Nkhani
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Mitundu ya PCB pads
1. Square pad Nthawi zambiri amagwiritsidwa ntchito pamene zigawo pa bolodi losindikizidwa ndi zazikulu ndi zochepa, ndipo mzere wosindikizidwa ndi wosavuta. Popanga PCB ndi dzanja, kugwiritsa ntchito pad iyi ndikosavuta kukwaniritsa 2.Round pad Yogwiritsidwa ntchito kwambiri muzitsulo zosindikizidwa za mbali imodzi ndi ziwiri, zigawozo zimakonzedwa nthawi zonse ...Werengani zambiri -
Counterbore
Mabowo a Countersunk amabowoledwa pa bolodi lozungulira ndi singano yobowola mutu wathyathyathya kapena mpeni, koma sangathe kubowola (mwachitsanzo, theka kupyola mabowo). Gawo losinthira pakati pa khoma la dzenje lakumtunda / lalikulu kwambiri la dzenje ndi khoma la dzenje lomwe lili pakatikati pa dzenje laling'ono kwambiri limafanana ...Werengani zambiri -
Kodi gawo la zida zogwiritsira ntchito ndi PCB ndi chiyani?
Pakupanga kwa PCB, palinso njira ina yofunika, ndiyo, yopangira zida. Kusungitsa m'mphepete mwa njira ndikofunikira kwambiri pakukonza chigamba cha SMT. Mzere wothandizira ndi gawo lomwe lawonjezeredwa mbali zonse kapena mbali zinayi za bolodi la PCB, makamaka kuthandiza SMT p...Werengani zambiri -
Chiyambi cha Via-in-Pad:
Kuyamba kwa Via-in-Pad: Ndizodziwika bwino kuti vias (VIA) itha kugawidwa m'mabowo, dzenje lakhungu ndikukwiriridwa kudzera pa dzenje, zomwe zimakhala ndi ntchito zosiyanasiyana. Ndi chitukuko cha mankhwala pakompyuta, vias ndi mbali yofunika kwambiri interlayer interconnection wa kusindikizidwa dera bo ...Werengani zambiri -
Mapangidwe a DFM a PCB kupanga malo
Kutalikirana kwachitetezo chamagetsi kumatengera kuchuluka kwa fakitale yopanga mbale, yomwe nthawi zambiri imakhala 0.15mm. Ndipotu, ikhoza kukhala pafupi kwambiri. Ngati dera silikugwirizana ndi siginecha, bola ngati palibe dera lalifupi komanso laposachedwa ndilokwanira, mphamvu yayikulu imafuna waya wokulirapo ...Werengani zambiri -
Njira zingapo zoyendera za PCBA Board Short Circuit
M'kati mwa SMT chip processing, dera lalifupi ndilofala kwambiri losauka processing chodabwitsa. The yochepa circuited PCBA dera bolodi sangathe ntchito bwinobwino. Zotsatirazi ndi wamba kuyendera njira kwa dera lalifupi la PCBA bolodi. 1. Ndibwino kuti mugwiritse ntchito positi yafupipafupi ...Werengani zambiri -
Manufacturability kapangidwe ka PCB magetsi mtunda chitetezo
Pali malamulo ambiri a PCB. Zotsatirazi ndi chitsanzo cha malo otetezedwa a magetsi. Kukhazikitsidwa kwa malamulo amagetsi ndi bolodi yoyendera dera mu mawaya ayenera kutsatira malamulowo, kuphatikiza mtunda wachitetezo, dera lotseguka, makonda afupipafupi. Kuyika kwa magawo awa kudzakhudza ...Werengani zambiri -
Khumi zolakwika za dongosolo la mapangidwe a bolodi la PCB
Ma board ozungulira a PCB amagwiritsidwa ntchito kwambiri pazinthu zosiyanasiyana zamagetsi m'maiko otukuka masiku ano. Malinga ndi mafakitale osiyanasiyana, mtundu, mawonekedwe, kukula, wosanjikiza, ndi zinthu za matabwa ozungulira PCB ndizosiyana. Chifukwa chake, chidziwitso chomveka bwino chimafunikira pamapangidwe a circui ya PCB ...Werengani zambiri -
Kodi mulingo wa PCB warpage ndi wotani?
M'malo mwake, PCB warping imatanthawuzanso kupindika kwa bolodi lozungulira, lomwe limatanthawuza bolodi loyambira lathyathyathya. Akayikidwa pa desktop, malekezero awiri kapena pakati pa bolodi amawonekera pang'ono m'mwamba. Chodabwitsa ichi chimadziwika kuti PCB warping mumakampani. Fomula yowerengera t...Werengani zambiri -
Kodi zofunika laser kuwotcherera ndondomeko PCBA kamangidwe?
1.Design kwa Manufacturability wa PCBA The manufacturability kamangidwe ka PCBA makamaka amathetsa vuto la assemblability, ndi cholinga ndi kukwaniritsa lalifupi ndondomeko njira, apamwamba soldering chiphaso mlingo, ndi otsika mtengo kupanga. Zomwe zimapangidwa makamaka zimaphatikizapo: ...Werengani zambiri -
Mapangidwe opanga mawonekedwe a PCB ndi ma waya
Pankhani ya masanjidwe a PCB ndi vuto la waya, lero sitilankhula za kusanthula kwa chizindikiro (SI), electromagnetic compatibility analysis (EMC), power integrity analysis (PI). Kungokamba za kusanthula kwa kupanga (DFM), kapangidwe kake kopanda nzeru kapangidwe kamene kamapangitsanso ...Werengani zambiri -
Kusintha kwa SMT
SMT processing ndi mndandanda waukadaulo waukadaulo wopanga pamaziko a PCB. Zili ndi ubwino wokwera kwambiri komanso kuthamanga kwachangu, kotero zakhala zikuvomerezedwa ndi opanga magetsi ambiri. Njira yopangira chip ya SMT imaphatikizanso chophimba cha silika kapena zomatira, kukwera kapena ...Werengani zambiri
