Musamman PCB Assembly da PCBA

Bayani

Game da Tsarin Hukumar PCB ɗin mu

Lokacin da muka zayyana allon PCB, muna kuma da tsarin dokoki: na farko, shirya manyan wurare masu mahimmanci bisa ga tsarin sigina, sannan ku bi “zazzagewar farko da wahala sannan kuma mai sauƙi, ƙarar ɓangaren daga babba zuwa ƙarami, sigina mai ƙarfi kuma raunin sigina mai rauni, babba da ƙasa.Sigina daban, keɓantattun siginar analog da dijital, yi ƙoƙarin sanya wayoyi gajere gwargwadon yuwuwa, kuma sanya shimfidar wuri mai ma'ana kamar yadda zai yiwu.dole ne a biya kulawa ta musamman don raba "ƙasa na sigina" da "ƙasa mai ƙarfi";wannan shi ne yafi don hana ƙasan wutar lantarki Layin wani lokacin yana da babban igiyar ruwa yana wucewa ta cikinsa.Idan an shigar da wannan halin yanzu a cikin tashar siginar, za a nuna shi zuwa tashar fitarwa ta hanyar guntu, don haka yana shafar aikin ka'idojin wutar lantarki na wutar lantarki mai sauyawa.
Sa'an nan kuma, matsayi na tsari da jagorancin wayoyi na abubuwan da aka gyara ya kamata su kasance daidai kamar yadda zai yiwu tare da na'ura na zane-zane, wanda zai fi dacewa don kulawa da dubawa daga baya.
Wayar ƙasa yakamata ta kasance gajere da faɗi sosai kamar yadda zai yiwu, kuma wayar da aka buga da ke wucewa ta cikin madaidaicin halin yanzu yakamata a faɗaɗa gwargwadon yiwuwar.Gabaɗaya, muna da ka'ida lokacin yin wayoyi, wayar ƙasa ita ce mafi faɗi, wayar wutar lantarki ita ce ta biyu, kuma siginar siginar ita ce mafi kunkuntar.
Rage madaidaicin ra'ayi, shigarwa da kuma fitarwa wurin gyara madauki tace gwargwadon yiwuwa, wannan dalili shine don rage tsangwama amo na samar da wutar lantarki.

Magani Tasha Daya

Ya kamata a kiyaye na'urori masu haɓakawa irin su na'urorin zafi da nisa kamar yadda zai yiwu daga tushen zafi ko na'urorin da'ira waɗanda ke haifar da tsangwama.
Tazarar juna tsakanin kwakwalwan kwamfuta guda biyu na cikin layi ya kamata ya fi 2mm, kuma tazarar dake tsakanin guntu resistor da capacitor guntu ya kamata ya fi 0.7mm.
Ya kamata a sanya capacitor fil ɗin shigarwa a kusa da layin da ake buƙatar tacewa.
A cikin ƙirar hukumar PCB, matsalolin gama gari sune ƙa'idodin aminci, EMC da tsangwama.Don magance waɗannan matsalolin, ya kamata mu kula da abubuwa guda uku lokacin zayyana: nisan sararin samaniya, nisan creepage da nisan shigar da rufin.Tasiri
Misali: Nisan Creepage: lokacin da ƙarfin shigarwar ya kasance 50V-250V, LN da ke gaban fiusi shine ≥2.5mm, lokacin da ƙarfin shigarwar ya kasance 250V-500V, LN a gaban fiusi shine ≥5.0mm;izinin lantarki: lokacin da ƙarfin shigarwar shine 50V-250V, L-N ≥ 1.7mm a gaban fuse, lokacin da ƙarfin shigarwar shine 250V-500V, L-N ≥ 3.0mm a gaban fuse;ba a buƙatar buƙatu bayan fis ɗin, amma ƙoƙarin kiyaye wani tazara don gujewa lalacewar gajeriyar kewayawa ga wutar lantarki;Babban gefen AC zuwa DC part ≥ 2.0 mm;na farko gefen DC ƙasa zuwa ƙasa ≥4.0mm, kamar na farko gefe zuwa ƙasa;gefen farko zuwa na biyu ≥6.4mm, kamar optocoupler, Y capacitor da sauran sassa sassa, fil tazarar kasa ko daidai da 6.4mm da za a slotted;mai canzawa mataki biyu ≥6.4mm ko fiye, ≥8mm don ƙarfafa rufi.

Nunin Masana'antu

FAQ

Q1: Ta yaya kuke tabbatar da ingancin PCBs?
A1: PCBs ɗin mu duka gwajin 100% ne gami da gwajin gwajin Flying, E-test ko AOI.

Q2: Menene lokacin jagora?
A2: Samfurin yana buƙatar kwanakin aiki na 2-4, yawan samarwa yana buƙatar kwanakin aiki 7-10.Ya dogara da fayiloli da yawa.

Q3: Zan iya samun mafi kyawun farashi?
A3: iya.Don taimaka wa abokan ciniki sarrafa farashi shine abin da koyaushe muke ƙoƙarin yi.Injiniyoyin mu za su samar da mafi kyawun ƙira don adana kayan PCB.