PCBA kuwotcherera processing zambiri zofunika PCB bolodi, amene ayenera kukwaniritsa zofunika kuwotcherera. Nanga ndi chifukwa chiyani kuwotcherera kumafunikira zofunikira zambiri pama board ozungulira? Mfundo zatsimikizira kuti padzakhala njira zambiri zapadera mu ndondomeko PCBA kuwotcherera, ndi ntchito njira zapadera adzabweretsa zofunika kwa PCB.

Ngati PCB bolodi ali ndi mavuto, izo kuonjezera vuto la PCBA kuwotcherera ndondomeko, ndipo pamapeto pake kungachititse kuti kuwotcherera zilema, matabwa osayenera, etc. Choncho, pofuna kuonetsetsa yosalala akamaliza wapadera ndi atsogolere PCBA kuwotcherera processing, PCB bolodi. akuyenera kukwaniritsa zofunikira pakupanga malinga ndi kukula ndi mtunda wa pad.

Kenako, ine atchule zofunika PCBA kuwotcherera processing pa bolodi PCB.
Zofunika PCBA kuwotcherera processing pa PCB bolodi
1. Kukula kwa PCB
M’lifupi PCB (kuphatikiza m’mphepete mwa bolodi dera) ayenera kukhala wamkulu kuposa 50mm ndi zosakwana 460mm, ndi kutalika kwa PCB (kuphatikizapo m’mphepete gulu dera) ayenera kukhala wamkulu kuposa 50mm. Ngati kukula kwake kuli kochepa kwambiri, kumafunika kupangidwa kukhala mapanelo.
2. PCB m’mphepete m’lifupi
M’mphepete mwa mbale m’lifupi > 5mm, katayanidwe ka mbale <8mm, mtunda pakati pa mbale zoyambira ndi m’mphepete mwa mbale> 5mm.
3. PCB kupinda
Kupindikira m’mwamba: <1.2mm, kupinda pansi: <0.5mm, PCB deformation: kutalika kwakukulu kwa deformation ÷ diagonal kutalika <0.25.
4. PCB chizindikiro mfundo
Lembani mawonekedwe: bwalo lokhazikika, lalikulu ndi makona atatu;
Kukula kwa Mark: 0.8 ~ 1.5mm;
Zida zolembera: plating golide, malata, mkuwa ndi platinamu;
Zofunikira za Mark: pamwamba ndi lathyathyathya, losalala, lopanda makutidwe ndi okosijeni ndi dothi;
Zofunikira kuzungulira chizindikiro: sipadzakhala zopinga monga mafuta obiriwira omwe mwachiwonekere amasiyana ndi mtundu wa chizindikiro mkati mwa 1mm kuzungulira;
Lembani malo: kupitirira 3mm kuchokera m’mphepete mwa mbale, ndipo sipadzakhala podutsa dzenje, malo oyesera ndi zizindikiro zina mkati mwa 5mm.
5. PCB pad
Palibenso mabowo pamapadi azinthu za SMD. Ngati pali bowo, phala la solder lidzayenda mu dzenje, zomwe zimabweretsa kuchepa kwa malata mu chipangizocho, kapena malata amapita mbali ina, zomwe zimapangitsa kuti pakhale kusiyana kwa bolodi ndikulephera kusindikiza phala.

Mu PCB kapangidwe ndi kupanga, m’pofunika kumvetsa ena PCB kuwotcherera ndondomeko chidziwitso kuti mankhwala oyenera kupanga. Choyamba, kumvetsetsa zofunikira za malo opangira zinthu kungapangitse kuti ntchito yopangira zinthu ikhale yosalala komanso kupewa zovuta zosafunikira.
Pamwambapa ndi chiyambi cha zofunika PCBA kuwotcherera processing pa matabwa PCB. Ndikukhulupirira kungakuthandizeni ndipo ndikufuna kudziwa zambiri za PCBA kuwotcherera processing zambiri.