548c\u71b1\u7269\u7406\u5be6\u73fe\u3002<\/p>\n\n\n<h2 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id=\"the-role-of-capillary-action\">\u6bdb\u7d30\u4f5c\u7528\u7684\u89d2\u8272<\/h3>\n\n\n<p>\u7576\u5674\u5634\u5411\u901a\u5b54\u65bd\u52a0\u7194\u5316\u7684\u710a\u932b\u6642\uff0c\u710a\u932b\u4e0d\u50c5\u5728\u8868\u9762\u805a\u96c6\u3002\u5b83\u9084\u901a\u904e\u6bdb\u7d30\u4f5c\u7528\u6cbf\u901a\u5b54\u5347\u8d77\uff0c\u53d7\u5230\u8868\u9762\u5f35\u529b\u8207\u710a\u932b\u8207\u9285\u901a\u58c1\u4e4b\u9593\u7684\u6fd5\u6f64\u529b\u7684\u62c9\u5f15\uff0c\u9006\u91cd\u529b\u5411\u4e0a\u5347\u3002<\/p>\n\n\n\n<p>\u9019\u7a2e\u6bdb\u7d30\u4e0a\u5347\u7684\u9ad8\u5ea6\u53d6\u6c7a\u65bc\u5143\u4ef6\u5f15\u8173\u8207\u901a\u5b54\u58c1\u4e4b\u9593\u7684\u74b0\u5f62\u9593\u9699\u3002\u72f9\u7a84\u7684\u9593\u9699\u6703\u7522\u751f\u8f03\u5f37\u7684\u6bdb\u7d30\u529b\uff0c\u8fc5\u901f\u5c07\u710a\u932b\u62c9\u9ad8\uff1b\u8f03\u5bec\u7684\u9593\u9699\u5247\u7522\u751f\u8f03\u5f31\u7684\u529b\uff0c\u710a\u932b\u53ef\u80fd\u505c\u6eef\uff0c\u7559\u4e0b\u7a7a\u6d1e\u3002\u554f\u984c\u5728\u65bc\u901a\u5b54\u4e26\u975e\u7a7a\u7ba1\uff0c\u5176\u4e2d\u542b\u6709\u5f15\u8173\u3002\u5982\u679c\u9593\u9699\u904e\u5c0f\uff0c\u901a\u5b54\u5167\u7684\u710a\u932b\u5c31\u6703\u8d85\u904e\u710a\u9ede\u6240\u9700\u7684\u91cf\uff0c\u904e\u591a\u7684\u710a\u932b\u7121\u8655\u53ef\u53bb\uff0c\u53ea\u80fd\u6ea2\u51fa\u4f86\uff0c\u64f4\u6563\u5728\u9802\u5074\u710a\u76e4\u4e0a\u3002<\/p>\n\n\n\n<p>\u9019\u7a2e\u6ea2\u51fa\u5728\u710a\u76e4\u908a\u7de3\u5f62\u6210\u4e00\u500b\u5634\u9b1a\u72c0\u3002\u82e5\u5169\u500b\u76f8\u9130\u7684\u710a\u76e4\u90fd\u5b58\u5728\u591a\u9918\u7684\u710a\u932b\uff0c\u5b83\u5011\u7684\u5634\u9b1a\u5c31\u6703\u63a5\u89f8\u3002\u5728\u90a3\u77ac\u9593\uff0c\u8868\u9762\u5f35\u529b\u6703\u5c07\u9019\u5169\u500b\u710a\u932b\u6c60\u62c9\u6210\u4e00\u9ad4\uff0c\u5f62\u6210\u6a4b\u63a5\u3002<\/p>\n\n\n<h3 