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Cov PCB sib dhos: zam kom sov-luv lossis ib nrab rov khiav

May 06, 2020

Gordon McAlpine, yog tus thawj tswj saib xyuas khoom lag luam ntawm PCB los ua ke tuam txhab Dynamic EMS, tau xa cov lus qhia txog yuav ua li cas kom tsis txhob kub kub luv, tseem hu ua ib nrab rov hloov, qhov twg ib qho kev sib txuas tau ua kom sov nyob ze rau qhov kub thiab txias ua rau cov pob kws ciam.


Dynamic-EMS-adjacent-component

Qhov txaus ntshai yog tias cov khoom siv tuaj yeem ua ib feem rov ntws, ua rau lawv lub cev tsis muaj zog tiv thaiv, thaum cov neeg nyob sib ze raug rov ua haujlwm lossis ntxiv tom qab rov ntws.

Dynamic-EMS-hot-air-reworkLub ntsej muag roj kub tuaj yeem yog cov neeg ua txhaum phem tshaj plaws rau cov rov ua haujlwm ib nrab, nws hais tias, qhov twg cov tshav kub cuam tshuam los ntawm cov roj kub tuaj yeem npog ntau millimeters nyob ib puag ncig lub hauv paus kub, qhov cua sov cov khoom sib txuas (daim duab sab laug)

Dynamic-EMS-course-grain-solderQhov teeb meem yog thatgrain ciam tsis muaj zog tshwm sim, ua rau cov muag ntau dua ua rau tsis muaj zog thiab tsis muaj zog, thaum muaj cua sov tuaj nrogintw feem peb ntawm cov hluav taws kub ntawm yaj cov ntsiab lus solder.

Thaum pib sib dhos, qhov nyuaj-rau-muag cov khoom tuaj yeem tuaj yeem ua lwm qhov teeb meem, qhov chaw nyob ntev (cua sov) lub sijhawm tuaj yeem cuam tshuam cov khoom seem nyob rau sab nraud ntawm pawg thawj coj thiab.

McAlpine pom zoo tias cov kws tshaj lij tsis txhob muab cov khoom sib xyaw rau hauv qab lossis ib qho ze rau qhov nyuaj ntawm thawj qhov chaw, thiab pom zoo kom rov tsim dua yog tias qhov no tau tshwm sim dhau los.

"Peb muaj qhov teeb meem nyuaj uas lub roj teeb davhlau ya nyob twg yuav tsum tau xuas tes ua thiab xuas tes ua tom qab rov ntws," nws hais. "Muaj 0201 diode ze rau los ntawm [daim duab saum toj kawg nkaus], nrog ib kab txuas nrog lub davhlau ya nyob twg thiab cov pawm thiab cov khoom siv sib txuas nrog rau qhov chaw nres tsheb roj teeb kom ua soldered. Txhawm rau ua rau qee qhov nyuaj me ntsis, qhov cuab yeej raug rhuav tshem hauv qab, nws yooj yim pom tias lub tshuab rov ua haujlwm ntawm lub diode tau raug cuam tshuam los ntawm thaj chaw tshav kub, uas ua rau qhov no yooj yim kom khob ntawm lub rooj tsavxwm. "

Muaj peev xwm daws tau thov Dynamic nyob rau:

  • Kho dua tshiab kom tshem lub cuab yeej tawm ntawm thaj chaw muaj cua sov

  • Siv lub tshuab hluav taws xob qis melting indium solder

  • Muag lub 0201 diode tom qab muag tes lub davhlau ya nyob twg

  • Ua hauj soldering

  • Uantej lub rooj tsavxwm uantej soldering

  • Muaj kua nplaum


"Tam sim no peb tab tom ua haujlwm los ntawm cov kev xaiv ntau yam nrog tus neeg siv nrog lub hom phiaj xa hluav taws xob PCB kom txo tau qhov cuam tshuam rau thaj tsam kub-cuam tshuam," saidMcAlpine.

Gordon McAlpine yog tus thawj tswj ntau lawm ntawmDynamic EMSntawmDunfermline.