{"id":3790,"date":"2015-10-14T08:23:00","date_gmt":"2015-10-14T00:23:00","guid":{"rendered":"\/\/m.letratesoro.com\/?p=3790"},"modified":"2023-10-18T18:28:47","modified_gmt":"2023-10-18T10:28:47","slug":"2nd-reflow-component-drop","status":"publish","type":"post","link":"\/\/m.letratesoro.com\/2015\/10\/2nd-reflow-component-drop\/","title":{"rendered":"\u4e8c\u6b21\u56de\u710a\u6642\u5982\u4f55\u907f\u514d\u7b2c\u4e00\u9762\u8f03\u91cd\u96f6\u4ef6\u6389\u843d\u6389\u4ef6\u7684\u89e3\u6c7a\u65b9\u6cd5"},"content":{"rendered":"

\"PIH_Components\"<\/font><\/p>\n

\u96a8\u8457\u624b\u6a5f\u6280\u8853\u7684\u5feb\u901f\u767c\u5c55\uff0c\u5927\u9678\u5730\u5340EMS(\u96fb\u5b50\u7d44\u88dd\u5ee0)\u4e0d\u6642\u50b3\u51fa\u56b4\u91cd\u7684\u7f3a\u5de5\u554f\u984c\uff0c\u5176\u6b21\u662f\u5de5\u696d4.0\u8b93EMS\u5ee0\u8ffd\u6c42\u81ea\u52d5\u5316\u7684\u9700\u6c42\u65e5\u76ca\u9ad8\u6f32\uff0c\u6240\u4ee5\u73fe\u5728\u5f88\u591a\u539f\u672c\u9084\u4e0d\u4e00\u5b9a\u53ef\u4ee5\u8d70SMT\u88fd\u7a0b\u7684\u96f6\u4ef6\u4e5f\u90fd\u88ab\u8981\u6c42\u96f6\u4ef6\u8981\u7b26\u5408\u8d70<\/font>PIH(Paste-In-Hole)<\/font><\/a>\u88fd\u7a0b\uff0c\u6bd4\u5982\u8aaa Type A \u7684USB\u9023\u63a5\u5668\u3001\u7db2\u7dda(Ethernet)\u7684\u9023\u63a5\u5668\u3001\u96fb\u6e90\u63d2\u5ea7\u3001\u8b8a\u58d3\u5668\u2026\u7b49\u6bd4\u8f03\u7b28\u91cd\u7684\u96f6\u4ef6\uff0c\u4ee5\u524d\u9019\u7a2e\u96f6\u4ef6\u5927\u591a\u662fSMT\u88fd\u7a0b\u5f8c\u624d\u300c\u5f8c\u5fa9(touch-up)\u624b\u710a<\/a>\u300d\u4e0a\u53bb\u7684\u3002<\/font><\/p>\n

\u56e0\u70ba\u4eba\u5de5\u7684\u77ed\u7f3a\uff0c\u4e5f\u70ba\u4e86\u7bc0\u7701\u5f8c\u7e8c\u7684\u88fd\u7a0b\u8cbb\u7528\uff0c\u53e6\u4e00\u65b9\u9762\u662f\u54c1\u8cea\u4e0a\u7684\u8003\u91cf\uff0c\u73fe\u5728\u5f88\u591a\u7cfb\u7d71\u5ee0\u53caEMS\u5546\u90fd\u9678\u7e8c\u958b\u59cb\u8981\u6c42\u90a3\u4e9b\u9084\u4e0d\u80fd\u6539\u6210SMD\u88fd\u7a0b\u7684\u96f6\u4ef6\uff0c\u81f3\u5c11\u8981\u53ef\u4ee5\u5148\u7b26\u5408PIH\u7684\u88fd\u7a0b\u8981\u6c42\uff0c\u8b93\u96fb\u8def\u677f\u4e0a\u7684\u6240\u6709\u96fb\u5b50\u96f6\u4ef6\u53ea\u8981\u8d70\u5b8cSMT\u88fd\u7a0b\uff0c\u5c31\u53ef\u4ee5\u5b8c\u6210\u96fb\u8def\u677f\u7684\u6240\u6709\u7684\u710a\u63a5\u88fd\u7a0b\u3002<\/font><\/p>\n

