{"id":6821,"date":"2025-06-13T08:30:00","date_gmt":"2025-06-13T00:30:00","guid":{"rendered":"https:\/\/topfastpcba.com\/?p=6821"},"modified":"2025-06-12T18:02:31","modified_gmt":"2025-06-12T10:02:31","slug":"pcb-positioning-hole-mounting","status":"publish","type":"post","link":"https:\/\/topfastpcba.com\/ar\/pcb-positioning-hole-mounting\/","title":{"rendered":"\u062a\u0631\u0643\u064a\u0628 \u0641\u062a\u062d\u0629 \u062a\u062b\u0628\u064a\u062a \u062b\u0642\u0628 \u062a\u0645\u0648\u0636\u0639 \u062b\u0646\u0627\u0626\u064a \u0627\u0644\u0641\u064a\u0646\u064a\u0644 \u0645\u062a\u0639\u062f\u062f \u0627\u0644\u0643\u0644\u0648\u0631"},"content":{"rendered":"<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\/pcb-positioning-hole-mounting\/#Detailed_Methods_and_Considerations_for_PCB_Mounting_Hole_Installation\" >\u0637\u0631\u0642 \u0648\u0627\u0639\u062a\u0628\u0627\u0631\u0627\u062a \u0645\u0641\u0635\u0644\u0629 \u0644\u062a\u0631\u0643\u064a\u0628 \u062b\u0642\u0628 \u062a\u0631\u0643\u064a\u0628 \u062b\u0642\u0628 \u062a\u0631\u0643\u064a\u0628 \u062b\u0646\u0627\u0626\u064a \u0627\u0644\u0641\u064a\u0646\u064a\u0644 \u0645\u062a\u0639\u062f\u062f \u0627\u0644\u0643\u0644\u0648\u0631<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/topfastpcba.com\/ar\/pcb-positioning-hole-mounting\/#Detailed_Design_Phase_Considerations\" >\u0627\u0639\u062a\u0628\u0627\u0631\u0627\u062a \u0645\u0631\u062d\u0644\u0629 \u0627\u0644\u062a\u0635\u0645\u064a\u0645 \u0627\u0644\u062a\u0641\u0635\u064a\u0644\u064a\u0629<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/topfastpcba.com\/ar\/pcb-positioning-hole-mounting\/#Key_Pre-Manufacturing_Checks\" >\u0641\u062d\u0648\u0635\u0627\u062a \u0645\u0627 \u0642\u0628\u0644 \u0627\u0644\u062a\u0635\u0646\u064a\u0639 \u0627\u0644\u0631\u0626\u064a\u0633\u064a\u0629<\/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\/pcb-positioning-hole-mounting\/#Common_Mounting_Hole_Types_and_Applications\" >\u0623\u0646\u0648\u0627\u0639 \u0641\u062a\u062d\u0627\u062a \u0627\u0644\u062a\u0631\u0643\u064a\u0628 \u0627\u0644\u0634\u0627\u0626\u0639\u0629 \u0648\u062a\u0637\u0628\u064a\u0642\u0627\u062a\u0647\u0627<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/topfastpcba.com\/ar\/pcb-positioning-hole-mounting\/#In-Depth_Analysis_and_Selection_of_PCB_Connection_Methods\" >\u0627\u0644\u062a\u062d\u0644\u064a\u0644 \u0627\u0644\u0645\u062a\u0639\u0645\u0642 \u0648\u0627\u062e\u062a\u064a\u0627\u0631 \u0637\u0631\u0642 \u062a\u0648\u0635\u064a\u0644 \u062b\u0646\u0627\u0626\u064a \u0627\u0644\u0641\u064a\u0646\u064a\u0644 \u0645\u062a\u0639\u062f\u062f \u0627\u0644\u0643\u0644\u0648\u0631<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/topfastpcba.com\/ar\/pcb-positioning-hole-mounting\/#Detailed_Implementation_of_Standard_Pin_Headers\" >\u0627\u0644\u062a\u0646\u0641\u064a\u0630 \u0627\u0644\u062a\u0641\u0635\u064a\u0644\u064a \u0644\u0631\u0624\u0648\u0633 \u0627\u0644\u062f\u0628\u0627\u0628\u064a\u0633 \u0627\u0644\u0642\u064a\u0627\u0633\u064a\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\/pcb-positioning-hole-mounting\/#Professional_Considerations_for_PCB_Edge_Connectors\" >\u0627\u0644\u0627\u0639\u062a\u0628\u0627\u0631\u0627\u062a \u0627\u0644\u0645\u0647\u0646\u064a\u0629 \u0644\u0645\u0648\u0635\u0644\u0627\u062a \u062d\u0627\u0641\u0629 \u062b\u0646\u0627\u0626\u064a \u0627\u0644\u0641\u064a\u0646\u064a\u0644 \u0645\u062a\u0639\u062f\u062f \u0627\u0644\u0643\u0644\u0648\u0631<\/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\/pcb-positioning-hole-mounting\/#5_Common_Issues_and_Professional_Solutions\" >5 \u0645\u0634\u0643\u0644\u0627\u062a \u0634\u0627\u0626\u0639\u0629 \u0648\u062d\u0644\u0648\u0644 \u0627\u062d\u062a\u0631\u0627\u0641\u064a\u0629<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/topfastpcba.com\/ar\/pcb-positioning-hole-mounting\/#Issue_1_Mounting_Hole_Misalignment_Causing_Assembly_Difficulties\" >\u0627\u0644\u0645\u0634\u0643\u0644\u0629 1: \u0627\u062e\u062a\u0644\u0627\u0644 \u0645\u062d\u0627\u0630\u0627\u0629 \u0641\u062a\u062d\u0629 \u0627\u0644\u062a\u0631\u0643\u064a\u0628 \u0645\u0645\u0627 \u064a\u0633\u0628\u0628 \u0635\u0639\u0648\u0628\u0627\u062a \u0641\u064a \u0627\u0644\u062a\u062c\u0645\u064a\u0639<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/topfastpcba.com\/ar\/pcb-positioning-hole-mounting\/#Issue_2_Connector_Contact_Failure\" >\u0627\u0644\u0645\u0634\u0643\u0644\u0629 2: \u0641\u0634\u0644 \u0627\u0644\u0627\u062a\u0635\u0627\u0644 \u0628\u0627\u0644\u0645\u0648\u0635\u0644<\/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\/pcb-positioning-hole-mounting\/#Issue_3_Connection_Failure_in_High-Vibration_Environments\" >\u0627\u0644\u0645\u0634\u0643\u0644\u0629 3: \u0641\u0634\u0644 \u0627\u0644\u062a\u0648\u0635\u064a\u0644 \u0641\u064a \u0627\u0644\u0628\u064a\u0626\u0627\u062a \u0639\u0627\u0644\u064a\u0629 \u0627\u0644\u0627\u0647\u062a\u0632\u0627\u0632\u0627\u062a<\/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\/pcb-positioning-hole-mounting\/#Issue_4_Excessive_Gold_Finger_Wear\" >\u0627\u0644\u0645\u0634\u0643\u0644\u0629 4: \u0627\u0644\u062a\u0622\u0643\u0644 \u0627\u0644\u0645\u0641\u0631\u0637 \u0641\u064a \u0627\u0644\u0623\u0635\u0627\u0628\u0639 \u0627\u0644\u0630\u0647\u0628\u064a\u0629<\/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\/pcb-positioning-hole-mounting\/#Issue_5_Poor_High-Frequency_Signal_Integrity\" >\u0627\u0644\u0645\u0634\u0643\u0644\u0629 5: \u0636\u0639\u0641 \u062a\u0643\u0627\u0645\u0644 \u0627\u0644\u0625\u0634\u0627\u0631\u0627\u062a \u0639\u0627\u0644\u064a\u0629 \u0627\u0644\u062a\u0631\u062f\u062f\u0627\u062a \u0627\u0644\u0639\u0627\u0644\u064a\u0629<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-14\" href=\"https:\/\/topfastpcba.com\/ar\/pcb-positioning-hole-mounting\/#Professional_Summary\" >\u0627\u0644\u0645\u0644\u062e\u0635 \u0627\u0644\u0645\u0647\u0646\u064a<\/a><\/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\/pcb-positioning-hole-mounting\/#Latest_Reading_Recommendations\" >\u0623\u062d\u062f\u062b \u062a\u0648\u0635\u064a\u0627\u062a \u0644\u0644\u0642\u0631\u0627\u0621\u0629<\/a><\/li><\/ul><\/nav><\/div>\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Detailed_Methods_and_Considerations_for_PCB_Mounting_Hole_Installation\"><\/span>\u0637\u0631\u0642 \u0648\u0627\u0639\u062a\u0628\u0627\u0631\u0627\u062a \u0645\u0641\u0635\u0644\u0629 \u0644\u062a\u0631\u0643\u064a\u0628 \u062b\u0642\u0628 \u062a\u0631\u0643\u064a\u0628 \u062b\u0642\u0628 \u062a\u0631\u0643\u064a\u0628 \u062b\u0646\u0627\u0626\u064a \u0627\u0644\u0641\u064a\u0646\u064a\u0644 \u0645\u062a\u0639\u062f\u062f \u0627\u0644\u0643\u0644\u0648\u0631<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>\u0641\u064a \u062a\u0635\u0645\u064a\u0645 \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\u0639\u062f \u062a\u0631\u0643\u064a\u0628 \u062b\u0642\u0628 \u0627\u0644\u062a\u0631\u0643\u064a\u0628 \u0627\u0644\u0645\u0646\u0627\u0633\u0628 \u0623\u0645\u0631\u064b\u0627 \u0628\u0627\u0644\u063a \u0627\u0644\u0623\u0647\u0645\u064a\u0629 \u0644\u0636\u0645\u0627\u0646 \u0627\u0644\u0645\u062d\u0627\u0630\u0627\u0629 \u0627\u0644\u062f\u0642\u064a\u0642\u0629 \u0623\u062b\u0646\u0627\u0621 \u0627\u0644\u062a\u0635\u0646\u064a\u0639 \u0648\u0627\u0644\u062a\u062c\u0645\u064a\u0639 \u0648\u0627\u0644\u0627\u0633\u062a\u062e\u062f\u0627\u0645. \u0644\u0627 \u062a\u0639\u0645\u0644 \u0641\u062a\u062d\u0627\u062a \u0627\u0644\u062a\u0631\u0643\u064a\u0628 \u0643\u0646\u0642\u0627\u0637 \u0645\u0631\u062c\u0639\u064a\u0629 \u0644\u062a\u0631\u0643\u064a\u0628\u0627\u062a \u0627\u0644\u0625\u0646\u062a\u0627\u062c \u0641\u062d\u0633\u0628\u060c \u0628\u0644 \u062a\u0639\u0645\u0644 \u0623\u064a\u0636\u064b\u0627 \u0643\u0645\u0639\u0627\u064a\u064a\u0631 \u0645\u0647\u0645\u0629 \u0644\u0644\u0635\u064a\u0627\u0646\u0629 \u0627\u0644\u0645\u0633\u062a\u0642\u0628\u0644\u064a\u0629.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Detailed_Design_Phase_Considerations\"><\/span>\u0627\u0639\u062a\u0628\u0627\u0631\u0627\u062a \u0645\u0631\u062d\u0644\u0629 \u0627\u0644\u062a\u0635\u0645\u064a\u0645 \u0627\u0644\u062a\u0641\u0635\u064a\u0644\u064a\u0629<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>\u0639\u0646\u062f \u0627\u0633\u062a\u062e\u062f\u0627\u0645 \u0628\u0631\u0646\u0627\u0645\u062c \u0627\u062d\u062a\u0631\u0627\u0641\u064a \u0644\u062a\u0635\u0645\u064a\u0645 \u062b\u0646\u0627\u0626\u064a \u0627\u0644\u0641\u064a\u0646\u064a\u0644 \u0645\u062a\u0639\u062f\u062f \u0627\u0644\u0643\u0644\u0648\u0631 (\u0645\u062b\u0644 Altium Designer \u0623\u0648 Eagle \u0623\u0648 KiCad)\u060c \u064a\u062a\u0637\u0644\u0628 \u062a\u0635\u0645\u064a\u0645 \u062b\u0642\u0628 \u0627\u0644\u062a\u0631\u0643\u064a\u0628 \u062a\u062e\u0637\u064a\u0637\u064b\u0627 \u0645\u0646\u0647\u062c\u064a\u064b\u0627:<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>\u0627\u062e\u062a\u064a\u0627\u0631 \u0627\u0644\u0645\u0648\u0642\u0639<\/strong>: \u062a\u0648\u0636\u0639 \u0639\u0627\u062f\u0629\u064b \u0641\u064a \u0627\u0644\u0632\u0648\u0627\u064a\u0627 \u0627\u0644\u0623\u0631\u0628\u0639 \u0644\u0644\u0648\u062d\u0629 PCB\u060c \u0639\u0644\u0649 \u0628\u0639\u062f 3 \u0645\u0645 \u0639\u0644\u0649 \u0627\u0644\u0623\u0642\u0644 \u0645\u0646 \u062d\u0627\u0641\u0629 \u0627\u0644\u0644\u0648\u062d\u0629. \u0628\u0627\u0644\u0646\u0633\u0628\u0629 \u0644\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 \u063a\u064a\u0631 \u0645\u0646\u062a\u0638\u0645\u0629 \u0627\u0644\u0634\u0643\u0644\u060c \u0642\u062f \u062a\u0643\u0648\u0646 \u0647\u0646\u0627\u0643 \u062d\u0627\u062c\u0629 \u0625\u0644\u0649 \u062b\u0642\u0648\u0628 \u062a\u0631\u0643\u064a\u0628 \u0645\u0631\u0643\u0632\u064a\u0629 \u0625\u0636\u0627\u0641\u064a\u0629. \u062a\u0648\u0635\u064a \u0645\u0639\u0627\u064a\u064a\u0631 \u0627\u0644\u0635\u0646\u0627\u0639\u0629 \u0628\u0627\u0633\u062a\u062e\u062f\u0627\u0645 \u062b\u0644\u0627\u062b\u0629 \u062b\u0642\u0648\u0628 \u062a\u0631\u0643\u064a\u0628 \u063a\u064a\u0631 \u0645\u062a\u0639\u0627\u0645\u062f\u0629 \u0639\u0644\u0649 \u0627\u0644\u0623\u0642\u0644 \u0644\u062a\u062d\u0642\u064a\u0642 \u0627\u0644\u062b\u0628\u0627\u062a.