{"id":3388,"date":"2025-11-03T17:05:19","date_gmt":"2025-11-03T09:05:19","guid":{"rendered":"https:\/\/www.chuxin-smt.com\/slug-mastering-selective-soldering-a-comprehensive-guide\/"},"modified":"2025-11-04T10:47:55","modified_gmt":"2025-11-04T02:47:55","slug":"slug-mastering-selective-soldering-a-comprehensive-guide","status":"publish","type":"post","link":"https:\/\/www.chuxin-smt.com\/sr\/slug-mastering-selective-soldering-a-comprehensive-guide\/","title":{"rendered":"\u0423\u0441\u0430\u0432\u0440\u0448\u0430\u0432\u0430\u045a\u0435 \u0441\u0435\u043b\u0435\u043a\u0442\u0438\u0432nog \u043b\u0435\u043c\u0459\u0435\u045a\u0430: \u0441\u0432\u0435\u043e\u0431\u0443\u0445\u0432\u0430\u0442\u0430\u043d \u0432\u043e\u0434\u0438\u0447"},"content":{"rendered":"<h2>\u0421\u0435\u043b\u0435\u043a\u0442\u0438\u0432\u043d\u043e \u043b\u0435\u043c\u0459\u0435\u045a\u0435: \u0432\u0438\u0448\u0435 \u043e\u0434 \u0441\u0430\u043c\u043e\u0433 \u043b\u0435\u043c\u043d\u043e\u0433 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\u0434\u0430 \u043f\u043e\u0434\u043d\u0435\u0441\u0443 \u0432\u0438\u0441\u043e\u043a\u0435 \u0442\u0435\u043c\u043f\u0435\u0440\u0430\u0442\u0443\u0440\u0435 \u043f\u0440\u043e\u0446\u0435\u0441\u0430 \u043b\u0435\u043c\u0459\u0435\u045a\u0430.<\/li>\n<\/ol>\n<p>\u041e\u0432\u0430\u0458 \u043d\u0430\u043f\u0440\u0435\u0434\u043d\u0438 \u043c\u0435\u0442\u043e\u0434 \u0458\u0435 \u043f\u043e\u0441\u0442\u0430\u043e \u0440\u0435\u0448\u0435\u045a\u0435 \u043f\u043e \u0438\u0437\u0431\u043e\u0440\u0443 \u0437\u0430 <a href=\"https:\/\/www.chuxin-smt.com\/sr\/solving-the-welding-problem-of-high-density-pcb-sm-selective-wave-soldering\/\">\u043f\u043b\u043e\u0447\u0435 \u0432\u0438\u0441\u043e\u043a\u0435 \u0433\u0443\u0441\u0442\u0438\u043d\u0435 \u0438 \u043c\u0435\u0448\u043e\u0432\u0438\u0442\u0435 \u0442\u0435\u0445\u043d\u043e\u043b\u043e\u0433\u0438\u0458\u0435<\/a>. \u041f\u0440\u0438\u043c\u0435\u043d\u043e\u043c \u0442\u043e\u043f\u043b\u043e\u0442\u0435 \u0438 \u043b\u0435\u043c\u0438\u043b\u0430 \u0441\u0430\u043c\u043e \u0442\u0430\u043c\u043e \u0433\u0434\u0435 \u0458\u0435 \u0442\u043e \u0430\u043f\u0441\u043e\u043b\u0443\u0442\u043d\u043e \u043d\u0435\u043e\u043f\u0445\u043e\u0434\u043d\u043e, \u0441\u0435\u043b\u0435\u043a\u0442\u0438\u0432\u043d\u0430 \u043b\u0435\u043c\u0459\u0435\u045a\u0430 \u0433\u0430\u0440\u0430\u043d\u0442\u0443\u0458\u0435 \u0432\u0438\u0441\u043e\u043a\u043e\u043a\u0432\u0430\u043b\u0438\u0442\u0435\u0442\u043d\u0435 \u0441\u043f\u043e\u0458\u0435\u0432\u0435, \u0434\u0440\u0430\u0441\u0442\u0438\u0447\u043d\u043e \u0441\u043c\u0430\u045a\u0443\u0458\u0435 \u0440\u0438\u0437\u0438\u043a \u043e\u0434 \u0434\u0435\u0444\u0435\u043a\u0430\u0442\u0430 \u0438 \u0448\u0442\u0438\u0442\u0438 \u043e\u0441\u0435\u0442\u0459\u0438\u0432\u0435 \u0438 \u0447\u0435\u0441\u0442\u043e \u0441\u043a\u0443\u043f\u0435 \u043a\u043e\u043c\u043f\u043e\u043d\u0435\u043d\u0442\u0435 \u043a\u043e\u0458\u0435 \u0434\u0435\u0444\u0438\u043d\u0438\u0448\u0443 \u043c\u043e\u0434\u0435\u0440\u043d\u0443 \u0435\u043b\u0435\u043a\u0442\u0440\u043e\u043d\u0438\u043a\u0443. \u041e\u043d\u0430 \u0443\u0441\u043f\u0435\u0448\u043d\u043e \u043f\u0440\u0435\u043c\u043e\u0448\u045b\u0443\u0458\u0435 \u0458\u0430\u0437 \u0438\u0437\u043c\u0435\u0452\u0443 \u0432\u0435\u043b\u0438\u043a\u043e\u0433 \u043a\u0430\u043f\u0430\u0446\u0438\u0442\u0435\u0442\u0430 \u0442\u0430\u043b\u0430\u0441\u0430\u0441\u0442\u043e\u0433 \u043b\u0435\u043c\u0459\u0435\u045a\u0430 \u0438 \u043f\u0440\u0435\u0446\u0438\u0437\u043d\u0435 \u0440\u0443\u0447\u043d\u0435 \u0442\u0435\u0445\u043d\u0438\u043a\u0435 \u043b\u0435\u043c\u0459\u0435\u045a\u0430, \u043f\u0440\u0443\u0436\u0430\u0458\u0443\u045b\u0438 \u043f\u043e\u043d\u043e\u0432\u0459\u0438\u0432\u0435 \u0438 \u043f\u043e\u0443\u0437\u0434\u0430\u043d\u0435 \u0440\u0435\u0437\u0443\u043b\u0442\u0430\u0442\u0435 \u0437\u0430 \u043d\u0430\u0458\u0441\u043b\u043e\u0436\u0435\u043d\u0438\u0458\u0435 \u0435\u043b\u0435\u043a\u0442\u0440\u043e\u043d\u0441\u043a\u0435 \u0441\u043a\u043b\u043e\u043f\u043e\u0432\u0435.