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id=\"when-adjacent-barrels-become-one\">\u7576\u76f8\u9130\u7684\u6876\u5408\u70ba\u4e00\u9ad4\u6642<\/h3>\n\n\n<p>\u95dc\u9375\u8b8a\u6578\u662f\u5f15\u8173\u7684\u8ddd\u96e2\u2014\u2014\u5f15\u8173\u4e4b\u9593\u7684\u4e2d\u5fc3\u5230\u4e2d\u5fc3\u8ddd\u96e2\u3002\u5728\u6a19\u6e96\u76842.54mm\u9593\u8ddd\u4e26\u5177\u6709\u9069\u7576\u5b54\u5f91\u7684\u60c5\u6cc1\u4e0b\uff0c\u710a\u76e4\u4e4b\u9593\u6709\u8db3\u5920\u7684\u7a7a\u9593\u4f86\u4fdd\u6301\u6db2\u9762\u5206\u96e2\u3002\u57281.27mm\u9593\u8ddd\u4e14\u5b54\u9699\u4e0d\u7576\u7684\u60c5\u6cc1\u4e0b\uff0c\u9019\u500b\u8aa4\u5dee\u7bc4\u570d\u5c07\u6d88\u5931\u3002<\/p>\n\n\n\n<p>\u9019\u7a2e\u76f8\u4e92\u4f5c\u7528\u65e2\u662f\u5e7e\u4f55\u7684\uff0c\u4e5f\u662f\u71b1\u529b\u5b78\u7684\u3002\u5171\u4eab\u5e73\u9762\u4e0a\u7684\u5169\u500b\u76f8\u9130\u710a\u76e4\u5f62\u6210\u4e00\u500b\u9023\u7e8c\u7684\u9285\u5c0e\u71b1\u8def\u5f91\u3002\u5982\u679c\u5674\u5634\u505c\u7559\u5728\u5176\u4e2d\u4e00\u500b\u710a\u76e4\u4e0a\uff0c\u4e26\u7acb\u5373\u79fb\u52d5\u5230\u4e0b\u4e00\u500b\u710a\u76e4\uff0c\u7b2c\u4e00\u500b\u710a\u76e4\u4ecd\u5728\u7194\u878d\u72c0\u614b\u3002\u7b2c\u4e8c\u500b\u710a\u76e4\u7684\u710a\u932b\u53ef\u4ee5\u901a\u904e\u9285\u8def\u5411\u7b2c\u4e00\u500b\u710a\u76e4\u6ef2\u900f\uff0c\u5c24\u5176\u662f\u5728\u7f3a\u5c11\u71b1\u7de9\u89e3\u6216\u7dca\u5411\u4e0d\u826f\u7684\u60c5\u6cc1\u4e0b\u3002<\/p>\n\n\n\n<p>\u6a4b\u6a11\u4e4b\u6240\u4ee5\u5f62\u6210\uff0c\u662f\u56e0\u70ba\u908a\u754c\u689d\u4ef6\u5141\u8a31\u5b83\u5011\u3002\u710a\u6599\u53ea\u662f\u9075\u5faa\u7269\u7406\u6cd5\u5247\uff0c\u901a\u904e\u5f62\u6210\u6700\u5c0f\u7684\u8868\u9762\u7a4d\u4f86\u964d\u4f4e\u8868\u9762\u80fd\u3002\u5c0d\u65bc\u5169\u500b\u9760\u5f97\u5f88\u8fd1\u3001\u904e\u5ea6\u586b\u5145\u7684\u710a\u76e4\uff0c\u9019\u610f\u5473\u8457\u5171\u4eab\u4e00\u500b\u8cea\u91cf\u3002\u89e3\u6c7a\u65b9\u6848\u4e0d\u662f\u7528\u5de5\u85dd\u6280\u5de7\u4f86\u6297\u62d2\u9019\u4e00\u884c\u70ba\uff0c\u800c\u662f\u8a2d\u8a08\u908a\u754c\u689d\u4ef6\uff0c\u5f9e\u6839\u672c\u4e0a\u9632\u6b62\u5b83\u7684\u767c\u751f\u3002<\/p>\n\n\n<h2 