Izinto zokubumba zePCB kwimveliso yombane kunye nendibano

Kwimveliso ye-elektroniki, iibhokisi zokubumba zixhaphake kakhulu kwaye zisebenza njengendawo ezivalekileyo. Ezi zikhusela amacandelo angaphakathi ebhokisi kwizinto ezisingqongileyo kunye nomonakalo womzimba. Ngokwenza imbiza, unokuphucula ukufakwa kwe-electronics ekuthethwa ngayo.

Indlela yokubeka iimbiza yahlukile kwezinye iindlela ezisetyenziswa ekuyileni iindawo ezivaliweyo. Oku kungenxa yokuba iindawo ezivaliweyo zidla ngokuzaliswa ngeekhompawundi eziqina kancinci ukukhusela nokugcina amalungu. Oku kunokubhida ngamanye amaxesha.

Izinto ezisisiseko

Ukubumba ngamanye amaxesha kubhekiselwa kuko njengokuzinzisa. Le yinkqubo apho indibano ye-elektroniki izaliswe ngejeli ekhethekileyo okanye eqinileyo ukuqinisekisa ukuba kukho ukuxhathisa okongeziweyo. Oku kuthetha ukuba amacandelo ahlala engenazo izinto ezitshabalalisayo, ukufuma, iikhompawundi zegesi yamanzi, ukungcangcazela, kunye nokothuka.

Ibhokisi yeembiza idla ngokuba yimeko ephakathi ukuya kwencinci esetyenziselwa ukufaka indibano ye-elektroniki okanye ibhodi yesekethe eprintiweyo. Abanye beza nomngxuma okhethekileyo ophethe indawo ebiyelweyo enkulu ngakumbi eyenzelwe ukunika ukhuseleko olukhethekileyo.

Iinzuzo zokubumba nge-elektroniki

Xa ufaka imbiza ye-elektroniki, wongeza ukhuseleko kumbane, ukuvuza, ukufuma, kunye nokuphazamisa. Oku kubangela ukungasebenzi kakuhle kwe-elektroniki kunye nokuthembeka kwesekethe engcono kunye nokusebenza kwe-elektroniki.

Nini iikhompawundi potting zisetyenziswa, izinto zombane zikhuselwe kwiintshukumo, ukothuka, kunye nezinye iimpembelelo. Kwimeko yokungcangcazela, kunokubakho ukuqhawuka kweengcingo ezikhokelela ekungasebenzini kakuhle kwenkqubo. Ukungcangcazela kwePCBs kukhokelela ekudityanisweni okufanayo. Oku kukhokelela ekukhuliseni uxinzelelo, kwaye ufumanisa ukuba ibhodi yesekethe iyasilela kwangoko. Ukubumba kwenza iibhodi zesekethe eziprintiweyo zingcangcazele kwaye zikwazi ukumelana nomothuko.

Xa i-electronic component okanye icandelo lombane lifakwe embizeni, likhuselwe kumdaka kunye nothuli, oluhlala luhambelana ngokusondeleyo nokunciphisa ukusebenza kunye nesantya. Kwakhona kukhokelela ekuphazamisekeni komqondiso kunye nokugqithisa.

Iikhompawundi zokubumba

Ukuba ubunokukhangela i-intanethi, uya kufumana iimveliso ezininzi zokubumba iikhompawundi onokuthi ucinge ngokuzisebenzisa. Nangona kunjalo, kufuneka uqonde ukuba zonke iikhompawundi zokubumba azenziwanga zilingane. Bonke banesethi yabo yeenzuzo kunye neengxaki.

Uhlobo lwe i-potting compound ukukhetha kufuneka kusekwe kwiprojekthi ophetheyo. Kwiimeko ezininzi, abantu bakhetha i-silicone urethane kunye ne-epoxy.

Ukukhetha iikhompawundi ezifanelekileyo

Kukho izinto ezibalulekileyo ekufuneka ziqwalaselwe xa ukhetha eyona khompawundi ingcono. Ziquka:

Ubunzima: ukuba ufuna i-abrasion kunye nokumelana nemozulu, ke iikhompawundi ezinzima zifanelekile. I-Urethane kunye ne-epoxy yiyona nto ingcono kule meko. Banika iziphumo eziqinileyo nezinzima emva kokunyanga. I-Silicone ihamba ngobunzima kodwa obuguquguqukayo.

I-Viscosity: ezinye izicelo zidinga i-viscosity ephantsi ukuvumela iikhompawundi ukuba zihambe kunye nenqanaba. Iikhompawundi eziqhelekileyo zinalolu hlobo lwe-viscosity.

Umbala: kufuneka uqwalasele umbala ngokunjalo, ngakumbi ukuba ukubonakala kungumba. Kukho zonke iintlobo zemibala kunye neekhompawundi ezicacileyo zezicelo ezicacileyo ezicacileyo.

I-Thermal conductivity: kusoloko kububulumko ukukhetha eyona conductivity iphezulu ukutshabalalisa okanye ukulawula ubushushu obuhlala bufana nezixhobo. I-Silicone yeyona nto ilungileyo kule meko.

Okukwintsusa

Kukho iingqwalasela ezininzi ekufuneka zenziwe xa ukhangela eyona nxalenye ilungileyo yokubumba. Ngombono ochanekileyo engqondweni, kuya kufuneka ukwazi ukufumana eyona ndlela ilungileyo. Eyona ndlela ilula yokufezekisa oku kukusebenza kunye ne-DeepMaterial. Singakukhokela kwinkqubo yokhetho ngelixa sibonelela ngezisombululo zesiko ukuhambelana nemfuno yakho ethile.

Okunye malunga PCB izinto zokubumba kwimveliso ye-elektroniki kunye nendibano, ungahlawula utyelelo kwi-DeepMaterial kwi https://www.epoxyadhesiveglue.com/category/pcb-potting-material/ ngolwazi olungakumbi.