{"id":6758,"date":"2025-06-02T20:33:19","date_gmt":"2025-06-02T12:33:19","guid":{"rendered":"https:\/\/topfastpcba.com\/?p=6758"},"modified":"2025-10-22T17:06:32","modified_gmt":"2025-10-22T09:06:32","slug":"smt-placement-technology","status":"publish","type":"post","link":"https:\/\/topfastpcba.com\/ar\/smt-placement-technology\/","title":{"rendered":"\u062a\u0642\u0646\u064a\u0629 \u0627\u0644\u062a\u0646\u0633\u064a\u0628 SMT"},"content":{"rendered":"<p>\u0641\u064a \u062a\u0635\u0646\u064a\u0639 \u0627\u0644\u0625\u0644\u0643\u062a\u0631\u0648\u0646\u064a\u0627\u062a \u0627\u0644\u062d\u062f\u064a\u062b\u0629\u060c \u0623\u0635\u0628\u062d\u062a SMT (\u062a\u0642\u0646\u064a\u0629 \u0627\u0644\u062a\u0631\u0643\u064a\u0628 \u0627\u0644\u0633\u0637\u062d\u064a) \u0627\u0644\u0639\u0645\u0644\u064a\u0629 \u0627\u0644\u0623\u0633\u0627\u0633\u064a\u0629 \u0644\u062a\u062c\u0645\u064a\u0639 \u062b\u0646\u0627\u0626\u064a \u0627\u0644\u0641\u064a\u0646\u064a\u0644 \u0645\u062a\u0639\u062f\u062f \u0627\u0644\u0643\u0644\u0648\u0631. \u062a\u062a\u0639\u0645\u0642 \u0647\u0630\u0647 \u0627\u0644\u0645\u0642\u0627\u0644\u0629 \u0641\u064a \u062c\u0645\u064a\u0639 \u062c\u0648\u0627\u0646\u0628 \u062a\u0642\u0646\u064a\u0629 SMT\u060c \u0628\u0645\u0627 \u0641\u064a \u0630\u0644\u0643 \u0645\u0628\u0627\u062f\u0626 \u0639\u0645\u0644\u0647\u0627\u060c \u0648\u0633\u064a\u0631 \u0627\u0644\u0639\u0645\u0644 \u0627\u0644\u0643\u0627\u0645\u0644\u060c \u0648\u0627\u0644\u0645\u0634\u0643\u0644\u0627\u062a \u0648\u0627\u0644\u062d\u0644\u0648\u0644 \u0627\u0644\u0634\u0627\u0626\u0639\u0629\u060c \u0628\u0627\u0644\u0625\u0636\u0627\u0641\u0629 \u0625\u0644\u0649 \u0646\u0635\u0627\u0626\u062d \u0639\u0645\u0644\u064a\u0629. \u0633\u0648\u0627\u0621\u064b \u0643\u0646\u062a \u062c\u062f\u064a\u062f\u064b\u0627 \u0641\u064a \u0645\u062c\u0627\u0644 \u062a\u0635\u0646\u064a\u0639 \u0627\u0644\u0625\u0644\u0643\u062a\u0631\u0648\u0646\u064a\u0627\u062a \u0623\u0648 \u0645\u062d\u062a\u0631\u0641\u064b\u0627 \u064a\u062a\u0637\u0644\u0639 \u0625\u0644\u0649 \u062a\u062d\u0633\u064a\u0646 \u062e\u0637\u0648\u0637 \u0627\u0644\u0625\u0646\u062a\u0627\u062c\u060c \u0633\u062a\u062c\u062f \u0647\u0646\u0627 \u0631\u0624\u0649 \u0642\u064a\u0645\u0629.<\/p>\n\n\n\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_75 counter-hierarchy ez-toc-counter ez-toc-custom ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">\u062c\u062f\u0648\u0644 \u0627\u0644\u0645\u062d\u062a\u0648\u064a\u0627\u062a<\/p>\n<span class=\"ez-toc-title-toggle\"><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/topfastpcba.com\/ar\/smt-placement-technology\/#What_is_SMT_Technology\" >\u0645\u0627 \u0647\u064a \u062a\u0642\u0646\u064a\u0629 SMT\u061f<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/topfastpcba.com\/ar\/smt-placement-technology\/#Step-by-Step_Breakdown_of_the_SMT_Process\" >\u062a\u0641\u0627\u0635\u064a\u0644 \u0639\u0645\u0644\u064a\u0629 SMT \u062e\u0637\u0648\u0629 \u0628\u062e\u0637\u0648\u0629<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/topfastpcba.com\/ar\/smt-placement-technology\/#Pre-Production_The_Foundation_of_Success\" >\u0645\u0627 \u0642\u0628\u0644 \u0627\u0644\u0625\u0646\u062a\u0627\u062c: \u0623\u0633\u0627\u0633 \u0627\u0644\u0646\u062c\u0627\u062d<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/topfastpcba.com\/ar\/smt-placement-technology\/#Solder_Paste_Printing_The_Art_of_Precision\" >\u0637\u0628\u0627\u0639\u0629 \u0645\u0639\u062c\u0648\u0646 \u0627\u0644\u0644\u062d\u0627\u0645:\u0641\u0646 \u0627\u0644\u062f\u0642\u0629<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/topfastpcba.com\/ar\/smt-placement-technology\/#Component_Placement_Balancing_Speed_and_Accuracy\" >\u0648\u0636\u0639 \u0627\u0644\u0645\u0643\u0648\u0646\u0627\u062a:\u0627\u0644\u0645\u0648\u0627\u0632\u0646\u0629 \u0628\u064a\u0646 \u0627\u0644\u0633\u0631\u0639\u0629 \u0648\u0627\u0644\u062f\u0642\u0629<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/topfastpcba.com\/ar\/smt-placement-technology\/#Reflow_Soldering_The_Dance_of_Heat\" >\u0625\u0639\u0627\u062f\u0629 \u062a\u062f\u0641\u0642 \u0627\u0644\u0644\u062d\u0627\u0645:\u0631\u0642\u0635\u0629 \u0627\u0644\u062d\u0631\u0627\u0631\u0629<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/topfastpcba.com\/ar\/smt-placement-technology\/#Inspection_Testing_Guardians_of_Quality\" >\u0627\u0644\u0641\u062d\u0635 \u0648\u0627\u0644\u0627\u062e\u062a\u0628\u0627\u0631:\u062d\u0631\u0627\u0633 \u0627\u0644\u062c\u0648\u062f\u0629<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/topfastpcba.com\/ar\/smt-placement-technology\/#SMT_vs_SMD_Key_Differences_Explained\" >SMT \u0645\u0642\u0627\u0628\u0644 SMD: \u0634\u0631\u062d \u0627\u0644\u0627\u062e\u062a\u0644\u0627\u0641\u0627\u062a \u0627\u0644\u0631\u0626\u064a\u0633\u064a\u0629<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/topfastpcba.com\/ar\/smt-placement-technology\/#Top_5_Common_SMT_Issues_Solutions\" >\u0623\u0647\u0645 5 \u0645\u0634\u0643\u0644\u0627\u062a \u0634\u0627\u0626\u0639\u0629 \u0641\u064a SMT &amp;amp\u061b \u0627\u0644\u062d\u0644\u0648\u0644<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/topfastpcba.com\/ar\/smt-placement-technology\/#Issue_1_Why_is_the_solder_paste_print_irregular\" >\u0627\u0644\u0645\u0634\u0643\u0644\u0629 1: \u0644\u0645\u0627\u0630\u0627 \u062a\u0643\u0648\u0646 \u0637\u0628\u0627\u0639\u0629 \u0645\u0639\u062c\u0648\u0646 \u0627\u0644\u0644\u062d\u0627\u0645 \u063a\u064a\u0631 \u0645\u0646\u062a\u0638\u0645\u0629\u061f<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-11\" href=\"https:\/\/topfastpcba.com\/ar\/smt-placement-technology\/#Issue_2_Components_shift_after_placement%E2%80%94what_to_do\" >Issue 2: Components shift after placement\u2014what to do?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-12\" href=\"https:\/\/topfastpcba.com\/ar\/smt-placement-technology\/#Issue_3_Solder_balls_after_reflow%E2%80%94why\" >Issue 3: Solder balls after reflow\u2014why?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-13\" href=\"https:\/\/topfastpcba.com\/ar\/smt-placement-technology\/#Issue_4_How_to_troubleshoot_BGA_voiding\" >\u0627\u0644\u0645\u0633\u0623\u0644\u0629 4: \u0643\u064a\u0641 \u064a\u0645\u0643\u0646 \u0627\u0633\u062a\u0643\u0634\u0627\u0641 \u0623\u062e\u0637\u0627\u0621 BGA \u0648\u0625\u0635\u0644\u0627\u062d\u0647\u0627 \u0648\u0625\u0628\u0637\u0627\u0644\u0647\u0627\u061f<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-14\" href=\"https:\/\/topfastpcba.com\/ar\/smt-placement-technology\/#Issue_5_How_to_reduce_QFN_soldering_defects\" >\u0627\u0644\u0645\u0634\u0643\u0644\u0629 5: \u0643\u064a\u0641 \u064a\u0645\u0643\u0646 \u062a\u0642\u0644\u064a\u0644 \u0639\u064a\u0648\u0628 \u0644\u062d\u0627\u0645 QFN\u061f<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-15\" href=\"https:\/\/topfastpcba.com\/ar\/smt-placement-technology\/#Advanced_Tips_Industry_Trends\" >\u0646\u0635\u0627\u0626\u062d \u0645\u062a\u0642\u062f\u0645\u0629 &amp;amp\u061b \u0627\u062a\u062c\u0627\u0647\u0627\u062a \u0627\u0644\u0635\u0646\u0627\u0639\u0629<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-16\" href=\"https:\/\/topfastpcba.com\/ar\/smt-placement-technology\/#Handling_Special_Components\" >\u0627\u0644\u062a\u0639\u0627\u0645\u0644 \u0645\u0639 \u0627\u0644\u0645\u0643\u0648\u0646\u0627\u062a \u0627\u0644\u062e\u0627\u0635\u0629<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-17\" href=\"https:\/\/topfastpcba.com\/ar\/smt-placement-technology\/#Lead-Free_Process_Considerations\" >\u0627\u0639\u062a\u0628\u0627\u0631\u0627\u062a \u0627\u0644\u0639\u0645\u0644\u064a\u0629 \u0627\u0644\u062e\u0627\u0644\u064a\u0629 \u0645\u0646 \u0627\u0644\u0631\u0635\u0627\u0635<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-18\" href=\"https:\/\/topfastpcba.com\/ar\/smt-placement-technology\/#Smart_Manufacturing_in_SMT\" >\u0627\u0644\u062a\u0635\u0646\u064a\u0639 \u0627\u0644\u0630\u0643\u064a \u0641\u064a SMT<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-19\" href=\"https:\/\/topfastpcba.com\/ar\/smt-placement-technology\/#Practical_Advice_Recommended_Resources\" >\u0646\u0635\u0627\u0626\u062d \u0639\u0645\u0644\u064a\u0629 \u0648\u0645\u0635\u0627\u062f\u0631 \u0645\u0648\u0635\u0649 \u0628\u0647\u0627<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-20\" href=\"https:\/\/topfastpcba.com\/ar\/smt-placement-technology\/#Final_Thoughts\" >\u0627\u0644\u0623\u0641\u0643\u0627\u0631 \u0627\u0644\u0646\u0647\u0627\u0626\u064a\u0629<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-21\" href=\"https:\/\/topfastpcba.com\/ar\/smt-placement-technology\/#Related_Articles\" >\u0645\u0642\u0627\u0644\u0627\u062a \u0630\u0627\u062a \u0635\u0644\u0629<\/a><\/li><\/ul><\/nav><\/div>\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"What_is_SMT_Technology\"><\/span>\u0645\u0627 \u0647\u064a \u062a\u0642\u0646\u064a\u0629 SMT\u061f <span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>SMT (Surface Mount Technology) is an advanced process that directly mounts electronic components onto the surface of a PCB (Printed Circuit Board), achieving reliable electrical connections through reflow soldering. Compared to traditional through-hole technology (DIP), SMT eliminates the need for drilling numerous holes in the PCB\u2014components simply &#8220;sit&#8221; on the pads, greatly simplifying the manufacturing process.<\/p>\n\n\n\n<p><strong>\u0645\u0627 \u0623\u0647\u0645\u064a\u0629 \u0647\u0630\u0647 \u0627\u0644\u062a\u0642\u0646\u064a\u0629\u061f<\/strong> \u0647\u0646\u0627\u0643 \u062b\u0644\u0627\u062b\u0629 \u0623\u0633\u0628\u0627\u0628 \u0631\u0626\u064a\u0633\u064a\u0629:<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>\u0643\u0641\u0627\u0621\u0629 \u0627\u0644\u062a\u0643\u0644\u0641\u0629<\/strong>: \u064a\u0639\u0646\u064a \u0639\u062f\u062f \u0623\u0642\u0644 \u0645\u0646 \u0627\u0644\u062b\u0642\u0648\u0628 \u0627\u0644\u0645\u062d\u0641\u0648\u0631\u0629 \u062a\u0643\u0627\u0644\u064a\u0641 \u0645\u0639\u0627\u0644\u062c\u0629 \u0623\u0642\u0644 \u0628\u0643\u062b\u064a\u0631\u060c \u0645\u0645\u0627 \u064a\u062c\u0639\u0644\u0647\u0627 \u0645\u062b\u0627\u0644\u064a\u0629 \u0644\u0644\u0625\u0646\u062a\u0627\u062c \u0628\u0643\u0645\u064a\u0627\u062a \u0643\u0628\u064a\u0631\u0629.<\/li>\n\n\n\n<li><strong>\u0627\u0644\u062a\u0648\u0641\u064a\u0631 \u0641\u064a \u0627\u0644\u0645\u0633\u0627\u062d\u0629<\/strong>: \u0645\u0643\u0648\u0646\u0627\u062a SMT \u0623\u0635\u063a\u0631 \u0628\u0643\u062b\u064a\u0631 \u0645\u0646 \u0627\u0644\u0645\u0643\u0648\u0646\u0627\u062a \u0627\u0644\u062a\u0642\u0644\u064a\u062f\u064a\u0629\u060c \u0645\u0645\u0627 \u064a\u062a\u064a\u062d \u0623\u062c\u0647\u0632\u0629 \u0625\u0644\u0643\u062a\u0631\u0648\u0646\u064a\u0629 \u0623\u0631\u0642 \u0648\u0623\u062e\u0641 \u0648\u0632\u0646\u064b\u0627.<\/li>\n\n\n\n<li><strong>\u062a\u0639\u0632\u064a\u0632 \u0627\u0644\u0623\u062f\u0627\u0621<\/strong>: \u062a\u0624\u062f\u064a \u0627\u0644\u0623\u0633\u0644\u0627\u0643 \u0627\u0644\u0623\u0642\u0635\u0631 \u0625\u0644\u0649 \u0627\u0646\u062e\u0641\u0627\u0636 \u0627\u0644\u062d\u062b \u0648\u0627\u0644\u0633\u0639\u0629 \u0627\u0644\u0637\u0641\u064a\u0644\u064a\u0629\u060c \u0645\u0645\u0627 \u064a\u062d\u0633\u0646 \u0623\u062f\u0627\u0621 \u0627\u0644\u062f\u0627\u0626\u0631\u0629.<\/li>\n<\/ol>\n\n\n\n<p>Imagine modern smartphones packed with components\u2014without SMT, they might still be as bulky as the &#8220;brick phones&#8221; of the past. That\u2019s the transformative power of SMT in the electronics industry.<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"600\" height=\"402\" src=\"https:\/\/topfastpcba.com\/wp-content\/uploads\/2025\/06\/smt-1.jpg\" alt=\"\u062a\u0642\u0646\u064a\u0629 \u0627\u0644\u062a\u0646\u0633\u064a\u0628 SMT\" class=\"wp-image-6759\" srcset=\"https:\/\/topfastpcba.com\/wp-content\/uploads\/2025\/06\/smt-1.jpg 600w, https:\/\/topfastpcba.com\/wp-content\/uploads\/2025\/06\/smt-1-300x201.jpg 300w, https:\/\/topfastpcba.com\/wp-content\/uploads\/2025\/06\/smt-1-150x101.jpg 150w\" sizes=\"auto, (max-width: 600px) 100vw, 600px\" \/><\/figure>\n<\/div>\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Step-by-Step_Breakdown_of_the_SMT_Process\"><\/span>\u062a\u0641\u0627\u0635\u064a\u0644 \u0639\u0645\u0644\u064a\u0629 SMT \u062e\u0637\u0648\u0629 \u0628\u062e\u0637\u0648\u0629<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Pre-Production_The_Foundation_of_Success\"><\/span>\u0645\u0627 \u0642\u0628\u0644 \u0627\u0644\u0625\u0646\u062a\u0627\u062c: \u0623\u0633\u0627\u0633 \u0627\u0644\u0646\u062c\u0627\u062d<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p><strong>\u062a\u0635\u0645\u064a\u0645 \u0627\u0644\u062f\u0648\u0627\u0626\u0631<\/strong> \u0647\u0648 \u0646\u0642\u0637\u0629 \u0627\u0644\u0628\u062f\u0627\u064a\u0629 \u0641\u064a SMT. \u0648\u064a\u062c\u0628 \u0623\u0646 \u064a\u0631\u0627\u0639\u064a \u0627\u0644\u062a\u0635\u0645\u064a\u0645 \u0627\u0644\u0645\u062f\u0631\u0648\u0633 \u062c\u064a\u062f\u0627\u064b \u0645\u0627 \u064a\u0644\u064a:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u0627\u0644\u0648\u0636\u0639 \u0627\u0644\u0623\u0645\u062b\u0644 \u0644\u0644\u0645\u0643\u0648\u0646\u0627\u062a (\u0625\u0628\u0639\u0627\u062f \u0627\u0644\u0645\u0643\u0648\u0646\u0627\u062a \u0639\u0627\u0644\u064a\u0629 \u0627\u0644\u062a\u0631\u062f\u062f \u0639\u0646 \u0645\u0635\u0627\u062f\u0631 \u0627\u0644\u062a\u062f\u0627\u062e\u0644)<\/li>\n\n\n\n<li>\u062a\u062d\u0633\u064a\u0646 \u0627\u0644\u062a\u062a\u0628\u0639 (\u062a\u062c\u0646\u0628 \u0627\u0644\u0632\u0648\u0627\u064a\u0627 \u0627\u0644\u062d\u0627\u062f\u0629\u060c \u0645\u0639 \u0645\u0631\u0627\u0639\u0627\u0629 \u0627\u0644\u0642\u062f\u0631\u0629 \u0639\u0644\u0649 \u062d\u0645\u0644 \u0627\u0644\u062a\u064a\u0627\u0631)<\/li>\n\n\n\n<li>\u062a\u0635\u0645\u064a\u0645 \u0627\u0644\u0648\u0633\u0627\u062f\u0629 (\u0627\u0644\u062d\u062c\u0645 \u0648\u0627\u0644\u0634\u0643\u0644 \u0627\u0644\u0645\u0637\u0627\u0628\u0642 \u0644\u0644\u0645\u0643\u0648\u0646\u0627\u062a)<\/li>\n<\/ul>\n\n\n\n<p><strong>\u062a\u062c\u0647\u064a\u0632 \u0627\u0644\u0645\u0643\u0648\u0646\u0627\u062a \u0648\u0627\u0644\u0645\u0639\u062f\u0627\u062a<\/strong> \u0628\u0646\u0641\u0633 \u0627\u0644\u0642\u062f\u0631 \u0645\u0646 \u0627\u0644\u0623\u0647\u0645\u064a\u0629:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u0627\u0644\u062a\u062d\u0642\u0642 \u0645\u0646 \u0645\u0648\u0627\u0635\u0641\u0627\u062a \u0627\u0644\u0645\u0643\u0648\u0646\u0627\u062a \u0645\u0642\u0627\u0628\u0644 \u0642\u0627\u0626\u0645\u0629 \u0627\u0644\u0645\u0648\u0627\u062f (BOM)<\/li>\n\n\n\n<li>Calibrate the placement machine accuracy (typically within \u00b10.05mm)<\/li>\n\n\n\n<li>\u062a\u062d\u0642\u0642 \u0645\u0646 \u062a\u0648\u062d\u064a\u062f \u062f\u0631\u062c\u0629 \u062d\u0631\u0627\u0631\u0629 \u0641\u0631\u0646 \u0625\u0639\u0627\u062f\u0629 \u0627\u0644\u062a\u062f\u0641\u0642<\/li>\n<\/ul>\n\n\n\n<p>\u0644\u0642\u062f \u0631\u0623\u064a\u062a \u0630\u0627\u062a \u0645\u0631\u0629 \u0623\u062d\u062f \u0627\u0644\u0645\u0635\u0627\u0646\u0639 \u064a\u062a\u062e\u0637\u0649 \u062e\u0637\u0648\u0629 \u0625\u0630\u0627\u0628\u0629 \u0645\u0639\u062c\u0648\u0646 \u0627\u0644\u0644\u062d\u0627\u0645\u060c \u0648\u064a\u0633\u062a\u062e\u062f\u0645\u0647 \u0645\u0628\u0627\u0634\u0631\u0629\u064b \u0645\u0646 \u0627\u0644\u062a\u0628\u0631\u064a\u062f\u060c \u0645\u0645\u0627 \u062a\u0633\u0628\u0628 \u0641\u064a \u0645\u0639\u0627\u0646\u0627\u0629 \u0645\u062c\u0645\u0648\u0639\u0629 \u0643\u0627\u0645\u0644\u0629 \u0645\u0646 \u0627\u0644\u0645\u0646\u062a\u062c\u0627\u062a \u0645\u0646 \u0628\u0631\u0648\u062f\u0629 \u0648\u0635\u0644\u0627\u062a \u0627\u0644\u0644\u062d\u0627\u0645\u060c \u0645\u0645\u0627 \u0643\u0644\u0641\u0647\u0627 \u0627\u0644\u0643\u062b\u064a\u0631. \u0627\u0644\u0625\u0639\u062f\u0627\u062f \u0642\u0628\u0644 \u0627\u0644\u0625\u0646\u062a\u0627\u062c \u0644\u064a\u0633 \u0645\u0643\u0627\u0646\u064b\u0627 \u0645\u0646\u0627\u0633\u0628\u064b\u0627 \u0644\u0644\u0627\u062e\u062a\u0635\u0627\u0631\u0627\u062a!<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Solder_Paste_Printing_The_Art_of_Precision\"><\/span>\u0637\u0628\u0627\u0639\u0629 \u0645\u0639\u062c\u0648\u0646 \u0627\u0644\u0644\u062d\u0627\u0645:\u0641\u0646 \u0627\u0644\u062f\u0642\u0629<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p><strong>\u062a\u0635\u0646\u064a\u0639 \u0627\u0644\u0627\u0633\u062a\u0646\u0633\u0644<\/strong> \u064a\u0623\u062a\u064a \u0623\u0648\u0644\u0627\u064b:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u0635\u0641\u0627\u0626\u062d \u0627\u0644\u0641\u0648\u0644\u0627\u0630 \u0627\u0644\u0645\u0642\u0627\u0648\u0645 \u0644\u0644\u0635\u062f\u0623 \u0627\u0644\u0645\u0642\u0637\u0648\u0639\u0629 \u0628\u0627\u0644\u0644\u064a\u0632\u0631 \u0645\u0639 \u0641\u062a\u062d\u0627\u062a \u0645\u0637\u0627\u0628\u0642\u0629 \u0644\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 1:1<\/li>\n\n\n\n<li>Choose thickness (typically 0.1\u20130.15mm, adjusted based on component size)<\/li>\n<\/ul>\n\n\n\n<p><strong>\u0645\u0646\u0627\u0648\u0644\u0629 \u0645\u0639\u062c\u0648\u0646 \u0627\u0644\u0644\u062d\u0627\u0645<\/strong> \u0627\u0644\u0646\u0635\u0627\u0626\u062d:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u0642\u0645 \u0628\u0625\u0630\u0627\u0628\u0629 \u0627\u0644\u062c\u0644\u064a\u062f \u0644\u0645\u062f\u0629 4 \u0633\u0627\u0639\u0627\u062a \u0639\u0644\u0649 \u0627\u0644\u0623\u0642\u0644 (\u0641\u064a \u062d\u0627\u0644\u0629 \u0627\u0644\u062a\u0628\u0631\u064a\u062f)<\/li>\n\n\n\n<li>\u064a\u064f\u0642\u0644\u0628 \u062d\u062a\u0649 \u064a\u0635\u0628\u062d \u0642\u0648\u0627\u0645 \u0632\u0628\u062f\u0629 \u0627\u0644\u0641\u0648\u0644 \u0627\u0644\u0633\u0648\u062f\u0627\u0646\u064a \u0645\u062a\u0645\u0627\u0633\u0643\u0627\u064b \u0648\u0646\u0627\u0639\u0645\u0627\u064b<\/li>\n\n\n\n<li>Control the printing environment (23\u00b13\u00b0C, humidity &lt;60%)<\/li>\n<\/ul>\n\n\n\n<p><strong>\u0641\u062d\u0648\u0635\u0627\u062a \u062c\u0648\u062f\u0629 \u0627\u0644\u0637\u0628\u0627\u0639\u0629<\/strong>:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u0627\u0641\u062d\u0635 \u0634\u0643\u0644 \u0627\u0644\u0639\u062c\u064a\u0646\u0629 \u062a\u062d\u062a \u0627\u0644\u0645\u0643\u0628\u0631 \u0644\u0644\u062a\u0623\u0643\u062f \u0645\u0646 \u0627\u0643\u062a\u0645\u0627\u0644\u0647\u0627<\/li>\n\n\n\n<li>Measure thickness (usually 80\u201390% of stencil thickness)<\/li>\n\n\n\n<li>\u0627\u0628\u062d\u062b \u0639\u0646 \u0645\u0634\u0643\u0644\u0627\u062a \u0645\u062b\u0644 \u0627\u0644\u062a\u062e\u0644\u0641 \u0623\u0648 \u0627\u0644\u062b\u063a\u0631\u0627\u062a \u0623\u0648 \u0627\u0644\u062a\u062c\u0633\u064a\u0631<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Component_Placement_Balancing_Speed_and_Accuracy\"><\/span>\u0648\u0636\u0639 \u0627\u0644\u0645\u0643\u0648\u0646\u0627\u062a:\u0627\u0644\u0645\u0648\u0627\u0632\u0646\u0629 \u0628\u064a\u0646 \u0627\u0644\u0633\u0631\u0639\u0629 \u0648\u0627\u0644\u062f\u0642\u0629<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>\u0645\u0627\u0643\u064a\u0646\u0627\u062a \u0627\u0644\u0627\u0644\u062a\u0642\u0627\u0637 \u0648\u0627\u0644\u0648\u0636\u0639 \u0627\u0644\u062d\u062f\u064a\u062b\u0629 \u0645\u0630\u0647\u0644\u0629:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u0645\u0627\u0643\u064a\u0646\u0627\u062a \u0639\u0627\u0644\u064a\u0629 \u0627\u0644\u0633\u0631\u0639\u0629 \u064a\u0645\u0643\u0646\u0647\u0627 \u0648\u0636\u0639 \u0623\u0643\u062b\u0631 \u0645\u0646 150,000 \u0645\u0643\u0648\u0646 \u0641\u064a \u0627\u0644\u0633\u0627\u0639\u0629<\/li>\n\n\n\n<li>\u0641\u0648\u0647\u0627\u062a \u0645\u062a\u0639\u062f\u062f\u0629 \u062a\u0639\u0645\u0644 \u0641\u064a \u0648\u0642\u062a \u0648\u0627\u062d\u062f \u0644\u062a\u0639\u0632\u064a\u0632 \u0627\u0644\u0643\u0641\u0627\u0621\u0629<\/li>\n\n\n\n<li>Vision systems ensure precise alignment (\u00b10.025mm)<\/li>\n<\/ul>\n\n\n\n<p><strong>\u0646\u0635\u0627\u0626\u062d \u0627\u0644\u0628\u0631\u0645\u062c\u0629<\/strong>:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u062a\u062d\u0633\u064a\u0646 \u062a\u0633\u0644\u0633\u0644 \u0627\u0644\u0645\u0648\u0636\u0639 \u0644\u062a\u0642\u0644\u064a\u0644 \u0645\u0633\u0627\u0641\u0629 \u0627\u0644\u0633\u0641\u0631 \u0625\u0644\u0649 \u0627\u0644\u062d\u062f \u0627\u0644\u0623\u062f\u0646\u0649<\/li>\n\n\n\n<li>\u0636\u0639 \u0627\u0644\u0645\u0643\u0648\u0646\u0627\u062a \u0627\u0644\u0623\u0643\u0628\u0631 \u062d\u062c\u0645\u0627\u064b \u0641\u064a \u0627\u0644\u0646\u0647\u0627\u064a\u0629 \u0644\u062a\u062c\u0646\u0628 \u0627\u0644\u062a\u062f\u0627\u062e\u0644<\/li>\n\n\n\n<li>\u062a\u0639\u064a\u064a\u0646 \u0645\u0639\u0644\u0645\u0627\u062a \u062e\u0627\u0635\u0629 \u0644\u0644\u0645\u0643\u0648\u0646\u0627\u062a \u0627\u0644\u0641\u0631\u064a\u062f\u0629 (\u0639\u0644\u0649 \u0633\u0628\u064a\u0644 \u0627\u0644\u0645\u062b\u0627\u0644\u060c QFN)<\/li>\n<\/ul>\n\n\n\n<p>Pro tip: Clean nozzles regularly\u2014I\u2019ve seen a tiny 0.1mm solder paste residue cause an entire batch of misaligned components.