Electronics Manufacturing Matanho ePCBA Circuit Board

PCBA

Ngatinzwisisei maitiro ekugadzira zvemagetsi ePCBA mune zvakadzama:

● Solder Paste Stenciling

Chokutanga uye chikuru, thePCBA kambaniinoshandisa solder paste kune yakadhindwa redunhu bhodhi.Mukuita uku, iwe unofanirwa kuisa solder paste pane zvimwe zvikamu zvebhodhi.Chikamu ichocho chine zvikamu zvakasiyana.

Iyo solder paste inoumbwa neakasiyana mabhora esimbi.Uye, chinhu chinonyanya kushandiswa mu solder paste itin kureva 96.5%.Zvimwe zvinhu zve solder paste isirivha nemhangura ine 3% uye 0.5% yakawanda zvichiteerana.

Mugadziri anosanganisa paste ane flux.Nekuti flux ikemikari inobatsira solder mukunyunguduka uye kubatana kune bhodhi pamusoro.Iwe unofanirwa kuisa solder paste panzvimbo chaiyo uye muhuwandu hwakakodzera.Mugadziri anoshandisa akasiyana maapplication ekuparadzira paste munzvimbo dzakatarisirwa.

● Sarudza uye Nzvimbo

Mushure mekupedzwa kwakabudirira kwenhanho yekutanga, muchina wekutora nenzvimbo unofanirwa kuita rinotevera basa.Mukuita uku, vagadziri vanoisa akasiyana emagetsi zvikamu uye maSMD pabhodhi redunhu.Mazuva ano, maSMDs anozvidavirira kune zvisiri zvekubatanidza zvikamu zvebhodhi.Iwe unozodzidza kutengesa aya maSMD pabhodhi mumatanho ari kuuya.

Iwe unogona kushandisa angave echinyakare kana otomatiki nzira kusarudza uye kuisa zvinhu zvemagetsi pamabhodhi.Munzira yechinyakare, vagadziri vanoshandisa peya yematinji kuisa zvikamu pabhodhi.Kupesana neizvi, michina inoisa zvikamu panzvimbo chaiyo mune otomatiki nzira.

● Reflow Soldering

Mushure mekuisa zvikamu munzvimbo yavo chaiyo, vagadziri vanosimbisa solder paste.Vanogona kuita basa iri kuburikidza ne "reflow" maitiro.Mukuita uku, timu yekugadzira inotumira mabhodhi kune bhandi rekutakura.

timu yekugadzira inotumira mabhodhi kune bhandi rekutakura.

Bhandi rekutakura rinofanira kupfuura kubva muhovhoni huru yekuyerera.Uye, reflow oven inenge yakafanana nehovhoni yepizza.Ovheni ine ma heather maviri ane tembiricha dzakasiyana.Zvadaro, heather inopisa mapuranga patembiricha dzakasiyana kusvika 250 ℃-270 ℃.Tembiricha iyi inoshandura solder kuita solder paste.

Zvakafanana nemaheater, bhandi rekutakura rinobva rapfuura nemunhevedzano yezvinotonhorera.Izvo zvinotonhorera zvinoomesa paste nenzira inodzorwa.Mushure mekuita uku, zvinhu zvose zvemagetsi zvinogara pabhodhi zvakasimba.

●Kuongorora uye Kudzora Kwehutano

Munguva yekudzoreredza maitiro, mamwe mabhodhi anogona kuuya asina kubatanidzwa kana kupfupika.Nemashoko akareruka, panogona kuitika matambudziko ekubatanidza panguva yekutanga nhanho.

Saka kune nzira dzakasiyana dzekutarisa bhodhi redunhu remisalignments uye kukanganisa.Heano dzimwe nzira dzinoshamisa dzekuyedza:

●Kutarisa Nemaoko

Kunyangwe munguva yekugadzira otomatiki uye kuyedzwa, kutarisa kwemawoko kuchiri kukosha.Nekudaro, kutarisa kwemanyorero kunoshanda zvakanyanya kune diki PCB PCBA.Naizvozvo, iyi nzira yekuongorora inova isina kururama uye isingashande kune yakakura PCBA redunhu bhodhi.

