{"id":2957,"date":"2025-09-05T09:59:58","date_gmt":"2025-09-05T01:59:58","guid":{"rendered":"https:\/\/www.chuxin-smt.com\/solving-cold-joints-in-reflow-soldering-expert-tips\/"},"modified":"2026-01-22T07:00:52","modified_gmt":"2026-01-21T23:00:52","slug":"solving-cold-joints-in-reflow-soldering-expert-tips","status":"publish","type":"post","link":"https:\/\/www.chuxin-smt.com\/ar\/solving-cold-joints-in-reflow-soldering-expert-tips\/","title":{"rendered":"\u062d\u0644 \u0627\u0644\u0648\u0635\u0644\u0627\u062a \u0627\u0644\u0628\u0627\u0631\u062f\u0629 \u0641\u064a \u0625\u0639\u0627\u062f\u0629 \u062a\u062f\u0641\u0642 \u0627\u0644\u0644\u062d\u0627\u0645: \u0646\u0635\u0627\u0626\u062d \u0627\u0644\u062e\u0628\u0631\u0627\u0621"},"content":{"rendered":"<p><figure class=\"wp-block-image alignnone\"><img decoding=\"async\" src=\"https:\/\/www.chuxin-smt.com\/wp-content\/uploads\/2025\/09\/1757037596-e4a2cfc941724c1e8647e0d8f0fc66bf.webp\" alt=\"Solving Cold Joints in Reflow Soldering: Expert Tips\" ><\/figure>\n<\/p>\n<p>\u064a\u062a\u0637\u0644\u0628 \u062d\u0644 \u0627\u0644\u0648\u0635\u0644\u0627\u062a \u0627\u0644\u0628\u0627\u0631\u062f\u0629 \u0641\u064a \u0644\u062d\u0627\u0645 \u0625\u0639\u0627\u062f\u0629 \u0627\u0644\u062a\u062f\u0641\u0642 \u0625\u062c\u0631\u0627\u0621\u064b \u0641\u0648\u0631\u064a\u064b\u0627 \u0648\u062a\u0642\u0646\u064a\u0629 \u062f\u0642\u064a\u0642\u0629. \u062a\u062a\u0634\u0643\u0644 \u0627\u0644\u0648\u0635\u0644\u0629 \u0627\u0644\u0628\u0627\u0631\u062f\u0629 \u0639\u0646\u062f\u0645\u0627 \u064a\u0641\u0634\u0644 \u0627\u0644\u0644\u062d\u0627\u0645 \u0641\u064a \u0627\u0644\u0631\u0628\u0637 \u0628\u0634\u0643\u0644 \u0635\u062d\u064a\u062d\u060c \u0645\u0645\u0627 \u064a\u0624\u062f\u064a \u0625\u0644\u0649 \u0636\u0639\u0641 \u0627\u0644\u062a\u0648\u0635\u064a\u0644\u0627\u062a \u0627\u0644\u0643\u0647\u0631\u0628\u0627\u0626\u064a\u0629. \u064a\u0632\u064a\u062f \u0647\u0630\u0627 \u0627\u0644\u0639\u064a\u0628 \u0645\u0646 \u0645\u0639\u062f\u0644\u0627\u062a \u0627\u0644\u0641\u0634\u0644 \u0648\u0625\u062c\u0647\u0627\u062f\u0627\u062a \u0627\u0644\u062a\u0642\u0634\u064a\u0631\u060c \u062e\u0627\u0635\u0629\u064b \u0641\u064a \u062f\u0631\u062c\u0627\u062a \u0627\u0644\u062d\u0631\u0627\u0631\u0629 \u0645\u0646 -10 \u062f\u0631\u062c\u0629 \u0645\u0626\u0648\u064a\u0629 \u0625\u0644\u0649 110 \u062f\u0631\u062c\u0629 \u0645\u0626\u0648\u064a\u0629\u060c \u0643\u0645\u0627 \u0647\u0648 \u0645\u0648\u0636\u062d \u0623\u062f\u0646\u0627\u0647:<\/p>\n<p>| Temperature Range (\u00b0C) | Solder Joint Failures | Peeling Stresses | Plastic Shear Strain |<br \/>\n| &#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;- | &#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212; | &#8212;&#8212;&#8212;&#8212;&#8212;- | &#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8211; |<br \/>\n| -10 to 110            | High                  | High             | Low                  |<\/p>\n<p>\u0627\u0644\u062a\u062d\u062f\u064a\u062f \u0627\u0644\u0633\u0631\u064a\u0639 \u0648\u0627\u0644\u062d\u0644\u0648\u0644 \u0627\u0644\u0641\u0639\u0627\u0644\u0629 \u062a\u062d\u0645\u064a \u0645\u0648\u062b\u0648\u0642\u064a\u0629 \u0627\u0644\u062a\u062c\u0645\u064a\u0639. \u062a\u0633\u0627\u0639\u062f \u0646\u0635\u0627\u0626\u062d \u0627\u0644\u062e\u0628\u0631\u0627\u0621 \u0641\u064a \u0645\u0646\u0639 \u0647\u0630\u0647 \u0627\u0644\u0639\u064a\u0648\u0628 \u0648\u0625\u0635\u0644\u0627\u062d\u0647\u0627 \u0645\u0646 \u0623\u062c\u0644 \u0623\u062f\u0627\u0621 \u062f\u0627\u0626\u0645.<\/p>\n<h2 id=\"keytakeaways\">\u0627\u0644\u0648\u062c\u0628\u0627\u062a \u0627\u0644\u0631\u0626\u064a\u0633\u064a\u0629<\/h2>\n<ul>\n<li>\u062a\u062d\u062f\u062b \u0627\u0644\u0648\u0635\u0644\u0627\u062a \u0627\u0644\u0628\u0627\u0631\u062f\u0629 \u0639\u0646\u062f\u0645\u0627 \u064a\u0641\u0634\u0644 \u0627\u0644\u0644\u062d\u0627\u0645 \u0641\u064a \u0627\u0644\u0631\u0628\u0637 \u0628\u0634\u0643\u0644 \u0635\u062d\u064a\u062d\u060c \u0645\u0645\u0627 \u064a\u0624\u062f\u064a \u0625\u0644\u0649 \u0636\u0639\u0641 \u0627\u0644\u062a\u0648\u0635\u064a\u0644\u0627\u062a \u0627\u0644\u0643\u0647\u0631\u0628\u0627\u0626\u064a\u0629. \u064a\u0639\u062f \u062a\u062d\u062f\u064a\u062f\u0647\u0627 \u0645\u0628\u0643\u0631\u064b\u0627 \u0623\u0645\u0631\u064b\u0627 \u0628\u0627\u0644\u063a \u0627\u0644\u0623\u0647\u0645\u064a\u0629 \u0644\u0645\u0648\u062b\u0648\u0642\u064a\u0629 \u0627\u0644\u062c\u0647\u0627\u0632.<\/li>\n<li>\u062a\u0623\u0643\u062f \u0645\u0646 <a href=\"https:\/\/www.chuxin-smt.com\/ar\/reflow-soldering-cooling-system-importance-optimization\/\">\u0627\u0644\u062a\u0646\u0645\u064a\u0637 \u0627\u0644\u062d\u0631\u0627\u0631\u064a \u0627\u0644\u0645\u0646\u0627\u0633\u0628<\/a> during reflow soldering. Set temperatures at least 15\u00b0C above the solder alloy\u2019s melting point to prevent cold joints.<\/li>\n<li>\u0627\u0644\u0627\u0633\u062a\u062e\u062f\u0627\u0645 <a href=\"https:\/\/www.chuxin-smt.com\/ar\/improve-wave-soldering-quality-5-effective-methods\/\">\u0645\u0639\u062c\u0648\u0646 \u0644\u062d\u0627\u0645 \u0639\u0627\u0644\u064a \u0627\u0644\u062c\u0648\u062f\u0629<\/a> \u0648\u0627\u0644\u062d\u0641\u0627\u0638 \u0639\u0644\u0649 \u0646\u0638\u0627\u0641\u0629 \u0627\u0644\u0623\u0633\u0637\u062d. \u064a\u0645\u0643\u0646 \u0623\u0646 \u062a\u0639\u064a\u0642 \u0627\u0644\u0645\u0644\u0648\u062b\u0627\u062a \u062a\u062f\u0641\u0642 \u0627\u0644\u0644\u062d\u0627\u0645\u060c \u0645\u0645\u0627 \u064a\u0624\u062f\u064a \u0625\u0644\u0649 \u062d\u062f\u0648\u062b \u0639\u064a\u0648\u0628.<\/li>\n<li>\u0627\u0641\u062d\u0635 \u0648\u0635\u0644\u0627\u062a \u0627\u0644\u0644\u062d\u0627\u0645 \u0628\u0627\u0646\u062a\u0638\u0627\u0645 \u0628\u0635\u0631\u064a\u064b\u0627 \u0648\u0628\u0648\u0627\u0633\u0637\u0629 \u0645\u0642\u064a\u0627\u0633 \u0645\u062a\u0639\u062f\u062f. \u0627\u0628\u062d\u062b \u0639\u0646 \u0627\u0644\u0623\u0633\u0637\u062d \u0627\u0644\u0628\u0627\u0647\u062a\u0629 \u0623\u0648 \u0627\u0644\u0645\u0642\u0627\u0648\u0645\u0629 \u0627\u0644\u0639\u0627\u0644\u064a\u0629 \u0644\u0644\u062a\u0623\u0643\u062f \u0645\u0646 \u0633\u0644\u0627\u0645\u0629 \u0627\u0644\u0648\u0635\u0644\u0629.<\/li>\n<li>\u062a\u0646\u0641\u064a\u0630 \u0642\u0627\u0626\u0645\u0629 \u0645\u0631\u0627\u062c\u0639\u0629 \u0645\u0646\u0638\u0645\u0629 \u0644\u0643\u0644 \u0645\u0646 \u0627\u0644\u0648\u0642\u0627\u064a\u0629 \u0645\u0646 \u0627\u0644\u0648\u0635\u0644\u0627\u062a \u0627\u0644\u0628\u0627\u0631\u062f\u0629 \u0648\u0625\u0635\u0644\u0627\u062d\u0647\u0627. \u062a\u0624\u062f\u064a \u0627\u0644\u0645\u0645\u0627\u0631\u0633\u0627\u062a \u0627\u0644\u0645\u062a\u0633\u0642\u0629 \u0625\u0644\u0649 \u0646\u062a\u0627\u0626\u062c \u0644\u062d\u0627\u0645 \u0623\u0641\u0636\u0644.<\/li>\n<\/ul>\n<h2 id=\"coldjointsoverview\">\u0646\u0638\u0631\u0629 \u0639\u0627\u0645\u0629 \u0639\u0644\u0649 \u0627\u0644\u0645\u0641\u0627\u0635\u0644 \u0627\u0644\u0628\u0627\u0631\u062f\u0629<\/h2>\n<h3 id=\"definition\">\u0627\u0644\u062a\u0639\u0631\u064a\u0641<\/h3>\n<p>\u062a\u0645\u062b\u0644 \u0627\u0644\u0648\u0635\u0644\u0627\u062a \u0627\u0644\u0628\u0627\u0631\u062f\u0629 \u0639\u064a\u0628\u064b\u0627 \u0634\u0627\u0626\u0639\u064b\u0627 \u0641\u064a \u0639\u0645\u0644\u064a\u0629 \u0644\u062d\u0627\u0645 \u0625\u0639\u0627\u062f\u0629 \u0627\u0644\u062a\u062f\u0641\u0642. \u064a\u062a\u0639\u0631\u0641 \u0627\u0644\u0641\u0646\u064a\u0648\u0646 \u0639\u0644\u0649 \u0647\u0630\u0647 \u0627\u0644\u0648\u0635\u0644\u0627\u062a \u0645\u0646 \u062e\u0644\u0627\u0644 <a href=\"https:\/\/hakko.com.sg\/blogs\/tune-in-with-hakko\/common-soldering-problems-cold-joint\">\u0645\u0638\u0647\u0631 \u0645\u0634\u0648\u0647 \u0648\u0645\u0628\u064a\u0636 \u0648\u0623\u062d\u064a\u0627\u0646\u0627\u064b \u0645\u0646\u062a\u0641\u062e<\/a>. \u062a\u0635\u0641 \u0645\u0639\u0627\u064a\u064a\u0631 IPC \u0627\u0644\u0639\u062f\u064a\u062f \u0645\u0646 \u0627\u0644\u062e\u0635\u0627\u0626\u0635 \u0627\u0644\u062a\u064a \u062a\u0633\u0627\u0639\u062f \u0641\u064a \u062a\u0645\u064a\u064a\u0632\u0647\u0627 \u0639\u0646 \u063a\u064a\u0631\u0647\u0627 \u0645\u0646 <a href=\"https:\/\/www.chuxin-smt.com\/ar\/differences-between-smt-reflow-soldering-and-wave-soldering\/\">\u0645\u0634\u0643\u0644\u0627\u062a \u0627\u0644\u0644\u062d\u0627\u0645<\/a>:<\/p>\n<ul>\n<li>\u063a\u0627\u0644\u0628\u0627\u064b \u0645\u0627 \u064a\u0628\u062f\u0648 \u0633\u0637\u062d \u0627\u0644\u0645\u0641\u0635\u0644 \u0628\u0627\u0647\u062a\u0627\u064b \u0623\u0648 \u062e\u0634\u0646\u0627\u064b.<\/li>\n<li>\u0642\u062f \u064a\u062d\u062f\u062b \u062a\u0648\u0631\u0645 \u0623\u0648 \u0627\u0646\u062a\u0641\u0627\u062e \u0641\u064a \u0648\u0635\u0644\u0629 \u0627\u0644\u0644\u062d\u0627\u0645.<\/li>\n<li>\u064a\u0645\u0643\u0646 \u0623\u0646 \u062a\u0634\u0628\u0647 \u0627\u0644\u0645\u0641\u0627\u0635\u0644 \u0627\u0644\u0628\u0627\u0631\u062f\u0629 \u0627\u0644\u0645\u0641\u0627\u0635\u0644 \u0627\u0644\u0645\u0636\u0637\u0631\u0628\u0629\u060c \u0648\u0644\u0643\u0646\u0647\u0627 \u062a\u0646\u062a\u062c \u0639\u0646 \u0623\u0633\u0628\u0627\u0628 \u0645\u062e\u062a\u0644\u0641\u0629.<\/li>\n<\/ul>\n<p>\u062a\u062a\u0634\u0643\u0644 \u0648\u0635\u0644\u0629 \u0627\u0644\u0644\u062d\u0627\u0645 \u0627\u0644\u0628\u0627\u0631\u062f\u0629 \u0639\u0646\u062f\u0645\u0627 \u064a\u0641\u0634\u0644 \u0627\u0644\u0644\u062d\u0627\u0645 \u0641\u064a \u0627\u0644\u0630\u0648\u0628\u0627\u0646 \u0627\u0644\u0643\u0627\u0645\u0644 \u0648\u0644\u0627 \u064a\u0631\u062a\u0628\u0637 \u0628\u0634\u0643\u0644 \u0635\u062d\u064a\u062d \u0645\u0639 \u0627\u0644\u0644\u0648\u062d\u0629 \u0623\u0648 \u0631\u0635\u0627\u0635 \u0627\u0644\u0645\u0643\u0648\u0646. \u064a\u0632\u064a\u062f \u0647\u0630\u0627 \u0627\u0644\u0630\u0648\u0628\u0627\u0646 \u063a\u064a\u0631 \u0627\u0644\u0643\u0627\u0645\u0644 \u0645\u0646 \u0627\u0644\u0645\u0642\u0627\u0648\u0645\u0629 \u0627\u0644\u0643\u0647\u0631\u0628\u0627\u0626\u064a\u0629 \u0648\u064a\u0642\u0644\u0644 \u0645\u0646 \u0645\u0648\u062b\u0648\u0642\u064a\u0629 \u0627\u0644\u062a\u0648\u0635\u064a\u0644. \u062a\u0634\u0645\u0644 \u0627\u0644\u0623\u0633\u0628\u0627\u0628 \u0627\u0644\u0634\u0627\u0626\u0639\u0629 \u0639\u062f\u0645 \u0643\u0641\u0627\u064a\u0629 \u0627\u0644\u062d\u0631\u0627\u0631\u0629 \u0623\u062b\u0646\u0627\u0621 \u0625\u0639\u0627\u062f\u0629 \u0627\u0644\u062a\u062f\u0641\u0642\u060c \u0623\u0648 \u0625\u0639\u062f\u0627\u062f\u0627\u062a \u062f\u0631\u062c\u0629 \u0627\u0644\u062d\u0631\u0627\u0631\u0629 \u063a\u064a\u0631 \u0627\u0644\u0645\u0646\u0627\u0633\u0628\u0629\u060c \u0623\u0648 \u0627\u0644\u0627\u0636\u0637\u0631\u0627\u0628\u0627\u062a \u0623\u062b\u0646\u0627\u0621 \u062a\u0628\u0631\u064a\u062f \u0627\u0644\u0644\u062d\u0627\u0645. \u064a\u0645\u0643\u0646 \u0644\u0644\u0641\u0646\u064a\u064a\u0646 \u0627\u0633\u062a\u062e\u062f\u0627\u0645 \u0627\u0644\u0641\u062d\u0635 \u0627\u0644\u0628\u0635\u0631\u064a \u0644\u0627\u0643\u062a\u0634\u0627\u0641 \u0627\u0644\u0623\u0633\u0637\u062d \u0627\u0644\u0645\u062d\u062f\u0628\u0629 \u0627\u0644\u0628\u0627\u0647\u062a\u0629 \u0648\u0627\u0644\u0645\u062d\u062f\u0628\u0629 \u0648\u0627\u062e\u062a\u0628\u0627\u0631 \u0627\u0644\u0645\u0642\u064a\u0627\u0633 \u0627\u0644\u0645\u062a\u0639\u062f\u062f \u0644\u0627\u0643\u062a\u0634\u0627\u0641 \u0627\u0644\u0645\u0642\u0627\u0648\u0645\u0629 \u0627\u0644\u0645\u062a\u0632\u0627\u064a\u062f\u0629.<\/p>\n<blockquote>\n<p><strong>\u0646\u0635\u064a\u062d\u0629:<\/strong> Always set the reflow temperature at least 15\u00b0C above the solder alloy\u2019s melting point to minimize the risk of cold joints.