class=\"wp-block-heading\" id=\"leadtohole-clearance-that-prevents-bridges\">\u9632\u6b62\u6a4b\u63a5\u7684\u5f15\u7dda\u5b54\u6e05\u9664<\/h2>\n\n\n<p>\u9078\u64c7\u6027\u710a\u63a5\u4e2d\u6700\u95dc\u9375\u7684\u8a2d\u8a08\u53c3\u6578\u662f\u5143\u4ef6\u5f15\u8173\u8207\u6210\u54c1\u5b54\u4e4b\u9593\u7684\u76f4\u5f91\u9593\u9699\u3002\u9019\u500b\u9593\u9699\u6c7a\u5b9a\u4e86\u9032\u5165\u710a\u7ba1\u7684\u710a\u6599\u9ad4\u7a4d\u3001\u6bdb\u7d30\u4f5c\u7528\u7684\u5f37\u5ea6\uff0c\u4ee5\u53ca\u591a\u9918\u710a\u6599\u662f\u5426\u6ea2\u51fa\u5230\u9802\u90e8\u8868\u9762\u3002\u5982\u679c\u5f04\u932f\u4e86\uff0c\u5e7e\u4e4e\u4e00\u5b9a\u6703\u5f62\u6210\u6a4b\u63a5\u3002<\/p>\n\n\n<h3 class=\"wp-block-heading\" id=\"the-ideal-clearance-015mm-to-025mm\">\u7406\u60f3\u9593\u9699\uff1a0.15mm \u81f3 0.25mm<\/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\/lead_to_hole_clearance_diagram.jpg\" alt=\"\u4e00\u5f35\u986f\u793aPCB\u901a\u5b54\u8de8\u6bb5\u7684\u5256\u9762\u5716\uff0c\u5716\u4e2d\u6709\u4e00\u500b\u5143\u4ef6\u5f15\u8173\u3002\u7bad\u982d\u6307\u793a\u7406\u60f3\u7684\u76f4\u5f91\u9593\u9699\u70ba0.15mm\u81f30.25mm\u3002\" title=\"\u9078\u64c7\u6027\u710a\u63a5\u7684\u7406\u60f3\u5f15\u7dda\u8207\u5b54\u9593\u9593\u9699\u793a\u610f\u5716\"\/><figcaption class=\"wp-element-caption\">\u70ba\u78ba\u4fdd\u6bdb\u7d30\u4f5c\u7528\u6b63\u5e38\u4e14\u4e0d\u6ea2\u51fa\uff0c\u9078\u64c7\u6027\u710a\u63a5\u7684\u7406\u60f3\u76f4\u5f91\u9593\u9699\u70ba0.15mm\u81f30.25mm\u4e4b\u9593\u3002<\/figcaption><\/figure><\/div>\n\n\n<p>\u5c0d\u65bc\u9078\u64c7\u6027\u710a\u63a5\uff0c\u76f4\u5f91\u9593\u9699\u7684\u529f\u80fd\u7bc4\u570d\u662f\u4e00\u500b\u72f9\u7a84\u7684\u7a97\u53e3\uff1a0.15mm \u5230 0.25mm\u3002\u9019\u6bd4\u6ce2\u5cf0\u710a\u7684\u5178\u578b\u7bc4\u570d\u5bec\u5f97\u591a\uff0c\u6ce2\u5cf0\u710a\u53ef\u4ee5\u5bb9\u5fcd0.40mm\u6216\u66f4\u5927\u3002\u5dee\u7570\u5728\u65bc\u61c9\u7528\u65b9\u5f0f\u3002\u6ce2\u5cf0\u710a\u5f9e\u4e0b\u9762\u7528\u9ad8\u52d5\u80fd\u6df9\u6c92\u710a\u7ba1\uff0c\u800c\u9078\u64c7\u6027\u5674\u5634\u5247\u5c40\u90e8\u65bd\u710a\uff0c\u529b\u5ea6\u9060\u5c0f\u3002\u710a\u7ba1\u672c\u8eab\u5fc5\u9808\u505a\u66f4\u591a\u5de5\u4f5c\u4f86\u5c07\u710a\u6599\u5411\u4e0a\u5438\u5f15\u3002<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u4f4e\u65bc0.15mm\uff1a<\/strong> \u710a\u7ba1\u904e\u7dca\u3002\u72f9\u7a84\u7684\u74b0\u5f62\u9593\u9699\u7522\u751f\u5f37\u5927\u7684\u6bdb\u7d30\u529b\uff0c\u5c07\