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Reflow_Soldering_The_Dance_of_Heat\"><\/span>\u0625\u0639\u0627\u062f\u0629 \u062a\u062f\u0641\u0642 \u0627\u0644\u0644\u062d\u0627\u0645:\u0631\u0642\u0635\u0629 \u0627\u0644\u062d\u0631\u0627\u0631\u0629<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p><strong>\u0625\u0639\u062f\u0627\u062f \u0645\u0644\u0641 \u062a\u0639\u0631\u064a\u0641 \u062f\u0631\u062c\u0629 \u0627\u0644\u062d\u0631\u0627\u0631\u0629<\/strong> \u0647\u0648 \u0627\u0644\u0645\u0641\u062a\u0627\u062d:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Preheat zone (1\u20133\u00b0C\/sec, up to 150\u2013180\u00b0C)<\/li>\n\n\n\n<li>Soak zone (60\u2013120 sec for even board heating)<\/li>\n\n\n\n<li>Reflow zone (peak temperature 20\u201330\u00b0C above solder melting point)<\/li>\n\n\n\n<li>Cooling zone (controlled at \u22644\u00b0C\/sec)<\/li>\n<\/ul>\n\n\n\n<p><strong>\u0627\u0644\u0645\u0632\u0627\u0644\u0642 \u0627\u0644\u0634\u0627\u0626\u0639\u0629<\/strong>:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u0642\u062f \u064a\u062a\u0633\u0628\u0628 \u0627\u0644\u062a\u0633\u062e\u064a\u0646 \u0627\u0644\u0633\u0631\u064a\u0639 \u0644\u0644\u063a\u0627\u064a\u0629 \u0641\u064a \u062a\u0644\u0641 \u0627\u0644\u0625\u062c\u0647\u0627\u062f \u0627\u0644\u062d\u0631\u0627\u0631\u064a<\/li>\n\n\n\n<li>\u0639\u062f\u0645 \u0643\u0641\u0627\u064a\u0629 \u062f\u0631\u062c\u0629 \u0627\u0644\u062d\u0631\u0627\u0631\u0629 \u0627\u0644\u0642\u0635\u0648\u0649 \u064a\u0624\u062f\u064a \u0625\u0644\u0649 \u0628\u0631\u0648\u062f\u0629 \u0648\u0635\u0644\u0627\u062a \u0627\u0644\u0644\u062d\u0627\u0645<\/li>\n\n\n\n<li>\u0642\u062f \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 \u0623\u0648 \u062b\u0646\u0627\u0626\u064a \u0627\u0644\u0641\u064a\u0646\u064a\u0644 \u0645\u062a\u0639\u062f\u062f \u0627\u0644\u0643\u0644\u0648\u0631<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Inspection_Testing_Guardians_of_Quality\"><\/span>\u0627\u0644\u0641\u062d\u0635 \u0648\u0627\u0644\u0627\u062e\u062a\u0628\u0627\u0631:\u062d\u0631\u0627\u0633 \u0627\u0644\u062c\u0648\u062f\u0629<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p><strong>\u0623\u0633\u0627\u0633\u064a\u0627\u062a \u0627\u0644\u0641\u062d\u0635 \u0627\u0644\u0628\u0635\u0631\u064a \u0627\u0644\u0622\u0644\u064a (AOI)<\/strong>:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u062a\u0639\u064a\u064a\u0646 \u0645\u0639\u0644\u0645\u0627\u062a \u0627\u0644\u0643\u0634\u0641 \u0627\u0644\u0645\u0646\u0627\u0633\u0628\u0629 (\u0639\u0644\u0649 \u0633\u0628\u064a\u0644 \u0627\u0644\u0645\u062b\u0627\u0644\u060c \u0639\u062a\u0628\u0627\u062a \u0633\u0637\u0648\u0639 \u0648\u0635\u0644\u0629 \u0627\u0644\u0644\u062d\u0627\u0645)<\/li>\n\n\n\n<li>\u0645\u0639\u0627\u064a\u0631\u0629 \u0646\u0638\u0627\u0645 \u0627\u0644\u0643\u0627\u0645\u064a\u0631\u0627 \u0628\u0627\u0646\u062a\u0638\u0627\u0645<\/li>\n\n\n\n<li>\u0628\u0646\u0627\u0621 \u0645\u0643\u062a\u0628\u0629 \u0645\u0646 \u0639\u064a\u0646\u0627\u062a \u0627\u0644\u0639\u064a\u0648\u0628 \u0627\u0644\u0646\u0645\u0648\u0630\u062c\u064a\u0629<\/li>\n<\/ul>\n\n\n\n<p><strong>\u0627\u0633\u062a\u0631\u0627\u062a\u064a\u062c\u064a\u0627\u062a \u0627\u0644\u0627\u062e\u062a\u0628\u0627\u0631 \u0627\u0644\u0648\u0638\u064a\u0641\u064a<\/strong>:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u0627\u0644\u062a\u062d\u0642\u0642 \u0645\u0646 \u0627\u0644\u0648\u062d\u062f\u0627\u062a \u062e\u0637\u0648\u0629 \u0628\u062e\u0637\u0648\u0629<\/li>\n\n\n\n<li>\u0627\u062e\u062a\u0628\u0627\u0631 \u062a\u062d\u062a \u0638\u0631\u0648\u0641 \u062d\u062f\u0648\u062f\u064a\u0629 (\u0639\u0644\u0649 \u0633\u0628\u064a\u0644 \u0627\u0644\u0645\u062b\u0627\u0644\u060c \u062a\u0642\u0644\u0628\u0627\u062a \u0627\u0644\u062c\u0647\u062f)<\/li>\n\n\n\n<li>\u0627\u0633\u062a\u062e\u062f\u0627\u0645 \u0641\u062d\u0635 \u0627\u0644\u0625\u062c\u0647\u0627\u062f \u0627\u0644\u0628\u064a\u0626\u064a (ESS) \u0644\u062a\u0639\u0632\u064a\u0632 \u0627\u0644\u0645\u0648\u062b\u0648\u0642\u064a\u0629<\/li>\n<\/ul>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"600\" height=\"402\" src=\"https:\/\/topfastpcba.com\/wp-content\/uploads\/2025\/06\/smt-3.jpg\" alt=\"\u062a\u0642\u0646\u064a\u0629 \u0627\u0644\u062a\u0646\u0633\u064a\u0628 SMT\" class=\"wp-image-6760\" srcset=\"https:\/\/topfastpcba.com\/wp-content\/uploads\/2025\/06\/smt-3.jpg 600w, https:\/\/topfastpcba.com\/wp-content\/uploads\/2025\/06\/smt-3-300x201.jpg 300w, https:\/\/topfastpcba.com\/wp-content\/uploads\/2025\/06\/smt-3-150x101.jpg 150w\" sizes=\"auto, (max-width: 600px) 100vw, 600px\" \/><\/figure>\n<\/div>\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"SMT_vs_SMD_Key_Differences_Explained\"><\/span>SMT \u0645\u0642\u0627\u0628\u0644 SMD: \u0634\u0631\u062d \u0627\u0644\u0627\u062e\u062a\u0644\u0627\u0641\u0627\u062a \u0627\u0644\u0631\u0626\u064a\u0633\u064a\u0629<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>\u064a\u062e\u0644\u0637 \u0627\u0644\u0639\u062f\u064a\u062f \u0645\u0646 \u0627\u0644\u0645\u0628\u062a\u062f\u0626\u064a\u0646 \u0628\u064a\u0646 \u0647\u0630\u064a\u0646 \u0627\u0644\u0645\u0635\u0637\u0644\u062d\u064a\u0646:<\/p>\n\n\n\n<p><strong>SMD (\u062c\u0647\u0627\u0632 \u0645\u062b\u0628\u062a \u0639\u0644\u0649 \u0627\u0644\u0633\u0637\u062d)<\/strong> \u062a\u0634\u064a\u0631 \u0625\u0644\u0649 \u0627\u0644\u0645\u0643\u0648\u0646\u0627\u062a \u0627\u0644\u0625\u0644\u0643\u062a\u0631\u0648\u0646\u064a\u0629 \u0627\u0644\u0645\u0635\u0645\u0645\u0629 \u062e\u0635\u064a\u0635\u0627\u064b \u0644\u0644\u062a\u0631\u0643\u064a\u0628 \u0639\u0644\u0649 \u0627\u0644\u0633\u0637\u062d. \u0648\u0647\u064a \u062a\u062a\u0645\u064a\u0632 \u0628\u0645\u0627 \u064a\u0644\u064a:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u0644\u0627 \u062a\u0648\u062c\u062f \u0623\u0633\u0644\u0627\u0643 \u0637\u0648\u064a\u0644\u0629\u060c \u0641\u0642\u0637 \u0623\u0633\u0637\u062d \u062a\u0644\u0627\u0645\u0633 \u0645\u0633\u0637\u062d\u0629<\/li>\n\n\n\n<li>\u0623\u0645\u062b\u0644\u0629: \u0645\u0642\u0627\u0648\u0645\u0627\u062a\u060c \u0648\u0645\u0643\u062b\u0641\u0627\u062a (\u062d\u0632\u0645 0805\u060c 0603)\u060c \u0648ICS QFP\/BGA\u060c \u0648\u0645\u062d\u062b\u0627\u062a \u0635\u063a\u064a\u0631\u0629\u060c \u0648\u062b\u0646\u0627\u0626\u064a\u0627\u062a<\/li>\n<\/ul>\n\n\n\n<p><strong>SMT (\u062a\u0642\u0646\u064a\u0629 \u0627\u0644\u062a\u0631\u0643\u064a\u0628 \u0639\u0644\u0649 \u0627\u0644\u0633\u0637\u062d)<\/strong> \u0647\u064a \u0627\u0644\u0639\u0645\u0644\u064a\u0629 \u0627\u0644\u0643\u0627\u0645\u0644\u0629 \u0644\u062a\u0631\u0643\u064a\u0628 \u0645\u0643\u0648\u0646\u0627\u062a SMD \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\u060c \u0628\u0645\u0627 \u0641\u064a \u0630\u0644\u0643<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u0645\u0639\u062f\u0627\u062a \u0627\u0644\u0637\u0628\u0627\u0639\u0629 \u0648\u0627\u0644\u0648\u0636\u0639 \u0648\u0627\u0644\u0644\u062d\u0627\u0645<\/li>\n\n\n\n<li>\u0627\u0644\u062a\u062d\u0643\u0645 \u0641\u064a \u062a\u062f\u0641\u0642 \u0627\u0644\u0639\u0645\u0644\u064a\u0627\u062a<\/li>\n\n\n\n<li>\u0645\u0639\u0627\u064a\u064a\u0631 \u0641\u062d\u0635 \u0627\u0644\u062c\u0648\u062f\u0629<\/li>\n<\/ul>\n\n\n\n<p>\u0628\u0627\u062e\u062a\u0635\u0627\u0631\u060c SMD \u0647\u0648 &#8220;\u0645\u0627\u0630\u0627\u060c &#8221; \u0648SMT \u0647\u0648 &#8220;\u0643\u064a\u0641\u060c &#8221; \u0641\u0643\u0631 \u0641\u064a \u062a\u0642\u0646\u064a\u0627\u062a \u0627\u0644\u0628\u0646\u0627\u0621 (SMD) \u0645\u0642\u0627\u0628\u0644 \u062a\u0642\u0646\u064a\u0627\u062a \u0627\u0644\u0628\u0646\u0627\u0621 (SMT).