<\/li>\n\n\n\n<li><strong>\u062a\u062d\u062f\u064a\u062f \u062d\u062c\u0645 \u0627\u0644\u0641\u062a\u062d\u0629<\/strong>: Standard hole sizes range from 1.0\u20133.0mm. Considerations include:<\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u0642\u0637\u0631 \u062f\u0628\u0627\u0628\u064a\u0633 \u0627\u0644\u0645\u062d\u0627\u0630\u0627\u0629 \u0627\u0644\u0645\u0633\u062a\u062e\u062f\u0645\u0629 \u0641\u064a \u0627\u0644\u062a\u062c\u0645\u064a\u0639<\/li>\n\n\n\n<li>\u0633\u064f\u0645\u0643 \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\u0637\u0644\u0628 \u0627\u0644\u0623\u0644\u0648\u0627\u062d \u0627\u0644\u0633\u0645\u064a\u0643\u0629 \u062b\u0642\u0648\u0628\u064b\u0627 \u0623\u0643\u0628\u0631)<\/li>\n\n\n\n<li>\u0639\u0648\u0627\u0645\u0644 \u0627\u0644\u0627\u0647\u062a\u0632\u0627\u0632 \u0627\u0644\u0628\u064a\u0626\u064a (\u062a\u062d\u062a\u0627\u062c \u0627\u0644\u0628\u064a\u0626\u0627\u062a \u0639\u0627\u0644\u064a\u0629 \u0627\u0644\u0627\u0647\u062a\u0632\u0627\u0632 \u0625\u0644\u0649 \u062a\u0631\u0643\u064a\u0628\u0627\u062a \u0623\u0643\u062b\u0631 \u0625\u062d\u0643\u0627\u0645\u064b\u0627)<\/li>\n<\/ul>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>\u0625\u0639\u062f\u0627\u062f \u0627\u0644\u062a\u0633\u0627\u0645\u062d<\/strong>: Typical mounting hole tolerance is \u00b10.05mm, with high-precision applications requiring \u00b10.02mm. Ensure clear labeling in Gerber files.<\/li>\n<\/ol>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Key_Pre-Manufacturing_Checks\"><\/span>\u0641\u062d\u0648\u0635\u0627\u062a \u0645\u0627 \u0642\u0628\u0644 \u0627\u0644\u062a\u0635\u0646\u064a\u0639 \u0627\u0644\u0631\u0626\u064a\u0633\u064a\u0629<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>\u0642\u0628\u0644 \u062a\u0642\u062f\u064a\u0645 \u0627\u0644\u062a\u0635\u0645\u064a\u0645\u0627\u062a \u0625\u0644\u0649 \u0627\u0644\u0634\u0631\u0643\u0627\u062a \u0627\u0644\u0645\u0635\u0646\u0639\u0629\u060c \u062a\u062d\u0642\u0642 \u0645\u0645\u0627 \u064a\u0644\u064a:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u0627\u0644\u0645\u0633\u0627\u0641\u0629 \u0645\u0646 \u062d\u0627\u0641\u0629 \u0627\u0644\u0644\u0648\u062d\u0629<\/strong>: \u062a\u0623\u0643\u062f \u0645\u0646 \u0623\u0646 \u0645\u0631\u0627\u0643\u0632 \u062b\u0642\u0628 \u0627\u0644\u062a\u062b\u0628\u064a\u062a \u0639\u0644\u0649 \u0628\u0639\u062f 3 \u0645\u0645 \u0639\u0644\u0649 \u0627\u0644\u0623\u0642\u0644 \u0645\u0646 \u0627\u0644\u062d\u0627\u0641\u0629 \u0644\u0645\u0646\u0639 \u0627\u0644\u0643\u0633\u0631 \u0623\u062b\u0646\u0627\u0621 \u0627\u0644\u062a\u0634\u063a\u064a\u0644 \u0627\u0644\u0622\u0644\u064a.<\/li>\n\n\n\n<li><strong>\u0627\u0644\u062e\u0644\u0648\u0635 \u0645\u0646 \u0627\u0644\u0645\u0643\u0648\u0646\u0627\u062a \u0627\u0644\u0623\u062e\u0631\u0649<\/strong>: \u064a\u062c\u0628 \u0623\u0644\u0627 \u062a\u0643\u0648\u0646 \u0623\u064a \u0645\u0643\u0648\u0646\u0627\u062a \u0623\u0648 \u0622\u062b\u0627\u0631 \u0641\u064a \u0646\u0637\u0627\u0642 3 \u0645\u0645 \u0645\u0646 \u0641\u062a\u062d\u0627\u062a \u0627\u0644\u062a\u0631\u0643\u064a\u0628.<\/li>\n\n\n\n<li><strong>\u0645\u0624\u0634\u0631 \u0627\u0644\u062b\u0642\u0628 \u063a\u064a\u0631 \u0627\u0644\u0645\u0637\u0644\u064a<\/strong>: \u064a\u062c\u0628 \u0623\u0646 \u062a\u0643\u0648\u0646 \u0645\u0639\u0638\u0645 \u0641\u062a\u062d\u0627\u062a \u0627\u0644\u062a\u062b\u0628\u064a\u062a \u063a\u064a\u0631 \u0645\u0637\u0644\u064a\u0629 \u0648\u064a\u062c\u0628 \u0627\u0644\u0625\u0634\u0627\u0631\u0629 \u0625\u0644\u064a\u0647\u0627 \u0628\u0648\u0636\u0648\u062d.<\/li>\n\n\n\n<li><strong>\u062a\u0646\u0627\u0638\u0631 \u0627\u0644\u0637\u0628\u0642\u0627\u062a<\/strong>: \u0628\u0627\u0644\u0646\u0633\u0628\u0629 \u0644\u0644\u0623\u0644\u0648\u0627\u062d \u0645\u062a\u0639\u062f\u062f\u0629 \u0627\u0644\u0637\u0628\u0642\u0627\u062a\u060c \u064a\u062c\u0628 \u0623\u0646 \u062a\u0631\u0627\u0639\u064a \u0645\u0648\u0627\u0636\u0639 \u062b\u0642\u0628 \u0627\u0644\u062a\u0631\u0643\u064a\u0628 \u062a\u0646\u0627\u0638\u0631 \u0627\u0644\u0637\u0628\u0642\u0627\u062a \u0644\u062a\u062c\u0646\u0628 \u0627\u0644\u0627\u0644\u062a\u0648\u0627\u0621.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Common_Mounting_Hole_Types_and_Applications\"><\/span>\u0623\u0646\u0648\u0627\u0639 \u0641\u062a\u062d\u0627\u062a \u0627\u0644\u062a\u0631\u0643\u064a\u0628 \u0627\u0644\u0634\u0627\u0626\u0639\u0629 \u0648\u062a\u0637\u0628\u064a\u0642\u0627\u062a\u0647\u0627<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>\u062b\u0642\u0648\u0628 \u0627\u0644\u062a\u0631\u0643\u064a\u0628 \u0627\u0644\u062f\u0627\u0626\u0631\u064a\u0629<\/strong>: \u0627\u0644\u0623\u0643\u062b\u0631 \u0634\u064a\u0648\u0639\u064b\u0627\u060c \u0648\u0645\u0646\u0627\u0633\u0628\u0629 \u0644\u0644\u062a\u0637\u0628\u064a\u0642\u0627\u062a \u0627\u0644\u0639\u0627\u0645\u0629.<\/li>\n\n\n\n<li><strong>\u062b\u0642\u0648\u0628 \u0627\u0644\u062a\u0631\u0643\u064a\u0628 \u0627\u0644\u0645\u0634\u0642\u0648\u0642\u0629<\/strong>: \u0627\u0644\u0633\u0645\u0627\u062d \u0628\u062a\u0639\u062f\u064a\u0644 \u0645\u0648\u0636\u0639\u064a \u0637\u0641\u064a\u0641\u060c \u0645\u062b\u0627\u0644\u064a \u0644\u0644\u062a\u0631\u0643\u064a\u0628\u0627\u062a \u0630\u0627\u062a \u0645\u0639\u0627\u0645\u0644\u0627\u062a \u0627\u0644\u062a\u0645\u062f\u062f \u0627\u0644\u062d\u0631\u0627\u0631\u064a \u0627\u0644\u0645\u062e\u062a\u0644\u0641\u0629.<\/li>\n\n\n\n<li><strong>\u062b\u0642\u0648\u0628 \u0627\u0644\u062a\u0631\u0643\u064a\u0628 \u0627\u0644\u063a\u0627\u0637\u0633\u0629<\/strong>: \u062a\u0633\u0647\u064a\u0644 \u0625\u062f\u062e\u0627\u0644 \u0627\u0644\u062f\u0628\u0648\u0633 \u0628\u0633\u0647\u0648\u0644\u0629\u060c \u0645\u062b\u0627\u0644\u064a\u0629 \u0644\u0644\u062a\u062c\u0645\u064a\u0639 \u0627\u0644\u0633\u0631\u064a\u0639.