u904e\u591a\u7684\u710a\u6599\u62c9\u5165\u710a\u9ede\u3002\u710a\u7ba1\u904e\u5ea6\u586b\u5145\uff0c\u710a\u6599\u50b3\u64ad\u5230\u9802\u90e8\u710a\u76e4\uff0c\u6a4b\u63a5\u7684\u53ef\u80fd\u6027\u589e\u52a0\u3002<\/li>\n\n\n\n<li><strong>\u9ad8\u65bc0.25mm\uff1a<\/strong> \u710a\u7ba1\u904e\u9b06\u3002\u6bdb\u7d30\u529b\u8b8a\u5f31\uff0c\u710a\u6599\u53ef\u80fd\u7121\u6cd5\u5b8c\u5168\u5347\u81f3\u9802\u7aef\uff0c\u7559\u4e0b\u4e00\u500b\u7a7a\u9699\u6216\u51b7\u710a\u3002\u9019\u5728\u9ad8\u53ef\u9760\u6027\u61c9\u7528\u4e2d\u662f\u4e0d\u80fd\u63a5\u53d7\u7684\u3002<\/li>\n<\/ul>\n\n\n\n<p>0.15mm \u5230 0.25mm \u7684\u7bc4\u570d\u662f\u6700\u4f73\u9ede\uff0c\u6bdb\u7d30\u4f5c\u7528\u65e2\u80fd\u53ef\u9760\u586b\u5145\u710a\u7ba1\uff0c\u53c8\u4e0d\u6703\u904e\u5ea6\u586b\u5145\u3002\u710a\u6599\u6fd5\u6f64\u710a\u76e4\u548c\u5f15\u8173\uff0c\u5f62\u6210\u53d7\u63a7\u7684\u710a\u9ede\u89d2\u5ea6\uff0c\u800c\u4e0d\u6703\u8d85\u51fa\u710a\u76e4\u908a\u754c\u3002<\/p>\n\n\n<h3 class=\"wp-block-heading\" id=\"calculating-finished-hole-size\">\u8a08\u7b97\u6210\u54c1\u5b54\u5f91<\/h3>\n\n\n<p>\u6210\u54c1\u5b54\u5f91\u662f\u76f4\u5f91 <em>\u5728<\/em> \u96fb\u934d\u5c64\u7684\u76f4\u5f91\uff0c\u800c\u975e\u947d\u5b54\u5c3a\u5bf8\u3002\u8a08\u7b97\u6642\uff0c\u5f9e\u5143\u4ef6\u8cc7\u6599\u8868\u4e2d\u53d6\u6700\u5927\u5f15\u8173\u76f4\u5f91\uff0c\u4e26\u52a0\u5165\u671f\u671b\u9593\u9699\uff08\u901a\u5e38\u4ee50.20mm\u4f5c\u70ba\u540d\u7fa9\u503c\uff09\u3002\u9019\u5c31\u662f\u4f60\u7684\u6210\u54c1\u5b54\u5f91\u3002<\/p>\n\n\n\n<p>\u8981\u627e\u5230\u947d\u5b54\u5c3a\u5bf8\uff0c\u9808\u6e1b\u53bb\u5169\u500d\u7684\u96fb\u934d\u5c64\u539a\u5ea6\u3002\u5c0d\u65bc\u5177\u670925\u5fae\u7c73\uff080.025mm\uff09\u9285\u934d\u5c64\u7684\u6a19\u6e96\u96fb\u8def\u677f\uff0c\u6e1b\u53bb0.05mm\u3002\u4f8b\u5982\uff0c\u4e00\u500b0.64mm\u7684\u65b9\u5f62\u5f15\u8173\u5c0d\u89d2\u7dda\u7d04\u70ba0.90mm\u3002\u82e5\u9593\u9699\u70ba0.20mm\uff0c\u5b83\u9700\u8981\u4e00\u500b1.10mm\u7684\u6210\u54c1\u5b54\uff0c\u9019\u9700\u8981\u75281.05mm\u7684\u947d\u982d\u3002<\/p>\n\n\n\n<p>\u9019\u7a2e\u7cbe\u5ea6\u9700\u8981\u8207\u88fd\u9020\u5546\u5354\u8abf\uff0c\u78ba\u4fdd\u934d\u5c64