- 24
- Sep
Kodi masanjidwe a PCB achitike bwanji
PCB kusindikizidwa bolodi dera Kuchuluka kwake kukukulirakulira, mtundu wa kapangidwe ka PCB motsutsana ndi kuthekera kwamphamvu kumakhudza kwambiri, kotero mawonekedwe a PCB ali pamalo ofunikira kwambiri pakupanga. Zofunikira pakapangidwe kazipadera:
1, kufupikitsa kulumikizana pakati pazigawo zapamwamba kwambiri, ndibwino, kuti muchepetse kusokonekera kwamagetsi pakati pawo; Zosokoneza mosavuta siziyenera kukhala pafupi kwambiri; Zowonjezera ndi zotulutsa ziyenera kukhala kutali kwambiri momwe zingathere;
2, ena zigawo zikuluzikulu ndi apamwamba kuthekera kusiyana, ayenera kuonjezera mtunda pakati pawo, kuchepetsa cheza mode wamba. Kapangidwe kazinthu zamagetsi okhala ndi ma voliyumu akulu ayenera kuwunika mwapadera kulingalira kwa masanjidwewo;
3, zotenthetsera ziyenera kukhala kutali ndi zotenthetsera;
4, capacitor iyenera kukhala pafupi ndi pini yamagetsi;
5, kapangidwe ka potentiometer, koyilo chosinthika cha inductor, chosinthira chosinthira, chosinthira china ndi zinthu zina zosinthika ziyenera kuyikidwa mosavuta kusintha malowo malinga ndi zofunikira;
6, ayenera kuyika pambali makina osindikizira omwe ali ndiudindowo.
Zofunikira pakapangidwe kazinthu wamba:
1. Ikani zigawo zikuluzikulu zamagawo aliwonse ogwira ntchito molingana ndi momwe dera limayendera kuti mayendedwe azitsogolera akhale osasintha momwe angathere;
2. Tengani zigawo zikuluzikulu za dera lililonse logwirira ntchito ngati likulu pozungulira pozungulira. Zigawo ziyenera kukhala zogawanika komanso zolongosoka bwino pa PCB kuti ichepetse ndikufupikitsa njira ndi kulumikizana pakati pazigawo;
3. Kwa ma circuits omwe amagwira ntchito pamafupipafupi, kusokonekera pakati pazinthu kumayenera kuganiziridwa. M’madera onse, zigawo zikuluzikulu ziyenera kulinganizidwa mozungulira momwe zingathere kuti athandize kulumikizana;
4. The kunja kwa mzere wa PCB zambiri zosachepera 80mil kuchokera m’mphepete mwa PCB. Maonekedwe abwino kwambiri a bolodi lazoyenda ndi rectangle yokhala ndi 3: 2 kapena 4:30 factor ratio.