Sabis na Masana'antar Lantarki ta Tasha ɗaya, yana taimaka muku samun samfuran lantarki cikin sauƙi daga PCB & PCBA

Cikakken tsarin samarwa PCBA

Cikakken tsarin samar da PCBA (gami da tsarin SMT), shigo ku gani!

01"Tsarin Tsarin SMT"

Sake walda yana nufin tsari mai laushi mai laushi wanda ke gane haɗin injina da na lantarki tsakanin ƙarshen walda na kayan da aka haɗa saman ko fil da kushin PCB ta narkar da manna solder da aka riga aka buga akan PCB kushin. Tsarin gudana shine: bugu mai siyar da manna - faci - walƙiya mai sake kwarara, kamar yadda aka nuna a cikin adadi na ƙasa.

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1. Solder manna bugu

Manufar ita ce a yi amfani da adadin da ya dace na man siyar a ko'ina akan kushin saida na PCB don tabbatar da cewa abubuwan facin da kushin solder na PCB sun sake yin walda don cimma kyakkyawar haɗin lantarki kuma suna da isasshen ƙarfin injina. Yadda za a tabbatar da cewa an yi amfani da manna mai siyar a ko'ina a kowane kushin? Muna buƙatar yin ragar karfe. Ana lulluɓe da manna mai a ko'ina akan kowane kushin siyar a ƙarƙashin aikin mai gogewa ta cikin ramukan da suka dace a cikin ragar ƙarfe. Ana nuna misalan zanen raga na karfe a wannan adadi mai zuwa.

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Ana nuna zanen bugu na solder a cikin adadi mai zuwa.

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Ana nuna PCB mai siyar da aka buga a cikin wannan adadi mai zuwa.

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2. Faci

Wannan tsari shine a yi amfani da na'ura mai hawa don daidaita daidaitattun abubuwan haɗin guntu zuwa daidaitaccen matsayi akan saman PCB na ƙwanƙolin solder da aka buga ko manne.

Ana iya raba injunan SMT zuwa nau'i biyu bisa ga ayyukansu:

Na'ura mai sauri: dace da hawan ƙananan ƙananan ƙananan abubuwa: irin su capacitors, resistors, da dai sauransu, kuma zai iya hawa wasu sassan IC, amma daidaito yana da iyaka.

B Universal Machine: dace da hawan kishiyar jinsi ko madaidaicin abubuwan da aka gyara: kamar QFP, BGA, SOT, SOP, PLCC da sauransu.

Ana nuna zane-zanen kayan aiki na injin SMT a cikin adadi mai zuwa.

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Ana nuna PCB bayan facin a cikin adadi mai zuwa.

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3. Sake walda

Reflow Soldring shine ainihin fassarar Ingilishi Reflow soldring, wanda shine haɗin injiniya da lantarki tsakanin abubuwan haɗin saman ƙasa da PCB solder pad ta narkar da solder manna a kan kewaye allon solder kushin, forming lantarki kewaye.

Sake walda wani mahimmin tsari a cikin samar da SMT, kuma madaidaicin yanayin yanayin zafin jiki shine mabuɗin don tabbatar da ingancin walda mai sake gudana. Wuraren zafin jiki mara kyau zai haifar da lahani na walda na PCB kamar rashin cika walda, walda mai kama-da-wane, warping na bangaren, da ƙwallayen solder masu yawa, waɗanda zasu shafi ingancin samfur.

An nuna zanen kayan aiki na tanderun walda na sake kwarara a cikin adadi mai zuwa.

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Bayan reflow tanderu, PCB da aka kammala ta hanyar walda reflow yana nunawa a cikin hoton da ke ƙasa.