<\/p>\n<\/blockquote>\n<h3 id=\"whytheymatter\">\u0633\u0628\u0628 \u0623\u0647\u0645\u064a\u062a\u0647\u0627<\/h3>\n<p>\u062a\u0634\u0643\u0644 \u0627\u0644\u0648\u0635\u0644\u0627\u062a \u0627\u0644\u0628\u0627\u0631\u062f\u0629 \u0645\u062e\u0627\u0637\u0631 \u062c\u0633\u064a\u0645\u0629 \u0639\u0644\u0649 \u0627\u0644\u062a\u062c\u0645\u064a\u0639\u0627\u062a \u0627\u0644\u0625\u0644\u0643\u062a\u0631\u0648\u0646\u064a\u0629. \u064a\u0645\u0643\u0646 \u0623\u0646 \u062a\u0624\u062f\u064a \u0647\u0630\u0647 \u0627\u0644\u0639\u064a\u0648\u0628 \u0625\u0644\u0649 <a href=\"https:\/\/www.anzer-usa.com\/resources\/cold-solder-joints\/\">\u0627\u0644\u0627\u062a\u0635\u0627\u0644 \u0627\u0644\u0645\u062a\u0642\u0637\u0639<\/a>\u0645\u0645\u0627 \u064a\u062a\u0633\u0628\u0628 \u0641\u064a \u062a\u0635\u0631\u0641 \u0627\u0644\u0623\u062c\u0647\u0632\u0629 \u0628\u0634\u0643\u0644 \u063a\u064a\u0631 \u0645\u062a\u0648\u0642\u0639 \u0623\u0648 \u0625\u064a\u0642\u0627\u0641 \u062a\u0634\u063a\u064a\u0644\u0647\u0627 \u062f\u0648\u0646 \u0633\u0627\u0628\u0642 \u0625\u0646\u0630\u0627\u0631. <a href=\"https:\/\/www.pcbdirectory.com\/community\/what-is-a-cold-solder-joint\">\u0632\u064a\u0627\u062f\u0629 \u0627\u0644\u0645\u0642\u0627\u0648\u0645\u0629 \u0627\u0644\u0643\u0647\u0631\u0628\u0627\u0626\u064a\u0629<\/a> \u0641\u064a \u0627\u0644\u0645\u0641\u0635\u0644 \u0642\u062f \u064a\u0624\u062f\u064a \u0625\u0644\u0649 \u0627\u0631\u062a\u0641\u0627\u0639 \u062f\u0631\u062c\u0629 \u0627\u0644\u062d\u0631\u0627\u0631\u0629\u060c \u0645\u0645\u0627 \u064a\u0636\u0631 \u0628\u0627\u0644\u0645\u0643\u0648\u0646\u0627\u062a \u0648\u064a\u0647\u062f\u062f \u0633\u0644\u0627\u0645\u0629 \u0627\u0644\u062c\u0647\u0627\u0632. \u0643\u0645\u0627 \u0623\u0646 \u0627\u0644\u0636\u0639\u0641 \u0627\u0644\u0645\u064a\u0643\u0627\u0646\u064a\u0643\u064a \u064a\u062c\u0639\u0644 \u0647\u0630\u0647 \u0627\u0644\u0648\u0635\u0644\u0627\u062a \u0639\u0631\u0636\u0629 \u0644\u0644\u062a\u0634\u0642\u0642 \u0623\u0648 \u0627\u0644\u0643\u0633\u0631 \u062a\u062d\u062a \u0627\u0644\u0636\u063a\u0637.<\/p>\n<p>\u064a\u0644\u062e\u0635 \u0627\u0644\u062c\u062f\u0648\u0644 \u0623\u062f\u0646\u0627\u0647 \u0627\u0644\u0646\u062a\u0627\u0626\u062c \u0627\u0644\u0631\u0626\u064a\u0633\u064a\u0629:<\/p>\n<p>| Consequence                     | Description                                                                                                      |<br \/>\n| &#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;- | &#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;- |<br \/>\n| Intermittent Connectivity       | Devices may turn off or malfunction due to unreliable connections.                                               |<br \/>\n| Increased Electrical Resistance | Voltage drops and overheating can occur, raising power consumption and damaging parts.                           |<br \/>\n| Signal Degradation              | Sensitive circuits may experience noise, distortion, or signal loss.                                             |<br \/>\n| Device Failures                 | Over time, cold joints can deteriorate, leading to complete device failure, especially in critical applications. |<\/p>\n<p>\u0643\u0645\u0627 \u0623\u0646 \u0627\u0644\u0648\u0635\u0644\u0627\u062a \u0627\u0644\u0628\u0627\u0631\u062f\u0629 \u062a\u0639\u0642\u0651\u062f \u0639\u0645\u0644\u064a\u0629 \u0627\u0633\u062a\u0643\u0634\u0627\u0641 \u0627\u0644\u0623\u0639\u0637\u0627\u0644 \u0648\u0625\u0635\u0644\u0627\u062d\u0647\u0627. \u0641\u0627\u0644\u0623\u0639\u0637\u0627\u0644 \u0627\u0644\u0645\u062a\u0642\u0637\u0639\u0629 \u062a\u062c\u0639\u0644 \u0645\u0646 \u0627\u0644\u0635\u0639\u0628 \u0639\u0644\u0649 \u0627\u0644\u0645\u0647\u0646\u062f\u0633\u064a\u0646 \u062a\u062d\u062f\u064a\u062f \u0645\u0635\u062f\u0631 \u0627\u0644\u0645\u0634\u0627\u0643\u0644. \u0648\u0641\u064a \u0627\u0644\u0623\u0646\u0638\u0645\u0629 \u0627\u0644\u062d\u0631\u062c\u0629 \u0644\u0644\u0633\u0644\u0627\u0645\u0629\u060c \u064a\u0645\u0643\u0646 \u0623\u0646 \u062a\u0624\u062f\u064a \u0647\u0630\u0647 \u0627\u0644\u0639\u064a\u0648\u0628 \u0625\u0644\u0649 \u062a\u0642\u0635\u064a\u0631 \u0639\u0645\u0631 \u0627\u0644\u062c\u0647\u0627\u0632 \u0648\u0632\u064a\u0627\u062f\u0629 \u0645\u062e\u0627\u0637\u0631 \u0645\u062e\u0627\u0637\u0631 \u0627\u0644\u062d\u0631\u0627\u0626\u0642.<\/p>\n<h2 id=\"causesofcoldjoints\">\u0623\u0633\u0628\u0627\u0628 \u0628\u0631\u0648\u062f\u0629 \u0627\u0644\u0645\u0641\u0627\u0635\u0644<\/h2>\n<h3 id=\"insufficientheat\">\u062d\u0631\u0627\u0631\u0629 \u063a\u064a\u0631 \u0643\u0627\u0641\u064a\u0629<\/h3>\n<p><a href=\"https:\/\/www.pcbbuy.com\/news\/What-Causes-A-Cold-Solder-Joint-in-PCB-Manufacturing.html\">\u062d\u0631\u0627\u0631\u0629 \u063a\u064a\u0631 \u0643\u0627\u0641\u064a\u0629<\/a> is a leading cause of cold joints in reflow soldering. When the soldering process does not reach the required temperature, the solder fails to melt completely. This incomplete melting prevents the formation of strong intermetallic bonds, which are essential for reliable electrical connections. Thermal analysis research indicates that inadequate heat application leads to weakened mechanical properties and increases the risk of joint failure during thermal cycling. Technicians often observe cold joints in assemblies where the reflow profile does not match the solder alloy\u2019s specifications. In lead-free processes, higher temperatures can sometimes cause solder to solidify too quickly, reducing hole filling and increasing the likelihood of cold joints.<\/p>\n<blockquote>\n<p><strong>\u0646\u0635\u064a\u062d\u0629:<\/strong> \u062f\u0627\u0626\u0645\u0627\u064b <a href=\"https:\/\/www.chuxin-smt.com\/ar\/reflow-soldering-cooling-system-importance-optimization\/\">\u0627\u0644\u062a\u062d\u0642\u0642 \u0645\u0646 \u0627\u0644\u0645\u0638\u0647\u0631 \u0627\u0644\u062c\u0627\u0646\u0628\u064a \u0627\u0644\u062d\u0631\u0627\u0631\u064a<\/a> \u0642\u0628\u0644 \u0628\u062f\u0621 \u0627\u0644\u0625\u0646\u062a\u0627\u062c \u0644\u0636\u0645\u0627\u0646 \u062a\u0648\u0632\u064a\u0639 \u0627\u0644\u062d\u0631\u0627\u0631\u0629 \u0628\u0634\u0643\u0644 \u0645\u062a\u0633\u0642 \u0639\u0628\u0631 \u062b\u0646\u0627\u0626\u064a \u0627\u0644\u0641\u064a\u0646\u064a\u0644 \u0645\u062a\u0639\u062f\u062f \u0627\u0644\u0643\u0644\u0648\u0631.<\/p>\n<\/blockquote>\n<h3 id=\"solderpasteissues\">\u0645\u0634\u0643\u0644\u0627\u062a \u0645\u0639\u062c\u0648\u0646 \u0627\u0644\u0644\u062d\u0627\u0645<\/h3>\n<p><a href=\"https:\/\/www.pcbbuy.com\/news\/What-Causes-A-Cold-Solder-Joint-in-PCB-Manufacturing.html\">\u062c\u0648\u062f\u0629 \u0645\u0639\u062c\u0648\u0646 \u0627\u0644\u0644\u062d\u0627\u0645<\/a> \u0648\u064a\u0644\u0639\u0628 \u0627\u0644\u062a\u0637\u0628\u064a\u0642 \u062f\u0648\u0631\u064b\u0627 \u062d\u0627\u0633\u0645\u064b\u0627 \u0641\u064a \u0645\u0646\u0639 \u0627\u0644\u0648\u0635\u0644\u0627\u062a \u0627\u0644\u0628\u0627\u0631\u062f\u0629. \u0625\u0630\u0627 \u0643\u0627\u0646 \u0645\u0639\u062c\u0648\u0646 \u0627\u0644\u0644\u062d\u0627\u0645 \u064a\u062d\u062a\u0648\u064a \u0639\u0644\u0649 \u062a\u062f\u0641\u0642 \u063a\u064a\u0631 \u0643\u0627\u0641\u064d \u0623\u0648 \u064a\u0633\u062a\u062e\u062f\u0645 \u0645\u0648\u0627\u062f \u0645\u0646\u062e\u0641\u0636\u0629 \u0627\u0644\u062c\u0648\u062f\u0629\u060c \u0641\u0642\u062f \u0644\u0627 \u064a\u062a\u062f\u0641\u0642 \u0627\u0644\u0644\u062d\u0627\u0645 \u0623\u0648 \u064a\u0628\u0644\u0644 \u0627\u0644\u0623\u0633\u0637\u062d \u0628\u0634\u0643\u0644 \u0635\u062d\u064a\u062d. \u0648\u064a\u0624\u062f\u064a \u0630\u0644\u0643 \u0625\u0644\u0649 \u0648\u0635\u0644\u0627\u062a \u0645\u062a\u0643\u062a\u0644\u0629 \u0648\u063a\u064a\u0631 \u0645\u062a\u0633\u0627\u0648\u064a\u0629 \u0628\u062f\u0644\u0627\u064b \u0645\u0646 \u0627\u0644\u0648\u0635\u0644\u0627\u062a \u0627\u0644\u0633\u0644\u0633\u0629 \u0648\u0627\u0644\u0644\u0627\u0645\u0639\u0629. <a href=\"https:\/\/www.pcbbuy.com\/news\/What-Causes-A-Cold-Solder-Joint-in-PCB-Manufacturing.html\">\u0627\u0644\u062a\u0646\u0638\u064a\u0641 \u063a\u064a\u0631 \u0627\u0644\u0643\u0627\u0641\u064a \u0644\u0644\u0645\u0643\u0648\u0646\u0627\u062a \u0648\u0648\u0633\u0627\u062f\u0627\u062a \u062b\u0646\u0627\u0626\u064a \u0627\u0644\u0641\u064a\u0646\u064a\u0644 \u0645\u062a\u0639\u062f\u062f \u0627\u0644\u0643\u0644\u0648\u0631<\/a> \u064a\u0645\u0643\u0646 \u0623\u0646 \u062a\u062a\u0631\u0643 \u0634\u0648\u0627\u0626\u0628 \u062a\u0639\u064a\u0642 \u0642\u0627\u0628\u0644\u064a\u0629 \u0627\u0644\u0644\u062d\u0627\u0645. \u062a\u0633\u0644\u0637 \u062f\u0631\u0627\u0633\u0627\u062a \u062a\u0642\u0646\u064a\u0629 \u0627\u0644\u062a\u0631\u0643\u064a\u0628 \u0627\u0644\u0633\u0637\u062d\u064a \u0627\u0644\u0636\u0648\u0621 \u0639\u0644\u0649 \u0623\u0646 \u0645\u0639\u062c\u0648\u0646 \u0627\u0644\u0644\u062d\u0627\u0645 \u0648\u0627\u0644\u062a\u062f\u0641\u0642 \u0627\u0644\u0631\u062f\u064a\u0621 \u064a\u0645\u0643\u0646 \u0623\u0646 \u064a\u0639\u0637\u0644 \u0627\u0644\u062a\u0641\u0627\u0639\u0644\u0627\u062a \u0627\u0644\u0643\u064a\u0645\u064a\u0627\u0626\u064a\u0629 \u0627\u0644\u0644\u0627\u0632\u0645\u0629 \u0644\u0644\u0631\u0628\u0637 \u0627\u0644\u0641\u0639\u0627\u0644. \u064a\u062c\u0628 \u0639\u0644\u0649 \u0627\u0644\u0641\u0646\u064a\u064a\u0646 \u0627\u062e\u062a\u064a\u0627\u0631 \u0645\u0639\u062c\u0648\u0646 \u0644\u062d\u0627\u0645 \u0639\u0627\u0644\u064a \u0627\u0644\u062c\u0648\u062f\u0629 \u0648\u0636\u0645\u0627\u0646 \u0627\u0644\u062a\u062e\u0632\u064a\u0646 \u0627\u0644\u0645\u0646\u0627\u0633\u0628 \u0644\u0644\u062d\u0641\u0627\u0638 \u0639\u0644\u0649 \u0641\u0639\u0627\u0644\u064a\u062a\u0647.<\/p>\n<p>| Cause of Cold Joint Formation         | Description                                                                    |<br \/>\n| &#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;- | &#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212; |<br \/>\n| Insufficient heat during soldering    | Inadequate heat prevents proper reflow of solder, leading to poor wetting.     |<br \/>\n| Inadequate cleaning of components\/PCB | Impurities on surfaces hinder the solder\u2019s ability to wet properly.            |<br \/>\n| Quality of solder paste and flux      | Poor materials fail to achieve the necessary chemical reactions for soldering. |<\/p>\n<h3 id=\"processdisturbances\">\u0627\u0636\u0637\u0631\u0627\u0628\u0627\u062a \u0627\u0644\u0639\u0645\u0644\u064a\u0629<\/h3>\n<p>\u064a\u0645\u0643\u0646 \u0644\u0627\u0636\u0637\u0631\u0627\u0628\u0627\u062a \u0627\u0644\u0639\u0645\u0644\u064a\u0629 \u0645\u062b\u0644 \u0627\u0644\u0627\u0647\u062a\u0632\u0627\u0632\u0627\u062a \u0623\u0648 \u0639\u062f\u0645 \u0627\u0644\u0645\u062d\u0627\u0630\u0627\u0629 \u0623\u0648 \u0639\u062f\u0645 \u0643\u0641\u0627\u064a\u0629 \u062f\u0639\u0645 \u0627\u0644\u0644\u0648\u062d\u0629 \u0623\u0646 \u062a\u0633\u0627\u0647\u0645 \u0623\u064a\u0636\u064b\u0627 \u0641\u064a \u062d\u062f\u0648\u062b \u0648\u0635\u0644\u0627\u062a \u0628\u0627\u0631\u062f\u0629. \u0623\u062b\u0646\u0627\u0621 \u0625\u0639\u0627\u062f\u0629 \u0627\u0644\u0644\u062d\u0627\u0645 \u0628\u0627\u0644\u0625\u0646\u062d\u0627\u0621\u060c <a href=\"https:\/\/www.pcbbuy.com\/news\/What-Causes-A-Cold-Solder-Joint-in-PCB-Manufacturing.html\">\u0642\u062f \u062a\u0637\u0641\u0648 \u0627\u0644\u0645\u0643\u0648\u0646\u0627\u062a \u0627\u0644\u0635\u063a\u064a\u0631\u0629<\/a> \u0639\u0644\u0649 \u0627\u0644\u0644\u062d\u0627\u0645 \u0627\u0644\u0645\u0646\u0635\u0647\u0631 \u0648\u062a\u0628\u062a\u0639\u062f \u0639\u0646 \u0645\u0648\u0627\u0636\u0639\u0647\u0627 \u0627\u0644\u0645\u0642\u0635\u0648\u062f\u0629. \u0648\u063a\u0627\u0644\u0628\u064b\u0627 \u0645\u0627 \u064a\u062a\u0633\u0628\u0628 \u0627\u0647\u062a\u0632\u0627\u0632 \u0623\u0648 \u0627\u0631\u062a\u062f\u0627\u062f \u062b\u0646\u0627\u0626\u064a \u0627\u0644\u0641\u064a\u0646\u064a\u0644 \u0645\u062a\u0639\u062f\u062f \u0627\u0644\u0643\u0644\u0648\u0631 \u0641\u064a \u062d\u062f\u0648\u062b \u0647\u0630\u0647 \u0627\u0644\u0645\u062d\u0627\u0630\u0627\u0629 \u0627\u0644\u062e\u0627\u0637\u0626\u0629\u060c \u062e\u0627\u0635\u0629\u064b \u0639\u0646\u062f\u0645\u0627 \u062a\u0641\u062a\u0642\u0631 \u0627\u0644\u0644\u0648\u062d\u0629 \u0625\u0644\u0649 \u0627\u0644\u062f\u0639\u0645 \u0627\u0644\u0645\u0646\u0627\u0633\u0628. \u062a\u0632\u064a\u062f \u0625\u0639\u062f\u0627\u062f\u0627\u062a \u0641\u0631\u0646 \u0625\u0639\u0627\u062f\u0629 \u0627\u0644\u062a\u062f\u0641\u0642 \u063a\u064a\u0631 \u0627\u0644\u0635\u062d\u064a\u062d\u0629 \u0648\u0627\u0644\u062e\u0637\u0623 \u0627\u0644\u0628\u0634\u0631\u064a \u0645\u0646 \u0627\u0644\u0645\u062e\u0627\u0637\u0631. \u0639\u0646\u062f\u0645\u0627 \u0644\u0627 \u062a\u0638\u0644 \u0627\u0644\u0645\u0643\u0648\u0646\u0627\u062a \u062b\u0627\u0628\u062a\u0629 \u0623\u062b\u0646\u0627\u0621 \u062a\u0635\u0644\u0628 \u0627\u0644\u0644\u062d\u0627\u0645\u060c \u063a\u0627\u0644\u0628\u064b\u0627 \u0645\u0627 \u062a\u0641\u062a\u0642\u0631 \u0627\u0644\u0648\u0635\u0644\u0627\u062a \u0627\u0644\u0646\u0627\u062a\u062c\u0629 \u0625\u0644\u0649 \u0627\u0644\u0642\u0648\u0629 \u0648\u0627\u0644\u0645\u0648\u062b\u0648\u0642\u064a\u0629.