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Mene ne tsari na PCBA?

November 20, 2024
1.Theungiyar SMT Profile tare da infrared
  • SMT (Fasaha ta Dutsen-Dutsen), shine mafi mashahuri fasahar mashin, shine mafi shahararren fasaha da tsari a cikin babban masana'antar lantarki. Yana taka muhimmiyar rawa a cikin PCB (wanda aka buga da'irar kwamitin majalisar). A cikin kalmomi masu sauƙi, PCBA ne wani kayan aikin da ke shigar da abubuwan haɗin lantarki da aka buga a cikin jirgi mai kewaye (PCB), kuma smt shine tsarin gudanarwa don gane wannan shigarwar.
2. Ze babban tsari na SMT a PCBA

Mai buga takardu

  • Wannan shine matakin farko a cikin tsari na SMT kuma yana kama da gina "Gidaje" don PCBA. Da farko, an gyara PCB a kan aikin buga takardu. Bayan haka, mai sayar da hayaƙi (manna na alloy foda da annoba) ana buga shi ta hanyar ƙarfe na ƙarfe (takardar bakin ciki tare da takamaiman tsarin buɗe ido) zuwa PCB inda aka buƙaci a sayar da su. Wannan tsari yana buƙatar madaidaicin ikon adadin mai daskararru da kuma bugun buga, da yawa kamar yadda mai zane yake amfani da fenti zuwa daidai. Idan adadin mai sayar da kayan manna ya yi girma sosai, ana iya samun matsala kamar gajerun da'ira a cikin tsarin walding na baya; Mafi ƙarancin manna na solta na iya haifar da rauni ga sojoji.

Kayan haɗin hawa

  • Bayan an kammala buga bugun kwamfuta, yana shiga cikin bangaren bangarori mai ban sha'awa, wanda shine matakin inda PCBA ya fara "ƙara bulo da turmi". Dutsen Dutsen, wanda yake kamar Super M "Elf", na iya fitar da abubuwan haɗin hawa daban-daban (SMD) daga kayan aikin ko kayan duniya tare da daidaito, da kuma hawa daidai zuwa wurin siyarwa da aka buga a kan PCB Past . Waɗannan abubuwan haɗin daban daban suna da girma a cikin ƙananan kwakwalwan kwamfuta don manyan masu ɗaukar nauyi, masu tsayayya, da sauransu. Injin Wurin yana aiki tare da matsanancin daidaito, tabbatar da cewa an sanya kowane bangare daidai inda ya kamata, tare da mafi ƙarancin gefe na kuskure daidai cikin tsarin gini.

Scarling Bayarwa

  • Lokacin da aka sanya kayan a kan PCB daidai, zai kawo asali cikin "Welding Gwaji" - Bayyana Welding. Wannan tsari kamar "babban yin baftisma zazzabi ne" don PCBA, saboda sayar da fil na kayan haɗin da kuma kulawar akan PCB da tabbaci tare. A cikin welder welder, zazzabi zai kara a hankali kuma ya ragu bisa ga ajalin saiti. Lokacin da zazzabi ya hau zuwa melting nuni na mai sayar da mai siyarwa, manna ma zai zama ruwa, zai cika rata a tsakanin fil na bangaren da kuma kashin, zai samar da kyakkyawar haɗin lantarki. Lokacin da zazzabi ya sauka, mai sayar da mai siyarwa ne a kan PCB, kamar sassan ƙarfe bayan hawan zafi ya gamsu, da aka haɗa sosai kuma da ƙarfi.
IR touch PCBA, IR touch LED strip, IR touch transmitter and receiver strip touch LED4

3.Section da gyara

  • Bayan farkon aiwatarwa, pcba an kirkiro shi, amma ba za a iya "ɗauka da sauƙi". Wannan yana biye da tsauraran gwaji, wanda yake kamar "cikakken gwajin jiki" don PCBA. Binciken Hellocyent (AOI) na iya bincika ko matsayin motsi na kayan haɗin daidai ne, ko akwai abubuwan da aka rasa, ko kuma mai sayar da kayan kwalliya yana da kyau, da sauran matsaloli masu yiwuwa. Idan an samo fitaccen pcba, yana buƙatar gyara. Gyara kamar "ciring" mara lafiya PCBA. Masu fasaha za su yi amfani da kayan aiki na musamman da kayan aiki don gyara sassan da ba su dace ba, don tabbatar da cewa kowane PCBA zai iya haɗuwa da mahimmin haɗin gwiwar kafin ta iya zuwa hanyar samarwa na gaba ko a kawo shi Abokin ciniki.

4.Ana duka , fasahar SMT wani tabbatacce ne kuma hadaddun tsarin a tsarin samarwa na PCBA. Daga gidauniyar sarrafa mai siyarwa, zuwa ingantaccen shimfidar wuri mai hawa, zuwa ga mai gano karshe da tallafi na karshe, kowane mahaɗin yana da alaƙa da kuma shiga tsakani. Ainihin aiwatar da ingantaccen haɗin kowane mahaɗin na iya tabbatar da ingancin kayan aikin lantarki don aiki, kwanciyar hankali da aminci, kuma ya sa m tushe don haihuwar samfuran lantarki mai yawa.

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