<\/p>\n<h2>\u201c\u0417\u0430\u0448\u0442\u043e\u201d \u0438\u0437\u0430 \u201c\u041a\u0430\u043a\u043e\u201d: \u041f\u0440\u0435\u0434\u043d\u043e\u0441\u0442\u0438 \u0438 \u043f\u0440\u0438\u043c\u0435\u043d\u0435<\/h2>\n<p>\u0418\u0430\u043a\u043e \u0441\u0443 \u043c\u0435\u0445\u0430\u043d\u0438\u0437\u043c\u0438 \u0441\u0435\u043b\u0435\u043a\u0442\u0438\u0432\u043d\u0435 \u043b\u0435\u043c\u0459\u0435\u045a\u0430 \u0438\u043c\u043f\u0440\u0435\u0441\u0438\u0432\u043d\u0438, \u045a\u0435\u0433\u043e\u0432\u0443 \u0448\u0438\u0440\u043e\u043a\u0443 \u043f\u0440\u0438\u043c\u0435\u043d\u0443 \u043f\u043e\u043a\u0440\u0435\u045b\u0435 \u043c\u043e\u045b\u043d\u0430 \u043a\u043e\u043c\u0431\u0438\u043d\u0430\u0446\u0438\u0458\u0430 \u043f\u0440\u0435\u0434\u043d\u043e\u0441\u0442\u0438 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\u043f\u043b\u0430\u0441\u0442\u0438\u0447\u043d\u0438 \u043a\u043e\u043d\u0435\u043a\u0442\u043e\u0440\u0438 \u0438 \u0434\u0435\u043b\u0438\u043a\u0430\u0442\u043d\u0438 \u0441\u0435\u043d\u0437\u043e\u0440\u0438 \u043c\u043e\u0433\u0443 \u0431\u0438\u0442\u0438 \u0441\u043c\u0435\u0448\u0442\u0435\u043d\u0435 \u043d\u0430 \u0441\u0430\u043c\u043e \u043d\u0435\u043a\u043e\u043b\u0438\u043a\u043e \u043c\u0438\u043b\u0438\u043c\u0435\u0442\u0430\u0440\u0430 \u043e\u0434 \u043f\u0438\u043d\u0430 \u043a\u0440\u043e\u0437-\u0440\u0443\u043f\u0443. \u0421\u0435\u043b\u0435\u043a\u0442\u0438\u0432\u043d\u043e \u043b\u0435\u043c\u0459\u0435\u045a\u0435 \u0438\u0437\u043e\u043b\u0443\u0458\u0435 \u043f\u0440\u043e\u0446\u0435\u0441 \u043d\u0430 \u0432\u0438\u0441\u043e\u043a\u043e\u0458 \u0442\u0435\u043c\u043f\u0435\u0440\u0430\u0442\u0443\u0440\u0438, \u0448\u0442\u0438\u0442\u0435\u045b\u0438 \u043e\u0432\u0435 \u043a\u043e\u043c\u043f\u043e\u043d\u0435\u043d\u0442\u0435 \u043e\u0434 \u0442\u0435\u0440\u043c\u0438\u0447\u043a\u0435 \u0448\u0442\u0435\u0442\u0435 \u043a\u043e\u0458\u0430 \u0431\u0438 \u0431\u0438\u043b\u0430 \u043d\u0435\u0438\u0437\u0431\u0435\u0436\u043d\u0430 \u043f\u0440\u0438 \u0442\u0430\u043b\u0430\u0441\u0430\u0441\u0442\u043e\u043c \u043b\u0435\u043c\u0459\u0435\u045a\u0443.<\/li>\n<li><strong>\u0412\u0440\u0445\u0443\u043d\u0441\u043a\u0438 \u043a\u0432\u0430\u043b\u0438\u0442\u0435\u0442 \u043b\u0435\u043c\u043d\u043e\u0433 \u0441\u043f\u043e\u0458\u0430:<\/strong> \u041a\u043e\u043d\u0442\u0440\u043e\u043b\u0438\u0448\u0443\u045b\u0438 \u0441\u0432\u0430\u043a\u0443 \u043f\u0440\u043e\u043c\u0435\u043d\u0459\u0438\u0432\u0443 \u2014 \u043e\u0434 \u0442\u0435\u043c\u043f\u0435\u0440\u0430\u0442\u0443\u0440\u0435 \u043b\u0435\u043c\u0430 \u0438 \u0432\u0440\u0435\u043c\u0435\u043d\u0430 \u043a\u043e\u043d\u0442\u0430\u043a\u0442\u0430 \u0434\u043e \u043f\u0440\u0438\u0442\u0438\u0441\u043a\u0430 \u043c\u043b\u0430\u0437\u043d\u0438\u0446\u0435 \u2014 \u043f\u0440\u043e\u0446\u0435\u0441 \u0441\u0442\u0432\u0430\u0440\u0430 \u0431\u0435\u0441\u043f\u0440\u0435\u043a\u043e\u0440\u043d\u0435, \u043f\u043e\u043d\u043e\u0432\u0459\u0438\u0432\u0435 \u043b\u0435\u043c\u043d\u0435 \u0441\u043f\u043e\u0458\u0435\u0432\u0435. \u041e\u0432\u043e \u0441\u043c\u0430\u045a\u0443\u0458\u0435 \u0443\u043e\u0431\u0438\u0447\u0430\u0458\u0435\u043d\u0435 \u0434\u0435\u0444\u0435\u043a\u0442\u0435 \u043b\u0435\u043c\u0459\u0435\u045a\u0430 \u043a\u0430\u043e \u0448\u0442\u043e \u0441\u0443 \u043c\u043e\u0441\u0442\u043e\u0432\u0438, \u043b\u0435\u043c\u043d\u0435 \u043a\u0443\u0433\u043b\u0438\u0446\u0435 \u0438 \u043d\u0435\u0434\u043e\u0432\u043e\u0459\u043d\u043e \u043f\u043e\u043f\u0443\u045a\u0430\u0432\u0430\u045a\u0435 \u0440\u0443\u043f\u0430, \u0448\u0442\u043e \u0434\u043e\u0432\u043e\u0434\u0438 \u0434\u043e \u0432\u0435\u045b\u0435\u0433 \u043f\u0440\u0438\u043d\u043e\u0441\u0430 \u043f\u0440\u0438 \u043f\u0440\u0432\u043e\u043c \u043f\u0440\u043e\u043b\u0430\u0437\u0443 \u0438 \u0432\u0435\u045b\u0435 \u0434\u0443\u0433\u043e\u0440\u043e\u0447\u043d\u0435 \u043f\u043e\u0443\u0437\u0434\u0430\u043d\u043e\u0441\u0442\u0438 \u043f\u0440\u043e\u0438\u0437\u0432\u043e\u0434\u0430.<\/li>\n<li><strong>\u041f\u043e\u0431\u043e\u0459\u0448\u0430\u043d\u0430 \u0444\u043b\u0435\u043a\u0441\u0438\u0431\u0438\u043b\u043d\u043e\u0441\u0442 \u0434\u0438\u0437\u0430\u0458\u043d\u0430:<\/strong> \u0421\u0435\u043b\u0435\u043a\u0442\u0438\u0432\u043d\u0430 \u043b\u0435\u043c\u0459\u0435\u045a\u0430 \u043e\u0441\u043b\u043e\u0431\u0430\u0452\u0430 \u0434\u0438\u0437\u0430\u0458\u043d\u0435\u0440\u0435 \u0448\u0442\u0430\u043c\u043f\u0430\u043d\u0438\u0445 \u043f\u043b\u043e\u0447\u0430 \u043e\u0434 \u043e\u0433\u0440\u0430\u043d\u0438\u0447\u0435\u045a\u0430 \u043a\u043e\u0458\u0430 \u043d\u0430\u043c\u0435\u045b\u0443 \u0442\u0440\u0430\u0434\u0438\u0446\u0438\u043e\u043d\u0430\u043b\u043d\u0435 \u043c\u0435\u0442\u043e\u0434\u0435 \u043b\u0435\u043c\u0459\u0435\u045a\u0430. \u041e\u043d\u0438 \u043c\u043e\u0433\u0443 \u043f\u043e\u0441\u0442\u0430\u0432\u0459\u0430\u0442\u0438 \u043a\u043e\u043c\u043f\u043e\u043d\u0435\u043d\u0442\u0435 \u0433\u0443\u0448\u045b\u0435 \u0438 \u043d\u0430 \u043e\u0431\u0435 \u0441\u0442\u0440\u0430\u043d\u0435 \u043f\u043b\u043e\u0447\u0435, \u0437\u043d\u0430\u0458\u0443\u045b\u0438 \u0434\u0430 \u043f\u0440\u043e\u0446\u0435\u0441 \u043b\u0435\u043c\u0459\u0435\u045a\u0430 \u043c\u043e\u0436\u0435 \u0434\u0430 \u043f\u0440\u0438\u0445\u0432\u0430\u0442\u0438 \u0441\u043b\u043e\u0436\u0435\u043d\u0435 \u0440\u0430\u0441\u043f\u043e\u0440\u0435\u0434\u0435 \u0431\u0435\u0437 \u043a\u043e\u043c\u043f\u0440\u043e\u043c\u0438\u0441\u0430. \u041e\u0432\u0430 \u0444\u043b\u0435\u043a\u0441\u0438\u0431\u0438\u043b\u043d\u043e\u0441\u0442 \u0458\u0435 \u043a\u0459\u0443\u0447\u043d\u0430 \u0437\u0430 \u043c\u0438\u043d\u0438\u0458\u0430\u0442\u0443\u0440\u0438\u0437\u0430\u0446\u0438\u0458\u0443 \u0438 \u043f\u043e\u0432\u0435\u045b\u0430\u045a\u0435 \u0444\u0443\u043d\u043a\u0446\u0438\u043e\u043d\u0430\u043b\u043d\u043e\u0441\u0442\u0438 \u0443 \u0441\u0430\u0432\u0440\u0435\u043c\u0435\u043d\u0438\u043c \u0443\u0440\u0435\u0452\u0430\u0458\u0438\u043c\u0430. \u0417\u0430 \u0434\u0435\u0442\u0430\u0459\u043d\u0443 \u043f\u043e\u0440\u0435\u0452\u0435\u045a\u0435, \u0440\u0430\u0437\u0443\u043c\u0435\u0432\u0430\u045a\u0435 \u0440\u0430\u0437\u043b\u0438\u043a\u0430 \u043d\u0430\u0432\u0435\u0434\u0435\u043d\u0438\u0445 \u0443 <a href=\"https:\/\/www.chuxin-smt.com\/sr\/wave-soldering-vs-selective-soldering-pcb-assembly-guide\/\">\u0442\u0430\u043b\u0430\u0441\u043d\u0430 \u043b\u0435\u043c\u0459\u0435\u045a\u0430 \u043d\u0430\u0441\u0443\u043f\u0440\u043e\u0442 \u0441\u0435\u043b\u0435\u043a\u0442\u0438\u0432\u043d\u043e\u0433 \u043b\u0435\u043c\u0459\u0435\u045a\u0430<\/a> \u0458\u0435 \u0432\u0435\u043e\u043c\u0430 \u043a\u043e\u0440\u0438\u0441\u043d\u043e.