Ndi mbali ziti zomwe ziyenera kutsatiridwa poyeretsa pcba?

. zimakhudza moyo wa mankhwala.Chotsaliracho ndi chodetsedwa, sichimakwaniritsa zofunikira za ukhondo wa mankhwala, kotero pcba iyenera kutsukidwa isanatumizidwe.Zotsatirazi kukutengerani inu kumvetsa ndondomeko yopanga pcba madzi kutsuka malangizo ndi kusamala.

Ndi miniaturization yazinthu zamagetsi, kachulukidwe kazinthu zamagetsi, malo ang'onoang'ono, kuyeretsa kwakhala kovuta kwambiri, pakusankha njira yoyeretsera, malinga ndi mtundu wa solder phala ndi flux, kufunikira kwa chinthucho, zomwe makasitomala amafuna pakuyeretsa. kusankha.

I. PCBA kuyeretsa njira

1. Kuyeretsa madzi oyera: kupopera kapena kuviika kusamba

Kuyeretsa madzi oyeretsera ndiko kugwiritsa ntchito madzi oyeretsedwa, kupopera kapena kuviika kuchapa, kutetezedwa kuti mugwiritse ntchito, kuuma mukatha kuyeretsa, kuyeretsa uku ndikotsika mtengo komanso kotetezeka, koma zofunkha zina sizovuta kuchotsa.

2. Kuyeretsa madzi osayera pang'ono

Semi-madzi kuyeretsa ndi ntchito zosungunulira organic ndi deionized madzi, amene amawonjezera wothandizila yogwira, zoonjezera kupanga chotsukira, zotsukira izi zimakhala zosungunulira organic, otsika kawopsedwe, ntchito otetezeka, koma muzimutsuka ndi madzi, ndiyeno youma. .

3. Akupanga kuyeretsa

The ntchito kopitilira muyeso-mkulu pafupipafupi madzi sing'anga mu kinetic mphamvu, mapangidwe osawerengeka ang'onoang'ono thovu kugunda pamwamba pa chinthu, kuti pamwamba pa dothi, kuti tikwaniritse zotsatira za kuyeretsa dothi, kothandiza kwambiri. , komanso kuchepetsa kusokonezeka kwa electromagnetic.

II.PCBA kuyeretsa zipangizo zamakono

1. PCBA pamwamba kuwotcherera zigawo popanda zofunika zapadera, mankhwala onse angagwiritsidwe ntchito kuyeretsa PCBA bolodi ndi wothandizila wapadera kuyeretsa.

2. Zigawo zina zamagetsi zimaletsedwa kuti zigwirizane ndi wothandizira wapadera woyeretsa, monga: zosinthira makiyi, socket network, buzzer, maselo a batri, mawonetsedwe a LCD, zigawo zapulasitiki, magalasi, ndi zina zotero.

3. The kuyeretsa ndondomeko, sangakhoze ntchito tweezers ndi zitsulo zina mwachindunji kukhudzana PCBA, kuti kuwononga PCBA bolodi pamwamba, zikande.

4. PCBA pambuyo zigawo soldering, flux zotsalira pa nthawi adzabala dzimbiri anachita anachita, ayenera kutsukidwa posachedwapa.

5. PCBA kuyeretsa anamaliza, ayenera kuikidwa mu uvuni wa pafupifupi 40-50 madigiri, pambuyo mphindi 30 kuphika, ndiyeno kuchotsa bolodi PCBA pambuyo kuyanika.

III.PCBA kuyeretsa mosamala

1. PCBA bolodi pamwamba sangakhale yotsalira flux, malata mikanda ndi phala;pamwamba ndi solder mfundo sangakhale yoyera, imvi chodabwitsa.

2. PCBA bolodi pamwamba sangakhale zomata;kuyeretsa ayenera kuvala electrostatic m'manja mphete.

3. PCBA ayenera kuvala chigoba zoteteza pamaso kuyeretsa.

4. wakhala kutsukidwa PCBA bolodi osati kutsukidwa PCBA bolodi anayikidwa payokha ndi chizindikiro.

5. The kutsukidwa PCBA bolodi ndi zoletsedwa kukhudza mwachindunji pamwamba ndi manja.