Ndezvipi zvikonzero zvekupfupika kwePCB board uye tini mushure mekushandiswa kwemafungu soldering?

Kusashanda kwakashata kwewave soldering kunokonzeresa batch ye PCB solder majoini kuti ave pfupi-circuited uye tinned. Kupfupika-kutenderera kwePCB solder majoini ane tin zvakare ndiyo yakajairika solder kutadza pakati pevagadziri mune wave soldering. Zvinokonzerwa nezvikonzero zvakawanda. Ngationgororei newe zvikonzero nei PCB bhodhi iri pfupi-yakatenderedzwa uye yakavharwa mushure mekutengesa kwemafungu.

ipcb

1. Mvura yerata haisati yasvika kune yakajairika tembiricha yekushanda, uye pane “tin waya” zambuko pakati pemajoini anotengeswa.

2. Nhungamiro ye substrate haina kunyatsoenderana netini wave. Chinja nzira yerata.

3. Yakashata yedunhu dhizaini: Masekete kana mameta ari pedyo zvakanyanya (panofanira kunge paine chinhambwe chinodarika 0.6mm); kana vakarongwa solder majoini kana ICs, unofanira kufunga kuba solder Mapedhi kana kushandisa pendi chena kuti aparadzanise navo. Ukobvu hwepende chena hunofanira kunge hunopfuura kaviri kuwanda kweiyo solder pad (nzira yegoridhe).

4. Tini yakasvibiswa kana kuti yakanyanyisa kuunganidza okisidhi inounzwa nePUMP kuti iite pfupi pfupi. Choto cherata chinofanira kucheneswa kana kuti solder mubhavhu remarata inofanira kuvandudzwa zvachose.

5. Tini inoenderera inogona kukonzerwa nekusakwana preheating tembiricha kuita kuti chikamu nzira isvike tembiricha. Munguva yekugadzira solder, nekuda kwekupisa kukuru kwechikamu chechikamu, zvinotungamira kune varombo kukweva tini uye kugadzira tin inoenderera; inogona zvakare kuve tembiricha yevira rerata yakadzikira, kana kumhanya kwewelding kunokurumidza .

Kuburikidza nekuongorora kwepamusoro-kwemapoinzi mashanu, zvinofanirwa kuve zvichikwanisika kuwana chikonzero nei bhodhi rePCB rakapfupika-kutenderedzwa uye rakaiswa tini mushure mekutengesa kwemafungu. Kana iyo shanu-yepamusoro ongororo ichiri kutadza kuwana chikonzero, ingangove iyo wave soldering dambudziko. Semuenzaniso, tembiricha yekuratidzira uye tembiricha chaiyo yewave soldering zvakasiyana.