\u539a\u5ea6\u53d7\u5230\u63a7\u5236\u4e14\u6210\u54c1\u5b54\u5c3a\u5bf8\u5f97\u5230\u9a57\u8b49\u3002\u540c\u6642\uff0c\u60a8\u9084\u9700\u6e96\u78ba\u77e5\u9053\u5143\u4ef6\u5f15\u8173\u76f4\u5f91\u3002\u96d6\u7136\u5982IPC-7251\u9019\u6a23\u7684\u4e00\u822c\u6307\u5357\u5b58\u5728\uff0c\u4f46\u5b83\u662f\u70ba\u6ce2\u5cf0\u710a\u800c\u5beb\uff0c\u91cd\u9ede\u5728\u65bc\u63d2\u5165\u7684\u4fbf\u5229\u6027\u3002\u5c0d\u65bc\u9078\u64c7\u6027\u710a\u63a5\uff0c\u710a\u6599\u7528\u91cf\u7684\u63a7\u5236\u81f3\u95dc\u91cd\u8981\u3002\u516c\u5dee\u5fc5\u9808\u66f4\u7dca\uff0c\u4e14\u5fc5\u9808\u5805\u6301\u3002<\/p>\n\n\n<h2 class=\"wp-block-heading\" id=\"thermal-reliefs-and-solder-flow-control\">\u71b1\u7de9\u89e3\u8207\u710a\u932b\u6d41\u52d5\u63a7\u5236<\/h2>\n\n\n<p>\u71b1\u7de9\u89e3\u56e0\u964d\u4f4e\u5e73\u9762\u7684\u71b1\u9677\u6548\u61c9\u800c\u805e\u540d\uff0c\u4f46\u5b83\u5011\u5728\u9078\u64c7\u6027\u710a\u63a5\u4e2d\u7684\u4f5c\u7528\u66f4\u70ba\u8907\u96dc\u3002\u5b83\u5011\u9084\u63a7\u5236\u710a\u6599\u6d41\u52d5\u7684\u65b9\u5411\u548c\u5c0d\u7a31\u6027\u3002\u71b1\u7de9\u89e3\u7684\u8f90\u6761\u662f\u71b1\u548c\u7194\u878d\u710a\u6599\u7684\u512a\u5148\u8def\u5f91\u3002\u5b83\u5011\u7684\u8a2d\u8a08\u6c7a\u5b9a\u710a\u6599\u662f\u5426\u5747\u52fb\u6d41\u52d5\u6216\u96c6\u4e2d\u5728\u7522\u751f\u6a4b\u63a5\u7684\u65b9\u5411\u4e0a\u3002<\/p>\n\n\n<h3 class=\"wp-block-heading\" id=\"spoke-count-and-width\">\u8f90\u6761\u6578\u91cf\u8207\u5bec\u5ea6<\/h3>\n\n\n<p>\u56db\u8f90\u689d\u7de9\u89e3\u6bd4\u5169\u8f90\u689d\u8a2d\u8a08\u66f4\u5747\u52fb\u5730\u5206\u6563\u71b1\u91cf\uff0c\u4f46\u5982\u679c\u8f90\u689d\u904e\u5bec\uff0c\u53ef\u80fd\u6703\u4f5c\u70ba\u710a\u6599\u5411\u5916\u6ef2\u900f\u7684\u901a\u9053\u30020.30mm\u6216\u66f4\u5c0f\u7684\u8f90\u689d\u5bec\u5ea6\u63d0\u4f9b\u826f\u597d\u7684\u71b1\u7d55\u7de3\u800c\u4e0d\u7522\u751f\u986f\u8457\u7684\u710a\u6599\u6d41\u52d5\u8def\u5f91\u3002\u7576\u5bec\u5ea6\u9054\u52300.50mm\u6216\u4ee5\u4e0a\u6642\uff0c\u8f90\u689d\u958b\u59cb\u50cf\u662f\u710a\u76e4\u7684\u5ef6\u4f38\u3002\u5c0d\u65bc\u9700\u8981\u5bec\u8f90\u689d\u7684\u9ad8\u96fb\u6d41\u61c9\u7528\uff0c\u5176\u65b9\u5411\u8b8a\u5f97\u81