1. Yintoni i-PCB Electroplating?
Ukufakelwa kwe-PCB electroplating kubhekisa kwinkqubo yokufaka umaleko wesinyithi phezu komphezulu we-PCB ukuze kufezekiswe uqhagamshelo lombane, ukuhanjiswa kwesignali, ukusasazwa kobushushu, kunye neminye imisebenzi. Ukufakelwa kwe-DC electroplating yendabuko kuneengxaki ezifana nokungalingani kakuhle kwe-coating, ubunzulu obungonelanga be-plating, kunye nemiphumo yomphetho, okwenza kube nzima ukuhlangabezana neemfuno zokwenziwa kwee-PCB eziphambili ezifana neebhodi ze-High-Density Interconnect (HDI) kunye nee-Flexible Printed Circuits (FPC). Izixhobo zamandla ezitshintsha rhoqo ziguqula amandla e-AC aphambili abe yi-AC ephindaphindayo, ethi emva koko ilungiswe kwaye ihluzwe ukuze kuveliswe i-DC ezinzileyo okanye i-pulsed current. Iifrikhwensi zazo zokusebenza zinokufikelela kumashumi okanye kwamakhulu e-kilohertz, zidlula kakhulu ifrikhwensi yamandla (50/60Hz) yezixhobo zamandla ze-DC zemveli. Olu phawu lwefrikhwensi ephezulu luzisa iingenelo ezininzi kwi-PCB electroplating.
2.Iingenelo zeZibonelelo zoMbane eziQhutywa rhoqo kwi-PCB Electroplating
Ukuphuculwa Kokugquma Okufanayo: "Isiphumo solusu" see-currents eziphezulu sibangela ukuba umbane ugxile kumphezulu womqhubi, nto leyo ephucula ngokufanelekileyo ukugquma okufanayo kunye nokunciphisa imiphumo yomphetho. Oku kuluncedo ngakumbi ekugqumeni izakhiwo ezintsonkothileyo ezifana nemigca emincinci kunye nemingxunya emincinci.
Ukuphucula Amandla Okufaka Iiplati Ezinzulu: Imisinga ejikelezayo ephezulu ingangena ngcono eludongeni lwemingxunya, inyusa ubukhulu kunye nokufana kweeplati ezingaphakathi kwemingxunya, nto leyo ehlangabezana neemfuno zeplati zee-vias ezinomlinganiselo ophezulu.
Ukwanda Kokusebenza Kokuplata Nge-Electroplating: Iimpawu zokuphendula ngokukhawuleza kwezixhobo zamandla ezitshintsha rhoqo zenza ulawulo lwangoku oluchanekileyo ngakumbi, kunciphisa ixesha lokuplata kwaye kwandise ukusebenza kakuhle kwemveliso.
Ukusetyenziswa kwamandla okuncitshisiweyo: Izixhobo zamandla zokutshintsha amandla ezisebenzisa amaxesha amaninzi zisebenza kakuhle ekuguquleni nasekusebenziseni amandla aphantsi, nto leyo ehambelana nomkhwa wokuvelisa izinto eziluhlaza.
Amandla okuGqibela iiPulse: Izixhobo zamandla ezitshintsha rhoqo zinokukhupha ngokulula i-pulsed current, zivumele i-pulse electroplating. I-pulse plating iphucula umgangatho wokugquma, inyusa uxinano lokugquma, inciphisa ukuvuleka, kwaye inciphisa ukusetyenziswa kwezongezo.
3. Imizekelo yezicelo zobonelelo lwamandla oluQhutywa rhoqo kwi-PCB Electroplating
A. I-Copper Plating: I-Copper electroplating isetyenziswa kwimveliso ye-PCB ukwenza umaleko oqhubayo wesekethe. Ii-rectifiers zokutshintsha i-frequency ephezulu zibonelela ngoxinano oluchanekileyo lwangoku, ziqinisekisa ukufakwa komaleko wobhedu ofanayo kwaye ziphucula umgangatho kunye nokusebenza komaleko ogqunyiweyo.
B. Unyango Lomphezulu: Unyango lomphezulu wee-PCB, ezifana negolide okanye isilivere, nazo zifuna amandla e-DC azinzileyo. Izilungisi zokutshintsha ii-frequency eziphezulu zinokubonelela ngombane kunye ne-voltage echanekileyo kwiintsimbi ezahlukeneyo ze-plating, ukuqinisekisa ukuba i-coating ithambile kwaye ixhathisa ukugqwala.