<\/li>\n\n\n\n<li><strong>\u062b\u0642\u0648\u0628 \u0627\u0644\u062a\u062b\u0628\u064a\u062a \u0627\u0644\u0645\u0637\u0644\u064a\u0629<\/strong>: \u062a\u064f\u0633\u062a\u062e\u062f\u0645 \u0639\u0646\u062f \u0627\u0644\u062d\u0627\u062c\u0629 \u0625\u0644\u0649 \u062a\u0648\u0635\u064a\u0644\u0629 \u0643\u0647\u0631\u0628\u0627\u0626\u064a\u0629\u060c \u0648\u0644\u0643\u0646\u0647\u0627 \u062a\u0632\u064a\u062f \u0645\u0646 \u0627\u0644\u062a\u0643\u0644\u0641\u0629.<\/li>\n<\/ol>\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=\"\u062b\u0646\u0627\u0626\u064a \u0627\u0644\u0641\u064a\u0646\u064a\u0644 \u0645\u062a\u0639\u062f\u062f \u0627\u0644\u0643\u0644\u0648\u0631\" 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=\"In-Depth_Analysis_and_Selection_of_PCB_Connection_Methods\"><\/span>\u0627\u0644\u062a\u062d\u0644\u064a\u0644 \u0627\u0644\u0645\u062a\u0639\u0645\u0642 \u0648\u0627\u062e\u062a\u064a\u0627\u0631 \u0637\u0631\u0642 \u062a\u0648\u0635\u064a\u0644 \u062b\u0646\u0627\u0626\u064a \u0627\u0644\u0641\u064a\u0646\u064a\u0644 \u0645\u062a\u0639\u062f\u062f \u0627\u0644\u0643\u0644\u0648\u0631<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Detailed_Implementation_of_Standard_Pin_Headers\"><\/span>\u0627\u0644\u062a\u0646\u0641\u064a\u0630 \u0627\u0644\u062a\u0641\u0635\u064a\u0644\u064a \u0644\u0631\u0624\u0648\u0633 \u0627\u0644\u062f\u0628\u0627\u0628\u064a\u0633 \u0627\u0644\u0642\u064a\u0627\u0633\u064a\u0629<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>\u062a\u064f\u0639\u062f \u0631\u0624\u0648\u0633 \u0627\u0644\u062f\u0628\u0627\u0628\u064a\u0633 \u0627\u0644\u0642\u064a\u0627\u0633\u064a\u0629 \u062e\u064a\u0627\u0631\u064b\u0627 \u0641\u0639\u0627\u0644\u0627\u064b \u0645\u0646 \u062d\u064a\u062b \u0627\u0644\u062a\u0643\u0644\u0641\u0629\u060c \u062e\u0627\u0635\u0629\u064b \u0641\u064a \u0639\u0645\u0644\u064a\u0627\u062a \u0627\u0644\u0625\u0646\u062a\u0627\u062c \u0627\u0644\u0635\u063a\u064a\u0631\u0629 \u0625\u0644\u0649 \u0627\u0644\u0645\u062a\u0648\u0633\u0637\u0629:<\/p>\n\n\n\n<p><strong>\u0646\u0642\u0627\u0637 \u0627\u0644\u062a\u0646\u0641\u064a\u0630 \u0627\u0644\u0631\u0626\u064a\u0633\u064a\u0629<\/strong>:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u062a\u0643\u0648\u0646 \u0627\u0644\u0645\u0633\u0627\u0641\u0627\u062a \u0628\u064a\u0646 \u0627\u0644\u0645\u0633\u0627\u0645\u064a\u0631 \u0639\u0627\u062f\u0629\u064b 2.54 \u0645\u0645 (0.1 \u0628\u0648\u0635\u0629) \u0623\u0648 2.0 \u0645\u0645.<\/li>\n\n\n\n<li>\u064a\u0648\u0635\u0649 \u0628\u0627\u0633\u062a\u062e\u062f\u0627\u0645 \u0631\u0624\u0648\u0633 \u0645\u0632\u062f\u0648\u062c\u0629 \u0627\u0644\u0635\u0641\u0648\u0641 \u0644\u062a\u0639\u0632\u064a\u0632 \u0627\u0644\u062b\u0628\u0627\u062a.<\/li>\n\n\n\n<li>PCB pads should be 0.2\u20130.3mm larger than the pin diameter.<\/li>\n\n\n\n<li>\u0648\u0633\u0627\u062f\u0627\u062a \u062f\u0639\u0645 \u0643\u0627\u0641\u064a\u0629 \u0639\u0644\u0649 \u0627\u0644\u062c\u0627\u0646\u0628 \u0627\u0644\u062e\u0644\u0641\u064a \u062a\u0645\u0646\u0639 \u0627\u0644\u0627\u0646\u0641\u0635\u0627\u0644.<\/li>\n<\/ul>\n\n\n\n<p><strong>\u0627\u0644\u0645\u0632\u0627\u064a\u0627<\/strong>:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u0645\u0646\u062e\u0641\u0636\u0629 \u0627\u0644\u062a\u0643\u0644\u0641\u0629 \u0648\u0633\u0647\u0644\u0629 \u0627\u0644\u0644\u062d\u0627\u0645 \u0627\u0644\u064a\u062f\u0648\u064a.<\/li>\n\n\n\n<li>\u062a\u0648\u0635\u064a\u0644\u0627\u062a \u0645\u0648\u062b\u0648\u0642\u0629 \u0645\u0639 \u0645\u0642\u0627\u0648\u0645\u0629 \u062a\u0644\u0627\u0645\u0633 \u0645\u0646\u062e\u0641\u0636\u0629.<\/li>\n\n\n\n<li>\u0625\u0635\u0644\u0627\u062d \u0648\u0627\u0633\u062a\u0628\u062f\u0627\u0644 \u0628\u0633\u064a\u0637.<\/li>\n<\/ul>\n\n\n\n<p><strong>\u0627\u0644\u0642\u064a\u0648\u062f<\/strong>:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u062a\u0634\u063a\u0644 \u0645\u0633\u0627\u062d\u0629 \u0623\u0643\u0628\u0631 \u0645\u0646 \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>\u063a\u064a\u0631 \u0645\u0646\u0627\u0633\u0628 \u0644\u0646\u0642\u0644 \u0627\u0644\u0625\u0634\u0627\u0631\u0627\u062a \u0639\u0627\u0644\u064a\u0629 \u0627\u0644\u062a\u0631\u062f\u062f.<\/li>\n\n\n\n<li>\u0642\u062f \u064a\u0631\u062a\u062e\u064a \u0641\u064a \u0627\u0644\u0628\u064a\u0626\u0627\u062a \u0639\u0627\u0644\u064a\u0629 \u0627\u0644\u0627\u0647\u062a\u0632\u0627\u0632.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Professional_Considerations_for_PCB_Edge_Connectors\"><\/span>\u0627\u0644\u0627\u0639\u062a\u0628\u0627\u0631\u0627\u062a \u0627\u0644\u0645\u0647\u0646\u064a\u0629 \u0644\u0645\u0648\u0635\u0644\u0627\u062a \u062d\u0627\u0641\u0629 \u062b\u0646\u0627\u0626\u064a \u0627\u0644\u0641\u064a\u0646\u064a\u0644 \u0645\u062a\u0639\u062f\u062f \u0627\u0644\u0643\u0644\u0648\u0631<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>\u062a\u064f\u0639\u062f \u0645\u0648\u0635\u0644\u0627\u062a \u062d\u0627\u0641\u0629 \u062b\u0646\u0627\u0626\u064a \u0627\u0644\u0641\u064a\u0646\u064a\u0644 \u0645\u062a\u0639\u062f\u062f \u0627\u0644\u0643\u0644\u0648\u0631 (\u0645\u0648\u0635\u0644\u0627\u062a \u0627\u0644\u0623\u0635\u0627\u0628\u0639 \u0627\u0644\u0630\u0647\u0628\u064a\u0629) \u0645\u062b\u0627\u0644\u064a\u0629 \u0644\u0644\u062a\u0648\u0635\u064a\u0644\/\u0641\u0635\u0644 \u0627\u0644\u062a\u0648\u0635\u064a\u0644 \u0627\u0644\u0645\u062a\u0643\u0631\u0631 \u0623\u0648 \u0627\u0644\u062a\u0635\u0645\u064a\u0645\u0627\u062a \u0627\u0644\u0645\u0639\u064a\u0627\u0631\u064a\u0629:<\/p>\n\n\n\n<p><strong>\u0645\u0648\u0627\u0635\u0641\u0627\u062a \u0627\u0644\u062a\u0635\u0645\u064a\u0645<\/strong>:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>The gold finger length should exceed the contact area by 2\u20133mm.