Ngaba uyazi ukuba yeyiphi imigaqo yokusebenza ekufuneka ilandelwe kwi-PCBA patch processing?

Ikunika PCBA ulwazi olutsha!Yiza ubukele!

I-PCBA yinkqubo yokuvelisa ibhodi engenanto ye-PCB nge-SMT kuqala kwaye emva koko idiphu iplagi, ebandakanya ukuhamba kwenkqubo ecolekileyo nentsonkothileyo kunye namanye amacandelo anovakalelo.Ukuba umsebenzi awulungelelaniswanga, uya kubangela iziphene zenkqubo okanye umonakalo wecandelo, uchaphazele umgangatho wemveliso kunye nokunyusa iindleko zokulungisa.Ngoko ke, kwi-PCBA chip processing, kufuneka sithobele imithetho yokusebenza efanelekileyo kwaye sisebenze ngokungqongqo ngokweemfuno.Oku kulandelayo yintshayelelo.

Imigaqo yokusebenza yePCBA patch processing:

1. Kufuneka kungabikho ukutya okanye isiselo kwindawo yokusebenza ye-PCBA.Ukutshaya akuvumelekanga.Akukho zintlu ezingabalulekanga kumsebenzi kufuneka zibekwe.Indawo yokusebenza kufuneka igcinwe icocekile kwaye icocekile.

2. Kwi-PCBA chip processing, umphezulu onokuthi udityaniswe awukwazi kuthatyathwa ngezandla ezingenanto okanye ngeminwe, kuba igrisi efihliweyo ngezandla iya kunciphisa i-weldability kwaye ikhokelela ngokulula kwiziphene ze-welding.

3. Nciphisa amanyathelo okusebenza kwe-PCBA kunye namacandelo asezantsi, ukuze kuthintelwe ingozi.Kwiindawo zokuhlanganisana apho kufuneka kusetyenziswe iiglavu, iiglavu ezimdaka zinokubangela ungcoliseko, ngoko ke ukutshintshwa kweeglavu rhoqo kuyimfuneko.

4. Ungasebenzisi igrisi yokukhusela ulusu okanye i-detergents ene-silicone resin, enokubangela iingxaki kwi-solderability kunye ne-conformal coating adhesion.Isicoci esilungiselelwe ngokukodwa kwi-PCBA welding surface siyafumaneka.

5. Amacandelo e-EOS / ESD abuthathaka kunye ne-PCBA kufuneka zichongwe ngamanqaku afanelekileyo e-EOS / ESD ukuphepha ukubhideka namanye amacandelo.Ukongezelela, ukwenzela ukuthintela i-ESD kunye ne-EOS ekufakeni amacandelo anobungozi, yonke imisebenzi, indibano kunye nokuvavanya kufuneka igqitywe kwi-workbench enokulawula umbane ongatshintshiyo.

6. Jonga i-EOS / ESD worktable rhoqo ukuqinisekisa ukuba basebenza ngokufanelekileyo (anti-static).Zonke iintlobo zeengozi ze-EOS / ESD components zingabangelwa indlela engafanelekanga yokumisa okanye i-oxide kwindawo yokudibanisa umhlaba.Ngoko ke, ukukhuselwa okukhethekileyo kufuneka kunikezelwe kwi-joint of "wire third" terminaling grounding terminal.

7. Akuvumelekanga ukupakisha i-PCBA, eya kubangela umonakalo emzimbeni.Izibiyeli ezikhethekileyo ziya kubonelelwa ebusweni bokusebenza kwendibano kwaye zibekwe ngokohlobo.

Ukuze kuqinisekiswe umgangatho wokugqibela weemveliso, ukunciphisa umonakalo wamacandelo kunye nokunciphisa iindleko, kuyimfuneko ukuthobela ngokungqongqo le mithetho yokusebenza kunye nokusebenza ngokuchanekileyo kwi-PCBA chip processing.

Umhleli ukhona namhlanje.Ngaba uyifumene?

IShenzhen KingTop Technology Co., Ltd.

imeyile:andy@king-top.com/helen@king-top.com


Ixesha lokuposa: Jul-29-2020