Kunze kwezvo, kutarisa zvikamu zvemugodhi kwenguva yakareba zvinotsamwisa uye kuneta kwemaziso.Saka zvinogona kutungamirira kukuongorora kusina kururama.

● Otomatiki Optical Inspection

Kune yakakura batch yePCB PCBA, nzira iyi ndeimwe yeakanakisa sarudzo dzekuyedzwa.Nenzira iyi, Muchina weAOI unoongorora maPCB uchishandisa makamera akawanda ane simba guru.

Aya makamera anovhara makona ese kuti aongorore akasiyana solder kubatanidza.Michina yeAOI inoziva simba rekubatanidza nechiedza chinotaridza kubva kune zvakabatanidzwa nemasoja.Michina yeAOI inogona kuyedza mazana emabhodhi mumaawa mashoma.

● X-Ray Inspection

Ndiyo imwe nzira yekuongorora bhodhi.Iyi nzira haina kunyanya kuwanda asi inoshanda kune yakaoma kana akaturikidzana edunhu mabhodhi.Iyo X-ray inobatsira vanogadzira kuongorora yakaderera-layer matambudziko.

Uchishandisa nzira dzambotaurwa, kana dambudziko riripo, timu yekugadzira inotumira iyo kumashure kuti ishandiswezve kana kuraswa.

Kana iyo yekuongorora ikasawana kukanganisa, nhanho inotevera ndeyekutarisa kushanda kwayo.Zvinoreva kuti vanoedza vanozotarisa kuti kushanda kwayo kunoenderana nezvinodiwa here kana kwete.Saka bhodhi rinogona kuda calibration kuti riyedze kushanda kwayo.

●Kuiswa kweKuburikidza neHole Component

Izvo zvikamu zvemagetsi zvinosiyana kubva pabhodhi kuenda kune bhodhi zvinoenderana nerudzi rwePCBA.Semuenzaniso, mabhodhi anogona kunge aine marudzi akasiyana ezvikamu zvePTH.

Plated kubudikidza-maburi marudzi akasiyana egomba mumabhodhi edunhu.Nekushandisa maburi aya, zvikamu pamapuranga edunhu zvinopfuudza chiratidzo kune uye kubva kune akasiyana akaturikidzana.PTH zvikamu zvinoda mhando dzakakosha dzenzira dzekutengesa pane kushandisa chete paste.

● Manual Soldering

Iyi nzira iri nyore uye yakatwasuka.Pachiteshi chimwe chete, munhu mumwechete anogona nyore kuisa chimwe chikamu muPTH yakakodzera.Zvadaro, munhu wacho achapfuudza bhodhi iroro kuenda kuchiteshi chinotevera.Pachave nenhepfenyuro dzakawanda.Pachiteshi chega chega, munhu anoisa chikamu chitsva.

Kutenderera kunoenderera mberi kusvika zvese zvikamu zvaiswa.Saka maitiro aya anogona kureba zvinoenderana nehuwandu hwePTH zvikamu.

●Wave Soldering

Iyo inzira otomatiki ye soldering.Zvisinei, maitiro ekutengesa akasiyana zvachose mune iyi nzira.Nenzira iyi, mapuranga anopfuura muchoto mushure mekuisa bhandi rekutakura.Ovheni ine solder yakanyungudutswa.Uye, solder yakaumbwa inosuka bhodhi redunhu.Zvisinei, rudzi urwu rwekutengesa haruitike kune maviri-sided circuit board.

●Kuedza uye Kuongorora Kwekupedzisira

Mushure mekupedzwa kweiyo solder process, maPCBA anopfuura nepakati pekupedzisira kuongororwa.Panguva ipi neipi, vagadziri vanogona kupfuudza mabhodhi edunhu kubva pamatanho apfuura ekuiswa kwezvimwe zvikamu.

Kuongorora kwekushanda ndiro izwi rinonyanya kushandiswa pakuongorora kwekupedzisira.Munhanho iyi, vaedzi vanoisa mabhodhi edunhu kuburikidza nematanho avo.Kunze kwezvo, vanoedza vanoedza mabhodhi pasi pemamiriro akafanana ayo dunhu richashanda.


Nguva yekutumira: Jul-14-2020