1. PCB Electroplating yog dab tsi?
PCB electroplating yog hais txog cov txheej txheem ntawm kev tso ib txheej hlau rau ntawm qhov chaw ntawm PCB kom ua tiav kev sib txuas hluav taws xob, kev xa xov tooj, kev tso cua sov, thiab lwm yam haujlwm. Kev siv DC electroplating ib txwm muaj teeb meem xws li kev sib npaug tsis zoo, qhov tob plating tsis txaus, thiab cov teebmeem ntawm ntug, ua rau nws nyuaj rau ua kom tau raws li qhov xav tau ntawm cov PCBs siab heev xws li High-Density Interconnect (HDI) boards thiab Flexible Printed Circuits (FPC). Cov khoom siv hluav taws xob hloov pauv zaus siab hloov cov hluav taws xob AC tseem ceeb mus rau AC zaus siab, uas tom qab ntawd raug kho thiab lim kom tsim cov DC lossis pulsed tam sim no ruaj khov. Lawv cov zaus ua haujlwm tuaj yeem ncav cuag kaum lossis txawm tias pua pua kilohertz, ntau dua li lub zog zaus (50/60Hz) ntawm cov khoom siv hluav taws xob DC ib txwm muaj. Cov yam ntxwv siab no coj ntau qhov zoo rau PCB electroplating.
2. Cov txiaj ntsig ntawm Cov Khoom Siv Fais Fab Hloov Pauv Siab hauv PCB Electroplating
Kev Txhim Kho Kev Sib Xws ntawm Cov Txheej Txheem: Qhov "kev cuam tshuam ntawm daim tawv nqaij" ntawm cov hluav taws xob siab ua rau cov hluav taws xob sib sau ua ke rau ntawm qhov chaw ntawm tus neeg xyuas hluav taws xob, ua kom zoo dua qhov kev sib xws ntawm cov txheej txheem thiab txo cov teebmeem ntawm ntug. Qhov no yog qhov tshwj xeeb tshaj yog rau kev plating cov qauv nyuaj xws li cov kab zoo thiab cov qhov me me.
Kev Muaj Peev Xwm Txhim Kho Kev Sib Dhos Sib Nraus: Cov hluav taws xob siab tuaj yeem nkag mus rau hauv phab ntsa qhov zoo dua, ua rau tuab thiab sib xws ntawm cov plating hauv cov qhov, uas ua tau raws li qhov yuav tsum tau ua plating rau qhov sib piv siab.
Kev Ua Haujlwm Zoo Dua ntawm Electroplating: Cov yam ntxwv teb sai ntawm cov khoom siv fais fab hloov pauv siab ua rau muaj kev tswj hwm tam sim no kom meej dua, txo lub sijhawm plating thiab ua kom muaj txiaj ntsig zoo dua.
Txo Kev Siv Hluav Taws Xob: Cov khoom siv hluav taws xob hloov pauv zaus siab muaj kev hloov pauv zoo thiab kev siv hluav taws xob tsawg, ua raws li qhov sib txawv ntawm kev tsim khoom ntsuab.
Muaj Peev Xwm Siv Pulse Plating: Cov khoom siv fais fab hloov pauv zaus siab tuaj yeem tso tawm cov hluav taws xob pulsed yooj yim, ua rau pulse electroplating. Pulse plating txhim kho qhov zoo ntawm cov txheej, ua rau cov txheej tuab dua, txo qhov porosity, thiab txo qis kev siv cov khoom ntxiv.
3. Piv txwv ntawm Cov Kev Siv Hluav Taws Xob Hloov Pauv Siab Hauv PCB Electroplating
A. Kev Siv Tooj Liab: Kev siv tooj liab electroplating yog siv rau hauv kev tsim PCB los tsim cov txheej conductive ntawm lub voj voog. Cov rectifiers hloov pauv zaus siab muab cov tam sim no ceev, ua kom ntseeg tau tias cov txheej tooj liab sib npaug thiab txhim kho qhov zoo thiab kev ua tau zoo ntawm cov txheej plated.
B. Kev Kho Qhov Nto: Kev kho qhov chaw ntawm PCBs, xws li kub lossis nyiaj plating, kuj xav tau lub zog DC ruaj khov. Cov rectifiers hloov pauv zaus siab tuaj yeem muab cov tam sim no thiab voltage kom raug rau ntau hom hlau plating, kom ntseeg tau tias du thiab tiv taus corrosion ntawm cov txheej.
