Nkhani
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Kupopera mbewu mankhwalawa malata ndi sitepe ndi ndondomeko mu PCB proofing process.
Kupopera mbewu mankhwalawa malata ndi sitepe ndi ndondomeko mu PCB proofing process.Bolodi la PCB limamizidwa mu dziwe losungunuka la solder, kotero kuti malo onse amkuwa owonekera adzaphimbidwa ndi solder, ndiyeno solder yowonjezera pa bolodi imachotsedwa ndi chodulira mpweya wotentha.chotsani.Mphamvu ya soldering ndi kudalirika ...Werengani zambiri -
Mtengo wa PCB CNC
CNC imatchedwanso kompyuta routing, CNCCH kapena NC makina chida kwenikweni HongKong pali mawu, ndiye anayambitsa China, mtsinje ngale mtsinje ndi CNC mphero makina, ndi m'dera lina amatchedwa "CNC Machining Center" mtundu wa makina. processing, ndi njira yatsopano ...Werengani zambiri -
Zinthu zofunika kuziganizira pakupanga PCB
1. Cholinga cha mapangidwe a PCB chikhale chomveka bwino.Kwa mizere yofunikira, kutalika kwa mawaya ndi kukonza malupu apansi kuyenera kukhala okhwima kwambiri.Kwa mizere yotsika kwambiri komanso yosafunikira, imatha kuyikidwa pamawaya ocheperako pang'ono..Zigawo zofunika zikuphatikizapo: kugawanika kwa magetsi;...Werengani zambiri -
Pulogalamu ya PCB
Mphepete mwa njira ya PCB ndi m'mphepete mwa bolodi lalitali lopanda kanthu lomwe limayikidwa kuti lipititse njanji ndikuyika ma Mark point panthawi ya SMT.M'lifupi ndondomeko m'mphepete zambiri za 5-8mm.Mu mapangidwe a PCB, chifukwa cha zifukwa zina, mtunda wapakati pamphepete mwa compo ...Werengani zambiri -
Global and China Automotive PCB (Printed Circuit Boards) Kuwunika Kwamsika
Kafukufuku wamagalimoto a PCB: nzeru zamagalimoto ndi magetsi zimabweretsa kufunikira kwa ma PCB, ndipo opanga am'deralo amabwera patsogolo.Mliri wa COVID-19 mu 2020 udachepetsa kugulitsa magalimoto padziko lonse lapansi ndikupangitsa kuti msika uchuluke mpaka $6,261 miliyoni.Komabe, mliri wapang'onopang'ono udapitilira ...Werengani zambiri -
Kukhudzika
Kuwonetsedwa kumatanthauza kuti pansi pa kuwala kwa ultraviolet kuwala, photoinitiator imatenga mphamvu ya kuwala ndikuwola kukhala ma radicals aulere, ndipo ma radicals aulere ndiye kuyambitsa photopolymerization monomer kuti achite polymerization ndi crosslinking reaction.Kuwonekera nthawi zambiri kumakhala ...Werengani zambiri -
Kodi pali ubale wotani pakati pa mawaya a PCB, kudzera mu dzenje ndi mphamvu yonyamula pano?
Kulumikizana kwamagetsi pakati pa zigawo za PCBA kumatheka kudzera mu waya wamkuwa wa zojambulazo ndi mabowo pagawo lililonse.Kulumikizana kwamagetsi pakati pa zigawo za PCBA kumatheka kudzera mu waya wamkuwa wa zojambulazo ndi mabowo pagawo lililonse.Chifukwa cha zinthu zosiyanasiyana...Werengani zambiri -
Ntchito yoyambitsa gawo lililonse la bolodi yozungulira ya PCB yamitundu ingapo
Ma multilayer circuit board ali ndi mitundu yambiri yogwirira ntchito, monga: chitetezo, silika screen layer, sign layer, internal layer, etc. Kodi mumadziwa bwanji za zigawozi?Ntchito za gawo lililonse ndizosiyana, tiyeni tiwone zomwe ntchito za mulingo uliwonse ...Werengani zambiri -
Chiyambi ndi ubwino ndi kuipa kwa ceramic PCB board
1. N'chifukwa chiyani ntchito ceramic matabwa dera Wamba PCB zambiri zopangidwa mkuwa zojambulazo ndi gawo lapansi kugwirizana, ndi gawo lapansi zinthu zambiri galasi CHIKWANGWANI (FR-4), phenolic utomoni (FR-3) ndi zipangizo zina, zomatira nthawi zambiri phenolic, epoxy. , etc. Pakukonza PCB chifukwa cha kupsinjika kwa kutentha...Werengani zambiri -
Kuwotchera kwa infrared + hot air reflow soldering
M'katikati mwa zaka za m'ma 1990, panali chizolowezi chosinthira ku kutentha kwa infrared + kutentha kwa mpweya mu reflow soldering ku Japan.Imatenthedwa ndi 30% cheza cha infrared ndi 70% mpweya wotentha ngati chotengera kutentha.Uvuni wa infuraredi wotentha wa reflow umaphatikiza bwino zabwino za infrared reflow ndi kukakamizidwa kutengera mpweya wotentha ...Werengani zambiri -
Kodi PCBA processing ndi chiyani?
Kukonzekera kwa PCBA ndi chinthu chomalizidwa cha bolodi lopanda kanthu la PCB pambuyo pa chigamba cha SMT, plug-in ya DIP ndi mayeso a PCBA, kuyang'anira khalidwe ndi ndondomeko ya msonkhano, yotchedwa PCBA.Chipani choperekacho chimapereka ntchito yokonza ku fakitale yaukadaulo ya PCBA, kenako ndikudikirira womaliza ...Werengani zambiri -
Etching
PCB board etching process, yomwe imagwiritsa ntchito njira zachikhalidwe zopangira mankhwala kuti iwononge malo osatetezedwa.Kukhala ngati kukumba ngalande, njira yotheka koma yosagwira ntchito.Mu ndondomeko ya etching, imagawidwanso mu ndondomeko yabwino ya filimu ndi ndondomeko yolakwika ya filimu.Njira yabwino yamakanema ...Werengani zambiri
