High-quality PCB Cheebtsam (PCBA) tau dhau los ua qhov tseem ceeb hauv kev lag luam hluav taws xob. PCB los ua ke ua raws li kev koom ua ke rau ntau yam khoom siv hluav taws xob. Yog tias PCB tivthaiv cov chaw tsim khoom tsis tuaj yeem ua haujlwm vim yog qhov yuam kev ntau lawm, kev ua haujlwm ntawm ntau yam khoom siv hluav taws xob yuav raug hem. Txhawm rau zam kev pheej hmoo, PCBS thiab cov tuam txhab sib dhos tam sim no ua ntau yam kev tshuaj xyuas ntawm PCBas ntawm cov txheej txheem tsim khoom sib txawv. Blog tham txog ntau yam txheej txheem tshuaj PCBA thiab hom kev tsis xws uas lawv txheeb xyuas.

Kev kuaj xyuas PCBA

Niaj hnub no, vim muaj qhov nyuaj ntxiv ntawm cov ntawv luam tawm Circuit Circuit board, kev txheeb xyuas cov khoom lag luam tsis xws luag yog qhov nyuaj. Ntau zaus, PCBS yuav muaj qhov tsis xws luag xws li qhib thiab luv Circuit Court, tsis ncaj ncees lawm orientation, inconsistent welds, misaligned Cheebtsam, incorrectly muab Cheebtsam, tsis-hluav taws xob Cheebtsam, tsis muaj hluav taws xob Cheebtsam, thiab lwm yam. Txhawm rau zam txhua qhov xwm txheej no, ua kom tiav PCB cov khoom sib dhos tsim khoom siv cov txheej txheem tshuaj xyuas hauv qab no.

Tag nrho cov txheej txheem tau hais los saum toj no ua kom muaj kev tshuaj xyuas qhov tseeb ntawm cov khoom siv hluav taws xob PCB thiab pab ua kom zoo ntawm PCB cov khoom ua ntej lawv tawm hauv lub hoobkas. Yog tias koj tab tom txiav txim siab PCB sib dhos rau koj qhov project tom ntej, nco ntsoov tau txais cov peev txheej los ntawm cov kev pabcuam PCB sib dhos.

Thawj tsab xov xwm tshuaj xyuas

Kev tsim khoom zoo ib txwm nyob ntawm qhov ua haujlwm zoo ntawm SMT. Yog li ntawd, ua ntej pib kev sib sau ua ke thiab ntau lawm, PCB cov tuam txhab ua cov kev tshuaj xyuas thawj zaug kom ntseeg tau tias cov khoom siv SMT raug teeb tsa zoo. Qhov kev tshuaj xyuas no pab lawv tshawb xyuas lub tshuab nqus tsev nozzles thiab teeb meem kev sib raug zoo uas tuaj yeem zam tau hauv ntim ntau lawm.

Pom kev qhov

Kev tshuaj xyuas qhov muag lossis qhib – tshuaj xyuas qhov muag yog ib qho ntawm cov txheej txheem kev tshuaj xyuas feem ntau siv thaum sib dhos PCB. Raws li lub npe qhia, qhov no suav nrog kev tshuaj xyuas ntau yam khoom los ntawm lub qhov muag lossis lub tshuab ntes. Kev xaiv cov cuab yeej yuav nyob ntawm qhov chaw uas yuav tshuaj xyuas.Piv txwv li, qhov chaw ntawm cov khoom siv thiab luam ntawv ntawm cov tshuaj txhuam hniav yog pom ntawm qhov muag liab qab. Txawm li cas los xij, muab cov nyiaj tso rau hauv thiab cov tooj liab tuaj yeem pom nrog Z-qib ntsuas siab xwb. Hom kev tshuaj xyuas zoo tshaj plaws yog ua nyob rau ntawm qhov reflow weld ntawm lub prism, qhov twg lub teeb pom kev yog tsom los ntawm ntau lub kaum ntse ntse.

Tsis siv neeg tshuaj ntsuam xyuas

AOI yog qhov feem ntau tab sis kev tshuaj xyuas qhov pom zoo siv los txheeb xyuas qhov tsis xws luag. AOI feem ntau ua tiav siv ntau lub koob yees duab, lub teeb pom kev zoo, thiab lub tsev qiv ntawv ntawm cov leds programmed. AOI cov tshuab kuj tseem tuaj yeem nyem cov duab ntawm cov khoom sib txuas ntawm cov ces kaum sib txawv thiab ntu qaij. Ntau lub AOI tuaj yeem tshawb xyuas 30 txog 50 pob qij txha hauv ib ob, uas pab txo lub sijhawm xav tau los txheeb xyuas thiab kho qhov tsis xws luag. Niaj hnub no, cov tshuab no tau siv hauv txhua theem ntawm PCB los ua ke. Yav dhau los, AOI cov txheej txheem tsis suav tias yog qhov zoo tshaj plaws rau ntsuas ntsuas qhov sib koom ua ke qhov siab ntawm PCB. Txawm li cas los xij, nrog rau qhov tshwm sim ntawm 3D AOI systems, qhov no yog tam sim no ua tau. Tsis tas li ntawd, AOI systems yog qhov zoo tshaj plaws rau kev tshuaj xyuas qhov zoo li qub nrog qhov sib nrug ntawm 0.5 hli.

Xoo hluav taws xob kuaj

Vim tias lawv siv hauv cov khoom siv me me, qhov xav tau rau qhov ntom ntom ntom ntom ntom ntom ntom ntom thiab cov khoom siv sib dhos ua ke tau nce zuj zus. Kev siv thev naus laus zis saum npoo av (SMT) tau dhau los ua cov neeg nyiam ntawm cov tuam txhab tsim khoom PCB tab tom nrhiav tsim kom nruj thiab nyuaj PCBS siv BGA ntim khoom ntim. Txawm hais tias SMT pab txo qhov loj ntawm PCB pob, nws kuj qhia txog qee qhov nyuaj uas tsis pom ntawm qhov muag liab qab. Piv txwv li, pob me me pob (CSP) tsim nrog SMT tej zaum yuav muaj 15,000 qhov txuas txuas uas tsis yooj yim txheeb xyuas nrog qhov muag liab qab. Qhov no yog qhov chaw X-rays siv. Nws muaj peev xwm txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhim kho lub peev xwm ntawm lub cev X-ray nkag mus rau hauv cov pob chip, uas muaj kev sib txuas ntawm lub rooj sib dhos nruj nreem txuas thiab cov hlua khi hauv qab no.

Txhua yam ntawm cov txheej txheem tau tham los saum toj no txhawm rau tshuaj xyuas qhov tseeb ntawm cov khoom siv hluav taws xob thiab pab PCB cov neeg sib sau ua ke kom ntseeg tau tias lawv ua tau zoo ua ntej lawv tawm ntawm tsob ntoo. Yog tias koj tab tom txiav txim siab PCB Cheebtsam rau koj qhov project tom ntej, nco ntsoov yuav los ntawm cov chaw tsim khoom PCB ntseeg siab.