<\/p>\n

\u4e0d\u904e\u628a\u96f6\u4ef6\u6539\u6210SMD\u6216\u662fPIH\u88fd\u7a0b\u53ef\u662f\u6709\u5176\u8981\u6c42\u7684\uff0c\u9ebb\u7169\u5148\u53c3\u8003\u9019\u7bc7\u6587\u7ae0\u3010<\/font>\u628aSMD\u96f6\u4ef6\u6539\u6210\u901a\u5b54\u932b\u818f(Paste-In-Hole)\u88fd\u7a0b\u6709\u4f55\u5dee\u5225\u53ca\u5f71\u97ff?<\/font><\/a>\u3011\u4f86\u4e86\u89e3\u5176\u6750\u6599\u53ca\u8a2d\u8a08\u4e0a\u7684\u8981\u6c42\u3002<\/font><\/p>\n

\uff08\u5c0d\u65bc\u5927\u9678\u90a3\u4e9b\u76dc\u6587\u7db2\u7ad9\uff0c\u8907\u88fd\u8cbc\u4e0a\u672c\u7ad9\u6587\u7ae0\u5f8c\uff0c\u5c45\u7136\u9084\u6539\u6210\u81ea\u5df1\u516c\u53f8\u7684\u540d\u5b57\uff0c\u611f\u5230\u7121\u6065\uff01\u6587\u7ae0\u5167\u5bb9\u90e8\u4efd\u9632\u6b62\u8907\u88fd\u7de8\u6392\u53ef\u80fd\u9020\u6210\u60a8\u95b1\u8b80\u7684\u4e0d\u4fbf\uff0c\u8acb\u898b\u8ad2\uff01\uff09<\/font><\/em><\/p>\n

\u53e6\u5916\uff0c\u8981\u5c07\u6240\u6709\u96fb\u5b50\u96f6\u4ef6\u5168\u90e8\u6539\u6210SMT\u88fd\u7a0b\u6642\u9084\u6703\u78b0\u5230\u4e00\u500b\u65b0\u7684\u554f\u984c\uff0c\u5c31\u662f\u96fb\u8def\u677f\u7b2c\u4e8c\u9762\u904e\u56de\u710a\u7210\u6642<\/font>\uff0c\u539f\u4f86\u7b2c\u4e00\u9762\u5df2\u7d93\u5403\u932b\u7684\u96f6\u4ef6\uff0c\u5982\u679c\u6709\u6bd4\u8f03\u91cd\u7684\u96f6\u4ef6\u6703\u6709\u6389\u843d<\/font>\u7684\u554f\u984c\uff0c\u9019\u500b\u554f\u984c\u5176\u5be6\u5927\u90e8\u5206\u7684\u516c\u53f8\u90fd\u6703\u5728\u5176\u88fd\u9020\u8a2d\u8a08\u898f\u7bc4(DFx)\u4e0a\u982d\u5b9a\u7fa9\u8f03\u91cd\u96f6\u4ef6\u5fc5\u9808\u8a2d\u8a08\u5728\u540c\u4e00\u9762\u7684\u96fb\u8def\u677f\u4e0a\uff0c\u53ef\u662f\u96a8\u8457\u79d1\u6280\u7684\u6f14\u5316\uff0c\u4ee5\u53ca\u4e0a\u9762\u63d0\u5230\u7684\u7a2e\u7a2e\u9700\u6c42\uff0cRD\u4f3c\u4e4e\u4e5f\u8d8a\u4f86\u8d8a\u7121\u6cd5\u9075\u5b88\u9019\u689d\u898f\u5247\u4e86\u3002<\/font><\/p>\n

\u5982\u679c\u4f60\u9084\u4e0d\u77e5\u9053\u4ec0\u9ebc\u662f\u96fb\u8def\u677f\u7684\u7b2c\u4e00\u9762\u8207\u7b2c\u4e8c\u9762\uff0c\u8acb\u5148\u53c3\u8003\u3010<\/font>\u4ecb\u7d39PCBA\u96d9\u9762\u56de\u710a\u88fd\u7a0b(SMT)\u53ca\u6ce8\u610f\u4e8b\u9805<\/font><\/a>\u3011\u53ca\u3010<\/font>\u7d66\u521d\u5b78\u8005\u7684Q&A\uff1a\u95dc\u65bcSMT\u92fc\u677f\u3001\u6253\u4ef6\u9762\u9806\u5e8f\u6c7a\u5b9a\u3001DFM\u3001DFX<\/font><\/a>\u3011\u9019\u5169\u7bc7\u6587\u7ae0\u3002<\/font><\/p>\n