<\/p>\n<ul>\n<li>\u0642\u062f \u062a\u0637\u0641\u0648 \u0627\u0644\u0645\u0643\u0648\u0646\u0627\u062a \u0627\u0644\u0635\u063a\u064a\u0631\u0629 \u0648\u062a\u0646\u0641\u0635\u0644 \u0639\u0646 \u0648\u0635\u0644\u0627\u062a \u0627\u0644\u0644\u062d\u0627\u0645 \u0627\u0644\u0645\u0633\u062a\u0647\u062f\u0641\u0629.<\/li>\n<li>\u064a\u0645\u0643\u0646 \u0623\u0646 \u064a\u062a\u0633\u0628\u0628 \u0627\u0644\u0627\u0647\u062a\u0632\u0627\u0632 \u0623\u0648 \u0627\u0644\u0627\u0631\u062a\u062f\u0627\u062f \u0641\u064a \u0625\u0632\u0627\u062d\u0629 \u0623\u0648 \u0625\u0645\u0627\u0644\u0629 \u0627\u0644\u0645\u0643\u0648\u0646\u0627\u062a.<\/li>\n<li>\u064a\u0632\u064a\u062f \u0627\u0644\u062f\u0639\u0645 \u063a\u064a\u0631 \u0627\u0644\u0643\u0627\u0641\u064a \u0644\u0645\u0631\u0643\u0628 \u062b\u0646\u0627\u0626\u064a \u0627\u0644\u0641\u064a\u0646\u064a\u0644 \u0645\u062a\u0639\u062f\u062f \u0627\u0644\u0643\u0644\u0648\u0631 \u0645\u0646 \u062e\u0637\u0631 \u0627\u062e\u062a\u0644\u0627\u0644 \u0627\u0644\u0645\u062d\u0627\u0630\u0627\u0629.<\/li>\n<\/ul>\n<p>\u0648\u063a\u0627\u0644\u0628\u064b\u0627 \u0645\u0627 \u062a\u0646\u062a\u062c \u0627\u0644\u0648\u0635\u0644\u0627\u062a \u0627\u0644\u0628\u0627\u0631\u062f\u0629 \u0639\u0646 \u0645\u0632\u064a\u062c \u0645\u0646 \u0647\u0630\u0647 \u0627\u0644\u0639\u0648\u0627\u0645\u0644. \u064a\u062c\u0628 \u0623\u0646 \u064a\u0631\u0627\u0642\u0628 \u0627\u0644\u0641\u0646\u064a\u0648\u0646 \u0643\u0644 \u0645\u0631\u062d\u0644\u0629 \u0645\u0646 \u0645\u0631\u0627\u062d\u0644 \u0627\u0644\u0639\u0645\u0644\u064a\u0629 \u0644\u062a\u0642\u0644\u064a\u0644 \u0627\u0644\u0639\u064a\u0648\u0628 \u0625\u0644\u0649 \u0623\u062f\u0646\u0649 \u062d\u062f \u0645\u0645\u0643\u0646 \u0648\u0636\u0645\u0627\u0646 \u0642\u0648\u0629 \u0648\u0635\u0644\u0627\u062a \u0627\u0644\u0644\u062d\u0627\u0645.<\/p>\n<h2 id=\"preventingcoldjoints\">\u0627\u0644\u0648\u0642\u0627\u064a\u0629 \u0645\u0646 \u0628\u0631\u0648\u062f\u0629 \u0627\u0644\u0645\u0641\u0627\u0635\u0644<\/h2>\n<h3 id=\"thermalprofiling\">\u0627\u0644\u062a\u0646\u0645\u064a\u0637 \u0627\u0644\u062d\u0631\u0627\u0631\u064a<\/h3>\n<p>\u064a\u0645\u062b\u0644 \u0627\u0644\u062a\u0646\u0645\u064a\u0637 \u0627\u0644\u062d\u0631\u0627\u0631\u064a \u062e\u0637\u0648\u0629 \u062d\u0627\u0633\u0645\u0629 \u0641\u064a \u0645\u0646\u0639 \u0639\u064a\u0648\u0628 \u0627\u0644\u0644\u062d\u0627\u0645. \u064a\u0633\u062a\u062e\u062f\u0645 \u0627\u0644\u0641\u0646\u064a\u0648\u0646 <a href=\"https:\/\/www.wevolver.com\/article\/reflow-soldering\">\u062a\u062d\u062f\u064a\u062f \u062f\u0631\u062c\u0629 \u0627\u0644\u062d\u0631\u0627\u0631\u0629<\/a> \u0644\u0644\u062a\u062d\u0643\u0645 \u0641\u064a \u0639\u0645\u0644\u064a\u0629 \u0625\u0639\u0627\u062f\u0629 \u0627\u0644\u062a\u062f\u0641\u0642\u060c \u0645\u0645\u0627 \u064a\u0624\u062b\u0631 \u0628\u0634\u0643\u0644 \u0645\u0628\u0627\u0634\u0631 \u0639\u0644\u0649 \u062c\u0648\u062f\u0629 \u0648\u0635\u0644\u0629 \u0627\u0644\u0644\u062d\u0627\u0645. \u064a\u0639\u0645\u0644 \u0645\u0644\u0641 \u062a\u0639\u0631\u064a\u0641 \u062f\u0631\u062c\u0629 \u0627\u0644\u062d\u0631\u0627\u0631\u0629 \u0627\u0644\u0645\u0635\u0645\u0645 \u062c\u064a\u062f\u064b\u0627 \u0639\u0644\u0649 \u062a\u0646\u0634\u064a\u0637 \u0627\u0644\u062a\u062f\u0641\u0642\u060c \u0648\u064a\u0636\u0645\u0646 \u0627\u0644\u062a\u0631\u0637\u064a\u0628 \u0627\u0644\u0645\u0646\u0627\u0633\u0628\u060c \u0648\u064a\u062f\u064a\u0631 \u0645\u0639\u062f\u0644\u0627\u062a \u0627\u0644\u062a\u0628\u0631\u064a\u062f. \u062a\u0642\u0644\u0644 \u0647\u0630\u0647 \u0627\u0644\u0625\u062c\u0631\u0627\u0621\u0627\u062a \u0645\u0646 \u0645\u062e\u0627\u0637\u0631 \u0627\u0644\u0639\u064a\u0648\u0628.<\/p>\n<p>\u064a\u0648\u0635\u064a \u0627\u0644\u062e\u0628\u0631\u0627\u0621 \u0628\u0627\u0644\u0639\u062f\u064a\u062f \u0645\u0646 \u062a\u0642\u0646\u064a\u0627\u062a \u0627\u0644\u062a\u0646\u0645\u064a\u0637 \u0627\u0644\u062d\u0631\u0627\u0631\u064a \u0627\u0644\u0641\u0639\u0627\u0644\u0629:<\/p>\n<ul>\n<li>\u0645\u0644\u0641 \u062a\u0639\u0631\u064a\u0641 \u0645\u0646\u062d\u062f\u0631-\u0646\u0642\u0639-\u0633\u0628\u0627\u064a\u0643 (RSS)<\/li>\n<li>\u0645\u0644\u0641 \u062a\u0639\u0631\u064a\u0641 \u0627\u0644\u0645\u0646\u062d\u062f\u0631 \u0625\u0644\u0649 \u0627\u0644\u0627\u0631\u062a\u0641\u0627\u0639 (RTS)<\/li>\n<li>\u0645\u0639\u062f\u0644 \u0627\u0631\u062a\u0641\u0627\u0639 \u0645\u062a\u062d\u0643\u0645 \u0628\u0647 \u0628\u064a\u0646 1-5 \u062f\u0631\u062c\u0627\u062a \u0645\u0626\u0648\u064a\u0629 \u0641\u064a \u0627\u0644\u062b\u0627\u0646\u064a\u0629 \u0644\u062a\u062c\u0646\u0628 \u0627\u0644\u0625\u062c\u0647\u0627\u062f \u0627\u0644\u062d\u0631\u0627\u0631\u064a<\/li>\n<\/ul>\n<p>\u064a\u0636\u0645\u0646 \u0627\u0644\u062a\u0634\u0643\u064a\u0644 \u0627\u0644\u062d\u0631\u0627\u0631\u064a \u0627\u0644\u062f\u0642\u064a\u0642 \u0648\u0635\u0648\u0644 \u0643\u0644 \u062b\u0646\u0627\u0626\u064a \u0627\u0644\u0641\u064a\u0646\u064a\u0644 \u0645\u062a\u0639\u062f\u062f \u0627\u0644\u0643\u0644\u0648\u0631 \u0625\u0644\u0649 \u062f\u0631\u062c\u0629 \u0627\u0644\u062d\u0631\u0627\u0631\u0629 \u0627\u0644\u0635\u062d\u064a\u062d\u0629 \u0641\u064a \u0627\u0644\u0648\u0642\u062a \u0627\u0644\u0645\u0646\u0627\u0633\u0628. \u0625\u0630\u0627 \u0643\u0627\u0646\u062a \u062f\u0631\u062c\u0629 \u0627\u0644\u062d\u0631\u0627\u0631\u0629 \u0623\u0642\u0644 \u0645\u0646 \u0627\u0644\u0644\u0627\u0632\u0645\u060c \u0641\u0642\u062f \u0644\u0627 \u064a\u0644\u062a\u0635\u0642 \u0627\u0644\u0644\u062d\u0627\u0645 \u0628\u0634\u0643\u0644 \u062c\u064a\u062f\u060c \u0645\u0645\u0627 \u064a\u0624\u062f\u064a \u0625\u0644\u0649 \u0636\u0639\u0641 \u0627\u0644\u0648\u0635\u0644\u0627\u062a. \u064a\u0645\u0643\u0646 \u0623\u0646 \u062a\u0624\u062f\u064a \u0627\u0644\u062d\u0631\u0627\u0631\u0629 \u0627\u0644\u0632\u0627\u0626\u062f\u0629 \u0625\u0644\u0649 \u062a\u0644\u0641 \u0627\u0644\u0645\u0643\u0648\u0646\u0627\u062a \u0648\u062a\u062f\u0647\u0648\u0631 \u0627\u0644\u0645\u0646\u062a\u062c. \u0645\u0646 \u062e\u0644\u0627\u0644 \u0627\u0644\u062d\u0641\u0627\u0638 \u0639\u0644\u0649 <a href=\"https:\/\/www.globalwellpcba.com\/what-is-thermal-profiling-in-pcb-assembly\/\">\u0638\u0631\u0648\u0641 \u062d\u0631\u0627\u0631\u064a\u0629 \u062f\u0642\u064a\u0642\u0629<\/a>\u060c \u062a\u062d\u0642\u0642 \u0627\u0644\u0634\u0631\u0643\u0627\u062a \u0627\u0644\u0645\u0635\u0646\u0639\u0629 \u0648\u0635\u0644\u0627\u062a \u0644\u062d\u0627\u0645 \u0642\u0648\u064a\u0629 \u0648\u062a\u0642\u0644\u0644 \u0628\u0634\u0643\u0644 \u0643\u0628\u064a\u0631 \u0645\u0646 \u062d\u062f\u0648\u062b \u0627\u0644\u0648\u0635\u0644\u0627\u062a \u0627\u0644\u0628\u0627\u0631\u062f\u0629.<\/p>\n<blockquote>\n<p><strong>\u0646\u0635\u064a\u062d\u0629:<\/strong> \u0645\u0631\u0627\u0642\u0628\u0629 \u0627\u0644\u0645\u0638\u0647\u0631 \u0627\u0644\u062c\u0627\u0646\u0628\u064a \u0627\u0644\u062d\u0631\u0627\u0631\u064a \u0644\u0643\u0644 \u062f\u0641\u0639\u0629 \u062a\u062c\u0645\u064a\u0639 \u062c\u062f\u064a\u062f\u0629 \u0648\u0636\u0628\u0637\u0647 \u0628\u0627\u0646\u062a\u0638\u0627\u0645 \u0644\u0644\u062d\u0641\u0627\u0638 \u0639\u0644\u0649 \u0646\u062a\u0627\u0626\u062c \u0645\u062a\u0633\u0642\u0629.<\/p>\n<\/blockquote>\n<h3 id=\"solderpastequality\">\u062c\u0648\u062f\u0629 \u0645\u0639\u062c\u0648\u0646 \u0627\u0644\u0644\u062d\u0627\u0645<\/h3>\n<p>\u062a\u0644\u0639\u0628 \u062c\u0648\u062f\u0629 \u0645\u0639\u062c\u0648\u0646 \u0627\u0644\u0644\u062d\u0627\u0645 \u062f\u0648\u0631\u064b\u0627 \u062d\u064a\u0648\u064a\u064b\u0627 \u0641\u064a \u062a\u0634\u0643\u064a\u0644 \u0648\u0635\u0644\u0627\u062a \u0645\u0648\u062b\u0648\u0642\u0629. \u0625\u0646 <a href=\"https:\/\/kicthermal.com\/article-paper\/process-guidelines-to-ensure-optimal-smt-electronics-assembly\/\">\u0646\u0648\u0639 \u0627\u0644\u062a\u062f\u0641\u0642<\/a> \u0641\u064a \u0627\u0644\u0639\u062c\u064a\u0646\u0629 \u0639\u0644\u0649 \u062c\u0648\u062f\u0629 \u0627\u0644\u0648\u0635\u0644\u0629. \u062a\u0646\u0634\u0637 \u0627\u0644\u062a\u062f\u0641\u0642\u0627\u062a \u0627\u0644\u0642\u0627\u0628\u0644\u0629 \u0644\u0644\u0630\u0648\u0628\u0627\u0646 \u0641\u064a \u0627\u0644\u0645\u0627\u0621 \u0628\u0633\u0631\u0639\u0629 \u0648\u0644\u0643\u0646\u0647\u0627 \u0642\u062f \u062a\u0633\u0628\u0628 \u0625\u0639\u0627\u062f\u0629 \u0627\u0644\u0623\u0643\u0633\u062f\u0629 \u0623\u062b\u0646\u0627\u0621 \u0625\u0639\u0627\u062f\u0629 \u0627\u0644\u062a\u062f\u0641\u0642. \u062a\u0639\u0645\u0644 \u062c\u0632\u064a\u0626\u0627\u062a \u0627\u0644\u0644\u062d\u0627\u0645 \u0627\u0644\u062f\u0642\u064a\u0642\u0629 \u0639\u0644\u0649 \u062a\u062d\u0633\u064a\u0646 \u0627\u062a\u0633\u0627\u0642 \u0637\u0628\u0627\u0639\u0629 \u0627\u0644\u0627\u0633\u062a\u0646\u0633\u0644\u060c \u0648\u0644\u0643\u0646\u0647\u0627 \u0642\u062f \u062a\u0632\u064a\u062f \u0645\u0646 \u0623\u0643\u0633\u062f\u0629 \u0627\u0644\u0633\u0637\u062d\u060c \u0645\u0645\u0627 \u064a\u062c\u0639\u0644 \u0627\u0644\u0644\u062d\u0627\u0645 \u0623\u0643\u062b\u0631 \u0635\u0639\u0648\u0628\u0629.<\/p>\n<p>\u062a\u062a\u0636\u0645\u0646 \u0627\u0644\u0645\u0639\u0627\u064a\u064a\u0631 \u0627\u0644\u0631\u0626\u064a\u0633\u064a\u0629 \u0644\u062a\u0642\u064a\u064a\u0645 \u062c\u0648\u062f\u0629 \u0645\u0639\u062c\u0648\u0646 \u0627\u0644\u0644\u062d\u0627\u0645 \u0645\u0627 \u064a\u0644\u064a:<\/p>\n<ul>\n<li>\u0637\u0628\u0627\u0639\u0629 \u0627\u0644\u0627\u0633\u062a\u0646\u0633\u0644 \u0627\u0644\u0645\u062a\u0646\u0627\u0633\u0642\u0629\u060c \u062d\u064a\u062b \u062a\u0628\u062f\u0623 \u0645\u0639\u0638\u0645 \u0639\u064a\u0648\u0628 \u0627\u0644\u0644\u062d\u0627\u0645 \u0641\u064a \u0647\u0630\u0647 \u0627\u0644\u0645\u0631\u062d\u0644\u0629<\/li>\n<li>\u0627\u0644\u0641\u062d\u0635 \u0627\u0644\u0641\u0639\u0627\u0644 \u0644\u0639\u062c\u064a\u0646\u0629 \u0627\u0644\u0644\u062d\u0627\u0645 (SPI) \u0644\u0644\u062a\u062d\u0642\u0642 \u0645\u0646 \u062d\u062c\u0645 \u0627\u0644\u062a\u0631\u0633\u0628\u0627\u062a \u0648\u0645\u0648\u0636\u0639\u0647\u0627<\/li>\n<li>\u0627\u0644\u062a\u062e\u0632\u064a\u0646 \u0627\u0644\u0645\u0646\u0627\u0633\u0628\u060c \u0645\u062b\u0644 \u0627\u0644\u062a\u0628\u0631\u064a\u062f \u0648\u0627\u0644\u062d\u0627\u0648\u064a\u0627\u062a \u0645\u062d\u0643\u0645\u0629 \u0627\u0644\u0625\u063a\u0644\u0627\u0642\u060c \u0644\u0645\u0646\u0639 \u0627\u0644\u062a\u0623\u0643\u0633\u062f<\/li>\n<li>\u0627\u0644\u0633\u0645\u0627\u062d \u0644\u0644\u0639\u062c\u064a\u0646\u0629 \u0628\u0627\u0644\u0648\u0635\u0648\u0644 \u0625\u0644\u0649 \u062f\u0631\u062c\u0629 \u062d\u0631\u0627\u0631\u0629 \u0627\u0644\u063a\u0631\u0641\u0629 \u0642\u0628\u0644 \u0627\u0644\u0627\u0633\u062a\u062e\u062f\u0627\u0645 \u0648\u062a\u0642\u0644\u064a\u0644 \u0627\u0644\u062a\u0639\u0631\u0636 \u0644\u0644\u0647\u0648\u0627\u0621<\/li>\n<\/ul>\n<p>\u064a\u0624\u062f\u064a \u0633\u0648\u0621 \u0627\u0644\u0645\u0646\u0627\u0648\u0644\u0629 \u0623\u0648 \u0627\u0644\u062a\u062e\u0632\u064a\u0646 \u0625\u0644\u0649 \u062a\u062f\u0647\u0648\u0631 \u0627\u0644\u0645\u0639\u062c\u0648\u0646 \u0648\u0636\u0639\u0641 \u0627\u0644\u0648\u0635\u0644\u0627\u062a. \u064a\u062c\u0628 \u0639\u0644\u0649 \u0627\u0644\u0641\u0646\u064a\u064a\u0646 \u062f\u0627\u0626\u0645\u064b\u0627 \u0627\u062a\u0628\u0627\u0639 \u0625\u0631\u0634\u0627\u062f\u0627\u062a \u0627\u0644\u0634\u0631\u0643\u0629 \u0627\u0644\u0645\u0635\u0646\u0639\u0629 \u0644\u0644\u062a\u062e\u0632\u064a\u0646 \u0648\u0627\u0644\u0645\u0646\u0627\u0648\u0644\u0629. \u0627\u0644\u0645\u0631\u0627\u0642\u0628\u0629 \u0627\u0644\u0645\u0633\u062a\u0645\u0631\u0629 \u0644\u0644\u0639\u0645\u0644\u064a\u0629 \u0648 <a href=\"https:\/\/www.pcbasic.com\/blog\/cold_solder.html\">\u0627\u0644\u062a\u062f\u0631\u064a\u0628 \u0627\u0644\u0645\u0646\u062a\u0638\u0645 \u0644\u0644\u0645\u0634\u063a\u0644\u064a\u0646<\/a> \u062a\u0642\u0644\u064a\u0644 \u0645\u062e\u0627\u0637\u0631 \u0627\u0644\u0639\u064a\u0648\u0628 \u0628\u0634\u0643\u0644 \u0623\u0643\u0628\u0631.<\/p>\n<blockquote>\n<p><strong>\u0645\u0644\u0627\u062d\u0638\u0629:<\/strong> \u0623\u0643\u062b\u0631 \u0645\u0646 60% \u0645\u0646 \u0639\u064a\u0648\u0628 \u0627\u0644\u0644\u062d\u0627\u0645 \u062a\u0646\u0634\u0623 \u0645\u0646 \u0623\u062e\u0637\u0627\u0621 \u0637\u0628\u0627\u0639\u0629 \u0627\u0644\u0627\u0633\u062a\u0646\u0633\u0644. \u064a\u0645\u0646\u0639 \u0627\u0644\u0641\u062d\u0635 \u0627\u0644\u062f\u0642\u064a\u0642 \u0641\u064a \u0647\u0630\u0647 \u0627\u0644\u0645\u0631\u062d\u0644\u0629 \u062d\u062f\u0648\u062b \u0627\u0644\u0639\u062f\u064a\u062f \u0645\u0646 \u0627\u0644\u0645\u0634\u0643\u0644\u0627\u062a \u0641\u064a \u0627\u0644\u0645\u0631\u0627\u062d\u0644 \u0627\u0644\u0646\u0647\u0627\u0626\u064a\u0629.