- Nei uchifanira kuita iyo Panel?
Mushure mePCB Dhizaini, SMT inofanira kuiswa pamusangano wekereke kuti ubatanidze zvikamu. Zvinoenderana nezvinodiwa zvekugadzirisa kwesangano, yega yega smt yekugadzirisa fekitari ichatsanangura kukura kwakakodzera kwedunhu redunhu. Semuenzaniso, kana saizi idiki kwazvo kana yakakura kwazvo, iyo fixture yekugadzirisa PCB iri parutsva gungano haigone kugadziriswa.
Saka kana saizi yePCB yedu idiki idiki pane saizi yakataurwa nefekitori? Izvi zvinoreva kuti tinodawo kubatana kwematunhu ematunhu, redunhu redunhu redunhu mune imwe piec.Both yekukwirisa - kumhanya mweku uye tsalering inogona kuvandudza zvakanyanya.
2.Panel mufananidzo
1) Saizi yehurukuro
A. Kuti ugondara iyo yekugadzirisa, veneer pamucheto weVOIDS kana maitiro anofanirwa kunge ari r camfering, anowanzo kutenderedzwa φ diameter 5, ndiro diki inogona kuchinjwa.
B. PCB ine single board saizi isingasviki 100mm ± 70mm ichaunganidzwa
2) isina kujairika chimiro chePCB
PCB ine chisingagadziriswe chimiro uye hapana pane 1 bhodhi inofanirwa kuwedzerwa nemitsetse yekushandisa. Kana paine gomba pane PCB yakakura kupfuura kana yakaenzana ne5mm Chikamu chakazadziswa uye chepakutanga PCB chikamu chinofanira kubatana neye akati wandei mapoinzi kune rumwe rutivi uye akabviswa mushure mekunge awaza
Kana kubatana pakati pechiitiko chekushandisa uye PCB iri v-yakavezwa groove, chinhambwe chiri pakati pechigadzirwa chemuviri uye pCB gomba remukati
3.The Panel
Kutungamirirwa kwePaneti kuchagadzirirwa kuenderana neyekupaza kwekutapurirana, kunze kwekuti huwandu hwacho husingakwanisi kuenzana ne "V-kutemwa"
Yebhodhi rakaringana-rakarukwa
4.Some zvinyorwa zvePCB Panel
Kazhinji, PCB kugadzirwa kunoita kuti anonzi analization kushanda kuti uwedzere kushanda kwekugadzira kweSMT kugadzirwa mutsara. Ndezvipi zvibodzwa zvinofanirwa kutariswa kuPCB musangano? Ndokumbira utarise izvo zviri pazasi:
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2) PCB PANEL Chimiro chinoda kufanana nepedyo sezvinobvira, inokurudzirwa kushandisa 2
3) Upamhi hwePanel saizi ≤260mm (Nokormm mutsara) kana ≤300mm (Fuji Line). Kana zvichidikanwa otomatiki kugovera, upamhi x125mm × 180mm yeiyo pani size.
4) Bhodhi rega rega diki muPCB Panel ichave neanokwana matatu maburi, 3≤ gomba Diameter
5) Iyo Center kure pakati pebhodhi diki inofanirwa kudzorwa pakati 75mm uye 145mm.
6) Paunenge uchiisa renongedzo yegomba rinoshamisa rekusimuka, zvakajairika kusiya nzvimbo yakavhurika yeWelding 1.5mm yakakura kutenderedza gomba rekushandisa.
7) Panofanirwa kunge pasina midziyo mikuru kana midziyo yokutanga padyo nepfungwa pakati peiyo yekunze yepuranga uye nepaneri yemukati, uye pakati pepaneri uye pani. Kunze kwezvo, panofanirwa kuve neanopfuura 0.5mm nzvimbo pakati pezvikamu uye pamucheto wePCB bhodhi kuti ive nechokwadi chekushanda kwakajairika kwechishandiso chekucheka.
8) Makomba mana ekushandisa ane gomba rekona ye4mm.
9) Muchisimba, QFP nekuparadzaniswa zvishoma 0.65mm inofanira kuiswa munzvimbo yayo yejira.
10) Zvikuru zvikamu zvichave nekumisa posts kana kumisikidza maburi, senge i / o interface, microphone, bhatiri, musoro wenhamba, mota, nezvimwe.