<\/li>\n<li><strong>\u0415\u0444\u0438\u043a\u0430\u0441\u043d\u043e\u0441\u0442 \u043f\u0440\u043e\u0446\u0435\u0441\u0430 \u0438 \u0441\u043c\u0430\u045a\u0435\u045a\u0435 \u0442\u0440\u043e\u0448\u043a\u043e\u0432\u0430:<\/strong> \u0418\u0430\u043a\u043e \u0458\u0435 \u043f\u043e\u0447\u0435\u0442\u043d\u043e \u0443\u043b\u0430\u0433\u0430\u045a\u0435 \u0443 \u043e\u043f\u0440\u0435\u043c\u0443 \u0437\u0430 \u0441\u0435\u043b\u0435\u043a\u0442\u0438\u0432\u043d\u0443 \u043b\u0435\u043c\u0459\u0435\u045a\u0435 \u0437\u043d\u0430\u0447\u0430\u0458\u043d\u043e, \u043e\u043d\u043e \u0447\u0435\u0441\u0442\u043e \u043f\u0440\u0443\u0436\u0430 \u0432\u0438\u0441\u043e\u043a \u043f\u043e\u0432\u0440\u0430\u045b\u0430\u0458. \u041e\u043d\u0430 \u0430\u0443\u0442\u043e\u043c\u0430\u0442\u0438\u0437\u0443\u0458\u0435 \u043f\u0440\u043e\u0446\u0435\u0441 \u0440\u0443\u0447\u043d\u043e\u0433 \u043b\u0435\u043c\u0459\u0435\u045a\u0430 \u0441\u043b\u043e\u0436\u0435\u043d\u0438\u0445 \u043f\u043b\u043e\u0447\u0430 \u043a\u043e\u0458\u0438 \u0431\u0438 \u0438\u043d\u0430\u0447\u0435 \u0431\u0438\u043e \u0441\u043f\u043e\u0440, \u0441\u043a\u0443\u043f \u0438 \u043d\u0435\u043a\u043e\u043d\u0437\u0438\u0441\u0442\u0435\u043d\u0442\u0430\u043d. \u041f\u043e\u0440\u0435\u0434 \u0442\u043e\u0433\u0430, \u0443 \u043f\u043e\u0440\u0435\u0452\u0435\u045a\u0443 \u0441\u0430 \u0442\u0430\u043b\u0430\u0441\u0430\u0441\u0442\u0438\u043c \u043b\u0435\u043c\u0459\u0435\u045a\u0435\u043c, \u043e\u043d\u0430 \u043c\u0438\u043d\u0438\u043c\u0438\u0437\u0443\u0458\u0435 \u043f\u043e\u0442\u0440\u043e\u0448\u045a\u0443 \u043a\u0430\u043b\u0430\u0458\u0430 \u0438 \u0444\u043b\u0443\u043a\u0441\u0430, \u0441\u043c\u0430\u045a\u0443\u0458\u0443\u045b\u0438 \u043e\u0442\u043f\u0430\u0434 \u043c\u0430\u0442\u0435\u0440\u0438\u0458\u0430\u043b\u0430 \u0438 \u043e\u043f\u0435\u0440\u0430\u0442\u0438\u0432\u043d\u0435 \u0442\u0440\u043e\u0448\u043a\u043e\u0432\u0435.<\/li>\n<\/ul>\n<h3>\u041e\u0441\u043d\u043e\u0432\u043d\u0435 \u043f\u0440\u0438\u043c\u0435\u043d\u0435<\/h3>\n<p>\u041f\u043e\u0443\u0437\u0434\u0430\u043d\u043e\u0441\u0442 \u0438 \u043f\u0440\u0435\u0446\u0438\u0437\u043d\u043e\u0441\u0442 \u0441\u0435\u043b\u0435\u043a\u0442\u0438\u0432\u043d\u0435 \u043b\u0435\u043c\u0459\u0435\u045a\u0430 \u0443\u0447\u0438\u043d\u0438\u043b\u0438 \u0441\u0443 \u0433\u0430 \u0441\u0442\u0430\u043d\u0434\u0430\u0440\u0434\u043e\u043c \u0443 \u0438\u043d\u0434\u0443\u0441\u0442\u0440\u0438\u0458\u0430\u043c\u0430 \u0443 \u043a\u043e\u0458\u0438\u043c\u0430 \u043d\u0435\u0443\u0441\u043f\u0435\u0445 \u043d\u0438\u0458\u0435 \u043e\u043f\u0446\u0438\u0458\u0430:<\/p>\n<ul>\n<li><strong>\u0412\u0430\u0437\u0434\u0443\u0445\u043e\u043f\u043b\u043e\u0432\u0441\u0442\u0432\u043e \u0438 \u043e\u0434\u0431\u0440\u0430\u043d\u0430:<\/strong> \u0415\u043b\u0435\u043a\u0442\u0440\u043e\u043d\u0438\u043a\u0430 \u0443 \u0430\u0432\u0438\u043e\u043d\u0438\u0446\u0438, \u0441\u0438\u0441\u0442\u0435\u043c\u0438\u043c\u0430 \u0437\u0430 \u043d\u0430\u0432\u0438\u0433\u0430\u0446\u0438\u0458\u0443 \u0438 \u0432\u043e\u0458\u043d\u043e\u0458 \u043e\u043f\u0440\u0435\u043c\u0438 \u043c\u043e\u0440\u0430 \u0431\u0435\u0441\u043f\u0440\u0435\u043a\u043e\u0440\u043d\u043e \u0434\u0430 \u0444\u0443\u043d\u043a\u0446\u0438\u043e\u043d\u0438\u0448\u0435 \u0443 \u0435\u043a\u0441\u0442\u0440\u0435\u043c\u043d\u0438\u043c \u0443\u0441\u043b\u043e\u0432\u0438\u043c\u0430. \u0421\u0435\u043b\u0435\u043a\u0442\u0438\u0432\u043d\u043e \u043b\u0435\u043c\u0459\u0435\u045a\u0435 \u043e\u0431\u0435\u0437\u0431\u0435\u0452\u0443\u0458\u0435 \u0440\u043e\u0431\u0443\u0441\u043d\u0435 \u0432\u0435\u0437\u0435 \u043d\u0435\u043e\u043f\u0445\u043e\u0434\u043d\u0435 \u0437\u0430 \u043e\u0432\u0435 \u043a\u0440\u0438\u0442\u0438\u0447\u043d\u0435 \u043f\u0440\u0438\u043c\u0435\u043d\u0435 \u0432\u0438\u0441\u043e\u043a\u0435 \u043f\u043e\u0443\u0437\u0434\u0430\u043d\u043e\u0441\u0442\u0438.