Sinokubona ukukhusela kwi-PCBS ezininzi, ngakumbi kwizinto zombane zabathengi ezifana neefowuni eziphathwayo. I-PCB yefowuni igqunywe ngamakhaka.
Izikhuselo ezikhuselayo zifumaneka ikakhulu kwi-PCBS yefowuni ephathwayo, ngakumbi ngenxa yokuba iisetyhula eziphathwayo zineendidi zeesekethe zonxibelelwano ezingenazingcingo, ezifana ne-GPS, BT, WiFi, 2G/3G/4G/5G, kunye nezinye iisekethe ze-analog ezibuthathaka kunye ne-DC-DC etshintsha amandla iisekethe zamandla. ngokuqhelekileyo kufuneka ibekwe yodwa kunye nezikhuselo ezikhuselayo. Ngakolunye uhlangothi, azichaphazeli ezinye iisekethe, kwaye kwelinye icala, zithintela ezinye iisekethe ukuba zizichaphazele.
Lo ngomnye wemisebenzi yokukhusela ngokuchasene nokuphazamiseka kwe-electromagnetic; Omnye umsebenzi wekhaka kukuthintela ukungqubana. I-PCB SMT iya kwahlulwa ibe ziibhodi ezininzi. Ngokuqhelekileyo, iipleyiti ezikufutshane kufuneka zahlulwe ukuthintela ukungqubana okukufutshane ngexesha lovavanyo olulandelayo okanye olunye uhambo.
Izinto eziluhlaza zekhaka zidla ngobhedu olumhlophe, insimbi engenasici, i-tinplate, njl njl. Okwangoku, uninzi lwezikhuselo lusetyenziselwa ubhedu olumhlophe.
Ubhedu olumhlophe lubonakaliswa yimpembelelo encinci yokukhusela, ithambile, ibiza kakhulu kunentsimbi engenasici, kulula ukuyifaka; Isixhobo sokukhusela isinyithi esingenasici silungile, amandla aphezulu, ixabiso eliphakathi; Nangona kunjalo, kunzima ukwenza i-tin (akunakwenzeka ukuba ibe yinkcenkceshe ngaphandle konyango oluphezulu, kwaye iphuculwe emva kokufakwa kwe-nickel, kodwa ayikancedi kwi-patch); Isiphumo sokukhusela i-tinplate sesona sibi kakhulu, kodwa i-tin ilungile kwaye ixabiso liphantsi.
Ikhaka linokwahlulwa libe lisisigxina kwaye linokuqhawulwa.
Isiqwenga esinye seShielding esisigxina sibizwa ngokuba sisiqwenga esinye, ngokuthe ngqo i-SMT encanyathiselwe kwi-PCB, isiNgesi esibizwa ngokuba yiShielding Frame.
Ikhuselo elinokususwa kabini likwabizwa ngokuqhelekileyo ngokuba yintsimbi ephindwe kabini, kwaye ikhuselo elinamacandelo amabini lingavulwa ngokuthe ngqo ngaphandle koncedo lwesixhobo sompu wokushisa. Ixabiso libiza kakhulu kuneqhekeza elinye, i-SMT idityaniswe kwi-PCB, ebizwa ngokuba yi-Shielding Frame, oku ngasentla kubizwa ngokuba yi-Shielding Cover, ngokuthe ngqo kwiSakhelo seShielding, kulula ukuqhaqha, ngokubanzi iSakhelo esilandelayo sibizwa ngokuba yifreyimu yokukhusela, oku ngasentla. I-inshorensi ibizwa ngokuba yi-shielding cover. Isakhelo sinconywa ukuba sisebenzise ubhedu olumhlophe, i-tin ingcono; I-inshorensi inokwenziwa nge-tinplate, ngakumbi ngexabiso eliphantsi. Iziqwenga ezibini zingasetyenziselwa kwinqanaba lokuqala leprojekthi ukuququzelela ukulungiswa, ukulinda ukuzinza kwe-hardware debugging, kwaye emva koko uqwalasele ukusetyenziswa kweqhekeza elilodwa ukunciphisa iindleko.
Ixesha lokuposa: Mar-13-2024