<\/li>\n\n\n\n<li>Gold finger thickness is typically 30\u201350\u00b5m.<\/li>\n\n\n\n<li>Edge chamfering (recommended 30\u201345 degrees).<\/li>\n\n\n\n<li>\u062a\u062a\u0637\u0644\u0628 \u0627\u0644\u0645\u0646\u0627\u0637\u0642 \u063a\u064a\u0631 \u0627\u0644\u0645\u0644\u0627\u0645\u0633\u0629 \u062a\u0637\u0628\u064a\u0642 \u0642\u0646\u0627\u0639 \u0644\u062d\u0627\u0645.<\/li>\n<\/ul>\n\n\n\n<p><strong>\u062a\u062d\u0633\u064a\u0646 \u0627\u0644\u0623\u062f\u0627\u0621<\/strong>:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u0642\u0645 \u0628\u0632\u064a\u0627\u062f\u0629 \u0623\u0635\u0627\u0628\u0639 \u0627\u0644\u062a\u0623\u0631\u064a\u0636 \u0644\u062a\u0642\u0644\u064a\u0644 \u0627\u0644\u062a\u062f\u0627\u062e\u0644 \u0627\u0644\u0643\u0647\u0631\u0648\u0645\u063a\u0646\u0627\u0637\u064a\u0633\u064a \u0627\u0644\u0643\u0647\u0631\u0648\u0645\u063a\u0646\u0627\u0637\u064a\u0633\u064a.<\/li>\n\n\n\n<li>\u0636\u0639 \u0627\u0644\u062e\u0637\u0648\u0637 \u0627\u0644\u0623\u0631\u0636\u064a\u0629 \u0628\u062c\u0648\u0627\u0631 \u062e\u0637\u0648\u0637 \u0627\u0644\u0625\u0634\u0627\u0631\u0629 \u0627\u0644\u062d\u0631\u062c\u0629.<\/li>\n\n\n\n<li>\u062a\u0636\u0645\u064a\u0646 \u0641\u062a\u062d\u0627\u062a \u0644\u062a\u062e\u0641\u064a\u0641 \u0627\u0644\u0636\u063a\u0637 \u0641\u064a \u0623\u0637\u0631\u0627\u0641 \u0627\u0644\u0623\u0635\u0627\u0628\u0639.<\/li>\n<\/ul>\n\n\n\n<p><strong>\u0646\u0635\u0627\u0626\u062d \u0627\u0644\u0635\u064a\u0627\u0646\u0629<\/strong>:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u0646\u0638\u0641 \u0627\u0644\u0639\u062f\u0633\u0627\u062a \u0627\u0644\u0644\u0627\u0635\u0642\u0629 \u0628\u0627\u0646\u062a\u0638\u0627\u0645 \u0628\u0627\u0633\u062a\u062e\u062f\u0627\u0645 \u0645\u0646\u0638\u0641\u0627\u062a \u0645\u062a\u062e\u0635\u0635\u0629.<\/li>\n\n\n\n<li>Avoid excessive plugging\/unplugging (typical lifespan: 500\u20131000 cycles).<\/li>\n\n\n\n<li>\u064a\u064f\u062d\u0641\u0638 \u0641\u064a \u0623\u0643\u064a\u0627\u0633 \u0645\u0636\u0627\u062f\u0629 \u0644\u0644\u0623\u0643\u0633\u062f\u0629 \u0639\u0646\u062f \u0639\u062f\u0645 \u0627\u0633\u062a\u062e\u062f\u0627\u0645\u0647.<\/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\/05\/Through-Hole-PCB.jpg\" alt=\"\u062b\u0642\u0628 \u062b\u0642\u0628 \u062b\u0646\u0627\u0626\u064a \u0627\u0644\u0641\u064a\u0646\u064a\u0644 \u0645\u062a\u0639\u062f\u062f \u0627\u0644\u0643\u0644\u0648\u0631\" class=\"wp-image-6681\" srcset=\"https:\/\/topfastpcba.com\/wp-content\/uploads\/2025\/05\/Through-Hole-PCB.jpg 600w, https:\/\/topfastpcba.com\/wp-content\/uploads\/2025\/05\/Through-Hole-PCB-300x201.jpg 300w, https:\/\/topfastpcba.com\/wp-content\/uploads\/2025\/05\/Through-Hole-PCB-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=\"5_Common_Issues_and_Professional_Solutions\"><\/span>5 \u0645\u0634\u0643\u0644\u0627\u062a \u0634\u0627\u0626\u0639\u0629 \u0648\u062d\u0644\u0648\u0644 \u0627\u062d\u062a\u0631\u0627\u0641\u064a\u0629<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_Mounting_Hole_Misalignment_Causing_Assembly_Difficulties\"><\/span>\u0627\u0644\u0645\u0634\u0643\u0644\u0629 1: \u0627\u062e\u062a\u0644\u0627\u0644 \u0645\u062d\u0627\u0630\u0627\u0629 \u0641\u062a\u062d\u0629 \u0627\u0644\u062a\u0631\u0643\u064a\u0628 \u0645\u0645\u0627 \u064a\u0633\u0628\u0628 \u0635\u0639\u0648\u0628\u0627\u062a \u0641\u064a \u0627\u0644\u062a\u062c\u0645\u064a\u0639<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p><strong>\u0627\u0644\u0623\u0633\u0628\u0627\u0628 \u0627\u0644\u062c\u0630\u0631\u064a\u0629<\/strong>:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u0627\u0644\u0627\u062e\u062a\u0644\u0627\u0641\u0627\u062a \u0628\u064a\u0646 \u0645\u0644\u0641\u0627\u062a \u0627\u0644\u062a\u0635\u0645\u064a\u0645 \u0648\u0645\u062e\u0631\u062c\u0627\u062a \u062c\u0631\u0628\u0631.<\/li>\n\n\n\n<li>\u062a\u0641\u0627\u0648\u062a\u0627\u062a \u0627\u0644\u062a\u0635\u0646\u064a\u0639 \u0627\u0644\u0645\u062a\u0631\u0627\u0643\u0645\u0629.<\/li>\n\n\n\n<li>\u0639\u062f\u0645 \u062a\u0637\u0627\u0628\u0642 \u0645\u0639\u0627\u0645\u0644\u0627\u062a \u0627\u0644\u062a\u0645\u062f\u062f \u0627\u0644\u062d\u0631\u0627\u0631\u064a (CTE).<\/li>\n<\/ul>\n\n\n\n<p><strong>\u0627\u0644\u062d\u0644\u0648\u0644<\/strong>:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u0625\u0636\u0627\u0641\u0629 \u0639\u0644\u0627\u0645\u0627\u062a \u0625\u0631\u0634\u0627\u062f\u064a\u0629 \u0644\u0644\u0645\u0633\u0627\u0639\u062f\u0629 \u0641\u064a \u0627\u0644\u0645\u062d\u0627\u0630\u0627\u0629.<\/li>\n\n\n\n<li>\u062d\u062f\u062f \u0627\u0644\u0634\u0631\u0643\u0627\u062a \u0627\u0644\u0645\u0635\u0646\u0639\u0629 \u0630\u0627\u062a \u0627\u0644\u062f\u0642\u0629 \u0627\u0644\u0639\u0627\u0644\u064a\u0629 (\u0639\u0644\u0649 \u0633\u0628\u064a\u0644 \u0627\u0644\u0645\u062b\u0627\u0644\u060c IPC-A-600 Class 3).