<\/p>\n<\/blockquote>\n<h3 id=\"pcbpreparation\">\u062a\u062d\u0636\u064a\u0631 \u062b\u0646\u0627\u0626\u064a \u0627\u0644\u0641\u064a\u0646\u064a\u0644 \u0645\u062a\u0639\u062f\u062f \u0627\u0644\u0643\u0644\u0648\u0631<\/h3>\n<p>\u0645\u0646\u0627\u0633\u0628 <a href=\"https:\/\/www.allpcb.com\/es-ES\/blog\/pcb-manufacturing\/improving-solder-joint-quality-in-pcb-wave-soldering-a-step-by-step-approach.html\">\u0625\u0639\u062f\u0627\u062f \u062b\u0646\u0627\u0626\u064a \u0627\u0644\u0641\u064a\u0646\u064a\u0644 \u0645\u062a\u0639\u062f\u062f \u0627\u0644\u0643\u0644\u0648\u0631<\/a> \u064a\u0636\u0645\u0646 \u0627\u0644\u062a\u0634\u0643\u064a\u0644 \u0627\u0644\u0623\u0645\u062b\u0644 \u0644\u0645\u0641\u0635\u0644 \u0627\u0644\u0644\u062d\u0627\u0645. \u064a\u0648\u0635\u064a \u062e\u0628\u0631\u0627\u0621 \u0627\u0644\u0635\u0646\u0627\u0639\u0629 \u0628\u0639\u062f\u0629 \u062e\u0637\u0648\u0627\u062a \u0644\u062a\u062c\u0647\u064a\u0632 \u0645\u0631\u0643\u0628\u0627\u062a \u062b\u0646\u0627\u0626\u064a \u0627\u0644\u0641\u064a\u0646\u064a\u0644 \u0645\u062a\u0639\u062f\u062f \u0627\u0644\u0643\u0644\u0648\u0631 \u0644\u0625\u0639\u0627\u062f\u0629 \u0627\u0644\u0644\u062d\u0627\u0645:<\/p>\n<p>| Step | Recommendation                                                                                     |<br \/>\n| &#8212;- | &#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8211; |<br \/>\n| 1    | Optimize PCB design to minimize shadowing and ensure even solder distribution.                     |<br \/>\n| 2    | Ensure clean surfaces to achieve an optimal wetting angle; use pre-fluxing to remove contaminants. |<br \/>\n| 3    | Control soldering temperature and duration to manage intermetallic compound formation.             |<br \/>\n| 4    | Use flux to reduce surface tension and promote solder flow.                                        |<br \/>\n| 5    | Implement effective inspection techniques to identify defects early.                               |<br \/>\n| 6    | Maintain consistency in process parameters, including solder bath composition.                     |<br \/>\n| 7    | Understand common defects and their causes for effective troubleshooting.                          |<\/p>\n<p>\u0646\u0638\u0627\u0641\u0629 \u0623\u0633\u0637\u062d \u062b\u0646\u0627\u0626\u064a \u0627\u0644\u0641\u064a\u0646\u064a\u0644 \u0645\u062a\u0639\u062f\u062f \u0627\u0644\u0643\u0644\u0648\u0631 \u0623\u0645\u0631 \u0636\u0631\u0648\u0631\u064a. \u0641\u0627\u0644\u0645\u0644\u0648\u062b\u0627\u062a \u0645\u062b\u0644 \u0627\u0644\u0623\u0648\u0633\u0627\u062e \u0648\u0627\u0644\u0623\u0643\u0633\u062f\u0629 \u0648\u0627\u0644\u0632\u064a\u0648\u062a \u062a\u0645\u0646\u0639 \u0627\u0644\u062a\u0635\u0627\u0642 \u0627\u0644\u0644\u062d\u0627\u0645 \u0628\u0634\u0643\u0644 \u0635\u062d\u064a\u062d. \u062a\u062e\u0644\u0642 \u0627\u0644\u0623\u0643\u0633\u062f\u0629 \u062d\u0627\u062c\u0632\u064b\u0627 \u0639\u0644\u0649 \u0627\u0644\u0623\u0633\u0637\u062d \u0627\u0644\u0645\u0639\u062f\u0646\u064a\u0629\u060c \u0645\u0645\u0627 \u064a\u062c\u0639\u0644 \u0627\u0644\u0644\u062d\u0627\u0645 \u0623\u0642\u0644 \u0641\u0639\u0627\u0644\u064a\u0629. \u064a\u062c\u0628 \u0623\u0646 \u064a\u0642\u0648\u0645 \u0627\u0644\u0641\u0646\u064a\u0648\u0646 \u062f\u0627\u0626\u0645\u064b\u0627 \u0628\u062a\u0646\u0638\u064a\u0641 \u0645\u0631\u0643\u0628\u0627\u062a \u062b\u0646\u0627\u0626\u064a \u0627\u0644\u0641\u064a\u0646\u064a\u0644 \u0645\u062a\u0639\u062f\u062f \u0627\u0644\u0643\u0644\u0648\u0631 \u0642\u0628\u0644 \u0627\u0644\u062a\u062c\u0645\u064a\u0639 \u0648\u0627\u0633\u062a\u062e\u062f\u0627\u0645 \u0627\u0644\u062a\u062f\u0641\u0642 \u0627\u0644\u0645\u0633\u0628\u0642 \u0644\u0625\u0632\u0627\u0644\u0629 \u0623\u064a \u0645\u0644\u0648\u062b\u0627\u062a \u0645\u062a\u0628\u0642\u064a\u0629.<\/p>\n<p>\u062a\u0644\u0639\u0628 \u0627\u0644\u0639\u0648\u0627\u0645\u0644 \u0627\u0644\u0628\u064a\u0626\u064a\u0629 \u062f\u0648\u0631\u064b\u0627 \u0623\u064a\u0636\u064b\u0627 \u0641\u064a \u0630\u0644\u0643. \u0627\u0631\u062a\u0641\u0627\u0639 <a href=\"https:\/\/www.assemblymag.com\/articles\/82990-how-heat-and-humidity-affect-no-clean-paste\">\u064a\u0645\u0643\u0646 \u0623\u0646 \u062a\u062a\u0633\u0628\u0628 \u0627\u0644\u0631\u0637\u0648\u0628\u0629 \u0641\u064a \u0644\u0635\u0642 \u0645\u0639\u062c\u0648\u0646 \u0627\u0644\u0644\u062d\u0627\u0645<\/a> \u0644\u0627\u0645\u062a\u0635\u0627\u0635 \u0627\u0644\u0631\u0637\u0648\u0628\u0629\u060c \u0645\u0645\u0627 \u064a\u0642\u0644\u0644 \u0645\u0646 \u0641\u0639\u0627\u0644\u064a\u062a\u0647. \u062a\u0624\u062f\u064a \u0627\u0644\u062a\u0642\u0644\u0628\u0627\u062a \u0641\u064a \u062f\u0631\u062c\u0627\u062a \u0627\u0644\u062d\u0631\u0627\u0631\u0629 \u0625\u0644\u0649 \u062a\u0639\u0637\u064a\u0644 \u0630\u0648\u0628\u0627\u0646 \u0627\u0644\u0644\u062d\u0627\u0645 \u0648\u062a\u0635\u0644\u0628\u0647\u060c \u0645\u0645\u0627 \u064a\u0632\u064a\u062f \u0645\u0646 \u062e\u0637\u0631 \u062d\u062f\u0648\u062b \u0639\u064a\u0648\u0628. \u064a\u062c\u0628 \u0639\u0644\u0649 \u0627\u0644\u0645\u0635\u0646\u0639\u064a\u0646 \u0627\u0644\u062a\u062d\u0643\u0645 \u0641\u064a \u0627\u0644\u0638\u0631\u0648\u0641 \u0627\u0644\u0628\u064a\u0626\u064a\u0629 \u0641\u064a \u0645\u0646\u0637\u0642\u0629 \u0627\u0644\u062a\u062c\u0645\u064a\u0639 \u0644\u0644\u062d\u0641\u0627\u0638 \u0639\u0644\u0649 \u0646\u062a\u0627\u0626\u062c \u0645\u062a\u0633\u0642\u0629.<\/p>\n<blockquote>\n<p><strong>\u0646\u0635\u064a\u062d\u0629:<\/strong> \u064a\u0632\u0648\u062f \u0627\u0644\u062a\u062f\u0631\u064a\u0628 \u0627\u0644\u0645\u0646\u062a\u0638\u0645 \u0644\u0644\u0645\u0634\u063a\u0644\u064a\u0646 \u0627\u0644\u0645\u0648\u0638\u0641\u064a\u0646 \u0628\u0627\u0644\u0645\u0647\u0627\u0631\u0627\u062a \u0627\u0644\u0644\u0627\u0632\u0645\u0629 \u0644\u062a\u0637\u0628\u064a\u0642 \u062a\u0642\u0646\u064a\u0627\u062a \u0627\u0644\u0644\u062d\u0627\u0645 \u0627\u0644\u0635\u062d\u064a\u062d\u0629 \u0648\u0627\u0643\u062a\u0634\u0627\u0641 \u0627\u0644\u0645\u0634\u0643\u0644\u0627\u062a \u0627\u0644\u0645\u062d\u062a\u0645\u0644\u0629 \u0641\u064a \u0648\u0642\u062a \u0645\u0628\u0643\u0631.<\/p>\n<\/blockquote>\n<p>\u0645\u0646 \u062e\u0644\u0627\u0644 \u0627\u0644\u062a\u0631\u0643\u064a\u0632 \u0639\u0644\u0649 \u0627\u0644\u062a\u0646\u0645\u064a\u0637 \u0627\u0644\u062d\u0631\u0627\u0631\u064a \u0648\u062c\u0648\u062f\u0629 \u0645\u0639\u062c\u0648\u0646 \u0627\u0644\u0644\u062d\u0627\u0645 \u0648\u0625\u0639\u062f\u0627\u062f \u062b\u0646\u0627\u0626\u064a \u0627\u0644\u0641\u064a\u0646\u064a\u0644 \u0645\u062a\u0639\u062f\u062f \u0627\u0644\u0643\u0644\u0648\u0631\u060c \u064a\u0645\u0643\u0646 \u0644\u0644\u0641\u0646\u064a\u064a\u0646 \u0645\u0646\u0639 \u0645\u0639\u0638\u0645 \u0627\u0644\u0648\u0635\u0644\u0627\u062a \u0627\u0644\u0628\u0627\u0631\u062f\u0629 \u0642\u0628\u0644 \u062d\u062f\u0648\u062b\u0647\u0627. \u064a\u0634\u0643\u0644 \u0627\u0644\u062a\u0646\u0638\u064a\u0641 \u0627\u0644\u0645\u0633\u062a\u0645\u0631 \u0648\u0627\u0644\u062a\u0637\u0628\u064a\u0642 \u0627\u0644\u062f\u0642\u064a\u0642 \u0644\u0644\u062d\u0627\u0645 \u0648\u0627\u0644\u0645\u0631\u0627\u0642\u0628\u0629 \u0627\u0644\u0645\u0633\u062a\u0645\u0631\u0629 \u0644\u0644\u0639\u0645\u0644\u064a\u0629 \u0623\u0633\u0627\u0633 \u0645\u0645\u0627\u0631\u0633\u0627\u062a \u0627\u0644\u0644\u062d\u0627\u0645 \u0627\u0644\u0645\u0648\u062b\u0648\u0642\u0629.<\/p>\n<h2 id=\"identifyingcoldjoints\">\u062a\u062d\u062f\u064a\u062f \u0627\u0644\u0645\u0641\u0627\u0635\u0644 \u0627\u0644\u0628\u0627\u0631\u062f\u0629<\/h2>\n<p><figure class=\"wp-block-image alignnone\"><img decoding=\"async\" src=\"https:\/\/www.chuxin-smt.com\/wp-content\/uploads\/2025\/09\/1757037597-1cefc78472d8472180f90f2f3de40b39.webp\" alt=\"Identifying Cold Joints\" ><\/figure>\n<\/p>\n<h3 id=\"visualinspection\">\u0627\u0644\u0641\u062d\u0635 \u0627\u0644\u0628\u0635\u0631\u064a<\/h3>\n<p>\u064a\u0639\u062a\u0645\u062f \u0627\u0644\u0641\u0646\u064a\u0648\u0646 \u0639\u0644\u0649 <a href=\"https:\/\/www.chuxin-smt.com\/ar\/differences-between-smt-reflow-soldering-and-wave-soldering\/\">\u0627\u0644\u0641\u062d\u0635 \u0627\u0644\u0628\u0635\u0631\u064a<\/a> \u0643\u062e\u0637\u0648\u0629 \u0623\u0648\u0644\u0649 \u0641\u064a \u062a\u062d\u062f\u064a\u062f \u0627\u0644\u0648\u0635\u0644\u0627\u062a \u0627\u0644\u0628\u0627\u0631\u062f\u0629 \u0639\u0644\u0649 \u0645\u0631\u0643\u0628\u0627\u062a \u062b\u0646\u0627\u0626\u064a \u0627\u0644\u0641\u064a\u0646\u064a\u0644 \u0645\u062a\u0639\u062f\u062f \u0627\u0644\u0643\u0644\u0648\u0631 \u0627\u0644\u0645\u062c\u0645\u0639\u0629. \u064a\u0628\u062d\u062b\u0648\u0646 \u0639\u0646 \u0645\u0624\u0634\u0631\u0627\u062a \u0645\u062d\u062f\u062f\u0629 \u062a\u0634\u064a\u0631 \u0625\u0644\u0649 \u0636\u0639\u0641 \u062c\u0648\u062f\u0629 \u0627\u0644\u0644\u062d\u0627\u0645. \u0648\u062a\u0634\u0645\u0644 \u0627\u0644\u0645\u0639\u0627\u064a\u064a\u0631 \u0627\u0644\u0623\u0643\u062b\u0631 \u0645\u0648\u062b\u0648\u0642\u064a\u0629 \u0645\u0638\u0647\u0631 \u0627\u0644\u0633\u0637\u062d \u0648\u0627\u0644\u0639\u064a\u0648\u0628 \u0627\u0644\u0645\u0627\u062f\u064a\u0629 \u0648\u0645\u062d\u0627\u0630\u0627\u0629 \u0627\u0644\u0645\u0643\u0648\u0646\u0627\u062a. \u0648\u063a\u0627\u0644\u0628\u0627\u064b \u0645\u0627 \u062a\u0638\u0647\u0631 \u0627\u0644\u0648\u0635\u0644\u0629 \u0627\u0644\u0628\u0627\u0631\u062f\u0629 \u0633\u0637\u062d\u0627\u064b \u0628\u0627\u0647\u062a\u0627\u064b \u0648\u0645\u062d\u0628\u0628\u0627\u064b \u0628\u062f\u0644\u0627\u064b \u0645\u0646 \u0627\u0644\u0633\u0637\u062d \u0627\u0644\u0644\u0627\u0645\u0639 \u0627\u0644\u0630\u064a \u064a\u0638\u0647\u0631 \u0641\u064a \u0648\u0635\u0644\u0627\u062a \u0627\u0644\u0644\u062d\u0627\u0645 \u062c\u064a\u062f\u0629 \u0627\u0644\u062a\u0643\u0648\u064a\u0646. \u062a\u0634\u064a\u0631 \u0627\u0644\u0634\u0642\u0648\u0642 \u0623\u0648 \u0627\u0644\u0641\u062c\u0648\u0627\u062a \u0628\u064a\u0646 \u0627\u0644\u0645\u0643\u0648\u0651\u0646 \u0648\u0627\u0644\u0648\u0633\u0627\u062f\u0629 \u0625\u0644\u0649 \u0639\u062f\u0645 \u0627\u0643\u062a\u0645\u0627\u0644 \u0627\u0644\u062a\u0631\u0627\u0628\u0637. \u064a\u0634\u064a\u0631 \u0627\u0644\u0644\u062d\u0627\u0645 \u0627\u0644\u0630\u064a \u064a\u0634\u0643\u0644 \u0634\u0643\u0644\u0627\u064b \u064a\u0634\u0628\u0647 \u0627\u0644\u0643\u0631\u0629 \u0628\u062f\u0644\u0627\u064b \u0645\u0646 \u0627\u0644\u0627\u0646\u0633\u064a\u0627\u0628 \u0628\u0633\u0644\u0627\u0633\u0629 \u0625\u0644\u0649 \u0639\u062f\u0645 \u0643\u0641\u0627\u064a\u0629 \u0627\u0644\u062d\u0631\u0627\u0631\u0629 \u0623\u0648 \u0636\u0639\u0641 \u0627\u0644\u062a\u0631\u0637\u064a\u0628. \u0642\u062f \u064a\u062e\u0641\u064a \u0631\u0641\u0639 \u0627\u0644\u0623\u0633\u0644\u0627\u0643\u060c \u062d\u064a\u062b \u064a\u0628\u062f\u0648 \u0627\u0644\u0645\u0643\u0648\u0651\u0646 \u0645\u0631\u062a\u0641\u0639\u064b\u0627 \u0623\u0648 \u0628\u0639\u064a\u062f\u064b\u0627 \u0639\u0646 \u0627\u0644\u0644\u0628\u0627\u062f\u0629\u060c \u0648\u0635\u0644\u0629 \u0628\u0627\u0631\u062f\u0629 \u062a\u062d\u062a\u0647\u0627.<\/p>\n<p>| Indicator                                                                                                                               | Description                                                                  |<br \/>\n| &#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212; | &#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;- |<br \/>\n| <a href=\"https:\/\/www.allpcb.com\/allelectrohub\/the-beginners-guide-to-visual-pcb-inspection-identifying-common-defects\">\u0645\u0638\u0647\u0631 \u0628\u0627\u0647\u062a \u0648\u0645\u062d\u0628\u0628<\/a> | Indicates insufficient heat during soldering, leading to poor conductivity.  |<br \/>\n| Cracks or Gaps                                                                                                                          | Visible separations between the component and pad signal a cold joint.       |<br \/>\n| Ball-Like Shape                                                                                                                         | Solder that beads up instead of flowing smoothly suggests a lack of bonding. |<br \/>\n| Lifting Leads                                                                                                                           | Components that appear off the pad may indicate a cold joint underneath.     |<\/p>\n<p>\u064a\u0633\u062a\u062e\u062f\u0645 \u0627\u0644\u0641\u0646\u064a\u0648\u0646 \u0623\u064a\u0636\u0627\u064b \u0642\u0627\u0626\u0645\u0629 \u0645\u0631\u0627\u062c\u0639\u0629 \u0644\u062a\u0633\u0631\u064a\u0639 \u0639\u0645\u0644\u064a\u0629 \u0627\u0644\u0641\u062d\u0635:<\/p>\n<ul>\n<li>\u0645\u0638\u0647\u0631 \u0628\u0627\u0647\u062a \u0648\u0645\u062d\u0628\u0628 \u0628\u062f\u0644\u0627\u064b \u0645\u0646 \u0627\u0644\u0644\u0645\u0639\u0627\u0646 \u0648\u0627\u0644\u0646\u0639\u0648\u0645\u0629<\/li>\n<li>\u0634\u0642\u0648\u0642 \u0623\u0648 \u0641\u062c\u0648\u0627\u062a \u0645\u0631\u0626\u064a\u0629 \u0628\u064a\u0646 \u0627\u0644\u0645\u0643\u0648\u0651\u0646 \u0648\u0627\u0644\u0648\u0633\u0627\u062f\u0629<\/li>\n<li>\u0634\u0643\u0644 \u064a\u0634\u0628\u0647 \u0627\u0644\u0643\u0631\u0629 \u0645\u0646 \u0627\u0644\u0644\u062d\u0627\u0645 \u0627\u0644\u0630\u064a \u0644\u0627 \u064a\u062a\u062f\u0641\u0642 \u0628\u0633\u0644\u0627\u0633\u0629<\/li>\n<li>\u062e\u064a\u0648\u0637 \u0627\u0644\u0631\u0641\u0639 \u062a\u0634\u064a\u0631 \u0625\u0644\u0649 \u0623\u0646 \u0627\u0644\u0645\u0643\u0648\u0646\u0627\u062a \u063a\u064a\u0631 \u0645\u062a\u0631\u0627\u0628\u0637\u0629 \u0628\u0634\u0643\u0644 \u0635\u062d\u064a\u062d<\/li>\n<\/ul>\n<blockquote>\n<p>\u0646\u0635\u064a\u062d\u0629: \u0627\u0633\u062a\u062e\u062f\u0645 \u0623\u062f\u0648\u0627\u062a \u0627\u0644\u062a\u0643\u0628\u064a\u0631 \u0644\u062a\u0639\u0632\u064a\u0632 \u0627\u0644\u0631\u0624\u064a\u0629 \u0648\u0627\u0644\u062a\u0642\u0627\u0637 \u0627\u0644\u0639\u064a\u0648\u0628 \u0627\u0644\u062f\u0642\u064a\u0642\u0629 \u0623\u062b\u0646\u0627\u0621 \u0627\u0644\u0641\u062d\u0635.<\/p>\n<\/blockquote>\n<h3 id=\"multimetertesting\">\u0627\u062e\u062a\u0628\u0627\u0631 \u0627\u0644\u0645\u0642\u064a\u0627\u0633 \u0627\u0644\u0645\u062a\u0639\u062f\u062f<\/h3>\n<p>\u064a\u0648\u0641\u0631 \u0627\u062e\u062a\u0628\u0627\u0631 \u0627\u0644\u0645\u0642\u064a\u0627\u0633 \u0627\u0644\u0645\u062a\u0639\u062f\u062f \u0637\u0631\u064a\u0642\u0629 \u0645\u0648\u062b\u0648\u0642\u0629 \u0644\u0644\u062a\u0623\u0643\u062f \u0645\u0646 <a href=\"https:\/\/www.chuxin-smt.com\/ar\/reflow-soldering-cooling-system-importance-optimization\/\">\u0627\u0644\u0645\u0641\u0627\u0635\u0644 \u0627\u0644\u0628\u0627\u0631\u062f\u0629<\/a> \u0628\u0639\u062f \u0627\u0644\u0641\u062d\u0635 \u0627\u0644\u0628\u0635\u0631\u064a. \u064a\u0636\u0628\u0637 \u0627\u0644\u0641\u0646\u064a\u0648\u0646 \u062c\u0647\u0627\u0632 \u0627\u0644\u0642\u064a\u0627\u0633 \u0627\u0644\u0645\u062a\u0639\u062f\u062f \u0639\u0644\u0649 <a href=\"https:\/\/www.pcbmay.com\/cold-solder-joints\/\">\u0642\u064a\u0627\u0633 \u0627\u0644\u0645\u0642\u0627\u0648\u0645\u0629<\/a> \u0648\u0648\u0636\u0639 \u0627\u0644\u0645\u062c\u0633\u0627\u062a \u0639\u0644\u0649 \u0623\u0633\u0644\u0627\u0643 \u0627\u0644\u0645\u0643\u0648\u0646\u0627\u062a \u0648\u0648\u0633\u0627\u062f\u0627\u062a \u062b\u0646\u0627\u0626\u064a \u0627\u0644\u0641\u064a\u0646\u064a\u0644 \u0645\u062a\u0639\u062f\u062f \u0627\u0644\u0643\u0644\u0648\u0631. \u062a\u0638\u0647\u0631 \u0627\u0644\u0648\u0635\u0644\u0629 \u0627\u0644\u0645\u0644\u062d\u0648\u0645\u0629 \u0628\u0634\u0643\u0644 \u0635\u062d\u064a\u062d \u0645\u0642\u0627\u0648\u0645\u0629 \u0645\u0646\u062e\u0641\u0636\u0629 \u0648\u0627\u0633\u062a\u0645\u0631\u0627\u0631\u064a\u0629 \u0645\u0633\u062a\u0642\u0631\u0629. \u0648\u0639\u0644\u0649 \u0627\u0644\u0646\u0642\u064a\u0636 \u0645\u0646 \u0630\u0644\u0643\u060c \u063a\u0627\u0644\u0628\u064b\u0627 \u0645\u0627 \u062a\u0639\u0631\u0636 \u0627\u0644\u0648\u0635\u0644\u0629 \u0627\u0644\u0628\u0627\u0631\u062f\u0629 \u0645\u0642\u0627\u0648\u0645\u0629 \u0623\u0639\u0644\u0649 \u0623\u0648 \u062a\u0641\u0634\u0644 \u0641\u064a \u062a\u0633\u062c\u064a\u0644 \u0642\u0631\u0627\u0621\u0629\u060c \u0645\u0645\u0627 \u064a\u0634\u064a\u0631 \u0625\u0644\u0649 \u0636\u0639\u0641 \u0627\u0644\u062a\u0648\u0635\u064a\u0644 \u0627\u0644\u0643\u0647\u0631\u0628\u0627\u0626\u064a. \u062a\u062a\u064a\u062d \u0647\u0630\u0647 \u0627\u0644\u0637\u0631\u064a\u0642\u0629 \u0644\u0644\u0641\u0646\u064a\u064a\u0646 \u062a\u062d\u062f\u064a\u062f \u0627\u0644\u0648\u0635\u0644\u0627\u062a \u0627\u0644\u0645\u0639\u064a\u0628\u0629 \u0627\u0644\u062a\u064a \u0642\u062f \u0644\u0627 \u062a\u0643\u0648\u0646 \u0648\u0627\u0636\u062d\u0629 \u0644\u0644\u0639\u064a\u0646 \u0627\u0644\u0645\u062c\u0631\u062f\u0629.<\/p>\n<p>\u064a\u062a\u0645\u064a\u0632 \u0627\u062e\u062a\u0628\u0627\u0631 \u0627\u0644\u0645\u0642\u064a\u0627\u0633 \u0627\u0644\u0645\u062a\u0639\u062f\u062f \u0628\u0641\u0639\u0627\u0644\u064a\u062a\u0647 \u0645\u0642\u0627\u0631\u0646\u0629 \u0628\u0637\u0631\u0642 \u0627\u0644\u062a\u0634\u062e\u064a\u0635 \u0627\u0644\u0623\u062e\u0631\u0649. \u0641\u0647\u0648 \u064a\u0642\u064a\u0633 \u0643\u0644\u0627\u064b \u0645\u0646 \u0627\u0644\u0645\u0642\u0627\u0648\u0645\u0629 \u0648\u0627\u0644\u0627\u0633\u062a\u0645\u0631\u0627\u0631\u064a\u0629\u060c \u0645\u0645\u0627 \u064a\u0633\u0627\u0639\u062f \u0639\u0644\u0649 \u062a\u062d\u062f\u064a\u062f \u0627\u0644\u0648\u0635\u0644\u0627\u062a \u0627\u0644\u0636\u0639\u064a\u0641\u0629 \u0623\u0648 \u0627\u0644\u0645\u062a\u0642\u0637\u0639\u0629. \u0639\u0646\u062f\u0645\u0627 \u062a\u0638\u0647\u0631 \u0627\u0644\u0648\u0635\u0644\u0629 \u0645\u0642\u0627\u0648\u0645\u0629 \u0639\u0627\u0644\u064a\u0629\u060c \u064a\u0639\u0631\u0641 \u0627\u0644\u0641\u0646\u064a\u0648\u0646 \u0623\u0646 \u0627\u0644\u0648\u0635\u0644\u0629 \u063a\u064a\u0631 \u0645\u0648\u062b\u0648\u0642\u0629 \u0648\u062a\u062d\u062a\u0627\u062c \u0625\u0644\u0649 \u0625\u0635\u0644\u0627\u062d. \u062a\u0636\u0645\u0646 \u0647\u0630\u0647 \u0627\u0644\u062a\u0642\u0646\u064a\u0629 \u0623\u0646 \u0643\u0644 \u0648\u0635\u0644\u0629 \u062a\u0641\u064a \u0628\u0627\u0644\u0645\u0639\u0627\u064a\u064a\u0631 \u0627\u0644\u0645\u0637\u0644\u0648\u0628\u0629 \u0644\u0644\u062a\u0648\u0635\u064a\u0644 \u0648\u0627\u0644\u0645\u0648\u062b\u0648\u0642\u064a\u0629.<\/p>\n<blockquote>\n<p>\u0645\u0644\u0627\u062d\u0638\u0629: \u0627\u062e\u062a\u0628\u0631 \u062f\u0627\u0626\u0645\u064b\u0627 \u0646\u0642\u0627\u0637\u064b\u0627 \u0645\u062a\u0639\u062f\u062f\u0629 \u0639\u0644\u0649 \u062b\u0646\u0627\u0626\u064a \u0627\u0644\u0641\u064a\u0646\u064a\u0644 \u0645\u062a\u0639\u062f\u062f \u0627\u0644\u0643\u0644\u0648\u0631 \u0644\u0636\u0645\u0627\u0646 \u062a\u063a\u0637\u064a\u0629 \u0634\u0627\u0645\u0644\u0629 \u0648\u062a\u062c\u0646\u0628 \u0641\u0642\u062f\u0627\u0646 \u0627\u0644\u0639\u064a\u0648\u0628 \u0627\u0644\u062e\u0641\u064a\u0629.<\/p>\n<\/blockquote>\n<h2 id=\"fixingcoldjoints\">\u0625\u0635\u0644\u0627\u062d \u0627\u0644\u0645\u0641\u0627\u0635\u0644 \u0627\u0644\u0628\u0627\u0631\u062f\u0629<\/h2>\n<p><figure class=\"wp-block-image alignnone\"><img decoding=\"async\" src=\"https:\/\/www.chuxin-smt.com\/wp-content\/uploads\/2025\/09\/1757037597-ebfd87763b4c4acda62f4ea9a571b02b.webp\" alt=\"Fixing Cold Joints\" ><\/figure>\n<\/p>\n<h3 id=\"hotairrework\">\u0625\u0639\u0627\u062f\u0629 \u0639\u0645\u0644 \u0627\u0644\u0647\u0648\u0627\u0621 \u0627\u0644\u0633\u0627\u062e\u0646<\/h3>\n<p>\u062a\u0648\u0641\u0631 \u0625\u0639\u0627\u062f\u0629 \u0627\u0644\u0639\u0645\u0644 \u0628\u0627\u0644\u0647\u0648\u0627\u0621 \u0627\u0644\u0633\u0627\u062e\u0646 \u0637\u0631\u064a\u0642\u0629 \u062f\u0642\u064a\u0642\u0629 \u0644\u0625\u0635\u0644\u0627\u062d \u0648\u0635\u0644\u0627\u062a \u0627\u0644\u0644\u062d\u0627\u0645 \u0627\u0644\u0645\u0639\u064a\u0628\u0629\u060c \u062e\u0627\u0635\u0629\u064b \u0641\u064a \u0627\u0644\u062a\u062c\u0645\u064a\u0639\u0627\u062a \u0627\u0644\u0645\u0639\u0642\u062f\u0629 \u0645\u062b\u0644 BGAs. \u064a\u062a\u0628\u0639 \u0627\u0644\u0641\u0646\u064a\u0648\u0646 \u0646\u0647\u062c\u064b\u0627 \u0645\u0646\u0638\u0645\u064b\u0627 \u0644\u0636\u0645\u0627\u0646 \u0627\u0644\u062d\u0635\u0648\u0644 \u0639\u0644\u0649 \u0646\u062a\u0627\u0626\u062c \u0645\u0648\u062b\u0648\u0642\u0629:<\/p>\n<ol>\n<li><strong><a href=\"https:\/\/www.allpcb.com\/fr-FR\/blog\/pcb-manufacturing\/bga-rework-demystified-a-practical-guide-to-hot-air-techniques.html\">\u0625\u0639\u062f\u0627\u062f \u0645\u0633\u0627\u062d\u0629 \u0627\u0644\u0639\u0645\u0644<\/a>:<\/strong> \u0642\u0645 \u0628\u062a\u0623\u0645\u064a\u0646 \u062b\u0646\u0627\u0626\u064a \u0627\u0644\u0641\u064a\u0646\u064a\u0644 \u0645\u062a\u0639\u062f\u062f \u0627\u0644\u0643\u0644\u0648\u0631 \u0648\u0631\u062a\u0628 \u062c\u0645\u064a\u0639 \u0627\u0644\u0623\u062f\u0648\u0627\u062a \u0627\u0644\u0644\u0627\u0632\u0645\u0629.<\/li>\n<li><strong>\u0642\u0645 \u0628\u062a\u0633\u062e\u064a\u0646 \u062b\u0646\u0627\u0626\u064a \u0627\u0644\u0641\u064a\u0646\u064a\u0644 \u0645\u062a\u0639\u062f\u062f \u0627\u0644\u0643\u0644\u0648\u0631:<\/strong> \u0627\u0633\u062a\u062e\u062f\u0645 \u062c\u0647\u0627\u0632 \u0627\u0644\u062a\u0633\u062e\u064a\u0646 \u0627\u0644\u0645\u0633\u0628\u0642 \u0628\u064a\u0646 100 \u062f\u0631\u062c\u0629 \u0645\u0626\u0648\u064a\u0629 \u0648150 \u062f\u0631\u062c\u0629 \u0645\u0626\u0648\u064a\u0629 \u0644\u0645\u062f\u0629 1-2 \u062f\u0642\u064a\u0642\u0629. \u062a\u0642\u0644\u0644 \u0647\u0630\u0647 \u0627\u0644\u062e\u0637\u0648\u0629 \u0645\u0646 \u0627\u0644\u0635\u062f\u0645\u0629 \u0627\u0644\u062d\u0631\u0627\u0631\u064a\u0629 \u0648\u062a\u0633\u0627\u0639\u062f \u0639\u0644\u0649 \u062a\u0648\u0632\u064a\u0639 \u0627\u0644\u062d\u0631\u0627\u0631\u0629 \u0628\u0627\u0644\u062a\u0633\u0627\u0648\u064a.<\/li>\n<li><strong>\u0625\u0632\u0627\u0644\u0629 \u0627\u0644\u0645\u0643\u0648\u0651\u0646 \u0627\u0644\u0642\u062f\u064a\u0645:<\/strong> \u0633\u062e\u0651\u0646 \u0627\u0644\u0645\u0646\u0637\u0642\u0629 \u0627\u0644\u0645\u0633\u062a\u0647\u062f\u0641\u0629 \u0625\u0644\u0649 220-250 \u062f\u0631\u062c\u0629 \u0645\u0626\u0648\u064a\u0629. \u0627\u0633\u062a\u062e\u062f\u0645 \u0623\u062f\u0627\u0629 \u062a\u0641\u0631\u064a\u063a \u0627\u0644\u0647\u0648\u0627\u0621 \u0644\u0631\u0641\u0639 \u0627\u0644\u0645\u0643\u0648\u0651\u0646 \u0628\u0631\u0641\u0642.<\/li>\n<li><strong>\u062a\u0646\u0638\u064a\u0641 \u0627\u0644\u0648\u0633\u0627\u062f\u0627\u062a:<\/strong> \u0623\u0632\u0644 \u0628\u0642\u0627\u064a\u0627 \u0627\u0644\u0644\u062d\u0627\u0645 \u0628\u0627\u0633\u062a\u062e\u062f\u0627\u0645 \u0641\u062a\u064a\u0644 \u0648\u0646\u0638\u0641 \u0627\u0644\u0645\u0646\u0637\u0642\u0629 \u0628\u0627\u0633\u062a\u062e\u062f\u0627\u0645 \u0643\u062d\u0648\u0644 \u0627\u0644\u0623\u064a\u0632\u0648\u0628\u0631\u0648\u0628\u064a\u0644.<\/li>\n<li><strong>\u062a\u0637\u0628\u064a\u0642 \u0627\u0644\u062a\u062f\u0641\u0642:<\/strong> \u0627\u0646\u0634\u0631 \u0637\u0628\u0642\u0629 \u0631\u0642\u064a\u0642\u0629 \u0648\u0645\u062a\u0633\u0627\u0648\u064a\u0629 \u0645\u0646 \u0627\u0644\u062a\u062f\u0641\u0642 \u0639\u0644\u0649 \u0627\u0644\u0644\u0628\u0627\u062f\u0627\u062a \u0644\u062a\u0639\u0632\u064a\u0632 \u062a\u062f\u0641\u0642 \u0627\u0644\u0644\u062d\u0627\u0645.<\/li>\n<li><strong>\u0636\u0639 \u0627\u0644\u0645\u0643\u0648\u0646 \u0627\u0644\u062c\u062f\u064a\u062f:<\/strong> \u0642\u0645 \u0628\u0645\u062d\u0627\u0630\u0627\u0629 \u0627\u0644\u062c\u0632\u0621 \u0627\u0644\u0628\u062f\u064a\u0644 \u0628\u0639\u0646\u0627\u064a\u0629. \u0642\u0645 \u0628\u062a\u0631\u0643\u064a\u0628 \u0643\u0631\u0627\u062a \u0644\u062d\u0627\u0645 \u062c\u062f\u064a\u062f\u0629 \u0625\u0630\u0627 \u0644\u0632\u0645 \u0627\u0644\u0623\u0645\u0631.<\/li>\n<li><strong>\u0625\u0639\u0627\u062f\u0629 \u0627\u0644\u062a\u062f\u0641\u0642 \u0628\u0627\u0644\u0647\u0648\u0627\u0621 \u0627\u0644\u0633\u0627\u062e\u0646:<\/strong> \u0627\u062a\u0628\u0639 \u0645\u0644\u0641 \u062f\u0631\u062c\u0629 \u0627\u0644\u062d\u0631\u0627\u0631\u0629 \u0627\u0644\u0645\u0648\u0635\u0649 \u0628\u0647 \u0644\u062a\u0634\u0643\u064a\u0644 \u0648\u0635\u0644\u0627\u062a \u0642\u0648\u064a\u0629.<\/li>\n<li><strong>\u0628\u0631\u0651\u062f \u0648\u0641\u062d\u0635:<\/strong> \u0627\u062a\u0631\u0643 \u0627\u0644\u0644\u0648\u062d \u0644\u064a\u0628\u0631\u062f \u0628\u0634\u0643\u0644 \u0637\u0628\u064a\u0639\u064a. \u0627\u0641\u062d\u0635 \u0627\u0644\u0648\u0635\u0644\u0627\u062a \u0644\u0644\u062a\u0623\u0643\u062f \u0645\u0646 \u062c\u0648\u062f\u062a\u0647\u0627.