{"id":9666,"date":"2025-02-11T08:49:46","date_gmt":"2025-02-11T00:49:46","guid":{"rendered":"https:\/\/uetpcb.com\/?p=9666"},"modified":"2025-02-11T08:49:46","modified_gmt":"2025-02-11T00:49:46","slug":"lead-soldering-and-lead-free-soldering-manufacturing-procedure-in-pcba","status":"publish","type":"post","link":"https:\/\/uetpcb.com\/zh-CN\/lead-soldering-and-lead-free-soldering-manufacturing-procedure-in-pcba\/","title":{"rendered":"PCBA\u4e2d\u7684\u542b\u94c5\u710a\u63a5\u548c\u65e0\u94c5\u710a\u63a5\u5236\u9020\u5de5\u827a"},"content":{"rendered":"

\u5370\u5237\u7535\u8def\u677f\u7ec4\u88c5\uff08PCBA\uff09\u901a\u5e38\u6d89\u53ca\u591a\u79cd\u5de5\u827a\u3002\u710a\u63a5\u662f\u5176\u4e2d\u6700\u4e3a\u5173\u952e\u7684\u6b65\u9aa4\u4e4b\u4e00\uff0c\u5b83\u80fd\u5728PCB\u5143\u4ef6\u4e4b\u95f4\u5efa\u7acb\u7262\u56fa\u7684\u7535\u6c14\u548c\u673a\u68b0\u8fde\u63a5\u3002\u7136\u800c\uff0c\u5728\u8fdb\u884cPCBA\u5236\u9020\u65f6\uff0c\u4e3b\u8981\u6709\u4e24\u79cd\u9009\u62e9\uff1a\u542b\u94c5\u710a\u6599\u548c\u65e0\u94c5\u710a\u6599\u3002<\/p>\n

\u542b\u94c5\u710a\u6599\u65e9\u5728\u591a\u5e74\u524d\u5c31\u88ab\u53d1\u660e\u51fa\u6765\u4e86\u3002\u7136\u800c\uff0c\u7531\u4e8e\u5176\u5728\u5de5\u4f5c\u573a\u6240\u5b58\u5728\u5065\u5eb7\u98ce\u9669\uff0c\u4eba\u4eec\u60f3\u51fa\u4e86\u5404\u79cd\u89e3\u51b3\u65b9\u6848\uff0c\u4f8b\u5982\u65e0\u94c5\u710a\u63a5\u3002\u5728\u5f53\u4eca\u4e16\u754c\uff0c\u8fd9\u4e24\u79cd\u710a\u63a5\u65b9\u6cd5\u90fd\u5728\u4f7f\u7528\uff0c\u4f46\u65e0\u94c5\u710a\u63a5\u66f4\u4e3a\u666e\u904d\u3002<\/p>\n

\u672c\u6587\u4ecb\u7ecd\u4e86PCBA\u4e2d\u542b\u94c5\u548c\u65e0\u94c5\u710a\u6599\u7684\u5236\u9020\u8fc7\u7a0b\u3002\u901a\u5e38\u4f1a\u7b80\u8981\u4ecb\u7ecd\u8fd9\u4e24\u79cd\u710a\u63a5\u65b9\u6cd5\u5728PCB\u5de5\u5382\u4e2d\u7684\u5e94\u7528\u3002\u6211\u4eec\u5e0c\u671b\u672c\u6587\u80fd\u5e2e\u52a9\u60a8\u4e3a\u60a8\u7684\u9879\u76ee\u9009\u62e9\u6b63\u786e\u7684\u710a\u63a5\u65b9\u6cd5\u3002<\/p>\n

PCBA\u4e2d\u542b\u94c5\u548c\u65e0\u94c5\u710a\u6599\u7684\u5236\u9020\u5de5\u827a<\/h2>\n

