{"id":473,"date":"2020-11-11T08:42:49","date_gmt":"2020-11-11T00:42:49","guid":{"rendered":"https:\/\/pcb.seowaimao.com\/?p=473"},"modified":"2021-09-09T11:05:53","modified_gmt":"2021-09-09T03:05:53","slug":"what-are-the-reliability-tests-in-the-pcb-assembly-manufacturing","status":"publish","type":"post","link":"https:\/\/uetpcb.com\/nl\/what-are-the-reliability-tests-in-the-pcb-assembly-manufacturing\/","title":{"rendered":"What are the Reliability Tests in the PCB Assembly Manufacturing?"},"content":{"rendered":"<p><strong>What are the reliability tests in the PCB assembly manufacturing?<\/strong><\/p>\n<p><strong>\u00a0<\/strong><\/p>\n<p>De productie van PCBA\u2019s is geenszins een kwestie van het simpelweg toevoegen van materiaalinkoop aan SMT-verwerking. Elk probleem met welk materiaal dan ook heeft invloed op het eindresultaat van de PCBA-printplaat, waardoor we moeten beschikken over voldoende vaardigheden op het gebied van materiaalkwaliteitscontrole, leveranciersbeheer, technische analyse en betrouwbaarheidstests.<\/p>\n<p>Reliability testing is often ignored by PCB assembly manufacturers, who often believe that as long as the PCBA board is tested without problems, it will be accepted by end customers. However, many PCBA boards have fatal defects such as short service life and unstable use in terminal products, which are caused by the failure of PCBA factories to strictly execute reliability tests.<\/p>\n\t<div class=\"img has-hover x md-x lg-x y md-y lg-y\" id=\"image_1427791062\">\n\t\t\t\t\t\t\t\t<div class=\"img-inner dark\" >\n\t\t\t<img decoding=\"async\" width=\"554\" height=\"301\" src=\"https:\/\/uetpcb.com\/wp-content\/uploads\/2020\/11\/pcb-test.png\" class=\"attachment-large size-large\" alt=\"Basics Of Printed Circuit Boards\" srcset=\"https:\/\/uetpcb.com\/wp-content\/uploads\/2020\/11\/pcb-test.png 554w, https:\/\/uetpcb.com\/wp-content\/uploads\/2020\/11\/pcb-test-300x163.png 300w\" sizes=\"(max-width: 554px) 100vw, 554px\" \/>\t\t\t\t\t\t\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\n<style>\n#image_1427791062 {\n  width: 72%;\n}\n<\/style>\n\t<\/div>\n\t\n<p>How to do the reliability test of PCBA board?<\/p>\n<p>1: Functional Testing<\/p>\n<p>De functionele test wordt uitgevoerd als laatste stap in het productieproces van PCBA\u2019s. Hiermee wordt bepaald of voltooide PCBA-printplaten al dan niet voldoen aan de eisen en wordt gecontroleerd of de hardware van het product geen defecten vertoont voordat deze wordt verzonden. Hiermee kan de functionaliteit van 50% tot 100% van de te verzenden producten worden gecontroleerd, waardoor de tijd en moeite die de OEM moet besteden aan het controleren en opsporen van fouten tot een minimum wordt beperkt.<\/p>\n<p>2: Aging Testing<\/p>\n<p>De PCBA-printplaat, waarvan de testfunctie in orde was, werd blootgesteld aan specifieke temperatuur- en vochtigheidsomstandigheden, waarna herhaaldelijk in- en uitschakelen, gesimuleerde functiewerking, belastingstests enzovoort werden uitgevoerd. De stabiliteit van de PCBA-printplaat werd getest door middel van een ononderbroken bedrijf van 24 tot 72 uur. De verouderingstest neemt veel tijd in beslag, waardoor het onmogelijk is om deze op grote schaal uit te voeren. In de praktijk wordt bij de verouderingstest slechts een steekproef genomen, en kan het totale rendement van deze productbatch worden bepaald aan de hand van het slagingspercentage van de steekproef.<\/p>\n<p>3: Vibration Testing<\/p>\n<p>Tijdens de levering aan klanten vertonen veel PCBA-printplaten vaak problemen die worden veroorzaakt door trillingen tijdens het transport, zoals losgeraakte componenten en scheurtjes in de soldeerpunten. Door middel van de trillingstest kan het effect van trillingen tijdens het transport effectief in het laboratorium worden gesimuleerd, waardoor de verborgen risico's in het soldeerproces van de PCB-assemblage geleidelijk aan het licht kunnen worden gebracht. Dit om slechte soldeerverbindingen in series van PCBA-printplaten te voorkomen en de algehele opbrengst van de levering te verbeteren.<\/p>\n<p>4: Surge Testing<\/p>\n<p>In the PCB assembly process, it is often OK to work under normal voltage, but a transient failure occurs in a certain power surge. Many circuit designs are not perfect. They often fail to take into account the fatal impact of instantaneous voltage or current shock on the whole circuit, which requires us to conduct the surge testing before the mass production of PCBA.<\/p>\n<p>5. Packaging Testing<\/p>\n<p>Deze test wordt vaak over het hoofd gezien, maar kan tot een merkwaardig probleem leiden: we hebben veel moeite gedaan om de PCBA-printplaten perfect te maken, maar hebben het in de laatste fase van de verpakking en het transport verprutst. Daarom moet de fabriek de verpakkingsvorm van de PCBA-printplaat nabootsen om een passende valtest uit te voeren.<\/p>\n<p>The reliability testing of PCBA board are not limited to the above several testing. Each PCBA manufacturers can discuss with the customer to decide the specific reliability test plan according to the actual situation, in order to provide the higher quality manufacturing.<\/p>","protected":false},"excerpt":{"rendered":"<p>What are the reliability tests in the PCB assembly manufacturing? \u00a0 PCBA manufacturing is by no means a combination of adding material procurement on the basis of SMT processing. Any problem of any material will affect the overall result of PCBA board, which requires us to have sufficient material detection ability, supplier management ability, technical&#8230;<\/p>","protected":false},"author":6,"featured_media":476,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-473","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-uncategorized"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.6 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>What are the reliability tests in the PCB assembly manufacturing?<\/title>\n<meta name=\"description\" content=\"PCBA manufacturing is by no means a combination of adding material procurement on the basis of SMT processing Any problem of any material will affect the overall result of PCBA board, which requires us to have sufficient 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