<\/li>\n<\/ol>\n<blockquote>\n<p><strong>\u0646\u0635\u064a\u062d\u0629:<\/strong> \u0627\u062a\u0631\u0643 \u0627\u0644\u0644\u0648\u062d \u062f\u0627\u0626\u0645\u064b\u0627 \u064a\u0628\u0631\u062f \u062a\u062f\u0631\u064a\u062c\u064a\u064b\u0627 \u0644\u0645\u0646\u0639 \u0627\u0644\u0625\u062c\u0647\u0627\u062f \u0627\u0644\u062d\u0631\u0627\u0631\u064a \u0648\u0627\u0644\u062a\u0634\u0642\u0642\u0627\u062a \u0627\u0644\u062f\u0642\u064a\u0642\u0629.<\/p>\n<\/blockquote>\n<p>\u062a\u0638\u0644 \u0627\u0644\u0633\u0644\u0627\u0645\u0629 \u0623\u0648\u0644\u0648\u064a\u0629 \u0642\u0635\u0648\u0649 \u0623\u062b\u0646\u0627\u0621 \u0625\u0639\u0627\u062f\u0629 \u0627\u0644\u0639\u0645\u0644 \u0628\u0627\u0644\u0647\u0648\u0627\u0621 \u0627\u0644\u0633\u0627\u062e\u0646. \u064a\u0644\u062e\u0635 \u0627\u0644\u062c\u062f\u0648\u0644 \u0627\u0644\u062a\u0627\u0644\u064a \u0627\u0644\u0627\u062d\u062a\u064a\u0627\u0637\u0627\u062a \u0627\u0644\u0623\u0633\u0627\u0633\u064a\u0629:<\/p>\n<p>| <a href=\"https:\/\/en.saikecn.com\/common-operating-steps-and-precautions-for-hot-air-rework-station.html\">\u0627\u062d\u062a\u064a\u0627\u0637\u0627\u062a \u0627\u0644\u0633\u0644\u0627\u0645\u0629<\/a> | Description                                                       |<br \/>\n| &#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212; | &#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8211; |<br \/>\n| Avoid Excessive Temperature                                                                                        | Set temperatures based on component heat tolerance.               |<br \/>\n| Gradual Heating                                                                                                    | Increase temperature slowly to avoid thermal shock.               |<br \/>\n| Appropriate Airflow                                                                                                | Adjust airflow to prevent displacement of small parts.            |<br \/>\n| Even Heating                                                                                                       | Move the hot air tool continuously for uniform heat distribution. |<br \/>\n| Anti-static Measures                                                                                               | Use anti-static wrist straps and mats.                            |<br \/>\n| Protective Measures                                                                                                | Wear safety glasses to guard against solder splashes.             |<br \/>\n| Ventilated Environment                                                                                             | Work in a well-ventilated area to reduce fume exposure.           |<br \/>\n| Equipment Inspection                                                                                               | Check the rework station for faults before use.                   |<br \/>\n| Cleaning and Maintenance                                                                                           | Clean tools after each session to maintain performance.           |<\/p>\n<p>\u064a\u0631\u062a\u062f\u064a \u0627\u0644\u0641\u0646\u064a\u0648\u0646 \u0623\u064a\u0636\u064b\u0627 \u0642\u0641\u0627\u0632\u0627\u062a \u0648\u0623\u0642\u0646\u0639\u0629 \u0645\u0642\u0627\u0648\u0645\u0629 \u0644\u0644\u062d\u0631\u0627\u0631\u0629 \u0648\u064a\u0641\u062d\u0635\u0648\u0646 \u0627\u0644\u0645\u0639\u062f\u0627\u062a \u0642\u0628\u0644 \u0627\u0644\u0627\u0633\u062a\u062e\u062f\u0627\u0645 \u0648\u064a\u0631\u0627\u0642\u0628\u0648\u0646 \u0625\u0639\u062f\u0627\u062f\u0627\u062a \u062f\u0631\u062c\u0629 \u0627\u0644\u062d\u0631\u0627\u0631\u0629 \u0639\u0646 \u0643\u062b\u0628. \u062a\u0633\u0627\u0639\u062f \u0647\u0630\u0647 \u0627\u0644\u062e\u0637\u0648\u0627\u062a \u0639\u0644\u0649 \u0645\u0646\u0639 \u0627\u0644\u062a\u0644\u0641 \u0627\u0644\u0639\u0631\u0636\u064a \u0644\u0644\u0645\u0643\u0648\u0646\u0627\u062a \u0627\u0644\u062d\u0633\u0627\u0633\u0629.<\/p>\n<h3 id=\"solderingirontechnique\">\u062a\u0642\u0646\u064a\u0629 \u0644\u062d\u0627\u0645 \u0627\u0644\u062d\u062f\u064a\u062f<\/h3>\n<p>\u062a\u0648\u0641\u0631 \u0645\u0643\u0648\u0627\u0629 \u0627\u0644\u0644\u062d\u0627\u0645 \u0637\u0631\u064a\u0642\u0629 \u0645\u0628\u0627\u0634\u0631\u0629 \u0648\u0645\u0636\u0628\u0648\u0637\u0629 \u0644\u0625\u0635\u0644\u0627\u062d \u0627\u0644\u0648\u0635\u0644\u0627\u062a \u0627\u0644\u0641\u0631\u062f\u064a\u0629. \u0648\u064a\u0633\u062a\u062e\u062f\u0645 \u0627\u0644\u0641\u0646\u064a\u0648\u0646 \u0647\u0630\u0647 \u0627\u0644\u0637\u0631\u064a\u0642\u0629 \u0644\u0644\u0645\u0643\u0648\u0646\u0627\u062a \u0639\u0628\u0631 \u0627\u0644\u0641\u062a\u062d\u0627\u062a \u0648\u0627\u0644\u0645\u0643\u0648\u0646\u0627\u062a \u0627\u0644\u0633\u0637\u062d\u064a\u0629. \u062a\u0636\u0645\u0646 \u0623\u0641\u0636\u0644 \u0627\u0644\u0645\u0645\u0627\u0631\u0633\u0627\u062a \u0627\u0644\u062a\u0627\u0644\u064a\u0629 \u0625\u062c\u0631\u0627\u0621 \u0625\u0635\u0644\u0627\u062d\u0627\u062a \u0641\u0639\u0627\u0644\u0629 \u062f\u0648\u0646 \u0625\u062a\u0644\u0627\u0641 \u0648\u0633\u0627\u062f\u0627\u062a \u062b\u0646\u0627\u0626\u064a \u0627\u0644\u0641\u064a\u0646\u064a\u0644 \u0645\u062a\u0639\u062f\u062f \u0627\u0644\u0643\u0644\u0648\u0631:<\/p>\n<ul>\n<li>\u0627\u0636\u0628\u0637 \u0645\u0643\u0648\u0627\u0629 \u0627\u0644\u0644\u062d\u0627\u0645 \u0639\u0644\u0649 \u062f\u0631\u062c\u0629 \u0627\u0644\u062d\u0631\u0627\u0631\u0629 \u0627\u0644\u0645\u0648\u0635\u0649 \u0628\u0647\u0627 \u0644\u0633\u0628\u064a\u0643\u0629 \u0627\u0644\u0644\u062d\u0627\u0645.<\/li>\n<li>\u0642\u0645 \u0628\u062a\u0633\u062e\u064a\u0646 \u0627\u0644\u0648\u0635\u0644\u0629 \u0645\u0628\u0627\u0634\u0631\u0629\u064b\u060c \u0645\u0645\u0627 \u064a\u0633\u0645\u062d \u0644\u0643\u0644 \u0645\u0646 \u0627\u0644\u0644\u0648\u062d\u0629 \u0648\u0631\u0635\u0627\u0635 \u0627\u0644\u0645\u0643\u0648\u0651\u0646 \u0628\u0627\u0644\u0648\u0635\u0648\u0644 \u0625\u0644\u0649 \u062f\u0631\u062c\u0629 \u062d\u0631\u0627\u0631\u0629 \u0627\u0644\u0644\u062d\u0627\u0645.<\/li>\n<li><a href=\"https:\/\/www.wellpcb.com\/blog\/pcb-assembly\/cold-solder-joint\/\">\u0636\u0639 \u0644\u062d\u0627\u0645\u0627\u064b \u062c\u062f\u064a\u062f\u0627\u064b<\/a> \u0623\u062b\u0646\u0627\u0621 \u062a\u0633\u062e\u064a\u0646 \u0627\u0644\u0648\u0635\u0644\u0629\u060c \u0645\u0645\u0627 \u064a\u0636\u0645\u0646 \u0627\u0646\u0633\u064a\u0627\u0628\u0647\u0627 \u0628\u0633\u0644\u0627\u0633\u0629 \u0648\u062a\u063a\u0637\u064a\u062a\u0647\u0627 \u0644\u0644\u0648\u0633\u0627\u062f\u0629.<\/li>\n<li>\u0627\u0633\u062a\u062e\u062f\u0645 \u0644\u062d\u0627\u0645 \u0648\u062a\u062f\u0641\u0642 \u0639\u0627\u0644\u064a \u0627\u0644\u062c\u0648\u062f\u0629 \u0644\u062a\u062d\u0633\u064a\u0646 \u0646\u0642\u0644 \u0627\u0644\u062d\u0631\u0627\u0631\u0629 \u0648\u0627\u0644\u062a\u0631\u0637\u064a\u0628.<\/li>\n<li>\u062d\u0627\u0641\u0638 \u0639\u0644\u0649 \u0648\u0642\u062a \u062a\u0644\u0627\u0645\u0633 \u0643\u0627\u0641\u064d \u0628\u064a\u0646 \u0627\u0644\u0645\u0643\u0648\u0627\u0629 \u0648\u0627\u0644\u0645\u0641\u0635\u0644\u060c \u0648\u0644\u0643\u0646 \u062a\u062c\u0646\u0628 \u0627\u0644\u062a\u0633\u062e\u064a\u0646 \u0644\u0641\u062a\u0631\u0627\u062a \u0637\u0648\u064a\u0644\u0629 \u0644\u0645\u0646\u0639 \u0631\u0641\u0639 \u0627\u0644\u0648\u0633\u0627\u062f\u0629.<\/li>\n<li>\u0646\u0638\u0641 \u0627\u0644\u0637\u0631\u0641 \u0628\u0627\u0646\u062a\u0638\u0627\u0645 \u0644\u0636\u0645\u0627\u0646 \u062a\u0648\u0635\u064a\u0644 \u0627\u0644\u062d\u0631\u0627\u0631\u0629 \u0628\u0643\u0641\u0627\u0621\u0629.<\/li>\n<\/ul>\n<blockquote>\n<p><strong>\u0645\u0644\u0627\u062d\u0638\u0629:<\/strong> \u062a\u0642\u0644\u0644 \u0627\u0644\u062a\u0642\u0646\u064a\u0629 \u0627\u0644\u0645\u0646\u0627\u0633\u0628\u0629 \u0645\u0646 \u062e\u0637\u0631 \u0625\u062a\u0644\u0627\u0641 \u0627\u0644\u0622\u062b\u0627\u0631 \u0623\u0648 \u0627\u0644\u0648\u0633\u0627\u062f\u0627\u062a \u0627\u0644\u062d\u0633\u0627\u0633\u0629 \u0623\u062b\u0646\u0627\u0621 \u0625\u0639\u0627\u062f\u0629 \u0627\u0644\u0639\u0645\u0644.<\/p>\n<\/blockquote>\n<p>\u0628\u0639\u062f \u0627\u0644\u0625\u0635\u0644\u0627\u062d\u060c \u064a\u0642\u0648\u0645 \u0627\u0644\u0641\u0646\u064a\u0648\u0646 \u0628\u0641\u062d\u0635 \u0627\u0644\u0648\u0635\u0644\u0629 \u0628\u0635\u0631\u064a\u0627\u064b \u0644\u0644\u062a\u0623\u0643\u062f \u0645\u0646 \u0623\u0646\u0647\u0627 \u0644\u0627\u0645\u0639\u0629 \u0648\u0646\u0627\u0639\u0645\u0629. \u0648\u064a\u062a\u062d\u0642\u0642\u0648\u0646 \u0623\u064a\u0636\u0627\u064b \u0645\u0646 \u0627\u0644\u0645\u062d\u0627\u0630\u0627\u0629 \u0627\u0644\u0633\u0644\u064a\u0645\u0629 \u0648\u0639\u062f\u0645 \u0648\u062c\u0648\u062f \u0641\u0627\u0626\u0636 \u0641\u064a \u0627\u0644\u0644\u062d\u0627\u0645.<\/p>\n<h3 id=\"usingflux\">\u0627\u0633\u062a\u062e\u062f\u0627\u0645 \u0627\u0644\u062a\u062f\u0641\u0642<\/h3>\n<p>Flux plays a critical role in successful <a href=\"https:\/\/www.chuxin-smt.com\/ar\/top-mistakes-in-reflow-soldering-high-defect-rates\/\">cold joint repair<\/a>s. Its application improves solderability and increases the likelihood of forming strong, reliable connections. Technicians benefit from flux in several ways:<\/p>\n<ul>\n<li>\u064a\u0639\u0645\u0644 \u0627\u0644\u062a\u062f\u0641\u0642 \u0639\u0644\u0649 \u0625\u0632\u0627\u0644\u0629 \u0627\u0644\u0623\u0643\u0627\u0633\u064a\u062f \u0645\u0646 \u0623\u0633\u0637\u062d \u0627\u0644\u0644\u0628\u0627\u062f\u0627\u062a \u0648\u0633\u0644\u0627\u0633\u0644 \u0627\u0644\u0645\u0643\u0648\u0646\u0627\u062a\u060c \u0648\u0647\u0648 \u0623\u0645\u0631 \u0636\u0631\u0648\u0631\u064a \u0644\u0644\u062a\u0631\u0637\u064a\u0628 \u0648\u0627\u0644\u0627\u0644\u062a\u0635\u0627\u0642 \u0627\u0644\u0645\u0646\u0627\u0633\u0628.<\/li>\n<li>\u064a\u0645\u0646\u0639 \u062a\u0643\u0648\u0646 \u0623\u0643\u0627\u0633\u064a\u062f \u062c\u062f\u064a\u062f\u0629 \u0642\u0628\u0644 \u0627\u0633\u062a\u062e\u062f\u0627\u0645 \u0627\u0644\u0644\u062d\u0627\u0645\u060c \u0645\u0645\u0627 \u064a\u062d\u0627\u0641\u0638 \u0639\u0644\u0649 \u0642\u0627\u0628\u0644\u064a\u0629 \u0644\u062d\u0627\u0645 \u0627\u0644\u0633\u0637\u062d.<\/li>\n<li>\u0623\u062b\u0646\u0627\u0621 \u0645\u0631\u062d\u0644\u0629 \u0627\u0644\u0646\u0642\u0639 \u0641\u064a \u0625\u0639\u0627\u062f\u0629 \u0627\u0644\u062a\u062f\u0641\u0642\u060c \u064a\u0636\u0645\u0646 \u062a\u0646\u0634\u064a\u0637 \u0627\u0644\u062a\u062f\u0641\u0642 \u062a\u0648\u0632\u064a\u0639\u064b\u0627 \u0645\u0648\u062d\u062f\u064b\u0627 \u0644\u062f\u0631\u062c\u0629 \u0627\u0644\u062d\u0631\u0627\u0631\u0629 \u0648\u064a\u0632\u064a\u062f \u0645\u0646 \u0641\u0639\u0627\u0644\u064a\u0629 \u0645\u0639\u062c\u0648\u0646 \u0627\u0644\u0644\u062d\u0627\u0645.<\/li>\n<\/ul>\n<p>\u064a\u0645\u0643\u0646 \u0623\u0646 \u064a\u0624\u062f\u064a \u0627\u0646\u062e\u0641\u0627\u0636 10 \u062f\u0631\u062c\u0627\u062a \u0645\u0626\u0648\u064a\u0629 \u0641\u0642\u0637 \u0641\u064a \u0645\u0631\u062d\u0644\u0629 \u0627\u0644\u0646\u0642\u0639 (180-200 \u062f\u0631\u062c\u0629 \u0645\u0626\u0648\u064a\u0629) \u0625\u0644\u0649 \u0632\u064a\u0627\u062f\u0629 \u062d\u062f\u0648\u062b \u0627\u0644\u0648\u0635\u0644\u0627\u062a \u0627\u0644\u0628\u0627\u0631\u062f\u0629 \u0628\u0645\u0642\u062f\u0627\u0631 25%. \u064a\u0633\u0627\u0639\u062f \u062a\u0637\u0628\u064a\u0642 \u0627\u0644\u062a\u062f\u0641\u0642 \u0642\u0628\u0644 \u0625\u0639\u0627\u062f\u0629 \u0627\u0644\u0639\u0645\u0644 \u0639\u0644\u0649 \u062a\u062c\u0646\u0628 \u0647\u0630\u0627 \u0627\u0644\u062e\u0637\u0631 \u0648\u064a\u0636\u0645\u0646 \u0646\u062a\u0627\u0626\u062c \u0645\u062a\u0633\u0642\u0629.<\/p>\n<blockquote>\n<p><strong>\u0646\u0635\u064a\u062d\u0629:<\/strong> \u0627\u0633\u062a\u062e\u062f\u0645 \u062f\u0627\u0626\u0645\u064b\u0627 \u0627\u0644\u0646\u0648\u0639 \u0627\u0644\u0635\u062d\u064a\u062d \u0645\u0646 \u0627\u0644\u062a\u062f\u0641\u0642 \u0648\u0643\u0645\u064a\u0629 \u0627\u0644\u062a\u062f\u0641\u0642 \u0627\u0644\u0635\u062d\u064a\u062d\u0629 \u0644\u0639\u0645\u0644\u064a\u0629 \u0627\u0644\u0644\u062d\u0627\u0645 \u0627\u0644\u0645\u062d\u062f\u062f\u0629 \u0644\u062a\u062c\u0646\u0628 \u0627\u0644\u0628\u0642\u0627\u064a\u0627 \u0648\u0636\u0645\u0627\u0646 \u0627\u0644\u0623\u062f\u0627\u0621 \u0627\u0644\u0623\u0645\u062b\u0644.