\u542b\u94c5\u710a\u6599\u548c\u65e0\u94c5\u710a\u6599\u5728\u5236\u9020\u4e0a\u5404\u6709\u5176\u72ec\u7279\u7684\u4f18\u7f3a\u70b9\u3002\u6839\u636e\u8fd9\u4e9b\u4f18\u7f3a\u70b9\uff0c\u5b83\u4eec\u5728\u4e0d\u540c\u7684\u7535\u5b50\u8bbe\u5907\u4e2d\u6709\u7740\u4e0d\u540c\u7684\u5e94\u7528\u3002\u56e0\u6b64\uff0c\u5728\u4e8c\u8005\u4e4b\u95f4\u505a\u51fa\u9009\u62e9\u65f6\uff0c\u5fc5\u987b\u6743\u8861\u201c\u542b\u94c5\u710a\u6599\u4e0e\u65e0\u94c5\u710a\u6599\u201d\u7684\u5229\u5f0a\uff0c\u5e76\u7ed3\u5408\u9879\u76ee\u9700\u6c42\u8fdb\u884c\u8bc4\u4f30\u3002 \u6700\u540e\uff0c\u8bf7\u5728\u9879\u76ee\u9700\u6c42\u4e0e\u8fd9\u4e24\u79cd\u710a\u63a5\u65b9\u6cd5\u7684\u4f18\u7f3a\u70b9\u4e4b\u95f4\u5bfb\u6c42\u5e73\u8861\u3002<\/p>\n

\u4ec0\u4e48\u662f\u542b\u94c5\u710a\u63a5\uff1f<\/h3>\n

\u542b\u94c5\u710a\u6599\u4e5f\u79f0\u4e3aSnPn\u710a\u6599\u3002\u5176\u4e2d\uff0cSn\u4ee3\u8868\u9521\uff0cPb\u4ee3\u8868\u94c5\u3002\u5728\u6210\u5206\u6784\u6210\u4e2d\uff0cSn\uff08\u9521\uff09\u4f5c\u4e3a\u6bcd\u6750\u3002\u4e0d\u8fc7\uff0cSn\u548cPb\u7684\u542b\u91cf\u53ef\u80fd\u4f1a\u6709\u6240\u4e0d\u540c\u3002 \u5728\u6b64\u60c5\u51b5\u4e0b\uff0c\u6700\u5e38\u89c1\u7684\u6210\u5206\u662fSn37Pb\u3002\u94c5\u710a\u6599\uff08Sn37Pb\uff09\u7684\u7194\u70b9\u4e3a183\u00b0C\u3002<\/p>\n

\"\u9ad8\u54c1\u8d28\u7684\u6ce2\u5cf0\u710aPCB\"<\/p>\n

\u542b\u94c5\u710a\u6599\u5236\u9020\u7684\u4f18\u52bf<\/h4>\n

(1) \u542b\u94c5\u710a\u6599\u5177\u6709\u5ef6\u5c55\u6027\uff0c\u4e14\u975e\u5e38\u6613\u4e8e\u52a0\u5de5\u3002<\/p>\n

(2) \u542b\u94c5\u710a\u6599\u5177\u6709\u6781\u9ad8\u7684\u5bfc\u7535\u6027\u3002<\/p>\n

(3) \u8fd9\u79cd\u710a\u63a5\u65b9\u6cd5\u5728\u9ad8\u6027\u80fd\u5e94\u7528\u4e2d\u975e\u5e38\u53ef\u9760\u3002<\/p>\n

(4) \u542b\u94c5\u710a\u6599\u7684\u7194\u70b9\u76f8\u5bf9\u8f83\u4f4e\u3002\u6b64\u5916\uff0c\u542b\u94c5\u710a\u6599\u7684\u51b7\u5374\u901f\u5ea6\u4e5f\u6bd4\u65e0\u94c5\u710a\u6599\u5feb\u3002\u56e0\u6b64\uff0c\u60a8\u7684PCB\u4e0a\u51fa\u73b0\u7684\u8fde\u63a5\u95ee\u9898\u53ef\u80fd\u4f1a\u66f4\u5c11\u3002<\/p>\n

