Unoziva here kuti ndeipi mitemo yekushanda inofanirwa kuteverwa muPCBA chigamba kugadzirisa?

Kukupa PCBA ruzivo rutsva!Huya utarise!

PCBA ndiyo nzira yekugadzira yePCB isina chinhu bhodhi kuburikidza neSMT kutanga uyezve dip plug-in, iyo inosanganisira akawanda akanaka uye akaomarara maitiro ekuyerera uye zvimwe zvinonzwisa tsitsi.Kana iko kuvhiyiwa kwacho kusiri kwakamisikidzwa, kunokonzeresa kukanganisa kwemaitiro kana kukuvara kwechikamu, kukanganisa kunaka kwechigadzirwa uye kuwedzera mutengo wekugadzirisa.Naizvozvo, muPCBA chip processing, tinofanirwa kutevedzera mitemo inoshanda uye tishande zvakaringana zvinoenderana nezvinodiwa.Inotevera nhanganyaya.

Mitemo yekushandisa yePCBA chigamba kugadzirisa:

1. Panofanira kunge pasina chikafu kana chinwiwa munzvimbo yekushanda yePCBA.Kusvuta kunorambidzwa.Hapana zvimwe zvisinei nebasa zvinofanira kuiswa.Bhenji rekushanda rinofanira kuchengetwa rakachena uye rakatsvinda.

2. MuPCBA chip processing, nzvimbo inosungirirwa haigoni kutorwa nemaoko asina maoko kana zvigunwe, nokuti girisi yakavanzwa nemaoko inoderedza weldability uye nyore nyore kutungamirira kune urema hwekushongedza.

3. Deredza matanho ekushanda kwePCBA uye zvikamu kusvika zvishoma, kuitira kudzivirira njodzi.Munzvimbo dzemagungano panofanira kushandiswa magirovhosi, magirovhosi akasvibiswa anogona kukonzera kusvibiswa, saka kugara uchitsiva magirovhosi kunodiwa.

4. Usashandise ganda rinodzivirira girisi kana detergents ine silicone resin, izvo zvinogona kukonzera matambudziko mu solderability uye conformal coating adhesion.Iyo yakanyatsogadzirirwa detergent yePCBA welding surface inowanikwa.

5. EOS / ESD inonzwisisika zvikamu uye PCBA inofanirwa kuzivikanwa neakakodzera EOS / ESD mamaki kudzivirira kuvhiringidzika nezvimwe zvikamu.Mukuwedzera, kuitira kudzivirira ESD neEOS kubva pakuisa mungozi zvikamu zvakakomba, kushanda kwose, kusangana uye kuedza kunofanira kupedzwa pabhenji rekushanda rinogona kudzora magetsi.

6. Tarisa EOS / ESD worktable nguva dzose kuti uone kuti vari kushanda zvakanaka (anti-static).Mhando dzese dzenjodzi dzeEOS / ESD zvikamu zvinogona kukonzerwa nenzira isiriyo yekumisa pasi kana oxide muchikamu chekubatanidza.Nokudaro, kuchengetedzwa kwakakosha kunofanira kupiwa kumubatanidzwa we "third wire" grounding terminal.

7. Zvinorambidzwa kuisa PCBA, izvo zvinozokonzera kukuvara kwemuviri.Special brackets ichagoverwa pamusangano wekushanda chiso uye kuiswa maererano nemhando.

Kuti uve nechokwadi chemhando yekupedzisira yezvigadzirwa, kuderedza kukuvadzwa kwezvikamu uye kuderedza mutengo, zvinodikanwa kunyatso kutevedzera iyi mitemo yekushanda uye kushanda nemazvo muPCBA chip processing.

Mupepeti aripano nhasi.Wazviwana here?

Shenzhen KingTop Technology Co., Ltd.

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


Nguva yekutumira: Jul-29-2020