<\/li>\n<li><strong>\u041c\u0435\u0434\u0438\u0446\u0438\u043d\u0441\u043a\u0438 \u0443\u0440\u0435\u0452\u0430\u0458\u0438:<\/strong> \u0423 \u0443\u0440\u0435\u0452\u0430\u0458\u0438\u043c\u0430 \u0437\u0430 \u043e\u0434\u0440\u0436\u0430\u0432\u0430\u045a\u0435 \u0436\u0438\u0432\u043e\u0442\u0430 \u0438 \u0434\u0438\u0458\u0430\u0433\u043d\u043e\u0441\u0442\u0438\u0447\u043a\u043e\u043c \u043e\u043f\u0440\u0435\u043c\u0438 \u043a\u0430\u043e \u0448\u0442\u043e \u0441\u0443 \u043f\u0435\u0458\u0441\u043c\u0435\u0458\u043a\u0435\u0440\u0438, \u0438\u043d\u0444\u0443\u0437\u0438\u043e\u043d\u0435 \u043f\u0443\u043c\u043f\u0435 \u0438 \u0430\u043f\u0430\u0440\u0430\u0442\u0438 \u0437\u0430 \u043c\u0430\u0433\u043d\u0435\u0442\u043d\u0443 \u0440\u0435\u0437\u043e\u043d\u0430\u043d\u0446\u0443, \u0435\u043b\u0435\u043a\u0442\u0440\u043e\u043d\u0441\u043a\u0438 \u0438\u043d\u0442\u0435\u0433\u0440\u0438\u0442\u0435\u0442 \u0458\u0435 \u043e\u0434 \u043f\u0440\u0435\u0441\u0443\u0434\u043d\u0435 \u0432\u0430\u0436\u043d\u043e\u0441\u0442\u0438. \u041f\u0440\u043e\u0446\u0435\u0441 \u0433\u0430\u0440\u0430\u043d\u0442\u0443\u0458\u0435 \u043a\u0432\u0430\u043b\u0438\u0442\u0435\u0442 \u043c\u0438\u043d\u0438\u0458\u0430\u0442\u0443\u0440\u0438\u0437\u043e\u0432\u0430\u043d\u0438\u0445, \u0433\u0443\u0441\u0442\u0438\u0445 \u0448\u0442\u0430\u043c\u043f\u0430\u043d\u0438\u0445 \u043f\u043b\u043e\u0447\u0430 (PCB) \u043a\u043e\u0458\u0435 \u0441\u0435 \u043a\u043e\u0440\u0438\u0441\u0442\u0435 \u0443 \u043e\u0432\u0438\u043c \u0443\u0440\u0435\u0452\u0430\u0458\u0438\u043c\u0430.<\/li>\n<li><strong>\u0410\u0443\u0442\u043e\u043c\u043e\u0431\u0438\u043b\u0441\u043a\u0430 \u0435\u043b\u0435\u043a\u0442\u0440\u043e\u043d\u0438\u043a\u0430:<\/strong> 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\u043a\u043e\u043c\u043f\u043e\u043d\u0435\u043d\u0442\u0435.<\/li>\n<li><strong>\u041a\u0459\u0443\u0447\u043d\u0438 \u043f\u0430\u0440\u0430\u043c\u0435\u0442\u0440\u0438:<\/strong>\n<ul>\n<li><strong>\u041f\u0440\u043e\u0442\u043e\u043a, \u0437\u0430\u043f\u0440\u0435\u043c\u0438\u043d\u0430 \u0438 \u0442\u0430\u0447\u043d\u043e\u0441\u0442:<\/strong> \u041f\u0440\u0438\u043c\u0435\u043d\u0430 \u0442\u0430\u0447\u043d\u0435 \u043a\u043e\u043b\u0438\u0447\u0438\u043d\u0435 \u0444\u043b\u0443\u043a\u0441\u0430 \u0458\u0435 \u043f\u0440\u0435\u0441\u0443\u0434\u043d\u0430. \u041f\u0440\u0435\u043c\u0430\u043b\u043e \u043c\u043e\u0436\u0435 \u0434\u043e\u0432\u0435\u0441\u0442\u0438 \u0434\u043e \u043b\u043e\u0448\u0435\u0433 \u043f\u0440\u0438\u0430\u045a\u0430\u045a\u0430 \u0438 \u0434\u0435\u0444\u0435\u043a\u0430\u0442\u0430 \u043a\u0430\u043e \u0448\u0442\u043e \u0458\u0435 \u043f\u0440\u0435\u043c\u043e\u0448\u045b\u0430\u0432\u0430\u045a\u0435, \u0434\u043e\u043a \u043f\u0440\u0435\u0432\u0438\u0448\u0435 \u043c\u043e\u0436\u0435 \u043e\u0441\u0442\u0430\u0432\u0438\u0442\u0438 \u043a\u043e\u0440\u043e\u0437\u0438\u0432\u043d\u0435 \u043e\u0441\u0442\u0430\u0442\u043a\u0435 \u043a\u043e\u0458\u0438 \u043c\u043e\u0433\u0443 \u043e\u043c\u0435\u0442\u0430\u0442\u0438 \u0442\u0435\u0441\u0442\u0438\u0440\u0430\u045a\u0435 \u043f\u043b\u043e\u0447\u0435 \u0438\u043b\u0438 \u0438\u0437\u0430\u0437\u0432\u0430\u0442\u0438 \u0434\u0443\u0433\u043e\u0440\u043e\u0447\u043d\u0435 \u043f\u0440\u043e\u0431\u043b\u0435\u043c\u0435 \u043f\u043e\u0443\u0437\u0434\u0430\u043d\u043e\u0441\u0442\u0438.