\u90a3\u5de5\u5ee0\u88fd\u7a0b\u4e0a\u6709\u6c92\u6709\u4ec0\u9ebc\u65b9\u6cd5\u53ef\u4ee5\u907f\u514d\u7b2c\u4e8c\u9762\u904e\u7210\u6642\uff0c\u7b2c\u4e00\u9762\u7684\u8f03\u91cd\u96f6\u4ef6\u7684\u6389\u843d\u5462?<\/font> <\/strong><\/font><\/p>\n

\u5de5\u4f5c\u718a\u76ee\u524d\u77e5\u9053\u7684\u5e7e\u500b\u65b9\u6cd5\u76f8\u4fe1\u5927\u90e8\u5206\u7684SMT\u5de5\u7a0b\u5e2b\u4e5f\u90fd\u5df2\u7d93\u5728\u57f7\u884c\u4e86\uff0c\u9019\u88e1\u53ea\u662f\u63d0\u51fa\u4f86\u7d66\u4e00\u4e9b\u9084\u672a\u9047\u5230\u7684\u670b\u53cb\u5011\u53c3\u8003\uff1a<\/font><\/p>\n

\u65b9\u6cd5\u4e00\u3001\u5728\u96f6\u4ef6\u7684\u5e95\u4e0b\u6216\u662f\u65c1\u908a\u9ede\u7d05\u81a0<\/strong><\/font><\/p>\n

\n

\u76f8\u95dc\u95b1\u8b80\uff1a<\/font>\u4f55\u8b02SMT\u300c\u7d05\u81a0\u300d\u88fd\u7a0b\uff1f\u4ec0\u9ebc\u6642\u5019\u8a72\u7528\u7d05\u81a0\u5462\uff1f\u6709\u4f55\u9650\u5236\u5462\uff1f<\/font><\/a><\/p>\n

\u5176\u5be6\u65e9\u671f\u7684SMT\u7dda\uff0c\u9ede\u81a0\u6a5f\u662f\u5fc5\u5099\u7684\u8a2d\u5099\uff0c\u56e0\u70ba\u9ede\u904e\u81a0\u7684SMD\u96f6\u4ef6\u53ef\u4ee5\u62ff\u53bb\u904e\u300c\u6ce2\u5cf0\u710a(wave soldering)<\/a>\u300d\uff0c\u4e0d\u904e\u73fe\u5728\u5927\u90e8\u5206\u7684SMT\u7dda\u5e7e\u4e4e\u90fd\u6c92\u6709\u9019\u500b\u8a2d\u5099\u4e86\u3002\u5982\u679c\u6c92\u6709\u9ede\u81a0\u6a5f(dispenser)\uff0c\u5c31\u5fc5\u9808\u4f7f\u7528\u4eba\u5de5\u624b\u52d5\u4f86\u9ede\u81a0\uff0c\u5de5\u4f5c\u718a\u500b\u4eba\u5176\u5be6\u4e0d\u592a\u5efa\u8b70\u4eba\u5de5\u5566\uff0c\u56e0\u70ba\u4eba\u5de5\u4f5c\u696d\u9664\u4e86\u8017\u8cbb\u4eba\u529b\u53ca\u5de5\u6642\u5916\uff0c\u54c1\u8cea\u4e5f\u8f03\u96e3\u7ba1\u63a7\uff0c\u56e0\u70ba\u4e00\u4e0d\u5c0f\u5fc3\u5c31\u6703\u78b0\u5230\u5176\u4ed6\u5df2\u7d93\u8cbc\u7247\u597d\u7684\u96f6\u4ef6\uff0c<\/font>\u5982\u679c\u53ef\u4ee5\u7528\u6a5f\u5668\u4f86\u9ede\u81a0\uff0c\u54c1\u8cea\u4e0a\u624d\u6703\u6bd4\u8f03\u80fd\u7ba1\u63a7\u3002<\/font><\/font><\/p>\n

\u9ede\u7d05\u81a0\u7684\u76ee\u7684\u662f\u8981\u5c07\u96f6\u4ef6\u9ecf\u8457\u5728\u96fb\u8def\u677f\u4e0a\uff0c\u6240\u4ee5\u7d05\u81a0\u4e00\u5b9a\u8981\u9ede\u5728\u96fb\u8def\u677f\u4e0a\u9762\uff0c\u4e26\u4e14\u6cbe\u9ecf\u4f4f\u96f6\u4ef6\uff0c\u7136\u5f8c\u904e\u56de\u710a\u7210\uff0c\u5229\u7528\u56de\u710a\u7210\u7684\u9ad8\u6eab\u5c07\u7d05\u81a0\u56fa\u5316\uff0c\u9019\u7a2e\u7d05\u81a0\u5c6c\u65bc\u4e0d\u53ef\u9006\u81a0\uff0c\u6240\u4ee5\u7121\u6cd5\u7d93\u7531\u52a0\u71b1\u4f86\u8edf\u5316\u3002<\/font><\/p>\n