\u542b\u94c5\u710a\u6599\u5236\u9020\u7684\u5c40\u9650\u6027<\/h4>\n

(1) \u542b\u94c5\u710a\u63a5\u65b9\u6cd5\u5bf9\u73af\u5883\u4e0d\u5229\u3002RoHS\u6cd5\u89c4\u5bf9\u6b64\u8fdb\u884c\u4e86\u9650\u5236\u3002<\/p>\n

(2) \u7531\u4e8e\u542b\u94c5\u710a\u6599\u5177\u6709\u5ef6\u5c55\u6027\uff0c\u56e0\u6b64\u5176\u8010\u4e45\u6027\u4e0d\u5982\u65e0\u94c5\u710a\u6599\u3002<\/p>\n

PCBA\u4e2d\u7684\u542b\u94c5\u710a\u63a5\u5236\u9020\u5de5\u827a<\/h4>\n

PCBA\u4e2d\u7684\u94c5\u710a\u6599\u5236\u9020\u6d41\u7a0b\u5f88\u7b80\u5355\u3002\u9996\u5148\uff0c\u5fc5\u987b\u51c6\u5907\u597d\u94c5\u710a\u818f\uff0c\u5e76\u5c06\u5176\u6d82\u62b9\u5728PCB\u710a\u76d8\u4e0a\u3002\u7136\u540e\uff0c\u5c06\u5143\u5668\u4ef6\u5c0f\u5fc3\u653e\u7f6e\u5728\u7535\u8def\u677f\u4e0a\u3002\u63a5\u7740\uff0c\u5bf9\u7535\u8def\u677f\u8fdb\u884c\u52a0\u70ed\u3002\u6b64\u65f6\uff0c\u53ef\u4ee5\u4f7f\u7528\u6ce2\u5cf0\u710a\u6216\u56de\u6d41\u710a\u5de5\u827a\u3002<\/p>\n

\u70ed\u91cf\u4f1a\u4f7f\u542b\u94c5\u710a\u818f\u7194\u5316\uff0c\u4ece\u800c\u5f62\u6210\u7262\u56fa\u7684\u8fde\u63a5\u3002\u51b7\u5374\u540e\uff0c\u710a\u6599\u51dd\u56fa\uff0c\u5f62\u6210\u826f\u597d\u7684\u5bfc\u7535\u8def\u5f84\u3002<\/p>\n

\u4ec0\u4e48\u662f\u65e0\u94c5\u710a\u63a5\uff1f<\/h3>\n

\u53e6\u4e00\u65b9\u9762\uff0c\u65e0\u94c5\u710a\u63a5\u5219\u4e0d\u4f7f\u7528\u94c5\u3002\u5b83\u901a\u5e38\u7531\u4ee5\u9521\uff08Sn\uff09\u4e3a\u57fa\u7840\u3001\u63ba\u5165\u5c11\u91cf\u5176\u4ed6\u91d1\u5c5e\u7684\u5408\u91d1\u5236\u6210\u3002\u5728\u6b64\u60c5\u51b5\u4e0b\uff0c\u5e38\u89c1\u7684\u5408\u91d1\u5305\u62ec\u94f6\u3001\u94dc\u3001\u950c\u548c\u94df\u3002 \u6b64\u5916\u8fd8\u6709\u591a\u79cd\u5408\u91d1\u53ef\u4f9b\u9009\u62e9\u3002\u4e0d\u8fc7\uff0c\u5177\u4f53\u4f7f\u7528\u54ea\u79cd\u5408\u91d1\u53d6\u51b3\u4e8e\u6700\u7ec8\u7535\u5b50\u8bbe\u5907\u7684\u5177\u4f53\u89c4\u683c\u8981\u6c42\u3002<\/p>\n

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\"\"<\/p>\n

\u65e0\u94c5\u710a\u6599\u5236\u9020\u7684\u4f18\u52bf<\/h4>\n

(1) \u65e0\u94c5\u710a\u63a5\u5bf9\u73af\u5883\u53cb\u597d\u3002\u5b83\u7b26\u5408RoHS\u6807\u51c6\u3002<\/p>\n