<\/li>\n\n\n\n<li>\u0627\u0633\u062a\u062e\u062f\u0627\u0645 \u062e\u0648\u0627\u0631\u0632\u0645\u064a\u0627\u062a \u0627\u0644\u062a\u0639\u0648\u064a\u0636 \u0641\u064a \u0628\u0631\u0627\u0645\u062c \u0627\u0644\u062d\u0641\u0631 NC.<\/li>\n\n\n\n<li>\u0636\u0639 \u0641\u064a \u0627\u0639\u062a\u0628\u0627\u0631\u0643 \u0627\u0644\u0645\u0648\u0627\u062f \u0627\u0644\u0645\u062a\u0648\u0627\u0641\u0642\u0629 \u0645\u0639 CTE.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Issue_2_Connector_Contact_Failure\"><\/span>\u0627\u0644\u0645\u0634\u0643\u0644\u0629 2: \u0641\u0634\u0644 \u0627\u0644\u0627\u062a\u0635\u0627\u0644 \u0628\u0627\u0644\u0645\u0648\u0635\u0644<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p><strong>\u0627\u0644\u0623\u0639\u0631\u0627\u0636<\/strong>:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u0641\u0642\u062f\u0627\u0646 \u0627\u0644\u0625\u0634\u0627\u0631\u0629 \u0627\u0644\u0645\u062a\u0642\u0637\u0639.<\/li>\n\n\n\n<li>\u0645\u0642\u0627\u0648\u0645\u0629 \u0627\u0644\u062a\u0644\u0627\u0645\u0633 \u063a\u064a\u0631 \u0627\u0644\u0645\u0633\u062a\u0642\u0631\u0629.<\/li>\n\n\n\n<li>\u0632\u064a\u0627\u062f\u0629 \u0645\u0639\u062f\u0644\u0627\u062a \u0627\u0644\u0641\u0634\u0644 \u0641\u064a \u062f\u0631\u062c\u0627\u062a \u0627\u0644\u062d\u0631\u0627\u0631\u0629 \u0627\u0644\u0639\u0627\u0644\u064a\u0629.<\/li>\n<\/ul>\n\n\n\n<p><strong>\u062e\u0637\u0648\u0627\u062a \u0627\u0633\u062a\u0643\u0634\u0627\u0641 \u0627\u0644\u0623\u062e\u0637\u0627\u0621 \u0648\u0625\u0635\u0644\u0627\u062d\u0647\u0627<\/strong>:<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u0646\u0638\u0641 \u0627\u0644\u062a\u0644\u0627\u0645\u0633 (\u0627\u0633\u062a\u062e\u062f\u0645 \u0643\u062d\u0648\u0644 \u0627\u0644\u0623\u064a\u0632\u0648\u0628\u0631\u0648\u0628\u064a\u0644 \u0648\u0642\u0637\u0639\u0629 \u0642\u0645\u0627\u0634 \u062e\u0627\u0644\u064a\u0629 \u0645\u0646 \u0627\u0644\u0648\u0628\u0631).<\/li>\n\n\n\n<li>\u0627\u0641\u062d\u0635 \u0634\u062f \u0646\u0627\u0628\u0636 \u0627\u0644\u0645\u0633\u0645\u0627\u0631\/\u0627\u0644\u0648\u0635\u0644\u0629 (\u064a\u062c\u0628 \u0623\u0646 \u064a\u062a\u0648\u0627\u0641\u0642 \u0645\u0639 MIL-STD-1344).<\/li>\n\n\n\n<li>Measure contact resistance (should be &lt;50m\u03a9).<\/li>\n\n\n\n<li>\u0642\u0645 \u0628\u062a\u0631\u0642\u064a\u0629 \u0645\u0627\u062f\u0629 \u0627\u0644\u0637\u0644\u0627\u0621 \u0625\u0630\u0627 \u0644\u0632\u0645 \u0627\u0644\u0623\u0645\u0631 (\u064a\u062a\u0641\u0648\u0642 \u0627\u0644\u0630\u0647\u0628 \u0639\u0644\u0649 \u0627\u0644\u0642\u0635\u062f\u064a\u0631).<\/li>\n<\/ol>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Issue_3_Connection_Failure_in_High-Vibration_Environments\"><\/span>\u0627\u0644\u0645\u0634\u0643\u0644\u0629 3: \u0641\u0634\u0644 \u0627\u0644\u062a\u0648\u0635\u064a\u0644 \u0641\u064a \u0627\u0644\u0628\u064a\u0626\u0627\u062a \u0639\u0627\u0644\u064a\u0629 \u0627\u0644\u0627\u0647\u062a\u0632\u0627\u0632\u0627\u062a<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p><strong>\u0627\u0644\u062a\u062f\u0627\u0628\u064a\u0631 \u0627\u0644\u0648\u0642\u0627\u0626\u064a\u0629<\/strong>:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u0627\u0633\u062a\u062e\u062f\u0645 \u0645\u0648\u0635\u0644\u0627\u062a \u0627\u0644\u0625\u063a\u0644\u0627\u0642 (\u0639\u0644\u0649 \u0633\u0628\u064a\u0644 \u0627\u0644\u0645\u062b\u0627\u0644\u060c \u0645\u0648\u0644\u064a\u0643\u0633 \u0645\u0627\u064a\u0643\u0631\u0648 \u0641\u064a\u062a 3.0).<\/li>\n\n\n\n<li>\u0623\u0636\u0641 \u0645\u062b\u0628\u062a\u0627\u062a \u0645\u064a\u0643\u0627\u0646\u064a\u0643\u064a\u0629 (\u0628\u0631\u0627\u063a\u064a + \u062d\u0644\u0642\u0627\u062a).<\/li>\n\n\n\n<li>\u0627\u0633\u062a\u0628\u062f\u0644 \u0627\u0644\u0645\u0633\u0627\u0645\u064a\u0631 \u0627\u0644\u0642\u064a\u0627\u0633\u064a\u0629 \u0628\u0623\u062e\u0631\u0649 \u0645\u0644\u0648\u0644\u0628\u0629.<\/li>\n\n\n\n<li>\u0636\u0639 \u0645\u0627\u062f\u0629 \u0627\u0644\u0625\u064a\u0628\u0648\u0643\u0633\u064a \u0627\u0644\u0644\u0627\u0635\u0642\u0629 (\u0627\u062e\u062a\u0631 \u0627\u0644\u0644\u0632\u0648\u062c\u0629 \u0627\u0644\u0645\u0646\u0627\u0633\u0628\u0629).<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Issue_4_Excessive_Gold_Finger_Wear\"><\/span>\u0627\u0644\u0645\u0634\u0643\u0644\u0629 4: \u0627\u0644\u062a\u0622\u0643\u0644 \u0627\u0644\u0645\u0641\u0631\u0637 \u0641\u064a \u0627\u0644\u0623\u0635\u0627\u0628\u0639 \u0627\u0644\u0630\u0647\u0628\u064a\u0629<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p><strong>\u0637\u0631\u0642 \u062a\u0645\u062f\u064a\u062f \u0627\u0644\u0639\u0645\u0631 \u0627\u0644\u0627\u0641\u062a\u0631\u0627\u0636\u064a<\/strong>:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Use hard gold plating (2\u20135% cobalt content).<\/li>\n\n\n\n<li>\u0632\u064a\u0627\u062f\u0629 \u0639\u062f\u062f \u0627\u0644\u0623\u0635\u0627\u0628\u0639 \u0644\u062a\u0648\u0632\u064a\u0639 \u0627\u0644\u062a\u0622\u0643\u0644.<\/li>\n\n\n\n<li>\u062a\u062d\u0633\u064a\u0646 \u0623\u062f\u0644\u0629 \u0627\u0644\u0625\u062f\u062e\u0627\u0644\/\u0627\u0644\u0625\u0632\u0627\u0644\u0629.<\/li>\n\n\n\n<li>\u0627\u0644\u062a\u062d\u0643\u0645 \u0641\u064a \u0642\u0648\u0629 \u0627\u0644\u0625\u062f\u062e\u0627\u0644 (\u0627\u0633\u062a\u062e\u062f\u0627\u0645 \u0623\u062f\u0648\u0627\u062a \u0645\u062a\u062e\u0635\u0635\u0629).