\u5982\u679c\u7d05\u81a0\u8981\u9ede\u5728\u96f6\u4ef6\u7684\u4e0b\u65b9\uff0c\u9ede\u81a0\u4f5c\u696d\u5fc5\u9808\u5728\u96fb\u8def\u677f\u5370\u5b8c\u932b\u818f\u5f8c\u99ac\u4e0a\u9ede\u4e0a\u53bb\uff0c\u7136\u5f8c\u518d\u5c07\u6bd4\u8f03\u91cd\u7684\u96f6\u4ef6\u8986\u84cb\u5728\u5176\u4e0a\u9762\u3002\u8981\u6ce8\u610f\u7684\u662f\uff0c\u7d05\u81a0\u9ede\u5728\u96f6\u4ef6\u4e0b\u65b9\u6703\u6709\u7a0d\u7a0d\u6490\u8d77\u96f6\u4ef6\u7684\u98a8\u96aa\uff0c\u6240\u4ee5\u4e00\u822c\u90fd\u662f\u6bd4\u8f03\u91cd\u4e14\u5927\u7684\u96f6\u4ef6\u624d\u6703\u505a\u9019\u6a23\u7684\u4f5c\u696d\u3002<\/font><\/p>\n

\u53e6\u4e00\u7a2e\u9ede\u81a0\u4f5c\u696d\u6703\u9ede\u5728\u96f6\u4ef6\u7684\u5074\u908a\uff0c\u9019\u500b\u5fc5\u9808\u7b49\u932b\u818f\u5370\u5237\u5b8c\u7562\u53ca\u96f6\u4ef6\u653e\u5230\u56fa\u5b9a\u4f4d\u7f6e\u4ee5\u5f8c\u624d\u80fd\u4f5c\u696d\uff0c\u5982\u679c\u4e0d\u5c0f\u5fc3\u6703\u6709\u78b0\u6389\u96f6\u4ef6\u7684\u98a8\u96aa\uff0c\u6240\u4ee5<\/font>\u4e00\u822c\u6703\u4f7f\u7528\u65bcPIH\u7684\u96f6\u4ef6\u3002<\/font><\/font><\/p>\n

\u5982\u679c\u4f7f\u7528\u6a5f\u5668\u9ede\u81a0\u65bc\u5074\u908a\u7684\u8a71\uff0c\u5fc5\u9808\u7cbe\u6e96\u63a7\u5236\u81a0\u91cf\u53ca\u9ede\u81a0\u4f4d\u7f6e\uff0c\u5c07\u81a0\u9ede\u65bc\u96f6\u4ef6\u7684\u908a\u7de3\uff0c\u7136\u5f8c\u7528\u8cbc\u7247\u6a5f\u7684\u5438\u5634\u8f15\u58d3\u96f6\u4ef6\u81f3\u56fa\u5b9a\u6df1\u5ea6\uff0c\u4ee5\u78ba\u4fdd\u96f6\u4ef6\u6c92\u6709\u6d6e\u9ad8\u7684\u98a8\u96aa\u3002<\/font><\/p>\n