(2) \u8fd9\u79cd\u710a\u63a5\u65b9\u6cd5\u6bd4\u94c5\u710a\u66f4\u8010\u7528\u3002\u901a\u8fc7\u6539\u8fdb\u5408\u91d1\u6210\u5206\uff0c\u53ef\u4ee5\u63a7\u5236\u63a5\u5934\u7684\u5f3a\u5ea6\u3002<\/p>\n

(3) \u8fd9\u79cd\u710a\u63a5\u65b9\u6cd5\u975e\u5e38\u9002\u5408\u73b0\u4ee3\u6d88\u8d39\u7c7b\u7535\u5b50\u4ea7\u54c1\u3002<\/p>\n

(4) \u65e0\u94c5\u710a\u6599\u7684\u751f\u4ea7\u964d\u4f4e\u4e86\u6c61\u67d3\u98ce\u9669\uff0c\u56e0\u6b64\u8fd9\u79cd\u65b9\u6cd5\u5bf9\u5de5\u4eba\u6765\u8bf4\u8981\u5b89\u5168\u5f97\u591a\u3002<\/p>\n

\u65e0\u94c5\u710a\u6599\u5236\u9020\u7684\u5c40\u9650\u6027<\/h4>\n

(1) \u65e0\u94c5\u710a\u6599\u7684\u7194\u70b9\u8f83\u9ad8\uff08SAC387 \u4e3a 217\u00b0C\uff09\u3002\u6b64\u5916\uff0c\u5176\u51b7\u5374\u901f\u5ea6\u4e5f\u8f83\u6162\u3002\u56e0\u6b64\uff0c\u5fc5\u987b\u4e25\u683c\u63a7\u5236\u5e76\u6b63\u786e\u6267\u884c\u5236\u9020\u8fc7\u7a0b\u3002\u5426\u5219\uff0c\u53ef\u80fd\u4f1a\u51fa\u73b0\u5404\u79cd\u8fde\u63a5\u95ee\u9898\u3002<\/p>\n

(2) \u65e0\u94c5\u710a\u6599\u7684\u6da6\u6e7f\u6027\u4e0d\u5982\u542b\u94c5\u710a\u6599\u3002\u8fd9\u610f\u5473\u7740\u65e0\u94c5\u710a\u6599\u5728\u7194\u5316\u65f6\u65e0\u6cd5\u50cf\u542b\u94c5\u710a\u6599\u90a3\u6837\u8fc5\u901f\u6269\u6563\u3002\u56e0\u6b64\uff0c\u65e0\u94c5\u710a\u6599\u96be\u4ee5\u5f62\u6210\u7262\u56fa\u4e14\u53ef\u9760\u7684\u8fde\u63a5\u3002<\/p>\n

(3) \u8fd9\u79cd\u710a\u63a5\u65b9\u6cd5\u901a\u5e38\u6bd4\u94c5\u710a\u66f4\u6602\u8d35\u3002<\/p>\n

(4) \u65e0\u94c5\u710a\u6599\u4e2d\u9521\u542b\u91cf\u8f83\u9ad8\uff0c\u8fd9\u53ef\u80fd\u4f1a\u5bfc\u81f4\u9521\u987b\u3001\u91d1\u5c5e\u679d\u6676\u3001CAF\u4ee5\u53ca\u9521\u5bb3<\/p>\n

