ubuchule soldering engqongqo flex PCB indibano

Kule bhlog, siza kuxoxa ngobuchule obuqhelekileyo bokuthengisa obusetyenziswa kwindibano yePCB eqinileyo kunye nendlela abaphucula ngayo ukuthembeka kunye nokusebenza kwezi zixhobo zombane.

Itekhnoloji ye-Soldering idlala indima ebalulekileyo kwinkqubo yendibano ye-PCB eguquguqukayo. Ezi bhodi ezikhethekileyo zenzelwe ukubonelela ngokudityaniswa kokuqina kunye nokuguquguquka, okwenza kube lula kwiintlobo ezahlukeneyo zezicelo apho kufuneka khona indawo encinci okanye ukudibanisa okuyinkimbinkimbi.

1. Itekhnoloji yokunyuswa komphezulu (SMT) kwimveliso yePCB eguquguqukayo eqinile:

Itekhnoloji ye-Surface Mount (SMT) yenye yezona teknoloji zisetyenziswa ngokubanzi kwindibano yePCB eguquguqukayo. Ubuchwephesha bubandakanya ukubeka izinto zokuxhoma ngaphezulu ebhodini kunye nokusebenzisa i-solder paste ukuzibamba endaweni. I-solder paste iqulethe iincinci ezincinci ze-solder ezinqunyanyiswe kwi-flux ezincedisa kwinkqubo ye-solder.

I-SMT yenza uxinano lwecandelo eliphezulu, ivumela inani elikhulu lamalungu ukuba axhonywe kumacala omabini ePCB. Itekhnoloji ikwabonelela ngokuphucuka kokusebenza kwe-thermal kunye nombane ngenxa yeendlela ezimfutshane zokuqhuba ezidalwe phakathi kwamacandelo. Nangona kunjalo, kufuna ulawulo oluchanekileyo lwenkqubo ye-welding ukukhusela iibhulorho ze-solder okanye ii-solder joints.

2. Itekhnoloji yomngxuma (THT) kwi-hard flex PCB facbrication:

Ngelixa iindawo zokunyuka komphezulu ziqhele ukusetyenziswa kwiiPCB eziguquguqukayo eziqinileyo, izinto eziphuma kumngxuma ziyafuneka kwezinye iimeko. Ngokusebenzisa iteknoloji yomngxuma (THT) ibandakanya ukufaka icandelo elikhokelela kumngxuma kwi-PCB kunye nokuwathengisa kwelinye icala.

I-THT inika amandla omatshini kwi-PCB kwaye inyusa ukuchasana kwayo noxinzelelo lomatshini kunye nokungcangcazela. Ivumela ukufakwa ngokukhuselekileyo kwamacandelo amakhulu, anzima kakhulu anokuthi angayilungeli i-SMT. Nangona kunjalo, i-THT ikhokelela kwiindlela ezinde ze-conductive kwaye inokunciphisa ukuguquguquka kwe-PCB. Ke ngoko, kubalulekile ukwenza ulungelelwaniso phakathi kwe-SMT kunye ne-THT kuyilo lwe-PCB eguquguqukayo.

3. Umgangatho womoya oshushu (HAL) ekwenzeni iPCB eguquguqukayo eqinileyo:

Umgangatho womoya oshushu (HAL) bubuchule bokudambisa obusetyenziselwa ukufaka umaleko wesolder evezwe imikhondo yobhedu kwiiPCB eziguquguqukayo. Ubuchwephesha bubandakanya ukudlulisa i-PCB kwindawo yokuhlambela ye-solder etyhidiweyo kwaye emva koko uyibeke esichengeni somoya oshushu, onceda ukususa i-solder engaphezulu kwaye idale umphezulu osicaba.

I-HAL isoloko isetyenziselwa ukuqinisekisa ukuba i-solderability efanelekileyo yeendlela zobhedu eziveziweyo kunye nokubonelela ngengubo yokukhusela kwi-oxidation. Inika i-solder coverage elungileyo yonke kwaye iphucula ukuthembeka ngokubambisana kwe-solder. Nangona kunjalo, i-HAL isenokungalungeli lonke uyilo lwe-PCB elukhuni, ngakumbi ezo zichanekile okanye zinzima.

4. Ukuwelda okukhethiweyo kwi-PCB eguquguqukayo eqinile ivelisa:

I-soldering ekhethiweyo bubuchule obusetyenziselwa ukuthengisa izinto ezithile ezikhethiweyo kwii-PCB eziguquguqukayo. Obu buchule bubandakanya ukusebenzisa i-soldering wave okanye i-soldering iron ukuze ifake ngokuchanekileyo i-solder kwiindawo ezithile okanye amacandelo kwi-PCB.

I-soldering ekhethiweyo iluncedo ngokukodwa xa kukho amacandelo athintela ukushisa, izihlanganisi, okanye iindawo ezixineneyo ezingenakukwazi ukumelana nobushushu obuphezulu bokubuyiswa kwe-reflow soldering. Ivumela ulawulo olungcono lwenkqubo ye-welding kwaye inciphisa umngcipheko wokonakalisa amacandelo abuthathaka. Nangona kunjalo, i-solder ekhethiweyo ifuna ukuseta okongeziweyo kunye nenkqubo xa kuthelekiswa nobunye ubuchule.

Ukushwankathela, itekhnoloji ye-welding esetyenziswa ngokuqhelekileyo kwi-rigid-flex board assembly ibandakanya iteknoloji ye-surface Mount (SMT), iteknoloji ye-hole-hole (THT), i-hot air leveling (HAL) kunye ne-welding ekhethiweyo.Itekhnoloji nganye ineengenelo zayo kunye neengqwalasela, kwaye ukhetho luxhomekeke kwiimfuno ezithile zoyilo lwePCB. Ngokuqonda obu buchwepheshe kunye neziphumo zabo, abavelisi banokuqinisekisa ukuthembeka kunye nokusebenza kwee-PCB eziguquguqukayo kwiinkqubo ezahlukeneyo.