Ukushiselwa kwebhodi le-PCB

Iwelding of PCBiyisixhumanisi esibaluleke kakhulu kwinqubo yokukhiqiza ye-PCB, ukushisela ngeke kuthinte ukubonakala kwebhodi lesifunda kuphela kodwa futhi kuthinte ukusebenza kwebhodi lesifunda.Amaphuzu wokushisela webhodi lesifunda le-PCB ami kanje:

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1. Uma ushisela ibhodi le-PCB, qala uhlole imodeli esetshenzisiwe nokuthi indawo yephinikhodi iyahlangabezana yini nezidingo.Uma ushisela, shisela izikhonkwane ezimbili ngasohlangothini lolunye unyawo ukuze uzibeke, bese ushisela ngamunye ngamunye ukusuka kwesobunxele ukuya kwesokudla.

2. Izingxenye zifakwe futhi zishiselwe ngokulandelana: i-resistor, i-capacitor, i-diode, i-transistor, isifunda esihlanganisiwe, i-tube enamandla amakhulu, ezinye izingxenye zincane kuqala bese zinkulu.

3. Lapho kushiselwa, kufanele kube nethayela elizungeze ilunga le-solder, futhi kufanele lishiselwe ngokuqinile ukuze kuvinjelwe ukushiselwa okubonakalayo.

4. Uma i-soldering tin, i-tin akufanele ibe yimbi kakhulu, lapho i-solder joint is conical, iyona engcono kakhulu.

5. Uma uthatha ukumelana, thola ukumelana okudingekayo, thatha isikelo ukuze usike inombolo edingekayo ye-resistors, bese ubhala ukumelana, ukuze uthole.

6. I-chip nesisekelo kuthambekele, futhi lapho i-welding, kuyadingeka ukulandela ngokuqinile isiqondiso esikhonjiswe igebe ebhodini le-PCB, ukuze igebe le-chip, isisekelo kanye ne-PCB zihambisane.

7. Ngemva kokufaka ukucaciswa okufanayo, faka okunye ukucaciswa, bese uzama ukwenza ukuphakama kwe-resistor kuhambisane.Ngemuva kwe-welding, izikhonkwane ezeqile ezivezwe ebusweni bebhodi lesifunda eliphrintiwe ziyanqunywa.

8. Ezingxenyeni zikagesi ezinezikhonkwane ezinde kakhulu (njengama-capacitor, resistors, njll.), zinqamule ngemva kokushisela.

9. Uma isifunda sixhunyiwe, kungcono ukuhlanza ubuso besifunda nge-ejenti yokuhlanza ukuvimbela ukufakwa kwensimbi okunamathiselwe ebusweni bebhodi lesifunda kusuka ekunciphiseni isifunda.

10. Ngemuva kokushisela, sebenzisa ingilazi yokukhulisa ukuze uhlole amalunga e-solder futhi uhlole ukuthi kukhona ukushisela okubonakalayo kanye nokujikeleza okufushane.