<\/li>\n<li><strong>\u0422\u0438\u043f \u0444\u043b\u0443\u043a\u0441\u0430:<\/strong> \u0418\u0437\u0431\u043e\u0440 \u0444\u043b\u0443\u043a\u0441\u0430 \u0443\u0442\u0438\u0447\u0435 \u043d\u0430 \u043f\u0435\u0440\u0444\u043e\u0440\u043c\u0430\u043d\u0441\u0435, \u043f\u043e\u0443\u0437\u0434\u0430\u043d\u043e\u0441\u0442 \u0438 \u0431\u0435\u0437\u0431\u0435\u0434\u043d\u043e\u0441\u0442 \u0436\u0438\u0432\u043e\u0442\u043d\u0435 \u0441\u0440\u0435\u0434\u0438\u043d\u0435. \u041d\u0430 \u043f\u0440\u0438\u043c\u0435\u0440, \u043a\u043e\u0440\u0438\u0448\u045b\u0435\u045a\u0435 <a href=\"https:\/\/www.chuxin-smt.com\/sr\/slug-voc-free-flux-a-guide-to-safer-and-sustainable-electronics-manufacturing\/\">\u0424\u043b\u0443\u043a\u0441 \u0431\u0435\u0437 \u0412\u041e\u0425<\/a> \u043c\u043e\u0436\u0435 \u043f\u043e\u043c\u043e\u045b\u0438 \u043f\u0440\u043e\u0438\u0437\u0432\u043e\u0452\u0430\u0447\u0438\u043c\u0430 \u0434\u0430 \u0438\u0441\u043f\u0443\u043d\u0435 \u0446\u0438\u0459\u0435\u0432\u0435 \u043e\u0434\u0440\u0436\u0438\u0432\u043e\u0441\u0442\u0438 \u0431\u0435\u0437 \u043a\u043e\u043c\u043f\u0440\u043e\u043c\u0438\u0442\u043e\u0432\u0430\u045a\u0430 \u043a\u0432\u0430\u043b\u0438\u0442\u0435\u0442\u0430.<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<h4>2. \u041f\u0440\u0435\u0434\u0433\u0440\u0435\u0432\u0430\u045a\u0435<\/h4>\n<p>Once fluxed, the PCB assembly proceeds to the preheating stage. The main goals of preheating are to activate the flux and to gradually raise the board&#8217;s temperature to prevent <a href=\"https:\/\/www.chuxin-smt.com\/sr\/slug-mastering-advanced-soldering-how-to-eliminate-thermal-shock-and-boost-roi\/\">thermal shock<\/a> when the molten solder, which is at a much higher temperature, is applied. This controlled heating minimizes stress on the PCB material and its components.<\/p>\n<ul>\n<li><strong>\u041c\u0435\u0442\u043e\u0434\u0435:<\/strong> Preheating is typically achieved with convection heating (circulating hot air) or infrared (IR) heaters. Convection heating is often preferred for its ability to heat the assembly uniformly, regardless of component size or color.<\/li>\n<li><strong>\u041a\u0459\u0443\u0447\u043d\u0438 \u043f\u0430\u0440\u0430\u043c\u0435\u0442\u0440\u0438:<\/strong>\n<ul>\n<li><strong>Ramp-Up Rate:<\/strong> The temperature must increase at a controlled rate (e.g., 1-2\u00b0C per second) to prevent stress fractures in components or warping of the board.<\/li>\n<li><strong>Soak Temperature and Time:<\/strong> The assembly is held at a target preheat temperature for a specific duration (the &#8220;soak&#8221; time) to ensure the entire board is uniformly heated and the flux is fully activated.<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<h4>3. Soldering<\/h4>\n<p>This is the definitive stage where molten solder is applied to the targeted joints. In selective soldering, a miniature, localized solder wave is created by a specialized nozzle. The PCB is moved over this &#8220;solder fountain&#8221; to solder the targeted leads with precision.<\/p>\n<ul>\n<li><strong>\u041c\u0435\u0442\u043e\u0434\u0435:<\/strong> The size and shape of the solder nozzle are carefully chosen based on the component type and board layout. For insights on how this wave is controlled, see our guide on <a href=\"https:\/\/www.chuxin-smt.com\/sr\/slug-a-deep-dive-into-solder-wave-dynamics\/\">\u0434\u0438\u043d\u0430\u043c\u0438\u043a\u0430 \u043b\u0435\u043c\u043d\u0435 \u0442\u0430\u043b\u0430\u0441\u0435<\/a>.<\/li>\n<li><strong>\u041a\u0459\u0443\u0447\u043d\u0438 \u043f\u0430\u0440\u0430\u043c\u0435\u0442\u0440\u0438:<\/strong>\n<ul>\n<li><strong>Solder Temperature:<\/strong> The solder must be hot enough for good flow and wetting but not so hot that it damages the component or the board.<\/li>\n<li><strong>Contact Time:<\/strong> The duration the joint is in contact with the solder (dwell time) is critical. It must be long enough for the solder to fill the through-hole and form a proper fillet but short enough to prevent overheating.