C. I-Chemical Plating: i-chemical plating yenziwa ngaphandle kombane, kodwa inkqubo ineemfuno ezingqongqo zobushushu kunye noxinano lwamandla. Ii-rectifiers zokutshintsha i-frequency ephezulu zinokubonelela ngamandla ancedisayo kule nkqubo, zinceda ukulawula amazinga e-plating.
4. Indlela yokuchonga iinkcukacha zoMbane we-PCB Electroplating
Iinkcukacha zombane we-DC ezifunekayo kwi-PCB electroplating zixhomekeke kwizinto ezahlukeneyo, kubandakanya uhlobo lwenkqubo ye-electroplating, ubungakanani be-PCB, indawo ye-plating, iimfuno zoxinano lwangoku, kunye nokusebenza kakuhle kwemveliso. Apha ngezantsi kukho ezinye iiparameter eziphambili kunye neenkcukacha zombane eziqhelekileyo:
A. Iinkcukacha zangoku
●Uxinano lwangoku: Uxinano lwangoku lwe-PCB electroplating ludla ngokuba phakathi kwe-1-10 A/dm² (i-ampere nge-decimeter yesikwere), kuxhomekeke kwinkqubo ye-electroplating (umz., i-copper plating, i-gold plating, i-nickel plating) kunye neemfuno zokugquma.
●Imfuneko yangoku iyonke: Imfuneko yangoku iyonke ibalwa ngokusekelwe kwindawo ye-PCB kunye noxinano lwangoku. Umzekelo:
⬛Ukuba indawo ye-PCB plating yi-10 dm² kwaye uxinano lwangoku yi-2 A/dm², imfuneko yangoku iyonke iya kuba yi-20 A.
⬛Kwii-PCB ezinkulu okanye kwimveliso enkulu, kungafuneka amakhulu aliqela ee-ampere okanye iziphumo zamandla aphezulu nangakumbi.
IiRanges zangoku eziqhelekileyo:
●IiPCB ezincinci okanye ukusetyenziswa kwelebhu: 10-50 A
●Imveliso yePCB ephakathi: 50-200 A
●IiPCB ezinkulu okanye imveliso enkulu: 200-1000 A okanye ngaphezulu
Iinkcukacha ze-B.Voltage
⬛Ukufakelwa kwe-PCB electroplating ngokubanzi kufuna ii-voltage eziphantsi, ngesiqhelo ezikuluhlu lwe-5-24 V.
⬛Iimfuneko zeVoltage zixhomekeke kwizinto ezifana nokumelana kwe-plating bath, umgama phakathi kwee-electrodes, kunye nokuqhuba kwe-electrolyte.
⬛Kwiinkqubo ezikhethekileyo (umz., i-pulse plating), kufuneka uluhlu oluphezulu lwe-voltage (ezifana ne-30-50 V).
Uluhlu lweeVoltage eziqhelekileyo:
●Ukufakelwa kwe-electroplating eqhelekileyo ye-DC: 6-12 V
●Ukufakwa kwe-pulse plating okanye iinkqubo ezikhethekileyo: 12-24 V okanye ngaphezulu
Iintlobo zoNikezelo lwaMandla
●Ubonelelo ngoMbane lweDC: Isetyenziselwa i-DC electroplating yendabuko, inika amandla ombane azinzileyo kunye ne-voltage.
●Umbane wePulse: Usetyenziselwa i-pulse electroplating, ekwaziyo ukuvelisa i-high-frequency pulsed currents ukuphucula umgangatho we-plating.
●Umbane oGuqulela ngokuQhelekileyo: Ukusebenza kakuhle kunye nokuphendula ngokukhawuleza, kufanelekile kwiimfuno ze-electroplating ezichanekileyo.
C. Amandla oNikezelo lwaMandla
Amandla ombane (P) amiselwa yi-current (I) kunye ne-voltage (V), ngefomula: P = I × V.
Umzekelo, umbane okhupha i-100 A kwi-12 V unokuba namandla e-1200 W (1.2 kW).
Uluhlu lwaMandla aQhelekileyo:
●Izixhobo ezincinci: 500 W - 2 kW
●Izixhobo eziphakathi: 2 kW - 10 kW
●Izixhobo ezinkulu: 10 kW - 50 kW nangaphezulu
Ixesha leposi: Februwari-13-2025
