Uyazi ukuthi yimiphi imithetho yokusebenza okufanele ilandelwe ekucubunguleni isichibi se-PCBA?

Ikunikeza ulwazi olusha lwe-PCBA!Woza uzobuka!

I-PCBA inqubo yokukhiqiza yebhodi elingenalutho le-PCB nge-SMT kuqala bese i-plug-in ye-dip, ehilela ukugeleza kwenqubo eminingi emihle neyinkimbinkimbi nezinye izingxenye ezibucayi.Uma ukusebenza kungalingani, kuzodala ukonakala kwenqubo noma ukulimala kwengxenye, kuthinte ikhwalithi yomkhiqizo futhi kukhuphule izindleko zokucubungula.Ngakho-ke, ekucutshungulweni kwe-chip ye-PCBA, sidinga ukuthobela imithetho yokusebenza efanele futhi sisebenze ngokuqinile ngokwezidingo.Okulandelayo yisingeniso.

Imithetho yokusebenza ye-PCBA patch processing:

1. Akufanele kube nokudla noma isiphuzo endaweni yokusebenza ye-PCBA.Ukubhema akuvunyelwe.Awekho ama-sundries angahlobene nomsebenzi okufanele abekwe.Ibhentshi lomsebenzi kufanele ligcinwe lihlanzekile futhi licocekile.

2. Ekucutshungulweni kwe-chip ye-PCBA, indawo engaphezulu okumele ifakwe i-welded ayikwazi ukuthathwa ngezandla ezingenalutho noma iminwe, ngoba amafutha afihliwe ngezandla azonciphisa ukushisela futhi aholele kalula ekushiseni amaphutha.

3. Yehlisa izinyathelo zokusebenza ze-PCBA kanye nezingxenye zibe ncane, ukuze ugweme ingozi.Ezindaweni zokuhlangana lapho kufanele kusetshenziswe amagilavu, amagilavu ​​angcolile angabangela ukungcola, ngakho ukushintshwa kwamagilavu ​​njalo kuyadingeka.

4. Ungasebenzisi amafutha okuvikela isikhumba noma okokuhlanza okuqukethe i-silicone resin, engabangela izinkinga e-solderability kanye ne-conformal coating adhesion.Umshini wokuhlanza olungiselelwe ngokukhethekile we-PCBA welding surface uyatholakala.

5. Izingxenye ezizwelayo ze-EOS / ESD kanye ne-PCBA kufanele zihlonzwe ngamamaki e-EOS / ESD afanelekile ukuze kugwenywe ukudideka nezinye izingxenye.Ukwengeza, ukuze kuvinjelwe i-ESD ne-EOS ekufakeni engozini izingxenye ezibucayi, yonke imisebenzi, ukuhlanganisa nokuhlola kufanele kuqedwe ku-workbench engakwazi ukulawula ugesi omile.

6. Hlola ithebula lokusebenza le-EOS / ESD njalo ukuze uqiniseke ukuthi lisebenza kahle (anti-static).Zonke izinhlobo zezingozi zezingxenye ze-EOS / ESD zingabangelwa indlela yokumisa engalungile noma i-oxide engxenyeni yokuxhumana ephansi.Ngakho-ke, ukuvikelwa okukhethekile kufanele kunikezwe ekuhlanganyeleni "kwentambo yesithathu" yokugcina phansi.

7. Akuvunyelwe ukupakisha i-PCBA, okuzodala ukulimala ngokomzimba.Abakaki abakhethekile bayonikezwa ebusweni bokusebenza bomhlangano futhi babekwe ngokuvumelana nohlobo.

Ukuze uqinisekise ikhwalithi yokugcina yemikhiqizo, unciphise ukulimala kwezingxenye futhi unciphise izindleko, kubalulekile ukuthobela le mithetho yokusebenza futhi usebenze ngendlela efanele ekucutshungulweni kwe-PCBA chip.

Umhleli ukhona namuhla.Ingabe ukutholile?

Inkampani Shenzhen KingTop Technology Co., Ltd.

I-imeyili:andy@king-top.com/helen@king-top.com


Isikhathi sokuthumela: Jul-29-2020