<\/li>\n<li><strong>Solder Wave Height:<\/strong> The height of the solder wave must be precisely controlled to ensure consistent contact and prevent defects. Optimizing the nozzle is key and can greatly <a href=\"https:\/\/www.chuxin-smt.com\/sr\/improve-selective-wave-soldering-nozzle-performance-tips\/\">improve performance<\/a>.<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>After soldering, the board cools in a controlled manner to solidify the joints. The final step is a thorough inspection to identify any potential <a href=\"https:\/\/www.chuxin-smt.com\/sr\/analysis-repair-common-selective-soldering-defects\/\">defects<\/a>, ensuring the final product meets stringent quality and reliability standards.<\/p>\n<h2>Mastering the Art: Key Considerations and Quality Control<\/h2>\n<p>Achieving consistently high-quality results with selective soldering requires more than just advanced machinery; it demands a mastery of the process, rigorous attention to detail, and robust quality control systems. By adhering to best practices and proactively addressing common challenges, manufacturers can unlock the full potential of this powerful soldering technology.<\/p>\n<h3>Best Practices for Robust Selective Soldering<\/h3>\n<p>To ensure reliable and repeatable outcomes, several best practices are essential. First, comprehensive training for machine operators is paramount. A skilled operator who understands the subtle interplay between flux, heat, and solder can dramatically reduce defects and optimize production efficiency. Equally critical is the selection and application of flux. Using the right type of flux ensures proper wetting and helps prevent common defects like solder balls and bridges. For manufacturers focused on sustainability, a <a href=\"https:\/\/www.chuxin-smt.com\/sr\/slug-voc-free-flux-a-guide-to-safer-and-sustainable-electronics-manufacturing\/\">\u0424\u043b\u0443\u043a\u0441 \u0431\u0435\u0437 \u0412\u041e\u0425<\/a> is an excellent choice that aligns environmental responsibility with high performance.<\/p>\n<p>Furthermore, precise thermal profiling is a cornerstone of successful selective soldering. Preheating the PCB to its optimal temperature before soldering is vital to prevent <a href=\"https:\/\/www.chuxin-smt.com\/sr\/slug-mastering-advanced-soldering-how-to-eliminate-thermal-shock-and-boost-roi\/\">thermal shock<\/a>, which can crack components and compromise board integrity. An accurate thermal profile ensures solder flows correctly and solidifies into a strong joint. In many high-reliability applications, introducing a nitrogen atmosphere during soldering can significantly enhance joint quality. Nitrogen displaces oxygen, preventing oxidation of the molten solder and leading to superior wetting and shinier, more reliable joints. <a href=\"http:\/\/paginas.fe.up.pt\/~mbs\/niab\/pg\/is_selective_soldering_with_nitrogen_worth_it.pdf\">[Source: IS Selective Soldering with Nitrogen Worth It?]<\/a>.<\/p>\n<h3>\u0423\u043e\u0431\u0438\u0447\u0430\u0458\u0435\u043d\u0438 \u0438\u0437\u0430\u0437\u043e\u0432\u0438 \u0438 \u0440\u0435\u0448\u0435\u045a\u0430<\/h3>\n<p>Despite its precision, selective soldering presents unique challenges. Common defects include solder bridging, solder balling, and pinholes.<\/p>\n<ul>\n<li><strong>Solder Bridging:<\/strong> This occurs when solder creates an unintended electrical connection between adjacent pins. It can often be resolved by optimizing soldering parameters like nozzle-to-board distance, contact time, and peel-off direction. For a deeper look at solutions, consult our guide to <a href=\"https:\/\/www.chuxin-smt.com\/sr\/analysis-repair-common-selective-soldering-defects\/\">analyzing and repairing common selective soldering defects<\/a>.