PCBA\u4e2d\u7684\u65e0\u94c5\u5236\u9020\u5de5\u827a<\/h4>\n

\u65e0\u94c5\u710a\u63a5\u540c\u6837\u9075\u5faa\u4e00\u5957\u7cfb\u7edf\u5316\u7684\u6d41\u7a0b\u3002\u9996\u5148\uff0c\u51c6\u5907\u65e0\u94c5\u710a\u818f\u5e76\u5c06\u5176\u6d82\u6577\u5728PCB\u710a\u76d8\u4e0a\u3002\u7136\u540e\uff0c\u5c06\u5404\u79cd\u5143\u5668\u4ef6\u653e\u7f6e\u5728PCB\u4e0a\u3002\u5143\u5668\u4ef6\u653e\u7f6e\u5b8c\u6bd5\u540e\uff0c\u5373\u53ef\u91c7\u7528\u56de\u6d41\u710a\u63a5\u5de5\u827a\u5bf9\u7535\u8def\u677f\u8fdb\u884c\u52a0\u70ed\u3002\u968f\u7740\u710a\u6599\u51b7\u5374\uff0c\u4fbf\u4f1a\u5f62\u6210\u7262\u56fa\u7684\u7535\u6c14\u8fde\u63a5\u3002<\/p>\n

\u5728PCBA\u5236\u9020\u8fc7\u7a0b\u4e2d\uff0c\u542b\u94c5\u710a\u63a5\u548c\u65e0\u94c5\u710a\u63a5\u7684\u5de5\u827a\u6d41\u7a0b\u4e4b\u95f4\u5b58\u5728\u5dee\u5f02\u5417\uff1f\u662f\u7684\uff0c\u786e\u5b9e\u5b58\u5728\u3002\u9996\u5148\uff0c\u65e0\u94c5\u710a\u63a5\u9700\u8981\u66f4\u9ad8\u7684\u56de\u6d41\u6e29\u5ea6\uff0c\u8fd9\u8981\u6c42\u66f4\u7cbe\u786e\u7684\u63a7\u5236\u3002<\/p>\n

\u5982\u4eca\uff0c\u65e0\u94c5\u710a\u63a5\u6280\u672f\u5df2\u88ab\u5e7f\u6cdb\u5e94\u7528\u4e8e\u8bb8\u591a\u9886\u57df\u3002\u8fd9\u79cd\u65b9\u6cd5\u6709\u52a9\u4e8e\u6ee1\u8db3\u8ba1\u7b97\u673a\u548c\u667a\u80fd\u624b\u673a\u7b49\u5404\u7c7b\u4ea7\u54c1\u7684\u591a\u6837\u5316\u9700\u6c42\u3002\u8be5\u6280\u672f\u5728\u5176\u4ed6\u901a\u4fe1\u8bbe\u5907\u4e2d\u4e5f\u5f97\u5230\u5e7f\u6cdb\u5e94\u7528\u3002\u533b\u7597\u5668\u68b0\u3001\u6c7d\u8f66\uff0c\u751a\u81f3\u822a\u7a7a\u822a\u5929\u9886\u57df\u90fd\u91c7\u7528\u4e86\u65e0\u94c5\u710a\u63a5\u6280\u672f\u3002 \u5927\u591a\u6570\u7535\u5b50\u4ea7\u54c1\u90fd\u91c7\u7528\u65e0\u94c5\u710a\u63a5\uff0c\u56e0\u4e3a\u5b83\u65e2\u5b89\u5168\uff0c\u53c8\u7b26\u5408\u300aRoHS\u6307\u4ee4\u300b\u7684\u89c4\u5b9a\u3002<\/p>\n

\u542b\u94c5\u710a\u6599\u4e0e\u65e0\u94c5\u710a\u6599\uff1a\u54ea\u79cd\u66f4\u597d\uff1f<\/h2>\n

\u60a8\u5df2\u7ecf\u4e86\u89e3\u4e86PCBA\u5236\u9020\u4e2d\u542b\u94c5\u548c\u65e0\u94c5\u710a\u63a5\u7684\u4f18\u7f3a\u70b9\u3002\u73b0\u5728\uff0c\u60a8\u610f\u8bc6\u5230\uff0c\u9009\u62e9\u54ea\u79cd\u65b9\u6848\u901a\u5e38\u53d6\u51b3\u4e8e\u60a8\u7684\u5177\u4f53\u5e94\u7528\u573a\u666f\u3002<\/p>\n

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