\u73fe\u5728\u56e0\u70ba\u6a5f\u5668\u4eba\u7684\u9032\u6b65\uff0c\u5f88\u591a\u65e9\u671f\u9ede\u81a0\u4e0d\u6613\u63a7\u5236\u7684\u9805\u76ee\u90fd\u53ef\u4ee5\u6709\u89e3\u6c7a\u65b9\u6848\uff0c\u5de5\u4f5c\u718a\u5c31\u770b\u904e\u4f7f\u7528\u7c21\u55ae\u7684\u6a5f\u5668\u624b\u81c2\u4f86\u67b6\u5728SMT\u6d41\u7dda\u4e0a\u505a\u9ede\u81a0\u7684\u89e3\u6c7a\u65b9\u6848\uff0c\u8cbb\u7528\u4e5f\u4e0d\u6703\u5f88\u8cb4\uff0c\u63d0\u4f9b\u6709\u9700\u8981\u505a\u9ede\u81a0\u88fd\u7a0b\u7684\u670b\u53cb\uff0c\u7576\u7136\uff0c\u9019\u500b\u53ea\u9069\u5408\u5c11\u91cf\u7684\u9ede\u81a0\u4f5c\u696d\u3002\u53e6\u5916\uff0c\u9019\u7a2e\u9ede\u81a0\u7684\u7cbe\u5ea6\u8981\u6c42\u4e00\u822c\u4e0d\u6703\u592a\u9ad8\uff0c\u56e0\u70ba\u9ede\u5728\u8f03\u5927\u7684\u96f6\u4ef6\u4e0a\uff0c\u81a0\u91cf\u53ca\u4f4d\u7f6e\u5c31\u4e0d\u9700\u8981\u592a\u7cbe\u6e96\uff0c\u6240\u4ee5\u5de5\u4f5c\u96c4\u4e5f\u770b\u904e\u6709\u4eba\u7528XY-Table\u9ede\u81a0\u6a5f\u4f86\u8207SMT\u505a\u9023\u7dda\uff0c\u9054\u5230\u96fb\u8def\u677f\u96f6\u4ef6\u9ede\u81a0\u7684\u9700\u6c42\u3002<\/font><\/p>\n<\/blockquote>\n

\uff08\u5c0d\u65bc\u5927\u9678\u90a3\u4e9b\u76dc\u6587\u7db2\u7ad9\uff0c\u8907\u88fd\u8cbc\u4e0a\u672c\u7ad9\u6587\u7ae0\u5f8c\uff0c\u5c45\u7136\u9084\u6539\u6210\u81ea\u5df1\u516c\u53f8\u7684\u540d\u5b57\uff0c\u611f\u5230\u7121\u6065\uff01\u6587\u7ae0\u5167\u5bb9\u90e8\u4efd\u9632\u6b62\u8907\u88fd\u7de8\u6392\u53ef\u80fd\u9020\u6210\u60a8\u95b1\u8b80\u7684\u4e0d\u4fbf\uff0c\u8acb\u898b\u8ad2\uff01\uff09<\/font><\/em><\/p>\n

\u65b9\u6cd5\u4e8c\u3001\u4f7f\u7528\u904e\u7210\u8f09\u5177\/\u6258\u76e4(carrier)<\/strong><\/font><\/p>\n

<\/p>\n

\n

\u904e\u7210\u8f09\u5177<\/a>\u53ef\u4ee5\u8a2d\u8a08\u808b\u689d(ribs)\u525b\u597d\u652f\u6490\u4f4f\u8f03\u91cd\u96f6\u4ef6\u7684\u4f4d\u7f6e\uff0c\u9019\u6a23\u5c31\u53ef\u4ee5\u907f\u514d\u6bd4\u8f03\u91cd\u7684\u96f6\u4ef6\u5728\u904e\u4e8c\u6b21\u56de\u6d41\u710a\u6642\u6389\u843d\u4e0b\u4f86\u3002\u4f46\u662f\u904e\u7210\u8f09\u5177\u7684\u8cbb\u7528\u4e0d\u4fbf\u5b9c\uff0c\u800c\u4e14\u8f09\u5177\u5168\u90e8\u6578\u91cf\u6392\u8d77\u4f86\u8981\u5927\u65bc\u56de\u710a\u7210 (reflow oven)\u7684\u9577\u5ea6\uff0c\u4e5f\u5c31\u662f\u8981\u8a08\u7b97\u56de\u710a\u7210\u5167\u540c\u6642\u6709\u591a\u5c11\u7247\u677f\u5b50\u884c\u8d70\u5176\u9593\uff0c\u9084\u8981\u52a0\u4e0a\u7de9\u885d(buffer)\u53ca\u5099\u54c1\uff0c\u5168\u90e8\u52a0\u8d77\u4f86\u6c92\u6709\u4e09\u5341\u500b\u4e5f\u9700\u8981\u81f3\u5c11\u4e8c\u5341\u500b\uff0c\u53ef\u80fd\u9084\u8981\u66f4\u591a\uff0c\u6240\u8cbb\u4e0d\u7725\u3002<\/font><\/font><\/font><\/font><\/p>\n

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<\/font><\/p>\n<\/blockquote>\n

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\n

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\n

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\n

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\n

\u5ef6\u4f38\u95b1\u8b80\uff1a<\/font>
\u5408\u6210\u77f3\u904e\u7210\u6258\u76e4(Reflow carrier)<\/font><\/a>
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