<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Top_5_Common_SMT_Issues_Solutions\"><\/span>\u0623\u0647\u0645 5 \u0645\u0634\u0643\u0644\u0627\u062a \u0634\u0627\u0626\u0639\u0629 \u0641\u064a SMT &amp;amp\u061b \u0627\u0644\u062d\u0644\u0648\u0644<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Issue_1_Why_is_the_solder_paste_print_irregular\"><\/span>\u0627\u0644\u0645\u0634\u0643\u0644\u0629 1: \u0644\u0645\u0627\u0630\u0627 \u062a\u0643\u0648\u0646 \u0637\u0628\u0627\u0639\u0629 \u0645\u0639\u062c\u0648\u0646 \u0627\u0644\u0644\u062d\u0627\u0645 \u063a\u064a\u0631 \u0645\u0646\u062a\u0638\u0645\u0629\u061f<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p><strong>\u0627\u0644\u0623\u0633\u0628\u0627\u0628 \u0627\u0644\u0645\u062d\u062a\u0645\u0644\u0629<\/strong>:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u0639\u062c\u064a\u0646\u0629 \u0645\u062a\u0628\u0642\u064a\u0629 \u062a\u062d\u062a \u0627\u0644\u0627\u0633\u062a\u0646\u0633\u0644<\/li>\n\n\n\n<li>\u0636\u063a\u0637 \u0627\u0644\u0645\u0645\u0633\u062d\u0629 \u063a\u064a\u0631 \u0627\u0644\u0645\u062a\u0633\u0627\u0648\u064a \u0623\u0648 \u0627\u0644\u0628\u0627\u0644\u064a<\/li>\n\n\n\n<li>\u062f\u0639\u0645 \u062b\u0646\u0627\u0626\u064a \u0627\u0644\u0641\u064a\u0646\u064a\u0644 \u0645\u062a\u0639\u062f\u062f \u0627\u0644\u0643\u0644\u0648\u0631 \u063a\u064a\u0631 \u0627\u0644\u0645\u062a\u0633\u0627\u0648\u064a<\/li>\n\n\n\n<li>\u0644\u0632\u0648\u062c\u0629 \u0645\u0639\u062c\u0648\u0646 \u0627\u0644\u0644\u062d\u0627\u0645 \u063a\u064a\u0631 \u0635\u062d\u064a\u062d\u0629<\/li>\n<\/ul>\n\n\n\n<p><strong>\u0627\u0644\u062d\u0644\u0648\u0644<\/strong>:<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>Clean the stencil bottom every 5\u201310 prints<\/li>\n\n\n\n<li>Check the squeegee for damage; set pressure to 5\u20138 kg\/cm\u00b2<\/li>\n\n\n\n<li>\u0636\u0628\u0637 \u062f\u0628\u0627\u0628\u064a\u0633 \u0627\u0644\u062f\u0639\u0645 \u0644\u0636\u0645\u0627\u0646 \u062a\u0633\u0637\u064a\u062d \u062b\u0646\u0627\u0626\u064a \u0627\u0644\u0641\u064a\u0646\u064a\u0644 \u0645\u062a\u0639\u062f\u062f \u0627\u0644\u0643\u0644\u0648\u0631<\/li>\n\n\n\n<li>Test paste viscosity (target: 800\u20131200 kcps)<\/li>\n<\/ol>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Issue_2_Components_shift_after_placement%E2%80%94what_to_do\"><\/span>Issue 2: Components shift after placement\u2014what to do?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p><strong>\u0627\u0644\u0623\u0633\u0628\u0627\u0628 \u0627\u0644\u0645\u062d\u062a\u0645\u0644\u0629<\/strong>:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u062a\u0641\u0631\u064a\u063a \u0636\u0639\u064a\u0641 \u0644\u0644\u0641\u0648\u0647\u0629<\/li>\n\n\n\n<li>\u0625\u0639\u062f\u0627\u062f \u0633\u0645\u0643 \u0627\u0644\u0645\u0643\u0648\u0646 \u063a\u064a\u0631 \u0635\u062d\u064a\u062d<\/li>\n\n\n\n<li>\u0627\u062e\u062a\u0644\u0627\u0644 \u0645\u062d\u0627\u0630\u0627\u0629 \u062b\u0646\u0627\u0626\u064a \u0627\u0644\u0641\u064a\u0646\u064a\u0644 \u0645\u062a\u0639\u062f\u062f \u0627\u0644\u0643\u0644\u0648\u0631<\/li>\n\n\n\n<li>\u0627\u0631\u062a\u0641\u0627\u0639 \u0627\u0644\u0645\u0648\u0636\u0639 \u063a\u064a\u0631 \u0627\u0644\u0645\u0646\u0627\u0633\u0628<\/li>\n<\/ul>\n\n\n\n<p><strong>\u0627\u0644\u062d\u0644\u0648\u0644<\/strong>:<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u062a\u062d\u0642\u0642 \u0645\u0646 \u0639\u062f\u0645 \u0648\u062c\u0648\u062f \u062a\u0633\u0631\u0628\u0627\u062a \u0641\u064a \u0627\u0644\u062a\u0641\u0631\u064a\u063a\u061b \u0646\u0638\u0641 \u0627\u0644\u0641\u0648\u0647\u0627\u062a \u0623\u0648 \u0627\u0633\u062a\u0628\u062f\u0644\u0647\u0627<\/li>\n\n\n\n<li>\u0625\u0639\u0627\u062f\u0629 \u0642\u064a\u0627\u0633 \u0633\u064f\u0645\u0643 \u0627\u0644\u0645\u0643\u0648\u0651\u0646 \u0648\u062a\u062d\u062f\u064a\u062b \u0642\u0627\u0639\u062f\u0629 \u0627\u0644\u0628\u064a\u0627\u0646\u0627\u062a<\/li>\n\n\n\n<li>\u0625\u0639\u0627\u062f\u0629 \u0645\u0639\u0627\u064a\u0631\u0629 \u0627\u0644\u0639\u0644\u0627\u0645\u0627\u062a \u0627\u0644\u0627\u0626\u062a\u0645\u0627\u0646\u064a\u0629 \u0644\u062b\u0646\u0627\u0626\u064a \u0627\u0644\u0641\u064a\u0646\u064a\u0644 \u0645\u062a\u0639\u062f\u062f \u0627\u0644\u0643\u0644\u0648\u0631<\/li>\n\n\n\n<li>\u0636\u0628\u0637 \u0627\u0631\u062a\u0641\u0627\u0639 \u0627\u0644\u0645\u0648\u0636\u0639 (\u0639\u0627\u062f\u0629\u064b 0.1 \u0645\u0645 \u062a\u062d\u062a \u0627\u0631\u062a\u0641\u0627\u0639 \u0627\u0644\u0645\u0643\u0648\u0646)<\/li>\n<\/ol>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Issue_3_Solder_balls_after_reflow%E2%80%94why\"><\/span>Issue 3: Solder balls after reflow\u2014why?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p><strong>\u0627\u0644\u0623\u0633\u0628\u0627\u0628 \u0627\u0644\u0645\u062d\u062a\u0645\u0644\u0629<\/strong>:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u0645\u0639\u062c\u0648\u0646 \u0627\u0644\u0644\u062d\u0627\u0645 \u0627\u0644\u0632\u0627\u0626\u062f<\/li>\n\n\n\n<li>\u0627\u0631\u062a\u0641\u0627\u0639 \u0633\u0631\u064a\u0639 \u062c\u062f\u0627\u064b \u0641\u064a \u062f\u0631\u062c\u0629 \u0627\u0644\u062d\u0631\u0627\u0631\u0629<\/li>\n\n\n\n<li>\u062a\u0635\u0645\u064a\u0645 \u0631\u062f\u064a\u0621 \u0644\u0641\u062a\u062d\u0629 \u0627\u0644\u0627\u0633\u062a\u0646\u0633\u0644<\/li>\n\n\n\n<li>\u0631\u0637\u0648\u0628\u0629 \u0639\u0627\u0644\u064a\u0629<\/li>\n<\/ul>\n\n\n\n<p><strong>\u0627\u0644\u062d\u0644\u0648\u0644<\/strong>:<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u062a\u0635\u063a\u064a\u0631 \u062d\u062c\u0645 \u0641\u062a\u062d\u0629 \u0627\u0644\u0627\u0633\u062a\u0646\u0633\u0644 (\u0639\u0644\u0649 \u0633\u0628\u064a\u0644 \u0627\u0644\u0645\u062b\u0627\u0644\u060c 10\u066a \u062e\u0637\u0648\u0629 \u0625\u0644\u0649 \u0627\u0644\u062f\u0627\u062e\u0644)<\/li>\n\n\n\n<li>Adjust preheat ramp rate to 1\u20133\u00b0C\/sec<\/li>\n\n\n\n<li>\u0627\u0633\u062a\u062e\u062f\u0627\u0645 \u0641\u062a\u062d\u0627\u062a \u0634\u0628\u0647 \u0645\u0646\u062d\u0631\u0641 \u0623\u0648 \u0639\u0644\u0649 \u0634\u0643\u0644 \u0645\u0646\u0632\u0644\u064a\u0629<\/li>\n\n\n\n<li>Maintain workshop humidity at 40\u201360% RH<\/li>\n<\/ol>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Issue_4_How_to_troubleshoot_BGA_voiding\"><\/span>\u0627\u0644\u0645\u0633\u0623\u0644\u0629 4: \u0643\u064a\u0641 \u064a\u0645\u0643\u0646 \u0627\u0633\u062a\u0643\u0634\u0627\u0641 \u0623\u062e\u0637\u0627\u0621 BGA \u0648\u0625\u0635\u0644\u0627\u062d\u0647\u0627 \u0648\u0625\u0628\u0637\u0627\u0644\u0647\u0627\u061f<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p><strong>\u0627\u0644\u0623\u0633\u0628\u0627\u0628 \u0627\u0644\u0645\u062d\u062a\u0645\u0644\u0629<\/strong>:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u0636\u0639\u0641 \u0627\u0633\u062a\u0648\u0627\u0621 \u0643\u0631\u0627\u062a \u0627\u0644\u0644\u062d\u0627\u0645<\/li>\n\n\n\n<li>\u0627\u0644\u0631\u0637\u0648\u0628\u0629 \u0641\u064a PCB\/BGA<\/li>\n\n\n\n<li>\u0645\u0644\u0641 \u062f\u0631\u062c\u0629 \u0627\u0644\u062d\u0631\u0627\u0631\u0629 \u063a\u064a\u0631 \u0645\u062a\u0637\u0627\u0628\u0642<\/li>\n\n\n\n<li>\u0627\u0639\u0648\u062c\u0627\u062c \u062b\u0646\u0627\u0626\u064a \u0627\u0644\u0641\u064a\u0646\u064a\u0644 \u0645\u062a\u0639\u062f\u062f \u0627\u0644\u0643\u0644\u0648\u0631<\/li>\n<\/ul>\n\n\n\n<p><strong>\u0627\u0644\u062d\u0644\u0648\u0644<\/strong>:<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u0627\u0633\u062a\u062e\u062f\u0645 \u0627\u0644\u0623\u0634\u0639\u0629 \u0627\u0644\u0633\u064a\u0646\u064a\u0629 \u0644\u0641\u062d\u0635 \u0627\u0644\u062a\u062d\u0627\u0645 \u0648\u0635\u0644\u0629 \u0627\u0644\u0644\u062d\u0627\u0645<\/li>\n\n\n\n<li>Bake moisture-sensitive components (125\u00b0C, 12\u201324 hrs)<\/li>\n\n\n\n<li>\u062a\u0645\u062f\u064a\u062f \u0627\u0644\u0648\u0642\u062a \u0641\u0648\u0642 \u0627\u0644\u0633\u0627\u0626\u0644 \u0641\u064a \u0645\u0644\u0641 \u062a\u0639\u0631\u064a\u0641 \u0625\u0639\u0627\u062f\u0629 \u0627\u0644\u062a\u062f\u0641\u0642<\/li>\n\n\n\n<li>\u0625\u0636\u0627\u0641\u0629 \u0646\u0642\u0627\u0637 \u062f\u0639\u0645 \u0644\u062a\u0642\u0644\u064a\u0644 \u0627\u0644\u062a\u0648\u0627\u0621 \u062b\u0646\u0627\u0626\u064a \u0627\u0644\u0641\u064a\u0646\u064a\u0644 \u0645\u062a\u0639\u062f\u062f \u0627\u0644\u0643\u0644\u0648\u0631<\/li>\n<\/ol>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Issue_5_How_to_reduce_QFN_soldering_defects\"><\/span>\u0627\u0644\u0645\u0634\u0643\u0644\u0629 5: \u0643\u064a\u0641 \u064a\u0645\u0643\u0646 \u062a\u0642\u0644\u064a\u0644 \u0639\u064a\u0648\u0628 \u0644\u062d\u0627\u0645 QFN\u061f<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p><strong>\u0627\u0644\u0623\u0633\u0628\u0627\u0628 \u0627\u0644\u0645\u062d\u062a\u0645\u0644\u0629<\/strong>:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u0644\u062d\u0627\u0645 \u063a\u064a\u0631 \u0643\u0627\u0641\u064d \u0639\u0644\u0649 \u0627\u0644\u0648\u0633\u0627\u062f\u0629 \u0627\u0644\u062d\u0631\u0627\u0631\u064a\u0629<\/li>\n\n\n\n<li>\u0627\u0644\u062a\u062c\u0633\u064a\u0631 \u0639\u0644\u0649 \u0627\u0644\u0648\u0633\u0627\u062f\u0627\u062a \u0627\u0644\u0645\u062d\u064a\u0637\u064a\u0629<\/li>\n\n\n\n<li>\u0627\u062e\u062a\u0644\u0627\u0644 \u0627\u0644\u0645\u062d\u0627\u0630\u0627\u0629<\/li>\n<\/ul>\n\n\n\n<p><strong>\u0627\u0644\u062d\u0644\u0648\u0644<\/strong>:<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>Set stencil aperture ratio at 60\u201370% for the center pad<\/li>\n\n\n\n<li>\u0627\u0633\u062a\u062e\u062f\u0645 \u0627\u0644\u0646\u0645\u0637 &#8220;\u062a\u0642\u0627\u0637\u0639 &#8221; \u0646\u0645\u0637 \u0627\u0644\u0648\u0633\u0627\u062f\u0627\u062a \u0627\u0644\u0645\u062d\u064a\u0637\u064a\u0629<\/li>\n\n\n\n<li>\u0625\u0636\u0627\u0641\u0629 \u0641\u062d\u0648\u0635\u0627\u062a \u0627\u0644\u0645\u062d\u0627\u0630\u0627\u0629 \u0627\u0644\u0628\u0635\u0631\u064a\u0629<\/li>\n\n\n\n<li>\u0632\u064a\u0627\u062f\u0629 \u0633\u0645\u0643 \u0627\u0644\u0627\u0633\u062a\u0646\u0633\u0644 \u0642\u0644\u064a\u0644\u0627\u064b (\u0639\u0644\u0649 \u0633\u0628\u064a\u0644 \u0627\u0644\u0645\u062b\u0627\u0644\u060c 0.15 \u0645\u0645)<\/li>\n<\/ol>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Advanced_Tips_Industry_Trends\"><\/span>\u0646\u0635\u0627\u0626\u062d \u0645\u062a\u0642\u062f\u0645\u0629 &amp;amp\u061b \u0627\u062a\u062c\u0627\u0647\u0627\u062a \u0627\u0644\u0635\u0646\u0627\u0639\u0629<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Handling_Special_Components\"><\/span>\u0627\u0644\u062a\u0639\u0627\u0645\u0644 \u0645\u0639 \u0627\u0644\u0645\u0643\u0648\u0646\u0627\u062a \u0627\u0644\u062e\u0627\u0635\u0629<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p><strong>\u0627\u0644\u0645\u0643\u0648\u0646\u0627\u062a \u0641\u0627\u0626\u0642\u0629 \u0627\u0644\u0635\u063a\u0631 (01005 \u0623\u0648 \u0623\u0635\u063a\u0631)<\/strong>:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u0627\u0633\u062a\u062e\u062f\u0627\u0645 \u0642\u0648\u0627\u0644\u0628 \u0627\u0633\u062a\u0646\u0633\u0644 \u0645\u0634\u0643\u0651\u0644\u0629 \u0643\u0647\u0631\u0628\u0627\u0626\u064a\u0627\u064b \u0639\u0627\u0644\u064a\u0629 \u0627\u0644\u062f\u0642\u0629<\/li>\n\n\n\n<li>Reduce squeegee angle (45\u201355\u00b0)<\/li>\n\n\n\n<li>\u0632\u064a\u0627\u062f\u0629 \u0648\u062a\u064a\u0631\u0629 \u0627\u0644\u062a\u0641\u062a\u064a\u0634 \u0628\u0639\u062f \u0627\u0644\u062a\u0646\u0633\u064a\u0628<\/li>\n<\/ul>\n\n\n\n<p><strong>\u0645\u0643\u0648\u0646\u0627\u062a \u0627\u0644\u0634\u0643\u0644 \u0627\u0644\u0641\u0631\u062f\u064a<\/strong>:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u0641\u0648\u0647\u0627\u062a \u0645\u062e\u0635\u0635\u0629<\/li>\n\n\n\n<li>\u0645\u0639\u0644\u0645\u0627\u062a \u0627\u0644\u0631\u0624\u064a\u0629 \u0627\u0644\u0645\u062e\u0635\u0635\u0629<\/li>\n\n\n\n<li>\u0639\u0645\u0644\u064a\u0629 \u0625\u0639\u0627\u062f\u0629 \u0627\u0644\u062a\u062f\u0641\u0642 \u0627\u0644\u062b\u0627\u0646\u0648\u064a \u0627\u0644\u0645\u062d\u062a\u0645\u0644\u0629<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Lead-Free_Process_Considerations\"><\/span>\u0627\u0639\u062a\u0628\u0627\u0631\u0627\u062a \u0627\u0644\u0639\u0645\u0644\u064a\u0629 \u0627\u0644\u062e\u0627\u0644\u064a\u0629 \u0645\u0646 \u0627\u0644\u0631\u0635\u0627\u0635<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>\u0645\u0639 \u062a\u0632\u0627\u064a\u062f \u0627\u0644\u0644\u0648\u0627\u0626\u062d \u0627\u0644\u0628\u064a\u0626\u064a\u0629\u060c \u0623\u0635\u0628\u062d \u0627\u0644\u0644\u062d\u0627\u0645 \u0627\u0644\u062e\u0627\u0644\u064a \u0645\u0646 \u0627\u0644\u0631\u0635\u0627\u0635 \u0645\u0639\u064a\u0627\u0631\u064b\u0627 \u0642\u064a\u0627\u0633\u064a\u064b\u0627:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Higher melting point (217\u00b0C vs. 183\u00b0C for leaded)<\/li>\n\n\n\n<li>Poorer wetting\u2014optimize stencil design<\/li>\n\n\n\n<li>Narrower process window\u2014tighter temperature control<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Smart_Manufacturing_in_SMT\"><\/span>\u0627\u0644\u062a\u0635\u0646\u064a\u0639 \u0627\u0644\u0630\u0643\u064a \u0641\u064a SMT<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>\u062a\u0634\u0645\u0644 \u0627\u0644\u0627\u062a\u062c\u0627\u0647\u0627\u062a \u0627\u0644\u062d\u062f\u064a\u062b\u0629 \u0645\u0627 \u064a\u0644\u064a:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>3D SPI (\u0641\u062d\u0635 \u0645\u0639\u062c\u0648\u0646 \u0627\u0644\u0644\u062d\u0627\u0645) \u0641\u064a \u0627\u0644\u0648\u0642\u062a \u0627\u0644\u0641\u0639\u0644\u064a<\/li>\n\n\n\n<li>\u0645\u062d\u0627\u0643\u0627\u0629 \u0627\u0644\u062a\u0648\u0623\u0645 \u0627\u0644\u0631\u0642\u0645\u064a \u0644\u0644\u062a\u062d\u0633\u064a\u0646<\/li>\n\n\n\n<li>\u0627\u0644\u062a\u0639\u0631\u0641 \u0639\u0644\u0649 \u0627\u0644\u0639\u064a\u0648\u0628 \u0628\u0627\u0644\u0630\u0643\u0627\u0621 \u0627\u0644\u0627\u0635\u0637\u0646\u0627\u0639\u064a<\/li>\n\n\n\n<li>\u0627\u0644\u0635\u064a\u0627\u0646\u0629 \u0627\u0644\u062a\u0646\u0628\u0624\u064a\u0629 \u0644\u0644\u0645\u0639\u062f\u0627\u062a<\/li>\n<\/ul>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"600\" height=\"402\" src=\"https:\/\/topfastpcba.com\/wp-content\/uploads\/2025\/06\/smt-2.jpg\" alt=\"\u062a\u0642\u0646\u064a\u0629 \u0627\u0644\u062a\u0646\u0633\u064a\u0628 SMT\" class=\"wp-image-6761\" srcset=\"https:\/\/topfastpcba.com\/wp-content\/uploads\/2025\/06\/smt-2.jpg 600w, https:\/\/topfastpcba.com\/wp-content\/uploads\/2025\/06\/smt-2-300x201.jpg 300w, https:\/\/topfastpcba.com\/wp-content\/uploads\/2025\/06\/smt-2-150x101.jpg 150w\" sizes=\"auto, (max-width: 600px) 100vw, 600px\" \/><\/figure>\n<\/div>\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Practical_Advice_Recommended_Resources\"><\/span>\u0646\u0635\u0627\u0626\u062d \u0639\u0645\u0644\u064a\u0629 \u0648\u0645\u0635\u0627\u062f\u0631 \u0645\u0648\u0635\u0649 \u0628\u0647\u0627<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p><strong>\u0623\u0641\u0636\u0644 \u0645\u0645\u0627\u0631\u0633\u0627\u062a \u0627\u0644\u062a\u0648\u062b\u064a\u0642<\/strong>:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u062a\u0633\u062c\u064a\u0644 \u0627\u0644\u0645\u0639\u0644\u0645\u0627\u062a \u0627\u0644\u0645\u062b\u0644\u0649 \u0644\u0643\u0644 \u0645\u0646\u062a\u062c<\/li>\n\n\n\n<li>\u0623\u0631\u0634\u064a\u0641 \u0635\u0648\u0631 \u0627\u0644\u0639\u064a\u0648\u0628 \u0648\u0627\u0644\u062d\u0644\u0648\u0644<\/li>\n\n\n\n<li>\u062a\u062d\u062f\u064a\u062b \u0625\u062c\u0631\u0627\u0621\u0627\u062a \u0627\u0644\u062a\u0634\u063a\u064a\u0644 \u0628\u0627\u0646\u062a\u0638\u0627\u0645<\/li>\n<\/ul>\n\n\n\n<p><strong>\u0645\u062c\u0627\u0644\u0627\u062a \u0627\u0644\u062a\u062f\u0631\u064a\u0628 \u0627\u0644\u0631\u0626\u064a\u0633\u064a\u0629<\/strong>:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u0623\u0633\u0627\u0633\u064a\u0627\u062a \u0635\u064a\u0627\u0646\u0629 \u0627\u0644\u0645\u0639\u062f\u0627\u062a<\/li>\n\n\n\n<li>\u0645\u0647\u0627\u0631\u0627\u062a \u0627\u0633\u062a\u0643\u0634\u0627\u0641 \u0627\u0644\u0623\u062e\u0637\u0627\u0621 \u0648\u0625\u0635\u0644\u0627\u062d\u0647\u0627 \u0628\u0633\u0631\u0639\u0629<\/li>\n\n\n\n<li>\u0627\u0644\u062a\u0648\u0639\u064a\u0629 \u0628\u062d\u0645\u0627\u064a\u0629 \u0627\u0644\u0628\u064a\u0626\u0629 \u0648\u0627\u0644\u0635\u062d\u0629 \u0648\u0627\u0644\u0633\u0644\u0627\u0645\u0629 \u0627\u0644\u0625\u0644\u0643\u062a\u0631\u0648\u0646\u064a\u0629<\/li>\n<\/ul>\n\n\n\n<p><strong>\u0627\u0644\u0623\u062f\u0648\u0627\u062a \u0627\u0644\u0645\u0648\u0635\u0649 \u0628\u0647\u0627<\/strong>:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Magnifier\/microscope (30\u2013100x)<\/li>\n\n\n\n<li>\u0645\u0642\u064a\u0627\u0633 \u062f\u0631\u062c\u0629 \u0627\u0644\u062d\u0631\u0627\u0631\u0629<\/li>\n\n\n\n<li>\u0645\u0642\u064a\u0627\u0633 \u0644\u0632\u0648\u062c\u0629 \u0639\u062c\u064a\u0646\u0629 \u0627\u0644\u0644\u062d\u0627\u0645<\/li>\n<\/ul>\n\n\n\n<p><strong>\u0645\u0648\u0627\u0631\u062f \u0627\u0644\u0635\u0646\u0627\u0639\u0629<\/strong>:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>IPC-A-610 (\u0645\u0642\u0628\u0648\u0644\u064a\u0629 \u0627\u0644\u062a\u062c\u0645\u064a\u0639\u0627\u062a \u0627\u0644\u0625\u0644\u0643\u062a\u0631\u0648\u0646\u064a\u0629)<\/li>\n\n\n\n<li>\u0646\u062f\u0648\u0627\u062a SMTA (\u062c\u0645\u0639\u064a\u0629 \u062a\u0643\u0646\u0648\u0644\u0648\u062c\u064a\u0627 \u062a\u0631\u0643\u064a\u0628 \u0627\u0644\u0623\u0633\u0637\u062d)<\/li>\n\n\n\n<li>\u0645\u0644\u0627\u062d\u0638\u0627\u062a \u0627\u0644\u062a\u0637\u0628\u064a\u0642 \u0645\u0646 \u0628\u0627\u0626\u0639\u064a \u0627\u0644\u0645\u0639\u062f\u0627\u062a \u0627\u0644\u0631\u0627\u0626\u062f\u0629<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Final_Thoughts\"><\/span>\u0627\u0644\u0623\u0641\u0643\u0627\u0631 \u0627\u0644\u0646\u0647\u0627\u0626\u064a\u0629<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>As the backbone of modern electronics manufacturing, SMT technology\u2019s importance cannot be overstated. Mastering key process points\u2014from solder paste printing to reflow soldering\u2014and understanding root causes of common issues can significantly enhance production quality and efficiency. With components shrinking and process demands rising, continuous learning and hands-on optimization are essential for every SMT engineer.<\/p>\n\n\n\n<p>\u062a\u0630\u0643\u0651\u0631: \u0639\u0645\u0644\u064a\u0627\u062a SMT \u0627\u0644\u0645\u0645\u062a\u0627\u0632\u0629 = \u0627\u0644\u0623\u0633\u0627\u0644\u064a\u0628 \u0627\u0644\u0639\u0644\u0645\u064a\u0629 + \u0627\u0644\u0627\u0646\u0636\u0628\u0627\u0637 \u0627\u0644\u0635\u0627\u0631\u0645 + \u0627\u0644\u062e\u0628\u0631\u0629 \u0627\u0644\u0645\u062a\u0631\u0627\u0643\u0645\u0629. \u0639\u0633\u0649 \u0623\u0646 \u064a\u0643\u0648\u0646 \u0647\u0630\u0627 \u0627\u0644\u062f\u0644\u064a\u0644 \u0645\u0631\u062c\u0639\u064b\u0627 \u0642\u064a\u0651\u0645\u064b\u0627 \u0641\u064a \u0639\u0645\u0644\u0643\u060c \u0648\u0644\u0627 \u062a\u062a\u0631\u062f\u062f \u0641\u064a \u0645\u0634\u0627\u0631\u0643\u0629 \u0631\u0624\u0627\u0643 \u0648\u062e\u0628\u0631\u0627\u062a\u0643!<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Related_Articles\"><\/span>\u0645\u0642\u0627\u0644\u0627\u062a \u0630\u0627\u062a \u0635\u0644\u0629<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p><a href=\"https:\/\/topfastpcba.com\/ar\/smt-pcb-assembly-process\/\">\u0639\u0645\u0644\u064a\u0629 \u062a\u062c\u0645\u064a\u0639 \u062b\u0646\u0627\u0626\u064a \u0627\u0644\u0641\u064a\u0646\u064a\u0644 \u0645\u062a\u0639\u062f\u062f \u0627\u0644\u0643\u0644\u0648\u0631 SMT<\/a><\/p>\n\n\n\n<p><a href=\"https:\/\/topfastpcba.com\/ar\/smd-pcb-assembly\/\">\u062a\u062c\u0645\u064a\u0639 \u062b\u0646\u0627\u0626\u064a \u0627\u0644\u0641\u064a\u0646\u064a\u0644 \u0645\u062a\u0639\u062f\u062f \u0627\u0644\u0643\u0644\u0648\u0631 SMD<\/a><\/p>","protected":false},"excerpt":{"rendered":"<p>This in-depth guide details the complete SMT process, covering pre-production prep, solder paste printing, component placement, reflow soldering, and quality inspection. It provides actionable solutions for 5 common production issues, along with specialized component handling tips and industry trends\u2014an indispensable resource for electronics manufacturing professionals.<\/p>","protected":false},"author":2,"featured_media":6762,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[10],"tags":[137],"class_list":["post-6758","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-industry","tag-smt"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v24.6 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>SMT Placement Technology - Topfastpcba<\/title>\n<meta name=\"description\" content=\"A comprehensive guide to SMT mounting technology workflows, revealing solutions to 5 common issues, and practical tips from solder paste printing to reflow soldering-enhance your electronics manufacturing quality and efficiency.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/topfastpcba.com\/ar\/smt-placement-technology\/\" \/>\n<meta property=\"og:locale\" content=\"ar_AR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"SMT Placement Technology - Topfastpcba\" \/>\n<meta property=\"og:description\" content=\"A comprehensive guide to SMT mounting technology workflows, revealing solutions to 5 common issues, and practical tips from solder paste printing to reflow soldering-enhance your electronics manufacturing quality and efficiency.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/topfastpcba.com\/ar\/smt-placement-technology\/\" \/>\n<meta property=\"og:site_name\" content=\"Topfastpcba\" \/>\n<meta property=\"article:published_time\" content=\"2025-06-02T12:33:19+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2025-10-22T09:06:32+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/topfastpcba.com\/wp-content\/uploads\/2025\/06\/smt.