<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Issue_5_Poor_High-Frequency_Signal_Integrity\"><\/span>\u0627\u0644\u0645\u0634\u0643\u0644\u0629 5: \u0636\u0639\u0641 \u062a\u0643\u0627\u0645\u0644 \u0627\u0644\u0625\u0634\u0627\u0631\u0627\u062a \u0639\u0627\u0644\u064a\u0629 \u0627\u0644\u062a\u0631\u062f\u062f\u0627\u062a \u0627\u0644\u0639\u0627\u0644\u064a\u0629<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p><strong>\u0627\u0633\u062a\u0631\u0627\u062a\u064a\u062c\u064a\u0627\u062a \u0627\u0644\u062a\u062d\u0633\u064a\u0646<\/strong>:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u0627\u0633\u062a\u062e\u062f\u0645 \u0645\u0648\u0635\u0644\u0627\u062a \u0645\u062a\u0637\u0627\u0628\u0642\u0629 \u0627\u0644\u0645\u0639\u0627\u0648\u0642\u0629.<\/li>\n\n\n\n<li>\u062a\u0642\u0644\u064a\u0644 \u0623\u0637\u0648\u0627\u0644 \u0627\u0644\u062a\u0648\u0635\u064a\u0644 \u0625\u0644\u0649 \u0627\u0644\u062d\u062f \u0627\u0644\u0623\u062f\u0646\u0649.<\/li>\n\n\n\n<li>\u0632\u064a\u0627\u062f\u0629 \u0627\u0644\u0645\u0633\u0627\u0645\u064a\u0631 \u0627\u0644\u0623\u0631\u0636\u064a\u0629 (20% \u0639\u0644\u0649 \u0627\u0644\u0623\u0642\u0644 \u0645\u0646 \u0627\u0644\u0625\u062c\u0645\u0627\u0644\u064a).<\/li>\n\n\n\n<li>\u0627\u0633\u062a\u062e\u062f\u0627\u0645 \u0627\u0644\u0625\u0634\u0627\u0631\u0627\u062a \u0627\u0644\u062a\u0641\u0627\u0636\u0644\u064a\u0629.<\/li>\n\n\n\n<li>\u0623\u0636\u0641 \u062d\u0634\u0648\u0627\u062a \u0648\u0627\u0642\u064a\u0629 \u0645\u0646 \u0627\u0644\u062a\u062f\u0627\u062e\u0644 \u0627\u0644\u0643\u0647\u0631\u0648\u0645\u063a\u0646\u0627\u0637\u064a\u0633\u064a \u0627\u0644\u0643\u0647\u0631\u0648\u0645\u063a\u0646\u0627\u0637\u064a\u0633\u064a.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Professional_Summary\"><\/span>\u0627\u0644\u0645\u0644\u062e\u0635 \u0627\u0644\u0645\u0647\u0646\u064a<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>\u064a\u0624\u062b\u0631 \u0627\u062e\u062a\u064a\u0627\u0631 \u062b\u0642\u0648\u0628 \u062a\u0631\u0643\u064a\u0628 \u062b\u0646\u0627\u0626\u064a \u0627\u0644\u0641\u064a\u0646\u064a\u0644 \u0645\u062a\u0639\u062f\u062f \u0627\u0644\u0643\u0644\u0648\u0631 \u0648\u0637\u0631\u0642 \u0627\u0644\u062a\u0648\u0635\u064a\u0644 \u062a\u0623\u062b\u064a\u0631\u064b\u0627 \u0645\u0628\u0627\u0634\u0631\u064b\u0627 \u0639\u0644\u0649 \u0645\u0648\u062b\u0648\u0642\u064a\u0629 \u0627\u0644\u0645\u0646\u062a\u062c \u0648\u0642\u0627\u0628\u0644\u064a\u0629 \u0627\u0644\u062a\u0635\u0646\u064a\u0639 \u0648\u0627\u0644\u062e\u062f\u0645\u0629. \u064a\u0645\u0643\u0646 \u0623\u0646 \u064a\u0639\u0632\u0632 \u0627\u0644\u062a\u0635\u0645\u064a\u0645 \u0627\u0644\u0645\u0646\u0647\u062c\u064a \u0648\u0627\u0644\u0636\u0648\u0627\u0628\u0637 \u0627\u0644\u0635\u0627\u0631\u0645\u0629 \u0644\u0644\u0639\u0645\u0644\u064a\u0627\u062a \u0628\u0634\u0643\u0644 \u0643\u0628\u064a\u0631 \u0645\u0646 \u062c\u0648\u062f\u0629 \u0627\u0644\u0645\u0646\u062a\u062c \u0627\u0644\u0625\u0644\u0643\u062a\u0631\u0648\u0646\u064a \u0628\u0634\u0643\u0644 \u0639\u0627\u0645.<\/p>\n\n\n\n<p><strong>\u0627\u0644\u0648\u062c\u0628\u0627\u062a \u0627\u0644\u0631\u0626\u064a\u0633\u064a\u0629<\/strong>:<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u064a\u062c\u0628 \u0623\u0646 \u062a\u062a\u0628\u0639 \u0641\u062a\u062d\u0627\u062a \u0627\u0644\u062a\u0631\u0643\u064a\u0628 \u0645\u0628\u062f\u0623 &#8220;3-2-1&amp;8221; \u0645\u0628\u062f\u0623 \u0627\u0644\u062a\u0631\u0643\u064a\u0628: \u062a\u0642\u064a\u064a\u062f \u062b\u0644\u0627\u062b \u062f\u0631\u062c\u0627\u062a \u0627\u0646\u062a\u0642\u0627\u0644\u064a\u0629 \u0648\u062f\u0631\u062c\u062a\u064a\u0646 \u062f\u0648\u0631\u0627\u0646\u064a\u062a\u064a\u0646 \u0645\u0646 \u0627\u0644\u062d\u0631\u064a\u0629.<\/li>\n\n\n\n<li>\u064a\u062c\u0628 \u0623\u0646 \u064a\u0631\u0627\u0639\u064a \u0627\u062e\u062a\u064a\u0627\u0631 \u0627\u0644\u0645\u0648\u0635\u0644 \u0627\u0644\u0639\u0648\u0627\u0645\u0644 \u0627\u0644\u0628\u064a\u0626\u064a\u0629: \u062f\u0631\u062c\u0629 \u0627\u0644\u062d\u0631\u0627\u0631\u0629 \u0648\u0627\u0644\u0631\u0637\u0648\u0628\u0629 \u0648\u0627\u0644\u0627\u0647\u062a\u0632\u0627\u0632 \u0648\u0627\u0644\u063a\u0627\u0632\u0627\u062a \u0627\u0644\u0645\u0633\u0628\u0628\u0629 \u0644\u0644\u062a\u0622\u0643\u0644.<\/li>\n\n\n\n<li>\u064a\u062c\u0628 \u0623\u0646 \u062a\u0633\u062a\u062e\u062f\u0645 \u062a\u062e\u0637\u064a\u0637\u0627\u062a \u0627\u0644\u0623\u0635\u0627\u0628\u0639 \u0627\u0644\u0630\u0647\u0628\u064a\u0629 \u0623\u0637\u0648\u0627\u0644\u0627\u064b \u0645\u062a\u062f\u0627\u062e\u0644\u0629 &#8220;\u0645\u062a\u062f\u0627\u062e\u0644\u0629&#8221; \u0644\u0636\u0645\u0627\u0646 \u062a\u0633\u0644\u0633\u0644 \u0627\u0644\u0637\u0627\u0642\u0629 \u0627\u0644\u0645\u0646\u0627\u0633\u0628.<\/li>\n\n\n\n<li>\u0628\u0627\u0644\u0646\u0633\u0628\u0629 \u0644\u0644\u0648\u0635\u0644\u0627\u062a \u0639\u0627\u0644\u064a\u0629 \u0627\u0644\u062a\u0631\u062f\u062f\u060c \u064a\u0641\u0636\u0644 \u0627\u0644\u062a\u0648\u0635\u064a\u0644\u0627\u062a \u0630\u0627\u062a \u0627\u0644\u062a\u0631\u062f\u062f \u0627\u0644\u0639\u0627\u0644\u064a\u060c \u064a\u0641\u0636\u0644 \u0627\u0644\u062a\u0631\u0643\u064a\u0628 \u0628\u0627\u0644\u0636\u063a\u0637 \u0639\u0644\u0649 \u0627\u0644\u0648\u0635\u0644\u0627\u062a \u0627\u0644\u0645\u0644\u062d\u0648\u0645\u0629.