f3\u95dc\u91cd\u8981\u3002<\/p>\n\n\n\n<p>\u5728\u67d0\u4e9b\u9ad8\u529f\u7387\u8a2d\u8a08\u4e2d\uff0c\u71b1\u7de9\u89e3\u6839\u672c\u7121\u6cd5\u4f7f\u7528\u3002\u5c0d\u65bc\u9019\u4e9b\u76f4\u63a5\u5e73\u9762\u9023\u63a5\uff0c\u5b54\u5f91\u7a7a\u9699\u8b8a\u5f97\u66f4\u52a0\u95dc\u9375\uff0c\u4e14\u904e\u7a0b\u5fc5\u9808\u901a\u904e\u5ef6\u9577\u9810\u71b1\u4f86\u5f4c\u88dc\u3002\u6a4b\u63a5\u7684\u98a8\u96aa\u66f4\u9ad8\uff0c\u56e0\u70ba\u710a\u76e4\u8207\u9130\u8fd1\u710a\u76e4\u5728\u71b1\u4e0a\u76f8\u9023\uff0c\u5f62\u6210\u9023\u7e8c\u7684\u71b1\u5340\u3002<\/p>\n\n\n<h3 class=\"wp-block-heading\" id=\"orientation-to-minimize-bridge-paths\">\u6700\u5c0f\u5316\u6a4b\u8def\u5f91\u7684\u65b9\u5411<\/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\/thermal_relief_orientation.jpg\" alt=\"\u6bd4\u8f03\u71b1\u7de9\u89e3\u65b9\u5411\u7684\u5169\u500b\u793a\u610f\u5716\u3002\u4e0d\u6b63\u78ba\u7684\u793a\u610f\u5716\u986f\u793a\u8f3b\u689d\u6307\u5411\u76f8\u9130\u588a\u5b50\uff0c\u5f62\u6210\u6a4b\u8def\u3002\u6b63\u78ba\u7684\u793a\u610f\u5716\u5247\u5c07\u8f3b\u689d\u65cb\u8f49\u4ee5\u9632\u6b62\u9019\u7a2e\u60c5\u6cc1\u3002\" title=\"\u6b63\u78ba\u8207\u4e0d\u6b63\u78ba\u7684\u71b1\u7de9\u89e3\u65b9\u5411\"\/><figcaption class=\"wp-element-caption\">\u5c07\u71b1\u7de9\u89e3\u7684\u8f90\u6761\u6307\u5411\u9060\u96e2\u76f8\u9130\u710a\u76e4\uff0c\u6709\u52a9\u65bc\u6d88\u9664\u710a\u6599\u6d41\u52d5\u4e26\u5f62\u6210\u6a4b\u63a5\u7684\u76f4\u63a5\u8def\u5f91\u3002<\/figcaption><\/figure><\/div>\n\n\n<p>\u5982\u679c\u5169\u500b\u76f8\u9130\u710a\u76e4\u7684\u96d9\u8f90\u689d\u7de9\u89e3\u76f4\u63a5\u9762\u5411\u5f7c\u6b64\uff0c\u5247\u4f60\u5df2\u7d93\u5efa\u7acb\u4e86\u4e00\u689d\u71b1\u8207\u6d41\u9ad4\u7684\u9ad8\u901f\u516c\u8def\uff0c\u6a4b\u63a5\u5c31\u6703\u6cbf\u8457\u8f90\u6761\u6d41\u52d5\uff0c\u4e26\u5728\u710a\u76e4\u4e4b\u9593\u7684\u7a7a\u9593\u6703\u5408\u3002<\/p>\n\n\n\n<p>\u89e3\u6c7a\u65b9\u6848\u5f88\u7c21\u55ae\uff1a\u65cb\u8f49\u7de9\u89e3\u3002<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u5c0d\u65bc <strong>\u96d9\u8f90\u689d\u7de9\u89e3<\/strong>\uff0c\u4f7f\u8f90\u6761\u5782\u76f4\u65bc\u5f15\u8173\u884c\u6392\u5217\u3002<\/li>\n\n\n\n<li>\u5c0d\u65bc <strong>\u56db\u8f90\u689d\u7de9\u89e3<\/strong>\uff0c\u4f7f\u8f90\u6761\u8207\u5f15\u8173\u884c\u621045\u5ea6\u89d2\u3002<\/li>\n<\/ul>\n\n\n\n<p>\u9019\u6a23\u53ef\u78ba\u4fdd\u6c92\u6709\u8f90\u6761\u76f4\u63a5\u6307\u5411\u76f8\u9130\u7684\u710a\u76e4\uff0c\u5275\u9020\u66f4\u5c0d\u7a31\u7684\u71b1\u74b0\u5883\u3002\u57281.27mm\u8173\u8ddd\u7684\u9023\u63a5\u5668\u4e0a\uff0c\u5c07\u4e0d\u5c0d\u9f4a\u7684\u7de9\u89e3\u65cb\u8f4990\u5ea6\u5373\u53ef\u6d88\u9664\u6a4b\u63a5\uff0c\u800c\u7121\u9700\u6539\u8b8a\u5176\u4ed6\u53c3\u6578\u3002<\/p>\n\n\n<h2 class=\"wp-block-heading\" 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id=\"horizontal-clearance-for-the-nozzle\">\u5674\u5634\u7684\u6c34\u5e73\u901a\u9053<\/h3>\n\n\n<p>\u710a\u63a5\u5674\u5634\u7684\u7269\u7406\u76f4\u5f91\u901a\u5e38\u70ba4mm\u52308mm\u3002\u5b83\u9700\u8981\u5728\u76ee\u6a19\u710a\u76e4\u5468\u570d\u7559\u51fa\u5f91\u5411\u7a7a\u9593\uff0c\u4ee5\u907f\u514d\u8207\u76f8\u9130\u5143\u4ef6\u78b0\u649e\u3002\u7d93\u9a57\u6cd5\u5247\u662f\uff0c6mm\u7684\u5674\u5634\u9700\u8981\u5f9e\u710a\u76e4\u4e2d\u5fc3\u5230\u4efb\u4f55\u9644\u8fd1\u5143\u4ef6\u908a\u7de3\u7684\u4fdd\u6301\u8ddd\u96e2\u7d04\u70ba5mm\u3002<\/p>\n\n\n\n<p>\u9019\u6bd4\u8a31\u591a\u8a2d\u8a08\u5e2b\u9810\u671f\u7684\u4f48\u5c40\u9762\u7a4d\u66f4\u5927\uff0c\u5c24\u65bc\u5bc6\u96c6\u7684\u96fb\u8def\u677f\u4e0a\u3002\u96d6\u7136\u5927\u591a\u6578\u6a5f\u5668\u5141\u8a31\u5674\u5634\u4ee5\u89d2\u5ea6\u63a5\u8fd1\u4f86\u964d\u4f4e\u6b64\u8981\u6c42\uff0c\u4f46\u50be\u659c\u63a5\u8fd1\u6703\u9020\u6210\u975e\u5c0d\u7a31\u52a0\u71b1\uff0c\u53ef\u80fd\u9700\u8981\u8f03\u9577\u7684\u7dad\u6301\u6642\u9593\u3002\u59cb\u7d42\u504f\u597d\u76f4\u7acb\u9032\u884c\u7684\u7a7a\u9593\u8f03\u5145\u88d5\u3002\u4f4d\u65bc\u96fb\u8def\u677f\u908a\u7de3\u7684\u9023\u63a5\u5668\u5e38\u662f\u6311\u6230\uff0c\u56e0\u70ba\u5674\u5634\u4e0d\u80fd\u8d85\u51fa\u96fb\u8def\u677f\u908a\u754c\u3002\u9019\u4e00\u9650\u5236\u5728\u4f48\u5c40\u6642\u5fc5\u9808\u8a8d\u8b58\u5230\uff0c\u4e0d\u80fd\u5728\u5de5\u85dd\u958b\u767c\u6642\u624d\u767c\u73fe\u3002<\/p>\n\n\n<h3 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