<\/p>\n<\/blockquote>\n<h3 id=\"postrepairtesting\">\u0627\u062e\u062a\u0628\u0627\u0631 \u0645\u0627 \u0628\u0639\u062f \u0627\u0644\u0625\u0635\u0644\u0627\u062d<\/h3>\n<p>\u064a\u0639\u062f \u0627\u0644\u062a\u062d\u0642\u0642 \u0645\u0646 \u0633\u0644\u0627\u0645\u0629 \u0627\u0644\u0648\u0635\u0644\u0627\u062a \u0627\u0644\u062a\u064a \u062a\u0645 \u0625\u0635\u0644\u0627\u062d\u0647\u0627 \u0623\u0645\u0631\u064b\u0627 \u0636\u0631\u0648\u0631\u064a\u064b\u0627 \u0644\u0644\u0645\u0648\u062b\u0648\u0642\u064a\u0629 \u0639\u0644\u0649 \u0627\u0644\u0645\u062f\u0649 \u0627\u0644\u0637\u0648\u064a\u0644. \u064a\u0633\u062a\u062e\u062f\u0645 \u0627\u0644\u0641\u0646\u064a\u0648\u0646 \u0645\u062c\u0645\u0648\u0639\u0629 \u0645\u0646 \u0637\u0631\u0642 \u0627\u0644\u0641\u062d\u0635 \u0648\u0627\u0644\u0627\u062e\u062a\u0628\u0627\u0631:<\/p>\n<ol>\n<li><strong><a href=\"https:\/\/www.elepcb.com\/blog\/cold-solder-joint\/\">\u0627\u0644\u0641\u062d\u0635 \u0627\u0644\u0645\u062c\u0647\u0631\u064a<\/a>:<\/strong> \u0627\u0633\u062a\u062e\u062f\u0645 \u0639\u062f\u0633\u0629 \u0645\u0643\u0628\u0631\u0629 \u0623\u0648 \u0645\u062c\u0647\u0631 \u0644\u0644\u062a\u062d\u0642\u0642 \u0645\u0646 \u0648\u062c\u0648\u062f \u062a\u0631\u0637\u064a\u0628 \u063a\u064a\u0631 \u0645\u0643\u062a\u0645\u0644 \u0623\u0648 \u0641\u0642\u0627\u0639\u0627\u062a \u0635\u063a\u064a\u0631\u0629.<\/li>\n<li><strong>\u0627\u0644\u0641\u062d\u0635 \u0627\u0644\u0643\u0647\u0631\u0628\u0627\u0626\u064a:<\/strong> \u0642\u0645 \u0628\u0642\u064a\u0627\u0633 \u0627\u0644\u0645\u0642\u0627\u0648\u0645\u0629 \u0648\u0627\u0644\u0627\u0633\u062a\u0645\u0631\u0627\u0631\u064a\u0629 \u0628\u0627\u0633\u062a\u062e\u062f\u0627\u0645 \u0645\u0642\u064a\u0627\u0633 \u0645\u062a\u0639\u062f\u062f \u0644\u0644\u062a\u0623\u0643\u062f \u0645\u0646 \u0627\u0644\u062a\u0648\u0635\u064a\u0644\u0627\u062a \u0627\u0644\u0643\u0647\u0631\u0628\u0627\u0626\u064a\u0629 \u0627\u0644\u0635\u0644\u0628\u0629.<\/li>\n<li><strong>\u0627\u0644\u0641\u062d\u0635 \u0628\u0627\u0644\u0623\u0634\u0639\u0629 \u0627\u0644\u0633\u064a\u0646\u064a\u0629:<\/strong> \u0628\u0627\u0644\u0646\u0633\u0628\u0629 \u0644\u0644\u0648\u0635\u0644\u0627\u062a \u0627\u0644\u0645\u062e\u0641\u064a\u0629\u060c \u0645\u062b\u0644 \u062a\u0644\u0643 \u0627\u0644\u0645\u0648\u062c\u0648\u062f\u0629 \u062a\u062d\u062a BGAs\u060c \u0627\u0633\u062a\u062e\u062f\u0645 \u0627\u0644\u062a\u0635\u0648\u064a\u0631 \u0628\u0627\u0644\u0623\u0634\u0639\u0629 \u0627\u0644\u0633\u064a\u0646\u064a\u0629 \u0644\u0644\u0643\u0634\u0641 \u0639\u0646 \u0627\u0644\u0634\u0642\u0648\u0642 \u0623\u0648 \u0627\u0644\u062a\u0631\u0637\u064a\u0628 \u063a\u064a\u0631 \u0627\u0644\u0643\u0627\u0645\u0644.<\/li>\n<\/ol>\n<p>\u062a\u0624\u0643\u062f \u0647\u0630\u0647 \u0627\u0644\u062e\u0637\u0648\u0627\u062a \u0623\u0646 \u0627\u0644\u0625\u0635\u0644\u0627\u062d\u0627\u062a \u0642\u062f \u0627\u0633\u062a\u0639\u0627\u062f\u062a \u0643\u0644\u0627\u064b \u0645\u0646 \u0627\u0644\u0642\u0648\u0629 \u0627\u0644\u0645\u064a\u0643\u0627\u0646\u064a\u0643\u064a\u0629 \u0648\u0627\u0644\u0623\u062f\u0627\u0621 \u0627\u0644\u0643\u0647\u0631\u0628\u0627\u0626\u064a. \u0648\u064a\u0636\u0645\u0646 \u0627\u0644\u0627\u062e\u062a\u0628\u0627\u0631 \u0627\u0644\u0645\u062a\u0633\u0642 \u0628\u0639\u062f \u0627\u0644\u0625\u0635\u0644\u0627\u062d \u0623\u0646 \u0627\u0644\u0648\u0635\u0644\u0627\u062a \u0627\u0644\u0628\u0627\u0631\u062f\u0629 \u0644\u0627 \u062a\u0636\u0631 \u0628\u0627\u0644\u062c\u0648\u062f\u0629 \u0627\u0644\u0643\u0644\u064a\u0629 \u0644\u0644\u062a\u062c\u0645\u064a\u0639.<\/p>\n<h2 id=\"quickchecklist\">\u0642\u0627\u0626\u0645\u0629 \u0645\u0631\u0627\u062c\u0639\u0629 \u0633\u0631\u064a\u0639\u0629<\/h2>\n<h3 id=\"preventionsteps\">\u062e\u0637\u0648\u0627\u062a \u0627\u0644\u0648\u0642\u0627\u064a\u0629<\/h3>\n<p>\u064a\u0645\u0643\u0646 \u0644\u0644\u0641\u0646\u064a\u064a\u0646 \u0645\u0646\u0639 \u0627\u0644\u0648\u0635\u0644\u0627\u062a \u0627\u0644\u0628\u0627\u0631\u062f\u0629 \u0628\u0627\u062a\u0628\u0627\u0639 \u0646\u0647\u062c \u0645\u0646\u0638\u0645. \u062a\u0633\u0627\u0639\u062f \u0642\u0627\u0626\u0645\u0629 \u0627\u0644\u0645\u0631\u0627\u062c\u0639\u0629 \u0627\u0644\u0633\u0631\u064a\u0639\u0629 \u0641\u064a \u0627\u0644\u062d\u0641\u0627\u0638 \u0639\u0644\u0649 \u0645\u0639\u0627\u064a\u064a\u0631 \u0639\u0627\u0644\u064a\u0629 \u0648\u062a\u0642\u0644\u0644 \u0645\u0646 \u0645\u062e\u0627\u0637\u0631 \u0627\u0644\u0639\u064a\u0648\u0628:<\/p>\n<ul>\n<li><strong><a href=\"https:\/\/www.chuxin-smt.com\/ar\/reflow-oven-size-guide-for-pcb-production-volume-selection\/\">\u0627\u0644\u062a\u062d\u0642\u0642 \u0645\u0646 \u0625\u0639\u062f\u0627\u062f\u0627\u062a \u0645\u0644\u0641 \u0627\u0644\u062a\u0639\u0631\u064a\u0641 \u0627\u0644\u062d\u0631\u0627\u0631\u064a<\/a><\/strong> \u0642\u0628\u0644 \u0643\u0644 \u0639\u0645\u0644\u064a\u0629 \u0625\u0646\u062a\u0627\u062c.<\/li>\n<li><strong><a href=\"https:\/\/www.chuxin-smt.com\/ar\/beginners-guide-to-smt-peripheral-equipment-for-pcb-assembly\/\">\u0627\u062e\u062a\u0631 \u0645\u0639\u062c\u0648\u0646 \u0644\u062d\u0627\u0645 \u0639\u0627\u0644\u064a \u0627\u0644\u062c\u0648\u062f\u0629<\/a><\/strong> \u0648\u062a\u062e\u0632\u064a\u0646\u0647\u0627 \u0641\u064a \u062d\u0627\u0648\u064a\u0627\u062a \u0645\u062d\u0643\u0645\u0629 \u0627\u0644\u0625\u063a\u0644\u0627\u0642.<\/li>\n<li><strong>\u062a\u0646\u0638\u064a\u0641 \u0623\u0633\u0637\u062d \u062b\u0646\u0627\u0626\u064a \u0627\u0644\u0641\u064a\u0646\u064a\u0644 \u0645\u062a\u0639\u062f\u062f \u0627\u0644\u0643\u0644\u0648\u0631<\/strong> \u062c\u064a\u062f\u064b\u0627 \u0644\u0625\u0632\u0627\u0644\u0629 \u0627\u0644\u0645\u0644\u0648\u062b\u0627\u062a.<\/li>\n<li><strong>\u0641\u062d\u0635 \u0637\u0628\u0627\u0639\u0629 \u0627\u0644\u0627\u0633\u062a\u0646\u0633\u0644<\/strong> \u0644\u062a\u0631\u0633\u0628\u0627\u062a \u0645\u0639\u062c\u0648\u0646 \u0627\u0644\u0644\u062d\u0627\u0645 \u0627\u0644\u0645\u062a\u0646\u0627\u0633\u0642\u0629.<\/li>\n<li><strong>\u0645\u0631\u0627\u0642\u0628\u0629 \u0627\u0644\u0638\u0631\u0648\u0641 \u0627\u0644\u0628\u064a\u0626\u064a\u0629<\/strong> \u0645\u062b\u0644 \u0627\u0644\u0631\u0637\u0648\u0628\u0629 \u0648\u062f\u0631\u062c\u0629 \u0627\u0644\u062d\u0631\u0627\u0631\u0629.<\/li>\n<li><strong>\u062a\u062f\u0631\u064a\u0628 \u0627\u0644\u0645\u0648\u0638\u0641\u064a\u0646 \u0628\u0627\u0646\u062a\u0638\u0627\u0645<\/strong> \u0644\u0644\u062a\u0639\u0631\u0641 \u0639\u0644\u0649 \u0623\u062e\u0637\u0627\u0621 \u0627\u0644\u0644\u062d\u0627\u0645 \u0627\u0644\u0634\u0627\u0626\u0639\u0629 \u0648\u062a\u062c\u0646\u0628\u0647\u0627.<\/li>\n<li><strong>\u0627\u0633\u062a\u062e\u062f\u0645 \u0627\u0644\u062a\u062f\u0641\u0642 \u0628\u0634\u0643\u0644 \u0645\u0646\u0627\u0633\u0628<\/strong> \u0644\u062a\u0639\u0632\u064a\u0632 \u0627\u0644\u062a\u0631\u0637\u064a\u0628 \u0648\u0627\u0644\u0627\u0644\u062a\u0635\u0627\u0642 \u0627\u0644\u0645\u0646\u0627\u0633\u0628.<\/li>\n<\/ul>\n<blockquote>\n<p>\ud83d\udee1\ufe0f <strong>\u0646\u0635\u064a\u062d\u0629:<\/strong> \u062a\u0633\u0627\u0639\u062f \u0627\u0644\u062f\u0648\u0631\u0627\u062a \u0627\u0644\u062a\u062f\u0631\u064a\u0628\u064a\u0629 \u0627\u0644\u0645\u0646\u062a\u0638\u0645\u0629 \u0627\u0644\u0641\u0646\u064a\u064a\u0646 \u0639\u0644\u0649 \u062a\u062d\u062f\u064a\u062f \u0627\u0644\u0648\u0635\u0644\u0627\u062a \u0627\u0644\u0628\u0627\u0631\u062f\u0629 \u0645\u0628\u0643\u0631\u0627\u064b \u0648\u062a\u0637\u0628\u064a\u0642 \u0623\u0641\u0636\u0644 \u0627\u0644\u0645\u0645\u0627\u0631\u0633\u0627\u062a \u0623\u062b\u0646\u0627\u0621 \u0627\u0644\u062a\u062c\u0645\u064a\u0639.<\/p>\n<\/blockquote>\n<h3 id=\"repairsteps\">\u062e\u0637\u0648\u0627\u062a \u0627\u0644\u0625\u0635\u0644\u0627\u062d<\/h3>\n<p>\u062a\u0639\u0645\u0644 \u0627\u0644\u0642\u0627\u0626\u0645\u0629 \u0627\u0644\u0645\u0631\u062c\u0639\u064a\u0629 \u0627\u0644\u0645\u0648\u062d\u062f\u0629 \u0644\u0644\u0625\u0635\u0644\u0627\u062d \u0639\u0644\u0649 \u062a\u062d\u0633\u064a\u0646 \u0627\u0644\u0627\u062a\u0633\u0627\u0642 \u0648\u0627\u0644\u0645\u0648\u062b\u0648\u0642\u064a\u0629 \u0641\u064a \u0625\u0635\u0644\u0627\u062d \u0627\u0644\u0648\u0635\u0644\u0627\u062a \u0627\u0644\u0628\u0627\u0631\u062f\u0629. \u064a\u062c\u0628 \u0639\u0644\u0649 \u0627\u0644\u0641\u0646\u064a\u064a\u0646 \u0627\u062a\u0628\u0627\u0639 \u0647\u0630\u0647 \u0627\u0644\u062e\u0637\u0648\u0627\u062a \u0644\u0625\u062c\u0631\u0627\u0621 \u0625\u0635\u0644\u0627\u062d\u0627\u062a \u0641\u0639\u0627\u0644\u0629:<\/p>\n<ol>\n<li><strong>\u062a\u062c\u0647\u064a\u0632 \u0645\u0633\u0627\u062d\u0629 \u0627\u0644\u0639\u0645\u0644<\/strong> \u0645\u0639 \u062c\u0645\u064a\u0639 \u0627\u0644\u0623\u062f\u0648\u0627\u062a \u0648\u0645\u0639\u062f\u0627\u062a \u0627\u0644\u0633\u0644\u0627\u0645\u0629 \u0627\u0644\u0644\u0627\u0632\u0645\u0629.<\/li>\n<li><strong>\u0642\u0645 \u0628\u062a\u0633\u062e\u064a\u0646 \u062b\u0646\u0627\u0626\u064a \u0627\u0644\u0641\u064a\u0646\u064a\u0644 \u0645\u062a\u0639\u062f\u062f \u0627\u0644\u0643\u0644\u0648\u0631<\/strong> \u0644\u062a\u0642\u0644\u064a\u0644 \u0627\u0644\u0635\u062f\u0645\u0629 \u0627\u0644\u062d\u0631\u0627\u0631\u064a\u0629.<\/li>\n<li><strong>\u0642\u0645 \u0628\u0625\u0632\u0627\u0644\u0629 \u0627\u0644\u0645\u0643\u0648\u0646 \u0627\u0644\u0645\u0639\u064a\u0628<\/strong> \u0628\u0627\u0633\u062a\u062e\u062f\u0627\u0645 \u0627\u0644\u0647\u0648\u0627\u0621 \u0627\u0644\u0633\u0627\u062e\u0646 \u0623\u0648 \u0645\u0643\u0648\u0627\u0629 \u0627\u0644\u0644\u062d\u0627\u0645.<\/li>\n<li><strong>\u062a\u0646\u0638\u064a\u0641 \u0627\u0644\u0648\u0633\u0627\u062f\u0627\u062a<\/strong> \u0628\u0641\u062a\u064a\u0644 \u0644\u062d\u0627\u0645 \u0648\u0643\u062d\u0648\u0644 \u0627\u0644\u0623\u064a\u0632\u0648\u0628\u0631\u0648\u0628\u064a\u0644.<\/li>\n<li><strong>\u062a\u0637\u0628\u064a\u0642 \u0627\u0644\u062a\u062f\u0641\u0642<\/strong> \u0644\u062a\u0639\u0632\u064a\u0632 \u062a\u062f\u0641\u0642 \u0627\u0644\u0644\u062d\u0627\u0645 \u0648\u0627\u0644\u0627\u0644\u062a\u0635\u0627\u0642.<\/li>\n<li><strong>\u062a\u062b\u0628\u064a\u062a \u0627\u0644\u0645\u0643\u0648\u0646 \u0627\u0644\u062c\u062f\u064a\u062f<\/strong> \u0648\u0645\u0648\u0627\u0621\u0645\u062a\u0647\u0627 \u0628\u062f\u0642\u0629.<\/li>\n<li><strong>\u0625\u0639\u0627\u062f\u0629 \u0627\u0644\u062a\u062f\u0641\u0642 \u0623\u0648 \u0625\u0639\u0627\u062f\u0629 \u0644\u062d\u0627\u0645 \u0627\u0644\u0648\u0635\u0644\u0629<\/strong> \u0628\u0627\u0633\u062a\u062e\u062f\u0627\u0645 \u0645\u0644\u0641 \u062f\u0631\u062c\u0629 \u0627\u0644\u062d\u0631\u0627\u0631\u0629 \u0627\u0644\u0635\u062d\u064a\u062d.<\/li>\n<li><strong>\u0641\u062d\u0635 \u0627\u0644\u0645\u0641\u0635\u0644 \u0627\u0644\u0630\u064a \u062a\u0645 \u0625\u0635\u0644\u0627\u062d\u0647<\/strong> \u0628\u0635\u0631\u064a\u0627\u064b \u0648\u0628\u0645\u0642\u064a\u0627\u0633 \u0645\u062a\u0639\u062f\u062f.<\/li>\n<\/ol>\n<p>\u064a\u0633\u0644\u0637 \u0627\u0644\u062c\u062f\u0648\u0644 \u0627\u0644\u062a\u0627\u0644\u064a \u0627\u0644\u0636\u0648\u0621 \u0639\u0644\u0649 <a href=\"https:\/\/www.tradeaiders.com\/essential-practices-for-electronics-manufacturing-quality-control.html\">\u0627\u0644\u0645\u0645\u0627\u0631\u0633\u0627\u062a \u0627\u0644\u062a\u064a \u062a\u062f\u0639\u0645 \u0625\u0635\u0644\u0627\u062d\u0627\u062a \u0627\u0644\u0645\u0641\u0627\u0635\u0644 \u0627\u0644\u0628\u0627\u0631\u062f\u0629 \u0627\u0644\u0645\u062a\u0633\u0642\u0629<\/a>:<\/p>\n<p>| Practice                        | Description                                                                |<br \/>\n| &#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;- | &#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8211; |<br \/>\n| Use proper soldering techniques | Ensures strong and reliable connections, reducing the risk of cold joints. |<br \/>\n| Train technicians               | Helps in quickly identifying and fixing soldering defects.                 |<br \/>\n| Inspect PCBs post-soldering     | Ensures quality control and compliance, preventing defects.                |<\/p>\n<blockquote>\n<p>\ud83d\udd0d <strong>\u0645\u0644\u0627\u062d\u0638\u0629:<\/strong> \u064a\u0624\u0643\u062f \u0627\u0644\u0641\u062d\u0635 \u0628\u0639\u062f \u0627\u0644\u0625\u0635\u0644\u0627\u062d \u0645\u0639 \u0627\u0644\u062a\u0643\u0628\u064a\u0631 \u0648\u0627\u0644\u0627\u062e\u062a\u0628\u0627\u0631 \u0627\u0644\u0643\u0647\u0631\u0628\u0627\u0626\u064a \u0633\u0644\u0627\u0645\u0629 \u0643\u0644 \u0648\u0635\u0644\u0629.