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"600\" \/>\n\t<meta property=\"og:image:height\" content=\"402\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"topfastpcb\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"\u0643\u064f\u062a\u0628 \u0628\u0648\u0627\u0633\u0637\u0629\" \/>\n\t<meta name=\"twitter:data1\" content=\"topfastpcb\" \/>\n\t<meta name=\"twitter:label2\" content=\"\u0648\u0642\u062a \u0627\u0644\u0642\u0631\u0627\u0621\u0629 \u0627\u0644\u0645\u064f\u0642\u062f\u0651\u0631\" \/>\n\t<meta name=\"twitter:data2\" content=\"7 \u062f\u0642\u0627\u0626\u0642\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/topfastpcba.com\/smt-placement-technology\/\",\"url\":\"https:\/\/topfastpcba.com\/smt-placement-technology\/\",\"name\":\"SMT Placement Technology - Topfastpcba\",\"isPartOf\":{\"@id\":\"https:\/\/topfastpcba.com\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\/\/topfastpcba.com\/smt-placement-technology\/#primaryimage\"},\"image\":{\"@id\":\"https:\/\/topfastpcba.com\/smt-placement-technology\/#primaryimage\"},\"thumbnailUrl\":\"https:\/\/topfastpcba.com\/wp-content\/uploads\/2025\/06\/smt.jpg\",\"datePublished\":\"2025-06-02T12:33:19+00:00\",\"dateModified\":\"2025-10-22T09:06:32+00:00\",\"author\":{\"@id\":\"https:\/\/topfastpcba.com\/#\/schema\/person\/3c78a799254faaf83da2317660076c6e\"},\"description\":\"A comprehensive guide to SMT mounting technology workflows, revealing solutions to 5 common issues, and practical tips from solder paste printing to reflow soldering-enhance your electronics manufacturing quality and efficiency.\",\"breadcrumb\":{\"@id\":\"https:\/\/topfastpcba.com\/smt-placement-technology\/#breadcrumb\"},\"inLanguage\":\"ar\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/topfastpcba.com\/smt-placement-technology\/\"]}]},{\"@type\":\"ImageObject\",\"inLanguage\":\"ar\",\"@id\":\"https:\/\/topfastpcba.com\/smt-placement-technology\/#primaryimage\",\"url\":\"https:\/\/topfastpcba.com\/wp-content\/uploads\/2025\/06\/smt.jpg\",\"contentUrl\":\"https:\/\/topfastpcba.com\/wp-content\/uploads\/2025\/06\/smt.jpg\",\"width\":600,\"height\":402,\"caption\":\"SMT placement technology\"},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/topfastpcba.com\/smt-placement-technology\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\/\/topfastpcba.com\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Industry\",\"item\":\"https:\/\/topfastpcba.com\/category\/industry\/\"},{\"@type\":\"ListItem\",\"position\":3,\"name\":\"SMT Placement Technology\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\/\/topfastpcba.com\/#website\",\"url\":\"https:\/\/topfastpcba.com\/\",\"name\":\"Topfastpcba\",\"description\":\"Topfast Prime Choice for Global Electronics Manufacturing\",\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\/\/topfastpcba.com\/?s={search_term_string}\"},\"query-input\":{\"@type\":\"PropertyValueSpecification\",\"valueRequired\":true,\"valueName\":\"search_term_string\"}}],\"inLanguage\":\"ar\"},{\"@type\":\"Person\",\"@id\":\"https:\/\/topfastpcba.com\/#\/schema\/person\/3c78a799254faaf83da2317660076c6e\",\"name\":\"topfastpcb\"}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"SMT Placement Technology - Topfastpcba","description":"A comprehensive guide to SMT mounting technology workflows, revealing solutions to 5 common issues, and practical tips from solder paste printing to reflow soldering-enhance your electronics manufacturing quality and efficiency.","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/topfastpcba.com\/ar\/smt-placement-technology\/","og_locale":"ar_AR","og_type":"article","og_title":"SMT Placement Technology - Topfastpcba","og_description":"A comprehensive guide to SMT mounting technology workflows, revealing solutions to 5 common issues, and practical tips from solder paste printing to reflow soldering-enhance your electronics manufacturing quality and efficiency.","og_url":"https:\/\/topfastpcba.com\/ar\/smt-placement-technology\/","og_site_name":"Topfastpcba","article_published_time":"2025-06-02T12:33:19+00:00","article_modified_time":"2025-10-22T09:06:32+00:00","og_image":[{"width":600,"height":402,"url":"https:\/\/topfastpcba.com\/wp-content\/uploads\/2025\/06\/smt.jpg","type":"image\/jpeg"}],"author":"topfastpcb","twitter_card":"summary_large_image","twitter_misc":{"\u0643\u064f\u062a\u0628 \u0628\u0648\u0627\u0633\u0637\u0629":"topfastpcb","\u0648\u0642\u062a \u0627\u0644\u0642\u0631\u0627\u0621\u0629 \u0627\u0644\u0645\u064f\u0642\u062f\u0651\u0631":"7 \u062f\u0642\u0627\u0626\u0642"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"WebPage","@id":"https:\/\/topfastpcba.com\/smt-placement-technology\/","url":"https:\/\/topfastpcba.com\/smt-placement-technology\/","name":"SMT Placement Technology - Topfastpcba","isPartOf":{"@id":"https:\/\/topfastpcba.com\/#website"},"primaryImageOfPage":{"@id":"https:\/\/topfastpcba.com\/smt-placement-technology\/#primaryimage"},"image":{"@id":"https:\/\/topfastpcba.com\/smt-placement-technology\/#primaryimage"},"thumbnailUrl":"https:\/\/topfastpcba.com\/wp-content\/uploads\/2025\/06\/smt.jpg","datePublished":"2025-06-02T12:33:19+00:00","dateModified":"2025-10-22T09:06:32+00:00","author":{"@id":"https:\/\/topfastpcba.com\/#\/schema\/person\/3c78a799254faaf83da2317660076c6e"},"description":"A comprehensive guide to SMT mounting technology workflows, revealing solutions to 5 common issues, and practical tips from solder paste printing to reflow soldering-enhance your electronics manufacturing quality and efficiency.","breadcrumb":{"@id":"https:\/\/topfastpcba.com\/smt-placement-technology\/#breadcrumb"},"inLanguage":"ar","potentialAction":[{"@type":"ReadAction","target":["https:\/\/topfastpcba.com\/smt-placement-technology\/"]}]},{"@type":"ImageObject","inLanguage":"ar","@id":"https:\/\/topfastpcba.com\/smt-placement-technology\/#primaryimage","url":"https:\/\/topfastpcba.com\/wp-content\/uploads\/2025\/06\/smt.jpg","contentUrl":"https:\/\/topfastpcba.com\/wp-content\/uploads\/2025\/06\/smt.jpg","width":600,"height":402,"caption":"SMT placement technology"},{"@type":"BreadcrumbList","@id":"https:\/\/topfastpcba.com\/smt-placement-technology\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https:\/\/topfastpcba.com\/"},{"@type":"ListItem","position":2,"name":"Industry","item":"https:\/\/topfastpcba.com\/category\/industry\/"},{"@type":"ListItem","position":3,"name":"SMT Placement Technology"}]},{"@type":"WebSite","@id":"https:\/\/topfastpcba.com\/#website","url":"https:\/\/topfastpcba.com\/","name":"Topfastpcba","description":"Topfast Prime Choice for Global Electronics Manufacturing","potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/topfastpcba.com\/?s={search_term_string}"},"query-input":{"@type":"PropertyValueSpecification","valueRequired":true,"valueName":"search_term_string"}}],"inLanguage":"ar"},{"@type":"Person","@id":"https:\/\/topfastpcba.com\/#\/schema\/person\/3c78a799254faaf83da2317660076c6e","name":"topfastpcb"}]}},"_links":{"self":[{"href":"https:\/\/topfastpcba.com\/ar\/wp-json\/wp\/v2\/posts\/6758","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/topfastpcba.com\/ar\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/topfastpcba.com\/ar\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/topfastpcba.com\/ar\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/topfastpcba.com\/ar\/wp-json\/wp\/v2\/comments?post=6758"}],"version-history":[{"count":1,"href":"https:\/\/topfastpcba.com\/ar\/wp-json\/wp\/v2\/posts\/6758\/revisions"}],"predecessor-version":[{"id":6763,"href":"https:\/\/topfastpcba.com\/ar\/wp-json\/wp\/v2\/posts\/6758\/revisions\/6763"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/topfastpcba.com\/ar\/wp-json\/wp\/v2\/media\/6762"}],"wp:attachment":[{"href":"https:\/\/topfastpcba.com\/ar\/wp-json\/wp\/v2\/media?parent=6758"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/topfastpcba.com\/ar\/wp-json\/wp\/v2\/categories?post=6758"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/topfastpcba.com\/ar\/wp-json\/wp\/v2\/tags?post=6758"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}