<\/li>\n\n\n\n<li>\u0627\u0644\u0627\u062d\u062a\u0641\u0627\u0638 \u0628\u0633\u062c\u0644\u0627\u062a \u0639\u0645\u0631 \u0627\u0644\u0645\u0648\u0635\u0644\u0627\u062a \u0648\u062a\u0646\u0641\u064a\u0630 \u062c\u062f\u0627\u0648\u0644 \u0627\u0644\u0627\u0633\u062a\u0628\u062f\u0627\u0644 \u0627\u0644\u0648\u0642\u0627\u0626\u064a.<\/li>\n<\/ol>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Latest_Reading_Recommendations\"><\/span>\u0623\u062d\u062f\u062b \u062a\u0648\u0635\u064a\u0627\u062a \u0644\u0644\u0642\u0631\u0627\u0621\u0629<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n<ul class=\"wp-block-latest-posts__list wp-block-latest-posts\"><li><a class=\"wp-block-latest-posts__post-title\" href=\"https:\/\/topfastpcba.com\/ar\/turnkey-pcba-supplier\/\">\u0645\u0648\u0631\u062f \u062e\u062f\u0645\u0627\u062a \u062a\u062c\u0645\u064a\u0639 \u0627\u0644\u0644\u0648\u062d\u0627\u062a \u0627\u0644\u0625\u0644\u0643\u062a\u0631\u0648\u0646\u064a\u0629 (PCBA) \u0627\u0644\u062c\u0627\u0647\u0632\u0629: \u0643\u064a\u0641\u064a\u0629 \u0627\u0644\u062d\u0635\u0648\u0644 \u0639\u0644\u0649 \u062e\u062f\u0645\u0627\u062a \u062a\u062c\u0645\u064a\u0639 \u0643\u0627\u0645\u0644\u0629<\/a><\/li>\n<li><a class=\"wp-block-latest-posts__post-title\" href=\"https:\/\/topfastpcba.com\/ar\/why-choose-pcba-supplier\/\">\u0644\u0645\u0627\u0630\u0627 \u064a\u062c\u0628 \u0627\u062e\u062a\u064a\u0627\u0631 \u0645\u0648\u0631\u062f \u0645\u0648\u062b\u0648\u0642 \u0628\u0647 \u0644\u062a\u0635\u0646\u064a\u0639 \u0644\u0648\u062d\u0627\u062a \u0627\u0644\u062f\u0648\u0627\u0626\u0631 \u0627\u0644\u0645\u0637\u0628\u0648\u0639\u0629 (PCBA) \u0644\u0645\u0634\u0627\u0631\u064a\u0639\u0643 \u0627\u0644\u0625\u0644\u0643\u062a\u0631\u0648\u0646\u064a\u0629<\/a><\/li>\n<li><a class=\"wp-block-latest-posts__post-title\" href=\"https:\/\/topfastpcba.com\/ar\/which-pcb-company-specializes-in-pcb-assembly\/\">\u0645\u0627 \u0647\u064a \u0634\u0631\u0643\u0629 \u062a\u0635\u0646\u064a\u0639 \u0644\u0648\u062d\u0627\u062a \u0627\u0644\u062f\u0648\u0627\u0626\u0631 \u0627\u0644\u0645\u0637\u0628\u0648\u0639\u0629 (PCB) \u0627\u0644\u0645\u062a\u062e\u0635\u0635\u0629 \u0641\u064a \u062a\u062c\u0645\u064a\u0639 \u0644\u0648\u062d\u0627\u062a \u0627\u0644\u062f\u0648\u0627\u0626\u0631 \u0627\u0644\u0645\u0637\u0628\u0648\u0639\u0629\u061f \u0646\u0638\u0631\u0629 \u0645\u062a\u0639\u0645\u0642\u0629 \u0639\u0644\u0649 \u0627\u0644\u062a\u0635\u0646\u064a\u0639 \u0639\u0627\u0644\u064a \u0627\u0644\u062f\u0642\u0629<\/a><\/li>\n<li><a class=\"wp-block-latest-posts__post-title\" href=\"https:\/\/topfastpcba.com\/ar\/topfast-expoelectronica-moscow-2026-booth-c3111\/\">Let\u2019s Connect in Moscow: Topfast Invites You to ExpoElectronica 2026<\/a><\/li>\n<li><a class=\"wp-block-latest-posts__post-title\" href=\"https:\/\/topfastpcba.com\/ar\/power-electronics-pcb-design-ev\/\">\u062a\u0635\u0645\u064a\u0645 \u0644\u0648\u062d\u0627\u062a \u0627\u0644\u062f\u0648\u0627\u0626\u0631 \u0627\u0644\u0645\u0637\u0628\u0648\u0639\u0629 \u0627\u0644\u0625\u0644\u0643\u062a\u0631\u0648\u0646\u064a\u0629 \u0644\u0644\u0633\u064a\u0627\u0631\u0627\u062a \u0627\u0644\u0643\u0647\u0631\u0628\u0627\u0626\u064a\u0629<\/a><\/li>\n<\/ul>","protected":false},"excerpt":{"rendered":"<p>\u064a\u0642\u062f\u0645 \u062a\u0635\u0645\u064a\u0645 \u062b\u0642\u0648\u0628 \u062a\u062d\u062f\u064a\u062f \u0645\u0648\u0636\u0639 \u062b\u0646\u0627\u0626\u064a \u0627\u0644\u0641\u064a\u0646\u064a\u0644 \u0645\u062a\u0639\u062f\u062f \u0627\u0644\u0643\u0644\u0648\u0631 \u0648\u062a\u0631\u0643\u064a\u0628\u0647\u0627\u060c \u0648\u064a\u062d\u0644\u0644 \u0627\u0644\u062a\u0641\u0627\u0635\u064a\u0644 \u0627\u0644\u0641\u0646\u064a\u0629 \u0644\u062a\u0648\u0635\u064a\u0644\u0627\u062a \u0627\u0644\u0645\u0633\u0627\u0645\u064a\u0631 \u0648\u0627\u0644\u0645\u0642\u0627\u0628\u0633\u060c \u0648\u064a\u0642\u062f\u0645 \u062d\u0644\u0648\u0644\u0627\u064b \u0627\u062d\u062a\u0631\u0627\u0641\u064a\u0629 \u0644\u062e\u0645\u0633 \u0645\u0634\u0627\u0643\u0644 \u062a\u0648\u0635\u064a\u0644 \u0634\u0627\u0626\u0639\u0629\u060c \u0648\u064a\u0644\u062e\u0635 \u0623\u0641\u0636\u0644 \u0627\u0644\u0645\u0645\u0627\u0631\u0633\u0627\u062a \u0641\u064a \u062a\u0635\u0645\u064a\u0645 \u062a\u0648\u0635\u064a\u0644\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\u062a\u062d\u0633\u064a\u0646 \u0645\u0648\u062b\u0648\u0642\u064a\u0629 \u0627\u0644\u0645\u0646\u062a\u062c.<\/p>","protected":false},"author":2,"featured_media":6747,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[10],"tags":[],"class_list":["post-6821","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-industry"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v24.6 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>PCB Positioning Hole Mounting - Topfastpcba<\/title>\n<meta name=\"description\" content=\"Best practices for PCB location hole mounting and connection methods, including detailed design steps, solutions to the top 5 common problems, and professional maintenance advice to improve the reliability of electronic products\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" 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