<\/p>\n<\/blockquote>\n<p>\u064a\u0648\u0635\u064a \u062e\u0628\u0631\u0627\u0621 \u0627\u0644\u0635\u0646\u0627\u0639\u0629 \u0628\u0639\u062f\u0629 \u0627\u0633\u062a\u0631\u0627\u062a\u064a\u062c\u064a\u0627\u062a \u0644\u0644\u0648\u0642\u0627\u064a\u0629 \u0645\u0646 \u0628\u0631\u0648\u062f\u0629 \u0627\u0644\u0645\u0641\u0627\u0635\u0644:<\/p>\n<ul>\n<li><a href=\"https:\/\/medium.com\/parking-lot-care-news\/optimizing-asphalt-paving-strategies-to-prevent-non-seamless-joints-with-proper-spreader-0813629205c9\">\u0645\u0639\u0627\u064a\u0631\u0629 \u0627\u0644\u0645\u0648\u0632\u0639\u0627\u062a \u0644\u0644\u062a\u062d\u0643\u0645 \u0641\u064a \u062f\u0631\u062c\u0629 \u0627\u0644\u062d\u0631\u0627\u0631\u0629<\/a> \u0628\u0627\u0633\u062a\u062e\u062f\u0627\u0645 \u0645\u0633\u062a\u0634\u0639\u0631\u0627\u062a \u0627\u0644\u0623\u0634\u0639\u0629 \u062a\u062d\u062a \u0627\u0644\u062d\u0645\u0631\u0627\u0621.<\/li>\n<li>\u062a\u062d\u0633\u064a\u0646 \u0633\u0631\u0639\u0629 \u0627\u0644\u0645\u0648\u0632\u0639\u0629 \u0648\u0645\u0648\u0627\u0621\u0645\u062a\u0647\u0627 \u0645\u0646 \u062e\u0644\u0627\u0644 \u062a\u062f\u0631\u064a\u0628 \u0627\u0644\u0645\u0634\u063a\u0644.<\/li>\n<li>\u062a\u0637\u0628\u064a\u0642 \u062a\u0642\u0646\u064a\u0627\u062a \u0627\u0644\u0631\u0635\u0641 \u0627\u0644\u0635\u062d\u064a\u062d\u0629\u060c \u0628\u0645\u0627 \u0641\u064a \u0630\u0644\u0643 \u0627\u0644\u0648\u0635\u0644\u0627\u062a \u0627\u0644\u0633\u0627\u062e\u0646\u0629 \u0648\u0627\u0644\u0637\u0628\u0642\u0627\u062a \u0627\u0644\u0644\u0627\u0635\u0642\u0629.<\/li>\n<li>\u0625\u062c\u0631\u0627\u0621 \u0639\u0645\u0644\u064a\u0627\u062a \u0641\u062d\u0635 \u0645\u0646\u062a\u0638\u0645\u0629 \u0644\u0644\u0641\u0635\u0644 \u0627\u0644\u062d\u0631\u0627\u0631\u064a \u0648\u062c\u0648\u062f\u0629 \u0627\u0644\u0648\u0635\u0644\u0627\u062a.<\/li>\n<li>\u0627\u0633\u062a\u062e\u062f\u0627\u0645 \u0623\u0646\u0638\u0645\u0629 \u0627\u0644\u062a\u062d\u0643\u0645 \u0627\u0644\u0622\u0644\u064a \u0648\u0643\u0627\u0645\u064a\u0631\u0627\u062a \u0627\u0644\u062a\u0635\u0648\u064a\u0631 \u0627\u0644\u062d\u0631\u0627\u0631\u064a.<\/li>\n<\/ul>\n<p>\u062a\u0644\u0639\u0628 \u0645\u0631\u0627\u0642\u0628\u0629 \u0627\u0644\u0639\u0645\u0644\u064a\u0627\u062a \u0648\u0627\u0644\u0641\u062d\u0635 \u062f\u0648\u0631\u064b\u0627 \u062d\u064a\u0648\u064a\u064b\u0627 \u0641\u064a \u0627\u0644\u062d\u062f \u0645\u0646 \u0627\u0644\u0639\u064a\u0648\u0628:<\/p>\n<p>| Method                                                                                                                           | Contribution to Defect Reduction                                      |<br \/>\n| &#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8211; | &#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212; |<br \/>\n| <a href=\"https:\/\/www.smtfactory.com\/How-To-Prevent-Defects-And-Ensure-Clean-SMT-Assemblies-id43808696.html\">\u0645\u0631\u0627\u0642\u0628\u0629 \u0627\u0644\u0639\u0645\u0644\u064a\u0627\u062a \u0627\u0644\u0625\u062d\u0635\u0627\u0626\u064a\u0629<\/a> | Monitors solder paste volume and reflow temperatures for consistency. |<br \/>\n| Reflow Profiles                                                                                                                  | Optimizes temperatures to avoid common soldering defects.             |<br \/>\n| Stencil Cleaning and Alignment                                                                                                   | Prevents paste build-up and misalignment.                             |<br \/>\n| Automated Optical Inspection                                                                                                     | Detects misalignment and solder bridges early.                        |<br \/>\n| X-ray Inspection                                                                                                                 | Finds hidden defects in complex packages.                             |<\/p>\n<p>\u064a\u062d\u0642\u0642 \u0627\u0644\u0641\u0646\u064a\u0648\u0646 \u0646\u062a\u0627\u0626\u062c \u0645\u0648\u062b\u0648\u0642\u0629 \u0645\u0646 \u062e\u0644\u0627\u0644 \u0627\u062a\u0628\u0627\u0639 \u0642\u0627\u0626\u0645\u0629 \u0627\u0644\u0645\u0631\u0627\u062c\u0639\u0629 \u0648\u0627\u0644\u062d\u0641\u0627\u0638 \u0639\u0644\u0649 \u0631\u0642\u0627\u0628\u0629 \u0635\u0627\u0631\u0645\u0629 \u0639\u0644\u0649 \u0627\u0644\u0639\u0645\u0644\u064a\u0629. \u064a\u0636\u0645\u0646 \u0627\u0644\u0641\u062d\u0635 \u0627\u0644\u0645\u0646\u062a\u0638\u0645 \u0648\u062c\u0648\u062f \u0648\u0635\u0644\u0627\u062a \u0644\u062d\u0627\u0645 \u0642\u0648\u064a\u0629 \u0648\u0623\u062f\u0627\u0621 \u062a\u062c\u0645\u064a\u0639 \u0637\u0648\u064a\u0644 \u0627\u0644\u0623\u062c\u0644.<\/p>\n<h2 id=\"faq\">\u0627\u0644\u0623\u0633\u0626\u0644\u0629 \u0627\u0644\u0634\u0627\u0626\u0639\u0629<\/h2>\n<h3 id=\"whatcausescoldjointsinreflowsoldering\">\u0645\u0627 \u0627\u0644\u0630\u064a \u064a\u0633\u0628\u0628 \u0627\u0644\u0648\u0635\u0644\u0627\u062a \u0627\u0644\u0628\u0627\u0631\u062f\u0629 \u0641\u064a \u0639\u0645\u0644\u064a\u0629 \u0625\u0639\u0627\u062f\u0629 \u0627\u0644\u0644\u062d\u0627\u0645 \u0628\u0627\u0644\u0625\u0646\u062d\u0633\u0631\u061f<\/h3>\n<p>\u063a\u0627\u0644\u0628\u064b\u0627 \u0645\u0627 \u062a\u0646\u062a\u062c \u0627\u0644\u0648\u0635\u0644\u0627\u062a \u0627\u0644\u0628\u0627\u0631\u062f\u0629 \u0639\u0646 \u0627\u0644\u062d\u0631\u0627\u0631\u0629 \u063a\u064a\u0631 \u0627\u0644\u0643\u0627\u0641\u064a\u0629 \u0623\u0648 \u0633\u0648\u0621 \u062c\u0648\u062f\u0629 \u0645\u0639\u062c\u0648\u0646 \u0627\u0644\u0644\u062d\u0627\u0645 \u0623\u0648 \u0627\u0644\u0627\u0636\u0637\u0631\u0627\u0628\u0627\u062a \u0623\u062b\u0646\u0627\u0621 \u0639\u0645\u0644\u064a\u0629 \u0627\u0644\u0644\u062d\u0627\u0645. \u064a\u062c\u0628 \u0639\u0644\u0649 \u0627\u0644\u0641\u0646\u064a\u064a\u0646 \u0645\u0631\u0627\u0642\u0628\u0629 \u0645\u0644\u0627\u0645\u062d \u062f\u0631\u062c\u0629 \u0627\u0644\u062d\u0631\u0627\u0631\u0629 \u0648\u0627\u0644\u062a\u0623\u0643\u062f \u0645\u0646 \u0646\u0638\u0627\u0641\u0629 \u0627\u0644\u0623\u0633\u0637\u062d \u0644\u0645\u0646\u0639 \u0647\u0630\u0647 \u0627\u0644\u0639\u064a\u0648\u0628.<\/p>\n<h3 id=\"howcantechniciansidentifyacoldjoint\">\u0643\u064a\u0641 \u064a\u0645\u0643\u0646 \u0644\u0644\u0641\u0646\u064a\u064a\u0646 \u062a\u062d\u062f\u064a\u062f \u0627\u0644\u0645\u0641\u0635\u0644 \u0627\u0644\u0628\u0627\u0631\u062f\u061f<\/h3>\n<p>\u064a\u0642\u0648\u0645 \u0627\u0644\u0641\u0646\u064a\u0648\u0646 \u0628\u0627\u0643\u062a\u0634\u0627\u0641 \u0627\u0644\u0648\u0635\u0644\u0627\u062a \u0627\u0644\u0628\u0627\u0631\u062f\u0629 \u0645\u0646 \u062e\u0644\u0627\u0644 \u0627\u0644\u0628\u062d\u062b \u0639\u0646 \u0627\u0644\u0623\u0633\u0637\u062d \u0627\u0644\u0628\u0627\u0647\u062a\u0629 \u0623\u0648 \u0627\u0644\u0645\u062d\u0628\u0628\u0629 \u0623\u0648 \u0627\u0644\u0634\u0642\u0648\u0642 \u062d\u0648\u0644 \u0627\u0644\u0644\u062d\u0627\u0645. \u0643\u0645\u0627 \u064a\u0633\u062a\u062e\u062f\u0645\u0648\u0646 \u0623\u064a\u0636\u0627\u064b \u0645\u0642\u064a\u0627\u0633 \u0645\u062a\u0639\u062f\u062f \u0644\u0644\u062a\u062d\u0642\u0642 \u0645\u0646 \u0627\u0644\u0645\u0642\u0627\u0648\u0645\u0629 \u0627\u0644\u0639\u0627\u0644\u064a\u0629 \u0623\u0648 \u0627\u0644\u0648\u0635\u0644\u0627\u062a \u0627\u0644\u0645\u062a\u0642\u0637\u0639\u0629.<\/p>\n<h3 id=\"cancoldjointsberepairedwithoutremovingthecomponent\">\u0647\u0644 \u064a\u0645\u0643\u0646 \u0625\u0635\u0644\u0627\u062d \u0627\u0644\u0648\u0635\u0644\u0627\u062a \u0627\u0644\u0628\u0627\u0631\u062f\u0629 \u062f\u0648\u0646 \u0625\u0632\u0627\u0644\u0629 \u0627\u0644\u0645\u0643\u0648\u0646\u061f<\/h3>\n<p>\u0646\u0639\u0645. \u064a\u0645\u0643\u0646 \u0644\u0644\u0641\u0646\u064a\u064a\u0646 \u0627\u0633\u062a\u062e\u062f\u0627\u0645 \u0645\u0643\u0648\u0627\u0629 \u0644\u062d\u0627\u0645 \u0648\u062a\u062f\u0641\u0642 \u0644\u0625\u0639\u0627\u062f\u0629 \u062a\u0633\u062e\u064a\u0646 \u0627\u0644\u0648\u0635\u0644\u0629 \u0648\u0648\u0636\u0639 \u0644\u062d\u0627\u0645 \u062c\u062f\u064a\u062f. \u062a\u0633\u062a\u0639\u064a\u062f \u0647\u0630\u0647 \u0627\u0644\u0637\u0631\u064a\u0642\u0629 \u0627\u0644\u0633\u0644\u0627\u0645\u0629 \u0627\u0644\u0643\u0647\u0631\u0628\u0627\u0626\u064a\u0629 \u0648\u0627\u0644\u0645\u064a\u0643\u0627\u0646\u064a\u0643\u064a\u0629 \u062f\u0648\u0646 \u0625\u0632\u0627\u0644\u0629 \u0627\u0644\u0645\u0643\u0648\u0646.<\/p>\n<h3 id=\"whattoolshelppreventcoldjointsduringassembly\">\u0645\u0627 \u0647\u064a \u0627\u0644\u0623\u062f\u0648\u0627\u062a \u0627\u0644\u062a\u064a \u062a\u0633\u0627\u0639\u062f \u0639\u0644\u0649 \u0645\u0646\u0639 \u0627\u0644\u0648\u0635\u0644\u0627\u062a \u0627\u0644\u0628\u0627\u0631\u062f\u0629 \u0623\u062b\u0646\u0627\u0621 \u0627\u0644\u062a\u062c\u0645\u064a\u0639\u061f<\/h3>\n<p><a href=\"https:\/\/www.chuxin-smt.com\/ar\/resources\/user-manuals\/\">\u062a\u0634\u0645\u0644 \u0627\u0644\u0623\u062f\u0648\u0627\u062a \u0627\u0644\u0631\u0626\u064a\u0633\u064a\u0629 \u0623\u062c\u0647\u0632\u0629 \u062a\u062d\u062f\u064a\u062f \u0627\u0644\u0645\u0644\u0627\u0645\u062d \u0627\u0644\u062d\u0631\u0627\u0631\u064a\u0629<\/a>\u0648\u0623\u0646\u0638\u0645\u0629 \u0641\u062d\u0635 \u0639\u062c\u064a\u0646\u0629 \u0627\u0644\u0644\u062d\u0627\u0645 \u0648\u0645\u0639\u062f\u0627\u062a \u0627\u0644\u0641\u062d\u0635 \u0627\u0644\u0628\u0635\u0631\u064a \u0627\u0644\u0622\u0644\u064a. \u062a\u0633\u0627\u0639\u062f \u0647\u0630\u0647 \u0627\u0644\u0623\u062f\u0648\u0627\u062a \u0641\u064a \u0627\u0644\u062d\u0641\u0627\u0638 \u0639\u0644\u0649 \u0627\u0644\u062a\u062d\u0643\u0645 \u0641\u064a \u0627\u0644\u0639\u0645\u0644\u064a\u0629 \u0648\u0636\u0645\u0627\u0646 \u0627\u062a\u0633\u0627\u0642 \u062c\u0648\u062f\u0629 \u0627\u0644\u0644\u062d\u0627\u0645.<\/p>\n<h3 id=\"whyisfluximportantincoldjointrepair\">\u0645\u0627 \u0623\u0647\u0645\u064a\u0629 \u0627\u0644\u062a\u062f\u0641\u0642 \u0641\u064a \u0625\u0635\u0644\u0627\u062d \u0627\u0644\u0645\u0641\u0627\u0635\u0644 \u0627\u0644\u0628\u0627\u0631\u062f\u0629\u061f<\/h3>\n<p>\u064a\u0632\u064a\u0644 \u0627\u0644\u062a\u062f\u0641\u0642 \u0627\u0644\u0623\u0643\u0627\u0633\u064a\u062f \u0648\u064a\u062d\u0633\u0646 \u062a\u062f\u0641\u0642 \u0627\u0644\u0644\u062d\u0627\u0645. \u0648\u064a\u0633\u0627\u0639\u062f \u0627\u0644\u0644\u062d\u0627\u0645 \u0639\u0644\u0649 \u0627\u0644\u0627\u0644\u062a\u0635\u0627\u0642 \u0628\u0634\u0643\u0644 \u0635\u062d\u064a\u062d \u0628\u0627\u0644\u0644\u062d\u0627\u0645 \u0639\u0644\u0649 \u0627\u0644\u0644\u0648\u062d\u0629 \u0648\u0631\u0635\u0627\u0635 \u0627\u0644\u0645\u0643\u0648\u0646\u0627\u062a\u060c \u0645\u0645\u0627 \u064a\u0642\u0644\u0644 \u0645\u0646 \u062e\u0637\u0631 \u062d\u062f\u0648\u062b \u0648\u0635\u0644\u0629 \u0628\u0627\u0631\u062f\u0629 \u0623\u062e\u0631\u0649.<\/p>","protected":false},"excerpt":{"rendered":"<p>Solve cold joints in reflow soldering with expert tips on identification, prevention, and repair for strong, reliable solder connections.<\/p>","protected":false},"author":1,"featured_media":2956,"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":[1,52],"tags":[57,66,61,84],"class_list":["post-2957","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-company-news","category-product-information","tag-reflow-oven","tag-smt-equipment","tag-smt-solution","tag-solder-equipment"],"acf":[],"_links":{"self":[{"href":"https:\/\/www.chuxin-smt.com\/ar\/wp-json\/wp\/v2\/posts\/2957","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.chuxin-smt.com\/ar\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.chuxin-smt.com\/ar\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.chuxin-smt.com\/ar\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.chuxin-smt.com\/ar\/wp-json\/wp\/v2\/comments?post=2957"}],"version-history":[{"count":0,"href":"https:\/\/www.chuxin-smt.com\/ar\/wp-json\/wp\/v2\/posts\/2957\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.chuxin-smt.com\/ar\/wp-json\/wp\/v2\/media\/2956"}],"wp:attachment":[{"href":"https:\/\/www.chuxin-smt.com\/ar\/wp-json\/wp\/v2\/media?parent=2957"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.chuxin-smt.com\/ar\/wp-json\/wp\/v2\/categories?post=2957"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.chuxin-smt.com\/ar\/wp-json\/wp\/v2\/tags?post=2957"}],"curies":[{"name":"\u062f\u0628\u0644\u064a\u0648 \u0628\u064a","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}