Zvinhu zvehurombo tin paPCB uye chirongwa chekudzivirira

Iyo yedunhu bhodhi inoratidza yakashata tinning panguva yekugadzirwa kweSMT. Kazhinji, tinning yakaipa ine chekuita nekuchena kweiyo isina chinhu PCB pamusoro. Kana pasina tsvina, pachange pasina kuipa kwakaipa. Chechipiri, tinning Kana iyo flux pachayo yakaipa, tembiricha uye zvichingodaro. Saka ndezvipi zvinonyanya kuratidzwa zveakajairwa emagetsi matin akaremara mukugadzirwa kwebhodhi redunhu uye kugadzirisa? Nzira yekugadzirisa sei dambudziko iri mushure mekutaura?
1. Iyo tin pamusoro pe substrate kana zvikamu zvakasvibiswa uye mhangura yemhangura haina kusimba.
2. Pane maflakes pamusoro pebhodhi redunhu pasina tini, uye plating layer pabhodhi repamusoro rine tsvina.
3. Iyo yakakwirira-inogoneka yakashongedzwa yakashata, kune chiitiko chinopisa, uye pane maflakisi pamusoro pebhodhi pasina tini.
4. Kumusoro kwebhodhi redunhu rinosungirirwa nemafuta, tsvina uye zvimwe zvakasiyana-siyana, kana pane zvakasara zvesilicone mafuta.
5. Kune micheto yakajeka yakajeka pamicheto yemakomba mashoma-anogona, uye iyo yakakwirira-inogoneka yekuputira yakashata uye inopisa.
6. Kupfekedza kune rumwe rutivi kwakakwana, uye kupfekedza kune rumwe rutivi kwakashata, uye kune pachena kunopenya kwakajeka pamucheto wegomba rakaderera rinogona kuitika.
7. Bhodhi rePCB harina kuvimbiswa kusangana nekupisa kana nguva panguva yekugadzira soldering, kana kuti flux haina kushandiswa zvakanaka.
8. Pane kusvibiswa kwakasvibiswa mukuputira pamusoro pebhodhi redunhu, kana kukuya zvimedu zvakasara pamusoro pedunhu panguva yekugadzirwa kwe substrate.
9. Nzvimbo yakakura yekukwanisa kuderera haigoni kuputirwa netini, uye pamusoro pebhodhi redunhu rine rima rakasvibirira dzvuku kana ruvara rutsvuku, rine runyoro rwakakwana kune rumwe rutivi uye rusina kunaka kune rumwe rutivi.