C. Kev Siv Tshuaj Lom Zem: kev siv tshuaj lom neeg plating yog ua tiav yam tsis muaj tam sim no, tab sis cov txheej txheem muaj cov kev cai nruj rau qhov kub thiab qhov ceev tam sim no. Cov rectifiers hloov pauv zaus siab tuaj yeem muab lub zog pabcuam rau cov txheej txheem no, pab tswj cov nqi plating.
4. Yuav Ua Li Cas Txheeb Xyuas Cov Lus Qhia Txog Kev Muab Fais Fab PCB Electroplating
Cov lus qhia ntawm DC fais fab mov uas xav tau rau PCB electroplating nyob ntawm ntau yam, suav nrog hom txheej txheem electroplating, PCB loj, thaj chaw plating, qhov ceev tam sim no xav tau, thiab kev ua haujlwm zoo. Hauv qab no yog qee qhov tseem ceeb thiab cov lus qhia txog kev muab fais fab mov:
A. Cov Lus Qhia Tam Sim No
● Qhov Ceev Tam Sim No: Qhov ceev tam sim no rau PCB electroplating feem ntau yog li ntawm 1-10 A/dm² (ampere ib square decimeter), nyob ntawm cov txheej txheem electroplating (piv txwv li, tooj liab plating, kub plating, nickel plating) thiab cov kev xav tau txheej.
●Tag Nrho Qhov Yuav Tsum Tau Tam Sim No: Tag nrho qhov yuav tsum tau tam sim no yog xam raws li thaj tsam ntawm PCB thiab qhov ceev tam sim no. Piv txwv li:
Yog tias thaj chaw PCB plating yog 10 dm² thiab qhov ceev tam sim no yog 2 A / dm², tag nrho qhov xav tau tam sim no yuav yog 20 A.
⬛Rau cov PCBs loj lossis kev tsim khoom ntau, yuav xav tau ntau pua amperes lossis cov zis tam sim no siab dua.
Cov Qis Tam Sim No:
●Cov PCBs me me lossis kev siv hauv chav kuaj: 10-50 A
●Kev tsim cov PCB loj nruab nrab: 50-200 A
●Cov PCBs loj lossis kev tsim khoom ntau: 200-1000 A lossis siab dua
B. Cov Lus Qhia Txog Voltage
⬛PCB electroplating feem ntau xav tau cov hluav taws xob qis dua, feem ntau nyob rau hauv qhov ntau ntawm 5-24 V.
⬛Qhov xav tau ntawm qhov hluav taws xob nyob ntawm cov yam xws li qhov tsis kam ntawm lub dab dej plating, qhov deb ntawm cov electrodes, thiab qhov conductivity ntawm electrolyte.
⬛Rau cov txheej txheem tshwj xeeb (piv txwv li, pulse plating), tej zaum yuav xav tau qhov hluav taws xob siab dua (xws li 30-50 V).
Cov Voltage Ranges Feem Ntau:
●Txheem DC electroplating: 6-12 V
●Pulse plating lossis cov txheej txheem tshwj xeeb: 12-24 V lossis siab dua
Hom Kev Muab Fais Fab
●DC Fais Fab Khoom Siv: Siv rau kev siv hluav taws xob DC ib txwm muaj, muab cov hluav taws xob thiab hluav taws xob ruaj khov.
● Lub Hwj Chim Siv Hluav Taws Xob: Siv rau kev siv hluav taws xob los ntawm lub zog hluav taws xob, uas muaj peev xwm tso tawm cov hluav taws xob ntau zaus los txhim kho qhov zoo ntawm kev siv hluav taws xob.
● Kev Muab Fais Fab Hloov Zaus Siab: Ua haujlwm tau zoo thiab teb sai, tsim nyog rau qhov xav tau electroplating siab.
C. Lub zog muab hluav taws xob
Lub zog fais fab (P) yog txiav txim siab los ntawm tam sim no (I) thiab voltage (V), nrog rau cov mis: P = I × V.
Piv txwv li, lub hwj chim uas tso tawm 100 A ntawm 12 V yuav muaj lub zog ntawm 1200 W (1.2 kW).
Lub zog fais fab sib xws:
●Cov khoom siv me me: 500 W - 2 kW
●Cov khoom siv nruab nrab: 2 kW - 10 kW
●Cov khoom siv loj: 10 kW - 50 kW lossis siab dua
Lub sijhawm tshaj tawm: Lub Ob Hlis-13-2025