<\/li>\n<li><strong>Solder Balling:<\/strong> The formation of tiny spheres of solder on the board surface is often caused by moisture on the PCB or improper flux application (e.g., too much flux spattering). Meticulous preheating to bake out moisture and precise flux control are key preventive measures.<\/li>\n<li><strong>Pinholes and Voids:<\/strong> These small holes within the solder joint can weaken its structural integrity. They are typically caused by gas (from flux or moisture) becoming trapped during solder solidification. Optimizing the thermal profile to allow for proper outgassing of the PCB before soldering can minimize this issue.<\/li>\n<\/ul>\n<h3>Essential Quality Control Measures<\/h3>\n<p>To guarantee the reliability of every board, robust quality control is non-negotiable.<\/p>\n<ul>\n<li><strong>Automated Optical Inspection (AOI):<\/strong> AOI systems are widely used to rapidly scan PCBs post-soldering, using cameras to detect surface-level defects like bridges, insufficient solder, and component misalignment.<\/li>\n<li><strong>Automated X-ray Inspection (AXI):<\/strong> For more complex or high-density assemblies where joints may be hidden (e.g., under BGA components adjacent to through-hole parts), AXI is employed. X-rays can penetrate the board and components to inspect the internal structure of the solder joint, detecting hidden voids or cracks that AOI cannot see.<\/li>\n<\/ul>\n<p>Finally, regular and proactive machine maintenance is a critical part of quality control. This includes routinely cleaning solder nozzles to prevent clogging, checking the solder pot for impurities, and calibrating the machine\u2019s motion and thermal systems. By combining these rigorous quality measures with best practices, manufacturers can produce reliable products and fully optimize their soldering operations. For a broader context, our article comparing <a href=\"https:\/\/www.chuxin-smt.com\/sr\/wave-soldering-vs-selective-soldering-pcb-assembly-guide\/\">\u0442\u0430\u043b\u0430\u0441\u043d\u0430 \u043b\u0435\u043c\u0459\u0435\u045a\u0430 \u043d\u0430\u0441\u0443\u043f\u0440\u043e\u0442 \u0441\u0435\u043b\u0435\u043a\u0442\u0438\u0432\u043d\u043e\u0433 \u043b\u0435\u043c\u0459\u0435\u045a\u0430<\/a> offers further valuable insights.<\/p>\n<p>&nbsp;<\/p>","protected":false},"excerpt":{"rendered":"<p>Selective Soldering: More Than Just a Solder Joint Selective soldering is a sophisticated, automated soldering process designed to target specific [&hellip;]<\/p>","protected":false},"author":1,"featured_media":3387,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","theme-transparent-header-meta":"default","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"set","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}}},"categories":[1],"tags":[],"class_list":["post-3388","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-company-news"],"acf":[],"_links":{"self":[{"href":"https:\/\/www.chuxin-smt.com\/sr\/wp-json\/wp\/v2\/posts\/3388","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.chuxin-smt.com\/sr\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.chuxin-smt.com\/sr\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.chuxin-smt.com\/sr\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.chuxin-smt.com\/sr\/wp-json\/wp\/v2\/comments?post=3388"}],"version-history":[{"count":0,"href":"https:\/\/www.chuxin-smt.com\/sr\/wp-json\/wp\/v2\/posts\/3388\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.chuxin-smt.com\/sr\/wp-json\/wp\/v2\/media\/3387"}],"wp:attachment":[{"href":"https:\/\/www.chuxin-smt.com\/sr\/wp-json\/wp\/v2\/media?parent=3388"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.chuxin-smt.com\/sr\/wp-json\/wp\/v2\/categories?post=3388"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.chuxin-smt.com\/sr\/wp-json\/wp\/v2\/tags?post=3388"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}